1 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
4 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
7 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
8 objc/Make-lang.in: Use it.
10 * toplev.c (debug_ignore_block): Return int.
11 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
12 * toplev.h, dwarf2out.h: Adjust.
13 * emit-rtl.c (remove_unnecessary_notes): Test return value.
15 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
16 * toplev.c, final.c, rtl.h: Adjust.
18 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
20 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
21 * configure.in: Look for makeinfo in the unified tree, then
22 for a system makeinfo which is sufficiently new.
23 * Makefile.in: If configure says makeinfo is too old, don't
24 build or install Info documentation.
26 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
28 * cpphash.c (collect_params): Fix off-by-one error.
29 (dump_hash_helper): Dump all four macro nodetypes.
31 2000-05-02 Jakub Jelinek <jakub@redhat.com>
33 * cpphash.c (trad_stringify): Adjust p after stringification as
36 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
38 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
39 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
41 * cppfiles.c (file_cleanup): Delete.
42 * cpphash.c (macro_cleanup): Delete.
43 (collect_objlike_expansion, collect_funlike_expansion,
44 macarg, scan_arguments): Remove CPP_POP case.
46 * cpplex.c (null_cleanup): Delete.
47 (cpp_pop_buffer): Do the work that was done in the cleanups
48 here. Call _cpp_unwind_if_stack from here.
49 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
50 cpp_scan_buffer): Run until we see CPP_EOF and the top of
51 stack is the buffer _below_ the one we stacked.
52 (cpp_get_token): Always pop an exhausted buffer. Return
53 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
54 * cpplib.c (skip_if_group): Don't call cpp_get_token to
55 increment the line number.
56 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
58 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
59 we see CPP_EOF and the top of stack is the buffer _below_ the
61 * scan-decls.c: Likewise.
63 2000-05-02 Andrew Haley <aph@cygnus.com>
65 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
66 where this function is called for the second time on a decl that
67 has had its section info changed in such a way as to move it out
69 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
71 2000-05-01 Richard Henderson <rth@cygnus.com>
73 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
74 the sequence we're moving, not to merge_bb->head.
76 2000-05-01 Richard Henderson <rth@cygnus.com>
78 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
79 reference to alpha/t-linux.
80 (alpha*-*-linux-gnu*): Likewise.
83 * calls.c (expand_call): Don't emit reg notes for a sibcall.
85 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
88 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
90 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
92 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
95 2000-05-01 Richard Henderson <rth@cygnus.com>
97 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
98 emit_conditional_move.
100 2000-05-01 Jakub Jelinek <jakub@redhat.com>
102 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
103 as the dynamic linker.
105 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
107 * cppfiles.c (open_include_file): Open file in blocking mode.
108 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
109 Only exclude block devices and directories.
111 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
112 static. Allocate the hashnode and its string in the same
114 (del_HASHNODE): Don't free h->name.
115 (_cpp_lookup): If there is no entry for this string, create
117 (_cpp_lookup_slot): Delete.
118 * cpphash.h: Update prototypes.
120 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
122 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
123 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
124 node here, just fill in the value field properly. "Delete"
125 entries by setting the value field to T_VOID. Check for
126 hp->type == T_VOID, not hp == NULL.
128 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
129 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
132 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
134 * config/mn10300/mn10300.c (print_operand_address): Do not add
137 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
138 adjusted by less than 256 bytes, use ret regardless of having any
139 callee-saved register to restore.
141 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
143 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
145 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
147 * config/i386/djgpp.h (INT_ASM_OP): Define.
148 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
149 (ASM_WEAKEN_LABEL): Define.
150 (MASK_BNU210): Define.
151 (SUBTARGET_SWITCHES): Define.
152 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
153 (MAKE_DECL_ONE_ONLY): Define.
154 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
156 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
158 * i386/cygwin.h (INT_ASM_OP): Define.
160 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
162 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
163 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
165 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
167 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
168 __tmp_reg__ and __zero_reg__ initialization.
170 2000-04-30 Richard Henderson <rth@cygnus.com>
172 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
174 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
175 referenced bewteen the condition and the jump. Don't delete
176 anything but the jump.
178 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
180 * bb-reorder.c (scope_def): New struct.
181 (scope_forest_info): New struct.
182 (struct reorder_block_def): New member "scope".
183 (REORDER_BLOCK_SCOPE): New macro.
184 (relate_bbs_with_scopes): New function and prototype.
185 (make_new_scope): Likewise.
186 (build_scope_forest): Likewise.
187 (remove_scope_notes): Likewise.
188 (insert_intra_1): Likewise.
189 (insert_intra_bb_scope_notes): Likewise.
190 (insert_inter_bb_scope_notes): Likewise.
191 (rebuild_scope_notes): Likewise.
192 (free_scope_forest_1): Likewise.
193 (free_scope_forest): Likewise.
194 (dump_scope_forest): Likewise.
195 (dump_scope_forest_1): Likewise.
196 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
197 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
199 (reorder_basic_blocks): Added calls to build_scope_scope_forest
200 and remove_scope_notes before reordering is done. Added calls to
201 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
202 after reordering is done.
204 2000-40-30 Bruce Korb <bkorb@gnu.org>
206 * fixinc/inclhack.def: Added definitions needed by OSR5,
207 removed two stale entries (defined away with OLD_CPP).
208 * fixinc/inclhack.sh: regen
209 * fixinc/fixincl.x: regen
211 2000-04-30 Richard Henderson <rth@cygnus.com>
213 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
214 from the last insn in the sequence.
216 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
218 * cpplex.c (cpp_idcmp): New function.
219 * cpplib.h: Prototype it.
220 * scan_decls.c (scan_decls): Use it to inspect token names.
221 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
222 the file being run through the preprocessor.
223 (check_macro_names): Provide length of token to cpp_defined.
225 * Makefile.in: Remove stale warning message.
227 * cppfiles.c (redundant_include_p): Provide length of token to
229 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
230 values are unsigned int.
231 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
232 (_cpp_lookup_slot): Do not calculate the hash, either.
233 * cpphash.h: Update prototypes.
234 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
235 Hashes are unsigned int. Calculate hash here, pass by value
238 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
240 * simplify-rtx.c (check_value_useless): Delete function.
241 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
243 (cselib_invalidate_regno): Likewise.
244 (cselib_invalidate_mem_1): Likewise.
245 (references_value_p): Recognize useless values by the fact that they
247 (discard_useless_values): Likewise.
248 (cselib_record_set): This may turn a useless value
251 2000-04-30 Richard Henderson <rth@cygnus.com>
253 * config/d30v: New port.
255 * configure.in (d30v-*): Set fp format.
256 * configure: Rebuild.
258 2000-04-30 Richard Henderson <rth@cygnus.com>
261 * Makefile.in (OBJS): Add it.
262 (ifcvt.o): New target.
263 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
264 and conditional arithmetic.
265 (find_insert_position): Remove.
266 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
267 * toplev.c (DFI_ce, DFI_ce2): New.
268 (dump_file): Add ce and ce2 dumps.
269 (rest_of_compilation): Run if_convert a couple o times. Set
270 cse_not_expected after cse2. Don't set no_new_pseudos until
271 after sched1 or recompute_reg_usage.
273 2000-04-30 Richard Henderson <rth@cygnus.com>
275 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
276 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
278 2000-04-30 Richard Henderson <rth@cygnus.com>
280 * flow.c (struct reg_cond_life_info): New.
281 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
282 (init_propagate_block_info): Initialize them.
283 (free_propagate_block_info): Destruct them.
284 (mark_set_1): Consider conditional life before killing a register.
285 (mark_regno_cond_dead): New.
286 (free_reg_cond_life_info): New.
287 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
288 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
289 (mark_used_reg): Record conditional life.
291 * haifa-sched.c (schedule_insns): Disable death counting
292 sanity check for HAVE_conditional_execution.
294 2000-04-30 Richard Henderson <rth@cygnus.com>
296 * Makefile.in (TIMEVAR_H): New.
297 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
298 (timevar.h): Remove rule.
300 2000-04-29 Richard Henderson <rth@cygnus.com>
302 * config/alpha/crtend.asm: Use C comments instead of #.
303 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
305 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
307 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
309 * cpphash.h (enum node_type: Take out T_MCONST.
310 (union hashval): Move into struct hashnode.
311 (struct hashnode): Pack tighter. Remove file, line, col
313 * cpphash.c: Constify most of the macro-definition structures.
314 (struct definition): Replace by struct object_defn
315 and struct funct_defn. Put file, line, column information
316 here. All users updated to match.
317 (_cpp_create_definition, _cpp_macroexpand): Remove special
318 case for #define WORD OTHERWORD.
319 * cpplib.c (do_undef): Remove T_MCONST case.
321 * cpphash.h: Move struct reflist, struct definition, and the
322 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
323 union hashval. _cpp_free_definition takes a HASHNODE pointer.
324 * cpphash.c (_cpp_free_definition): Free data pointed to by
325 MCONST, XCONST, MACRO, and FMACRO nodes properly.
326 (_cpp_create_definition, del_HASHNODE): Just call
327 _cpp_free_definition to clear out a hashnode.
328 * cpplib.c (do_pragma_poison): Likewise.
330 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
332 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
333 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
334 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
335 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
336 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
337 REGNO_AM33_P): Redefine in terms of the new macros.
338 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
339 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
340 STRUCT_VALUE): Likewise.
341 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
342 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
344 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
346 * regmove.c (struct record_stack_memrefs_data): New.
347 (record_stack_memrefs): New function.
348 (combine_stack_adjustments_for_block): Use it.
350 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
352 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
353 use special_function_p to detect alloca.
355 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
357 * gcc.texi: Fixes for makeinfo 4.0 --html.
359 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
361 * pcp.h: Delete file.
363 2000-04-28 Kazu Hirata <kazu@hxi.com>
365 * h8300.c (function_epilogue): Clean up flags when the last insn
366 in a function is a barrier.
368 2000-04-28 Chris Demetriou <cgd@sibyte.com>
370 * configure.in (sparc-hal-solaris2*): protect [] glob from
372 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
373 rather than hard-coded constants in target_cpu_default2.
374 * configure: Regenerate.
376 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
378 * tree.c (get_callee_fndecl): Extract the initial value from
381 2000-04-28 Richard Henderson <rth@cygnus.com>
383 * varasm.c (record_constant_1): Record the CODE_LABEL when
384 taking the address of a LABEL_REF.
386 2000-04-28 Richard Henderson <rth@cygnus.com>
387 Jan Hubicka <jh@suse.cz>
389 * calls.c (combine_pending_stack_adjustment_and_call): Return the
390 adjustment; don't do the stack adjust.
391 (expand_call): Call compute_argument_block_size right before
392 allocating the block; update comment; don't do alignment sanity
393 checking for sibling call; use args_size instead of
394 unadjusted_args_size before args_size is adjusted. Use
395 combine_pending_stack_adjustment_and_call to compute stack adjust
396 for must_preallocate case.
398 * expr.c (push_block): Remove shadow `temp' in inner scope.
400 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
402 * toplev.c (rest_of_compilation): Call
403 note_deferral_of_defined_inline_function even if the function
406 2000-04-28 Scott Bambrough <scottb@netwinder.org>
408 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
410 2000-04-28 Richard Henderson <rth@cygnus.com>
412 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
414 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
416 * timevar.c (init_timevar): DeANSIfy function definition.
418 2000-04-27 Alex Samuel <samuel@codesourcery.com>
420 * Makefile.in (timevar.o): Depend on flags.h.
421 * timevar.c (unused_stack_instances): New variable.
422 (timevar_push): Take a timevar_stack_def from
423 unused_stack_instances if available.
424 (timevar_pop): Push the popped timevar_stack_def onto
425 unused_stack_instances.
426 (TIMEVAR_ENABLE): New macro.
427 (timevar_def): Make standalone a 1-bit field. Add field used.
428 (get_time): Rename parameter to now. Return after clearing it if
430 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
431 (timevar_pop): Likewise.
432 (timevar_stop): Likewise.
433 (timevar_push): Likewise. Mark the timing variable as used.
434 (timevar_start): Likewise.
435 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
436 timevars that were never used.
438 2000-04-27 Mark Mitchell <mark@codesourcery.com>
440 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
441 always TREE_READONLY.
443 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
445 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
446 for call instruction with mode QImode.
448 2000-04-27 Alex Samuel <samuel@codesourcery.com>
450 * Makefile.in (OBJS): Add timevar.o.
451 (toplev.o): Depend on timevar.h.
452 (ggc-simple.o): Likewise.
453 (ggc-page.o): Likewise.
454 (timevar.o): New rule.
455 (timevar.h): New rule.
457 * timevar.h: New file.
458 * timevar.c: Likewise.
459 * timevar.def: Likewise.
461 * toplev.h (gc_time, parse_time, varconst_time): Remove.
462 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
464 (TIMEVAR): Remove macro.
465 (gc_time, parse_time, varconst_time, integration_time, jump_time,
466 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
467 flow_time, combine_time, regmove_time, sched_time,
468 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
469 sched2_time, dbr_sched_time, reorder_blocks_time,
470 rename_registers_time, shorten_branch_time, stack_reg_time,
471 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
473 (compile_file): Don't initialize time variables. Call
474 init_timevar and start TV_TOTAL timer. Call timevar_print instead
475 of many calls to print_time.
476 (rest_of_compilation): Add timing for reload_cse_regs.
477 (get_run_time): Removed to timevar.c.
478 (print_time): Likewise.
479 (get_run_time): Implement using TV_TOTAL time variable.
480 (print_time): Get total run time from get_run_time.
481 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
482 computing elapsed time explicitly.
483 * ggc-simple.c (ggc_collect): Likewise.
484 (gc_time): Remove declaration.
486 2000-04-27 Mark Mitchell <mark@codesourcery.com>
488 * calls.c (combine_pending_stack_adjustment_and_call): New function.
489 (expand_call): Use it.
491 2000-04-27 Jan Hubicka <jh@suse.cz>
493 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
496 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
498 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
501 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
503 * function.c (epilogue_done): Pass whole insn to record_insns.
505 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
507 * cse.c (CSE_ADDRESS_COST): Remove.
508 (find_best_addr): Add new parameter "MODE", use address_cost instead
511 (fold_rtx): Update call of find_best_addr.
512 * rtl.h (address_cost): Declare.
513 * loop.c (general_induction_var): Add new parameter "MODE", use
514 address_cost instead of ADDRESS_COST
515 (init_loop): Use address_cost instead of ADDRESS_COST.
516 (check_insn_for_givs): Update call of general_induction_var.
517 (find_mem_givs): Likewise.
518 (consec_sets_giv): Likewise.
519 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
520 * i386.c (ix86_address_cost): New.
521 * i386-protos.h (ix86_address_cost): Declare.
523 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
525 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
528 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
530 * expr.c (store_expr): Use clear_storage instead of direct memset
533 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
535 * config/mn10300/mn10300.c (mn10300_address_cost): Test
536 ASHIFT, AND and LABEL_REF.
538 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
540 * invoke.texi (-foptimize-sibling-calls): Fix.
542 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
544 * loop.c (load_mems) Don't use hard registers for the hoisting.
546 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
547 calculation; rename const_equiv array in the preconditioning code
548 from loop_unroll to loop_unroll_precondition
550 2000-04-27 Richard Henderson <rth@cygnus.com>
552 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
554 (propagate_one_insn): Clear it. Don't update reg_live here.
555 (init_propagate_block_info): Update for pbi member changes.
556 (free_propagate_block_info): Likewise.
557 (mark_set_1): Know that zero_extract, sign_extract, and
558 strict_low_part don't kill their argument. Alter hard subregs.
559 Update new_set for non-CLOBBER sets. Update reg_live.
560 (find_auto_inc): Update reg_live, not new_dead.
561 (mark_used_reg): Update reg_live, not new_live. Examine new_set
562 to determine if the reg in question was set this insn. Only update
563 reg info with PROP_REG_INFO.
565 2000-04-26 Richard Henderson <rth@cygnus.com>
567 * flow.c (allocate_reg_life_data): Set max_regno here ...
568 (life_analysis): ... not here.
570 * flow.c (calculate_global_regs_live): Force stack pointer
573 2000-04-26 Richard Henderson <rth@cygnus.com>
575 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
576 commit change group changes.
577 (invert_exp_1): Similarly.
578 (redirect_exp, invert_exp): Use them.
579 (redirect_jump_1): New.
580 (invert_jump_1): New.
581 (jump_optimize_1): Remove code subsumed by condexec.c.
582 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
584 2000-04-26 Richard Henderson <rth@cygnus.com>
586 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
588 * genconfig.c (main): Set all HAVE_foo to 1.
590 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
592 2000-04-26 Alex Samuel <samuel@codesourcery.com>
594 * invoke.texi: Document -fssa flag.
596 2000-04-26 Richard Henderson <rth@cygnus.com>
598 * flow.c (count_reg_sets_1): Remove.
599 (count_reg_sets, count_reg_references): Remove.
600 (recompute_reg_usage): Implement with update_life_info.
601 Reallocate life data.
603 2000-04-26 Richard Henderson <rth@cygnus.com>
605 * flow.c (update_life_info): Consider blocks null to mean the
607 (calculate_global_regs_live): Likewise.
608 (life_analysis): Do that instead of collecting all_blocks.
610 2000-04-26 Richard Henderson <rth@cygnus.com>
612 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
613 a still-valid conditional jump.
615 2000-04-26 Richard Henderson <rth@cygnus.com>
617 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
619 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
620 * flow.c (calculate_loop_depth): Remove.
621 * output.h (calculate_loop_depth): Don't declare.
622 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
623 inline; run estimate_probability at the same time.
625 2000-04-26 Neil Booth <NeilB@earthling.net>
627 * cpplib.h: "~=" is not a single pp-token.
628 * cpplex.c: Correct commentary.
630 2000-04-26 Richard Henderson <rth@cygnus.com>
632 * flow.c (mark_set_1): New arguments code and flags; update all
633 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
634 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
635 loop_depth when optimizing for size. Do new_dead update after
636 emitting REG_UNUSED notes. Merge mark_set_reg code.
637 (mark_set_reg): Remove.
638 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
639 arrange to not emit REG_UNUSED notes.
641 2000-04-26 Richard Henderson <rth@cygnus.com>
643 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
644 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
646 2000-04-26 Richard Henderson <rth@cygnus.com>
648 * flow.c (propagate_one_insn): Break out from propagate_block.
649 (init_propagate_block_info): Likewise.
650 (free_propagate_block_info): Likewise.
651 (propagate_block): Use them. Export.
652 * basic-block.h: Declare them all.
654 2000-04-26 Richard Henderson <rth@cygnus.com>
656 * basic-block.h (life_analysis): Declare here ...
657 * output.h: ... not here.
658 * flow.c (life_analysis): Remove nregs parameter; replace
659 remove_dead_code with flags. Remove ssa dead code check.
660 Only init alias analysis if we'll use it.
661 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
662 * ssa.c (convert_to_ssa): Likewise.
663 (convert_from_ssa): Likewise.
664 * toplev.c (rest_of_compilation): Likewise.
666 2000-04-26 Richard Henderson <rth@cygnus.com>
668 * flow.c (flow_delete_block): Rename from delete_block. Export.
669 * basic-block.h (flow_delete_block): Declare.
671 2000-04-26 David S. Miller <davem@redhat.com>
673 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
674 taking a PATTERN of it.
676 2000-04-26 <NeilB@earthling.net>
678 * cpplex.c (spell_other, spell_char): Remove.
680 (token_spelling, trigraph_map): Use unsigned chars.
681 (_cpp_lex_line): Tidy up the switch statement.
682 * cpplib.h: Implement spell_char with spell_string.
685 2000-04-26 <RodneyBrown@pmsc.com>
687 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
688 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
690 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
692 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
693 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
694 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
695 dwarf2out_return_save, dwarf2out_return_reg,
696 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
697 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
698 gen_compile_unit_die, dwarf2out_init): Constify a char*.
700 * dwarf2out.h (dwarf2out_init): Likewise.
702 * dwarfout.c (filename_entry, primary_filename, last_filename,
703 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
705 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
706 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
707 dwarf2out_return_reg): Likewise.
709 2000-04-26 Andreas Jaeger <aj@suse.de>
711 * extend.texi (Function Attributes): Fix description of pure
714 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
716 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
717 before calling rest_of_compilation.
719 2000-04-26 Andreas Jaeger <aj@suse.de>
721 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
724 2000-04-25 Richard Henderson <rth@cygnus.com>
726 * cse.c (cse_insn): Emit barrier after unconditional jump.
728 * calls.c (expand_call): Disable tail call generation once
729 rtx_equal_function_value_matters is false.
731 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
734 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
736 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
738 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
740 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
741 is the primary DIE for a member function.
742 (gen_decl_die): Call set_decl_origin_self here.
743 * dwarfout.c (output_decl): And here.
744 * integrate.c (output_inline_function): Not here.
745 Don't clear DECL_INLINE until after calling rest_of_compilation.
746 (set_decl_origin_self): No longer static.
747 * tree.h: Add prototype.
748 * toplev.c (note_deferral_of_defined_inline_function): Only write
749 out abstract instance for actual inlines.
751 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
753 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
754 EXTENDED_REGS only if TARGET_AM33.
755 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
756 SP_REGS to register allocation and reloading unless absolutely
758 (movsi3): Remove special-case of adding non-constants to SP.
760 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
762 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
763 INCLUDES to search and does not provide any of its own. Also it
764 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
765 parameters. Also it does not call AC_DEFINE.
766 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
767 AC_DEFINE and provides for automatic entries for autoheader.
768 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
770 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
771 so we can pass -I flags and include gansidecl.h/system.h in this
774 * acconfig.h: Delete all NEED_DECLARATION_* entries.
776 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
778 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
779 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
780 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
782 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
783 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
784 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
785 for these macros. Clean up spacing and linewraps.
787 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
789 * calls.c (expand_call): Use get_callee_fndecl.
791 * print-tree.c (print_node): Print the chain of an _EXPR.
793 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
794 Jim Wilson <wilson@cygnus.com>
795 Andrew Haley <aph@cygnus.com>
797 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
798 and gp save/restore problems.
799 * config/ia64/crtend.asm: Add IA-64 unwind support.
800 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
801 in fr_pad_size calculation.
802 (save_restore_insns): Move PR save area. Correct uses of
804 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
805 (ia64_expand_epilogue): Add eh_epilogue support.
806 (ia64_function_prologue): Emit .prologue directive.
807 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
808 (ia64_override_options): Set init_machine_status and
810 (rtx_needs_barrier): Handle bsp reads and writes.
811 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
812 New static variables.
813 (process_set, process_for_unwind_directive): New functions.
814 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
815 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
816 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
818 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
819 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
820 (struct machine_function): Define.
821 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
823 2000-04-25 Bruce Korb <bkorb@gnu.org>
825 * fixinc/Makefile.in: make the removal of old programs more
827 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
828 install-bin and install-sh
830 2000-04-25 Nick Clifton <nickc@cygnus.com>
832 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
833 defined, define to return zero.
834 (function_cannot_inline_p): If a function has any target
835 specific attributes, then use the macro
836 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
837 whether it can be inlined. If it cannot, issue a suitable
840 * tm.texi: Add a new node 'Inlining' to document the new macro
841 FUNCTION_ATTRIBUTE_INLINABLE_P.
843 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
845 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
848 2000-04-25 Neil Booth <NeilB@earthling.net>
850 Restore previous patch, plus the following fixes:
852 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
853 flags, not CPP_OPEN_PAREN.
854 * cpplex.c (expand_token_space, init_token_list,
855 cpp_free_token_list): Put the dummy token at list->tokens[-1].
856 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
858 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
860 * config/i386/freebsd.h (INT_ASM_OP): Define.
862 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
864 * loop.c (strength_reduce): Fix typo in the last checkin.
866 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
868 * stor-layout.c (finalize_record_size): Simplify to use existing
870 (compute_record_mode): No longer static.
871 * tree.h (compute_record_mode): New declaration.
873 2000-04-25 Neil Booth <NeilB@earthling.net>
875 * Revert my patch below until cause of build failures
878 2000-04-25 Richard Henderson <rth@cygnus.com>
880 * combine.c (combine_instructions): Add missing argument
883 * toplev.c (rest_of_compilation): Delay sibcall optimization
884 until after emit_eh_context.
886 2000-04-24 Nick Clifton <nickc@redhat.com>
888 * combine.c (combine_instructions): Do not try to combine a
889 sequence of insns when the second insn has been replaced by a
892 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
894 * gcc.c (load_specs): New static function.
895 (read_specs): Use it.
897 * gcc.c (lookup_compiler): Make multiple passes for case
898 insensitive filesystems.
900 2000-04-24 Neil Booth <NeilB@earthling.net>
902 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
903 * cpphash.h (_cpp_check_directive): new.
904 * cpplex.c (handle_newline, cpp_free_token_list,
905 init_trigraph_map, trigraph_ok, trigraph_replace,
906 backslash_start, skip_block_comment, skip_line_comment,
907 skip_whitespace, parse_name, parse_number, parse_string,
908 copy_comment, _cpp_lex_line, spell_char, spell_string,
909 spell_comment, spell_name, spell_other, _cpp_lex_file,
910 _cpp_output_list): new.
911 (expand_name_space): take length argument.
912 (init_token_list): add comment list initialisation.
913 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
914 instead of HSPACE_BEFORE.
916 * cpplib.c (_cpp_check_directive): new
917 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
918 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
919 (HSPACE_BEFORE): delete.
920 (TTYPE_TABLE): rearrange.
921 (struct cpp_toklist): update.
923 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
925 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
926 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
927 argument form of AC_DEFINE.
929 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
930 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
931 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
932 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
933 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
935 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
937 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
939 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
940 deduced.h): Use -isystem, not -I, for including system headers.
942 2000-04-24 Nick Clifton <nickc@cygnus.com>
944 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
945 the source register is the frame pointer or arg pointer.
946 (addsi3_small_int): Disallow if source register is the frame
947 pointer or arg pointer.
949 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
951 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
952 call to AC_MSG_RESULT.
954 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
956 * invoke.texi: Correct grammatical errors, document
957 -fno-gnu-keywords as identical to -fno-asm for C++.
959 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
961 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
962 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
963 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
964 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
965 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
967 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
968 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
969 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
970 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
973 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
975 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
976 (pop_alignment): Likewise.
977 (handle_pragma_token): Likewise.
979 2000-04-24 Robert Lipe <robertlipe@usa.net>
981 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
983 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
985 * combine.c (try_combine): Update reg_nonzero_bits of
986 newi2pat before newpat.
988 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
990 * loop.c (strength_reduce): Simplify test to INSN_P.
991 (record_giv): Attempt to simplify the add value, use CONSTANT_P
992 expressions instead of CONST_INT.
993 (express_from_1): Likewise.
995 2000-04-24 Mark Mitchell <mark@codesourcery.com>
997 * regs.h (reg_n_max): Don't declare.
998 * flow.c (reg_n_max): Don't define.
999 * regclass.c (renumber): Don't initialize to zero.
1000 (regno_allocated): Likewise.
1001 (reg_n_max): Define.
1002 (allocate_reg_info): Don't initialize unnecessarily.
1004 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1006 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1007 and blockage_p in the newly allocated attribute.
1009 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1011 * config/mn10300/mn10300.md (addsi): `inc4' on address
1012 registers does not modify cc, but `inc' on an extended
1015 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1017 * reload.c (find_equiv_reg): Checks all valueno regs
1018 as a reload_reg_p regs.
1020 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1022 * cpphash.c (collect_objlike_expansion): Add sanity check.
1023 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1024 the buffer is the empty string, return. Mark __DATE__ and
1025 __TIME__ as XCONST nodes, not MCONST.
1026 (_cpp_macroexpand): Avoid pushing an empty buffer.
1027 (funlike_macroexpand): Don't pop token_buffer here.
1029 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1031 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1032 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1033 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1034 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1035 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1036 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1037 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1039 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1041 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1044 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1046 * cpphash.h (struct definition): Move file, line, col members...
1047 (struct hashnode): ... here. Also add 'disabled' flag.
1048 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1049 T_IDENTITY. Remove T_DISABLED.
1052 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1053 (collect_expansion): Split into collect_objlike_expansion and
1054 collect_funlike_expansion.
1055 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1056 funlike_macroexpand.
1057 (_cpp_compare_defs): Rename compare_defs, make static.
1058 (_cpp_make_hashnode): Initialize hp->disabled.
1059 (macro_cleanup): Adjust for new token types. Clear
1061 (_cpp_create_definition): Move code here to determine what
1062 sort of macro it is, and code to check for redefinitions, from
1063 do_define. Implement a few simple cases without creating a
1065 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1066 Handle the simple cases.
1067 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1070 * cppinit.c (builtin_array): Change MCONST to XCONST
1072 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1073 fix check for disabled and function-like macros.
1074 * cpplib.c (do_define): Move most logic to
1075 _cpp_create_definition.
1076 (do_undef): Handle new special token types.
1078 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1080 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1081 of CONSTANT_P for mult_val; always use validate_change to update insn.
1083 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1085 * cpphash.c (trad_stringify, add_pat): New functions.
1086 (collect_expansion): Restore support for -traditional syntax.
1087 Use trad_stringify and add_pat.
1088 (_cpp_macroexpand): Restore support for -traditional semantics.
1089 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1090 get a COMMENT token.
1091 (_cpp_lex_token): Provide COMMENT tokens to caller if
1092 traditional and parsing_define_directive.
1093 (skip_comment): Warn about // comments if -Wtraditional.
1094 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1096 (do_undef): Don't warn about undefining EMPTY nodes.
1098 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1100 * loop.c (strength_reduce): Fix biv removal code.
1102 2000-04-22 Richard Henderson <rth@cygnus.com>
1104 * predict.c (estimate_probability): Examine both sides of
1105 a branch for no exits. Use 90% not 50% for predict taken.
1106 Reorg for one copy of note generation code.
1108 2000-04-22 Richard Henderson <rth@cygnus.com>
1110 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1112 2000-04-22 Richard Henderson <rth@cygnus.com>
1114 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1115 (output_clear): Likewise.
1116 (output_printf): Use va_copy.
1117 (vline_wrapper_message_with_location): Likewise.
1118 (v_message_with_decl): Likewise.
1119 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1120 * system.h (va_copy): Provide default implementation.
1122 2000-04-22 Richard Henderson <rth@cygnus.com>
1124 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1125 the collected condition is not a constant.
1127 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1129 * diagnostic.h: New file.
1131 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1133 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1134 various function prototypes.
1135 (diagnostic.h): #include.
1136 (struct output_buffer): Move into diagnostic.h.
1137 (get_output_prefix): Rename to output_get_prefix. Export.
1138 (init_output_buffer): Export. Break out. Ajust intialization.
1139 (output_space_left, output_append): Export.
1140 (output_newline): Rename to output_add_newline. Export.
1141 (output_clear): Nullify additional output_buffer fields.
1142 (output_puts): Rename to output_add_string. Export.
1143 (dump_output): Rename to output_flush_on. Export.
1144 (build_location_prefix): Constify return-type.
1145 (emit_output_prefix): Rename to output_emit_prefix. Export.
1146 (set_real_maximum_length): New function.
1147 (output_set_maximum_length): Ditto
1148 (output_clear): Ditto.
1149 (output_add_character): Ditto.
1150 (output_add_integer): Ditto.
1151 (output_add_space): Ditto.
1152 (output_format): Ditto.
1153 (output_printf): Adjust buffer initialization.
1154 (vline_wrapper_message_with_location): Ditto.
1155 (v_message_with_decl): Ditto. Adjust call to output_puts
1156 and get_output_prefix.
1157 (default_print_error_function): Adjust buffer intialization.
1159 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1161 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1164 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1166 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1169 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1171 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1172 accurate data about SP moves.
1174 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1176 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1177 aliases to AM33 registers.
1179 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1181 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1182 to all EXTENDED bitmaps.
1184 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1186 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1187 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1188 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1190 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1192 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1193 the operand is not constant.
1195 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1197 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1198 as a call-clobbered regs.
1200 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1202 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1204 * rtl.def: Update comment.
1205 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1206 * integrate.c (expand_inline_function): Likewise.
1207 * profile.c (branch_prob): Likewise.
1208 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1209 * print-rtl.c (print_rtx): Likewise.
1210 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1211 (reemit_notes): Likewise; also use enum insn_note.
1213 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1214 (place_field): Properly compute know and actual alignment.
1216 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1219 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1222 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1224 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1225 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1226 (collect_expansion): Rewrite to scan over a token list.
1227 Remove -traditional support.
1228 (collect_formal_parameters): Rename to collect_params; rewrite
1229 to scan over a token list.
1230 (_cpp_create_definition): Adjust to scan a token list.
1231 (_cpp_macroexpand): Remove -traditional support.
1232 (_cpp_compare_defs): Whitespace is now canonicalized.
1233 (comp_def_part): Delete function.
1235 * cpphash.h: Update prototypes.
1236 * cpplex.c (init_token_list): Don't set lineno if there is no
1238 (pedantic_whitespace): New function.
1239 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1240 consume a newline. Use pedantic_whitespace.
1241 (_cpp_lex_token): Remove support for -traditional macros.
1242 (_cpp_get_define_token): Delete.
1243 (_cpp_get_directive_token): Do the real work here. Use
1244 pedantic_whitespace.
1245 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1247 * cpplib.c (get_macro_name): Delete.
1248 (do_define): Read the entire line into pfile->directbuf, then
1249 feed the token list to _cpp_create_definition.
1250 * cpplib.h (HSPACE_BEFORE): new define.
1251 (struct cpp_reader): Add a toklist member, "directbuf".
1253 * predict.c (estimate_probability): New heuristic: if a jump
1254 branches around a block with no successors, predict it taken.
1255 Disentangle control flow.
1257 2000-04-20 Richard Henderson <rth@cygnus.com>
1259 * loop.c (emit_iv_add_mult): Revert last change.
1261 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1263 * cpplib.h (enum cpp_ttype): Add token types for all
1264 punctuators. Distinguish pp-numbers from valid C numbers.
1265 Give some tokens better names. Initialize from macro.
1266 (struct cpp_name, cpp_token, cpp_toklist): New data
1269 * cpplex.c (bump_column, expand_name_space,
1270 expand_token_space, init_token_list, cpp_output_list,
1271 _cpp_scan_line): New functions.
1272 (output_line_command): Add third argument, new line number.
1273 * cpphash.h: Update prototypes.
1274 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1277 2000-04-20 Richard Henderson <rth@cygnus.com>
1279 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1281 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1283 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1286 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1288 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1289 REG_EQUAL note explaining the calculated value.
1291 * calls.c (expand_call): Avoid unnecesary precalculation
1292 and outgoing parameters space guarding for sibling calls.
1293 (store_one_arg): Likewise.
1295 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1298 (rest_of_compilation): Write sibling dump file and account
1299 for time as jump time.
1300 * invoke.texi: Update documentation on dump flags.
1302 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1304 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1306 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1308 * cpphash.c (special_symbol): Represent an empty macro with
1309 "\r \r " not just "\r ".
1310 (_cpp_macroexpand): Correct condition for the foo ( ) special
1312 (unsafe_chars): Handle EOF as second argument.
1313 (push_macro_expansion): Simplify test for removing escape at
1314 end. Do not trim both escapes if there is no text in between.
1316 2000-04-19 Jim Blandy <jimb@redhat.com>
1318 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1319 of PTR_SIZE, when appropriate.
1321 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1323 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1324 (USE_ENUM_BITFIELDS): Fix typo.
1326 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1328 * stor-layout.c (place_field): Set rli->offset_align properly.
1330 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1332 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1333 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1334 PARM_BOUNDARY): Remove unnecessary casts.
1336 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1338 * calls.c (precompute_arguments): Remove must_preallocate and
1340 (expand_call): Update call of precompute_arguments.
1342 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1343 check_insn_for_givs): Break out from ...
1344 (strength_reduce) ... here; use for_every_insn_in_loop to call
1345 check_insn_for_givs.
1346 * loop.h (for_every_insn_in_loop): Declare.
1347 (loop_insn_callback): New type.
1349 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1351 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1354 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1356 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1359 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1361 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1363 * configure.in: Delete --disable-cpplib option and all
1364 references to cpp_main.
1365 * configure: Regenerate.
1366 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1367 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1368 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1369 cpp$(exeext). Add --no-headers to makeinfo command line when
1370 generating INSTALL. Install and uninstall cpp.1 manpage, not
1372 * install.texi: Delete all references to cexp.y/cexp.c.
1373 Delete ancient instructions for compiling GCC on 3b1.
1374 * INSTALL: Regenerate.
1376 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1377 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1378 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1380 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1381 which is no longer tested anywhere.
1383 * cppinit.c (handle_option): Don't run error message through
1386 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1388 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1389 * cpperror.c (hashtab.h): Now include.
1390 * cppexp.c (hashtab.h): Likewise.
1391 * cpplex.c (hashtab.h): Likewise.
1392 * cppfiles.c (hashtab.h): Likewise.
1393 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1394 to htab_find_slot_with_hash.
1395 * cpphash.c (hashtab.h): Now include.
1396 (_cpp_lookup_slot): INSERT is now enum insert_option.
1397 * cpphash.h (_cpp_lookup_slot): Likewise.
1398 * cppinit.c (hashtab.h): Include earlier.
1399 (initialize_builtins): Pass enum to htab_find_slot.
1400 * cpplib.c (hashtab.h): Now include.
1401 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1402 (do_pragma_poison, do_assert): Likewise.
1403 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1404 htab_find_slot_with_hash.
1405 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1406 * tree.c (type_hash_add): Likewise.
1407 (build1): Minor cleanup.
1409 * ggc-common.c: Add missing blanks.
1410 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1411 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1413 * stmt.c (mark_case_node): New function.
1414 (mark_case_nesting): Call it.
1416 * expmed.c (emit_store_flag): If comparing two-word integer
1417 with zero, can optimize NE, EQ, GE, and LT.
1419 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1420 * conflict.c: Minor cleanups.
1421 * optabs.c: Add blank line
1422 * simplify-rtx.c: Minor cleanups.
1424 2000-04-18 Stan Cox <scox@cygnus.com>
1426 * gengenrtl.c (genlegend): Fix misspelling.
1428 2000-04-18 Robert Lipe <robertlipe@usa.net>
1430 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1431 bitfields of the host compiler are not signed quantities.
1432 * config.in: Regenerate.
1433 * configure: Regenerate.
1434 * system.h (USE_ENUM_BITFIELDS): Added.
1435 (ENUM_BITFIELDS): Added.
1436 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1437 (SHORT_ENUM_BUG): Deleted.
1438 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1440 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1441 (CODE_FIELD_BUG): Likewise.
1442 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1444 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1446 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1448 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1451 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1453 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1454 * cpplib.c (do_include, do_import, do_include_next,
1455 read_line_number, detect_if_not_defined): Likewise.
1456 * cpphash.c (collect_expansion): Likewise.
1457 (special_symbol, _cpp_macroexpand): Check return from
1459 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1460 macros. Delete all uses.
1462 * gcc.dg/cpp-mi.c: Add two more test cases.
1463 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1465 2000-04-17 Richard Henderson <rth@cygnus.com>
1467 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1468 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1470 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1472 * function.c (expand_function_start): Use hard_function_value to
1473 compute the RTL to use for DECL_RESULT.
1475 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1477 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1478 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1479 x86_memory_mismatch_stall): New global variables.
1480 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1481 alloved; fix load penalties for Athlon.
1482 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1483 x86_memory_mismatch_stall): Declare.
1484 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1485 TARGET_MEMORY_MISMATCH_STALL): New.
1486 * i386.md (athlon scheduling parameters): Fix latencies according to
1487 Athlon Optimization Manual.
1488 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1490 (fsqrt instruction patterns): Set athlon_decode to direct.
1491 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1492 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1493 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1494 and TARGET_PARTIAL_REGISTER_STALL machines.
1495 (pushdf_nointeger): New pattern.
1496 (pushdf_integer): Rename from pushdf.
1497 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1498 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1500 2000-04-17 Richard Henderson <rth@cygnus.com>
1502 * loop.c (canonicalize_condition): Add WANT_REG argument.
1503 Stop the search if we match it.
1504 * expr.h (canonicalize_condition): Update decl.
1505 * predict.c (expected_value_to_br_prob): Use it. Track last
1506 expected value note.
1507 (find_expected_value): Remove.
1509 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1511 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1513 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1514 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1516 * configure.in: Call AC_FUNC_MMAP_FILE.
1517 * configure: Regenerate.
1518 * config.in: Regenerate.
1520 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1521 * fixinc/fixincl.c: Likewise.
1523 2000-04-17 Richard Henderson <rth@cygnus.com>
1525 * builtins.c (expand_builtin_expect): New.
1526 (expand_builtin): Call it.
1527 * builtins.def (BUILT_IN_EXPECT): New.
1528 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1529 * extend.texi: Document it.
1531 * predict.c (expected_value_to_br_prob): New.
1532 (find_expected_value): New.
1533 * basic-block.h (expected_value_to_br_prob): Declare.
1534 * toplev.c (rest_of_compilation): Invoke it.
1536 * rtl.h (NOTE_EXPECTED_VALUE): New.
1537 (NOTE_INSN_EXPECTED_VALUE): New.
1538 * rtl.c (note_insn_name): Update.
1539 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1540 cases; handle NOTE_INSN_EXPECTED_VALUE.
1542 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1544 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1545 leaf sibcall delay slot if flag_pic.
1546 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1548 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1550 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1552 * fixproto: If fix-header fails, exit with an error.
1554 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1556 * cse.c (struct check_depdendence_data): New.
1557 (check_dependence): New function.
1558 (invalidate): Use check_depdenence.
1560 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1562 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1563 UNITS_PER_WORD is unsigned.
1565 * tree.h (struct tree_common): Remove misleading comment.
1567 2000-04-16 Dave Pitts <dpitts@cozx.com>
1569 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1570 message in quotes. Otherwise, IBM's make program treats the '#' as the
1571 start of a comment and ignores the remainder of the line.
1573 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1575 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1576 * cexp.y (initialize_random_junk): Likewise.
1577 * cppfiles.c (find_include_file): Cast alloca return value.
1578 * cppinit.c (initialize_standard_includes): Likewise.
1579 * cpplib.c (cpp_define, cpp_undef): Likewise.
1580 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1581 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1582 * fold-const.c (CHARMASK): New.
1583 (real_hex_to_f): Use it.
1584 * real.c (CHARMASK): New.
1585 (etoasc, asctoeg): Use it.
1586 (asctoeg): EBCDIC lower case characters preceed upper case.
1588 * i370.c (mvs_add_label): Change spacing for coding conventions.
1589 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1590 outputing case vectors.
1591 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1592 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1593 since vector in in the data CSECT.
1594 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1595 * i370.md (Many patterns): Put the length in the XL directives.
1596 (movdi): Put back STM and MVC in definition.
1597 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1598 pattern using the TCA.
1599 * oe.h (CPP_SPEC): Added to allow trigraphs.
1600 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1601 not support the "long long" type.
1603 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1605 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1607 (mips_reg_mode_ok_for_base_p): Likewise.
1608 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1609 (REG_OK_FOR_INDEX_P): Define unconditionally.
1610 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1611 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1612 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1613 that GET_MODE_SIZE is unsigned.
1614 (mips_reg_mode_ok_for_base_p): Define.
1615 (mips_legitimate_address_p): Likewise. Adjust now
1616 that GET_MODE_SIZE is unsigned.
1617 (block_move_loop): Make the number of bytes unsigned.
1618 (expand_block_move): Likewise.
1619 (function_arg): Make the loop counter unsigned to match the
1622 2000-04-16 Richard Henderson <rth@cygnus.com>
1624 * rtl.h (enum insn_note): New enumeration. Subsume
1625 NOTE_INSN_DELETED and friends.
1626 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1627 * rtl.c (note_insn_name): Tweak string order.
1629 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1631 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1634 * cpplex.c (output_line_command): Remove debugging prints.
1635 (cpp_output_tokens): Don't write out a zero-length buffer or
1636 try to see if it has a newline in it.
1637 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1638 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1639 the end of the loop. Use memmove. Don't read past the end of
1640 the buffer. Remove trailing newlines from error messages.
1642 2004-04-16 Neil Booth <NeilB@earthling.net>
1644 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1645 * cpplib.c: Add new syntax flags to directive table, and
1648 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1650 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1653 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1655 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1656 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1658 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1660 * Makefile.in (ggc-page.o): Now includes toplev.h.
1661 * ggc-page.c (toplev.h): Now included.
1662 (gc_time): Remove declaration.
1663 (ggc_collect): TIME now long.
1664 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1666 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1668 * toplev.c: Make *_time variable long to reduce chance of overflow.
1669 (TIMEVAR): Likewise for `otime'.
1670 (print_time): Arg is now long; compute percentage in FP and round.
1671 * toplev.h (print_time): Arg is long.
1673 * tree.c: Minor whitespace changes.
1675 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1676 * configure: Rebuilt.
1677 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1678 (__fixunsxfDI): Renamed from __fixunsxfdi.
1679 (__fixunsdfDI): Renamed from __fixunsdfdi.
1680 (__fixunssfDI): Renamed from __fixunssfdi.
1681 (__floatdisf): Use proper type in REP_BIT macro.
1682 (__fixunsxfSI): Renamed from __fixunsxfsi.
1683 (__fixunsdfSI): Renamed from __fixunsdfsi.
1684 (__fixunssfSI): Renamed from __fixunssfsi.
1685 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1686 Change location of macros and upper-case some names as above.
1687 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1688 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1690 * varasm.c (assemble_variable): Add cast to remove warning.
1691 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1693 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1694 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1695 region number to -1.
1697 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1699 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1700 call unshare_all_rtl.
1702 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1704 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1706 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1707 Use .s1 not .s0 for all FP instructions.
1709 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1711 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1713 (safe_fwrite, output_line_command): New static functions.
1714 (cpp_expand_to_buffer): Now private to cpplib.
1715 (cpp_scan_buffer): Take a printer.
1717 * cpphash.h: Update prototypes.
1718 * cpplib.h: Update prototypes.
1720 (cpp_buffer): Remove last_nominal_fname.
1721 (cpp_reader): Remove lineno.
1723 * cppmain.c: Use a cpp_printer.
1724 * fix-header.c: No need to inhibit line commands. Call
1725 cpp_start_read with no printer.
1727 * cpperror.c (cpp_notice_from_errno): Provide default name.
1728 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1729 (find_include_file, cpp_read_file): Use make_IHASH.
1730 (file_cleanup): Set control_macro and clear
1731 input_stack_listing_current here.
1732 (_cpp_execute_include): Don't output entering-file marker.
1733 * cpphash.c (special_symbol): Look for the line number in the
1734 buffer, not the reader.
1735 (_cpp_macroexpand): No need to disable line commands.
1736 (_cpp_dump_definition): No need to generate line commands.
1737 (dump_hash_helper): Remove excess newline from output.
1738 * cppinit.c (dump_special_to_buffer): No need to generate line
1740 (cpp_printer_init): New.
1741 (cpp_start_read): Take a printer, and start it up if it's not
1742 NULL. No need to generate line commands.
1743 (cpp_finish): Expect no buffers stacked at all. Take a
1744 printer argument, and flush the output buffer if it's not
1746 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1747 Don't put two hashes at the beginning of an assertion.
1748 (cpp_get_token): Don't increment pfile->lineno or emit line
1749 commands here. Return EOF if there's no buffer when we get
1751 * cpplib.c (do_define, skip_if_group):
1752 No need to disable line commands.
1753 (_cpp_output_line_command): Delete function.
1754 (do_line): Don't emit line commands here, but set things up so
1755 they will be emitted if necessary. Use _cpp_fake_ihash to
1756 make unique nominal_fnames if necessary.
1757 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1758 with 0 for column, not -1.
1759 (_cpp_handle_eof): Don't set the control macro here. Don't
1760 clear input_stack_listing_current here. Don't emit line
1763 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1765 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1766 always, use the default SVR4 start address.
1768 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1769 (LINK_SHLIB_SPEC): Define.
1770 (LINK_START_DEFAULT_SPEC): Define.
1771 (LINK_OS_DEFAULT_SPEC): Define.
1773 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1775 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1776 __do_global_ctors to handle constructors.
1777 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1778 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1779 (STARTFILE_MVME_SPEC): Likewise.
1780 (STARTFILE_SIM_SPEC): Likewise.
1781 (ENDFILE_ADS_SPEC): Use crtend.
1782 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1783 (ENDFILE_MVME_SPEC): Likewise.
1784 (ENDFILE_SIM_SPEC): Likewise.
1785 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1786 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1787 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1788 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1789 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1790 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1791 (CRTSTUFF_T_CFLAGS_S): Define.
1792 * config/rs6000/eabi-ctors.c: Delete.
1794 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1797 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1801 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1803 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1804 plus mask size is smaller or equal to the mode size.
1806 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1808 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1811 * expr.c (reload.h): Now included.
1812 (emit_block_move): Set volatile_ok when checking for movstr.
1813 (emit_move_1): Check for replacements in addresses in multi-word case.
1814 * Makefile.in (expr.o): Now includes reload.h.
1816 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1817 Never have a LIBCALL end a basic block.
1818 (find_basic_blocks_1): Likewise.
1819 Reorganize CALL_INSN cases.
1821 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1823 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1825 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1826 completers from mov.ret instruction.
1828 2000-04-14 Richard Henderson <rth@cygnus.com>
1830 * fold-const.c (extract_muldiv): Don't distribute and widen
1831 multiply across plus for non-sizetype unsigned types.
1833 2000-04-14 Richard Henderson <rth@cygnus.com>
1835 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1836 If the original source is dead in the incr insn, it's dead now.
1838 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1840 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1841 see if DECL_BIT_FIELD needs to still be set.
1843 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1845 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1846 print_int_cst_octal with something that's not an INTEGER_CST.
1848 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1849 and not a SUBREG to a FLOAT rtl.
1851 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1853 * emit-rtl.c (try_split): Avoid infinite loop if the split
1854 results in a sequence that contains the original insn.
1856 2000-04-13 Andreas Jaeger <aj@suse.de>
1858 * config/mips/mips.c (expand_block_move): Pass alignment
1859 argument to move_by_pieces in bits, not bytes.
1861 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1862 __pic__ for little endian.
1864 2000-04-13 Andreas Jaeger <aj@suse.de>
1866 * config/i386/i386-protos.h: Add prototype for
1867 uno_comparison_operator.
1869 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1871 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1872 * calls.c (ECF_PURE): New flag.
1873 (emit_call_1): Handle ECF_PURE calls.
1874 (initialize_argument_information): Unset ECF_PURE flag too.
1875 (precompute_arguments): Precompute for ECF_PURE too.
1876 (expand_call): Handle ECF_PURE calls too.
1877 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1878 accept value of 2 as pure function.
1879 (emit_library_call_value, emit_library_call): Rename no_queue argument
1881 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1883 * tree.h (DECL_IS_PURE): New macro.
1884 (struct tree_decl): Add pure_flag.
1885 * c-common.c (enum attrs): Add attribute "pure".
1886 (init_attributes): Initialize attribute "pure"
1887 (decl_attributes): Handle attribute "pure".
1888 * extend.texi (Attribute "pure"): Document.
1889 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1891 (flags_from_decl_or_type): Support attribute "pure".
1893 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1895 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1896 the token except for numbers and identifiers.
1898 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1900 * i386.c (ix86_expand_binary_operator,
1901 ix86_expand_unary_operator): Check no_new_pseudos
1902 instead of reload_in_progress and reload_completed.
1903 (ix86_split_ashldi, ix86_split_ashrdi,
1904 ix86_split_lshrdi): Check no_new_pseudos instead
1905 of reload_completed.
1907 2000-04-12 Jeffrey A Law (law@cygnus.com)
1909 * function.c (purge_addressof): Unshare any shared rtl created by
1910 purge_addressof and its children.
1912 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1914 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1917 2000-04-05 Andreas Jaeger <aj@suse.de>
1919 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1920 not compiling PIC code, add flags for mabi=64.
1921 (SUBTARGET_CPP_SIZE_SPEC): New.
1922 (SUBTARGET_CPP_SPEC): New.
1923 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1924 for MIPS/Linux and lots of code needs these defines.
1926 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1928 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1929 trying the "opposite arithmetic" approach.
1931 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1933 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1934 (struct sh_args): Add new field force_mem.
1935 (INIT_CUMULATIVE_ARGS): Initialize it.
1936 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1938 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1940 * calls.c (expand_call): Do not reverse args in "equal from" field.
1941 (emit_library_call_value_1): Emit_libcall_block for const and pure
1944 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1946 * reload1.c (reload_combine): Don't enable optimization for fixed
1947 registers when encountering a BARRIER.
1949 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1951 * builtins.c (expand_builtin_memcmp): Do expansion even with
1952 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1954 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1955 stack is propertly aligned; add sanity checking for aligned
1957 (expand_library_call_value_1): Add sanity checking for aligned
1960 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1962 * calls.c (emit_library_call_value_1): Change 3rd arg to
1963 locate_and_pad_parm to disregard the setting of partial.
1965 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1967 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1969 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1970 CALL_INSN from the normal case.
1972 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1974 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1975 New global variables.
1976 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1978 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1980 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1981 TARGET_ADD_ESP_8): New macros.
1982 * i386.md: Add peep2s to convert esp adjustments to push and pop
1984 (pushsi_prologue, popsi_epilogue): New patterns.
1986 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1988 * real.c (toe64): Remove stale #endif from the last change.
1990 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1992 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1993 * real.c (toe64): Revert previous change.
1995 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1997 * objc/objc-act.c: Include ggc.h.
1998 (objc_tree_index, objc_global_trees): Convert most of the
1999 static tree variables into a static array with previous names
2001 (objc_ellipsis_node): New variable.
2002 (lang_init): Call objc_act_parse_init and c_parse_init.
2003 Create objc_ellipsis_node.
2004 (build_selector_translation_table): Use objc_ellipsis_node instead
2006 (hack_method_prototype): Likewise.
2007 (get_arg_type_list): Likewise.
2008 (start_method_def): Likewise.
2009 (continue_method_def): Likewise.
2010 (gen_method_decl): Likewise.
2011 (ggc_mark_imp_list): New function.
2012 (ggc_mark_hash_table): New function.
2013 (objc_act_parse_init): New function.
2014 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2015 * c-parse.in (c_parse_init): For objc add roots of objc specific
2016 local tree variables.
2017 * objc/objc-parse.y: Rebuilt.
2018 * objc/objc-parse.c: Rebuilt.
2019 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2021 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2023 * cse.c (delete_trivially_dead_insns): Also delete insns
2024 that copy a register to itself where the destination is
2027 2000-04-11 Richard Henderson <rth@cygnus.com>
2029 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2030 (propagate_block): Initialize them. Use them in parallel instead
2031 of one tmp variable, ie revert much of the 0408 and 0407 functional
2032 changes, but keep the structural changes.
2033 (mark_set_regs): Take new_dead from propagate_block_info instead.
2034 (mark_set_1, mark_set_reg): Likewise.
2035 (mark_used_regs): Likewise with new_live.
2036 (mark_used_reg): Likewise. Revert 0408 change.
2038 2000-04-11 Nick Clifton <nickc@cygnus.com>
2040 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2042 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2044 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2046 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2047 const section to output a CONSTRUCTOR based on the same conditions
2050 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2052 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2053 * pa/pa-protos.h (output_call): Add additional argument indicating
2054 if the call is a sibling/tail call.
2055 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2056 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2057 (function_arg, function_arg_partial_nregs): Likewise
2058 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2059 (emit_move_sequence): Zero extend certain constants as needed
2061 (compute_zdepdi_operands, output_64bit_and): New functions.
2062 (output_64bit_ior, function_arg): Likewise.
2063 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2064 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2065 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2066 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2067 (output_bvb): Likewise.
2068 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2069 (output_call): New argument 'sibcall'. Generate sibcall sequences
2071 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2072 (ouput_arg_descriptor): Do not emit argument descriptors for
2074 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2076 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2077 (FUNCTION_OK_FOR_SIBALL): Define.
2078 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2079 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2080 (CPP_SPEC): Use new spec infrastructure.
2081 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2082 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2083 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2084 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2085 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2086 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2087 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2088 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2089 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2090 (FUNCTION_ARG); Call out to C code.
2091 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2092 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2093 (MIN_UNITS_PER_WORD): Likewise.
2094 * pa/pa.md (cmpdi): New expander.
2095 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2096 (64bit conditional arithmetic): New patterns.
2097 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2098 (movsicc): Not available if modes on all the operands to not match.
2099 (movdicc): New expander and associated patterns.
2100 (64bit branches): New patterns.
2101 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2102 (pre_ldd, post_std): New patterns.
2103 (64bit addil, load low part): New patterns.
2104 (special movsf constant): Not available for TARGET_64BIT.
2105 (movsf, movdf expanders): Force constants into memory.
2106 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2107 (64bit movdf/movdi patterns): New patterns.
2108 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2110 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2111 (adddi3 expander): Allow "arith_operand" for second input.
2112 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2113 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2114 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2115 (muldi3): New expander for TARGET_64BIT.
2116 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2118 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2119 patterns for TARGET_64BIT.
2120 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2121 patterns for TARGET_64BIT.
2122 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2123 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2124 (sibcall_epilogue): New expander.
2125 (casesi): Tweak for TARGET_64BIT.
2126 (call expanders): Set & use the outgoing argument pointer. Use the
2127 64bit call patterns as needed. Add additional arg to output_call.
2128 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2129 (sibcall, sibcall_internal_symref): New expanders.
2130 (sibcall_value, sibcall_value_internal_symref
2131 (interspace_jump): Turn into an expander + matching patterns.
2132 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2133 * pa/pa64-regs.h: Eliminate trigraph sequences.
2134 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2136 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2138 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2139 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2140 cpp_token with cpp_ttype everywhere.
2141 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2142 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2143 CPP_BUF_COL. Line and column numbers are unsigned int, not
2145 * cpplex.c (cpp_buf_line_and_col): Delete.
2146 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2147 'long lineno' to 'unsigned int lineno'.
2148 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2150 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2152 * extend.texi: ISO C99 is not a draft anymore.
2153 * invoke.texi: ISO C++ is not a draft anymore.
2154 * cpp.texi: __cplusplus is required by the ISO standard.
2156 * extend.texi (-fthis-is-variable): Undocument.
2157 * flags.h (warn_template_debugging): Remove declaration.
2158 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2159 -Wenum-clash, -Wtemplate-debugging): Undocument.
2161 2000-04-10 Nick Clifton <nickc@cygnus.com>
2163 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2165 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2167 (ARM_SIGN_EXTEND): Use HOST_UINT.
2168 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2169 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2170 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2171 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2173 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2174 (arm_gen_constant): Use HOST_UINT.
2175 (arm_canonicalize_constant): Use HOST_UINT.
2176 (arm_reload_in_hi): Use HOST_UINT.
2177 (arm_reload_out_hi): Use HOST_UINT.
2178 (output_multi_immediate): Use HOST_UINT.
2179 (int_log2): Use HOST_UINT.
2180 (arm_poke_function_name): Use HOST_UINT.
2181 (arm_output_epilogue): Use arm_volatile_func().
2182 (output_thumb_prologue): Use arm_strip_name_encoding().
2184 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2186 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2187 of sequence point problems.
2189 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2191 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2193 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2195 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2197 * sbitmap.h: Whitespace changes and use upper-case macro args.
2198 (struct simple_bitmap_def): All sizes now unsigned.
2199 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2200 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2201 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2202 (sbitmap_zero): Cast bzero arg to PTR.
2203 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2204 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2205 loop to make structure clearer.
2206 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2207 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2208 (sbitmap_a_and_b_or_c): Likewise.
2209 (sbitmap_intersection_of_succs): Minor cleanups.
2210 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2211 (sbitmap_union_of_preds): Likewise.
2212 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2213 (debug_sbitmap): New function.
2215 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2216 * c-typeck.c (convert_for_assignment): Likewise.
2218 * expmed.c (init_expmed): Don't free objects we make.
2219 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2221 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2222 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2224 * gcse.c (expr_hash_table_size): Now unsigned.
2225 (compute_ae_gen): Local variable `i' now unsigned.
2226 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2227 (compute_transout, hoist_code): Likewise.
2228 (compute_local_properties): Likewise, also hash_table_size.
2229 (alloc_expr_hash_table): N_INSNS now unsigned.
2230 (delete_null_pointer_checks): Mark arg F as unused.
2232 * regrename.c: Minor cleanups, including chang some variables
2235 2000-04-10 Neil Booth <NeilB@earthling.net>
2237 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2239 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2241 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2243 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2244 __classof__, and __headof__ from the list of gnu keywords.
2245 (-ansi): Remove -foperator-names from list of implied options.
2246 Do not call it ANSI C++.
2247 (-foperator-names): Document as -fno-operator-names.
2249 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2251 * cpphash.c (timestamp): Delete.
2252 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2253 (special_symbol): Remove unnecessary braces. Remove
2254 T_VERSION. Treat T_STDC like T_CONST unless
2255 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2256 when one is encountered, then convert them into T_MCONST
2258 * cppinit.c (builtin_array): version_string is T_MCONST.
2259 __STDC__ has a "1" in its cpval. Don't have a terminator
2260 entry. Clean up which entries are dumped.
2261 (initialize_builtins): Only __STDC__ gets the special
2262 -traditional treatment. Count the length of builtin_array.
2263 Render version_string here.
2264 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2265 * cpplib.h (struct cpp_reader): Remove timebuf.
2267 2000-04-09 Richard Henderson <rth@cygnus.com>
2269 * genrecog.c (pred): Update comparison_operator for the unordered
2272 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2274 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2275 (uno_comparison_operator): New.
2276 (put_condition_code): Handle UNORDERED/ORDERED.
2277 (unsigned_comparison): Likewise.
2278 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2279 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2280 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2281 update all callers. Handle all 8 unordered operators.
2282 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2283 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2284 * config/i386/i386.h (PREDICATE_CODES): Update.
2285 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2286 (ix86_expand_branch, ix86_expand_setcc): Update.
2287 * config/i386/i386.md (sunordered, sordered): New.
2288 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2289 (bunordered, bordered): New.
2290 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2291 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2292 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2294 2000-04-09 Philip Blundell <philb@gnu.org>
2296 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2298 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2300 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2301 fix_truncxfhi2): New patterns.
2302 * i386.c (output_fix_trunc): Handle converting to HImode.
2304 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2306 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2308 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2309 (for_each_successor_phi): Change parameter to basic_block.
2310 (coalesce_regs_in_successor_phi_nodes): Likewise.
2311 (coalesce_regs_in_copies): Likewise.
2312 (compute_coalesced_reg_partition): Use basic_block instead of index.
2313 * rtl.h (convert_to_ssa): Delete.
2314 (convert_from_ssa): Likewise.
2315 (successor_phi_fn): Likewise.
2316 (for_each_successor_phi): Likewise.
2317 (in_ssa_form): Likewise.
2318 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2319 (convert_from_ssa): Likewise.
2320 (successor_phi_fn): Likewise.
2321 (in_ssa_form): Likewise.
2322 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2323 * flow.c (calculate_global_regs_live): Pass a basic_block to
2324 for_each_successor_phi.
2326 2000-04-08 Richard Henderson <rth@cygnus.com>
2328 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2329 was modified in the current insn.
2331 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2333 * arm/thumb.md: Delete.
2334 * arm/thumb-protos.h: Delete.
2336 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2338 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2340 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2342 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2345 * arm.md (nop): Use the standard RTL expression. Don't code as a
2347 (*arm_nop, *thumb_nop): Delete.
2349 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2350 constants. Use casts instead.
2351 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2352 output_multi_immediate, arm_poke_function_name): Likewise.
2353 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2354 MASK_RETURN_ADDDR): Likewise.
2356 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2358 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2361 * arm.md (eh_epilogue): New function.
2362 * arm.h (struct machine_function): Move to here ...
2363 * arm.c: ... from here.
2364 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2365 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2366 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2368 2000-03-30 Nick Clifton <nickc@cygnus.com>
2370 * config/arm/semi.h (ASM_SPEC): Restore definition.
2371 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2373 * config/arm/elf.h (ASM_SPEC): Restore definition.
2374 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2376 * config/arm/arm.h (ASM_SPEC): Remove definition.
2377 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2379 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2381 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2383 2000-03-24 Nick Clifton <nickc@cygnus.com>
2385 Various formating tidyups, elimination of compile time
2386 warnings and synchronisation with internal sources:
2388 * config/arm/arm-protos.h (assemble_align): Add prototype.
2389 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2390 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2391 (arm_return_addr_rtx): Rename to arm_return_addr.
2393 * config/arm/arm.c: Include except.h.
2394 Define shorter typenames for strict minipool_node and struct
2396 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2398 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2399 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2401 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2403 (ASM_SPEC): Define if not already defined.
2404 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2406 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2407 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2408 arm_gen_compare_reg.
2409 (indirect_jump): Only accept register operands.
2410 (load_indirect_jump): Keep this pattern since combine can generate
2413 * config/arm/coff.h: Include aout.h.
2414 (MULTILIB_DEFAULTS): Only define if not already defined.
2416 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2417 into arm.h (so that COFF ports can support thumb based aliases).
2418 (ASM_SPEC): Move definition into arm.h
2420 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2421 redundant apcs spec.
2422 (ASM_SPEC): Move definition to arm.h
2424 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2426 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2427 for entries in the .bss section
2429 2000-03-23 Nick Clifton <nickc@cygnus.com>
2431 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2432 to thumb_far_jump_used_p.
2434 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2435 single integer parameter.
2437 * config/arm/arm.c (struct machine_function): Add two new
2438 fields, 'far_jump_used' and 'arg_pointer_live'.
2439 (thumb_far_jump_used_p): Once the decision has been made that
2440 far jumps might be used, always return true.
2441 If being called from the initial elimination offset macro then
2442 do not bother to perform the test if the arg pointer is not
2444 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2445 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2447 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2449 * arm.c (output_return_instruction): Handle more cases where we can
2450 return from a function with an ldr instruction.
2451 (arm_output_epilogue): Likewise.
2453 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2454 if we need to push a large stack frame and there are no callee-saved
2457 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2458 in ARM code if the frame pointer has been eliminated.
2460 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2461 unspec_volatile arguments to avoid duplicates.
2462 (consttable_1, consttable_2): Fixes for big-endian mode.
2464 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2467 Re-write constant pool code.
2468 * arm.c (minipool_node, minipool_fix): New types.
2469 (minifix): Delete type.
2470 (arm_add_minipool_constant): Delete.
2471 (arm_compute_minipool_offsets, arm_find_barrier,
2472 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2473 (get_jump_table_size): Now returns HOST_WIDE_INT.
2474 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2476 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2477 (assign_minipool_offsets, arm_print_value): Likewise.
2478 (dump_minipool): Rewrite.
2479 (arm_barrier_cost): New function.
2480 (create_fix_barrier): New function.
2481 (push_minipool_barrier): New function.
2482 (push_minipool_fix): Record additional information about the fixup
2484 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2485 check the mode of what needs fixing.
2486 (arm_reorg): Rewrite.
2488 2000-03-08 Nick Clifton <nickc@cygnus.com>
2490 * config/arm/arm.md (indirect_jump): Force constant addresses into
2493 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2495 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2497 2000-02-24 Nick Clifton <nickc@cygnus.com>
2499 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2500 adjust is word aligned.
2501 (thumb_expand_epilogue): Make sure that stack adjust is word
2504 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2506 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2508 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2509 pointer relative addresses.
2511 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2513 * arm.c (find_barrier): Find the last barrier within the allowed
2516 2000-02-09 Nick Clifton <nickc@cygnus.com>
2518 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2520 2000-02-09 Nick Clifton <nickc@cygnus.com>
2522 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2523 ARM_FUNCTION_PROFILER.
2525 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2526 ARM_FUNCTION_PROFILER.
2528 * config/arm/linux-oldld.h: Imported from mainline sources.
2530 2000-02-07 Nick Clifton <nickc@cygnus.com>
2532 * config/arm/lib1funcs.asm: Merge in thumb functions from
2535 * config/arm/lib1thumb.asm: Delete.
2537 2000-02-04 Nick Clifton <nickc@cygnus.com>
2539 * config/arm/arm.c: Sychronised with current Red hat local
2541 * config/arm/arm.h: Ditto.
2542 * config/arm/arm-protos.h: Ditto.
2544 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2546 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2548 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2551 2000-02-02 Nick Clifton <nickc@cygnus.com>
2553 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2555 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2556 (return) was emited using an emit_insn() call.
2558 2000-01-31 Nick Clifton <nickc@cygnus.com>
2560 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2562 (thumb_exit): Move frame pointer back into hard frame pointer
2563 register if backtracing is being used.
2565 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2567 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2570 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2572 * config/arm/arm.md (neg_pool_offset): Provide default for new
2574 (arm_movsi_insn): Add neg_pool_offset attribute.
2575 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2576 rtx for the insn that starts the scan and an unsigned long for its
2577 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2578 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2579 instructions in *PINSERTED.
2580 (struct minipool_fixup): Add MIN_ADDRESS elt.
2581 (sort_fixups): Compute it.
2582 (arm_reorg): Changes to support inserting pools before the insn to be
2585 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2587 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2588 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2589 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2591 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2593 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2595 (TARGET_DEFAULT): Do not define if already defined.
2597 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2599 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2600 (iordi3): Allow disjoint source operands.
2601 (xordi3): Allow disjoint source operands.
2602 (negdi2): Permit construction for ARM and Thumb.
2603 (arm_negdi2): Renamed version of old negdi2 pattern.
2604 (thumb_negdi2): New pattern: Only permit non-overlapping
2605 source and destination.
2607 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2609 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2610 scratch low register so that it will not be deleted.
2612 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2614 * config/arm/pe.h (ARM_PE): Define.
2616 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2617 interfacearm attribute if this is a PE toolchain.
2618 (output_return_instruction): Do not emit anything if the function
2619 has the naked attribute set.
2620 (is_called_in_ARM_mode): If the function has the interfacearm
2621 attribute then return true.
2622 (thumb_expand_prologue): Do not generate a prologue for naked
2624 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2626 (output_thumb_prologue): Do not bother if the function is naked.
2627 Strip PE encoding from function name before emitting.
2629 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2631 * arm.md (pic_load_addr): Fix constraints.
2633 * arm.md (casesi_insn): Fix mis-applied patch.
2635 * arm.md ("core" function unit): Add rules for single- and
2637 (All TARGET_THUMB patterns): Add "type" attribute information
2639 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2640 the following insn is a CALL.
2642 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2644 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2645 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2646 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2648 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2650 * config/arm/linux-gas.h: oops - this file was missed out when the
2651 branch was created...
2653 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2655 * thumb.c: Deleted. Move contents to ...
2657 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2659 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2662 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2663 declare a prototype for asm_output_align();
2665 * arm.c (thumb_condition_code): Delete.
2666 (arm_print_operand): Always use arm_condition_code array.
2668 * arm.c (thumb_return_addr_rtx): Delete.
2669 (arm_save_machine_status, arm_restore_machine_status): Delete.
2670 (arm_init_machine_status, arm_mark_machine_status): New functions.
2671 (arm_init_expanders): Update accordingly.
2672 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2673 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2674 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2676 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2678 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2680 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2683 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2685 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2686 stack backtrace structure.
2688 * config/arm/arm-protos.h: Add prototypes for functions defined in
2691 * config/arm/arm.c (arm_override_options): Fix selection of
2692 attributes of default processor.
2694 * config/arm/coff.h: Delete needless #include.
2696 * config/arm/pe.c: Delete unused code.
2698 * config/arm/pe.h (CPP_DEFINES): Delete
2699 (SUBTARGET_CPP_SPEC): Define.
2700 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2702 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2704 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2706 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2708 (CAN_DEBUG_WITHOUT_FP): Define.
2709 (FIXED_REGISTERS): Make r11 call-saved.
2710 (CALL_USED_REGISTERS): Likewise.
2711 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2712 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2713 frame-pointer is required.
2714 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2715 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2716 if the target normally needs a stack frame in non-leaf functions.
2717 (use_return_insn): Correct logic for determining when a return
2718 instruction can be used.
2719 (output_return_instruction): Handle the frame-pointer register as
2720 a normal register when not TARGET_APCS_FRAME.
2721 (arm_output_prologue): Likewise.
2722 (arm_output_epilogue): Likewise.
2723 (output_func_epilogue): Likewise.
2724 (arm_expand_prologue): Likewise.
2725 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2727 * arm.c (use_return_insn): No need to check floating point regs if
2729 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2730 the code of value stored in the minipool array.
2731 (arm_add_minipool_constant): Likewise.
2733 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2735 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2737 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2739 * tree.c (tree_expr_nonnegative_p): New function.
2741 * tree.h (tree_expr_nonnegative_p): Declare.
2743 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2744 elide some sign_compare warnings.
2745 (build_conditional_expr): Likewise.
2747 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2749 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2751 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2752 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2753 operand. Abort if a 387 operand has an unsupported size.
2755 2000-04-08 Neil Booth <NeilB@earthling.net>
2757 * cppexp.c (parse_charconst): Null does not end character
2759 * cppinit.c (ISTABLE): Null character handled as whitespace.
2760 * cpplex.c (null_warning): new function.
2761 (skip_string): Emit warning if nulls encountered.
2762 (_cpp_skip_hspace): Emit warning if nulls encountered.
2763 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2767 2000-04-07 Richard Henderson <rth@cygnus.com>
2769 * flow.c (loop_depth): Remove.
2770 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2771 (struct propagate_block_info): New.
2772 (life_analysis): Don't allocate reg_next_use.
2773 (propagate_block_delete_insn): Break out of propagate_block.
2774 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2775 (propagate_block_delete_libcall): Likewise.
2776 (propagate_block): Create a propagate_block_info struct to pass
2777 to subroutines. Allocate one not two temporary regsets. Don't
2778 clobber memory for const calls. Look for clobbers in
2779 CALL_INSN_FUNCTION_USAGE.
2780 (mark_set_regs): Recognize COND_EXEC.
2781 (mark_set_reg): Break out of mark_set_1.
2782 (mark_used_reg): Break out of mark_used_regs.
2783 (mark_used_regs): Recognize COND_EXEC.
2784 (insn_dead_p): Use propagate_block_info struct.
2785 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2786 (find_auto_inc, try_pre_increment_1): Likewise.
2787 (print_rtl_with_bb): Dump regs live at end too.
2788 (count_reg_sets_1): Pass in loop_depth.
2789 (count_reg_sets, count_reg_references): Likewise.
2790 (recompute_reg_usage): Provide it.
2792 2000-04-07 Richard Henderson <rth@cygnus.com>
2794 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2797 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2799 * cpplib.c (do_elif): Skip the rest of the line if we're
2800 not going to bother evaluating it.
2801 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2802 to avoid pointless calls to the lexer.
2804 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2806 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2808 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2810 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2812 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2814 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2816 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2818 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2819 crtend so they can be multilibbed.
2820 (STAGESTUFF): Remove s-crt and s-crtS.
2822 2000-04-07 Richard Henderson <rth@cygnus.com>
2824 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2825 if we discover we need a pseudo and no_new_pseudos is true.
2826 * config/alpha/alpha.md (ne:DI insn): New.
2827 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2829 2000-04-07 Richard Henderson <rth@cygnus.com>
2831 * rtl.def (COND_EXEC): New.
2832 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2833 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2835 * genconfig.c (have_cond_arith_flag): Remove.
2836 (have_cond_exec_flag): New.
2837 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2838 (main): Print HAVE_conditional_execution.
2840 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2841 (sched_analyze_insn, print_pattern): Likewise.
2842 * reload.c (find_equiv_reg): Likewise.
2843 * rtlanal.c (reg_referenced_p): Likewise.
2844 (note_stores, dead_or_set_regno_p): Likewise.
2845 (reg_overlap_mentioned_p): Rewrite to use a switch.
2847 * ggc.h (struct rtx_def): Forward declare.
2849 * print-rtl.c (debug_rtx_range): New.
2850 * rtl.h (debug_rtx_range): Declare.
2852 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2854 * gcse.c (gcse_main): Don't rebuild the CFG here.
2855 (delete_null_pointer_checks): Likewise.
2856 * ssa.c (convert_to_ssa): Likewise.
2857 * toplev.c (rest_of_compilation): Do it here instead. Combine
2858 sequential calls to TIMEVAR. Consistently use `insns' instead of
2859 `get_insns()'. Always split insns after reload when optimizing.
2861 * basic-block.h (merge_blocks_nomove): Declare.
2862 (tidy_fallthru_edge): Declare.
2863 * flow.c (merge_blocks_nomove): Document as merging into previous
2864 blocks. Remove cruft from between blocks; remove all edges out of A.
2865 (tidy_fallthru_edge): Export.
2867 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2869 * ssa.c (compute_conservative_reg_partition): Declare with
2871 * toplev.c (clean_dump_file): Remove previously-deleted function
2872 inadvertantly merged back in.
2873 * conflict.c (conflict_graph_add): Use a single call to
2874 htab_find_slot to look up and insert.
2876 2000-04-06 Richard Henderson <rth@cygnus.com>
2878 * genrecog.c (*): Rename _last_insn to last_insn.
2879 (make_insn_sequence): Set the position of the peephole2 C test
2880 to be at the last insn.
2882 2000-04-06 Richard Henderson <rth@cygnus.com>
2884 * flow.c (compute_flow_dominators): Free worklist.
2886 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2888 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2890 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2892 * rtl.h (INSN_P): New macro.
2893 (successor_phi_fn): New typedef.
2894 (for_each_successor_phi): New prototype.
2895 (in_ssa_form): New variable.
2896 (PHI_NODE_P): Likewise.
2897 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2898 phi nodes in successors.
2899 (mark_used_regs): Add PHI case.
2900 (set_phi_alternative_reg): New function.
2901 (life_analysis): Assert that dead code elimination is not selected
2903 * toplev.c (to_ssa_time): New variable.
2904 (from_ssa_time): Likewise.
2905 (compile_file): Zero to_ssa_time and from_ssa_time.
2906 Print time to convert to and from SSA.
2907 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2908 (print_time): Compute percent fraction as integer.
2909 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2910 (convert_to_ssa): Check if we're already in SSA.
2911 Don't eliminate dead code in life_analysis.
2912 Rerun flow and life analysis at bottom.
2913 (eliminate_phi): Use canonical regnos when adding nodes.
2914 (mark_reg_in_phi): New function.
2915 (mark_phi_and_copy_regs): Likewise.
2916 (convert_from_ssa): Rerun life analysis at top.
2917 Use coalesced partition.
2918 Check for removing a phi node at the end of the block.
2919 (compute_coalesced_reg_partition): New function.
2920 (coalesce_regs_in_copies): Likewise.
2921 (coalesce_reg_in_phi): Likewise.
2922 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2923 (for_each_successor_phi): Likewise.
2924 (rename_context): New struct.
2925 (rename_block): Use a rename_context with rename_insn_1. When
2926 renaming sets of a subreg, emit a copy of the entire reg first.
2927 (rename_insn_1): Treat data as a rename_context *. Save current
2929 (rename_set_data): Add field set_insn.
2930 * Makefile.in (HASHTAB_H): Move up in file.
2931 (OBSTACK_H): New macro.
2932 (collect2.o): Use OBSTACK_H in dependencies.
2933 (sdbout.o): Likewise.
2934 (emit-rtl.o): Likewise.
2935 (simplify-rtx.o): Likewise.
2936 (fix-header.o): Likewise.
2937 (OBJS): Add conflict.o.
2938 (conflict.o): New rule.
2939 * basic-block.h: Include partition.h.
2940 (conflict_graph): New typedef.
2941 (conflict_graph_enum_fn): Likewise.
2942 (conflict_graph_new): New prototype.
2943 (conflict_graph_delete): Likewise.
2944 (conflict_graph_add): Likewise.
2945 (conflict_graph_conflict_p): Likewise.
2946 (conflict_graph_enum): Likewise.
2947 (conflict_graph_merge_regs): Likewise.
2948 (conflict_graph_print): Likewise.
2949 (conflict_graph_compute): Likewise.
2950 * conflict.c: New file.
2952 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2954 * tlink.c (read_repo_files): Don't look for .rpo info for
2957 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2959 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2961 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2963 * config/sh/lib1funcs.asm (___udivsi3_i4):
2964 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2965 only depends on FMOVD_WORKS.
2967 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2969 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2970 make double constant 8-byte aligned.
2972 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2974 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2975 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2976 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2977 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2978 Accept storing GENERAL_REGS into offsetable memory.
2979 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2980 building a TFmode constant other than 0.0L into GENERAL_REGS.
2982 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2984 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2986 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2988 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2989 (macro_cleanup): No need to cast pbuf->macro.
2990 (collect_expansion): Use _cpp_get_define_token. Goto done if
2991 it returns VSPACE. Remove check for trailing space after
2993 (_cpp_create_definition): Don't diddle flags here. Return
2995 (unsafe_chars): Handle c1 being EOF.
2996 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2997 checks. Don't push the buffer till after we're done with
2999 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3000 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3001 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3003 (_cpp_parse_assertion): Don't NUL terminate.
3004 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3005 hspace before calling _cpp_parse_assertion. Remove all sets
3006 of only_seen_white. Treat '\f' as hspace. Don't do anything
3007 special with '\n' here.
3008 (maybe_macroexpand): Handle T_EMPTY hash entries without
3009 pushing a buffer at all.
3010 (cpp_get_token): Handle clearing only_seen_white here. Handle
3011 incrementing the line number here. Clear
3012 potential_control_macro as well as only_seen_white, if
3014 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3015 (_cpp_get_define_token): New function, basically like
3016 _cpp_get_directive_token was but doesn't eat horizontal space.
3017 Don't do anything with only_seen_white here.
3018 (_cpp_get_directive_token): Just call _cpp_get_define_token
3019 repeatedly till it returns non-hspace.
3021 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3022 (conditional_skip, skip_if_group): Return int.
3023 (DIRECTIVE_TABLE): Change origin of all conditional directives
3025 (TRAD_DIRECT_P): New macro.
3026 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3027 an error for a bogus directive, unless -lang-asm. Use
3028 TRAD_DIRECT_P. Loop calling handler functions till one returns
3030 (get_macro_name): Don't diddle flags here.
3031 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3032 Create T_EMPTY nodes for #define macro /* nothing */.
3033 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3034 Use hp->name when calling pass_thru_directive.
3035 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3036 Return the result of conditional_skip and/or skip_if_group.
3037 Don't call _cpp_output_line_command.
3038 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3039 Issue -Wtraditional warnings as appropriate. Don't complain
3040 about unrecognized directives. If we are to stop skipping,
3041 return the number of the directive that ended the skip.
3042 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3043 expansion and line commands while skipping. Return the result
3044 of consider_directive_while_skipping, if nonzero.
3045 (do_endif): Just set potential_control_macro here.
3046 (validate_else): Use _cpp_get_directive_token.
3047 (do_assert, do_unassert): Don't save pointers into the
3048 token_buffer across calls to the lexer. Use
3049 _cpp_get_directive_token.
3051 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3052 pointer, not an offset. Replace 'data', which was a generic
3053 pointer, with 'macro', which points to a struct hashnode.
3054 (cpp_reader): Add 'potential_control_macro' pointer.
3055 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3056 (CPP_BUF_GET, CPP_FORWARD): Delete.
3057 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3058 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3059 ACTIVE_MARK_P): Update.
3060 (_cpp_get_define_token): New internal function.
3061 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3063 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3065 * configure.in: And here.
3066 * configure: Regenerate.
3067 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3068 --enable-libstdcxx-v3 is passed at configure time.
3069 * config.h.in: Regenerate.
3071 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3073 * final.c (final): Use xcalloc to allocate line_note_exists.
3074 * function.c (free_after_compilation): Free the temp_slots.
3075 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3076 (combine_temp_slot): Free temp_slots when they get combined.
3077 (purge_addressof): Fix typo in comment.
3078 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3079 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3081 * ggc.h: Include varray.h.
3082 (ggc_pending_trees): Declare.
3083 (ggc_mark_tree_children): Remove declaration.
3084 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3085 * ggc-common.c (ggc_pending_trees): New variable.
3086 (ggc_mark_roots): Call ggc_mark_trees.
3087 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3088 the ggc_pending_trees.
3089 * Makefile.in (GGC_H): New variable. Use it throughout in place
3092 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3094 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3097 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3099 * sh.c (sh_insn_length_adjustment): New function.
3100 * sh-protos.h (sh_insn_length_adjustment): Declare.
3101 * sh.h (ADJUST_INSN_LENGTH): Use it.
3103 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3105 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3106 from the insn where REG_RETVAL is added.
3107 (emit_no_conflict_block): Ditto.
3109 * md.texi (Standard Names): Clarify when movX is needed.
3111 * combine.c (simplify_comparison) [MINUS]: Do not replace
3112 all (op (minus A B) 0) with (op A B).
3114 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3115 J"orn Rennecke <amylaar@cygnus.co.uk>
3117 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3118 (block_lump_real): Likewise.
3120 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3122 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3123 remaining non-zero debugging masks.
3125 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3127 * basic-block.h (verify_flow_info): Declare.
3128 (flow_loop_outside_edge_p): Declare.
3129 * flow.c (verify_flow_info): Remove declaration.
3130 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3132 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3134 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3137 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3139 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3140 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3141 seqdi_zero_trunc+1): Allow splits only if registers are
3144 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3146 * acconfig.h: Add HAVE_GAS_HIDDEN.
3147 * config.in: Regenerated.
3148 * configure.in: Add test for .hidden pseudo-op in gas.
3149 * configure: Regenerated.
3150 * crtstuff.c: Include auto-host.h.
3151 Emit additional .hidden pseudo-op for __dso_handle if the
3152 assembler knows about it.
3154 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3156 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3157 before freeing argnames.
3158 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3160 2000-04-05 Michael Meissner <meissner@redhat.com>
3162 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3163 Walton <jonboy@gordian.com> to make memory references with update
3164 work wtih -mregnames.
3166 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3168 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3169 (regrename_optimize): Rename variables `def_uses' and
3170 `ext_basic_blocks' to avoid conflicts with similarly named
3171 typedefs in traditional C.
3173 * calls.c (initialize_argument_information): Fix typo in previous
3176 2000-04-04 Richard Henderson <rth@cygnus.com>
3178 * regrename.c (consider_available): Test fixed_regs not
3179 PIC_OFFSET_TABLE_REGNUM.
3181 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3183 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3185 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3186 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3187 (ENDFILE_LINUX_SPEC): Always use crtend.
3188 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3189 (powerpc-*-linux-gnu): Likewise.
3190 * configure: Regenerate.
3192 * config/rs6000/eabi.h: Don't include sysv4.h.
3193 (MULTILIB_DEFAULTS): Don't define.
3194 * config/rs6000/eabiaix.h: Don't include eabi.h.
3195 * config/rs6000/eabile.h: Delete.
3196 * config/rs6000/eabilesim.h: Delete.
3197 * config/rs6000/eabisim.h: Don't include eabi.h.
3198 * config/rs6000/linux.h: Don't include sysv4.h.
3199 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3200 (MULTILIB_DEFAULTS): Don't redefine.
3201 * config/rs6000/rtems.h: Don't include eabi.h.
3202 * config/rs6000/sol2.h: Don't include sysv4le.h.
3203 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3204 * config/rs6000/t-ppc: Delete.
3205 * config/rs6000/t-ppcgas: Correct comment.
3206 * config/rs6000/t-ppcos: Correct comment. Don't build
3207 multilibs for -fPIC, rather use -fPIC -mstrict-align
3209 * config/rs6000/t-ppc: Delete.
3210 * config/rs6000/vxppc.h: Don't include sysv4.h.
3211 * config/rs6000/vxppcle.h: Delete.
3212 * configure.in: Use multiple header files for p2pc ELF targets
3213 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3214 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3215 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3216 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3217 always available for these platforms.
3219 2000-04-04 Richard Henderson <rth@cygnus.com>
3221 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3223 2000-04-04 Stan Cox <scox@cygnus.com>
3225 * Makefile.in: Add rules for regrename.o
3226 * regrename.c: New file.
3227 * rtl.h (regrename_optimize): Add prototype.
3228 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3229 (compile_file, decode_d_option): Add support for -frename-registers.
3230 (rest_of_compilation): Call regrename_optimize.
3231 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3234 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3236 * Makefile (gccbug): New target.
3237 (doc): Depend on it.
3238 * gcc.texi (Bugs): Link subnodes.
3240 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3241 Document severities, priorities, and classes in bug form.
3243 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3245 * cpplex.c (trigraph_map, speccase): Combine into single
3247 (NORMAL, NONTRI): New macros.
3248 (_cpp_read_and_prescan): Change to use unified table. Use
3249 is_hspace to test for whitespace.
3251 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3252 definition that doesn't provoke the "empty body in an
3253 if-statement" warning.
3255 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3257 * builtins.c (expand_builtin_strlen): Force the source to
3258 be a memory address.
3260 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3262 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3264 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3266 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3267 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3268 (ECF_IS_CONST): Rename to ECF_CONST.
3269 (special_function_p): Make static, change interface.
3270 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3271 (expand_call) ... here; convert number of variables to flags.
3272 (emit_library_call_vlue_1): Likewise.
3273 (setjmp_call_p): New function.
3274 (initialize_argument_information): Accepts flags as argument;
3276 (precompute_arguments): Likewise.
3277 * tree.h (special_function_p): Remove.
3278 (setjmp_call_p): Add prototype.
3280 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3282 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3283 so that addresses are offsetable by up to 16 bytes.
3284 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3285 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3288 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3289 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3290 (movsf): Don't force any constant to memory if target is integer
3292 Move fp_zero_operand check below the const0_rtx check.
3293 (movtf): Likewise. Also allow fp_zero_operand for stores into
3295 (movdf): Likewise. Also allow fp_zero_operand for stores into
3296 memory and into integer hard registers.
3297 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3298 movdf_const_intreg_sp64): Remove.
3299 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3301 (movdf_no_e_insn_v9_sp32): New pattern.
3302 (movdf_insn_v9only): Remove.
3303 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3304 (movdf_insn_sp64): Remove.
3305 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3306 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3307 (following splits): Rewrite conditions. Add two new splits
3308 for storing 0.0 into memory and registers.
3309 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3310 (movtf_insn_sp32): Redo constraints and conditions.
3311 (movtf_insn_vis_sp32): New pattern.
3312 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3313 (movtf_insn_hq_sp64): Likewise.
3314 (movtf_insn_hq_vis_sp64): New pattern.
3315 (movtf_insn_sp64): Redo constraints and conditions.
3316 (movtf_insn_vis_sp64): New pattern.
3317 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3318 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3320 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3321 -mvis or -m64 to take down the number of various reload patterns.
3323 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3325 * pa/pa-64.h: New file.
3326 * pa/pa64-regs.h: New file.
3327 * pa/pa64-start.h: New file.
3328 * pa/t-pa64: New file.
3329 * pa/xm-pa64hpux.h: New file.
3331 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * sparc.c (output_restore_regs): Prototype.
3334 (sparc_emit_float_lib_cmp): Constification.
3336 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3338 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3341 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3342 (get_value_hash, hash_rtx): Likewise.
3344 * ssa.c (compute_conservative_reg_partition): Prototype.
3346 * tree.c (mark_hash_entry): Prototype.
3348 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3350 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3351 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3352 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3354 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3355 * objc/lang-specs.h: Likewise.
3357 2000-04-03 Neil Booth <NeilB@earthling.net>
3359 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3360 and SYNTAX_ERROR2. Replace `' in messages with ''.
3361 (op_to_str): Make re-entrant.
3362 (_cpp_parse_expr): Implement new error macros. Use | rather
3363 than || to logically or 2 boolean integers. Simply expression
3364 checking we have a left operand iff needed.
3366 2000-04-03 Nick Clifton <nickc@cygnus.com>
3368 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3370 2000-04-03 Philip Blundell <philb@gnu.org>
3372 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3374 2000-04-03 Felix Lee <flee@cygnus.com>
3376 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3377 (run_shell): Use it.
3379 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3381 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3382 (stmp-fixproto): ...rather than here.
3384 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3386 * pa.c (print_operand): Compute 'base' only inside the code paths
3389 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3391 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3394 2000-04-03 Philipp Thomas <pthomas@suse.de>
3396 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3398 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3400 * Makefile.in (alias.o): Depend on $(TREE_H).
3402 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3404 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3406 * cpplib.c (_cpp_handle_directive): Improve warnings for
3407 traditional C and indented directives.
3409 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3410 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3411 fixinc/inclhack.def: Indent the # of #include_next one space.
3412 * cp/rtti.c: Un-indent #if and #endif.
3414 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3415 syntax error, but an error has already been printed.
3416 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3417 message when called with nothing remaining on the line.
3418 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3419 OTHER token, not an ASSERTION.
3420 * cpplib.c (do_assert): When we create a 'base' node, clear
3421 its aschain pointer.
3423 2000-04-02 Neil Booth <NeilB@earthling.net>
3425 * cppexp.c: New typedef op_t. struct operation and struct
3426 token updated to use it.
3427 (op_to_str): New function.
3428 (_cpp_parse_expr): Error messages modified to use op_to_str.
3430 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3432 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3433 before checking MUST_PASS_IN_STACK.
3435 2000-04-02 Neil Booth <NeilB@earthling.net>
3437 * cppexp.c: New FINISHED dummy token. Combine operator initial
3438 flags and initial priority into a single constant. New
3439 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3440 (_parse_cpp_expr): Implement new constants. Take left operand
3441 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3442 parse indicated by reducing FINISHED token. Remove new lines
3443 from cpp_error messages.
3445 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3447 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3450 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3452 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3453 directive. Add origin values to DIRECTIVE_TABLE. Generate
3454 the strings and function names on the fly. Take the #sccs
3455 entry out of the table if SCCS_DIRECTIVE is not defined.
3456 (_cpp_handle_directive): Decide if the # was at the beginning
3457 of the line here. Issue -pedantic warnings for extended
3458 directives here. Warn about K+R directives with the #
3459 indented, and C89/extended directives with the # not indented,
3461 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3462 do_assert, do_unassert): Don't issue pedantic warning here.
3464 * cpphash.h: Add CPP_WTRADITIONAL macro.
3465 * cpplib.h (struct cpp_options): Rename warn_stringify to
3466 warn_traditional; update comments.
3467 * cppinit.c (handle_option): Set warn_traditional not
3469 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3470 CPP_WTRADITIONAL (pfile).
3471 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3472 be ignored in -traditional mode here.
3474 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3475 to initialize speccase[] and trigraph_map[]. Delete all
3476 references to pfile->input_speccase. Always treat '?' as a
3477 special character. Remove table-initialization code from
3478 _cpp_init_input_buffer.
3480 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3481 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3483 2000-04-01 Richard Henderson <rth@cygnus.com>
3485 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3486 (mostlyclean): Likewise.
3488 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3489 (struct dump_file_info, enum dump_file_index, dump_file): New.
3490 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3491 not a string. Clean out file if we havn't yet done so. Do nothing
3492 if the dump isn't enabled.
3493 (close_dump_file): Do nothing if the dump isn't open. Dump
3494 graph data if requested.
3495 (dump_rtl, clean_dump_file): Remove.
3496 (compile_file): Don't clean the dump files. Only finalize .bp dump
3497 if flag_test_coverage or flag_branch_probabilities. Only finalize
3498 .combine dump if optimizing. Iterate over dump_file to finalize the
3500 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3501 Convert all uses of dump_rtl.
3502 (decode_d_option): Iterate over dump_file to implement 'a' and to
3503 locate pass-specific dumps.
3505 2000-04-01 Neil Booth <NeilB@earthling.net>
3507 * cppexp.c: Redefine priority constants.
3508 (_cpp_parse_expr): Replace left and right priority scheme with
3509 single priority logic. Move LOGICAL to same place as COMPARE.
3510 Remove bogus check for multiple unary +/- operators.
3512 2000-04-01 Neil Booth <NeilB@earthling.net>
3514 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3515 within the switch statement. Binary operations break out of
3516 the switch naturally. '(' tokens handled by forcing
3517 immediate shift. ')' handled by forcing immediate reduce to
3518 the previous '('. New error messages.
3520 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3522 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3523 part', it's already in use. Use %K instead. Add a return at the
3524 end of what is now %K.
3525 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3527 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3529 * builtins.c (expand_builtin_apply): Pass proper parameters to
3530 allocate_dynamic_stack_space.
3531 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3532 update stack_pointer_delta; do not update arg_size_so_far.
3533 (compute_argument_block_size): Use stack_delta instead of
3534 stack_pointer_pending and arg_size_so_far.
3535 (expand_call): Add sanity checking for stack_pointer_delta;
3536 save and restore stack_pointer_delta for SIB, use
3537 stack_pointer_delta for alignment; do not update arg_space_so_far.
3538 (emit_library_call_value): Use stack_pointer_delta for alignment.
3539 (store_one_arg): Do not update arg_space_so_far.
3540 * explow.c (adjust_stack, anti_adjust_stack): Update
3541 stack_pointer_delta.
3542 (allocate_dynamic_stack_space): Add sanity checking for
3543 stack_pointer_delta.
3544 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3545 stack_pointer_delta.
3546 (emit_push_insn): Update stack_pointer_delta.
3547 * function.h (struct expr_status): Add x_stack_pointer_delta;
3548 remove x_arg_space_so_far.
3549 (arg_space_so_far): Remove.
3550 (stack_pointer_delta): New macro.
3552 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3554 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3555 Reorder struct cpp_options and struct cpp_reader for better
3556 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3557 takes two args. Change all 'char' flags to 'unsigned char'.
3558 Move show_column flag into struct cpp_options. Don't
3559 prototype cpp_options_init.
3560 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3561 cppinit.c, cpplex.c, cpplib.c:
3562 Replace CPP_OPTIONS (pfile)->whatever with
3563 CPP_OPTION (pfile, whatever), and likewise for
3564 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3566 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3567 Extract CPP_OPTION (pfile, pending) and work with that
3569 (cpp_options_init): Delete.
3570 (cpp_reader_init): Turn on on-by-default options here.
3571 Allocate the pending structure here.
3572 (cl_options, enum opt_code): Define these from the same table,
3573 kept in a large macro. Add -fshow-column and -fno-show-column
3576 * cpperror.c (v_message): If show_column is off, don't print
3579 * cppmain.c: Update for new interface.
3580 * fix-header.c: Likewise.
3582 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3584 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3586 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3587 are passed to any invocation of AR_FOR_TARGET.
3588 (AR_CREATE_FOR_TARGET): New macro.
3589 (AR_EXTRACT_FOR_TARGET): New macro.
3590 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3591 AR_EXTRACT_FOR_TARGET.
3592 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3593 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3594 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3595 AR_EXTRACT_FOR_TARGET to sub-makes.
3597 2000-03-31 Neil Booth <NeilB@earthling.net>
3599 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3601 (_cpp_parse_expr): Check for multiple unary +/- operators.
3602 Correct priorities of ':' and '?'. Treat ')' as having a
3603 value. Ensure conditional expression is not void.
3605 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3607 * alias.c (canon_rtx): Make it global.
3608 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3610 * cse.c (struct table_elt): Add canon_exp.
3612 (invalidate): Canonicalize expressions only once.
3613 * rtl.h (canon_rtx): Declare.
3615 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3617 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3618 * alias.c (reg_known_value): Add comments.
3619 (init_alias_analysis): Likewise.
3620 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3622 (cse_basic_block): Fix typo in comment.
3623 * emit-rtl.c: Include hashtab.h.
3624 (const_int_htab): New variable.
3625 (const_int_htab_hash): New function.
3626 (const_int_htab_eq): Likewise.
3627 (rtx_htab_mark_1): Likewise.
3628 (rtx_htab_mark): Likewise.
3629 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3630 (unshare_all_rtx): Fix formatting.
3631 (init_emit_once): Initialize const_int_htab.
3632 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3634 * rtl.texi: Document the fact that all CONST_INTs with the same
3637 2000-03-30 Richard Henderson <rth@cygnus.com>
3639 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3641 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3643 * configure.in: Comment out --enable-c-cpplib stanza.
3644 * configure: Regenerate.
3646 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3648 * expr.c (store_constructor): Properly compute displacement and
3649 alignment when offset is variable.
3651 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3652 cases of alignment in bytes.
3654 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3656 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3657 since it is used to generate c-parse.y.
3658 * objc-parse.c, objc-parse.y: Regenerated.
3660 * function.c (expand_function_end): Pass alignment argument to
3661 emit_block_move in bits, not bytes.
3663 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3665 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3668 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3670 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3671 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3672 * function.c (assign_parms): Likewise.
3673 * integrate.c (expand_inline_function): Likewise.
3674 * stmt.c (expand_decl): Likewise.
3675 (copy_rtx_and_substitute): Likewise.
3676 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3677 (clear_by_pieces): Fix error in last change.
3678 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3679 * function.h (regno_pointer_align): Now unsigned.
3680 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3682 * config/i386/i386.c (aligned_operand): Likewise.
3683 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3684 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3685 (unaligned_memory_operand): Likewise.
3686 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3687 Also make alignments and sizes unsigned and some whitespace cleanup.
3688 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3690 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3691 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3692 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3693 (expand_builtin_memset): Likewise, but to clear_storage.
3694 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3695 (restore_fixed_argument_area): Likewise.
3696 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3697 (load_register_parameters): Likewise, to emit_group_load.
3698 (expand_call): Likewise, to emit_group_store and emit_block_move.
3699 (emit_library_call_value_1): Likewise, to emit_block_move.
3700 (store_one_arg): Likewise, and to emit_push_insn.
3701 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3702 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3703 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3704 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3705 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3706 (expand_assigment, store_expr, store_constructor_field): Likewise.
3707 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3708 (store_constructor, store_field, get_inner_reference): Likewise.
3709 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3710 (expand_expr, case COMPONENT_REF): Likewise.
3711 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3712 and positions; reindent code.
3713 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3714 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3715 (assign_parms): Likewise to emit_group_store.
3716 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3717 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3718 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3719 (expand_return): Likewise to {extract,store}_bit_field.
3720 * stor-layout.c (get_mode_alignment): Minor cleanup.
3721 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3722 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3724 2000-03-29 Nick Clifton <nickc@cygnus.com>
3726 * config/arm/arm.h: Undo effects of previous delta:
3727 (ASM_SPEC): Do not define.
3728 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3730 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3733 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3735 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3736 only after reading in the primary source file.
3738 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3740 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3741 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3742 or a reference to a va_list.
3743 * builtins.c (stabilize_va_list): Simplify now we don't have to
3744 work around C array address decay.
3745 * c-typeck.c (convert_for_assignment): Handle assignment to
3746 a reference parameter by taking the address of the RHS.
3747 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3748 (va_copy): Likewise.
3749 (__va_copy): Likewise.
3750 * ginclude/varargs.h (va_start): Likewise.
3751 (__va_copy): Likewise.
3753 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3755 * i386/djgpp.h: Remove extraneous "+".
3757 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3759 * calls.c (expand_call): Fix typo in last change.
3761 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3763 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3766 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3768 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3769 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3770 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3771 * tree.c (bit_position, byte_position): Likewise.
3772 * tree.h: Declare new functions.
3774 2000-03-29 Nick Clifton <nickc@cygnus.com>
3776 * config/arm/arm.c: Minor formatting changes/
3777 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3779 (ASM_SPEC): Define if not already defined.
3781 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3783 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3786 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3788 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3789 value, don't output it as unsigned.
3791 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3793 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3795 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3797 * c-common.c (c_common_nodes_and_builtins): Don't special case
3798 cplus_mode when declaring builtin bzero/bcmp, always avoid
3799 prototype arguments.
3801 2000-03-29 Bruce Korb <bkorb@gnu.org>
3803 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3806 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3808 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3809 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3810 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3811 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3812 (save_fixed_argument_area, restore_fixed_argument_area):
3813 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3814 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3815 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3816 (precompute_register_parameters): Avoid #ifdefs on
3817 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3818 (stire_one_args): Likewise.
3819 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3820 (emit_library_call_value_1): Likewise.
3821 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3822 ACCUMULATE_OUTGOING_ARGS.
3823 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3825 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3826 (use_crosses_set_p): Likewise.
3827 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3828 #define ACCUMULATE_OUTGOING_ARGS 1.
3829 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3831 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3833 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3834 (TARGET_SWITCHES): Add push-args, no-push-args,
3835 accumulate-outgoing-args and no-accumulate-outgoing-args.
3836 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3837 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3838 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3840 (emit_push_insn): Likewise.
3841 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3842 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3843 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3844 (STACK_DYNAMIC_OFFSET): Define correctly for both
3845 ACCUMULATE_OUTGOING_ARGS and normal mode.
3846 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3847 * tm.texi (PUSH_ARGS): Document.
3848 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3850 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3852 * flags.h (flag_optimize_sibling_calls): Declare.
3853 * calls.c (expand_call): Fail sibcall when
3854 !flag_optimize_sibling_calls
3855 * invoke.texi (flag_optimize_sibling_calls): Document.
3856 * toplev.c (flag_optimize_sibling_calls): New global variable.
3857 (f_options): Add flag_optimize_sibling_calls.
3858 (rest_of_compilation): Conditionize
3859 optimize_sibling_and_tail_recursive_calls by
3860 flag_optimize_sibling_calls.
3861 (main): Set flag_optimize_sibling_calls for -O2.
3862 * stmt.c (expand_return): Conditionize tail recursion by
3863 flag_optimize_sibling_calls.
3865 2000-03-29 Richard Henderson <rth@cygnus.com>
3867 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3868 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3870 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3872 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3874 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3876 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3878 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3879 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3880 * config/rs6000/aix.h: then modified likewise.
3882 2000-03-28 Richard Henderson <rth@cygnus.com>
3884 * rtl.h: Redistribute enum reg_note documentation.
3885 Kill trailing whitespace.
3886 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3887 Kill trailing whitespace.
3889 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3891 * cppfiles.c (hash_IHASH): Just return i->hash.
3892 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3893 htab_find_with_hash.
3894 (cpp_read_file): Likewise.
3895 (find_include_file): Likewise. Properly initialize
3896 ih->nshort. Share ih->name and ih->nshort if possible.
3897 * cpphash.c (_cpp_calc_hash): New function.
3898 (hash_HASHNODE): Just return h->hash.
3899 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3900 htab_find_with_hash.
3901 * cpphash.h: Prototype _cpp_calc_hash.
3902 * cppinit.c (initialize_builtins): Provide a valid hash
3903 to _cpp_make_hashnode, using _cpp_calc_hash.
3905 * cpphash.c (collect_expansion): # is not a special character
3906 in object-like macros. In -traditional mode, /**/ is not
3907 token paste at the beginning or end of the line.
3908 * cpplib.c (do_include, do_import, do_include_next): If
3909 parse_include fails, return immediately.
3911 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3913 * config/arm/arm.md (return peepholes): Update to reflect the new
3915 * config/arm/arm.c (arm_volatile_func): Also check
3916 current_function_nothrow.
3917 (output_return_instruction, output_func_prologue): Use it.
3918 (arm_output_epilogue, arm_expand_prologue): Likewise.
3920 2000-03-27 Tom Tromey <tromey@cygnus.com>
3922 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3925 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3927 * expr.c (store_constructor): SIZE now signed.
3928 For EXPR_SIZE, don't evaluate size; just needed if constant.
3929 * fold-const.c (fold): Fix a number of cases when folded tree is
3931 * function.c (flush_addressof): Reenable.
3932 * tree.h (flush_addressof): Likewise.
3933 * toplev.c (independent_decode_option): Look at strings_processed.
3934 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3936 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3938 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3939 Allow stack adjustment after function call.
3941 * regmove.c (struct csa_memlist): Make mem field rtx *.
3942 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3943 (try_apply_stack_adjustment): Replace whole MEM rtx.
3944 (combine_stack_adjustments_for_block): Update calls
3945 to record_one_stack_ref.
3947 2000-03-28 Neil Booth <NeilB@earthling.net>
3949 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3950 '\\' rather than a null character, so nulls are not special. Fix
3951 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3952 speed trigraph conversion.
3953 (_cpp_init_input_buffer): Initialize trigraph map.
3955 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3957 * config/i386/i386.c (output_387_binary_op): Correct intel
3958 mode assembly output, and add spaces after commas in AT&T
3959 output. Correct Unixware assembler comment. Document input
3960 constraints. Comment fp operations. Reduce profligate buffer
3961 size. Remove extraneous abort. Localize temp var.
3962 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3963 (output_fix_trunc): Add spaces after commas in assembly output.
3965 2000-03-27 Richard Henderson <rth@cygnus.com>
3967 * i386-protos.h (ix86_match_ccmode): Declare.
3968 * i386.c (ix86_match_ccmode): New.
3969 (ix86_expand_fp_compare): Update for pattern renames.
3970 (ix86_expand_strlensi_unroll_1): Likewise.
3971 * i386.h (EXTRA_CC_MODES): Add CCZ.
3972 (SELECT_CC_MODE): Use it for EQ/NE zero.
3973 * i386.md (cmpsi_ccz_1): New.
3975 (*testsi_ccz_1): New.
3976 (testqi_ccz_1): New.
3977 (cmpsi_ccno_1): Rename from cmpsi_0.
3978 (testsi_ccno_1): Rename from testsi_1.
3979 (testqi_ccno_1): Rename from testqi_1.
3980 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3981 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3982 (*cmphi_0): Use ix86_match_ccmode.
3983 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3984 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3985 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3986 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3987 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3988 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3989 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3990 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3991 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3992 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3993 (appropriate peepholes): Likewise.
3994 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3995 (*subsi_3, *subhi_3, *subqi_3): Remove.
3996 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3997 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3998 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3999 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4000 (x86_shift_adj_1): Use CCZ.
4001 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4003 2000-03-27 Stan Cox <scox@cygnus.com>
4005 * resource.h (mark_resource_type): New.
4006 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4007 find_free_register): Use mark_resource_type.
4008 (mark_set_resources): Change include_delayed_effects
4009 to mark_resource_type.
4010 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4011 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4012 Use mark_resource_type.
4014 2000-03-27 Richard Henderson <rth@cygnus.com>
4016 * i386.md (call_pop_0, call_value_pop_0): New.
4017 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4018 (call_value_pop_1): Likewise.
4019 (call_0, call_value_0): New.
4020 (call_1, call_value_1): Remove constraint from unused arg.
4022 2000-03-27 Nick Clifton <nickc@cygnus.com>
4024 * invoke.texi (Spec Files): Document new spec % command created by
4025 Tom Tromey's recent patch.
4027 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4029 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4032 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4034 * expr.c (expand_assignment): Fix typo in last change.
4036 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4038 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4040 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4041 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4042 and DECL_INLINE if FUNCTION_DECL.
4043 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4044 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4045 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4046 (combine_parm_decls): Likewise.
4047 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4048 * print-tree.c (print_node): Likewise.
4049 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4050 DECL_TRANSPARENT_UNION on proper decl types.
4051 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4052 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4053 DECL_BIT_FIELD of FIELD_DECL.
4054 * tree.h (DECL_RESULT_FLD): New macro.
4056 * expr.c (expand_assignment): Add code to handle variable-sized
4059 2000-03-26 Richard Henderson <rth@cygnus.com>
4061 * calls.c (expand_call): Pass parms not original exp to
4062 optimize_tail_recursion. Mind return value instead of looking
4064 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4065 call_expr. Move checks for call_expr and current_function_decl ...
4066 (expand_return): ... here.
4068 2000-03-26 Tom Tromey <tromey@cygnus.com>
4070 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4071 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4073 (process_command): Use them.
4074 (check_live_switch): Likewise.
4075 (give_switch): Skip ignored switches.
4077 2000-03-26 Jan Hubicka <jh@suse.cz>
4079 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4080 for minimal jump pass test.
4082 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4084 * integrate.c (function_cannot_inline_p): Do inline functions that
4087 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4089 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4090 now a list of TREE_LIST entries, not types.
4091 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4093 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4094 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4096 * config/mips/mips.c (function_arg): Likewise; also remove cast
4097 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4098 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4099 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4100 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4101 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4102 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4103 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4104 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4105 num_adjusts now unsigned.
4106 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4107 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4109 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4110 as is BITPOS variable; use host_integerp and int_bit_position.
4111 (function_arg_record_value_2): Likewise.
4112 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4113 Variable REGNO now unsigned.
4114 (function_arg_record_value): NREGS now unsigned.
4116 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4118 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4120 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4122 * Rework fields used to describe positions of bitfields and
4123 modify sizes to be unsigned and use HOST_WIDE_INT.
4124 * alias.c (reg_known_value_size): Now unsigned.
4125 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4126 (really_start_incremental_init): Use bitsize_zero_node.
4127 (push_init_level, pop_init_level, output_init_element): Likewise.
4128 Use bitsize_unit_node and bitsize_one_node.
4129 (output_pending_init_elements, process_init_element): Likewise.
4130 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4131 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4132 HOST_WIDE_INT, respectively.
4133 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4134 (num_sign_bit_copies): Returns unsigned.
4135 BITWIDTH now unsigned; rework arithmetic.
4136 Remove recursive call from arg to MAX.
4137 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4138 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4140 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4141 (find_split_point, expand_compound_operation, make_extraction): LEN
4142 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4143 (make_field_assignment): Likewise.
4144 (combine_simplify_rtx): Add cast.
4145 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4146 (force_to_mode): WIDTH now unsigned; add cast.
4147 (if_then_else_cond): SIZE now unsigned.
4148 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4149 (extended_count): Now returns unsigned.
4150 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4151 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4152 (simplify_comparison): MODE_WIDTH now unsigned.
4153 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4154 (mark_used_regs_combine): Likewise; rework arithmetic.
4155 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4156 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4157 (record_promoted_value): REGNO now unsigned.
4158 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4159 (get_last_value): REGNO now unsigned.
4160 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4161 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4162 (remove_death): Arg REGNO now unsigned.
4163 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4164 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4166 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4167 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4168 (struct cse_reg_info): REGNO now unsigned.
4169 (cached_regno): Now unsigned.
4170 (REGNO_QTY_VALID_P): Add cast.
4171 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4172 (remove_invalid_regs): Likewise.
4173 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4174 as are variables END and I.
4175 (get_cse_reg_info, insert): Likewise.
4176 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4177 (canon_hash): Likewise.
4178 (insert_regs, lookup_for_remove): REGNO now unsigned.
4179 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4181 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4182 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4183 * emit-rtl.c (subreg_realpart_p): Add cast.
4184 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4185 (operand_subword_force): Arg I is now unsigned.
4186 * except.c (eh_regs): Variable I is now unsigned.
4187 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4188 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4189 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4190 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4191 (extract_split_bit_field, store_bit_field, extract_bit_field):
4193 * expr.c (store_constructor_fields, store_constructor, store_field):
4194 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4195 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4196 (do_jump): Likewise.
4197 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4198 MAX_SIZE is now unsigned.
4199 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4200 (emit_group_store): Likewise.
4201 (emit_move_insn): I now unsigned.
4202 (store_constructor): Use host_integerp, tree_low_cst, and
4204 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4205 Rework all calculations to use trees and new fields.
4206 * expr.h (promoted_input_arg): Regno now unsigned.
4207 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4208 (mark_seen_cases): Arg is HOST_WIDE_INT.
4209 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4210 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4211 precisions and alignments are unsigned.
4212 (optimize_bit_field_compare, fold_truthop): Likewise.
4213 (int_const_binop): Adjust threshold for size_int_type_wide call.
4214 (fold_convert): Likewise.
4215 (size_int_type_wide): Make table larger and fix thinko that only
4216 had half of table used.
4217 (all_ones_mask_p, fold): Precisions are unsigned.
4218 * function.c (put_reg_info_stack): REGNO is unsigned.
4219 (instantiate_decl): Size is HOST_WIDE_INT.
4220 (instantiate_virtual_regs): I is unsigned.
4221 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4222 (promoted_input_arg): REGNO is unsigned.
4223 * function.h (struct function): x_max_parm_reg is now unsigned.
4224 * gcse.c (max_gcse_regno): Now unsigned.
4225 (struct null_pointer_info): min_reg and max_reg now unsigned.
4226 (lookup_set, next_set): REGNO arg now unsigned.
4227 (compute_hash_table): REGNO and I now unsigned.
4228 (handle_avail_expr): regnum_for_replacing now unsigned.
4229 (cprop_insn): REGNO now unsigned.
4230 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4231 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4232 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4233 * hard-reg-set.h (reg_class_size): Now unsigned.
4234 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4235 * jump.c (mark_modified_reg): I now unsigned; add cast.
4236 (rtx_equal_for_thread_p): Add cast.
4237 * loop.c (max_reg_before_loop): Now unsigned.
4238 (struct_movable): REGNO now unsigned.
4239 (try_copy_prop): REGNO arg unsigned.
4240 (regs_match_p): XN and YN now unsigned.
4241 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4242 (strength_reduce): Likewise; NREGS also unsigned.
4243 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4244 * loop.h (struct iv_class): REGNO now unsigned.
4245 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4247 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4248 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4249 * optabs.c (expand_binop): I and NWORDS now unsigned.
4250 (expand_unop): I now unsigned.
4251 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4252 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4253 * real.c (significand_size): Now returns unsigned.
4254 * real.h (significand_size): Likewise.
4255 * regclass.c (reg_class_size): Now unsigned.
4256 (choose_hard_reg_mode): Both operands now unsigned.
4257 (record_reg_classes): REGNO and NR now unsigned.
4258 (reg_scan): NREGS now unsigned.
4259 (reg_scan_update): old_max_regno now unsigned.
4260 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4261 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4262 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4263 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4264 Likewise for variable R.
4265 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4266 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4267 (find_equiv_reg): Add casts.
4268 (regno_clobbered_p): Arg REGNO now unsigned.
4269 * reload.h (struct reload): NREGS now unsigned.
4270 (refers_to_regno_for_reload_p): Regno args are unsigned.
4271 (regno_clobbered_p): Likewise.
4272 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4273 (compute_use_by_pseudos): REGNO now unsigned.
4274 (find_reg): I and J now unsigned, new variable K, and change loop
4275 variables accordingly; THIS_NREGS now unsigned.
4276 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4277 (spill_hard_reg): REGNO arg now unsigned; add casts.
4278 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4279 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4280 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4281 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4282 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4283 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4284 (emit_reload_insns): REGNO now unsigned.
4285 (reload_cse_move2add): Add cast.
4286 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4288 * resource.c (mark_referenced_resources, mark_set_resources): New
4289 variable R; REGNO and LAST_REGNO now unsigned.
4290 (mark_target_live_regs): J and REGNO now unsigned.
4291 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4292 * rtl.h (union rtunion_def): New field rtuint.
4293 (XCUINT): New macro.
4294 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4295 (operand_subword, operand_subword_force): Word number is unsigned.
4296 (choose_hard_reg_mode): Operands are unsigned.
4297 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4298 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4299 (regno_use_in, combine_instructions, remove_death): Likewise.
4300 (reg_scan, reg_scan_update): Likewise.
4301 (extended_count): Return is unsigned.
4302 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4303 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4304 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4305 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4306 (reg_reg_last_1): FIRS and LAST now unsigned.
4307 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4308 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4310 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4311 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4312 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4313 (replace_regs): Arg NREGS now unsigned.
4314 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4315 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4316 (simplify_binary_operation): Likewise.
4317 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4318 THIS_LAST now unsigned.
4319 (cselib_record_set): Add cast.
4320 * ssa.c (ssa_max_reg_num): Now unsigned.
4321 (rename_block): REGNO now unsigned.
4322 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4324 (all_cases_count): Just return -1 not -2.
4325 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4326 Rework tests to use trees whenever possible.
4327 Use host_integerp and tree_low_cst.
4328 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4329 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4330 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4331 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4332 (smallest_mode_for_size): Likewise.
4333 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4334 KNOWN_ALIGN is now an alignment, so simplify code.
4335 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4336 (start_record_layout): Renamed from new_record_layout_info.
4337 Update to new fields.
4338 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4340 (place_union_field): Renamed from layout_union_field.
4341 Update to use new fields in rli.
4342 (place_field): Renamed from layout_field.
4343 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4344 (finalize_record_size): Rework to use new fields in rli and handle
4346 (compute_record_mode): Rework to simplify and to use new DECL fields.
4347 (finalize_type_size): Make rounding more consistent.
4348 (finish_union_layout): Deleted.
4349 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4350 (layout_type, case RECORD_TYPE): Call new function names.
4351 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4352 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4353 (get_best_mode): UNIT is now unsigned; remove casts.
4354 * tree.c (bit_position): Compute from new fields.
4355 (byte_position, int_byte_position): New functions.
4356 (print_type_hash_statistics): Cast to remove warning.
4357 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4358 (build_index_type): Likewise; make subtype of sizetype.
4359 (build_index_2_type): Pass sizetype to build_range_type.
4360 (build_common_tree_nodes): Use size_int and bitsize_int to
4361 initialize nodes; add bitsize_{zero,one,unit}_node.
4362 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4363 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4364 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4365 (DECL_FIELD_BITPOS): Deleted.
4366 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4367 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4368 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4369 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4370 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4371 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4372 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4373 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4374 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4375 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4376 (DECL_ALIGN): Adjust to new field in union.
4377 (DECL_OFFSET_ALIGN): New field.
4378 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4379 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4380 (union tree_decl): Add struct for both aligns.
4381 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4382 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4383 (struct record_layout_info): Rework fields to have offset
4384 alignment and byte and bit position.
4385 (start_record_layout, place_field): Renamed from old names.
4386 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4387 (byte_position, int_byte_position): Likewise.
4388 (get_inner_reference): Change types of position and length.
4389 * unroll.c (unroll_loop): New variable R; use for some loops.
4390 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4391 (calculate_giv_inc): Arg REGNO now unsigned.
4392 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4393 * varasm.c (assemble_variable): Clean up handling of size using
4394 host_integerp and tree_low_cst.
4395 (decode_addr_const): Use byte, not bit, position.
4396 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4397 use tree_low_cst and int_bit_position.
4398 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4400 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4402 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4403 (reorder_block_def): New members eff_head and eff_end.
4404 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4405 (verify_insn_chain): New function.
4406 (skip_insns_between_block): Add code to skip deleted insns.
4407 Check for note before using.
4408 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4409 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4410 Check for note before using.
4411 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4412 (fixup_reorder_chain): Restructure, clean up, defect removal.
4413 (reorder_basic_blocks): Remove last_insn and references to it.
4414 Moved insn chain verification code into a new function (see above).
4415 Delete defective code that sets last insn.
4416 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4419 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4421 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4423 2000-03-24 Richard Henderson <rth@cygnus.com>
4425 * tree.c (lang_safe_for_unsave): Remove.
4426 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4427 allowing for two levels of unsafeness. Remove lang hook.
4428 * tree.h: Update declarations.
4429 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4430 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4431 Always fail sibcalls when there are pending cleanups.
4433 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4435 * flow.c (propagate_block): When we delete an ADDR_VEC,
4436 also delete the BARRIER following it if there is one.
4438 2000-03-24 Richard Henderson <rth@cygnus.com>
4440 * builtins.c (expand_builtin_bzero): Convert `length' argument
4443 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4445 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4446 comparison if regno's are equal.
4447 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4448 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4449 (expand_call): Update caller.
4450 Avoid making a sibling call if argument size of the callee is larger
4451 than argument size of the caller.
4452 Call hard_function_value with outgoing set if in sibcall pass.
4453 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4455 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4456 Change LEAF_REGISTERS from an array initializer to actual array
4457 identifier. Move static global variable into the function.
4458 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4459 sequences for leaf functions.
4460 * global.c (global_alloc): Likewise.
4461 * tm.texi (LEAF_REGISTERS): Update documentation.
4463 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4464 TARGET_FLAT leaf disabling hack.
4465 (LEAF_REGISTERS): Changed from an array initializer to actual array
4466 identifier to avoid duplication and remove the above hack.
4467 (FUNCTION_OK_FOR_SIBCALL): Define.
4468 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4469 always like call attribute.
4470 (eligible_for_sibcall_delay): New attribute.
4471 (sibcall): New delay type.
4472 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4473 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4474 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4475 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4476 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4478 (output_function_epilogue): Move part of the code into
4479 output_restore_regs.
4480 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4482 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4485 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4486 until infrastructure is finished.
4488 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4490 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4491 (save_parm_insns): Not here.
4493 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4495 * builtins.c (expand_builtin_bzero): New function.
4496 (expand_builtin): Handle bzero.
4498 * builtins.def: Add BUILT_IN_BZERO.
4500 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4501 prototype & function for bzero.
4503 2000-03-23 Michael Meissner <meissner@redhat.com>
4505 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4506 change adding TARGET_FP to the TF floating point insns, except for
4507 trunctfsf2, which generates direct calls to truncdfsf2.
4509 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4511 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4512 try to protect against middle-end changes that break binary
4514 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4516 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4518 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4520 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4522 * calls.c (expand_call): If TARGET is passed by reference and
4523 is readonly, write a CLOBBER.
4525 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4527 * builtins.c (expand_builtin): Handle bcmp.
4529 * builtins.def: Add BUILT_IN_BCMP.
4531 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4532 prototype & function for bcmp.
4534 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4536 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4537 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4538 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4540 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4542 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4543 alternative when using -fp64 -gp32.
4545 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4547 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4548 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4549 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4551 * frame.h (frame_state): Revert last change.
4552 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4553 * libgcc2.c (throw_helper): Revert last change.
4555 2000-03-22 Richard Henderson <rth@cygnus.com>
4557 * stmt.c (expand_asm_operands): Don't promote the temporary.
4559 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4561 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4562 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4563 c_get_alias_set): Likewise.
4564 * c-decl.c (duplicate_decls): Likewise.
4565 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4566 * calls.c (initialize_argument_information): Likewise.
4567 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4569 * dwarfout.c (decl_class_context,output_type): Likewise.
4570 * expr.c (get_inner_reference): Likewise.
4571 * fold-const.c (simple_operand_p,fold): Likewise.
4572 * function.c (aggregate_value_p): Likewise.
4573 * stmt.c (expand_asm_operands): Likewise.
4574 * varasm.c (named_section): Likewise.
4576 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4578 Implement dwarf2 exception handling for the ARM.
4579 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4580 (DWARF_FRAME_RETURN_COLUMN): Define.
4581 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4582 REG_FRAME_RELATED_EXPR note.
4583 (emit_sfm): Likewise.
4584 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4585 * dwarf2out.c (reg_save): Handle saving a register to itself.
4586 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4587 * except.c (eh_regs): Don't use the static chain reg if it's
4589 * frame.h (frame_state): Add cfa_saved field.
4590 * frame.c (execute_cfa_insn): Set it.
4591 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4593 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4595 (instantiate_virtual_regs): Adjust.
4597 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4598 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4599 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4601 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4602 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4604 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4606 * builtins.def: New file.
4608 * Makefile.in (TREE_H): Depend on builtins.def.
4610 * builtins.c (built_in_names): Use builtins.def.
4612 * tree.h (built_in_function): Likewise.
4614 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4616 * tree.c (size_in_bytes): Return size_zero_node, not
4619 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4621 * config/fp-bit.c (pack_d): Correct the case when a denormal
4622 is rounded up and stops being denormal.
4624 2000-03-21 Richard Henderson <rth@cygnus.com>
4626 * config/alpha/alpha.c (function_arg): Check for void_type_node
4627 before using MUST_PASS_IN_STACK.
4629 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4631 * regmove.c (combine_stack_adjustments_for_block): Check that
4632 the stack pointer is a valid memory address.
4634 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4636 * calls.c: re-install Mar 16 emit_library_call merge.
4638 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4640 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4641 we cannot be sure that if reload_completed base register will
4642 be properly aligned.
4644 2000-03-21 Richard Henderson <rth@cygnus.com>
4646 * flow.c (delete_block): Fix typo last change.
4648 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4650 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4651 not COMPLETE_TYPE_P, to check the type of the expression.
4653 2000-03-21 Michael Meissner <meissner@redhat.com>
4655 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4656 all floating point insns that just tested the macro
4657 TARGET_HAS_XFLOATING_LIBS.
4658 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4659 used to only use the gprs.
4661 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4663 * tree.h (COMPLETE_TYPE_P): New macro.
4664 (COMPLETE_OR_VOID_TYPE_P): New macro.
4665 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4666 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4667 * c-aux-info.c (gen_type): Use them.
4668 * c-common.c (c_expand_expr_stmt): Likewise.
4669 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4670 grokdeclarator, grokparms, finish_struct, start_function,
4671 store_parm_decls, combine_parm_decls): Likewise.
4672 * c-parse.y (cast_expr): Likewise.
4673 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4674 c_size_in_bytes, c_alignof, build_component_ref,
4675 build_indirect_ref, build_array_ref, convert_arguments,
4676 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4677 * calls.c (initialize_argument_information): Likewise.
4678 * convert.c (convert_to_integer): Likewise.
4679 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4680 * dwarfout.c (location_or_const_value_attribute,
4681 output_enumeration_type_die, output_structure_type_die,
4682 output_union_type_die, output_type): Likewise.
4683 * expr.c (safe_from_p, expand_expr): Likewise.
4684 * function.c (assign_parms): Likewise.
4685 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4686 * tree.c (build_array_type, build_function_type,
4687 build_method_type, build_offset_type, build_complex_type): Likewise.
4688 * c-parse.c, c-parse.h: Regenerated.
4690 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4692 * config/c4x/rtems.h: Include config/rtems.h.
4694 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4696 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4697 decl is a FUNCTION_DECL
4699 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4701 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4702 function uses output registers. Don't save RP for leaf functions.
4703 Do save RP even if no epilogue.
4704 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4705 (CALL_USED_REGISTERS): Unmark in registers.
4706 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4709 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4711 * config/rs6000/rs6000.md (bunordered): New expander.
4712 (bordered): New expander.
4713 (buneq): New expander.
4714 (bunge): New expander.
4715 (bungt): New expander.
4716 (bunle): New expander.
4717 (bunlt): New expander.
4718 (bltgt): New expander.
4720 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4721 (ccr_bit_negated_p): New function.
4722 (print_operand): For %C, generate appropriate cror for UNEQ,
4723 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4725 2000-03-20 Andreas Jaeger <aj@suse.de>
4727 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4730 * tree.h (safe_for_unsave): Prototype.
4732 2000-03-20 Richard Henderson <rth@cygnus.com>
4734 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4735 (combine_stack_adjustments_for_block): Don't allow sp references
4736 in the side of a set we're not fixing up.
4737 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4738 after life_analysis.
4740 2000-03-20 Richard Henderson <rth@cygnus.com>
4742 * calls.c (expand_call): Don't bother generating tail call
4743 sequences if there are pending cleanups. Use
4744 expand_start_target_temps/expand_end_target_temps to elide
4745 cleanups created during sibcall expansion.
4747 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4749 * configure.in: Set $IFS to a value if it doesn't already have one
4750 in the --enable-checking handling.
4751 * configure: Regenerate.
4753 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4755 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4756 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4759 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4761 * jump.c (delete_noop_moves): Remove code attempting to
4762 combine stack adjustments.
4764 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4766 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4767 * except.c (emit_cleanup_handler): Use them.
4768 (expand_end_all_catch): Likewise.
4769 * function.c (fixup_var_refs): Likewise.
4770 (expand_function_end): Clear catch_clauses_last.
4771 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4772 * except.h (struct eh_status): New field x_catch_clauses_last.
4773 (catch_clauses_last): New define.
4775 * Makefile.in (tree.o): Depend on HASHTAB_H.
4776 * tree.c: Include hashtab.h.
4777 (struct type_hash): Remove next field.
4778 (TYPE_HASH_SIZE): Remove.
4779 (TYPE_HASH_INITIAL_SIZE): New define.
4780 (type_hash_table): Change type to htab_t.
4781 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4782 mark_hash_entry): New functions.
4783 (init_obstacks): Allocate type hash.
4784 (type_hash_lookup): Use htab functions.
4785 (type_hash_add, mark_type_hash): Likewise.
4786 (dump_tree_statistics): Call print_type_hash_statistics.
4788 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4790 * rs6000/t-aix41: New file.
4792 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4794 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4796 * tm.texi (Driver): Fix typos and tweak entry for
4798 Move misplaced STRUCT_FORCE_BLK entry ...
4799 (Storage Layout): ... to here.
4800 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4802 2000-03-19 Richard Henderson <rth@cygnus.com>
4804 * flow.c (delete_block): Delete the addr_vec along with the block.
4805 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4808 * fold-const.c (extract_muldiv): Apply type check for defined
4809 overflow to multiply as well as divide.
4811 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4813 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4815 * emit-rtl.c (remove_unncessary_notes): Check that all
4816 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4817 associated NOTE_BLOCK.
4818 * function.h (identify_blocks): Update comments.
4819 (reorder_blocks): Declare.
4820 * function.c (identify_blocks): Don't take paramters.
4821 (reorder_blocks): Don't take parameters.
4822 * loop.h (find_loop_tree_blocks): Remove.
4823 (unroll_block_trees): Likewise.
4824 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4825 reorder_blocks instead of unroll_block_trees.h
4826 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4827 * stmt.c (find_loop_tree_blocks): Remove.
4828 (unroll_block_trees): Likewise.
4829 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4830 in whole-function mode.
4831 * tree.h (reorder_blocks): Remove declaration.
4833 * expr.c: Include intl.h.
4834 * Makefile.in (expr.o): Depend on intl.h.
4836 2000-03-18 Richard Henderson <rth@cygnus.com>
4838 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4840 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4842 * tree.h (tree_index): Remove enumerals for integer types.
4843 (integer_type_kind): New type.
4844 (integer_types): New variable.
4845 (char_type_node): Adjust.
4846 (signed_char_type_node): Likewise.
4847 (unsigned_char_type_node): Likewise.
4848 (short_integer_type_node): Likewise.
4849 (short_unsigned_type_node): Likewise.
4850 (integer_type_node): Likewise.
4851 (unsigned_type_node): Likewise.
4852 (long_integer_type_node): Likewise.
4853 (long_unsigned_type_node): Likewise.
4854 (long_long_integer_type_node): Likewise.
4855 (long_long_unsigned_type_node): Likewise.
4856 * tree.c (integer_types): New variable.
4857 (init_obstacks): Register it as a root.
4859 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4861 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4862 NEXT_INSN. Update last insn in chain.
4864 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4866 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4867 with TYPE_DECL_SUPPRESS_DEBUG set.
4869 2000-03-18 Richard Henderson <rth@cygnus.com>
4871 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4873 2000-03-18 Richard Henderson <rth@cygnus.com>
4875 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4876 care for HALF_PIC_P.
4877 (expander_call_insn_operand): Remove.
4878 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4879 * i386.h (PREDICATE_CODES): Update.
4880 * i386.md (all call expanders): Remove predicates, remove special
4881 handling for half-pic.
4882 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4883 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4884 (sibcall_epilogue): New.
4886 2000-03-17 Richard Henderson <rth@cygnus.com>
4888 * rtlanal.c (single_set): Reject if the parallel has anything
4889 except SET or USE or CLOBBER.
4891 2000-03-17 Jeff Law <law@cygnus.com>
4892 Richard Henderson <rth@cygnus.com>
4894 * Makefile.in (OBJS): Add sibcall.o.
4896 * sibcall.c: New file.
4897 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4898 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4899 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4900 Emit sibcall patterns when requested. Update all callers.
4901 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4902 elimination seems feasable.
4903 * final.c (leaf_function_p): Sibling calls don't discount being
4905 * flow.c (HAVE_sibcall_epilogue): Provide default.
4906 (find_basic_blocks_1): Sibling calls don't throw.
4907 (make_edges): Make edge from sibling call to EXIT.
4908 (propagate_block): Don't remove sibcall_epilogue insns.
4909 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4910 (sibcall_epilogue): New.
4911 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4912 (identify_blocks_1): Likewise. Break out from ...
4913 (identify_blocks): ... here.
4914 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4915 (reorder_blocks): ... here.
4916 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4917 (record_insns): Extend a varray instead of mallocing new memory.
4918 (contains): Read a varray not array of ints.
4919 (sibcall_epilogue_contains): New.
4920 (thread_prologue_and_epilogue_insns): Emit and record
4921 sibcall_epilogue patterns.
4922 (init_function_once): Allocate prologue/epilogue varrays.
4923 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4924 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4926 (save_for_inline_nocopy): ... here.
4927 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4929 (expand_inline_function): ... here.
4930 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4931 (subst_constants): Handle 'n' formats.
4932 * jump.c (jump_optimize_minimal): New.
4933 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4934 optimizations if it's set.
4935 * rtl.c (copy_rtx): Do copy jump & call for insns.
4936 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4937 (SIBLING_CALL_P): New.
4938 (sibcall_use_t): New.
4939 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4940 Invoke optimize_sibling_and_tail_recursive_calls.
4941 * tree.c (lang_safe_for_unsave): New.
4942 (safe_for_unsave): New.
4943 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4945 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4946 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4947 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4949 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4951 * objc/objc-act.c (encode_method_prototype): Pass types, not
4952 PARM_DECLs, to int_size_in_bytes.
4954 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4956 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4958 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4959 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4961 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4963 * Clean up usages of TREE_INT_CST_LOW.
4964 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4965 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4967 * c-tree.h (min_precision): Move declaration to here.
4968 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4969 (build_unary_op, add_pending_init): Use bit_position.
4970 (pending_init_member, process_init_element): Likewise.
4971 (really_start_incremental_init, push_init_level, pop_init_level):
4972 Don't make copies of nodes or modify them in place, use consistent
4973 types when tracking positions, and use tree routines computations.
4974 (set_init_index, output_init_element): Likewise.
4975 (output_pending_init_elements, process_init_element): Likewise.
4976 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4977 tree_low_cst and int_bit_position; also minor cleanup.
4978 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4979 (print_cst_octal): Precision is unsigned.
4980 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4981 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4982 (simple_type_align_in_bits): Result is unsigned int.
4983 Use tree_int_low_cst and host_integerp.
4984 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4985 (field_byte_offset): Result is HOST_WIDE_INT.
4986 Change types of internal variables so alignments are unsigned int,
4987 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4988 Use host_integerp, tree_low_cst, and int_bit_position.
4989 (add_bit_offset_attribute): Likewise.
4990 (add_data_member_location_attribute): Use tree_cst_low.
4991 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4992 (add_bit_size_attribute): Use tree_low_cst.
4993 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4994 * dwarfout.c: Similar changes to dwarf2out.c.
4995 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4996 * genoutput.c (n_occurences): Return -1 for null string.
4997 (strip_whitespace): Accept null string and make into function.
4998 (scan_operands): Reflect above changes.
4999 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5000 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5001 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5002 * tree.c (int_size_in_bytes): Check for too big to represent.
5003 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5004 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5006 (min_precision): Delete from here.
5007 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5008 and int_bit_position.
5009 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5010 (encode_method_def): Likewise.
5011 (build_ivar_list_initializer): Use int_bit_position.
5012 (generate_shared_structures): Convert size.
5013 (encode_type, encode_complete_bitfield): Use integer_zerop.
5014 (encode_bitfield): Use tree_low_cst and int_bit_position.
5016 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5018 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5020 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5022 * call.c (special_function_p): It is only malloc if it returns
5025 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5027 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5028 (C33_FLAG, TARGET_C3X): Add macros.
5029 (TARGET_SWITCHES): Add -m33 option.
5030 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5032 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5034 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5035 (PARALLEL_PACK_FLAG): Delete.
5036 (TARGET_SWITCHES): Update.
5037 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5039 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5041 * fold-const.c (fold): Fix a few cases when the returned result
5042 is not of the same type as the input.
5044 2000-03-16 Nick Clifton <nickc@cygnus.com>
5046 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5049 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5051 * libgcc2.h: Move prototypes above macros with the same name.
5052 Wrap some function prototypes in the conditional which indicates
5053 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5055 2000-03-16 Richard Henderson <rth@cygnus.com>
5057 * calls.c: Revert last two changes.
5059 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5061 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5062 has exponent 0 is a zero.
5064 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5065 HASH may already be nonzero. Add code/mode into hash value
5066 immediately after repeat label.
5067 (cselib_lookup): Don't leave the hash table in an inconsistent
5068 state before a hash lookup operation.
5070 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5072 * i386.md (all HI and QI mode non-move patterns): Conditionize
5073 by TARGET_[HQ]IMODE_MATH.
5074 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5075 x86_promote_qi_regs): Declare.
5076 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5077 TARGET_PROMOTE_QI_REGS): New macros.
5078 (PROMOTE_MODE): New macro.
5079 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5080 x86_promote_qi_regs): New global variables.
5082 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5084 * calls.c (emit_library_call_value_1): Break out from ...; handle
5085 VOIDmode function calls too.
5086 (emit_library_call_value): ... here.
5087 (emit_library_call): Implement by calling emit_library_call_value_1.
5089 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5091 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5092 Update arg_space_so_far on stack adjustments.
5093 (emit_library_call, emit_library_call_value): Likewise; take into
5094 account arg_space_so_far and pending_stack_adjust when calculcating
5097 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5099 * flow.c: Move all basic block reordering code into its own file.
5100 (create_basic_block): Externalize.
5101 * bb-reorder.c: New file. Copy all basic block reordering code from
5102 flow.c to this file.
5103 (reorder_basic_blocks): Fix fencepost error in for-loop.
5104 (reorder_basic_blocks): Remove braces from single statement for-loops.
5105 * basic-block.h: Add declaration for create_basic_block.
5106 * Makefile.in: Add rules for bb-reorder.o.
5108 2000-03-16 Neil Booth <NeilB@earthling.net>
5110 * cppinit.c (handle_option): Implement #unassert directive
5111 as -A- command line option.
5112 (print_help): Update.
5113 * cpptexi.c: Update.
5115 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5117 * md.texi (Standard Names): Document `jump'.
5119 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5121 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5124 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5126 Merge changes from newppc-branch onto trunk.
5128 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5130 * rs6000.c (toc_hash_table): Update for new hash table functions.
5131 (toc_hash_function): Likewise.
5132 (toc_hash_eq): Likewise.
5133 (toc_hash_mark_entry): Likewise.
5134 (toc_hash_mark_table): Likewise.
5135 (output_toc): Likewise.
5136 (rs6000_add_gc_roots): Likewise.
5138 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5140 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5141 (AR_FLAGS_FOR_TARGET): here. New macro.
5143 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5145 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5146 fpmem_operand) Delete.
5148 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5149 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5150 (rs6000_save_machine_status, rs6000_restore_machine_status,
5151 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5152 references to above variables.
5153 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5154 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5155 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5156 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5157 (XER_REGNO_P, XER_REGNO): New.
5158 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5159 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5160 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5162 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5163 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5164 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5166 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5168 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5169 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5170 * rs6000.h: from here.
5172 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5173 (rs6000_select_rtx_section): Likewise.
5174 (rs6000_encode_section_info): Likewise.
5175 (sdata_section): Likewise.
5176 (sdata2_section): Likewise.
5177 (sbss_section): Likewise.
5178 * sysv4.h (rs6000_select_section): Delete prototype.
5179 (rs6000_select_rtx_section): Likewise.
5180 (rs6000_encode_section_info): Likewise.
5181 (sdata_section): Likewise.
5182 (sdata2_section): Likewise.
5183 (sbss_section): Likewise.
5184 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5186 * sysv4.h: Delete various unnecessary #undef's and put a comment
5187 on the remaining ones.
5188 Change various comments according to coding standard.
5190 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5192 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5193 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5194 (CR0_REGNO_P) Remove.
5195 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5196 setup_incoming_varargs, mtcrf_operation, print_operand,
5197 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5198 Use the above macros.
5200 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5202 * config/rs6000/rs6000.md: Added a new alternative for each
5203 pattern that had a 'x' alternative but no 'y' alternative.
5204 Added a new split for each of the above patterns.
5206 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5208 * aix41.h (ASM_CPU_SPEC): Delete.
5209 (CPP_CPU_SPEC): Delete.
5211 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5212 (ASM_OUTPUT_LABEL): Define.
5213 (ASM_GLOBALIZE_LABEL): Define.
5214 (STRIP_NAME_ENCODING): Define.
5215 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5216 (STRIP_NAME_ENCODING): Don't define.
5217 (ASM_OUTPUT_LABEL): Don't define.
5218 (ASM_GLOBALIZE_LABEL): Don't define.
5219 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5220 names, and ASM_OUTPUT_LABEL to output labels, rather than
5222 (ASM_OUTPUT_LABEL): Define.
5223 (ASM_OUTPUT_INT): Use assemble_name.
5224 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5225 (STRIP_NAME_ENCODING): Don't undefine first.
5226 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5228 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5229 specified with 'asm' even with -fleading-underscore.
5230 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5231 (output_epilog): Likewise.
5232 (output_toc): Likewise.
5233 * tramp.asm: Handle -fleading-underscore correctly.
5235 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5237 (nonlocal_goto_receiver): Delete.
5238 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5240 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5241 (SET_ASM_OP): Define.
5242 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5244 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5247 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5248 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5250 * rs6000.h: Add 'u' to more constants.
5252 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5254 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5256 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5258 * rs6000.c (reg_or_u_cint_operand): New function.
5259 (logical_operand): Handle 64-bit hosts.
5260 (logical_u_operand): New function.
5261 (non_logical_cint_operand): Handle 64-bit hosts.
5262 (non_logical_u_cint_operand): New function.
5263 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5264 (PREDICATE_CODES): Define new functions.
5265 * rs6000-protos.h: Declare new functions.
5266 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5267 (movdi_64): Bracket code intended for 64-bit hosts. Create
5268 CONST_DOUBLE for 32-bit values.
5269 (scc insns): Generate DImode compares.
5270 (mfcr insns): Create DImode versions.
5271 (sge matchers): New patterns.
5273 2000-02-15 Gabriel Paubert <paubert@iram.es>
5275 * rs6000.md: Correct instructions length attributes and
5276 constraints on unsigned compare instructions.
5277 (*ne0): Disable for PowerPC64.
5279 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5281 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5282 quantity, fix profile1.C test failure under -fPIC.
5284 * rs6000.c: Add 'u' to many constants to suppress warnings.
5285 (constant_pool_expr_1): Make static.
5286 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5287 * rs6000.h: Add 'u' to many constants to suppress warnings.
5289 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5290 for the start of the TOC, instead of LCTOC..0.
5291 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5293 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5294 (load_toc_aix_di): Use LCTOC..1.
5296 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5297 * rs6000.c (rs6000_legitimize_address): New function from
5298 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5299 symbols in the constant pool that really are TOC references.
5300 (print_operand_address): For ELF, write TOC offsets under
5301 -fPIC as subtractions in the insn.
5302 (output_toc): For ELF, define symbols in TOC as normal labels,
5304 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5305 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5306 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5307 * rs6000.md (movsi): Only use create_TOC_reference on
5308 symbols in the constant pool that really are TOC references.
5310 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5311 * rs6000.c (rs6000_reorg): Delete.
5312 * rs6000-protos.h (rs6000_reorg): Delete.
5314 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5316 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5318 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5319 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5320 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5321 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5322 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5323 rs6000_aix_emit_builtin_unwind_init.
5324 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5325 rs6000_emit_eh_toc_restore on AIX.
5326 (return_eh_si): Use r2.
5327 (return_eh_di): Use r2.
5329 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5330 since we're breaking binary compatibility anyway.
5332 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5334 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5335 constant_pool_expr_p): Declare them.
5336 (constant_pool_expr_p): Declare it.
5337 * config/rs6000/rs6000.c (toc_label_name): Define.
5338 (rs6000_override_options): Set toc_label_name.
5339 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5340 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5341 uses_TOC): New functions.
5342 (print_operand): Delete old '*' case.
5343 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5344 and strip off rtl for TOC before calling output_addr_const.
5345 (rs6000_emit_load_toc_table): Use toc_label_name.
5346 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5348 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5349 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5350 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5351 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5352 into explicit TOC_REGISTER offsets.
5353 (TOC_REGISTER): New macro.
5354 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5355 TARGET_TOC to reference TOC_REGISTER.
5356 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5357 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5358 uses_TOC before emitting label references.
5360 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5362 * rs6000.md (stack_tie): Fix warning.
5364 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5365 to handle -fleading-underscore.
5366 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5367 (USER_LABEL_PREFIX): New macro.
5368 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5369 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5370 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5371 call-linux can use the same multilibs.
5372 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5373 and call-linux multilibs. Do multilib with -fleading-underscore.
5374 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5375 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5378 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5379 have MASK_SOFT_FLOAT set.
5380 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5381 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5382 CPP_FLOAT_DEFAULT_SPEC.
5384 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5385 * rs6000.md: Whitespace change.
5386 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5387 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5389 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5391 * rs6000.md (eh_epilogue): New expander.
5392 (eh_reg_restore): New expand/split/insn combination.
5393 (return_eh_si): New insn.
5394 (return_eh_di): New insn.
5396 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5397 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5398 * eabi-ctors.c (__do_global_ctors): Register this object's
5399 frame. Clean up. Call atexit() after the constructors.
5400 (__do_global_dtors): Deregister this object's frame. Clean up.
5401 Allow for recursive calls to exit().
5402 * rs6000.c (fixuplabelno): New variable.
5403 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5404 TARGET_RELOCATABLE, it slows down exec() under linux.
5405 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5407 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5408 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5409 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5410 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5411 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5412 (ASM_OUTPUT_DWARF_ADDR): New macro.
5413 (ASM_OUTPUT_DWARF_DATA4): New macro.
5414 (ASM_OUTPUT_DWARF_DATA2): New macro.
5415 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5416 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5417 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5419 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5421 * rs6000.c (rs6000_sr_alias_set): New variable.
5422 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5423 (rs6000_emit_stack_tie): New function.
5424 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5425 in a way that dwarf2out can understand.
5426 (rs6000_frame_related): New function.
5427 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5428 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5429 Use rs6000_emit_stack_tie when needed.
5430 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5431 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5432 * rs6000.md (stack_tie): New insn.
5433 (return_internal_si): Allow return value to be in the count
5435 (return_internal_di): Likewise.
5437 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5439 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5441 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5443 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5445 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5447 * rs6000.md (stmw): Use the right POWER opcode.
5450 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5452 * rs6000-protos.h: New file.
5454 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5456 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5459 * sysv4.h: Likewise.
5461 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5463 * ../../configure.in: Delete powerpcle-*-winnt*
5464 and powerpcle-*-pe|powerpcle-*-cygwin*.
5465 * ../../configure: Regenerated.
5467 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5468 (TARGET_WINDOWS_NT): Delete.
5470 (CALL_NT_DLLIMPORT): Delete.
5471 Delete NT-specific code.
5472 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5475 * nt-ci.asm: Delete.
5476 * nt-cn.asm: Delete.
5477 * ntstack.asm: Delete.
5479 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5481 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5482 (ASM_FILE_START): Likewise.
5483 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5484 (ASM_OUTPUT_LABELREF): Likewise.
5485 (ASM_OUTPUT_SKIP): Likewise.
5486 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5487 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5488 (ASM_OUTPUT_CASE_LABEL): Likewise.
5489 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5490 (ASM_OUTPUT_ASCII): Likewise.
5492 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5494 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5495 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5496 increment rs6000_pic_labelno here.
5497 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5498 and increment rs6000_pic_labelno here.
5500 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5502 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5503 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5504 allocation knows (reg) is dead before the insn.
5506 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5508 * rs6000.md (movsi_to_cr): Correct typo in output template.
5510 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5512 * rs6000.c (rs6000_pic_labelno): Always define.
5513 (rs6000_pic_func_labelno): Delete.
5514 (lmw_operation): Check for a zero base register,
5515 which doesn't mean what we want.
5516 (stmw_operation): New function.
5517 (print_operand): Define new 'l' modifier.
5518 (rs6000_stack_info): We must save all 64 bits of the registers
5519 if TARGET_POWERPC64.
5520 (rs6000_output_load_toc_table): Delete.
5521 (rs6000_emit_load_toc_table): New function.
5522 (rs6000_allocate_stack_space): Delete.
5523 (rs6000_emit_allocate_stack): New function.
5524 (rs6000_emit_prologue): New function.
5525 (output_prolog): Use rs6000_emit_prologue.
5526 (rs6000_emit_epilogue): Change a few variable names to be
5527 more accurate. Restore all 64 bits of the registers if
5528 TARGET_POWERPC64. Only restore the FP registers which were used
5529 if they are being saved/restored one-at-a-time.
5530 (output_mi_thunk): Delete inefficient code generation.
5531 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5532 * rs6000.h: Declare rs6000_emit_load_toc_table,
5533 rs6000_allocate_stack_space, stmw_operation. Don't declare
5534 rs6000_output_load_toc_table.
5535 * rs6000.md (elf_high): Allow register 0, but discourage it
5537 (elf_low): Support loading into register 0.
5538 (load_toc_aix_si): New pattern.
5539 (load_toc_aix_di): New pattern.
5540 (load_toc_v4_pic_si): New pattern.
5541 (load_toc_v4_pic_di): New pattern.
5542 (load_toc_v4_PIC_1): New pattern.
5543 (load_toc_v4_PIC_1b): New pattern.
5544 (load_toc_v4_PIC_2): New pattern.
5545 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5546 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5547 (prologue): New expander.
5548 (movesi_from_cr): New pattern.
5549 (stmw): New pattern.
5550 (save_fpregs_si): New pattern.
5551 (save_fpregs_di): New pattern.
5553 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5555 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5560 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5562 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5564 (movsi_got_internal): Likewise.
5565 (movsi_got_internal+1): Likewise.
5566 (set_sp): 'unspec 7' does a SImode clobber.
5568 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5570 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5571 allocate a stack temporary.
5572 (floatsidf2_internal): Likewise.
5573 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5575 (floatunssidf2): Don't use the fpmem "register", just
5576 allocate a stack temporary.
5577 (floatunssidf2_internal): Likewise.
5578 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5580 (floatsidf2_loadaddr): Delete.
5581 (floatsidf2_store1): Delete.
5582 (floatsidf2_store2): Delete.
5583 (floatsidf2_load): Delete.
5584 (fix_truncdfsi2): Don't use the fpmem "register", just
5585 allocate a stack temporary.
5586 (fix_truncdfsi2_internal_si): Delete.
5587 (fix_truncdfsi2_internal_di): Delete.
5588 (fix_truncdfsi2_internal): New insn.
5589 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5590 (fix_truncdfsi2_store): Delete.
5591 (fix_truncdfsi2_load): Delete.
5592 (fctiwz): Produce gen_fctiwz.
5594 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5596 * eabi.h (INVOKE__main): Define.
5597 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5599 (rs6000_emit_prologue): Likewise.
5600 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5601 this is the main program.
5603 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5605 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5607 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5609 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5610 goes after the argument.
5612 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5614 * rs6000.md: Document 'unspec' values used.
5615 (epilogue): New expander.
5616 (movesi_to_cr_one): New expander.
5617 (movesi_to_cr and following): New pattern.
5619 (return_internal_si): New pattern.
5620 (return_internal_di): New pattern.
5621 (return_and_restore_fpregs_si): New pattern.
5622 (return_and_restore_fpregs_di): New pattern.
5623 * rs6000.h: Declare new functions.
5624 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5625 rather than rs6000_calls_p.
5626 (rs6000_makes_calls): Delete.
5627 (lmw_operation): New function.
5628 (mtcrf_operation): New function.
5629 (rs6000_emit_epilogue): New function.
5630 (output_epilog): Call rs6000_emit_epilogue and final if
5631 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5633 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5635 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5636 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5637 * aix.h (SUBTARGET_SWITCHES): Document switches.
5638 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5639 sched-prolog and sched-epilog the same. Document all the
5641 (TARGET_OPTIONS): No longer allow -mdebug-.
5643 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5645 * rs6000.h (ASM_FILE_END): Move to aix.h.
5646 (EXTRA_SECTIONS): Move to aix.h.
5647 (READONLY_DATA_SECTION): Move to aix.h.
5648 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5649 (SELECT_SECTION): Move to aix.h.
5650 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5651 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5652 (LINK_REGISTER_REGNUM): New definition.
5653 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5654 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5656 * sysv4.h: Delete the code between the inclusion of rs6000.h
5658 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5659 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5660 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5661 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5662 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5663 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5664 (fix_truncdfsi2_internal_di): New pattern.
5665 (fix_truncdfsi2_store): The second arg here is Pmode too.
5666 (fix_truncdfsi2_load): The second arg here is Pmode too.
5667 (tablejumpdi): Now that switch tables hold only SImode values,
5668 gcc needs to know how to add them to the pc which is DImode.
5669 * rs6000.c (rs6000_stack_info): Use symbolic name for
5670 LINK_REGISTER_REGNUM.
5671 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5672 (output_toc): Delete unused variables s1 and s2.
5673 (output_ascii): Use fputs not fprintf on a variable string.
5675 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5677 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5678 * aix43.h: Revert Aug 2 change.
5679 (HAS_INIT_SECTION): Define, not visible yet.
5680 (LD_INIT_SWITCH): Define, not visible yet.
5681 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5683 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5685 * config/rs6000/rtems.h: Include config/rtems.h.
5687 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5689 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5690 (SLOW_UNALIGNED_ACCESS): Define.
5691 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5692 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5693 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5694 (toc_section): Likewise and .toc pseudo-op.
5695 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5697 (TEXT_SECTION_ASM_OP): Likewise.
5698 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5701 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5703 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5704 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5707 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5709 * rs6000.h: Move more stuff from here...
5711 * sysv4.h: Cleanup accordingly.
5712 * netware.h: Likewise
5714 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5716 * rs6000.h: Continue cleanup.
5719 * netware.h: Likewise.
5721 * sysv4.h: Likewise.
5722 * win-nt.h: Likewise.
5724 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5725 (TARGET_OPTIONS): Likewise.
5727 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5728 (SUBTARGET_OPTIONS): Likewise.
5730 * rs6000.md: Fix compile time warnings.
5732 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5734 vxworks patches from the Cygnus tree originally by
5735 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5736 <vmakarov@cygnus.com>.
5737 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5738 (ENDFILE_SPEC): Likewise.
5739 (LIB_VXWORKS_SPEC): New macro.
5740 (STARTFILE_VXWORKS_SPEC): New macro.
5741 (ENDFILE_VXWORKS_SPEC): New macro.
5742 (LINK_START_VXWORKS_SPEC): New macro.
5743 (LINK_OS_VXWORKS_SPEC): New macro.
5744 (CPP_OS_VXWORKS_SPEC): New macro.
5745 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5746 * vxppc.h: Rewrite to use proper configuration method.
5747 * vxppcle.h: New file.
5748 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5749 * ../../configure: Rebuilt.
5751 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5753 Lots of changes to rs6000.h, sysv4.h, aix.h,
5754 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5755 with the aim that rs6000.h is the first header
5756 included and the others override it.
5759 * x-aix41-gld: Remove.
5761 * x-aix41: Remove target-specific switches, and don't specify
5762 -Wl,-bbigtoc as we don't need it any more.
5763 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5764 Use t-aix43 for AIX 4.3 and above.
5765 * ../../configure: Regenerated.
5767 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5768 options, that don't do anything yet.
5769 (MASK_SCHED_PROLOG): New macro.
5770 (MASK_SCHED_EPILOG): New macro.
5771 (TARGET_SCHED_PROLOG): New macro.
5772 (TARGET_SCHED_EPILOG): New macro.
5774 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5776 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5777 one per translation unit, not one per function.
5778 (output_toc): Also do duplicate constant elimination
5779 for per-translation-unit TOCs.
5781 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5782 a comment explaining _exactly_ when this pattern gets used.
5783 (builtin_setjmp_receiver): New pattern for better clarity.
5784 (init_v4_pic): Move it into a section dealing with TOC registers.
5786 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5788 * rs6000.c (toc_hash_table): New variable.
5789 (rs6000_hash_constant): New function.
5790 (toc_hash_function): New function.
5791 (toc_hash_eq): New function.
5792 (toc_hash_mark_entry): New function.
5793 (toc_hash_mark_table): New function.
5794 (output_toc): Don't output duplicate TOC entries in
5796 (rs6000_add_gc_roots): Add the hash table as a GC root.
5797 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5798 where they clearly shouldn't be. This may need to be fixed
5799 later when there is a GNU ar for AIX.
5800 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5801 Don't define BOOT_LDFLAGS as it is now not necessary.
5803 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5805 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5806 for va_list on AIX. Use unsigned_char_type_node rather than
5807 constructing our own version on svr4.
5809 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5811 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5812 since patently it's not.
5814 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5816 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5817 define_expand/define_insn pair, and handle restore of the
5818 SVR4 -fpic register.
5820 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5822 * acconfig.h (HAVE_GAS_WEAK): New define.
5823 * configure.in (assembler weak support): Check for .weak support.
5824 * config.in, configure: Rebuilt.
5825 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5826 HAVE_GAS_WEAK is defined.
5828 2000-03-15 Nick Clifton <nickc@cygnus.com>
5830 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5833 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5835 * cppfiles.c (open_include_file): New function.
5836 (find_include_file, cpp_read_file): Use it.
5838 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5840 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5842 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5844 * flow.c (verify_flow_info): Check for unconditional return.
5846 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5848 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5849 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5850 (__ia64_restore_stack_nonlocal): New.
5851 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5853 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5855 * cpphash.c (collect_formal_parameters): Do not complain about
5856 parameter names that just start with `__VA_ARGS__'.
5858 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5860 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5861 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5862 * i386.c (pentiumpro_cost): Set mul cost to 4.
5863 (x86_use_movx): Set for PPro.
5865 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5867 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5868 STACK_BOUNDARY for empty frames now.
5870 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5872 * stor-layout.c (layout_union): Remove.
5873 (layout_union_field): New function, split out from layout_union.
5874 (finish_union_layout): Likewise.
5875 (layout_field): Handle unions by calling layout_union_field.
5876 (finish_record_layout): Handle unions.
5877 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5878 QUAL_UNION_TYPE handling.
5880 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5882 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5883 end of basic block is jump_insn, not barrier; use create_basic_block
5884 instead of creating basic block by hand.
5886 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5888 * flow.c (reorder_basic_blocks): Account for barriers when writing
5889 over NEXT_INSN (last_bb->end).
5890 (verify_flow_info): Add check for missing barriers.
5892 2000-03-14 Greg McGary <gkm@gnu.org>
5894 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5895 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5896 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5897 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5898 __unbounded, __unbounded__): New keywords.
5899 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5900 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5901 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5903 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5905 * cselib.h: New file.
5906 * alias.c: Include "cselib.h".
5907 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5908 MEMs as two new arguments.
5909 (get_addr): New static function.
5910 (find_base_term): Handle VALUEs.
5911 (memrefs_conflict_p): Likewise.
5912 (true_dependence): Call get_addr on the addresses.
5913 Call fixed_scalar_and_varying_struct_p with addresses that have been
5914 passed through get_addr and canon_rtx.
5915 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5916 with true_dependence.
5917 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5918 * loop.c: Include "cselib.h".
5919 (load_mems): Process extended basic block that enters the loop with
5920 cselib. Use that information to change initialization of the shadow
5921 register so that a constant equivalence is seen by later passes.
5922 * reload1.c: Include "cselib.h".
5923 (reload_cse_invalidate_regno): Delete function.
5924 (reload_cse_mem_conflict_p): Likewise.
5925 (reload_cse_invalidate_mem): Likewise.
5926 (reload_cse_invalidate_rtx): Likewise.
5927 (reload_cse_regno_equal_p): Likewise.
5928 (reload_cse_check_clobber): Likewise.
5929 (reload_cse_record_set): Likewise.
5930 (reg_values): Delete static variable.
5931 (invalidate_regno_rtx): Likewise.
5932 (reload_cse_delete_noop_set): New static function.
5933 (reload_cse_simplify): New static function, broken out of
5935 (reload_cse_noop_set_p): Delete unused argument INSN.
5936 Just call rtx_equal_for_cselib_p on set source and destination.
5937 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5938 reload_cse_delete_noop_set. Delete code to keep track of values; use
5939 cselib functions instead. Delete code to push/pop obstacks.
5940 (reload_cse_simplify_set): Use cselib to find equivalent values.
5941 Delete code to push/pop obstacks.
5942 (reload_cse_simplify_operands): Likewise.
5943 * rtl.def (VALUE): New rtx code.
5944 * rtl.h (union rtunion_def): New elt rt_cselib.
5945 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5946 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5947 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5948 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5949 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5950 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5951 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5952 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5953 cselib_record_set, cselib_record_sets): New static functions.
5954 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5955 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5956 references_value_p): New functions.
5957 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5958 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5959 n_useless_values, reg_values, callmem, cselib_obstack,
5960 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5961 New static variables.
5962 * varray.h (union varray_data_tag): New elt te.
5963 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5964 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5967 2000-03-14 Nick Clifton <nickc@cygnus.com>
5969 * gcc.c (do_spec_1): Catch the case where %* is used in a
5970 substitution pattern, but it has not been initialised.
5971 Issue a meaningful error message if an unrecognised operator
5972 is encountered in a spec string.
5974 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5976 * function.c (prepare_function_start): Correctly initialize
5977 cfun->stack_alignment_needed.
5979 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5981 * cppfiles.c (find_include_file): Don't assume nshort is a
5984 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5986 * configure.in (hppa configurations): Add pa32-regs.h to the
5987 list of tm files as appropriate.
5988 * configure: Rebuilt.
5989 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5991 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5992 (fmpyaddoperands, fmpysuboperands): Likewise.
5993 * pa.h: Remove various definitions which depend on knowing
5994 how registers are numbered.
5995 * pa32-regs.h: New file with PA32 register numbering specific
5998 2000-03-14 Richard Henderson <rth@cygnus.com>
6000 * regmove.c (combine_stack_adjustments): New.
6001 (stack_memref_p, single_set_for_csa): New.
6002 (free_csa_memlist, record_one_stack_memref): New.
6003 (try_apply_stack_adjustment): New.
6004 (combine_stack_adjustments_for_block): New.
6005 * rtl.h (combine_stack_adjustments): Declare.
6006 * toplev.c (rest_of_compilation): Call it.
6008 * i386.md: Revert 2000-01-16 change.
6010 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6012 * gccbug.in: Add web category, gcc specific classes.
6014 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6016 * stor-layout.c (finalize_record_size): Fix typo.
6018 2000-03-14 Stan Shebs <shebs@apple.com>
6020 * c-typeck.c (c_alignof): Error on incomplete types.
6021 * extend.texi (Alignment): Document this.
6023 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6025 * cppfiles.c: Include mkdeps.h.
6026 (find_include_file, read_include_file): Remove _cpp_ prefix
6027 from name, make static.
6028 (_cpp_execute_include): New function, broken out of
6031 * cpplib.c: Don't include mkdeps.h.
6032 (struct directive): Remove type field. Reorder entries. The
6033 function takes only one argument.
6034 (struct if_stack): Make type field an int.
6035 (directive_table): Rename to dtable. Generate it, the
6036 prototypes of the directive handlers, and the enum for the
6037 directive numbers, from a template macro.
6038 (do_ifndef, do_include_next, do_import): New functions.
6039 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6040 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6041 do_ident, do_assert, do_unassert, do_sccs): Take only one
6043 (do_sccs): Define always, but alter behavior based on
6045 (_cpp_handle_directive, consider_directive_while_skipping):
6046 Restructure for new directive table layout.
6048 (pass_thru_directive): Take a directive number, not a pointer
6049 to a struct directive.
6050 (parse_include): New function, broken out of do_include.
6051 (do_include, do_import, do_include_next): Use parse_include
6052 and _cpp_execute_include.
6053 (do_elif, do_else): Test for T_ELSE specifically when checking
6054 for #elif/#else after #else.
6055 (parse_ifdef): New function, broken out of do_ifdef.
6056 (validate_else): Expect a name arg without a leading #.
6057 (if_directive_name): Delete.
6058 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6059 directive handlers with only one argument.
6061 * cpphash.h: Update prototypes.
6062 (enum node_type): Remove entries for directives.
6063 * Makefile.in: Update dependencies.
6065 * cpphash.c (dump_hash_helper): Only dump nodes of type
6066 T_MACRO. Emit a newline after each definition.
6068 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6070 * gccbug.in: New file.
6071 * configure.in (all_outputs): Add gccbug.
6072 * Makefile.in (install-common): Install gccbug.
6073 (GCCBUG_INSTALL_NAME): New variable.
6074 * configure: Rebuilt.
6076 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6078 * function.c (put_var_into_stack): Use type_for_mode to calculate
6079 part_type. Use MEM_SET_IN_STRUCT_P.
6080 * expr.c (store_field): Handle CONCAT.
6081 (store_constructor): Use fields_length.
6082 * tree.c (fields_length): New fn.
6083 * tree.h: Declare it.
6085 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6087 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6088 (cpplex.o): New target.
6089 * po/POTFILES.in: Add cpplex.c.
6091 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6092 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6093 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6094 skip_block_comment, skip_line_comment, skip_comment,
6095 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6096 _cpp_parse_name, skip_string, parse_string,
6097 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6098 _cpp_get_directive_token, find_position,
6099 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6100 (maybe_macroexpand, _cpp_lex_token): New functions.
6102 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6103 parse_goto_mark): Delete.
6104 (_cpp_handle_eof): New function.
6105 (_cpp_handle_directive): Rename from handle_directive.
6106 (_cpp_output_line_command): Rename from output_line_command.
6107 (do_if, do_elif): Call _cpp_parse_expr directly.
6108 * cppfiles.c (_cpp_read_include_file): Don't call
6109 init_input_buffer here.
6110 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6111 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6112 here; pop the token_buffer and skip the rest of the line here.
6113 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6116 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6118 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6119 CPP_GOTO_MARK): New macros.
6120 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6121 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6122 _cpp_read_and_prescan, _cpp_init_input_buffer,
6123 _cpp_grow_token_buffer, _cpp_get_directive_token,
6124 _cpp_handle_directive, _cpp_handle_eof,
6125 _cpp_output_line_command): Prototype them here.
6126 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6127 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6128 quote_string, output_line_command): Remove.
6130 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6132 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6133 whether it is too large we must also verify that it isn't negative.
6135 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6137 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6138 (movsi_zero_liveg0): Remove.
6139 (movsf_insn_novis_liveg0): Remove.
6141 (negsi2_not_liveg0): Rename to negsi2.
6142 (one_cmplsi2): Remove.
6143 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6144 (one_cmplsi2_liveg0): Remove.
6145 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6146 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6147 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6148 (PREDICATE_CODES): Remove zero_operand.
6149 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6150 TARGET_BROKEN_SAVERESTORE.
6151 (zero_operand): Remove.
6152 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6153 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6155 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6156 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6157 TARGET_BROKEN_SAVERESTORE): Remove.
6158 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6160 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6162 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6165 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6167 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6169 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6170 truncating a string. Don't assume tokens are nul terminated.
6171 Problem noted by Andreas Jaeger <aj@suse.de>
6173 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6175 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6176 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6177 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6179 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6181 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6182 STRUCTURE_SIZE_BOUNDARY.
6184 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6186 * tree.h (record_layout_info_s): New structure.
6187 (record_layout_info): New type.
6188 (new_record_layout_info): New function.
6189 (layout_field): Likewise.
6190 (finish_record_layout): Likewise.
6191 * stor-layout.c (layout_record): Remove.
6192 (new_record_layout_info): New function.
6193 (layout_field): New function, broken out from layout_record.
6194 (finalize_record_size): Likewise.
6195 (compute_record_mode): Likewise.
6196 (finalize_type_size): New function, broken out from layout_type.
6197 (finish_record_layout): Likewise.
6198 (layout_type): Use them.
6200 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6202 * cpphash.c: Don't include version.h.
6203 (special_symbol) [case T_VERSION]: Look for the string in
6204 hp->value.cpval; don't use version_string.
6205 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6206 __VERSION__ to version_string.
6207 * Makefile.in (cpphash.o): Update deps.
6209 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6211 Convert cpplib to use libiberty/hashtab.c.
6213 * cpplib.h (struct cpp_reader): Make hashtab and
6214 all_include_files of type 'struct htab *'. Delete HASHSIZE
6215 and ALL_INCLUDE_HASHSIZE macros.
6217 * cpphash.h: Update prototypes.
6218 (struct hashnode): Remove next, prev, and bucket_hdr members.
6219 Make length a size_t. Add hash member.
6220 (struct ihash): Remove next member. Add hash member. Make
6221 name a flexible array member.
6223 * cppfiles.c: Include hashtab.h.
6224 (include_hash): Delete.
6225 (IHASHSIZE): New macro.
6226 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6227 (cpp_included): Do the hash lookup here.
6228 (_cpp_find_include_file): Rewrite.
6229 (cpp_read_file): Put the "fake" hash entry into the hash
6230 table. Honor the control_macro, if it turns out we've seen
6231 the file before. Don't push the buffer here.
6232 (_cpp_read_include_file): Push the buffer here.
6233 (OMODES): New macro. Use it whenever we call open(2).
6235 * cpphash.c: Include hashtab.h.
6236 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6237 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6238 _cpp_lookup_slot): New functions.
6239 (HASHSIZE): new macro.
6240 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6241 (_cpp_lookup): Use hashtab.h routines.
6243 * cppinit.c: Include hashtab.h.
6244 (cpp_reader_init): Call _cpp_init_macro_hash and
6245 _cpp_init_include_hash. Don't allocate hashtab directly.
6246 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6247 pfile->all_include_files.
6248 (initialize_builtins): Use _cpp_make_hashnode and
6249 htab_find_slot to add hash entries.
6250 (cpp_finish): Just call _cpp_dump_macro_hash.
6251 * cpplib.c: Include hashtab.h.
6252 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6253 create hash entries.
6254 (do_pragma_poison, do_assert): Likewise.
6255 (do_include): Don't push the buffer here. Don't increment
6256 system_include_depth unless _cpp_read_include_file succeeds.
6257 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6259 (do_pragma_implementation): Use alloca to create copy.
6261 * Makefile.in: Update dependencies.
6263 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6265 * cppinit.c (cl_directive_handler): More K&R fixing.
6267 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6269 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6271 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6273 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6275 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6276 Change from char[] to macros.
6278 2000-03-12 Neil Booth <NeilB@earthling.net>
6280 * cppinit.c (cpp_start_read): Update indirect function
6283 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6285 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6288 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6289 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6291 2000-03-11 Neil Booth <NeilB@earthling.net>
6293 * cppinit.c (struct pending option): Replace undef with a
6294 pointer to a directive handling routine.
6295 (struct cpp_pending): Replace separate assert_ and define_
6296 lists with one directive_ list.
6297 (new_pending_define): Rename new_pending_directive. Extra
6298 argument is the directive's handling routine.
6299 (handle_option): Update to use new_pending_directive.
6301 2000-03-11 Neil Booth <NeilB@earthling.net>
6303 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6304 remap_filename, _cpp_read_include_file, actual_directory,
6305 hack_vms_include_specification): Replace bcopy(), index() etc
6306 calls. Add casts to some allocations. Make some variables
6307 pointers to const [unsigned] char.
6308 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6309 collect_formal_parameters): Similarly.
6310 * cppinit.c (struct pending_option, append_include_chain,
6311 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6312 cpp_start_read, new_pending_define, handle_option): Similarly.
6313 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6314 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6315 do_pragma_implementation, detect_if_not_defined,
6316 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6317 do_assert, do_unassert): Similarly.
6318 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6319 function prototypes.
6320 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6322 2000-03-10 Richard Henderson <rth@cygnus.com>
6324 * builtins.c (expand_builtin_strlen): Revert last change.
6325 Use emit_insn_before if we're at the beginning of a sequence.
6327 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6329 * builtins.c (expand_builtin_strlen): Make sure that we have something
6330 at the beginning of the sequence.
6332 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6335 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6337 2000-03-10 Richard Henderson <rth@cygnus.com>
6339 * except.c (can_throw): Use INTVAL on a CONST_INT.
6340 (reachable_handlers): Likewise.
6341 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6343 2000-03-10 Andreas Jaeger <aj@suse.de>
6345 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6346 MD_STARTFILE_PREFIX since those are not needed on linux.
6347 (ASM_FILE_START): New, from mips/gnu.h.
6349 2000-03-09 Richard Henderson <rth@cygnus.com>
6350 Alex Samuel <samuel@codesourcery.com> and others
6352 * Makefile.in (ssa.o): New rule.
6354 (STAGESTUFF): Add *.ssa and *.ussa.
6355 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6356 * rtl.def (PHI): New RTL expression.
6357 * rtl.h (clear_log_links): New declaration.
6358 (convert_to_ssa): Likewise.
6359 (convert_from_ssa): Likewise.
6360 * flow.c (split_edge): If the entry node falls through to the
6361 split edge's source block, split the entry edge.
6362 (clear_log_links): New function.
6363 * toplev.c (ssa_dump): New variable.
6364 (flag_ssa): Likewise.
6365 (f_options): Add "ssa".
6366 (compile_file): Create SSA dump files.
6367 (rest_of_compilation): Go to and from SSA if enabled.
6368 (decide_d_option): Handle -de for SSA dump files.
6371 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6373 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6376 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6378 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6380 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6382 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6383 (MD_STARTFILE_PREFIX_1): New macro.
6385 2000-03-09 Robert Lipe <robertl@sco.com>
6387 * config/ia64/ia64.c: Include system.h.
6389 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6391 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6392 (init_eh_nesting_info): Likewise.
6394 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6395 (TREE_NOTHROW): Rename from TREE_RAISES.
6396 * toplev.c (rest_of_compilation): Set it.
6397 * print-tree.c (print_node): Adjust.
6398 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6399 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6400 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6401 REG_EH_REGION note as appropriate.
6402 (libfunc_nothrow): New fn.
6403 (emit_library_call, emit_library_call_value): Use it.
6404 (expand_call): Check TREE_NOTHROW.
6406 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6407 DECL_ASSEMBLER_NAME.
6409 2000-03-09 Andreas Jaeger <aj@suse.de>
6411 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6412 (TARGET_MEM_FUNCTIONS): Define.
6414 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6416 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6418 * except.c (can_throw): See through a SEQUENCE.
6419 (nothrow_function_p): New fn.
6420 * except.h: Declare it.
6421 * function.c (current_function_nothrow): New var.
6422 (prepare_function_start): Initialize it.
6423 * output.h: Declare it.
6424 * toplev.c (rest_of_compilation): Set it.
6425 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6427 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6429 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6430 match. (cpp_compare_defs): Count the nul separator when
6431 advancing over argument names.
6433 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6435 * recog.c (preprocess_constraints): Matching constraints affect
6436 same alternative/different operand, not same operand/different
6439 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6440 register and a constant specially.
6442 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6444 * libgcc2.h: New file.
6445 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6447 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6449 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6450 * configure: Regenerate.
6453 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6455 * Makefile.in (LIBCPP_DEPS): New macro.
6456 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6458 * cpperror.c: Include cpphash.h.
6459 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6461 (lex): Don't use CPP_WARN_UNDEF.
6462 (_cpp_parse_expr): Return an int, the truth value.
6463 * cppfiles.c: Include cpphash.h.
6464 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6465 * cppinit.c (include_defaults_array): Disentangle.
6466 (cpp_cleanup): Don't free the if stack here.
6467 (cpp_finish): Pop off all buffers, not just one.
6468 * cpplib.c (eval_if_expr): Return int.
6469 (do_xifdef): Rename do_ifdef.
6470 (handle_directive): Don't use CPP_PREPROCESSED.
6471 (cpp_get_token): Don't use CPP_C89.
6472 * fix-header.c: Don't use CPP_OPTIONS.
6474 * cpplib.h: Move U_CHAR, enum node_type, struct
6475 file_name_list, struct ihash, is_idchar, is_idstart,
6476 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6477 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6478 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6479 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6480 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6481 of _cpp_simplify_pathname, _cpp_find_include_file,
6482 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6483 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6485 Change all uses of U_CHAR to be unsigned char instead.
6486 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6488 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6490 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6491 (dwarf2out_begin_prologue): Set it.
6492 (output_call_frame_info): Don't emit EH unwind info for leaves.
6494 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6495 can occur outside of an EH region.
6496 * except.c: Correct comments about rethrow behavior.
6497 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6499 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6501 * flow.c (make_edges): Always call make_eh_edge for calls.
6503 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6505 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6506 (struct cpp_buffer): Remove fname and underflow fields.
6507 (struct cpp_reader): Remove get_token field.
6508 (struct include_hash): Rename to struct ihash. Add typedef to
6510 (struct if_stack): Remove fname field.
6511 (IF_STACK_FRAME): Rename to IF_STACK.
6513 * cpperror.c (print_containing_files): Trust that there are no
6514 macro buffers below the top file buffer.
6515 * cppfiles.c: Replace all references to 'struct include_hash'
6516 with 'IHASH'. Rename initialize_input_buffer to
6517 init_input_buffer. Don't set or reference cpp_buffer->fname,
6518 use buffer->ihash->name instead.
6519 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6520 not CPP_NULL_BUFFER.
6521 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6522 IF_STACK_FRAME, IHASH not struct include_hash.
6523 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6524 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6525 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6526 references to cpp_buffer->fname (delete entirely, or use
6527 ->ihash->name instead) and IF_STACK->fname.
6528 (cpp_push_buffer): Don't set new->underflow.
6529 (do_include): Use cpp_file_buffer.
6531 * cpphash.c (collect_formal_parameters): Remove duplicate
6532 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6533 used as a macro argument name. Don't append "..." to namebuf
6534 for varargs macros. After we're done scanning, go through
6535 namebuf and make it NUL separated, not comma separated.
6536 (_cpp_compare_defs): Remove register tag from variables.
6537 Expect defn->argnames to be NUL separated.
6538 (_cpp_dump_definition): Expect defn->argnames to be NUL
6539 separated and in forward order.
6540 * cpphash.h: Update documentation of argnames field.
6542 2000-03-08 Richard Henderson <rth@cygnus.com>
6544 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6545 to fail. Don't pre-expand the source operand.
6547 * i386.md (strlensi): Initialize eoschar and align before use.
6549 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6551 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6552 CONSTRUCTOR element.
6554 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6556 * mips.c (mips_expand_prologue): If the last
6557 named argument is the vararg marker "va_list", treat it as
6558 an unnamed argument.
6560 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6562 * dbxout.c (dbxout_parms): When correcting for promoted
6563 big-endian parameters, use the mode of the DECL_RTL rather
6564 than UNITS_PER_WORD.
6566 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6568 * c-common.h (make_fname_decl): Declare.
6569 * c-common.c (make_fname_decl): Define.
6570 (declare_hidden_char_array): Remove.
6571 (declare_function_name): Use make_fname_decl.
6572 * c-decl.c (c_make_fname_decl): New function.
6573 (init_decl_processing): Set make_fname_decl.
6575 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6577 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6579 2000-03-07 Philipp Thomas <pthomas@suse.de>
6581 * po/POTFILES.in: Remove cppalloc.c from file list.
6583 2000-03-07 Steve Chamberlain <sac@pobox.com>
6585 * pj.c (pj_expand_prologue): current_function->args_info is
6586 now current_function_args_info.
6588 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6589 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6590 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6592 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6594 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6595 output as hexadecimal rather than the default octal.
6597 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6599 * cpphash.c (special_symbol): Fix thinko in previous commit.
6601 2000-03-07 Neil Booth <NeilB@earthling.net>
6603 * cppexp.c (struct operation, left_shift, right_shift,
6604 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6605 "int"s to "unsigned int"s.
6606 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6608 * cpplib.h: Update for above.
6609 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6610 returned from allocations.
6612 * cppinit.c (opt_comp, parse_options): New functions.
6613 (handle_option): Use parse_option to parse a single command
6614 line option, that possibly takes an argument.
6615 (cpp_handle_options): Sort the array of command line options on
6616 first invocation (non-ASCII hosts only).
6617 (print_help): Update.
6619 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6621 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6622 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6624 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6626 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6628 * cpperror.c (cpp_print_containing_files,
6629 cpp_print_file_and_line, v_cpp_message): Rename to
6630 print_containing_files, print_file_and_line, and v_message.
6631 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6632 to _cpp_parse_expr, parse_escape, and lex.
6633 (parse_charconst): Remove broken multibyte support.
6634 * cppfiles.c (include_hash): Make static.
6635 (cpp_included): New function.
6636 (merge_include_chains, find_include_file, finclude,
6637 simplify_pathname): Rename to _cpp_merge_include_chains,
6638 _cpp_find_include_file, _cpp_read_include_file, and
6639 _cpp_simplify_pathname.
6640 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6641 cpp_install, create_definition, macroexpand, compare_defs,
6642 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6643 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6644 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6645 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6647 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6649 * cpphash.h: Update prototypes.
6650 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6652 2000-03-07 Andrew Haley <aph@cygnus.com>
6654 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6655 PTRDIFF_TYPE should be based solely on Pmode.
6658 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6660 * rtl.h (rtunion_def): Constify member `rtstr'.
6661 (emit_line_note_after, emit_line_note, emit_line_note_force,
6662 emit_note, decode_asm_operands): Constify.
6664 * cse.c (canon_hash): Likewise.
6666 * dbxout.c (dbxout_block): Likewise.
6668 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6669 v_warning_for_asm): Likewise.
6671 * dwarfout.c (function_start_label): Likewise.
6673 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6674 emit_line_note_force): Likewise.
6676 * final.c (last_filename, asm_insn_count, final_scan_insn,
6677 output_source_line): Likewise.
6679 * function.h (struct emit_status): Likewise.
6681 * gcse.c (hash_expr_1): Likewise.
6683 * genattr.c (gen_attr, main): Likewise.
6685 * genattrtab.c (struct function_unit, current_alternative_string,
6686 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6687 attr_numeral, check_attr_test, check_attr_value,
6688 convert_set_attr_alternative, convert_set_attr,
6689 compute_alternative_mask, simplify_by_exploding, gen_attr,
6690 gen_unit): Likewise.
6692 * genflags.c (gen_insn): Likewise.
6694 * gengenrtl.c (type_from_format): Likewise.
6696 * genopinit.c (gen_insn): Likewise.
6698 * genoutput.c (n_occurrences, process_template, process_template):
6701 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6704 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6707 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6708 ggc_set_mark, ggc_get_size): Likewise.
6710 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6712 * optabs.c (init_one_libfunc): Likewise.
6714 * output.h (assemble_start_function): Likewise.
6716 * recog.c (decode_asm_operands): Likewise.
6718 * toplev.c (rest_of_compilation): Likewise.
6720 * tree.h (emit_line_note_after, emit_line_note,
6721 emit_line_note_force): Likewise.
6723 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6724 asm_emit_uninitialised, assemble_start_function,
6725 assemble_variable, const_hash, compare_constant_1,
6726 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6728 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6730 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6732 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6734 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6736 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6737 arm_dllimport_name_p): Likewise.
6739 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6742 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6744 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6746 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6747 arm_mark_dllexport, arm_mark_dllimport,
6748 arm_pe_encode_section_info): Likewise.
6750 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6751 ASM_FINISH_DECLARE_OBJECT): Likewise.
6753 * arm/thumb.c (thumb_function_prologue): Likewise.
6755 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6757 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6759 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6761 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6763 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6765 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6767 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6768 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6770 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6772 * i386/i386.c (asm_output_function_prefix): Likewise.
6774 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6776 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6778 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6780 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6781 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6782 ASM_OUTPUT_SECTION_NAME): Likewise.
6784 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6786 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6788 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6790 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6792 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6794 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6796 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6798 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6800 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6802 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6804 * mips/mips.md (movdi, movsi): Likewise.
6806 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6808 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6810 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6812 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6813 ASM_OUTPUT_ASCII): Likewise.
6815 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6816 output_mi_thunk, output_toc): Likewise.
6818 * rs6000/rs6000.md (movsi): Likewise.
6820 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6822 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6824 * v850/v850.c (print_operand, print_operand_address,
6825 v850_encode_data_area): Likewise.
6827 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6829 * config/mips/mips.md (zero_extendsidi2): Always force operand
6830 one to memory for mips16.
6832 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6834 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6835 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6836 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6837 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6838 (min_precision): Result is unsigned.
6839 (add_double, neg_double, mul_double): Low word is unsigned.
6840 (lshift_double, rshift_double, lrotate_double): Likewise.
6841 (rrotate_double, div_and_round_double): Likewise.
6842 (tree_floor_log2, compare_tree_int): New functions.
6843 (preserve_rtl_expr_temps): New declaration.
6844 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6845 (decl_attributes): Use tree_log2 to find alignment.
6846 Check for TREE_INT_CST_HIGH for format args.
6847 (min_precision): Now unsigned.
6848 Use tree_floor_log2.
6849 (truthvalue_conversion): Delete long-disabled code.
6850 * c-decl.c (finish_struct): Clean up tests on field width.
6851 (finish_function): Use compare_tree_int.
6852 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6853 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6854 (default_conversion, digest_init): Use compare_tree_int.
6855 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6856 Fix type errors in forming masks.
6857 * calls.c (initialize_argument_information): Use compare_tree_int.
6858 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6859 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6860 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6861 (store_field): Use compare_tree_int.
6862 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6863 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6864 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6865 (do_store_flag): Use compare_tree_int.
6866 * fold-const.c (encode, decode): Low part is always unsigned.
6867 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6868 (lshift_double, rshift_double, lrotate_double): Likewise.
6869 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6870 (fold_convert): Use compare_tree_int.
6871 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6872 (invert_truthvalue, case INTEGER_CST): Likewise.
6873 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6874 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6875 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6876 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6878 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6879 (expand_end_case): Use compare_tree_int.
6880 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6881 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6882 (layout_decl): Likewise.
6883 (layout_record, layout_union): Make sizes unsigned.
6884 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6885 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6886 * tree.c (struct type_hash): hashcode is unsigned.
6887 (build_type_attribute_variant, type_hash_list): Likewise.
6888 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6889 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6890 (build_complex_type): Likewise.
6891 (real_value_from_int_cst): Remove unneeded casts.
6892 (integer_all_onesp): Add casts.
6893 (tree_floor_log2, compare_tree_int): New functions.
6894 (build_index_type): Use tree_int_cst_sgn.
6895 * varasm.c (assemble_variable): Use compare_tree_int.
6897 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6899 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6901 * varasm.c (make_decl_rtl): Don't add a number to members of
6903 (make_function_rtl): Likewise.
6905 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6907 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6908 patch from 2000-01-28.
6910 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6912 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6913 filled with an insn from the jump target.
6915 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6917 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6918 (c4x_external_ref): Likewise.
6919 * config/c4x/c4x.c (struct name_list): Likewise.
6921 1999-12-16 Ben Collins <bcollins@debian.org>
6923 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6924 argument to genmultilib.
6925 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6926 the contents into the multilib.h header.
6927 * gcc.c: Declare multilib_exclusions for the specs file.
6928 (set_multilib_dir): Use it.
6929 (print_multilib_info): Likewise.
6930 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6931 to pass to genmultilib.
6933 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6935 * builtins.c (built_in_class_names, built_in_names): Constify a
6938 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6940 (_mcleanup): Ensure value matches format specifier in sprintf.
6942 * cpphash.c (special_symbol): Don't needlessly cast away
6945 * cppinit.c (base_name): Delete unused prototype.
6947 * mkdeps.c (deps_init): Make definition K&R safe.
6949 * tree.h (built_in_class_names, built_in_names): Constify a
6952 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6954 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6955 floating point instructions for epilogue delay.
6957 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6958 to gas if it supports .register pseudo.
6960 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6961 LONG_DOUBLE_TYPE_SIZE if not defined.
6962 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6963 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6965 * gengenrtl.c: Likewise.
6966 * print-rtl.c: Likewise.
6968 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6969 MASK_LONG_DOUBLE_128.
6970 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6971 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6972 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6973 (SUBTARGET_SWITCHES): Define.
6974 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6975 with -mlong-double-128.
6976 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6977 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6978 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6979 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6980 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6981 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6982 with -mlong-double-128.
6983 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6984 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6985 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6986 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6987 TARGET_LONG_DOUBLE_128): Define.
6988 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6989 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6990 long double on TARGET_ARCH64.
6992 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6994 * function.c (free_temps_for_rtl_expr): Don't free slots
6995 that have been pushed into a higher level.
6998 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7000 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7002 * basic-block.h (ALLOCA_REG_SET): Remove.
7003 (INITIALIZE_REG_SET): New macro.
7004 * flow.c (update_life_info): Use it.
7005 (calculate_global_regs_live): Likewise.
7006 (propagate_block): Likewise.
7007 * global.c (build_insn_chain): Likewise.
7008 * haifa-sched.c (schedule_region): Likewise.
7010 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7012 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7013 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7014 (DWARF_ARANGES_PAD_SIZE): New define.
7015 (output_aranges): Use it to pad the address range header.
7016 (DWARF_ROUND): Fix for non power of 2 rounding.
7018 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7020 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7022 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7024 * tree.def (RTL_EXPR): Update documentation.
7025 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7026 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7027 * function.c (preserve_rtl_expr_temp): New function.
7028 (preserve_rtl_expr_temps): Likewise.
7029 (preserve_rtl_expr_result): Use it.
7032 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7034 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7036 * regmove.c (copy_src_to_dest) Do not create src->dest move
7037 for unchanging destination.
7039 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7041 * function.h (struct sequence_stack): Remove rtl_expr.
7042 (struct emit_staus): Likewise.
7043 (seq_rtl_expr): Remove.
7044 * tree.h (free_temps_for_rtl_expr): Don't declare.
7045 (start_sequence_for_rtl_expr): Likewise.
7046 * rtl.h (preserve_rtl_expr_result): Likewise.
7047 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7048 (start_sequence_for_rtl_expr): Remove.
7049 (push_topmost_sequence): Don't save sequence_rtl_expr.
7050 (pop_topmost_sequence): Remove comment about not restoring it.
7051 (end_sequence): Don't set seq_rtl_expr.
7052 (init_emit): Don't initialize it.
7053 (mark_sequence_stack): Don't mark it.
7054 (mark_emit_status): Likewise.
7055 * except.c (protect_with_terminate): Use
7056 start_sequence_for_rtl_expr, not start_sequence.
7057 * expr.c (expand_expr, case RTL_EXPR): Don't call
7058 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7059 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7060 (preserve_rtl_expr_result): Remove.
7061 (free_temps_for_rtl_expr): Likewise.
7062 (pop_temp_slots): Likewise.
7063 (mark_temp_slot): Don't mark the rtl_expr.
7064 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7065 start_sequence_for_rtl_expr.
7067 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7069 * mkdeps.c, mkdeps.h: New files.
7070 * po/POTFILES.in: Add them.
7071 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7072 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7073 (mkdeps.o): New target.
7075 * cppfiles.c: Delete deps_output.
7076 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7077 OBJECT_SUFFIX, and base_name.
7078 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7080 (initialize_dependency_output): Use deps_init,
7081 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7082 all the unnecessary string bashing.
7083 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7085 * cpplib.c (do_include): Use deps_add_dep.
7086 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7087 deps_allocated_size, deps_size, deps_column members with
7088 single pointer to a struct deps. Delete prototype of
7091 * cppinit.c: Fix thinko in previous patch.
7093 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7095 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7096 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7097 (mode_for_size_tree): New function.
7098 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7099 * tree.h (mode_for_size_tree): New declaration.
7101 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7103 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7105 * stmt.c (is_body_block): Move...
7106 * dwarfout.c, dwarf2out.c: ...from here.
7107 * tree.h: Declare it.
7108 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7109 * final.c (final_start_function): Do call remove_unnecessary_notes
7112 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7114 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7116 * cpplib.h (_dollar_ok): New macro.
7117 (is_idchar, is_idstart): Use it.
7118 (IStable): Rename to _cpp_IStable. Declare it const if
7119 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7120 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7121 is_space): Update for renamed IStable.
7123 * cppinit.c: Delete all references to FAKE_CONST and CAT
7124 macros. Define init_IStable as empty macro if gcc >=2.7 or
7125 C99. Change TABLE() to ISTABLE and hardcode name of table.
7126 (cpp_start_read): Don't change the IStable based on
7129 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7130 changed. Handle '$' for char1 correctly.
7131 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7133 * cppexp.c (tokentab2): Make const.
7134 (cpp_lex): Make toktab const.
7135 * cppinit.c (include_defaults_array): Make const.
7136 (initialize_standard_includes): Make default_include const.
7138 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7140 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7141 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7142 (gen_decl_die): Likewise.
7143 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7144 (output_decl): Likewise.
7146 * varasm.c (make_function_rtl): If we change the name used in the
7147 rtl, update DECL_ASSEMBLER_NAME accordingly.
7148 (make_decl_rtl): Likewise.
7150 * toplev.c (rest_of_compilation): Tweak formatting.
7152 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7153 remove_unnecessary_notes.
7154 (debug_ignore_block): New fn.
7155 * toplev.h: Declare it.
7156 * emit-rtl.c (remove_unncessary_notes): Call it.
7157 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7158 * dwarf2out.h: Declare it.
7159 * final.c (final_start_function): Don't call remove_unnecessary_notes
7160 if we did insn scheduling.
7162 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7164 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7165 * cpplib.h: Delete SET_CPP_PEDANTIC.
7167 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7169 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7170 result is a RECORD_TYPE.
7172 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7174 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7176 2000-03-03 Richard Henderson <rth@cygnus.com>
7178 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7179 addition over compliments over shifts.
7181 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7183 * reload1.c (reload_combine_note_use): Handle return register USEs.
7184 REG case: Handle multi-hard-register hard regs.
7186 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7188 * md.texi: Document use of '*' in insn pattern name.
7190 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7192 * calls.c (special_function_p): operator new may not be malloc-like.
7194 * gcse.c (dump_hash_table): Really fix error in last change.
7196 2000-03-02 Denis Chertykov <denisc@overta.ru>
7198 * avr.c (print_operand): Use print_operand_address instead of
7200 * avr/libgcc.S: Cleanup code.
7202 2000-03-02 Richard Henderson <rth@cygnus.com>
7204 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7206 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7208 * tree.h (TYPE_ALIGN_UNIT): New macro.
7210 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7212 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7214 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7216 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7218 (SET_CPP_PEDANTIC): New macro.
7219 * cpplib.c (do_include): Don't bother checking system_header_p.
7220 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7221 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7223 * function.h (struct expr_status): Add x_arg_space_so_far.
7224 (arg_space_so_far): New macro.
7225 * expr.c (init_expr): Initialize it.
7226 * calls.c (emit_call_1): Reset it.
7227 (compute_argument_block_size, expand_call): Use it.
7228 (expand_call, store_one_arg): Increment it.
7230 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7232 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7235 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7237 * cppfiles.c (cpp_read_file): New function.
7239 * cpphash.c (collect_expansion): Make sure to reset last_token
7240 to NORM when we hit a string. Handle trailing whitespace
7241 properly when the expansion is empty.
7242 (create_definition): Disable line commands while parsing the
7244 (dump_definition): If pfile->lineno == 0, output a line
7245 command ahead of the dump, and add a trailing newline.
7247 * cppinit.c (append_include_chain): Add fifth argument, which
7248 indicates whether or not system headers are C++ aware.
7249 (initialize_standard_includes): New function,
7250 broken out of read_and_prescan. Pass 'cxx_aware' value from
7251 the include_defaults_array on to append_include_chain.
7252 (dump_special_to_buffer): Const-ify char array.
7253 (builtin_array): Don't dump __BASE_FILE__.
7254 (cpp_start_read): Use cpp_read_file. Reorder code for
7255 clarity. Don't output line commands here for -D/-A/-U
7256 switches. Don't call deps_output for files included with
7257 -include or -imacros.
7259 * cpplib.c (do_define): Don't pay any attention to the second
7261 (cpp_expand_to_buffer): Disable line commands while scanning.
7262 (output_line_command): Work in the file buffer.
7263 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7264 Fix formatting of comments. Prototype cpp_read_file.
7266 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7268 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7269 reference the language-equivalent of sizetype.
7270 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7271 * fold-const.c (size_binop, size_diffop): Put back checks.
7272 * gcse.c (dump_hash_table): Fix minor error in last change.
7273 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7274 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7277 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7279 * calls.c (expand_call) Do not attempt to combine stack adjustments
7280 with inhibit_defer_pop set.
7282 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7284 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7285 the DECL_SIZE for a FIELD_DECL.
7287 2000-03-01 Bruce Korb <bkorb@gnu.org>
7289 * fixinc/inclhack.tpl: remove unused symlinks
7290 * fixinc/README: GCC Maintainer info
7291 * fixinc/inclhack.sh: regen
7292 * fixinc/fixincl.sh: regen
7294 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7296 * cpphash.c (collect_expansion): Trim trailing white space
7297 from macro definitions, but don't go past the last insertion
7300 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7302 * i386.md (mulqi3): New pattern.
7304 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7306 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7308 (struct cpp_reader): Add parsing_if_directive and
7309 parsing_define_directive flags.
7310 (struct cpp_options): Remove output_conditionals flag.
7311 (check_macro_name): Delete prototype.
7313 * cpphash.h (struct macrodef): Delete.
7314 (struct reflist): Separate from struct definition.
7315 (struct definition): Remove unused fields. Add column number.
7316 (create_definition): Returns a DEFINITION *. Takes a
7317 cpp_reader * and an int.
7319 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7320 (PEEKC): Copy defn from cpplib.c.
7321 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7323 (struct arglist): Simplify.
7324 (collect_expansion): Rewrite. Get tokens by calling
7325 cpp_get_token. Add more error checking.
7326 (collect_formal_parameters): New function, broken out of
7327 create_definition and reworked to use get_directive_token.
7328 (create_definition): All real work is now in collect_expansion
7329 and collect_formal_parameters. do_define handles finding the
7330 macro name. Return a DEFINITION, not a MACRODEF.
7331 (macroexpand): Replace bcopy with memcpy throughout. Replace
7332 character-at-a-time copy loop with memcpy and pointer increments.
7333 (compare-defs): d1->argnames / d2->argnames might be null.
7335 * cpplib.c (copy_rest_of_line): Delete function.
7336 (skip_rest_of_line): Do all the work ourselves.
7337 (skip_string): New function.
7338 (parse_string): Use skip_string.
7339 (get_macro_name): New function.
7340 (check_macro_name): Delete.
7341 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7342 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7343 (handle_directive): ICE if we're called on a macro buffer.
7344 (do_define): Determine macro name and type (funlike/objlike)
7345 here. Expunge all uses of MACRODEF.
7346 (cpp_push_buffer): Set line_base to NULL.
7347 (do_undef, read_line_number): Don't worry about getting a POP token.
7348 (eval_if_expression): Set/reset parsing_if_directive around
7349 cpp_parse_expr. Don't clear only_seen_white.
7350 (skip_if_group): Remove output_conditionals logic. Use
7352 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7353 tokens under appropriate conditions.
7354 (cpp_unassert): Call do_unassert not do_assert. Oops.
7356 * cppexp.c (parse_defined): New function, break out of
7358 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7359 ourselves, with cpp_defined.
7360 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7362 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7363 * gcc.dg/strpaste-2.c: New.
7365 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7367 * fold-const.c (size_binop): Don't asert inputs are the same and
7368 have TYPE_IS_SIZETYPE set.
7369 (size_diffop): Likewise.
7371 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7373 * dwarfout.c (output_block): Output abstract blocks even if they
7374 don't have TREE_ASM_WRITTEN set.
7376 * calls.c (emit_library_call): Check for null REG.
7378 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7380 * c-decl.c (current_function_decl): Move to toplev.c.
7381 (init_decl_processing): Don't add current_function_decl as a ggc
7383 * dbxout.c (dbxout_symbol): Change return type to int.
7384 (dbxout_symbol_location, dbxout_syms): Likewise.
7385 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7386 any locals. Use current_function_func_begin_label if set.
7387 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7388 * dwarf2out.c (dwarf2out_begin_prologue): Set
7389 current_function_func_begin_label.
7390 * final.c (final_start_function): Reset it.
7391 * toplev.c (current_function_decl): Define it here.
7392 (current_function_func_begin_label): New variable.
7393 (main): Add both as ggc roots.
7394 * tree.h (current_function_func_begin_label): Declare.
7396 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7398 * gcse.c: Cleanups throughout: mostly white-space, but also
7399 some minor rearrangement of code.
7401 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7403 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7404 returns a PARALLEL. Use emit_group_load and use_group_regs
7406 (emit_library_call_value): Similarly.
7408 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7409 * pa/quadlib.asm: Remove.
7410 * pa/quadlib.c: New file.
7412 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7413 * configure: Rebuilt.
7415 2000-02-29 Philip Blundell <pb@futuretv.com>
7417 * config/arm/conix-elf.h: New file.
7418 * configure.in (arm*-*-conix*): New configuration.
7419 * configure: Regenerate.
7421 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7423 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7424 don't have TREE_ASM_WRITTEN set.
7426 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7428 * Eliminate DECL_FIELD_SIZE.
7429 * builtins.c (built_in_class_names, built_in_names): New variables.
7430 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7431 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7432 DECL_SIZE, not DECL_FIELD_SIZE.
7433 * print-tree.c (print_node): Remove code that prints extra blank
7434 lines in some cases.
7435 Properly handle inline and builtin function cases.
7436 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7437 * tree.h (built_in_class_named, built_in_names): New declarations.
7438 (union tree_decl): Rename internal unions to u1 and u2 and change
7439 some of their components.
7440 Add new field built_in_class.
7441 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7442 Reflect above changes.
7443 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7444 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7445 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7446 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7448 2000-02-28 Dmitri Makarov <dim@windriver.com>
7450 * extend.texi: Document ARM's support for long/short calls.
7452 * invoke.texi: Document ARM's -mlong-calls command line switch.
7454 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7455 (arm_encode_call_attribute): Add prototype.
7456 (arm_set_default_type_attribute): Add prototype.
7457 (arm_strip_name_encoding): Add prototype.
7459 * config/arm/arm.c (arm_init_cumulative_args): replace
7460 initialisation og 'long_calls' field with initialisation of
7461 'call_cookie' field.
7462 (enum arm_pragma_enum): New enum.
7463 (arm_pragma_long_calls): New static variable.
7464 (arm_process_pragma): Also process "#pragma long_calls_off".
7465 (arm_valid_type_attribute_p): Accept short_call attribute.
7466 (arm_comp_type_attributes): Check long/short call attributes.
7467 (arm_encode_call_attribute): New function: Encode long_call
7468 or short_call attribute in function name.
7469 (arm_set_default_type_attributes): New function: Assign
7470 default attributes to newly defined type.
7471 (current_file_function_operand): New function: Return true if
7472 the symbol is a function which has already been compiled.
7473 (arm_is_longcall_p): New function: Return true if the
7474 indicated function should be called via a long call.
7475 (arm_get_strip_length): New function. Returns number of
7476 prefix characters to be stripped from a function's name.
7477 (arm_strip_name_encoding): New function. Strip prefix characters
7478 from a function's name.
7480 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7482 (SHORT_CALL_FAG_CHAR): Define.
7483 (LONG_CALL_FAG_CHAR): Define.
7484 (ENCODED_SHORT_CALL_ATTR_P): Define.
7485 (ENCODED_LONG_CALL_ATTR_P): Define.
7486 (ARM_NAME_ENCODING_LENGTHS): Define.
7487 (STRIP_NAME_ENCODING): Define.
7488 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7489 (ARM_ENCODE_CALL_TYPE): Define.
7490 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7491 (ARM_DECLARE_FUNCTION_SIZE): Define.
7492 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7494 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7495 if a long call is needed.
7496 (call_value): Ditto.
7497 (call_symbol): Ditto.
7499 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7500 ARM_DECLARE_FUNCTION_SIZE.
7502 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7503 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7504 (ARM_STRIP_NAME_ENCODING): Undefine.
7505 (STRIP_NAME_ENCODING): Undefine.
7506 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7507 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7508 (ASM_OUTPUT_COMMON): Ditto.
7509 (ASM_DECLARE_OBJECT_NAME): Ditto.
7511 * config/arm/pe.c (arm_dllexport_name_p): Check for
7513 (arm_dllimport_name_p): Ditto.
7514 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7515 (arm_mark_dllimport): Ditto.
7517 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7519 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7521 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7523 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7525 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7527 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7528 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7529 NO_BUILTIN_WCHAR_TYPE is not defined.
7530 (CPP_WCHAR_TYPE): Delete.
7531 * cccp.c (main): Don't change wchar_type if cplusplus.
7532 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7534 2000-02-28 Nick Clifton <nickc@cygnus.com>
7536 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7538 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7540 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7541 (ASM_WEAKEN_LABEL): Define.
7543 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7545 * expr.c (store_constructor): Do not emit USE.
7546 * rtl.h (stupid_life_analysis): Remove.
7548 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7550 * function.c (number_blocks): Reset next_block_index based on
7551 what debugging format is used, not what is defined.
7553 * lcm.c: Minor reformatting throughout.
7554 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7556 * toplev.c (rest_of_compilation): Account for time in
7557 optimize_mode_switching.
7559 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7560 if only marking labels.
7562 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7564 * calls.c (expand_call): Attempt to combine stack adjustments with
7565 pending stack adjustments.
7567 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7569 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7570 to the end of the function.
7572 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7574 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7576 * final.c (next_block_index): Remove.
7577 (max_block_depth): Likewise.
7578 (pending_blocks): Likewise.
7579 (init_final): Don't initialize them.
7580 (final_start_function): Don't set next_block_index. Set up
7582 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7583 * function.h (number_blocks): New function.
7584 * function.c (get_block_vector): New function.
7585 (identify_blocks): Use it.
7586 (reorder_blocks): Set NOTE_BLOCK.
7587 (number_blocks): New function.
7588 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7589 * tree.h (BLOCK_NUMBER): New macro.
7590 (tree_block): Add block_num field.
7591 * dbxout.c (next_block_number): Remove.
7592 (dbxout_init): Don't set it.
7593 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7594 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7596 * toplev.c (rest_of_compilation): Always call
7597 find_loop_tree_blocks. Fix indentation.
7598 * dwarf2out.c (next_block_number): Remove.
7599 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7600 to determine block numbers.
7601 (gen_inlined_subroutine_die): Likewise.
7602 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7603 (decls_for_scope): Don't increment next_block_number.
7604 * dwarfout.c (next_block_number): Remove.
7605 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7606 to determine block numbers.
7607 (output_inlined_subroutine_die): Likewise.
7608 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7609 (output_decls_for_scope): Don't increment next_block_number.
7610 * sdbout.c (next_block_number): Remove.
7611 (sdbout_block): Use BLOCK_NUMBER.
7612 (sdbout_begin_block): Simplify.
7613 * xcoffout.c (next_block_number): Remove.
7614 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7615 (xcoffout_begin_block): Don't set next_block_number.
7616 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7619 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7621 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7622 (expand_builtin_strcpy): Pass correct type to size_binop.
7623 (expand_builtin_strcmp): Likewise.
7624 Clean up conditional structure.
7625 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7626 (complete_array_type): Don't use size_binop for MAXINDEX.
7627 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7628 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7629 (c_alignof): Use size_one_node.
7630 (build_unary_op): Pass arg of proper type to size_binop.
7631 (really_start_incremental_init, push_init_level): Use sizetype for
7632 constructor{,_bit,_unfilled}_index.
7633 (pop_init_label, output_init_element): Likewise.
7634 (output_pending_init_elements, process_init_element): Likewise.
7635 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7636 * expr.c (store_expr): Use size_int.
7637 (store_constructor): Use proper types for size_binop args.
7638 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7639 (expand_expr_unaligned): Likewise.
7640 (string_contant): Return object of sizetype.
7641 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7642 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7643 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7644 * fold-const.c (int_const_binop): Refine when size_int is called.
7645 (fold_convert): Likewise.
7646 (size_int_wide): Rework to take KIND as arg, only take low order
7647 bits, handle new sizetype_tab datatype, and chain entries in
7649 (size_int_type_wide): New function.
7650 (size_binop): Validate types of arguments.
7651 (ssize_binop): Deleted.
7652 (size_diffop): New function.
7653 (extract_muldiv): Only fold division into multiplication for sizetypes.
7654 * function.c (assign_parms): Use size_diffop and make sure
7655 VAR field is of ssizetype; also pass proper type to size_binop.
7656 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7657 (round_down): Deleted from here.
7658 * store-layout.c (sizetype_tab): Now an array.
7659 (sizetype_set, early_root_list): New variables.
7660 (variable_size): Use size_one_node.
7661 (round_up): Pass proper type to size_binop.
7662 (round_down): Moved to here and corrected as above.
7663 (layout_record): Pass proper arg types to size_binop.
7664 (layout_type): Likewise.
7665 If sizetype_set is zero, record the type just laid out.
7666 (make_unsigned_type): Don't call set_sizetype;
7667 (make_signed_type): Likewise; also, call fixup_signed_type.
7668 (initialize_sizetypes): New function.
7669 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7670 set name of bitsizetype to "bit_size_type".
7671 Fix up type of sizes of all types made before call.
7672 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7673 * tree.c (fix_sizetype): Deleted.
7674 (build_common_tree_nodes): Call initialize_sizetypes.
7675 (build_common_tree_nodes_2): Don't call fix_sizetype.
7676 * tree.h (TYPE_IS_SIZETYPE): New macro.
7677 (initialize_sizetype): New declaration.
7678 (enum size_type_kind): New type.
7679 (struct sizetype_tab): Deleted.
7680 (sizetype_tab): Now array; adjust sizetype macros.
7681 (size_diffop, size_int_type_wide): New functions.
7682 (size_int_wide): Change number of args and type; access macros changed.
7683 (ssize_int, sbitsize_int): New macros.
7684 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7685 (ROUND_TYPE_SIZE_UNIT): New macro.
7687 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7689 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7691 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7693 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7694 Mark as possibly unused.
7696 * cse.c (cse_insn): Delete dead code involving tablejump.
7697 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7699 * Makefile.in (libcpp.a): Start by deleting it.
7701 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7703 * cpplib.h (enum file_change_code): Added rename_file.
7704 * cpplib.c (do_line): If a filename is given, set file_change to
7706 (output_line_command): If file_change is rename_file, always
7707 output a # directive with the file name.
7709 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7711 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7713 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7714 when copying a PARM_DECL or RESULT_DECL.
7716 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7718 * fix-header.c (recognized_function): Also fix prototypes for
7719 functions taking "void".
7721 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7723 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7724 looking at reg_reloaded_contents.
7726 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7728 * Makefile.in (STMP_FIXINC): New toggle.
7729 (LIBGCC2_DEPS): Delete all references.
7730 (stmp-headers): Delete target. All references either deleted
7731 or changed to stmp-int-headers.
7732 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7733 (LIBCPP_OBJS): Take out cppalloc.o.
7734 (cppalloc.o): Delete target.
7735 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7736 (gen-protos, fix-header): Link with libiberty.a.
7737 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7740 * configure.in: Remove refs to strerror.
7741 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7742 * system.h: Take out strerror stanza.
7744 * cpperror.c (my_strerror): Delete function.
7745 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7746 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7747 * cppalloc.c: Delete file.
7748 * gen-protos.c: Don't provide xrealloc.
7750 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7751 xstrerror throughout.
7753 2000-02-26 Bruce Korb <bkorb@gnu.org>
7755 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7756 match for DOS headers, too.
7757 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7759 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7761 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7762 is right for most ELF targets.
7763 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7764 Let the default file use %U properly.
7765 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7768 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7771 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7773 * toplev.c (documented_lang_options): Correct spelling error.
7774 (decode_d_option, decode_f_option, main): Likewise.
7776 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7778 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7779 to tell assembler it is permitted to expand large constants.
7781 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7783 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7784 (aux_info_suffix): Use.
7785 (SAVE_SUFFIX): New macro.
7787 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7788 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7789 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7791 * invoke.texi (Running Protoize): Update documentation.
7793 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7795 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7797 2000-02-25 John Wehle (john@feith.com)
7799 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7801 2000-02-25 Anthony Green <green@cygnus.com>
7803 * toplev.c (rest_of_compilation): Rebuild jump labels if
7804 combine_instructions has created a new direct jump.
7805 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7807 (combine_instructions): Call try_combine with new argument.
7808 Return non-null value when new direct jump instruction is created.
7809 * rtl.h: combine_instructions returns an int.
7811 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7813 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7814 jump when changing a computed jump into a jump to a known
7817 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7819 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7820 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7822 * i386.md (define_expand "clrstrsi"): Fix typo.
7824 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7826 * rtl.texi: Fix typo.
7828 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7830 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7831 UNITS_PER_WORD. Change caller initial_elimination_offset.
7832 (rounded_frame_size): Take into account that argument pushed has
7833 changed. Fix TARGET_ALIGN_DOUBLE problem.
7835 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7837 * haifa-sched.c (schedule_block): Explain the real reason
7838 we delete REG_SAVE_NOTEs on the first insn of a block.
7839 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7841 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7843 * input.h (push_srcloc): New function.
7844 (pop_srcloc): Likewise.
7845 * toplev.c (push_srcloc): Define it.
7846 (pop_srcloc): Likewise.
7848 2000-02-24 Richard Henderson <rth@cygnus.com>
7850 * flow.c (life_analysis): When collecting reg info, clear
7853 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7855 Fix bug exposed by reload.c no longer rounding the frame
7856 size to BIGGEST_ALIGNMENT:
7857 * sh.c (rounded_frame_size): New function.
7858 (sh_expand_prologue, sh_expand_epilogue): Use it.
7859 (initial_elimination_offset): Likewise.
7861 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7863 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7864 * sh-protos.h (sh_need_epilogue): Declare.
7865 * sh.c (sh_need_epilogue_known): New static variable.
7866 (sh_need_epilogue): New function.
7867 (function_epilogue): Clear need_epilogue_known.
7868 * sh.md (return): Split into expander / insn pattern.
7869 Make the expander conditional on ! sh_need_epilogue ().
7871 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7873 * machmode.h (get_mode_alignment): Declare.
7874 (GET_MODE_ALIGNMENT): Call it.
7875 * stor-layout.c (get_mode_alignment): New function. Make
7876 sure alignment is always power of 2.
7878 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7880 * i386.h: Remove useless definition of "I386" and misleading
7883 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7885 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7886 under which TREE_PERMANENT will be set.
7887 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7888 build1): Use TREE_SET_PERMANENT.
7889 * print-tree.c (print_node): Don't report value of
7890 TREE_PERMANENT if ggc_p is true.
7892 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7893 decide whether to give a type a new alias set.
7894 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7895 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7896 of value of 'obstack'.
7899 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7901 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7903 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7905 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7906 * cpplib.c (cpp_get_token): Produce them.
7907 * cppexp.c (cpp_lex): Handle them.
7909 2000-02-23 Nick Clifton <nickc@cygnus.com>
7911 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7912 comment tests on type attributes.
7914 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7916 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7917 conform to documentation.
7918 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7919 to check for special cases.
7920 * sh-protos.h (sh_loop_align): Declare.
7921 * sh.c (sh_loop_align): Define.
7923 2000-02-22 Andrew Haley <aph@cygnus.com>
7925 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7926 (SIZE_TYPE): Is 32 bits when using -mgp32.
7927 (PTRDIFF_TYPE): Ditto.
7929 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7931 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7933 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7935 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7936 BIGGEST_FIELD_ALIGNMENT a constant.
7938 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7940 * dwarf2out.c (output_line_info): Put the marker for the end of
7941 the line number info at the actual end.
7942 (gen_struct_or_union_type_die): Use decl_function_context
7943 to check for local classes.
7944 * dwarfout.c (output_type): Likewise.
7946 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7948 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7949 for arguments with a mode, but no type.
7950 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7951 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7952 * pa/long_double.h: New file.
7953 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7954 both have 128bit wide long doubles.
7955 * configure: Rebuilt.
7957 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7959 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7961 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7962 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7963 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7965 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7967 * integrate.c (compare_blocks, find_block): Likewise.
7969 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7971 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7973 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7974 expand_asm_operands): Likewise.
7976 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7978 * predict.c (estimate_probability): Added the pointer heuristic to
7979 the collection of static branch predictors.
7981 2000-02-21 Catherine Moore <clm@cygnus.com>
7983 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7984 * invoke.texi (-mfix7000): Document.
7986 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7988 * diagnostic.c (init_output_buffer): Make it possible to output at
7989 least 32 characters if we're given a too long prefix.
7991 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7993 * varasm.c (initializer_constant_valid_p): Call
7994 lang_expand_constant to simplify the constant.
7996 2000-02-20 Bruce Korb <bkorb@gnu.org>
7998 * fixinc/inclhack.def(stdio_va_list):
7999 typedef needs to be disabled.
8000 * fixinc/inclhack.sh: regen
8001 * fixinc/fixincl.x: regen
8003 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8005 * print-rtl.c (print_rtx): Don't print addresses when
8006 flag_dump_unnumbered.
8008 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8010 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8012 (sparc_va_arg, sparc_flat_output_function_prologue,
8013 sparc_flat_output_function_epilogue): Cast value to unsigned in
8015 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8017 * sparc.md: Add default case in switch.
8019 2000-02-19 Richard Henderson <rth@cygnus.com>
8021 * c-typeck.c (add_pending_init): Don't abort for multiple
8022 fields at the same offset.
8023 (pending_init_member): Test the correct member.
8025 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8027 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8029 (start_catch_handler) : Same.
8031 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8033 * Makefile.in: Have flow.o depend on $(EXPR_H)
8035 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8037 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8038 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8039 (finish_decl): Remove -Wlarger-than code from here.
8040 * flags.h (id_clash_len): Now int.
8041 (larger_than_size): Now HOST_WIDE_INT.
8042 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8043 Clean up checking to see if in table.
8044 (make_bit_field_ref): Remove extra parm to bitsize_int.
8045 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8046 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8047 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8048 and for computing size of decl.
8049 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8050 Move -Wlarger-than code to here.
8051 (layout_record): Remove extra arg to bitsize_int.
8052 Set TYPE_BINFO_SIZE_UNIT.
8053 (layout_union): Remove extra arg to bitsize_int.
8054 Use proper type for size of QUAL_UNION.
8055 (layout_type): Remove extra arg to bitsize_int.
8056 * toplev.c (id_clash_len): Now int.
8057 (larger_than_size): Now HOST_WIDE_INT.
8058 (decode_W_option): Clean up id-clash and larger-than- cases.
8059 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8060 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8061 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8062 (struct tree_decl): New field size_unit.
8063 (size_int_wide): No HIGH operand; NUMBER is now signed.
8064 (size_int_2): Deleted.
8065 (size_int, bitsize_int): Don't use it and rework args.
8066 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8068 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8070 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8072 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8074 * invoke.texi (Warning Options): Add an explanation of why
8075 you might want the -Wfloat-equal flag.
8077 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8079 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8080 * cppinit.c (new_pending_define): Add cast to avoid warning.
8081 * expmed.c (extract_bit_field): Likewise.
8082 * flow.c (enum reorder_skip_type): New type.
8083 (skip_insns_between_blcok): New it.
8084 Rework to avoid warning about possibly undefined variable.
8085 * function.c (assign_parms): Make thisparm_boundary unsigned.
8086 * genrecog.c (write_switch): Cast XWINT result to int.
8087 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8088 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8089 one for MIPS and one for Alpha.
8090 (get_tag, copy_object): Add casts to avoid warnings.
8091 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8092 * reload.c (find_reloads): Make TYPE enum reload_type.
8093 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8094 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8095 * varasm.c (compare_constant_1): Add cast to avoid warning.
8096 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8098 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8099 Cast switch operand of size to int.
8100 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8101 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8104 2000-02-18 Nick Clifton <nickc@cygnus.com>
8106 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8107 anything for an alignment of zero.
8109 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8110 anything for an alignment of zero.
8112 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8114 * gcc.texi (Bug Reporting): Refer to bugs.html.
8115 (Bug Lists): Likewise.
8116 * system.h (GCCBUGURL): New preprocessor define.
8117 * rtl.c (fancy_abort): Use it.
8118 * gcc.c (main): Likewise.
8120 2000-02-18 Richard Henderson <rth@cygnus.com>
8122 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8123 (life_analysis_1): Subsume into ...
8124 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8125 Use update_life_info for the relaxation.
8126 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8127 entry and regs_live_at_setjmp.
8128 (set_noop_p): Simplify.
8129 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8130 (record_volatile_insns): Split into ...
8131 (delete_noop_moves): ... here,
8132 (notice_stack_pointer_modification): ... here,
8133 (insn_dead_p): ... and here.
8134 (propagate_block): Don't query INSN_VOLATILE.
8135 (mark_used_regs): Mind !PROP_REG_INFO.
8136 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8137 not in life_analysis.
8139 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8141 * loop.c (canonicalize_condition): New function,
8142 broken out of get_condition.
8143 (get_condition): Use it.
8144 * expr.h (canonicalize_condition): Prototype it.
8146 * tree.h (tree_int_cst_msb): Declare.
8147 * tree.c (tree_int_cst_msb): New function.
8149 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8151 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8154 * invoke.texi (-fmessage-length=n): Document.
8156 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8158 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8160 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8162 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8165 2000-02-17 Nick Clifton <nickc@cygnus.com>
8167 * config/arm/thumb.c: Replace includes of system headers with
8168 #include "system.h".
8170 2000-02-16 Richard Henderson <rth@cygnus.com>
8172 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8173 Add crtbeginS.o and crtendS.o.
8174 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8175 (ENDFILE_SPEC): Use crtendS.o.
8176 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8178 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8179 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8181 (__dso_handle): New variable.
8182 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8183 bias to __CTOR_END__.
8185 2000-02-16 Richard Henderson <rth@cygnus.com>
8187 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8189 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8191 * longlong.h (__clz_tab): Declare as static to match definition.
8193 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8194 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8195 (XREF_FILE_NAME): Define.
8197 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8198 (EH_FRAME_SECTION_ASM_OP): Define.
8199 (IDENT_ASM_OP): Define.
8200 (TEXT_SECTION_ASM_OP): Define.
8202 (CTORS_SECTION_ASM_OP): Define.
8203 (CTOR_SECTION_FUNCTION): Use it.
8204 (DTORS_SECTION_ASM_OP): Define.
8205 (DTOR_SECTION_FUNCTION): Use it.
8207 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8209 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8212 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8213 debug_bb_n): New functions.
8214 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8215 * basic-block.h: Prototype new functions.
8217 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8219 * configure.in: Add support for avr target.
8220 * configure: Rebuilt.
8222 * invoke.texi: Add AVR invocation docs.
8223 * install.texi: Add information about AVR.
8224 * md.texi: Add AVR constraint letters description.
8225 * extend.texi: Add description for AVR specific attributes.
8227 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8229 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8231 2000-02-16 Nick Clifton <nickc@cygnus.com>
8233 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8234 (make_insn_raw): Move RTL check here.
8236 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8238 * version.c: Include gansidecl.h and version.h.
8240 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8242 * configure.in (gcc_version): When setting, narrow search to
8243 lines containing `version_string'.
8245 * Makefile.in (mainversion): Likewise.
8246 (GCC_H): New variable.
8247 (gcc.h): Delete target.
8248 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8249 (version.o): Depend on version.h.
8250 (dbxout.o): Don't depend on gcc.h.
8252 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8253 Michael Meissner <meissner@cygnus.com>
8255 * md.texi (Simple Constraints): Add item about whitespace.
8256 * genoutput.c (strip_whitespace): New.
8257 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8258 strip_whitespace for constraints.
8259 Test pointer using NULL, not 0.
8261 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8263 * cpplib.c (do_line): Pedwarn for #line > 32767.
8265 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8267 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8269 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8270 to default cpp spec.
8271 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8272 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8275 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8278 2000-02-15 Denis Chertykov <denisc@overta.ru>
8280 * configure.in: Add support for avr target.
8282 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8284 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8285 (sh_addr_diff_vec_mode): Don't declare.
8286 * sh.c (sh_addr_diff_vec_mode): Delete.
8288 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8290 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8292 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8294 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8295 (smulsi3_highpart_i): Name.
8296 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8297 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8298 (smulsi3_highpart, umulsi3_highpart): Likewise.
8300 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8301 correctly independent of endianness.
8302 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8303 confuse the optimizers.
8304 (mulsidi3+1, umulsidi3+1): New define_split.
8306 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8308 * config/sh/sh.md: Guard insn splits against illegal registers.
8309 * config/sh/sh.h: Correct comment about macros.
8311 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8312 Andrew MacLeod <amacleod@cygnus.com>
8314 * Makefile.in (lcm.o): Depend on insn-attr.h.
8315 * basic-block.h (optimize_mode_switching): Declare.
8316 * lcm.c (tm_p.h, insn-attr.h): #include.
8317 (seginfo, bb_info): New structs.
8318 (antic, transp, comp, delete, insert) : New file-scope static variables.
8319 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8320 (reg_becomes_live, optimize_mode_switching): Likewise.
8321 * tm.texi: Add description of mode switching macros.
8322 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8324 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8325 (fldi_ok, fpscr_set_from_mem): New prototypes.
8326 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8327 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8328 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8329 (sh_flag_remove_dead_before_cse): Remove declaration.
8330 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8331 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8332 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8333 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8334 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8335 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8336 (fldi_ok): New function.
8337 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8338 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8339 (emit_df_insn): Likewise.
8340 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8341 (sh_flag_remove_dead_before_cse): Delete.
8342 (get_free_reg, fpscr_set_from_mem): New functions.
8343 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8344 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8346 2000-02-15 Loren Rittle <ljrittle@acm.org>
8348 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8350 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8352 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8353 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8355 * cccp.c: Include version.h and/or don't declare `version_string'.
8356 * collect2.c: Likewise.
8357 * alpha.c: Likewise.
8358 * arm/aof.h: Likewise.
8359 * arm/coff.h: Likewise.
8360 * arm/elf.h: Likewise.
8361 * arm/pe.h: Likewise.
8362 * arm/tcoff.h: Likewise.
8363 * arm/telf.h: Likewise.
8364 * arm/tpe.h: Likewise.
8365 * arm/vxarm.h: Likewise.
8366 * convex/convex.c: Likewise.
8367 * i386/dgux.c: Likewise.
8368 * i386/sun386.h: Likewise.
8369 * m88k/m88k.c: Likewise.
8370 * mcore/mcore-pe.h: Likewise.
8371 * mips/mips.h: Likewise.
8372 * romp/romp.h: Likewise.
8373 * sh/sh.c: Likewise.
8374 * cpphash.c: Likewise.
8375 * cppinit.c: Likewise.
8376 * dwarf2out.c: Likewise.
8377 * dwarfout.c: Likewise.
8380 * mips-tfile.c: Likewise.
8381 * protoize.c: Likewise.
8382 * toplev.c: Likewise.
8385 * version.c (version_string): Constify a char*.
8387 * version.h: New file.
8389 2000-02-14 Nick Clifton <nickc@cygnus.com>
8391 * configure.in: Add mcore-elf and mcore-pe targets.
8392 * configure: Regenerate.
8394 * NEWS: Add note that MCore port has been contributed.
8396 * invoke.texi: Document command line switches for MCore port.
8397 * install.texi: Add MCore to list of supported targets.
8399 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8401 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8402 then we will need to import the frame handling functions.
8403 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8404 to import the frames themselves.
8406 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8407 Jason Eckhardt <jle@cygnus.com>
8409 * basic_block.h: Added prototype for reorder_basic_blocks.
8410 * toplev.c: Changes to add -freorder-blocks and graph dump after
8411 block reordering is done.
8412 * flow.c (reorder_block_def): New structure for use during block
8414 (REORDER_BLOCK_*): New macros to access members of above structure.
8415 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8416 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8417 functions for block reordering.
8419 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8421 * gcc.texi (Passes): Fix typo.
8422 * md.texi (Standard Names): Ditto.
8423 * tm.texi (Storage Layout): Ditto.
8425 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8427 * cpplib.c (do_define): Only free the old definition if it
8430 2000-02-13 Neil Booth <NeilB@earthling.net>
8432 * cppfiles.c (read_and_prescan): When emitting deferred
8433 newlines, test speccase[] again instead of checking each
8434 possible whitespace character in turn. When we encounter \r,
8435 look behind for \n first, then ahead.
8437 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8439 * cse.c (cse_altered): New internal flag.
8440 (cse_insn): Set it if we changed an insn.
8441 (cse_main): Clear cse_altered before each basic block.
8442 Only garbage collect if cse_altered is true afterward.
8444 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8446 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8448 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8450 * combine.c (simplify_comparison): Fix typo.
8452 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8454 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8457 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8459 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8460 previously inserted node instead of root node. Caller changed.
8462 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8464 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8466 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8468 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8469 __dereg_frame_dtor): Add prototype argument.
8471 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8473 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8475 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8477 * gthr-vxworks.h (__gthread_once): Likewise.
8479 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8481 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8483 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8484 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8485 stack pointer in functions w/o saved registers, output LEAVE more often
8486 on TARGET_USE_LEAVE machines.
8488 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8490 * config/arm/arm.c (arm_init_cumulative_args); New function:
8491 Initlaise the CUMULATIE_ARGS strcuture for a function
8493 (arm_function_arg): New function: Determine where to place a
8494 function's argument. Also handles deciding the function's
8496 (current_file_function_operand): New function: Return true if
8497 the symbol is a function which has already been compiled.
8498 (arm_is_long_call_p): New function: Return true if the
8499 indicated function should be called via a long call.
8500 (arm_valid_type_attribute_p): New function: Return true if the
8501 attribute is a valid, arm specific, attribute.
8502 (arm_comp_type_attribute): New function: Return true if the
8503 two types have compatable, arm specific, attributes.
8505 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8507 (FUNCTION_ARG): Redefine to call arm_function_arg.
8508 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8510 (INIT_CUMULATIVE_ARGS): Redefine to call
8511 arm_init_cumulative_args.
8512 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8514 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8516 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8518 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8519 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8520 (COMP_TYPE_ATTRIBUTES): Define.
8522 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8523 if a long call is needed.
8524 (call_value): Call arm_is_long_call_p to decide if a long call
8526 (call_symbol): Call arm_is_long_call_p to decide if a long call
8529 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8531 2000-02-11 Denis Chertykov <denisc@overta.ru>
8533 * README.AVR: New file with information about the avr ports.
8534 * config/avr: New directory with avr port files.
8536 2000-02-11 Andreas Jaeger <aj@suse.de>
8538 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8540 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8542 * cpphash.c: Fix formatting, update commentary.
8543 (dump_definition): Take three separate arguments instead of a
8544 MACRODEF structure argument.
8545 * cpphash.h: Update prototype of dump_definition.
8546 * cppinit.c (cpp_finish): Update call of dump_definition.
8548 * cpplib.c (do_define): Always create new hash entry with
8549 T_MACRO type. Remove redundant check for redefinition of
8550 poisoned identifier. Update call of dump_definition.
8551 (do_undef): Don't call check_macro_name. Rename sym_length to
8553 (do_error, do_warning): Don't use copy_rest_of_line or
8555 (do_warning): Don't use pedwarn for the actual warning,
8556 only the notice about its not being in the standard. (Fixes
8557 bug with #warning in system headers.)
8558 (do_ident): Stricter argument checking - accept only a single
8559 string after #ident. Also, macro-expand the line.
8560 (do_xifdef): Use cpp_defined. De-obfuscate.
8562 (do_pragma): Split out specific pragma handling to separate
8563 functions. Use get_directive_token. Update commentary. Do
8564 not pass on #pragma once or #pragma poison to the front end.
8565 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8566 do_pragma_default): New.
8568 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8570 * jump.c (jump_optimize_1): The first operand in a relational
8572 * optabs.c (emit_conditional_move): Handle relationals which
8573 have a known true/false result.
8575 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8577 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8578 a RETURN insn into a block which already ends with a jump.
8580 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8582 * haifa-sched.c (BUF_LEN): Increase a lot.
8584 2000-02-11 Nick Clifton <nickc@cygnus.com>
8586 * configure.in: Add tm_p_file specification for thumb targets.
8587 * configure: Regenerate.
8589 * config/arm/thumb-protos.h: New file: Prototypes for exported
8590 functions defined in thumb.c.
8592 2000-02-11 Robert Lipe <robertl@sco.com>
8594 * Makefile.in (bootstrap-lean): Remove additional files.
8595 (bootstrap2-lean): Likewise.
8596 (VOL_FILES): List of files for above.
8598 2000-02-11 Nathan Sidwell <nathan@acm.org>
8600 * cpphash.c (special_symbol): Remove spurious argument to
8603 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8605 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8607 * configure: Rebuilt.
8609 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8611 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8613 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8615 * pa.c, pa.h: Remove trigraph sequences within comments.
8617 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8619 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8621 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8623 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8625 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8627 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8629 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8631 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8632 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8633 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8634 (ASM_FILE_END): Use c4x_file_end.
8635 * config/c4x/c4x.c (c4x_global_label): New function.
8636 (c4x_external_ref, c4x_file_end): Likewise.
8638 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8639 (c4x_external_ref, c4x_end_file): Likewise.
8641 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8643 * cppexp.c: Don't include cpphash.h.
8644 (parse_charconst, cpp_lex): Use cpp_defined.
8645 (cpp_lex): Use get_directive_token throughout. Remove
8646 unnecessary cases from switch. Move assertion-handling code
8648 (cpp_parse_expr): If we see '+' or '-', check the context to
8649 determine if they are unary or binary operators. Streamline
8650 the jumps a bit. Do not call skip_rest_of_line.
8652 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8653 static. Export get_directive_token. Update commentary.
8654 (cpp_defined): New function.
8655 (do_define): Remove reference to T_PCSTRING. Call
8656 free_definition to release memory for old definition, when
8658 (eval_if_expression): Set only_seen_white to 0 before calling
8659 cpp_parse_expr. Call skip_rest_of_line after it returns.
8660 (cpp_read_check_assertion): Don't preserve a pointer into the
8661 token buffer across a call to cpp_get_token.
8663 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8664 * cppfiles.c (redundant_include_p): Use cpp_defined.
8665 * cpphash.c (free_definition): New function.
8666 (delete_macro): Use it. Update commentary.
8667 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8669 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8670 from enum node_type. Prototype cpp_defined and get_directive_token.
8671 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8673 * fix-header.c (check_macro_names): Use cpp_defined.
8674 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8675 the options structure.
8677 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8679 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8681 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8683 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8684 rather than die->die_tag.
8686 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8688 * combine.c (make_extraction, force_to_mode): Avoid warning on
8689 mixed-signedness conditionals.
8690 (make_field_assignment, nonzero_bits): Likewise.
8691 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8692 (store_split_bit_field, extract_split_bit_field): Likewise.
8693 (extract_fixed_bit_field, store_bit_field,
8694 * expr.c: Change alignment to be unsigned everywhere.
8695 (move_by_pieces, store_constructor_field, store_constructor):
8696 Alignment parm is unsigned.
8697 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8698 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8699 (do_compare_rtx_and_jump): Likewise.
8700 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8701 Compare align with GET_MODE_ALIGNMENT.
8702 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8703 (get_inner_reference): Likewise.
8704 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8705 (expand_assignment): Local vars for alignment now unsigned.
8706 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8707 (do_compare_and_jump): Likewise.
8708 (store_field): Call new function expr_align.
8709 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8710 Alignment arg now unsigned.
8711 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8712 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8713 (extract_bit_field): Likewise.
8714 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8715 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8716 (get_best_mode): Alignment arg is unsigned.
8717 * rtl.h (move_by_pieces): Likewise.
8718 * store-layout.c (maximum_field_alignment, set_alignment):
8720 (layout_decl): Alignment arg is now unsigned.
8721 Remove unneeded casts.
8722 (layout_record, layout_union, layout_type): Remove unneeded casts.
8723 Local alignment variables now unsigned.
8724 (get_best_mode): Alignment arg now unsigned.
8725 * tree.c (expr_align): New function.
8726 * tree.h (expr_align): Likewise.
8727 (maximum_field_alignment, set_alignment): Now unsigned.
8728 (get_inner_reference): Alignment argument is now pointer to unsigned.
8729 * varasm.c (assemble_variable): Add cast to eliminate warning.
8731 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8733 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8734 then store directly into op0.
8736 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8737 the CALL_INSN, and emit the note immediately after it.
8739 2000-02-10 Nick Clifton <nickc@cygnus.com>
8741 * config/arm/thumb.md (epilogue): Include a (return) in the
8742 generated insn, and emit it using emit_jump_insn not
8745 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8747 * function.c (assign_temp): Change zero-sized arrays to size 1.
8748 * integrate.c (expand_inline_function): Do not update
8749 stack_alignment_needed
8750 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8751 add some sanity checking, remove optimization for function with
8754 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8756 * flow.c (mark_regs_live_at_end): Delete unused variables.
8758 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8760 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8761 in macro FRAME_GROWS_DOWNWARD.
8763 * stmt.c (expand_end_bindings): Delete unused variable.
8765 * unroll.c (iteration_info): Mark parameter `loop' with
8768 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8770 * fixinc/server.c (load_data): Return NULL if the marker line is
8772 (run_shell): If load_data returns NULL, retry the command once, in
8775 * configure: Rebuilt.
8777 2000-02-09 Bruce Korb <bkorb@gnu.org>
8779 * gcc/fixincludes: ** DELETED **
8780 * gcc/fixcpp: ** DELETED **
8781 * gcc/fixinc-nt.sed: ** DELETED **
8782 * gcc/just-fixinc: ** DELETED **
8783 * gcc/Makefile.in: Removed out-dated commentary
8784 * gcc/configure.in: Removed fast-fixincludes disablement.
8785 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8787 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8788 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8791 2000-02-09 Richard Henderson <rth@cygnus.com>
8793 * jump.c (delete_insn): Don't delete user labels at -O0.
8795 2000-02-09 Robert Lipe <robertl@sco.com>
8797 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8798 Don't link with HOST_LIBS.
8800 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8802 * configure.in: Correct --help text for --with-dwarf2.
8803 Put tm-dwarf2.h after other tm files, if it's requested.
8804 * configure: Regenerate.
8805 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8808 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8810 * cpplib.h: Provide HASHNODE typedef and forward decl of
8811 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8812 DEFINITION, struct hashnode, struct macrodef, struct
8813 definition, scan_decls prototype, default defn of
8814 INCLUDE_LEN_FUDGE moved elsewhere.
8816 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8817 definition, and struct hashnode moved here. Remove the unused
8818 'predefined' field from struct definition. Replace the 'args'
8819 union with its sole member. All users updated (cpphash.c).
8820 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8821 multiple include guard.
8823 * cpphash.c (hashf): Make static; use better algorithm; drop
8824 HASHSIZE parameter; return an unsigned int.
8825 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8826 used. Calculate HASHSIZE modulus here.
8827 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8829 (create_definition): Drop PREDEFINITION parameter.
8830 * cpplib.c (do_define): Don't calculate a hash value here.
8831 Don't pass (keyword == NULL) to create_definition.
8833 * scan.h: Prototype scan_decls here.
8834 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8835 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8836 callers of cpp_lookup and cpp_install updated.
8838 * cpphash.c (macarg): Hoist all the flag diddling out of the
8840 (macroexpand): ... and out of the loop that calls macarg.
8841 Skip over the initial paren before macro arguments with
8842 cpp_get_non_space_token; point may be some distance before
8843 that paren. Abort if it's not there.
8845 * cpplib.c (parse_clear_mark): Delete function.
8846 (parse_set_mark, parse_goto_mark): Make static.
8847 (ACTIVE_MARK_P): New macro.
8848 (skip_block_comment, skip_line_comment): Do not bump the line
8849 if ACTIVE_MARK_P is true.
8850 (cpp_pop_buffer): The buffer to be popped may not have an
8852 (cpp_get_token): When looking for the initial paren before
8853 macro arguments, only set a mark in a file buffer, Always
8854 return to that mark before proceeding to call macroexpand or
8855 return a NAME token.
8857 * cpplib.h: Remove prototypes of parse_set_mark,
8858 parse_clear_mark, parse_goto_mark.
8859 (struct cpp_options): Rename 'put_out_comments' to
8860 'discard_comments' and invert its sense.
8861 * cppinit.c, cpphash.c, cpplib.c: All users of
8862 put_out_comments changed to use discard_comments, with
8865 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8867 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8868 the edge from a block that both jumps and falls through to the
8871 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8873 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8874 constant source address is legitimate.
8876 2000-02-09 Philip Blundell <pb@futuretv.com>
8878 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8881 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8883 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8885 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8887 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8888 ends with a newline and a NUL. Don't be so clever manipulating
8891 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8893 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8894 not to BIGGEST_ALIGNMENT.
8896 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8898 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8899 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8900 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8901 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8902 * frame.c (execute_cfa_insn): Handle
8903 DW_CFA_GNU_negative_offset_extended.
8905 2000-02-08 Richard Henderson <rth@cygnus.com>
8907 * flow.c (tidy_fallthru_edges): Split out from ...
8908 (delete_unreachable_blocks): ... here.
8909 (find_basic_blocks): Use it.
8911 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8913 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8915 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8917 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8918 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8919 (fix-header.o): Don't depend on cpphash.h.
8921 * scan.c (hashstr): New function.
8922 * scan.h: Prototype it.
8923 * fix-header.c: Don't include cpphash.h. Use hashstr.
8924 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8925 hashstr. Report hash table statistics. Add private
8926 definition of xrealloc.
8928 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8930 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8932 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8934 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8935 jumps with returns unless they are jumps to the fallthru block.
8937 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8939 * i386.md (addqi3_cc): Fix contraints.
8941 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8943 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8945 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8947 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8948 carriage return after a macro name.
8950 2000-02-07 Fred Fish <fnf@be.com>
8952 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8953 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8955 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8957 * cppfiles.c (deps_output): Count spacers in deps_column.
8959 2000-02-07 Neil Booth <NeilB@earthling.net>
8961 * cppinit.c (initialize_dependency_output): If there is no
8962 suffix, don't try to look for known suffixes. Use strrchr.
8963 (cpp_start_read): Remove duplicate initialization.
8965 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8967 * calls.c (compute_argument_block_size): New argument
8968 preferred_stack_boundary.
8969 (expand_call): update cfun->preferred_stack_boundary, update call of
8970 compute_argument_block_size
8971 (emit_library_call): Increate cfun->preferred_stack_boundary
8972 to PREFERRED_STACK_BOUNDARY
8973 (emit_library_call_value): Likewise.
8974 * explow.c (allocate_dynamic_stack_spave): Likewise.
8975 * function.c (prepare_function_start): Set
8976 cfun->preferred_stack_boundary
8977 * function.h (struct function): Add preferred_stack_boundary field.
8978 * integrate.c (expand_inline_function): Update
8979 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8980 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8981 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8983 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8985 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8986 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8987 cpp_pedwarn, cpp_pedwarn_with_line,
8988 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8989 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8990 v_cpp_error_with_line, v_cpp_warning_with_line,
8991 cpp_message_from_errno, cpp_perror_with_name): Delete.
8993 * cpperror.c (cpp_print_containing_files): Take starting
8995 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8996 (v_cpp_message): Now called directly by all entry points.
8998 (cpp_pfatal_with_name, cpp_message): Delete.
8999 (cpp_notice_from_errno, cpp_ice): New functions.
9000 (cpp_notice): Is now for reporting error conditions, just
9001 without an associated file.
9002 (cpp_error, cpp_error_with_line): Don't do anything if
9003 opts->inhibit_errors is on.
9004 (cpp_pedwarn_with_file_and_line): Take column argument also.
9006 * cpplib.h: Update prototypes of exported functions.
9007 (struct cpp_options): Add inhibit_errors.
9009 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9010 non-error messages. Include intl.h.
9012 * cppinit.c, cppmain.c: Likewise. Also, use
9013 cpp_notice_from_errno instead of cpp_perror_with_name or
9014 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9016 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9017 report internal errors.
9019 * cpplib.c (do_define): Switch bcopy to memcpy.
9020 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9022 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9023 bail out early if we hit a line comment.
9025 2000-02-06 Richard Henderson <rth@cygnus.com>
9027 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9028 * basic-block.h: Declare them.
9029 * emit-rtl.h (active_insn_p): New.
9030 (next_active_insn, prev_active_insn): Use it.
9031 * rtl.h: Declare it.
9032 * function.c (emit_return_into_block): New.
9033 (thread_prologue_and_epilogue_insns): Insert return insns instead
9034 of epilogues when possible.
9035 * jump.c (jump_optimize_1): Remove code to insert a return insn
9036 on the fallthru to the exit block.
9038 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9039 and for non-empty stack frames.
9040 * i386.md (return): Expand to return-pop as needed.
9042 2000-02-06 Richard Henderson <rth@cygnus.com>
9044 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9045 constant to op1 for testing.
9047 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9049 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9050 (fixuns_truncqfqi2): Use it.
9052 2000-02-06 Richard Henderson <rth@cygnus.com>
9054 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9057 * i386.md (widening and peepholes): Mask the constant instead of
9060 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9062 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9063 input pointer before possibly branching off to the backslash
9065 * cpphash.c (macroexpand): Correctly delete \r escapes when
9066 stringifying parameters.
9067 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9068 if we can; bail out early if we hit a line comment.
9069 (handle_directive): Treat '# 123' in an .S file just like
9070 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9071 Return 1 for '# not_a_directive'.
9072 (get_directive_token): Pop macro buffers here, so that
9073 cpp_get_token can't sneakily move past a newline.
9075 (cpp_get_token): goto randomchar if handle_directive returns 0.
9077 * cppalloc.c: Update copyright.
9078 * cpplib.c: Merge all the static function prototypes into one
9080 * cpplib.h: Remove #if 0 block.
9082 * cpperror.c: Remove #ifdef EMACS block.
9083 * cppmain.c: Likewise.
9084 * cpphash.c: Remove #if 0 blocks.
9085 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9086 * cpplib.c: Remove #if 0 blocks and code referencing
9087 pcp_inside_if or for_lint. Remove duplicate error message.
9088 Fix error messages for #else after #else or #elif. Reformat.
9089 Remove archaic TODO list.
9090 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9092 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9094 * i386/osf1elf.h: Add missing backslash to multiline string.
9096 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9098 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9100 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9102 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9104 * c-common.c: Include expr.h.
9106 * c-pragma.c (mark_align_stack): Add prototype.
9108 * caller-save.c (add_stored_regs): Likewise.
9110 * combine.c (record_promoted_value): Likewise.
9112 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9115 * cppinit.c (new_pending_define): Likewise.
9117 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9119 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9120 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9121 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9122 class_scope_p): Likewise.
9124 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9125 dwarf2out_add_library_unit_info): Likewise.
9127 * ggc.h (ggc_page_print_statistics): Likewise.
9129 * haifa-sched.c (propagate_deps): Likewise.
9131 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9133 * rtl.h (set_stack_check_libfunc): Likewise.
9135 * toplev.h (set_fatal_function): Likewise.
9137 * toplev.c (set_fatal_function): Delete prototype.
9139 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9141 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9143 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9144 (FUNC_END): Likewise.
9146 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9148 * caller-save.c: Include tm_p.h.
9150 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9152 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9154 2000-02-04 Neil Booth <NeilB@earthling.net>
9156 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9159 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9161 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9162 * genflags.c: Use the max_operand_1 logic from genemit.c to
9163 calculate how many arguments gen_insn prototypes have. Remove
9164 NO_MD_PROTOTYPES ifdefs from the generated file.
9165 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9166 file. Cast gen_insn initializers to insn_gen_fn.
9167 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9168 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9170 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9172 * fixinc/Makefile.in (HDR): Add machname.h.
9175 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9177 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9178 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9179 (c4x_cpu_version): Ditto.
9180 * config/c4x/c4x-protos.h: ... here.
9182 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9184 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9185 gen_abstract_function on our context if we're a nested function.
9187 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9189 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9190 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9192 2000-02-04 Bruce Korb <bkorb@gnu.org>
9194 * fixinc/genfixes(machname.h):
9195 Move the functionality from gen-machine.h into this file.
9196 UNdef MN_NAME_PAT if there are no names to change.
9197 Also, be a little kinder when AutoGen is not present.
9199 * fixinc/Makefile.in(machname.h):
9200 Change the generation rule to use genfixes.
9202 * fixinc/fixfixes.c(machine_name):
9203 machine_name_fix's functionality now dependent upon whether
9204 MN_NAME_PAT is defined.
9206 * fixinc/fixtests.c(machine_name):
9209 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9212 * fixinc/fixlib.h(mn_get_regexps):
9215 * fixinc/gen-machine.h: DELETED
9217 2000-02-04 Jan Hubicka <jh@suse.cz>
9218 Richard Henderson <rth@cygnus.com>
9220 * i386.c (SAVE_REGS_FIRST): Remove.
9221 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9222 (ix86_compute_frame_size): Likewise.
9223 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9224 (ix86_emit_restore_regs): Remove.
9225 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9226 when a frame pointer is in use.
9227 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9228 instead of pop to restore a register when profitable; emit leave
9230 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9232 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9233 * i386.md (prologue_allocate_stack): Remove.
9234 (epilogue_deallocate_stack): Remove.
9235 (pro_epilogue_adjust_stack): New.
9237 2000-02-04 Richard Henderson <rth@cygnus.com>
9239 * function.c (diddle_return_value): Rework to use a callback function.
9240 Use current_function_return_rtx if it's been set up.
9241 (do_clobber_return_reg, clobber_return_register): New.
9242 (do_use_return_reg, use_return_register): New.
9243 (expand_function_end): Use them.
9244 * stmt.c (expand_null_return): Likewise.
9245 * function.h: Declare them.
9246 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9247 (mark_reg): Change arguments as appropriate for callback.
9248 * integrate.c (expand_inline_function): Revert 19 Jan change.
9250 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9252 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9253 (Misc): Say the scheduler, not the Haifa scheduler.
9255 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9257 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9258 when in_mem is set. Update all callers.
9260 2000-02-04 Richard Henderson <rth@cygnus.com>
9262 * i386/openbsd.h (INT_ASM_OP): Define.
9264 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9266 * tm.texi: Fix various typos.
9268 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9270 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9271 (MD_STARTFILE_PREFIX_1): New macro.
9273 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9275 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9276 destination when needed.
9277 (strmovsi, strsetsi): New expander.
9278 (strmovsi_1, strsetsi_1): New pattern.
9279 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9280 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9281 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9282 * invoke.texi (align-stringops, inline-all-stringops): Document.
9284 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9286 * i386/netbsd.h (INT_ASM_OP): Define.
9288 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9290 * cpplib.h (cpp_reader): Add new flag, no_directives.
9291 * cpphash.c (macarg): Set it.
9292 * cpplib.c (handle_directive): If no_directives is on and we
9293 find a directive, issue an error and discard the line.
9295 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9297 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9298 FP constants. Add ! TARGET_FPU check for FP constants.
9300 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9302 * flow.c (find_basic_blocks): Don't kill label_value_list
9304 (cleanup_cfg): Kill it here.
9306 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9308 * expr.c (store_field): Ensure ALIGN is no stricter than the
9311 2000-02-02 Richard Henderson <rth@cygnus.com>
9313 * jump.c (delete_insn): Partially revert 19 Jan change;
9314 don't convert unused code labels to notes at -O0.
9316 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9318 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9319 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9321 2000-02-01 Richard Henderson <rth@cygnus.com>
9323 * i386.c (general_no_elim_operand): New.
9324 (nonmemory_no_elim_operand): New.
9325 (ix86_expand_move): Copy eliminable operands before a push.
9326 * i386-protos.h: Declare new functions.
9327 * i386.h (CAN_ELIMINATE): Simplify.
9328 (PREDICATE_CODES): Update.
9329 * i386.md (push insns): Don't allow eliminable register operands.
9331 2000-02-01 Richard Henderson <rth@cygnus.com>
9333 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9334 replace BLKmode with DECL_RTL's mode.
9336 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9338 * frame.c (find_fde): Convert for loop to do-while so compiler
9339 sees it's always executed at least once.
9340 * libgcc2.c (BBINBUFSIZE): Kill.
9341 (__bb_init_prg): Use fgets.
9342 (__bb_exit_trace_func): Don't paste strings.
9343 * unroll.c (unroll_loop): Initialize unroll_type, not
9344 unroll_number, and tweak logic to match.
9346 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9348 (ix86_flags_dependant): Likewise. Disentangle control flow.
9349 (ix86_sched_reorder): Break guts out to
9350 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9351 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9354 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9355 use string concatenation. Don't save and restore esi.
9357 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9358 (machname.h): Remove script to separate file. Use two-step
9359 sequence so target is not created if script fails.
9360 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9361 identifiers are defined.
9362 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9363 an empty string, machine_name doesn't need to do anything at
9365 (is_cxx_header): Add more cases to regexp.
9366 * fixinc/fixlib.h: Update prototype.
9367 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9369 * fixinc/fixincl.c: Define NO_BOGOSITY.
9371 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9372 (hp_sysfile): Add missing comma.
9373 (math_exception): Put the wrapper ifdefs at the beginning and
9374 the end of the file.
9375 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9377 2000-02-01 Richard Henderson <rth@cygnus.com>
9379 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9380 Use CONST0_RTX. Update all callers.
9381 * sparc.h, sparc-protos.h: Update accordingly.
9382 * sparc.md (fp mov insns): Use fp_zero_operand directly
9385 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9387 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9390 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9392 * Makefile.in (specs.ready): New target.
9393 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9395 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9397 * fixinc.irix: Use unique filenames for writing into /tmp,
9398 * fixinc.ptx: Likewise.
9399 * fixinc.sco: Likewise.
9400 * fixinc.svr4: Likewise.
9401 * fixinc.winnt: Likewise.
9403 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9405 * tsystem.h: New file.
9407 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9408 s-crtS): Depend on tsystem.h.
9410 * crtstuff.c: Include tsystem.h.
9411 * frame.c: Likewise.
9412 * libgcc2.c: Likewise.
9414 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9416 * builtins.c (expand_builtin_memset): Expand for variable sized
9419 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9421 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9424 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9426 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9428 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9430 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9432 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9433 case 3->2 combining (combining with splitting) in which 2 is CC0
9434 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9435 checked at the begining of the function with the aid of calling
9436 function 'can_combine_p'.
9438 2000-01-31 Dave Brolley <brolley@redhat.com>
9440 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9442 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9444 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9447 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9449 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9451 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9454 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9456 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9457 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9458 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9459 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9460 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9461 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9462 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9463 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9464 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9465 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9467 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9468 Add %(cpp_cpu) to CPP_SPEC.
9470 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9471 Add %(cc1_cpu) to CC1_SPEC.
9473 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9475 * c-decl.c (c_decode_option): Accept optional numeric argument to
9476 -Wformat and set warn_format.
9477 * c-common.c: Don't emit warning about non-constant printf format
9478 string unless warn_format > 1.
9480 2000-01-30 Richard Henderson <rth@cygnus.com>
9482 * alpha.md (return_internal): Allow after reload only.
9484 2000-01-30 Richard Henderson <rth@cygnus.com>
9486 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9487 local frame size is zero.
9489 2000-01-30 Richard Henderson <rth@cygnus.com>
9491 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9492 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9493 * alpha.md (return): Turn into an expander.
9494 (return_internal): Don't use $26.
9495 (epilogue): Emit the return insn.
9497 2000-01-30 Richard Henderson <rth@cygnus.com>
9499 * alpha.md (negtf2, abstf2): Fix word order thinko.
9501 (trunctfsf2): Avoid intermediate rounding errors.
9503 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9505 * cppfiles.c (find_position): Drop 'colp' argument, return the
9507 (read_and_prescan): Adjust to match. Don't ever manipulate
9508 line or line_base except via find_position.
9510 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9512 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9513 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9516 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9518 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9519 just print "<command line>". If 'filename' is null or an
9520 empty string, print "<stdin>" for the filename.
9521 * cpplib.c (do_define): Don't print the 'location of the
9522 previous definition' message if we're still parsing the
9524 (cpp_pedwarn_with_file_and_line): Always call
9525 cpp_file_line_for_message.
9527 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9529 * flow.c (mark_regs_live_at_end): Fix typo.
9531 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9533 * c-common.c: Adjust variable names, comments, help strings to c99.
9534 * c-lex.c: Likewise.
9535 * c-parse.y: Likewise.
9536 * c-tree.h: Likewise.
9538 * cpplib.h: Likewise.
9539 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9540 * cppinit.c: Likewise.
9542 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9544 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9545 * c4x.c: Define the optab rtx values.
9546 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9547 (c4x_emit_libcall): Use new optab rtx values.
9548 (c4x_emit_libcall3): Likewise.
9549 (c4x_emit_libcall_mulhi): Likewise.
9550 * c4x-protos.h: Add prototypes for optab rtx values and change
9551 prototypes for above c4x_emit_libcall functions.
9553 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9555 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9557 (c4x_function_prologue): Use regnames intead of float_reg_names when
9559 (c4x_function_epilogue): Likewise.
9560 (c4x_print_operand): Likewise.
9561 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9562 * c4x.md (set_high): Disable for TARGET_TI.
9564 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9566 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9567 of framepointer + constant to ADDR_REGS class.
9568 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9569 * c4x.c (std_or_reg_operand): New function.
9570 * c4x-protos.h (std_or_reg_operand): Prototype it.
9572 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9574 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9575 object names as libgcc2.c.
9576 * libgcc.S: Use newly defined names.
9578 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9579 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9581 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9582 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9583 (FLOW_LOOP_LAST_BLOCK): Likewise.
9585 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9587 * basic-block.h (struct loop): New fields 'first' and 'last'.
9588 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9589 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9590 and loop->last to check for NOTE_INSN_LOOP_END.
9592 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9594 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9595 of the loop descriptor rather than HEADER and LATCH. Also added
9596 missing break statements as well making some coding style modifications
9597 as suggested by Michael Hayes.
9599 2000-01-28 Richard Henderson <rth@cygnus.com>
9601 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9602 Break out that code ...
9603 (cleanup_cfg): ... here.
9604 (commit_one_edge_insertion): Detect a return instruction being
9605 emitted to an edge. Emit a barrier following; clear fallthru.
9606 (commit_edge_insertions): Verify CFG consistency.
9607 * function.c (expand_function_start): Kill unused variable.
9608 (expand_function_end): Likewise.
9609 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9610 to insert the epilogue.
9612 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9613 (delete_null_pointer_checks): Likewise.
9614 * output.h: Likewise.
9615 * reg-stack.c (reg_to_stack): Likewise.
9616 * toplev.c (rest_of_compilation): Likewise. Run
9617 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9619 2000-01-28 Richard Henderson <rth@cygnus.com>
9621 * Makefile.in (flow.o): Revert 24 Jan change.
9622 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9623 FUNCTION_VALUE result to DECL_RESULT's mode.
9625 * haifa-sched.c (schedule_insns): Don't recompute reg info
9628 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9630 * configure.in: Make --enable-cpplib the default.
9631 * configure: Regenerate.
9632 * gcc.dg/990119-1.c: No longer expected to fail.
9634 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9636 * jump.c (jump_optimize_1): Delete an optimization that is also done
9637 by merge_blocks in flow.
9639 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9641 * diagnostic.c (build_message_string, output_printf,
9642 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9643 (build_location_prefix): Fix non-literal format string.
9645 2000-01-27 Richard Henderson <rth@cygnus.com>
9647 * alpha.md (trunctfsf2): New.
9649 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9651 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9653 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9655 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9657 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9659 (skip_comment) ... here. Permit C++ comments in system
9660 headers always. Warn about C++ comments in user code under
9661 -std=gnu89 -pedantic.
9662 (copy_comment): Use skip_comment.
9663 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9665 (consider_directive_while_skipping, do_else, do_endif): Call
9666 validate_else unconditionally.
9667 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9668 text after the conditional in a system header.
9669 * cpplib.h (struct cpp_buffer): Add flag
9670 warned_cplusplus_comments.
9672 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9674 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9675 Use unshare_all_rtl_1.
9676 (unshare_all_rtl_again): New function.
9677 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9679 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9680 rather than resetting the 'used' flags ourself.
9682 * toplev.c (rest_of_compilation): Add current_function_decl
9683 to the unshare_all_rtl call.
9684 * tree.h: Prototype unshare_all_rtl.
9685 * rtl.h: Prototype unshare_all_rtl_again here.
9687 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9689 * genoutput.c (output_prologue): Include ggc.h in generated
9691 * Makefile.in (insn-output.o): Depends on ggc.h.
9693 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9694 Hans-Peter Nilsson <hp@bitrange.com>
9696 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9697 Remove redundant include of xm-ns32k.h.
9698 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9699 Remove redundant include of xm-ns32k.h.
9700 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9701 Remove redundant include of xm-ns32k.h.
9702 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9704 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9705 (TARGET_SWITCHES): Add documentation strings.
9706 (DWARF_FRAME_REGNUM): Override default definition.
9707 (REG_CLASS_CONTENTS): Add comments.
9708 (SUBSET_P): Format to reduce line length.
9709 (SMALL_REGISTER_CLASSES): Make a run time option.
9710 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9711 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9712 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9713 (regclass_map): fix typo in comment.
9714 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9715 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9716 (trace, reg_or_mem_operand): Delete, unused function.
9717 (calc_address_cost): Small offsets are cheaper than large ones.
9718 (expand_block_move): Generate more efficient code when bytes is a
9719 known at compile time.
9720 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9721 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9722 instead of reg_or_mem_operand.
9724 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9725 not general_operand. Similarly use "=rm" or stricter, not "=g".
9726 For input operands, use stricter constraints than "g" if not
9727 general_operand. Similarly use stricter predicate than
9728 "general_operand" when stricter constraints than "g" are present,
9729 except for matching constraints.
9730 (movstrsi): Use "memory_operand" for operands 0 and 1.
9731 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9732 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9733 not reg_or_mem_operand.
9734 (udivmoddisi4): Ditto.
9735 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9736 Use nonimmediate_operand for operand 3, not register_operand.
9737 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9740 2000-01-27 Fred Fish <fnf@be.com>
9742 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9743 * gthr-single.h: Likewise.
9744 * gthr-solaris.h: Likewise.
9745 * gthr-vxworks.h: Likewise.
9746 * gthr-win32.h: Likewise.
9749 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9751 * cppinit.c: Add " (cpplib)" to end of string printed by
9754 2000-01-27 Richard Henderson <rth@cygnus.com>
9756 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9757 testing for a signed comparison.
9758 (alpha_emit_floatuns): New.
9759 * alpha-protos.h: Declare it.
9760 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9761 (extendsfdf2): Tidy.
9763 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9765 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9766 no -g option specifying debugging format, default to -gstabs+.
9768 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9770 * calls.c (special_function_p): New argument fork_or_exec.
9771 (expand_call): When profile_arc_flag is set and the function
9772 is in the fork_or_exec group, call __bb_fork_func first.
9773 * libgcc2.c, _bb module (__bb_fork_func): New function.
9774 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9776 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9777 * tree.h (special_function_p): Update prototype.
9779 2000-01-26 Richard Henderson <rth@cygnus.com>
9781 * alpha.c (alpha_split_tfmode_pair): New.
9782 * alpha-protos.h: Declare it.
9783 * alpha.md (abstf2, negtf2): New.
9784 (movtf insn): Add input G constraint.
9785 (movtf splitter): Use alpha_split_tfmode_pair.
9787 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9789 * i386/cygwin.h: PROTO -> PARAMS.
9791 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9793 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9794 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9795 using _Qp_cmp/_Q_cmp and testing the return value.
9796 (print_operand): Call reverse_condition_maybe_unordered if
9797 we are handling CCFPmode or CCFPEmode.
9798 Handle ORDERED, UN* and LTGT comparisons.
9799 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9800 if not TARGET_HARD_QUAD.
9801 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9802 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9803 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9804 Adjust gen_b* calls so that they reflect return comparison of
9805 sparc_emit_float_lib_cmp.
9807 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9809 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9810 incoming operands array is large enough for one more operand.
9811 (alpha_emit_xfloating_arith): Likewise.
9813 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9815 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9816 file with one line and no trailing newline.
9817 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9818 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9819 checking if the match is on the line.
9820 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9822 2000-01-25 Richard Henderson <rth@cygnus.com>
9824 * sparc.c (output_cbranch): Fix accidental squashing of the
9825 fp branch pre-delay nop.
9827 2000-01-25 Richard Henderson <rth@cygnus.com>
9829 * tree.def (UNNE_EXPR): Remove.
9830 * c-typeck.c (build_binary_op): Don't handle it.
9831 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9833 * rtl.def (UNNE): Remove.
9835 * jump.c (reverse_condition): Update accordingly.
9836 (swap_condition): Likewise.
9837 (comparison_dominates_p): Handle unordered comparisons.
9838 (reverse_condition_maybe_unordered): New.
9839 * rtl.h (reverse_condition_maybe_unordered): Declare.
9841 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9842 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9843 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9844 * sparc.md (bltgt): New.
9846 2000-01-25 Nick Clifton <nickc@redhat.com>
9848 * emit-rtl.c (emit_insn): Only check machine class insns for
9849 improper emission of a RETURN.
9851 2000-01-25 Richard Henderson <rth@cygnus.com>
9853 * Makefile.in (flow.o): Depend on $(EXPR_H).
9854 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9855 duplicate the structure of diddle_return_value for keeping regs live.
9857 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9859 * loop.c (current_loop_info): Delete.
9860 (consec_sets_invariant_p): Add loop argument, update callers.
9861 (get_condition_for_loop): Likewise.
9862 (count_nonfixed_reads, update_giv_derive): Likewise.
9863 (simplify_giv_expr, general_induction_var): Likewise.
9864 (consec_sets_giv, recombine_givs): Likewise.
9865 (move_movables): Delete loop_start and loop_end arguments,
9866 add loop argument, and update callers.
9867 (find_mem_givs, check_final_value): Likewise.
9868 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9869 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9871 (basic_induction_var): Add loop argument, delete loop_level argument,
9873 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9874 add loop argument, and update callers.
9875 (find_splittable_regs, find_splittable_givs): Likewise.
9876 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9877 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9878 (biv_total_increment): Delete loop_start and loop_end arguments;
9880 (precondition_loop_p): Delete loop_start and loop_info arguments;
9882 * loop.h (get_condition_for_loop): Add loop argument.
9883 (biv_total_increment): Delete loop_start and loop_end arguments.
9884 (precondition_loop_p): Delete loop_start and loop_info arguments;
9886 (final_biv_value): Delete loop_start and loop_end arguments;
9888 (final_giv_value, back_branch_in_range_p): Likewise.
9890 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9892 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9894 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9896 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9897 point to the new "generated_files" doc.
9899 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9901 * config/fp-bit.c (_unord_f2): Fix typo.
9903 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9905 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9906 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9907 functions obsoleted by GC, such as push_obstacks_nochange,
9908 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9909 and code which existed only to decide whether or not to call
9910 them. Remove now-unused NESTED argument from start_function;
9911 all callers changed. Do not change behavior based on ggc_p.
9912 The use of the ixp_obstack in c-iterate.c and the util_obstack
9913 in objc/objc-act.c remain; these are not obsoleted by garbage
9915 * c-tree.h: Update prototype for start_function.
9917 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9919 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9921 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9924 2000-01-25 Richard Henderson <rth@cygnus.com>
9926 * sparc-protos.h (select_cc_mode): Declare.
9927 * sparc.c (select_cc_mode): New. Handle unordered compares.
9928 (output_cbranch): Always reverse via code change. Handle
9929 unordered compares. Factor tests and string updates.
9930 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9931 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9932 * sparc.md (bunordered, bordered): New.
9933 (bungt, bunlt, buneq, bunge, bunle): New.
9935 2000-01-25 Richard Henderson <rth@cygnus.com>
9937 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9938 * ggc-common.c (ggc_add_rtx_varray_root): New.
9939 (ggc_mark_rtx_varray): New.
9940 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9941 functions down below ggc_mark_foo.
9942 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9944 2000-01-25 Richard Henderson <rth@cygnus.com>
9946 * alpha.c (secondary_reload_class): Don't allocate a secondary
9947 for integral mode memories into FLOAT_REGS. Rearrange the more
9948 complicated memory expression inward.
9950 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9952 * inclhack.def: Fixes to play nicer with FreeBSD, and
9953 corrections to comments.
9954 (cxx_unready): Add select expression.
9955 (irix_sockaddr): Add bypass expression.
9956 (machine_ansi_h_va_list): New fix.
9957 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9958 Split out addition of "#include <stdarg.h>" to...
9959 (stdio_stdarg_h): ... here.
9960 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9961 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9962 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9964 (ultrix_ifdef): Tighten up select expression.
9966 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9967 re_ct and max_mach to avoid use of shell. Make printed names
9968 match names in inclhack.def. Use static copyright date.
9969 Don't count c_test and test expressions as requiring regex_t
9970 slots. Add some commentary.
9971 * inclhack.tpl: Do not include the 'This script contains N
9972 fixup scripts' line if PROGRAM is defined. Use static
9975 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9977 * dwarf2out.c: include "varray.h", not dyn-string.h.
9978 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9979 (addr_const_to_string, addr_to_string): Lose.
9980 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9981 (struct dw_val_struct): val_addr is now an rtx.
9982 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9983 (used_rtx_varray): New varray.
9984 (dwarf2out_init): Initialize it.
9986 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9988 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9989 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9990 * Makefile.in (dwarf2out.o): Update dependencies.
9992 2000-01-24 Richard Henderson <rth@cygnus.com>
9994 * i386.c (i386_dwarf_output_addr_const): New.
9995 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9997 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9999 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10000 * i386.c (i386_simplify_dwarf_addr): New.
10001 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10003 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10005 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10006 TYPE_STUB_DECL is NULL.
10008 2000-01-24 Richard Henderson <rth@cygnus.com>
10010 * builtins.c (expand_tree_builtin): Move ...
10011 * c-common.c (expand_tree_builtin): ... here.
10013 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10015 * loop.h (LOOP_INFO): New accessor macro.
10016 * basic-block.h (struct loop): Rename field `info' to `aux'.
10017 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10018 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10019 * unroll.c (loop_iterations, unroll_loop): Likewise.
10021 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10023 * config/i386/t-cygwin: Accomodate new winsup directory layout
10024 when searching for include files.
10026 2000-01-24 Richard Henderson <rth@cygnus.com>
10028 * rtl.def: Add unordered fp comparisions.
10029 * tree.def: Likewise.
10030 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10032 * builtins.c (expand_tree_builtin): New function.
10033 * c-typeck.c (build_function_call): Use it.
10034 (build_binary_op): Support unordered compares.
10035 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10037 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10038 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10039 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10040 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10041 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10043 (swap_condition): Handle unordered compares.
10044 (thread_jumps): Check can_reverse before reversing.
10045 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10048 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10049 setcc is present before acking for cmp_optab. Update all callers.
10050 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10051 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10052 * expr.c (expand_expr): Likewise. Support unordered compares.
10053 (do_jump, do_store_flag): Likewise.
10054 * expr.h (enum libfunc_index): Add unordered compares.
10056 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10057 (DPBIT_FUNCS): Add _unord_df.
10058 * config/fp-bit.c (_unord_f2): New.
10059 * fp-test.c (main): Try unordered compare builtins.
10061 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10062 * alpha.c (alpha_comparison_operator): Check mode properly.
10063 (alpha_swapped_comparison_operator): Likewise.
10064 (signed_comparison_operator): Likewise.
10065 (alpha_fp_comparison_operator): New.
10066 (alpha_emit_conditional_branch): Handle unordered compares.
10067 * alpha.h (PREDICATE_CODES): Update.
10068 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10069 (bunordered, bordered): New.
10071 2000-01-24 Richard Henderson <rth@cygnus.com>
10073 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10074 * alpha.md (movtf): New expander, insn, and splitter.
10076 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10078 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10081 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10083 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10084 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10085 REG_ALLOC_ORDER): Add frame pointer
10086 (FRAME_POINTER_REGNUM): Set to 20
10087 (HARD_FRAME_POINTER_REGNUM): New macro.
10088 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10089 to HARD_FRAME_POINTER.
10090 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10091 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10092 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10093 (HI_REGISTER_NAMES): Add "frame".
10094 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10095 (debug_reg): Handle FRAME_POINTER_REGNUM.
10096 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10097 GENERAL_REGS and INDEX_REGS.
10098 * i386.c (SAVED_REGS_FIRST): new macro.
10099 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10100 (ix86_decompose_address, memory_address_length): Likewise.
10101 (regclass_map): Add frame pointer.
10102 (call_insn_operand): Handle frame_pointer_rtx.
10103 (reg_no_sp_operand): Likewise.
10104 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10105 (print_operand, legitimize_pic_address): Fix formating.
10106 (ix86_compute_frame_size): Make static, update prototype, new
10107 parameters padding1, padding2, use ix86_nsaved_regs, use
10108 stack_alignment_needed.
10109 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10110 to HARD_FRAME_POINTER_REGNUM conversions.
10111 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10112 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10113 (print_reg): Abort on FRAME_POINTER_REGNUM
10115 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10117 * i386.h (PREDICATE_CODES): Add aligned_operand.
10118 * i386.c (aligned_operand): New function.
10119 (ix86_aligned_p): Kill.
10120 * i386.md (movhi_1): Emit mov for aligned operands.
10121 (promoting peep2s): Use aligned_operand.
10123 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10125 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10126 expression to allow underscores in macro names.
10127 (fix_char_macro_defines): Increment scanning pointer.
10129 2000-01-23 Richard Henderson <rth@cygnus.com>
10131 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10132 * alpha/osf5.h: New file.
10133 * configure.in (alpha-*-osf5): Add it to tm_file.
10135 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10137 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10138 (alpha_emit_xfloating_cvt, function_arg): Declare.
10139 * alpha.c (alpha_emit_conditional_branch): Call
10140 alpha_emit_xfloating_compare for TFmode compares.
10141 (alpha_lookup_xfloating_lib_func): New.
10142 (alpha_compute_xfloating_mode_arg): New.
10143 (alpha_emit_xfloating_libcall): New.
10144 (alpha_emit_xfloating_arith): New.
10145 (alpha_emit_xfloating_compare): New.
10146 (alpha_emit_xfloating_cvt): New.
10147 (print_operand): Add default abort case.
10148 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10149 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10150 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10151 (RETURN_IN_MEMORY): True for TF/TCmode.
10152 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10153 (FUNCTION_ARG): Move to function_arg.
10154 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10155 (ASM_OUTPUT_LONG_DOUBLE): New.
10156 (ASM_OUTPUT_DOUBLE): Always output bits.
10157 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10158 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10159 (extenddftf2, trunctfdf2): New.
10161 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10163 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10164 * config/sparc/sol2.h: ... here.
10166 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10168 * basic-block.h (struct loops): New field `levels'.
10169 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10170 (flow_loop_level_compute): Initialise level to 1.
10171 (flow_loops_find): Set loops->levels.
10172 (flow_loops_dump): Print loops->levels.
10174 2000-01-23 Richard Henderson <rth@cygnus.com>
10176 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10177 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10179 2000-01-23 Richard Henderson <rth@cygnus.com>
10181 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10182 * i386.h (DBX_REGISTER_NUMBER): Use them.
10183 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10184 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10185 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10186 * i386/sequent.h: Kill incorrect comment.
10188 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10190 * ggc-page.c (struct page_entry): Make `context_depth' an
10192 (struct globals): Likewise.
10194 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10196 * loop.c (check_dbra_loop): When checking a loop for
10197 reversability, check the source of any stores to ensure
10198 they don't depend on an initial value.
10200 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10202 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10204 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10206 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10207 'pz_scan' into scope of entire function. Only affects
10208 compiles with -DDEBUG.
10210 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10212 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10213 section naming to that prior to 2000-01-07 patch.
10214 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10215 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10216 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10217 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10218 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10220 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10222 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10225 2000-01-21 Jim Wilson <wilson@cygnus.com>
10227 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10228 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10230 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10232 * cpphash.c (change_newlines): Delete function.
10233 (struct argdata): Delete 'newlines' and 'use_count' fields.
10234 (macroexpand): Remove code referencing those fields.
10236 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10238 * loop.c (loops_info): New variable.
10239 (loop_optimize): Allocate loops->array and free it on exit.
10240 Allocate memory for loops_info and assign to each loop,
10242 (find_and_verify_loops): Do not allocate loops->array.
10244 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10246 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10248 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10250 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10251 pseudos if expanded after first flow.
10252 (movdi_pic_label_ref): Likewise.
10254 2000-01-20 Richard Henderson <rth@cygnus.com>
10256 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10258 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10260 * Makefile.in (fixinc.sh): Depend on specs.
10261 * fixinc/Makefile.in: Add rule to create machname.h.
10262 (fixlib.o): Depend on machname.h.
10263 * fixinc/fixtests.c (machine_name): New test.
10264 * fixinc/fixfixes.c (machine_name): New fix.
10265 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10266 the machine_name test and fix.
10267 * fixinc/fixlib.h: Prototype it.
10268 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10269 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10271 * gcc.c (do_spec_1) [case P]: Take care not to create
10272 identifiers with three leading or trailing underscores.
10274 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10275 (fixincl): Don't specify libraries twice on link line.
10276 (gnu-regex.o): Remove special rule.
10277 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10278 defined by config.h. Do not define _REGEX_RE_COMP.
10279 (regcomp): Allocate and initialize a fastmap.
10280 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10282 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10284 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10286 2000-01-19 Richard Henderson <rth@cygnus.com>
10288 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10289 arguments with BB. Update all callers. Tidy line wrapping.
10291 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10293 * emit-rtl.c (try_split): Return last_insn if we split the
10296 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10298 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10299 (ix86_initial_elimination_offset): Declare.
10300 * i386.c (ix86_nsaved_regs): Break out from ...
10301 (ix86_can_use_return_insn_p): ... here.
10302 (ix86_emit_save_regs): Break out from ...
10303 (ix86_expand_prologue): ... here.
10304 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10306 (ix86_expand_epilogue): ... here.
10307 (ix86_compute_frame_size): Make static, add prototype.
10308 (ix86_initial_elimination_offset): Break out from ...
10309 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10311 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10313 * recog.h (OUT_FCN): Delete.
10315 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10317 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10319 * cppalloc.c: PROTO -> PARAMS.
10320 * cpperror.c: Likewise.
10321 * cppfiles.c: Likewise.
10322 * cpplib.c: Likewise.
10323 * cpplib.h: Likewise.
10325 * config/arm/arm-protos.h: PROTO -> PARAMS.
10326 * config/arm/arm.c: Likewise.
10327 * config/c4x/c4x.c: Likewise.
10328 * config/fr30/fr30-protos.h: Likewise.
10329 * config/nextstep.c: Likewise.
10330 * config/pa/pa.c: Likewise.
10331 * config/pj/pj.c: Likewise.
10332 * config/rs6000/rs6000.c: Likewise.
10333 * config/v850/v850-protos.h: Likewise.
10334 * config/v850/v850.c: Likewise.
10336 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10338 * i370-protos.h: New file.
10340 * i370.c: Include tm_p.h. Fix compile time warnings.
10342 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10345 * i370.md: Likewise.
10347 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10349 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10350 (target_isinf, target_isnan, eisnan): Mark parameter with
10352 (eiisinf): Wrap in INFINITY.
10353 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10354 (ibmtoe): Remove unused variable `rndsav'.
10356 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10358 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10359 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10361 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10363 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10364 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10365 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10367 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10368 Recognize Emacs mode markers also.
10369 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10370 C++ comments in C++ headers. Call is_cxx_header only if
10373 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10374 bypass for ncurses.
10375 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10376 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10377 ... these, which use the new C fixes.
10378 (math_exception): Escape literal '+' in bypass expression.
10380 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10383 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10385 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10388 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10390 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10391 prior to calling scan_loop.
10393 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10395 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10396 (split_branches, calc_live_regs): Likewise.
10398 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10400 * sh.md (fpu_single, fp_mode): New attributes.
10402 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10404 * loop.c (current_loop_info): Renamed from loop_info_data
10405 and changed to a pointer.
10406 (loop_optimize): Allocate loop_info structure for each loop
10407 and initialise to zero.
10408 (scan_loop): Set current_loop_info.
10410 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10413 2000-01-19 Richard Henderson <rth@cygnus.com>
10415 * stupid.c: Die die die.
10416 * Makefile.in (OBJS): Remove stupid.o.
10417 (stupid.o): Likewise.
10419 * except.c (emit_eh_context): Don't emit USEs for stupid.
10420 * explow.c (probe_stack_range): Likewise.
10421 * flags.h (obey_regdecls): Remove.
10422 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10423 when not optimizing.
10424 (life_analysis): Limit data collection when not optimizing.
10425 (mark_regs_live_at_end): Always mark the return value registers.
10426 (mark_used_regs): Remove dummy RETURN case.
10427 (print_rtl_with_bb): Don't consult obey_regdecls.
10428 * function.c (use_variable, use_variable_after): Remove.
10429 (assign_parms): Consult optimize not obey_regdecls.
10430 (expand_function_start): Don't emit USEs for stupid.
10431 (expand_function_end): Likewise.
10432 * global.c (build_insn_chain): Export.
10433 * integrate.c (expand_inline_function): Kill return-value USE
10435 * jump.c (jump_optimize_1): Do simple jump optimizations and
10436 dead code elimination.
10437 (calculate_can_reach_end): Remove check_deleted argument.
10438 (delete_insn): Patch out insns even when not optimizing.
10439 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10440 * rtl.h (use_variable, use_variable_after): Remove declarations.
10441 (build_insn_chain): Declare.
10442 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10443 (expand_end_bindings): Likewise.
10444 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10445 * toplev.c (obey_regdecls): Remove.
10446 (rest_of_compilation): Don't set it. Kill stupid in favour of
10447 flow1, local-alloc, and reload.
10448 (main): Don't set obey_regdecls.
10450 * config/nextstep.c (handle_pragma): Likewise.
10452 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10454 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10456 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10458 * alpha-protos.h: PROTO -> PARAMS.
10459 * alpha.c: Likewise.
10461 * h8300.c: Likewise.
10462 * i386-protos.h: Likewise.
10463 * i386.c: Likewise.
10464 * m32r-protos.h: Likewise.
10465 * m32r.c: Likewise.
10466 * mips.c: Likewise.
10467 * mips.md: Likewise.
10468 * gmon-sol2.c: Likewise.
10469 * sparc.c: Likewise.
10471 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10473 * ns32k-protos.h: New file.
10475 * ns32k.c: Fix compile time warnings.
10477 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10480 * ns32k.md: Likewise.
10482 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10484 * vax-protos.h: New file.
10486 * vax.c: Fix compile time warnings.
10488 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10491 * vax.md: Likewise.
10493 * vaxv.md: Likewise.
10495 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10497 * romp-protos.h: New file.
10499 * romp.c: Fix compile time warnings.
10501 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10504 * romp.md: Likewise.
10506 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10508 * we32k-protos.h: New file.
10510 * we32k.c: Fix compile time warnings.
10512 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10515 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10517 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10519 * except.c (eh_regs): Likewise.
10521 * final.c (output_operand): Likewise.
10523 * fold-const.c (target_isinf, target_isnan): Likewise.
10525 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10527 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10528 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10530 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10531 when optimize_size.
10532 (clrstrsi): Rewrite.
10533 (strsethi, strsetqi): New expanders.
10534 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10535 (cmpstrsi): Emit compare insn before cmpstrsi_1
10536 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10537 (strlensi_1): Likewise.
10538 (cmpstrsi_1): Likewise; do not output compare.
10539 (strlen expander): Do not unroll when optimizing for size.
10540 (*subsi3_carry): Rename to subsi3_carry
10541 (addqi3_cc): New pattern.
10542 * i386.h (processor_costs): Add move_ratio field.
10543 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10544 * i386.c (*_cost): Set move_ratio.
10545 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10546 (x86_expand_strlensi_1): Rewrite the main loop.
10548 2000-01-17 Richard Henderson <rth@cygnus.com>
10550 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10551 * cse.c (find_comparison_args, fold_rtx): Likewise.
10552 * integrate.c (subst_constants): Likewise.
10553 * loop.c (get_condition): Likewise.
10555 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10557 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10559 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10561 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10562 (RESTORE_WARN_FLAGS): Unpack it.
10563 Change semantic type of extension to ttype.
10564 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10565 * c-parse.y, c-parse.c, objc/objc-parse.y,
10566 objc/objc-parse.c: Regenerate.
10568 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10570 * fixinc/fixlib.c: Add copyright notice.
10571 (compile_re): New function.
10572 * fixinc/fixlib.h: Prototype compile_re.
10574 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10575 Use compile_re to compile regular expressions.
10577 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10578 where the pattern matched.
10580 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10582 (ultrix_ansi_compat): Likewise.
10583 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10585 (interactv_add2, interactv_add3): Delete.
10586 (x11_sprintf): Don't use filename glob.
10587 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10590 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10592 * print-rtl.c: PROTO -> PARAMS.
10593 * real.c: Likewise.
10594 * reg-stack.c: Likewise.
10595 * resource.c: Likewise.
10596 * sdbout.h: Likewise.
10597 * simplify-rtx.c: Likewise.
10598 * stor-layout.c: Likewise.
10599 * stupid.c: Likewise.
10600 * xcoffout.c: Likewise.
10601 * xcoffout.h: Likewise.
10603 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10605 * toplev.c: PROTO -> PARAMS.
10606 * toplev.h: Likewise.
10607 * tree.c: Likewise.
10608 * tree.h: Likewise.
10609 * unroll.c: Likewise.
10610 * varasm.c: Likewise.
10611 * varray.c: Likewise.
10612 * varray.h: Likewise.
10614 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10616 * reload.c: PROTO -> PARAMS.
10617 * reload.h: Likewise.
10618 * reload1.c: Likewise.
10619 * reorg.c: Likewise.
10620 * resource.h: Likewise.
10623 * rtlanal.c: Likewise.
10624 * sbitmap.h: Likewise.
10625 * sdbout.c: Likewise.
10626 * stack.h: Likewise.
10627 * stmt.c: Likewise.
10628 * system.h: Likewise.
10630 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10632 * machmode.h: PROTO -> PARAMS.
10633 * mbchar.h: Likewise.
10634 * mips-tdump.c: Likewise.
10635 * mips-tfile.c: Likewise.
10636 * optabs.c: Likewise.
10637 * output.h: Likewise.
10638 * prefix.c: Likewise.
10639 * profile.c: Likewise.
10640 * protoize.c: Likewise.
10641 * real.h: Likewise.
10642 * recog.c: Likewise.
10643 * recog.h: Likewise.
10644 * regclass.c: Likewise.
10645 * regmove.c: Likewise.
10646 * regs.h: Likewise.
10648 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10650 * ggc-common.c: PROTO -> PARAMS.
10651 * ggc-page.c: Likewise.
10652 * ggc-simple.c: Likewise.
10654 * global.c: Likewise.
10655 * graph.c: Likewise.
10656 * gthr-win32.h: Likewise.
10657 * haifa-sched.c: Likewise.
10658 * halfpic.h: Likewise.
10659 * integrate.c: Likewise.
10660 * integrate.h: Likewise.
10661 * jump.c: Likewise.
10663 * local-alloc.c: Likewise.
10664 * loop.c: Likewise.
10665 * loop.h: Likewise.
10667 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10669 * genattr.c: PROTO -> PARAMS.
10670 * genattrtab.c: Likewise.
10671 * gencheck.c: Likewise.
10672 * gencodes.c: Likewise.
10673 * genconfig.c: Likewise.
10674 * genemit.c: Likewise.
10675 * genextract.c: Likewise.
10676 * genflags.c: Likewise.
10677 * gengenrtl.c: Likewise.
10678 * genopinit.c: Likewise.
10679 * genoutput.c: Likewise.
10680 * genpeep.c: Likewise.
10681 * genrecog.c: Likewise.
10683 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10685 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10687 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10689 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10690 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10691 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10692 * configure, config.in: Rebuilt.
10694 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10696 * config/i386/i386.md: Add peephole to merge successive stack
10699 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10701 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10702 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10703 when walking backwards to find all the parameter loads when
10704 the basic block ends in a call.
10706 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10708 * loop.c (this_loop_info): Delete.
10709 (uid_loop): Add in place of uid_loop_num. All uses updated.
10710 (loop_number_exit_count): Delete and replace with entry in loop
10711 structure. All uses updated.
10712 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10713 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10714 (loop_outer_loop): Likewise.
10715 (loop_invalid, loop_number_exit_labels): Likewise.
10716 (loop_used_count_register): Delete and replace with entry in
10717 loop_info structure.
10718 (find_and_verify_loops): Add loops argument.
10719 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10720 loop_end, etc. arguments with loop structure pointer. All callers
10722 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10723 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10724 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10725 (insert_bct): Likewise.
10726 (basic_induction_var): New argument level.
10727 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10728 vtop, and cont. Add used_count_register.
10729 (uid_loop): Delete declaration.
10730 (loop_number_exit_count): Likewise.
10731 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10732 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10733 (loop_outer_loop, loop_used_count_register): Likewise.
10734 (loop_invalid, loop_number_exit_labels): Likewise.
10735 (unroll_loop): Replace loop_start and loop_end arguments
10736 with loop structure pointer.
10737 (loop_precondition_p, loop_iterations): Likewise.
10738 Include basic-block.h.
10739 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10740 with loop structure pointer.
10741 (loop_precondition_p, loop_iterations): Likewise.
10742 * basic-block.h (struct loop): New entries vtop, cont,
10743 cont_dominator, start, end, top, scan_start, exit_labels,
10745 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10747 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10749 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10751 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10753 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10755 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10757 * pdp11-protos.h: New file.
10759 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10762 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10765 * pdp11.md: Likewise.
10767 * 2bsd.h: Likewise.
10769 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10771 * mn10300-protos.h: New file.
10773 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10776 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10779 * mn10300.md: Likewise.
10781 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10783 * mn10200-protos.h: New file.
10785 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10788 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10791 * mn10200.md: Likewise.
10793 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10795 * h8300-protos.h: New file.
10797 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10800 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10803 * h8300.md: Likewise.
10805 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10807 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10808 (asm_emit_uninitialised): Likewise.
10810 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10812 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10813 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10815 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10817 * config/mips/mips.c (override_options): Don't turn on extra
10818 alignment for mips16.
10820 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10822 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10823 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10826 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10828 * builtins.c (PAD_VARARGS_DOWN): Define.
10829 (std_expand_builtin_va_arg): Use the above macro.
10830 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10831 * tm.texi (Register Arguments): Document the above macro.
10833 2000-01-14 Nick Clifton <nickc@cygnus.com>
10835 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10836 that this function has not been used to emit a jump
10839 * jump.c (return_jump_1): Cope with being passed a null rtx.
10841 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10843 * eh-common.h: PROTO -> PARAMS.
10844 * emit-rtl.c: Likewise.
10845 * errors.c: Likewise.
10846 * errors.h: Likewise.
10847 * except.c: Likewise.
10848 * except.h: Likewise.
10849 * explow.c: Likewise.
10850 * expmed.c: Likewise.
10851 * expr.c: Likewise.
10852 * expr.h: Likewise.
10853 * final.c: Likewise.
10854 * fix-header.c: Likewise.
10855 * flow.c: Likewise.
10856 * fold-const.c: Likewise.
10857 * function.c: Likewise.
10858 * function.h: Likewise.
10860 * gcov-io.h: Likewise.
10861 * gcov.c: Likewise.
10862 * gcse.c: Likewise.
10864 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10866 * sh-protos.h: New file.
10868 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10869 Add static prototypes. Fix compile time warnings.
10871 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10875 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10877 * arc-protos.h: New file.
10879 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10882 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10885 * arc.md: Likewise.
10887 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10889 * dsp16xx-protos.h: New file.
10891 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10894 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10897 * dsp16xx.md: Likewise.
10899 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10901 * convex-protos.h: New file.
10903 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10906 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10909 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10911 * elxsi-protos.h: New file.
10913 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10916 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10919 * elxsi.md: Likewise.
10921 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10923 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10924 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10925 match the comment for MIPS16.
10927 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10929 * flow.c (split_edge): Do not call set_block_for_insn if we
10930 do not have a basic_block_for_insn structure.
10932 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10933 and destination functions are 32bit aligned within the trampoline.
10934 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10935 (TRAMPOLINE_ALIGNMENT): Define.
10937 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10938 (set (pc) (label_ref)), verify the change creates a valid insn.
10940 * fr30.c (call_operand): Tighten and rework to match rules for
10941 call RTL expressions.
10942 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10943 * fr30.md (call patterns): Improve constraints.
10945 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10947 * fr30.c (fr30_expand_epilogue): Revert last change.
10948 Use emit_jump_insn for the return insn.
10950 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10951 Stan Cox <scox@cygnus.com>
10953 * predict.c: New file. Preliminary infrastructure work for static
10954 branch prediction and basic block reordering.
10955 * basic-block.h: Add prototype for estimate_probability.
10956 * Makefile.in: Add rules for predict.o.
10958 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10960 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10961 * fixinc/*: Likewise.
10963 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10965 * cccp.c: PROTO -> PARAMS.
10966 * cexp.y: Likewise.
10967 * collect2.c: Likewise.
10968 * combine.c: Likewise.
10969 * convert.h: Likewise.
10971 * dbxout.c: Likewise.
10972 * dbxout.h: Likewise.
10973 * diagnostic.c: Likewise.
10974 * doprint.c: Likewise.
10975 * dwarf2out.c: Likewise.
10976 * dwarf2out.h: Likewise.
10977 * dwarfout.c: Likewise.
10978 * dwarfout.h: Likewise.
10979 * dyn-string.h: Likewise.
10981 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10983 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10984 macro conditionals guarding use.
10986 * dwarf2out.c: Include "tm_p.h".
10988 * function.c (locate_and_pad_parm): Mark parameter with
10990 (expand_function_end): Likewise for variable `context'.
10992 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10994 2000-01-13 Nick Clifton <nickc@cygnus.com>
10996 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10997 register to prevent compile time warnings.
10999 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11001 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11002 to avoid -Wtraditional warning.
11004 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11006 * 1750a-protos.h: New file.
11008 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11011 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11014 * 1750a.md: Likewise.
11016 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11018 * a29k-protos.h: New file.
11020 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11023 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11026 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11028 * clipper-protos.h: New file.
11030 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11033 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11036 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11038 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11040 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11042 * configure.in (--enable-new-gxx-abi): New option.
11043 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11044 * Makefile.in (GXX_ABI_FLAG): New variable.
11045 * configure: Regenerate.
11047 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11049 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11050 * tm.texi (FORCE_STRUCT_BLK): Document.
11051 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11053 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11055 * config/ns32k/ns32k.md: Revert Jan 9 change.
11057 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11058 to a mode-test, if the predicate is address_operand.
11060 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11062 * combine.c (if_then_else_cond): Be careful about what kinds
11063 of RTL expressions are passed to operand_subword.
11065 * flow.c (split_edge): If we have to insert a new jump, make
11066 sure to associate it with a basic block.
11068 * flow.c (commit_one_edge_insertion): A block with one successor
11069 can end in a JUMP_INSN that is not a simplejump.
11071 2000-01-12 Robert Lipe <robertl@sco.com>
11073 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11074 (BUILD_VA_LIST_TYPE): Define.
11075 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11078 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11080 * cccp.c (do_pragma): Add cast to (char *).
11082 2000-01-12 Richard Henderson <rth@cygnus.com>
11083 Fred Fish <fnf@be.com>
11084 Jason Merrill <jason@cygnus.com>
11086 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11087 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11088 * i386/beos-elf.h, i386/beos-pe.h: New files.
11090 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11091 * cross-make (SYSTEM_HEADER_DIR): Define using
11092 CROSS_SYSTEM_HEADER_DIR.
11094 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11095 (process_command): Use it.
11096 (main): Likewise. Kill trailing = from env vars.
11097 (build_search_list): Put it back.
11098 * collect2.c (main): Use LIBRARY_PATH_ENV.
11100 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11101 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11103 * tm.texi (Frame Layout): Document SMALL_STACK.
11104 * c-common.c (c_common_nodes_and_builtins): Check it.
11106 * system.h: Undef alloca after including glibc's <stdlib.h>,
11107 if USE_C_ALLOCA is defined.
11109 * gcc.c (set_input): New fn.
11110 (main): After all input files are compiled, reset the input file
11113 * aclocal.m4 (rindex, index): If already defined, don't attempt
11116 * ginclude/varargs.h: (__va_list__): Define ifndef.
11117 * ginclude/stdarg.h: Likewise.
11119 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11120 instead of unsigned char.
11122 * hash.h (true, false, boolean): Undef before enum.
11124 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11125 proper type of "HOST_WIDE_INT *", rather than their natural type of
11126 "unsigned HOST_WIDE_INT *".
11128 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11130 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11132 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11134 * regclass.c (choose_hard_reg_mode): Likewise.
11136 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11138 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11140 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11142 * c-common.c: PROTO -> PARAMS.
11143 * c-common.h: Likewise.
11144 * c-decl.c: Likewise.
11145 * c-iterate.c: Likewise.
11146 * c-lang.c: Likewise.
11147 * c-lex.c: Likewise.
11148 * c-lex.h: Likewise.
11149 * c-parse.in: Likewise.
11150 * c-pragma.c: Likewise.
11151 * c-pragma.h: Likewise.
11152 * c-tree.h: Likewise.
11153 * c-typeck.c: Likewise.
11154 * objc/objc-act.c: Likewise.
11155 * objc/objc-act.h: Likewise.
11157 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11159 * m88k-protos.h: New file.
11161 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11164 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11166 * m88k.md: Likewise.
11168 * tekXD88.h: Likewise.
11170 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11172 * m68k-protos.h: New file.
11174 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11177 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11179 * mot3300.h: Likewise.
11181 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11183 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11185 (extract_bitlist): Declare bitlen.
11187 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11189 * cccp.c: Accept and ignore -lang-fortran.
11191 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11192 qualifiers don't match at any level of pointerness.
11194 2000-01-12 Robert Lipe <robertl@sco.com>
11196 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11198 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11200 * reload1.c (reload_reg_unavailable): New static variable.
11201 (reload_reg_free_p): Test it.
11202 (reload_reg_free_for_value_p): Test it instead of
11204 (choose_reload_regs_init): Compute it.
11206 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11208 * reorg.c (fill_slots_from_thread): Check modified_in_p
11211 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11213 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11214 these nodes even if INTERNALS is not set.
11216 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11218 * gcse.c (delete_null_pointer_checks_1): Cope when
11219 get_condition cannot determine the condition.
11221 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11223 * toplev.h (set_message_length): Declare.
11225 * diagnostic.c (obstack_chunk_alloc): Define macro.
11226 (obstack_chunk_free): Likewise.
11227 (struct output_buffer): New data structure.
11228 (vmessage): Remove.
11229 (output_maximum_width): New variable.
11230 (doing_line_wrapping, set_message_length, init_output_buffer,
11231 get_output_prefix, output_space_left, emit_output_prefix,
11232 output_newline, output_append, output_puts, dump_output,
11233 vbuild_message_string, build_message_string, build_location_prefix,
11234 voutput_notice, output_printf, line_wrapper_printf,
11235 vline_wrapper_message_with_location): New functions. Implement
11236 automatic line wrapping.
11237 (v_message_with_decl): Make it handle automatic line wrapping.
11238 (v_error_with_file_and_line): Likewise.
11239 (v_warning_with_file_and_line): Likewise.
11240 (announce_function): Likewise.
11241 (default_print_error_function): Likewise.
11243 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11245 * cpplib.h (struct cpp_options): Change lang_asm to char.
11247 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11248 done in cpp_handle_option now.
11249 (initialize_builtins): Take out special case code used only by
11251 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11252 if -traditional. Recognize -lang-fortran and set
11253 lang_fortran, also turn off cplusplus_comments.
11254 (print_help): Document -lang-fortran.
11255 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11256 lang_asm. Ignore all directives other than `# 123 "file"' if
11258 (cpp_get_token): If -traditional, don't recognize directives
11259 unless the # is in column 1.
11260 (parse_string): If lang_fortran or lang_asm, silently
11261 terminate strings ('' or "") at end of line.
11262 Remove unnecessary braces.
11264 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11265 Richard Henderson <rth@cygnus.com>
11267 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11269 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11270 strict_low_part when possible.
11272 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11274 * alias.c: PROTO -> PARAMS.
11275 * basic-block.h: Likewise.
11276 * bitmap.c: Likewise.
11277 * bitmap.h: Likewise.
11278 * builtins.c: Likewise.
11279 * c-aux-info.c: Likewise.
11280 * caller-save.c: Likewise.
11281 * calls.c: Likewise.
11283 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11285 * Makefile.in (toplev.o): Depend on regs.h.
11287 * output.h (tdesc_section): Prototype.
11289 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11291 * sdbout.c: Include "tm_p.h".
11293 * toplev.c: Include "regs.h".
11295 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11297 * unroll.c (unroll_loop): Add EH support.
11299 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11301 * pa-protos.h: New file.
11303 * pa.c: Include recog.h and tm_p.h.
11304 (compute_zdepwi_operands, compute_movstrsi_length,
11305 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11306 find_addr_reg, import_milli): Add static prototypes.
11307 (pa_cpu_string, pa_arch_string): Constify a char*.
11308 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11309 (read_only_operand): Add argument `mode'.
11310 (singlemove_string, output_move_double, output_fp_move_double,
11311 output_block_move, output_and, output_ior, output_ascii,
11312 remove_useless_addtr_insns, milli_names, output_mul_insn,
11313 output_div_insn, output_mod_insn, output_arg_descriptor,
11314 output_cbranch, output_bb, output_bvb, output_dbra, ,
11315 output_millicode_call, output_call, hppa_encode_label,
11316 output_parallel_movb, output_parallel_addb): Constify a char*.
11317 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11318 (output_parallel_addb): Remove extra arg to `constrain_operands'
11320 * pa.h: Move all prototypes to pa-protos.h.
11321 (pa_cpu_string, pa_arch_string): Constify a char*.
11322 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11324 * pa.md: Call `function_label_operand' with mode argument.
11325 Likewise for `read_only_operand'.
11326 Fix nesting of parens in call to `symbolic_operand'.
11328 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11330 * i860-protos.h: New file.
11332 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11335 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11337 * i860.md: Likewise.
11339 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11341 * i386.md (movstrsi expander): Rewrite.
11342 (movstrsi_1 insn): Deleted.
11343 (strmovhi, strmovqi expander): New expanders.
11344 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11345 * i386.c (x86_single_stringop): New global variable.
11346 * i386.h (x86_single_stringop): Declare.
11347 (TARGET_SINGLE_STRINGOP): New macro.
11349 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11351 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11352 integer vararg POSTINCREMENT before the destination of the jump
11353 for the hard fp case.
11354 (function_arg_pass_by_reference): Pass a copy of CUM to
11357 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11358 for CONSTANT_ADDRESS_P above while loop for subreg.
11360 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11362 * flow.c (propagate_block): When a prologue/epilogue insn
11363 is marked dead, unconditionally clear libcall_is_dead and
11364 insn_is_dead, and only dump rtl if warnings aren't being
11367 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11369 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11370 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11371 (FIXED_REGISTERS): Set dirflag as fixed.
11372 (CALL_USED_REGISTERS): Set dirflag as used.
11373 (REG_ALLOC_ORDER): Set dirflag as last one.
11374 (DIRFLAG_REG): New macro.
11375 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11376 (HI_REGISTER_NAMES): Add dirflag.
11377 (DEBUF_PRINT_REG): Handle dirflag.
11378 * i386.md (type attribute): New cld and str types.
11379 (length_opcode attribute): Set cld and str to 1.
11380 (memory attribute): Set str to unknown - it is not clear from the
11382 (pent_np function unit): Prefixed string operations takes 12 cycles
11383 minimally; cld takes 2 cycles.
11384 (ppro_uops attribute): Str is "many" and cld is "few".
11385 (ppro_p0 unit): Handle cld here.
11386 (k6_alux unit): Handle cld and str types.
11387 (k6_load unit): It is ocupied by str opcodes.
11388 (k6_store unit): It is ocupied by str opcodes.
11389 (athlon_decode): Str is vector decoded.
11390 (athlon_ieu): Handle str and cld.
11391 (cld pattern): New.
11392 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11393 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11394 cmpstrsi_nz_1 insn): Do not output cld instruction
11396 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11398 * gcc.texi (G++ and GCC): Add Java and Chill.
11399 (Bug Critera): Don't list languages.
11401 * gcc.texi (Incompatibilities): No longer claim most C compilers
11404 * gcc.texi (G++ and GCC): Update other front-ends list.
11406 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11408 * i386.c (ix86_expand_setcc): Fix typo.
11409 (ix86_expand_movcc): Similarly.
11411 * Band-aid until haifa's bitset implementation is nuked.
11412 * haifa-sched.c (extract_bitlst): New parameter for size of the
11413 bitset in bits. All callers changed. Avoid looking at undefined
11414 bits in the bitset.
11415 (edgeset_bitsize): New variable.
11416 (schedule_region): Initialize edgeset_bitsize.
11418 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11420 * Makefile.in (optabs.o): Depend on real.h
11421 (resource.o): Depend on insn-attr.h
11423 * builtins.c (result_vector): Wrap prototype in macro conditions
11424 governing definition and use.
11426 * c-common.c: Include tm_p.h.
11428 * c-lex.c: Likewise.
11430 * elfos.h: Constify a char*.
11432 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11433 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11434 parameter with ATTRIBUTE_UNUSED.
11436 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11439 * haifa-sched.c (schedule_insns): Mark parameter with
11442 * optabs.c: Include real.h.
11444 * real.h (ereal_atof): Add prototype arguments.
11446 * resource.c: Include insn-attr.h.
11448 * sdbout.c (sdbout_queue_anonymous_type,
11449 sdbout_dequeue_anonymous_types): Wrap in macro
11450 SDB_ALLOW_FORWARD_REFERENCES.
11451 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11454 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11456 * stupid.c: Include tm_p.h.
11458 * tree.c (real_value_from_int_cst): Mark parameter with
11461 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11463 * i960-protos.h: New file.
11465 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11468 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11470 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11472 * combine.c (expand_field_assignment): Do not discard SUBREGs
11473 while computing nonzero_bits.
11475 2000-01-09 Nick Clifton <nickc@cygnus.com>
11477 * config/arm/arm.c: Fix compile time warnings about signed vs
11478 unsigned constants.
11479 * config/arm/arm.h: Fix compile time warnings about signed vs
11480 unsigned constants.
11482 2000-01-09 Philip Blundell <philb@gnu.org>
11484 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11485 than `ldm' with only one register.
11486 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11489 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11492 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11494 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11497 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11499 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11500 assignment used as truth value.
11502 * function.c (assign_temp): Mark parameter `dont_promote' with
11503 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11504 PROMOTE_FOR_CALL_ONLY.
11506 * genrecog.c (write_subroutine): Mark variable `operands' with
11509 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11512 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11513 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11515 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11518 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11520 * config/c4x.h: Tidy up comments.
11521 * config/c4x.c: Likewise.
11523 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11525 * fold-const.c (lshift_double, rshift_double): Handle
11526 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11528 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11530 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11531 in prepare_function_start().
11533 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11535 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11536 longer allocate extra stack for function calls.
11538 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11540 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11542 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11544 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11546 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11548 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11549 * aix43.h: Revert Aug 2 change.
11550 (HAS_INIT_SECTION): Define, not visible yet.
11551 (LD_INIT_SWITCH): Define, not visible yet.
11552 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11554 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11556 * collect2.c (main): Expand ld2 size further.
11557 (export_object_lst): Cast assignment to avoid warning.
11558 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11559 (scan_prog_file, COFF): Do not collect initialization or
11560 finalization functions generated for entire shared object if
11561 init/fini support present.
11563 2000-01-07 Nick Clifton <nickc@cygnus.com>
11565 * config/elfos.h: Tidy up formatting of marcos. Make sure
11566 that .section directives are always prefixed by a tab.
11568 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11571 2000-01-07 Matt Austern <austern@sgi.com>
11573 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11576 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11578 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11580 (crtbegin.o, s-crtS): Likewise.
11582 2000-01-06 Richard Henderson <rth@cygnus.com>
11584 * alpha.md (adddi_2+1): Limit offset such that it will be
11585 loadable with a single ldah+lda pair.
11586 (adddi_2+2): Explicitly fail split if we can't make it work.
11588 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11590 * protoize.c: Conditionally include unistd.h.
11591 (IS_SAME_PATH_CHAR): New macro.
11592 (IS_SAME_PATH): New macro.
11593 (CPLUS_FILE_SUFFIX): New macro.
11594 (cplus_suffix): New static variable.
11595 (is_abspath): New static function.
11596 (in_system_include_dir): Handle DOS style pathnames.
11597 (file_could_be_converted): Likewise.
11598 (file_normally_convertible): Likewise.
11599 (directory_specified_p): Likewise.
11600 (file_excluded_p): Likewise.
11601 (abspath): Likewise.
11602 (shortpath): Likewise.
11603 (referenced_file_is_newer): Likewise.
11604 (save_def_or_dec): Likewise.
11605 (do_processing): Likewise.
11607 (edit_file): Likewise. Use rename instead of link.
11608 (rename_c_file): Likewise. Don't rename syscalls file.
11609 (munge_compile_params): Define null device for DOS based systems.
11610 (process_aux_info_file): Use binary mode if appliable.
11611 (edit_file): Likewise.
11612 * invoke.texi (Running Protoize): Document C++ suffixes used.
11614 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11615 IS_DIR_SEPARATOR macros.
11616 * collect2.c: Likewise.
11617 * cppinit.c: Likewise.
11618 * dwarf2out.c: Likewise.
11620 * gcov.c: Likewise.
11621 * prefix.c: Likewise.
11623 * toplev.c: Likewise.
11624 * system.h: And move to here.
11626 * prefix.c (update_path): Fix typo in variable name.
11628 2000-01-06 Richard Henderson <rth@cygnus.com>
11630 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11631 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11632 (count_reg_sets_1, count_reg_references): Likewise.
11633 (flow_loops_level_compute): Start counting actual loop depth at 1.
11634 (flow_loops_find): Likewise.
11635 * local-alloc.c (update_equiv_regs): Likewise.
11636 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11638 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11640 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11641 FIRST_PSEUDO_REGISTER
11642 * dwarf2out.c: Don't include frame.h
11643 * dwarfout.c: Likewise
11644 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11647 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11649 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11652 * i386.c (movsf splitter): Fix typo in my last checkin.
11654 2000-01-05 Nick Clifton <nickc@cygnus.com>
11656 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11657 own definition of this macro.
11658 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11659 flag_data_sections or UNIQUE_SECTION_P are true.
11661 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11662 unitialised data decls.
11664 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11665 being called for uninitialised data.
11667 * config/i386/interix.c (i386_pe_unique_section): Cope with
11668 being called for uninitialised data.
11670 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11671 for uninitialised data.
11673 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11674 for uninitialised data.
11676 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11677 for uninitialised data.
11679 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11680 (UNIQUE_SECTION_P): Always generate a unique section if
11681 flag_data_sections is true.
11682 (UNIQUE_SECTION): Also generate unique sections for
11683 uninitialised data.
11684 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11685 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11688 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11690 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11693 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11695 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11696 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11697 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11698 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11699 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11701 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11703 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11705 * c-decl.c (finish_enum): Simplify code to determine minimum and
11706 maximum values of the enum, and calculate the type. Remove check
11707 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11708 the DECL_INITIAL of each enumeration constant with a copy converted
11709 to the enumeration type. When updating variant types, don't bother
11710 updating the type itself.
11712 * c-typeck.c (build_binary_op): Simplify conditional expressions
11713 when weeding out spurious signed-unsigned warnings. Add new
11714 spurious warning category: if the unsigned quantity is an enum
11715 and its maximum value fits in signed_type(result_type). Update
11717 (build_conditional_expr): Warn here if one alternative is signed
11718 and the other is unsigned.
11720 2000-01-05 Nick Clifton <nickc@cygnus.com>
11722 * config/fr30/fr30.h: Remove extraneous comments.
11724 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11726 * reload1.c (choose_reload_regs): When disabling a reload, also
11727 set reload_spill_index to -1.
11729 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11731 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11733 (m68*-*-rtemself*): New target.
11734 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11735 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11736 (sparc*-*-rtemself*): New target.
11737 (sparc*-*-rtems*): Now elf not a.out.
11738 * config/i386/rtems.h: Include config/rtems.h.
11739 * config/i386/rtemself.h: Include config/rtems.h.
11740 * config/i960/rtems.h: Include config/rtems.h.
11741 * config/m68k/rtems.h: Include config/rtems.h.
11742 * config/m68k/rtemself.h: Include config/rtems.h.
11743 * config/mips/rtems64.h: Include config/rtems.h.
11744 * config/pa/rtems.h: Include config/rtems.h.
11745 * config/rs6000/rtems.h: Include config/rtems.h.
11746 * config/sh/rtems.h: Include config/rtems.h.
11747 * config/sh/rtemself.h: Include config/rtems.h.
11748 * config/sparc/rtems.h: Include config/rtems.h.
11749 * config/sparc/rtemself.h: Include config/rtems.h
11751 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11753 * final.c (shorten_branches): Correctly compute length of
11754 asms without operands.
11756 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11758 * configure.in: Add pj target.
11759 * configure: Regenerate.
11760 * config/pj: New directory.
11761 * config/pj/lib1funcs.S: New file.
11762 * config/pj/linux.h: New file.
11763 * config/pj/pj.c: New file.
11764 * config/pj/pj.md: New file.
11765 * config/pj/pjl.h: New file.
11766 * config/pj/t-pj: New file.
11767 * config/pj/xm-pj.h: New file
11769 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11771 * toplev.c (rest_of_compilation): Run shorten-branches before
11774 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11776 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11777 macros so that they're consistent with their names.
11778 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11779 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11781 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11783 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11784 modified inadvertently.
11786 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11788 * configure.in (v850*-*-rtems*): New target.
11789 * configure: Regenerate.
11790 * config/v850/rtems.h: New file.
11792 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11794 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11795 (__gthread_key_create): Likewise.
11796 (__gthread_key_dtor): Likewise.
11797 (__gthread_once): Fix logic.
11798 (__gthread_key_delete): Cast away constness.
11800 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11801 * invoke.texi: Document.
11802 * i386/mingw32.h (CPP_SPEC): Use.
11803 (LIBGCC_SPEC): Likewise.
11804 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11806 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11808 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11809 (HANDLE_PRAGMA_PACK): Undefine.
11810 (SLOW_UNALIGNED_ACCESS): Define.
11812 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11814 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11815 to default definition.
11816 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11817 (store_fixed_bit_field): Call macro with word_mode and alignment.
11818 (extract_bit_field): Call macro with relevant mode and alignment.
11819 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11820 to default definition.
11821 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11823 (move_by_pieces_ninsns): Likewise.
11824 (clear_by_pieces): Likewise.
11825 (emit_push_insn): Likewise.
11826 (store_field): Call macro with relevant mode and alignment.
11827 (expand_expr): Likewise.
11828 (expand_expr_unaligned): Likewise.
11830 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11831 (SLOW_UNALIGNED_ACCESS): Define.
11832 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11833 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11834 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11835 (toc_section): Likewise and .toc pseudo-op.
11836 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11838 (TEXT_SECTION_ASM_OP): Likewise.
11839 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11842 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11843 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11844 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11845 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11846 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11848 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11850 * regclass.c: Revert my Jan 4 change to loop cost computation.
11852 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11854 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11857 2000-01-04 Stan Cox <scox@cygnus.com>
11859 * haifa-sched.c (build_control_flow): Change unreachable simple
11860 loop test to check if current block has only one predecessor.
11861 (find_rgns): Initialize degree. Use dest as degree index, not src.
11863 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11865 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11867 * calls.c (expand_call): Likewise for
11868 `old_stack_arg_under_construction'.
11870 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11872 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11875 * gcc.c (execute): Likewise for `ut' and `st'.
11877 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11879 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11881 * jump.c (jump_optimize_1): Likewise for `temp2'.
11883 * local-alloc.c (block_alloc): Likewise for `r1'.
11885 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11887 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11888 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11890 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11893 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11894 and `goal_earlyclobber'.
11896 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11898 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11900 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11902 * unroll.c (copy_loop_body): Likewise for `copy'.
11904 * varasm.c (output_constructor): Likewise for `byte'.
11906 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11908 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11909 all FP constants for constant->reg moves.
11910 (ix86_split_to_parts): Try to convert memory address into immediate
11911 when available in the constant pool.
11912 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11914 (LEGITIMATE_CONSTANT_P): Return 1.
11915 * i386.md (pushsf): New splitter to convert constant pool memory
11916 reference to immediate.
11917 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11920 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11922 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11923 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11924 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11925 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11926 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11928 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11930 * ginclude/stdbool.h: Support compilation as C++.
11932 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11934 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11936 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11938 * regclass.c (regclass): Properly compute loop_cost. Adjust
11941 * regclass.c: Fix minor whitespace problems.
11943 2000-01-03 Anthony Green <green@cygnus.com>
11945 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11946 Restore the pic register if required.
11948 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11950 * c-common.c (format_char_info): Update comment.
11951 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11952 was recognized. Emit warning for formats new in ISO C99 only
11953 if flag_isoc9x is not set.
11955 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11957 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11959 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11961 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11962 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11963 (make_compound_operation): Choose cheaper alternative between
11964 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11966 * regclass.c (op_costs): Remove global variable.
11967 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11968 (record_operand_costs): Break out from ...
11969 (scan_one_insn): ... here.
11970 (dump_regclass): Make dumps nicer.
11971 (regclass): Dump preferrences choosed and changes done during passes.
11973 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11975 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11977 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11979 * config/sparc/sparc.c (gen_df_reg): New function.
11980 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11981 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11982 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11983 movtf_cc_reg_sp64+1): Use it.
11985 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11987 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11988 copied LABEL_DECLs.
11990 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11992 * config/i386/i386.c (ix86_expand_unary_operator): Function
11993 definition made void.
11994 (ix86_expand_binary_operator): Update outdated preceding comment.
11995 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11998 * config/i386/i386.c (override_options): Fix option-name typo.
12000 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12002 * system.h (CEIL): Define.
12003 * builtins.c (CEIL): Remove.
12004 * expmed.c (CEIL): Likewise.
12005 * expr.c (CEIL): Likewise.
12006 * stor-layout.c (CEIL): Likewise.
12008 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12010 * expr.c (store_constructor_field): Fix typo introduced with last
12013 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12015 * tree.h (BINFO_N_BASETYPES): New macro.
12017 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12019 * expmed.c (emit_store_flag): Prevent losing a pending stack
12020 adjust the same way we prevent losing queued increments.
12022 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12024 * function.c (update_temp_slot_address): Handle case where sum of
12025 temporary address plus offset in register is a valid address.
12027 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12029 * genrecog.c (change_state) Corrected typo.
12031 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12033 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12034 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12035 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12037 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12039 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12040 case, expand GT comparisons correctly. Fix a comment before this
12043 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12045 * dwarfout.c: Include "frame.h"
12046 * dwarf2out.c: Likewise.
12047 * Makefile.in (dwarfout.o): Depend on frame.h
12048 (dwarf2out.o): Likewise.
12050 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12052 Restore i386 binary compatibility in Dwarf EH info.
12053 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12054 value of FIRST_PSEUDO_REGISTER.
12055 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12056 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12057 * dwarfout.c (output_reg_number): Ditto.
12058 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12059 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12061 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12063 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12064 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12065 (<hack>_RE_CT): not needed
12066 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12067 rewritten to scan the file text once only
12068 "template<..." test added
12069 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12070 (is_cxx_header): declaration added
12071 * fixinc/fixtests.c(is_cxx_header): removed
12072 (apply_fix_p_t): removed
12073 (double_slash_test): is_cxx_header is only called once now
12074 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12075 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12076 within the templates.
12077 The borken spelling of "broken" was fixed.
12078 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12079 The default level depends on FIXINC_DEBUG.
12081 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12083 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12084 Otherwise provide a declaration for atexit.
12085 (init_dummy): Make sure dummy call to atexit is nevertheless
12086 called with correct number of args.
12088 * frame.c: Update comments referring to other files.
12090 * libgcc2.c: Likewise.
12092 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12094 * cse.c (free_element, get_element): Remove unused prototypes.
12096 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12099 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12102 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12104 * configure.in,configure: case arm for mn10200-*-* now sets
12105 float_format=i32 so that float.h will correctly claim "double"
12106 to be 32 bits. Ran autoconf to generate configure from .in file.
12108 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12110 * pa.md (conditional zero): If op1 is a register, force it into
12111 the same register as op0.
12113 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12115 * tree.h (BINFO_BASETYPES): Improve documentation.
12117 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12119 * configure.in (--enable-checking): Use a more portable `for'
12122 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12124 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12125 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12127 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12130 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12131 Delete descriptions.
12133 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12134 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12135 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12136 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12137 xm-svr4.h: Remove all instances of sys_siglist handling.
12139 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12141 * config/sparc/sparc.md (cmp_zero_qi,
12142 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12143 cmp_zero_extendqidi2_andcc_set): New patterns.
12145 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12147 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12148 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12149 (fpgnulib.c, xfgnulib.c): Add rules.
12150 * m68k/t-mot3300-gas: Likewise.
12152 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12154 * configure.in: Avoid [[ by using test and changequote. Add
12155 changequote required by 1999-12-14 change.
12156 * configure: Rebuild.
12158 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12160 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12162 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12164 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12165 * flow.c (find_use_as_address): Likewise.
12166 * function.c (fixup_var_refs_1): Likewise.
12167 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12168 * jump.c (invert_exp, redirect_exp): Likewise.
12169 * loop.c (replace_call_address): Likewise.
12170 (count_nonfixed_reads): Likewise.
12171 * rtlanal.c (modified_between_p): Likewise.
12172 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12173 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12174 * unroll.c (remap_split_bivs): Likewise.
12176 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12178 * diagnostic.c (v_message_with_decl): Use .* format specifier
12179 instead of building the format specifier width manually.
12181 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12182 determining whether to provide a prototype. Remove the
12183 sys_siglist clause in the conditional.
12185 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12187 * fold-const.c (operand_equal_p): Use memcmp to compare string
12189 Suggested by D. J. Bernstein
12191 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12193 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12194 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12196 * config/mips/mips.h (TARGET_64BIT): Likewise.
12197 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12198 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12199 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12200 dsps. Give routines proper names if SI/DI modes are not used.
12201 * longlong.h: Use DWunion instead of DIunion.
12203 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12205 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12206 GC_CHECKING, GC_ALWAYS_COLLECT.
12207 * configure.in: Allow --enable-checking with an argument
12208 listing check modes to enable.
12209 * config.in, configure: Rebuilt.
12210 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12211 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12212 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12213 ENABLE_GC_ALWAYS_COLLECT.
12214 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12216 * tree.h, tree.c: Change ENABLE_CHECKING to
12217 ENABLE_TREE_CHECKING throughout.
12219 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12221 * fold-const.c (fold_truthop): Properly check for FP RHS.
12223 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12225 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12226 * toplev.c (note_deferral_of_defined_inline_function): New
12227 function, split out from ...
12228 (rest_of_compilation): ... here. Use it.
12230 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12232 * expr.c (store_constructor): Don't call clear_storage if size is
12235 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12237 * Makefile.in (toplev.o): Depend on loop.h.
12239 * dwarfout.c: Include tm_p.h.
12241 * emit-rtl.c (restore_emit_status): Mark parameter with
12244 * final.c (final_scan_insn): Likewise.
12246 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12247 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12248 flow_depth_first_order_compute, flow_loop_pre_header_find,
12249 flow_loop_tree_node_add, flow_loops_tree_build,
12250 flow_loop_level_compute, flow_loops_level_compute,
12251 flow_loop_outside_edge_p): Add prototypes.
12252 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12254 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12255 Mark with ATTRIBUTE_NORETURN.
12257 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12259 * local-alloc.c (no_conflict_p): Likewise.
12261 * loop.c (insert_bct): Hide definitions of variables with hidden
12263 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12265 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12266 with ATTRIBUTE_UNUSED.
12267 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12268 (reg_scan): Likewise.
12270 * reload.c (find_reloads): Remove unused variables `changed'.
12272 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12274 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12275 Remove unused variable `insn'.
12277 * toplev.c: Include loop.h.
12278 (report_file_and_line): Remove unnecessary prototype.
12280 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12282 * unroll.c (biv_total_increment): Likewise.
12284 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12286 * reload1.c (emit_input_reload_insns): Restore old behaviour
12287 wrt. 'special' reloads.
12289 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12291 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12292 hash.h. (cse.c): Don't depend on hashtab.h.
12294 * cse.c: Don't include hashtab.h.
12295 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12297 * ggc-simple.c: Don't include hash.h.
12299 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12301 * dwarf2out.c (add_abstract_origin_attribute): Call
12302 gen_abstract_function on our function context.
12304 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12306 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12308 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12310 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12313 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12315 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12316 constraints to "a!r".
12318 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12320 * Makefile.in (calls.o): Depend on function.h.
12321 (alias.o): Likewise.
12323 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12325 * reload1.c (emit_reload_insns): Break out code and variables into...
12326 (input_reload_insns, other_input_address_reload_insns,
12327 other_input_reload_insns, input_address_reload_insns,
12328 inpaddr_address_reload_insns, output_reload_insns,
12329 output_address_reload_insns, outaddr_address_reload_insns,
12330 operand_reload_insns, other_operand_reload_insns,
12331 other_output_reload_insns): ... new static variables, and...
12332 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12333 do_output_reload): ... new functions.
12335 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12337 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12339 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12341 * md.texi: Add c4x constraints documentation.
12343 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12345 * config/i386/dgux.c (struct option): Rename to
12346 lang_independent_option.
12347 (struct m_options): Add description field.
12348 (output_options): Rename option type, add sep declaration, output
12349 ix86_cpu_string and ix86_arch_string only if set.
12350 (output_file_start): Rename option type.
12352 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12354 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12356 (libgcc2.a): Similarly.
12358 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12360 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12361 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12362 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12364 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12366 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12367 Remove redundant initialization of "frexpon" and "expon".
12369 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12371 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12373 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12374 (store_constructor_field, expand_expr): Pass new arg.
12376 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12378 * Makefile.in (explow.o): Depend on function.h.
12380 * stor-layout.c (set_sizetype): Fix typo.
12382 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12384 * function.c (cfun): Renamed from current_function. All users
12386 * function.h (cfun): Rename declaration as well.
12388 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12389 to be of type regset_head, not regset. All users changed by adding
12391 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12393 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12395 * config/c4x/rtems.h: New file.
12397 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12399 * reload1.c (spill_failure): Take class of failed reload as argument
12400 and print it. Caller changed.
12402 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12404 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12405 (TARGET_SWITCHES): Allow subtargets to default switches.
12406 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12408 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12410 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12413 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12415 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12416 * cppinit.c (cpp_handle_option): Likewise.
12418 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12419 determine when to define.
12421 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12423 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12424 cmove with mismatched test and data modes.
12426 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12428 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12431 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12433 * alias.c: Minor reformatting.
12434 * flow.c: Likewise.
12435 * regs.h: Likewise.
12436 * stor-layout.c: Likewise.
12437 * fold-const.c: Likewise.
12438 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12439 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12441 (size_int_wide): Cache nodes even if garbage collecting.
12442 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12443 of SAVE_EXPR has no side effects.
12444 * cse.c: Move a comment.
12445 * tree.c: Minor reformatting.
12446 (int_size_in_bytes): Return -1 if constant overflows.
12448 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12450 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12452 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12454 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12455 after any change to c-parse.in, even if objc-parse.y didn't
12458 1999-12-18 David S. Miller <davem@redhat.com>
12460 * toplev.c (rest_of_compilation): Restore BLOCK tree
12461 reconstruction and branch shortening changes lost in
12462 December 18th change.
12464 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12466 * config/arm/linux-elf.h: Change all instances of
12467 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12468 * config/arm/uclinux-elf.h: Likewise.
12470 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12472 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12473 v_message_with_decl, file_and_line_for_asm,
12474 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12475 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12476 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12477 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12478 pfatal_with_name, fatal_io_error, need_error_newline,
12479 last_error_function, last_error_tick, announce_function,
12480 default_print_error_function, print_error_function,
12481 report_error_function, fnotice, error_with_file_and_line,
12482 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12483 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12484 warning_with_decl, warning_for_asm, warning, pedwarn,
12485 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12487 (compile_file): Use fnotice instead of notice. Adjust call.
12489 * diagnostic.c: New file.
12491 * Makefile.in (OBJS): Include diagnostic.o
12492 (diagnostic.o): Define dependence.
12494 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12496 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12499 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12501 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12503 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12505 * fixtests.c (is_cxx_header): New fn, split out of
12507 (else_endif_label): Allow "#endif // comment" in C++ headers,
12508 as determined by is_cxx_header.
12509 * fixfixes.c (else_endif_label_fix): Update comment.
12510 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12512 * genfixes: Correct double thinko in commandline parsing.
12513 * hackshell.tpl: Generate correct sh syntax for bypass
12516 * inclhack.def (all): Whenever an inserted preprocessor
12517 conditional is split over multiple lines, use double
12518 backslashes in this file so the fixed header will be readable.
12520 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12521 and add bypass entry for correct version of this header.
12522 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12523 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12525 (hpux8_bogus_inlines): New fix, split from...
12526 (ultrix_atof_param) ... here.
12527 (math_expression): Add bypass entry keyed to glibc comment
12528 indicating the problem has been dealt with; disable
12529 unnecessary sed operations; update commentary.
12530 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12531 add select and bypass entries, simplify shell operation.
12532 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12534 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12535 ultrix_atof_param): Add select entry.
12536 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12537 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12538 comments with the fixes they describe.
12540 * c-parse.in (string action): Do not warn about ANSI string
12541 concatenation in system headers. Affects C parser only.
12542 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12544 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12546 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12547 compiling libgcc2 the macro depends always on arch cpp defines.
12549 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12551 * loop.c (insert_loop_mem): Don't record MEMs from inside
12554 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12556 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12558 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12559 notes too, create one when replacement failed, attempt to simplify
12561 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12562 or REG_EQUIV notes.
12564 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12566 * crtstuff.c (__dso_handle): Declare.
12567 (__cxa_finalize): Likewise.
12568 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12571 * invoke.texi: Document -fuse-cxa-atexit.
12573 * tree.h (ptr_type_node): Document.
12574 (const_ptr_type_node): Likewise.
12576 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12578 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12579 (optimize_reg_copy_2): Likewise.
12580 (optimize_reg_copy_3): Likewise.
12581 (fixup_match_2): Likewise.
12582 (regmove_optimize): Likewise.
12583 (fixup_match_1): Liekwise.
12585 * i386.md (HI to SImode promoting splitters): Rewrite.
12586 (pushsf mem peep2): New.
12587 (testhi to andhi peep2): Remove.
12588 * i386.h (x86_promote_QImode): New.
12589 (TARGET_PROMOTE_QImode): New.
12590 (PREDICATE_CODES): Add promotable_binary_operator.
12591 * i386.c (x86_promote_QImode0: New.
12592 (promotable_binary_operator): New.
12593 * i386-protos.h (promotable_binary_operator): New.
12595 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12597 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12599 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12601 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12602 * function.c (insert_block_after_note): Remove.
12603 (retrofit_block): Likewise.
12604 (identify_blocks): Fix indentation.
12605 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12606 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12607 * function.h (insert_block_after_note): Remove prototype.
12608 (retrofit_block): Likewise.
12609 * integrate.c (expand_inline_function): Don't call
12610 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12611 just expand_start_bindings. Use the block_map to remap old
12612 NOTE_BLOCKs to new ones.
12613 (integrate_decl_tree): Keep track of remapped blocks.
12614 * integrate.h (struct inline_remap): Add block_map.
12615 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12616 NOTE_BLOCK on the notes.
12617 (expand_start_bindings): Rename to ...
12618 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12619 (expand_end_bindings): Set NOTE_BLOCK.
12620 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12621 reconstruct the BLOCK tree.
12622 * tree.h (expand_start_bindings): Macroize. Call ...
12623 (expand_start_bindings_and_block): New function.
12625 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12627 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12628 to match the format.
12630 1999-12-16 David S. Miller <davem@redhat.com>
12632 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12633 the outputs is a SUBREG.
12634 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12637 * config/sparc/sparc.c (epilogue_renumber): Add default case
12640 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12642 * toplev.c (rest_of_compilation): Run branch shortening after
12645 * regclass.c (loop_depth): Remove
12646 (scan_one_insn): Do not handle LOOP_NOTE insns.
12647 (regclass): Go through basic blocks and set loop_cost
12649 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12651 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12653 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12655 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12656 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12657 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12659 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12661 * loop.c (insert_loop_mem): Ignore memory clobbers.
12663 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12666 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12668 * profile.c: Remove redundant #include "output.h".
12670 * h8300.md (HImode preinc peephole): Fix typo.
12672 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12674 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12675 (insert_block_after_note): Abort if we don't have a previous block.
12676 Remove FN parameter.
12677 * function.h: Adjust.
12679 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12681 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12682 argument more than once.
12684 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12686 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12688 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12690 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12692 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12694 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12695 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12696 update stack_alignment_needed.
12697 (prepare_function_start): Initialize stack_alignment_needed
12698 * function.h (struct function): Add field stack_alignment_needed.
12700 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12702 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12703 Handle live_throughout / dead_or_set instead of live_before /
12705 (save_call_clobbered_regs): Get register livenessinformation from
12706 chain->live_throughout.
12707 (add_stored_regs): New function.
12708 (insert_restore, insert_save): Add restored / saved registers to
12710 * global.c (reg_dies): New parameter chain.
12711 (reg_becomes_live): Third parameter is regs_set now.
12712 Changed all callers.
12713 (reg_dies): New parameter chain. Changed all callers.
12714 (build_insn_chain): Set live_throughout instead of
12715 live_before / live_after.
12716 * reload.h (struct insn_chain): Replace members live_before /
12717 live_after with live_throughout / dead_or_set.
12718 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12719 instead of live_before / live_after.
12720 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12721 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12722 (choose_reload_regs_init): Likewise.
12723 * stupid.c (current_chain, find_clobbered_regs): Delete.
12724 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12725 instead of chain->live_before / chain->live_after.
12726 (mark_hard_ref): New function.
12727 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12729 1999-12-15 David S. Miller <davem@redhat.com>
12731 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12733 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12735 * flow.c (calculate_loop_depth): Make global, remove prototype,
12736 rewrite to use new loop infrastructure.
12737 (find_basic_block): Remove calculate_loop_depth call.
12738 * toplev.c (rest_of_compilation): Call find_basic_block.
12739 * output.h (calculate_loop_depth): Declare.
12741 * flow.c (dump_flow_info): Dump loop_depth.
12742 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12744 (flow_loops_find): Initialize the loop_depth for each basic block.
12746 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12748 * tree.c (decl_function_context): Handle virtual functions.
12750 * tlink.c (scan_linker_output): Don't look in demangled name when
12751 looking for linker output keywords.
12753 * dwarfout.c (output_type): We can defer namespace-scope classes.
12755 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12757 * regclass.c (record_reg_classes): Update comment for merging
12758 register class preferences in reg->reg copies. Tighten conditions
12759 for merging register class preferences in reg->reg copies.
12761 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12763 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12765 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12767 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12768 (INIT_SECTION_ASM_OP): Delete.
12769 (FINI_SECTION_ASM_OP): Delete.
12770 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12772 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12774 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12775 the abstract origin wasn't emitted.
12777 * dwarf2out.c (class_scope_p): New fn.
12778 (gen_subprogram_die): Use it.
12779 (gen_variable_die): Use it. Tweak logic.
12780 (gen_struct_or_union_type_die): Check context_die to determine
12781 if we're function-local.
12782 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12784 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12786 * loop.c (check_dbra_loop): Can't reverse a biv that has
12787 maybe_multiple set.
12789 1999-12-14 Nick Clifton <nickc@cygnus.com>
12791 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12794 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12796 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12797 for givs made from biv increments.
12799 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12801 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12802 * alpha.c (override_options): Recognize -mcpu=ev67.
12803 * alpha.h (CPP_CPU_EV67_SPEC): New.
12804 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12805 (EXTRA_SPECS): Update.
12807 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12809 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12810 appropriate for -lang-c89 and -std=*.
12811 * cppinit.c (cpp_handle_option): Likewise.
12812 (new_pending_define): New, split out from cpp_handle_option.
12813 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12814 or enable trigraphs for -ansi/-std=*.
12816 * ginclude/stdarg.h (__va_copy): New.
12817 (va_copy): Don't define for C89.
12819 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12821 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12822 for long long multiply-accumulate.
12824 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12826 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12827 optimizing for size.
12829 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12831 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12832 if something changed. Back out that part of yesterday's changes.
12834 * loop.c (loop_max_reg): New static variable.
12835 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12837 (scan_loop): Call reg_scan_update whenever we may have added new
12838 registers, and update loop_max_reg.
12840 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12842 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12843 when source does not die.
12845 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12847 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12849 * config/sparc/linux64.h (TARGET_LIVE_G0,
12850 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12852 * config/sparc/linux.h (TARGET_LIVE_G0,
12853 TARGET_BROKEN_SAVERESTORE): Likewise.
12854 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12855 TARGET_BROKEN_SAVERESTORE): Likewise.
12857 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12858 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12860 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12861 as sparc64 block profiling register.
12862 * config/sparc/sparc.c (sparc_override_options): Allow block
12863 profiling with -m32.
12864 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12865 profiling register.
12866 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12867 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12868 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12870 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12872 * config/sparc/sparc.h: Likewise.
12873 * config/sparc/xm-sysv4-64.h: Likewise.
12874 * config/float-sparc.h: Likewise.
12875 * glimits.h: Likewise.
12876 * longlong.h: Likewise.
12878 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12879 (ASM_IDENTIFY_GCC): Remove.
12881 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12883 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12884 (simplify_logical): Likewise.
12886 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12888 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12889 * cppfiles.c (INO_T_EQ): Likewise.
12891 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12893 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12894 * i386/mingw32.h (LIB_SPEC): Likewise.
12895 (STARTFILE_SPEC): Likewise.
12896 * i386/uwin.h (LIB_SPEC): Likewise.
12897 (STARTFILE_SPEC): Likewise.
12899 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12900 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12902 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12904 * combine.c (combine_simplify_rtx): Fix order of checks for
12905 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12907 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12909 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12910 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12912 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12914 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12916 * regclass.c (inv_reg_alloc_order): New array.
12917 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12919 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12920 counted_for_groups, counted_for_nongroups. Add fields rld and
12922 * reload.c (push_secondary_reload): Don't set nongroup field of
12924 (push_reload): Likewise.
12925 (find_reloads): Delete code to compute nongroup fields.
12926 * reload1.c (reload_insn_firstobj): New static variable.
12927 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12929 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12930 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12931 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12933 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12935 (struct hard_reg_n_uses): Deleted.
12936 (potential_reload_regs): Deleted.
12937 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12938 (reload): Don't try to allocate reload registers if we already know
12939 we have to make another pass. Call select_reload_regs. Free memory
12940 starting with reload_firstobj when starting another pass.
12941 Don't allocate spilled_pseudos.
12942 (calculate_needs_all_insns): Call copy_reloads for an insn that
12943 needs reloads; don't call calculate_needs.
12944 (spill_cost): New static array.
12945 (used_spill_regs_local): New static variable.
12946 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12947 to compute potential_reload_regs.
12948 (find_reload_regs): Completely rewritten to use find_reg.
12949 (allocate_reload_reg): Don't test counted_for_groups or
12950 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12951 all cllers changed.
12952 (choose_reload_regs): Add fallback code that uses the existing
12953 register allocation from find_reload_regs.
12955 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12957 * flow.c (create_edge_list): Cast xmalloc return value.
12959 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12961 * doprnt.c: Remove incorrect comment closure.
12963 * cse.c: Fix a few minor whitespace goofs.
12965 1999-12-13 Don Bowman <don@pixstream.com>
12967 * mips/vxworks.h: Fix problem with comment termination.
12968 (EXTRA_SECTIONS): Add in_sbss.
12969 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12971 1999-12-12 David S. Miller <davem@redhat.com>
12973 * cse.c (struct cse_reg_info): Add hash_next member,
12974 reorder rest of struct for better packing on 64-bit
12976 (cse_reg_info_tree): Kill.
12977 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12978 REGHASH_FN): New custom pow2 hash mechanism.
12980 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12981 use a pow2 hash table.
12982 (get_cse_reg_info): Rework to use new REGHASH.
12983 (new_basic_block): Likewise, use HASH_SIZE, and inline
12985 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12986 and inline free_element call.
12987 (lookup_as_function, insert, flush_hash_table, invalidate,
12988 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12989 invalidate_for_call, use_related_value, find_comparison_args,
12990 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12991 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12992 get_element): Kill.
12994 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12996 * cse.c (cse_basic_block): Free qty_table consistently.
12998 1999-12-12 David S. Miller <davem@redhat.com>
12999 Jakub Jelinek <jakub@redhat.com>
13001 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13002 SUBREGs by hand, gen the appropriate hard reg directly.
13003 (movtf reg/mem split): Likewise and alter_subreg on destination
13005 (movtf mem/reg split): Similarly.
13006 (movdf_cc_sp64): Rename from hidden pattern.
13007 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13008 (movtf_cc_sp64, following split): New pattern and splitter.
13009 (movdf_cc_reg_sp64): Rename from hidden pattern.
13010 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13012 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13014 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13016 * loop.c (load_mems): Don't hoist written floating point mem
13019 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13021 * except.h (struct eh_queue): Add `next' pointer.
13022 (struct eh_status): Make x_ehqueue a pointer.
13023 (push_ehqueue): Declare.
13024 (pop_ehqueue): Likewise.
13025 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13027 (expand_fixup_region_end): Likewise.
13028 (expand_leftover_cleanups): Likewise.
13029 (push_ehqueue): Define.
13030 (pop_ehqueue): Likewise.
13031 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13032 than doing it inline.
13033 (expand_start_all_catch): Adjust now that ehqueue is a
13035 (mark_eh_queue): Mark all level of the queue.
13036 (mark_eh_status): Adjust now that ehqueue is a
13038 (init_eh_for_function): Allocate ehqueue.
13039 (free_eh_status): Free it.
13040 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13041 expansion for a fixup.
13043 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13045 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13047 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13048 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13049 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13050 function_ptr, getpagesize, __enable_execute_stack,
13051 __enable_execute_stack, __clear_insn_cache,
13052 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13053 _cleanup, _exit, __default_terminate, __terminate_func,
13054 __terminate, __empty, __throw, new_eh_context,
13055 eh_context_initialize, eh_context_static, eh_context_specific,
13056 get_eh_context, __get_eh_context, __get_eh_info,
13057 init_reg_size_table, eh_threads_initialize,
13058 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13059 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13060 __pure_virtual): Add prototype arguments.
13061 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13062 Cast a signed value to unsigned long when comparing against one.
13063 (new_eh_context): Wrap in _GTHREADS macro.
13064 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13066 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13067 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13069 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13071 * combine.c (record_promoted_value): Remove unused variable
13074 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13076 * global.c (record_conflicts): Likewise for `j'.
13078 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13081 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13083 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13084 output_fp_compare): Constify a char*.
13086 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13088 (override_options, ix86_comp_type_attributes, print_operand,
13089 output_387_binary_op, output_fix_trunc, output_fp_compare):
13091 (ix86_sched_reorder): Mark parameter `clock_var' with
13094 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13096 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13098 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13099 operand, for use in the Java front-end.
13101 1999-12-10 Ben Collins <bcollins@debian.org>
13103 * configure.in: Fix typo for "-64" in 64bit as check.
13104 * configure: Rebuilt.
13106 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13108 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13111 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13113 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13114 concatenation is utilized.
13116 * invoke.texi (-Wtraditional): Document it.
13118 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13120 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13121 Cast a ptrdiff_t to long and pass it to printf with %ld.
13123 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13125 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13126 68881, we have no 68881 registers at all.
13127 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13128 value in a 68881 register if it is available.
13130 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13132 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13133 for long long multiply-accumulate.
13135 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13137 * loop.c (insert_loop_mem): Undo last change.
13139 1999-12-10 David S. Miller <davem@redhat.com>
13141 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13143 * config/sparc/sparc-protos.h: Add them.
13144 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13145 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13146 constraints which use those helpers.
13147 (EXTRA_CONSTRAINT): Use this new macro.
13148 * md.texi: Update sparc target constraints documentation.
13149 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13150 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13151 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13152 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13153 (movsf high/lo_sum split): Rework for new patterns.
13154 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13156 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13158 * c-common.c (c_common_nodes_and_builtins):
13159 Create __builtin_ptrdiff_t and __builtin_size_t.
13161 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13163 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13165 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13167 * regclass.c (globalize_reg): Re-instate test that allows
13168 fixed registers to be declared as a variable even after functions
13171 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13173 * i386.md (cpu attribute): Add "athlon".
13174 (athlon_decode): New attribute.
13175 (Athlon scheduling units definitions): New.
13176 (fcmp and shld patterns): Set athlon_decode to "vector".
13177 * i386.c (athlon_cost): New.
13179 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13180 x86_use_sahf): Set for Athlon.
13181 (x86_use_fiop): Unset for Athlon.
13182 (override_options): Define Athlon alignments and "athlon" name.
13183 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13184 * i386.h (TARGET_ATHLON): New.
13185 (enum processor_type): Add PROCESSOR_ATHLON.
13186 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13188 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13190 1999-12-09 Andreas Jaeger <aj@suse.de>
13192 * loop.c (record_biv): Declare parameter as int.
13194 * config/i386/i386-protos.h: Declare long_memory_operand.
13196 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13198 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13199 EXPR_WITH_FILE_LOCATION.
13201 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13203 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13206 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13208 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13211 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13213 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13214 default on linux64 again.
13215 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13216 models for multilibing.
13217 * genmultilib: Accept | as alternative separator within a set in
13220 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13222 * calls.c (precompute_arguments): Make sure initial_value contains
13223 value pseudo which CSE expects.
13224 * cse.c (struct set): New entry orig_src.
13225 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13228 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13230 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13232 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13234 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13236 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13238 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13239 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13241 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13244 * longlong.h: Merge in changes from glibc.
13245 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13246 -mno-app-regs libgcc can be compiled.
13247 * libgcc2.c: Add defines so that the updated longlong.h
13248 can be used in libgcc2.a. Also, make sure on most architectures
13249 (at least on all which have optimized code in longlong.h defined
13250 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13252 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13254 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13255 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13256 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13258 * configure: Rebuilt.
13260 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13262 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13263 outputs require a register.
13265 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13267 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13268 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13269 functions like dptoul will be resolved.
13270 (libgcc2.a): Make sure that the object files from DPBIT are named
13271 differently (prefix `_dp') from those that would be coming from
13274 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13276 * configure.in: When target is sparc* and tm_file contains 64,
13277 test for 64bit support in assembler. If not supported, remove
13278 sparc/t-sol2-64 from target-dependent Makefile fragments.
13279 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13280 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13281 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13282 * acconfig.h (AS_SPARC64_FLAG): Added.
13283 * configure, config.in: Rebuilt.
13284 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13285 support. Use AS_SPARC64_FLAG.
13287 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13289 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13290 suitable for holding OFmode values so that gcc works with complex
13292 (hard_64bit_mode_classes): Likewise.
13294 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13295 so that it is actually matched.
13296 (sethi_di_medlow): Likewise.
13298 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13299 as legitimate constant if -mvis.
13300 * config/sparc/sparc.md (movtf): Likewise.
13301 (clear_sf): Use const_double_operand.
13302 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13304 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13305 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13306 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13307 routines, _Qp_* cannot be handled like that now.
13308 (INIT_TARGET_OPTABS): Likewise.
13309 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13310 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13311 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13312 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13313 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13314 divtf3, sqrttf3): New expanders.
13315 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13316 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13317 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13320 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13321 * configure: Rebuilt.
13322 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13323 -mcpu is given and we're doing 64bit compiles.
13325 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13327 * loop.h (struct induction): Add multi_insn_incr.
13328 * loop.c (basic_induction_var): New multi_insn_incr argument.
13329 Set it if we search back through previous insns for the biv.
13330 (record_biv): New multi_insn_incr argument; fill in struct induction.
13331 (strength_reduce): Discard an iv with multiple bivs, any of
13332 which require multiple insns to increment.
13334 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13336 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13339 1999-12-06 David S. Miller <davem@redhat.com>
13341 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13342 PROMOTE_FUNCTION_RETURN.
13344 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13346 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13347 and handle REG_UNUSED note on insn.
13349 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13350 inner_mask instead of mask.
13352 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13354 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13355 zero if there was an error.
13357 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13359 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13362 * longlong.h: Fix clobbers in SPARC asm statements.
13364 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13365 valid sethi operations when TARGET_ARCH64.
13367 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13368 always use move_by_pieces to avoid infinite recursion.
13369 (restore_fixed_argument_area): Likewise.
13371 * combine.c (check_promoted_subreg, record_promoted_value): New
13373 (combine_instructions): Use them to retain nonzero and sign bit
13374 information after SUBREGs are eliminated by optimizations in
13375 this pass if PROMOTE_FUNCTION_RETURN.
13377 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13378 .register declaration. Don't use variables with __ prefixes.
13380 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13382 * fold-const.c (optimize_bit_field_compare): Only use one mode
13383 for both RHS and LHS in non-constant case.
13385 1999-12-06 Nathan Sidwell <nathan@acm.org>
13387 * frame.c (start_fde_sort): Only allocate erratic array, if
13388 linear one was allocated. Return allocated flag.
13389 (fde_insert): Only insert, if there's a valid array.
13390 (fde_end_sort): Split, sort and merge if linear and erratic
13391 arrays exist, else just sort linear one.
13392 (search_fdes): New function. Linear search through original fde
13394 (frame_init): Permit multiple initializations. Cope with
13396 (find_fde): Fallback on linear search, if failed to sort array.
13397 (__deregister_frame_info): Only free sorted array, if we
13400 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13402 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13404 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13406 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13408 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13410 * tree.h (special_function_p): Declare.
13411 * calls.c (special_function_p): Make it global. Don't take `name'
13412 as a parameter. Fix typo in 1999-11-28 change.
13413 (expand_cal): Adjust.
13415 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13417 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13418 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13419 EXPR_WFL_FILENAME_NODE.
13420 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13422 * print-tree.c (print_note): Print TREE_PRIVATE and
13425 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13426 the original die cannot be found.
13428 * varray.h (varray_head_tag): Add elements_used.
13429 (VARRAY_PUSH): New macro.
13430 (VARRAY_POP): Likewise.
13431 (VARRAY_TOP): Likewise.
13432 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13434 * varray.c (varray_init): Initialize elements_used.
13435 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13436 (INTEGRATE_H): New variable.
13437 (integrate.o): Depend on INTEGRATE_H.
13438 (unroll.o): Likewise.
13440 * function.h (insert_block_after_note): Declare.
13441 * function.c (insert_block_after_note): Split out from ...
13442 (retrofit_block): ... here.
13444 * stmt.c (expand_fixup): Fix typo in comment.
13446 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13448 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13449 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13450 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13451 (regmove_optimize, fixup_match_1): Likewise.
13453 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13455 * flow.c (flow_loops_dump): Add missing argument when calling
13456 flow_loop_nested_p.
13458 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13459 Greg McGary <gkm@gnu.org>
13461 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13462 (init_attributes): Add A_NO_LIMIT_STACK.
13463 (decl_attributes): Handle A_NO_LIMIT_STACK.
13464 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13465 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13466 Handle stack bounds checking.
13467 * flags.h (flag_stack_check): Use the word 'probe' rather than
13468 'check', because the flag doesn't actually cause any checking to
13470 * function.c (expand_function_start): Set
13471 current_function_limit_stack.
13472 * function.h (struct function): Add limit_stack.
13473 (current_function_limit_stack): Define.
13474 * invoke.texi (Code Gen Options): Document new options.
13475 * rtl.h: Declare stack_limit_rtx.
13476 * toplev.c (stack_limit_rtx): New variable.
13477 (decode_f_option): Handle new options -fstack-limit-register=REG,
13478 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13479 (main): Add stack_limit_rtx as GC root.
13480 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13481 (struct tree_decl): New member no_limit_stack.
13483 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13485 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13486 (conditional_trap+1): Get new mnemonic correct.
13487 (conditional_trap+2): New pattern for DImode traps.
13489 * config/m68k/m68k.c (output_function_prologue): Handle
13491 * config/m68k/m68k.md (trap): New insn.
13492 (conditional_trap): New insn.
13493 * md.texi (Standard Names): Document `trap' and
13494 `conditional_trap'.
13495 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13496 so a cc0 setter doesn't get emitted at some random place in the
13499 * config/i960/i960.md (trap): New insn.
13500 (conditional_trap): New expander.
13501 (conditional_trap+1, conditional_trap+2): New insns for signed
13502 and unsigned cases.
13503 * config/i960/i960.c (i960_function_prologue): Use
13504 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13506 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13507 Geoffrey Keating <geoffk@cygnus.com>
13509 * flags.h (warn_padded, warn_packed): Add global var decls.
13510 * toplev.c (warn_padded, warn_packed): Add global var defns.
13511 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13512 * stor-layout.c (layout_record): Add local variable `type'
13513 to hold often-used TREE_TYPE (field). Add local variable
13514 `unpacked_align' to hold alignment that would be in force
13515 if no `packed' attribute were present. Warn if `packed' attribute
13516 is unnecessary, or even harmful. Warn when gcc inserts padding
13517 to satisfy alignment requirements of members. Use NULL_TREE
13518 when checking whether var_size is set.
13519 * invoke.texi: Document new flags.
13521 1999-12-03 Nathan Sidwell <nathan@acm.org>
13523 * frame.c (fde_split): Reimplement to avoid variable sized array.
13525 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13527 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13528 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13530 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13532 * invoke.texi: Document the mips option -mno-crt0
13534 1999-12-02 Mike Karr <mkarr@mathworks.com>
13536 * cccp.c (argdata): Added free_ptr member.
13537 (macroexpand): Initialize free_ptr of each argument. When an
13538 argument's buffers are freed, if the argument's free_ptr corresponds
13539 to a buffer on the input stack, then return the free_ptr to that stack
13540 frame, otherwise, free it.
13541 (macarg): If an argument begins and ends on the same input stack level,
13542 then transfer the free_ptr of that buffer to the argument in case
13543 the stack is popped during the processing of a subsequent argument.
13545 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13547 * loop.c (note_reg_stored): New function.
13548 (struct note_reg_stored_arg): New structure.
13549 (try_copy_prop): Change to be more conservative; only replace within
13550 one extended basic block and stop replacing if a store to the
13551 replacement reg is seen.
13553 1999-12-02 Nick Clifton <nickc@cygnus.com>
13555 * config/fp-bit.c: Initialise all fields of the NAN
13558 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13561 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13563 * i386.md (extend?f?f2): Force the input into a register, not
13566 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13568 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13570 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13571 alternative because setting up 64bit constant is usually costly,
13572 especially when reload is in progress or completed.
13573 (movdf_const_intreg_sp64): Likewise.
13574 (movdf_const_intreg split): Fix building up constants when
13575 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13577 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13579 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13580 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13583 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13584 (asm_file_start): Emit .am33 into assembly file when compiling for
13586 (print_operand_address): Handle POST_INC addresses.
13587 (can_use_return_insn, initial_offset): Check AM33 registers too.
13588 (expand_prologue): Check & save AM33 registers too.
13589 (expand_epilogue): Similarly.
13590 (secondary_reload_class): Handle AM33 specific secondary reloads.
13591 (output_tst): Emit efficient code for the AM33 too.
13592 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13593 (TARGET_SWITCHES): Add -mam33 switch.
13594 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13595 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13596 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13597 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13598 (enum reg_class, REG_CLASS_NAMES): Likewise.
13599 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13600 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13601 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13602 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13603 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13604 (HAVE_POST_INCREMENT): Define.
13605 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13606 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13607 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13608 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13609 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13610 (zero_extend to SI from QI/HI): Likewise.
13611 (sign_extend to SI from QI/HI): Likewise.
13612 (mulsidi3, umulsidi3): New patterns for the AM33.
13613 (tstsi with zero extension from QI/HI): Add AM33 variants.
13614 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13615 (return_internal_regs, store_movm): Handle new AM33 registers.
13616 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13617 (LIBGCC, INSTALL_LIBGCC): Likewise.
13618 * invoke.texi: Document new flags.
13620 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13622 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13623 (addsi3_carry): Likewise.
13624 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13625 (sbbsi3_carry): Likewise.
13626 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13627 (mulhi3): Likewise.
13628 (test?i_1): Ensure that only one operand is memory.
13629 (conditional move patterns): likewise.
13630 (shift and rotate patterns): Rewrite to expander, add
13631 "binary_operator_ok" to the condition.
13633 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13634 * i386.h (procesor_costs): Add movzbl_load field.
13635 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13636 non-Q registers, accept DImode registers anywhere.
13638 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13639 * i386.c (*_cost): Set value for movxbl_load field.
13641 * (addsi): New add to lea splitter.
13642 (ashlsi): Likewise.
13643 (lea to add/shift peep2): New.
13645 1999-12-01 Mark Salter <msalter@cygnus.com>
13647 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13648 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13649 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13651 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13653 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13654 * i386.md (movsi_xor): New.
13656 (movsi_1, movhi_1, movqi_1): Remove.
13657 (movsi_2): Rename to movsi_1.
13658 (movhi_2): Rename to movhi_1.
13659 (movqi_2): Rename to movqi_1.
13660 (movdi_1): Remove; remove splitter.
13661 (movdi_2): Rename to movdi_1.
13662 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13663 (long move peep2): Do not create QI or HI mode mov0s
13664 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13666 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13669 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13670 (abs?f2_if): Likewise.
13672 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13674 * ggc.h (ggc_test_and_set_mark): New macro.
13675 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13676 (ggc_mark_tree): Likewise.
13677 (ggc_mark_rtvec): Likewise.
13678 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13680 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13682 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13684 (decl_scope_table): Just an array of trees now.
13685 (push_decl_scope): Simplify.
13686 (dwarf2out_init): Adjust.
13687 (local_scope_p): New fn.
13688 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13689 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13690 (gen_typedef_die): Likewise.
13691 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13692 (gen_inlined_subroutine_die): Likewise.
13693 (gen_abstract_function): Set current_function_decl temporarily.
13694 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13695 Handle block extern declarations. Don't call push/pop_decl_scope.
13696 (gen_decl_die): Fix logic for block externs.
13698 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13700 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13701 to the list of functions which have attribute malloc by default.
13703 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13705 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13706 integer constant does not match the traditional type, limit the
13707 warnings to cases where the base of the type is ten.
13709 * invoke.texi (-Wtraditional): Document it.
13711 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13713 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13714 * rs6000.md: Only access a CONST_INT with INTVAL
13716 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13718 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13719 (compute_nearerout): Likewise.
13720 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13721 size_t to unsigned long for formatting.
13723 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13725 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13726 Allow the user to override call-used/fixed state of %g2-5
13727 registers from the command line (with the exception of %g4 for
13729 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13730 there is a higher chance of having a leaf function.
13731 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13732 for ARCH64 which has %ccr register.
13733 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13735 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13736 insn accept into delay slot any insn which does not use %[ol]
13737 registers. Accept some LO_SUM and shift left by 1 for the normal
13739 (output_function_epilogue): Likewise.
13740 (epilogue_renumber): Added argument which inhibits any renumbering
13741 and just tests if the rtx does not use any %[ol] registers.
13742 (output_return): Reflect above change.
13744 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13746 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13747 aggregate passing for sizes <= 16 bytes.
13749 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13751 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13752 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13753 * reload.c (find_dummy_reload): Likewise.
13754 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13755 * reload1.c (reload_as_needed): Likewise.
13756 * stupid.c (stupid_find_reg): Likewise.
13757 * tm.texi (Obsolete Register Macros): Delete section.
13758 * gmicro.h: Remove all traces of the two macros.
13759 * i386.h: Likewise.
13760 * m88k.h: Likewise.
13761 * mips.h: Likewise.
13763 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13765 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13766 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13767 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13768 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13769 units for the sparclite86x chip.
13770 (flush): Revert October 14th change; add SImode specifically.
13771 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13772 * invoke.texi: Document it.
13774 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13776 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13777 psimode_truncation_operand.
13779 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13780 function. Return true if the operand is either a MEM valid
13781 for a PSImode address or not a MEM at all.
13783 * config/mn10200/mn10200.md (truncsipsi2): Use
13784 psimode_truncation_operand.
13786 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13788 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13789 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13790 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13791 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13792 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13793 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13794 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13795 * basic-block.h: Protect from multiple inclusion.
13796 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13797 (struct loops, struct loop): Define structures.
13798 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13799 * sbitmap.h: Protect from multiple inclusion.
13800 (sbitmap_a_subset_b_p): Add prototype.
13801 * Makefile.in (LOOP_H): New macro.
13802 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13804 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13806 * cppinit.c (CAT): The argument list of this macro may not contain
13809 1999-11-29 David S. Miller <davem@redhat.com>
13811 Move quantity tables and register equivalence chains into
13812 per-qty and per-register structure arrays respectively.
13813 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13814 qty_const_insn, qty_comparison_code, qty_comparison_const,
13815 qty_comparison_qty): Delete, replace with...
13816 (qty_table): this structure table.
13817 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13818 (reg_eqv_table): this structure table.
13819 (make_new_qty): Add argument MODE. Caller updated.
13820 Update to use qty_table and reg_eqv_table.
13821 (make_regs_eqv, delete_reg_equiv, insert_regs,
13822 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13823 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13824 cse_process_notes, cse_main, cse_basic_block): Likewise.
13826 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13828 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13829 operation if C is negative.
13830 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13831 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13832 law for some divisions if constant is negative and change other
13833 divisions to the opposite rounding.
13835 * expr.c (store_constructor_field): If bit position is not multiple
13836 of alignment of TARGET's mode, use BLKmode.
13838 * expr.c (expand_expr_unaligned): Add more code from full case
13839 that is needed when OP0 is in a register.
13841 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13843 * dwarfout.c (field_byte_offset): Size can be zero if there was
13846 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13848 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13849 (associate_trees): Delete unused var TEM.
13850 (extract_muldiv): Delete unused var CANCEL_P.
13852 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13853 (target_isinf, target_isnan, target_negative): Add return types to
13854 function definitions.
13856 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13858 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13859 * fixinc/hackshell.tpl: ditto
13860 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13861 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13863 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13865 * reload.c (push_reload): When looking for a register to put into
13866 reg_rtx, make sure all hard regs in a multi-reg register are in the
13867 right class and nonfixed.
13869 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13870 pending_read_insns, pending_write_insns, pending_read_mems,
13871 pending_write_mems, pending_list_length, last_pending_memory_flush,
13872 last_function_call, sched_before_next_call): Move static variables
13874 (bb_ prefixed versions): Replace with single array bb_deps.
13875 (struct deps): New structure.
13876 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13877 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13878 argument of type "struct deps *"; use that instead of global
13879 variables. All callers changed.
13880 (init_rgn_data_dependencies): Delete function.
13881 (init_rtx_vector): Delete function.
13882 (init_deps): New function.
13884 (free_pending_lists): Simplify, we always use the bb_deps array even
13885 if only one basic block.
13886 (compute_block_backward_dependences): Likewise.
13887 (schedule_region): Likewise.
13889 (propagate_deps): New function, broken out of
13890 compute_block_backward_dependences.
13891 (compute_block_backward_dependences): Use it.
13893 * alpha.md: Delete useless patterns that tried to work around
13894 register elimination problems.
13896 * unroll.c (loop_iterations): Don't abort if iteration variable
13899 From Joern Rennecke:
13900 * reload1.c (reloads_conflict): Reverse test comparing operand
13901 numbers when testing for conflict between output/outaddr reloads.
13903 1999-11-29 David S. Miller <davem@redhat.com>
13905 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13907 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13909 1999-11-28 Robert Lipe <robertl@cygnus.com>
13911 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13912 table from .fini into .dtor.
13914 1999-11-28 Anthony Green <green@cygnus.com>
13916 * tree.h (struct tree_decl): Add malloc_flag.
13917 (DECL_IS_MALLOC): Define.
13918 * c-common.c (attrs): Add A_MALLOC attribute.
13919 (init_attributes): Add this attribute to the table.
13920 (decl_attributes): Handle malloc attribute.
13921 * calls.c (special_function_p): Check for the malloc attribute.
13922 * extend.texi (Function Attributes): Document malloc attribute.
13924 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13926 * pa.md (reload shift-add patterns): Remove.
13928 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13930 * reorg.c (dbr_schedule) Print more statistics. Corrected
13931 problem when printing info when 3 delay slots are filled.
13933 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13935 * combine.c (setup_incoming_promotions): Pass an outgoing
13936 regno to FUNCTION_ARG_REGNO_P which it expects.
13938 1999-11-28 Andreas Jaeger <aj@suse.de>
13940 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13942 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13944 * cccp.c (do_include): Avoid initialization of automatic variable.
13946 * integrate.c (mark_stores): Function definition made void, to match
13947 previous declaration.
13948 * regclass.c (dump_regclass): Ditto.
13949 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13951 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13953 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13954 known to be multiple of divisor.
13956 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13958 * combine.c (try_combine): Add code to try to merge a set of a
13959 two-word pseudo to a constant with a setting of one of those words
13962 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13963 (split_tree): Completely rework to make more general.
13964 (make_range, fold): Call negate_expr.
13965 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13966 (fold, associate): Call new split_tree and associate_trees.
13967 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13969 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13971 * loop.c (try_copy_prop): Avoid GNU C extension.
13973 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13975 * except.c (init_eh_for_function): Still zero eh_return_context,
13976 eh_return_stack_adjust, and eh_return_handler.
13978 * except.h (eh_status): Adjust documentation for x_protect_list.
13979 (begin_protect_partials): New function.
13980 * except.c (enqueue_eh_entry): Fix formatting.
13981 (get_first_handler): Add consistency check.
13982 (add_partial_entry): Adjust usage of protect_list.
13983 (emit_cleanup_handler): Save and restore ehqueue.
13984 (expand_start_all_catch): Add comment.
13985 (begin_protect_partials): New function.
13986 (end_protect_partials): Adjust usage of protect_list.
13987 (init_eh_for_function): Use xcalloc.
13989 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13991 * c-common.c (check_format_info): Don't call a variadic function
13992 with a non-literal format string.
13994 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13996 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13997 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14000 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14003 * collect2.c (collect_wait): Likewise.
14005 * dbxout.c (dbxout_type): Likewise.
14007 * gcc.c (do_spec_1): Likewise.
14009 * genemit.c (gen_insn, gen_expand): Likewise.
14011 * genrecog.c (write_switch, write_subroutine): Likewise.
14013 * mips-tfile.c (catch_signal, botch): Likewise.
14015 * print-rtl.c (print_rtx): Likewise.
14017 * toplev.c (default_print_error_function, report_error_function,
14018 _fatal_insn): Likewise.
14020 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14022 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14024 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14026 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14027 operations when needed.
14028 * i386.md (fop_?f_comm): New.
14029 (fop_?f_1): Do not accept commutative operands.
14031 1999-11-25 Andreas Jaeger <aj@suse.de>
14033 * config/mips/mips.md (casesi_internal): Add missing brace.
14035 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14037 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14038 (splice_child_die): Handle moving a child DIE from the declaration
14039 DIE of a class to its specification.
14040 (gen_struct_or_union_type_die): Use 'complete' consistently.
14041 (gen_decl_die): Generate the virtual context DIE first.
14042 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14044 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14046 * config/mips/mips.md (call_value_multiple_interanal1): New.
14048 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14050 * dwarf2out.c (free_AT, free_die): New fns.
14051 (remove_children): Call them.
14052 (output_line_info): Disable removal of duplicate notes.
14054 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14055 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14056 means pretend the type isn't defined.
14057 Don't defer emitting types.
14058 (gen_type_die_for_member): New fn.
14059 (gen_decl_die): Call it.
14060 (splice_child_die): New fn.
14061 (gen_member_die): Call it rather than generate duplicate dies.
14063 Defer emitting information for the abstract instance of an inline
14064 until we either inline it or emit an out-of-line copy.
14065 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14066 from output_inline_function if DECL_ABSTRACT is also set.
14067 (block_ultimate_origin): Likewise.
14068 (gen_abstract_function): New fn.
14069 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14070 (gen_subprogram_die): An abstract instance is not a declaration
14071 just because it doesn't match current_function_decl. Don't abort
14072 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14073 has an abstract origin.
14074 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14075 abstract instance here.
14077 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14079 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14080 where we need to reload fpul from a system register.
14082 1999-11-24 Andreas Jaeger <aj@suse.de>
14084 * config/mips/linux.h (CPP_PREDEFINES): Added.
14085 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14087 1999-11-24 Andreas Jaeger <aj@suse.de>
14089 * config/mips/linux.h (TARGET_VERSION): Added.
14090 (HANDLE_SYSV_PRAGMA): Added.
14091 (DEFAULT_VTABLE_THUNKS): Added.
14093 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14095 * local-alloc.c (qty): New structure and static variable.
14096 (qty_phys_reg): Remove, all references changed to qty.
14097 (qty_n_refs): Likewise.
14098 (qty_min_class): Likewise.
14099 (qty_birth): Likewise.
14100 (qty_death): Likewise.
14101 (qty_size): Likewise.
14102 (qty_mode): Likewise.
14103 (qty_n_calls_crossed): Likewise.
14104 (qty_alternate_class): Likewise.
14105 (qty_changes_size): Likewise.
14106 (qty_first_reg): Likewise.
14107 (alloc_qty): Rename variable QTY to QTYNO.
14108 (finf_free_reg): Likewise.
14109 (local_alloc): Allocate qty, do not allocate the removed variables.
14111 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14113 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14114 when -membedded-pic is passed.
14116 * config/mips/mips.md (casesi): Handle 64-bit case too.
14117 (casesi_internal_di): New insn.
14119 * config/mips/mips.c (embedded_pic_offset): Always make the
14120 embedded-pic subtractions relative to the name of the current
14121 function by use of the magic string "..CURRENT_FUNCTION".
14122 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14124 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14126 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14127 of (const_int 0), when what we really care about is
14128 whether it's a zero constant anyway.
14129 (div_trap_mips16): Likewise.
14131 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14133 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14134 unroll_block_trees when generating debuggable code.
14136 * tree.h (unsave_expr_1): New function.
14137 (lang_unsave): New variable.
14138 (get_callee_fndecl): New function.
14139 * tree.c (unsave_expr_now_r): New function.
14140 (lang_unsave): Define.
14141 (unsave_expr_1): Likewise.
14142 (unsave_expr_now_r): Split out from unsave_expr_now.
14143 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14144 call unsave_expr_now_r.
14145 (get_callee_fndecl): Define.
14147 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14148 (gencheck.o): Do depend on lang_tree_files.
14150 * integrate.h (copy_decl_for_inlining): New declaration.
14151 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14152 (copy_decl_for_inlining): New function.
14153 (integrate_parm_decls): Use it.
14154 (integrate_decl_tree): Likewise.
14156 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14158 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14159 the second two from the first.
14160 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14161 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14162 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14164 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14165 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14168 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14170 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14171 needed on the address operand.
14172 * pa.c (call_operand_address): Check for the correct mode.
14174 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14176 * loop.c: Include "basic-block.h".
14177 (try_copy_prop, replace_loop_reg): New functions.
14178 (load_mems): Detect registers that just hold copies of the hoisted
14179 mem, and call try_copy_prop to eliminate them.
14180 * Makefile.in (loop.o): Update dependencies.
14182 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14184 * Makefile.in (gencheck.o): Depend on gencheck.h.
14185 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14186 (insn-peep.o): Depend on except.h and function.h.
14187 (insn-attrtab.o): Depend on RECOG_H.
14188 (insn-output.o): Depend on toplev.h and flags.h.
14189 (gengenrtl.o): Depend on real.h.
14190 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14191 Unify all dependencies to be on RECOG_H rather than recog.h.
14193 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14195 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14196 * configure.in: Try building a bi-arch 32/64-bit compiler on
14197 sparc-*-solaris2.7 and higher.
14198 * configure: Rebuild.
14200 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14202 * config/freebsd.h: New, FreeBSD architecture independent file.
14203 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14204 independent pieces.
14205 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14206 directly by i386/freebsd.h.
14207 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14208 independent configuration file.
14209 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14210 directly by i386/freebsd.h.
14211 * configure: Rebuilt.
14213 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14214 which is in the user's namespace.
14215 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14216 `i386' which is not in our namespace.
14218 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14220 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14222 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14224 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14225 (add_dwarf_attr, add_child_die): Just push onto the front.
14226 (reverse_die_lists): New fn.
14227 (add_sibling_attributes): Use it.
14228 (push_decl_scope): Reorganize.
14229 (add_name_and_src_coords_attributes): Don't set file and line for
14230 an artificial decl.
14231 (gen_subprogram_die): An artificial function doesn't need to match
14233 (gen_compile_unit_die): Return the generated die. Only add
14234 AT_comp_dir if the filename is relative.
14235 (remove_AT): Simplify loop. Also free string values.
14236 (output_die): A DIE ref can't be null.
14237 (output_value_format, value_format): Take a dw_attr_ref.
14238 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14239 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14240 AT_addr, AT_lbl): New fns.
14241 (various): Use them.
14242 (various): Constify.
14244 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14246 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14247 take SUBREG_WORD into account.
14248 (if_then_else_cond): Likewise.
14250 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14252 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14253 clause from BSD license, pursuant with
14255 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14257 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14259 * loop.c (load_mems): Reformat slightly.
14260 * basic-block.h (regset_head): New typedef.
14261 (INIT_REG_SET): New macro.
14263 1999-11-22 Bruce Korb <autogen@linuxbox.com
14265 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14266 (mips-dec-bsd*): non-functional code
14267 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14269 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14270 added three replacement fixes
14271 (no_double_slash): removed comments that are not (any longer) pertinent
14272 (bad_lval): this fix currently runs against many files.
14273 The comment seems to indicate that we should select for files
14274 containing 'pragma extern_prefix'.
14276 * fixinc/fixinc.x86-linux-gnu: deleted
14277 * fixinc/inclhack.sh: regen
14278 * fixinc/fixincl.x: regen
14279 * fixinc/fixincl.sh: regen
14281 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14283 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14284 its code is INSN and it has no notes.
14286 1999-11-22 Andrew Haley <aph@cygnus.com>
14288 * varasm.c (function_defined): Remove.
14289 (make_function_rtl): Don't set function_defined.
14290 (make_decl_rtl): Remove global register warning.
14291 * regclass.c (no_global_reg_vars): New variable.
14292 (globalize_reg): Warn if function has already been defined.
14293 (regclass_init): Set no_global_reg_vars.
14295 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14297 * regclass.c (reg_pref): New structure and static variable
14298 (prefclass): Delete.
14299 (altclass): Delete.
14300 (all uses of prefclass and altclass): Use reg_pref instead.
14302 1999-11-21 Nick Clifton <nickc@cygnus.com>
14304 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14306 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14307 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14308 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14310 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14312 * varasm.c (output_constructor): Solve problem with long long
14313 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14315 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14317 * global.c (allocno): New structure and static variable.
14318 (allocno_reg): Remove, all references replaced by allocno.
14319 (allocno_size): Likewise.
14320 (hard_reg_conflicts): Likewise.
14321 (hard_reg_preferences): Likewise.
14322 (hard_reg_copy_preferences): Likewise.
14323 (hard_reg_full_preferences): Likewise.
14324 (regs_someone_prefers): Likewise.
14325 (allocno_calls_crossed): Likewise.
14326 (allocno_n_refs): Likewise.
14327 (allocno_live_length): Likewise.
14328 (find_reg): Rename ALLOCNO to NUM.
14330 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14331 references updated.
14332 (may_move_out_cost): New variable.
14333 (init_reg_sets_1): Initialize may_move_out_cost.
14334 (record_reg_classes): Use may_move_out_cost.
14336 * regclass.c (dump_regclass): New function.
14337 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14338 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14339 pass rtl_dump_file to regclass.
14340 * rtl.h (regclass): Update prototype.
14342 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14344 * i386.md (neg, not and abs patterns): Revmap to use
14345 ix86_expand_unary_operator and ix86_unary_operator_ok.
14346 (add?f and sub?f expanders): Force operand 1 to register.
14347 * i386.c (ix86_expand_unary_operator): Rewrite.
14348 (ix86_unary_operator_ok): Ensure that memory operands
14350 (ix86_binary_operator_ok): Do not allow operand 1 to
14351 come into memory and operand 0 not.
14352 (ix86_expand_binary_operator): Ensure that
14353 src1 is not non-matching memory.
14355 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14356 to support integer registers and memory.
14357 (abss?2_integer): Likewise.
14359 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14360 (REG_CLASS_NAMES): Likewise.
14361 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14363 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14364 (movsf): Likewise; unify 4th and 5th alternative.
14365 (pushdf): Likewise.
14366 (movdf_1): Likewise; rename to movdf_integer.
14367 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14368 remove redundant splitter.
14369 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14370 (movdf_nointeger): New.
14371 (movxf_nointeger): New.
14372 (pushxf_nointeger): New.
14374 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14375 memory operands in patterns.
14376 (fop*): Refuse two memory operands.
14378 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14379 on !TARGET_USE_CLTD CPUs.
14381 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14383 * extend.texi: Document C++ restricted pointers and references.
14385 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14387 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14388 (invalidate_skipped_set): Call it unconditionally.
14389 (cse_set_around_loop): Likewise.
14391 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14393 * rtl.texi (mem): Add documentation for alias-set argument
14396 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14398 * i386.h (struct_processor_costs): New fields int_load, int_store,
14399 fp_move, fp_load and fp_store
14400 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14402 (MEMORY_MOVE_COST): New macro.
14403 * i386.c (386_cost): Define new fields.
14404 (i486_cost): Likewise.
14405 (pentium_cost): Likewise.
14406 (pentiumpro_cost): Likewise.
14407 (k6_cost): Likewise.
14409 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14410 Geoffrey Keating <geoffk@cygnus.com>
14412 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14414 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14417 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14418 (TARGET_STRICT_ALIGNMENT): New macro.
14419 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14420 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14421 * invoke.texi (M680x0 Options): Document -mstrict-align.
14423 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14424 Richard Henderson <rth@cygnus.com>
14426 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14427 (ix86_split_long_move): Declare.
14428 * i386.c (split_xf, ix86_split_movdi): Remove.
14429 (ix86_split_to_parts, ix86_split_long_move): New.
14430 * i386.md (dimode move splitters): Use ix86_split_long_move.
14431 (dfmode move splitters): Likewise.
14432 (xfmode move splitters): Likewise.
14433 (movsf_1): Allow F->r.
14434 (movdf_1, movxf_1): Allow F->ro.
14436 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14438 * except.h (struct eh_entry): Add goto_entry_p.
14439 (eh_region_from_symbol): Remove prototype.
14440 * except.c (find_func_region_from_symbol): New function.
14441 (emit_cleanup_handler): Likewise.
14442 (eh_region_from_symbol): Make it static.
14443 (add_new_handler): Verify the argument.
14444 (find_func_region): Update comment.
14445 (expand_eh_region_end): Expand handlers here, rater than waiting
14446 until expand_leftover_cleanups or start_all_catch.
14447 (expand_leftover_cleanups): Don't expand here.
14448 (expand_start_all_catch): Or here.
14449 (expand_rethrow): Check the return value from find_func_region.
14450 * function.c (expand_function_end): Emit the catch_clauses.
14452 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14454 * integrate.c (expand_inline_function): Add necessary check for NULL.
14456 1999-11-18 Nick Clifton <nickc@cygnus.com>
14458 * toplev.c (main): Correctly detect an unrecognised option.
14460 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14461 a -f option if it has not been recognised.
14463 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14465 * basic-block.h (update_life_extent): Remove trailing comma on
14466 enumeration type list.
14468 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14470 * varasm.c (output_constructor) Solved problem with long long
14471 bitfields. Corrected calculating this_time and shift. Also
14472 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14474 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14476 * flow.c (split_edge): Take looping structure into account when
14477 determining where to put the new block note.
14479 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14481 * Makefile.in (ggc-none.o): Provide host specific version if
14484 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14486 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14487 containing subregs too.
14489 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14491 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14492 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14493 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14494 (text_section): Add switches -munint-const-in-rodata and
14495 -mno-uninit-const-in-rodata.
14496 (ASM_OUTPUT_COMMON): Remove.
14497 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14498 const objects should be placed in read-only data. Otherwise declare
14501 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14503 * jump.c (jump_optimize_1): Revert last change.
14505 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14507 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14508 test if optimizing for size.
14510 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14512 * Makefile.in (toplev.o): Depend on except.h.
14513 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14515 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14517 * i386.md (divmodsi4): Rewrite to expander.
14518 (*divmodsi4_nocltd): New.
14519 (*divmodsi4_cltd): New.
14520 (divmodsi4 splitter): Handle the case when input comes in edx.
14521 (udivmodhi4): Do not use constraints in exander.
14522 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14524 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14526 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14527 for the common case.
14529 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14531 * explow.c (hard_function_value): Add outgoing argument.
14532 * expr.h (hard_function_value): Declare it.
14533 * calls.c (expand_call, emit_library_call_value): Update callers.
14534 * function.c (aggregate_value_p): Ditto.
14535 (diddle_return_value): Must look at the outgoing registers
14536 on archs with register windows.
14538 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14540 * alpha.c (alpha_build_va_list): Use make_lang_type and
14541 initialize TYPE_NAME for the va_list record.
14543 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14545 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14547 * ggc.h (struct ggc_statistics): Rearrange elements for better
14548 packing on 64-bit hosts.
14549 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14550 (compute_nearerout): Likewise.
14552 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14554 * config/rs6000/rs6000.c (first_reg_to_save): Save
14555 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14557 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14559 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14560 notion of nesting to find the DIE for a type or function.
14561 DIEs can go in limbo even if we got a context_die.
14562 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14563 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14565 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14566 (gen_type_die): Writing out the context doesn't cause member class
14567 template instantiations to be written out as well.
14569 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14571 * rs6000.h (ASM_OUTPUT_DEF): New.
14572 Based on proposed addition from David Edelsohn.
14574 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14575 Bruce Korb <autogen@linuxbox.com>
14577 * fixinc/inclhack.def
14578 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14579 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14581 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14582 (svr4_endian): enabled with SVR5
14583 (svr4_mkdev): simplified syntax and enabled with SVR5
14585 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14587 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14588 * configure: Rebuilt.
14589 * config/t-freebsd-thread: New file.
14591 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14593 * i386.c (ix86_decompose_address): Verify the base is a REG
14594 before trying to examine its register number.
14596 * basic-block.h: Remove all #defines and prototypes related to
14598 (free_bb_mem, compute_preds_succs): Remove prototype.
14599 * rtl.h (free_bb_mem): Remove prototype.
14600 * flow.c (alloc_int_list_node); Remove function.
14601 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14602 (compute_preds_succs, free_bb_mem): Likewise.
14603 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14604 * toplev.c (rest_of_compilation): Likewise.
14605 * haifa-sched.c (build_control_flow): Use flow generated edge
14606 list to build the haifa specific edge list.
14607 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14608 (schedule_insns): Do not build pred/succ lists anymore. Instead
14609 build the edge table.
14611 * basic-block.h (dump_bb_data): Remove declaration.
14612 * flow.c (dump_bb_data): Remove function.
14613 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14614 (sbitmap_union_of_predsucc): Likewise.
14616 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14617 argument. All callers changed.
14618 (delete_null_pointer_checks_1): No longer need to compute the
14621 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14622 All callers changed.
14623 (pre_expr_reaches_here_p_work): Likewise.
14624 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14625 * lcm.c (compute_laterin): Fix initialization of LATER.
14626 (compute_nearerout): Similarly for NEARER.
14628 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14630 * cse.c (set_nonvarying_address_components): Delete unused function.
14631 (refers_to_p): Likewise.
14633 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14635 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14638 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14640 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14641 definition in do while (0).
14643 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14645 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14647 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14649 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14651 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14653 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14654 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14655 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14656 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14658 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14659 saved on the stack. Output more accurate stack frame statistics
14660 into assembler file.
14662 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14664 * genextract.c (record_insn_name): New function.
14665 (get_insn_name): No longer a stub.
14666 (main): Call record_insn_name for each insn. After each label
14667 written, print the insn name in a comment.
14669 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14671 * output.h (const_section, init_section, fini_section): Add
14674 * alpha/elf.h (const_section): Delete declaration.
14676 * svr4.h (const_section): Likewise.
14678 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14680 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14681 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14682 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14684 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14685 variable-sized array bounds.
14687 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14689 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14692 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14694 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14695 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14697 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14699 * cse.c (hash_arg_in_struct): Delete.
14700 (struct table_elt): Delete elt in_struct.
14701 (struct set): Delete elt src_in_struct.
14702 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14703 the corresponding in_struct elts.
14704 (canon_hash): Likewise.
14705 (safe_hash): Likewise.
14706 (find_best_addr): Likewise.
14707 (record_jump_cond): Likewise.
14708 (cse_insn): Likewise.
14710 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14712 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14714 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14717 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14719 * function.c (diddle_return_value): Put back check that the DECL_RTL
14720 for the function is a register.
14722 * function.c (diddle_return_value): Use hard_function_value to
14723 get an rtx suitable for use in the USE/CLOBBER insn.
14725 * global.c (global_conflicts): Update comments.
14726 (record_conflicts): No need to record conflicts between pseudos here.
14728 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14730 * fixinc/fixincl.c: Added verbose levels for status messages
14732 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14734 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14735 operand as argument to expand_and or expand_binop.
14737 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14739 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14740 gcc_add_string_root.
14742 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14744 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14746 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14748 * flow.c (compute_flow_dominators): Initially put all blocks on
14750 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14751 * gcse.c (compute_cprop_avinout): Remove.
14752 (compute_cprop_data): Use compute_available.
14753 (delete_null_pointer_checks_1): Use compute_available.
14755 * basic-block.h (compute_available): Returns a void now.
14756 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14757 to return a value anymore.
14758 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14759 worklists. Fix boundary cases. Compute maximal solutions.
14760 (compute_laterin, compute_nearerout): Similarly.
14762 * dwarf2out.c (add_AT_location_description): Allow
14763 (mem (plus (pseudo) (...)) too.
14765 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14767 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14769 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14770 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14772 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14774 * gansidecl.h: Likewise.
14780 * toplev.h: Likewise.
14782 * tree.c: Likewise.
14784 * tree.h: Likewise.
14786 * varray.c: Likewise.
14788 * varray.h: Likewise.
14790 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14792 * gcov.c (struct arcdata): Add hits and total, remove prob.
14793 (output_branch_counts): New.
14794 (process_args): Set output_branch_counts if -c.
14795 (calculate_branch_probs): Store hits and total instead of
14797 (output_data): Emit counts if output_branch_counts is true.
14798 * gcov.texi (Invoking Gcov): Document -c switch..
14800 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14802 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14803 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14805 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14807 * invoke.texi (C Dialect Options): Add missing builtins from
14808 c-common.c to list.
14809 * extend.texi (Other Builtins): Copy to this list.
14811 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14813 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14814 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14815 redundant bitmap.h.
14817 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14819 * flow.c (compute_flow_dominators): No longer treat basic block 0
14820 or (n_basic_blocks - 1) specially. Clear the AUX field before
14821 starting computation of doms/pdoms. Fix initial state for pdoms.
14823 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14825 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14826 match rtl.o's: added ggc.h and toplev.h
14827 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14828 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14829 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14831 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14833 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14834 from HAVE_DOS_BASED_FILESYSTEM.
14835 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14836 HAVE_DOS_BASED_FILESYSTEM.
14838 (split_directories): Only special-case DOS file names if
14839 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14840 instead of explicit tests. Conditionalize on !VMS.
14841 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14842 tests. Conditionalize on !VMS.
14843 (process_command): Only use make_relative_prefix if !VMS.
14844 (free_split_directories): Conditionalize on !VMS.
14845 (DIR_UP): Conditionalize on !VMS.
14847 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14849 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14851 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14853 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14856 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14858 * invoke.texi (Environment Variables): Document relative path
14860 * gcc.c (DIR_UP): If not defined, define as "..".
14861 (standard_bindir_prefix): New static, holds target location to
14863 (split_directories): New function to split a filename into
14864 component directories.
14865 (free_split_directories): New function, release memory allocated
14866 by split_directories.
14867 (make_relative_prefix): New function, make a relative pathname if
14868 the compiler is not in the expected location.
14869 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14870 can figure out an appropriate prefix from argv[0].
14871 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14872 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14873 STANDARD_BINDIR_PREFIX.
14875 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14877 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14879 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14880 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14881 c4x_secondary_memory_needed) Delete.
14882 (fp_zero_operand): Add mode argument.
14884 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14886 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14887 that is in reload_reg_used.
14889 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14891 * config/arm/arm-protos.h: New file: Prototypes for functions
14892 defined in arm.c and pe.c.
14893 * config/arm/arm.h: Fix compile time warnings.
14894 * config/arm/arm.c: Fix compile time warnings.
14895 * config/arm/pe.h: Fix compile time warnings.
14896 * config/arm/aout.h: Fix compile time warnings.
14898 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14900 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14903 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14904 Add support for subtargets.
14905 Add prototypes for new predicates.
14906 Add scheduling macros.
14908 * config/m32r/m32r.c: Fix compile time warnings.
14909 (int8_operand): New predicate function.
14910 (reg_or_cmp_int16_operand): New predicate function.
14911 (extend_operand): New predicate function.
14912 (m32r_adjust_code): New scheduling function.
14913 (m32r_adjust_priorty): New scheduling function.
14914 (m32r_sched_init): New scheduling function.
14915 (m32r_sched_reorder): New scheduling function.
14916 (m32r_sched_variable_issue): New scheduling function.
14917 (direct_return): New codegen function.
14918 (m32r_not_same_reg): New rtl testsing function.
14920 * config/m32r/m32r.md: Fix compile time warnings.
14921 Add support for pre decrement and post increment memory
14923 Add S<cc> patterns.
14926 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14928 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14929 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14930 (find_reg): Likewise.
14932 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14934 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14935 to avoid assembler errors.
14937 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14939 * config/v850/v850-protos.h: New file: Prototypes for functions
14941 * config/v850/v850.h: Move prototypes to v850-protos.h
14942 * config/v850/v850.c: Move prototypes to v850-protos.h
14943 * config/v850/v850.md: Fix compile time warnings.
14945 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14947 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14948 * config/fr30/fr30.c: Fix compile time warnings.
14949 * config/fr30/fr30.md: Fix compile time warnings.
14951 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14953 * tree.h (get_containing_scope): Declare it.
14954 * tree.c (get_containing_scope): New fucntion.
14955 (decl_function_context): Use it.
14956 * toplev.c (rest_of_compilation): Use get_containing_scope.
14958 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14960 * Makefile.in (rtl.o): Depend on toplev.h.
14962 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14964 * cse.c (delete_trivially_dead_insns): Replace alloca with
14966 * except.c (update_rethrow_references): Likewise.
14967 (init_eh_nesting_info): Likewise.
14968 * function.c (identify_blocks): Likewise.
14969 * gcse.c (dump_hash_table): Likewise.
14970 * graph.c (print_rtl_graph_with_bb): Likewise.
14971 * loop.c (combine_movables): Likewise.
14972 (move_movables): Likewise.
14973 (count_loop_regs_set): Likewise.
14974 (strength_reduce): Likewise.
14975 * profile.c (compute_branch_probabilities): New function, split
14977 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14978 * regclass.c (regclass): Likewise.
14979 * regmove.c (regmove_optimize): Likewise.
14980 * toplev.c (compile_file): Likewise.
14981 (main): Don't mess with the stack rlimit.
14983 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14985 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14986 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14988 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14990 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14992 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14994 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14995 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14998 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15000 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15002 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15004 * gcse.c (post_dominators): Kill.
15005 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15006 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15007 pass in a pdom array since we do not need pdoms.
15008 * haifa-sched.c (schedule_insns): Similarly.
15009 * flow.c (compute_dominators): Remove dead function.
15010 (compute_flow_dominators): Do not compute doms or pdoms if the
15011 caller does not request them. Split up loop to build doms and
15012 pdoms. Use a worklist to compute doms and pdoms.
15013 * basic-block.h (compute_dominators): Remove prototype.
15015 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15017 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15018 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15019 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15020 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15021 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15022 (schedule_region): Remove unused variable.
15023 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15025 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15027 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15028 (update_equiv_regs): Likewise.
15029 (block_alloc): Likewise.
15030 * reg-stack.c (reg_to_stack): Likewise.
15031 (convert_regs_2): Likewise.
15032 * reload1.c (reload_as_needed): Likewise.
15034 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15036 * Makefile.in (dbxout.o): Depend on ggc.h.
15037 (dwarf2out.o): Likewise.
15038 (xcoffout.o): Likewise.
15039 * dbxout.c: Include ggc.h.
15040 (dbxout_init): Register lastfile as a root.
15041 * dwarf2out.c: Include ggc.h.
15042 (dwarf2out_line): Register lastfile as a root.
15043 * xcoffout.c: Include ggc.h.
15044 (xcoffout_source_line): Register xcoff_lastfile as a root.
15046 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15048 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15050 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15052 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15054 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15056 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15058 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15059 (EXECUTE_IF_CONFLICT): Likewise.
15060 (ALLOCNO_LIVE_P): Avoid signed division.
15061 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15062 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15063 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15065 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15067 * haifa-sched.c (schedule_block): Don't crash if there's no
15068 next insn for an interblock movement.
15069 (add_branch_dependences): Don't allow clobber insns to move either.
15071 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15073 * i386.c (split_xf): New.
15074 * i386-protos.h: Declare it.
15075 * i386.md (movxf_1): Add general regs alternatives.
15076 (movxf_1+1): New splitter for same.
15078 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15080 * function.c (purge_addressof_1): Add missing return values.
15082 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15084 * function.c (is_addressof): New function. Returns true if
15085 the given piece of RTL is an ADDRESSOF.
15086 (purge_addressof_1): Make boolean. Return false if the
15087 ADDRESSOFs could not be purged.
15088 (purge_addressof): If ADDRESSOFs could not be purged from the
15089 notes attached to an insn, remove the offending note(s),
15090 unless they are attached to a libcall.
15092 1999-11-05 Andreas Jaeger <aj@suse.de>
15094 * genoutput.c (null_operand =): Initialize all fields.
15096 * errors.h: Add extern to prototypes.
15098 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15100 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15101 * configure: Rebuilt.
15103 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15105 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15106 (mirror_conflicts): New function.
15107 (global_alloc): Call it.
15108 (expand_preferences): Remove redundant CONFLICTP test.
15109 (find_reg, dump_conflicts): Likewise.
15110 (prune_preferences): Process conflicts one word at a time.
15112 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15114 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15115 instead of an explicit loop.
15117 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15119 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15120 if REG_RETVAL check succeeds, then put classp in src_elt.
15122 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15124 * function.c (pad_to_arg_alignment): Only update argument_pad
15125 if the argument's alignment is greater than STACK_BOUNDARY.
15127 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15129 * bitmap.h (BITMAP_XFREE): New.
15130 * flow.c (life_analysis): Use it.
15131 (life_analysis_1): Free blocks.
15133 * combine.c (undo_commit): New.
15134 (try_combine): Use it. Don't zap undobuf.undos.
15135 (combine_instructions): Don't zap undobuf.undos; free the
15136 undobuf.frees list.
15138 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15140 * stmt.c (cost_table_): New.
15141 (estimate_case_costs): Use it instead of xmalloc.
15143 * toplev.c (compile_file): Reuse dumpname memory instead
15146 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15148 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15149 after verifying an EH edge.
15151 * haifa-sched.c (init_rgn_data_dependences): Correctly
15152 size bb_pending_lists_length when zeroing.
15154 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15156 * function.c (diddle_return_value): New.
15157 (expand_function_end): Use it.
15158 * stmt.c (expand_null_return): Likewise.
15159 (expand_value_return): Likewise.
15161 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15163 * reload1.c (reload): Don't remove return value clobbers.
15165 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15167 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15169 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15171 * cse.c (cse_main): Use xmalloc, not alloca.
15172 (cse_basic_block): Likewise.
15173 * local-alloc.c (local_alloc): Likewise.
15175 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15176 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15178 * rtl.c: Include toplev.h.
15179 (fatal): Remove declaration.
15181 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15183 * haifa-sched.c (schedule_block): Fix thinko.
15185 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15187 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15188 S_IR* defined values
15190 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15192 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15193 call `malloc' instead.
15195 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15197 * flags.h (flag_renumber_insns): Declare.
15198 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15200 * rtl.h (renumber_insns): Change prototype.
15201 * toplev.c (flag_renumber_insns): Define.
15202 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15204 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15206 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15207 and fpsqrtd. Use them and create fdiv function unit to more
15208 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15209 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15211 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15213 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15215 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15216 insn into ready list, do not use just a raw swap.
15218 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15220 * rtl.h (renumber_insns): New function.
15221 (remove_unnecessary_notes): Likewise.
15222 * emit-rtl.c (renumber_insns): Define.
15223 (remove_unncessary_notes): Likewise.
15224 * toplev.c (rest_of_compilation): Remove dead code.
15225 Use renumber_insns and remove_unncessary_notes.
15227 * gcse.c (struct null_pointer_info): New type.
15228 (get_bitmap_width): New function.
15229 (current_block): Remove.
15230 (nonnull_local): Likewise.
15231 (nonnull_killed): Likewise.
15232 (invalidate_nonnull_info): Take a null_pointer_info as input.
15233 (delete_null_pointer_checks_1): New function.
15234 (delete_null_pointer_checks): Use it.
15236 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15237 (split_edges): Likewise.
15238 (schedule_block): Likewise.
15239 (compute_block_backward_dependencies): Likewise.
15240 (schedule_region): Likewise.
15241 (schedule_insns): Likewise.
15243 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15245 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15246 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15247 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15248 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15249 * jump.c (delete_unreferenced_labels): Don't delete if
15250 LABEL_ALTERNATE_NAME is set.
15251 * print-rtl.c (print_rtx): Dump alternate name.
15252 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15253 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15254 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15255 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15257 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15259 * fix-header.c (recognized_extern, recognized_function): Constify
15262 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15263 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15264 (compute_available): Remove unused variable `last'.
15265 (compute_nearerout): Remove unused variable `temp_bitmap'.
15266 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15267 Remove unused variable `x'.
15269 * scan.h (recognized_function, recognized_extern): Constify a
15272 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15274 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15276 * varasm.c (decode_rtx_const): Use XSTR to access the string
15279 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15281 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15283 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15285 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15287 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15289 * pa.c (ireg_operand): New function.
15290 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15291 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15292 Fix out of date comment.
15294 * pa.md (negdi2): Turn into expander + anonymous pattern.
15296 * reload.c (find_reloads): Fix typos in recent change.
15298 * dwarf2out.c: Do not include ctype.h.
15300 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15302 * regclass.c (record_reg_classes): Always use may_move_cost when
15303 seeing how operand fits with various register classes.
15305 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15307 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15308 * toplev.c: Revert Nov 1 13:22 change.
15310 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15312 * config/pa/pa.md (height reduction patterns): Add checks for
15313 overlapping operands to avoid semantic-destroying splits for
15314 height reduction patterns.
15316 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15318 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15319 have been an hyphen, fixed.
15320 * configure: Rebuilt.
15322 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15324 * config/arm/tpe.h: Add prototypes for exported functions.
15325 * config/arm/pe.c: Fix compile time warnings.
15326 * config/arm/semi.h: Fix compile time warnings.
15327 * config/arm/arm.c: Fix compile time warnings.
15328 * config/arm/arm.h: Fix compile time warnings.
15329 * config/arm/arm.md: Fix compile time warnings.
15330 * config/arm/thumb.c: Fix compile time warnings.
15331 * config/arm/thumb.h: Fix compile time warnings.
15332 * config/arm/thumb.md: Fix compile time warnings.
15334 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15336 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15339 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15340 completely unrolled.
15342 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15344 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15346 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15348 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15349 * rtl.h (rtx_equal_p): Move prototype.
15350 * rtl.c (rtx_equal_function_value_matters): Move from
15352 (rtx_equal_p): Likewise.
15353 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15354 (rtx_equal_p): Likewise.
15356 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15358 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15359 ! HAS_INIT_SECTION.
15361 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15363 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15365 * pa.h (ADDR_VEC_ALIGN): Define.
15367 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15368 notes when presented with "if (foo) break; end_of_loop" and
15369 the break sequence gets moved out of the loop.
15371 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15372 Remove explicit zero initializations of entries within MAP.
15374 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15376 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15378 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15380 * bitmap.h (BITMAP_XMALLOC): New macro.
15381 * flow.c (CLEAN_ALLOCA): Remove.
15382 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15383 (life_analysis): Likewise.
15384 (update_life_info): Don't use CLEAN_ALLOCA.
15385 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15386 (calculate_global_regs_live): Likewise.
15387 (print_rtl_with_bb): Likewise.
15388 (verify_flow_info): Likewise.
15389 * global.c (global_alloc): Likewise.
15390 (global_conflicts): Likewise.
15391 * integrate.c (save_for_inline_nocopy): Likewise.
15392 (expand_inline_function): Likewise.
15393 * jump.c (jump_optimize_1): Likewise.
15394 (duplicate_loop_exit_test): Likewise.
15395 (thread_jumps): Likewise.
15396 * loop.c (loop_optimize): Likewise.
15397 (combine_givs): Likewise.
15398 (recombine_givs): Likewise.
15399 * reorg.c (dbr_schedule): Likewise.
15400 * unroll.c (unroll_loop): Likewise.
15402 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15404 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15406 * toplev.c (rest_of_compilation): Don't optimize the CFG
15407 when rebuilding, just before dbr.
15409 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15411 * output.h (assemble_end_function, assemble_destructor,
15412 assemble_constructor, assemble_gc_entry, assemble_global,
15413 assemble_label, output_constant_pool) Constify a char*.
15415 * varasm.c (assemble_destructor, assemble_constructor,
15416 assemble_gc_entry, assemble_end_function, assemble_global,
15417 assemble_label, output_constant_pool): Likewise.
15419 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15421 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15422 explaining what is goin on in this function.
15424 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15426 * regclass.c (record_reg_classes): In matching case, recompute
15427 costs since the direction of movement is different.
15429 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15431 * resource.c (mark_target_live_regs): For unconditional branches,
15432 the resources found at the branch target should be added to the
15433 resources found so far, not intersected.
15435 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15437 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15439 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15440 (sys/mman.h): Include this file only if #HAVE_MMAP.
15441 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15442 with automatically concatenated ANSI strings.
15444 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15446 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15447 (DIV_ROUND_UP): Robustify.
15448 (ggc_recalculate_in_use_p): New function.
15449 (release_pages): Don't inline it.
15450 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15452 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15453 (clear_marks): Always save in_use_p.
15454 (sweep_pages): Use ggc_recalculate_in_use_p.
15455 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15456 Release pages before counting statistics.
15458 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15460 * toplev.c (rest_of_compilation): Fix thinko in this change:
15462 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15464 (rest_of_compilation): If inside an inlined external function,
15465 pretend we are just being declared.
15467 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15469 * flow.c (calculate_global_regs_live): Fix thinko.
15471 * integrate.c (expand_inline_function): Fix bugs in previous
15472 change from Oct 28, 1999.
15474 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15476 * stmt.c (expand_value_return): Fix typo in this change:
15478 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15479 (expand_value_return): Correctly convert VAL when promoting function
15480 return; support RETURN_REG being a PARALLEL.
15482 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15484 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15486 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15488 * hard-reg-set.h (reg_names): Constify a char*.
15490 * regclass.c (reg_names): Likewise.
15492 * regs.h (reg_names): Likewise
15494 * a29k/a29k.c (reg_names): Delete declaration.
15496 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15498 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15499 arc_output_function_epilogue): Likewise.
15501 * elxsi/elxsi.c (reg_names): Likewise.
15503 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15505 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15508 * m88k/m88k.c (output_function_profiler): Likewise.
15510 * sparc/sparc.c (sparc_flat_output_function_prologue,
15511 sparc_flat_output_function_epilogue): Likewise.
15513 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15515 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15516 warning from -Wuninitialized and put it under -W.
15517 * function.c (uninitialized_vars_warning): Warn only when the
15518 corresponding flag is set.
15520 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15522 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15523 is nonzero and the single set does not have an elt, then assign
15526 * simplify-rtx.c: New file.
15527 * Makefile.in (OBJS): Add simplify-rtx.o
15528 (simplify-rtx.o): Add dependencies.
15529 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15530 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15531 (cse_gen_binary, simplify_unary_operation): Delete.
15532 (simplify_binary_operation, simplify_plus_minus): Likewise.
15533 (check_fold_consts, simplify_relation_operation): Likewise.
15534 (simplify_ternary_operation): Likewise.
15535 (delete_trivially_dead_insns): Simplify the contents of the
15536 REG_EQUAL note before trying to substitute it into the source
15537 of the reg-reg copy at the end of a libcall sequence.
15539 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15540 references/callers changed.
15542 * mn10200.c (mn10200_va_arg): Force the return value into a
15545 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15547 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15550 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15552 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15554 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15556 * fold-const.c (fold): Fix thinko when optimizing comparisons
15559 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15561 * gcc.texi (Passes): Update front-end files to their current
15564 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15566 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15567 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15568 (PREDICATE_CODES): Add addition_operation.
15569 * alpha-protos.h (addition_operation): Declare.
15570 (secondary_reload_class): Likewise.
15571 * alpha.c (addition_operation): New.
15572 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15573 * alpha.md (adddi3): Turn into expander.
15574 (*lda, *adddi_2): New.
15575 (movsf, movdf patterns): Don't preference integer regs.
15576 (movsi, movdi patterns): Don't preference fp regs.
15578 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15580 * genrecog.c (write_switch): Check for duplicate CODE cases.
15582 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15584 * ggc-common.c: Update pre-function commentary.
15585 * ggc-page.c: Likewise.
15587 (poison_pages): Use memset directly.
15588 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15589 (ggc_collect): Poison before sweeping.
15590 * ggc-simple.c: Update pre-function commentary.
15591 (ggc_alloc_obj): Poison non-zeroed memory.
15593 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15595 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15596 match format string, even on 64-bit hosts.
15597 * gcc-page.c (ggc_page_print_statistics): Likewise.
15599 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15601 * config/i386/i386.c (ix86_cpu): Revert last patch.
15602 * config/i386/i386.h (ix86_cpu): Ditto.
15604 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15606 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15607 TYPE_SIZE, convert type of result to sizetype.
15609 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15611 * flow.c (count_or_remove_death_notes): Equate NULL with the
15614 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15615 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15618 * i386.c (pic_label_no): Delete.
15619 (ix86_attr_length_default): Don't use single_set to peek
15622 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15623 the first insn after bb->end.
15624 * i386.md (push mem peeps): Scratch is live after evaluation
15626 (cmp mem peep): Similarly.
15628 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15630 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15631 * function.c (pad_to_arg_alignment): Add missing braces.
15633 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15635 * alpha/alpha-protos.h (literal_section): Add prototype.
15636 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15639 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15641 (alpha_start_function, alpha_end_function, float_strings,
15642 alpha_need_linkage): Constify a char*
15644 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15646 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15648 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15650 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15652 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15654 * flow.c (debug_flow_info): Add prototype.
15656 * gcc.c (main): Likewise.
15658 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15661 * reload1.c (failed_reload, set_reload_reg): Likewise.
15663 * mips-tfile.c (main): Likewise.
15664 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15665 with ATTRIBUTE_NORETURN.
15667 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15669 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15670 DECL is not a memory ref.
15672 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15674 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15675 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15677 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15679 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15680 * config/mips/elf64.h: ditto.
15682 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15684 * expr.c (emit_push_insn): New argument alignment_pad.
15685 Update all callers. Adjust stack pointer based on alignment pad.
15686 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15687 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15688 (locate_and_pad_parm): New argument alignment_pad. Update all
15690 * expr.h (emit_push_insn): Update prototype.
15691 (locate_and_pad_parm): Update prototype.
15692 * calls.c (arg_data): Add new field alignment_pad.
15693 (initialize_argument_information): Initialize alignment_pad.
15695 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15697 * except.c (free_eh_nesting_info): Free the info itself.
15698 * function.c (free_after_compilation): Don't free NULL.
15699 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15700 (pre_edge_insert): Free inserted.
15701 * stmt.c (free_stmt_status): Don't free NULL.
15703 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15705 * gcov.c (DIR_SEPARATOR): Provide default.
15706 (output_data): Add test for MS-DOS format absolute filename.
15707 (fancy_abort): Correct program name.
15708 (open_files): Open all files in binary mode.
15709 * libgcc2.c (__bb_exit_func): Likewise.
15711 * profile.c (init_branch_prob): Specify binary when opening files.
15713 * flags.h (flag_unwind_tables): New decl.
15714 * toplev.c (flag_unwind_table): New definition.
15715 (f_options): Add -funwind-tables.
15716 (decode_g_option): Clarify warning when unknown -g option is given.
15717 (rest_of_compilation): If inside an inlined external function,
15718 pretend we are just being declared.
15720 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15721 (dwarf2out_frame_finish): Likewise.
15723 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15725 * fold-const.c (merge_ranges): If not in0, but in1, handle
15726 upper bounds equal like subset case.
15728 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15730 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15731 passed in a register but moved to the stack.
15733 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15735 * gcc.c (pass_exit_codes, greatest_status): New variables.
15736 (struct option_map): Add entry for "--pass-exit-codes".
15737 (execute): Update greatest_status if error.
15738 (display_help): Add documentation for -pass-exit-codes.
15739 (process_command): Handle -pass-exit-codes.
15740 (main): Look at pass_exit_codes and greatest_status on call to exit.
15742 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15744 * reload.c (find_reloads): Refine test for no input reload
15745 case to not includes reloads emitted after insn.
15747 * function.c (find_temp_slots_from_address): Handle sum involving
15748 a register that points to a temp slot.
15749 (update_temp_slot_address): Make recursive call if both old and
15750 new are PLUS with a common operand.
15751 * calls.c (expand_call): Mark temp slot for result as having
15754 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15756 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15757 component as well as "BINUTILS".
15759 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15760 * integrate.c (copy_rtx_and_substitute): Likewise.
15761 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15762 All callers changed.
15763 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15765 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15766 gdb extensions, write size of type; also be more consistent
15767 in using references when this is a subtype.
15769 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15770 that is out of range.
15772 * loop.c (unknown_constant_address_altered): New variable.
15773 (prescan_loop): Initialize it.
15774 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15775 (invariant_p, case MEM): Remove handling for volatile and readonly;
15776 check new variable if readonly.
15777 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15779 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15780 (addr_affects_sp_p): Removed from note_mem_written and only
15781 define #ifdef AUTO_INC_DEC.
15783 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15785 * regclass.c (record_reg_classes): Properly handle register move
15788 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15789 Don't think valid if both operands are invalid.
15790 (struct constant_descriptor): New field RTL.
15791 (mark_const_hash_entry): Mark it.
15792 (record_constant{,_rtx}): Initialize it.
15793 (output_constant_def): Allocate RTL in permanent obstack and
15795 ({record,compare}_constant_1): Modes must match for
15796 CONSTRUCTOR of ARRAY_TYPE.
15798 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15799 * output.h (initializer_constant_valid_p): Move decl to here.
15800 * c-common.c (initializer_constant_valid_p): Delete function from here.
15801 * varasm.c (initializer_constant_valid_p): Move function to here.
15803 * tree.h (STRIP_SIGN_NOPS): New macro.
15804 * fold-const.c (optimize_minmax_comparison): New function.
15805 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15806 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15807 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15808 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15809 widening conversions.
15810 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15811 to look at size of mode, not precision of type; also add missing cases.
15812 (optimize_bit_field_compare, decode_field_reference): Don't try to
15813 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15815 * dwarf2out.c (ctype.h): Include.
15816 (dwarf2out_set_demangle_name_func): New function.
15817 (size_of_line_info): Deleted.
15818 (output_line_info): Compute size of line info table from difference
15820 (base_type_die, add_name_attribute): Call demangle function, if any.
15821 (field_byte_offset): Use bits per word for variable length fields.
15822 (gen_array_type_die): Add array name.
15823 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15824 (dwarf2out_add_library_unit_info): New function.
15826 * explow.c (set_stack_check_libfunc): New function.
15827 (stack_check_libfunc): New static variable.
15828 (probe_stack_range): Allow front-end to set up a libfunc to call.
15830 * combine.c (simplify_comparison): When making comparison in wider
15831 mode, check for having commuted an AND and a SUBREG.
15832 (contains_muldiv): New function.
15833 (try_combine): Call it when dividing a PARALLEL.
15834 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15835 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15837 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15838 use one of the CLOBBERs instead.
15839 (if_then_else_cond): If comparing against zero, just return thing
15842 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15843 Don't generate shifts and subtract if have conditional arithmetic.
15845 * rtl.h (delete_barrier): New declaration.
15846 * jump.c (jump_optimize): Set up to handle conditional call.
15847 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15848 (delete_barrier): New function.
15850 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15852 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15854 * tree.c (build_type_attribute_variant): Push to obstack of
15855 ttype around type_hash_canon call.
15857 * expr.c (placeholder_list): Move decl to file scope.
15858 (expand_expr): Don't force access to volatile just because its
15860 If ignoring reference operations, just expand the operands.
15861 (expand_expr, case COMPONENT_REF): Propagate
15862 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15863 Refine test for using bitfield operations vs pointer punning.
15864 (expand_expr, case CONVERT_EXPR): If converting to
15865 BLKmode UNION_TYPE from BLKmode, just return inner object.
15866 Use proper mode in store_field call.
15867 Properly set sizes of object to store and total size in store_field
15868 call for convert to union.
15869 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15870 memory (like for ADDR_EXPR). Also, don't put constant in register if
15871 we'll want it in memory.
15872 (readonly_fields_p): New function.
15873 (expand_expr, case INDIRECT_REF): Call it if LHS.
15874 (expand_assignment): Handle a RESULT_DECL where
15875 DECL_RTL is a PARALLEL.
15876 (do_jump, case WITH_RECORD_EXPR): New case.
15877 (get_inner_reference): Always go inside a CONVERT_EXPR
15878 and NOP_EXPR if both modes are the same.
15879 (store_field): Use bitfield operations if size of bitsize is not same
15880 as size of RHS's type.
15881 Check for bitpos not a multiple of alignment in BLKmode case.
15882 Do block move in largest possible alignment.
15883 (store_constructor): Set BITSIZE to -1 for variable size and properly
15884 in case of array of BLKmode.
15885 (expand_expr_unaligned): New function.
15886 (do_compare_and_jump): Call it.
15888 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15889 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15890 does not include 'o'.
15892 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15893 both SET_DEST and SET_SRC reference a virtual register.
15894 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15896 * integrate.c (expand_inline_function): Handle case of setting
15897 virtual stack vars register (from built in setjmp); when parameter
15898 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15899 (subst_constant): Add new parm, MEMONLY.
15900 (expand_inline_function, integrate_parm_decls): Pass new parm.
15901 (integrate_decl_tree): Likewise.
15902 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15903 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15904 (copy_rtx_and_substitute, case SET): Add explicit calls to
15905 copy_rtx_and_substitute for both sides.
15907 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15909 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15910 within INDEX_TYPE, instead of before.
15911 (fixup_gotos): Use f->target_rtl, not the next insn,
15912 since latter may be from a later fixup.
15913 (expand_value_return): Correctly convert VAL when promoting function
15914 return; support RETURN_REG being a PARALLEL.
15915 (expand_return): When checking for result in regs and having
15916 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15918 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15920 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15921 last_nominal_fname): Mark const.
15922 (struct include_hash: name, nshort, control_macro): Mark
15924 (struct macrodef: symnam): Mark const.
15925 (struct if_stack: fname): Mark const.
15926 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15927 (IStable): New character-syntax array which encompasses all
15928 the old is_foo arrays.
15929 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15930 is_space): New macros for interrogating IStable.
15931 (check_macro_name): Kill last argument. All callers changed.
15933 * cppinit.c (initialize_char_syntax): Delete.
15934 (is_idchar, is_idstart, is_hor_space, is_space,
15935 trigraph_table): Delete.
15936 (IStable): New. Initialize with clever macros to avoid
15937 information duplication.
15938 (builtin_array): Table of builtins to get rid of explicit list
15939 in initialize_builtins.
15940 (initialize_builtins): Use builtins_array.
15941 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15942 opts->dollars_in_ident.
15944 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15946 (cpp_parse_expr): Avoid 'format string is not constant'
15947 warning. Use ISGRAPH to identify printable chars.
15948 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15950 (read_and_prescan): Map trigraphs to chars with open-coded
15951 if-else-if-... sequence, not a lookup table.
15952 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15954 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15955 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15956 (check_macro_name): Remove ability to report an invalid
15957 assertion name, which is never used.
15958 (do_line): Constify a couple of char *'s.
15959 * cppmain.c (main): Call cpp_cleanup before returning.
15961 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15963 * ggc.h (struct ggc_statistics): New type.
15964 (ggc_get_size): New function.
15965 (ggc_print_statistics): Likewise.
15966 * ggc-common.c (ggc_stats): New variable.
15967 (ggc_mark_rtx_children): Keep statistics.
15968 (ggc_mark_tree_children): Likewise.
15969 (ggc_print_statistics): New function.
15970 * ggc-page.c (struct globals): Add bytes_mapped field.
15971 (alloc_anon): Update it.
15972 (release_pages): Likewise.
15973 (ggc_get_size): New function.
15974 (ggc_page_print_statistics): New function.
15975 * ggc-simple.c (ggc_get_size): New function.
15977 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15979 * flow.c (propagate_block): When the last reference to a label
15980 before an ADDR_VEC is deleted because the reference is a dead
15981 store, delete the ADDR_VEC.
15983 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15985 * resource.c (find_free_register): Don't use the frame pointer
15986 if frame_pointer_needed.
15988 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15990 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15991 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15993 * config/i960/i960.c (i960_va_start): New locals base, num.
15994 Use INDIRECT_REF instead of ARRAY_REF on valist.
15995 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15997 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15999 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16001 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16003 * tree.def (PLACEHOLDER_EXPR): Update comments.
16005 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16007 * c-common.c (check_format_info): Avoid non-literal format string
16008 warnings when `first_arg_num' is zero.
16010 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16012 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16014 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16016 * arm.md (casesi_insn): Add a clobber of the condition code
16019 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16021 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16022 used by both cc1 and cc1plus.
16024 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16026 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16027 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16028 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16029 to the value 32 if it has not already been defined.
16030 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16031 Override definition in arm.h with a value of 8.
16033 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16035 * c-pragma.c (push_alignment): Don't check the return value
16038 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16040 * sparc.h (ADJUST_COST): Fix thinko.
16042 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16044 * cccp.c (rescan): Fixed obp pointer handling around call to
16045 check_expand subroutine.
16047 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16049 * gcse.c (delete_null_pointer_checks): Only record non-null info
16050 for pseudos when examining stores.
16052 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16053 splitters for these patterns. Use "#" for output templates.
16054 (addsi3_carryin_shift): New pattern.
16056 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16058 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16059 of the function return register into a plain REG until
16060 after function inlining is done.
16062 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16064 * jump.c (jump_optimize_1): If we did cross-jumping, and
16065 the data will matter, rebuild the CFG.
16066 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16067 not optimizing. Don't run shorten_branches.
16068 * toplev.c (rest_of_compilation): Run shorten_branches after
16071 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16073 * rtl.h (note_stores): Add additional paramter.
16074 * rtlanal.c (reg_set_p_1): Take additional paramter.
16075 (reg_set_last_1): Likewise.
16076 (reg_set_p): Adjust call to note_stores.
16077 (reg_set_last): Likewise.
16078 (note_stores): Pass data parameter to worker function.
16079 * alias.c (record_set): Take additional parameter.
16080 (init_alias_analysis): Pass it.
16081 * caller-save.c (mark_set_regs): Take additional parameter.
16082 (save_call_clobbered_regs): Pass NULL to note_stores.
16083 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16085 (record_dead_and_set_regs_1): Likewise.
16086 (reg_dead_at_p_1): Likewise.
16087 (combine_instructions): Adjust calls to note_stores.
16088 (try_combine): Likewise.
16089 (record_dead_insn): Remove.
16090 (record_dead_and_set_regs): Adjust calls to note_stores.
16091 (reg_dead_at_p): Likewise.
16092 * cse.c (invalidate_skipped_set): Take additional parameter.
16093 (cse_check_loop_start): Likewise.
16094 (cse_check_loop_start_value): Remove.
16095 (cse_set_around_loop): Adjust calls to note_stores.
16096 * flow.c (notice_stack_pointer_modification): Take additional
16097 parameter. Remove duplicate declaration.
16098 (record_volatile_insns): Adjust calls to note_stores.
16099 * gcse.c (record_set_info): Take additional parameter.
16100 (record_last_set_info): Likewise.
16101 (invalidate_nonnull_info): Likewise.
16102 (record_set_insn): Remove.
16103 (compute_sets): Adjust calls to note_stores.
16104 (last_set_insn): Remove.
16105 (compute_hash_table): Adjust calls to note_stores.
16106 (insert_insn_end_bb): Likewise.
16107 (delete_null_pointer_checks): Likewise.
16108 * global.c (mark_reg_store): Take additional parameter.
16109 (mark_reg_clobber): Likewise.
16110 (reg_becomes_live): Likewise.
16111 (global_conflicts): Adjust calls to note_stores.
16112 (build_insn_chain): Likewise.
16113 * integrate.c (note_modified_parmregs): Take additional parameter.
16114 (mark_stores): Likewise. Make it static.
16115 (save_for_inline_nocopy): Adjust calls to note_stores.
16116 (try_constants): Likewise.
16117 * integrate.h (mark_stores): Remove declaration.
16118 * jump.c (mark_modified_reg): Take additional parameter.
16119 (thread_jumps): Adjust calls to note_stores.
16120 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16122 (no_equiv): Likewise.
16123 (reg_is_set): Likewise.
16124 (validate_equiv_mem): Adjust calls to note_stores.
16125 (update_equiv_regs): Likewise.
16126 (block_alloc): Likewise.
16127 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16128 (note_addr_stored): Take additional parameter.
16129 (note_set_pseudo_multiple_uses): Likewise.
16130 (record_initial): Likewise.
16131 (prescan_loop): Adjust calls to note_stores.
16132 (strength_reduce): Likewise.
16133 (check_dbra_loop): Likewise.
16134 * regmove.c (flags_set_1): Take additional paramter.
16135 (mark_flags_life_zones): Adjust calls to note_stores.
16136 * reload1.c (mark_not_eliminable): Take additional parameter.
16137 (forget_old_reloads_1): Likewise.
16138 (reload_cse_invalidate_rtx): Likewise.
16139 (reload_cse_check_clobber): Likewise.
16140 (reload_combine_note_store): Likewise.
16141 (move2add_note_store): Likewise.
16142 (reload): Adjust calls to note_stores.
16143 (reload_as_needed): Likewise.
16144 (emit_reload_insns): Likewise.
16145 (reload_cse_regs_1): Likewise.
16146 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16147 (reload_combine): Adjust calls to note_stores.
16148 * resource.c (update_live_status): Take additional paramter.
16149 (mark_target_live_regs): Adjust calls to note_stores.
16150 * stupid.c (find_clobbered_regs): Take additional parameter.
16151 (stupid_life_analysis): Adjust calls to note_stores.
16153 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16155 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16158 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16161 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16162 of the variable arm_structure_size_boundary.
16164 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16166 * alias.c (init_alias_analysis): Allocate reg_known_value and
16167 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16169 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16170 * cse.c (cse_main): Call end_alias_analysis.
16171 * haifa-sched.c (schedule_insns): Likewise.
16172 * local-alloc. (update_equiv_regs): Likewise.
16173 * reload1.c (reload_cse_regs): Likewise.
16175 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16177 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16178 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16179 mapping from MASK_FPU.
16181 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16183 * sparc.md (call): Don't bound structure return size to 0xfff.
16185 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16187 * resource.c (mark_target_live_regs): Check that the target
16188 insn wasn't created after compute_bb_for_insn.
16190 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16192 * ggc-page.c (poison_pages): Don't be overzealous.
16194 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16196 * alias.c: Update comments for ADDRESS.
16197 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16198 it is a local memory reference.
16200 * c-typeck.c (build_function_call): Check that the built-in
16201 function is of class BUILT_IN_NORMAL before trying to recongize
16202 it as BUILT_IN_ABS.
16203 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16204 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16206 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16208 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16210 (pre_gcse): Likewise.
16211 (hoist_expr_reaches_here_p): Likewise.
16212 (hoist_code): Likewise.
16213 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16215 (pre_expr_reaches_here_p_work): ... here.
16216 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16218 (expr_reaches_here_p_work): ... here.
16220 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16222 * resource.c (find_basic_block): Delete.
16223 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16224 (init_resource_info): Call compute_bb_for_insn.
16226 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16228 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16229 with already adjacent blocks, but no fallthru.
16230 (merge_blocks_move_successor_nojumps): Simplify.
16231 (debug_flow_info): New.
16233 * toplev.c (rest_of_compilation): Open jump1 dump file before
16234 jump and close after, as opposed to just using dump_rtl.
16236 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16238 * reload.h (earlyclobber_operand_p): Declare.
16239 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16240 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16241 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16242 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16244 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16245 Richard Henderson <rth@cygnus.com>
16247 * emit-rtl.c (emit_block_insn_before): New.
16248 (emit_block_insn_after): New.
16249 * basic-block.h: Declare them.
16251 * bitmap.h: Protect from multiple inclusion.
16253 * recog.c (scratch_operand): Handle VOIDmode correctly.
16255 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16257 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16258 * function.c (assign_parms): Likewise.
16259 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16261 * reg-stack.c (max_uid): Remove.
16262 (blocks, block_begin, block_end, block_drops_in): Remove.
16263 (block_stack_in, block_out_reg_set, block_number): Remove.
16264 (struct block_info_def, BLOCK_INFO): New.
16265 (enum emit_where): New.
16266 (current_block): New.
16267 (BLOCK_NUM): Remove.
16268 (mark_regs_pat, record_label_references): Remove.
16269 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16271 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16272 (reg_to_stack): Simplified test for existance of fp code. Use
16273 flow.c code. Call shorten_branches after cross-jump opt.
16274 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16275 Return false if the asm doesn't use stack regs. Don't do life
16276 analysis on the asm.
16277 (emit_pop_insn): Replace function pointer arg `when' with
16278 enum `where'. Update all callers.
16279 (change_stack): Likewise. Update basic block end.
16280 (emit_swap_insn): Use current_block->head to limit reverse search
16281 for start of block. Use emit_block_insn_after.
16282 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16283 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16284 structure assignment instead of bcopy.
16285 (print_stack): New.
16286 (convert_regs_entry, convert_regs_exit): New.
16287 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16288 Work on basic blocks and the CFG.
16289 (convert_regs): Use them.
16291 * i386.c (output_fix_trunc): Remove code for DImode input operand
16292 not at top-of-stack.
16293 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16295 (fix_truncdi_1): Allow any mode scratch.
16297 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16299 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16300 * linux.h, netbsd.h, vms.h: Not here.
16302 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16304 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16305 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16306 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16307 CONDITIONAL_REGISTER_USEAGE): Use them.
16308 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16309 gen_conditional_branch,override_options) : Use them.
16310 * config/mips/mips.md : Use them.
16312 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16314 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16316 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16318 * integrate.c (function_cannot_inline_p): Don't allow inlining
16321 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16323 * c-parse.in (cast_expr): Constify.
16325 * cccp.c (special_symbol): Likewise.
16327 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16329 * dwarf2out.c (base_type_die): Likewise.
16331 * global.c (allocno_compare): Likewise.
16333 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16335 * regclass.c (fix_register): Likewise.
16337 * rtl.h (fix_register): Likewise.
16339 * stupid.c (stupid_reg_compare): Likewise.
16341 * toplev.c (decode_f_option): Likewise.
16343 * tree.c (build_complex_type): Likewise.
16345 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16347 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16349 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16351 * reload.c (find_reloads): Compute mode and nregs fields of all
16353 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16354 (calculate_needs): Use precomputed mode/nregs values.
16355 (allocate_reload_reg): Likewise.
16357 (failed_reload, set_reload_reg): ... new functions.
16358 (choose_reload_regs_init): New function, mostly broken out from...
16359 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16360 Also lose one #if 0 block.
16362 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16364 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16367 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16369 * tree.h (BLOCK_TYPE_TAGS): Remove.
16370 (BLOCK_END_NOTE): Likewise.
16371 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16372 (BLOCK_LIVE_RANGE_START): Likewise.
16373 (BLOCK_LIVE_RANGE_END): Likewise.
16374 (tree_block): Remove live_range_flag, live_range_var_flag, and
16375 type_tags. Remove end_note, live_range_start, and live_range_end.
16376 (remember_end_note): Remove prototype.
16377 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16378 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16380 * ggc-common.c (ggc_mark_tree_children): Don't mark
16381 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16382 * integrate.c (adjust_copied_decl_tree): Remove.
16383 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16384 * stmt.c (last_block_end_note): Remove.
16385 (init_stmt): Don't add a GC root for it.
16386 (expand_fixup): Don't set it.
16387 (remember_end_note): Remove.
16388 (expand_end_bindings): Don't set last_block_end_note.
16390 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16392 * reload1.c (reload_reg_free_for_value_p): Show
16393 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16396 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16398 * expmed.c (extract_bit_field): Allow for the case of non-integer
16399 objects that are smaller than a word (like SFmode on a 64-bit
16402 * loop.c (basic_induction_var): A non-integer variable which is
16403 being set by a paradoxical subreg is probably not a biv.
16405 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16407 * prefix.c (translate_name) Check for empty prefix string.
16409 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16411 * Makefile.in (CPP_CROSS_NAME): New variable.
16412 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16414 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16415 names of the files to be uninstalled.
16417 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16419 * collect2.c (IS_DIR_SEPARATOR): Define.
16420 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16422 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16425 * haifa-sched.c (add_dependence): Update the true dependency
16426 cache the first time we add a true dependence to the LOG_LINKS chain.
16428 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16430 * fold-const.c (fold): Fix comment.
16432 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16434 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16435 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16436 dbxout_start_new_source_file, dbxout_source_file,
16437 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16438 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16440 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16441 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16442 (dbxout_block): Initialize variable `blocknum'.
16444 * dbxout.h (dbxout_init, dbxout_finish,
16445 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16446 dbxout_args, dbxout_source_line): Constify a char*.
16448 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16449 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16450 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16451 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16452 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16453 src_info_attribute, mac_info_attribute, producer_attribute,
16454 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16455 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16456 dwarfout_undef): Constify a char*.
16457 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16459 * dwarfout.h (dwarfout_define, dwarfout_undef,
16460 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16462 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16464 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16465 (MULTILIB_ISA_DEFAULT): New.
16466 (MULTILIB_DEFAULTS): Use it.
16467 * config/mips/mips.c (): Remove the now unnecessary definition
16468 of MIPS_ISA_DEFAULT.
16469 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16470 unnecessary definition.
16472 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16474 * arm.md (pic_load_addr): Add constraints to operand 1.
16476 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16478 * fixinc/genfixes: Provide a means for specifying -D options to
16481 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16483 * arm.c (arm_override_options): Correct initialization of
16484 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16485 arm_is_strong, and arm_is_6_or_7.
16487 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16488 (note_set_pseudo_multiple_uses): New function.
16489 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16490 if a pseudo set in the loop exit is used elsewhere.
16492 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16494 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16496 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16498 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16499 a single load-address pattern.
16501 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16503 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16504 depending on whether or not line-number notes are present.
16506 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16508 * cccp.c (progname, file_buf, default_include, include_file,
16509 macrodef, definition, hashval, wchar_type, user_label_prefix,
16510 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16511 expand_to_temp_buffer, is_system_include, base_name,
16512 absolute_filename, read_name_map, open_include_file,
16513 record_control_macro, check_precompiled, check_preconditions,
16514 pcfinclude, pass_thru_directive, create_definition,
16515 check_macro_name, comp_def_part, collect_expansion,
16516 check_assertion, read_token_list, assertion_install,
16517 assertion_lookup, eval_if_expression, conditional_skip,
16518 validate_else, skip_quoted_string, quote_string, macarg1,
16519 error_from_errno, install, lookup, hashf, dump_defn_1,
16520 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16521 check_white_space, rescan, handle_directive, monthnames,
16522 special_symbol, do_include, remap_include_file, write_output,
16523 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16524 do_ident, do_sccs, do_xifdef, skip_if_group,
16525 output_line_directive, macroexpand, macarg, change_newlines,
16526 initialize_builtins, make_definition): Constify a char*.
16528 * pcp.h (stringdef): Likewise.
16530 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16532 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16535 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16536 Richard Henderson <rth@cygnus.com>
16538 * alias.c: Include ggc.h.
16539 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16540 (record_set): Verify enough room in reg_base_value.
16541 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16542 Register it as a GC root.
16543 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16544 * Makefile.in (alias.o): Depend on ggc.h.
16546 * unroll.c (unroll_loop): Verify the insn before a barrier
16547 is a JUMP_INSN before checking JUMP_LABEL.
16549 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16551 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16552 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16553 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16554 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16555 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16556 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16558 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16560 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16562 * alpha/alpha-interix.h (text_section): Delete prototype.
16563 * alpha/elf.h (text_section): Likewise.
16564 * arm/linux-elf.h (text_section): Likewise.
16565 * arm/linux-telf.h (text_section): Likewise.
16566 * c4x/c4x.h (text_section): Likewise.
16567 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16568 * elfos.h (text_section): Likewise.
16569 * i386/aix386ng.h (text_section): Likewise.
16570 * i386/i386-interix.h (text_section): Likewise.
16571 * i386/sco5.h (text_section): Likewise.
16572 * i386/svr3gas.h (text_section): Likewise.
16573 * nextstep.h (text_section): Likewise.
16574 * psos.h (text_section): Likewise.
16575 * ptx4.h (text_section): Likewise.
16576 * svr3.h (text_section): Likewise.
16577 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16579 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16581 * final.c (peephole): Delete prototype.
16583 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16584 (pre_insert_copies): Remove unused variable `bb'.
16586 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16589 * output.h (peephole): Add prototype.
16591 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16593 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16596 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16598 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16599 for inlined declarations.
16601 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16603 * arm.c (logical_binary_operator): New fucntion.
16604 * arm.h (logical_binary_operator): Declare it.
16605 (PREDICATE_CODES): Handle logical_binary_operator.
16606 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16607 output constraints. Add appropriate splitters.
16608 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16609 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16610 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16612 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16614 * genoutput.c (struct operand_data): New elt eliminable.
16615 (output_operand_data): Write it.
16616 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16617 (compare_operands): Take it into account.
16618 * recog.h (struct insn_operand_data): New elt eliminable.
16619 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16621 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16622 (eliminate_regs): Move code that detects changes to elimination
16623 target regs into new function elimination_effects.
16624 Delete one #if 0 block.
16625 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16626 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16627 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16628 Only call eliminate_regs for real operands of the insn, not for parts
16629 of its structure or parts matched by things like match_operator.
16630 Use elimination_effects and check_eliminable_occurrences. Use
16631 copy_insn to duplicate the pattern when not in the final pass.
16633 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16635 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16638 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16640 * fixinc/README: document the "mach" machine matching test
16641 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16642 * fixinc/fixtests.c: Implement the #else/#endif label test
16643 * fixinc/inclhack.def: utilize these tests and fixes
16644 * fixinc/inclhack.sh: regen
16645 * fixinc/fixincl.x: regen
16646 * fixinc/fixincl.sh: regen
16648 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16650 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16653 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16655 * gcc.1: Document exit codes.
16657 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16659 * calls.c: Include tm_p.h later, so everything we need is defined.
16660 * expr.c: Likewise.
16661 * function.c: Likewise.
16663 * except.c: Include tm_p.h.
16665 * sparc.c: Likewise.
16666 (dwarf2out_cfi_label): Don't prototype.
16667 (check_return_regs, epilogue_renumber,
16668 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16669 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16670 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16671 ultra_schedule_insn): Add static prototype.
16672 (data_segment_operand, text_segment_operand): Call itself with the
16673 proper number of arguments.
16674 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16676 * sparc.h: Move all declarations to sparc-protos.h.
16677 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16680 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16682 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16684 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16685 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16686 ASM_OUTPUT_ASCII): Constify a char*.
16688 * sparc-protos.h: New file for sparc prototypes.
16690 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16692 * function.c (record_insns, contains): Always declare and define.
16693 (record_insns): Mark with ATTRIBUTE_UNUSED.
16695 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16697 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16698 to .section when outputting a .bss section to deal with multiple
16699 .bss input sections (as happens with -fdata-sections)
16700 Also output %progbits, not @progbits so the assembler doesn't treat as
16702 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16704 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16705 thumb parts even when building with non-thumb CPUs, by forcing
16708 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16710 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16711 (movdf_const_intreg_sp64): Similarly.
16713 * local-alloc.c (update_equiv_regs): Check the correct insn
16714 for pre-existing REG_EQUIV notes.
16716 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16718 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16719 block reached by a branch if we're not going to actually process
16722 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16724 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16725 a local extern function declaration.
16727 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16729 * i386.c (ix86_expand_prologue): Properly wrap USE around
16730 reg for CALL_INSN_FUNCTION_USAGE.
16732 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16734 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16735 move between GP_REGs.
16737 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16739 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16740 the mode size when finding out if an offset is legal.
16742 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16744 * basic-block.h (PROP_*): Move constants from ...
16745 * flow.c: ... here.
16746 (compute_bb_for_insn): Free the array before reallocating.
16747 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16748 (allocate_reg_life_data): Reset all reg variables collected by
16750 (get_block_head_tail): Don't convert from bb to block.
16751 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16752 (find_insn_reg_weight): Take block not bb.
16753 (schedule_block): Don't set block num for moved insns.
16754 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16755 (schedule_insns): Do it here instead.
16756 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16757 before update_life_info.
16758 * recog.c (split_all_insns, peephole2_optimize): Update for
16759 new arg to update_life_info.
16760 * rtlanal.c (remove_note): Cope with NULL note.
16761 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16764 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16766 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16768 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16769 block records so that merge_blocks_nomove will clean up correctly.
16770 (split_edge): Handle casesi insns.
16772 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16774 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16776 * pa.md (call, call_value): Do not emit a blockage after restoring
16779 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16781 * c-typeck.c (c_expand_asm_operands): Fix typo.
16783 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16785 * arm.c (fpu_rhs_operand): Verify modes.
16786 (fpu_add_operand): Likewise.
16787 (di_operand): Likewise.
16788 (soft_df_operand): Likewise.
16790 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16792 * arm.c (arm_return_in_memory): APCS rules state that the elements
16793 of a structure returned in a register must be 'integer-like'.
16795 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16797 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16798 in the source tree when the generated targets are out of date
16799 * fixinc/genfixes: Alter it to run individual fixes for make.
16800 * fixinc/README: rewrite
16801 * fixinc/inclhack.def: moved initial comments to README
16803 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16805 * toplev.c (main): Do not generate an error message if an
16806 unrecognised command line switch is recognisable by another
16807 language. If extra_warnings are enabled, then generate a
16808 warning message instead.
16810 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16812 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16813 (insert_pack_attributes): Delete prototype.
16815 * c-pragma.c (default_alignment): New static variable.
16816 (push_alignment): Initialize to current effective alignment.
16817 (pop_alignment): Use to set new alignment.
16818 (insert_pack_attributes): Delete function.
16819 (handle_pragma_token): Set default_alignment as well each time
16820 a #pragma pack(<n>) is encountered.
16822 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16824 * reg-stack.c (stack_result): Aggregates are not returned in
16827 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16829 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16831 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16833 * basic-block.h (set_block_num): Declare.
16834 * flow.c (update_life_info): Don't call compute_bb_for_insn
16835 or free_basic_block_vars.
16836 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16837 (insn_orig_block): Remove.
16838 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16839 (schedule_block): Keep BLOCK_NUM up-to-date.
16840 (schedule_insns): Use compute_bb_for_insn.
16841 * recog.c (split_all_insns): Likewise.
16842 (peephole2_optimize): Likewise.
16844 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16846 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16847 if the pic register is used.
16849 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16851 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16852 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16853 if that tests TREE_PERMANENT.
16855 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16857 * cse.c (invalidate_for_call): Do not remove memory references from
16858 the table here. It's handled elsewhere.
16860 * haifa-sched.c (add_dependence): Protect references to the
16861 true dependency cache with #ifdef INSN_SCHEDULING.
16862 (remove_dependence): Similarly.
16864 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16865 to the cfg code that this is a return instruction.
16866 * mn10300.md (return_internal): Similarly.
16868 * combine.c (get_last_value): If the last set of a register
16869 is after subst_low_cuid, then we can not use it to determine
16870 the register's last value.
16872 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16874 * Makefile.in: Back out previous change.
16876 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16878 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16880 * haifa-sched.c (add_dependence): Only check/update the cache
16882 (remove_dependence): Likewise.
16883 (schedule_insns): Only create the true_dependency_cache if the
16884 average number of instructions in a basic block is very large.
16886 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16888 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16889 (ggc-simple.o): Likewise.
16890 (ggc-page.o): Likewise.
16892 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16894 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16895 Prototype for exported functions.
16896 (pre_lcm, pre_rev_lcm): Remove prototypes.
16897 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16898 (compute_available): Move to lcm.c, and change parameter order.
16899 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16900 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16901 (gcse_main): No longer call compute_preds_succs. Rebuild the
16902 set table after reach pre pass.
16903 (pre_insert_map, pre_delete_map, edge_list): New.
16904 (alloc_pre_mem): Allocate edge vectors.
16905 (free_pre_mem): Delete edge vectors.
16906 (compute_pre_data): Call new edge based lcm routines.
16907 (process_insert_insn): New function.
16908 (insert_insn_end_bb): Use it.
16909 (pre_edge_insert): New function.
16910 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16912 (pre_insert_copies): Revamp using new edge based lcm outputs.
16913 (pre_delete): Likewise.
16914 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16916 (compute_code_hoist_vbeinout): New new edge based routines.
16917 * lcm.c: Remove all the old LCM functions. Replace with new ones
16918 that work with the new cfg datastructures and work with edges
16921 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16923 * reload.h (struct reload): Add new fields "mode" and "nregs".
16924 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16925 to reference the "mode" and "nregs" field within struct reload.
16927 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16929 * haifa-sched.c (true_dependency_cache): New.
16930 (add_dependence): Use the true dependency cache to avoid expensive
16931 walks down the LOG_LINKS dependency list. Add entries to the
16932 cache as necessary.
16933 (remove_dependence): Remove entries from the true dependency cache
16935 (schedule_insns): Allocate and initialize and free the true
16938 * haifa-sched.c (schedule_insns): Do not remove inter-block
16939 dependencies anymore.
16941 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16943 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16944 * i386/t-winnt: Likewise.
16946 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16948 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16950 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16952 * Makefile.in (LANGUAGES): Omit "proto".
16953 (clean): Remove stale comment about removing unprotoize.c.
16955 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16957 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16958 using arithmetic on void pointers.
16960 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16962 * haifa-sched.c (compute_block_forward_dependencies): Only check
16963 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16965 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16967 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16968 (expr_equiv_p): Reject memories with different alias sets.
16970 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16972 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16973 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16974 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16975 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16976 (lang_init): Set default for flag_bounds_check if still "unspecified".
16978 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16980 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16982 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16984 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16987 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16989 * config/c4x/c4x.md (*db_noclobber,
16990 *decrement_and_branch_until_zero_noclobber): New patterns and
16991 associated splitters.
16993 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16995 * config/c4x/c4x.md (parallel instruction patterns): Rework
16996 constraints to keep reload happy.
16998 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17000 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17001 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17002 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17003 Add new patterns and associated post-reload splitters.
17005 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17007 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17009 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17011 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17013 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17015 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17017 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17020 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17022 * pa.c (move_operand): Rely on memory_address_p to determine the
17023 validity of non-indexed memory addresses.
17024 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17025 operand in DFmode and SFmode when generating PA2.0 code.
17027 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17029 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17031 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17033 * mips.c (function_prologue): Fix argument types.
17034 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17035 (casesi_internal): Write to the scratch register.
17037 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17039 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17041 (parse_charconst): Delete unnecessary cast when calling
17043 (cpplib.h): Kill prototype of cpp_parse_escape.
17045 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17047 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17048 * unroll.c (unroll_loop): Cast return value of alloca.
17049 * i370/i370.c: Include function.h and toplev.h.
17050 (i370_label_scan): Remove c++ commented abort.
17051 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17052 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17053 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17054 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17056 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17058 * config/t-freebsd: Do not override USER_H.
17059 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17061 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17062 Mumit Khan <khan@xraylith.wisc.edu>
17064 * c-parse.in (component_decl): Support anonymous struct/union.
17066 * c-parse.y: Regenerate.
17067 * c-parse.c: Likewise.
17068 * objc/objc-parse.y: Likewise.
17069 * objc/objc-parse.c: Likewise.
17070 * c-decl.c (finish_struct): Don't sort the fields.
17071 (field_decl_cmp): Delete unused function.
17073 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17075 * sparc.md (movsf_const_intreg): Revert last constraint change.
17076 (movdf_const_intreg_sp32): Likewise.
17078 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17080 * cse.c: Include hashtab.h instead of splay-tree.h
17081 (struct cse_reg_info): No longer use variant union. Add new
17082 field "regno". All references changed to avoid union.
17083 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17084 (free_cse_reg_info): Remove.
17085 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17086 (get_cse_reg_info): Revamp to use expandable hash tables instead
17087 of splay trees. Initialize new fields in cse_reg_info structure.
17088 (new_basic_block): Similarly.
17090 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17092 * genrecog.c (message_with_line): Prototype.
17093 (validate_pattern): Pass along the set for the dest, not a flag.
17094 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17095 Check for PC/CC0 as sources.
17096 (nodes_identical): Check for children position match before
17097 allowing the combination.
17099 * rtl.c (read_rtx): Track line number across \\\n.
17101 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17103 * mips.h (SPECIAL_MODE_PREDICATES): New.
17104 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17105 (movdi+1, movsi+1): Add output reload constraint.
17106 (casesi_internal): Likewise. Fix commentary.
17107 (return_internal): Use pmode_register_operand.
17109 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17111 * 1750a.md (movstrqi): Add missing output reload constraint.
17112 (call_value): Likewise.
17113 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17114 (jmpfdec): Add missing inout reload constraint.
17115 * elxsi.md (addsi patterns): Add missing output reload constraint.
17116 (move from sp): Use @ alternates.
17117 (call_value): No constraint on output.
17118 * fr30.md (movsi_pop): Add missing output reload constraint.
17119 (movsf_constant_store): Likewise.
17120 (splits): Remove constraints.
17121 (subsi3): Add missing mode.
17122 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17123 (call_value): Likewise.
17124 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17125 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17126 * m32r.md (movsicc_internal): Add output reload constraint.
17127 (movstrsi_internal): Add inout reload constraints.
17128 * m88k.h (reg_names): Don't declare.
17129 (SPECIAL_MODE_PREDICATES): New.
17130 * m88k.md (*): Use register_operand not reg_or_0_operand
17132 * mn10200.h (PREDICATE_CODES): New.
17133 * ns32k.md (ffs pattern): Add output reload constraint.
17134 * pdp11.md (sob pattern): Add inout reload constraint.
17135 * sh.md (splits): Remove constraints.
17136 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17137 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17138 * vax.md (jgequ pattern): Add inout reload constraint.
17140 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17142 * configure.in (djgpp): Revert previous patch.
17143 * configure: Rebuit.
17144 * config/i386/djgpp.h: Revert previous patch.
17146 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17148 * fixinc/inclhack.def: Restore patch lost during last merge of
17149 "no_bogosity" branch.
17150 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17152 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17154 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17155 * fixinc/inclhack.def: Same.
17156 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17158 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17160 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17161 as the base of a PLUS.
17163 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17165 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17166 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17168 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17170 * pa.md (post_stw+1): Use pmode_register_operand.
17171 (dcacheflush, icacheflush): Likewise.
17173 * i386.md (movstricthi_1): Allow r/r.
17175 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17177 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17178 to (not (and (arg0) (arg1))). Similary for and.
17180 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17181 fallthrough to associate code.
17182 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17185 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17186 no bits in common; remove XOR to ROTATE conversion.
17188 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17190 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17192 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17194 * config/c4x/c4x.c (dst_operand): New.
17195 (PREDICATE_CODES): Update.
17196 * config/c4x/c4x.h (dst_operand): Declare it.
17197 * config/c4x/c4x.md: Define mode for each unspec usage.
17198 (move patterns): Use dst_operand predicate instead of src_operand.
17199 (movqi_update, movqf_update): Delete.
17201 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17203 * recog.c (pmode_register_operand): New.
17204 * recog.h: Declare it.
17205 * genrecog.c (pred_codes): Likewise.
17206 (special_mode_pred_table): Likewise.
17207 (validate_pattern): Don't warn no mode for address_operand.
17209 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17210 if the operand is not insn-like.
17212 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17213 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17215 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17217 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17219 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17220 instead of general_operand in a SET_DEST. Use const_double_operand
17221 instead of an explicit test against CONST_DOUBLE.
17222 (movsf_const_lo): Add missing register mode.
17223 (goto_handler_and_restore): Add auxiliary test for Pmode.
17224 (flush): Adjust to use address_operand.
17225 (return_sf_no_fpu): Add missing output constraint.
17227 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17229 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17230 for call return value.
17231 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17233 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17235 * toplev.c (main): Only warn about options for other languages.
17236 * collect2.c (main): Pass -w to sub-gcc.
17238 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17240 * flow.c (propagate_block): Add call-clobbered registers to
17243 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17244 zapping mem_set_list.
17245 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17246 (mark_set_1, mark_used_regs): Likewise.
17248 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17250 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17252 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17254 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17255 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17256 options. Also add a new item "C-only Warning Options" to the
17259 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17261 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17262 from multiple calls.
17264 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17266 * i386.md (call value patterns): Move to the end of the file.
17267 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17269 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17271 * configure.in (djgpp configuration): Define extra_objects..
17272 * configure: Rebuilt.
17273 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17274 (DTORS_SECTION_ASM_OP): Define.
17275 (INIT_SECTION_ASM_OP): Define.
17276 (FINI_SECTION_ASM_OP): Define.
17277 (DATA_SECTION_ASM_OP): Define.
17278 (TEXT_SECTION_ASM_OP): Define.
17279 (EH_FRAME_SECTION_ASM_OP): Define.
17280 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17281 (STARTFILE_SPEC): Add crtbegin.o.
17282 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17283 to here from LINK_COMMAND_SPEC.
17284 (DO_GLOBAL_CTORS_BODY): Define.
17285 (CRTSTUFF_USE_FINI_SECTION): Define
17286 (HAS_INIT_SECTION): Delete.
17288 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17290 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17292 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17294 * pa.h (PREDICATE_CODES): New.
17296 * genrecog.c (validate_pattern): Condense the destination
17297 non-lvalue message.
17299 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17301 * alpha.md (call-1): Supply missing mode for operator.
17302 (*): Add missing output reload constraints. Remove constraints
17303 from define_splits.
17305 * i386.h (SPECIAL_MODE_PREDICATES): New.
17306 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17307 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17308 (addsi_lea_3): Add missing mode for op 3.
17309 (prologue_set_got, prologue_get_pc): Add missing modes.
17310 (*) Add missing output reload constraints.
17312 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17314 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17315 check for member bit-size overflow and use var_size if it occurs.
17316 (layout_record): Use bitsize_int() to define the type size in bits.
17317 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17318 (layout_decl): Likewise when assigning to DECL_SIZE.
17320 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17322 * genrecog.c (validate_pattern): Typo last change. Verify
17323 that output operands have output reloads.
17325 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17327 * genrecog.c (special_mode_pred_table): New.
17328 (NUM_SPECIAL_MODE_PREDS): New.
17329 (find_operand): New.
17330 (validate_pattern): New argument `insn'. Warn for assignment to
17331 any predicate accepting non-lvalues. Conditionaly warn for
17332 match_operand without a mode. Try much harder to match source
17333 and destination modes on a set.
17334 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17336 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17338 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17340 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17342 * combine.c (simplify_logical): Recognize xor pattern that encodes
17345 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17347 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17350 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17352 * ggc-page.c (MAP_FAILED): Provide default.
17354 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17356 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17357 * sparc.h (PREDICATE_CODES): Update.
17359 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17361 * alpha.c (some_ni_operand): New.
17362 * alpha-protos.h: Declare it.
17363 * alpha.h (PREDICATE_CODES): Update.
17364 * alpha.md (sXaddq reload insns): Use some_ni_operand
17365 for SET_DEST instead of some_operand.
17367 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17368 Jim Wilson <wilson@cygnus.com>
17370 * genrecog.c (maybe_both_true_2): Don't compare modes of
17372 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17373 after find_afterward.
17374 (debug_decision_1): Dump next and afterward codes.
17376 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17378 * rtl.c (dump_and_abort): Remove.
17379 (fatal_with_file_and_line): New.
17380 (fatal_expected_char): New.
17381 (read_rtx_lineno, read_rtx_filename): New.
17382 (read_skip_spaces): Track line number.
17383 (read_name): Use fatal_with_file_and_line.
17384 (read_rtx): Use fatal_expected_char. Track line number.
17385 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17387 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17388 if it isn't a CODE_LABEL.
17390 * genattr.c (main): Set read_rtx_filename.
17391 * genattrtab.c (main): Likewise.
17392 * gencodes.c (main): Likewise.
17393 * genconfig.c (main): Likewise.
17394 * genemit.c (main): Likewise.
17395 * genextract.c (main): Likewise.
17396 * genflags.c (main): Likewise.
17397 * genopinit.c (main): Likewise.
17398 * genoutput.c (main): Likewise.
17399 * genpeep.c (main): Likewise.
17401 * genrecog.c (decision_test.u.insn): Add `lineno'.
17402 (pattern_lineno, error_count): New variables.
17403 (message_with_line): New.
17404 (add_to_sequence): Break out checking code to ...
17405 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17406 (merge_insn): Use message_with_line.
17407 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17408 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17410 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17412 * expr.c (store_constructor): Clear union if constructor is empty.
17414 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17416 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17417 Add !endian checks. Change %{...} to %(...).
17419 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17421 * i386.md (*addsi3_cc): Renamed from addcsi3.
17422 (*addsi3_carry): Renamed from addxsi3.
17423 (*subsi3_cc): Renamed from subcsi3.
17424 (*subsi3_carry): Renamed from subxsi3.
17425 (*xorqi_cc_1): Renamed from xorcqi_1.
17426 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17427 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17429 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17431 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17432 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17434 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17436 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17437 climb up the chain of insns.
17439 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17441 * genrecog.c (write_subroutine): Careful for null trees.
17442 (process_tree): Don't elide empty functions.
17444 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17446 * Makefile.in (genrtl.o): Depend on ggc.h.
17447 * configure.in (valloc): Probe for it.
17448 (with-gc): Use ggc-page if valloc present.
17449 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17450 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17451 (ggc_alloc_string): Moved from ggc-page.c.
17452 * ggc-none.c (ggc_alloc_obj): New.
17453 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17454 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17455 (struct globals): Likewise for dev_zero_fd.
17456 (init_ggc): Likewise for it's initialization.
17457 (ggc_allocated_p): Move careful dereference from ...
17458 (ggc_lookup_page_table): ... here. Delete.
17459 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17460 (alloc_anon): Use valloc if no mmap.
17461 (release_pages): Use free if using valloc.
17462 (ggc_alloc_obj): Renamed from alloc_obj.
17463 (ggc_set_mark): Renamed from mark_obj.
17464 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17465 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17466 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17467 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17468 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17469 (ggc_collect): Use fp printing instead of our own rounding.
17470 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17471 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17472 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17473 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17474 (struct ggc_string, struct ggc_any): Delete.
17475 (offsetof): Provide default definition.
17476 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17478 (struct ggc_mem): New, from corpse of ggc_any.
17479 (struct ggc_status): Delete.
17480 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17481 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17482 (n_strings_collected, n_anys_collected): Delete.
17483 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17484 (ggc_alloc_string, ggc_alloc): Delete.
17485 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17486 (ggc_free_string, ggc_free_any): Delete.
17487 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17488 (ggc_compare_addresses, ggc_mark_string): Delete.
17489 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17490 (search_data): Delete.
17491 (struct globals): New.
17492 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17493 (tree_insert, tree_lookup): New.
17494 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17495 (clear_marks, sweep_objs): New.
17496 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17497 (init_ggc): Set allocated_last_gc.
17498 (ggc_push_context): Gut. Use G.context.
17499 (ggc_pop_context): Likewise.
17500 (ggc_pop_context_1): New.
17501 (debug_ggc_tree): New.
17502 (debug_ggc_balance, tally_leaves): New.
17503 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17504 (ggc_mark_string_if_gcable): Remove decl.
17505 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17506 (ggc_mark_rtvec_children): New.
17507 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17508 (ggc_mark_if_gcable): New decl.
17509 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17510 (ggc_alloc_tree, ggc_alloc): Likewise.
17511 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17512 (ggc_alloc_obj): New decl.
17513 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17514 (ggc_alloc_tree, ggc_alloc): Likewise.
17515 (ggc_set_mark): New decl.
17516 * rtl.h (struct rtx_def): Remove gc_mark.
17517 (struct rtvec_def): Likewise.
17518 * tree.h (struct tree_common): Likewise.
17520 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17522 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17523 float_format and thread_file definitions.
17524 * configure: Rebuilt.
17526 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17528 * extend.texi (Function Names): Document types of function names.
17530 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17532 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17533 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17535 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17537 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17539 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17541 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17543 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17545 * collect2.c (main): Do prelimnary link on AIX if rflag.
17547 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17549 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17550 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17552 (__do_global_dtors): similarly for __DTOR_LIST__.
17554 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17555 Diego Novillo <dnovillo@cygnus.com>
17557 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17560 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17562 * fixincl/*: Merged "no_bogosity" branch
17563 * fixincl/fixlib.h: protect against doubly defining t_bool
17564 * fixincl/server.h: protect against doubly defining t_bool
17566 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17568 * genoutput.c: Include toplev.h.
17570 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17572 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17574 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17575 * configure: Regenerate.
17577 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17579 * gcse.c (delete_null_pointer_checks): Returns void.
17581 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17583 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17584 * emit-rtl.c (copy_insn_1): Likewise.
17586 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17588 * config/mips/mips.c (mips_build_va_list): Correct
17589 TREE_CHAIN setting when hard-float.
17590 (mips_va_start): Use corrected setting.
17591 (mips_va_arg): Likewise. Also pass a tree to build of
17592 POSTINCREMENT_EXPR rather than a naked 'int'.
17594 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17596 * ggc.h (ggc_push_context): Fix comment.
17597 (ggc_pop_context): Likewise.
17598 (mark_string_if_gcable): Likewise.
17599 * ggc-common.c (ggc_mark_rtx_children): Use
17600 ggc_mark_string_if_gcable.
17601 * ggc-page.c (ggc_lookup_page_table): New function.
17602 (ggc_allocated_p): Likewise.
17603 (mark_obj): Fix formatting.
17604 (ggc_mark_string_if_gcable): New function.
17605 * ggc-simple.c (ggc_allocated_strings): New variable.
17606 (ggc_strings_used): Likewise.
17607 (ggc_compare_addresses): New function.
17608 (ggc_pop_context): Pop the `any' memory too.
17609 (ggc_mark_string_if_gcable): New function.
17610 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17612 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17614 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17615 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17616 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17619 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17621 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17622 (sched_reg_live_length, sched_reg_basic_block): Delete.
17623 (current_block_num, bb_live_regs, old_live_regs): Delete.
17624 (dead_notes, struct sometimes): Delete.
17625 (sched_note_set, birthing_insn_p): Delete.
17626 (adjust_priority): Gut useless reg lifetime code.
17627 (create_reg_dead_note, attach_deaths): Delete.
17628 (attach_deaths_insn, new_sometimes_live): Delete.
17629 (finish_sometimes_live): Delete.
17630 (find_pre_sched_live, find_post_sched_live): Delete.
17631 (update_reg_usage): Delete.
17632 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17633 (schedule_insns): Delete reg lifetime code.
17634 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17635 (unlink_other_notes): Adjust REG_NOTE commentary.
17636 (reemit_notes): Use REG_SAVE_NOTE.
17637 (schedule_block): Likewise.
17638 (schedule_region): Allocate bitmap of blocks in region. Use
17639 count_or_remove_death_notes. Use update_life_info.
17641 * rtl.h (REG_SAVE_NOTE): New.
17642 * rtl.c (reg_note_name): Update.
17644 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17646 * combine.c (refresh_blocks, need_refresh): New.
17647 (combine_instructions): Allocate refresh_blocks. Invoke
17648 update_life_info if needed.
17649 (distribute_notes): Mark refresh_blocks instead of installing
17651 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17652 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17654 * Makefile.in (recog.o): Depend on basic-block.h.
17656 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17658 * genrecog.c (add_to_sequence): Thinko last change: delete
17659 shadowing allow_const_int variable.
17661 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17663 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17664 __GNUC__ and __GNUC_MINOR__.
17666 * gansidecl.h: Likewise.
17672 * toplev.h: Likewise.
17674 * tree.c: Likewise.
17676 * tree.h: Likewise.
17678 * varray.c: Likewise.
17680 * varray.h: Likewise.
17682 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17684 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17685 use one before a jump table.
17687 * rtl.def (ADDRESS): Change documentation to match reality.
17688 * md.texi: Don't document it.
17689 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17692 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17694 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17696 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17697 known predicate block; default allow_const_int true.
17698 (debug_decision_list): New.
17700 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17702 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17704 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17706 * gcse.c (gcse_main): Avoid global optimizations if we have a
17707 large number of basic blocks and the ratio of edges to blocks
17709 (delete_null_pointer_checks): Likewise.
17711 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17713 * c-common.c (check_format_info): Warn if format string isn't a
17716 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17718 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17719 * configure: regenerate
17721 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17723 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17724 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17725 (peepholes): Re-enable.
17727 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17729 * Makefile.in (flow.o): Depend on TREE_H.
17730 * basic-block.h (REG_SET_EQUAL_P): New.
17731 (XOR_REG_SET): New.
17732 (n_edges): Declare.
17733 (free_regset_vector): Remove declaration.
17734 (flow_delete_insn_chain): Declare.
17735 (enum update_life_extent): New.
17736 (update_life_info, count_or_remove_death_notes): Declare.
17737 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17738 Verify register live at bb->global_live_at_start before adding USE.
17739 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17740 (CLEAN_ALLOCA): New.
17742 (PROP_*): New flags.
17743 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17744 (clear_edges): Zero n_edges.
17745 (make_edge): Increment n_edges.
17746 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17747 (flow_delete_insn_chain): Export.
17748 (delete_block): Decrement n_edges.
17749 (merge_blocks_nomove): Likewise.
17750 (life_analysis): Give life_analysis_1 PROP flags.
17751 (verify_wide_reg_1, verify_wide_reg): New.
17752 (verify_local_live_at_start): New.
17753 (update_life_info): Rewrite to call into propogate_block.
17755 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17756 always mark stack pointer. Conditionally mark PIC register.
17757 After reload, mark call-saved registers, return regsiters.
17758 (life_analysis_1): Accept PROP flags not remove_dead_code.
17759 Call mark_regs_live_at_end before zeroing regs_ever_live.
17760 Use calculate_global_regs_live. Copy global_live_at_end before
17761 calling final propagate_block. Zero reg_next_use on exit.
17762 (calculate_global_regs_live): New.
17763 (allocate_bb_life_data): Don't allocate bb->local_set.
17764 (init_regset_vector, free_regset_vector): Remove.
17765 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17766 Test flags before every operation. Warn if prologue/epilogue insn
17767 would have been deleted.
17768 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17769 Use alloc_EXPR_LIST.
17770 (mark_used_regs): Accept and use FLAGS, not FINAL.
17771 Remove special handling for RETURN.
17772 (try_pre_increment): Use alloc_EXPR_LIST.
17773 (dump_flow_info): Dump n_edges.
17774 (unlink_insn_chain, split_hard_reg_notes): Remove.
17775 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17776 (find_insn_with_note, new_insn_dead_notes): Remove.
17777 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17778 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17779 (replace_insns): Remove.
17780 (count_or_remove_death_notes): New.
17781 (verify_flow_info): Abort on error after all checks.
17782 (remove_edge): Decrement n_edges.
17783 (remove_fake_edges): Tweak format.
17784 * haifa-sched.c (schedule_insns): Use split_all_insns.
17785 * output.h (update_life_info): Remove declaration.
17786 * recog.c (split_all_insns): From the corpse of split_block_insns,
17787 do the whole function block by block. Use update_life_info.
17788 (recog_last_allowed_insn): New.
17789 (recog_next_insn): Mind it.
17790 (peephole2_optimize): Set it. Walk backwards through blocks.
17791 Use update_life_info.
17792 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17793 (split_all_insns): Declare.
17794 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17795 Use split_all_insns.
17797 * i386.md (or -1 peep2s): Disable.
17799 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17801 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17802 a single pattern. Scrap the 'd' versions as unnecessary.
17804 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17805 tablejump_mips162,tablejump_internal4): The operands to a
17806 label_ref must be VOIDmode.
17808 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17810 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17812 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17814 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17816 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17818 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17819 cache every function if ggc_p.
17821 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17823 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17824 instead of copy_rtx. Accept sequences that contain asm statements.
17825 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17826 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17827 orig_asm_operands_vector, copy_asm_operands_vector,
17828 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17830 * rtl.h (copy_insn, copy_insn_1): Declare.
17832 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17834 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17836 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17837 arguments to `current_file_function_operand'.
17839 * genrecog.c: Include hard-reg-set.h and resource.h in the
17840 generated output file.
17842 * real.c: Include tm_p.h.
17844 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17846 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17849 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17851 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17852 before the fctiwz insn.
17854 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17855 Mark Mitchell <mark@codesourcery.com>
17857 * tree.c (make_lang_type_fn): New funtion pointer.
17858 (make_lang_type): Call it.
17859 * tree.h (make_lang_type): Declare.
17860 (make_lang_type_fn): Likewise.
17861 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17863 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17865 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17866 make sure that HIGH instructions are copied into BASE_REGS.
17868 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17870 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17872 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17874 * c-decl.c (finish_struct): Use simpler method of
17875 removing elements of a singly-linked list.
17877 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17879 * alpha.md (peephole2's): Comment out peephole2's that generate
17882 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17884 * genrecog.c (add_to_sequence): Disable mode check for
17887 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17889 * ggc-simple.c (init_ggc): Set empty_string.
17891 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17893 * configure.in: Detect mmap. Add --with-gc=foo to select
17894 garbage collector; default to page if mmap available.
17895 * Makefile.in (GGC): Substitute.
17897 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17899 * c-decl.c (ggc_p): Enable.
17901 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17903 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17905 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17907 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17908 string for little-endian-data.
17910 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17912 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17913 case somebody tries to compile --enable-checking code with gcc
17916 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17918 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17921 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17923 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17924 * jump.c (jump_optimize_1): Document why.
17926 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17928 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17929 pointers and casts for `int_handler' and `quit_handler'.
17931 * flow.c (verify_flow_info, split_hard_reg_notes,
17932 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17933 remove_edge, remove_fake_successors): Add static prototypes.
17934 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17935 (mark_set_1): Initialize variable `regno'.
17936 (unlink_insn_chain): Likewise for variable `curr'.
17937 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17939 * loop.c (strength_reduce): Initialize variable
17940 `unrolled_insn_copies'.
17941 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17942 prototypes. Change these functions to take const PTR parameters
17943 to avoid prototype conflict when used as the comparson argument
17945 (check_dbra_loop): Initialize variable `comparison_val'.
17947 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17948 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17949 (find_valid_class): Initialize variable `best_class'.
17950 (find_reloads): Call memcpy, not bcopy.
17952 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17953 (hard_reg_use_compare): Don't needlessly cast away const.
17954 (reload_reg_class_lower): Likewise.
17955 (choose_reload_regs): Initialize variable `regno'.
17957 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17959 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17961 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17963 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17964 ({,d}discard): Add forward declarations. Declare parameter as
17966 (main_without_main): Explicitly declare return type to be int.
17967 (memcpy): Properly declare.
17969 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17970 building the trampoline support, declare malloc, free, and
17972 (__clear_cache): Mark arguments as potentially unused.
17974 * frame.c (toplevel): If inhibit_libc is defined, declare
17977 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17979 * flow.c (make_edge): Accept an optional 2D bitmap in which
17980 to cache edge existence. Update all callers.
17981 (make_label_edge, make_eh_edge): Pass through the edge cache.
17982 (make_edges): Provide the cache.
17984 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17986 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17988 (local_mbtowc): Change the type of variable `i' from int to size_t.
17990 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17991 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17993 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17995 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17996 after other includes that define the appropriate types. Include
17997 tm_p.h for getting user prototypes.
17998 * ggc-callbacks.c (toplevel): Ditto.
17999 * ggc-none.c (toplevel): Ditto.
18000 * gcc-page.c (toplevel): Ditto.
18001 * ggc-simple.c (toplevel): Ditto.
18003 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18004 Jonathan Larmour <jlarmour@cygnus.co.uk>
18006 * config/mips/mips.c (mips_move_2words): Split doubles if
18007 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18009 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18011 * genrecog.c (struct decision_test): New.
18012 (struct decision): Remove test-related members, sort the rest by size.
18013 (IS_SPLIT): Simplify.
18014 (new_decision, new_decision_test): New.
18015 (add_to_sequence): Use them. No special handling for args of
18017 (maybe_both_true): Renamed from not_both_true; return sense changed.
18018 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18019 of maybe_both_true and adjusted for decision_test.
18020 (position_merit): Remove.
18021 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18022 (merge_accept_insn): New, broken out of merge_trees.
18023 (merge_trees): Use them. No special case for c_test; no node
18024 splitting; use test type instead of position_merit.
18025 (factor_tests): New.
18026 (simplify_tests): New.
18027 (break_out_subroutines): Don't write code now.
18028 (find_afterward): New.
18029 (write_afterward, write_switch, write_cond): New.
18030 (write_action, is_unconditional): New.
18031 (write_node): New. Use them.
18032 (write_tree_1): Rewrite. Use the new functions above.
18033 (write_tree): Remove afterward processing.
18034 (write_subroutine): Simplify function variant emission.
18035 (write_subroutines): New.
18036 (same_codes, clear_codes): Remove.
18037 (same_modes, clear_modes): Remove.
18038 (write_header): New, broken out of main.
18039 (make_insn_sequence): Use new_decision and new_decision_test.
18040 (process_tree): New, broken out of main.
18041 (main): Adjust for merge_trees interface change.
18042 Don't #define operands in the output file.
18043 (record_insn_name): New, broken out of make_insn_sequence.
18044 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18045 (debug_decision): New.
18047 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18049 * resource.c (find_free_register): Mark class_str argument const.
18050 * resource.h: Update prototype to match.
18052 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18053 * i386.md: Give all anonymous insns names.
18055 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18057 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18060 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18062 * toplev.c (dbr_sched_time): Unconditional.
18063 (peephole2_time): New.
18064 (compile_file): Add pass numbers to all of the dump file suffixes.
18065 Dump peephole2_time. Don't dump times for non-applicable passes.
18066 (rest_of_compilation): Add pass numbers to dump file suffixes.
18067 Conditionalize calls to the scheduler.
18068 * invoke.texi: Update.
18070 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18072 * flow.c (make_edges): Fix insn iteration.
18073 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18074 (find_basic_blocks_1): Fix spelling mistake.
18076 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18078 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18079 always have side-effects. Use memset not bzero.
18080 (make_node): Likewise.
18082 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18084 * stmt.c (expand_anon_union_decl): When any of the elements of the
18085 union is addressable, so is the entire union.
18087 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18089 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18091 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18092 * bitmap.c (bitmap_operation): Return true iff TO changed.
18093 (bitmap_equal_p): New.
18094 (bitmap_bit_p): Tidy arithmetic.
18095 (debug_bitmap_file): Likewise.
18097 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18099 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18100 before cse2 instead of after.
18102 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18104 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18107 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18109 * cppinit.c (is_idchar initializer): Loosen tests to accept
18112 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18114 * mips.md: Define conditional move patterns for floating point
18115 operands and DI mode conditions.
18117 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18119 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18120 always have side-effects.
18122 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18124 * mn10200.c (asm_file_start): Fix typo.
18126 * cppinit.c (is_idchar initializer): Tighten tests for when
18127 to put the table into initialized memory.
18129 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18130 not an array of rtunion.
18131 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18132 * gcc-simple (ggc_free_rtvec): Similarly.
18134 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18137 * mbchar.h: Add missing #endif.
18139 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18140 (FPBIT, DPBIT): Define.
18142 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18144 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18146 * profile.c (instrument_arcs, output_gcov_string,
18147 tablejump_entry_p): Add static prototypes.
18148 (output_gcov_string): Constify a char*.
18150 * regmove.c (replacement_quality, fixup_match_2): Add static
18153 * resource.h (reg_dead_p): Add extern prototype.
18155 * rtl.c (trim_filename): Add static prototype.
18157 * scan-decls.c (skip_to_closing_brace): Likewise.
18159 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18160 (expand_end_case): Initialize variable `range'.
18161 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18163 * varasm.c (asm_emit_uninitialised): Add static prototype.
18164 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18167 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18169 * cpplib.c (if_directive_nameo): Add static prototype.
18171 * cse.c (cse_insn): Remove unused variable `p'.
18173 * except.c (create_rethrow_ref, push_entry,
18174 receive_exception_label, new_eh_region_entry, find_func_region,
18175 clear_function_eh_region, process_nestinfo): Add static prototypes.
18176 (get_reg_for_handler): Hide definition.
18177 (process_nestinfo): Initialize variable `extra_handlers'.
18179 * expr.h (expand_builtin_longjmp): Add extern prototype.
18181 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18183 * function.c (prepare_function_start): Likewise.
18184 (pop_function_context_from): Mark parameter `context' with
18186 (push_temp_slots_for_block, flush_addressof): Hide definition.
18188 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18189 solve_program_flow_graph, calculate_branch_probs,
18190 function_summary, main, fancy_abort): Add prototypes.
18192 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18193 (add_hash): Constify a char*.
18195 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18196 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18197 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18199 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18201 * lists.c (free_list, zap_lists): Likewise.
18203 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18205 * alias.c (nonlocal_reference_p): Add static prototype.
18207 * bitmap.c (bitmap_element_allocate): Prototype args in function
18210 * builtins.c (stabilize_va_list): Add static prototype.
18211 (expand_builtin_va_arg): Constify a char*.
18213 * c-lex.c (getch, put_back, extend_token_buffer_to,
18214 read_line_number, token_getch, token_put_back): Add static
18217 * c-parse.gperf (hash, is_reserved_word): Likewise.
18219 * cccp.c (is_dir_separator): Likewise.
18221 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18223 * graph.h: New file to prototype functions exported by graph.c.
18225 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18227 * graph.c: Include graph.h.
18229 * toplev.c: Likewise. Remove redundant prototypes.
18231 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18233 * invoke.texi: Removed duplicated description for -Q.
18235 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18237 * extend.texi: Grammar fix in __extension__ text.
18239 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18241 * md.texi (define_peephole2): New section.
18243 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18245 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18246 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18249 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18251 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18253 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18255 * i386.md (ffs expander): Emit Pentium friendly code for
18258 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18260 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18262 (build1): Likewise.
18264 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18266 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18268 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18270 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18271 register is in use.
18273 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18275 * md.texi (No Constraints): Delete section.
18276 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18277 * final.c (final_scan_insn): We always have register constraints.
18278 * genattrtab.c: Don't include "insn-config.h".
18279 (write_attr_case): We always have register constraints.
18280 * genconfig.c (register_constraint_flag): Delete.
18281 (walk_insn_part): Don't check whether we have register constraints.
18282 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18283 * genoutput.c (have_constraints): Delete.
18284 (main): Don't set it.
18285 (output_operand_data): We always have constraints.
18286 (scan_operands): Likewise.
18287 (compare_operands): Likewise.
18288 * local-alloc.c (block_alloc): We always have constraints.
18289 (requires_inout): Always compile this function.
18290 * recog.c (extract_insn): We always have constraints.
18291 (constrain_operands, reg_fits_class_p): Always compile these
18293 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18295 (struct insn_operand_data): Likewise.
18296 * regclass.c (regclass): We always have constraints.
18297 (record_reg_classes, copy_cost, record_address_regs,
18298 auto_inc_dec_reg_p): Always compile these functions.
18299 * regmove.c (regmove_optimize): We always have constraints.
18300 * reload.c (find_reloads): Likewise.
18301 * reload1.c (reload): Likewise.
18302 (reload_cse_simplify_operands): Likewise.
18303 * i860.c (output_delay_insn): Likewise.
18305 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18307 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18309 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18311 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18312 for the va_list record.
18314 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18316 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18319 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18321 * alias.c: Include insn-flags.h.
18322 * Makefile.in (alias.o): Update.
18324 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18326 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18327 to LTU and GEU. Handle more cases using sbb.
18329 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18331 * i386.md (truncatexfdf splitters): Do not use subreg.
18332 (fop XFmode patterns): Fix mode in operand testing.
18334 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18336 * jump.c (jump_optimize_1): Amend last change to test only the
18337 form of the operand, not the insn.
18339 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18340 not register_operand to determine when B may need preloading.
18342 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18344 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18345 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18346 (call-value patterns): Move to end of file.
18347 (*): Remove mode from label_ref in (pc) context.
18348 (movstrqi): Use memory not general_operand for BLKmode operands.
18349 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18350 to register_operand operands.
18351 (peep2 patterns): Convert from commented-out peephole patterns.
18353 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18355 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18356 to BUILT_IN_INIT_DWARF_REG_SIZES.
18357 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18358 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18359 expand_builtin_init_dwarf_reg_sizes.
18360 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18361 with __builtin_init_dwarf_reg_size_table.
18362 * dwarf2out.c (struct reg_size_range): Delete.
18363 (expand_builtin_init_dwarf_reg_sizes): New function.
18364 (expand_builtin_dwarf_reg_size): Delete.
18365 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18366 (expand_builtin_dwarf_reg_size): Don't declare.
18367 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18368 (dwarf_reg_size_table): New.
18369 (init_reg_size_table): New function.
18370 (copy_reg): Use dwarf_reg_size_table.
18371 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18374 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18376 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18377 Correctly build argument list to constructor and destructor functions.
18379 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18381 * c-tree.h (warn_float_equal): Declare.
18382 * c-decl.c (warn_float_equal): Define.
18383 (c_decode_option): Recognize -W[no-]float-equal.
18384 * c-typeck.c (build_binary_op): Conditionally warn
18385 about equality tests of floating point types.
18386 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18387 * invoke.texi: Add docs for -Wfloat-equal warning.
18389 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18391 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18392 generating RTL directly.
18393 * mips.h (INIT_TARGET_OPTABS): Likewise.
18394 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18396 * expr.h (init_mov_optab): Delete declaration
18398 * h8300.c (WORD_REG_USED): Update to avoid useless register
18399 saves in interrupt functions and functions which never return.
18401 * cse.c (struct set): Delete inner_dest_loc field.
18402 (cse_insn): Remove assignments to inner_dest_loc field.
18404 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18406 * ggc-page.c: Don't include <unistd.h> etc taken care of
18407 by "system.h". Include <sys/mman.h> afterward.
18409 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18411 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18414 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18416 * xcoffout.c (xcoffout_declare_function): Add documentation.
18417 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18418 TARGET_64BIT. Compare constant to -1, not bit pattern.
18419 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18420 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18423 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18425 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18426 origin_die is NULL.
18427 (gen_inlined_enumeration_type_die): Do not abort if the type has
18428 not been writeen out.
18429 (gen_inlined_structure_type_die): Do not abort if the type has
18430 not been writeen out.
18431 (gen_inlined_union_type_die): Do not abort if the type has
18432 not been writeen out.
18433 (gen_tagged_type_instantiation_die): Do not abort if the type
18434 has not been written out.
18436 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18438 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18440 * reg-stack.c (straighten_stack): Copy hard reg set with
18443 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18445 * builtins.c (stabilize_va_list): Stabilize array type va_list
18446 to a pointer type, not the base record type.
18447 (expand_builtin_va_copy): Dereference the pointers explicitly;
18448 use the correct size for the copy.
18450 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18451 (rs6000_va_arg): Likewise.
18453 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18455 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18457 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18459 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18461 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18463 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18465 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18466 (init_ggc): Use it instead of a constant.
18467 (ggc_collect): Bound allocated_last_gc by it.
18469 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18471 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18474 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18476 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18477 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18478 * configure: Regen.
18479 * config/mips/openbsd.h: New, OpenBSD little endian target.
18480 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18481 * config/mips/xm-openbsd.h: New, OpenBSD host.
18483 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18485 * config/m68k/m68k.c (output_function_prologue,
18486 output_function_epilogue): Use
18487 current_function_uses_pic_offset_table instead of regs_ever_live
18488 to decide whether to save/restore pic register.
18489 (legitimize_pic_address): Don't modify regs_ever_live any more.
18491 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18493 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18494 * stor-layout.c (variable_size): Don't add sizes to the pending
18495 sizes list if x_dont_save_pending_sizes_p is set.
18497 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18499 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18500 for symbolic_operand().
18501 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18503 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18505 * combine.c (gen_rtx_combine): Add missing call to va_end().
18507 * final.c (asm_fprintf): Likewise.
18509 * genattrtab.c (attr_rtx): Likewise.
18511 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18513 * cse.c: Update comments.
18514 (cse_insn): When converting a conditional/computed jump into
18515 an unconditional jump, always make sure a BARRIER immediately
18516 follows the converted jump. Do not delete unreachable code.
18517 (cse_basic_block): Do not delete unreachable code.
18518 * toplev.c (rest_of_compilation): Move call to
18519 delete_trivially_dead_insns after the conditional call to
18522 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18524 * collect2.c (make_temp_file): Don't prototype.
18526 * gcc.c (make_temp_file): Likewise.
18528 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18530 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18532 * varasm.c (asm_emit_uninitialised): New function: Generate
18533 the assembler statements necessary to declare an uninitialised
18535 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18537 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18538 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18540 (assemble_variable): Use asm_emit_uninitialised to emit an
18541 uninitialised variable.
18543 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18545 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18546 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18547 <geoffk@cygnus.com>.
18549 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18551 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18552 * c-common.h (builtin_function): Don't declare.
18554 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18556 (pushdecl): Likewise.
18557 (finish_decl): Likewise.
18558 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18559 int. All callers changed.
18560 Set the builtin's DECL_BUILT_IN_CLASS.
18561 * tree.h (enum built_in_class): New.
18562 (enum built_in_function): Delete NOT_BUILT_IN.
18563 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18565 (DECL_SET_FUNCTION_CODE): Likewise.
18566 (DECL_BUILT_IN_CLASS): New macro.
18567 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18568 (struct tree_decl): Split builtin function code field into a
18570 (builtin_function): Declare.
18572 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18574 * optabs.c (init_traps): Fix typo in last change.
18576 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18578 * toplev.c (rest_of_decl_compilation): Update comment.
18580 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18582 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18583 in .sbss if appropriate.
18584 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18585 (SBSS_SECTION_ASM_OP): New macro.
18586 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18587 (EXTRA_SECTIONS): Add in_sbss.
18588 * config/mips/mips.h: Prototype sbss_section.
18590 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18592 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18595 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18597 * optabs.c (init_traps): Register trap_rtx as a GC root.
18599 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18601 * config/mips/mips.c (function_arg_pass_by_reference): Define
18602 unconditionally, since it's called unconditionally.
18604 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18606 * toplev.c (documented_lang_options): Add -fshort-wchar.
18607 * c-decl.c (c_decode_option): Likewise.
18608 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18610 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18611 * gcc.c (default_compilers): If -fshort-wchar,
18612 override __WCHAR_TYPE__.
18613 * tm.texi (C Dialect Options): Add -fshort-wchar.
18615 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18616 symbol for a variable.
18618 * cpplib.h (CPP_PREPROCESSED): New macro.
18619 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18620 we're seeing this input for a second time.
18622 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18624 * emit-rtl.c (init_emit_once): Initialize modes first.
18626 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18628 * config/i386/i386.c (pic_label_name): Change to char pointer.
18629 (global_offset_table): New variable.
18630 (load_pic_register): Fill global_offset_table if it hasn't
18631 already been done. Allocate pic_label_name dynamically.
18632 * ggc.h (empty_string): New variable.
18633 * ggc-simple.c (empty_string): Likewise.
18634 (init_ggc): Allocate empty_string and add as root.
18635 * stmt.c (digit_strings): New variable.
18636 (init_stmt): Add last_block_end_note as root. Allocate and
18637 initialize digit_strings.
18638 (expand_asm_operands): Use empty_string instead of string
18639 constant. Use digit_strings instead of string constants.
18640 * profile.c (init_arc_profiler): Allocate string with
18641 ggc_alloc_string instead of xmalloc.
18642 (output_func_start_profiler): Likewise.
18643 * c-typeck.c (digest_init): Check if init is error_mark_node.
18645 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18646 Richard Henderson <rth@cygnus.com>
18648 * ggc-page.c: New file.
18649 * Makefile.in (ggc-page.o): New.
18651 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18653 * invoke.texi: Document -fdelete-null-pointer-checks
18654 * toplev.c (flag_delete_null_pointer_checks): New.
18655 (f_options): Add entry for -fdelete-null-pointer-checks.
18656 (rest_of_compilation): Conditionalize null pointer check
18657 elimination on flag_delete_null_pointer_checks.
18658 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18660 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18662 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18663 copyright notice and special exception to GPL.
18665 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18667 * abi64.h (mips_function_value): Add prototype arguments.
18669 * mips-protos.h: New file with mips prototypes.
18671 * mips.c: Include "tm_p.h".
18672 (mktemp, lookup_name): Add prototype arguments.
18673 (extern_list, string_constant, mips_fill_delay_slot,
18674 mips_output_external, mips_output_external_libcall,
18675 mips_output_filename, mips_declare_object, function_prologue,
18676 mips_expand_prologue, function_epilogue, mips16_constant,
18677 build_mips16_function_stub, mips_output_conditional_branch):
18679 (mips_va_start): Remove unused variable `u'.
18680 (mips_va_arg): Cast value to unsigned when comparing against one.
18682 (save_restore_insns, mips_expand_prologue): Add missing arg in
18683 call to `large_int'.
18685 * mips.h: Move prototypes to mips-protos.h.
18686 (data_section, memory_address_p, rdata_section,
18687 readonly_data_section, simple_epilogue_p, text_section): Delete
18688 prototypes delcared elsewhere.
18689 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18691 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18693 * mips.md: Delete extra args in call to `mips_move_2words'.
18695 * xm-iris6.h (alloca): Add prototype argument.
18697 * genpeep.c: Include "tm_p.h" in generated output file.
18699 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18701 * basic-block.h (find_edge_index): Change parameters.
18702 * flow.c (verify_edge_list): Pass basic_block parameters to
18703 find_edge_index instead of integers.
18705 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18707 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18710 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18712 * gcc.1: Fix a formatting error.
18714 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18716 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18717 i786, mn10200, mn10300, pdp11, v850.
18719 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18721 * libgcc2.c (num_digits): Add prototype with
18722 __attribute__((const)).
18723 (__terminate): Add prototype.
18725 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18727 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18729 * alpha/alpha.c (print_operand): Fix type of `code'.
18730 (alpha_output_filename): Constify.
18731 * alpha/alpha.h: Move all function declarations ...
18732 * alpha/alpha-protos.h: ... here. New file.
18733 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18734 (SECTION_FUNCTION_TEMPLATE): Likewise.
18736 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18738 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18739 * expr.c (expand_expr): Likewise.
18740 (do_jump): Likewise.
18741 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18742 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18744 (enum can_compare_purpose): New.
18745 (can_compare_p): Adjust prototype.
18746 (prepare_cmp_insn, prepare_operand): Declare.
18747 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18748 * optabs.c (cmp_available_p): Deleted.
18749 (expand_abs): Pass ccp_jump to can_compare_p.
18750 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18751 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18752 Call can_compare_p rather than cmp_available_p.
18753 (prepare_operand): No longer static.
18754 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18755 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18756 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18757 sequence to use emit_cmp_and_jump_insns.
18758 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18760 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18762 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18763 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18764 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18765 (plus (reg) (const_int 0))
18766 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18768 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18770 * rs6000.c (expand_block_move): DImode loads and stores require
18771 word-aligned displacements. Increment address registers with
18772 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18774 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18776 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18777 is no name for the base type, rather than segfault. If we are
18778 writing out a complex integer type, use DW_ATE_lo_user.
18780 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18781 in one word or less (complex char, complex short, or on 64 bit
18782 systems complex float) to/from a hard register, copy it through
18783 memory instead of dying in gen_{real,imag}part. If we have a
18784 short complex type, prevent inlining since it allocates stack
18787 * tree.c (build_complex_type): If we are writing dwarf2 output,
18788 generate a name for complex integer types.
18790 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18792 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18793 * flow.c (remove_edge): Remove extra whitespace.
18794 (remove_fake_edges): Fix comment.
18795 (add_noreturn_fake_exit_edges): Use the correct name.
18797 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18799 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18800 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18801 (clean): Depend on INTL_CLEAN.
18802 (maintainer-clean): Adjust.
18804 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18806 * configure.in (AC_PREREQ): Bump to 2.13.
18807 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18809 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18811 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18813 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18815 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18816 (HAVE_STRINGIZE): Define.
18818 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18820 * c-parse.in: save and restore warn_pointer_arith on __extension__
18821 along with pedantic.
18822 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18823 Set the type of extension to itype rather than $<itype>1 kludge.
18824 * extend.texi (Alternate Keywords): Adjust documentation.
18825 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18827 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18829 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18830 most assembler templates.
18832 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18833 FP loads and stores.
18834 (following_call): Always return zero for the PA8000.
18835 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18836 FP loads and stores.
18837 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18839 * pa.h (BRANCH_COST): Define.
18841 * pa.md (return, return_internal): Use bve for PA2.0.
18843 * pa.md (fused multiply): Add variants which reduce height for the
18844 fused multiply, but which still generate 2 insns.
18845 (fnegabs): Similarly.
18847 * pa.md (subsi3): Turn into an expander. Create two anonymous
18848 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18849 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18851 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18853 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18855 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18856 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18858 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18861 * flow.c (record_active_eh_regions): Terminate loop after finding
18862 the last insn in the last basic block.
18864 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18866 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18868 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18870 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18872 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18874 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18875 splitting to not use output template.
18877 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18879 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18880 * config/c4x/c4x.c (c4x_va_start): New function.
18882 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18884 * genrecog.c (not_both_true): Handle correctly cases when called for
18885 tests with different positions in the insn.
18887 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18889 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18891 * system.h (HOST_PTR_PRINTF): ... to here.
18893 * mips-tfile.c: Don't include machmode.h.
18895 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18896 (mips-tfile.o): Don't depend on machmode.h.
18898 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18900 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18901 avoid conflicts with typedef struct `region' at the top level scope.
18903 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18905 * basic-block.h (basic_block): Add eh_beg, eh_end.
18906 * flow.c (entry_exit_blocks): Update.
18907 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18908 Call new functions.
18909 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18910 lists.c functions to allocate insn lists.
18911 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18913 (make_eh_edge): ... here. New.
18914 (move_stray_eh_region_notes): New.
18915 (record_active_eh_regions): New.
18916 (delete_unreachable_blocks): Split out block merging ...
18917 (try_merge_blocks): ... here. New.
18918 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18919 Dump debugging data.
18920 (merge_blocks_move_successor_nojumps): Likewise.
18921 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18923 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18925 * extend.texi (Bound member functions): Document unbound pmf
18928 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18930 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18931 has the EXIT_BLOCK as a dest.
18933 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18935 * flow.c (remove_edge): New function to remove an edge from the
18937 (remove_fake_successors): New function to remove fake successor edges.
18938 (remove_fake_edges): New function to remove all fake edges from the
18940 (add_fake_exit_edges): New function to add fake edges from all blocks
18941 with no successors to the exit block.
18942 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18943 prototypes for new functions.
18945 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18947 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18948 Use Pmode to determine whether to output .dword or .word.
18950 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18952 * tree.c (built_in_filename): New variable.
18953 (BUILT_IN_FILENAME): New macro.
18954 (init_tree_codes): Allocate built_in_filename.
18955 (make_node): Use built_in_filename instead of string constant.
18957 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18959 * configure.in: Add fr30 target.
18960 * configure: Regenerate.
18961 * config/fr30: New directory.
18962 * config/fr30/crti.asm: New file.
18963 * config/fr30/fr30.c: New file.
18964 * config/fr30/crtn.asm: New file.
18965 * config/fr30/fr30.h: New file.
18966 * config/fr30/fr30.md: New file.
18967 * config/fr30/lib1funcs.asm: New file.
18968 * config/fr30/t-fr30: New file.
18969 * config/fr30/xm-fr30.h: New file.
18971 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18973 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18974 BARRIER at the end of the successor, not the BARRIER before
18977 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18979 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18981 * stmt.c (any_pending_cleanups): Don't crash when
18982 current_function->stmt is unset.
18984 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18986 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18987 other initializations that may use it for relative offsets.
18989 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18991 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18992 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18993 * config/i386/sol2dbg.h: Removed.
18994 * config/i386/sol2gas.h: New file, to enable gas work-around.
18995 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18996 Don't use sol2dbg.h.
18997 * configure: Rebuilt.
18999 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19001 * invoke.texi (-fthis-is-variable): Remove documentation.
19003 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19005 * basic-block.h (compute_bb_for_insn): Declare.
19006 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19007 to use; set size of basic_block_for_insn directly.
19008 (find_basic_blocks): Update.
19010 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19012 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19014 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19016 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19017 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19019 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19021 * c-decl.c (c_decode_option): Extend comment.
19023 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19025 * toplev.c (progname): Make 'const char *'
19026 (flag_print_mem): Move out of main.
19027 (version_flag): Move out of main.
19028 (filename): Move out of main.
19029 (debug_args): Remove g prefix from options.
19030 (documented_lang_options): Remove cpplib specific options.
19031 (display_help): Add g prefix to debug options.
19032 (check_lang_option): Delete this function.
19033 (decode_d_option): New function: Decode -d... option.
19034 (decode_f_option): New function: Decode -f... option.
19035 (decode_W_option): New function: Decode -W... option.
19036 (decode_g_option): New function: Decode -g... option.
19037 (independent_decode_option): New function: Decode a language
19038 independent command line option.
19039 (main): Invoke lang_decode_option and then
19040 independent_decode_option on each command line option in
19043 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19045 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19046 * fold-const.c (fold_range_test): Do not try to fold the range
19047 test if the rhs or lhs has side effects.
19049 * basic-block.h (compute_flow_dominators): Declare.
19051 * gcse.c (alloc_code_hoist_mem): New function.
19052 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19053 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19054 (hoist_code, one_code_hoisting_pass): Likewise.
19055 (gcse_main): If optimizing for size, then hoist expressions
19056 computed in multiple dominated basic blocks.
19058 * gcse.c (invalid_nonnull_info): New function.
19059 (delete_null_pointer_checks): Likewise.
19060 * rtl.h (delete_null_pointer_checks): Declare.
19061 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19063 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19064 (merge-blocks_move_successor_nojumps): Likewise.
19065 (merge_blocks): Allow merging of some blocks, even if it requires
19066 physical movement of the blocks, but not if it requires new jumps.
19068 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19069 Callers and prototype changed.
19070 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19072 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19074 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19075 -YP when both -p and -pg are present. From i386/sol2.h.
19077 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19079 * Makefile.in (distclean): Delete tm_p.h.
19080 * configure.in: Create a new file, "tm_p.h", from a list in
19081 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19082 "i386/i386-protos.h".
19084 * alias.c: Include "tm_p.h".
19085 * c-typeck.c: Likewise.
19086 * calls.c: Likewise.
19088 * emit-rtl.c: Likewise.
19089 * explow.c: Likewise.
19090 * expmed.c: Likewise.
19091 * expr.c: Likewise.
19092 * final.c: Likewise.
19093 * flow.c: Likewise.
19094 * fold-const.c: Likewise.
19095 * function.c: Likewise.
19096 * gcse.c: Likewise.
19097 * global.c: Likewise.
19098 * haifa-sched.c: Likewise.
19099 * integrate.c: Likewise.
19100 * jump.c: Likewise.
19101 * local-alloc.c: Likewise.
19102 * loop.c: Likewise.
19103 * optabs.c: Likewise.
19104 * recog.c: Likewise.
19105 * reg-stack.c: Likewise.
19106 * regclass.c: Likewise.
19107 * regmove.c: Likewise.
19108 * reload.c: Likewise.
19109 * reload1.c: Likewise.
19110 * reorg.c: Likewise.
19111 * resource.c: Likewise.
19112 * stmt.c: Likewise.
19113 * stor-layout.c: Likewise.
19114 * toplev.c: Likewise.
19115 * tree.c: Likewise.
19116 * unroll.c: Likewise.
19117 * genattrtab.c (main): Make generated file include "tm_p.h".
19118 * genemit.c (main): Likewise.
19119 * genoutput.c (main): Likewise.
19120 * genrecog.c (main): Likewise.
19122 * i386.h: Delete all prototypes.
19123 * i386.c: Include "tm_p.h".
19124 (ix86_attr_length_default): Call constant_call_address_operand
19125 with correct number of arguments.
19126 * i386-protos.h: New file.
19127 * i386.md (unnamed patterns): Call constant_call_address_operand
19128 with correct number of arguments.
19129 (exception_receiver): Call load_pic_register with correct number
19132 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19134 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19136 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19138 * rtl.h (insns_safe_to_move_p): New function.
19139 * loop.c (find_and_verify_loops): Use it.
19140 * rtlanal.c (insns_safe_to_move_p): Define it.
19142 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19144 * c-pragma.c: Include ggc.h.
19145 * Makefile.in (c-pragma.o): Update.
19147 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19149 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19150 (LIB_SPEC): Likewise.
19151 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19152 Reindent -YP/-p/-pg.
19153 Copied from config/sparc/sol2.h.
19155 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19157 * c-pragma.c (mark_align_stack): New.
19158 (init_pragma): New.
19159 * c-pragma.h (init_pragma): Declare it.
19160 * c-lex.c (init_parse): Call it.
19162 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19164 * configure.in: Pick up thread library on Solaris/x86 just
19165 like on Solaris/sparc.
19166 * configure: Rebuilt.
19168 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19170 * rtl.h (global_rtx_index): New enum.
19171 (global_rtl): Change to array of rtx.
19172 (pc_rtx, cc0_rtx): Redefine accordingly.
19173 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19174 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19175 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19176 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19177 (const_int_rtx): Change to array of rtx.
19178 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19180 * emit-rtl.c (global_rtl): Change to array of rtx.
19181 (const_int_rtx): Change to aray of rtx.
19182 (gen_rtx_CONST_INT): Redefine accordingly.
19183 (init_emit_once): Allocate and initialize global_rtl. Likewise
19184 for const_int_rtx. Add both as GC roots.
19185 * genattrtab.c (global_rtl): Update declaration.
19187 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19189 * Makefile (USER_H): Add iso646.h back.
19191 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19193 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19194 zapping the LOG_LINKS of sched_before_next_call.
19196 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19197 * pa.c (insn_refs_are_delayed): Renamed from
19198 insn_sets_and_refs_are_delayed.
19200 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19202 * functiion.h (struct function): Add x_whole_function_mode_p.
19203 (retrofit_block): Declare.
19204 * function.c (retrofit_block): New function.
19205 (identify_blocks): Add assertions. Allow an incomplete set of
19206 block notes if we're still generating code for the function.
19207 * integrate.c: Include loop.h.
19208 (expand_inline_function): Call find_loop_tree_blocks to map block
19209 notes to blocks when in whole-function mode. Use retrofit_block
19210 to insert new BLOCKs for the inlined function, rather than
19212 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19213 * Makefile.in (integrate.o): Depend on loop.h.
19215 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19217 * tree.h (warn_about_unused_variables): Declare.
19218 * stmt.c (warn_about_unused_variables): New function, split out
19220 (expand_end_bindings): Here.
19222 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19224 * stmt.c (preserve_subexpressions_p): Don't crash when
19225 current_function->stmt is unset.
19227 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19229 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19230 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19231 (expand_start_target_temps): Use it.
19232 * except.c (expand_eh_region_start_for_decl): Likewise.
19233 * expr.c (expand_expr): Likewise.
19235 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19237 * fold-const.c (operand_equal_p): Pay attention to side effects.
19239 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19241 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19242 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19244 * tlink.c (scan_linker_output): Look for keywords before accepting
19245 a mangled name in quotes.
19247 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19249 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19250 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19252 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19254 * alpha.md: Revert Thu Nov 26 change that came in through the
19255 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19256 Avoid earlyclobber when possible.
19258 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19260 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19262 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19263 Define HAVE_ON_EXIT.
19265 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19267 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19268 CTYPE_CONV in all ctype macros.
19270 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19273 * cexp.y (initialize_random_junk): Likewise.
19275 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19277 * i370.c (handle_pragma): Likewise.
19279 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19281 * v850.c (override_options): Likewise.
19283 * doprint.c (_doprnt): Likewise.
19285 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19288 * fixinc/server.c (load_data): Likewise.
19290 * fold-const.c (real_hex_to_f): Likewise.
19292 * genattr.c (write_upcase, gen_attr): Likewise.
19294 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19295 write_upcase): Likewise.
19297 * genemit.c (print_code): Likewise.
19299 * genopinit.c (gen_insn): Likewise.
19301 * genpeep.c (print_code): Likewise.
19303 * genrecog.c (print_code): Likewise.
19305 * optabs.c (init_libfuncs): Likewise.
19307 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19309 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19311 (reemit_notes): Likewise.
19313 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19315 * ggc.h (ggc_root): Move to ggc-common.c.
19317 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19318 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19319 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19320 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19321 * ggc-common.c (ggc_root): Move from ggc.h.
19322 (roots): Declare, static.
19323 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19324 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19325 null or check/set mark bit.
19326 (ggc_mark_roots): New.
19327 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19329 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19331 * m32r.c: Include toplev.h.
19332 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19333 (gen_compare): Rename swap_p to must_swap to match uses.
19334 Add default abort case.
19335 (m32r_output_function_epilogue): Remove unused variables.
19336 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19337 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19338 define to empty parameter list. Update all uses.
19339 (predicate decls): Use enum machine_mode not int.
19340 * m32r.md (movsi): Call abort, not fatal_insn.
19341 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19343 1999-09-14 Andrew Haley <aph@cygnus.com>
19345 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19346 use $0 instead of 0.
19348 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19350 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19351 computation out of loop over hard regs.
19353 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19355 * function.c (identify_blocks): Don't shadow a variable in an
19357 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19358 pushdecl, or poplevel to build up the new BLOCK tree.
19359 (expand_inline_function): Likewise.
19360 (integrate_parm_decls): Likewise.
19362 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19364 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19366 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19368 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19369 * invoke.texi: Document this change.
19371 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19373 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19375 (mark_emit_status): Renamed from mark_emit_state.
19376 * except.c (mark_eh_status): Renamed from mark_eh_state.
19377 Check not null before marking.
19378 (free_eh_status): New.
19379 * expr.c (mark_expr_status, free_expr_status): New.
19380 * function.c (free_machine_status): New.
19381 (free_after_parsing): New.
19382 (free_after_compilation): Move bits to free_after_parsing; call
19383 free_eh_status, free_expr_status; zero the marked members of the
19385 (prepare_function_start): No can_garbage_collect.
19386 Call init_eh_for_function.
19387 (expand_dummy_function_end): Free up current_function state.
19388 (mark_function_status): Renamed from mark_function_state.
19389 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19390 * function.h (struct function): No can_garbage_collect.
19391 (free_machine_status, free_after_parsing): Declare.
19392 (free_eh_status, free_expr_status): Declare.
19393 * ggc.h (mark_expr_status): Declare.
19394 * stmt.c (free_stmt_status): Free the struct.
19395 (mark_stmt_status): Renamed from mark_stmt_state.
19396 (init_stmt): Don't call init_eh.
19397 (init_stmt_for_function): Don't call init_eh_for_function.
19398 * toplev.c (compile_file): Call init_eh.
19399 (rest_of_compilation): Free basic block info before ggc_collect.
19400 Call free_after_parsing; conditionally call free_after_compilation.
19401 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19402 Check not null before marking.
19403 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19405 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19407 * c-lex.c (yylex): Initialize warn.
19409 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19411 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19412 register when performing secondary reloads for the SAR register.
19414 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19416 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19417 (NOTE_BLOCK): New macro.
19418 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19419 * function.h (identify_blocks): Change prototype.
19420 * function.c (identify_blocks): Simplify.
19421 (reorder_blocks): Likewise.
19422 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19423 NOTE_INSN_BLOCK_{BEG,END}.
19424 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19425 the list of saved notes if the note isn't a
19426 NOTE_INSN_BLOCK_{BEG,END}.
19427 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19429 (reemit_notes): Adjust recreation of notes to reflect new saved
19431 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19432 printing a block note.
19433 * stmt.c (block_vector): Remove.
19434 (find_loop_tree_blocks): Simplify.
19435 (unroll_block_trees): Likewise.
19436 * tree.h (reorder_block): Change prototype.
19438 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19440 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19441 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19442 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19443 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19444 (atexit, exit): Simplify.
19445 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19446 * config/lots: Remove defns of HAVE_ATEXIT.
19448 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19450 * calls.c (precompute_arguments): Fix typo in comment.
19451 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19454 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19456 * dsp16xx.c (override_options): Fix typos in GC root registration.
19458 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19460 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19461 from config/svr4.h.
19462 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19463 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19464 (CC1_SPEC): Likewise.
19466 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19468 * genattr.c (main): Add extern prototype. Call return, not exit.
19469 * genattrtab.c (main): Likewise.
19470 * gencheck.c (main): Likewise.
19471 * gencodes.c (main): Likewise.
19472 * genconfig.c (main): Likewise.
19473 * genemit.c (main): Likewise.
19474 * genextract.c (main): Likewise.
19475 * genflags.c (main): Likewise.
19476 * gengenrtl.c (main): Likewise.
19477 * genopinit.c (main): Likewise.
19478 * genoutput.c (main): Likewise.
19479 * genpeep.c (main): Likewise.
19480 * genrecog.c (main): Likewise.
19482 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19483 * genattrtab.c (get_insn_name): Likewise.
19484 * gencodes.c (get_insn_name): Likewise.
19485 * genconfig.c (get_insn_name): Likewise.
19486 * genemit.c (get_insn_name): Likewise.
19487 * genextract.c (get_insn_name): Likewise.
19488 * genflags.c (get_insn_name): Likewise.
19489 * genopinit.c (get_insn_name): Likewise.
19490 * genpeep.c (get_insn_name): Likewise.
19492 * gencheck.c (usage): Add static prototype.
19493 * genextract.c (print_path): Constify a char*.
19494 * genopinit.c (optabs): Likewise.
19495 * genoutput.c (operand_data, data, output_predicate_decls,
19496 compare_operands): Likewise.
19497 * genrecog.c (write_tree): Add default case in switch.
19499 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19501 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19503 * print-rtl.c (get_insn_name): Remove prototype.
19505 * toplev.h (progname): Declare const.
19507 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19508 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19509 dump_sched_info, dump_local_alloc, regset_release_memory,
19510 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19511 error_with_file_and_line, error_with_decl, error_for_asm, error,
19512 fatal, warning_with_file_and_line, warning_with_decl, warning,
19513 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19514 Remove redundant prototypes.
19516 (notice, check_lang_option, report_file_and_line, vnotice,
19517 mark_file_stack): Add static prototype.
19518 (set_fatal_function): Add prototype.
19519 (vnotice, report_file_and_line, set_fatal_function,
19520 check_lang_option): Constify a char*.
19521 (main): Prototype. Call return, not exit.
19523 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19525 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19527 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19529 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19531 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19533 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19535 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19536 behave as if it's zero in all cases.
19537 (expand_function_start): Adjust call to assign_parms.
19538 * tree.h (assign_parms): Adjust prototype.
19539 * objc/objc-act.c (hack_method_prototype): Adjust call to
19542 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19544 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19545 arg_pointer_rtx fixed if the argument pointer register is
19547 (NONZERO_BASE_PLUS_P): Likewise.
19549 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19551 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19552 match_insn2 to match_insn.
19553 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19555 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19557 * Makefile.in (USER_H): Remove va-foo.h.
19559 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19560 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19561 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19562 va-spur.h,va-v850.h}: Remove.
19564 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19566 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19567 (in_return_delay): Use it instead of match_insn.
19569 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19571 * config/alpha/va_list.h (va-alpha.h): Do not include.
19572 (__gnuc_va_list): Typedef as in varargs.h.
19574 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19576 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19577 DECL_LIVE_RANGE_RTL.
19579 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19581 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19582 not NOTE_BLOCK_NUMBER.
19583 (expand_eh_region_end): Likewise.
19584 (find_exception_handler_labels): Likewise.
19585 (scan_region): Likewise.
19586 (exception_optimize): Likewise.
19587 (update_rethrow_references): Likewise.
19588 (set_insn_eh_region): Likewise.
19589 * final.c (final_scan_insn): Likewise.
19590 * flow.c (make_edges): Likewise.
19591 * integrate.c (expand_inline_function): Likewise.
19592 * print-rtl.c (print_rtx): Likewise.
19594 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19596 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19597 terms of builtin functions and types.
19599 * mips.c (mips_build_va_list): New.
19600 (mips_va_start, mips_va_arg): New.
19601 * mips.h (BUILD_VA_LIST_TYPE): New.
19602 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19604 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19605 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19606 * sh.h (BUILD_VA_LIST_TYPE): New.
19607 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19609 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19611 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19612 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19613 (struct insn_data): Likewise with n_operands, n_dups,
19614 n_alternatives, output_format.
19615 * regclass.c (scan_one_insn): Cast n_operands to int before
19616 arithmetic inside comparison.
19618 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19620 * toplev.c (compile_function): Unconditionally emit nop.
19622 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19624 * haifa-sched.c (actual_hazard): Move declaration of variable
19625 `this_cost' into the scope where it is used.
19627 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19629 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19630 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19631 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19633 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19635 * jump.c (find_insert_position): Don't declare or define unless
19636 !HAVE_conditional_arithmetic.
19637 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19639 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19641 * recog.c (offsettable_address_p): Prototype function pointer.
19642 (preprocess_constraints): Call memset, not bzero.
19644 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19645 (gcc_obstack_init): Don't declare.
19646 (fix_sizetype): Add static prototype.
19647 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19648 (tree_cons): Call memset, not bzero.
19650 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19651 definition in macro ASM_WEAKEN_LABEL.
19652 (mark_const_hash_entry): Add static prototype.
19654 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19656 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19658 * unroll.c (find_common_reg_term, subtract_reg_term,
19659 loop_find_equiv_value): Add static prototypes.
19660 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19661 (copy_loop_body): Remove unreachable break statement.
19663 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19665 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19667 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19669 Undo some changes from the gcc2 merge:
19670 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19671 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19675 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19676 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19677 initialized float-int union if the value is a NaN.
19679 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19681 * gthr-win32.h: New file.
19683 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19684 shared as a valid attribute.
19685 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19686 * extend.texi: Document `shared' variable attribute.
19688 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19690 * configure.in: Handle --enable-threads on FreeBSD.
19691 * configure: Rebuit.
19693 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19695 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19697 * configure: Rebuilt.
19699 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19700 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19701 Rosimildo DaSilva <rdasilva@connecttel.com>
19703 * configure.in (m68k-*-rtemscoff*): Added.
19704 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19705 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19706 sparc-rtems configuration.
19707 * configure.in (sparc-*-rtemself*): Added.
19708 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19709 * config/i386/rtems.h: Added comment.
19710 * config/sparc/rtemself.h: New file.
19712 * configure.in (m68k-rtemself): Added.
19713 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19714 and DWARF_DEBUGGING_INFO.
19715 * config/m68k/crti.s: New file.
19716 * config/m68k/crtn.s: New file.
19717 * config/m68k/t-crtstuff: New file.
19718 * config/m68k/rtemself.h: New file.
19720 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19721 global ctor/dtor and C++ exception handling.
19722 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19723 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19725 * config/i386/t-rtems-i386: New File.
19727 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19729 * stmt.c (expand_end_case): Return right away if the case stack is
19732 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19734 * Makefile.in (version.c): Remove rule incorrectly brought in from
19737 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19739 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19740 * msdos/top.sed: Take into account a prepended $(SHELL) to
19742 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19744 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19746 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19748 * regmove.c (fixup_match_1): Don't change an unchanging register.
19749 (stable_but_for_p): Renamed to:
19750 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19751 Changed all callers.
19753 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19755 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19756 insn from BL2 is after the insn from BL.
19758 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19760 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19761 (struct insn_data): Merge `template' and `outfun' into `output'.
19762 Add `output_format'.
19763 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19764 (struct data): Remove `outfun'; add `output_format'.
19765 (name_for_index): Remove declaration.
19766 (output_insn_data): Handle output formats.
19767 (process_template): Emit the bare array for @.
19768 (gen_expand, gen_split): Set output_format to NONE.
19769 * output.h (get_insn_template): Declare.
19770 * final.c (get_insn_template): New.
19771 (final_scan_insn): Use it.
19772 * toplev.c (compile_file): Likewise.
19774 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19775 * i860/i860.c (output_delayed_branch): Likewise.
19776 (output_delay_insn): Likewise.
19778 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19780 * rtl.c (obstack_alloc_rtx): Removed.
19782 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19784 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19786 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19788 * i386.c (call_insn_operand): Reject const_int.
19789 (expander_call_insn_operand): Use call_insn_operand.
19791 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19793 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19795 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19797 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19798 Use DImode operation.
19800 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19802 * gcc.c: Include sys/resource.h.
19803 (report_times): New flag.
19804 (execute): If report_times is set, calculate and report the
19805 CPU time consumed by each subprocess.
19807 (rus, prus): New globals.
19808 (option_map): Add --time.
19809 (display_help): Document -time.
19810 (process_command): Set report_times if -time is given.
19811 Turn off -pipe if -time is given.
19813 * invoke.texi: Document new option -time.
19815 * configure.in: Check for getrusage. Check if we have to
19816 prototype getrusage.
19817 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19818 * configure: Regenerate.
19819 * config.in: Regenerate.
19821 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19823 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19826 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19828 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19829 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19830 (nan): Return _thenan_sf or _thenan_df as appropriate.
19831 (L_thenan_sf): Define _thenan_sf.
19832 (L_thenan_df): Define _thenan_df.
19834 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19835 (DPBIT_FUNCS): Add _thenan_df.
19837 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19839 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19842 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19844 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19847 (lang_specific_driver): Don't take a function pointer parameter.
19848 All callers changed.
19850 * gcc.c: Include gcc.h.
19851 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19852 lang_specific_extra_outfiles, fatal): Don't declare.
19853 (multilib_defaults_raw): Constify.
19854 (read_specs): Call memset, rather than bzero.
19855 (main): Call return, not exit.
19856 (lookup_compiler): Call memcpy, not bcopy.
19857 (fatal): Make extern.
19859 * cppspec.c: Include gcc.h.
19860 (lang_specific_driver): Initialize variable `quote'. Constify a
19861 char*. All calls to the function pointer parameter now
19862 explicitly call `fatal'.
19864 * gccspec.c (lang_specific_driver): Include gcc.h.
19866 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19868 * arm.c (note_invalid_constants): Use recog_data.operand_type
19871 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19873 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19876 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19877 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19878 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19879 reload_secondary_in_reload, reload_secondary_out_reload,
19880 reload_secondary_in_icode, reload_secondary_out_icode,
19881 reload_reg_rtx, reload_when_needed): Delete declarations.
19882 (struct reload): New structure.
19883 (rld): Declare new array.
19884 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19885 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19886 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19887 reload_secondary_in_reload, reload_secondary_out_reload,
19888 reload_secondary_in_icode, reload_secondary_out_icode,
19889 reload_reg_rtx, reload_when_needed): Delete definitions.
19891 (whole file): Replace uses of the deleted arrays with uses of rld.
19892 * reload1.c (whole file): Replace uses of the deleted arrays with
19894 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19895 explicit loops, not with bcopy.
19897 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19899 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19900 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19901 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19902 insn_name): Delete and consolidate into new structures.
19903 (insn_operand_predicate_fn): New.
19904 (insn_output_fn): New.
19905 (insn_gen_fn): New.
19906 (struct insn_operand_data): New.
19907 (struct insn_data): New.
19909 (OUT_FCN): Update for insn_data change.
19910 * builtins.c (expand_builtin_strlen): Likewise.
19911 (expand_builtin_memcmp): Likewise.
19912 * combine.c (make_extraction, simplify_comparison): Likewise.
19913 * cse.c (canon_reg, cse_insn): Likewise.
19914 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19915 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19916 (emit_store_flag): Likewise.
19917 * expr.c (convert_move, emit_block_move): Likewise.
19918 (clear_storage, emit_push_insn, expand_increment): Likewise.
19919 (do_store_flag): Likewise.
19920 * expr.h (GEN_FCN): Likewise.
19921 (insn_gen_function): Die.
19922 * final.c (final_scan_insn): Update for insn_data change.
19923 (output_asm_name): Likewise.
19924 * function.c (fixup_var_refs_1): Likewise.
19925 * loop.c (check_dbra_loop): Likewise.
19926 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19927 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19928 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19929 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19930 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19931 * regmove.c (gen_add3_insn): Likewise.
19932 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19933 (find_reloads, find_reloads_address_1): Likewise.
19934 (debug_reload_to_stream): Likewise.
19935 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19936 * stmt.c (expand_end_case): Likewise.
19937 * toplev.c (compile_file): Likewise.
19939 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19940 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19942 * print-rtl.c (insn_name_ptr): Remove declaration.
19943 (get_insn_name): Declare.
19944 (print_rtx): Use it.
19945 * genoutput.c (insn_name_ptr): Remove.
19946 (next_operand_number): New.
19947 (struct operand_data): New.
19948 (null_operand, odata, odata_end): New.
19949 (struct data): Use struct operand_data.
19950 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19951 (get_insn_name): Renamed from name_for_index.
19952 (output_prologue): Define NO_MD_PROTOTYPES.
19953 (output_predicate_decls): Break out from output_epilogue.
19954 Iterate over the operands list.
19955 (output_operand_data): Break out from output_epilogue. Emit
19956 just the operands list.
19957 (output_insn_data): Break out from output_epilogue. Emit just
19959 (output_epilogue): Remove.
19960 (output_get_insn_name): New.
19961 (constraints, op_n_alternatives, predicates, address_p): Die.
19962 (modes, strict_low, seen): Die.
19963 (scan_operands): Take new param `d' instead of writing to
19964 seven global variables.
19965 (compare_operands): New.
19966 (place_operands): New.
19967 (validate_insn_alternatives): Update for struct data change.
19968 (gen_insn): Don't zero or copy 7 global arrays. Update for
19969 scan_operands; call place_operands.
19970 (gen_peephole, gen_expand, gen_split): Likewise.
19971 (main): Update for new output routines.
19973 * genattr.c (insn_name_ptr): Remove.
19974 (get_insn_name): New function.
19975 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19976 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19977 * genrecog.c: Likewise.
19979 * alpha.md (adddi3): Make `pattern' array static.
19981 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19983 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19984 c4x_cpu_version_string): Constify char *.
19985 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19986 c4x_cpu_version_string): Likewise.
19988 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19990 * tree.c (save_tree_status): Revert 10 Sep change.
19991 (restore_tree_status): Likewise. Call obstack_free with NULL
19992 before freeing the obstack proper.
19994 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19996 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19998 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19999 surrounding context.
20001 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20003 * tree.c (type_hash_canon): Put all types in the hash-table, when
20006 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20008 * recog.h (struct recog_data, recog_data): New.
20009 (recog_foo variables): Kill.
20010 * recog.c (recog_operand, recog_operand_loc): Kill.
20011 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20012 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20013 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20014 (recog_data): Define.
20015 (extract_insn): Update all recog_foo references to use recog_data.
20016 (preprocess_constraints, constrain_operands): Likewise.
20017 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20018 * genattrtab.c (main): Likewise.
20019 * genextract.c (main): Likewise.
20020 * genoutput.c: Likewise.
20021 * genrecog.c (write_subroutine, main): Likewise.
20022 * local-alloc.c (block_alloc): Likewise.
20023 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20024 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20025 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20026 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20027 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20028 (reload_cse_simplify_operands): Likewise.
20030 * arc/arc.c (arc_final_prescan_insn): Likewise.
20031 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20032 * h8300/h8300.c (notice_update_cc): Likewise.
20033 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20034 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20035 * mn10200/mn10200.c (notice_update_cc): Likewise.
20036 * mn10300/mn10300.c (notice_update_cc): Likewise.
20037 * romp/romp.c (update_cc): Likewise.
20038 * sparc/sparc.c (check_pic): Likewise.
20039 * v850/v850.c (notice_update_cc): Likewise.
20041 * genemit.c (main): Don't declare recog_operand.
20043 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20045 * ggc.h (rtvec_def): Forward declare.
20046 (tree_node): Likewise.
20047 (ggc_root): Define.
20049 (ggc_set_mark_rtx): Add prototype.
20050 (ggc_set_mark_rtvec): Likewise.
20051 (ggc_set_mark_tree): Likewise.
20052 * ggc-simple.c (ggc_root): Don't define.
20053 (roots): Don't declare.
20054 (ggc_mark_rtx): Remove.
20055 (ggc_mark_rtvec): Likewise.
20056 (ggc_mark_tree): Likewise.
20057 (ggc_mark_varray): Likewise.
20058 (ggc_mark_tree_hash_table_entry): Likewise.
20059 (ggc_mark_tree_hash_table): Likewise.
20060 (ggc_set_mart_rtx): New function.
20061 (ggc_set_mark_rtvec): Likewise.
20062 (ggc_set_mark_tree): Likewise.
20063 (ggc_add_root): Remove.
20064 (ggc_add_rtx_root): Likewise.
20065 (ggc_remove_tree_root): Likewise.
20066 (ggc_add_string_root): Likewise.
20067 (ggc_add_tree_varray_root): Likewise.
20068 (ggc_add_tree_hash_table_root): Likewise.
20069 (ggc_del_root): Likewise.
20070 (ggc_mark_rtx_ptr): Likewise.
20071 (ggc_mark_tree_ptr): Likewise.
20072 (ggc_mark_string_ptr): Likewise.
20073 (ggc_mark_tree_varray_ptr): Likewise.
20074 (ggc_mark_tree_hash_table_ptr): Likewise.
20075 * ggc-common.c: New file.
20076 * Makefile.in (OBJS): Add ggc-common.o.
20077 (ggc-common.o): List dependencies.
20079 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20081 * cppalloc.c (xstrdup): Use memcpy.
20082 * cpperror.c (cpp_print_containing_files): Don't use
20084 * cpplib.c (conditional_skip): Set temp->lineno.
20085 (do_endif): Make error message less obscure.
20086 (if_directive_name): New function.
20087 (cpp_get_token [case EOF]): Unwind the if stack and generate
20088 error messages for each unterminated conditional in this file.
20089 (parse_string): Do not behave differently if -traditional.
20091 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20093 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20094 va_list decomposing to pointer-type.
20095 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20096 (rs6000_va_arg): Likewise.
20098 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20100 * except.c (start_dynamic_handler): Compute size using
20101 STACK_SAVEAREA_MODE.
20103 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20105 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20106 include directory headers. Don't define strrchr. Don't provide
20107 my_* replacement functions. Prefer PTR over `pointer_type'.
20108 Don't prototype system functions. Don't redefine getopt.
20110 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20111 safe_read, safe_write, save_pointers, restore_pointers,
20112 is_id_char, in_system_include_dir, directory_specified_p,
20113 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20114 find_corresponding_lparen, referenced_file_is_newer,
20115 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20116 process_aux_info_file, identify_lineno, check_source,
20117 seek_to_line, forward_to_next_token_char, output_bytes,
20118 output_string, output_up_to, other_variable_style_function,
20119 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20120 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20121 find_static_definition, connect_defs_and_decs, add_local_decl,
20122 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20123 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20124 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20125 scan_for_missed_items, edit_file, string_list_cons): Add static
20127 (standard_exec_prefix, target_machine, target_version,
20128 default_syscalls_dir, string_list, string_list_cons, find_file,
20129 do_cleaning): Constify a char*.
20130 (safe_read, safe_write): Use PTR, not a char*.
20131 (is_id_char): Take an int, not a char.
20132 (main): Add prototype. Call return, not exit.
20134 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20136 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20137 when comparing types.
20139 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20141 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20142 (strength_reduce): Release the varrays from the no-bivs early exit.
20144 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20145 the loop over the registers.
20147 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20149 (restore_tree_status): Check that instead when freeing the obstack.
20151 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20153 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20156 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20158 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20159 operand size modifiers.
20161 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20163 * c-common.c (c_common_nodes_and_builtins): Don't build
20165 * c-common.h (enum c_tree_index and related accesor macros): Remove
20166 everything now declared in tree.h.
20167 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20168 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20169 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20170 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20171 unsigned_type_node, ptr_type_node, va_list_type_node,
20172 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20173 (init_decl_processing): Call build_common_tree_nodes and
20174 build_common_tree_nodes_2 instead of building their nodes here.
20175 Don't add roots for these nodes.
20176 * stor-layout.c (size_zero_node, size_one_node): Delete.
20177 (set_sizetype): Make a new node for bitsizetype each time.
20178 * tree.c (global_trees): New variable.
20179 (init_obstacks): Add a gc root for it.
20180 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20181 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20182 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20183 (build_common_tree_nodes): New function.
20184 (fix_sizetype): New function.
20185 (build_common_tree_nodes_2): New function.
20186 * tree.h (enum tree_index): New.
20187 (global_trees): Declare.
20188 Add accessor macros for all nodes now moved to global_trees.
20189 Delete their declarations.
20191 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20193 * c-decl.c (finish_function): When processing a nested function,
20194 push and pop GC context around rest_of_compilation.
20196 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20198 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20199 Default ix86_arch to PROCESSOR_I386.
20200 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20201 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20202 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20203 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20204 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20205 (EXTRA_SPECS): Remove deleted specs.
20207 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20209 * function.c (assign_stack_local_1): Allocate from
20210 function->x_frame_offset, not frame_offset.
20212 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20214 * ggc.h (lang_cleanup_tree): Remove.
20215 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20216 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20218 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20219 TYPE_LANG_SPECIFIC when garbage collecting.
20220 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20221 (lang_cleanup_tree): Remove.
20223 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20225 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20226 * crtstuff.c: Not here.
20227 * dwarf2out.c: Or here.
20228 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20231 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20233 * function.h (free_after_compilation): Remove decl parameter.
20234 (free_varasm_status0: Likewise.
20235 (free_emit_status): Likewise.
20236 (free_stmt_status): Likewise.
20237 (free_after_compilation): Likewise.
20238 (init_lang_status): New variable.
20239 (free_lang_status): Likewise.
20240 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20241 * function.c (init_lang_status): New variable.
20242 (free_lang_status): Likewise.
20243 (push_function_context_to): Don't set function::decl here.
20244 (free_after_copmilation): Make decl parameter implicit. Call
20245 free_lang_status if defined.
20246 (prepare_function_start): Call init_lang_status if defined.
20247 (init_function_start): Set function::decl here.
20248 * profile.c (output_func_start_profiler): Don't call pushdecl
20249 until we've actually started the function.
20250 * stmt.c (free_stmt_status): Make decl parameter implicit.
20251 * toplev.c (rest_of_compilation): Don't pass decl to
20252 free_after_compilation.
20253 * varasm.c (free_varasm_status): Likewise.
20255 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20257 * except.c (call_get_eh_context): Add root when allocating static
20260 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20262 * arm.c: Include "ggc.h".
20263 (arm_add_gc_roots): New function.
20264 (arm_override_options): Call it.
20265 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20267 * arm.md (define_asm_attributes): Add a pool_range attribute.
20269 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20271 * extend.texi (Volatiles): New node.
20273 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20275 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20276 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20277 (struct ggc_any): Replace `mark' with `magic_mark'.
20278 (ggc_alloc_string): Use memcpy, not bcopy.
20279 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20280 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20281 (ggc_free_any): New.
20282 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20283 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20284 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20285 Use IS_MARKED. Use ggc_free_any.
20287 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20289 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20291 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20293 * toplev.c (main): Always init_ggc.
20295 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20297 * except.c (find_all_handler_type_matches): Free the list if
20298 we found no matches.
20300 * combine.c (SUBST): Break out to a real function do_SUBST.
20301 (SUBST_INT): Likewise.
20302 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20303 (pre_insert): Free `inserted'.
20304 * loop.c (basic_induction_var): Always set `location'.
20306 * function.c (expand_function_end): Add initial_trampoline as a root.
20307 * rtl.h (init_varasm_once): Declare.
20308 * toplev.c (compile_file): Call it.
20309 * ggc-simple.c (ggc_mark_string_ptr): New.
20310 (ggc_add_string_root): New.
20311 (ggc_collect): Disable collection avoidance temporarily.
20312 * ggc.h (ggc_add_string_root): Declare.
20313 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20314 * optabs.c (init_libfuncs): Likewise.
20315 * varasm.c (named_section): Use ggc_alloc_string.
20316 (make_function_rtl): Likewise.
20317 (make_decl_rtl): Likewise.
20318 (assemble_static_space): Likewise.
20319 (assemble_trampoline_template): Likewise.
20320 (output_constant_def): Likewise.
20321 (force_const_mem): Likewise.
20322 (mark_const_hash_entry): New.
20323 (mark_pool_sym_hash_table): New.
20324 (mark_varasm_state): Use it.
20325 (init_varasm_once): New.
20327 * expr.h (init_one_libfunc): Declare.
20328 * optabs.c (init_one_libfunc): New.
20329 (init_optabs): Use it.
20330 * config/gofast.h: Likewise.
20331 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20332 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20334 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20336 * Makefile.in (cppexp.o): Depend on cpphash.h.
20337 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20339 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20340 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20341 redefining poisoned identifiers, etc.
20342 (do_undef): Don't allow poisoned identifiers to be undefined.
20343 (do_pragma): Add #pragma poison.
20344 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20346 * cccp.c: Add T_POISON node type.
20347 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20349 (do_define): Generalise to handle poisoned definitions,
20350 redefining poisoned identifiers, etc.
20351 (do_undef): Don't allow poisoned identifiers to be undefined.
20352 (do_pragma): Add #pragma poison.
20353 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20355 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20356 * c-pragma.h: Add ps_poison state. We now always have generic
20359 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20361 * ggc.h (ggc_alloc): New function.
20362 (ggc_mark): Likewise.
20363 * ggc-simple.c (ggc_any): New structure.
20364 (ggc_status): Add anys.
20365 (n_anys_collected): New variable.
20366 (ggc_alloc): Define.
20367 (ggc_mark): Likewise.
20368 (ggc_collect): Collect the anys.
20370 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20372 * c-decl.c (mark_binding_level): Make static to match prototype.
20374 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20376 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20378 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20380 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20381 will use into account. Expand the max width to 5.
20384 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20386 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20387 for the rtx length.
20389 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20391 * alpha.md (call value patterns): Remove the result predicates.
20393 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20395 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20398 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20400 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20401 changed from extern char *, to extern PTR. Also fix typo in
20402 NEED_DECLARATION_REALLOC test.
20404 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20406 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20408 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20409 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20410 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20411 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20413 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20415 * cccp.c (pcfinclude): Likewise.
20417 * global.c (allocno_compare): Likewise.
20419 * haifa-sched.c (rank_for_schedule): Likewise.
20421 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20423 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20425 * stupid.c (stupid_reg_compare): Likewise.
20427 * tree.c (_obstack_allocated_p): Likewise.
20429 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20431 1999-09-08 Bruce Korb autogen@linuxbox.com
20433 * Makefile.in: Give the hapless gperf user a hint about
20434 why "gperf -F" fails.
20436 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20438 * lists.c: Include ggc.h.
20440 (init_EXPR_INSN_LIST_cache): Install it.
20442 * ggc-simple.c (init_ggc): Absorb the old init.
20443 (ggc_push_context): Use xcalloc.
20444 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20445 (ggc_collect): Add [rvts] tags to the collection stats.
20447 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20449 * cccp.c (main): Fix handling of -include and -imacros options.
20451 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20453 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20455 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20457 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20460 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20462 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20463 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20464 and SET_DEST. Update comment.
20466 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20468 * config/c4x/c4x.c: Include ggc.h.
20469 (c4x_add_gc_roots): New function.
20470 (c4x_override_options): Call c4x_add_gc_roots.
20472 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20474 * defaults.h (TARGET_ESC): Move ...
20475 * system.h: ... here, where Linas had it in the first place. Silly me.
20477 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20479 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20480 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20481 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20482 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20483 * defaults.h (TARGET_ESC): Add default.
20485 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20487 * configure.in: add i370-*-openedition, i370-*-mvs and
20488 i370-*-linux targets
20490 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20492 * dsp16xxx.c: Include ggc.h
20493 (override_options): Mark GC roots.
20494 * mn10200.c: Include ggc.h.
20495 (asm_file_start): Mark GC roots.
20496 * tahoe.c: Include ggc.h.
20497 (extensible_operand): Mark GC roots.
20499 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20501 * README: Add section discussing status of ELF ABI.
20502 * i370.c: Fix misc spelling mistakes.
20503 (i370_label_scan): Updated notes, exception handling.
20504 (i370_function_prolog): Simplify ELF stack handling.
20505 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20506 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20507 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20508 * i370.md: (movdi): Add notes.
20509 (floatsidf2): Use stack not rtca for scratch float area.
20510 (iorsi3): Correct operand constraints.
20511 * x-oe: Restore TAROUTOPTS which are used by pax.
20513 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20515 * rs6000.c: Include ggc.h.
20516 (rs6000_add_gc_roots): New function.
20517 (override_options): Call it.
20519 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20521 * alpha.h (alpha_compare): New.
20522 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20523 * alpha.c: Likewise for the definitions.
20524 (alpha_emit_conditional_branch): Update for alpha_compare.
20525 (alpha_emit_conditional_move): Likewise.
20526 * alpha.md (cmpdf, cmpdi): Likewise.
20527 (setcc patterns): Likewise. Zero alpha_compare after use.
20528 (sne): Optimize (x != 0) into (0U < x).
20530 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20532 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20533 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20534 (INIT_EXPANDERS): Remove.
20535 * alpha.c: Include ggc.h.
20536 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20537 (alpha_init_machine_status, alpha_mark_machine_status): New.
20538 (override_options): Install them.
20539 (struct machine_function): Moved to alpha.h.
20540 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20541 (alpha_init_expanders): Remove.
20542 (alpha_return_addr): Adjust to use current_function->machine.
20543 (alpha_ra_ever_killed): Likewise.
20544 (alpha_expand_epilogue): Likewise.
20545 * alpha.md (eh_epilogue): Likewise.
20547 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20548 Melissa O'Neill <oneill@cs.sfu.ca>
20549 Geoffrey Keating <geoffk@cygnus.com>
20551 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20552 call-used registers (call-saved registers must still be contiguous
20553 and end with r31, of course).
20555 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20557 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20558 (self_promoting_type_p): Delete.
20559 (self_promoting_args_p): Move ...
20560 * c-common.c: ... here.
20561 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20562 (simple_type_promotes_to): New.
20563 * builtins.c (lang_type_promotes_to): New.
20564 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20565 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20566 * c-common.h: ... here.
20567 (self_promoting_args_p, simple_type_promotes_to): Declare.
20568 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20569 (grokdeclarator): Likewise.
20570 * tree.h (lang_type_promotes_to): Declare.
20572 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20574 Add some machine-dependent GC roots.
20575 * sparc.c: Include ggc.h.
20576 (sparc_add_gc_roots): New function.
20577 (mark_ultrasparc_pipeline_state): Likewise.
20578 (override_options): Call sparc_add_gc_roots.
20579 * pa.c: Include ggc.h.
20580 (pa_add_gc_roots): New function.
20581 (mark_deferred_plabels): Likewise.
20582 (override_options): Call pa_add_gc_roots.
20583 * mips.c: Include ggc.h.
20584 (mips_add_gc_roots): New function.
20585 (override_options): Use it.
20587 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20589 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20591 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20592 cpp_parse_expr): Add static prototypes.
20593 (parse_charconst): Don't cast away const-ness.
20594 (token): Constify a char*.
20596 * cppfiles.c (file_name_list, include_hash, find_include_file,
20597 finclude, initialize_input_buffer): Constify a char*.
20598 (file_cleanup, find_position): Add static prototypes.
20600 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20601 collect_expansion): Add static prototypes.
20602 (cpp_install, create_definition, monthnames): Constify a char*.
20604 * cpphash.h (cpp_install): Likewise.
20606 * cppinit.c (known_suffixes, default_include,
20607 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20608 (base_name, dump_special_to_buffer, initialize_dependency_output):
20609 Add static prototypes.
20611 * cpplib.c (my_strerror): Constify a char*.
20612 (null_underflow, null_cleanup, skip_comment, copy_comment,
20613 copy_rest_of_line, handle_directive, pass_thru_directive,
20614 get_directive_token, read_line_number, cpp_print_file_and_line,
20615 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20616 v_cpp_warning_with_line, detect_if_not_defined,
20617 consider_directive_while_skipping): Add static prototypes.
20618 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20619 cpp_pedwarn_with_file_and_line): Constify a char*.
20621 * cpplib.h (cpp_options, include_hash, progname, definition,
20622 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20623 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20624 find_include_file, deps_output, include_hash): Constify a char*.
20626 * cppmain.c (progname): Constify.
20627 (main): Add prototype. Use return, not exit.
20629 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20630 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20631 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20632 check_protection): Add static prototype.
20634 (progname, recognized_macrom, recognized_extern): Constify a char*.
20635 (main): Add prototype.
20637 * gen-protos.c (progname): Constify a char*.
20639 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20641 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20642 (init_emit_once): Add more GC roots.
20643 * except.c (mark_func_eh_entry): New function.
20644 (mark_eh_node): Mark false_label and rethrow_label.
20645 (init_eh): Add more GC roots.
20646 * function.c (free_after_compilation): Take decl as a paramter.
20647 Call free_stmt_status.
20648 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20650 * function.h (free_after_compilation): Change prototype.
20651 (free_varasm_status): Likewise.
20652 (free_emit_status): Likewise.
20653 (free_stmt_status): New function.
20654 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20655 Remove, replacing with ...
20656 (ggc_status): New structure.
20657 (ggc_chain): New variable.
20658 (init_gcc): Define.
20659 (ggc_push_context): New function.
20660 (ggc_pop_context): Likewise.
20661 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20662 (ggc_alloc_rtvec): Likewise.
20663 (ggc_alloc_tree): Likewise.
20664 (ggc_alloc_string): Likewise.
20665 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20666 (ggc_mark_tree): Give language-dependent code a chance to mark
20668 (ggc_mark_tree_varray): Handle empty arrays.
20669 (ggc_collect): Adjust for use of ggc_chain. Clear
20670 bytes_alloced_since_last_gc.
20671 * ggc.h (ggc_pop_context): New function.
20672 (ggc_push_context): Likewise.
20673 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20674 * stmt.c (free_stmt_status): New function.
20675 (init_stmt_for_function): Clear last_expr_value.
20676 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20677 Conditionalize call to ggc_collect.
20678 (main): Call init_ggc.
20679 * tree.c (push_obstacks): Do the push, even when GC'ing.
20680 (push_obstacks_nochange): Likewise.
20681 (pop_obstacks): Liekwise.
20682 * varasm.c (free_varasm_status): Take decl as a parameter.
20684 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20686 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20687 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20688 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20689 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20691 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20693 * pa/x-pa-mpeix: New file for the MPE port.
20695 * pa/quadlib.asm: New file for long double support.
20697 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20698 * configure: Rebuilt.
20700 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20702 * final.c (shorten_branches): Fix last change.
20704 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20706 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20708 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20710 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20713 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20715 * c-aux-info.c (concat): Don't define.
20717 * cccp.c (my_strerror): Likewise. All callers changed to use
20719 (do_include): Call xstrdup, not xmalloc/strcpy.
20720 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20721 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20723 * collect2.c (my_strsignal): Likewise. All callers changed to use
20725 (locatelib): Call xstrdup, not xmalloc/strcpy.
20727 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20729 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20731 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20733 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20735 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20737 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20739 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20741 (find_all_handler_type_matches): Likewise. Don't check return
20743 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20744 xmalloc, not malloc.
20745 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20747 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20748 (init_spec): Call xcalloc, not xmalloc/bzero.
20749 (set_spec): Call xstrdup, not save_string.
20750 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20751 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20752 (process_command): Call xstrdup, not save_string.
20753 (main): Call xcalloc, not xmalloc/bzero.
20755 * gcov.c (xmalloc): Don't define.
20756 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20757 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20758 (output_data): Call xcalloc, not xmalloc/bzero.
20760 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20762 * mips-tdump.c (xmalloc): Don't define.
20763 (print_symbol): Call xmalloc, not malloc.
20764 (read_tfile): Call xcalloc, not calloc.
20766 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20767 Don't define. All callers of xfree/my_strsignal changed to use
20768 free/strsignal instead.
20769 (allocate_cluster): Call xcalloc, not calloc.
20771 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20772 Fix memory leak, free allocated memory.
20774 * prefix.c (translate_name): Call xstrdup, not save_string.
20775 (update_path): Likewise.
20777 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20779 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20780 Don't define. Callers of xfree/savestring2 changed to use
20781 free/concat instead.
20783 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20784 (init_elim_table): Likewise.
20786 * resource.c (init_resource_info): Likewise.
20788 * stupid.c (stupid_life_analysis): Likewise.
20790 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20791 (open_dump_file): Call concat, not xmalloc/strcpy/...
20792 (clean_dump_file): Likewise.
20793 (compile_file): Call xstrdup, not xmalloc/strcpy.
20795 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20797 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20798 * v850.c (v850_va_arg): New.
20800 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20802 * haifa-sched.c: Tidy comments.
20804 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20806 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20807 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20808 $(out_object_file)): Depend on ggc.h.
20809 * c-common.c: Include "ggc.h".
20810 (combine_strings): If doing GC, use ggc_alloc_string.
20811 * c-decl.c: Include "ggc.h".
20812 (ggc_p): Define with value 0.
20813 (mark_binding_level): New function.
20814 (init_decl_processing): Add GC roots.
20815 (mark_c_function_context): New function.
20816 (lang_mark_false_label_stack): New function.
20817 (lang_mark_tree): New function.
20818 (lang_cleanup_tree): New function.
20819 * c-lang.c: Include "ggc.h".
20820 (lang_init): Call c_parse_init.
20821 * c-lex.c: Include "ggc.h".
20822 (check_linenum): If doing GC, don't copy filenames to permanent
20824 * c-parse.in: Include "ggc.h".
20825 (c_parse_init): New function.
20826 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20827 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20829 * except.c (mark_eh_state): Mark more state.
20830 * function.c (mark_function_state): Likewise.
20831 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20832 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20833 * toplev.c (mark_file_stack): New function.
20834 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20835 (main): Add root for input_file_stack.
20837 * i386.c: Include "ggc.h".
20838 (ix86_mark_machine_status): New function.
20839 (override_options): Set mark_machine_status.
20841 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20843 * tree.c (copy_node): Copy node contents also if doing GC.
20845 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20847 * collect2.c (scan_libraries): Fix double-thinko :-).
20849 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20851 * collect2.c (scan_libraries): Fix thinko.
20853 * cse.c (delete_trivially_dead_insns): Do not skip the last
20854 insn if it is a real insn.
20856 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20858 * Makefile.in (ggc-simple.o): Depend on hash.h.
20859 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20860 (ggc_mark_tree_varray): Likewise.
20861 (ggc_mark_tree_hash_table): Likewise.
20862 * ggc-simple.c: Include hash.h.
20863 (ggc_mark_tree_hash_table_ptr): New function.
20864 (ggc_mark_tree_hash_table_entry): Likewise.
20865 (ggc_mark_tree_hash_table): Likewise.
20866 (ggc_add_tree_hash_table_root): Likewise.
20867 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20868 rtx, when defining fields.
20870 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20872 * profile.c (output_func_start_profiler): Remove apparently
20873 nonsensical call to start_sequence.
20875 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20877 * clipper/clipper.c (clipper_va_start): Fix typos.
20879 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20880 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20881 (spur_va_arg): New stub.
20883 * configure.in: Comment out pyramid.
20885 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20887 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20888 don't conflict with the bits that win32, cygwin, and dgux
20891 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20892 Bernd Schmidt <bernds@cygnus.co.uk>
20894 * integrate.c (function_cannot_inline_p): Do not inline
20895 functions with forced labels.
20897 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20898 Bernd Schmidt <bernds@cygnus.co.uk>
20899 Mark Mitchell <mark@codesourcery.com>
20901 * Makefile.in (ggc-simple.o): Depend on varray.h.
20902 (rtl.o): Depend on ggc.h.
20903 (genattrtab.o): Depend on ggc.h.
20904 (print-tree.o): Likewise.
20905 (fold-const.o): Likewise.
20906 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20907 (make_insn_raw): Don't cache insns when GC'ing.
20908 (emit_insn_before): Likewise.
20909 (emit_insn_after): Likewise.
20910 (emit_insn): Likewise.
20911 (start_sequence): Use xmalloc to allocate the sequence_stack.
20912 (end_sequence): Add free to free it.
20913 (gen_sequence): Don't cache insns when GC'ing.
20914 (clear_emit_caches): Don't use sequence_element_free_list.
20915 (init_emit): Use xcalloc, not xmalloc+bzero.
20916 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20917 * function.c (pop_function_context_from): Use free to free the
20918 fixup_var_refs_queue.
20919 (put_reg_into_stack): Allocate it with xmalloc.
20920 * genattrtab.c: Include ggc.h.
20921 (operate_exp): Don't use obstack_free when GC'ing.
20922 (simplify_cond): Likewise.
20923 (simplify_text_exp): Likewise.
20924 (optimize_attrs): Likewise.
20925 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20927 (gencode): Generate a #include for ggc.h.
20928 * ggc-callbacks.c (ggc_p): Define it to zero.
20929 * ggc-none.c (ggc_p): Likewise.
20930 * ggc-simple.c: Include varray.h.
20931 (ggc_mark_tree_varray): New function.
20932 (ggc_add_tree_varray_root): Likewise.
20933 (ggc_mark_tree_varray_ptr): Likewise.
20934 * ggc.h (ggc_p): Declare.
20935 (varray_head_tag): Likewise.
20936 (ggc_add_tree_varray_root): Declare.
20937 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20938 inconsistencies when GC'ing.
20939 * rtl.c: Include ggc.h.
20940 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20941 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20942 (rtx_free): Don't call obstack_free when GC'ing.
20943 * toplev.c (rest_of_compilation): Call ggc_collect after every
20945 * tree.c (push_obstacks): Do nothing, if GC'ing.
20946 (pop_obstacks_nochange): Likewise.
20947 (pop_obstacks): Likewise.
20948 (make_node): Use ggc_alloc_tree when GC'ing.
20949 (copy_node): Likewise.
20950 (get_identifier): Use ggc_alloc_string when GC'ing.
20951 (build_string): Likewise.
20952 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20953 (tree_cons): Likewise.
20954 (build1): Likewise.
20955 (type_hash_canon): Don't call obstack_free when GC'ing.
20957 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20959 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20960 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20962 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20963 Bernd Schmidt <bernds@cygnus.co.uk>
20964 Mark Mitchell <mark@codesourcery.com>
20966 * Makefile.in (stor-layout.o): Depend on ggc.h.
20967 (expr.o): Depend on ggc.h.
20968 (profile.o): Depend on ggc.h.
20969 (stor-layout.o): Depend on ggc.h.
20970 * emit-rtl.c (init_emit_once): Add gc roots.
20971 * expr.c: Include ggc.h.
20972 (emit_block_move): Add gc roots.
20973 (clear_storage): Likewise.
20974 * expr.h (init_stor_layout_once): New function.
20975 * profile.c: Include ggc.h.
20976 (init_arc_profiler): profiler_label is a root.
20977 * scan.c (make_sstring_space): Trust xrealloc to function
20978 correctly with first parameter NULL.
20979 * stor-layout.c: Include ggc.h.
20980 (set_sizetype): Add gc root.
20981 (init_stor_layout_once): New function.
20982 * toplev.c (compile_file): Call it.
20984 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20985 Bernd Schmidt <bernds@cygnus.co.uk>
20986 Mark Mitchell <mark@codesourcery.com>
20988 * Makefile.in (tree.o): Depend on ggc.h.
20989 (varasm.o): Likewise.
20990 (function.o): Likewise.
20991 (stmt.o): Likewise.
20992 (except.o): Likewise.
20993 (optabs.o): Likewise.
20994 (emit-rtl.o): Likewise.
20995 * emit-rtl.c: Include ggc.h.
20996 (sequence_element_free_list): Remove, and all references.
20997 (mark_sequence): New functions.
20998 (mark_emit_state): New function.
20999 * except.c: Include ggc.h.
21000 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21001 (mark_tree_label_node): New functions.
21002 (mark_eh_state): New function.
21003 * function.c: Include ggc.h.
21004 (mark_temp_slot, mark_function_chain): New functions.
21005 (mark_function_state): New function.
21006 (init_function_once): New function.
21007 * function.h (init_function_once): New function.
21008 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21009 * ggc.h (label_node): Declare.
21010 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21011 (lang_mark_false_label_stack): New function.
21012 (mark_temp_slot): Remove declaration.
21013 (mark_function_chain): Likewise.
21014 (mark_eh_state): Adjust prototype.
21015 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21017 * optabs.c: Include ggc.h.
21018 (mark_optab): New function.
21019 (init_optabs): Add gc roots.
21020 * stmt.c: Include ggc.h.
21021 (mark_cond_nesting, mark_loop_nesting): New functions.
21022 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21023 (mark_stmt_state): New function.
21024 * toplev.c (compile_file): Call init_function_once.
21025 * tree.c: Include ggc.h.
21026 (type_hash): Move declaration earlier in file.
21027 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21028 (init_obstacks): Add gc roots.
21029 (mark_type_hash): New function.
21030 * varasm.c: Include ggc.h.
21031 (mark_pool_constant): New function.
21032 (mark_varasm_state): New function.
21034 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21036 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21038 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21040 * c-decl.c (struct language_function): Renamed from struct c_function.
21042 (c_function_chain): Delete.
21043 (push_c_function_context): New arg F. Don't warn about nested
21044 functions here. Fill LANGUAGE elt of F. Delete code to update
21045 c_function_chain. Don't call push_function_context.
21046 (pop_c_function_context): New arg F. Restore from there instead of
21047 from c_function_chain. Don't call pop_function_context. Clear out
21048 LANGUAGE field of F when done.
21049 * c-lang.c: Include "function.h"
21050 (lang_init): Initialize save_lang_status and restore_lang_status.
21051 * c-parse.in (nested_function, nested_function_notype): Warn about
21052 nested functions. Call push_function_context/pop_function_context
21053 instead of the _c_ variants.
21054 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21056 * Makefile.in (c-lang.o): Update dependencies.
21058 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21059 regno_pointer_flag, regno_pointer_align.
21060 (gen_reg_rtx): Use xrealloc to enlarge them.
21061 (free_emit_status): New function.
21062 * function.c (mark_machine_status, mark_lang_status): New variables.
21063 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21064 in some bits from assign_stack_local. All callers changed to use new
21066 (assign_stack_local): Just call assign_stack_local_1.
21067 (free_after_compilation): New function.
21068 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21069 (trampoline_address): Likewise.
21070 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21071 (prepare_function_start): Explicitly clear some more variables.
21072 * function.h (struct function): New elt can_garbage_collect.
21073 (mark_machine_status, mark_lang_status): Declare variables.
21074 (free_after_compilation, free_emit_status, free_varasm_status,
21075 init_varasm_status): Declare functions.
21076 * toplev.c (rest_of_compilation): Call free_after_compilation when
21077 done with the current function.
21078 * varasm.c (free_varasm_status): New function.
21080 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21082 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21083 (EXPAND_BUILTIN_VA_ARG): Define.
21084 * sparc.c (sparc_va_start): New.
21085 (sparc_va_arg): New.
21087 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21089 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21091 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21093 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21095 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21097 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21098 (OBJS): Add $(GGC).
21099 (ggc-callbacks.o): New target.
21100 * ggc-callbacks.c: New file.
21102 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21104 * expr.h: Collapse individual optab and libfunc vars to arrays.
21105 (optab_index, libfunc_index): New enumerations.
21106 (optab_table, libfunc_table): New arrays.
21107 Add accessor macros for both.
21109 * optabs.c (optab_table, libfunc_table): New.
21110 Delete declarations for individual optab and libfunc vars.
21112 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21114 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21116 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21118 * Makefile.in (GGC, GGC_LIB): New.
21119 (HOST_RTL): Include ggc-none.o.
21120 (ggc-simple.o): New target.
21121 (ggc-none.o): Likewise.
21122 * tree.h (tree_common): Add gc_mark.
21123 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21124 (struct rtvec_def): Add gc_mark.
21125 * emit-rtl.c (global_rtl): Update static initializers to contain
21126 enough initializers.
21127 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21128 * toplev.c (gc_time): New variable.
21129 (all_time): New variable.
21130 (compile_file): Print gc time.
21131 (print_time): Calculate percentage of the whole.
21133 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21135 Change obstack memory management and varasm constant pool handling so
21136 that nested functions are treated like any other functions.
21137 * function.c (init_machine_status): New variable.
21138 (push_function_context_to): Set contains_functions for the outer
21139 function. Don't call save_varasm_status.
21140 (pop_function_context_from): Don't call restore_varasm_status. Don't
21141 set current_function_contains_functions.
21142 (prepare_function_start): Call init_varasm_status rather than
21143 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21145 * function.h (struct function) Add field varasm. Delete fields
21146 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21147 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21148 (init_machine_status): Declare.
21149 (save_varasm_status, restore_varasm_status): Delete declarations.
21150 (save_tree_status, restore_tree_status): Delete last argument.
21151 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21152 code. All callers changed.
21153 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21154 save_constants_in_decl_trees, restore_constants, save_constants,
21155 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21157 (inlining): New variable.
21158 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21159 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21161 (save_for_inline_nocopy): Don't save constants.
21162 Don't set inl_emit field in current_function.
21163 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21164 function. Set new variable inlining before
21165 calling copy_rtx_and_substitute.
21166 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21167 constant pool references if inlining is nonzero.
21168 Delete ADDRESS and (most of the) CONST cases.
21169 (output_inline_function): Save and restore current_function/
21170 current_function_decl. Delete restore_constants code. Don't call
21171 init_const_rtx_hash_table.
21172 * output.h (init_const_rtx_hash_table): Don't declare.
21173 * rtl.h (struct function): Declare.
21174 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21175 * toplev.c (rest_of_compilation): Don't treat nested functions or
21176 functions containing them specially. Delete all code to deal with
21177 save_for_inline_copying.
21178 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21179 inline_obstacks): Delete variables.
21180 (save_tree_status): Lose arg CONTEXT. All callers changed.
21181 Simply allocate a new function_maybepermanent_obstack for the new
21182 function, delete all the special cases.
21183 Don't save inline_obstacks.
21184 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21185 Delete special handling for function_maybepermanent_obstack; simply
21187 Don't restore inline_obstacks.
21188 (permanent_allocation): Delete code that frees inline_obstacks.
21189 (print_inline_obstack_statistics): Delete function.
21190 (dump_tree_statistics): Don't call it.
21191 * varasm.c (struct varasm_status): New.
21192 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21193 last_pool, pool_offset, const_double_chain): Delete global
21194 variables, replace with accessor macros.
21195 (immed_double_const): Don't walk const_double_chain outside a
21196 function, but don't treat nested functions specially anymore.
21197 (immed_real_const_1): Likewise.
21198 (clear_const_double_mem): Don't treat nested functions specially.
21199 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21200 (save_varasm_status, restore_varasm_status): Delete functions.
21201 (init_varasm_status): New function.
21202 (force_const_mem): Don't treat nested functions specially.
21203 (find_pool_constant): Accept new arg F, search for constants in
21204 that function's pool rather than the current one. All callers
21206 (get_pool_constant_for_function, get_pool_mode_for_function): New
21209 * i386.c (init_386_machine_status): New function, mostly from
21210 clear_386_stack_locals.
21211 (struct machine_functions): Rename element names to avoid name
21213 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21214 macros, replacing global variables.
21215 (clear_386_stack_locals, save_386_machine_status,
21216 restore_386_machine_status): Delete functions.
21217 (override_options): Initialize init_machine_status.
21218 * i386.h (INIT_EXPANDERS): Delete macro.
21219 (save_386_machine_status, restore_386_machine_status,
21220 clear_386_stack_locals): Delete declarations.
21222 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21224 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21225 (doloop_begin): Simplify pattern and use emit_jump_insn.
21226 (doloop_end): Simplify pattern, switch operand order,
21227 and use emit_jump_insn.
21229 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21231 * function.h (struct function): Add new element LANGUAGE.
21232 (save_lang_status): Declare new variable.
21233 (restore_lang_status): Likewise.
21234 * function.c (save_lang_status): Define.
21235 (restore_lang_status): Likewise.
21236 (push_function_context_to): Call language-specific save function.
21237 (pop_function_context_from): Call language-specific restore function.
21239 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21241 * i386.md (movsf_1): Check REG_P before use of REGNO.
21242 (movdf_1): Likewise.
21243 (movxf_1): Likewise.
21244 (extendsfdf2): Likewise.
21245 (extendsfxf2): Likewise.
21246 (extenddfxf2): Likewise.
21248 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21250 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21251 constants into memory.
21252 (c4x_shiftable_constant): New function.
21253 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21254 (c4x_shiftable_constant): Declare.
21255 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21256 ashlqi3_noclobber): Add new patterns and associated splitters.
21258 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21260 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21261 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21262 * final.c (shorten_branches): Likewise.
21263 * global.c (global_alloc): Likewise.
21264 * haifa-sched.c (build_control_flow): Likewise.
21265 * stmt.c (check_for_full_enumeration_handling): Likewise.
21266 (estimate_case_costs): Likewise.
21268 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21270 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21272 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21274 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21275 (recompute_reg_usage): Likewise.
21276 * rtlanal.c (find_regno_fusage): Likewise.
21278 * rtl.c (rtl_check_failed_code1): New function.
21279 (rtl_check_failed_code2): New.
21280 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21281 (RTL_CHECKC1, RTL_CHECKC2): New.
21282 (XC*): New accessor macros.
21283 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21284 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21285 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21286 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21287 (TRAP_*, RANGE_INFO_*): Likewise.
21289 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21291 * Makefile.in (tlink.o): Don't depend on toplev.h.
21293 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21294 output_file, nm_file_name, ldd_file_name, strip_file_name,
21295 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21296 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21297 fork_execute, maybe_unlink, add_to_list,
21298 extract_init_priority, write_list, dump_list,
21299 dump_prefix_list, write_list_with_asm, write_c_file,
21300 write_c_file_stat, write_c_file_glob, scan_prog_file,
21301 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21302 ignore_library, extract_string, notice, dump_file, target_machine,
21303 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21304 read_file, print_load_command): Constify a char*.
21305 (fdopen, error, fatal, fatal_perror): Don't prototype.
21306 (my_strerror): Remove. All callers use xstrerror instead.
21307 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21308 (main): Add prototype. Constify lots of char* ptrs. Change calls
21309 to xcalloc/strcpy/strcat/... to one call to concat.
21310 (main, scan_prog_file, scan_libraries): Use an intermediate
21311 `const char **' to build an argv array.
21312 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21314 * collect2.h (collect_execute, collect_wait, dump_file,
21315 file_exists): Constify a char*.
21316 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21317 temporary_firstobj, vflag, debug): Add extern declarations.
21318 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21320 * tlink.c: Don't include toplev.h.
21321 (vflag, debug, ldout, c_file_name, temporary_obstack,
21322 permanent_obstack, temporary_firstobj): Don't declare.
21323 (tlink_execute, frob_extension, symbol_hash_lookup,
21324 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21325 recompile_files, read_repo_files, demangle_new_symbols,
21326 scan_linker_output): Constify a char*.
21327 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21328 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21330 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21332 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21333 (relative) rather than jsr (absolute) subroutine call insns.
21334 * config/m68k/m68k-coff.h: Ditto.
21336 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21338 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21339 now rework these too.
21340 (arm_reorg): If an insn can't reach the end of the current pool,
21341 ensure that we emit that pool before the insn.
21343 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21345 * tlink.c (scan_linker_output): Skip the initial underscore in
21346 a mangled name if appropriate.
21348 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21350 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21351 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21352 error_with_ivar, gen_declarator, create_builtin_decl,
21353 my_build_string, generate_descriptor_table, generate_ivars_list,
21354 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21355 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21356 dump_base_name, lang_decode_option, build_encode_expr,
21357 start_class, finish_class, encode_pointer, really_start_method,
21358 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21360 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21361 Add static prototypes.
21362 (build_objc_string_decl, build_selector_reference_decl,
21363 encode_bitfield, build_class_reference_decl): Remove unused
21364 parameter, all callers changed.
21365 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21366 (objc_printable_name): Likewise. Change second parameter to type int.
21367 (init_objc): Use memcpy, not bcopy, to avoid casts.
21369 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21371 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21372 reg notes on a deleted insn.
21373 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21375 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21377 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21379 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21381 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21384 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21386 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21387 * tm.texi (MD_ASM_CLOBBERS): Document it.
21389 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21391 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21392 * except.c (expand_rethrow): Remove unused variable.
21393 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21394 * flow.c (replace_insns): Likewise.
21395 (create_edge_list, verify_edge_list): Likewise.
21396 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21398 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21399 is special code to run.
21400 (main): Don't define operands to emit_operand.
21401 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21403 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21405 * alpha/alpha.h (normal_memory_operand): Declare.
21406 (reg_no_subreg_operand): Declare.
21407 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21409 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21411 * c-parse.in (compstmt_primary_start): New, broken out of first
21412 part of compstmt handling in primary.
21413 (primary): Use it. Add an error clause.
21414 (compstmt_nostart): Renamed from compstmt; remove all
21415 initial invocations of compstmt_start.
21418 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21420 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21423 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21425 * combine.c (simplify_shift_const): Remove extra semicolon.
21426 * dwarf2out.c (remove_AT): Likewise.
21427 * expmed.c (expand_mult): Likewise.
21428 * gcov.c (create_program_flow_graph): Likewise.
21429 * reorg.c (mostly_true_jump): Likewise.
21431 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21433 * fold-const.c (fold_range_test): Do not try to fold the range
21434 test if the rhs or lhs has side effects.
21436 * combine.c (simplify_rtx): Recognize another case of a synthesized
21439 * varasm.c (mark_constant_pool): When marking indirect references,
21440 only look at SYMBOL_REFs.
21442 * except.c (expand_fixup_region_end): Do not peek at
21443 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21445 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21447 * flags.h: New variables align_loops, align_loops_log,
21448 align_jumps, align_jumps_log, align_labels, align_labels_log,
21449 align_functions, align_functions_log.
21450 * toplev.c: Define them.
21451 (f_options): Handle -falign-* when they have no argument.
21452 (main): Add logic to set variables for -falign-functions,
21453 -falign-jumps, -falign-labels, -falign-loops.
21454 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21455 (display_help): Change help to match options.
21456 * final.c (LABEL_ALIGN): Default to align_labels_log.
21457 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21458 (LOOP_ALIGN): Default to align_loops_log.
21459 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21460 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21461 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21462 * varasm.c (assemble_start_function): Handle align_functions.
21464 * config/sparc/sparc.h: Don't declare sparc_align_*.
21465 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21466 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21468 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21470 * config/sparc/sparc.c: Delete sparc_align_loops,
21471 sparc_align_jumps, sparc_align_funcs and the corresponding string
21473 (sparc_override_options): Default align_functions on ultrasparc.
21474 Delete -malign-* handling.
21476 * config/mips/mips.c (override_options): On 64-bit targets,
21477 try to align code to 64-bit boundaries.
21478 (print_operand): New substitution, %~,
21479 which aligns labels to align_labels_log.
21480 * config/mips/mips.md (div_trap_normal): Use %~.
21481 (div_trap_mips16): Likewise.
21483 (absdi2): Likewise.
21484 (ffssi2): Likewise.
21485 (ffsdi2): Likewise.
21486 (ashldi3_internal): Likewise.
21487 (ashrdi3_internal): Likewise.
21488 (lshrdi3_internal): Likewise.
21489 (casesi_internal): Likewise.
21491 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21493 Merge new ia32 backend from the branch!
21495 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21496 See ChangeLog.P2 on new_ia32_branch for details.
21498 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21499 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21500 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21501 * i386/gas.h (ASM_FILE_START): Define.
21502 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21503 for name change of ix86_valid_decl_attribute_p.
21504 (i386_pe_valid_type_attribute_p): Similarly.
21506 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21508 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21509 to step through CC modes.
21511 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21513 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21514 it would end up in the shadow of a live flags regsiter.
21516 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21518 * reload1.c: Fix many indentation problems.
21519 * reload.c: Likewise.
21521 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21523 * alias.c (non_local_reference_p): Constify fmt.
21525 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21527 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21529 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21531 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21532 the internal_arg_pointer.
21534 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21536 Merge peephole2 from new_ia32_branch:
21537 * Makefile.in (STAGESTUFF): Add *.peephole2.
21538 (mostlyclean): Likewise.
21539 (recog.o): Depend on resource.h.
21541 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21542 (final_scan_insn): Likewise for the invocation of peephole.
21543 * genconfig.c (main): Look for peephole and peephole2 patterns.
21544 Emit HAVE_peephole* accordingly.
21545 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21546 * flags.h (flag_peephole2): Declare.
21547 * toplev.c: New pass peephole2. New flag -fpeephole2.
21549 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21550 * gencodes.c (main): Likewise.
21551 * genextract.c (main): Likewise.
21552 * genoutput.c (main): Likewise.
21553 * genemit.c (max_operand_1): Look for the max scratch operand.
21554 (gen_rtx_scratch): New.
21555 (gen_exp): Use it, and pass on new arg subroutine_type.
21556 (gen_expand): Take max scratch into account.
21557 (gen_split): Emit peephole2 functions.
21558 (output_peephole2_scratch): New.
21559 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21560 * genrecog.c (routine_type): Add PEEPHOLE2.
21562 (make_insn_sequence): Match outer parallel for peep2. Discard
21563 top level scratches and dups.
21564 (add_to_sequence): New args insn_type and top. Update all callers.
21565 Handle toplevel peep2 matching insns.
21566 (write_subroutine): Handle peep2.
21567 (write_tree_1): Likewise.
21568 (write_tree): Likewise.
21570 (change_state): New arg afterward. Update all callers.
21571 Handle matching separate insns.
21572 * recog.c (recog_next_insn): New.
21573 (peephole2_optimize): New.
21574 * rtl.def (DEFINE_PEEPHOLE2): New.
21575 * resource.c (find_free_register): New argument last_insn. Use it
21576 to find a register available through the entire span.
21577 * resource.h (find_free_register): Update prototype.
21579 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21581 * i386.c (output_strlen_unroll): Don't write xops[7]
21582 label if it wasn't set.
21584 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21586 * cpplib.c (struct directive): Const-ify name pointer and
21587 function pointer prototype.
21588 (validate_else, do_define, do_line, do_include, do_undef,
21589 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21590 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21591 do_warning): Const-ify second arg.
21592 (directive_table): Mark const. Reorder entries by frequency
21593 of usage, record statistics.
21595 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21597 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21598 bounds- check RTL accesses if --enable-checking.
21599 (RTVEC_ELT): Bounds check if --enable-checking.
21600 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21601 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21602 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21604 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21605 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21607 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21608 (NOTE_SOURCE_FILE): Use X0STR.
21609 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21610 MEM_ALIAS_SET): Use X0INT.
21611 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21612 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21614 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21615 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21616 (rtl_check_failed_bounds, rtl_check_failed_type1,
21617 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21619 (fancy_abort): Fix comment.
21621 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21622 (cse_insn): Decrement LABEL_NUSES for jump target before
21623 deleting jump insn.
21624 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21625 * final.c (alter_subreg): Compute regno before changing x to
21626 REG; set REGNO(x) after changing it.
21627 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21628 notes containing CONST_INTs.
21629 (delete_eh_regions): Use NOTE_EH_HANDLER.
21630 * function.c (put_reg_into_stack): Make reg a MEM before
21632 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21634 (gen_mem_addressof): Make reg a MEM before initializing it.
21635 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21637 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21638 deleting an insn, not after.
21639 (block_alloc): Only look at PATTERN(insn) if we have to, and
21640 only if it's format class 'i'.
21641 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21642 CONST_INT before using its INTVAL.
21643 * print-rtl.c (print_rtx): Use X0STR.
21644 * regmove.c (fixup_match_1): Don't look at PATTERN of
21645 non-class-'i' insn chain elements.
21646 * reload.c (loc_mentioned_in_p): Take address of
21647 in->fld[1].rtx directly.
21648 * reload1.c (reload): Change reg to a MEM before initializing
21650 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21652 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21654 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21656 * config/mips/mips.c (machine_dependent_reorg): Force a
21657 barrier to output the local constant pool if a barrier hasn't
21658 been found at a natural point in the instruction stream.
21660 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21662 * c-parse.in (language_string): Constify.
21664 * dwarf2out.c (language_string): Remove declaration.
21666 * dwarfout.c (language_string): Likewise.
21668 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21670 * tree.h (language_string, init_parse, finish_parse): Declare.
21672 * i386/sun386.h (language_string): Remove declaration.
21674 * mips.h (language_string): Likewise.
21676 * nextstep.h (language_string): Likewise.
21678 * nextstep21.h (language_string): Likewise.
21680 * rs6000.c (language_string): Likewise.
21682 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21684 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21685 (getpwd.o): Remove target.
21687 * getpwd.c: Delete file. Its in libiberty now.
21689 * dbxout.c (getpwd): Don't prototype.
21690 * dwarf2out.c (getpwd): Likewise
21691 * dwarfout.c (getpwd): Likewise
21692 * final.c (getpwd): Likewise.
21693 * protoize.c (getpwd): Likewise.
21695 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21697 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21699 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21701 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21702 mark_set_resources.
21704 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21706 * fixinc/Makefile.in (subdir): New.
21707 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21710 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21712 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21713 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21716 * invoke.texi: Fix typo.
21718 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21719 changed. Handle autoincrement addressing modes.
21721 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21722 just like we would the virtual incoming args register when
21725 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21727 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21728 path, in .file directive.
21730 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21732 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21735 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21737 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21740 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21742 * tree.c (tree_code_name): Constify a char*.
21744 * tree.h (tree_code_name, decl_printable_name): Likewise.
21746 * function.h (struct function): Likewise.
21748 * toplev.c (decl_name, decl_printable_name): Likewise.
21750 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21752 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21753 (init_objc): Remove function pointer cast.
21755 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21757 * pa.md (interspace_jump): New pattern.
21758 (builtin_longjmp): New expander.
21760 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21762 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21763 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21764 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21766 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21768 * jump.c (delete_prior_computation): Also check calls
21769 to constant functions. Don't bother checking for a
21770 REG_UNUSED note before adding it.
21771 (delete_computation): Handle multi-word hard registers
21772 when synthesizing missing REG_DEAD notes for a register
21773 which is both set and used by an insn.
21775 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21777 * loop.c (this_loop_info): New variable.
21778 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21779 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21781 (prescan_loop, strength_reduce): New argument loop_info. All callers
21783 (scan_loop): New variable loop_info, initialise to address of
21785 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21786 Delete variable loop_has_multiple_exit targets and replace with
21787 field in this_loop_info.
21788 (find_and_verify_loops): Rename this_loop to this_loop_num.
21789 (strength_reduce): Delete loop_iteration_info. Replace variable
21790 loop_info with function argument of same name.
21791 (insert_bct): Rework test for loop being completely unrolled.
21793 * loop.h (struct loop_info): New fields num, loops_enclosed,
21794 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21795 has_indirect_jump, and cont. Redefine use of unroll_number.
21796 (loop_unroll_number): Delete.
21798 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21799 field of loop_info.
21800 (loop_iterations): Delete variable vtop and instead use
21801 loop_info->vtop computed in prescan_loop.
21803 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21805 * fix-header.c (main): Do not pass a null pointer to strcmp.
21807 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21809 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21811 * configure: Rebuilt.
21813 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21815 * jump.c (jump_optimize_1): Do not delete assignments to
21816 internal_arg_pointer.
21817 * cse.c (delete_trivially_dead_insns): Always consider a set of
21818 the internal_arg_pointer live.
21820 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21822 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21823 (update_life_info) [REG_WAS_0]: Search the original insns rather
21824 than the new insns for the note. Fix typos finding note_dest.
21825 If no dest found, discard the note rather than abort.
21826 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21827 (replace_insns): Remove the old insn list after update_life_info
21830 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21832 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21833 sched_analyze_insn.
21834 (sched_analyze_1): Let add_dependence care for not adding dups.
21835 (sched_analyze_2): Likewise.
21836 (add_branch_dependences): Likewise.
21838 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21840 * i386/winnt.c (export_list): New type.
21841 (exports_head): Rename to
21842 (export_head): this.
21843 (i386_pe_record_exported_symbol): Add is_data flag.
21844 (i386_pe_asm_file_end): Emit directive for exported variables.
21845 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21847 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21848 (ASM_DECLARE_OBJECT_NAME): Likewise.
21849 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21850 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21852 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21854 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21856 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21859 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21861 * config/openbsd.h: Define SET_ASM_OP.
21862 * tm.texi: cross-reference SET_ASM_OP in the index.
21864 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21866 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21867 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21868 and class_narrowest_mode at compile time. Kill init_rtl.
21869 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21870 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21871 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21873 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21875 * rtl.h: Declare rtx_length and rtx_format as const.
21876 * machmode.def: Define CC(). Use CC() to define CCmode. If
21877 EXTRA_CC_MODES is defined, expand it here.
21878 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21879 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21880 const. Kill all references to EXTRA_CC_MODES.
21882 * toplev.c: Don't prototype or call init_rtl.
21883 * optabs.c: Don't call init_mov_optab.
21884 * genemit.c: Don't generate init_mov_optab. Don't call
21886 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21888 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21889 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21890 genrecog.c: Don't call init_rtl.
21892 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21893 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21894 definition of EXTRA_CC_MODES.
21896 * md.texi: Kill ref to EXTRA_CC_NAMES.
21897 * tm.texi: Document new way to define EXTRA_CC_MODES.
21899 * genrecog.c: Do not look up the name of a define_split.
21900 (Unrelated bugfix.)
21902 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21904 * config/v850/v850.md: Fix typo introduced by previous delta.
21906 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21908 * gcc.c (fatal): Make definition static to match prototype.
21910 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21912 * combine.c (get_last_value): Don't look for earlier sets if the last
21913 known set is somewhere in between the insns being combined.
21915 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21917 * configure.in: Don't use shell ! to negate exit codes
21918 * configure: Regenerate
21920 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21922 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21923 the fact that ALIGN is measured in bits, not bytes.
21925 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21927 * errors.c: New file; defines functions error, warning, and
21928 fatal, variables have_error and progname.
21929 * errors.h: New file; prototypes and decls for stuff in errors.c.
21931 * Makefile: Add rules to build errors.o and
21932 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21933 genopinit, genrecog, genextract, genpeep, genattr, and
21934 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21935 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21936 genpeep.o, genattr.o, and genoutput.o.
21938 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21939 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21940 define or prototype fatal. Set progname at beginning of main.
21941 * genoutput.c: Likewise, and don't define or prototype error
21944 * c-typeck.c (c_expand_start_case): Return immediately if exp
21946 * fold-const.c (operand_equal_p): Return immediately if arg1
21947 or arg0 are ERROR_MARKs.
21948 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21949 fields of type ERROR_MARK when calculating if the record can
21952 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21953 with much help from Jeffrey A Law and Richard Henderson
21955 * i386.md: In the 6 insns which call output_fix_trunc,
21956 earlyclobber operands[0].
21958 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21960 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21961 creating new registers.
21963 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21965 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21966 i386_reg_alloc_order, i386_regparm_string,
21967 i386_align_loops_string, i386_align_jumps_string,
21968 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21969 and i386_branch_cost_string as type "const char *".
21970 * i386.c: Define all above strings as type "const char *".
21972 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21974 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21975 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21977 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21979 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21980 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21982 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21984 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21985 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21986 (dwarf2out_line, dwarf2out_finish): Likewise.
21987 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21989 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21991 * tree.c (lang_unsave_expr_now) : Correct return type.
21992 * tree.h (lang_unsave_expr_now) : Same.
21994 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21996 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21997 instead of duplicating code.
21999 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22001 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22003 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22005 * tree.h: fancy_abort always takes three args.
22006 * resource.c: Move include of system.h before toplev.h.
22008 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22010 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22013 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22015 * system.h: Don't redefine abort or trim_filename.
22016 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22017 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22018 whether or not __FUNCTION__ is available.
22019 * tree.h: Duplicate rtl.h's definition of abort, for files
22020 that don't include rtl.h. Delete all code to perform type
22021 checking with a compiler other than GCC.
22022 * varray.h: Delete all code to perform type checking with a
22023 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22024 its arguments exactly once, using a statement expression.
22025 Adjust the VARRAY_<type> accessor macros to match.
22026 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22027 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22028 caller's location. Define fatal_insn and fatal_insn_not_found
22029 as macros that use _fatal_insn and _fatal_insn_not_found.
22030 (fancy_abort, trim_filename): Kill prototypes.
22032 * rtl.c (trim_filename): Move here from toplev.c.
22033 (fancy_abort): New function.
22034 (DIR_SEPARATOR): Provide default definition.
22035 * tree.c (tree_check_failed, tree_class_check_failed): Go
22036 through fancy_abort.
22037 (tree_check, tree_class_check, cst_or_constructor_check,
22038 expr_check): Delete.
22039 * varray.c (varray_check_failed): New function.
22040 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22041 _fatal_insn and _fatal_insn_not_found. Go through
22043 (trim_filename, fancy_abort): Delete.
22045 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22046 * except.c (start_catch_handler): Report ICE with error/abort
22048 * final.c (output_operand_lossage): Likewise.
22049 * flow.c (verify_flow_info): Likewise.
22051 * gcc.c: Prototype fatal.
22052 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22053 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22054 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22055 Don't define fancy_abort.
22057 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22059 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22062 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22064 * m88k.h (VERSION_INFO2): Kill.
22065 (VERSION_STRING): Kill.
22067 (VERSION_INFO1): Tidy.
22068 (TARGET_VERSION): Update.
22069 * m88k/dgux.h (VERSION_INFO2): Kill.
22070 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22071 * m88k/luna.h (VERSION_INFO1): Tidy.
22072 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22073 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22074 (output_file_start): Adjust for death of VERSION_STRING.
22076 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22078 * cpplib.c (detect_if_not_defined): New function.
22079 (do_if): Use it to detect potential once-only headers.
22081 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22083 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22085 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22087 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22088 anywere in the function only if they are pseudos and set before
22089 being used (not live at the start of the function).
22090 (num_sign_bit_copies) : Same.
22091 (get_last_value_validate) : Same.
22092 (get_last_value) : Same.
22094 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22096 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22097 where N and M are constant and N is an integer multiple of M.
22099 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22101 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22102 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22103 sbitmap_union_of_preds): Add prototypes.
22104 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22105 the intersection of successors with the new flow graph structures.
22106 (sbitmap_intersection_of_preds): New function to compute the
22107 intersection of predecessors with the new flow graph structures.
22108 (sbitmap_union_of_succs): New function to compute the union of
22109 successors with the new flow graph structures.
22110 (sbitmap_union_of_preds): New function to compute the union of
22111 predecessors with the new flow graph structures.
22112 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22113 (expr_reaches_here_p): Use edge and basic_block structures instead
22114 of s_preds and s_succs.
22115 (compute_cprop_avinout): Use new sbitmap routines.
22116 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22117 of s_preds and s_succs.
22118 * flow.c (compute_flow_dominators): Compute dominators using
22119 edges and basic blocks instead of s_preds and s_succs.
22121 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22123 * lists.c (unused_insn_list, unused_expr_list): New file for
22124 maintaining various types of lists. New statics for maintaining a
22125 cache of available INSN_LIST and EXPR_LIST nodes.
22126 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22127 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22128 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22129 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22130 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22131 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22132 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22133 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22134 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22135 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22136 (remove_dependence, free_pending_lists): Use new global routines.
22137 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22138 (sched_analyze, compute_block_backward_dependences): Use new routines.
22139 (sched_analyze_1, sched_analyze_2): Use new routines.
22140 (schedule_insns): Use new global routines.
22141 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22143 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22144 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22146 * toplev.c (rest_of_compilation): Initialize node cache.
22147 * Makefile.in (OBJS): Add lists.o to list of object files.
22148 (lists.o): Add dependancies.
22150 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22152 * config/v850/v850.md: Fix compile time warning messages.
22153 * config/v850/v850.c: Fix compile time warning messages.
22154 * config/v850/v850.h: Fix compile time warning messages.
22156 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22158 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22159 Remove unused prototype for `init_lengths'.
22161 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22163 * calls.c (emit_call_1): Mark parameter `stack_size' with
22165 (expand_call): Initialize variable `insn'.
22166 (emit_library_call): Likewise for variable `high_to_save'.
22167 (emit_library_call_value): Likewise.
22168 (store_one_arg): Likewise for variables `lower_bound' and
22171 * combine.c (try_combine): Likewise for variables `i2_code_number'
22172 and `other_code_number'.
22173 (find_split_point): Likewise for variables `pos', `unsignedp' and
22175 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22176 (simplify_and_const_int): Remove unused variable `width'.
22177 (merge_outer_ops): Likewise.
22179 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22180 HOST_WIDE_INT' when comparing against one.
22181 (simplify_relational_operation): Likewise.
22182 (cse_insn): Initialize variables `src_eqv_volatile',
22183 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22185 * final.c (init_final): Constify parameter `filename'.
22186 (final_start_function): Mark parameter `optimize' with
22188 (profile_function): Likewise for parameters `first' and `optimize'.
22189 (output_source_line): Likewise for parameter `file'.
22191 * integrate.c (subst_constants): Cast a value to `size_t' when
22192 comparing against one.
22193 (mark_stores): Initialize variable `mode'. Cast a value to
22194 `size_t' when comparing against one.
22196 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22198 * loop.c (move_movables): Initialize variable `first'.
22199 (strength_reduce): Likewise for variable `increment'.
22200 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22201 value to `size_t' when comparing against one.
22202 (load_mems): Initialize variable `end_label'.
22204 * output.h (init_final): Constify parameter.
22206 * reload.c (decompose): Initialize variable `base'.
22208 * reload1.c (reload): Likewise for variable `is_scalar'.
22209 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22210 (choose_reload_regs): Initialize variable `mode'.
22211 (emit_reload_insns): Likewise for variable `store_insn'.
22212 (reload_cse_noop_set_p): Mark parameter `insn' with
22214 (reload_combine): Initialize variable `set'.
22216 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22217 (copy_loop_body): Cast a value to `size_t' when comparing against
22220 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22221 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22222 (remove_from_pending_weak_list): Mark parameter `name' with
22225 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22227 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22230 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22232 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22233 (ASM_DECLARE_FUNCTION_NAME): Define.
22234 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22235 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22236 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22237 not already defined.
22239 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22241 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22242 of n_popped when call/call_value are not defined.
22244 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22246 * tm.texi: GNU CC -> GCC conversion.
22247 (CC1_SPEC): Indicate it is used for all language front ends.
22249 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22251 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22252 NOTE_INSN_EH_REGION_END correctly.
22254 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22255 Jeff Law <law@cygnus.com>
22257 * loop.c (strength_reduce): Automatically unroll loops if the
22258 unrolled loop size is smaller than the rolled loop size.
22260 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22261 and delete comment that code should be rewritten.
22263 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22265 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22268 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22270 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22272 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22273 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22274 (LINK_SPEC): Add -u _main when building executables.
22275 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22276 (ASM_FILE_END): Use the default for ix86-pe.
22277 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22279 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22281 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22282 and ASM_CLOSE_PAREN are empty strings.
22284 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22285 Geoffrey Keating <geoffk@cygnus.com>
22287 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22288 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22289 (unprotoize.o): Ditto.
22290 (test-protoize-simple): Don't define STD_PROTO_DIR.
22291 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22292 changes to make 'test-protoize-simple' pass.
22293 (STD_PROTO_DIR): Remove define.
22294 (STANDARD_EXEC_PREFIX): Supply default define.
22295 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22296 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22297 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22298 (GET_ENV_PATH_LIST): New macro.
22299 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22300 (do_processing): Initialize default_syscalls_dir using new
22301 macros. Use it to initialize syscalls_absolute_filename.
22303 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22305 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22306 B into a register before emit_conditional_move.
22308 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22310 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22311 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22312 multiplicand out of (+ (* a b) (* c d)).
22314 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22315 Richard Henderson <rth@cygnus.com>
22317 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22318 (new_insn_dead_notes): Likewise.
22319 (update_n_sets): Likewise.
22320 (update_flow_info): Move to flow.c, renamed to update_life_info;
22321 extend to handle multiple source insns.
22322 * flow.c: Include resource.h
22323 (unlink_insn_chain): New.
22324 (split_hard_reg_notes): New.
22325 (maybe_add_dead_note): New.
22326 (maybe_add_dead_note_use): New.
22327 (find_insn_with_note): New.
22328 (new_insn_dead_notes): New.
22329 (update_n_sets): New.
22330 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22331 (maybe_remove_dead_notes): New.
22332 (update_life_info): New.
22333 (prepend_reg_notes): New.
22334 (replace_insns): New.
22335 * output.h (update_life_info): Declare.
22336 * recog.c (split_block_insns): Use update_life_info.
22337 * resource.c (find_free_register): Use reg_alloc_order, don't use
22338 fixed regs, make sure the mode is supported, don't use new regs.
22340 * rtl.h (replace_insns): Declare.
22342 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22344 * expr.c (expand_expr): Cope with COND_EXPRs with one
22345 non-returning branch.
22347 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22349 * expr.c (store_expr): Always pass down the target, even when not
22352 1999-08-24 Nick Clifton <nickc@cygnus.com>
22354 * configure.in: Define target_cpu_default for v850 targets.
22355 * configure: Regenerate
22357 * config/v850/v850.h (TARGET_CPU_generic): Define.
22358 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22359 addresses are 4 byte aligned.
22361 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22364 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22366 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22367 (main): Add prototypes.
22369 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22370 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22371 (write_attr_get): Emit prototypes along with function definition.
22372 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22373 (write_complex_function): Emit static prototype along with
22374 function definition.
22376 * genemit.c (gen_split): Emit prototypes along with function
22379 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22380 Likewise for predicates and `insn_operand_predicate'.
22381 (process_template): Emit static prototype along with function
22384 * genrecog.c (make_insn_sequence): Constify a char*. Add
22385 prototypes for get_split_*().
22386 (write_subroutine): Emit prototypes along with function
22389 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22391 * gcse.c (find_avail_set): Follow chains of register-register copies.
22392 Use oprs_not_set_p to guarantee that the returned value can be
22394 (cprop_insn): Don't verify the return value of find_avail_set with
22397 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22398 (cprop_cc0_jump): New function.
22399 (cprop_insn): Break out new function cprop_jump and use it.
22400 Also use cprop_cc0_jump for machines with CC0.
22401 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22403 * tree.h (current_function_calls_setjmp,
22404 current_function_calls_longjmp): Delete declarations.
22405 * dsp16xx.c: Include "function.h".
22406 * elxsi.c: Likewise.
22407 * gmicro.c: Likewise.
22408 * h8300.c: Likewise.
22409 * i370.c: Likewise.
22410 * m32r.c: Likewise.
22411 * mn10200.c: Likewise.
22412 * mn10300.c: Likewise.
22413 * ns32k.c: Likewise.
22414 * spur.c: Likewise.
22415 * v850.c: Likewise.
22417 * rtl.h (rtx_equal_function_value_matters): Declare.
22418 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22420 * function.c: Likewise.
22421 * emit-rtl.c: Likewise.
22423 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22425 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22428 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22430 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22433 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22435 * cpp.texi: Add a node documenting macro varargs (copied
22438 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22440 * cppspec.c: Put a null pointer at the end of the new argv.
22442 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22444 * configure.in: Remove code to select/de-select the haifa
22445 scheduler. Every scheduled port gets haifa now.
22446 * configure: Rebuilt.
22447 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22449 * Makefile.in: Corresponding changes.
22451 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22453 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22454 All callers changed.
22455 (prepare_float_lib_cmp): Likewise.
22456 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22457 * expr.h (emit_float_lib_cmp): Delete declaration.
22458 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22459 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22460 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22462 (cmptf): Now conditional on TARGET_HARD_QUAD.
22464 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22466 * resource.c (mark_target_live_regs): Use
22467 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22469 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22471 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22473 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22475 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22477 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22479 * rtl.h (rtx_format): Constify a char*.
22481 * rtl.c (rtx_format): Likewise.
22482 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22483 (init_rtl): Use accessor macro, not `rtx_format'.
22485 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22488 * caller-save.c (mark_referenced_regs): Likewise.
22490 * combine.c (subst, make_compound_operation, known_cond,
22491 gen_rtx_combine, update_table_tick, get_last_value_validate,
22492 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22494 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22495 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22496 count_reg_usage): Likewise.
22498 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22501 * final.c (leaf_renumber_regs_insn): Likewise.
22503 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22504 dump_edge_info, count_reg_references): Likewise.
22506 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22507 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22510 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22511 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22512 add_label_notes): Likewise.
22514 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22515 clear_struct_flag, count_sub_rtxs, count_alternatives,
22516 compares_alternatives_p, contained_in_p, walk_attr_value,
22517 write_expr_attr_cache): Likewise.
22519 * genconfig.c (walk_insn_part): Likewise.
22521 * genemit.c (max_operand_1, gen_exp): Likewise.
22523 * genextract.c (walk_rtx): Likewise.
22525 * genflags.c (num_operands): Likewise.
22527 * genoutput.c (scan_operands): Likewise.
22529 * genpeep.c (match_rtx): Likewise.
22531 * genrecog.c (add_to_sequence): Likewise.
22533 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22536 * integrate.c (save_constants, copy_for_inline,
22537 copy_rtx_and_substitute, subst_constants, restore_constants):
22540 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22541 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22543 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22546 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22547 add_label_notes, replace_call_address, count_nonfixed_reads,
22548 invariant_p, find_single_use_in_loop, find_mem_givs,
22549 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22552 * print-rtl.c (reg_names, print_rtx): Likewise.
22554 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22556 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22557 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22558 print_blocks): Likewise.
22560 * regclass.c (fix_register, record_address_regs,
22561 reg_scan_mark_refs): Likewise.
22563 * regmove.c (stable_but_for_p): Likewise.
22565 * reload.c (loc_mentioned_in_p, operands_match_p,
22566 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22567 copy_replacements, refers_to_regno_for_reload_p,
22568 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22569 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22572 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22573 delete_address_reloads_1, count_occurrences,
22574 reload_cse_mem_conflict_p, reload_combine_note_use,
22575 add_auto_inc_notes): Likewise.
22577 * resource.c (mark_referenced_resources, mark_set_resources):
22580 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22581 reg_mentioned_p, regs_set_between_p, modified_between_p,
22582 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22583 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22584 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22585 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22587 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22589 * stupid.c (stupid_mark_refs): Likewise.
22591 * unroll.c (remap_split_bivs): Likewise.
22593 * varasm.c (mark_constants): Likewise.
22595 * a29k/a29k.c (uses_local_reg_p): Likewise.
22597 * alpha/alpha.c (summarize_insn): Likewise.
22599 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22600 eliminate_lr2ip): Likewise.
22602 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22604 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22605 reg_mentioned_in_mem): Likewise.
22607 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22608 symbolic_reference_mentioned_p): Likewise.
22610 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22612 * sh/sh.c (regs_used, mark_use): Likewise.
22614 * vax/vax.c (vax_rtx_cost): Likewise.
22616 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22618 * machmode.h (mode_name): Constify a char*.
22620 * rtl.c (mode_name): Likewise.
22622 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22624 * optabs.c (init_libfuncs): Constify a char*.
22626 * print-tree.c (mode_name): Remove redundant declaration.
22627 (print_node): Use accessor macro, not `mode_name'.
22629 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22631 (new_spill_reg): Constify a char*.
22633 * tree.c (mode_name): Remove redundant declaration.
22635 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22637 * rtl.c (rtx_name): Constify a char*.
22639 * rtl.h (rtx_name, fix_sched_param): Likewise.
22641 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22642 (mypr): Use accessor macro, not `rtx_name'.
22644 * genemit.c (print_code): Constify a char*.
22646 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22648 * genpeep.c (print_code): Constify a char*.
22650 * genrecog.c (print_code): Likewise.
22652 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22653 end_bb): Add static prototype.
22654 (draw_edge): Constify a char*.
22655 (end_bb): Remove unused parameter.
22657 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22658 print_block_visualization): Constify a char*.
22660 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22662 * c-common.c (c_get_alias_set): Update comment.
22664 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22666 * linux.h (LIB_SPEC): Added.
22668 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22670 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22672 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22674 * tree.c (expr_check): Fix typo in last change.
22676 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22678 * rtl.def (NOTE): Change format to "iuu0n".
22679 (ADDR_DIFF_VEC): Change format to "eEee0".
22680 (ADDRESSOF): Change format to "eit".
22682 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22683 (RTVEC_ELT): Change to match.
22684 (XVECEXP): Use XVEC and RTVEC_ELT.
22685 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22686 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22687 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22688 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22689 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22690 (INTVAL): Use XWINT.
22691 (ADDRESSOF_DECL): Use XTREE.
22692 (SET_ADDRESSOF_DECL): Delete.
22693 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22694 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22695 ifdefed out since 2.6 at least.
22696 (gen_rtvec_vv): Delete prototype.
22698 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22700 (copy_most_rtx): Handle 't' format letter.
22701 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22702 (gen_rtvec_vv): Delete function. All callers changed to use
22703 gen_rtvec_v instead.
22704 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22705 the '0' format letter.
22707 * function.c (gen_mem_addressof): Don't use
22708 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22710 * integrate.c (copy_rtx_and_substitute): Likewise.
22711 Copy 't' slots with XTREE.
22712 (subst_constants): Treat 't' slots like '[swi]' slots.
22713 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22714 * jump.c (rtx_equal_for_thread_p): Likewise.
22715 * rtlanal.c (rtx_equal_p): Likewise.
22716 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22717 only four arguments.
22718 * gengenrtl.c (type_from_format): Provide correct types for
22722 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22723 If a recent gcc is in use (always in stage2 and beyond), use
22724 statement expressions, so we don't make a function call unless
22725 the check fails. Evaluate arguments exactly once.
22726 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22727 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22729 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22730 they evaluate their arguments exactly once, irrespective of
22731 the compiler in use.
22733 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22734 is used by the currently-enabled check macros. This is:
22735 (tree_check_failed, tree_class_check_failed): For gcc.
22736 (tree_check, tree_class_check, cst_or_constructor_check,
22737 expr_check): For other compilers.
22739 * gencheck.c: Do not define any *_CHECK1 macros.
22741 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22742 Mark Mitchell <mark@codesourcery.com>
22744 * c-common.c (c_get_alias_set): Fix support for poitners and
22747 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22749 * alias.c: Include tree.h.
22750 (nonlocal_reference_p, mark_constant_function): New functions.
22751 * flow.c (life_analysis): Call mark_constant_function.
22752 * rtl.h (mark_constant_function): Declare it.
22754 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22756 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22757 unrecognisable switches.
22759 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22761 * loop.c (recombine_givs): Set ix field after sorting.
22762 (recombine_givs): Remove bogus index / giv lockstep looping.
22764 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22766 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22768 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22769 (do_cmp_and_jump): Formatting fixes.
22770 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22771 do_compare_rtx_and_jump instead of compare_from_rtx.
22772 (do_compare_rtx_and_jump): New function; mostly copied from
22774 (do_jump_for_compare): Delete.
22775 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22777 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22778 of compare/do_jump_for_compare pairs.
22779 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22780 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22781 compare_from_rtx/do_jump_for_compare pairs.
22782 (do_jump_by_parts_equality): Likewise.
22783 (do_jump_by_parts_equality_rtx): Likewise.
22784 * expr.h (do_compare_rtx_and_jump): Declare.
22785 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22786 that used to be in emit_cmp_insn.
22787 (cmp_available_p): New function.
22788 (prepare_operand): New function.
22789 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22790 to be in emit_cmp_insn.
22791 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22792 parameters to be pointers; don't emit final compare but modify some of
22793 the values pointed to by the args so the caller can perform the
22794 correct comparison.
22795 (expand_binop): Call emit_store_flag_force with signed forms of
22797 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22798 emit_jump_insn pair.
22799 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22800 emit_cmp_and_jump_insn_1. Call emit_queue.
22801 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22803 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22804 jump sets cc0 before deleting it.
22805 * integrate.c (expand_inline_function): Likewise.
22806 * unroll.c (unroll_loop): Similar changes in several places.
22807 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22808 before deleting it.
22810 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22812 * Makefile.in (insn-recog.o): Update dependencies.
22813 * genrecog.c (main): Make generated file include "function.h".
22815 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22817 * cse.c (cse_insn): Call never_reached_warning when a jump is
22818 changed to be unconditional.
22819 * flags.h: Declare warn_notreached.
22820 * flow.c (delete_block): Call never_reached_warning when
22821 a block is deleted.
22822 * jump.c (delete_barrier_successors): Call never_reached_warning
22823 when we delete everything after a BARRIER.
22824 (never_reached_warning): New function.
22825 * rtl.h: Declare never_reached_warning.
22826 * toplev.c (warn_notreached): New variable.
22827 (lang_independent_options): Set warn_notreached
22828 when -Wunreachable-code.
22829 (compile_file): We need line numbers for -Wunreachable-code.
22831 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22833 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22834 * sched.c (insn_unit): Likewise.
22836 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22838 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22840 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22842 * flow.c (create_edge_list): Use xmalloc, not malloc.
22844 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22846 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22847 C-style comments. Do not lose the character before double slash.
22849 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22851 * basic-block.h (struct edge_list): Stucture to maintain a vector
22853 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22854 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22855 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22856 New function prototypes.
22857 * flow.c (create_edge_list): Function to create an edge list.
22858 (free_edge_list): Discards memory used by an edge list.
22859 (print_edge_list): Debug output showing an edge list.
22860 (verify_edge_list): Internal consistency check for an edge list.
22861 (find_edge_index): Function to find an edge index for a pred and succ.
22863 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22865 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22868 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22870 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22872 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22874 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22876 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22878 * toplev.c (rest_of_compilation): Allow machine dependent
22879 reorganisation pass to place information into the RTL dump
22880 file if it so wishes.
22882 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22884 * explow.c (hard_function_value): Use VOIDmode instead of
22886 * stmt.c (expand_return): Likewise.
22887 * stor-layout.c (get_best_mode): Likewise.
22889 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22890 emit call instead of emit_insn call.
22892 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22894 * configure.in: Handle --disable/enable-win32-registry.
22895 * install.texi: Document --disable/enable-win32-registry.
22896 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22897 (WIN32_REGISTRY_KEY): New macro.
22898 * prefix.c: Use to enable/disable win32-specific code.
22899 (lookup_key): Use versioned key.
22900 * configure: Regenerate.
22901 * config.in: Likewise.
22903 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22905 * cpplib.c (read_line_number): New fn, split out of...
22908 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22910 tree.c (lang_unsave_expr_now) : New.
22911 (unsave_expr_now): Call lang_unsave_expr_now.
22912 tree.h (lang_unsave_expr_now) : New.
22914 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22916 * toplev.c (flag_new_exceptions): On by default.
22918 1999-08-13 Michael Meissner <meissner@cygnus.com>
22920 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22922 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22924 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22925 INTEGER_TYPE with precision==1, it's __java_boolean.
22927 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22929 * global.c (prune_preferences): Move some invariants out of the
22932 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22934 * configure.in (alpha*-dec-osf*): Add osf5.
22936 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22938 * configure.in: Rework handling of ARM GNU/Linux slightly.
22939 (arm*-*-linux-gnuoldld): New target.
22940 * configure: Regenerate.
22941 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22942 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22943 * config/arm/linux-oldld.h: New file.
22944 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22945 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22947 * config/arm/linux-elf.h (ASM_SPEC): Define.
22948 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22949 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22950 for 26-bit APCS and old linker.
22951 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22953 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22954 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22955 don't define `arm' or `arm_elf'.
22956 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22957 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22959 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22961 * rtl.texi: Fix typo.
22963 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22965 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22967 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22969 * extend.texi (C++ Signatures): Remove node.
22970 * invoke.texi: Remove discussion of -fhandle-signatures,
22971 signature, sigof, __signature__, and __sigof__.
22973 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22975 * Makefile.in (JAVAGC): Removed.
22977 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22979 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22981 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22983 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22985 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22987 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22988 a register that is already known to be a pointer.
22990 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22992 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22993 * fixinc/inclhack.sh: Regenerated.
22994 * fixinc/fixincl.sh: Regenerated.
22996 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22998 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22999 Fix documentation of -ansi flag to describe its C++ behavior.
23000 Remove bogus reference to GCC 2.9.
23002 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23004 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23005 note if it is non-NULL.
23007 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23009 * except.h (eh_nesting_info): Add new structure defintion.
23010 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23011 (reachable_handlers, update_rethrow_references): Add function
23013 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23014 a rethrow symbol instead of an integer exception region number.
23015 * flow.c (Make_edges): Use new exception nesting routines to determine
23016 which handlers are reachable from a CALL or asynchronous insn.
23017 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23019 (delete_eh_regions): Update rethrow labels, and don't delete
23020 regions which are the target of a rethrow.
23021 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23022 avoid overloading the SYMBOL_REF_USED flag.
23023 (rethrow_symbol_map): Use new rethrow_ref field.
23024 (rethrow_used): Use new rethrow_ref field.
23025 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23026 of an integer. Fix formatting.
23027 (output_exception_table_entry): Use new rethrow_ref field.
23028 (can_throw): Check for EH_REGION_NOTE before deciding
23029 whether a CALL can throw or not.
23030 (scan_region): Call rethrow_used() instead of accessing data structure.
23031 (update_rethrow_references): New function to make sure only regions
23032 which are still targets of a rethrow are flagged as such.
23033 (process_nestinfo): New static function to initialize a handler
23034 list for a specific region.
23035 (init_eh_nesting_info): New function to allocate and initialize
23036 the list of all EH handlers reachable from all regions.
23037 (reachable_handlers): New function to retrieve the list of handlers
23038 reachable from a specific region and insn.
23039 (free_eh_nesting_info): New function to dispose of a list of
23040 reachable handlers.
23042 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23044 * flow.c (split_edge): Set JUMP_LABEL field.
23045 (commit_one_edge_insertion): Set head correctly for insert_before.
23046 When inserting insns, update insn block numbers if allocated.
23048 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23050 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23051 retry_incomplete_types): Add static prototype.
23052 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23053 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23054 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23055 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23056 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23059 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23060 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23062 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23064 * output.h (assemble_name): Constify a char*.
23066 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23067 assemble_variable, assemble_name): Likewise.
23069 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23071 * arm/pe.c (arm_pe_unique_section): Likewise.
23073 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23075 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23077 * i386/interix.c (i386_pe_unique_section): Likewise.
23079 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23081 * i386/winnt.c (i386_pe_unique_section): Likewise.
23083 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23085 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23087 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23089 * pa/pa.c (output_call): Likewise.
23091 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23093 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23095 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23098 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23101 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23103 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23104 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23106 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23108 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23110 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23112 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23114 * tree.h (lang_identify): Constify a char*.
23115 (print_error_function): Add extern prototype. Constify a char*.
23117 * c-lang.c (lang_identify): Constify a char*.
23119 * objc/objc-act.c (lang_identify): Constify a char*.
23121 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23123 * genpeep.c (main): Make generated file include "function.h".
23124 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23126 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23128 * Makefile.in: Update dependencies.
23129 * alias.c: Include "function.h"
23130 * c-decl.c: Likewise.
23131 * caller-save.c: Likewise.
23132 * calls.c: Likewise.
23133 * combine.c: Likewise.
23135 * explow.c: Likewise.
23136 * final.c: Likewise.
23137 * global.c: Likewise.
23138 * graph.c: Likewise.
23139 * local-alloc.c: Likewise.
23140 * loop.c: Likewise.
23141 * optabs.c: Likewise.
23142 * profile.c: Likewise.
23143 * recog.c: Likewise.
23144 * regclass.c: Likewise.
23145 * regmove.c: Likewise.
23146 * reload.c: Likewise.
23147 * reorg.c: Likewise.
23148 * resource.c: Likewise.
23149 * sched.c: Likewise.
23150 * stupid.c: Likewise.
23151 * config/1750a/1750a.c: Likewise.
23152 * config/a29k/a29k.c: Likewise.
23153 * config/arc/arc.c: Likewise.
23154 * config/arm/arm.c: Likewise.
23155 * config/arm/thumb.c: Likewise.
23156 * config/c4x/c4x.c: Likewise.
23157 * config/clipper/clipper.c: Likewise.
23158 * config/convex/convex.c: Likewise.
23159 * config/fx80/fx80.c: Likewise.
23160 * config/i860/i860.c: Likewise.
23161 * config/m68k/m68k.c: Likewise.
23162 * config/m88k/m88k.c: Likewise.
23163 * config/mips/mips.c: Likewise.
23164 * config/pdp11/pdp11.c: Likewise.
23165 * config/pyr/pyr.c: Likewise.
23166 * config/romp/romp.c: Likewise.
23167 * config/sh/sh.c: Likewise.
23168 * config/tahoe/tahoe.c: Likewise.
23169 * config/vax/vax.c: Likewise.
23170 * config/we32k/we32k.c: Likewise.
23171 * config/sparc/sparc.c: Include "function.h".
23172 (mem_min_alignment): Test current_function rather than
23173 regno_pointer_align.
23174 * config/pa/pa.c: Likewise.
23175 (compute_frame_size): Delete declaration of
23176 current_function_outgoing_args_size.
23177 * config/arc/arc.h (current_function_varargs): Delete declaration.
23178 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23180 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23182 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23183 current_function_uses_pic_offset_table.
23184 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23185 of current_function_returns_pointer.
23186 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23187 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23188 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23189 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23190 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23191 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23192 * config/m88k/m88k.c: Include "function.h"
23193 (call_used_regs, current_function_pretend_args_size,
23194 current_function_outgoing_args_size, frame_pointer_needed): Delete
23196 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23198 * config/mips/mips.h (current_function_calls_alloca): Delete
23200 * config/mn10200/mn10200.h (current_function_needs_context,
23201 rtx_equal_function_value_matters): Delete declarations.
23202 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23203 flag_pic): Delete declarations.
23204 * config/pa/pa.h (current_function_pretend_args_size,
23205 current_function_decl): Delete declarations.
23206 * config/pa/som.h (current_function_varargs): Delete declaration.
23207 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23209 * config/pyr/pyr.h (current_function_pretend_args_size,
23210 current_function_args_size, current_function_calls_alloca): Delete
23212 * config/sh/sh.h (current_function_varargs): Delete declaration.
23213 * config/sparc/sparc.h (current_function_outgoing_args_size,
23214 current_function_calls_alloca, current_function_decl): Delete
23216 * config/spur/spur.h (current_function_pretend_args_size,
23217 current_function_calls_alloca): Delete declarations.
23218 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23220 * config/vax/vms.h (current_function_name): Delete declaration.
23221 * gcse.c: Include "function.h".
23222 (current_function_name, current_function_calls_setjmp): Delete
23224 * haifa-sched.c: Include "function.h".
23225 (forced_labels): Delete declaration.
23226 * jump.c: Likewise.
23227 * reg-stack.c: Likewise.
23228 * reload1.c: Likewise.
23229 * genemit.c (main): Make generated file include function.h.
23230 * genoutput.c (output_prologue): Likewise.
23232 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23233 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23234 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23235 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23236 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23237 macros for some of them.
23238 (emit_filename, emit_lineno): Delete declarations.
23239 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23240 regno_pointer_* variables through current_function.
23241 (gen_inline_header_rtx): Delete function.
23242 (save_emit_status): Delete function.
23243 (set_new_last_label_num): New function.
23244 (clear_emit_caches): New function.
23245 (restore_emit_status): Just clear last_labelnum and call
23247 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23248 through macro seq_stack.
23249 (add_insn_after): Likewise.
23250 (add_insn_before): Likewise.
23251 (remove_insn): Likewise.
23252 (pop_topmost_sequence): Likewise.
23253 (in_sequence_p): Likewise.
23254 (start_sequence_for_rtl_expr): Likewise.
23255 (start_sequence): Likewise, and likewise for
23256 sequence_rtl_expr/seq_rtl_expr.
23257 (push_topmost_sequence): Likewise.
23258 (end_sequence): Likewise.
23259 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23260 All callers changed. Store into that pointer instead of globals.
23261 (init_emit): Allocate emit elt of current_function.
23262 Changes for sequence_rtl_expr/sequence_stack renaming.
23263 Call clear_emit_caches instead of doing it in-line.
23264 Access regno_pointer_* variables through current_function.
23265 (init_emit_once) Don't clear sequence_stack.
23267 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23269 (arg_pointer_save_area): Delete declaration.
23270 (finish_expr_for_function): Renamed from init_queue; no longer static.
23271 (init_expr): Don't call init_queue.
23272 (save_expr_status, restore_expr_status): Delete functions.
23273 (expand_expr): Changes to reflect new layout of struct function.
23274 Don't access current_function_check_memory_usage when current_function
23276 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23277 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23278 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23279 current_function_uses_const_pool, function_call_count,
23280 current_function_uses_pic_offset_table, nonlocal_labels,
23281 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23282 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23283 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23285 (finish_expr_for_function): Declare.
23286 * flags.h (current_function_has_nonlocal_label,
23287 current_function_has_nonlocal_goto, current_function_is_thunk,
23288 current_function_has_computed_jump): Delete declarations.
23289 * flow.c (forced_labels): Delete declaration.
23290 * function.c (current_function_pops_args,
23291 current_function_returns_struct, current_function_returns_pcc_struct,
23292 current_function_needs_context, current_function_calls_setjmp,
23293 current_function_calls_longjmp, current_function_has_nonlocal_label,
23294 current_function_has_nonlocal_goto, current_function_is_thunk,
23295 current_function_has_computed_jump, current_function_calls_alloca,
23296 current_function_contains_functions, current_function_returns_pointer,
23297 current_function_epilogue_delay_list, current_function_args_size,
23298 current_function_pretend_args_size, current_function_arg_offset_rtx,
23299 current_function_outgoing_args_size, current_function_varargs,
23300 current_function_stdarg, current_function_args_info, cleanup_label,
23301 current_function_name, current_function_uses_const_pool,
23302 current_function_instrument_entry_exit, current_function_return_rtx,
23303 current_function_uses_pic_offset_table, nonlocal_labels,
23304 current_function_internal_arg_pointer, current_function_cannot_inline,
23305 current_function_check_memory_usage, function_call_count,
23306 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23307 nonlocal_goto_stack_level, return_label, save_expr_regs,
23308 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23309 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23310 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23311 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23312 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23314 (push_function_context_to): Don't save them. Don't call
23315 save_storage_status, save_emit_status or save_expr_status.
23316 (pop_function_context_from): Don't restore them. Don't call
23317 restore_storage_status or restore_expr_status.
23318 (get_func_frame_size): New function.
23319 (get_frame_size): Use it.
23320 (assign_outer_stack_local): Reflect some member name changes in struct
23322 (put_reg_into_stack): Likewise.
23323 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23325 (fixup_var_refs): Likewise.
23326 (fix_lexical_addr): Likewise.
23327 (trampoline_address): Likewise.
23328 (prepare_function_start): Clear field inlinable of current_function.
23329 (init_function_for_compilation): New function.
23330 (expand_dummy_function_end): New function.
23331 (expand_function_end): Call finish_expr_for_function.
23332 * function.h (struct emit_status): New; fields moved here from struct
23333 function and from global variables. Add accessor macros for some of
23335 (struct expr_status): Likewise.
23336 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23337 (struct function): Add fields expr and emit, inlinable, inl_emit,
23338 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23339 inl_max_label_num. Add many comments.
23340 Add accessor macros for all elts of struct function that no longer
23341 have a global variable.
23342 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23343 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23344 stack_slot_list): Delete declarations.
23345 (get_func_frame_size): Declare.
23346 (save_expr_status, restore_expr_status, save_emit_status,
23347 save_storage_status, restore_storage_status): Delete declarations.
23348 (init_virtual_regs): Declare.
23349 * output.h (current_function_pops_args,
23350 current_function_returns_struct, current_function_returns_pcc_struct,
23351 current_function_needs_context, current_function_calls_setjmp,
23352 current_function_calls_longjmp, current_function_calls_alloca,
23353 current_function_has_nonlocal_label, current_function_varargs,
23354 current_function_has_computed_jump, current_function_returns_pointer,
23355 current_function_contains_functions, current_function_args_size,
23356 current_function_pretend_args_size, current_function_stdarg,
23357 current_function_outgoing_args_size, current_function_args_info,
23358 current_function_name, current_function_return_rtx,
23359 current_function_epilogue_delay_list,
23360 current_function_uses_const_pool, current_function_cannot_inline):
23361 Delete declarations.
23362 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23363 regno_reg_rtx): Delete declaration.
23364 (REGNO_POINTER_FLAG): Delete macro.
23365 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23366 function were renamed.
23367 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23369 * toplev.c: Include "function.h".
23370 (current_function_decl): Delete declaration.
23371 (compile_file): Call init_dummy_function_start and
23372 expand_dummy_function_end around some initializations that need to
23374 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23375 Call init_function_for_compilation.
23376 * unroll.c: Include "function.h"
23377 (unroll_loop): Access regno_pointer_* variables through
23380 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23381 (DECL_SAVED_INSNS): use it.
23382 (expand_dummy_function_end): Declare.
23383 (init_function_for_compilation): Declare.
23384 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23385 that it's no longer an INLINE_HEADER.
23386 (expand_call): Likewise.
23387 * integrate.c (finish_inline): Delete function.
23388 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23389 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23390 args. Don't generate an INLINE_HEADER rtx, just return the arg
23391 vector. All callers changed.
23392 (save_for_inline_copying): Create a duplicate struct emit_status to
23393 hold the emit state for compiling the current function. Use this and
23394 the other new fields in struct function that are for integration
23395 instead of an INLINE_HEADER.
23396 Use memcpy instead of bcopy.
23397 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23398 (save_for_inline_nocopy): Similar changes, except no new emit_status
23400 (expand_inline_function): Get information from function structure,
23401 not from an inline header rtx.
23402 (output_inline_function): Lose code to extract the necessary
23403 information from an inline header; simply put back the function
23404 structure into current_function. Clear its inlinable elt.
23405 * rtl.def (INLINE_HEADER): Delete.
23406 * rtl.h: Delete all accessors for an INLINE_HEADER.
23407 (gen_inline_header_rtx): Delete declaration.
23408 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23409 Delete declarations.
23410 (REGNO_POINTER_ALIGN): Delete.
23411 (clear_emit_caches): Declare.
23412 (set_new_last_label_num): Declare.
23414 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23416 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23418 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23419 * stmt.c (is_eh_region): Make sure current_function is present, too.
23421 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23423 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23424 for 64bit PA targets.
23426 * pa.h (SELECT_SECTION): Define.
23427 * som.h (SELECT_SECTION): Delete.
23429 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23431 * alias.c (init_alias_analysis): Wrap call to
23432 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23434 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23436 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23437 <sys/asm.h> contains an asm comment with an apostrophe
23438 * fixinc/inclhack.sh: regen
23439 * fixinc/fixincl.x: regen
23441 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23443 * function.c (init_function_start): Clear prologue & epilogue.
23444 (prologue_epilogue_contains): New function.
23445 * alias.c (init_alias_analysis): Use it.
23446 * rtl.h (prologue_epilogue_contains): Declare it.
23448 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23450 * jump.c (onlyjump_p): New function.
23451 * rtl.h: Declare it.
23452 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23453 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23455 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23457 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23458 to invert loops. Simplify block scanning.
23460 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23462 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23463 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23465 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23467 * config/sparc/liteelf.h: New file to support sparclite-elf target
23468 * config/sparc/t-sp86x: New file to support sparc86x targets
23469 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23470 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23471 * configure.in: Support above target triplets
23472 * configure: Regenerated
23474 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23476 * fixinc/server.c (server_setup): Do not prefix function used as
23477 parameter with `&'.
23479 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23481 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23482 Remove fp reg alternatives.
23484 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23486 * Makefiin (TAROUTOPTS): Kill.
23487 (install-headers-tar): Use "xpf" for tar headerfile extraction
23488 * i370/x-oe (TAROUTOPTS): Delete.
23489 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23490 * m68k/x-hp320 (TAROUTOPTS): Delete.
23491 * m68k/x-hp320g (TAROUTOPTS): Delete.
23492 * gcc.texi: Update bug reporting text.
23494 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23496 * reg-stack.c (change_stack) Fixed problem with negative array index.
23498 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23500 * extend.texi, install.texi: Fix spelling mistakes.
23502 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23503 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23504 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23505 PREMADE_ATTRTAB_MD.
23506 * mips/t-ecoff: Likewise.
23507 * mips/t-elf: Likewise.
23508 * mips/t-mips: Likewise.
23509 * mips/t-osfrose: Likewise.
23510 * mips/t-r3900: Likewise.
23511 * mips/t-svr3: Likewise.
23512 * mips/t-svr4: Likewise.
23513 * mips/t-ultrix: Likewise.
23515 * gcc.texi: Document recommend means to provide software floating
23516 point libraries in libgcc.a
23518 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23520 * c-lex.c (yylex): We can have a number with no digits.
23522 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23524 * jump.c (delete_prior_computation): New function, broken
23525 out of delete_computation. Check for side effects with
23526 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23527 multi-word hard registers.
23528 (delete_computation): Use it. Check for side effects with
23529 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23530 missing REG_DEAD note for a register which is both set and
23533 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23535 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23536 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23537 (ASM_FILE_START): Import _mcount with the right type.
23538 (ASM_DECLARE_FUNCTION_NAME): Define.
23539 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23540 * pa.c (output_function_prologue): Always emit the function's label
23542 * pa.h (TEXT_SPACE_P): Define.
23543 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23544 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23545 * som.h (TEXT_SPACE_P): Delete.
23546 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23547 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23549 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23551 * expr.c (emit_group_load): Allow src to be a CONCAT.
23553 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23555 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23556 (___mulsi3): Use '!' comment character.
23558 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23560 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23562 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23564 * gcc.c: Update URLs and mail addresses.
23565 * gcc.texi: Likewise.
23567 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23569 * rs6000.c (current_file_function_operand): Return zero for
23571 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23573 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23576 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23578 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23579 allocate space in the stack frame for the PIC register.
23581 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23583 * m68k.md (xordi3, anddi3): These patterns are not available on
23586 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23588 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23589 (PUT_REAL): Likewise.
23591 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23593 * final.c (shorten_branches): Don't add an alignment for loops
23594 that have no label inside.
23596 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23598 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23599 prototypes in macro HAVE_cmpstrsi.
23601 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23603 * emit-rtl.c (operand_subword): Remove unused variable
23606 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23608 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23610 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23612 * cpphash.c (macroexpand): Delete leading whitespace when arg
23613 is concatenated before.
23614 (unsafe_chars): Correct test for whether + and - can extend a
23617 * cppinit.c (cpp_start_read): Do dependencies for
23618 -include/-imacros files also.
23620 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23621 tokenizing non-directive lines.
23622 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23623 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23626 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23628 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23630 * c-lex.c: Sync with C++ frontend.
23631 (linemode): New variable.
23632 (parse_float): imag, conversion_errno, and type are output only.
23633 (yylex): Adjust. Move initial '.' case into main switch.
23635 (handle_generic_pragma): Just deal with tokens.
23636 (readescape): Use ISXDIGIT and ISGRAPH.
23637 * c-parse.in: Add END_OF_LINE token.
23639 * c-lex.c (lang_init): Generalize.
23640 (nextchar): Remove. Replace uses with UNGETC.
23641 (skip_white_space): Handle linemode here. Optimize for cpplib.
23642 (skip_white_space_on_line): Remove.
23643 (extend_token_buffer_to): New fn.
23644 (extend_token_buffer): Use it.
23645 (read_line_number, check_newline): Just deal with tokens.
23646 (token_getch, token_put_back): New fns.
23647 (yylex): Use them. More cpplib optimizations. Simplify.
23649 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23650 Jason Merrill <jason@yorick.cygnus.com>
23652 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23653 (consume_string): Make this smart about USE_CPPLIB.
23654 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23655 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23656 Also, clean up cases where we redundantly set token_buffer[0].
23657 (read_line_number): New fn.
23658 (ignore_escape_flag): New variable.
23660 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23662 * a29k/t-a29kbare: Fix some comments.
23663 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23664 (FPBIT, DPBIT): Define.
23665 * a29k/t-vx29k: Likewise.
23666 * arc/t-arc: Likewise.
23667 * arm/t-arm-elf: Likewise.
23668 * arm/t-bare: Likewise.
23669 * arm/t-pe: Likewise.
23670 * arm/t-pe-thumb: Likewise.
23671 * arm/t-semi: Likewise.
23672 * arm/t-thumb: Likewise.
23673 * arm/t-thumb-elf: Likewise.
23674 * arm/t-thumb-linux: Likewise.
23675 * h8300/t-h8300: Likewise.
23676 * i960/t-i960: Likewise.
23677 * i960/t-vxworks960: Likewise.
23678 * m32r/t-m32r: Likewise.
23679 * mips/t-ecoff: Likewise.
23680 * mips/t-elf: Likewise.
23681 * mips/t-r3900: Likewise.
23682 * pa/t-pro: Likewise.
23683 * rs6000/t-aix43: Likewise.
23684 * rs6000/t-beos: Likewise.
23685 * rs6000/t-newas: Likewise.
23686 * rs6000/t-ppccomm: Likewise.
23687 * rs6000/t-rs6000: Likewise.
23688 * rs6000/t-winnt: Likewise.
23689 * rs6000/t-xnewas: Likewise.
23690 * rs6000/t-xrs6000: Likewise.
23691 * sh/t-sh: Likewise.
23692 * sparc/t-elf: Likewise.
23693 * sparc/t-sparcbare: Likewise.
23694 * sparc/t-sparclite: Likewise.
23695 * sparc/t-splet: Likewise.
23696 * v850/t-v850: Likewise.
23697 * mn10200/t-mn10200: Fix comments.
23698 * mn10300/t-mn10300: Likewise.
23700 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23701 dummy operand. Allocate a new pseudo for the dummy operand.
23702 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23704 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23706 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23708 * configure: Rebuilt.
23709 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23711 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23713 * recog.c (preproces_constraints): Zero recog_op_alt before
23714 processing the constraints.
23716 * arm.c (typedef minipool_node): Renamed from pool_node.
23717 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23718 (add_minipool_constant): New function.
23719 (dump_minipool): New function.
23720 (find_barrier): Remove special case for getting the insn size of
23721 an insn that references the constant pool.
23722 (minipool_fixup): New structure.
23723 (push_minipool_barrier): New function.
23724 (push_minipool_fix): New function.
23725 (note_invalid_constants): New function.
23726 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23727 (arm_reorg): Rewrite code to fix up the constant pool into a
23728 series of mini-pools embedded in the insn stream.
23729 (arm_output_epilogue): New function, made mainly from the body
23730 of output_func_epilogue.
23731 (output_func_epilogue): Move insn generation part of epilogue code
23732 to arm_output_epilogue.
23733 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23734 * arm.md (pool_range): New attribute.
23735 (zero_extendqidi2): Add attribute pool_range.
23736 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23737 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23738 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23739 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23740 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23741 (epilogue): New expand.
23742 (epilogue_insn): New insn. Call arm_output_epilogue.
23744 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23745 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23747 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23749 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23751 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23753 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23755 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23757 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23759 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23761 * global.c: Fix comment.
23763 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23765 * gcc.c (access_check): New static function.
23766 (find_a_file): Use it when searching a directory list.
23767 * collect2.c (find_a_file): Don't accept directories found when
23768 searching a directory list.
23770 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23772 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23773 function parameters with `&'.
23774 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23776 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23778 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23779 or tidy_fallthru_edge if the last insn in the block is not
23780 an unconditional jump or a simple conditional jump.
23782 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23784 * Makefile.in (c-decl.o): Depends on defaults.h.
23786 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23788 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23790 (CLASS_MAX_NREGS): Likewise.
23792 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23794 * cse.c (cse_insn): Fix dumb thinko in last change.
23796 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23798 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23801 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23803 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23804 test for sizes of passed and declared parameter types.
23806 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23808 * fixincludes: Fix the return type of bsearch, char* -> void*.
23810 * fixinc/inclhack.def: Likewise.
23812 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23814 * invoke.texi (-fdump-translation-unit): New option.
23816 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23818 * expr.h (PROMOTE_PROTOTYPES): Move ...
23819 * defaults.h: ... to here.
23820 * c-decl.c: Include defaults.h instead of expr.h.
23821 * c-typeck.c: Include defaults.h.
23823 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23825 * toplev.h (errorcount): Declare.
23826 (warningcount): Likewise.
23827 (sorrycount): Likewise.
23828 * c-lex.c (errorcount): Don't declare.
23829 * dwarf2out.c (errorcount): Don't declare.
23831 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23833 * config/libgloss.h: Add a note discouraging use with ELF.
23834 * configure.in: Don't use libgloss.h for ELF targets.
23835 Always use_collect2 on a.out targets.
23837 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23839 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23840 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23842 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23844 * loop.c (strength_reduce): When doing biv->giv conversion, update
23845 reg note of NEXT->insn.
23847 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23849 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23851 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23853 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23854 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23855 Ensure expr.h is included.
23856 * c-typecheck.c (convert_arguments): Ditto.
23858 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23860 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23861 * config/convex/convex.h: Ditto.
23862 * config/dsp16xx/dsp16xx.h: Ditto.
23863 * config/fx80/fx80.h: Ditto.
23864 * config/gmicro/gmicro.h: Ditto.
23865 * config/i370/i370.h: Ditto.
23866 * config/i386/i386.h: Ditto.
23867 * config/m32r/m32r.h: Ditto.
23868 * config/m68k/m68k.h: Ditto.
23869 * config/m88k/m88k.h: Ditto.
23870 * config/mips/mips.h: Ditto.
23871 * config/pa/pa.h: Ditto.
23872 * config/pyr/pyr.h: Ditto.
23873 * config/tahoe/tahoe.h: Ditto.
23874 * config/we32k/we32k.h: Ditto.
23876 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23877 based on arch size.
23879 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23881 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23884 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23886 1999-08-02 Richard Henderson <rth@cygnus.com>
23888 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23889 for the register spill block.
23890 (m32r_va_arg): New.
23891 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23892 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23894 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23895 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23896 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23898 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23900 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23901 MAX_WCHAR_TYPE defined in sparc.h.
23902 * config/sparc/linuxaout.h: Likewise.
23903 * config/sparc/linux64.h: Likewise.
23904 Also default to -mvis if CPU is UltraSPARC.
23906 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23908 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23909 (RTX_OK_FOR_OLO10): Likewise.
23910 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23911 %lo(), allow it in addresses...
23912 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23913 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23914 does not make sense.
23915 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23916 (sparc_output_scratch_registers): New function.
23917 (output_function_prologue, sparc_flat_output_function_prologue): Use
23919 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23921 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23922 * configure.in: Add check for .register pseudo-op support in as and
23923 check for offsetable %lo().
23924 * acconfig.h: Add templates for the above checks.
23925 * configure: Regenerate.
23927 1999-08-02 Richard Henderson <rth@cygnus.com>
23929 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23930 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23931 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23933 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23935 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23938 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23940 * config/float-sparc.h: New file.
23941 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23942 sparc-*-linux-gnu and sparc64-*-linux*.
23944 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23946 * rs6000.c (rs6000_va_list): Type is an array.
23947 (rs6000_va_start): Don't doubly adjust for varargs.
23948 (rs6000_va_arg): Evaluate long long GPR adjustment.
23950 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23952 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23953 -maix64 and -maix32.
23954 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23955 LINK_SPEC): Change appropriately.
23956 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23957 (u_short_cint_operand): Likewise.
23958 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23960 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23962 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23964 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23966 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23967 for type promotion.
23968 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23969 (non_add_cint_operand): Likewise.
23970 (logical_operand): Likewise.
23971 (non_logical_cint_operand): Likewise.
23972 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23973 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23974 (rs6000_select_rtx_section): Suppress warning.
23975 (small_data_operand): Suppress warning.
23976 (rs6000_got_register): Suppress warning.
23977 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23978 type, so `J' is generally the wrong constraint for a SImode value;
23980 (andsi3_internal2): Likewise.
23981 (andsi3_internal3): Likewise.
23982 (iorsi3_internal1): Likewise.
23983 (xorsi3_internal1): Likewise.
23985 (movsf_softfloat): Likewise.
23986 (scc insns): Likewise.
23987 (movsi+2): Preserve sign bits of SImode constant.
23988 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23989 (movdf+1): Sign-extend properly.
23990 (movdi_32+1): Sign-extend properly.
23991 (scc insns): Sign-extend properly.
23993 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23996 1999-08-02 Richard Henderson <rth@cygnus.com>
23998 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23999 -mcpu parsing code.
24000 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24001 * alpha.md (all fp insns): Likewise.
24003 1999-08-02 Nick Clifton <nickc@cygnus.com>
24005 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24008 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24010 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24011 pic_load_label generator directly.
24012 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24013 No longer a named pattern.
24015 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24017 * explow.c (force_reg): Call force_operand if X does not
24018 satisfy general_operand.
24020 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24022 * fix-header.c (main): When testing for CONTINUED, use string
24023 equality, not pointer equality.
24025 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24027 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24029 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24031 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24032 that has become an unconditional jump.
24034 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24035 (output_function_epilogue): Similarly.
24037 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24039 * tree.h (init_dummy_function_start): Declare.
24041 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24043 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24044 last_expr_type, last_expr_value, block_start_count, block_stack,
24045 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24046 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24047 dynamically in stmt elt of struct function for each function.
24048 (struct nesting): Rename function_call_count elt to n_function_calls,
24049 target_temp_slot_level to block_target_temp_slot_level. All users
24051 (struct stmt_status): New structure definition.
24052 Add many accessor macros for stmt_status elements which previously
24053 were global variables.
24054 (init_stmt_for_function): Allocate stmt elt for current_function.
24055 Reflect that block_start_count was renamed to
24056 current_block_start_count.
24057 (save_stmt_status, restore_stmt_status): Delete functions.
24058 (preserve_subexpressions_p): Don't access loop_stack when outside
24060 (expand_start_bindings): Reflect that block_start_count was renamed to
24061 current_block_start_count.
24062 (expand_fixup): Likewise.
24063 (expand_decl): Don't access block_stack when outside a function.
24064 (expand_decl_cleanup): Likewise.
24065 (expand_dcc_cleanup): Likewise.
24066 (expand_dhc_cleanup): Likewise.
24067 (expand_anon_union_decl): Likewise.
24068 (set_file_and_line_for_stmt): New function.
24069 (in_control_zone_p): New function.
24071 * function.h (struct function): Add new elt stmt.
24072 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24073 case_stack, nesting_stack, nesting_depth, block_start_count,
24074 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24075 emit_lineno, goto_fixup_chain.
24076 (save_eh_status, restore_eh_status, save_stmt_status,
24077 restore_stmt_status): Delete declarations.
24078 * function.c (push_function_context_to): Don't call save_stmt_status.
24079 (pop_function_context_to): Don't call restore_stmt_status.
24080 * tree.h (in_control_zone_p): Declare.
24081 * rtl.h (set_file_and_line_for_stmt): Declare.
24083 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24084 call set_file_and_line_for_stmt.
24086 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24088 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24089 Also update copyright.
24091 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24093 * c-pragma.c: Don't include "except.h".
24094 * emit-rtl.c: Likewise.
24095 * stor-layout.c: Likewise.
24096 * tree.c: Likewise.
24097 * varasm.c: Likewise.
24099 * flow.c: Include "function.h".
24100 * tree.h (init_dummy_function_start): Declare new function.
24102 * except.h (struct eh_status): New structure.
24103 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24105 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24106 catch_clauses, false_label_stack, caught_return_label_stack,
24107 protect_list, current_function_ehc): Add accessor macros for the
24108 corresponding fields in current_function->eh; delete declarations
24109 for all items that used to be declared here.
24110 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24111 catch_clauses, false_label_stack, caught_return_label_stack,
24112 protect_list, current_function_ehc): Delete variables.
24113 (init_eh_for_function): Allocate current_function->eh.
24114 (save_eh_status, restore_eh_status): Delete functions.
24116 * function.h (struct function): Add fields next_global and eh.
24117 Delete all exception handling related fields.
24118 * function.c (current_function): New variable.
24119 (all_functions): New variable.
24120 (push_function_context_to): Don't allocate a struct function,
24121 use current_function instead. Call init_dummy_function_start when
24122 outside a function. Clear current_function before returning.
24123 (pop_function_context_from): Restore current_function.
24124 Don't free the restored struct function.
24125 (prepare_function_start): New function.
24126 (init_dummy_function_start): New function.
24127 (init_function_start): Break out some code into prepare_function_start
24130 * stmt.c (save_stmt_status): Don't call save_eh_status.
24131 (restore_stmt_status): Don't call restore_eh_status.
24133 * Makefile.in: Update dependencies.
24135 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24137 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24138 of depending on a magic constant value. Update comments.
24139 (hppa_expand_prologue): Similarly.
24141 * pa.md (reload_indi, reload_outdi): Allow any register for the
24142 original reload register.
24144 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24146 * cccp.c (print_help): Change marcos to macros.
24148 1999-07-30 Richard Henderson <rth@cygnus.com>
24150 * c-typeck.c (initializer_constant_valid_p): Move ...
24151 * c-common.c (initializer_constant_valid_p): ... here. Use
24152 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24153 of label addresses.
24154 * c-common.h (initializer_constant_valid_p): Declare.
24155 * c-tree.h (initializer_constant_valid_p): Remove.
24157 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24159 * config/i386/sol2-c1.asm: Align the stack.
24160 * config/i386/sol2-gc1.asm: Likewise.
24162 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24164 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24165 -Asparclite for sparc86x.
24166 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24168 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24170 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24172 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24173 the user if using the non-default arch size in BI_ARCH configuration.
24174 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24176 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24177 Fix patterns so that they actually match.
24178 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24179 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24180 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24182 (mulsidi3): Reflect this in the expand.
24183 (smulsi3_highpart): Only on TARGET_ARCH32.
24184 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24185 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24186 (umulsidi3): Reflect this in the expand.
24187 (umulsi3_highpart): Only on TARGET_ARCH32.
24188 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24189 don't require g0 to be zero.
24190 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24191 ({,u}divsi3): New expands.
24192 ({,u}divsi3_sp64): New patterns.
24193 (after lshrdi3_v8plus): Four new patterns to help combiner
24194 optimizing nested mixed mode shifts.
24196 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24197 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24198 speed things up. Don't use them by default on plain v9 in 64bit
24199 mode, according to what SPAMv9 sais.
24201 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24202 top 32 bits of %[og][0-7] in signal handlers.
24203 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24205 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24207 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24208 (ashlsi3): Corresponding changes.
24210 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24212 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24214 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24216 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24218 * arm.h (Hint): Delete macro.
24219 Substitute HOST_WIDE_INT for Hint in some prototypes.
24220 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24222 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24224 * builtins.c (expand_builtin_setjmp): Use force_operand to
24225 make sure that the buffer address is in a suitable form to be
24226 passed to force_reg.
24228 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24230 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24233 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24235 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24236 proper mode in the condition string.
24237 (icacheflush, dcacheflush): Remove modes from match_operands.
24239 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24240 proper mode before using it.
24242 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24245 * pa.c (store_reg): Do not call add_high_const generator directly.
24246 (load_reg, set_reg_plus_d): Likewise.
24247 * pa.md (add_high_const): No longer a named pattern.
24249 * pa.c (legitimize_address): Consistently use Pmode rather than
24250 SImode. Do not call gen_pic2_highpart directly anymore.
24251 * pa.md (pic2_highpart): No longer a named pattern.
24252 (pic2_lo_sum): Similarly. Reformat to make more readable.
24254 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24259 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24261 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24263 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24265 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24266 and tag the spill mems.
24267 (hppa_va_start): New.
24268 (hppa_va_arg): New.
24269 * pa.h (EXPAND_BUILTIN_VA_START): New.
24270 (EXPAND_BUILTIN_VA_ARG): New.
24272 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24274 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24275 and tag the spill mems.
24276 (mn10300_va_start): New.
24277 (mn10300_va_arg): New.
24278 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24279 (EXPAND_BUILTIN_VA_ARG): New.
24281 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24283 * mn10200.c (mn10200_va_arg): New.
24284 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24286 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24288 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24289 rather than play with TREE_INT_CST_LOW.
24291 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24293 * config/arm/telf.h: Include dbxelf.h.
24294 (CPP_PREDEFINES): Only define if not already defined.
24295 (ASM_IDENTIFY_GCC): Likewise.
24296 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24297 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24298 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24300 (DBX_DEBUGGING_INFO): Don't define.
24301 * config/arm/linux-telf.h: New file.
24302 * config/arm/linux-tgas.h: New file.
24303 * config/arm/t-thumb-linux: New file.
24304 * config/arm/uclinux-elf.h: New file.
24305 * config/arm/uclinux-telf.h: New file.
24306 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24307 thumb-*-uclinux): New targets.
24308 * configure: Regenerate.
24310 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24312 * pa.md (post_store, pre_load): New expanders.
24313 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24314 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24315 need to directly generate RTL for them.
24316 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24319 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24321 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24322 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24323 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24324 (secndary_reload_class): Make TARGET_ELF conditional compile.
24325 (print_operand_address): Similar.
24326 (output_toc): Print all values as hex.
24327 (get_issue_rate): Rearrange and add RS64A and PPC630.
24328 * rs6000.h (processor_type): Add RS64A and PPC630.
24329 (PROCESSOR_POWERPC64): New.
24330 (PROMOTE_MODE): Use word_mode.
24331 (RTX_COSTS): Add RS64A and PPC630.
24332 * rs6000.md (scheduling information): Add lmul and ldiv
24333 representing 64-bit integer multiply and divide. Add rs64a and
24334 PPC630 information.
24335 (ashldi3): Add support for "rldic" instruction.
24336 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24338 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24340 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24341 instead of V8 for sparclite86x in cpu_table.
24343 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24345 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24346 output_file_directive.
24348 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24350 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24351 tree for op1, not the rtl.
24353 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24355 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24356 to m88k_va_start, leaving only the register spill.
24357 (m88k_build_va_list): New.
24358 (m88k_va_start): New.
24359 (m88k_va_arg): New.
24360 * m88k.h (BUILD_VA_LIST_TYPE): New.
24361 (EXPAND_BUILTIN_VA_START): New.
24362 (EXPAND_BUILTIN_VA_ARG): New.
24364 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24366 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24367 Rename from expand_builtin_saveregs.
24368 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24370 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24372 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24373 for the register spill block.
24374 (i960_build_va_list): New.
24375 (i960_va_start): New.
24376 (i960_va_arg): New.
24377 * i960.h (BUILD_VA_LIST_TYPE): New.
24378 (EXPAND_BUILTIN_VA_START): New.
24379 (EXPAND_BUILTIN_VA_ARG): New.
24380 * i960.md (store_multiple): Use change_address on individul mems.
24382 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24384 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24386 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24387 (expand_builtin_va_end): Evaluate arg for side effects.
24388 * c-common.c (c_common_nodes_and_builtins): Construct a
24389 va_list_arg_type_node to handle array decomposition to pointer.
24391 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24393 * except.c (st_dynamic_cleanup): Use force_operand on the
24396 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24398 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24399 * c4x.c (c4x_va_arg): New.
24401 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24403 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24404 has manual_pop set.
24406 1999-07-26 Nathan Sidwell <nathan@acm.org>
24408 * eh-common.h (__eh_matcher): Prototype correctly.
24410 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24412 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24413 (TARGET_SINGLE_PIC_BASE): Likewise.
24414 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24416 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24417 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24418 (TARGET_OPTIONS): Add -mpic-register=N.
24419 (OUTPUT_INT_ADDR_CONST): New macro.
24420 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24421 LEGITIMATE_PIC_OPERAND_P): Likewise.
24422 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24423 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24424 output_addr_const directly.
24425 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24427 (thumb_pic_register, thumb_pic_register_string): Declare.
24429 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24431 (label_mentioned_p): New function: Imported from arm.c.
24432 (legitimize_pic_address): New function: Imported from arm.c.
24433 (is_pic):New function: Imported from arm.c.
24434 (thumb_finalize_pic):New function: Imported from arm.c.
24435 (add_constant): Cope with PIC constants.
24436 (fixit): Cope with PIC constants.
24437 (output_return): Do not treat the PIC register as live if
24438 TARGET_SINGLE_PIC_BASE is true.
24439 (thumb_function_prologue): Do not treat the PIC register as live if
24440 TARGET_SINGLE_PIC_BASE is true.
24441 (thumb_expand_prologue): Do not treat the PIC register as live if
24442 TARGET_SINGLE_PIC_BASE is true.
24443 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24444 TARGET_SINGLE_PIC_BASE is true.
24445 (thumb_print_operand): Accept '|'.
24446 (thumb_override_options): Process PIC options.
24448 * config/arm/thumb.md (movsi): Support PIC.
24449 (call_insn): Change "i" constraint to "X".
24450 (call_value_insn): Likewise.
24451 (consttable_4, consttable_8, consttable_end): Set and clear
24452 "making_const_table" as appropriate.
24453 (pic_load_addr, pic_add_dot_plus_four): New insns.
24455 * invoke.texi (Thumb Options): Fix spelling. Document new
24456 options -msingle-pic-base and -mpic-register=.
24458 1999-07-26 Andrew Haley <aph@cygnus.com>
24460 * config/m32r/initfini.c (__init): Use a full word immediate for
24461 __fini: this allows it to be placed in any memory region.
24463 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24464 -mmodel=medium. This is OK for all memory models.
24466 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24468 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24469 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24471 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24473 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24476 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24478 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24480 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24481 (BUILD_VA_LIST_TYPE): New.
24482 (EXPAND_BUILTIN_VA_START): New.
24483 (EXPAND_BUILTIN_VA_ARG): New.
24484 * i860.c (output_delayed_branch): Disable.
24485 (output_delay_insn): Likewise.
24486 (i860_saveregs): New.
24487 (i860_build_va_list): New.
24488 (i860_va_start): New.
24489 (i860_va_arg): New.
24490 * i860.md: Disable all peepholes using output_delayed_branch.
24491 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24493 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24495 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24496 (BUILD_VA_LIST_TYPE): New.
24497 (EXPAND_BUILTIN_VA_START): New.
24498 (EXPAND_BUILTIN_VA_ARG): New.
24499 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24500 Return the address of the save area.
24501 (clipper_build_va_list): New.
24502 (clipper_va_start): New.
24503 (clipper_va_arg): New.
24505 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24507 * arc.h (EXPAND_BUILTIN_VA_START): New.
24508 (EXPAND_BUILTIN_VA_ARG): New.
24509 * arc.c (arc_setup_incoming_varargs): Set alias set of
24511 (arc_va_start): New.
24514 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24516 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24517 (BUILD_VA_LIST_TYPE): New.
24518 (EXPAND_BUILTIN_VA_START): New.
24519 (EXPAND_BUILTIN_VA_ARG): New.
24520 * alpha.c (alpha_builtin_saveregs): Delete.
24521 (alpha_build_va_list): New.
24522 (alpha_va_start): New.
24523 (alpha_va_arg): New.
24525 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24527 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24529 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24530 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24532 * gcc.texi: More changes related to list conversion.
24533 * invoke.texi: Likewise.
24535 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24537 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24538 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24539 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24540 (stabilize_va_list): New function.
24541 (std_expand_builtin_va_start): New function.
24542 (expand_builtin_va_start): New function.
24543 (get_varargs_alias_set): New function.
24544 (std_expand_builtin_va_arg): New function.
24545 (expand_builtin_va_arg): New function.
24546 (expand_builtin_va_end): New function.
24547 (expand_builtin_va_copy): New function.
24548 (expand_builtin): Call them.
24549 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24550 __builtin_{varargs_start,stdarg_start,end,copy}.
24551 (build_va_arg): New function.
24552 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24553 (build_va_arg): Declare.
24554 * c-decl.c (ptr_type_node, va_list_type_node): New.
24555 * c-parse.gperf (__builtin_va_arg): New.
24556 * c-parse.in (VA_ARG): New token.
24557 (unary_expr): Recognize it.
24558 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24559 * expr.h (std_expand_builtin_va_start): Declare.
24560 (std_expand_builtin_va_arg): Declare.
24561 (expand_builtin_va_arg): Declare.
24562 (get_varargs_alias_set): Declare.
24563 * tree.def (VA_ARG_EXPR): New.
24564 * tree.h (BUILT_IN_VARARGS_START): New.
24565 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24566 (ptr_type_node, va_list_type_node): Declare.
24567 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24568 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24569 * m88k.h, m88k.c: Likewise.
24570 * mn10300.h, mn10300.c: Likewise.
24571 * pa.h, pa.c: Likewise.
24572 * rs6000.h, rs6000.c: Likewise.
24573 * sh.h, sh.c: Likewise.
24574 * sparc.h, sparc.c: Likewise.
24576 * emit-rtl.c (operand_subword): Copy alias set.
24577 (change_address): Likewise.
24579 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24581 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24582 not just the first one.
24584 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24586 * config/arm/arm.h (TARGET_SWITCHES): Add
24587 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24588 (TARGET_OPTIONS): Add -mpic-register=.
24589 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24590 (arm_pic_register_string): Declare.
24591 (NEED_PLT_GOT): Delete, replace with ...
24592 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24593 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24594 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24595 * config/arm/arm.c (arm_override_options): Add new option
24597 (arm_pic_register_string): New variable.
24598 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24599 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24600 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24601 (output_return_instruction): Likewise.
24602 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24603 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24604 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24606 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24607 mention of -msched-prolog. Document new options -msingle-pic-base
24608 and -mpic-register=.
24610 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24612 * haifa-sched.c (reemit_notes): Tidy.
24613 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24616 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24618 * explow.c (trunc_int_for_mode): New function.
24619 (plus_constant_wide): Use it.
24620 * combine.c (simplify_and_const_int): Likewise.
24621 (merge_outer_ops): Likewise.
24622 (simplify_shift_const): Likewise.
24623 * cse.c (simplify_unary_operation): Likewise.
24624 (simplify_binary_operation): Likewise.
24625 * emit-rtl.c (operand_subword): Likewise.
24626 * rtl.h: Declare it.
24628 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24630 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24631 (use NUM_REGS instead of NUM_INTS).
24633 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24635 * builtins.c: New file.
24636 * expr.c (saveregs_value, apply_args_value): Delete definition,
24637 moved into builtins.c.
24638 (string_constant): No longer static.
24639 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24640 apply_args_size, apply_result_size, result_vector,
24641 expand_builtin_apply_args, expand_builtin_apply,
24642 expand_builtin_return): Delete functions, moved into builtins.c.
24643 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24644 * expr.h (saveregs_value, apply_args_value): Declare variables.
24645 (expand_builtin, string_constant): Declare functions.
24646 * Makefile.in: Update to build builtin.o.
24648 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24650 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24651 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24652 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24653 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24655 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24658 1999-07-21 Michael Meissner <meissner@cygnus.com>
24660 * print-rtl.c (print_rtx): Print the names of the virtual
24663 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24665 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24666 introduced in previous delta.
24668 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24670 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24671 to avoid name clash.
24673 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24675 * c-lex.c (yylex) : Correct the test for overflow when lexing
24678 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24680 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24681 (adjust_priority): Always call ADJUST_PRIORITY.
24682 (schedule_insn): Only put insns into the ready at cost 0.
24683 (schedule_block): Remove redundant initial sort. Give clock_var
24684 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24686 * tm.texi (MD_SCHED_REORDER): Update docs.
24688 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24689 * sparc.c (ultra_reorder_called_this_block): Delete.
24690 (ultrasparc_sched_init): Don't set it.
24691 (ultrasparc_sched_reorder): Don't check it.
24693 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24695 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24696 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24697 (function_arg_boundary): Align DFmode.
24698 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24699 to get fp reg and stack overflow correct.
24700 (function_arg): Likewise.
24701 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24702 (setup_incoming_varargs): Restructure for ABI_V4; use
24703 function_arg_advance to skip final named argument.
24704 (expand_builtin_saveregs): Properly unskip the last integer arg
24705 when doing varargs. Adjust overflow location calculation.
24707 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24708 explicitly unsigned.
24709 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24710 (__VA_GP_REGSAVE): Similarly.
24711 (__va_longlong_p): Delete.
24712 (__va_arg_type_violation): New declaration.
24713 (va_arg): Restructure. Flag promotion errors. Align double.
24714 TFmode passed by reference.
24716 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24717 in the HOST_BITS_PER_WIDE_INT > 32 case.
24719 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24721 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24723 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24725 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24726 * toplev.c (documented_lang_options): Add -fpreprocessed.
24727 * cpplib.h (struct cpp_buffer): Add preprocessed.
24728 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24729 (cpp_start_read): Don't expand macros or emit an initial #line
24730 directive if -fpreprocessed.
24732 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24734 * cpplib.h (struct cpp_buffer): Added manual_pop for
24735 better C++ tokenization.
24736 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24737 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24738 * c-common.c (cpp_token): Make non-static.
24740 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24742 * c-common.h: New file.
24743 * c-common.c (permanent_obstack): Delete unused declaration.
24744 (c_global_trees): New array.
24745 (c_common_nodes_and_builtins): New function; split off common code
24746 from init_decl_processing in both c-decl.c and cp/decl.c.
24747 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24748 c_global_trees and accessor macros defined in c-common.h.
24749 Include c-common.h.
24750 * c-decl.c: Delete definitions for tree nodes that were replaced by
24752 (init_decl_processing): Build void_list_node.
24753 Call c_common_nodes_and_builtins; delete code to generate the common
24755 * objc/objc-act.c (build_module_descriptor): Rename variable
24756 void_list_node to avoid clash with c-common.h.
24758 * Makefile.in: Update dependencies.
24759 * objc/Make-lang.in: Likewise.
24761 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24763 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24764 (UNIQUE_SECTION_P): Likewise.
24765 (UNIQUE_SECTION): Likewise.
24767 1999-07-19 Linas Vepstas <linas@linas.org>
24769 * config/i370/README: New file.
24770 * config/i370/linux.h: New file.
24771 * config/i370/mvs.h: New file.
24772 * config/i370/oe.h: New file.
24773 * config/i370/t-linux: New file.
24774 * config/i370/t-mvs: New file.
24775 * config/i370/t-oe: New file.
24776 * config/i370/x-oe: New file.
24777 * config/i370/xm-linux.h: New file.
24778 * config/i370/xm-mvs.h: New file.
24779 * config/i370/xm-oe.h: New file.
24781 * i370.c (label_node_t): Add first_ref_page, label_addr,
24782 label_first_ref, label_last_ref members.
24783 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24784 (MAX_MVS_LABEL_SIZE): Define.
24785 (MAX_LONG_LABEL_SIZE): Define.
24786 (alias_node_t, alias_anchor, alias_number): New.
24787 (mvs_function_table): Reorder for EBCDIC.
24788 (ascebc, ebcasc): Unconditionally define.
24789 (i370_branch_dest, i370_branch_length): New functions.
24790 (i370_short_branch, i370_label_scan): New functions.
24791 (mvs_get_label): Renamed from mvs_add_label. Search for
24792 an existing label before creating a new one.
24793 (mvs_add_label): New function.
24794 (mvs_get_label_page): New function.
24795 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24796 over the entire list.
24797 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24798 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24799 (mvs_add_alias, mvs_need_alias): New functions.
24800 (mvs_get_alias, mvs_check_alias): New functions.
24801 (handle_pragma): New function.
24802 (mvs_function_check): New function.
24803 (unsigned_jump_follows_p): Search harder.
24804 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24805 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24806 * i370.h (TARGET_VERSION): Delete.
24807 (CPP_SPEC, CPP_PREDEFINES): Delete.
24808 (mvs_label_emitted): Delete.
24809 (TARGET_EBCDIC): Delete.
24810 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24811 (HANDLE_PRAGMA): Define.
24812 (HARD_REGNO_NREGS): Handle complex modes.
24813 (HARD_REGNO_MODE_OK): Likewise.
24814 (CLASS_MAX_NREGS): Likewise.
24815 (RET_REG): Likewise.
24816 (EXTRA_CONSTRAINT): Define.
24817 (RETURN_IN_MEMORY): True for DImode.
24818 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24819 (FUNCTION_PROFILER): Delete.
24820 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24821 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24822 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24823 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24824 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24825 (ASM_FILE_START): Add "RMODE ANY".
24826 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24827 (ASM_GLOBALIZE_LABEL): Likewise.
24828 (ASM_OUTPUT_LABELREF): Likewise.
24829 (ASM_OUTPUT_COMMON): Likewise.
24830 (PRINT_OPERAND): Handle 'K', 'W', default.
24831 (PRINT_OPERAND_ADDRESS): New.
24832 (Lots of defines): Add support for TARGET_ELF_ABI.
24833 * i370.md (attr length): New. Define for all patterns.
24834 (*): Lots of tweeks to assembly output and constraints.
24836 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24838 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24839 Disable patterns performing SImode comparisons with SImode values
24840 if TARGET_POWERPC64 and instruction does not sign-extend or does
24841 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24842 differ for signed quantities.
24843 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24844 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24845 (decrement_and_branch_on_count): Add 64-bit variant.
24847 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24849 * final.c (output_asm_insn): When searching for the matching string
24850 for a given dialect, don't run past the end of the list of
24851 alternatives if there are fewer alternatives in the template than
24854 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24856 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24857 Removed paragraph about compression of files and size limitation,
24858 duplicated in the FAQ. Use gcc-patches for posting patches.
24859 * gcc.c (main): Updated URL with bug reporting instructions to
24860 gcc.gnu.org. Removed e-mail address.
24861 * system.h (abort): Likewise.
24863 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24865 * Makefile.in (stmp-multilib-sub): Make the files extracted
24866 from $(LIBGCC1) writable.
24868 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24870 * config/arm/aout.h: Reformat for improved readability.
24872 * config/arm/arm.h: Reformat for improved readability.
24873 Replace uses of fprintf with asm_fprintf where appropriate.
24874 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24875 function declaration assembler actions.
24876 (NUM_INTS): New macro: Convert from bytes to words.
24877 (NUM_REGS): New macro: Compute number of registers required to
24878 hold a quanitity of tyep MODE.
24879 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24881 (NUM_ARG_REGS): New macro: The number of argument registers
24883 (ARG_REGISTER): New macro: Compute the register number of the Nth
24885 (LAST_ARG_REGNUM): New macro: The number of the last argument
24887 (SP_REGNUM): New macro: Register number of the stack pointer.
24888 (FP_REGNUM): New macro: Register number of the frame pointer.
24889 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24890 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24891 CUMULATIVE_ARGS so that it counts registers not bytes.
24893 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24895 Replace uses of fprintf with asm_fprintf where appropriate.
24896 (output_ascii_pseudo_op): Replace with version from thumb.c
24898 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24900 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24901 SUBTARGET_CPP_SPEC.
24902 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24903 (ASM_FILE_START): Emit ASM_APP_OFF.
24905 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24907 * pa.c (compute_frame_size): Round frame according to
24908 STACK_BOUNDARY rather than a hardwired value.
24910 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24912 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24914 * configure: Rebuilt.
24916 * configure.in (hppa*-*-linux*): New configuration.
24917 * configure: Rebuilt.
24918 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24919 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24920 * pa/pa-linux.h: New file.
24921 * pa/t-linux: New file.
24922 * pa/xm-linux.h: New file.
24924 * pa.c (hppa_legitimize_address): Change references from SImode to
24925 either Pmode or word_mode as appropriate.
24926 (emit_move_sequence, store_reg, load_reg): Likewise.
24927 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24928 (output_mul_insn): Likewise.
24929 * pa.h (PROMOTE_MODE): Likewise.
24930 (INITIALZE_TRAMPOLINE): Likewise.
24931 (Pmode): Define to word_mode.
24933 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24934 value of 4. Allocate 8 bytes for each FP register save.
24935 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24937 (hppa_expand_prologue): Likewise.
24938 * pa.h (PROMOTE_MODE): Likewise.
24939 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24940 (FUNCTION_ARG_BOUNDARY): Likewise.
24942 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24944 * pa.c (out_of_line_prologue_epilogue): Delete.
24945 (override_options): Remove -mspace related code.
24946 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24947 (compute_frame_size): Only allocate space for register that
24948 actually need to be saved.
24949 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24950 (TARGET_SWITCHES): Remove -mspace, -mno-space
24951 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24952 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24953 * pa/ee.asm, pa/ee_fp.asm: Delete.
24955 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24957 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24958 directive in column zero.
24960 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24962 * m68k.c (output_function_prologue): Fix computation of save mask
24963 when generating PIC code.
24965 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24967 * tree.c (build_type_attribute_variant): Move current_obstack restore
24968 after build_qualified_type call.
24970 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24972 * configure.in: Use t-iris6, even with GNU LD.
24973 * config/mips/iris6gld.h: Fix typo in linker spec.
24974 * config/mips/t-iris6gld: Remove.
24976 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24978 * rs6000.md (insv, extzv): Remove SImode dependence in named
24979 patterns. Explicitly generate DImode RTL if PowerPC64 and
24981 (insvdi): Reverse start and size in instruction template.
24983 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24985 * invoke.texi: Typo fixes.
24987 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24989 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24990 handle at this time instead of silently generating incorrect code.
24991 (gen_imagpart): Likewise.
24993 * reload.c (find_reloads): Emit a USE for a pseudo register without
24994 a hard register if we could not create an optional reload for the
24997 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24999 * c-typeck.c (output_init_element, process_init_element):
25000 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25001 check for nameless bit fields.
25003 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25005 * regclass.c (scan_one_insn): Notice subregs that change the
25006 size of their operand.
25007 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25009 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25011 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25012 * configure: Rebuilt.
25013 * alpha/t-ieee: New file.
25015 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25017 * rs6000.c (find_addr_reg): Do not select r0 as an address
25020 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25022 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25024 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25026 * rs6000.md (movsf): Do not force easy FP constants into memory.
25028 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25029 immed_double_const to ensure they are properly truncated then
25032 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25034 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25035 always unless NO_DEBUG is used. Compile this code
25037 (replace_symbols_in_block): Compile it unconditionally.
25039 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25041 * configure.in (i?86-*-elf*): New target.
25042 * configure: Rebuilt.
25043 * i386/i386elf.h, i386/t-i386elf: New files.
25045 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25047 * toplev.c (main): Don't complain about saying -gdwarf.
25048 (rest_of_compilation): Remove redundant code.
25050 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25052 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25054 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25056 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25057 "Li960R:", to avoid name clash.
25059 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25061 * loop.c (check_dbra_loop): When reversing a loop, delete all
25062 REG_EQUAL notes referencing the reversed biv except those which are
25063 for a giv based on it.
25065 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25067 * version.c: Drop "gcc-" prefix from version #.
25069 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25071 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25072 the label if we're being verbose.
25074 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25076 * m68k.c (output_function_prologue): Add pic register to mask
25077 if live and flag_pic.
25078 (output_function_epilogue): Likewise.
25080 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25082 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25083 directives in column zero.
25085 * pa/elf.h (ASM_FILE_START): Define.
25086 * pa/som.h (ASM_FILE_START): Include .level directives.
25087 * pa/hpux10.h (ASM_FILE_START): Delete.
25088 * pa/hpux11.h (ASM_FILE_START): Delete.
25090 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25092 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25094 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25095 when reload_out equals reload_in.
25097 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25099 * invoke.texi (Spec Files): New node: Describe the contents of
25102 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25104 * invoke.texi (DEC Alpha Options): Put @end table at
25105 beginning of line, to avoid confusing texi2html.
25107 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25109 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25110 introduced in previous delta.
25112 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25114 * reload1.c (gen_reload): When synthesizing a 3 operand add
25115 sequence, improve test for when to reload OP1 into the reload
25116 register instead of OP0.
25118 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25120 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25122 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25124 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25127 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25129 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25130 (va_dcl): Use __builtin_va_alist_t.
25132 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25134 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25135 on the permanent_obstack.
25136 * dwarfout.c (output_type): Likewise.
25138 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25140 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25141 Merged from c-typeck.c and cp/typeck.c.
25142 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25143 Merged into c-common.
25145 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25147 * c-lex.c (errorcount): Declare it.
25148 (finish_parse): Update errorcount when using CPPLIB.
25150 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25152 * fixinc/inclhack.def(end_else_label): Double the backslash so
25153 sed gets a chance to see it.
25154 * fixinc/inclhack.sh: regen
25155 * fixinc/fixincl.x: regen
25157 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25159 Add framework to support armv5 architecture when it becomes
25162 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25163 (arm_arch5): New variable.
25164 (all_architectures): Add armv5 line.
25165 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25166 -march=armv5 is specified on the command line.
25167 (arm_arch5): Export this variable.
25168 * invoke.texi: Document new string accepted by -march= switch for
25171 * config/arm/arm.h: Replace use of constant 12 as a register
25172 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25173 * config/arm/arm.c: Replace use of constant 12 as a register
25174 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25176 * config/arm/elf.h: Tidy up.
25177 * config/arm/coff.h: Tidy up.
25179 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25181 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25182 * gcc/config/mips/t-iris6gld: New file.
25183 * gcc/config/mips/iris6gld.h: Likewise.
25185 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25187 * c-decl.c (widest_integer_literal_type_node,
25188 widest_unsigned_literal_type) : New.
25189 (init_decl_processing): Handle/use the two new types.
25190 * c-common.c (type_for_size,type_for_mode) : Same.
25191 * c-lex.c (yylex) : Same.
25192 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25194 * c-tree.h (widest_integer_literal_type_node,
25195 widest_unsigned_literal_type) : New.
25197 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25199 * dwarfout.c (field_byte_offset): Correctly compute the object's
25200 byte offset for the first bit of a field which crosses an alignment
25201 boundary on a !BYTES_BIG_ENDIAN target.
25203 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25205 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25208 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25209 Jeff Law <law@cygnus.com>
25211 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25214 * except.c: Include intl.h.
25215 (expand_eh_return): Set current_function_cannot_inline.
25216 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25217 * function.h (struct function): Add eh_return_stub_label.
25218 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25219 * Makefile.in (except.o): Depend on intl.h.
25221 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25223 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25224 same as offsettable in cases 1 and 2.
25226 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25228 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25229 (extlh, extwh): Likewise.
25231 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25233 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25235 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25237 * configure.in: Add arm-pe and thumb-pe targets.
25238 * configure: Regenerate.
25240 * thumb.c (arm_naked_function_p): New function: Determines if
25241 a function is naked (has no gcc generated prologue/epilogue).
25242 (is_called_in_ARM_mode): Return true if the func has the
25243 interfacearm attribute.
25244 (output_return): Do not generate a return for naked functions.
25245 (thumb_function_prologue): Do not generate a prologue for
25247 (thumb_expand_prologue): Do not generate a prologue for naked
25249 (thumb_expand_epilogue): Do not generate an epilogue for naked
25251 (arm_valid_machine_decl_attribute): New function, copied from
25252 arm.c: Permit naked and interfacearm attributes.
25254 * config/arm/pe.c: New file: Support code for arm-pe target.
25255 * config/arm/pe.h: New file: Header file for arm-pe target.
25256 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25257 * config/arm/t-thumb-pe: New file: Makefile fragment for
25260 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25262 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25263 -fPIC or -fpic is specified.
25265 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25267 * expr.c (emit_block_move): Use copy_to_mode_reg for
25268 !TARGET_MEM_FUNCTIONS case too.
25270 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25272 * configure: Rebuilt.
25273 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25274 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25275 definitions made redundant by dbxelf.h inclusion. Delete
25276 lots of definitions related to assembly output that are
25277 specific to the SOM object format.
25278 * pa.c (output_function_prologue): Do not emit the function's
25280 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25281 * pa-pro.h: Deleted.
25282 * som.h: New file with SOM specific definitions.
25283 * elf.h: New file with ELF specific definitions.
25285 * elfos.h (const_section): Output a tab before assembler directives.
25286 (ctors_section, dtors_section): Likewise.
25287 (ASM_OUTPUT_SECTION_NAME): Likewise.
25289 * pa/pa1.h: Delete unused file.
25291 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25293 * configure.in (hppa*-hp-hpux11*): New configuration.
25294 * configure: Rebuilt.
25295 * pa/pa-hpux11.h: New file.
25296 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25299 * mips.md (leasi, leadi): New patterns.
25301 * expr.c (emit_block_move): Properly handle case where one of the
25302 block move arguments has a queued increment or decrement.
25303 (clear_storage): Similarly. Fix formatting goof.
25305 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25307 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25308 semicolon from the BSD VA_LIST replacement expression.
25310 * fixinc/inclhack.sh: regen
25311 * fixinc/fixincl.x: regen
25313 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25314 now use the fixincl program.
25316 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25318 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25319 case. Also make the PIC register call_used.
25321 * m68k.h (FINALIZE_PIC): Delete.
25322 * m68k.c (finalize_pic): Delete.
25324 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25326 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25329 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25331 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25333 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25335 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25337 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25339 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25341 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25343 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25345 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25347 * rs6000.c (output_toc): Always use hex values for floating-point
25348 constants. Store single-precision values in upper-half of TOC
25349 entry in 64-bit mode.
25350 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25351 to final constraints.
25352 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25353 (fctiwz): Improve accuracy of RTL for pattern.
25355 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25357 * expr.c (expand_expr): Allow RTL_EXPR's through the
25358 MAX_INTEGER_COMPUTATION_MODE checks.
25360 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25362 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25363 such that MASK_SUPPORT_ARCH is not negative.
25365 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25367 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25368 ADDR_DIFF_VEC insns that appear inside loops.
25370 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25371 Jeff Law <law@cygnus.com>
25373 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25374 Handle LO_SUM the same as offsettable in cases 1 and 2.
25375 * rs6000.c (find_addr_reg): Revert previous patch.
25377 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25379 * system.h (strstr): New external function declaration.
25380 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25381 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25382 * config.in, configure: Rebuilt.
25384 1999-06-24 Tom Tromey <tromey@cygnus.com>
25386 * gcc.c (main): Read user-specified specs files after computing
25387 additional startfile_prefixes.
25389 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25391 Revert these two patches:
25393 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25394 * loop.c (strength_reduce): When doing biv->giv conversion, update
25395 reg note of NEXT->insn.
25397 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25398 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25400 (recombine_givs): Set ix field after sorting.
25402 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25404 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25405 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25407 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25409 *fixinc/inclhack.def: Add fix development commentary
25410 (read_ret_type): reactivate and add selection clause
25411 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25412 *fixinc/{fixincl.x|inclhack.sh}: regen
25414 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25416 * expr.c (expand_expr): STRIP_NOPS before checking against
25417 MAX_INTEGER_COMPUTATION_MODE
25418 (check_max_integer_computation_mode): Likewise.
25420 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25422 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25424 1999-06-22 Jim Wilson <wilson@cygnus.com>
25426 * expr.c (store_expr): When target is a promoted subreg, return a
25427 promoted subreg as a result.
25429 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25431 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25433 (dwarf2out_define): Mark unused parameters appropriately.
25434 (gen_unspecified_parameters_die): Ditto.
25435 (gen_subprogram_die): Fix signed/unsigned warnings.
25436 (gen_variable_die): Ditto.
25438 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25440 * fixinc/inclhack.def(end_else_label): combined else_label
25441 and endif_label and fixed the sed expression.
25442 *fixinc/{fixincl.x|inclhack.sh}: regen
25444 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25446 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25447 'x' when handling non-offsettable addresses
25449 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25451 * final.c (shorten_branches): Don't try to split an insn that has
25454 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25456 * config/mips/mips.c (symbolic_expression_p): New function.
25457 (mips_select_rtx_section): Put symbolic expressions in the
25458 data section, not the read-only data section.
25460 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25462 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25464 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25466 * collect2.c (main): Log frame table count.
25467 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25468 (scan_prog_file) [COFF]: Handle frame tables.
25470 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25471 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25472 * alpha/elf.h: Undef them again.
25473 * alpha/vms.h: Remove their definitions.
25475 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25477 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25478 remove the clobber of r0 and change the REG_UNUSED note to
25481 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25483 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25484 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25485 fits in HOST_WIDE_INT and one uses union to access a long constant
25488 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25490 * sparc.c (sparc_override_options): Don't allow profiling for
25491 code models other than medlow.
25492 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25493 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25494 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25495 (sparc_block_profiler): Likewise.
25496 (sparc_function_block_profiler_exit): Likewise.
25497 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25498 (FUNCTION_BLOCK_PROFILER): Likewise.
25499 (BLOCK_PROFILER): Likewise.
25500 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25501 (MCOUNT_FUNCTION): New.
25502 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25503 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25504 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25505 (MCOUNT_FUNCTION): New.
25506 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25507 (BLOCK_PROFILER): Delete.
25508 (MCOUNT_FUNCTION): New.
25510 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25512 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25514 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25516 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25519 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25522 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25525 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25528 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25530 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25533 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25535 * i386/djgpp.h (LIB_SPEC): New.
25536 (STARTFILE_SPEC): New.
25538 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25540 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25542 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25545 * system.h (WSTOPSIG): New macro.
25547 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25549 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25551 (insert_pack_attributes): Take into account member natural
25554 * i386/winnt.c (exports_head): New static variable.
25555 (i386_pe_record_exported_symbol): New function.
25556 (i386_pe_asm_file_end): Use.
25557 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25558 symbols to be emitted at end of assembly.
25559 (ASM_DECLARE_OBJECT_NAME): Likewise.
25560 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25562 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25565 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25567 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25570 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25572 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25573 zapping reg_last_uses directly.
25574 (sched_analyze_2, sched_analyze_insn): Likewise.
25575 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25577 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25579 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25580 attributes for cases 1 and 2.
25582 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25584 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25587 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25589 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25591 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25593 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25594 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25595 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25596 must be stacked if it is used for PIC accesses.
25597 * arm.c (use_return_insn): Handle PIC register specially.
25598 (output_return_instruction): Likewise.
25599 (output_func_{prologue,epilogue}): Likewise.
25600 (output_expand_prologue): Likewise.
25602 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25603 (*strsi_predec): Renamed from *strqi_predec.
25604 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25605 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25607 * arm.c (arm_override_options): Remove warning about PIC code
25608 not being supported.
25610 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25612 * rs6000.c (find_addr_reg): New function.
25613 * rs6000.h (find_addr_reg): Declare.
25614 (offsettable_addr_operand): Delete.
25615 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25616 from and stores to GPRs.
25618 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25620 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25621 gen_sequence as argument to emit_no_conflict_block.
25623 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25625 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25626 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25627 *fixinc/fixincl.x: regen
25628 *fixinc/inclhack.sh: regen
25630 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25632 * added support for -mpcrel (PC relative addressing for m68k)
25633 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25634 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25635 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25636 (comments for general_src_operand): Add some explanation
25637 about EXTRA_CONSTRAINTS.
25638 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25639 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25640 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25641 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25642 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25643 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25644 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25645 if not already set.
25646 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25647 * m68k.h (TARGET_PCREL): New target flag.
25648 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25649 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25650 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25651 contains a SYMBOL_REF. Relax this constraint during reload, since
25652 we want to use the predicates, not reload's built-in concept of a
25653 valid memory address, to control what insns need reloading.
25654 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25655 operands (essentially 'g', 'm', and 's' under normal circumstances).
25656 * m68k.c (print_operand): Cause printing of pc-relative addresses
25657 to include pc register.
25658 (print_operand_address): Ditto.
25659 (general_src_operand): Accept operands that are not only
25660 general_operands, but are also valid when used as a pc-relative
25662 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25663 (memory_src_operand): Similar, for memory_operands.
25664 (pcrel_address): New predicate to accept the special case of a
25665 pc-relative address.
25666 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25667 QImode insns to accept *_src_operand instead of *_operand where
25668 pc-relative operands can fit. For example, a pc-relative operand
25669 can be used as a memory source operand for addsi3, but not as a
25670 memory destination.
25671 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25673 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25675 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25676 .thumb_set pseudo op to mark aliases of thumb functions.
25678 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25680 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25681 preference to ASM_OUTPUT_DEF, if it is defined.
25683 * tm.texi: Document new, optional target macro
25684 ASM_OUTPUT_DEF_FROM_DECLS.
25686 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25688 * fixincludes: ISCNTL patch
25689 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25690 (dgux_int_varargs): new for DG/UX
25691 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25693 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25695 * invoke.texi (ia32 options): Fix typo.
25697 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25699 * loop.c (strength_reduce): When doing biv->giv conversion, update
25700 reg note of NEXT->insn.
25702 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25704 * loop.c (move_movables): Note issues with replacing REGs with
25706 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25708 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25710 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25712 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25713 the reference to `mcount' was not correct for the ELF on FreeBSD.
25715 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25717 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25720 (recombine_givs): Set ix field after sorting.
25722 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25724 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25725 to safe to extract a subword out of a REG.
25727 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25729 * sh.md (mulsi3): Don't add a no-op move at the end.
25731 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25733 * cse.c (cse_insn): Don't put hard register source into tables for
25734 the last insn of a libcall.
25736 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25738 * loop.c (strength_reduce): Insert sets of derived givs at every
25739 biv increment, even if it's the only one.
25741 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25743 * dwarfout.c (add_incomplete_type): New fn.
25744 (output_type): Call it.
25745 (retry_incomplete_types): New fn.
25746 (dwarfout_finish): Call it.
25748 From Eric Raskin <ehr@listworks.com>:
25749 (output_type): Output types for bases.
25751 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25753 * mips.c (mips_output_conditional_branch): Add `break'
25754 between `default' label and `close braces'.
25756 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25758 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25759 specifications and make it realistic.
25760 (LIB_SPEC): Likewise.
25762 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25764 * config/mips/mips.c (mips_secondary_reload_class): Check for
25765 (PLUS (SP) (REG)) and return appropriate register class.
25766 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25767 Handle (PLUS (SP) (REG)).
25768 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25769 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25770 of emit_insn for tablejump.
25772 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25774 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25775 asm_fprintf format string by itself.
25776 (output_function_profiler): Likewise.
25778 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25780 * combine.c (simplify_logical, case AND): Only call
25781 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25782 or the constant is positive.
25784 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25786 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25787 * configure: Regenerate.
25789 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25791 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25792 require a sub-version #.
25793 * configure: Rebuilt.
25795 1999-06-14 Robert Lipe (robertlipe@usa.net)
25797 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25799 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25801 * c-typeck.c (process_init_element): Detect excess elements in
25802 char array initializer.
25804 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25806 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25808 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25810 * invoke.texi (Option Summary): Add -fpermissive flag.
25812 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25814 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25815 that require PIC code sequences.
25817 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25819 * configure.in: Add new target: thumb-elf.
25820 * configure: Regenerate.
25821 * config/arm/t-thumb-elf: New file: Makefile fragment for
25823 * config/arm/telf.h: New file: Header file for thumb-elf
25826 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25828 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25829 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25830 initializers is some circumstances.
25832 * fixinc/inclhack.def (endif_label): Add additional selector for
25833 more bogus stuff after #endif statements.
25834 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25836 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25838 * i386/cygwin.h (SET_ASM_OP): Define.
25840 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25842 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25844 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25846 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25849 * sh.md (ic_invalidate_line_i): Remove second alternative.
25851 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25853 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25854 test for the presence of valid prototypes. Delete bypass expr.
25855 (ioctl_fix_ctrl): Correct the selection expression.
25856 (no_double_slash): Correct quoting rules
25857 *fixinc/fixincl.x: regen
25858 *fixinc/inclhack.sh: regen
25860 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25862 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25864 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25866 * rs6000.md (movsi_got_internal_mem): Delete.
25867 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25868 (GOT_TOC_REGNUM): Delete.
25869 (PIC_OFFSET_TABLE_REGNUM): Define.
25870 (FINALIZE_PIC): Disable.
25871 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25872 (rs6000_replace_regno): Delete.
25873 (rs6000_finalize_pic): Likewise.
25874 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25876 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25878 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25879 is a note; use <= for the compare; advance P while it is
25882 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25884 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25885 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25887 * varasm.c (remove_from_pending_weak_list): Verify t->name
25888 is non-NULL before passing it to strcmp.
25890 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25892 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25893 the typed arguments are not part of a comment
25894 (ioctl_fix_ctrl): Added a purpose comment
25895 *fixinc/fixincl.x: regenerate
25896 *fixinc/inclhack.sh: regenerate
25898 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25900 * invoke.texi: Add C4x invocation docs.
25902 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25904 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25906 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25908 (c4x_legitimize_reload_address): New function.
25909 * config/c4x/c4x.md: Update docs.
25911 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25913 * fixincludes: Avoid removing '.'.
25914 * fixinc/fixinc.svr4: Likewise.
25915 * fixinc/fixinc.winnt: Likewise.
25916 * fixinc/inclhack.tpl: Likewise.
25917 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25919 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25921 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25923 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25925 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25927 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25930 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25932 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25933 * configure: Regenerate.
25935 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25937 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25940 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25942 * fixinc/inclhack.def (avoid_bool): Also catch
25943 "typedef [unsigned] int bool".
25944 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25946 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25947 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25948 * configure: Rebuilt.
25950 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25952 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25953 such that we can override its definitions if necessary.
25954 (CPP_SPEC): New define. Support processor specific predefines via
25956 (CC1_SPEC): New define. Support processor specific compiler
25957 options via %(cc1_cpu).
25958 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25961 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25963 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25964 between sed's -e flag, and the open-quote following it.
25965 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25967 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25968 Jeffrey A Law (law@cygnus.com)
25970 * varasm.c (assemble_start_function): Remove the function
25971 from the pending weak decls list when we define a function.
25972 (assemble_variable): Similarly for variables.
25973 (weak_finish): Ignore items on the list with a NULL name.
25974 (remove_from_ending_weak_list); New function to "remove" an item
25975 from the pending weak declarations list.
25977 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25979 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25981 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25983 * c-lex.c (GETC): Redefine to call getch.
25984 (UNGETC): Redefine to call put_back.
25985 (putback_buffer): New structure type.
25986 (putback): New static structure.
25987 (getch): New function.
25988 (put_back): New function.
25989 (yylex): Replace unused bytes from bad multibyte character.
25991 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25993 * cpplib.c (do_define): Cast `alloca' return value.
25994 (do_include, do_undef, do_pragma): Likewise.
25995 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25997 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25998 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26000 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26002 * sparc.md (abstf2): This should be an expand.
26003 (split after abstf2_notv9): Fix mode.
26004 (abstf2_hq_v9): New pattern.
26005 (abstf2_v9): Only use when no hard quad.
26006 (absdf2_v9): Fix if target is not the same as source.
26007 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26008 Add correct output constraints.
26010 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26012 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26013 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26015 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26017 * mips.h (mips_output_conditional_branch): New function.
26018 (mips_adjust_insn_length): Likewise.
26019 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26020 (ADJUST_INSN_LENGTH): Likewise.
26021 * mips.c (print_operand): Add `F' and `W' for floating-point
26022 comparison opcodes.
26023 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26025 (mips_adjust_insn_length): New function.
26026 (mips_output_conditional_branch): New function.
26027 * mips.md (length): Adjust attribute definition to handle
26028 conditional branches. Change lengths to bytes, rather than
26029 instructions throughout. Remove length attribute from
26030 instructions whose length is four bytes, and rely on the default
26032 (dslot): Fix typo in comment.
26033 Reword conditional branch patterns to use
26034 mips_output_conditional_branch.
26036 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26038 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26039 (LIB_SPEC): Likewise.
26040 Link with -lprof1_r for -g/-pg.
26042 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26044 * loop.c (check_dbra_loop): Fix change of Jan 19.
26046 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26048 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26049 (STARTFILE_SPEC): Define, override the svr4.h version.
26050 (ENDFILE_SPEC): Likewise.
26052 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26054 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26055 * fixinc/fixincl.x: Regenerated.
26056 * fixinc/inclhack.sh: Regenerated.
26058 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26060 * sh.c (barrier_align): Don't return early for normal branch/barrier
26061 when optimizing for SH2.
26063 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26065 * i386/udk.h (LINK_SPEC): Correct linker search path for
26068 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26070 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26071 (braf_label_ref_operand): Delete.
26072 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26073 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26074 label_ref, and has no predicate.
26075 The patten has a predicate to guard against invalid substitutions.
26076 (dummy_jump): Delete.
26077 (casesi): Update use of casesi_jump_2.
26079 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26081 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26082 *fixinc/fixincl.x: regenerate
26083 *fixinc/inclhack.sh: regenerate
26085 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26087 * dwarf2out.c (add_incomplete_type): New fn.
26088 (gen_struct_or_union_type_die): Call it.
26089 (retry_incomplete_types): New fn.
26090 (dwarf2out_finish): Call it.
26092 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26094 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26095 current block starts with a CODE_LABEL and ends with a CALL and
26096 we can not find all the argument setup instructions for the CALL.
26098 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26100 Revert this change:
26101 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26102 something is a candidate for optimize_bit_field_compare.
26104 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26106 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26108 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26110 * alpha.c (override_options): Thinko in last patch.
26112 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26113 (LIB_SPEC): Recognize -pthread.
26115 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26117 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26118 definition in config/arm/coff.h
26119 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26121 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26123 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26124 fixes that need "file=xxx\n" prepended before invocation
26125 (start_fixer - new): starting the fixer process is complex enough
26126 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26127 (process): uses the new routine; omit usage of putenv()
26128 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26129 * fixinc/fixincl.x: regenerate
26131 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26133 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26134 and version #s (1.1 -> 2.96) as needed.
26135 * README.g77: Kill way out of date file in the toplevel directory.
26137 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26139 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26140 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26141 * configure: Rebuilt.
26142 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26143 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26144 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26145 (SWITCH_TAKES_ARG): Likewise.
26146 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26147 * config/t-freebsd: Moved from config/i386/ so it can used for all
26150 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26152 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26154 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26156 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26157 * configure: Rebuilt.
26159 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26161 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26162 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26163 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26164 (rs6000_output_load_toc_table): Same.
26165 (output_prolog, output_mi_thunk): Same.
26166 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26167 (ASM_GLOBALIZE_LABEL): Use putc.
26169 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26171 * alpha.md (reload_*_help): New patterns and splitters.
26172 (reload_*): Use them.
26173 (mov[qh]i): Likewise.
26175 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26177 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26180 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26182 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26184 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26186 * flow.c (mark_regs_live_at_end, insn_dead_p,
26187 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26188 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26189 hasn't run or the frame pointer is needed.
26190 * haifa-sched.c (attach_deaths): Likewise.
26191 * sched.c (attach_deaths): Likewise.
26193 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26195 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26196 calculate_can_reach_end returns nonzero.
26198 * configure.in (native gas tests): Search for an assembler in the
26199 same manner that the installed compiler will.
26200 * configure: Rebuilt.
26201 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26203 * alias.c (find_base_term): Improve handling of addresses
26204 constructed from binary operations.
26206 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26208 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26210 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26212 * function.h (cleanup_label, frame_offset): Declare.
26213 (tail_recursion_label, tail_recursion_reentry): Likewise.
26214 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26215 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26216 (tail_recursion_label, tail_recursion_reentry): Likewise.
26217 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26219 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26221 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26223 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26224 (MAX_OFILE_ALIGNMENT): Define.
26226 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26228 * fixincl.c: Replace local include scheme with #includes of
26229 gansidecl.h and system.h.
26230 * procopen.c: Likewise.
26231 * server.c: Likewise.
26233 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26235 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26236 (crti.o): Add build rule and dependencies.
26237 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26239 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26241 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26242 (LIB_LINUX_SPEC): Likewise.
26243 (LIB_LINUX_SPEC): Add support for -pthread
26244 (CPP_OS_LINUX_SPEC): Likewise.
26245 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26248 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26250 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26252 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26253 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26254 for IEEE math and CC_FCOMI.
26255 (put_jump_code): No IEEE if CC_FCOMI is set.
26257 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26259 * fold-const.c (fold_truthop): Make the field reference unsigned
26260 when converting a single bit compare.
26262 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26264 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26266 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26268 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26269 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26272 * reload.c (push_reload): Do not call remove_address_replacements
26273 when presented with identical optional reloads.
26275 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26277 * alpha.h (MASK_FIX, TARGET_FIX): New.
26278 (MASK_*): Reorganize constants.
26279 (CPP_AM_FIX_SPEC): New.
26280 (TARGET_SWITCHES): Add FIX.
26281 (EXTRA_SPECS): Likewise.
26282 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26283 (SECONDARY_MEMORY_NEEDED): Likewise.
26284 (REGISTER_MOVE_COST): Likewise.
26285 * alpha.c (override_options): Add FIX support. Always use
26286 ALPHA_TP_PROG for ev6.
26287 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26288 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26289 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26291 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26293 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26294 something is a candidate for optimize_bit_field_compare.
26296 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26298 * gcc.texi (Passes): Document branch-shortening.
26299 * invoke.texi (Debugging Options): Document the fact that `-dp'
26300 outputs length information for instructions.
26302 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26304 * flow.c: Revert previous delta.
26306 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26308 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26309 FRAME_POINTER_REGNUM.
26310 (mark_set_1): Ditto.
26311 (mark_used_regs): Ditto.
26313 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26315 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26316 (GOT_PCREL): New macro. Define to 1 if not already defined.
26317 * arm/elf.h (GOT_PCREL): Define to 0.
26318 * arm.c (arm_finalize_pic): Take into account the setting of
26321 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26323 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26324 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26326 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26327 store elimination candidates.
26329 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26331 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26334 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26336 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26337 Add use of x-aix41-gld.
26339 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26341 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26342 (ASM_OUTPUT_DESTRUCTOR): Define.
26344 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26346 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26347 last CODE_LABEL in a loop if we have previously passed a jump
26348 to the top of the loop.
26350 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26352 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26353 applying Philip's patch.
26355 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26357 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26360 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26362 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26364 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26366 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26367 Also remove a useless comment.
26369 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26371 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26373 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26375 * collect2.c (main): Only generate import or export file and add
26376 to link arguments if non-empty. Use xmalloc not alloca.
26377 (write_{export,import}_file): Delete.
26378 (write_aix_file): New function.
26379 (locatelib): Use xmalloc not malloc.
26380 (GCC_OK_SYMBOL): Do not check type if aix64.
26382 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26384 Based on patch by Scott Bambrough and Pat Beirne:
26385 * config/arm/arm.c (making_const_table): New variable.
26386 * config/arm/arm.h (making_const_table): Declare.
26387 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26389 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26390 Keep track of when we are building the constant table.
26392 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26394 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26397 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26399 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26402 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26404 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26407 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26409 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26411 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26413 * rs6000.c (output_mi_thunk): Enable full support again.
26415 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26417 * sh.h (BRANCH_COST): Define.
26419 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26421 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26423 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26425 * function.c (assign_stack_local): Align stack slot propertly.
26426 (assign_outer_stack_local): Likewise.
26428 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26430 * expr.h (lang_expand_constant): Declare.
26431 * toplev.c (lang_expand_constant): Define it.
26432 * varasm.c (output_constant): Use it.
26434 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26436 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26437 Change function definitions to K&R style.
26439 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26441 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26443 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26445 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26446 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26447 (several places): omit static initialization
26448 (process): use single fd, since only the read fd is used
26449 * fixinc/gnu-regex.c: define 'const' away, if not supported
26450 * fixinc/procopen.c(several places): omit static initialization
26451 * fixinc/server.c: define 'volitile' away, if not supported
26453 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26455 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26456 asm_fprintf and %L to generate the label name.
26457 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26458 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26460 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26462 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26463 insn for a conditional jump can not be found.
26465 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26467 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26468 on variables in specific sections other than .sbss and .sdata.
26470 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26472 * stmt.c (expand_return): Call start_cleanup_deferral and
26473 end_cleanup_deferral around conditional code.
26475 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26477 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26478 filename lists. Utilizes new "krstr" AutoGen function.
26479 * fixinc/fixincl.x: Rebuilt.
26481 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26483 * i386.c (output_float_compare): Avoid GNU-C extensions.
26485 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26487 * version.c: Bump to distinguish mainline tree from the
26490 See ChangeLog.1 for earlier changes.