1 2005-11-11 Steven Bosscher <stevenb@suse.de>
4 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
6 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
7 before check_maybe_invariant.
8 (move_invariant_reg): Use gen_move_insn instead of replacing
9 SET_DEST with the temporary for the invariant.
10 (move_loop_invariants): If checking is enabled, do internal
11 consistency checks after completing the pass.
13 2005-11-11 David Edelsohn <edelsohn@gnu.org>
16 * common.opt (Wvolatile-register-var): New.
17 * varasm.c (make_decl_rtl): Only emit warning when option
18 specified. Clarify warning message.
19 * doc/invoke.texi (Wvolatile-register-var): Document new option.
21 * doc/md.texi (copysign): Document standard named pattern.
23 2005-11-11 Jie Zhang <jie.zhang@analog.com>
25 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
26 bytes when align is 2.
27 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
28 by the first instruction of the loop.
30 2005-11-11 Jason Merrill <jason@redhat.com>
33 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
36 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
38 PR rtl-optimization/22509
39 * local-alloc.c (memref_used_between_p): Check whether a function call
40 could not reference the memref.
42 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
44 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
45 algorithm so as to choose the best, not the worst, alternative.
46 Reset accumulated register class before processing next alternative.
48 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
51 * calls.c (expand_call): Copy a return value to a plain register
54 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
57 * varasm.c (assemble_name): Recompute name only for transparent
60 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
62 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
64 2005-11-04 Jeff Law <law@redhat.com>
67 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
68 perform reassociation if the parent statement will not die as
69 a result of the optimization.
71 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
73 * tree-ssa-alias.c (compute_may_aliases): Remove call to
75 * tree-dfa.c (referenced_var_remove): Remove function.
76 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
77 (delete_tree_ssa): Remove call to delete_old_heapvars.
78 Add call to delete_alias_heapvars.
79 * tree-flow.h (referenced_var_remove): Remove prototype
80 (init_alias_heapvars): New prototype.
81 (delete_alias_heapvars): Ditto.
82 * Makefile.in (tree-ssa-structalias.o): Add
83 gt-tree-ssa-structalias.o
84 (GTFILES): Add tree-ssa-structalias.h and
85 tree-ssa-structalias.c.
86 (s-gtype): Add gt-tree-ssa-structalias.h.
87 * tree-ssa-structalias.c (heapvars): Remove.
88 (oldheapvars): Remove.
89 (heapvar_for_stmt): New variable.
90 (heapvar_lookup): New function.
91 (heapvar_insert): Ditto.
92 (get_constraint_for): See if we have an old heapvar
94 (init_alias_heapvars): New function.
95 (delete_alias_heapvars): Ditto.
96 Add include of gt-tree-ssa-structalias.h.
98 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
101 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
103 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
105 * tree.c (int_fits_type_p): Only look at the base type
106 if it has the same precision as the original type.
108 2005-11-10 Jakub Jelinek <jakub@redhat.com>
111 * varasm.c (assemble_alias): Use %q+D in the error
112 message instead of %J and %qD.
114 2005-11-10 Richard Guenther <rguenther@suse.de>
116 * gcse.c (free_ldst_entry): Only free hashtable if
119 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
121 * function.c (assign_stack_local_1): Issue an error message if
122 the frame size overflows in the signed target arithmetics.
124 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
126 * tree.c (build_qualified_type): Chain the new type to the original
127 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
128 a POINTER_TYPE or a REFERENCE_TYPE respectively.
129 (build_pointer_type_for_mode): Only return unqualified types.
130 (build_reference_type_for_mode): Likewise.
132 2005-11-09 Jakub Jelinek <jakub@redhat.com>
134 * Makefile.in (gnucompare): Do comparison of all files using one of
135 the chosen methods and only afterwards decide if just warning should
136 be issued or comparison failure raised.
138 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
140 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
141 (noce_try_abs): Negate if the comparison is reversed.
142 Look only one instruction backwards for a REG_EQUAL note.
144 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
147 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
148 gthr-tpf.h: Define __gthrw. For all identifiers that might
149 be weak, introduce weakrefs or non-weak aliases with __gthrw,
150 and prefix all uses with __ghtrw.
152 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
155 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
156 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
157 * c-common.c (handle_weakref_attribute): New.
158 (c_common_attribute_table): Add weakref.
159 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
161 * configure, config.in: Rebuilt.
162 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
163 * doc/extend.texi: Document weakref attribute.
164 * varasm.c (ultimate_transparent_alias_target): New
165 (assemble_name): Use it.
166 (weak_finish_1): Split out of...
167 (weak_finish): ... and deal with weakrefs in...
168 (weakref_targets): ... new list.
169 (globalize_decl): Clean up weakref_targets.
170 (do_assemble_alias): Handle weakrefs.
171 (finish_aliases_1): Do not reject weakrefs to external symbols.
172 (assemble_alias): Handle weakrefs.
174 2005-11-09 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/24716
177 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
178 t_bool to track results from follow_ssa_edge.
180 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
182 * final.c (force_source_line): New global variable.
183 (final_scan_insn): Set it to true instead of clearing last_filename.
184 (notice_source_line): Return true if force_source_line is true,
185 unless source info is absent.
187 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
190 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
191 a linkage name for a variable if it a register variable.
192 * c-decl.c (grokdeclarator): Global register variables
193 should be set as PUBLIC.
195 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
198 * config/s390/s390.c (struct s390_frame_layout): New fields
199 first_save_gpr_slot and last_save_gpr_slot.
200 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
201 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
202 first_save_gpr and last_save_gpr with the _slot variants.
203 (s390_register_info): Calculate first_save_gpr_slot and
204 last_save_gpr_slot using regs_ever_live.
206 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
209 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
210 for a function containing a landing pad.
212 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
215 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
218 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
220 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
221 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
223 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
226 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
228 (call,load,store): New insn types.
229 (mem_access, branch_access): Adjust reservation conditions.
230 (define_delay): Adjust condition.
231 (decrement_and_branch_until_zero): Allow for ms2. Set branch
233 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
234 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
236 (call_internal, call_value_internal, return_internal,
237 return_interrupt_internal, eh_return_internal, indirect_jump,
238 tablejump): Set call insn type.
239 (blockage, ei, di): Use appropriate unspec const.
240 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
241 (ms1_get_attr_type): Adjust to give load & store types.
242 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
243 backwards past a barrier.
244 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
246 (struct branch_info, struct label_info): New.
248 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
249 (ms1_machine_reorg): New.
250 (TARGET_MACHINE_DEPENDENT_REORG): Override.
251 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
252 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
253 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
256 2005-11-09 Per Bothner <per@bothner.com>
257 Uros Bizjak <uros@kss-loka.si>
260 * toplev.c (process_options): Initialize debug_hooks early
261 in case lang_hooks.post_options ends up calling a debug_hook.
263 2005-11-08 Jakub Jelinek <jakub@redhat.com>
265 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
266 DBX_REGISTER_NUMBER being contiguous.
268 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
269 Diego Novillo <dnovillo@redhat.com>
272 * tree-vrp.c (register_edge_assert_for): Do not register
273 always-false predicates.
275 2005-11-08 Devang Patel <dpatel@apple.com>
277 PR tree-optimization/23115
278 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
281 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
283 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
286 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
288 Fix PR tree-optimization/23382
290 * tree-ssa-alias.c (compute_may_aliases): Call
291 delete_old_heap_vars.
292 * tree-dfa.c (referenced_var_remove): New function.
293 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
294 * tree-flow.h (referenced_var_remove): Add prototype.
295 (delete_old_heap_vars): Ditto.
296 * tree-ssa-structalias.c (heapvars): New variable.
297 (oldheapvars): Ditto.
298 (get_constraint_for): Put heap vars on heapvars list.
299 (delete_old_heap_vars): New function.
301 2005-11-08 Jason Merrill <jason@redhat.com>
303 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
305 2005-11-08 Uros Bizjak <uros@kss-loka.si>
308 * reg-stack.c (reg_to_stack): Update register liveness also
309 for flag_sched2_use_traces.
311 2005-11-08 Alan Modra <amodra@bigpond.net.au>
314 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
315 override prior explicit -mno-powerpc-gfxopt.
317 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
319 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
320 if the bitsize is zero.
321 * doc/md.texi (Standard Pattern Names): Document it.
323 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
324 (TARGET_PASS_BY_REFERENCE): Likewise.
326 2005-11-07 Ian Lance Taylor <ian@airs.com>
328 PR rtl-optimization/24683
329 * config/i386/i386.c (legitimize_pic_address): If constant operand
330 to PLUS is too large, put it in a register.
332 2005-11-07 Jie Zhang <jie.zhang@analog.com>
334 * configure.ac: Enable checking assembler dwarf2 support for bfin
336 * configure: Regenerate.
338 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
342 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
343 gen_easy_vector_constant_add_self): Delete.
344 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
346 (output_vec_const_move): Use gen_easy_altivec_constant.
347 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
348 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
349 (easy_vector_constant_add_self): Rewritten.
350 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
351 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
352 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
353 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
354 Macroize and adjust for the other changes.
356 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
360 * c-typeck.c (build_c_cast): Try using a shared constant, and see
361 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
363 2005-11-07 Jakub Jelinek <jakub@redhat.com>
365 PR rtl-optimization/23567
366 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
367 (noce_process_if_block): Don't do any optimizations except
368 if (cond) x = x; if !set_b and write into orig_x may trap
369 or fault. Remove the MEM_READONLY_P check.
371 2005-11-06 Diego Novillo <dnovillo@redhat.com>
374 * tree-vrp.c (fix_equivalence_set): New.
375 (extract_range_from_assert): Call it.
377 2005-11-05 Ian Lance Taylor <ian@airs.com>
380 * combine.c (apply_distributive_law): Don't distribute across a
383 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
385 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
386 config/ms1/ms1.h, config/rs6000/predicates.md,
387 config/s390/s390.c, params.def, postreload-gcse.c,
388 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
389 tree-vrp.c, tree.c: Fix comment typos.
390 * doc/invoke.texi: Fix typos.
392 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
394 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
395 for testing whether the data_dependence_relation contains distance
396 vectors. Iterate over all distance vectors of the ddr.
397 * lambda.h: Define a vec of lambda_vector pointers.
398 * tree-data-ref.c (dump_data_dependence_relation,
399 dump_data_dependence_direction): Iterate over all distance and
400 direction vectors of the ddr.
401 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
403 (build_classic_dist_vector, build_classic_dir_vector): Push a set
404 of distance/direction vectors instead of a single one.
405 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
406 lambda_vectors with a vec of lambda_vectors.
407 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
408 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
409 DDR_NUM_DIST_VECTS): New.
410 * tree-loop-linear.c (gather_interchange_stats): Test for the
411 existence of distance vectors only after having checked that there
412 is a dependence. Iterate over all distance vectors of the ddr.
413 (linear_transform_loops): Use dump_data_dependence_relation.
414 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
415 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
416 distance vectors of the ddr.
418 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
420 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
421 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
422 IS_INTHANDLER; all callers changed.
423 (n_regs_saved_by_prologue): Take interrupt handler attributes into
425 (do_link, do_unlink): New argument ALL; all callers changed.
426 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
427 If function isn't leaf, save and restore all registers.
428 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
431 2005-11-05 Jan Hubicka <jh@suse.cz>
433 PR rtl-optimization/23490
434 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
435 max-flow-memory-location): Document.
436 * flow.c: Include params.h
437 (MAX_MEM_SET_LIST_LEN): Kill.
438 (add_to_mem_set_list): Use new param.
439 * cse.c (cse_basic_block): Replace 1000 by new param.
440 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
441 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
442 * predict.c (predict_loops): Use new param.
443 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
445 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
446 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
447 Do not hold memory returned by cgraph_node_name across other call.
449 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
452 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
455 2005-11-04 Jeff Law <law@redhat.com>
458 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
459 * tree-ssa-dom.c: Include params.h.
460 (thread_across_edge): If there are too many statements in the
461 target block, then do not thread through it.
462 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
463 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
465 2005-11-03 Diego Novillo <dnovillo@redhat.com>
468 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
469 TODO_update_ssa instead of TODO_update_ssa_no_phi.
471 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
474 * tree-scalar-evolution.c (instantiate_parameters_1,
475 instantiate_parameters, resolve_mixers): Compute the size of an
476 expression to be instantiated and give up the instantiation if the
477 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
479 2005-11-04 Richard Guenther <rguenther@suse.de>
481 * tree-flow.h (ref_contains_indirect_ref): Rename to
482 array_ref_contains_indirect_ref.
483 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
484 (array_ref_contains_indirect_ref): Make comment match the code
486 (ref_contains_array_ref): Likewise.
487 * tree-ssa-structalias.c (find_func_aliases): Remove call to
488 ref_contains_indirect_ref.
489 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
490 Rename calls to ref_contains_indirect_ref.
492 2005-11-04 Paul Brook <paul@codesourcery.com>
494 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
495 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
496 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
497 * config/arm/arm.md: Use match_operand in peephole input templates
498 and match_dup in peephole output templates.
500 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
502 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
505 2005-11-04 Mark Mitchell <mark@codesourcery.com>
506 Daniel Jacobowitz <dan@codesourcery.com>
508 * longlong.h (add_ssaaaa): Clobber condition code register
510 (sub_ddmmss): Likewise.
511 (umul_ppmm): Likewise.
513 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
514 Paul Brook <paul@codesourcery.com>
515 Phil Blundell <pb@reciva.com>
517 * configure.ac: Add test for ARM TLS support.
518 * configure: Regenerated.
519 * config/arm/arm-protos.h (legitimize_tls_address)
520 (arm_tls_referenced_p, tls_mentioned_p)
521 (arm_output_addr_const_extra): New prototypes.
522 (thumb_legitimize_pic_address): Delete.
523 * config/arm/arm.c: Include "gt-arm.h".
524 (enum tls_reloc): New.
525 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
526 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
527 (arm_call_tls_get_addr, legitimize_tls_address)
528 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
529 (arm_init_tls_builtins, arm_emit_tls_decoration)
530 (arm_output_addr_const_extra): New functions.
531 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
532 (TARGET_HAVE_TLS): Define.
533 (target_thread_pointer): New.
534 (arm_override_options): Handle -mtp=.
535 (legitimize_pic_address): Ignore UNSPECs.
536 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
538 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
539 (tls_get_addr_libfunc): New variable.
540 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
541 (arm_init_builtins): Call arm_init_tls_builtins.
542 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
543 (arm_encode_section_info): Call default_encode_section_info.
544 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
545 (enum arm_tp_type): New.
546 (target_thread_pointer): Add declaration.
547 (LEGITIMATE_CONSTANT_P): Handle TLS.
548 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
549 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
550 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
551 * config/arm/arm.md: Add UNSPEC_TLS.
553 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
555 (tls_load_dot_plus_eight): New insn and a peephole to create it.
556 (load_tp_hard, load_tp_soft): New insns.
557 * arm.opt: Add -mtp=.
558 * doc/invoke.texi (ARM Options): Document -mtp.
560 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
562 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
563 * config/arm/libunwind.S: Include "lib1funcs.asm".
564 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
565 (LIB2ADDEH): Add libunwind.S.
566 (LIB2ADDEHDEP): Add lib1funcs.asm.
567 * mklibgcc.in: Handle asm files in libgcc_eh.a.
569 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
572 * gcc/c.opt: Add a -lang-fortran option.
573 * gcc/c-opts.c: Add a lang_fortran flag.
574 (c_common_init_options): Handling the -lang-fortran option.
575 (c_common_handle_option): Add a case for Fortran options in
576 preprocessing. Remove cases for -ffixed-form and
577 -ffixed-line-length. Add a case for -lang-fortran.
579 2005-11-03 David Edelsohn <edelsohn@gnu.org>
581 * config/rs6000/rs6000.c: Include params.h
582 (optimization_options): Set max-grow-copy-bb-insns default to 16.
583 (bdesc_2arg): Delete vpkuhss and vpkuwss.
584 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
585 (UNSPEC_VPKUWSS): Delete.
586 (altivec_vpkuhss): Delete.
587 (altivec_vpkuwss): Delete.
588 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
590 (neg_eq0<mode>): Remove final condition.
591 (neg_eq<mode>): Remove condition and split-condition.
593 2005-11-04 Alan Modra <amodra@bigpond.net.au>
595 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
596 Use associated print macros.
598 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
601 * diagnostic.c (diagnostic_set_info_translated): New function.
602 (diagnostic_set_info): Use it. Add comment.
603 * diagnostic.h (diagnostic_set_info_translated): Declare.
605 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
607 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
608 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
609 reference only if 'public' is true.
610 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
611 emit the .hidden directive only if the indirect reference is public.
612 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
613 Pass it to dw2_force_const_mem.
614 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
615 * dwarf2out.c (output_cfi): Adjust calls to above function.
616 (output_call_frame_info): Likewise.
617 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
618 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
620 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
622 PR tree-optimization/24483
623 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
624 field to elts if possible.
626 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
629 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
632 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
634 Fix PR tree-optimization/24351
636 * tree-ssa-structalias.c (struct variable_info): Add
638 (get_varinfo_fc): New function to follow collapsing.
639 (new_var_info): Set collapsed_to to NULL.
640 (dump_constraint): Follow collapsing.
641 (build_constraint_graph): Handle collapsing.
642 (do_simple_structure_copy): Return false if something bad
644 (collapse_rest_of_var): New function.
645 (do_structure_copy): Collapse if do_simple_structure_copy returns
648 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
651 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
652 expressions to a statement list instead of gimplifying them.
654 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
656 PR rtl-optimization/23585
657 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
658 that can't trap plus a constant integer, if the mode has zero size.
660 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
663 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
665 ("*insv<mode>_reg_extimm"): Likewise.
667 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
670 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
671 c_common_type_for_mode returns an unnamed type.
673 2005-11-02 Richard Henderson <rth@redhat.com>
677 * dwarf2out.c (dwarf2out_reg_save_reg): New.
678 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
679 * function.c (assign_parms): Use calls.internal_arg_pointer.
680 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
682 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
683 (TARGET_CALLS): Add it.
684 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
685 * targhooks.c (default_internal_arg_pointer): New.
686 * targhooks.h (default_internal_arg_pointer): Declare.
687 * tree.h (dwarf2out_reg_save_reg): Declare.
688 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
689 * config/i386/i386.c (dbx_register_map): Add return column.
690 (dbx64_register_map, svr4_dbx_register_map): Likewise.
691 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
692 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
693 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
694 (ix86_save_reg): Save force_align_arg_pointer.
695 (ix86_emit_save_regs): Make regno unsigned.
696 (ix86_emit_save_regs_using_mov): Likewise.
697 (ix86_expand_prologue): Handle force_align_arg_pointer.
698 (ix86_expand_epilogue): Likewise.
699 * config/i386/i386.h: (dbx_register_map): Update.
700 (dbx64_register_map, svr4_dbx_register_map): Update.
701 (struct machine_function): Add force_align_arg_pointer.
702 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
703 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
704 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
706 2005-11-02 Jan Hubicka <jh@suse.cz>
709 * i386.md: Add peep2 for simplyfing array accesses.
711 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
714 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
715 * config/s390/s390.c (s390_decompose_shift_count): New function.
716 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
717 (print_shift_count_operand): Use s390_decompose_shift_count.
718 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
719 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
721 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
724 * loop.c (loop_givs_rescan): Use force_operand to expand
727 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
730 * fold-const.c (build_range_check): Use unsigned when signed
731 overflow is undefined also. If etype is subtype, make sure that
732 the subtraction is in the supertype.
734 2005-11-02 Richard Henderson <rth@redhat.com>
737 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
740 2005-11-01 Richard Henderson <rth@redhat.com>
743 * loop.c (scan_loop): Do not propagate computations to a hard
744 register destination with SMALL_REGISTER_CLASSES.
746 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
748 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
749 costs for MULT inside PLUS or MINUS.
751 2005-11-01 Bob Wilson <bob.wilson@acm.org>
753 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
754 (TRAMPOLINE_SIZE): Round up to 60.
755 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
757 2005-10-31 James E. Wilson <wilson@specifix.com>
760 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
761 ifdef. Put ifdefs around call in gen_subprogram_die.
762 (compute_frame_pointer_to_cfa_displacement): Likewise.
763 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
766 PR rtl-optimization/17356
767 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
768 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
770 2005-10-31 Jan Hubicka <jh@suse.cz>
773 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
776 * i386.c (legitimize_pic_address): Deal with large immediates.
779 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
780 from symbol names while computing checkup.
783 * predict.c (predict_loops): Do not estimate more than
784 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
785 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
787 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
789 PR tree-optimization/19097
790 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
792 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
794 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
796 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
799 * tree-inline.c (setup_one_parameter): If the init_stmt
800 is NULL, don't insert the statement.
802 2005-10-30 Jan Hubicka <jh@suse.cz>
804 PR tree-optimization/24172
805 * tree-inline.c (copy_body_r): Unshare the substituted value first.
807 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
809 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
810 constants for hosts with long != 32 bits.
812 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
815 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
817 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
819 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
820 (TARGET_MS1_16_002): New.
821 (TARGET_MS1_16_003): New.
823 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
824 ("*decrement_and_branch_until_zero_no_clobber"): New.
825 Add corresponding splitter for decrement_and_branch_until_zero
827 Key all decrement_and_branch_until_zero patterns off of
830 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
833 * tree-complex.c (extract_component): Treat RESULT_DECL
834 like the rest of the decls.
836 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
838 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
839 indirect call to _mcount if the function needs a static chain.
841 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
842 Caroline Tice <ctice@apple.com>
844 PR rtl-optimization/24460
845 * dwarf2out.c (have_switched_text_sections): New boolean variable.
846 (dwarf2out_switch_text_section): Set it to true instead of
847 incrementing separate_line_info_table_in_use.
848 (output_loc_list): Additionally test have_switched_text_sections.
849 (output_ranges): Likewise.
850 (dwarf2out_finish): Likewise.
851 * varasm.c (assemble_start_function): Do not call
852 insert_section_boundary_note.
853 (assemble_end_function): If flag_reorder_blocks_and_partition,
854 switch to the function's section before emitting the .size directive.
855 * bb-reorder.c (insert_section_boundary_note): Staticify.
856 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
857 * output.h (insert_section_boundary_note): Delete.
859 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
862 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
863 instead of pointer equality when comparing types.
865 2005-10-24 James E. Wilson <wilson@specifix.com>
867 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
868 add_dependence_list_and_free calls.
870 2005-10-24 Steven Bosscher <stevenb@suse.de>
872 * contrib.texi: Add the names of the LLNL folks who donated
873 Cray pointer support for gfortran.
875 2005-10-24 Steven Bosscher <stevenb@suse.de>
877 PR tree-optimization/24225
878 * profile.c (branch_prob): Look from end to start through a
879 basic block when looking for a locus.
881 2005-10-24 Richard Henderson <rth@redhat.com>
883 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
885 (hppa_expand_prologue): Likewise.
887 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
889 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
890 (NO_DEFERRED_PROFILE_COUNTERS): Define.
891 * pa.h (NO_PROFILE_COUNTERS): Define.
892 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
893 (funcdef_nos): New vector to hold label numbers of deferred profile
895 (output_deferred_profile_counters): New function.
896 (hppa_profile_hook): Push label number onto funcdef_nos.
897 (pa_hpux_file_end): Call output_deferred_profile_counters if
898 NO_DEFERRED_PROFILE_COUNTERS is false.
900 * pa-protos.h (get_deferred_plabel): New prototype.
901 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
903 (output_call): Adjust calls.
905 2005-10-24 Alan Modra <amodra@bigpond.net.au>
907 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
908 peculiarity of GOT/TOC section usage.
910 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
913 * c-common.c (constant_string_class_name): Add documentation.
915 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
918 * recog.c (peephole2_optimize): Increment peep2_current_count
919 only when the slot is empty.
921 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
924 * except.c (output_function_exception_table): Call
925 assemble_external_libcall if we need a personality function.
927 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
929 PR rtl-optimization/24460
930 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
931 set the basic block for barriers.
933 2005-10-21 Janis Johnson <janis187@us.ibm.com>
935 * var-tracking.c (vt_initialize): Initialize post.
937 2005-10-21 Devang Patel <dpatel@apple.com>
940 * c-common.c (vector_types_convertible_p): Check vector element type.
942 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
944 * config/sh/sh.c (prepare_move_operands): Handle the address
945 constant which is a tls symbolic address plus a constant.
947 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
950 * gcc.c (main): Use the correct counter for erroring out
951 about mulitple files.
953 2005-10-21 Alan Modra <amodra@bigpond.net.au>
956 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
957 use r2 for 64-bit tls .got access.
959 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
961 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
964 2005-10-20 Steven Bosscher <stevenb@suse.de>
966 PR tree-optimization/24307
967 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
969 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
972 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
974 * varasm.c (find_decl_and_mark_needed): After cgraph global info
975 is ready, stop marking functions, but still mark variables.
977 2005-10-20 Richard Guenther <rguenther@suse.de>
980 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
983 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
985 PR rtl-optimization/23585
986 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
987 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
988 (may_trap_p_1): New predicate extracted from...
989 (may_trap_p): ... here. Invoke may_trap_p_1.
990 (may_trap_or_fault_p): New predicate.
991 * rtl.h (may_trap_or_fault_p): Declare it.
992 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
993 instead of may_trap_p.
994 (steal_delay_list_from_fallthrough): Likewise.
995 (fill_simple_delay_slots): Likewise.
996 (fill_slots_from_thread): Likewise.
997 * function.c (pad_to_arg_alignment): Rework comment about
998 SPARC_STACK_BOUNDARY_HACK.
999 * config/sparc/sparc.h: Likewise.
1001 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1003 * config/s390/s390.c (s390_expand_insv): New.
1004 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1005 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1006 ("icm_hi"): Remove mode attribute.
1007 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1009 ("*extracthi", "*extractqi"): Remove.
1010 (extv<mode>", "*extzv<mode>"): New.
1011 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1012 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1014 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1016 * cfgexpand.c (discover_nonconstant_array_refs_r,
1017 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1018 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1019 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1020 discover_nonconstant_array_refs.
1022 2005-10-19 Steven Bosscher <stevenb@suse.de>
1025 * c-decl.c (pop_scope): Don't warn about an unused variable
1026 if it is marked with TREE_NO_WARNING.
1027 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1028 somenow mismatch and olddecl is to be replaced.
1030 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1033 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1034 whether registers live on the edge can be saved/restored.
1036 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1038 * config/sh/sh.c (fixup_mova): Skip notes.
1040 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1042 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1043 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1044 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1045 (s390_initial_elimination_offset): Likewise.
1046 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1047 register on TARGET_ZARCH targets.
1048 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1049 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1050 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1051 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1053 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1055 * config/s390/s390.md: Comment describing output modifiers updated.
1056 * config/s390/s390.c (print_operand): Likewise.
1058 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1060 * config/s390/s390.c (override_options): Added check for -mstack-size
1062 * doc/invoke.texi: Mention that limit in the documenation.
1064 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1067 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1069 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1071 Fix PR tree-optimization/24231
1073 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1074 (compute_avail): Ditto.
1076 2005-10-18 Richard Henderson <rth@redhat.com>
1079 * config/i386/i386.c (legitimate_constant_p): Check
1080 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1082 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1083 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1084 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1086 (print_operand_address): Likewise.
1087 * config/i386/predicates.md (x86_64_immediate_operand): Test
1088 SYMBOL_REF_TLS_MODEL properly inside CONST.
1089 (x86_64_zext_immediate_operand): Likewise.
1090 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1091 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1092 * config/i386/i386-protos.h: Remove predicates.md entries.
1094 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1096 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1097 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1099 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1100 Ian Lance Taylor <ian@airs.com>
1103 * fold-const.c (fold_widened_comparison): Do not allow range based
1104 constant folding when right operand cannot be unwidened.
1106 2005-10-17 Richard Henderson <rth@redhat.com>
1108 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1109 with a memory clobber.
1111 2005-10-17 James E Wilson <wilson@specifix.com>
1113 PR rtl-optimization/17356
1114 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1115 checking for EDGE_EH.
1117 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1119 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1120 the slot on an even boundary for any type with 16-byte alignment.
1122 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1125 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1126 after register allocation.
1128 2005-10-17 DJ Delorie <dj@redhat.com>
1130 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1133 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1136 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1139 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1141 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1142 to 2 if it's already non-zero.
1143 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1144 is set and warn about it if flag_schedule_insns is 1.
1146 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1148 * config/crx/crx.md: Compare-and-branch instructions need to
1151 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1154 * config/i386/i386.md (*pushdi2_rex64 splitter)
1155 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1156 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1157 flow2 pass only when (optimize > 0 && flag_peephole2).
1159 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1162 * gcc.c (have_c): New static variable.
1164 (process_command): Remove declation of have_c.
1165 Set have_o to 1 when handling -o.
1166 (main): Add a fatel error if there are multiple
1167 files specified and -o and -c/-S is passed witout
1168 -combine or multiple languages.
1170 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1172 Fix PR tree-optimization/22444
1173 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1174 Assert that we don't hit something with subvars.
1175 (setup_pointers_and_addressables): Don't add things with subvars,
1176 because we'll already process the subvars for aliasing purposes.
1178 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1181 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1182 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1183 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1184 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1185 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1186 swapped, alternatives for the R constraint.
1189 * builtins.c (get_builtin_sync_mode): Make unlimited
1190 mode_for_size request.
1192 2005-10-15 Richard Henderson <rth@redhat.com>
1194 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1195 (gimplify_expr): ... here.
1196 (gimplify_compound_lval): Use it in initial scan loop. Allow
1197 fb_lvalue in base expression.
1199 2005-10-15 Richard Henderson <rth@redhat.com>
1202 * builtins.c (expand_builtin_trap): Export.
1203 * expr.h (expand_builtin_trap): Declare.
1204 * expr.c (expand_assignment): Emit a trap for integral offsets
1205 from registers that weren't reduced to bitpos.
1207 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1208 (mark_array_ref_addressable): Remove.
1209 * tree-flow.h (mark_array_ref_addressable): Remove.
1210 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1212 2005-10-15 James E Wilson <wilson@specifix.com>
1215 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1216 (add_dependence_list_and_free): Likewise.
1217 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1220 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1224 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1225 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1227 (vrp_visit_phi_node): Only prevent infinite iterations when
1228 the previous result and the new result are both VR_RANGEs.
1230 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1232 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1235 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1238 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1241 2005-10-14 Per Bothner <per@bothner.com>
1243 PR preprocessor/21250
1244 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1246 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1249 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1250 overflow flags. Refactor some conditionals.
1252 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1255 * tree-dfa.c (add_referenced_var): Only look at decls which
1256 have TREE_CONSTANT or TREE_READONLY set instead of if
1257 !TREE_PUBLIC or !TREE_CONSTANT.
1259 2005-10-13 James E Wilson <wilson@specifix.com>
1261 * doc/invoke.texi: For -x, add f95-cpp-input.
1262 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1264 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1266 PR tree-optimization/24262
1267 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1268 in loop all the time.
1270 2005-10-12 Richard Henderson <rth@redhat.com>
1273 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1274 * function.c (assign_parm_find_data_types): Don't support it.
1275 * print-tree.c (print_node): Likewise.
1276 * c-common.c (handle_transparent_union_attribute): Likewise.
1277 Use build_duplicate_type.
1278 * tree-inline.c (remap_type_1): Split out of remap_type;
1279 properly remap aggregate fields.
1280 (build_duplicate_type): New.
1281 * doc/extend.texi (Variable Attributes): Remove documentation
1282 for transparent_union.
1284 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1287 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1288 (gen_stack_pointer_dec): Likewise.
1290 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1294 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1296 (struct cxx): Add adjust_class_at_definition target hook.
1297 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1298 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1299 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1300 hook_void_tree. Add to TARGET_CXX.
1301 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1303 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1304 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1305 instead of attribute. Check for dllexport override. Warn if
1306 inconsistent dll linkage. Don't lose old dllimport if decl has
1307 had address referenced. Tweak lookup of dllimport atribute.
1308 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1309 for target specific rules. Don't add dllimport attribute if
1310 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1311 dllimport attribute.
1312 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1313 * varasm.c (initializer_constant_valid_p): Replace
1314 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1318 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1319 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1320 (i[34567]86-*-mingw32*): Likewise.
1322 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1323 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1325 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1326 C++-specific code. Change return value to bool.
1327 (i386_pe_dllimport_p): Likewise.
1328 (associated_type): Simplify and make language-independent
1329 (i386_pe_encode_section_info): Replace override of ambiguous
1330 dllimport symbol refs with a gcc_assert.
1331 (i386_pe_valid_dllimport_attribute_p): Define.
1332 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1333 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1334 i386_pe_adjust_class_at_definition.
1335 * config/i386/winnt-stubs.c: New file. Define stub versions of
1336 lang-specific functions.
1337 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1338 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1339 i386_pe_adjust_class_at_definition.
1340 (i386_pe_valid_dllimport_attribute_p): Declare.
1341 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1342 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1343 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1346 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1347 dllimport attribute with test of DECL_DLLIMPORT_P.
1349 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1351 * combine.c (make_extraction): Correct offset computation.
1353 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1355 * config/cris/t-linux (LIMITS_H_TEST): Define.
1357 2005-10-12 Richard Henderson <rth@redhat.com>
1360 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1362 2005-10-12 Richard Guenther <rguenther@suse.de>
1364 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1366 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1369 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1370 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1373 2005-10-12 Richard Guenther <rguenther@suse.de>
1376 * varasm.c (output_constant): Correct typo from previous
1379 2005-10-11 Ian Lance Taylor <ian@airs.com>
1381 PR rtl-optimization/13931
1382 * combine.c: Revert patch of 2003-05-14, and:
1383 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1384 completely killed in the appropriate insn.
1385 (distribute_notes): Don't skip multiple hard register test for
1386 elim_i1 and elim_i2.
1388 2005-10-11 Richard Henderson <rth@redhat.com>
1391 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1392 to initialize a transparent union instead of a nop_expr.
1394 2005-10-11 Richard Henderson <rth@redhat.com>
1396 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1397 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1398 (tree_ssa_dce_loop): Call scev_reset.
1401 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1402 * tree-ssa-dce.c: Include cfgloop.h.
1403 (tree_ssa_dce_loop, pass_dce_loop): New.
1404 * tree-pass.h (pass_dce_loop): Declare it.
1405 * passes.c (init_optimization_passes): Use it.
1407 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1410 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1411 Only apply the optimization for rounding builtins if the inner
1412 cast is also an extension.
1414 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1417 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1418 mark_new_vars_to_rename instead of update_stmt.
1420 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1422 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1424 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1426 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1427 for setting MMX register to 0 rather than mmx.
1429 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1432 * configure.ac: Move gas check from mips specific case to common case.
1433 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1434 * configure: Regenerate
1435 * doc/install.texi: Update.
1437 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1440 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1442 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1444 * gcc.c (do_spec_1): Accept numeric characters in file name
1447 2005-10-10 Nick Clifton <nickc@redhat.com>
1449 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1450 describing the deleted arm_gen_rotated_half_load function.
1452 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1454 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1457 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1459 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1461 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1462 (EXTRA_MULTILIB_PARTS): Define.
1463 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1464 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1465 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1466 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1467 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1468 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1470 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1472 PR tree-optimization/24226
1473 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1474 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1475 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1478 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1480 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1482 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1485 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1486 Rewrite for no need for the early clobber.
1488 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1490 Merge from csl-arm-branch:
1491 2005-09-07 Paul Brook <paul@codesourcery.com>
1492 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1495 2005-04-30 Paul Brook <paul@codesourcery.com>
1496 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1497 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1499 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1500 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1501 (arm_override_options): Use TARGET_AAPCS_BASED.
1502 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1503 (PTRDIFF_TYPE): Use int for AAPCS.
1504 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1505 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1506 (DEFAULT_SHORT_ENUMS): Delete.
1507 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1509 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1510 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1511 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1512 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1514 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1515 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1517 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1518 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1520 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1521 * config.gcc (arm*-*-linux-gnueabi): Add it.
1522 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1524 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1525 * config/arm/linux-eabi.h: New file.
1526 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1527 (LINUX_TARET_LINK_SPEC): Likewise.
1528 (LINK_SPEC): Use it.
1529 * config/arm/t-linux-eabi: New file.
1531 2005-10-08 Steven Bosscher <stevenb@suse.de>
1534 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1536 (PARAM_SMS_DFA_HISTORY): Likewise.
1538 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1541 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1542 (load_register_parameters): Call it.
1543 (check_sibcall_argument_overlap_1): Likewise.
1544 (store_one_arg): Likewise.
1546 2005-10-07 James E. Wilson <wilson@specifix.com>
1548 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1549 DImode not VECINT24 for operand 2.
1552 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1556 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1557 fr_spill): Use destination_operand for operand 0.
1559 2005-10-07 DJ Delorie <dj@redhat.com>
1561 * varasm.c (output_constant): Limit error to expanding
1564 2005-10-07 Richard Guenther <rguenther@suse.de>
1567 * fold-const.c (fold_binary): Fix operand types during folding
1568 of X op (A, Y). Evaluation order of the side-effects of
1569 X and A are frontend-defined, so ensure we honour that even for
1570 tcc_comparison class operands; eased by removing duplicate code.
1572 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1574 * stor-layout.c (layout_type): Do not allow alignment of array
1575 elements to be greater than their size.
1577 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1579 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1581 (hppa*-*-linux*): Ditto.
1582 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1583 * config/host-hpux.c: New.
1584 * config/x-hpux: New.
1585 * config/pa/x-hpux: Remove.
1586 * config/pa/x-linux: Remove.
1587 * config/pa/pa-host.c: Remove.
1589 2005-10-07 Jeff Law <law@redhat.com>
1591 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1592 determine whether or not to try and thread outgoing edges.
1594 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1596 * config/rs6000/rs6000.md (eqsi_power): New.
1597 (neg_eq0si): Add TARGET_POWER to final condition.
1600 2005-10-06 Richard Henderson <rth@redhat.com>
1602 * config/rs6000/rs6000.c: Revert last change.
1604 2005-10-06 Richard Henderson <rth@redhat.com>
1606 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1607 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1609 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1613 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1614 out return_label and naked_return_label.
1616 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1618 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1621 2005-10-06 Richard Henderson <rth@redhat.com>
1624 * tree-inline.c (declare_return_variable): Handle modify_dest not
1627 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1629 Fix PR tree-optimization/22488
1630 * tree-ssa-structalias.c (check_for_overlaps): New function.
1631 (create_variable_info_for): Use it.
1633 2005-10-06 Richard Henderson <rth@redhat.com>
1636 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1637 (dwarf2out_start_source_file): Print it.
1639 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1641 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1643 2005-10-06 Richard Henderson <rth@redhat.com>
1646 * mode-switching.c (optimize_mode_switching): Clear transp bit
1647 for block with incomming abnormal edges.
1649 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1650 (fpscr_set_from_mem): Use them.
1651 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1652 (fpscr postinc splitters): Rewrite as peephole2+split.
1654 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1656 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1657 (eq<mode>_compare): Same.
1659 2005-10-06 Richard Guenther <rguenther@suse.de>
1661 PR tree-optimization/24238
1662 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1664 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1666 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1667 here. Use AC_PATH_PROG for environment variables instead of
1669 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1671 * configure: Regenerated.
1673 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1676 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1677 then force it into a register.
1678 (call_value): Likewise.
1680 2005-10-06 Richard Henderson <rth@redhat.com>
1683 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1684 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1685 under pass_vectorize.
1687 2005-10-05 Devang Patel <dpatel@apple.com>
1690 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1691 handling constants. Check NAMESPACE_DECL context for constants.
1693 2005-10-05 Eric Christopher <echristo@apple.com>
1695 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1697 2005-10-05 Richard Henderson <rth@redhat.com>
1700 * tree-cfg.c (mark_array_ref_addressable_1): New.
1701 (mark_array_ref_addressable): New.
1702 * tree-flow.h (mark_array_ref_addressable): Declare.
1703 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1705 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1709 * reload.c (subst_reloads): When adding a REG_LABEL to a
1710 jump instruction, also update JUMP_LABEL.
1712 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1714 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1715 * bb-reorder.c (copy_bb_p): Use it.
1716 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1718 2005-10-05 Richard Henderson <rth@redhat.com>
1721 * toplev.c (process_options): Warn about unsupported combinations
1722 of unwind tables and omit-frame-pointer.
1723 * config/i386/i386.c (override_options): Similarly. Enable
1724 accumulate-outgoing-args if not explicitly disabled.
1726 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1728 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1729 Handle big endian vs. small endian.
1730 (vec_initv2sf): Handle big endian vs. small endian.
1731 (*vec_extractv2sf_1): Ditto.
1733 2005-10-05 Dale Johannesen <dalej@apple.com>
1735 * convert.c (convert_to_real): Don't convert
1736 (float)floor(double d) to floorf((float)d).
1738 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1740 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1742 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1744 PR tree-optimization/18587
1745 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1746 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1747 build_vuses): Change to VEC type.
1748 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1749 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1750 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1751 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1752 (get_name_decl): New. Return DECL_UID of base variable.
1753 (operand_build_cmp): New. qsort comparison routine.
1754 (operand_build_sort_virtual): New. Sort virtual build vector.
1755 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1756 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1757 (FINALIZE_BASE): Use get_name_decl.
1758 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1759 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1760 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1761 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1762 direct VEC_* manipulations.
1763 (build_ssa_operands): Call operand_build_sort_virtual.
1764 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1765 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1766 with direct VEC_* manipulations.
1767 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1768 with direct VEC manipulations.
1770 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1772 PR tree-optimization/21419
1773 PR tree-optimization/24146
1774 PR tree-optimization/24151
1776 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1777 (build_asm_expr): Call it if outputs are read-only.
1778 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1780 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1781 Paolo Bonzini <bonzini@gnu.org>
1785 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1786 enable the instructions and not just the built-ins.
1787 * doc/invoke.texi (x86 Options): Likewise.
1789 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1791 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1793 * doc/invoke.texi (Option Summary): Correct spelling
1794 of -mmacosx-version-min.
1796 2005-10-04 Devang Patel <dpatel@apple.com>
1798 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1801 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1803 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1804 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1806 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1808 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1809 ("TE","tg"): New mode attributes.
1810 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1811 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1812 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1813 dword_mode and one for GPRmode.
1815 2005-10-04 Ian Lance Taylor <ian@airs.com>
1817 PR preprocessor/13726
1818 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1819 any comments passed in.
1821 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1823 * tree.c (annotate_with_file_line): Fix typo.
1825 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1828 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1829 type used to access data in the inlined length == 1 case, use
1830 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1831 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1833 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1835 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1836 TARGET_SSE3 and only for TARGET_80387.
1837 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1838 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1839 Do not depend on TARGET_80387.
1841 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1843 * tree.c (last_annotated_node): Change type to location_t*.
1844 (annotate_with_file_line): Reflect the change of
1845 last_annotated_node type.
1847 2005-10-04 Richard Guenther <rguenther@suse.de>
1850 * c-decl.c (grokdeclarator): Don't write to fields
1853 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1856 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1858 * varasm.c (make_decl_rtl): If a register variable does not
1859 have a set user assmbler name, error out.
1860 Decode the asmspec is now name+1 bypassing '*'.
1862 2005-10-04 Steven Bosscher <stevenb@suse.de>
1864 PR tree-optimization/23049
1865 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1866 of a COND_EXPR is folded before calling fold on the whole rhs of a
1867 conditional assignment.
1868 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1869 document that a COND_EXPR may appear there.
1871 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1874 * tree-vrp.c (extract_range_from_assert): If the new numeric
1875 range created out of the assertion contradicts the existing
1876 numeric range of the ASSERT_EXPR variable, make the new range
1879 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1881 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1882 from T_REGS to FP register class.
1884 2005-10-03 Richard Henderson <rth@redhat.com>
1887 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1888 before creating a new one.
1890 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1892 * config/rs6000/t-aix43 (LDFLAGS): New.
1893 * config/rs6000/t-aix52 (LDFLAGS): New.
1895 2005-10-03 Ian Lance Taylor <ian@airs.com>
1897 * gimplify.c (find_single_pointer_decl_1): New static function.
1898 (find_single_pointer_decl): New static function.
1899 (internal_get_tmp_var): For a formal variable, set restrict base
1900 information if appropriate.
1901 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1903 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1904 (DECL_GET_RESTRICT_BASE): Define.
1905 (SET_DECL_RESTRICT_BASE): Define.
1906 (decl_restrict_base_lookup): Declare.
1907 (decl_restrict_base_insert): Declare.
1908 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1909 * tree.c (restrict_base_for_decl): New static variable.
1910 (init_ttree): Initialize restrict_base_for_decl.
1911 (copy_node_stat): Copy restrict base information.
1912 (decl_restrict_base_lookup): New function.
1913 (decl_restrict_base_insert): New function.
1914 (print_restrict_base_statistics): New static function.
1915 (dump_tree_statistics): Call print_restrict_base_statistics.
1917 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1920 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1921 case of anti-ranges.
1923 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1926 * c-typeck.c (tagged_tu_seen): Rename to ...
1927 (tagged_tu_seen_cache): this and add val field.
1928 (comptypes): Move functional to comptypes_internal
1929 and free tagged_tu_seen.
1930 (comptypes_internal): New function and call comptypes_internal
1931 instead of comptypes. Speed up by sibcalling
1932 tagged_types_tu_compatible_p.
1933 (alloc_tagged_tu_seen): New function
1934 (free_all_tagged_tu_seen_up_to): New function.
1935 (tagged_types_tu_compatible_p): Return the val of the seen two
1937 Add that the two types are the same to tagged_tu_seen_base
1938 if they are and call comptypes_internal instead of comptypes.
1939 <case UNION_TYPE>: Speed up common type where the fields are
1941 (function_types_compatible_p): Call comptypes_internal instead of
1943 (type_lists_compatible_p): Likewise.
1944 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1946 2005-10-02 Matthias Klose <doko@debian.org>
1948 * doc/invoke.texi: Fix typo and speling error.
1950 2005-10-01 Richard Henderson <rth@redhat.com>
1952 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1954 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1956 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1957 using --start-group and --end-group.
1959 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1961 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1962 FIXME note regarding quirky semantics.
1964 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1967 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1968 non-null range as a last resort.
1970 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1971 Diego Novillo <dnovillo@redhat.com>
1974 * tree-vrp.c (extract_range_from_assert): For !=
1975 assertions, only build an anti-range if LIMIT is a
1976 single-valued range.
1978 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1980 * arm.md (movqi): On thumb when optimizing, handle loading from
1981 memory by describing this as taking a subreg of a zero-extended load
1982 into an SImode register.
1985 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1987 * reload1.c (merge_assigned_reloads): Do not change any
1988 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1990 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1992 * Makefile.in (LIPO_FOR_TARGET): Define.
1993 (STRIP_FOR_TARGET): Define.
1995 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1996 before creating new ones. Do symlinks before creating the actual
1999 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2000 to work out which multilibs are actually being built.
2002 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2004 * tree-vect-transform.c, config/ms1/ms1.md,
2005 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2006 Follow spelling conventions.
2007 * doc/invoke.texi, doc/md.texi: Fix typos.
2009 2005-09-30 Andrew Macleod <amacleod@redat.com>
2011 PR tree-optimization/21430
2012 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2013 use operands, and set stmt pointer if need be.
2014 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2015 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2018 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2021 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2023 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2025 * optabs.c (expand_binop): Initialize first_pass_p.
2027 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2030 * c-decl.c (c_write_global_declarations_1): If any
2031 wrapup_global_declaration_2 call returned true, restart the loop.
2033 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2035 Fix PR tree-optimization/24117
2036 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2037 before considering whether to use anyoffset.
2039 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2043 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2045 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2047 (swap_commutative_operands_with_target): New.
2049 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2052 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2055 2005-09-29 Steven Bosscher <stevenb@suse.de>
2057 PR tree-optimization/23911
2058 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2059 and IMAGPART_EXPR too.
2061 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2064 * expmed.c (expand_shift): Move logic to reverse rotation
2065 direction when rotating by constants ...
2066 * optabs.c (expand_binop): ... here.
2067 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2068 (ix86_rotrdi3): New pattern.
2069 (rotldi3): Handle 32-bit mode.
2070 (ix86_rotldi3): New pattern.
2072 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2075 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2076 check for numbers that need no bit twiddle.
2078 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2080 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2081 multilib to be built.
2083 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2084 (stage1-start): Delete old libgcc and libunwind before moving
2085 anything into the stage directory.
2086 (stage2-start): Likewise.
2087 (stage3-start): Likewise.
2088 (stage4-start): Likewise.
2089 (stageprofile-start): Likewise.
2090 (stagefeedback-start): Likewise.
2091 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2092 header in tm_file and CPU-specific t-darwin in tmake_file.
2093 (i[34567]86-*-darwin*): Don't change tm_file.
2094 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2095 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2096 shared library stub for target OS version.
2097 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2098 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2099 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2100 (libgcc_s.%.dylib): New.
2102 (install-darwin-libgcc-stubs): New.
2103 (INSTALL_LIBGCC): New append.
2104 * config/i386/darwin-libgcc.10.4.ver: New.
2105 * config/i386/darwin-libgcc.10.5.ver: New.
2106 * config/i386/t-darwin: New.
2107 * config/rs6000/darwin-libgcc.10.4.ver: New.
2108 * config/rs6000/darwin-libgcc.10.5.ver: New.
2109 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2110 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2112 2005-09-28 Paul Brook <paul@codesourcery.com>
2114 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2117 2005-09-28 Richard Guenther <rguenther@suse.de>
2119 PR tree-optimization/23853
2120 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2121 host_integerp to verify misalignment value.
2123 2005-09-28 Richard Henderson <rth@redhat.com>
2125 * builtins.c (get_builtin_sync_mode): New.
2126 (expand_builtin_sync_operation): Pass in mode argument.
2127 (expand_builtin_compare_and_swap): Likewise.
2128 (expand_builtin_lock_test_and_set): Likewise.
2129 (expand_builtin_lock_release): Likewise.
2130 (expand_builtin): Update to match.
2132 2005-09-28 Nick Clifton <nickc@redhat.com>
2134 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2135 formatting. Add check to PLUS case to ensure that the offset is
2136 within an acceptable range.
2138 * config/v850/v850.md (casesi): Disable the generation of the
2139 switch pattern as it is not being handled properly at the moment.
2141 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2142 for when the high words are identical.
2144 2005-09-27 Richard Henderson <rth@redhat.com>
2146 * pretty-print.c (pp_base_format): Fix typo for %>.
2148 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2149 Devang Patel <dpatel@apple.com>
2151 PR tree-optimization/23625
2152 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2153 LABEL_EXPR, assertion check.
2155 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2157 * optabs.c (no_conflict_move_test): Check if a result of a
2158 to-be-moved insn would be clobbered by an originally
2161 2005-09-27 Jeff Law <law@redhat.com>
2163 * passes.c (init_optimization_passes): Replace copy propagation
2164 passes immediately after DOM with phi-only copy propagation
2165 pases. Add phi-only copy propagation pass after first DOM pass.
2166 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2167 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2168 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2169 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2170 to init_copy_prop. Callers updated.
2171 (do_phi_only_copy_prop): New function.
2172 (pass_phi_only_copy_prop): New pass descriptor.
2174 2005-09-27 Nick Clifton <nickc@redhat.com>
2176 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2178 2005-09-26 Jason Merrill <jason@redhat.com>
2181 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2183 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2185 2005-09-26 James E Wilson <wilson@specifix.com>
2187 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2188 copyright. Add gcc copyright plus libgcc exception.
2189 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2191 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2193 2005-09-26 Jeff Law <law@redhat.com>
2195 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2196 about when to iterate.
2198 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2201 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2202 for __complex__ double in -mcpu=G5 mode.
2204 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2206 PR tree-optimization/23942
2207 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2208 * tree-scalar-evolution.c: Include params.h.
2210 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2211 follow_ssa_edge_in_condition_phi_branch,
2212 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2213 Change return type to t_bool. Use a parameter to limit the size of
2214 trees that are walked before stopping
2215 (analyze_evolution_in_loop): Initialize the limit to 0.
2216 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2217 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2219 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2222 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2223 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2225 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2227 * combine.c (make_extraction): Check for valid use of subreg.
2229 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2232 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2233 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2234 ("fist<mode>2_with_temp"): Use only register operands.
2236 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2238 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2239 CALL_INSN_FUNCTION_USAGE.
2241 2005-09-26 Richard Guenther <rguenther@suse.de>
2244 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2245 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2246 (ldst_entry): Use the hashtable instead of list-walking.
2247 (find_rtx_in_ldst): Likewise.
2248 (free_ldst_entry): Free the hashtable.
2249 (compute_ld_motion_mems): Create the hashtable.
2250 (trim_ld_motion_mems): Remove entry from hashtable if
2251 removing it from list.
2252 (compute_store_table): Likewise^2.
2253 (store_motion): Free hashtable in case we did not see
2256 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2258 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2259 and arg1 if we are passing them to fold_build2.
2261 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2264 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2267 2005-09-25 Richard Henderson <rth@redhat.com>
2269 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2270 SYMBOL_REF_TLS_MODEL to be correct.
2272 2005-09-24 Richard Henderson <rth@redhat.com>
2274 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2275 end of function. Reindent.
2277 2005-09-24 Ian Lance Taylor <ian@airs.com>
2279 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2280 NEGATE_EXPR/BIT_NOT_EXPR case.
2282 2005-09-24 Richard Henderson <rth@redhat.com>
2284 * c-common.c (handle_mode_attribute): When not modifying in place,
2285 create subtypes for enumerations.
2286 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2287 * gimplify.c (create_tmp_from_val): Likewise.
2289 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2291 * config/i386/i386.md (*tls_global_dynamic_64,
2292 *tls_local_dynamic_base_64): Add missing mode to call.
2293 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2295 2005-09-24 Jan Hubicka <jh@suse.cz>
2297 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2298 (cgraph_clone_node): Likewise.
2299 * cgraph.h (cgraph_clone_edge): Update prototype.
2300 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2301 duplicated prototypes; add updating argument.
2302 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2303 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2305 (cgraph_mark_inline_edge): Likewise.
2306 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2307 (cgraph_flatten_node): Likewise.
2308 (cgraph_decide_recursive_inlining): Likewise.
2309 (cgraph_decide_inlining_of_small_function): Likewise.
2310 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2312 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2313 Pete Steinmetz <steinmtz@us.ibm.com>
2315 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2316 (rldic.): Set type to "compare".
2318 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2319 mfjmpr for MFCTR/MFLR.
2320 (movdf_hardfloat64): Same.
2321 (movdf_softfloat64): Same. Correct order of store and move types.
2322 (movti_string): Set type to store_ux/load_ux.
2323 (load_multiple): Set type to load_ux.
2324 (store_multiple): Set type to store_ux.
2325 (movmemsi): Set type to store_ux.
2326 (output_cbranch direct_return): Set type to jmpreg.
2327 (stmw): Set type to store_ux.
2328 (lmw): Set type to load_ux.
2329 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2330 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2331 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2332 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2333 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2334 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2335 (rios1-fpstore): Increase latency to 3.
2336 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2337 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2339 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2340 Andrew Pinski <pinskia@physics.uc.edu>
2342 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2343 operand2 constraint to "b".
2344 (sync_<fetchop_name>di_internal): Same.
2345 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2347 (sync_old_<fetchop_name>di_internal): Same.
2348 (sync_new_<fetchop_name>si_internal): Same.
2349 (sync_new_<fetchop_name>di_internal): Same.
2351 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2354 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2355 case, define as macros.
2357 PR rtl-optimization/23837
2358 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2359 clobber / clobber match between dest and p->first.
2361 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2362 (no_conflict_move_test): Update comments.
2364 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2366 * doc/install.texi: Update URL for Jacks.
2367 * doc/sourcebuild.texi: Likewise.
2369 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2372 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2373 registers when choosing register preferences.
2374 (movdf_hardfloat64): Same.
2376 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2378 * expmed.c (expand_shift): Don't use the target of the rotate as
2379 target for the first expanded shift insn.
2380 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2382 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2384 PR tree-optimization/22438
2385 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2386 preserved iv rhs rewriting specially.
2388 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2390 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2391 estimate_only is true.
2392 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2393 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2394 tree-ssa-structalias.c
2395 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2396 ref_contains_indirect_ref.
2397 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2399 2005-09-21 DJ Delorie <dj@redhat.com>
2401 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2403 (mn10300_return_in_memory): Support variable size types also.
2404 (mn10300_pass_by_reference): Likewise.
2405 (mn10300_function_value): New.
2406 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2407 (FUNCTION_OUTGOING_VALUE): Likewise.
2408 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2409 * doc/invoke.texi: Document it.
2411 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2414 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2415 force integer op1 into register for XFmode compares.
2417 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2420 * expmed.c (alg_code): Add alg_impossible.
2421 (alg_hash_entry): Add cost.
2422 (synth_mult): Record alg_impossible in the hash table if
2423 multiplication by a given integer is impossble within the
2424 limit. Speed up using alg_impossible.
2426 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2428 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2429 argument. Allow and set any offset if needs_anyoffset is passed
2431 (get_constraint_for): Add argument here too.
2433 (do_structure_copy): Pass NULL to get_constraint_for.
2434 (handle_ptr_arith): Ditto.
2435 (find_func_aliases): Ditto.
2437 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2439 PR rtl-optimization/23898
2440 * output.h (get_attr_min_length): Declare.
2441 * final.c (get_attr_length_1): New function, broken out of:
2443 (get_attr_min_length): New function.
2444 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2445 (duplicate_computed_gotos): Likewise.
2446 * genattr.c (insn_min_length): Generate declaration.
2447 * genattrtab.c (min_fn, min_attr_value): New functions.
2448 (make_length_attrs): Generate insn_min_length.
2450 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2452 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2454 2005-09-20 Richard Henderson <rth@redhat.com>
2456 PR tree-optimization/24059
2457 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2460 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2462 * c.opt (fextended-identifiers): New.
2463 * c-opts.c (c_common_handle_option): Handle
2464 -fextended-identifiers.
2465 * doc/cpp.texi: Update documentation of extended identifiers.
2466 * doc/cppopts.texi (-fextended-identifiers): Document.
2468 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2470 PR tree-optimization/23929
2471 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2474 PR tree-optimization/23818
2475 * tree-stdarg.c (execute_optimize_stdarg): Call
2476 calculate_dominance_info.
2478 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2480 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2481 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2482 (compute_overlap_steps_for_affine_1_2): Use
2483 get_number_of_iters_for_loop.
2484 (analyze_subscript_affine_affine): Check whether difference is
2486 Use get_number_of_iters_for_loop.
2487 Check whether overlap occurs outside of bounds.
2488 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2490 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2492 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2493 base register if possible.
2495 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2497 PR tree-optimization/18463
2498 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2499 converting it directly is not possible.
2500 (chrec_convert_aggressive): New function.
2501 * tree-chrec.h (chrec_convert_aggressive): Declare.
2502 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2503 Fold chrec conversions aggressively if asked to.
2504 (instantiate_parameters): Modified because of changes in
2505 instantiate_parameters_1.
2507 2005-09-19 Richard Henderson <rth@redhat.com>
2509 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2510 (reduc_splus_v2df): New.
2512 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2514 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2515 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2517 2005-09-19 Richard Henderson <rth@redhat.com>
2519 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2522 2005-09-19 Richard Henderson <rth@redhat.com>
2524 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2525 (ia64_expand_dot_prod_v8qi): New.
2526 * config/ia64/ia64-protos.h: Update.
2527 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2528 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2529 sdot_prodv8qi, sdot_prodv4hi): New.
2530 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2532 2005-09-19 Richard Henderson <rth@redhat.com>
2535 * real.c (exact_real_truncate): Return false if the format cannot
2536 represent the number as a normal.
2538 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2539 for a memory source.
2541 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2543 * tree-ssa-operands.c (swap_tree_operands): Export.
2544 * tree.h (swap_tree_operands): Declare.
2545 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2546 Call swap_tree_operands.
2548 2005-09-19 Richard Henderson <rth@redhat.com>
2550 * tree-flow.h (merge_alias_info): Declare.
2551 * tree-ssa-copy.c (merge_alias_info): Export.
2552 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2553 (vect_create_data_ref_ptr): Use create_iv directly.
2554 (vectorizable_load): Use correct types for integer constants.
2555 (vect_generate_tmps_on_preheader): Likewise.
2556 (vect_gen_niters_for_prolog_loop): Likewise.
2558 2005-09-19 Steven Bosscher <stevenb@suse.de>
2560 PR rtl-optimization/23943
2561 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2563 2005-09-18 Jan Hubicka <jh@suse.cz>
2565 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2567 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2569 * varasm.c (output_constant): Do not abort on conversions to union
2570 types between different sizes.
2572 2005-09-18 Richard Guenther <rguenther@suse.de>
2575 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2578 2005-09-18 Paul Brook <paul@codesourcery.com>
2580 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2582 2005-09-17 Richard Henderson <rth@redhat.com>
2584 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2585 * tree-ssa-loop.c (pass_vect_dce): Remove.
2586 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2589 2005-09-17 Richard Henderson <rth@redhat.com>
2591 * tree-pass.h (pass_vect_dce): Declare.
2592 * passes.c (init_optimization_passes): Add it.
2593 * tree-flow.h (tree_ssa_dce): Declare.
2594 * tree-ssa-dce.c (tree_ssa_dce): Export.
2595 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2596 (gate_tree_vectorize): ... here.
2597 (pass_vect_dce): New.
2599 2005-09-17 Jan Hubicka <jh@suse.cz>
2601 * except.c (struct eh_status): Turn region_array into vec.
2602 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2603 convert_from_eh_region_ranges, find_exception_handler_labels,
2604 current_function_has_exception_handlers, assign_filter_values,
2605 build_post_landing_pads, dw2_build_landing_pads,
2606 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2607 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2608 foreach_reachable_handler, can_throw_internal_1,
2609 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2611 (duplicate_eh_region_1): Update region_array.
2612 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2614 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2617 * expmed.c (expand_mult): Substitute simple register for op0 when
2620 2005-09-17 Richard Henderson <rth@redhat.com>
2622 * expr.c (emit_move_via_integer): Add force argument, pass it on
2623 to emit_move_change_mode. Update callers.
2624 (emit_move_complex): Pass true to new force argument.
2625 * function.c (expand_function_end): Move expand_eh_return call
2626 earlier. Merge sub-word complex values into a pseudo before
2627 copying to the return hard register.
2629 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2631 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2632 between different sizes.
2634 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2638 * passes.c (init_optimization_passes): Register dump files for
2641 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2643 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2644 * config/s390/s390.c (s390_overlap_p): New function.
2645 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2646 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2649 2005-09-16 Richard Guenther <rguenther@suse.de>
2651 * ipa-pure-const.c (static_execute): Free auxiliar information.
2652 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2653 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2655 2005-09-15 DJ Delorie <dj@redhat.com>
2657 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2659 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2661 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2663 (swap_commutative_operands_with_target): New.
2665 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2667 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2670 (estimate_iters_using_array): New function.
2671 * tree-data-ref.h (estimate_iters_using_array): Prototype
2672 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2673 Use estimate_iters_using_array instead of analyze_array.
2675 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2677 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2680 2005-09-15 Michael Matz <matz@suse.de>
2682 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2684 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2686 PR tree-optimization/23835
2687 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2688 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2690 2005-09-14 Richard Henderson <rth@redhat.com>
2692 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2693 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2695 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2697 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2698 in the ARRAY_TYPE case.
2700 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2702 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2704 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2707 * tree-vect-transform.c (vectorizable_operation): Return false for
2708 scalar shift operations and for vector shift operations with
2709 non-invariant shift arguments. Use scalar tree operand op1 as
2710 a shift operand when vector shift insn pattern uses scalar shift
2712 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2714 2005-09-14 Olivier Hainque <hainque@adacore.com>
2716 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2717 value if it has side-effects.
2719 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2722 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2724 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2726 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2727 passed as NAME as if it were label at start of function code.
2729 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2731 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2734 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2736 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2737 as early clobber. Rewrite so the PIC register is not implicitly used.
2739 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2741 * tree.c (annotate_with_file_line): Compare line numbers before
2744 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2747 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2748 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2750 2005-09-13 Ian Lance Taylor <ian@airs.com>
2752 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2753 than a HOST_WIDEST_INT to gen_doloop_begin.
2755 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2757 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2759 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2761 PR tree-optimize/23817
2762 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2764 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2767 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2768 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2769 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2770 (restore_stack_nonlocal): Likewise.
2771 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2773 2005-09-12 Ian Lance Taylor <ian@airs.com>
2776 * c.opt (ffriend-injection): New C++ option.
2777 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2778 (C++ Dialect Options): Document -ffriend-injection.
2780 2005-09-12 Josh Conner <jconner@apple.com>
2783 * ipa-reference.c (static_execute): Don't mark variables in
2784 named sections TREE_READONLY.
2786 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2788 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2791 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2793 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2794 V_MUST_DEF instead of just the first_use_p.
2795 Don't mark the virtual variables for renaming on the statement which
2797 (pass_dse): Remove TODO_update_ssa.
2799 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2802 * stor-layout.c (compute_record_mode): For records with a single
2803 field, actually check the field's mode size against the type size.
2805 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2806 registers for TARGET_SHMEDIA.
2807 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2808 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2809 of GENERAL_REGS and FP_REGS.
2811 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2813 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2815 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2817 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2818 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2819 are omitted. Exclude stack_tie insn too.
2821 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2823 PR rtl-optimization/23098
2824 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2826 * config/rs6000/rs6000.md (movdf splitter): Use
2827 const_double_operand predicate for TARGET_POWERPC64.
2828 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2829 SYMBOL_REF method to ABI_V4.
2831 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2832 replace_equiv_address.
2833 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2834 rs6000_sr_alias_set and MEM_NOTRAP.
2835 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2837 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2839 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2840 handle CALL_EXPR again.
2842 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2844 * arm/predicates.md (alignable_memory_operand): Delete.
2846 2005-09-10 Richard Henderson <rth@redhat.com>
2849 * dbxout.c (dbxout_expand_expr): New.
2850 (dbxout_symbol): Use it.
2852 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2854 * arm.c (arm_gen_rotated_half_load): Delete.
2855 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2856 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2857 (thumb_set_return_address): Likewise.
2858 (thumb_load_double_from_address): Use adjust_address.
2859 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2860 (extendhsisi2_mem, movhi_bytes): Use change_address.
2861 (movhi): Use widen_memory_access.
2862 (reload_out_df): Use replace_equiv_address.
2863 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2865 2005-09-09 Richard Henderson <rth@redhat.com>
2868 * dbxout.c: Include expr.h.
2869 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2870 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2871 * Makefile.in (dbxout.o): Add EXPR_H.
2873 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2875 PR tree-optimization/23509
2876 * tree-cfg.c (replace_uses_by): Use replace_exp.
2877 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2878 pointers have name_mem_tag or type_mem_tag set.
2880 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2882 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2883 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2884 of wrongly accessing operands.
2886 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2888 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2889 * tree-chrec.c: Include tree-scalar-evolution.h.
2890 (chrec_convert): Instantiate the base and step before calling
2891 scev_probably_wraps_p that would fail on parametric evolutions.
2892 Collect all the fails into a single section failed_to_convert,
2893 print a diagnostic, and return chrec_dont_know instead of calling
2895 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2896 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2898 (scev_const_prop): Don't replace the definition of a loop closed ssa
2899 phi node by itself, or by another loop closed ssa phi node.
2900 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2901 that base and step are defined.
2903 2005-09-09 Richard Guenther <rguenther@suse.de>
2906 * fold-const.c (fold_ternary): Check truth_value_p before
2907 calling invert_truthvalue.
2909 2005-09-09 Nick Clifton <nickc@redhat.com>
2911 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2912 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2913 dimension of these arrays.
2914 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2916 * longlong.h: Only provide a prototype for the __clz_tab[] array
2917 if this header has not been included from libgcc2.h.
2918 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2920 Provide prototypes for exported functions.
2921 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2924 2005-09-08 Josh Conner <jconner@apple.com>
2928 * expr.c (expand_expr_addr_expr_1): Don't invoke
2929 expand_simple_binop for EXPAND_INITIALIZER.
2931 2005-09-08 Richard Henderson <rth@redhat.com>
2934 * toplev.c (wrapup_global_declaration_1): Split out ...
2935 (wrapup_global_declaration_2): ... from ...
2936 (wrapup_global_declarations): ... here. Return bool.
2937 (check_global_declaration_1): Split out ...
2938 (check_global_declarations): from here.
2939 (emit_debug_global_declarations): New.
2940 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2941 check_global_declaration_1, emit_debug_global_declarations): Declare.
2942 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2943 of decls. Call wrapup_global_declaration_1,
2944 wrapup_global_declaration_2, check_global_declaration_1 directly.
2945 (c_write_global_declarations_2): New.
2947 (c_write_global_declarations): Call c_write_global_declarations_2.
2948 * langhooks.c (write_global_declarations): Call
2949 emit_debug_global_declarations.
2951 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2952 remove decls that have DECL_RTL_SET_P.
2953 * passes.c (rest_of_decl_compilation): Invoke
2954 cgraph_varpool_finalize_decl for all but functions.
2956 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2958 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2959 the result of a conversion if the new min and max cannot be compared.
2961 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2963 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2964 (override_options): Setting s390_sr_alias_set removed.
2965 (save_fpr, save_gprs): Set alias set to vararg or frame.
2966 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2967 s390_sr_alias_set with get_frame_alias_set ().
2968 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2969 get_varargs_alias_set ().
2971 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2975 * c-parser.c (c_parser_objc_method_definition): If the next
2976 token is not "{", error out and don't start the function.
2978 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2980 * tree-vrp.c (extract_range_from_expr): Move the check for non
2981 nullness after the check for gimple invariant.
2983 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2985 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2987 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2990 * config/m32r.md (movmemsi_internal): Canonicalize order of
2991 operands in PLUS component of template.
2993 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2995 * reload1.c (fixup_eh_region_note): Remove assertion.
2996 (fixup_abnormal_edges): Reverted removal of call to
2997 find_many_sub_basic_blocks made on 2005-08-31.
2999 2005-09-07 Richard Henderson <rth@redhat.com>
3001 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3002 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3003 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3004 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3005 rearrange for better packing.
3006 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3007 (lookup_cfa_1): Remove inline marker.
3008 (cfa_equal_p): Split out of ...
3009 (def_cfa_1): ... here. Use INVALID_REGNUM.
3010 (build_cfa_loc): Handle !cfa->indirect.
3011 (frame_pointer_cfa_offset): New.
3012 (dbx_reg_number): Assert register elimination performed; do
3013 leaf register remapping.
3014 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3015 (eliminate_reg_to_offset): New.
3016 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3017 for verifiably local stack frame addresses; re-base to CFA.
3018 (mem_loc_descriptor): Remove can_use_fbreg argument.
3019 (concat_loc_descriptor, loc_descriptor): Likewise.
3020 (containing_function_has_frame_base): Remove.
3021 (rtl_for_decl_location): Don't do register elimination or
3022 leaf register remapping here.
3023 (secname_for_decl): Split out from ..
3024 (add_location_or_const_value_attribute): ... here.
3025 (convert_cfa_to_loc_list): New.
3026 (compute_frame_pointer_to_cfa_displacement): New.
3027 (gen_subprogram_die): Use them.
3028 * tree.h (frame_base_decl): Remove.
3029 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3030 (prologue_stack_adjust): Remove.
3031 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3032 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3033 (set_frame_base_location): Remove.
3034 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3035 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3036 (vt_add_function_parameters): Don't eliminate_regs.
3037 (vt_initialize): Don't create frame_base_decl.
3039 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3041 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3042 version of GNU binutils for 4.x and later.
3044 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3046 * ggc-page.c (ggc_push_context): Remove.
3047 (ggc_pop_context): Likewise.
3048 * ggc.h (ggc_push_context): Remove.
3049 (ggc_pop_context): Likewise.
3051 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3054 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3055 returning from an interrupt handler.
3057 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3060 * config/arc/arc.c (output_shift): Add check for loop count when
3063 2005-09-06 Steven Bosscher <stevenb@suse.de>
3065 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3067 (abs_replacement): Likewise.
3068 (pass_phiopt): Remove TODO_update_ssa.
3070 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3073 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3074 if "return with no value, in function returning non-void" warning
3076 * tree-cfg.c (execute_warn_function_return): Don't look at
3077 RETURN_EXPRs with TREE_NO_WARNING set.
3080 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3081 for internal functions doesn't use registers used by global registers
3082 variables. Use fewer register parameters if there are global register
3085 2005-09-06 Olivier Hainque <hainque@adacore.com>
3086 Eric Botcazou <ebotcazou@adacore.com>
3089 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3090 when we would be extracting outside its bit span (bitpos+bitsize
3091 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3092 Ada unchecked conversions.
3094 2005-09-06 Steven Bosscher <stevenb@suse.de>
3096 * tree-ssa-pre.c (try_look_through_load): New function.
3097 (compute_avail): Use it to try to look through loads for some
3098 more useful expressions.
3100 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3102 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3103 condition for detecting cases like (a&a) and (a^a).
3105 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3107 * common.opt: Add option ftree-vect-loop-version.
3108 * params.def: Add --param vect-max-version-checks.
3109 * doc/invoke.texi: Document ftree-vect-loop-version and
3110 --param vect-max-version-checks.
3111 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3112 may_misalign_stmts and defines for accessors.
3113 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3114 LOOP_VINFO_MAY_MISALIGN_STMTS.
3115 (destroy_loop_vec_info): VEC_free for
3116 LOOP_VINFO_MAY_MISALIGN_STMTS.
3117 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3118 Update documentation.
3119 (vect_update_misalignment_for_peel): New.
3120 (vect_enhance_data_refs_alignment): Update to choose loop
3121 peeling or loop versioning if appropriate for the (potentially)
3122 unaligned data references in the loop.
3123 (vect_analyze_data_refs_alignment): Remove call to
3124 vect_enhance_data_refs_alignment so the checks can be done
3126 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3127 and move up call to vect_analyze_data_refs_alignment.
3128 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3129 (vect_transform_loop): Add call to loop_version.
3131 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3133 PR rtl-optimization/23098
3134 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3135 * simplify-rtx.c (constant_pool_reference_p): New function.
3136 * rtl.h (constant_pool_reference_p): New prototype.
3137 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3138 constant_pool_reference_p in condition and
3139 avoid_constant_pool_reference in preparation statements.
3141 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3143 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3144 STRICT_LOW_PART SETs.
3146 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3149 * except.c (sjlj_emit_function_enter): Find the function begin
3150 note even when it's not in first basic block.
3152 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3154 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3155 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3156 * aclocal.m4: Regenerate.
3158 2005-09-05 DJ Delorie <dj@redhat.com>
3160 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3163 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3165 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3166 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3167 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3168 Follow spelling conventions.
3169 * doc/invoke.texi: Follow spelling conventions.
3171 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3173 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3174 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3175 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3177 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3180 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3181 (output_stack_adjust): Use gen_tmp_stack_mem.
3182 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3183 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3184 (sh_get_pr_initial_val): Likewise.
3185 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3186 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3187 * sh.md (divsi_inv_m0): Use gen_const_mem.
3188 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3189 (movdf_i4+1): Use gen_tmp_stack_mem.
3190 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3191 (fpu_switch+2): Likewise.
3192 (movv4sf_i, movv16sf_i): Use adjust_address.
3193 (symGOT_load): Set MEM_NOTRAP_P bit.
3195 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3198 * pa.c (emit_move_sequence): Fix typo in last change.
3200 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3202 PR rtl-optimization/23454
3203 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3206 2005-09-03 Richard Henderson <rth@redhat.com>
3207 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3210 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3213 2005-09-02 Nicolas Pitre <nico@cam.org>
3215 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3216 to bit_count to 32 bits.
3218 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3221 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3222 generating synthetic loads from volatile lvalues.
3224 005-09-02 Nick Clifton <nickc@redhat.com>
3226 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3227 __ctzhi2, __clzhi2): New functions.
3229 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3232 * tree-nested.c (struct var_map_elt): Mark with GTY.
3233 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3235 (lookup_field_for_decl): Allocate new element in GC memory.
3236 (lookup_tramp_for_decl): Likewise.
3237 (convert_nl_goto_reference): Likewise
3238 (create_nesting_tree): Allocate info in GC memory. Likewise for
3240 (free_nesting_tree): Free with ggc_free instead of free.
3241 (root): New static variable.
3242 (lower_nested_functions): Remove root as local variable. And zero out
3243 root at the end of the function.
3245 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3247 PR rtl-optimization/20365
3248 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3249 to short. New member ix.
3250 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3251 (simplify_plus_minus): Initialize ix members before calling qsort.
3253 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3255 PR tree-optimization/23626
3256 * tree-cfg.c (replace_uses_by): Clean up eh info.
3258 2005-09-01 DJ Delorie <dj@redhat.com>
3260 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3263 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3265 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3266 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3269 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3271 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3272 do not issue warning for a variable definition following
3275 2005-09-01 Richard Henderson <rth@redhat.com>
3278 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3279 conversion to CONST_VECTOR.
3281 2005-09-01 Richard Henderson <rth@redhat.com>
3284 * reload1.c (reload_as_needed): Check !CALL_P before calling
3285 fixup_eh_region_note.
3286 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3288 2005-09-01 DJ Delorie <dj@redhat.com>
3290 * varasm.c (output_constant): Let the target resolve
3291 conversions of addresses to non-default pointer sizes.
3293 2005-09-01 Nicolas Pitre <nico@cam.org>
3295 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3296 to alow matching ARM pre-indexed addressing mode.
3297 (arm_override_options): Remove now irrelevant comment.
3299 2005-09-01 Phil Edwards <phil@codesourcery.com>
3301 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3302 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3303 * config/i386/vxworks.h: Likewise.
3304 * config/i386/t-vxworksae: New file, for VxWorks AE.
3305 * config/i386/vxworksae.h: Likewise.
3307 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3309 PR tree-optimization/23410
3310 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3311 sequence is not wrapping during the first step.
3313 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3316 * dwarf2out.c (base_type_die): Compare char_type_node with
3317 TYPE_MAIN_VARIANT (type), not type.
3319 2005-09-01 Richard Guenther <rguenther@suse.de>
3321 PR tree-optimization/15366
3322 * common.opt: Add -finline-functions-called-once.
3323 Put -fearly-inlining in alphabetically ordered place.
3324 * doc/invoke.texi: Document new option.
3325 * ipa-inline.c (cgraph_decide_inlining): Honour
3326 flag_inline_functions_called_once.
3328 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3330 PR rtl-optimization/23478
3331 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3332 (alloc_qty): Initialize it.
3333 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3334 (combine_regs): Combine also n_throwing_calls_crossed fields.
3335 (find_free_reg): Don't attempt to caller-save pseudos crossing
3336 calls that might throw.
3337 * global.c (struct allocno): Add throwing_calls_crossed field.
3338 (global_alloc): Revert 2005-08-22 change. Initialize
3339 throwing_calls_crossed.
3340 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3343 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3346 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3347 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3348 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3349 (and64_2_operand): Tweak to use predicate.
3350 (and_operand): Adjust for mask_operand changes.
3351 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3352 (print_operand): Likewise.
3353 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3354 (mask64_1or2_operand): Delete.
3355 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3356 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3357 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3358 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3359 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3360 (rotldi3_internal4): Likewise.
3361 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3362 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3363 (ashldi3_internal7): Likewise.
3364 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3365 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3366 (anddi3 split): Don't match mask64_operand.
3367 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3368 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3369 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3370 't' splitter predicate.
3371 (movdi_internal64 + 2): Revert 2005-06-11 change.
3373 2005-08-31 DJ Delorie <dj@redhat.com>
3375 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3376 (m32c_asm_integer): Add support for 32 bit pointers.
3378 2005-08-31 Richard Henderson <rth@redhat.com>
3380 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3381 component-like references for setting MEM_NOTRAP_P.
3383 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3384 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3386 2005-08-31 Richard Henderson <rth@redhat.com>
3388 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3389 into a pseudo before applying gen_lowpart.
3391 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3393 * doc/install.texi (Specific): Update cctools version required
3394 for full functionality.
3395 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3396 linkers as -macosx_version_min.
3398 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3401 * sh.c (print_operand, %R and %S): Add handling of floating point
3402 registers, memory, constants and invalid operands.
3404 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3406 * ipa-pure-const.c: Change dump name.
3408 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3411 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3412 to "reg_or_0_operand".
3413 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3415 2005-08-31 Dale Johannesen <dalej@apple.com>
3417 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3418 loops that count down.
3420 2005-08-31 Richard Henderson <rth@redhat.com>
3423 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3424 (fixup_eh_region_note): New.
3425 (reload_as_needed): Call it.
3426 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3427 don't call find_many_sub_basic_blocks; call verify_flow_info.
3428 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3429 (keep_stack_depressed): Likewise.
3430 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3432 2005-08-31 Richard Henderson <rth@redhat.com>
3434 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3437 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3439 * expr.c (expand_expr_real_1): Compare size of address
3440 mode to target's address mode size in deciding expansion of
3441 the constant address.
3443 2005-08-31 Richard Guenther <rguenther@suse.de>
3446 * expr.c (all_zeros_p): New function.
3447 (expand_expr_real_1): Handle the case of an all-zero
3448 non-addressable constructor separately.
3450 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3452 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3453 arguments, adjust all callers.
3454 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3456 2005-08-30 Richard Henderson <rth@redhat.com>
3459 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3460 whenever the mode sizes match.
3462 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3464 * calls.c (load_register_parameters): Fix comment typo.
3465 * expr.c (emit_push_insn): Comment formatting.
3467 2005-08-30 Ian Lance Taylor <ian@airs.com>
3469 * config/i386/x-cygwin (host-cygwin): Change dependency from
3470 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3472 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3474 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3477 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3480 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3481 call to ggc_collect.
3483 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3486 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3487 beginning. Remove $(INCLUDES) from all the rules, if following
3488 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3490 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3493 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3494 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3495 not constant, but maxlen is, don't set len to maxlen, rather
3496 set maxlen to len if len is a constant.
3498 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3500 PR tree-optimization/23475
3501 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3504 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3506 Fix PR middle-end/22455
3508 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3509 Checksum only the parts of the tree that exist for the tree code.
3511 2005-08-28 Dale Johannesen <dalej@apple.com>
3513 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3515 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3517 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3519 2005-08-28 Richard Henderson <rth@redhat.com>
3521 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3522 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3525 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3528 * builtins.c (get_memory_rtx): Don't strip nops
3529 in between COMPONENT_REFs.
3531 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3534 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3536 (gimplify_modify_expr): Check for zero sized types and gimplify the
3537 rhs and lhs as statements.
3539 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3542 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3543 state for return address column of signal frames.
3545 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3548 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3549 bytes >= 2 not bytes == 2.
3550 (expand_block_move): Same.
3552 2005-08-27 Richard Guenther <rguenther@suse.de>
3555 * config/i386/sse.md (sse2_movsd): Add missing closing
3558 2005-08-27 Paul Brook <paul@codesourcery.com>
3560 * genrecog.c (enum decision_type): Add DT_num_insns.
3561 (struct decision_test): Add u.num_insns.
3562 (add_to_sequence): Add DT_num_insns test.
3563 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3564 (write_cond, debug_decision_2): Ditto.
3565 (change_state): Assume peep2_next_insn never fails.
3566 Remove "afterward" argument.
3567 (write afterward, write_tree): Update to match.
3568 * recog.c (peep2_current_count): New variable.
3569 (peep2_next_insn): Check it.
3570 (peephole2_optimize): Set peep2_current_count.
3571 * recog.h (peep2_current_count): Declare.
3573 2005-08-26 Josh Conner <jconner@apple.com>
3576 * ipa-pure-const.c (check_tree): Check for volatile-ness
3577 when considering a dereference.
3579 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3581 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3583 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3585 PR rtl-optimization/23561
3586 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3587 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3588 at most LEN bytes long memory fits into the field.
3589 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3590 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3591 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3593 2005-08-26 Richard Henderson <rth@redhat.com>
3596 * loop.c (biased_biv_may_wrap_p): New.
3597 (maybe_eliminate_biv_1): Use it to suppress non-equality
3598 comparison transformations. Delete disabled code.
3600 2005-08-26 Ian Lance Taylor <ian@airs.com>
3602 * combine.c (make_extraction): Avoid reference outside object.
3604 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3606 * stor-layout.c (finalize_type_size): Restore behaviour for
3607 non-aggregate types to the status quo ante of the patch for
3608 pr 23467. Document why it matters.
3610 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3613 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3614 array by one element, initialize the BT_LAST element with NULL.
3616 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3618 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3619 optimizing for size.
3621 (compare_plus_eqsi): Same.
3622 (plus_eqsi_compare): Same.
3623 (neg_eq0<mode>): Same.
3624 (neg_eq<mode>): Same.
3626 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3629 2005-08-26 Nick Clifton <nickc@redhat.com>
3631 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3632 TARGET_EP is not defined.
3633 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3634 TARGET_EP is enabled.
3635 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3636 * config/v850/v850.md (save_all_interrupt): Only use the EP
3637 register if TARGET_EP is defined.
3638 (restore_all_interrupt): Likewise.
3639 * config/v850/lib1funcs.asm: Update functions so that the EP
3640 register is only used if __EP__ is defined.
3642 2005-08-26 David Ung <davidu@mips.com>
3644 * config/mips/mips.c (mips_expand_prologue): Handle case when
3645 generating for MIPS16 and the outgoing argument area is more than
3646 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3649 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3651 * config/crx/crx.md: Make doloop_end pattern usage controllable
3652 via mloop-nesting=<max-nesting> command line switch. Make sure
3653 the combiner cannot use doloop_end_<mode> in an illegal way.
3654 * config/crx/crx.c: Use regs up to r6 for argument passing.
3655 Refine crx_address_cost (non cst4 displacements are expensive).
3656 * config/crx/crx.opt: Add switch for mloop-nesting=.
3658 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3660 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3661 (UNSPEC_MVST): New constant.
3663 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3665 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3666 Reject operands containing eliminable registers.
3667 * testsuite/gcc.dg/20050825-1.c: New testcase.
3669 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3670 Jan Hubicka <jh@suse.cz>
3672 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3674 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3676 PR tree-optimization/23546
3677 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3680 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3682 * params.def (PARAM_MIN_SPEC_PROB): New.
3683 * sched-rgn.c (MIN_PROBABILITY): Delete.
3684 (compute_trg_info): Convert to PARAM_VALUE.
3685 * doc/invoke.texi (param): Document min-spec-prob.
3687 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3689 * config/darwin.h: define __PIC__
3690 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3691 TARGET_OS_CPP_BUILTINS macro.
3693 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3695 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3698 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3700 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3702 * cfghooks.c (duplicate_block): Added position where to place
3703 new block as argument.
3704 * cfghooks.h (duplicate_block): Declaration changed.
3705 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3707 * cfglayout.h (copy_bbs): Declaration changed.
3708 * cfgloop.h (loop_version): Declaration changed.
3709 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3710 position to copy_bbs.
3711 (loop_version): Pass position to duplicate_loop_to_header_edge.
3712 Add place_after argument and position new blocks according to
3714 * modulo-sched.c (sms_schedule): Pass place_after argument
3716 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3717 * tree-cfg.c (split_edge_bb_loc): New function.
3718 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3719 to determine position of new blocks.
3720 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3722 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3723 argument to duplicate_block.
3724 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3725 Pass position to copy_bbs.
3727 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3729 * fold-const.c (ptr_difference_const): Use
3730 cst_and_fits_in_hwi instead of host_integerp.
3732 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3734 * config/darwin.c (gen_pic_offset): New.
3735 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3738 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3740 PR tree-optimization/23486
3741 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3743 2005-08-23 Phil Edwards <phil@codesourcery.com>
3745 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3746 remove use_collect2.
3747 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3749 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3750 configuration files to override the default value.
3752 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3753 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3754 * config/vx-common.h: New file, split out from...
3755 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3756 * config/vxworksae.h: New file, for VxWorks AE.
3757 * config/vxworks.opt: New file.
3758 * config/vxlib.c: Update for VxWorks 6.
3760 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3761 other MULTILIB_* variables appropriately.
3762 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3763 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3764 * config/rs6000/vxworks.h: Update for VxWorks 6.
3765 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3767 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3770 * config/darwin.c (machopic_select_section): Remove the hack to
3771 mark "::operator new" and "::operator delete" for coalescing
3772 even though they are not weak.
3774 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3776 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3777 * configure: Regenerate.
3779 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3782 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3784 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3785 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3788 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3790 * config/rs6000/predicates.md (equality_operator): New.
3791 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3792 comparison with a large constant.
3794 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3796 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3798 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3800 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3801 registers is even, and we have a hardware double precision fp,
3803 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3804 size of current argument when checking if argument was passed in
3807 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3810 * stor-layout.c (finalize_type_size): Dont override
3811 existing alignment with a smaller alignment from the mode.
3813 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3815 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3816 * lambda.h (lambda_vector_lexico_pos): ... here.
3817 * tree-data-ref.c (build_classic_dist_vector): Return false when
3818 the distance vector is lexicographically negative.
3820 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3822 PR tree-optimization/23511
3823 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3824 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3826 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3828 PR tree-optimization/22043
3829 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3830 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3831 If ALLOW_FLEXARR, handle types ending with flexible array member.
3832 Pass false as second argument to recursive count_type_elements calls.
3833 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3834 argument to count_type_elements call.
3835 * tree-sra.c (decide_block_copy): Likewise.
3836 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3837 for a constant-sized object, set cleared as well. Pass true as
3838 second argument to count_type_elements call.
3840 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3843 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3844 from legitimate_small_data_p, and make global. Update use.
3845 Remove forward declaration.
3846 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3848 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3850 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3852 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3853 of scratch intermediates.
3854 (eq<mode>_compare): Same.
3855 (neg_eq0<mode>): New.
3856 (neg_eq<mode>): Convert to define_insn_and_split.
3858 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3861 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3862 stdarg functions, set/clear the fp marker even when no variable
3864 * config/rs6000/sysv4.opt (mprototype): Describe.
3866 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3868 PR rtl-optimization/23478
3869 * regs.h (reg_info): Add throw_calls_crossed.
3870 (REG_N_THROWING_CALLS_CROSSED): Define.
3871 * flow.c (allocate_reg_life_data): Initialize
3872 REG_N_THROWING_CALLS_CROSSED.
3873 (propagate_one_insn, attempt_auto_inc): Update
3874 REG_N_THROWING_CALLS_CROSSED.
3875 * global.c (global_alloc): Don't allocate pseudos across
3876 calls that may throw.
3878 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3881 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3882 value is inbetween the range if we did not find an exact match.
3884 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3886 * doc/invoke.texi (Option Summary): Add ms1 options.
3887 * doc/extend.texi: Document interrupt handler attribute for ms1.
3888 * doc/md.texi: Document ms1 constraints.
3889 * config.gcc: Add ms1-*-elf.
3890 * config/ms1/ms1.h: New.
3891 * config/ms1/ms1.c: New.
3892 * config/ms1/ms1.md: New.
3893 * config/ms1/ms1-protos.h: New.
3894 * config/ms1/ABI.txt: New.
3895 * config/ms1/crti.asm: New.
3896 * config/ms1/crtn.asm: New.
3897 * config/ms1/lib2extra-funcs.c: New.
3898 * config/ms1/t-ms1: New.
3899 * config/ms1/ms1.opt: New.
3901 2005-08-22 Ira Rosen <irar@il.ibm.com>
3903 * config/rs6000/altivec.md (xorv4sf3): New.
3904 (negv4sf2, neg<mode>2): Likewise.
3906 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3909 * config/ia64/ia64.md (divsi3): Check divide by zero.
3910 (udivsi3): Likewise.
3912 (udivdi3): Likewise.
3914 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3916 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3917 up to elem_bitsize bits, not max_bitsize.
3919 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3921 PR tree-optimization/23433
3922 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3923 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3925 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3927 PR tree-optimization/23434
3928 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3929 the iteration bound is not an INTEGER_CST.
3931 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3933 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3934 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3935 NULL if need_epilog_adjust is false.
3936 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3937 Case 3 always peels first itration, not just for PLUS case, and no need
3938 to use scalar_initial_def here. Create an epilog adjustment only if
3939 scalar_initial_def is not NULL.
3941 (vectorizable_reduction): Remove assert.
3943 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3946 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3947 (__moddi3): Likewise.
3948 (__udivdi3): Likewise.
3949 (__umoddi3): Likewise.
3950 (__divsi3): Likewise.
3951 (__modsi3): Likewise.
3952 (__udivsi3): Likewise.
3953 (__umodsi3): Likewise.
3955 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3957 * tree-pass.h (TDF_GRAPH): Define.
3958 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3959 * passes.c (finish_optimization_passes): Only call
3960 finish_graph_dump_file if TDF_GRAPH is set.
3961 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3962 NULL. Set TDF_GRAPH bit.
3963 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3965 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3967 * arm.h (arm_stack_offsets): Add locals_base field.
3968 * arm.c (arm_get_frame_offsets): Compute it.
3969 (thumb_compute_initial_elimination offset): Make the Thumb frame
3970 pointer point to the base of the local variables.
3971 (thumb_expand_prologue): Update accordingly.
3972 (thumb_expand_epilogue): Likewise.
3974 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3975 mode of clobbered scratch to DImode. Handle a case that's known to
3978 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3980 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3981 (gt0<mode>_compare): Delete.
3982 (neg_gt0<mode>): Delete.
3984 2005-08-19 Eric Christopher <echristo@apple.com>
3986 * optabs.h: Change CTI_ to COI_.
3989 2005-08-19 James E Wilson <wilson@specifix.com>
3991 * builtins.c (expand_builtin_return_addr): Set
3992 current_function_accesses_prior_frames when count != 0. Use
3993 frame_pointer_rtx when count == 0.
3994 * function.h (struct function): Add accesses_prior_frames field.
3995 (current_function_accesses_prior_frames): Define.
3996 * reload1.c (init_elim_table): Check
3997 current_function_accesses_prior_frames.
3998 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4000 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4002 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4003 indicator. Return true if the flowgraph changed during
4006 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4009 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4010 conditional expression before testing its value.
4012 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4014 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4016 2005-08-19 Devang Patel <dpatel@apple.com>
4018 PR tree-optimization/23048
4019 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4020 third parameter. Check whether latch is dominated by exit
4022 (if_convertible_loop_p): Supply exit block itself to
4023 if_convertible_bb_p.
4025 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4028 * arm.md (arm_load_pic_register): Change argument to the mask of
4029 saved registers. Call thumb_find_work_register if we need a
4030 scratch register on Thumb.
4031 (arm_expand_prologue): Pass empty register set to
4032 arm_load_pic_register.
4033 (thumb_expand_prologue): Pass live_regs_mask directly to
4034 arm_load_pic_register.
4035 * arm-protos.h (arm_load_pic_register): Update prototype.
4037 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4039 * sh.c (find_sole_member): New function.
4040 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4041 if the record's alignment is larger than the size of its only member.
4043 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4046 * arm.c (thumb_legitimize_reload_address): New function.
4047 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4048 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4050 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4052 * config/crx/crx.c: Implement crx_decompose_address. Reject
4053 symbolic displacements since CRX register relative adressing
4054 mode can't handle unsigned 32-bit values as displacements.
4055 * config/crx/crx.h: Simplify definitions, remove redundant
4056 parenthesis and obsolete macros.
4057 * config/crx/crx.opt: Add new switch for debugging addresses.
4058 * config/crx/crx-protos.h: Add new declarations for above.
4060 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4063 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4066 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4068 * collect2.c (dup2): Delete.
4069 * configure.ac: Don't check for dup2.
4071 * config.in, configure: Regenerate.
4073 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4075 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4076 record with the type of its only member.
4078 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4080 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4081 define_insn_and_split.
4082 (plus_ltu<mode>_compare): Same.
4083 (gtu<mode>_compare): Same.
4084 (plus_gtu<mode>_compare): Same.
4086 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4088 PR tree-optimization/22228
4089 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4091 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4092 are recorded in vect_vnames_to_rename for renaming.
4093 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4094 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4095 in vect_vnames_to_rename.
4096 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4097 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4099 2005-08-18 Jan Hubicka <jh@suse.cz>
4102 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4103 info only for local statics, not for member variables.
4105 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4107 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4109 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4111 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4113 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4116 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4118 2005-08-17 James E Wilson <wilson@specifix.com>
4120 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4123 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4125 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4126 (leu<mode>_compare): Same.
4127 (plus_leu<mode>): Same.
4128 (neg_leu<mode>): Same.
4129 (and_neg_leu<mode): Same.
4130 (ltu<mode>_compare): Same.
4131 (plus_ltu<mode>): Same.
4133 (geu<mode>_compare): Same.
4134 (plus_geu<mode>): Same.
4135 (neg_geu<mode>): Same.
4136 (and_neg_geu<mode>): Same.
4137 (plus_gt<mode>): Same.
4138 (gtu<mode>_compare): Same.
4139 (plus_gtu<mode>): Same.
4141 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4143 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4144 Move call_table_data to end. Delete spurious .text.
4145 (callt_save_all_interrupt): Fix comment typo.
4147 2005-08-17 James E Wilson <wilson@specifix.com>
4148 Kevin Winchester <winchester@amirix.com>
4151 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4153 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4156 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4157 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4159 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4161 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4162 record with the type of its only member if the modes don't match.
4164 * varasm.c (decode_reg_name): Skip empty additional register names.
4166 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4168 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4169 lsm_tmp_name_length): New.
4170 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4171 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4173 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4174 Andreas Krebbel <krebbel1@de.ibm.com>
4176 * config.gcc: Added z9-109 switch.
4177 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4178 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4179 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4180 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4181 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4182 for "z9_109" cpu attribute.
4183 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4184 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4185 (s390_handle_arch_option): Added z9-109 switch.
4186 (override_options): Set respective cost function for z9-109.
4187 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4188 (legitimate_reload_constant_p): Accept extended immediates.
4189 (print_operand): Three new output modifiers added: k, m and o.
4190 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4191 (s390_output_mi_thunk): Use extended immediate when possible.
4192 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4193 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4194 (CONSTRAINT_LEN): Added length of O constraint.
4195 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4196 * config/s390/s390.md ("cpu"): New value z9_109 added.
4197 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4198 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4199 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4200 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4201 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4202 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4203 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4204 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4205 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4206 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4207 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4208 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4209 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4210 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4211 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4213 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4214 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4215 insns for TARGET_EXTIMM.
4217 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4219 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4221 2005-08-17 Nick Clifton <nickc@redhat.com>
4223 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4224 Call default_encode_section_info.
4226 2005-08-17 Steven Bosscher <stevenb@suse.de>
4228 PR tree-optimization/21574
4229 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4230 constant, return CONSTANT.
4231 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4232 (ccp_fold, visit_assignment): Likewise.
4233 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4235 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4237 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4238 fold_buildN instead of buildN then fold_initializer or fold.
4239 (build_unary_op): Likewise.
4240 (build_binary_op): Likewise.
4241 * fold-const.c (fold_initializer): Remove.
4242 (fold_build1_initializer): New function.
4243 (fold_build2_initializer): New function.
4244 (fold_build3_initializer): New function.
4245 * tree.h (fold_initializer): Remove.
4246 (fold_build1_initializer): New function.
4247 (fold_build2_initializer): New function.
4248 (fold_build3_initializer): New function.
4250 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4252 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4253 (try_move_mult_to_index): Call fold_build2 instead of build2.
4254 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4255 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4256 fold_binary_to_constant.
4257 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4259 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4260 check if A == gcd (A, B). Remove TYPE argument.
4261 (analyze_offset) Use fold_build2 instead of fold (build.
4262 (create_data_ref): Likewise.
4263 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4264 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4267 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4269 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4270 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4272 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4275 * gimplify.c (zero_sized_type): New function.
4276 (gimplify_modify_expr_rhs): If we have a zero sized type,
4277 replace the statement with an empty statement.
4279 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4281 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4284 2005-08-16 Ian Lance Taylor <ian@airs.com>
4286 * doc/tm.texi (Label Output): Correct typo.
4288 2005-08-16 Steven Bosscher <stevenb@suse.de>
4291 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4292 force_operand will work later on using have_insn_for.
4294 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4296 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4298 2005-08-16 Ian Lance Taylor <ian@airs.com>
4301 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4302 vector type, don't try to construct it element by element. Add an
4303 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4305 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4307 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4309 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4311 * doc/invoke.texi (Precompiled Headers): Document some more options
4312 which are known to be safe.
4314 2005-08-16 James E Wilson <wilson@specifix.com>
4316 PR tree-optimization/21105
4317 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4318 TREE_OVERFLOW check.
4320 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4322 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4323 (neg_ltu<mode>): Same.
4325 (neg_gtu<mode>): Same.
4327 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4329 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4330 (fold_builtin_isdigit): Use fold_buildN.
4331 (build_function_call_expr): Likewise.
4332 * c-typeck.c (c_finish_loop): Likewise.
4334 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4335 Richard Shann <rshann@superh.com>
4337 PR middle-end/20396:
4338 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4340 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4342 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4344 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4347 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4348 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4351 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4354 * fold-const.c (build_range_check): Disable optimization for function
4355 pointer expressions on targets that require function pointer
4358 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4360 * simplify-rtx.c (simplify_const_relational_operation): When
4361 extracting arguments of a COMPARE, recompute the mode as well.
4363 2005-08-15 Ian Lance Taylor <ian@airs.com>
4365 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4367 2005-08-15 DJ Delorie <dj@redhat.com>
4369 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4371 (movsi_splittable): Allow, but split, moves to the stack.
4372 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4375 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4377 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4378 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4379 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4381 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4382 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4383 Delete HOST_PTR_PRINTF.
4385 * configure, config.in: Regenerate.
4387 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4389 * config/rs6000/rs6000.md (QHSI): New mode macro.
4390 (wd): Extend mode attr for QImode and HImode
4391 (dbits): New mode attr.
4392 (zero_extend<mode>di2): Convert to mode macro.
4394 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4397 * doc/invoke.texi (-mgnu-ld): Update description.
4400 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4403 * Makefile.in (tree-chrec.o): Depends on real.h.
4404 * tree-chrec.c: Include real.h.
4405 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4406 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4407 * tree-scalar-evolution.c (add_to_evolution_1,
4408 interpret_rhs_modify_expr): Ditto.
4410 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4413 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4414 step is negative compute the estimation from init downwards to zero.
4416 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4418 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4420 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4422 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4424 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4425 Accept double-word constants that can be split.
4426 * config/s390/s390.md ("movti"): Use 'P' constraint.
4427 ("*movdi_31", "*movdf_31"): Likewise.
4429 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4431 Fix PR tree-optimization/22615
4433 * tree-ssa-structalias.c (solution_set_add): Handle
4434 first_vi_for_offset returning NULL.
4435 (do_da_constraint): Ditto.
4436 (do_sd_constraint): Ditto.
4437 (do_ds_constraint): Ditto
4438 (find_func_aliases): Ditto.
4439 (build_constraint_graph): RHS is allowed be ANYTHING.
4440 (first_vi_for_offset): Return NULL if we couldn't find anything at
4443 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4445 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4446 over memory as first operand.
4448 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4451 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4452 available for setting it.
4454 2005-08-14 Ira Rosen <irar@il.ibm.com>
4456 PR tree-optimization/23320
4457 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4458 data-refs' types instead of base object nullness. Add check for
4459 pointer type data-refs before first location comparison. Remove
4462 2005-08-14 Andreas Schwab <schwab@suse.de>
4464 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4466 2005-08-13 James E Wilson <wilson@specifix.com>
4468 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4469 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4470 -fstack-protector-all, --param ssp-buffer-size): Document.
4471 (-Wvariadic-macros): Alphabetize.
4472 (-fsched-stalled-insns-dep): Add missing 'f'.
4474 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4477 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4479 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4480 or indirect address operand.
4481 (EXTRA_ADDRESS_CONSTRAINT): New.
4482 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4484 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4486 PR tree-optimization/22236
4487 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4488 successors and predecessors.
4489 * tree-chrec.c (chrec_convert): Before converting, check that
4490 sequences don't wrap.
4491 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4492 (analyze_array): Extern.
4493 (find_data_references_in_loop): Remove call to
4494 compute_estimated_nb_iterations.
4495 * tree-data-ref.h (analyze_array): Declared.
4496 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4497 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4498 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4499 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4501 * tree-ssa-loop-ivcanon.c: Fix documentation.
4502 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4503 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4504 (infer_loop_bounds_from_undefined): New.
4505 (estimate_numbers_of_iterations_loop): Use
4506 infer_loop_bounds_from_undefined.
4507 (used_in_pointer_arithmetic_p): New.
4508 (scev_probably_wraps_p): Pass an extra parameter. Call
4509 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4510 (convert_step): Fix documentation.
4511 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4512 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4513 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4514 scev_probably_wraps_p.
4516 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4518 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4519 (s390_register_info): Ignore clobbered_regs information for fixed
4520 registers, and only fixed registers.
4521 (s390_init_frame_layout): Remove redundant call.
4523 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4525 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4526 description of -Wold-style-casts.
4528 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4529 Jakub Jelinek <jakub@redhat.com>
4531 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4532 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4533 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4534 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4535 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4536 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4537 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4538 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4539 ("stack_protect_set", "stack_protect_test"): New expanders.
4540 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4541 "stack_protect_testdi"): New insn definitions.
4543 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4545 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4547 2005-08-12 Paul Brook <paul@codesourcery.com>
4549 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4551 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4553 * config/s390/predicates.md (setmem_operand): New predicate.
4554 (shift_count_operand): Accept ANDs with special constants as
4556 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4557 with special constants.
4558 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4559 shift_count_operand with setmem_operand.
4561 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4563 * config/s390/s390.c (s390_extract_part, s390_single_part):
4565 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4566 (s390_output_mi_thunk): Don't use lg on 31 bit.
4567 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4568 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4570 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4572 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4573 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4574 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4575 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4576 with one of the new macros.
4578 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4580 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4581 Don't set save_return_addr_p.
4582 (s390_register_info): Make clobbered_regs not depending on
4585 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4587 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4588 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4590 2005-08-11 James E. Wilson <wilson@specifix.com>
4592 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4594 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4596 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4597 locations gathered by var-tracking in single entry loc_list
4598 over loc_descriptor_from_tree.
4600 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4601 pass it down to loc_descriptor.
4602 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4603 (containing_function_has_frame_base): Move earlier in the file.
4604 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4605 instead of always assuming fbreg can't be used.
4607 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4609 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4610 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4611 Accept address wrapped in AND for Altivec.
4612 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4613 Strip AND wrapping offset address for Altivec.
4615 2005-08-11 Richard Henderson <rth@redhat.com>
4618 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4619 before using TYPE_IS_SIZETYPE.
4621 2005-08-11 Richard Henderson <rth@redhat.com>
4624 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4625 insn types not present on ev4.
4626 (alphaev5_insn_pipe): Similarly.
4628 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4631 * arm.c (arm_override_options): If the user has selected callee-super-
4632 interworking, then enable normal interworking.
4634 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4636 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4639 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4641 * doc/rtl.texi: Fix two typos.
4643 2005-08-11 Richard Guenther <rguenther@suse.de>
4646 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4647 cases where we call to/from functions returning void.
4649 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4652 * tree.c (build_pointer_type_for_mode): Robustify.
4654 2005-08-10 James E Wilson <wilson@specifix.com>
4656 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4657 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4659 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4662 2005-08-10 Eric Christopher <echristo@apple.com>
4664 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4665 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4668 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4671 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4672 for the high part when generating dynamic-no-pic code.
4674 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4676 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4677 (x86_64-*-linux*): Likewise.
4679 * config/i386/crtfastmath.c: New file.
4680 * config/i386/t-crtfm: Likewise.
4682 * config/i386/linux.h (ENDFILE_SPEC): New.
4683 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4685 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4688 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4690 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4691 (vec_shl, vec_shr): Document new operations.
4692 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4694 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4696 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4697 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4698 change predicate to indexed_or_indirect_address.
4700 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4702 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4703 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4704 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4705 and __aeabi_uwrite8.
4706 * config/arm/unaligned-funcs.c: New file.
4707 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4709 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4711 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4713 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4714 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4716 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4717 * final.c (pass_shorten_branches): Add dump.
4718 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4719 (pass_life): Rename dump.
4720 (rest_of_handle_flow2): Remove initial verify_flow_info.
4721 * function.c (pass_instantiate_virtual_regs): Add dump.
4722 * integrate.c (pass_initial_value_sets): Add dump.
4723 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4724 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4725 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4726 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4727 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4728 gate_rtl_unrool_and_peel_loops): New.
4729 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4730 rtl_doloop): Do not look at flags.
4731 * mode-switching.c (pass_mode_switching): Add dump.
4732 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4733 pass_split_before_regstack): Add dump.
4734 * regmove.c (pass_stack_adjustments): Add dump.
4735 * tree-optimize.c (pass_fixup_cfg): Add dump.
4737 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4740 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4741 deciding which instruction sequence to use.
4743 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4745 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4746 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4748 2005-08-09 Richard Guenther <rguenther@suse.de>
4750 * c-common.c (builtin_function_2): Remove.
4751 (def_builtin_1): New function.
4752 (c_common_nodes_and_builtins): Use def_builtin_1 to
4753 build builtin functions.
4755 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4757 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4758 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4759 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4762 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4764 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4765 fold_binary instead of fold_build2 since we don't care about the
4767 (loop_niter_by_eval): Likewise.
4768 (compare_trees): Likewise.
4769 (proved_non_wrapping_p): Likewise.
4771 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4775 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4776 if the if is really empty.
4778 2005-08-09 Steven Bosscher <stevenb@suse.de>
4780 PR tree-optimization/23234
4781 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4782 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4783 argument of the new enum.
4784 (execute_cse_reciprocals): Add reciprocals for function arguments
4785 on the unique successor edge of the entry block. Update other calls
4786 to execute_cse_reciprocals_1.
4788 2005-08-08 Richard Henderson <rth@redhat.com>
4791 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4793 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4795 * expr.c (write_complex_part): Return after handling MEM.
4797 2005-08-08 Josh Conner <jconner@apple.com>
4799 PR rtl-optimization/23241
4800 * combine.c (simplify_comparison): Fix error in determining
4801 whether to lift a subreg from comparison.
4803 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4806 * config/rs6000/altivec.md (vec_init<mode>): New.
4807 (vec_set<mode>): New.
4808 (vec_extract<mode>): New.
4809 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4810 (rs6000_expand_vector_set): New.
4811 (rs6000_expand_vector_extract): New.
4812 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4813 for Altivec modes before reload.
4814 (altivec_expand_vec_init_builtin): New.
4815 (get_element_number): New.
4816 (altivec_expand_vec_set_builtin): New.
4817 (altivec_expand_vec_ext_builtin): New.
4818 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4820 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4822 * config/rs6000/rs6000.h (rs6000_builtins): Add
4823 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4824 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4825 * config/rs6000/rs6000-protos.h: Declare new functions.
4827 2005-08-08 Jan Hubicka <jh@suse.cz>
4829 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4830 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4831 * i386.md (movdi*): Use pic_32bit_operand.
4832 * predicates.md (pic_32bit_operand): New.
4834 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4837 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4839 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4841 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4842 (test_for_singularity): Use fold_build2.
4844 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4846 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4848 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4850 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4851 (COMMON_ASM_OP) Define.
4852 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4853 (ix86_encode_section_info): Likewise.
4854 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4855 SUBTARGET_ENCODE_SECTION_INFO.
4857 2005-08-06 Richard Henderson <rth@redhat.com>
4860 * tree-nested.c (convert_local_reference): Save and restore val_only
4861 around component_ref and friends. Clear walk_subtrees by default.
4863 2005-08-06 Peter O'Gorman <peter@pogma.com>
4866 * gcc.c (process_command): Check the argument to -b has a dash.
4867 * doc/invoke.texi: Update -b and -V docs.
4869 2005-08-06 James E Wilson <wilson@specifix.com>
4871 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4873 2005-08-06 Michael Matz <matz@suse.de>
4875 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4876 member only if only one insn is associated with the value.
4878 2005-08-06 Nick Clifton <nickc@redhat.com>
4880 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4882 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4883 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4884 Check symbol flags instead of symbol name mangling.
4885 (xstormy16_asm_output_aligned_common): Likewise. Also
4886 simplify code since the bss100_section cass is the only case
4887 where the below100 code will be triggered.
4888 (xstormy16_encode_section_info): Encode below100 attribute
4889 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4891 (xstormy16_strip_name_encoding): Delete - this function is no
4893 (TARGET_STRIP_NAME_ENCODING): Undefine.
4894 * config/stormy16/stormy16-protos.h: Delete prototype for
4895 xstormy16_strip_name_encoding.
4897 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4899 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4900 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4901 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4902 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4903 config/alpha/predicates.md, config/arc/arc.h,
4904 config/arm/arm.h, config/arm/ieee754-df.S,
4905 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4906 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4907 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4908 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4909 config/m68hc11/m68hc11.h, config/mips/mips.c,
4910 config/mips/mips.h, config/mips/openbsd.h,
4911 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4912 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4913 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4914 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4915 config/sparc/linux.h, config/sparc/linux64.h,
4916 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4917 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4918 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4919 typos. Follow spelling conventions.
4921 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4924 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4925 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4926 specially. Check for side effects only for COND_EXPR.
4927 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4928 return with TREE_NO_WARNING.
4930 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4932 PR rtl-optimization/23233
4933 * loop.c (combine_movables): Require the modes to be the same.
4934 (move_movables): Remove handling of cases where the replacement
4935 had a different mode to the original.
4937 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4939 PR tree-optimization/23128
4940 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4941 subtraction wrap, and set TREE_OVERFLOW if they do.
4943 2005-08-05 Richard Henderson <rth@redhat.com>
4946 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4947 FORCED_LABEL labels.
4949 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4952 * reload.c (find_reloads_subreg_address): Pass down TYPE
4953 unchanged. Change all callers except find_reloads_toplev.
4955 2005-08-05 Michael Matz <matz@suse.de>
4957 * genattrtab.c (current_alternative_string): Remove.
4958 (SIMPLIFY_ALTERNATIVE): Ditto.
4959 (attr_alt_bit_p): Ditto.
4960 (alternative_name): Make const char *.
4961 (evaluate_eq_attr): Remove use of above things.
4962 (simplify_test_exp): Ditto.
4963 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4964 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4966 2005-08-04 James E Wilson <wilson@specifix.com>
4968 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4969 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4970 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4971 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4972 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4974 2005-08-04 Richard Henderson <rth@redhat.com>
4977 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4978 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4979 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4980 if we'd have to instantiate too many members.
4982 2005-08-04 Richard Henderson <rth@redhat.com>
4985 * tree-outof-ssa.c (coalesce_asm_operands): New.
4986 (coalesce_ssa_name): Use it. Split out ...
4987 (coalesce_phi_operands, coalesce_result_decls): ... these.
4989 2005-08-04 Paul Brook <paul@codesourcery.com>
4991 * read-rtl.c (read_quoted_string): Break if EOF.
4993 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
4995 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4996 (fold_build2): Likewise.
4997 (fold_build3): Likewise.
4998 (fold_build1_stat): New function prototype.
4999 (fold_build2_stat): Likewise.
5000 (fold_build3_stat): Likewise.
5001 * fold-const.c (fold_build1): Rename to ..
5002 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5003 through to build1_stat.
5004 (fold_build2): Rename to ..
5005 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5006 through to build2_stat.
5007 (fold_build3): Rename to ..
5008 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5009 through to build3_stat.
5011 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5012 Ian Lance Taylor <ian@airs.com>
5014 * function.c (assign_stack_local_1): Do not correct stack slot
5015 address if allocation size is smaller than mode size.
5017 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5020 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5021 (tree_merge_blocks): Propagate anything allowed by
5023 Clarify documentation.
5024 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5025 SSA form, schedule an update if necessary.
5027 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5029 * doc/install.texi (Binaries): Remove broken link to
5030 Sinix/Reliant Unix binaries.
5032 2005-08-03 Richard Henderson <rth@redhat.com>
5035 * function.c (stack_protect_epilogue): Export.
5036 * tree.h (stack_protect_epilogue): Declare.
5037 * calls.c (expand_call): Call it.
5039 2005-08-03 Eric Christopher <echristo@apple.com>
5041 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5042 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5045 2005-08-04 Jan Hubicka <jh@suse.cz>
5047 * profile.c (branch_prob): Split edges with goto locus on them
5048 to get proper line counts.
5049 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5051 2005-08-03 Paul Brook <paul@codesourcery.com>
5053 * function.c (assign_parms): Round current_function_args_size
5054 to PARM_BOUNDARY, not STACK_BOUNDARY.
5056 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5058 * config/i386/i386.c (x86_elf_aligned_common)
5059 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5061 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5063 PR tree-optimization/23157
5064 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5065 before emitting them.
5067 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5069 PR tree-optimization/19899
5070 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5071 * tree-scalar-evolution.c: Include real.h.
5072 (add_to_evolution): Build constant -1 of correct type.
5074 2005-08-03 Jan Hubicka <jh@suse.cz>
5076 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5077 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5078 profile updating for complette unrolling.
5079 * loop-unroll.c (peel_loop_completely): Use it.
5080 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5081 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5084 2005-08-03 Paul Brook <paul@codesourcery.com>
5086 * combine.c (can_change_dest_mode): New function.
5087 (try_combine, simplify_set): Use it.
5089 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5091 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5094 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5096 * doc/install.texi (Specific): Adjust link to openavr.org.
5097 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5098 (Binaries): Adjust HP-UX Porting Center link.
5099 (Binaries): Adjust Free Software Foundation ordering link.
5101 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5103 * convert.c (convert_to_integer): Use fold_build1 instead of
5104 build1 when converting an integer to an integer.
5106 2005-08-02 Richard Henderson <rth@redhat.com>
5108 * combine.c (combine_instructions): Don't use reg_equal/equiv
5109 results if the mode doesn't match.
5111 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5113 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5114 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5116 2005-08-02 Richard Henderson <rth@redhat.com>
5119 * explow.c (memory_address): Remove special-case for
5120 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5122 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5125 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5126 number of calls to cleanup_tree_cfg_1.
5128 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5130 * doc/invoke.texi: document file extensions .F90 and .F95
5132 2005-08-02 Richard Guenther <rguenther@suse.de>
5134 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5135 positive if its first argument is positive.
5137 2005-08-02 Richard Guenther <rguenther@suse.de>
5139 PR tree-optimization/23177
5140 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5143 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5145 PR tree-optimization/23129
5146 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5147 varying for divisions with anti-ranges.
5149 2005-08-02 Jan Hubicka <jh@suse.cz>
5151 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5152 * tree-ssa-threadupdate.c (thread_block): Add it here.
5154 2005-08-01 James E Wilson <wilson@specifix.com>
5156 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5157 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5158 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5160 * config/mips/predicates.md (const_call_insn_operand): Add check for
5161 SYMBOL_REF_LONG_CALL_P.
5162 * doc/extend.texi (long_call): Document the new attribute.
5164 2005-08-01 Ian Lance Taylor <ian@airs.com>
5165 Richard Henderson <rth@redhat.com>
5167 * Makefile.in (RTL_BASE_H): Add real.h.
5168 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5170 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5172 * rtl.c (rtl_check_failed_code_mode): New.
5173 * rtl.h (struct rtx_def): Add u.rv.
5174 (XCMWINT, XCNMPRV): New.
5175 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5176 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5178 2005-08-01 Richard Henderson <rth@redhat.com>
5180 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5181 with auto-inc codes.
5183 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5185 2005-08-01 Jan Hubicka <jh@suse.cz>
5187 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5188 * i386.c: Include dwarf2.h
5189 (asm_preferred_eh_data_format): New.
5190 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5192 2005-08-01 Ian Lance Taylor <ian@airs.com>
5194 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5195 randomize_va_space for virtual address randomization control.
5197 2005-08-01 Steven Bosscher <stevenb@suse.de>
5199 * common.opt (flag_ipa_cp): Put in right place to maintain
5202 2005-08-01 Jan Hubicka <jh@suse.cz>
5204 * profile.c (compute_value_histograms): Fix thinko.
5205 * value-prof.c: Include toplev.h
5206 (check_counter): New function.
5207 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5208 tree_mod_subtract_transform): Add sanity check.
5210 2005-08-01 Richard Guenther <rguenther@suse.de>
5212 PR tree-optimization/23133
5213 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5214 current functions parameter decls to find defs to cse
5217 2005-08-01 Richard Guenther <rguenther@suse.de>
5219 PR tree-optimization/23109
5220 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5221 If trapping math is in effect, use post-dominator information
5222 to check if we'd in any case reach a trapping point before
5223 doing the reciprocal insertion.
5224 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5225 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5226 expressions are invariant only if trapping math is not in effect.
5228 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5230 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5231 cgraph_function_versioning): New declarations.
5232 * cgraphunit.c: Add include to ipa-prop.h.
5233 (update_call_expr, cgraph_copy_node_for_versioning,
5234 cgraph_function_versioning): New functions.
5235 * integrate.c (copy_decl_for_inlining): Remove.
5236 * ipa-prop.h (ipa_replace_map): New struct.
5237 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5238 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5239 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5240 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5241 ipcp_iterate_stage, ipcp_method_scale_print,
5242 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5243 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5244 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5245 ipcp_update_bb_counts, ipcp_update_profiling,
5246 ipcp_update_edges_counts): New functions.
5247 (ipcp_method_cval_init): Remove restriction regarding local methods.
5248 (ipcp_init_stage): Add ipcp_method_compute_scale.
5249 (ipcp_insert_stage): Add versioning.
5250 (ipcp_structures_print): Add ipcp_method_scale_print.
5251 (ipcp_driver): Dump profiling info.
5252 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5253 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5254 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5255 (struct inline_data): Add versioning_p, ipa_info, new fields.
5256 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5257 declare_return_variable): Replace calls to copy_decl_for_inlining with
5259 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5261 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5262 Add argument VERSIONING.
5263 (copy_arguments_for_versioning, copy_static_chain,
5264 function_versionable_p, tree_versionable_function_p,
5265 tree_function_versioning, replace_ref_tree): New functions.
5266 * tree-inline.h: Include varray.h.
5267 (tree_versionable_function_p, tree_function_versioning,
5268 tree copy_decl_for_dup): New declarations.
5270 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5272 * ipa-cp.c: New file. Contains IPCP specific functionality.
5273 * ipa-prop.h: New file. Contains structures/definitions that can be
5274 used by several interprocedural data flow optimizations (and also IPCP).
5275 * ipa-prop.c: New file.
5276 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5277 * common.opt: Add ipa-cp flag.
5278 * timevar.def: Add IPCP optimization.
5279 * tree-optimize.c (init_tree_optimization_passes): Schedule
5281 * tree-pass.h (pass_ipa_cp): Declare.
5283 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5285 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5286 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5287 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5288 config/i386/i386.c, config/mips/mips.h,
5289 config/rs6000/rs6000.h, config/sh/sh.c,
5290 config/stormy16/stormy16.c: Fix comment typos.
5292 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5295 * c-typeck.c (build_binary_op): Use common_type wrapper on
5297 (common_type): Update comment.
5299 2005-07-31 Steven Bosscher <stevenb@suse.de>
5302 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5303 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5304 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5306 2005-07-31 Jan Hubicka <jh@suse.cz>
5308 * pretty-print.h (pp_widest_integer): New macro.
5309 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5312 2005-07-31 Jan Hubicka <jh@suse.cz>
5314 * output.h (enum section_category): Export from varasm.c
5315 (categorize_decl_for_section): Likewise.
5316 * varasm.c (enum section_category): Kill.
5317 (categorize_decl_for_section): Make global.
5318 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5320 * i386.c (ix86_section_threshold): New static variable.
5321 (ix86_in_large_data_p, ix86_encode_section_info,
5322 x86_64_elf_unique_section,
5323 x86_64_elf_select_section): New functions.
5324 (TARGET_ENCODE_SECTION_INFO): Define
5325 (override_options): Enable medium model for PIC.
5326 (ix86_expand_prologue): Expand gen_set_got_rex64.
5327 (legitimate_constant_p): Handle new UNSPECs.
5328 (legitimate_pic_address_disp_p): Likewise.
5329 (legitimize_pic_address): Lower MEDIUM model addressing.
5330 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5331 (enum cmodel): Add MEDIUM_PIC.
5332 (SYMBOL_REF_FAR_ADDR_P): New macro.
5333 (SYMBOL_FLAG_FAR_ADDR): New flag.
5334 * i386.md (movdi): Support medium model.
5335 (set_got_rex64): New pattern.
5336 * i386.opt (mlarge-data-threshold): New flag.
5337 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5338 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5339 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5340 TARGET_ASM_UNIQUE_SECTION): New.
5342 * invoke.texi (-mlarge_data_threshold): Document
5344 2005-07-31 Jan Hubicka <jh@suse.cz>
5346 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5347 (coalesce_vars): Likewise.
5348 * tree-ssa-live.c (coalesce_cost): New.
5349 (build_tree_conflict_graph): Use coalesce_cost.
5350 * tree-ssa-live.h (coalesce_cost): Declare.
5352 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5354 * arm.md (all peepholes for post-increment operations): Delete.
5355 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5356 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5357 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5358 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5359 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5361 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5363 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5366 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5369 * doc/invoke.texi: Document -rdynamic.
5371 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5374 * c-parser.c (c_parser_parms_list_declarator): Call
5375 mark_forward_parm_decls.
5376 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5377 decls with visibility structure.
5379 2005-07-30 Paul Brook <paul@codesourcery.com>
5381 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5383 2005-07-30 Paul Brook <paul@codesourcery.com>
5385 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5387 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5389 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5391 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5394 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5395 nested function declarators.
5396 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5397 (grokparms): Call warn_if_shadowing for parameters used within the
5399 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5400 not used within the parameter list.
5401 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5403 2005-07-30 Jan Hubicka <jh@suse.cz>
5405 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5406 * i386.c (ix86_fixup_binary_operands): Likewise.
5407 (ix86_expand_unary_operator): Likewise.
5408 (ix86_expand_fp_absneg_operator): Likewise.
5409 * optabs.c (expand_vec_cond_expr): Validate dest.
5411 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5414 * real.c (real_from_string): Also set last bit if there is a
5415 nonzero hex digit beyond GCC's internal precision after ".".
5417 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5419 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5420 define_constants. Change duplicate values to unassigned numbers.
5421 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5422 (*altivec_vspltsf): New.
5423 (altivec_vperm_v4sf): Delete.
5424 (altivec_vperm_<mode>): Use mode macro V.
5425 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5426 (altivec_predicate_v4sf): Delete.
5427 (altivec_predicate_<mode>): Use mode macro V.
5428 (*altivec_lvesfx): New.
5429 (*altivec_stvesfx): New.
5430 (vec_realign_load_v4sf): Delete.
5431 (vec_realign_load_<mode>): Use mode macro V.
5432 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5435 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5438 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5440 * configure: Regenerated.
5442 2005-07-29 Paul Brook <paul@codesourcery.com>
5444 * doc/install.texi: Add link to GFortran binaries wiki page.
5446 2005-07-29 David Ung <davidu@mips.com>
5448 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5449 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5450 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5451 * config/mips/mips.md (cpu): Add 5kf name.
5452 (includes): Includes 5k.md.
5453 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5454 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5457 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5460 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5461 (cleanup_tree_cfg): ... here.
5462 Call cleanup_tree_cfg_1 until there are no more cleanups to
5465 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5467 * tree-vrp.c (compare_range_with_value): Return true or false
5468 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5469 EQ_EXPR respectively.
5471 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5473 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5476 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5478 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5479 (tree_ssa_dominator_optimize): Increment it.
5480 (dump_dominator_optimization_stats): Print it.
5482 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5483 Steven Bosscher <stevenb@suse.de>
5485 PR rtl-optimization/23117
5486 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5487 when head == tail. Tidy comment.
5489 2005-07-28 Richard Henderson <rth@redhat.com>
5491 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5492 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5493 * jump.c (rtx_renumbered_equal_p): Likewise.
5494 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5495 CONST_INT and CONST_DOUBLE.
5496 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5497 * reload.c (operands_match_p): Special case CONST_INT and
5498 CONST_DOUBLE; check mode earlier.
5500 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5503 * c-typeck.c (convert_for_assignment): Do not check
5504 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5506 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5509 * c-typeck.c (composite_type): Prefer constant size arrays to
5512 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5515 * real.c (real_from_string): Set last bit if there is a nonzero
5516 hex digit beyond GCC's internal precision.
5518 2005-07-28 Richard Henderson <rth@redhat.com>
5521 * cfgcleanup.c (try_forward_edges): Watch out for end of
5524 2005-07-28 James E Wilson <wilson@specifixinc.com>
5527 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5529 2005-07-28 Jan Hubicka <jh@suse.cz>
5531 * Makefile.in (rtl-profile.o): Kill all traces of it.
5532 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5533 * coverage.h (rtl_coverage_counter_ref): Kill.
5534 * opts.c (flag_speculative_prefetching_set): Kill.
5535 (flag_loop_optimize_set): New.
5536 (common_handle_option): Disable loop optimizer when profiling;
5537 do not handle speculative prefetching.
5538 * passes.c (init_optimization_passes): Replace pass_profiling combo
5539 by branch_prob pass.
5540 * profile.c (compute_value_histograms): Update for simplified value
5542 (rtl_register_profile_hooks): Kill.
5543 (pass_profiling): Kill.
5544 (rest_of_handle_branch_prob): Do not profile.
5545 * toplev.c (process_options): Remove speculative prefetching.
5546 * toplev.h (flag_tree_based_profiling): Kill.
5547 * tree-profile.c (prepare_instrumented_value,
5548 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5549 tree_gen_one_value_profiler, do_tree_profiling): Update for
5550 simplified datastructures.
5551 * value-prof.c: Add comment that speculative prefetching was dropped;
5552 update rest of file for simplified datastructures.
5553 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5554 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5555 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5556 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5557 rtl_mod_subtract, gen_speculative_prefetch,
5558 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5559 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5560 (gate_handle_value_profile_transformations,
5561 rest_of_handle_value_profile_transformations,
5562 pass_value_profile_transformations): Kill.
5563 * value-prof.h (histogram_value_t): Remove IL based unions.
5564 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5565 rtl_profile_hooks): Remove hooks.
5567 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5569 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5570 (cgraph_clone_node): Likewise.
5571 * cgraph.h (cgraph_clone_edge): Update prototype.
5572 (cgraph_clone_node): Likewise.
5573 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5575 (lookup_recursive_calls): Consider profile.
5576 (cgraph_decide_recursive_inlining): Fix updating; use new
5577 probability argument; use profile.
5578 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5579 * tree-inline.c (copy_bb): Update clal of clone_edge.
5580 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5582 * invoke.texi (min-inline-recursive-probability): Document.
5584 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5586 * doc/install.texi (Configuration): Update Valgrind homepage.
5588 2005-07-28 Richard Henderson <rth@redhat.com>
5591 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5592 labels we want to delete.
5593 (cfg_layout_merge_blocks): Likewise.
5595 2005-07-28 Richard Henderson <rth@redhat.com>
5598 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5599 when expanding to nothing.
5601 2005-07-28 Josh Conner <jconner@apple.com>
5603 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5604 (cgraph_decide_inlining_of_small_functions): Likewise.
5606 2005-07-28 Josh Conner <jconner@apple.com>
5608 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5609 direction of badness if negative.
5610 (cgraph_default_inline_p): Add reason to parameters, and assign it
5612 (cgraph_decide_inlining_of_small_functions): New parameter in call
5613 to cgraph_default_inline_p.
5614 (cgraph_decide_inlining_incrementally): Likewise.
5615 * cgraphunit.c (decide_is_function_needed): Likewise.
5616 * cgraph.h (cgraph_default_inline_p): Likewise.
5618 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5620 * builtins.c: Fix comment typo(s).
5621 * genautomata.c: Likewise.
5622 * gimplify.c: Likewise.
5623 * tree-dfa.c: Likewise.
5624 * tree-flow-inline.h: Likewise.
5625 * tree-into-ssa.c: Likewise.
5626 * tree-ssa-alias.c: Likewise.
5627 * tree-ssa-ccp.c: Likewise.
5628 * tree-ssa-copy.c: Likewise.
5629 * tree-ssa-dce.c: Likewise.
5630 * tree-ssa-dom.c: Likewise.
5631 * tree-ssa-operands.c: Likewise.
5632 * tree-tailcall.c: Likewise.
5633 * tree-vectorizer.c: Likewise.
5634 * tree-vrp.c: Likewise.
5637 2005-07-28 Jeff Law <law@redhat.com>
5639 * tree-vrp.c (test_for_singularity): Extracted from ...
5640 (simplify_cond_using_ranges): Attempt to simplify a relational
5641 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5643 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5645 PR tree-optimization/22506
5646 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5647 phis whose argument is constant.
5649 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5651 PR rtl-optimization/18992
5652 Back out this patch:
5653 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5654 PR optimization/12142
5655 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5656 uses of the register in the SET_SRC. Remove unnecessary argument.
5658 Replace it with this:
5659 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5660 if flag_non_call_exceptions is set and the insn may trap, pass
5661 pc_rtx as dest for recursion.
5662 In SET_SRC part of SET case, if dest is already set, pass it down
5665 2005-07-28 Jan Hubicka <jh@suse.cz>
5667 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5668 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5669 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5671 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5672 profile when available.
5674 2005-07-28 Jan Beulich <jbeulich@novell.com>
5676 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5677 (ia64_print_operand): Describe and handle 'X'.
5678 (ia64_register_move_cost): Also handle FP_REGS.
5679 (ia64_preferred_reload_class): Likewise.
5680 (ia64_secondary_reload_class): Likewise.
5681 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5682 it. Also check for ITANIUM_CLASS_FLDP.
5683 * config/ia64/ia64.h (FP_REGNO_P): New.
5684 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5685 (reg_class): Add FP_REGS.
5686 (REG_CLASS_NAMES): Adjust for it.
5687 (REG_CLASS_CONTENTS): Likewise.
5688 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5689 (REG_CLASS_FROM_LETTER): Handle 'x'.
5690 (CLASS_MAX_NREGS): Handle FP_REGS.
5691 (MEMORY_MOVE_COST): Likewise.
5692 * config/ia64/ia64.md (itanium_class): Add fldp.
5693 (type): Handle fldp.
5694 (movti_internal): More allowable operand combinations. Use ldfp8 when
5695 splitting unnecessary. Remove predicable attribute. Adjust
5696 itanium_class attribute.
5697 (smuldi3_highpart): Remove outdated comment.
5698 (mulditi3, umulditi3, rotlti3): New expanders.
5699 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5700 (absti2): Disabled new insn for future reference.
5701 Respective new splitters.
5702 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5703 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5704 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5706 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5708 PR rtl-optimization/23047
5709 * simplify-rtx.c (simplify_const_relational_operation): Respect
5710 flag_wrapv for comparisons with ABS.
5712 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5714 PR tree-optimization/22493
5715 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5716 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5718 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5720 * config/frv/frv.opt (moptimize-membar): New.
5722 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5724 * config/frv/frv.h: Remove machine_function definition.
5726 * config/frv/frv.c (struct frv_io): New.
5727 (struct machine_function): Moved from frv.h. Add has_membar_p.
5728 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5729 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5730 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5731 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5732 (frv_reorg): Call frv_optimize_membar when appropriate.
5733 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5734 (frv_expand_builtin): Adjust calls accordingly.
5735 (frv_io_address_cookie): New function.
5736 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5737 load or store rather than a special insn. Add ccnstant address and
5738 io-type operands to the membar.
5739 (frv_ifcvt_modify_tests): Unsign regno.
5740 (frv_ifcvt_modify_tests): Same.
5742 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5743 UNSPEC_OPTIONAL_MEMBAR constant.
5744 (builtin_read_<mode>): Delete.
5745 (builtin_write_<mode>): Delete.
5746 ("optional_membar_<mode>"): Add operand.
5748 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5749 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5750 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5751 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5752 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5753 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5754 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5755 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5756 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5758 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5760 * df.c (df_uses_record): Handle SCRATCH.
5762 2005-07-28 Steven Bosscher <stevenb@suse.de>
5765 * passes.c (rest_of_decl_compilation): If decl is a type and
5766 we have encountered errors, don't emit debug information.
5768 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5770 * params.def: Fixed comment.
5772 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5775 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5776 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5777 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5779 2005-07-27 Steven Bosscher <stevenb@suse.de>
5782 * varasm.c (assemble_start_function): Don't do anything that may
5783 require a CFG if the current function is a thunk.
5785 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5787 * doc/install.texi (Prerequisites): Mention that perl is needed
5788 to do export control in libstdc++ targetting Darwin.
5790 2005-07-27 Steven Bosscher <stevenb@suse.de>
5792 PR rtl-optimization/17808
5793 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5794 (sched_insns_conditions_mutex_p): Split out from...
5795 (add_dependence): ...here. But don't call it from here.
5796 (add_dependence_list): Check sched_insns_conditions_mutex_p
5797 before calling add_dependence.
5798 (add_dependence_list_and_free): Likewise.
5799 (fixup_sched_groups): Likewise.
5800 (sched_analyze_1): Likewise.
5801 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5802 (sched_analyze): Likewise.
5803 (sched_analyze_insn): Likewise.
5804 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5805 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5806 dependencies on all COND_EXEC insns to jumps ending basic blocks
5807 when doing intrablock scheduling.
5808 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5810 2005-07-27 Jeff Law <law@redhat.com>
5812 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5813 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5814 equivalency sets, correctly handle the case were vr0 has an
5815 equivalency set, but vr1 does not.
5817 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5819 PR tree-optimization/23073
5820 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5821 vect_print_dump_info before fprintf.
5823 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5825 PR tree-optimize/22348
5826 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5827 Fold the partial computation.
5829 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5831 PR tree-optimization/22325
5832 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5834 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5836 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5837 (force_var_cost): ... this function.
5838 (compute_phi_arg_on_exit): Export.
5840 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5842 PR tree-optimization/20773
5843 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5846 2005-07-27 Richard Guenther <rguenther@suse.de>
5848 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5849 Avoid pushing again if current struct contains only
5850 fields we decomposed.
5852 2005-07-27 Jan Hubicka <jh@suse.cz>
5854 PR tree-optimization/22574
5855 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5858 * tree-tailcall.c (decrease_profile): New function.
5859 (eliminate_tail_call): Use it.
5861 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5862 visibility flags correctly in whole program mode.
5864 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5866 PR rtl-optimization/22472
5867 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5869 2005-07-26 Steven Bosscher <stevenb@suse.de>
5871 PR tree-optimization/22504
5872 * tree-complex.c (expand_complex_addition): Use 'code' instead
5873 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5875 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5877 * config.gcc (cpu_type): Add frv case.
5878 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5879 (supported_defaults): Add fr550 case.
5881 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5884 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5885 whether a pointer of type T * may point to objects of type T *.
5887 2005-07-26 DJ Delorie <dj@redhat.com>
5889 * configure: Regenerate.
5891 2005-07-26 Dale Johannesen <dalej@apple.com>
5893 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5895 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5897 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5898 Clarify use of "build" in name.
5900 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5902 * doc/extend.texi (Raw read/write Functions): New section.
5903 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5904 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5905 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5906 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5907 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5908 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5909 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5910 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5911 * config/frv/frv.c: Add bdesc_loads global.
5912 Add bdesc_stores global.
5913 (frv_init_builtins): Add support for __builtin_{read/write}*.
5914 (frv_volatile_memref): New.
5915 (frv_expand_load_builtin): New.
5916 (frv_expand_store_builtin): New.
5917 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5918 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5919 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5920 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5921 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5922 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5923 (builtin_read_<mode>): New.
5924 (builtin_write_<mode>): New.
5925 (builtin_write64): New.
5926 (optional_membar_<mode>): New.
5928 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5930 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5931 (rather than units) against HOST_BITS_PER_WIDE_INT.
5933 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5935 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5936 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5937 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5938 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5941 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5942 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5943 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5945 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5947 2005-07-26 Richard Guenther <rguenther@suse.de>
5949 PR tree-optimization/22486
5950 * fold-const.c (fold_unary): Fold away useless component
5951 references of the form (T *)&T.x, if the address
5954 2005-07-25 James E Wilson <wilson@specifixinc.com>
5956 * dwarf2out.c (add_call_src_coords_attributes): New.
5957 (gen_inlined_subroutine_die): Call it.
5958 (maybe_emit_file, init_file_table): Add comments.
5959 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5961 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5962 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5963 * tree.h (BLOCK_SOURCE_LOCATION): New.
5964 (struct tree_block): New field locus.
5966 2005-07-26 Andreas Schwab <schwab@suse.de>
5968 PR rtl-optimization/23043
5969 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5970 when allocating a struct unoccr.
5972 2005-07-25 Richard Henderson <rth@redhat.com>
5975 * tree-complex.c (gate_no_optimization): True if errors.
5976 * Makefile.in (tree-complex.o): Update dependencies.
5978 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
5980 * config/frv/predicates.md (integer_register_operand): Use
5983 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5986 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5988 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5990 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5992 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5993 types when flag_unsafe_math_optimizations is true.
5995 2005-07-25 Mark Mitchell <mark@codesourcery.com>
5997 * gcc.c (option_map): Add --sysroot.
5998 (process_command): Handle --sysroot.
5999 (display_help): Document it.
6000 * doc/cppopts.tex (-isysroot): Document.
6001 * doc/invoke.texi (--sysroot): Document.
6002 * doc/install.texi (--with-build-sysroot): Document.
6004 * Makefile.in (inhibit_libc): New variable.
6005 (INHIBIT_LIBC_CFLAGS): Likewise.
6006 (LIBGCC2_CFLAGS): Include
6007 $(INHIBIT_LIBC_CFLAGS).
6008 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6009 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6010 ($(T)crtend.o): Likewise.
6011 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6012 ($(T)crtendS.o): Likewise.
6013 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6014 ($(T)crtendT.o): Likewise.
6015 (stmp-fixinc): Do not complain about missing headers if
6017 * configure.ac (inhibit_libc): Set it to true/false.
6018 (--with-build-sysroot): New option. Use it to set
6020 * configure: Regenerated.
6022 2005-07-25 Manfred Hollstein <mh@suse.com>
6024 * calls.c (store_one_arg): Fix unsigned comparison warning.
6026 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6029 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6030 (ggc_print_statistics): Initialize variable before use.
6032 2005-07-25 Richard Guenther <rguenther@suse.de>
6034 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6035 calling with a PHI_NODE argument.
6037 * tree-flow-inline.h (overlap_subvar): Protect against
6040 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6042 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6043 * configure: Regenerate.
6045 2005-07-25 Ira Rosen <irar@il.ibm.com>
6047 * expr.c (highest_pow2_factor): Make extern.
6048 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6049 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6050 record_array_differ_p, array_ptr_differ_p): Likewise.
6051 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6052 additional cases. Call the above functions.
6053 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6054 base_object_differ_p when there are two base objects. Otherwise, compare
6055 base address and offset. Call may_alias_p.
6056 (dump_data_reference): Use a correct field name.
6057 (analyze_array): Make static. Initialize new data-ref fields.
6058 (analyze_indirect_ref): New function.
6059 (init_data_ref): Initialize new data-ref fields.
6060 (strip_conversion): Moved from tree-vect-analyze.c.
6061 (analyze_offset_expr, get_ptr_offset, address_analysis,
6062 object_analysis): Likewise.
6063 (analyze_offset): New function.
6064 (create_data_ref): Likewise.
6065 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6066 dimensions for ARRAY_REFs only.
6067 (build_classic_dist_vector): Make static.
6068 (access_functions_are_affine_or_constant_p): Call macro to get the
6069 address of access functions.
6070 (compute_all_dependences): Add new parameter
6071 compute_self_and_read_read_dependences. Compute self and read-read
6072 dependences if it is true.
6073 (find_data_references_in_loop): Call create_data_ref. Initialize new
6075 (compute_data_dependences_for_loop): Add new parameter
6076 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6077 compute nb_loops. Call compute_all_dependences,
6078 build_classic_dist_vector and build_classic_dir_vector with correct
6080 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6081 with correct parameters. Compare dimensions for ARRAY_REFs only.
6082 (free_data_refs): Call macro to free access functions.
6083 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6084 fields from stmt_vinfo.
6085 (struct base_object_info): New structure.
6086 (struct data_reference): Move fields to base_object_info. Add fields
6087 first_location and object_info for above structures. Move fields from
6088 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6089 aligned_to. Add macros to access the new fields.
6090 Update functions declarations.
6091 * tree-flow.h (is_aliased_with): Declare.
6092 * tree-loop-linear.c (linear_transform_loops): Call
6093 compute_data_dependences_for_loop with correct parameters.
6094 * tree-ssa-alias.c (is_aliased_with): New function.
6095 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6096 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6097 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6098 vect_base_addr_differ_p, compute_subscript_distance and
6099 build_classic_dist_vector. Add printings. Check absolute value of
6101 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6103 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6104 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6105 to bytes. Add printing.
6106 (vect_compute_data_refs_alignment): Go through loads and stores in one
6108 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6109 vect_analyze_data_ref_access): Likewise.
6110 (vect_analyze_pointer_ref_access): Remove.
6111 (vect_address_analysis, vect_object_analysis): Likewise.
6112 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6113 and analyze data-refs in the loop.
6114 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6115 fields of data-ref instead of stmt. Add init to the offset from the
6117 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6118 (vect_update_init_of_dr): Likewise.
6119 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6120 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6122 (new_loop_vec_info): Initialize new fields.
6123 (destroy_loop_vec_info): Free new fields.
6124 (vect_strip_conversion): Remove.
6125 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6126 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6127 datarefs. Add new field ddrs.
6128 Add macros for the new fields access.
6129 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6130 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6131 Remove their macros.
6132 * tree.h (highest_pow2_factor): Declare.
6134 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6136 * calls.c (store_one_arg): Check for sibling call MEM arguments
6137 from already clobbered incoming argument area.
6139 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6141 * c-common.c (check_missing_format_attribute): New.
6142 * c-common.h (check_missing_format_attribute): Likewise.
6143 * c-typeck.c (convert_for_assignment): Use it.
6145 2005-07-24 Andreas Schwab <schwab@suse.de>
6147 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6148 register use a word move. Correct operand of ext.w in 68000 code.
6150 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6152 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6153 variables as declarations, rather than definitions.
6155 2005-07-24 Ira Rosen <irar@il.ibm.com>
6157 PR tree-optimization/22526
6158 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6161 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6163 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6164 that C99 reserve for future use. Use it to define clog10,
6165 clog10f and clog10l.
6167 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6169 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6170 * configure.ac: Check for -Wmissing-format-attribute.
6172 * configure: Regenerate.
6174 2005-07-23 Richard Henderson <rth@redhat.com>
6176 PR tree-optimization/22623
6177 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6179 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6182 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6184 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6186 * Makefile.in (C_TREE_H): Update dependencies.
6187 * c-tree.h: Include toplev.h.
6188 * diagnostic.h (diagnostic_set_info): Add format attribute.
6189 * rtl-error.c (diagnostic_for_asm): Likewise.
6191 2005-07-23 Chao-ying Fu <fu@mips.com>
6193 * config/mips/mips-dsp.md: New file.
6194 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6195 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6197 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6198 MIPS_BUILTIN_BPOSGE32.
6199 (mips_expand_builtin_direct): Add one parameter to indicate that
6200 builtin functions need to return a value.
6201 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6203 (mips_regno_to_class): Add classes for 12 new DSP registers.
6204 (mips_subword): Change to check four HI registers.
6205 (mips_output_move): Output move to and from 6 new DSP accumulators.
6206 (override_options): Make sure -mdsp and -mips16 are not used together.
6207 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6209 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6211 (print_operand): Add 'q' for printing DSP accumulators.
6212 (mips_cannot_change_mode_class): Check ACC_REGS.
6213 (mips_secondary_reload_class): Check ACC_REGS.
6214 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6215 (mips_register_move_cost): Check ACC_REGS.
6216 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6217 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6218 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6219 (dsp_bdesc): New array.
6220 (bdesc_arrays): Add DSP builtin function table.
6221 (mips_prepare_builtin_arg): Check predicate again after
6223 (mips_expand_builtin): Add one more parameter to
6224 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6225 MIPS_BUILTIN_BPOSGE32.
6226 (mips_init_builtins): Initialize new function types.
6227 (mips_expand_builtin_direct): Check if builtin functions need to
6228 return a value and pass operands properly.
6229 (mips_expand_builtin_bposge): New function.
6230 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6231 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6232 (FIRST_PSEUDO_REGISTER): Increase to 188.
6233 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6234 Update for 12 new DSP registers.
6235 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6236 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6237 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6238 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6239 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6240 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6241 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6242 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6243 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6244 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6245 (REGISTER_NAMES): Add names for 12 new DSP registers.
6246 * config/mips/mips.md: Include mips-dsp.md.
6247 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6248 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6249 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6250 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6251 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6252 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6253 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6254 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6255 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6256 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6257 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6258 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6259 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6260 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6261 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6262 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6263 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6264 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6265 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6266 (UNSPEC_RDDSP): New constants.
6267 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6268 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6270 * config/mips/mips.opt (-mdsp): New option.
6271 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6272 (reg_imm10_operand): New predicates.
6273 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6274 * doc/invoke.texi (-mdsp): Document new option.
6276 2005-07-22 DJ Delorie <dj@redhat.com>
6278 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6280 * tree-inline.c (inlinable_function_p): Likewise.
6282 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6285 * toplev.c (check_global_declarations): Do not mark undefined
6286 variables as DECL_IGNORED_P.
6287 * varasm.c (first_global_object_name): GTY it.
6288 (weak_global_object_name): Likewise.
6289 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6290 a string to go into {weak,first}_global_object_name.
6292 2005-07-22 DJ Delorie <dj@redhat.com>
6294 * c-format.c (check_function_format): Change warning control
6295 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6297 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6299 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6300 &PTR->FLD a dereference of PTR.
6301 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6302 a potential dereference of PTR.
6304 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6306 PR rtl-optimization/20370
6307 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6308 call allocate_reg_info if necessary.
6310 PR rtl-optimization/21848
6311 * calls.c (emit_library_call_value_1): For const functions, add
6312 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6314 PR rtl-optimization/22445
6315 * cselib.c (target.h): Include.
6316 (rtx_equal_for_cselib_p): Allow commutative matches.
6317 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6318 Remove MODE parameter. Changed all callers.
6320 PR rtl-optimization/22258
6321 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6323 (try_combine): Use likely_spilled_retval_p.
6325 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6327 * config.gcc: Add crx-elf support.
6329 * doc/contrib.texi: Mention crx.
6330 * doc/extend.texi: Document crx extensions.
6331 * doc/install.texi: Document crx install.
6332 * doc/invoke.texi: Document crx options.
6333 * doc/md.texi: Document crx constraints.
6335 * config/crx/crx-protos.h: New file.
6336 * config/crx/crx.c: New file.
6337 * config/crx/crx.h: New file.
6338 * config/crx/crx.md: New file.
6339 * config/crx/crx.opt: New file.
6340 * config/crx/t-crx: New file.
6342 2005-07-22 Manfred Hollstein <mh@suse.com>
6344 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6346 (int_add_graph_edge): Likewise.
6347 (collapse_nodes): Likewise.
6348 (process_unification_queue): Likewise.
6350 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6351 Laurent GUERBY <laurent@guerby.net>
6353 PR tree-optimization/22336
6354 * function.c (record_block_change): Check for
6355 cfun->ib_boundaries_block.
6357 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6359 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6360 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6362 2005-07-21 DJ Delorie <dj@redhat.com>
6364 * toplev.c (warn_deprecated_use): Add warning control to warning
6366 * c-typeck.c (parser_build_binary_op): Likewise.
6367 (c_finish_if_stmt): Likewise.
6368 * c-common.c (check_function_sentinel): Likewise.
6369 (check_nonnull_arg): Likewise.
6371 2005-07-21 Richard Henderson <rth@redhat.com>
6374 * tree-complex.c (complex_ssa_name_components): New.
6375 (cvc_lookup): Allow entry not found.
6376 (create_components): Remove.
6377 (create_one_component_var, get_component_var): New.
6378 (get_component_ssa_name, set_component_ssa_name): New.
6379 (extract_component): Use get_component_ssa_name.
6380 (update_complex_components): Use set_component_ssa_name.
6381 (update_complex_components_on_edge): Likewise.
6382 (update_phi_components): Create new PHI nodes directly, instead
6383 of adding insns to edges.
6384 (tree_lower_complex): Allocate and free complex_variable_components
6385 and complex_ssa_name_components here.
6387 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6389 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6390 revert to returning false.
6392 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6395 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6397 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6400 * config/i386/i386.md (cmpxf): Change operand constraints
6401 to "nonmemory_operand".
6403 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6405 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6407 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6410 * fold-const.c (fold_build1): Add checksum for the operands.
6411 (fold_build2): Likewise.
6412 (fold_build3): Likewise.
6414 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6417 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6419 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6421 * common.opt (-fforward-propagate): Committed by mistake,
6424 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6426 * reg-stack.c: Fix comment typo(s).
6427 * tree-ssa-operands.c: Likewise.
6428 * tree-vectorizer: Likewise.
6430 2005-07-21 Nick Clifton <nickc@redhat.com>
6432 * config/sh/symbian.c: Replace C++ style line comments with C
6433 style line comments.
6434 (symbian_add_attribute): Do not use a ? operator on the LHS of
6436 (sh_symbian_handle_dll_attribute): Change the type of the
6437 method vector to "VEC(tree,gc)*" and use vector accessor
6438 macros to walk over the elements.
6439 (symbian_export_vtable_and_rtti_p): Likewise.
6440 (symbian_class_needs_attribute_p): Likewise.
6442 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6445 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6446 initialize targetm.resolve_overloaded_builtin here.
6447 (altivec_expand_overloaded_builtin): Make it non-static.
6448 * config/rs6000/rs6000-protos.h
6449 (altivec_expand_overloaded_builtin): New prototype.
6450 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6451 targetm.resolve_overloaded_builtin here.
6452 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6454 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6455 Zdenek Dvorak <dvorakz@suse.cz>
6457 PR tree-optimization/19210
6458 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6460 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6461 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6462 rely on unproven assumptions.
6463 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6464 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6465 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6466 to number_of_iterations_exit.
6467 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6468 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6469 * tree-ssa-loop-niter.c (find_loop_niter,
6470 estimate_numbers_of_iterations_loop): Likewise.
6471 (number_of_iterations_exit): Honor the new options.
6472 * doc/invoke.texi (Wunsafe-loop-optimizations,
6473 funsafe-loop-optimizations): Document them.
6475 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6477 PR rtl-optimization/22167
6478 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6480 2005-07-20 Adam Nemet <anemet@lnxw.com>
6482 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6483 __do_global_dtors_aux longcall.
6485 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6487 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6488 (old_special_pred_table): Don't reference
6489 SPECIAL_MODE_PREDICATES.
6490 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6491 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6492 * config/sh/predicates.h: Don't mention
6493 SPECIAL_MODE_PREDICATES.
6494 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6497 2005-07-20 DJ Delorie <dj@redhat.com>
6499 * config.gcc: Add m32c-elf support.
6501 * doc/contrib.texi: Mention m32c.
6502 * doc/extend.texi: Document m32c extensions.
6503 * doc/install.texi: Mention m32c.
6504 * doc/invoke.texi: Document m32c options.
6505 * doc/md.texi: Document m32c constraints.
6507 * config/m32c/addsub.md: New file.
6508 * config/m32c/bitops.md: New file.
6509 * config/m32c/cond.md: New file.
6510 * config/m32c/jump.md: New file.
6511 * config/m32c/m32c-lib1.S: New file.
6512 * config/m32c/m32c-lib2.c: New file.
6513 * config/m32c/m32c-modes.def: New file.
6514 * config/m32c/m32c-pragma.c: New file.
6515 * config/m32c/m32c-protos.h: New file.
6516 * config/m32c/m32c.abi: New file.
6517 * config/m32c/m32c.c: New file.
6518 * config/m32c/m32c.h: New file.
6519 * config/m32c/m32c.md: New file.
6520 * config/m32c/m32c.opt: New file.
6521 * config/m32c/minmax.md: New file.
6522 * config/m32c/mov.md: New file.
6523 * config/m32c/muldiv.md: New file.
6524 * config/m32c/predicates.md: New file.
6525 * config/m32c/prologue.md: New file.
6526 * config/m32c/shift.md: New file.
6527 * config/m32c/t-m32c: New file.
6529 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6531 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6532 (stack_protect_set, stack_protect_test): New expanders.
6533 (stack_protect_set_si, stack_protect_set_si_media,
6534 stack_protect_set_di_media, stack_protect_test_si,
6535 stack_protect_test_si_media, stack_protect_test_di_media):
6538 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6540 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6542 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6544 * tree.h (tree_expr_nonzero_p): Export.
6545 * fold-const.c (tree_expr_nonzero_p): Likewise.
6546 Return true for CALL_EXPRs that are alloca calls.
6547 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6549 * tree-flow.h (expr_computes_nonzero): Remove.
6550 * tree-vrp.c (expr_computes_nonzero): Remove.
6551 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6552 (extract_range_from_unary_expr): Likewise.
6553 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6554 tree_expr_nonzero_p.
6556 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6558 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6559 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6560 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6561 All callers changed.
6562 (frame_related_constant_load): New arg "related" which controls
6563 setting of RTX_FRAME_RELATED_P. All callers changed.
6564 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6565 (bfin_expand_prologue): Add stack limit checking.
6566 * config/bfin/bfin.md (trapifcc): New pattern.
6568 * config/bfin/bfin.c: Include "langhooks.h".
6569 (def_builtin): Go through lang_hooks to call builtin_function.
6571 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6572 * config/bfin/predicates.md (symbol_ref_operand): New.
6573 (call_insn_operand): Delete. All callers changed to use
6574 register_no_elim_operand.
6575 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6577 (function_arg): Use it to generate the call's operand 2.
6578 (bfin_longcall_p): New function.
6579 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6580 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6581 determine if the address needs to be in a REG.
6582 (bfin_handle_longcall_attribute): New function.
6583 (bfin_attribute_table): Add "longcall" and "shortcall".
6584 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6585 (CUMULATIVE_ARGS): New member call_cookie.
6586 (PREDICATE_CODES): Add symbol_ref_operand.
6587 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6588 extra USE to the pattern.
6589 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6590 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6591 sibcall_value_insn; now the new patterns handle direct calls and the
6592 old ones indirect calls.
6593 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6595 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6597 * doc/trouble.texi: Update section on handling of empty loops.
6599 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6601 * config.gcc: Remove support for sparc-*-openbsd*,
6602 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6604 * config.host: Remove support for i860-*-sysv4* as a host.
6605 * config/i860/*, config/ip2k/*, config/ns32k/*,
6606 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6607 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6608 mention obsolete ports.
6610 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6612 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6614 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6615 of frame_pointer_rtx.
6616 (sh_expand_epilogue): Likewise.
6617 (sh_set_return_address): Likewise.
6618 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6619 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6620 offsets from FRAME_POINTER_REGNUM.
6621 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6622 (sh_register_names): Add initializer for sfp.
6623 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6624 (VALID_REGISTER_P): Likewise.
6625 (FIRST_PSEUDO_REGISTER): Update.
6626 (DWARF_FRAME_REGISTERS): Define.
6627 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6628 (HARD_FRAME_POINTER_REGNUM): Define.
6629 (FRAME_POINTER_REGNUM): Redefine.
6630 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6631 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6632 from FRAME_POINTER_REGNUM.
6633 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6634 FRAME_POINTER_REGNUM.
6635 (REG_CLASS_CONTENTS): Add sfp.
6636 (REG_ALLOC_ORDER): Likewise.
6637 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6638 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6639 of frame_pointer_rtx.
6640 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6642 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6644 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6645 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6646 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6648 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6651 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6653 Make CONSTRUCTOR use VEC to store initializers.
6654 * c-common.c (complete_array_type): Update to cope with VEC in
6656 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6657 (pp_c_constructor_elts): New function.
6658 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6659 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6660 struct constructor_stack, struct initializer_stack,
6661 constructor_elements, push_init_level, pop_init_level,
6662 add_pending_init, find_init_member, output_init_element): Update to
6663 cope with VEC in CONSTRUCTOR_ELTS.
6664 * coverage.c (build_fn_info_value, build_ctr_info_value,
6665 build_gcov_info): Likewise.
6666 * expr.c (categorize_ctor_elements_1, store_constructor,
6667 expand_expr_real_1): Likewise.
6668 * fold-const.c (fold_ternary): Likewise.
6669 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6670 gimplify_init_constructor, gimplify_expr): Likewise.
6671 * tree-dump.c (dequeue_and_dump): Likewise.
6672 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6674 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6676 * tree-sra.c (generate_element_init_1): Likewise.
6677 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6678 * tree-ssa-operands.c (get_expr_operands): Likewise.
6679 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6680 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6681 (get_initial_def_for_reduction): Likewise.
6682 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6683 value handle in annotations.
6684 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6685 tree_node_structure): Add support for constr_kind.
6686 (build_vector_from_ctor, build_constructor_single,
6687 build_constructor_from_list): New functions.
6688 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6689 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6690 Update to cope with VEC in CONSTRUCTOR_ELTS.
6691 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6692 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6693 CONSTRUCTOR_APPEND_ELT): New macros.
6694 (struct constructor_elt, struct tree_constructor): New data types.
6695 (union tree_node): Add tree_constructor field.
6696 * treestruct.def: Define TS_CONSTRUCTOR.
6697 * varasm.c (const_hash_1, compare_constant, copy_constant,
6698 compute_reloc_for_constant, output_addressed_constants,
6699 initializer_constant_valid_p, output_constant,
6700 array_size_for_constructor, output_constructor): Update to cope with
6701 VEC in CONSTRUCTOR_ELTS.
6702 * vec.h (VEC_empty, VEC_copy): New macros.
6704 2005-07-19 Devang Patel <dpatel@apple.com>
6706 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6708 2005-07-19 Richard Henderson <rth@redhat.com>
6711 * gimplify.c (gimplify_expr): Use main variant type for the temp
6712 destination for a discarded volatile read.
6713 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6714 casts between non-void types that change volatility.
6716 2005-07-15 DJ Delorie <dj@redhat.com>
6718 * toplev.h: Add comment about the first parameter for warning().
6719 * errors.h: Likewise.
6721 * c.opt (Wpragmas): New.
6722 * doc/invoke.texi: Document it.
6724 * function.c (do_warn_unused_parameter): Add warning control to
6726 * c-decl.c (warn_if_shadowing): Likewise.
6727 * c-lex.c (cb_def_pragma): Likewise.
6728 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6729 (pop_alignment): Likewise.
6730 (handle_pragma_pack): Likewise.
6731 (apply_pragma_weak): Likewise.
6732 (handle_pragma_weak): Likewise.
6733 (handle_pragma_redefine_extname): Likewise.
6734 (add_to_renaming_pragma_list): Likewise.
6735 (handle_pragma_extern_prefix): Likewise.
6736 (maybe_apply_renaming_pragma): Likewise.
6737 (handle_pragma_visibility): Likewise.
6739 * config/c4x/c4x-c.c (BAD): Likewise.
6740 (c4x_parse_pragma): Likewise.
6741 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6742 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6743 (rs6000_pragma_longcall): Likewise.
6744 * config/v850/v850-c.c (pop_data_area): Likewise.
6745 (ghs_pragma_section): Likewise.
6746 (ghs_pragma_section): Likewise.
6747 (ghs_pragma_interrupt): Likewise.
6748 (ghs_pragma_starttda): Likewise.
6749 (ghs_pragma_startsda): Likewise.
6750 (ghs_pragma_startzda): Likewise.
6751 (ghs_pragma_endtda): Likewise.
6752 (ghs_pragma_endsda): Likewise.
6753 (ghs_pragma_endzda): Likewise.
6755 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6756 Kenneth Zadeck <zadeck@naturalbridge.com>
6758 * Makefile.in: Removed tree-promote-statics.c
6759 * tree-promote-statics.c: Removed.
6760 * common.opt: Removed flag-promote-statics.
6762 * passes.c: Removed tree-promote-statics pass.
6763 * tree-pass.h: Ditto.
6764 * timevar.def: Removed TV_PROMOTE_STATICS.
6767 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6769 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6771 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6773 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6776 * c-common.c (check_function_arguments): Call
6777 'check_function_format' if either -Wformat or
6778 -Wmissing-format-attribute are specified.
6779 * c-format.c (check_function_format): Check -Wformat before
6780 calling 'check_format_info'.
6781 * c-opts.c (c_common_post_options): Don't warn for
6782 -Wmissing-format-attribute without -Wformat.
6783 * c-typeck.c (convert_for_assignment): Detect additional cases for
6784 -Wmissing-format-attribute.
6785 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6788 2005-07-19 Richard Guenther <rguenther@suse.de>
6790 * config/i386/i386.md (lrint<mode>2): Use temporary
6791 instead of clobbering non-existent memory.
6793 2005-07-19 Nick Clifton <nickc@redhat.com>
6795 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6796 statement to avoid displaying ASCII control characters.
6798 2005-07-19 Ben Elliston <bje@au.ibm.com>
6800 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6801 * cfganal.c (find_edge_index): Ditto.
6802 * combine.c (combine_instructions): Ditto.
6803 * ddg.c (create_scc): Ditto.
6804 (find_successors): Ditto.
6805 (find_predecessors): Ditto.
6806 (find_nodes_on_paths): Ditto.
6807 (longest_simple_path): Ditto.
6808 * flow.c (update_life_info): Ditto.
6809 (count_or_remove_death_notes): Ditto.
6810 (clear_log_links): Ditto.
6811 * modulo-sched.c (generate_reg_moves): Ditto.
6812 (find_max_asap): Ditto.
6813 (find_max_hv_min_mob): Ditto.
6814 (find_max_dv_min_mob): Ditto.
6815 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6816 * sched-rgn.c (extract_edgelst): Ditto.
6817 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6818 (dump_update_ssa): Ditto.
6819 (ssa_names_to_replace) Ditto.
6820 (switch_virtuals_to_full_rewrite): Ditto.
6821 (update_ssa): Ditto.
6822 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6824 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6826 Fix PR tree-optimization/22483
6828 * tree-complex.c (create_components): Use
6829 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6830 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6831 * tree-flow.h (safe_referenced_var_iterator): New structure.
6832 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6833 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6834 safe_referenced_var iterator.
6835 (add_type_alias): Ditto.
6837 2005-07-19 Steven Bosscher <stevenb@suse.de>
6839 * loop-init.c (rest_of_handle_loop2): Remove.
6840 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6841 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6842 (pass_rtl_loop_init, pass_rtl_loop_done,
6843 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6844 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6845 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6846 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6847 pass_tree_loop_done, and pass_tree_unswitch.
6848 (gate_loop): Rename to gate_tree_loop.
6849 * passes.c (init_optimization_passes): Update for renamed tree
6850 loop passes. Add the new loop2 passes as subpasses of loop2.
6851 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6852 Update for the renamed tree loop passes.
6854 2005-07-18 Ian Lance Taylor <ian@airs.com>
6857 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6858 blocks when optimizing.
6860 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6862 * common.opt (frename-registers): Initialize to 2.
6864 (fgcse-after-reload): Ditto.
6865 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6866 (process_options): Only change flag_web, flag_rename_registers,
6867 and flag_rerun_cse_after_loop if not explicitly set by user.
6869 2005-07-18 Jan Beulich <jbeulich@novell.com>
6871 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6872 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6873 in 64-bit mode the same as DImode in 32-bit mode.
6874 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6875 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6876 mode. Add new mode parameter.
6877 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6878 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6879 x86_64_shift_adj): New expanders.
6880 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6881 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6883 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6884 DImode shift splitters.
6885 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6886 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6889 2005-07-18 Jan Beulich <jbeulich@novell.com>
6891 * i386.md (movdi_extzv_1): New.
6892 (zero_extendhidi2): Combine alternatives and never force use of
6894 (zero_extendqidi2): Likewise. Don't restrict input selection.
6896 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6898 Fix PR tree-optimization/22531
6899 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6902 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6904 * tree-promote-statics.c (pass_promote_statics): Change dump file
6907 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6909 * tree-optimize.c (init_tree_optimization_passes): Add
6910 pass_eliminate_useless_stores pass.
6911 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6912 * tree-ssa-pre.c (is_copy_stmt): New function.
6913 (follow_copies_till_vuse): Ditto.
6914 (do_eustores): Ditto.
6915 (gate_eustores): Ditto.
6917 2005-07-16 Richard Henderson <rth@redhat.com>
6919 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6921 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6922 Kenneth Zadeck <zadeck@naturalbridge.com>
6924 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6925 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6926 ipa-type-escape.h, tree-promote-statics.c
6927 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6928 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6929 tree-promote-statics.c: new files.
6930 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6931 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6932 int nonlocal_set_p, mark_constant_function): Deleted.
6933 (rest_of_handle_cfg): Removed call to mark_constant_function.
6934 (nonoverlapping_component_refs_p): Added calls to support
6935 type based aliasing.
6936 * tree-ssa-alias.c (may_alias_p,
6937 compute_flow_insensitive_aliasing): Ditto.
6938 * calls.c (flags_from_decl_or_type): Removed reference to
6940 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6941 too many arguments. This is necessary for Spec 2000.
6942 * cgraph.h (const_function, pure_function): Removed.
6943 * common.opt: Added "fipa-pure-const", "fipa-reference",
6944 "fipa-type-escape", and "ftree-promote-static".
6946 * passes.c: Added ipa and tree-promote-statics passes.
6947 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6948 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6949 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6950 * tree-flow.h: Added exposed sra calls and addition of
6951 reference_vars_info field for FUNCTION_DECLS.
6952 * tree-pass.h: Added passes.
6953 * tree-sra.c: (sra_init_cache): New function.
6954 (sra_insert_before, sra_insert_after) Made public.
6955 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6957 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6958 aliasing. (may_alias_p): Added code to use type escape analysis to
6960 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6961 code to prune clobbers of static variables based on information
6962 produced in ipa-reference pass. Changed call clobbering so that
6963 statics are not marked as clobbered if the call does not clobber
6966 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6968 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6971 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6973 * doc/install.texi (*-*-solaris2*): Document recommended version
6974 of GNU binutils and mention GNU linker problem on Solaris 10.
6976 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
6979 * c-decl.c (c_build_bitfield_integer_type): New function.
6980 (finish_struct): Call it.
6981 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6983 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6985 * c-typeck.c (digest_init): Call 'convert_for_assignment'
6988 2005-07-16 Jan Hubicka <jh@suse.cz>
6990 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6991 (scale_bbs_frequencies_int): Watch roundoff errors.
6992 * predict.c (return_prediction): Initialize return_stmt.
6994 2005-07-16 Jan Hubicka <jh@suse.cz>
6996 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6997 after RTL profiling.
6999 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7002 * fold-const.c (build_range_check): Convert high/low to etype
7003 if we are only comparing against exp.
7005 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7007 Fix PR tree-optimization/22376
7008 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7010 (need_to_solve): New function.
7011 (compute_points_to_sets): Use it.
7013 2005-07-15 Jan Hubicka <jh@suse.cz>
7015 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7016 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7018 2005-07-15 Richard Guenther <rguenther@suse.de>
7020 * c-common.c (handle_flatten_attribute): New function.
7021 Add flatten function attribute.
7022 * doc/extend.texi: Document flatten function attribute.
7023 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7024 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7026 (cgraph_decide_inlining): Handle functions with flatten
7029 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7031 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7032 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7033 UNSPEC_XCHG, UNSPEC_AND): New.
7034 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7035 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7036 * config/rs6000/sync.md (FETCHOP): New code macro.
7037 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7039 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7040 (sync_compare_and_swap<mode>): Same.
7041 (sync_lock_test_and_set<mode>): Same.
7042 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7043 for QImode and HImode, and not PPC405.
7044 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7045 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7046 (sync_<fetchop>{si,di}_internal): New.
7047 (sync_nand{si,di}_internal): New.
7048 (sync_old_<fetchop>{si,di}_internal): New.
7049 (sync_old_nand{si,di}_internal): New
7050 (sync_new_<fetchop>{si,di}_internal): New.
7051 (sync_new_nand{si,di}_internal): New.
7052 (atomic_and{si,di}): New.
7053 (sync_new_nand{si,di}_internal): New.
7054 (atomic_and{si,di}): New.
7055 (sync_add<mode>_internal): Delete.
7056 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7057 (sync_sub<mode>_internal): Delte.
7058 (sync_subshort_internal): New.
7059 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7060 (sync_anddi_internal): Delete.
7061 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7062 (sync_booldi_internal): Delete.
7063 (sync_boolc<mode>_internal): Delete.
7064 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7065 (sync_boolc<mode>_internal2): Delete.
7066 (sync_boolcc<mode>_internal): Delete.
7067 (isync, lwsync): Use unspec instead of unspec_volatile.
7068 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7069 Revert UNSPEC_VOLATILE.
7070 (rs6000_split_atomic_op): New.
7071 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7073 2005-07-14 Eric Christopher <echristo@redhat.com>
7075 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7076 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7078 2005-07-14 Eric Christopher <echristo@redhat.com>
7080 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7082 2005-07-14 Steven Bosscher <stevenb@suse.de>
7084 PR tree-optimization/22230
7085 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7086 the computation of the four cross productions for "range op range".
7088 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7089 Ulrich Weigand <uweigand@de.ibm.com>
7092 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7095 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7097 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7099 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7101 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7103 2005-07-14 Richard Guenther <rguenther@suse.de>
7106 * config/i386/i386-protos.h (ix86_function_value): Change
7107 prototype to match new target hook.
7108 * config/i386/i386.c (ix86_value_regno): Change prototype
7109 to take extra type argument.
7110 (TARGET_FUNCTION_VALUE): Define.
7111 (ix86_function_ok_for_sibcall): Pass extra argument to
7112 ix86_value_regno, check return slot rtx for exact match.
7113 (ix86_function_value): Take extra parameter. Dispatch to
7114 ix86_value_regno with fndecl/fntype as provided.
7115 (ix86_value_regno): Handle extra type argument.
7116 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7118 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7119 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7120 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7121 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7122 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7124 2005-07-14 Richard Guenther <rguenther@suse.de>
7126 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7127 * calls.c (expand_call): Pass fntype to hard_function_value.
7128 (emit_library_call_value_1): Likewise.
7129 * explow.c: Include target.h.
7130 (hard_function_value): Take extra argument, the fntype.
7131 Use new target hook for function_value.
7132 * expr.h (hard_function_value): Change prototype.
7133 * function.c (aggregate_value_p): Pass 0 as fntype to
7134 hard_function_value.
7135 (assign_parms): Use new target hook for function_value.
7136 Pass 0 as fntype to hard_function_value.
7137 (expand_function_end): Likewise.
7138 * reg-stack.c: Include target.h.
7139 (stack_result): Use new target hook for function_value.
7140 * target-def.h: New target hook function_value.
7141 * target.h: Likewise.
7142 * targhooks.c (default_function_value): New function.
7143 * targhooks.h (default_function_value): Declare.
7145 2005-07-13 Ian Lance Taylor <ian@airs.com>
7147 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7149 2005-07-14 Jan Hubicka <jh@suse.cz>
7151 * tree-dfa.c (dump_variable): Use default_def function.
7152 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7153 * tree-ssa.c (verify_use): Likewise.
7154 * tree-ssanames.c (release_ssa_name): Likewise.
7155 * tree-tailcall.c (eliminate_tail_call): Likewise.
7156 (tree_optimize_tail_calls_1): Likewise.
7157 * tree-vrp.c (get_value_range): Likewise.
7159 2005-07-14 Ben Elliston <bje@au.ibm.com>
7161 * gcc.c (main): Compare language[0] with '*' when iterating over
7164 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7166 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7167 "s390_emit_compare". Add handling of CCZ1mode.
7168 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7169 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7171 (s390_branch_condition_mask): Add CCZ1mode handling.
7172 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7173 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7174 Use CCZ1mode instead of CCZmode.
7175 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7177 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7179 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7181 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7183 2005-07-13 Eric Christopher <echristo@redhat.com>
7185 * config/mips/mips.c (mips_canonicalize_comparison): New.
7186 (mips_emit_int_relational): Use.
7188 2005-07-13 Eric Christopher <echristo@redhat.com>
7190 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7192 * config/s390/s390.md: Include tpf.md. Move tpf specific
7194 * config/s390/tpf.md: To here.
7195 * config/s390/s390.opt: Move tpf specific options...
7196 * config/s390/tpf.opt: to here. Add mmain option.
7197 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7198 * config/s390/tpf.h: Rewrite.
7200 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7202 * doc/tm.texi: Remove @xref{Cross-profiling}.
7204 2005-07-13 Jeff Law <law@redhat.com>
7206 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7207 expressions, test their _DECL operands for pointer equality rather
7208 than using operand_equal_p.
7210 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7212 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7213 (TARGET_POSIX_IO): This.
7214 * config/darwin.h: Likewise.
7215 * config/freebsd.h: Likewise.
7216 * config/linux.h: Likewise.
7217 * config/lynx.h: Likewise.
7218 * config/netbsd.h: Likewise.
7219 * config/rs6000/linux64.h: Likewise.
7220 * config/rs6000/linux.h: Likewise.
7221 * config/s390/tpf.h: Likewise.
7222 * config/sh/embed-elf.h: Likewise.
7223 * config/sparc/linux64.h: Likewise.
7224 * config/sparc/linux.h: Likewise.
7225 * config/svr4.h: Likewise.
7226 * gcov-io.h: Likewise.
7228 * doc/tm.texi: Updated.
7230 * libgcov.c (create_file_directory): Defined only if
7231 TARGET_POSIX_IO is defined.
7232 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7235 2005-07-13 Jan Hubicka <jh@suse.cz>
7237 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7239 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7241 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7242 structure as argument.
7244 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7246 PR tree-optimization/21921
7247 * tree-iterator.c (tsi_link_before): Support the case when
7248 tsi_end_p (tsi) == true.
7250 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7252 PR tree-optimization/22442
7253 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7256 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7258 PR rtl-optimization/20376
7259 * toplev.c (process_options): Enable -fweb and -frename-registers when
7261 * doc/invoke.texi: Update the information about when -fweb and
7262 -frename-registers are enabled.
7264 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7267 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7268 if *rhs_p is not a SSA_NAME.
7270 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7272 Fix PR tree-optimization/22422
7273 * tree-ssa-structalias.c (struct variable_info): Add flag for
7275 (get_varinfo): Now a static function.
7276 (new_varinfo): init has_union and is_special_var to false.
7277 (solution_set_add): Check has_union.
7278 (do_da_constraint): Move temporary variable so it gets reset
7280 Also check for special variable.
7281 (do_ds_constraint): Ditto.
7282 (do_sd_constraint): Ditto.
7283 (do_structure_copy): Check for special variable.
7284 (find_func_aliases): Ditto.
7285 (init_base_vars): Set special vars properly.
7287 2005-07-13 Jan Hubicka <jh@suse.cz>
7289 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7292 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7293 (get_expr_operands): Fix thinko wrt flags and subvars.
7295 PR tree-optimize/22379
7296 * tree-inline.c (expand_call_inline): Do not output sorry in early
7299 2005-07-12 Dale Johannesen <dalej@apple.com>
7301 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7303 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7306 * host-linux.h: Include limits.h.
7308 2005-07-12 Dale Johannesen <dalej@apple.com>
7310 * expr.c (compress_float_constant): Add cost check.
7311 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7313 2005-07-12 Dale Johannesen <dalej@apple.com>
7315 * gcc.target/i386/compress-float-sse.c: New.
7316 * gcc.target/i386/compress-float-sse-pic.c: New.
7317 * gcc.target/i386/compress-float-387.c: New.
7318 * gcc.target/i386/compress-float-387-pic.c: New.
7319 * gcc.dg/compress-float-ppc.c: New.
7320 * gcc.dg/compress-float-ppc-pic.c: New.
7322 2005-07-12 Eric Christopher <echristo@redhat.com>
7324 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7326 * config/s390/s390.md: Include tpf.md. Move tpf specific
7328 * config/s390/tpf.md: To here.
7329 * config/s390/s390.opt: Move tpf specific options...
7330 * config/s390/tpf.opt: to here. Add mmain option.
7331 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7332 * config/s390/tpf.h: Rewrite.
7334 2005-07-12 Eric Christopher <echristo@redhat.com>
7336 * gcc.c (struct infile): Update comment for language.
7337 (main): Rewrite input file resetting code.
7339 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7342 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7343 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7344 (lookup_avail_expr): Use constant_boolean_node instead
7345 of boolean_false_node/boolean_true_node.
7347 2005-07-12 Ben Elliston <bje@au.ibm.com>
7349 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7350 and use it when printing num_edges.
7352 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7354 * doc/extend.texi (Blackfin Built-in Functions): New section.
7355 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7358 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7360 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7361 s/cmpstrsi/cmpstrnsi
7362 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7364 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7365 (init_optabs): Initialize cmpstrn_optab.
7366 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7367 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7368 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7369 * config/i386/i386.md: s/cmpstr/cmpstrn
7370 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7371 * doc/md.texi: Update documentation.
7373 2005-07-11 Richard Henderson <rth@redhat.com>
7375 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7376 build_va_arg_indirect_ref.
7377 (alpha_gimplify_va_arg): Likewise.
7378 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7379 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7380 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7381 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7382 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7383 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7385 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7387 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7389 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7390 * passes.c (init_optimization_passes): Add pass_empty_loop.
7391 * tree-pass.h (pass_empty_loop): Declare.
7392 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7393 try_remove_empty_loop, remove_empty_loops): New functions.
7394 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7395 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7397 2005-07-12 Peter Barada <peter@the-baradas.com>
7401 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7402 in address registers.
7403 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7404 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7405 alternative of addsi3_5200.
7407 2005-07-11 Ian Lance Taylor <ian@airs.com>
7409 * config/mips/mips.md (ffs<mode>2): Remove.
7411 2005-07-11 Ian Lance Taylor <ian@airs.com>
7413 * doc/tree-ssa.texi (Cleanups): Improve description of
7415 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7417 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7419 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7420 * tree.h (DECL_ARGUMENT_FLD): New macro.
7422 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7424 Fix PR tree-optimization/22404
7426 * tree-ssa-structalias.c (create_variable_info_for): Use
7429 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7431 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7432 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7433 for second comparison operand.
7434 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7436 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7437 (define_insn_reservation "alu"): Likewise.
7438 (csync, ssync): Now of type sync.
7439 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7440 -mcsync-anomaly -mspecld-anomaly.
7441 * config/bfin/bfin.opt (mcsync): Remove.
7442 (mcsync-anomaly, mspecld-anomaly): Add.
7443 * config/bfin/bfin.c: Include "insn-codes.h".
7444 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7445 (TARGET_DEFAULT_TARGET_FLAGS): New.
7446 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7448 2005-07-11 Steven Bosscher <stevenb@suse.de>
7450 * basic-block.h: Give the BB flags enum a name, bb_flags.
7451 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7452 * cfgcleanup.c (enum bb_flags): Remove here.
7453 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7454 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7455 (update_forwarder_flag): Likewise.
7456 (thread_jump): Likewise.
7457 (try_forward_edges): Likewise.
7458 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7459 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7460 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7462 2005-07-11 Richard Guenther <rguenther@suse.de>
7464 * config/i386/i386.opt: New target option -msseregparm.
7465 * config/i386/i386.c (override_options): Error out for
7466 -msseregparm but no SSE support.
7467 (ix86_function_sseregparm): Check for global sseregparm.
7468 * doc/invoke.texi: Document -msseregparm.
7470 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7472 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7473 (m32rle-*-linux*): Ditto.
7475 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7477 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7478 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7481 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7485 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7486 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7488 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7490 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7491 (varmap): Heapify varmap.
7492 (constraints): Heapify constraints.
7493 (struct constraint_graph): Heapify succs and preds.
7494 (constraint_vec_find): Update for heapification.
7495 (constraint_set_union): Ditto.
7496 (insert_into_complex): Ditto.
7497 (constraint_edge_vec_find): Ditto.
7498 (erase_graph_self_edge): Ditto.
7499 (add_graph_edge): Ditto.
7500 (get_graph_weights): Ditto.
7501 (merge_graph_nodes): Ditto.
7502 (build_constraint_graph): Ditto.
7503 (topo_visit): Ditto.
7504 (solve_graph): Ditto.
7505 (create_variable_info_for): Ditto.
7506 (init_base_vars): Ditto.
7507 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7508 (condese_varmap_nodes): Free complex vector.
7509 (clear_edges_for_node): Clear succs and preds vector.
7511 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7513 * tree-ssa-structalias.c (update_alias_info): Change counting of
7514 references to not include vdefs.
7516 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7518 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7521 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7523 * pa.c (pa_commutative_p): Make PLUS commutative when
7524 TARGET_NO_SPACE_REGS is true.
7526 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7528 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7529 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7530 * tree-dfa.c (dump_subvars_for): New.
7531 (debug_subvars_for): New.
7532 (dump_variable): Show subvariables if VAR has them.
7533 * tree-flow-inline.h (get_subvar_at): New.
7534 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7535 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7537 (struct subvar): Change fields offset and size to unsigned
7539 (dump_subvars_for): Declare.
7540 (debug_subvars_for): Declare.
7541 (get_subvar_at): Declare.
7542 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7543 to unsigned HOST_WIDE_INT *.
7544 (overlap_subvar): Likewise.
7545 * tree-gimple.c (is_gimple_reg): Always return false for
7546 SFTs and memory tags.
7547 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7549 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7550 (compute_may_aliases): Call compute_points_to_sets.
7551 (collect_points_to_info_for): Remove.
7552 (compute_points_to_and_addr_escape): Remove.
7553 (delete_alias_info): Call delete_points_to_sets.
7554 (compute_flow_sensitive_aliasing): If the call to
7555 find_what_p_points_to returns false, call set_pt_anything.
7556 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7557 (set_pt_anything): Clear pi->pt_vars.
7558 (set_pt_malloc): Remove.
7559 (merge_pointed_to_info): Remove.
7560 (add_pointed_to_expr): Remove.
7561 (add_pointed_to_var): Remove.
7562 (collect_points_to_info_r): Remove.
7563 (is_escape_site): Make extern.
7565 (create_overlap_variables_for): Call it.
7566 * tree-ssa-copy.c (merge_alias_info): Never merge
7567 flow-sensitive alias information.
7568 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7569 offset and size to be unsigned HOST_WIDE_INT.
7570 (add_to_addressable_set): Rename from note_addressable.
7571 Set TREE_ADDRESSABLE as the variables are added to the set.
7573 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7574 operands into VUSEs when adding V_MAY_DEFs for members in an
7576 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7577 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7578 (struct variable_info): Add bitfield is_heap_var.
7579 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7580 (new_var_info): Initialize is_heap_var.
7581 (get_constraint_for): Add HEAP variables to the symbol table.
7582 Mark them with is_heap_var.
7583 (update_alias_info): New. Taken mostly from the old
7584 compute_points_to_and_addr_escape.
7585 (handle_ptr_arith): New.
7586 (find_func_aliases): Call update_alias_info.
7587 Call handle_ptr_info for tcc_binary expressions.
7588 Call mark_stmt_modified.
7589 (create_variable_info_for): If DECL has subvars, do not create
7590 variables for its subvars. Always add all the fields.
7591 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7592 SFTs, then add all the SFTs of the structure.
7593 If VI->DECL is an aggregate with subvariables, add the SFT at
7595 (find_what_p_points_to): If VI is an artificial variable,
7596 translate to bitfields in SSA_NAME_PTR_INFO.
7597 If the solution is empty, set pi->pt_vars to NULL
7598 (init_base_vars): Create ANYOFFSET.
7599 (compute_points_to_sets): Rename from create_alias_vars.
7601 (pass_build_pta): Remove.
7602 (delete_points_to_sets): Rename from delete_alias_vars.
7603 (pass_del_pta): Remove.
7604 * tree-ssa-structalias.h (struct alias_info): Move from
7606 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7607 NUM_REFERENCES_SET): Likewise.
7608 (compute_points_to_sets, delete_points_to_sets): Declare.
7610 2005-07-09 Richard Henderson <rth@redhat.com>
7612 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7613 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7614 alpha_split_lock_test_and_set_12): New functions.
7615 * config/alpha/alpha-protos.h: Update.
7616 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7617 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7618 * config/alpha/sync.md (I12MODE): New.
7619 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7620 (sync_<fetchop_name><I48MODE>): Likewise.
7621 (sync_nand<I48MODE>): Likewise.
7622 (sync_old_<fetchop_name><I48MODE>): Likewise.
7623 (sync_new_<fetchop_name><I48MODE>): Likewise.
7624 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7625 (sync_compare_and_swap<I48MODE>): Likewise.
7626 (sync_lock_test_and_set<I48MODE>): Likewise.
7627 (sync_compare_and_swap<I12MODE>): New.
7628 (sync_compare_and_swap<I12MODE>_1): New.
7629 (sync_lock_test_and_set<I12MODE>): New.
7630 (sync_lock_test_and_set<I12MODE>_1): New.
7632 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7636 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7638 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7640 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7641 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7643 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7646 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7648 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7650 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7651 memory_operand constraint.
7652 (store_conditional_<mode>): Same.
7653 (sync_compare_and_swap<mode>): Same.
7654 (sync_lock_test_and_set<mode>): Same.
7656 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7658 Rewrite PIC support to more closely model actual instructions.
7659 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7660 (cris_symbol): Remove prototypes for removed functions.
7661 (cris_pic_symbol_type_of, cris_valid_pic_const)
7662 (cris_expand_pic_call_address): Prototypes for new functions.
7663 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7665 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7667 <case ':'>: Add case for new punctuation character.
7668 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7669 emitting (extra) PIC modifier.
7670 <case UNSPEC>: Do not assert for PLT.
7671 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7672 (cris_expand_prologue, cris_expand_epilogue): Check
7673 for pic_offset_table_rtx usage instead of taking
7674 current_function_uses_pic_offset_table as the final word.
7675 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7676 Remove flag_pic difference.
7677 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7678 the moral equivalents of...
7679 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7681 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7682 (cris_handle_option): Mark ARG as unused.
7683 (cris_expand_pic_call_address): New worker function for "call",
7685 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7686 output PIC constructs here.
7687 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7688 as symbol-specific modifers, not whole or part of operands.
7689 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7690 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7691 constants and flag_pic.
7692 (CONSTANT_INDEX_P): Adjust for new functions.
7693 (enum cris_pic_symbol_type): New helper type.
7694 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7695 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7696 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7698 ("movsi"): Emit actual instructions for GOT and relative access.
7699 ("*movsi_got_load"): New pattern to set up the register holding
7701 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7702 Adjust FIXME for 'S'.
7703 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7704 Use "movs" for -fpic cases.
7705 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7706 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7707 ("call", "call_value"): Just call cris_expand_pic_call_address for
7709 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7710 Remove special pattern.
7711 ("*expanded_call_side", "*expanded_call_value_side"): New
7713 (gotplt-to-plt, gotplt-to-plt-side-call)
7714 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7716 * config/cris/cris/predicates.md
7717 ("cris_general_operand_or_gotless_symbol"): Remove unused
7719 ("cris_general_operand_or_symbol"): Adjust for new functions.
7721 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7723 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7725 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7727 * Makefile.in (TREE_H): Add treestruct.def.
7728 (c-decl.o): Add pointer-set.h
7729 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7730 visibility on regular DECL's.
7731 (merge_decls): Fix the copying of decl nodes of various types for
7732 the new structures. Don't update RTL, section name, weak status,
7733 etc, on DECL's without RTL.
7734 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7735 Don't check volatile on non-variable types.
7736 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7737 to check whether we have seen arguments.
7738 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7739 flag is checked before field (flag is common, field is not).
7740 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7741 TS_DECL_COMMON could have an origin.
7742 (add_location_or_const_value_attribute): Don't check section name
7743 on non-var/function decls.
7744 (dwarf2out_var_location): Reverse order of tests.
7745 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7746 with DECL_WRTL_CHECK.
7747 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7748 * fold-const.c (fold_binary): Don't check weakness on
7749 non-var/function decls.
7750 (tree_expr_nonzero_p): Ditto.
7751 (fold_checksum_tree): Use tree_decl_extra as sizeof
7753 * ggc-page.c (extra_order_size_table): Add sizes for
7754 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7756 * gimplify.c (gimplify_bind_expr): Only set
7757 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7758 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7760 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7761 * langhooks.h (init_ts). New langhook.
7762 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7763 * print-tree.c (print_node): Update to only print fields that
7764 exist in the structures the passed decl has.
7765 * toplev.c (wrapup_global_declarations): Don't reset
7766 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7767 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7768 * tree-inline.c (remap_decl): Ditto.
7769 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7770 * tree-pretty-print.c (print_declaration): Don't print
7771 DECL_REGISTER on things that don't contain it.
7772 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7773 non-var/function decls.
7774 * tree.c (tree_contains_struct): New structure.
7775 (init_priority_for_decl): New hashtable.
7776 (tree_int_map): New structure.
7777 (tree_int_map_eq): New function.
7778 (tree_int_map_marked_p): Ditto.
7779 (tree_int_map_hash): Ditto.
7780 (tree_map): Move to tree.h.
7781 (tree_map_eq): Externalize.
7782 (tree_map_hash): Ditto.
7783 (tree_map_marked_p): Ditto.
7784 (init_ttree): Set up tree_contains_struct and call langhook.
7785 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7786 (tree_code_size): Update for new structures.
7787 (tree_node_structure): Update for new structures.
7788 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7790 (copy_node_stat): Copy init priority.
7791 (build_decl_stat): Ditto for visibility.
7792 (ts_enum_names): New.
7793 (tree_contains_struct_check_failed): New function.
7794 (decl_init_priority_lookup): Ditto.
7795 (decl_init_priority_insert): Ditto.
7796 * treestruct.def: New file.
7797 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7798 (CONTAINS_STRUCT_CHECK): Ditto.
7799 (tree_contains_struct_check_failed): New prototype.
7800 (DECL_CHECK): Removed.
7801 (DECL_MINIMAL_CHECK): New.
7802 (DECL_COMMON_CHECK): Ditto.
7803 (DECL_WRTL_CHECK): Ditto.
7804 (DECL_NON_COMMON_CHECK): Ditto.
7805 (DECL_WITH_VIS_CHECK): Ditto.
7806 (VAR_OR_FUNCTION_DECL_P): Ditto
7807 (struct tree_decl_minimal): New structure.
7808 (struct tree_decl_common): Ditto.
7809 (struct tree_decl_with_rtl): Ditto.
7810 (struct tree_decl_with_vis): Ditto.
7811 (struct tree_decl_non_common): Ditto.
7812 (struct tree_field_decl): Ditto.
7813 (struct tree_parm_decl): Ditto.
7814 (struct tree_var_decl): Ditto.
7815 (struct tree_function_decl): Ditto.
7816 (struct tree_const_decl): Ditto.
7817 (struct tree_result_decl): Ditto.
7818 (union tree_node): Add new structures.
7819 * var-tracking.c (track_expr_p): Reverse order of tests.
7821 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7823 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7825 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7826 * system.h: Poison FINALIZE_PIC.
7827 * doc/tm.texi (FINALIZE_PIC): Remove.
7829 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7832 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7833 to the correct type if we have a MODIFY_EXPR.
7835 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7837 PR tree-optimization/22360
7838 * tree.c (upper_bound_in_type): Fix calculations for casting
7839 to a non-wider signed type and casting a signed value to a
7840 wider unsigned type.
7841 (lower_bound_in_type): Fix calculations for casting to a
7842 non-wider signed type.
7844 PR tree-optimization/20139
7845 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7847 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7848 fold_cond_expr_cond.
7849 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7850 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7852 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7855 * tree-complex.c (expand_complex_libcall): Produce
7856 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7858 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7860 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7861 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7862 b" assert and inserted fastpath code for this case.
7863 (bitmap_ior): Removed "a != b" assert.
7865 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7867 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7868 (ENDFILE_SPEC): Likewise.
7869 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7871 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7872 a large stack frame at epilogue.
7874 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7876 * final.c: Include sdbout.h when required.
7878 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7880 * config.gcc (*-*-darwin*): Only one target-specific header file
7882 (powerpc-*-darwin*): Add version-specific header files.
7883 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7884 * config.in: Regenerate.
7885 * configure: Regenerate.
7886 * gcc.c: Include xregex.h.
7887 (version_compare_spec_function): New.
7888 (spec_function): Add version-compare.
7889 (replace_outfile_spec_function): Reformat comment.
7890 (compare_version_strings): New.
7891 * config/darwin-c.c (version_as_macro): New.
7892 (builtin_define): New.
7893 (darwin_cpp_builtins): New.
7894 * config/darwin-protos.h (darwin_cpp_builtins): New.
7895 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7896 (LIB_SPEC): Make unconditional, update comment.
7897 (TARGET_C99_FUNCTIONS): Define.
7898 * config/darwin.opt: Sort.
7899 (mmacosx-version-min=): New.
7900 * config/darwin7.h: Delete.
7901 * config/darwin8.h: Delete.
7902 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7903 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7904 (TARGET_C99_FUNCTIONS): Define.
7905 * config/rs6000/darwin7.h: New.
7906 * config/rs6000/darwin8.h: New.
7907 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7908 (-mmacosx-version-min): Document.
7910 2005-07-07 Ian Lance Taylor <ian@airs.com>
7912 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7914 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7917 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7919 2005-07-07 Khem Raj <kraj@mvista.com>
7921 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7922 in bytes, not words.
7924 2005-07-07 Paul Brook <paul@codesourcery.com>
7926 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7927 DEFAULT_FUNCTION_ARG_PADDING to upward.
7929 2005-07-07 Richard Henderson <rth@redhat.com>
7931 * function.c (locate_and_pad_parm): Record parameter alignment in
7932 stack_alignment_needed.
7934 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7936 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7937 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7938 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7939 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7940 (define_attr "type"): Add isync, sync, load_l, store_c.
7941 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7942 Create scratch volatile MEM.
7943 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7945 (load_locked_<mode>): New.
7946 (store_conditional_<mode>): New.
7947 (sync_compare_and_swap<mode>): Replace with splitter.
7948 (sync_lock_test_and_set<mode>): Replace with splitter.
7949 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7951 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7952 is ics. Attribute isync.
7953 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7955 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7956 and UNSPECV_SYNC_OP.
7957 (emit_unlikely_jump): New.
7958 (emit_load_locked): New.
7959 (emit_store_conditional): New.
7960 (rs6000_split_compare_and_swap): New.
7961 (rs6000_split_lock_test_and_set): New.
7962 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7963 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7964 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7965 rs6000_split_lock_test_and_set): Declare.
7966 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7967 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7968 store_c, isync, sync.
7970 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7972 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7973 filenames to gtyp-gen.h.
7974 (s-typ-gen): Use it in place of for loops.
7976 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7978 * hooks.c (hook_bool_rtx_int_false): New function.
7979 * hooks.h (hook_bool_rtx_int_false): Declare.
7980 * target-def.h (TARGET_COMMUTATIVE_P): Define.
7981 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7982 * target.h (struct gcc_target): Add commutative_p member.
7983 * targhooks.c (hook_bool_rtx_commutative_p): New function.
7984 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7985 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7986 (pa_commutative_p): New function.
7987 * jump.c (target.h): Include.
7988 (rtx_renumbered_equal_p): Use targetm.commutative_p.
7989 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7991 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7993 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7994 (s390_expand_setmem): New.
7995 * config/s390/s390.c: Likewise.
7996 (print_shift_count_operand): Truncate to 12 bits instead of 6.
7998 * config/s390/s390.md: ("setmem<mode>"): Accept character as
7999 general_operand. Call new function "s390_expand_setmem".
8000 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8001 ("setmem_long", "*setmem_long"): ... this.
8003 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8005 * config/s390/s390.c: (optimization_options): Enable
8006 TARGET_MVCLE at -Os.
8007 * doc/invoke.texi: Document changes in default behaviour.
8008 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8010 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8012 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8013 defined by back-end.
8015 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8017 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8018 all sets in the pattern.
8019 * config/rs6000/rs6000.md (stack_protect_testsi,
8020 stack_protect_testdi): Likewise.
8022 2005-07-06 Jeff Law <law@redhat.com>
8024 * tree-vrp.c (simplify_using_ranges): Kill.
8025 (vrp_finalize): Remove call to simplify_using_ranges.
8026 (simplify_stmt_using_ranges): New function extracted from
8027 simplify_using_ranges.
8028 (simplify_div_or_mod_using_ranges): Likewise.
8029 (simplify_abs_using_ranges): Likewise.
8030 (simplify_cond_using_ranges): New function.
8031 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8032 * tree-ssa-propagate.c (substitute_and_fold): Call
8033 simplify_stmt_using_ranges if we have range information.
8035 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8037 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8038 ia64_flag_schedule_isns2.
8040 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8041 reading/writing general registers.
8042 (ia64_function_arg): Revert 2005-06-18 change.
8044 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8046 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8047 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8049 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8051 * function.c (expand_function_end): Revert part of 2005-06-27
8052 patch. Do sjlj_emit_function_exit_after after return_label.
8054 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8056 * doc/install.texi (--disable-libssp): New.
8058 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8060 * doc/invoke.texi: Update -fforce-mem documentation.
8061 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8062 code for -fforce-mem.
8063 * expmed.c: (store_bit_field,store_fixed_bit_field,
8064 extract_bit_field): Ditto.
8065 * expr.c: (convert_move): Ditto.
8066 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8067 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8068 emit_conditional_add,expand_float,expand_fix): Ditto.
8069 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8070 (common_handle_option): Issue warning when -fforce-mem specified.
8072 2005-07-06 Paul Brook <paul@codesourcery.com>
8074 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8076 * configure: Regenerate.
8078 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8080 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8082 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8084 Fix PR tree-optimization/22319
8085 Fix PR tree-optimization/22140
8086 Fix PR tree-optimization/22310
8088 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8089 variable sized types.
8090 Use correct type for intermediate structure on *a = *b structure
8093 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8095 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8097 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8098 (machine_function): Move typedef to...
8099 * config/rs6000/rs6000.c (machine_function): ... here. Add
8100 varargs_save_offset field.
8101 (rs6000_stack_t): Remove varargs_size field.
8102 (setup_incoming_varargs): Allocate varargs save area using
8103 assign_stack_local, try to make it as small as possible.
8104 Save offset from virtual_stack_vars_rtx to the save area
8105 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8106 instead of magic 8 when fp word byte size is used.
8107 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8108 instead of -RS6000_VARARGS_SIZE.
8109 (rs6000_stack_info, debug_stack_info,
8110 rs6000_initial_elimination_offset): Remove all traces of
8112 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8113 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8114 RS6000_VARARGS_AREA.
8116 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8118 PR tree-optimization/21963
8119 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8120 constant_multiple_of in the same way get_computation_cost_at does.
8122 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8124 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8125 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8126 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8127 and return its previous value.
8128 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8129 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8131 (stack_protect_set, stack_protect_test): New expanders.
8132 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8133 stack_protect_testdi): New insns.
8134 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8135 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8137 2005-07-06 Jeff Law <law@redhat.com>
8139 * tree-ssa-dce.c (cfg_altered): New global.
8140 (tree_dce_init): Initialize cfg_altered.
8141 (remove_dead_stmt): If we remove an edge in the CFG, then set
8143 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8146 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8148 * Makefile.in (stamp-collect-ld): Use
8149 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8150 ./collect-ld if it already exists.
8151 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8152 Don't remove ./nm if it already exists.
8154 2005-07-05 Devang Patel <dpatel@apple.com>
8156 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8157 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8158 * tree-vectorizer.c (vect_loop_location): New.
8159 (vect_print_dump_info): Use vect_loop_location.
8160 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8161 (vectorize_loops): Set vect_loop_location.
8162 * tree-vect-analyze.c (vect_analyze_offset_expr,
8163 vect_determin_vectorization_factor, vect_analyze_operations,
8164 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8165 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8166 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8167 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8168 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8169 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8170 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8171 vect_analyze_loop): Adjust vect_print_dump_info API.
8172 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8173 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8174 vect_finish_stmt_generation, vectorizable_assignment,
8175 vectorizable_operation, vectorizable_store, vectorizable_load,
8176 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8177 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8178 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8179 vect_transform_loop): Same.
8180 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8181 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8184 2005-07-05 Randolph Chung <tausq@debian.org>
8186 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8187 * configure: Regenerate.
8188 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8189 (pa_tls_referenced_p): Declare.
8190 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8191 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8192 (legitimize_tls_address): New.
8193 (hppa_legitimize_address): Handle TLS addresses.
8194 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8195 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8196 (emit_move_sequence): Handle TLS addresses.
8197 (pa_encode_section_info): Call default handler to handle common
8199 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8200 (CONSTANT_ADDRESS_P): Reject TLS operands.
8201 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8202 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8203 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8204 (UNSPEC_TLSLE): Define new constants.
8205 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8206 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8207 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8208 (tie_symbolic_operand, tle_symbolic_operand): New
8210 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8212 * aclocal.m4: Update macros for autoconf 2.59 style.
8213 * configure.ac: Likewise.
8215 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8217 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8218 (function_arg): Pass small aggregates in general registers on 32-bit
8220 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8222 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8224 * Makefile.in (final.o): Fix dependencies.
8226 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8230 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8231 * langhooks.c (lhd_expr_to_decl): New.
8232 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8234 (LANG_HOOKS_INITIALIZER): Update.
8235 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8236 expr_to_decl langhook.
8237 * c-tree.h (c_expr_to_decl): Declare.
8238 * c-typeck.c (c_expr_to_decl): New.
8239 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8241 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8243 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8246 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8247 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8249 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8251 * Makefile.in: Adjust dependencies.
8252 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8253 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8254 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8255 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8256 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8257 rest_of_compilation.
8259 * bb-reorder.c (gate_duplicate_computed_gotos,
8260 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8261 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8262 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8263 pass_partition_blocks): New.
8264 * bt-load.c (gate_handle_branch_target_load_optimize,
8265 rest_of_handle_branch_target_load_optimize,
8266 pass_branch_target_load_optimize): New.
8267 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8269 * cfglayout.c (pass_insn_locators_initialize): New.
8270 * cfgrtl.c (pass_free_cfg): New.
8271 * combine.c (gate_handle_combine, rest_of_handle_combine,
8273 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8274 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8275 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8276 * except.c (pass_set_nothrow_function_flags,
8277 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8279 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8280 rest_of_handle_shorten_branches, pass_shorten_branches,
8281 rest_of_clean_state, pass_clean_state): New.
8282 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8283 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8284 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8286 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8287 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8288 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8289 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8291 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8292 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8293 pass_rtl_ifcvt, gate_handle_if_after_combine,
8294 rest_of_handle_if_after_combine, pass_if_after_combine,
8295 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8296 pass_if_after_reload): New.
8297 * integrate.c (pass_initial_value_sets): New.
8298 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8299 pass_purge_lineno_notes): New.
8300 * mode-switching.c (rest_of_handle_mode_switching,
8301 pass_mode_switching): New.
8302 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8303 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8305 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8306 pass_loop_optimize): New.
8307 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8309 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8311 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8312 pass_postreload_cse): New.
8313 * profile.c (gate_handle_profiling, pass_profiling,
8314 rest_of_handle_branch_prob, pass_branch_prob): New.
8315 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8316 pass_split_before_regstack, gate_handle_split_before_regstack,
8317 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8318 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8319 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8320 pass_stack_regs): New.
8321 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8322 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8323 pass_stack_adjustments): New.
8324 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8325 pass_regrename): New.
8326 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8327 pass_delay_slots, gate_handle_machine_reorg,
8328 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8329 * rtl.h (extern void purge_line_number_notes): New.
8330 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8331 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8333 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8335 * value-prof.c (gate_handle_value_profile_transformations,
8336 rest_of_handle_value_profile_transformations,
8337 pass_value_profile_transformations): New.
8338 * var-tracking.c (gate_handle_var_tracking,
8339 pass_variable_tracking): New.
8340 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8342 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8343 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8344 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8345 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8346 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8347 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8348 rest_of_handle_gcse2, rest_of_handle_regmove,
8349 rest_of_handle_tracer, rest_of_handle_if_conversion,
8350 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8351 rest_of_handle_web, rest_of_handle_branch_prob,
8352 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8353 rest_of_handle_jump_bypass, rest_of_handle_combine,
8354 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8355 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8356 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8357 rest_of_handle_mode_switching, rest_of_handle_jump,
8358 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8359 rest_of_handle_flow2, rest_of_handle_jump2,
8360 rest_of_handle_peephole2, rest_of_handle_postreload,
8361 rest_of_handle_shorten_branches, rest_of_clean_state,
8362 rest_of_compilation): Remove.
8364 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8365 * passes.c (dump_flags, in_gimple_form, all_passes,
8366 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8367 register_dump_files, next_pass_1, last_verified, execute_todo,
8368 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8369 from tree-optimize.c.
8370 (init_optimization_passes): Moved from tree-optimize.c,
8371 adding the RTL optimizations.
8372 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8373 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8374 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8375 register_dump_files, next_pass_1, last_verified, execute_todo,
8376 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8377 init_tree_optimization_passes, ipa_passes): Delete.
8378 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8380 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8381 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8383 (ipa_passes): Remove.
8384 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8385 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8386 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8387 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8388 (dump_info_p, dump_flag): Moved to tree-dump.h.
8390 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8392 * passes.c (finish_optimization_passes): Use dump_begin
8393 and dump_end, TDI_end.
8394 (gate_rest_of_compilation): New.
8395 (pass_rest_of_compilation): Use it.
8396 (gate_postreload, pass_postreload): New.
8397 * toplev.c (general_init): Rename init_tree_optimization_passes.
8398 * toplev.h (init_tree_optimization_passes): Rename to
8399 init_optimizations_passes.
8400 * tree-dump.c (dump_flag): Make static.
8401 (dump_files): Remove RTL dumps.
8402 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8403 pass_cleanup_cfg, pass_free_cfg_annotations,
8404 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8405 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8406 * tree-pretty-print.c: Include tree-pass.h.
8407 * cgraph.c: Include tree-dump.h.
8409 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8411 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8412 Only fall back to saying it points to readonly memory if
8415 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8417 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8418 * config/m32r/m32r.c (m32r_compute_frame_size,
8419 m32r_expand_prologue): Take current_function_profile into
8420 account whenever we reference
8421 current_function_uses_pic_offset_table.
8422 (m32r_finalize_pic): Remove.
8423 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8425 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8427 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8428 instead of $<. Don't remove ./as if it already exists.
8430 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8433 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8434 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8435 for complex modes when generating code for PA 1.0.
8436 (VALID_FP_MODE_P): New macro.
8437 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8438 sets for all general and floating point modes. Align wide floating
8439 point modes to even register boundaries to comply with architectural
8441 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8442 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8443 (VALID_FP_MODE_P): New macro.
8444 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8445 sets for all general and floating point modes. Align wide floating
8446 point modes to even register boundaries to comply with architectural
8449 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8451 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8454 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8456 * tree-ssa-structalias.c: Don't include expr.h.
8458 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8460 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8463 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8465 Fix PR tree-optimization/22279
8467 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8470 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8472 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8474 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8476 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8477 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8478 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8479 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8480 config/stormy16/stormy16.c, config/v850/v850.c,
8481 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8482 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8483 Avoid "." or "\n" at end of diagnostics and capital letters at
8484 start of diagnostics.
8485 * combine.c, cse.c: Don't translate dump file output.
8486 * toplev.c (print_version): Only translate output if going to
8489 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8491 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8492 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8495 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8497 * pa.c (fix_range): Fix typo in comment.
8499 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8501 * tree-vrp.c (extract_range_from_assert): Replace
8502 fold (build (...)) with fold_build2.
8504 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8506 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8507 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8508 (format_types_orig, handle_format_attribute): Add support for
8511 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8513 * varasm.c (assemble_variable): Fix format specifier thinko.
8515 2005-07-03 Ira Rosen <irar@il.ibm.com>
8517 PR tree-optimization/22029 (and 22135)
8518 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8519 a phi node before calling dump_vops.
8521 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8523 * tree-dump.h (dump_string_field): Declare.
8524 * tree-dump.c: Use it instead of dump_string.
8525 (dump_string_field): Make non-static.
8527 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8529 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8530 up the minimal CFG stuff always when optimize > 0. Call
8531 split_all_insns_noflow in PIC case if needed.
8533 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8534 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8537 * c-decl.c (c_write_global_declarations): Dump contents of
8539 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8540 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8541 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8542 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8545 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8547 * c-common.h (GCC_DIAG_STYLE): Define.
8548 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8549 version for format checking to 4.1.
8550 * c-format.c: Include toplev.h after c-common.h.
8551 (enum format_type): Add gcc_tdiag_format_type.
8552 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8553 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8554 (format_types_orig): Add gcc_tdiag.
8555 (init_dynamic_diag_info): Support gcc_tdiag formats.
8556 (handle_format_attribute): Likewise.
8557 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8558 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8559 version for format checking to 4.1.
8560 (warning0, warning, error, pedwarn, sorry): Use
8562 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8563 (finish_aliases_1): Do not use %qE.
8564 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8565 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8566 Correct format bugs.
8567 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8568 parameter to unsigned HOST_WIDE_INT.
8569 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8571 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8574 * expr.c (write_complex_part): Use adjust_address for MEM.
8575 (read_complex_part): Same.
8577 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8579 Fix PR tree-optimization/22280
8581 * tree-sra.c (generate_element_init): Remove useless loop.
8583 2005-07-02 Richard Henderson <rth@redhat.com>
8585 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8587 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8589 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8592 * fold-const.c (fold_binary): Handle the return value of
8593 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8594 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8596 2005-07-02 Jeff Law <law@redhat.com>
8598 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8599 a eliminate type conversion which feeds an equality comparison
8600 if the original type or either operand in the comparison is a
8603 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8605 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8606 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8608 * config/avr/avr.c: Do not use '`' as left quote.
8609 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8610 Remove "." from end of diagnostics. Make diagnostics start with
8613 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8614 Joseph S. Myers <joseph@codesourcery.com>
8616 * toplev.c (default_tree_printer): Handle setting location with
8618 * c-objc.common.c (c_tree_printer): Likewise.
8619 * c-format.c (gcc_diag_flag_specs): Add '+'.
8620 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8621 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8623 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8624 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8625 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8626 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8627 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8628 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8629 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8630 format arguments where %J is used without %D.
8632 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8634 * gcc.c (LINK_SSP_SPEC): Define.
8635 (link_ssp_spec): New variable.
8636 (LINK_COMMAND_SPEC): Add %(link_ssp).
8637 (static_specs): Add link_ssp_spec.
8638 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8639 * configure: Rebuilt.
8640 * config.in: Rebuilt.
8642 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8643 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8644 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8645 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8646 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8647 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8648 -0x7008(2) instead of reading __stack_chk_guard variable.
8649 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8651 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8652 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8653 if TARGET_THREAD_SSP_OFFSET is defined.
8654 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8655 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8658 2005-06-27 Richard Henderson <rth@redhat.com>
8659 * libgcc-std.ver (GCC_4.1.0): New.
8660 * libgcc.h (__stack_chk_guard): Declare.
8661 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8662 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8663 * mklibgcc.in (lib2funcs): Add them.
8665 2005-07-01 Richard Henderson <rth@redhat.com>
8667 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8668 void * before struct sigcontext *.
8669 (x86_fallback_frame_state): Likewise.
8671 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8673 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8675 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8678 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8679 we check for SSA_NAME for.
8681 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8683 Fix PR tree-optimization/22071
8685 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8687 (get_constraint_for_component_ref): Use it.
8689 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8692 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8693 print out the last new line.
8695 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8697 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8698 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8699 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8700 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8701 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8702 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8703 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8704 (enum reg_class): New member CC0_REGS.
8705 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8706 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8707 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8708 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8709 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8710 Adjust for register now described.
8712 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8715 * config/i386/i386.md (stack_protect_test_si,
8716 stack_protect_test_di): Add earlyclobber for scratch 3.
8717 * config/rs6000/rs6000.md (stack_protect_testsi,
8718 stack_protect_testdi): Add earlyclobber for scratch 3,
8719 remove earlyclobber from scratch 4.
8721 Older entries for 2005 can be found in ChangeLog-2005.