1 2005-11-04 Jeff Law <law@redhat.com>
4 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
5 perform reassociation if the parent statement will not die as
6 a result of the optimization.
8 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
10 * tree-ssa-alias.c (compute_may_aliases): Remove call to
12 * tree-dfa.c (referenced_var_remove): Remove function.
13 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
14 (delete_tree_ssa): Remove call to delete_old_heapvars.
15 Add call to delete_alias_heapvars.
16 * tree-flow.h (referenced_var_remove): Remove prototype
17 (init_alias_heapvars): New prototype.
18 (delete_alias_heapvars): Ditto.
19 * Makefile.in (tree-ssa-structalias.o): Add
20 gt-tree-ssa-structalias.o
21 (GTFILES): Add tree-ssa-structalias.h and
22 tree-ssa-structalias.c.
23 (s-gtype): Add gt-tree-ssa-structalias.h.
24 * tree-ssa-structalias.c (heapvars): Remove.
25 (oldheapvars): Remove.
26 (heapvar_for_stmt): New variable.
27 (heapvar_lookup): New function.
28 (heapvar_insert): Ditto.
29 (get_constraint_for): See if we have an old heapvar
31 (init_alias_heapvars): New function.
32 (delete_alias_heapvars): Ditto.
33 Add include of gt-tree-ssa-structalias.h.
35 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
38 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
40 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
42 * tree.c (int_fits_type_p): Only look at the base type
43 if it has the same precision as the original type.
45 2005-11-10 Jakub Jelinek <jakub@redhat.com>
48 * varasm.c (assemble_alias): Use %q+D in the error
49 message instead of %J and %qD.
51 2005-11-10 Richard Guenther <rguenther@suse.de>
53 * gcse.c (free_ldst_entry): Only free hashtable if
56 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
58 * function.c (assign_stack_local_1): Issue an error message if
59 the frame size overflows in the signed target arithmetics.
61 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
63 * tree.c (build_qualified_type): Chain the new type to the original
64 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
65 a POINTER_TYPE or a REFERENCE_TYPE respectively.
66 (build_pointer_type_for_mode): Only return unqualified types.
67 (build_reference_type_for_mode): Likewise.
69 2005-11-09 Jakub Jelinek <jakub@redhat.com>
71 * Makefile.in (gnucompare): Do comparison of all files using one of
72 the chosen methods and only afterwards decide if just warning should
73 be issued or comparison failure raised.
75 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
77 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
78 (noce_try_abs): Negate if the comparison is reversed.
79 Look only one instruction backwards for a REG_EQUAL note.
81 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
84 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
85 gthr-tpf.h: Define __gthrw. For all identifiers that might
86 be weak, introduce weakrefs or non-weak aliases with __gthrw,
87 and prefix all uses with __ghtrw.
89 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
92 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
93 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
94 * c-common.c (handle_weakref_attribute): New.
95 (c_common_attribute_table): Add weakref.
96 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
98 * configure, config.in: Rebuilt.
99 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
100 * doc/extend.texi: Document weakref attribute.
101 * varasm.c (ultimate_transparent_alias_target): New
102 (assemble_name): Use it.
103 (weak_finish_1): Split out of...
104 (weak_finish): ... and deal with weakrefs in...
105 (weakref_targets): ... new list.
106 (globalize_decl): Clean up weakref_targets.
107 (do_assemble_alias): Handle weakrefs.
108 (finish_aliases_1): Do not reject weakrefs to external symbols.
109 (assemble_alias): Handle weakrefs.
111 2005-11-09 Richard Guenther <rguenther@suse.de>
113 PR tree-optimization/24716
114 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
115 t_bool to track results from follow_ssa_edge.
117 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
119 * final.c (force_source_line): New global variable.
120 (final_scan_insn): Set it to true instead of clearing last_filename.
121 (notice_source_line): Return true if force_source_line is true,
122 unless source info is absent.
124 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
127 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
128 a linkage name for a variable if it a register variable.
129 * c-decl.c (grokdeclarator): Global register variables
130 should be set as PUBLIC.
132 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
135 * config/s390/s390.c (struct s390_frame_layout): New fields
136 first_save_gpr_slot and last_save_gpr_slot.
137 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
138 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
139 first_save_gpr and last_save_gpr with the _slot variants.
140 (s390_register_info): Calculate first_save_gpr_slot and
141 last_save_gpr_slot using regs_ever_live.
143 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
146 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
147 for a function containing a landing pad.
149 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
152 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
155 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
157 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
158 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
160 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
163 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
165 (call,load,store): New insn types.
166 (mem_access, branch_access): Adjust reservation conditions.
167 (define_delay): Adjust condition.
168 (decrement_and_branch_until_zero): Allow for ms2. Set branch
170 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
171 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
173 (call_internal, call_value_internal, return_internal,
174 return_interrupt_internal, eh_return_internal, indirect_jump,
175 tablejump): Set call insn type.
176 (blockage, ei, di): Use appropriate unspec const.
177 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
178 (ms1_get_attr_type): Adjust to give load & store types.
179 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
180 backwards past a barrier.
181 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
183 (struct branch_info, struct label_info): New.
185 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
186 (ms1_machine_reorg): New.
187 (TARGET_MACHINE_DEPENDENT_REORG): Override.
188 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
189 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
190 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
193 2005-11-09 Per Bothner <per@bothner.com>
194 Uros Bizjak <uros@kss-loka.si>
197 * toplev.c (process_options): Initialize debug_hooks early
198 in case lang_hooks.post_options ends up calling a debug_hook.
200 2005-11-08 Jakub Jelinek <jakub@redhat.com>
202 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
203 DBX_REGISTER_NUMBER being contiguous.
205 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
206 Diego Novillo <dnovillo@redhat.com>
209 * tree-vrp.c (register_edge_assert_for): Do not register
210 always-false predicates.
212 2005-11-08 Devang Patel <dpatel@apple.com>
214 PR tree-optimization/23115
215 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
218 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
220 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
223 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
225 Fix PR tree-optimization/23382
227 * tree-ssa-alias.c (compute_may_aliases): Call
228 delete_old_heap_vars.
229 * tree-dfa.c (referenced_var_remove): New function.
230 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
231 * tree-flow.h (referenced_var_remove): Add prototype.
232 (delete_old_heap_vars): Ditto.
233 * tree-ssa-structalias.c (heapvars): New variable.
234 (oldheapvars): Ditto.
235 (get_constraint_for): Put heap vars on heapvars list.
236 (delete_old_heap_vars): New function.
238 2005-11-08 Jason Merrill <jason@redhat.com>
240 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
242 2005-11-08 Uros Bizjak <uros@kss-loka.si>
245 * reg-stack.c (reg_to_stack): Update register liveness also
246 for flag_sched2_use_traces.
248 2005-11-08 Alan Modra <amodra@bigpond.net.au>
251 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
252 override prior explicit -mno-powerpc-gfxopt.
254 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
256 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
257 if the bitsize is zero.
258 * doc/md.texi (Standard Pattern Names): Document it.
260 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
261 (TARGET_PASS_BY_REFERENCE): Likewise.
263 2005-11-07 Ian Lance Taylor <ian@airs.com>
265 PR rtl-optimization/24683
266 * config/i386/i386.c (legitimize_pic_address): If constant operand
267 to PLUS is too large, put it in a register.
269 2005-11-07 Jie Zhang <jie.zhang@analog.com>
271 * configure.ac: Enable checking assembler dwarf2 support for bfin
273 * configure: Regenerate.
275 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
279 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
280 gen_easy_vector_constant_add_self): Delete.
281 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
283 (output_vec_const_move): Use gen_easy_altivec_constant.
284 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
285 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
286 (easy_vector_constant_add_self): Rewritten.
287 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
288 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
289 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
290 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
291 Macroize and adjust for the other changes.
293 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
297 * c-typeck.c (build_c_cast): Try using a shared constant, and see
298 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
300 2005-11-07 Jakub Jelinek <jakub@redhat.com>
302 PR rtl-optimization/23567
303 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
304 (noce_process_if_block): Don't do any optimizations except
305 if (cond) x = x; if !set_b and write into orig_x may trap
306 or fault. Remove the MEM_READONLY_P check.
308 2005-11-06 Diego Novillo <dnovillo@redhat.com>
311 * tree-vrp.c (fix_equivalence_set): New.
312 (extract_range_from_assert): Call it.
314 2005-11-05 Ian Lance Taylor <ian@airs.com>
317 * combine.c (apply_distributive_law): Don't distribute across a
320 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
322 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
323 config/ms1/ms1.h, config/rs6000/predicates.md,
324 config/s390/s390.c, params.def, postreload-gcse.c,
325 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
326 tree-vrp.c, tree.c: Fix comment typos.
327 * doc/invoke.texi: Fix typos.
329 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
331 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
332 for testing whether the data_dependence_relation contains distance
333 vectors. Iterate over all distance vectors of the ddr.
334 * lambda.h: Define a vec of lambda_vector pointers.
335 * tree-data-ref.c (dump_data_dependence_relation,
336 dump_data_dependence_direction): Iterate over all distance and
337 direction vectors of the ddr.
338 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
340 (build_classic_dist_vector, build_classic_dir_vector): Push a set
341 of distance/direction vectors instead of a single one.
342 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
343 lambda_vectors with a vec of lambda_vectors.
344 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
345 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
346 DDR_NUM_DIST_VECTS): New.
347 * tree-loop-linear.c (gather_interchange_stats): Test for the
348 existence of distance vectors only after having checked that there
349 is a dependence. Iterate over all distance vectors of the ddr.
350 (linear_transform_loops): Use dump_data_dependence_relation.
351 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
352 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
353 distance vectors of the ddr.
355 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
357 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
358 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
359 IS_INTHANDLER; all callers changed.
360 (n_regs_saved_by_prologue): Take interrupt handler attributes into
362 (do_link, do_unlink): New argument ALL; all callers changed.
363 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
364 If function isn't leaf, save and restore all registers.
365 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
368 2005-11-05 Jan Hubicka <jh@suse.cz>
370 PR rtl-optimization/23490
371 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
372 max-flow-memory-location): Document.
373 * flow.c: Include params.h
374 (MAX_MEM_SET_LIST_LEN): Kill.
375 (add_to_mem_set_list): Use new param.
376 * cse.c (cse_basic_block): Replace 1000 by new param.
377 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
378 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
379 * predict.c (predict_loops): Use new param.
380 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
382 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
383 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
384 Do not hold memory returned by cgraph_node_name across other call.
386 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
389 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
392 2005-11-04 Jeff Law <law@redhat.com>
395 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
396 * tree-ssa-dom.c: Include params.h.
397 (thread_across_edge): If there are too many statements in the
398 target block, then do not thread through it.
399 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
400 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
402 2005-11-03 Diego Novillo <dnovillo@redhat.com>
405 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
406 TODO_update_ssa instead of TODO_update_ssa_no_phi.
408 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
411 * tree-scalar-evolution.c (instantiate_parameters_1,
412 instantiate_parameters, resolve_mixers): Compute the size of an
413 expression to be instantiated and give up the instantiation if the
414 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
416 2005-11-04 Richard Guenther <rguenther@suse.de>
418 * tree-flow.h (ref_contains_indirect_ref): Rename to
419 array_ref_contains_indirect_ref.
420 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
421 (array_ref_contains_indirect_ref): Make comment match the code
423 (ref_contains_array_ref): Likewise.
424 * tree-ssa-structalias.c (find_func_aliases): Remove call to
425 ref_contains_indirect_ref.
426 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
427 Rename calls to ref_contains_indirect_ref.
429 2005-11-04 Paul Brook <paul@codesourcery.com>
431 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
432 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
433 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
434 * config/arm/arm.md: Use match_operand in peephole input templates
435 and match_dup in peephole output templates.
437 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
439 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
442 2005-11-04 Mark Mitchell <mark@codesourcery.com>
443 Daniel Jacobowitz <dan@codesourcery.com>
445 * longlong.h (add_ssaaaa): Clobber condition code register
447 (sub_ddmmss): Likewise.
448 (umul_ppmm): Likewise.
450 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
451 Paul Brook <paul@codesourcery.com>
452 Phil Blundell <pb@reciva.com>
454 * configure.ac: Add test for ARM TLS support.
455 * configure: Regenerated.
456 * config/arm/arm-protos.h (legitimize_tls_address)
457 (arm_tls_referenced_p, tls_mentioned_p)
458 (arm_output_addr_const_extra): New prototypes.
459 (thumb_legitimize_pic_address): Delete.
460 * config/arm/arm.c: Include "gt-arm.h".
461 (enum tls_reloc): New.
462 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
463 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
464 (arm_call_tls_get_addr, legitimize_tls_address)
465 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
466 (arm_init_tls_builtins, arm_emit_tls_decoration)
467 (arm_output_addr_const_extra): New functions.
468 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
469 (TARGET_HAVE_TLS): Define.
470 (target_thread_pointer): New.
471 (arm_override_options): Handle -mtp=.
472 (legitimize_pic_address): Ignore UNSPECs.
473 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
475 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
476 (tls_get_addr_libfunc): New variable.
477 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
478 (arm_init_builtins): Call arm_init_tls_builtins.
479 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
480 (arm_encode_section_info): Call default_encode_section_info.
481 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
482 (enum arm_tp_type): New.
483 (target_thread_pointer): Add declaration.
484 (LEGITIMATE_CONSTANT_P): Handle TLS.
485 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
486 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
487 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
488 * config/arm/arm.md: Add UNSPEC_TLS.
490 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
492 (tls_load_dot_plus_eight): New insn and a peephole to create it.
493 (load_tp_hard, load_tp_soft): New insns.
494 * arm.opt: Add -mtp=.
495 * doc/invoke.texi (ARM Options): Document -mtp.
497 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
499 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
500 * config/arm/libunwind.S: Include "lib1funcs.asm".
501 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
502 (LIB2ADDEH): Add libunwind.S.
503 (LIB2ADDEHDEP): Add lib1funcs.asm.
504 * mklibgcc.in: Handle asm files in libgcc_eh.a.
506 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
509 * gcc/c.opt: Add a -lang-fortran option.
510 * gcc/c-opts.c: Add a lang_fortran flag.
511 (c_common_init_options): Handling the -lang-fortran option.
512 (c_common_handle_option): Add a case for Fortran options in
513 preprocessing. Remove cases for -ffixed-form and
514 -ffixed-line-length. Add a case for -lang-fortran.
516 2005-11-03 David Edelsohn <edelsohn@gnu.org>
518 * config/rs6000/rs6000.c: Include params.h
519 (optimization_options): Set max-grow-copy-bb-insns default to 16.
520 (bdesc_2arg): Delete vpkuhss and vpkuwss.
521 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
522 (UNSPEC_VPKUWSS): Delete.
523 (altivec_vpkuhss): Delete.
524 (altivec_vpkuwss): Delete.
525 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
527 (neg_eq0<mode>): Remove final condition.
528 (neg_eq<mode>): Remove condition and split-condition.
530 2005-11-04 Alan Modra <amodra@bigpond.net.au>
532 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
533 Use associated print macros.
535 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
538 * diagnostic.c (diagnostic_set_info_translated): New function.
539 (diagnostic_set_info): Use it. Add comment.
540 * diagnostic.h (diagnostic_set_info_translated): Declare.
542 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
544 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
545 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
546 reference only if 'public' is true.
547 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
548 emit the .hidden directive only if the indirect reference is public.
549 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
550 Pass it to dw2_force_const_mem.
551 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
552 * dwarf2out.c (output_cfi): Adjust calls to above function.
553 (output_call_frame_info): Likewise.
554 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
555 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
557 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
559 PR tree-optimization/24483
560 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
561 field to elts if possible.
563 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
566 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
569 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
571 Fix PR tree-optimization/24351
573 * tree-ssa-structalias.c (struct variable_info): Add
575 (get_varinfo_fc): New function to follow collapsing.
576 (new_var_info): Set collapsed_to to NULL.
577 (dump_constraint): Follow collapsing.
578 (build_constraint_graph): Handle collapsing.
579 (do_simple_structure_copy): Return false if something bad
581 (collapse_rest_of_var): New function.
582 (do_structure_copy): Collapse if do_simple_structure_copy returns
585 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
588 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
589 expressions to a statement list instead of gimplifying them.
591 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
593 PR rtl-optimization/23585
594 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
595 that can't trap plus a constant integer, if the mode has zero size.
597 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
600 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
602 ("*insv<mode>_reg_extimm"): Likewise.
604 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
607 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
608 c_common_type_for_mode returns an unnamed type.
610 2005-11-02 Richard Henderson <rth@redhat.com>
614 * dwarf2out.c (dwarf2out_reg_save_reg): New.
615 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
616 * function.c (assign_parms): Use calls.internal_arg_pointer.
617 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
619 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
620 (TARGET_CALLS): Add it.
621 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
622 * targhooks.c (default_internal_arg_pointer): New.
623 * targhooks.h (default_internal_arg_pointer): Declare.
624 * tree.h (dwarf2out_reg_save_reg): Declare.
625 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
626 * config/i386/i386.c (dbx_register_map): Add return column.
627 (dbx64_register_map, svr4_dbx_register_map): Likewise.
628 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
629 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
630 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
631 (ix86_save_reg): Save force_align_arg_pointer.
632 (ix86_emit_save_regs): Make regno unsigned.
633 (ix86_emit_save_regs_using_mov): Likewise.
634 (ix86_expand_prologue): Handle force_align_arg_pointer.
635 (ix86_expand_epilogue): Likewise.
636 * config/i386/i386.h: (dbx_register_map): Update.
637 (dbx64_register_map, svr4_dbx_register_map): Update.
638 (struct machine_function): Add force_align_arg_pointer.
639 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
640 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
641 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
643 2005-11-02 Jan Hubicka <jh@suse.cz>
646 * i386.md: Add peep2 for simplyfing array accesses.
648 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
651 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
652 * config/s390/s390.c (s390_decompose_shift_count): New function.
653 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
654 (print_shift_count_operand): Use s390_decompose_shift_count.
655 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
656 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
658 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
661 * loop.c (loop_givs_rescan): Use force_operand to expand
664 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
667 * fold-const.c (build_range_check): Use unsigned when signed
668 overflow is undefined also. If etype is subtype, make sure that
669 the subtraction is in the supertype.
671 2005-11-02 Richard Henderson <rth@redhat.com>
674 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
677 2005-11-01 Richard Henderson <rth@redhat.com>
680 * loop.c (scan_loop): Do not propagate computations to a hard
681 register destination with SMALL_REGISTER_CLASSES.
683 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
685 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
686 costs for MULT inside PLUS or MINUS.
688 2005-11-01 Bob Wilson <bob.wilson@acm.org>
690 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
691 (TRAMPOLINE_SIZE): Round up to 60.
692 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
694 2005-10-31 James E. Wilson <wilson@specifix.com>
697 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
698 ifdef. Put ifdefs around call in gen_subprogram_die.
699 (compute_frame_pointer_to_cfa_displacement): Likewise.
700 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
703 PR rtl-optimization/17356
704 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
705 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
707 2005-10-31 Jan Hubicka <jh@suse.cz>
710 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
713 * i386.c (legitimize_pic_address): Deal with large immediates.
716 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
717 from symbol names while computing checkup.
720 * predict.c (predict_loops): Do not estimate more than
721 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
722 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
724 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
726 PR tree-optimization/19097
727 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
729 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
731 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
733 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
736 * tree-inline.c (setup_one_parameter): If the init_stmt
737 is NULL, don't insert the statement.
739 2005-10-30 Jan Hubicka <jh@suse.cz>
741 PR tree-optimization/24172
742 * tree-inline.c (copy_body_r): Unshare the substituted value first.
744 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
746 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
747 constants for hosts with long != 32 bits.
749 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
752 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
754 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
756 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
757 (TARGET_MS1_16_002): New.
758 (TARGET_MS1_16_003): New.
760 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
761 ("*decrement_and_branch_until_zero_no_clobber"): New.
762 Add corresponding splitter for decrement_and_branch_until_zero
764 Key all decrement_and_branch_until_zero patterns off of
767 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
770 * tree-complex.c (extract_component): Treat RESULT_DECL
771 like the rest of the decls.
773 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
775 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
776 indirect call to _mcount if the function needs a static chain.
778 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
779 Caroline Tice <ctice@apple.com>
781 PR rtl-optimization/24460
782 * dwarf2out.c (have_switched_text_sections): New boolean variable.
783 (dwarf2out_switch_text_section): Set it to true instead of
784 incrementing separate_line_info_table_in_use.
785 (output_loc_list): Additionally test have_switched_text_sections.
786 (output_ranges): Likewise.
787 (dwarf2out_finish): Likewise.
788 * varasm.c (assemble_start_function): Do not call
789 insert_section_boundary_note.
790 (assemble_end_function): If flag_reorder_blocks_and_partition,
791 switch to the function's section before emitting the .size directive.
792 * bb-reorder.c (insert_section_boundary_note): Staticify.
793 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
794 * output.h (insert_section_boundary_note): Delete.
796 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
799 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
800 instead of pointer equality when comparing types.
802 2005-10-24 James E. Wilson <wilson@specifix.com>
804 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
805 add_dependence_list_and_free calls.
807 2005-10-24 Steven Bosscher <stevenb@suse.de>
809 * contrib.texi: Add the names of the LLNL folks who donated
810 Cray pointer support for gfortran.
812 2005-10-24 Steven Bosscher <stevenb@suse.de>
814 PR tree-optimization/24225
815 * profile.c (branch_prob): Look from end to start through a
816 basic block when looking for a locus.
818 2005-10-24 Richard Henderson <rth@redhat.com>
820 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
822 (hppa_expand_prologue): Likewise.
824 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
826 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
827 (NO_DEFERRED_PROFILE_COUNTERS): Define.
828 * pa.h (NO_PROFILE_COUNTERS): Define.
829 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
830 (funcdef_nos): New vector to hold label numbers of deferred profile
832 (output_deferred_profile_counters): New function.
833 (hppa_profile_hook): Push label number onto funcdef_nos.
834 (pa_hpux_file_end): Call output_deferred_profile_counters if
835 NO_DEFERRED_PROFILE_COUNTERS is false.
837 * pa-protos.h (get_deferred_plabel): New prototype.
838 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
840 (output_call): Adjust calls.
842 2005-10-24 Alan Modra <amodra@bigpond.net.au>
844 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
845 peculiarity of GOT/TOC section usage.
847 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
850 * c-common.c (constant_string_class_name): Add documentation.
852 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
855 * recog.c (peephole2_optimize): Increment peep2_current_count
856 only when the slot is empty.
858 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
861 * except.c (output_function_exception_table): Call
862 assemble_external_libcall if we need a personality function.
864 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
866 PR rtl-optimization/24460
867 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
868 set the basic block for barriers.
870 2005-10-21 Janis Johnson <janis187@us.ibm.com>
872 * var-tracking.c (vt_initialize): Initialize post.
874 2005-10-21 Devang Patel <dpatel@apple.com>
877 * c-common.c (vector_types_convertible_p): Check vector element type.
879 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
881 * config/sh/sh.c (prepare_move_operands): Handle the address
882 constant which is a tls symbolic address plus a constant.
884 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
887 * gcc.c (main): Use the correct counter for erroring out
888 about mulitple files.
890 2005-10-21 Alan Modra <amodra@bigpond.net.au>
893 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
894 use r2 for 64-bit tls .got access.
896 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
898 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
901 2005-10-20 Steven Bosscher <stevenb@suse.de>
903 PR tree-optimization/24307
904 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
906 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
909 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
911 * varasm.c (find_decl_and_mark_needed): After cgraph global info
912 is ready, stop marking functions, but still mark variables.
914 2005-10-20 Richard Guenther <rguenther@suse.de>
917 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
920 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
922 PR rtl-optimization/23585
923 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
924 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
925 (may_trap_p_1): New predicate extracted from...
926 (may_trap_p): ... here. Invoke may_trap_p_1.
927 (may_trap_or_fault_p): New predicate.
928 * rtl.h (may_trap_or_fault_p): Declare it.
929 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
930 instead of may_trap_p.
931 (steal_delay_list_from_fallthrough): Likewise.
932 (fill_simple_delay_slots): Likewise.
933 (fill_slots_from_thread): Likewise.
934 * function.c (pad_to_arg_alignment): Rework comment about
935 SPARC_STACK_BOUNDARY_HACK.
936 * config/sparc/sparc.h: Likewise.
938 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
940 * config/s390/s390.c (s390_expand_insv): New.
941 * config/s390/s390-protos.h (s390_expand_insv): Declare.
942 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
943 ("icm_hi"): Remove mode attribute.
944 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
946 ("*extracthi", "*extractqi"): Remove.
947 (extv<mode>", "*extzv<mode>"): New.
948 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
949 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
951 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
953 * cfgexpand.c (discover_nonconstant_array_refs_r,
954 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
955 (tree_expand_cfg): Call discover_nonconstant_array_refs.
956 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
957 discover_nonconstant_array_refs.
959 2005-10-19 Steven Bosscher <stevenb@suse.de>
962 * c-decl.c (pop_scope): Don't warn about an unused variable
963 if it is marked with TREE_NO_WARNING.
964 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
965 somenow mismatch and olddecl is to be replaced.
967 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
970 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
971 whether registers live on the edge can be saved/restored.
973 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
975 * config/sh/sh.c (fixup_mova): Skip notes.
977 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
979 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
980 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
981 (s390_can_eliminate): Handle BASE_REGNUM elimination.
982 (s390_initial_elimination_offset): Likewise.
983 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
984 register on TARGET_ZARCH targets.
985 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
986 (INITIAL_FRAME_POINTER_OFFSET): Remove.
987 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
988 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
990 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
992 * config/s390/s390.md: Comment describing output modifiers updated.
993 * config/s390/s390.c (print_operand): Likewise.
995 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
997 * config/s390/s390.c (override_options): Added check for -mstack-size
999 * doc/invoke.texi: Mention that limit in the documenation.
1001 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1004 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1006 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1008 Fix PR tree-optimization/24231
1010 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1011 (compute_avail): Ditto.
1013 2005-10-18 Richard Henderson <rth@redhat.com>
1016 * config/i386/i386.c (legitimate_constant_p): Check
1017 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1019 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1020 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1021 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1023 (print_operand_address): Likewise.
1024 * config/i386/predicates.md (x86_64_immediate_operand): Test
1025 SYMBOL_REF_TLS_MODEL properly inside CONST.
1026 (x86_64_zext_immediate_operand): Likewise.
1027 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1028 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1029 * config/i386/i386-protos.h: Remove predicates.md entries.
1031 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1033 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1034 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1036 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1037 Ian Lance Taylor <ian@airs.com>
1040 * fold-const.c (fold_widened_comparison): Do not allow range based
1041 constant folding when right operand cannot be unwidened.
1043 2005-10-17 Richard Henderson <rth@redhat.com>
1045 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1046 with a memory clobber.
1048 2005-10-17 James E Wilson <wilson@specifix.com>
1050 PR rtl-optimization/17356
1051 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1052 checking for EDGE_EH.
1054 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1056 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1057 the slot on an even boundary for any type with 16-byte alignment.
1059 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1062 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1063 after register allocation.
1065 2005-10-17 DJ Delorie <dj@redhat.com>
1067 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1070 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1073 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1076 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1078 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1079 to 2 if it's already non-zero.
1080 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1081 is set and warn about it if flag_schedule_insns is 1.
1083 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1085 * config/crx/crx.md: Compare-and-branch instructions need to
1088 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1091 * config/i386/i386.md (*pushdi2_rex64 splitter)
1092 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1093 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1094 flow2 pass only when (optimize > 0 && flag_peephole2).
1096 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1099 * gcc.c (have_c): New static variable.
1101 (process_command): Remove declation of have_c.
1102 Set have_o to 1 when handling -o.
1103 (main): Add a fatel error if there are multiple
1104 files specified and -o and -c/-S is passed witout
1105 -combine or multiple languages.
1107 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1109 Fix PR tree-optimization/22444
1110 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1111 Assert that we don't hit something with subvars.
1112 (setup_pointers_and_addressables): Don't add things with subvars,
1113 because we'll already process the subvars for aliasing purposes.
1115 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1118 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1119 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1120 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1121 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1122 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1123 swapped, alternatives for the R constraint.
1126 * builtins.c (get_builtin_sync_mode): Make unlimited
1127 mode_for_size request.
1129 2005-10-15 Richard Henderson <rth@redhat.com>
1131 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1132 (gimplify_expr): ... here.
1133 (gimplify_compound_lval): Use it in initial scan loop. Allow
1134 fb_lvalue in base expression.
1136 2005-10-15 Richard Henderson <rth@redhat.com>
1139 * builtins.c (expand_builtin_trap): Export.
1140 * expr.h (expand_builtin_trap): Declare.
1141 * expr.c (expand_assignment): Emit a trap for integral offsets
1142 from registers that weren't reduced to bitpos.
1144 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1145 (mark_array_ref_addressable): Remove.
1146 * tree-flow.h (mark_array_ref_addressable): Remove.
1147 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1149 2005-10-15 James E Wilson <wilson@specifix.com>
1152 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1153 (add_dependence_list_and_free): Likewise.
1154 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1157 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1161 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1162 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1164 (vrp_visit_phi_node): Only prevent infinite iterations when
1165 the previous result and the new result are both VR_RANGEs.
1167 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1169 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1172 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1175 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1178 2005-10-14 Per Bothner <per@bothner.com>
1180 PR preprocessor/21250
1181 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1183 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1186 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1187 overflow flags. Refactor some conditionals.
1189 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1192 * tree-dfa.c (add_referenced_var): Only look at decls which
1193 have TREE_CONSTANT or TREE_READONLY set instead of if
1194 !TREE_PUBLIC or !TREE_CONSTANT.
1196 2005-10-13 James E Wilson <wilson@specifix.com>
1198 * doc/invoke.texi: For -x, add f95-cpp-input.
1199 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1201 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1203 PR tree-optimization/24262
1204 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1205 in loop all the time.
1207 2005-10-12 Richard Henderson <rth@redhat.com>
1210 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1211 * function.c (assign_parm_find_data_types): Don't support it.
1212 * print-tree.c (print_node): Likewise.
1213 * c-common.c (handle_transparent_union_attribute): Likewise.
1214 Use build_duplicate_type.
1215 * tree-inline.c (remap_type_1): Split out of remap_type;
1216 properly remap aggregate fields.
1217 (build_duplicate_type): New.
1218 * doc/extend.texi (Variable Attributes): Remove documentation
1219 for transparent_union.
1221 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1224 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1225 (gen_stack_pointer_dec): Likewise.
1227 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1231 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1233 (struct cxx): Add adjust_class_at_definition target hook.
1234 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1235 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1236 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1237 hook_void_tree. Add to TARGET_CXX.
1238 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1240 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1241 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1242 instead of attribute. Check for dllexport override. Warn if
1243 inconsistent dll linkage. Don't lose old dllimport if decl has
1244 had address referenced. Tweak lookup of dllimport atribute.
1245 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1246 for target specific rules. Don't add dllimport attribute if
1247 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1248 dllimport attribute.
1249 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1250 * varasm.c (initializer_constant_valid_p): Replace
1251 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1255 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1256 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1257 (i[34567]86-*-mingw32*): Likewise.
1259 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1260 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1262 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1263 C++-specific code. Change return value to bool.
1264 (i386_pe_dllimport_p): Likewise.
1265 (associated_type): Simplify and make language-independent
1266 (i386_pe_encode_section_info): Replace override of ambiguous
1267 dllimport symbol refs with a gcc_assert.
1268 (i386_pe_valid_dllimport_attribute_p): Define.
1269 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1270 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1271 i386_pe_adjust_class_at_definition.
1272 * config/i386/winnt-stubs.c: New file. Define stub versions of
1273 lang-specific functions.
1274 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1275 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1276 i386_pe_adjust_class_at_definition.
1277 (i386_pe_valid_dllimport_attribute_p): Declare.
1278 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1279 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1280 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1283 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1284 dllimport attribute with test of DECL_DLLIMPORT_P.
1286 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1288 * combine.c (make_extraction): Correct offset computation.
1290 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1292 * config/cris/t-linux (LIMITS_H_TEST): Define.
1294 2005-10-12 Richard Henderson <rth@redhat.com>
1297 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1299 2005-10-12 Richard Guenther <rguenther@suse.de>
1301 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1303 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1306 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1307 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1310 2005-10-12 Richard Guenther <rguenther@suse.de>
1313 * varasm.c (output_constant): Correct typo from previous
1316 2005-10-11 Ian Lance Taylor <ian@airs.com>
1318 PR rtl-optimization/13931
1319 * combine.c: Revert patch of 2003-05-14, and:
1320 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1321 completely killed in the appropriate insn.
1322 (distribute_notes): Don't skip multiple hard register test for
1323 elim_i1 and elim_i2.
1325 2005-10-11 Richard Henderson <rth@redhat.com>
1328 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1329 to initialize a transparent union instead of a nop_expr.
1331 2005-10-11 Richard Henderson <rth@redhat.com>
1333 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1334 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1335 (tree_ssa_dce_loop): Call scev_reset.
1338 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1339 * tree-ssa-dce.c: Include cfgloop.h.
1340 (tree_ssa_dce_loop, pass_dce_loop): New.
1341 * tree-pass.h (pass_dce_loop): Declare it.
1342 * passes.c (init_optimization_passes): Use it.
1344 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1347 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1348 Only apply the optimization for rounding builtins if the inner
1349 cast is also an extension.
1351 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1354 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1355 mark_new_vars_to_rename instead of update_stmt.
1357 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1359 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1361 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1363 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1364 for setting MMX register to 0 rather than mmx.
1366 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1369 * configure.ac: Move gas check from mips specific case to common case.
1370 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1371 * configure: Regenerate
1372 * doc/install.texi: Update.
1374 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1377 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1379 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1381 * gcc.c (do_spec_1): Accept numeric characters in file name
1384 2005-10-10 Nick Clifton <nickc@redhat.com>
1386 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1387 describing the deleted arm_gen_rotated_half_load function.
1389 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1391 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1394 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1396 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1398 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1399 (EXTRA_MULTILIB_PARTS): Define.
1400 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1401 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1402 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1403 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1404 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1405 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1407 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1409 PR tree-optimization/24226
1410 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1411 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1412 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1415 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1417 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1419 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1422 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1423 Rewrite for no need for the early clobber.
1425 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1427 Merge from csl-arm-branch:
1428 2005-09-07 Paul Brook <paul@codesourcery.com>
1429 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1432 2005-04-30 Paul Brook <paul@codesourcery.com>
1433 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1434 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1436 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1437 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1438 (arm_override_options): Use TARGET_AAPCS_BASED.
1439 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1440 (PTRDIFF_TYPE): Use int for AAPCS.
1441 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1442 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1443 (DEFAULT_SHORT_ENUMS): Delete.
1444 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1446 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1447 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1448 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1449 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1451 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1452 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1454 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1455 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1457 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1458 * config.gcc (arm*-*-linux-gnueabi): Add it.
1459 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1461 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1462 * config/arm/linux-eabi.h: New file.
1463 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1464 (LINUX_TARET_LINK_SPEC): Likewise.
1465 (LINK_SPEC): Use it.
1466 * config/arm/t-linux-eabi: New file.
1468 2005-10-08 Steven Bosscher <stevenb@suse.de>
1471 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1473 (PARAM_SMS_DFA_HISTORY): Likewise.
1475 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1478 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1479 (load_register_parameters): Call it.
1480 (check_sibcall_argument_overlap_1): Likewise.
1481 (store_one_arg): Likewise.
1483 2005-10-07 James E. Wilson <wilson@specifix.com>
1485 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1486 DImode not VECINT24 for operand 2.
1489 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1493 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1494 fr_spill): Use destination_operand for operand 0.
1496 2005-10-07 DJ Delorie <dj@redhat.com>
1498 * varasm.c (output_constant): Limit error to expanding
1501 2005-10-07 Richard Guenther <rguenther@suse.de>
1504 * fold-const.c (fold_binary): Fix operand types during folding
1505 of X op (A, Y). Evaluation order of the side-effects of
1506 X and A are frontend-defined, so ensure we honour that even for
1507 tcc_comparison class operands; eased by removing duplicate code.
1509 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1511 * stor-layout.c (layout_type): Do not allow alignment of array
1512 elements to be greater than their size.
1514 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1516 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1518 (hppa*-*-linux*): Ditto.
1519 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1520 * config/host-hpux.c: New.
1521 * config/x-hpux: New.
1522 * config/pa/x-hpux: Remove.
1523 * config/pa/x-linux: Remove.
1524 * config/pa/pa-host.c: Remove.
1526 2005-10-07 Jeff Law <law@redhat.com>
1528 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1529 determine whether or not to try and thread outgoing edges.
1531 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1533 * config/rs6000/rs6000.md (eqsi_power): New.
1534 (neg_eq0si): Add TARGET_POWER to final condition.
1537 2005-10-06 Richard Henderson <rth@redhat.com>
1539 * config/rs6000/rs6000.c: Revert last change.
1541 2005-10-06 Richard Henderson <rth@redhat.com>
1543 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1544 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1546 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1550 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1551 out return_label and naked_return_label.
1553 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1555 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1558 2005-10-06 Richard Henderson <rth@redhat.com>
1561 * tree-inline.c (declare_return_variable): Handle modify_dest not
1564 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1566 Fix PR tree-optimization/22488
1567 * tree-ssa-structalias.c (check_for_overlaps): New function.
1568 (create_variable_info_for): Use it.
1570 2005-10-06 Richard Henderson <rth@redhat.com>
1573 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1574 (dwarf2out_start_source_file): Print it.
1576 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1578 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1580 2005-10-06 Richard Henderson <rth@redhat.com>
1583 * mode-switching.c (optimize_mode_switching): Clear transp bit
1584 for block with incomming abnormal edges.
1586 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1587 (fpscr_set_from_mem): Use them.
1588 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1589 (fpscr postinc splitters): Rewrite as peephole2+split.
1591 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1593 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1594 (eq<mode>_compare): Same.
1596 2005-10-06 Richard Guenther <rguenther@suse.de>
1598 PR tree-optimization/24238
1599 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1601 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1603 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1604 here. Use AC_PATH_PROG for environment variables instead of
1606 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1608 * configure: Regenerated.
1610 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1613 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1614 then force it into a register.
1615 (call_value): Likewise.
1617 2005-10-06 Richard Henderson <rth@redhat.com>
1620 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1621 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1622 under pass_vectorize.
1624 2005-10-05 Devang Patel <dpatel@apple.com>
1627 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1628 handling constants. Check NAMESPACE_DECL context for constants.
1630 2005-10-05 Eric Christopher <echristo@apple.com>
1632 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1634 2005-10-05 Richard Henderson <rth@redhat.com>
1637 * tree-cfg.c (mark_array_ref_addressable_1): New.
1638 (mark_array_ref_addressable): New.
1639 * tree-flow.h (mark_array_ref_addressable): Declare.
1640 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1642 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1646 * reload.c (subst_reloads): When adding a REG_LABEL to a
1647 jump instruction, also update JUMP_LABEL.
1649 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1651 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1652 * bb-reorder.c (copy_bb_p): Use it.
1653 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1655 2005-10-05 Richard Henderson <rth@redhat.com>
1658 * toplev.c (process_options): Warn about unsupported combinations
1659 of unwind tables and omit-frame-pointer.
1660 * config/i386/i386.c (override_options): Similarly. Enable
1661 accumulate-outgoing-args if not explicitly disabled.
1663 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1665 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1666 Handle big endian vs. small endian.
1667 (vec_initv2sf): Handle big endian vs. small endian.
1668 (*vec_extractv2sf_1): Ditto.
1670 2005-10-05 Dale Johannesen <dalej@apple.com>
1672 * convert.c (convert_to_real): Don't convert
1673 (float)floor(double d) to floorf((float)d).
1675 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1677 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1679 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1681 PR tree-optimization/18587
1682 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1683 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1684 build_vuses): Change to VEC type.
1685 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1686 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1687 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1688 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1689 (get_name_decl): New. Return DECL_UID of base variable.
1690 (operand_build_cmp): New. qsort comparison routine.
1691 (operand_build_sort_virtual): New. Sort virtual build vector.
1692 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1693 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1694 (FINALIZE_BASE): Use get_name_decl.
1695 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1696 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1697 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1698 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1699 direct VEC_* manipulations.
1700 (build_ssa_operands): Call operand_build_sort_virtual.
1701 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1702 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1703 with direct VEC_* manipulations.
1704 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1705 with direct VEC manipulations.
1707 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1709 PR tree-optimization/21419
1710 PR tree-optimization/24146
1711 PR tree-optimization/24151
1713 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1714 (build_asm_expr): Call it if outputs are read-only.
1715 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1717 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1718 Paolo Bonzini <bonzini@gnu.org>
1722 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1723 enable the instructions and not just the built-ins.
1724 * doc/invoke.texi (x86 Options): Likewise.
1726 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1728 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1730 * doc/invoke.texi (Option Summary): Correct spelling
1731 of -mmacosx-version-min.
1733 2005-10-04 Devang Patel <dpatel@apple.com>
1735 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1738 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1740 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1741 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1743 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1745 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1746 ("TE","tg"): New mode attributes.
1747 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1748 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1749 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1750 dword_mode and one for GPRmode.
1752 2005-10-04 Ian Lance Taylor <ian@airs.com>
1754 PR preprocessor/13726
1755 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1756 any comments passed in.
1758 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1760 * tree.c (annotate_with_file_line): Fix typo.
1762 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1765 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1766 type used to access data in the inlined length == 1 case, use
1767 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1768 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1770 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1772 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1773 TARGET_SSE3 and only for TARGET_80387.
1774 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1775 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1776 Do not depend on TARGET_80387.
1778 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1780 * tree.c (last_annotated_node): Change type to location_t*.
1781 (annotate_with_file_line): Reflect the change of
1782 last_annotated_node type.
1784 2005-10-04 Richard Guenther <rguenther@suse.de>
1787 * c-decl.c (grokdeclarator): Don't write to fields
1790 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1793 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1795 * varasm.c (make_decl_rtl): If a register variable does not
1796 have a set user assmbler name, error out.
1797 Decode the asmspec is now name+1 bypassing '*'.
1799 2005-10-04 Steven Bosscher <stevenb@suse.de>
1801 PR tree-optimization/23049
1802 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1803 of a COND_EXPR is folded before calling fold on the whole rhs of a
1804 conditional assignment.
1805 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1806 document that a COND_EXPR may appear there.
1808 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1811 * tree-vrp.c (extract_range_from_assert): If the new numeric
1812 range created out of the assertion contradicts the existing
1813 numeric range of the ASSERT_EXPR variable, make the new range
1816 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1818 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1819 from T_REGS to FP register class.
1821 2005-10-03 Richard Henderson <rth@redhat.com>
1824 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1825 before creating a new one.
1827 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1829 * config/rs6000/t-aix43 (LDFLAGS): New.
1830 * config/rs6000/t-aix52 (LDFLAGS): New.
1832 2005-10-03 Ian Lance Taylor <ian@airs.com>
1834 * gimplify.c (find_single_pointer_decl_1): New static function.
1835 (find_single_pointer_decl): New static function.
1836 (internal_get_tmp_var): For a formal variable, set restrict base
1837 information if appropriate.
1838 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1840 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1841 (DECL_GET_RESTRICT_BASE): Define.
1842 (SET_DECL_RESTRICT_BASE): Define.
1843 (decl_restrict_base_lookup): Declare.
1844 (decl_restrict_base_insert): Declare.
1845 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1846 * tree.c (restrict_base_for_decl): New static variable.
1847 (init_ttree): Initialize restrict_base_for_decl.
1848 (copy_node_stat): Copy restrict base information.
1849 (decl_restrict_base_lookup): New function.
1850 (decl_restrict_base_insert): New function.
1851 (print_restrict_base_statistics): New static function.
1852 (dump_tree_statistics): Call print_restrict_base_statistics.
1854 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1857 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1858 case of anti-ranges.
1860 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1863 * c-typeck.c (tagged_tu_seen): Rename to ...
1864 (tagged_tu_seen_cache): this and add val field.
1865 (comptypes): Move functional to comptypes_internal
1866 and free tagged_tu_seen.
1867 (comptypes_internal): New function and call comptypes_internal
1868 instead of comptypes. Speed up by sibcalling
1869 tagged_types_tu_compatible_p.
1870 (alloc_tagged_tu_seen): New function
1871 (free_all_tagged_tu_seen_up_to): New function.
1872 (tagged_types_tu_compatible_p): Return the val of the seen two
1874 Add that the two types are the same to tagged_tu_seen_base
1875 if they are and call comptypes_internal instead of comptypes.
1876 <case UNION_TYPE>: Speed up common type where the fields are
1878 (function_types_compatible_p): Call comptypes_internal instead of
1880 (type_lists_compatible_p): Likewise.
1881 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1883 2005-10-02 Matthias Klose <doko@debian.org>
1885 * doc/invoke.texi: Fix typo and speling error.
1887 2005-10-01 Richard Henderson <rth@redhat.com>
1889 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1891 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1893 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1894 using --start-group and --end-group.
1896 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1898 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1899 FIXME note regarding quirky semantics.
1901 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1904 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1905 non-null range as a last resort.
1907 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1908 Diego Novillo <dnovillo@redhat.com>
1911 * tree-vrp.c (extract_range_from_assert): For !=
1912 assertions, only build an anti-range if LIMIT is a
1913 single-valued range.
1915 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1917 * arm.md (movqi): On thumb when optimizing, handle loading from
1918 memory by describing this as taking a subreg of a zero-extended load
1919 into an SImode register.
1922 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1924 * reload1.c (merge_assigned_reloads): Do not change any
1925 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1927 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1929 * Makefile.in (LIPO_FOR_TARGET): Define.
1930 (STRIP_FOR_TARGET): Define.
1932 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1933 before creating new ones. Do symlinks before creating the actual
1936 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1937 to work out which multilibs are actually being built.
1939 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1941 * tree-vect-transform.c, config/ms1/ms1.md,
1942 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1943 Follow spelling conventions.
1944 * doc/invoke.texi, doc/md.texi: Fix typos.
1946 2005-09-30 Andrew Macleod <amacleod@redat.com>
1948 PR tree-optimization/21430
1949 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1950 use operands, and set stmt pointer if need be.
1951 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1952 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1955 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1958 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1960 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1962 * optabs.c (expand_binop): Initialize first_pass_p.
1964 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1967 * c-decl.c (c_write_global_declarations_1): If any
1968 wrapup_global_declaration_2 call returned true, restart the loop.
1970 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1972 Fix PR tree-optimization/24117
1973 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1974 before considering whether to use anyoffset.
1976 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1980 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1982 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1984 (swap_commutative_operands_with_target): New.
1986 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1989 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1992 2005-09-29 Steven Bosscher <stevenb@suse.de>
1994 PR tree-optimization/23911
1995 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1996 and IMAGPART_EXPR too.
1998 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2001 * expmed.c (expand_shift): Move logic to reverse rotation
2002 direction when rotating by constants ...
2003 * optabs.c (expand_binop): ... here.
2004 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2005 (ix86_rotrdi3): New pattern.
2006 (rotldi3): Handle 32-bit mode.
2007 (ix86_rotldi3): New pattern.
2009 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2012 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2013 check for numbers that need no bit twiddle.
2015 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2017 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2018 multilib to be built.
2020 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2021 (stage1-start): Delete old libgcc and libunwind before moving
2022 anything into the stage directory.
2023 (stage2-start): Likewise.
2024 (stage3-start): Likewise.
2025 (stage4-start): Likewise.
2026 (stageprofile-start): Likewise.
2027 (stagefeedback-start): Likewise.
2028 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2029 header in tm_file and CPU-specific t-darwin in tmake_file.
2030 (i[34567]86-*-darwin*): Don't change tm_file.
2031 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2032 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2033 shared library stub for target OS version.
2034 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2035 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2036 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2037 (libgcc_s.%.dylib): New.
2039 (install-darwin-libgcc-stubs): New.
2040 (INSTALL_LIBGCC): New append.
2041 * config/i386/darwin-libgcc.10.4.ver: New.
2042 * config/i386/darwin-libgcc.10.5.ver: New.
2043 * config/i386/t-darwin: New.
2044 * config/rs6000/darwin-libgcc.10.4.ver: New.
2045 * config/rs6000/darwin-libgcc.10.5.ver: New.
2046 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2047 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2049 2005-09-28 Paul Brook <paul@codesourcery.com>
2051 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2054 2005-09-28 Richard Guenther <rguenther@suse.de>
2056 PR tree-optimization/23853
2057 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2058 host_integerp to verify misalignment value.
2060 2005-09-28 Richard Henderson <rth@redhat.com>
2062 * builtins.c (get_builtin_sync_mode): New.
2063 (expand_builtin_sync_operation): Pass in mode argument.
2064 (expand_builtin_compare_and_swap): Likewise.
2065 (expand_builtin_lock_test_and_set): Likewise.
2066 (expand_builtin_lock_release): Likewise.
2067 (expand_builtin): Update to match.
2069 2005-09-28 Nick Clifton <nickc@redhat.com>
2071 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2072 formatting. Add check to PLUS case to ensure that the offset is
2073 within an acceptable range.
2075 * config/v850/v850.md (casesi): Disable the generation of the
2076 switch pattern as it is not being handled properly at the moment.
2078 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2079 for when the high words are identical.
2081 2005-09-27 Richard Henderson <rth@redhat.com>
2083 * pretty-print.c (pp_base_format): Fix typo for %>.
2085 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2086 Devang Patel <dpatel@apple.com>
2088 PR tree-optimization/23625
2089 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2090 LABEL_EXPR, assertion check.
2092 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2094 * optabs.c (no_conflict_move_test): Check if a result of a
2095 to-be-moved insn would be clobbered by an originally
2098 2005-09-27 Jeff Law <law@redhat.com>
2100 * passes.c (init_optimization_passes): Replace copy propagation
2101 passes immediately after DOM with phi-only copy propagation
2102 pases. Add phi-only copy propagation pass after first DOM pass.
2103 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2104 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2105 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2106 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2107 to init_copy_prop. Callers updated.
2108 (do_phi_only_copy_prop): New function.
2109 (pass_phi_only_copy_prop): New pass descriptor.
2111 2005-09-27 Nick Clifton <nickc@redhat.com>
2113 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2115 2005-09-26 Jason Merrill <jason@redhat.com>
2118 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2120 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2122 2005-09-26 James E Wilson <wilson@specifix.com>
2124 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2125 copyright. Add gcc copyright plus libgcc exception.
2126 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2128 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2130 2005-09-26 Jeff Law <law@redhat.com>
2132 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2133 about when to iterate.
2135 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2138 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2139 for __complex__ double in -mcpu=G5 mode.
2141 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2143 PR tree-optimization/23942
2144 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2145 * tree-scalar-evolution.c: Include params.h.
2147 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2148 follow_ssa_edge_in_condition_phi_branch,
2149 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2150 Change return type to t_bool. Use a parameter to limit the size of
2151 trees that are walked before stopping
2152 (analyze_evolution_in_loop): Initialize the limit to 0.
2153 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2154 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2156 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2159 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2160 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2162 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2164 * combine.c (make_extraction): Check for valid use of subreg.
2166 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2169 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2170 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2171 ("fist<mode>2_with_temp"): Use only register operands.
2173 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2175 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2176 CALL_INSN_FUNCTION_USAGE.
2178 2005-09-26 Richard Guenther <rguenther@suse.de>
2181 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2182 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2183 (ldst_entry): Use the hashtable instead of list-walking.
2184 (find_rtx_in_ldst): Likewise.
2185 (free_ldst_entry): Free the hashtable.
2186 (compute_ld_motion_mems): Create the hashtable.
2187 (trim_ld_motion_mems): Remove entry from hashtable if
2188 removing it from list.
2189 (compute_store_table): Likewise^2.
2190 (store_motion): Free hashtable in case we did not see
2193 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2195 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2196 and arg1 if we are passing them to fold_build2.
2198 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2201 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2204 2005-09-25 Richard Henderson <rth@redhat.com>
2206 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2207 SYMBOL_REF_TLS_MODEL to be correct.
2209 2005-09-24 Richard Henderson <rth@redhat.com>
2211 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2212 end of function. Reindent.
2214 2005-09-24 Ian Lance Taylor <ian@airs.com>
2216 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2217 NEGATE_EXPR/BIT_NOT_EXPR case.
2219 2005-09-24 Richard Henderson <rth@redhat.com>
2221 * c-common.c (handle_mode_attribute): When not modifying in place,
2222 create subtypes for enumerations.
2223 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2224 * gimplify.c (create_tmp_from_val): Likewise.
2226 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2228 * config/i386/i386.md (*tls_global_dynamic_64,
2229 *tls_local_dynamic_base_64): Add missing mode to call.
2230 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2232 2005-09-24 Jan Hubicka <jh@suse.cz>
2234 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2235 (cgraph_clone_node): Likewise.
2236 * cgraph.h (cgraph_clone_edge): Update prototype.
2237 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2238 duplicated prototypes; add updating argument.
2239 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2240 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2242 (cgraph_mark_inline_edge): Likewise.
2243 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2244 (cgraph_flatten_node): Likewise.
2245 (cgraph_decide_recursive_inlining): Likewise.
2246 (cgraph_decide_inlining_of_small_function): Likewise.
2247 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2249 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2250 Pete Steinmetz <steinmtz@us.ibm.com>
2252 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2253 (rldic.): Set type to "compare".
2255 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2256 mfjmpr for MFCTR/MFLR.
2257 (movdf_hardfloat64): Same.
2258 (movdf_softfloat64): Same. Correct order of store and move types.
2259 (movti_string): Set type to store_ux/load_ux.
2260 (load_multiple): Set type to load_ux.
2261 (store_multiple): Set type to store_ux.
2262 (movmemsi): Set type to store_ux.
2263 (output_cbranch direct_return): Set type to jmpreg.
2264 (stmw): Set type to store_ux.
2265 (lmw): Set type to load_ux.
2266 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2267 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2268 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2269 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2270 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2271 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2272 (rios1-fpstore): Increase latency to 3.
2273 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2274 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2276 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2277 Andrew Pinski <pinskia@physics.uc.edu>
2279 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2280 operand2 constraint to "b".
2281 (sync_<fetchop_name>di_internal): Same.
2282 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2284 (sync_old_<fetchop_name>di_internal): Same.
2285 (sync_new_<fetchop_name>si_internal): Same.
2286 (sync_new_<fetchop_name>di_internal): Same.
2288 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2291 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2292 case, define as macros.
2294 PR rtl-optimization/23837
2295 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2296 clobber / clobber match between dest and p->first.
2298 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2299 (no_conflict_move_test): Update comments.
2301 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2303 * doc/install.texi: Update URL for Jacks.
2304 * doc/sourcebuild.texi: Likewise.
2306 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2309 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2310 registers when choosing register preferences.
2311 (movdf_hardfloat64): Same.
2313 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2315 * expmed.c (expand_shift): Don't use the target of the rotate as
2316 target for the first expanded shift insn.
2317 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2319 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2321 PR tree-optimization/22438
2322 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2323 preserved iv rhs rewriting specially.
2325 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2327 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2328 estimate_only is true.
2329 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2330 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2331 tree-ssa-structalias.c
2332 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2333 ref_contains_indirect_ref.
2334 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2336 2005-09-21 DJ Delorie <dj@redhat.com>
2338 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2340 (mn10300_return_in_memory): Support variable size types also.
2341 (mn10300_pass_by_reference): Likewise.
2342 (mn10300_function_value): New.
2343 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2344 (FUNCTION_OUTGOING_VALUE): Likewise.
2345 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2346 * doc/invoke.texi: Document it.
2348 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2351 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2352 force integer op1 into register for XFmode compares.
2354 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2357 * expmed.c (alg_code): Add alg_impossible.
2358 (alg_hash_entry): Add cost.
2359 (synth_mult): Record alg_impossible in the hash table if
2360 multiplication by a given integer is impossble within the
2361 limit. Speed up using alg_impossible.
2363 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2365 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2366 argument. Allow and set any offset if needs_anyoffset is passed
2368 (get_constraint_for): Add argument here too.
2370 (do_structure_copy): Pass NULL to get_constraint_for.
2371 (handle_ptr_arith): Ditto.
2372 (find_func_aliases): Ditto.
2374 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2376 PR rtl-optimization/23898
2377 * output.h (get_attr_min_length): Declare.
2378 * final.c (get_attr_length_1): New function, broken out of:
2380 (get_attr_min_length): New function.
2381 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2382 (duplicate_computed_gotos): Likewise.
2383 * genattr.c (insn_min_length): Generate declaration.
2384 * genattrtab.c (min_fn, min_attr_value): New functions.
2385 (make_length_attrs): Generate insn_min_length.
2387 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2389 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2391 2005-09-20 Richard Henderson <rth@redhat.com>
2393 PR tree-optimization/24059
2394 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2397 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2399 * c.opt (fextended-identifiers): New.
2400 * c-opts.c (c_common_handle_option): Handle
2401 -fextended-identifiers.
2402 * doc/cpp.texi: Update documentation of extended identifiers.
2403 * doc/cppopts.texi (-fextended-identifiers): Document.
2405 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2407 PR tree-optimization/23929
2408 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2411 PR tree-optimization/23818
2412 * tree-stdarg.c (execute_optimize_stdarg): Call
2413 calculate_dominance_info.
2415 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2417 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2418 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2419 (compute_overlap_steps_for_affine_1_2): Use
2420 get_number_of_iters_for_loop.
2421 (analyze_subscript_affine_affine): Check whether difference is
2423 Use get_number_of_iters_for_loop.
2424 Check whether overlap occurs outside of bounds.
2425 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2427 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2429 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2430 base register if possible.
2432 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2434 PR tree-optimization/18463
2435 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2436 converting it directly is not possible.
2437 (chrec_convert_aggressive): New function.
2438 * tree-chrec.h (chrec_convert_aggressive): Declare.
2439 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2440 Fold chrec conversions aggressively if asked to.
2441 (instantiate_parameters): Modified because of changes in
2442 instantiate_parameters_1.
2444 2005-09-19 Richard Henderson <rth@redhat.com>
2446 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2447 (reduc_splus_v2df): New.
2449 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2451 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2452 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2454 2005-09-19 Richard Henderson <rth@redhat.com>
2456 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2459 2005-09-19 Richard Henderson <rth@redhat.com>
2461 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2462 (ia64_expand_dot_prod_v8qi): New.
2463 * config/ia64/ia64-protos.h: Update.
2464 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2465 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2466 sdot_prodv8qi, sdot_prodv4hi): New.
2467 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2469 2005-09-19 Richard Henderson <rth@redhat.com>
2472 * real.c (exact_real_truncate): Return false if the format cannot
2473 represent the number as a normal.
2475 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2476 for a memory source.
2478 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2480 * tree-ssa-operands.c (swap_tree_operands): Export.
2481 * tree.h (swap_tree_operands): Declare.
2482 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2483 Call swap_tree_operands.
2485 2005-09-19 Richard Henderson <rth@redhat.com>
2487 * tree-flow.h (merge_alias_info): Declare.
2488 * tree-ssa-copy.c (merge_alias_info): Export.
2489 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2490 (vect_create_data_ref_ptr): Use create_iv directly.
2491 (vectorizable_load): Use correct types for integer constants.
2492 (vect_generate_tmps_on_preheader): Likewise.
2493 (vect_gen_niters_for_prolog_loop): Likewise.
2495 2005-09-19 Steven Bosscher <stevenb@suse.de>
2497 PR rtl-optimization/23943
2498 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2500 2005-09-18 Jan Hubicka <jh@suse.cz>
2502 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2504 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2506 * varasm.c (output_constant): Do not abort on conversions to union
2507 types between different sizes.
2509 2005-09-18 Richard Guenther <rguenther@suse.de>
2512 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2515 2005-09-18 Paul Brook <paul@codesourcery.com>
2517 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2519 2005-09-17 Richard Henderson <rth@redhat.com>
2521 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2522 * tree-ssa-loop.c (pass_vect_dce): Remove.
2523 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2526 2005-09-17 Richard Henderson <rth@redhat.com>
2528 * tree-pass.h (pass_vect_dce): Declare.
2529 * passes.c (init_optimization_passes): Add it.
2530 * tree-flow.h (tree_ssa_dce): Declare.
2531 * tree-ssa-dce.c (tree_ssa_dce): Export.
2532 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2533 (gate_tree_vectorize): ... here.
2534 (pass_vect_dce): New.
2536 2005-09-17 Jan Hubicka <jh@suse.cz>
2538 * except.c (struct eh_status): Turn region_array into vec.
2539 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2540 convert_from_eh_region_ranges, find_exception_handler_labels,
2541 current_function_has_exception_handlers, assign_filter_values,
2542 build_post_landing_pads, dw2_build_landing_pads,
2543 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2544 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2545 foreach_reachable_handler, can_throw_internal_1,
2546 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2548 (duplicate_eh_region_1): Update region_array.
2549 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2551 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2554 * expmed.c (expand_mult): Substitute simple register for op0 when
2557 2005-09-17 Richard Henderson <rth@redhat.com>
2559 * expr.c (emit_move_via_integer): Add force argument, pass it on
2560 to emit_move_change_mode. Update callers.
2561 (emit_move_complex): Pass true to new force argument.
2562 * function.c (expand_function_end): Move expand_eh_return call
2563 earlier. Merge sub-word complex values into a pseudo before
2564 copying to the return hard register.
2566 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2568 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2569 between different sizes.
2571 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2575 * passes.c (init_optimization_passes): Register dump files for
2578 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2580 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2581 * config/s390/s390.c (s390_overlap_p): New function.
2582 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2583 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2586 2005-09-16 Richard Guenther <rguenther@suse.de>
2588 * ipa-pure-const.c (static_execute): Free auxiliar information.
2589 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2590 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2592 2005-09-15 DJ Delorie <dj@redhat.com>
2594 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2596 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2598 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2600 (swap_commutative_operands_with_target): New.
2602 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2604 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2607 (estimate_iters_using_array): New function.
2608 * tree-data-ref.h (estimate_iters_using_array): Prototype
2609 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2610 Use estimate_iters_using_array instead of analyze_array.
2612 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2614 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2617 2005-09-15 Michael Matz <matz@suse.de>
2619 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2621 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2623 PR tree-optimization/23835
2624 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2625 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2627 2005-09-14 Richard Henderson <rth@redhat.com>
2629 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2630 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2632 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2634 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2635 in the ARRAY_TYPE case.
2637 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2639 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2641 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2644 * tree-vect-transform.c (vectorizable_operation): Return false for
2645 scalar shift operations and for vector shift operations with
2646 non-invariant shift arguments. Use scalar tree operand op1 as
2647 a shift operand when vector shift insn pattern uses scalar shift
2649 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2651 2005-09-14 Olivier Hainque <hainque@adacore.com>
2653 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2654 value if it has side-effects.
2656 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2659 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2661 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2663 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2664 passed as NAME as if it were label at start of function code.
2666 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2668 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2671 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2673 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2674 as early clobber. Rewrite so the PIC register is not implicitly used.
2676 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2678 * tree.c (annotate_with_file_line): Compare line numbers before
2681 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2684 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2685 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2687 2005-09-13 Ian Lance Taylor <ian@airs.com>
2689 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2690 than a HOST_WIDEST_INT to gen_doloop_begin.
2692 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2694 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2696 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2698 PR tree-optimize/23817
2699 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2701 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2704 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2705 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2706 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2707 (restore_stack_nonlocal): Likewise.
2708 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2710 2005-09-12 Ian Lance Taylor <ian@airs.com>
2713 * c.opt (ffriend-injection): New C++ option.
2714 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2715 (C++ Dialect Options): Document -ffriend-injection.
2717 2005-09-12 Josh Conner <jconner@apple.com>
2720 * ipa-reference.c (static_execute): Don't mark variables in
2721 named sections TREE_READONLY.
2723 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2725 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2728 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2730 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2731 V_MUST_DEF instead of just the first_use_p.
2732 Don't mark the virtual variables for renaming on the statement which
2734 (pass_dse): Remove TODO_update_ssa.
2736 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2739 * stor-layout.c (compute_record_mode): For records with a single
2740 field, actually check the field's mode size against the type size.
2742 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2743 registers for TARGET_SHMEDIA.
2744 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2745 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2746 of GENERAL_REGS and FP_REGS.
2748 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2750 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2752 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2754 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2755 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2756 are omitted. Exclude stack_tie insn too.
2758 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2760 PR rtl-optimization/23098
2761 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2763 * config/rs6000/rs6000.md (movdf splitter): Use
2764 const_double_operand predicate for TARGET_POWERPC64.
2765 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2766 SYMBOL_REF method to ABI_V4.
2768 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2769 replace_equiv_address.
2770 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2771 rs6000_sr_alias_set and MEM_NOTRAP.
2772 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2774 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2776 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2777 handle CALL_EXPR again.
2779 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2781 * arm/predicates.md (alignable_memory_operand): Delete.
2783 2005-09-10 Richard Henderson <rth@redhat.com>
2786 * dbxout.c (dbxout_expand_expr): New.
2787 (dbxout_symbol): Use it.
2789 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2791 * arm.c (arm_gen_rotated_half_load): Delete.
2792 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2793 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2794 (thumb_set_return_address): Likewise.
2795 (thumb_load_double_from_address): Use adjust_address.
2796 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2797 (extendhsisi2_mem, movhi_bytes): Use change_address.
2798 (movhi): Use widen_memory_access.
2799 (reload_out_df): Use replace_equiv_address.
2800 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2802 2005-09-09 Richard Henderson <rth@redhat.com>
2805 * dbxout.c: Include expr.h.
2806 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2807 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2808 * Makefile.in (dbxout.o): Add EXPR_H.
2810 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2812 PR tree-optimization/23509
2813 * tree-cfg.c (replace_uses_by): Use replace_exp.
2814 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2815 pointers have name_mem_tag or type_mem_tag set.
2817 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2819 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2820 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2821 of wrongly accessing operands.
2823 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2825 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2826 * tree-chrec.c: Include tree-scalar-evolution.h.
2827 (chrec_convert): Instantiate the base and step before calling
2828 scev_probably_wraps_p that would fail on parametric evolutions.
2829 Collect all the fails into a single section failed_to_convert,
2830 print a diagnostic, and return chrec_dont_know instead of calling
2832 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2833 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2835 (scev_const_prop): Don't replace the definition of a loop closed ssa
2836 phi node by itself, or by another loop closed ssa phi node.
2837 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2838 that base and step are defined.
2840 2005-09-09 Richard Guenther <rguenther@suse.de>
2843 * fold-const.c (fold_ternary): Check truth_value_p before
2844 calling invert_truthvalue.
2846 2005-09-09 Nick Clifton <nickc@redhat.com>
2848 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2849 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2850 dimension of these arrays.
2851 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2853 * longlong.h: Only provide a prototype for the __clz_tab[] array
2854 if this header has not been included from libgcc2.h.
2855 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2857 Provide prototypes for exported functions.
2858 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2861 2005-09-08 Josh Conner <jconner@apple.com>
2865 * expr.c (expand_expr_addr_expr_1): Don't invoke
2866 expand_simple_binop for EXPAND_INITIALIZER.
2868 2005-09-08 Richard Henderson <rth@redhat.com>
2871 * toplev.c (wrapup_global_declaration_1): Split out ...
2872 (wrapup_global_declaration_2): ... from ...
2873 (wrapup_global_declarations): ... here. Return bool.
2874 (check_global_declaration_1): Split out ...
2875 (check_global_declarations): from here.
2876 (emit_debug_global_declarations): New.
2877 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2878 check_global_declaration_1, emit_debug_global_declarations): Declare.
2879 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2880 of decls. Call wrapup_global_declaration_1,
2881 wrapup_global_declaration_2, check_global_declaration_1 directly.
2882 (c_write_global_declarations_2): New.
2884 (c_write_global_declarations): Call c_write_global_declarations_2.
2885 * langhooks.c (write_global_declarations): Call
2886 emit_debug_global_declarations.
2888 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2889 remove decls that have DECL_RTL_SET_P.
2890 * passes.c (rest_of_decl_compilation): Invoke
2891 cgraph_varpool_finalize_decl for all but functions.
2893 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2895 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2896 the result of a conversion if the new min and max cannot be compared.
2898 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2900 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2901 (override_options): Setting s390_sr_alias_set removed.
2902 (save_fpr, save_gprs): Set alias set to vararg or frame.
2903 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2904 s390_sr_alias_set with get_frame_alias_set ().
2905 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2906 get_varargs_alias_set ().
2908 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2912 * c-parser.c (c_parser_objc_method_definition): If the next
2913 token is not "{", error out and don't start the function.
2915 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2917 * tree-vrp.c (extract_range_from_expr): Move the check for non
2918 nullness after the check for gimple invariant.
2920 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2922 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2924 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2927 * config/m32r.md (movmemsi_internal): Canonicalize order of
2928 operands in PLUS component of template.
2930 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2932 * reload1.c (fixup_eh_region_note): Remove assertion.
2933 (fixup_abnormal_edges): Reverted removal of call to
2934 find_many_sub_basic_blocks made on 2005-08-31.
2936 2005-09-07 Richard Henderson <rth@redhat.com>
2938 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2939 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2940 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2941 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2942 rearrange for better packing.
2943 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2944 (lookup_cfa_1): Remove inline marker.
2945 (cfa_equal_p): Split out of ...
2946 (def_cfa_1): ... here. Use INVALID_REGNUM.
2947 (build_cfa_loc): Handle !cfa->indirect.
2948 (frame_pointer_cfa_offset): New.
2949 (dbx_reg_number): Assert register elimination performed; do
2950 leaf register remapping.
2951 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2952 (eliminate_reg_to_offset): New.
2953 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2954 for verifiably local stack frame addresses; re-base to CFA.
2955 (mem_loc_descriptor): Remove can_use_fbreg argument.
2956 (concat_loc_descriptor, loc_descriptor): Likewise.
2957 (containing_function_has_frame_base): Remove.
2958 (rtl_for_decl_location): Don't do register elimination or
2959 leaf register remapping here.
2960 (secname_for_decl): Split out from ..
2961 (add_location_or_const_value_attribute): ... here.
2962 (convert_cfa_to_loc_list): New.
2963 (compute_frame_pointer_to_cfa_displacement): New.
2964 (gen_subprogram_die): Use them.
2965 * tree.h (frame_base_decl): Remove.
2966 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2967 (prologue_stack_adjust): Remove.
2968 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2969 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2970 (set_frame_base_location): Remove.
2971 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2972 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2973 (vt_add_function_parameters): Don't eliminate_regs.
2974 (vt_initialize): Don't create frame_base_decl.
2976 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2978 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2979 version of GNU binutils for 4.x and later.
2981 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2983 * ggc-page.c (ggc_push_context): Remove.
2984 (ggc_pop_context): Likewise.
2985 * ggc.h (ggc_push_context): Remove.
2986 (ggc_pop_context): Likewise.
2988 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2991 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2992 returning from an interrupt handler.
2994 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2997 * config/arc/arc.c (output_shift): Add check for loop count when
3000 2005-09-06 Steven Bosscher <stevenb@suse.de>
3002 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3004 (abs_replacement): Likewise.
3005 (pass_phiopt): Remove TODO_update_ssa.
3007 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3010 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3011 if "return with no value, in function returning non-void" warning
3013 * tree-cfg.c (execute_warn_function_return): Don't look at
3014 RETURN_EXPRs with TREE_NO_WARNING set.
3017 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3018 for internal functions doesn't use registers used by global registers
3019 variables. Use fewer register parameters if there are global register
3022 2005-09-06 Olivier Hainque <hainque@adacore.com>
3023 Eric Botcazou <ebotcazou@adacore.com>
3026 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3027 when we would be extracting outside its bit span (bitpos+bitsize
3028 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3029 Ada unchecked conversions.
3031 2005-09-06 Steven Bosscher <stevenb@suse.de>
3033 * tree-ssa-pre.c (try_look_through_load): New function.
3034 (compute_avail): Use it to try to look through loads for some
3035 more useful expressions.
3037 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3039 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3040 condition for detecting cases like (a&a) and (a^a).
3042 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3044 * common.opt: Add option ftree-vect-loop-version.
3045 * params.def: Add --param vect-max-version-checks.
3046 * doc/invoke.texi: Document ftree-vect-loop-version and
3047 --param vect-max-version-checks.
3048 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3049 may_misalign_stmts and defines for accessors.
3050 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3051 LOOP_VINFO_MAY_MISALIGN_STMTS.
3052 (destroy_loop_vec_info): VEC_free for
3053 LOOP_VINFO_MAY_MISALIGN_STMTS.
3054 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3055 Update documentation.
3056 (vect_update_misalignment_for_peel): New.
3057 (vect_enhance_data_refs_alignment): Update to choose loop
3058 peeling or loop versioning if appropriate for the (potentially)
3059 unaligned data references in the loop.
3060 (vect_analyze_data_refs_alignment): Remove call to
3061 vect_enhance_data_refs_alignment so the checks can be done
3063 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3064 and move up call to vect_analyze_data_refs_alignment.
3065 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3066 (vect_transform_loop): Add call to loop_version.
3068 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3070 PR rtl-optimization/23098
3071 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3072 * simplify-rtx.c (constant_pool_reference_p): New function.
3073 * rtl.h (constant_pool_reference_p): New prototype.
3074 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3075 constant_pool_reference_p in condition and
3076 avoid_constant_pool_reference in preparation statements.
3078 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3080 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3081 STRICT_LOW_PART SETs.
3083 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3086 * except.c (sjlj_emit_function_enter): Find the function begin
3087 note even when it's not in first basic block.
3089 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3091 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3092 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3093 * aclocal.m4: Regenerate.
3095 2005-09-05 DJ Delorie <dj@redhat.com>
3097 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3100 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3102 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3103 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3104 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3105 Follow spelling conventions.
3106 * doc/invoke.texi: Follow spelling conventions.
3108 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3110 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3111 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3112 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3114 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3117 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3118 (output_stack_adjust): Use gen_tmp_stack_mem.
3119 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3120 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3121 (sh_get_pr_initial_val): Likewise.
3122 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3123 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3124 * sh.md (divsi_inv_m0): Use gen_const_mem.
3125 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3126 (movdf_i4+1): Use gen_tmp_stack_mem.
3127 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3128 (fpu_switch+2): Likewise.
3129 (movv4sf_i, movv16sf_i): Use adjust_address.
3130 (symGOT_load): Set MEM_NOTRAP_P bit.
3132 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3135 * pa.c (emit_move_sequence): Fix typo in last change.
3137 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3139 PR rtl-optimization/23454
3140 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3143 2005-09-03 Richard Henderson <rth@redhat.com>
3144 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3147 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3150 2005-09-02 Nicolas Pitre <nico@cam.org>
3152 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3153 to bit_count to 32 bits.
3155 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3158 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3159 generating synthetic loads from volatile lvalues.
3161 005-09-02 Nick Clifton <nickc@redhat.com>
3163 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3164 __ctzhi2, __clzhi2): New functions.
3166 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3169 * tree-nested.c (struct var_map_elt): Mark with GTY.
3170 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3172 (lookup_field_for_decl): Allocate new element in GC memory.
3173 (lookup_tramp_for_decl): Likewise.
3174 (convert_nl_goto_reference): Likewise
3175 (create_nesting_tree): Allocate info in GC memory. Likewise for
3177 (free_nesting_tree): Free with ggc_free instead of free.
3178 (root): New static variable.
3179 (lower_nested_functions): Remove root as local variable. And zero out
3180 root at the end of the function.
3182 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3184 PR rtl-optimization/20365
3185 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3186 to short. New member ix.
3187 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3188 (simplify_plus_minus): Initialize ix members before calling qsort.
3190 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3192 PR tree-optimization/23626
3193 * tree-cfg.c (replace_uses_by): Clean up eh info.
3195 2005-09-01 DJ Delorie <dj@redhat.com>
3197 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3200 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3202 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3203 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3206 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3208 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3209 do not issue warning for a variable definition following
3212 2005-09-01 Richard Henderson <rth@redhat.com>
3215 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3216 conversion to CONST_VECTOR.
3218 2005-09-01 Richard Henderson <rth@redhat.com>
3221 * reload1.c (reload_as_needed): Check !CALL_P before calling
3222 fixup_eh_region_note.
3223 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3225 2005-09-01 DJ Delorie <dj@redhat.com>
3227 * varasm.c (output_constant): Let the target resolve
3228 conversions of addresses to non-default pointer sizes.
3230 2005-09-01 Nicolas Pitre <nico@cam.org>
3232 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3233 to alow matching ARM pre-indexed addressing mode.
3234 (arm_override_options): Remove now irrelevant comment.
3236 2005-09-01 Phil Edwards <phil@codesourcery.com>
3238 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3239 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3240 * config/i386/vxworks.h: Likewise.
3241 * config/i386/t-vxworksae: New file, for VxWorks AE.
3242 * config/i386/vxworksae.h: Likewise.
3244 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3246 PR tree-optimization/23410
3247 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3248 sequence is not wrapping during the first step.
3250 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3253 * dwarf2out.c (base_type_die): Compare char_type_node with
3254 TYPE_MAIN_VARIANT (type), not type.
3256 2005-09-01 Richard Guenther <rguenther@suse.de>
3258 PR tree-optimization/15366
3259 * common.opt: Add -finline-functions-called-once.
3260 Put -fearly-inlining in alphabetically ordered place.
3261 * doc/invoke.texi: Document new option.
3262 * ipa-inline.c (cgraph_decide_inlining): Honour
3263 flag_inline_functions_called_once.
3265 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3267 PR rtl-optimization/23478
3268 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3269 (alloc_qty): Initialize it.
3270 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3271 (combine_regs): Combine also n_throwing_calls_crossed fields.
3272 (find_free_reg): Don't attempt to caller-save pseudos crossing
3273 calls that might throw.
3274 * global.c (struct allocno): Add throwing_calls_crossed field.
3275 (global_alloc): Revert 2005-08-22 change. Initialize
3276 throwing_calls_crossed.
3277 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3280 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3283 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3284 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3285 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3286 (and64_2_operand): Tweak to use predicate.
3287 (and_operand): Adjust for mask_operand changes.
3288 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3289 (print_operand): Likewise.
3290 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3291 (mask64_1or2_operand): Delete.
3292 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3293 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3294 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3295 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3296 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3297 (rotldi3_internal4): Likewise.
3298 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3299 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3300 (ashldi3_internal7): Likewise.
3301 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3302 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3303 (anddi3 split): Don't match mask64_operand.
3304 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3305 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3306 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3307 't' splitter predicate.
3308 (movdi_internal64 + 2): Revert 2005-06-11 change.
3310 2005-08-31 DJ Delorie <dj@redhat.com>
3312 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3313 (m32c_asm_integer): Add support for 32 bit pointers.
3315 2005-08-31 Richard Henderson <rth@redhat.com>
3317 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3318 component-like references for setting MEM_NOTRAP_P.
3320 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3321 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3323 2005-08-31 Richard Henderson <rth@redhat.com>
3325 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3326 into a pseudo before applying gen_lowpart.
3328 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3330 * doc/install.texi (Specific): Update cctools version required
3331 for full functionality.
3332 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3333 linkers as -macosx_version_min.
3335 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3338 * sh.c (print_operand, %R and %S): Add handling of floating point
3339 registers, memory, constants and invalid operands.
3341 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3343 * ipa-pure-const.c: Change dump name.
3345 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3348 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3349 to "reg_or_0_operand".
3350 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3352 2005-08-31 Dale Johannesen <dalej@apple.com>
3354 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3355 loops that count down.
3357 2005-08-31 Richard Henderson <rth@redhat.com>
3360 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3361 (fixup_eh_region_note): New.
3362 (reload_as_needed): Call it.
3363 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3364 don't call find_many_sub_basic_blocks; call verify_flow_info.
3365 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3366 (keep_stack_depressed): Likewise.
3367 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3369 2005-08-31 Richard Henderson <rth@redhat.com>
3371 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3374 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3376 * expr.c (expand_expr_real_1): Compare size of address
3377 mode to target's address mode size in deciding expansion of
3378 the constant address.
3380 2005-08-31 Richard Guenther <rguenther@suse.de>
3383 * expr.c (all_zeros_p): New function.
3384 (expand_expr_real_1): Handle the case of an all-zero
3385 non-addressable constructor separately.
3387 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3389 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3390 arguments, adjust all callers.
3391 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3393 2005-08-30 Richard Henderson <rth@redhat.com>
3396 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3397 whenever the mode sizes match.
3399 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3401 * calls.c (load_register_parameters): Fix comment typo.
3402 * expr.c (emit_push_insn): Comment formatting.
3404 2005-08-30 Ian Lance Taylor <ian@airs.com>
3406 * config/i386/x-cygwin (host-cygwin): Change dependency from
3407 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3409 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3411 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3414 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3417 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3418 call to ggc_collect.
3420 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3423 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3424 beginning. Remove $(INCLUDES) from all the rules, if following
3425 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3427 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3430 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3431 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3432 not constant, but maxlen is, don't set len to maxlen, rather
3433 set maxlen to len if len is a constant.
3435 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3437 PR tree-optimization/23475
3438 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3441 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3443 Fix PR middle-end/22455
3445 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3446 Checksum only the parts of the tree that exist for the tree code.
3448 2005-08-28 Dale Johannesen <dalej@apple.com>
3450 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3452 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3454 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3456 2005-08-28 Richard Henderson <rth@redhat.com>
3458 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3459 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3462 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3465 * builtins.c (get_memory_rtx): Don't strip nops
3466 in between COMPONENT_REFs.
3468 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3471 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3473 (gimplify_modify_expr): Check for zero sized types and gimplify the
3474 rhs and lhs as statements.
3476 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3479 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3480 state for return address column of signal frames.
3482 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3485 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3486 bytes >= 2 not bytes == 2.
3487 (expand_block_move): Same.
3489 2005-08-27 Richard Guenther <rguenther@suse.de>
3492 * config/i386/sse.md (sse2_movsd): Add missing closing
3495 2005-08-27 Paul Brook <paul@codesourcery.com>
3497 * genrecog.c (enum decision_type): Add DT_num_insns.
3498 (struct decision_test): Add u.num_insns.
3499 (add_to_sequence): Add DT_num_insns test.
3500 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3501 (write_cond, debug_decision_2): Ditto.
3502 (change_state): Assume peep2_next_insn never fails.
3503 Remove "afterward" argument.
3504 (write afterward, write_tree): Update to match.
3505 * recog.c (peep2_current_count): New variable.
3506 (peep2_next_insn): Check it.
3507 (peephole2_optimize): Set peep2_current_count.
3508 * recog.h (peep2_current_count): Declare.
3510 2005-08-26 Josh Conner <jconner@apple.com>
3513 * ipa-pure-const.c (check_tree): Check for volatile-ness
3514 when considering a dereference.
3516 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3518 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3520 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3522 PR rtl-optimization/23561
3523 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3524 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3525 at most LEN bytes long memory fits into the field.
3526 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3527 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3528 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3530 2005-08-26 Richard Henderson <rth@redhat.com>
3533 * loop.c (biased_biv_may_wrap_p): New.
3534 (maybe_eliminate_biv_1): Use it to suppress non-equality
3535 comparison transformations. Delete disabled code.
3537 2005-08-26 Ian Lance Taylor <ian@airs.com>
3539 * combine.c (make_extraction): Avoid reference outside object.
3541 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3543 * stor-layout.c (finalize_type_size): Restore behaviour for
3544 non-aggregate types to the status quo ante of the patch for
3545 pr 23467. Document why it matters.
3547 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3550 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3551 array by one element, initialize the BT_LAST element with NULL.
3553 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3555 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3556 optimizing for size.
3558 (compare_plus_eqsi): Same.
3559 (plus_eqsi_compare): Same.
3560 (neg_eq0<mode>): Same.
3561 (neg_eq<mode>): Same.
3563 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3566 2005-08-26 Nick Clifton <nickc@redhat.com>
3568 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3569 TARGET_EP is not defined.
3570 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3571 TARGET_EP is enabled.
3572 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3573 * config/v850/v850.md (save_all_interrupt): Only use the EP
3574 register if TARGET_EP is defined.
3575 (restore_all_interrupt): Likewise.
3576 * config/v850/lib1funcs.asm: Update functions so that the EP
3577 register is only used if __EP__ is defined.
3579 2005-08-26 David Ung <davidu@mips.com>
3581 * config/mips/mips.c (mips_expand_prologue): Handle case when
3582 generating for MIPS16 and the outgoing argument area is more than
3583 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3586 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3588 * config/crx/crx.md: Make doloop_end pattern usage controllable
3589 via mloop-nesting=<max-nesting> command line switch. Make sure
3590 the combiner cannot use doloop_end_<mode> in an illegal way.
3591 * config/crx/crx.c: Use regs up to r6 for argument passing.
3592 Refine crx_address_cost (non cst4 displacements are expensive).
3593 * config/crx/crx.opt: Add switch for mloop-nesting=.
3595 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3597 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3598 (UNSPEC_MVST): New constant.
3600 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3602 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3603 Reject operands containing eliminable registers.
3604 * testsuite/gcc.dg/20050825-1.c: New testcase.
3606 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3607 Jan Hubicka <jh@suse.cz>
3609 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3611 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3613 PR tree-optimization/23546
3614 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3617 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3619 * params.def (PARAM_MIN_SPEC_PROB): New.
3620 * sched-rgn.c (MIN_PROBABILITY): Delete.
3621 (compute_trg_info): Convert to PARAM_VALUE.
3622 * doc/invoke.texi (param): Document min-spec-prob.
3624 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3626 * config/darwin.h: define __PIC__
3627 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3628 TARGET_OS_CPP_BUILTINS macro.
3630 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3632 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3635 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3637 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3639 * cfghooks.c (duplicate_block): Added position where to place
3640 new block as argument.
3641 * cfghooks.h (duplicate_block): Declaration changed.
3642 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3644 * cfglayout.h (copy_bbs): Declaration changed.
3645 * cfgloop.h (loop_version): Declaration changed.
3646 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3647 position to copy_bbs.
3648 (loop_version): Pass position to duplicate_loop_to_header_edge.
3649 Add place_after argument and position new blocks according to
3651 * modulo-sched.c (sms_schedule): Pass place_after argument
3653 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3654 * tree-cfg.c (split_edge_bb_loc): New function.
3655 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3656 to determine position of new blocks.
3657 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3659 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3660 argument to duplicate_block.
3661 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3662 Pass position to copy_bbs.
3664 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3666 * fold-const.c (ptr_difference_const): Use
3667 cst_and_fits_in_hwi instead of host_integerp.
3669 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3671 * config/darwin.c (gen_pic_offset): New.
3672 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3675 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3677 PR tree-optimization/23486
3678 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3680 2005-08-23 Phil Edwards <phil@codesourcery.com>
3682 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3683 remove use_collect2.
3684 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3686 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3687 configuration files to override the default value.
3689 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3690 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3691 * config/vx-common.h: New file, split out from...
3692 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3693 * config/vxworksae.h: New file, for VxWorks AE.
3694 * config/vxworks.opt: New file.
3695 * config/vxlib.c: Update for VxWorks 6.
3697 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3698 other MULTILIB_* variables appropriately.
3699 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3700 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3701 * config/rs6000/vxworks.h: Update for VxWorks 6.
3702 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3704 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3707 * config/darwin.c (machopic_select_section): Remove the hack to
3708 mark "::operator new" and "::operator delete" for coalescing
3709 even though they are not weak.
3711 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3713 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3714 * configure: Regenerate.
3716 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3719 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3721 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3722 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3725 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3727 * config/rs6000/predicates.md (equality_operator): New.
3728 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3729 comparison with a large constant.
3731 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3733 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3735 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3737 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3738 registers is even, and we have a hardware double precision fp,
3740 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3741 size of current argument when checking if argument was passed in
3744 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3747 * stor-layout.c (finalize_type_size): Dont override
3748 existing alignment with a smaller alignment from the mode.
3750 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3752 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3753 * lambda.h (lambda_vector_lexico_pos): ... here.
3754 * tree-data-ref.c (build_classic_dist_vector): Return false when
3755 the distance vector is lexicographically negative.
3757 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3759 PR tree-optimization/23511
3760 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3761 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3763 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3765 PR tree-optimization/22043
3766 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3767 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3768 If ALLOW_FLEXARR, handle types ending with flexible array member.
3769 Pass false as second argument to recursive count_type_elements calls.
3770 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3771 argument to count_type_elements call.
3772 * tree-sra.c (decide_block_copy): Likewise.
3773 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3774 for a constant-sized object, set cleared as well. Pass true as
3775 second argument to count_type_elements call.
3777 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3780 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3781 from legitimate_small_data_p, and make global. Update use.
3782 Remove forward declaration.
3783 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3785 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3787 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3789 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3790 of scratch intermediates.
3791 (eq<mode>_compare): Same.
3792 (neg_eq0<mode>): New.
3793 (neg_eq<mode>): Convert to define_insn_and_split.
3795 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3798 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3799 stdarg functions, set/clear the fp marker even when no variable
3801 * config/rs6000/sysv4.opt (mprototype): Describe.
3803 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3805 PR rtl-optimization/23478
3806 * regs.h (reg_info): Add throw_calls_crossed.
3807 (REG_N_THROWING_CALLS_CROSSED): Define.
3808 * flow.c (allocate_reg_life_data): Initialize
3809 REG_N_THROWING_CALLS_CROSSED.
3810 (propagate_one_insn, attempt_auto_inc): Update
3811 REG_N_THROWING_CALLS_CROSSED.
3812 * global.c (global_alloc): Don't allocate pseudos across
3813 calls that may throw.
3815 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3818 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3819 value is inbetween the range if we did not find an exact match.
3821 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3823 * doc/invoke.texi (Option Summary): Add ms1 options.
3824 * doc/extend.texi: Document interrupt handler attribute for ms1.
3825 * doc/md.texi: Document ms1 constraints.
3826 * config.gcc: Add ms1-*-elf.
3827 * config/ms1/ms1.h: New.
3828 * config/ms1/ms1.c: New.
3829 * config/ms1/ms1.md: New.
3830 * config/ms1/ms1-protos.h: New.
3831 * config/ms1/ABI.txt: New.
3832 * config/ms1/crti.asm: New.
3833 * config/ms1/crtn.asm: New.
3834 * config/ms1/lib2extra-funcs.c: New.
3835 * config/ms1/t-ms1: New.
3836 * config/ms1/ms1.opt: New.
3838 2005-08-22 Ira Rosen <irar@il.ibm.com>
3840 * config/rs6000/altivec.md (xorv4sf3): New.
3841 (negv4sf2, neg<mode>2): Likewise.
3843 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3846 * config/ia64/ia64.md (divsi3): Check divide by zero.
3847 (udivsi3): Likewise.
3849 (udivdi3): Likewise.
3851 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3853 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3854 up to elem_bitsize bits, not max_bitsize.
3856 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3858 PR tree-optimization/23433
3859 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3860 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3862 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3864 PR tree-optimization/23434
3865 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3866 the iteration bound is not an INTEGER_CST.
3868 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3870 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3871 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3872 NULL if need_epilog_adjust is false.
3873 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3874 Case 3 always peels first itration, not just for PLUS case, and no need
3875 to use scalar_initial_def here. Create an epilog adjustment only if
3876 scalar_initial_def is not NULL.
3878 (vectorizable_reduction): Remove assert.
3880 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3883 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3884 (__moddi3): Likewise.
3885 (__udivdi3): Likewise.
3886 (__umoddi3): Likewise.
3887 (__divsi3): Likewise.
3888 (__modsi3): Likewise.
3889 (__udivsi3): Likewise.
3890 (__umodsi3): Likewise.
3892 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3894 * tree-pass.h (TDF_GRAPH): Define.
3895 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3896 * passes.c (finish_optimization_passes): Only call
3897 finish_graph_dump_file if TDF_GRAPH is set.
3898 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3899 NULL. Set TDF_GRAPH bit.
3900 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3902 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3904 * arm.h (arm_stack_offsets): Add locals_base field.
3905 * arm.c (arm_get_frame_offsets): Compute it.
3906 (thumb_compute_initial_elimination offset): Make the Thumb frame
3907 pointer point to the base of the local variables.
3908 (thumb_expand_prologue): Update accordingly.
3909 (thumb_expand_epilogue): Likewise.
3911 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3912 mode of clobbered scratch to DImode. Handle a case that's known to
3915 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3917 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3918 (gt0<mode>_compare): Delete.
3919 (neg_gt0<mode>): Delete.
3921 2005-08-19 Eric Christopher <echristo@apple.com>
3923 * optabs.h: Change CTI_ to COI_.
3926 2005-08-19 James E Wilson <wilson@specifix.com>
3928 * builtins.c (expand_builtin_return_addr): Set
3929 current_function_accesses_prior_frames when count != 0. Use
3930 frame_pointer_rtx when count == 0.
3931 * function.h (struct function): Add accesses_prior_frames field.
3932 (current_function_accesses_prior_frames): Define.
3933 * reload1.c (init_elim_table): Check
3934 current_function_accesses_prior_frames.
3935 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3937 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3939 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3940 indicator. Return true if the flowgraph changed during
3943 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3946 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3947 conditional expression before testing its value.
3949 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3951 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3953 2005-08-19 Devang Patel <dpatel@apple.com>
3955 PR tree-optimization/23048
3956 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3957 third parameter. Check whether latch is dominated by exit
3959 (if_convertible_loop_p): Supply exit block itself to
3960 if_convertible_bb_p.
3962 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3965 * arm.md (arm_load_pic_register): Change argument to the mask of
3966 saved registers. Call thumb_find_work_register if we need a
3967 scratch register on Thumb.
3968 (arm_expand_prologue): Pass empty register set to
3969 arm_load_pic_register.
3970 (thumb_expand_prologue): Pass live_regs_mask directly to
3971 arm_load_pic_register.
3972 * arm-protos.h (arm_load_pic_register): Update prototype.
3974 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3976 * sh.c (find_sole_member): New function.
3977 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3978 if the record's alignment is larger than the size of its only member.
3980 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3983 * arm.c (thumb_legitimize_reload_address): New function.
3984 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3985 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3987 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3989 * config/crx/crx.c: Implement crx_decompose_address. Reject
3990 symbolic displacements since CRX register relative adressing
3991 mode can't handle unsigned 32-bit values as displacements.
3992 * config/crx/crx.h: Simplify definitions, remove redundant
3993 parenthesis and obsolete macros.
3994 * config/crx/crx.opt: Add new switch for debugging addresses.
3995 * config/crx/crx-protos.h: Add new declarations for above.
3997 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4000 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4003 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4005 * collect2.c (dup2): Delete.
4006 * configure.ac: Don't check for dup2.
4008 * config.in, configure: Regenerate.
4010 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4012 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4013 record with the type of its only member.
4015 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4017 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4018 define_insn_and_split.
4019 (plus_ltu<mode>_compare): Same.
4020 (gtu<mode>_compare): Same.
4021 (plus_gtu<mode>_compare): Same.
4023 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4025 PR tree-optimization/22228
4026 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4028 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4029 are recorded in vect_vnames_to_rename for renaming.
4030 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4031 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4032 in vect_vnames_to_rename.
4033 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4034 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4036 2005-08-18 Jan Hubicka <jh@suse.cz>
4039 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4040 info only for local statics, not for member variables.
4042 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4044 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4046 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4048 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4050 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4053 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4055 2005-08-17 James E Wilson <wilson@specifix.com>
4057 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4060 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4062 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4063 (leu<mode>_compare): Same.
4064 (plus_leu<mode>): Same.
4065 (neg_leu<mode>): Same.
4066 (and_neg_leu<mode): Same.
4067 (ltu<mode>_compare): Same.
4068 (plus_ltu<mode>): Same.
4070 (geu<mode>_compare): Same.
4071 (plus_geu<mode>): Same.
4072 (neg_geu<mode>): Same.
4073 (and_neg_geu<mode>): Same.
4074 (plus_gt<mode>): Same.
4075 (gtu<mode>_compare): Same.
4076 (plus_gtu<mode>): Same.
4078 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4080 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4081 Move call_table_data to end. Delete spurious .text.
4082 (callt_save_all_interrupt): Fix comment typo.
4084 2005-08-17 James E Wilson <wilson@specifix.com>
4085 Kevin Winchester <winchester@amirix.com>
4088 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4090 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4093 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4094 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4096 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4098 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4099 record with the type of its only member if the modes don't match.
4101 * varasm.c (decode_reg_name): Skip empty additional register names.
4103 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4105 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4106 lsm_tmp_name_length): New.
4107 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4108 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4110 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4111 Andreas Krebbel <krebbel1@de.ibm.com>
4113 * config.gcc: Added z9-109 switch.
4114 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4115 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4116 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4117 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4118 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4119 for "z9_109" cpu attribute.
4120 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4121 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4122 (s390_handle_arch_option): Added z9-109 switch.
4123 (override_options): Set respective cost function for z9-109.
4124 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4125 (legitimate_reload_constant_p): Accept extended immediates.
4126 (print_operand): Three new output modifiers added: k, m and o.
4127 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4128 (s390_output_mi_thunk): Use extended immediate when possible.
4129 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4130 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4131 (CONSTRAINT_LEN): Added length of O constraint.
4132 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4133 * config/s390/s390.md ("cpu"): New value z9_109 added.
4134 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4135 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4136 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4137 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4138 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4139 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4140 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4141 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4142 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4143 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4144 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4145 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4146 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4147 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4148 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4150 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4151 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4152 insns for TARGET_EXTIMM.
4154 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4156 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4158 2005-08-17 Nick Clifton <nickc@redhat.com>
4160 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4161 Call default_encode_section_info.
4163 2005-08-17 Steven Bosscher <stevenb@suse.de>
4165 PR tree-optimization/21574
4166 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4167 constant, return CONSTANT.
4168 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4169 (ccp_fold, visit_assignment): Likewise.
4170 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4172 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4174 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4175 fold_buildN instead of buildN then fold_initializer or fold.
4176 (build_unary_op): Likewise.
4177 (build_binary_op): Likewise.
4178 * fold-const.c (fold_initializer): Remove.
4179 (fold_build1_initializer): New function.
4180 (fold_build2_initializer): New function.
4181 (fold_build3_initializer): New function.
4182 * tree.h (fold_initializer): Remove.
4183 (fold_build1_initializer): New function.
4184 (fold_build2_initializer): New function.
4185 (fold_build3_initializer): New function.
4187 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4189 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4190 (try_move_mult_to_index): Call fold_build2 instead of build2.
4191 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4192 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4193 fold_binary_to_constant.
4194 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4196 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4197 check if A == gcd (A, B). Remove TYPE argument.
4198 (analyze_offset) Use fold_build2 instead of fold (build.
4199 (create_data_ref): Likewise.
4200 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4201 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4204 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4206 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4207 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4209 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4212 * gimplify.c (zero_sized_type): New function.
4213 (gimplify_modify_expr_rhs): If we have a zero sized type,
4214 replace the statement with an empty statement.
4216 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4218 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4221 2005-08-16 Ian Lance Taylor <ian@airs.com>
4223 * doc/tm.texi (Label Output): Correct typo.
4225 2005-08-16 Steven Bosscher <stevenb@suse.de>
4228 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4229 force_operand will work later on using have_insn_for.
4231 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4233 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4235 2005-08-16 Ian Lance Taylor <ian@airs.com>
4238 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4239 vector type, don't try to construct it element by element. Add an
4240 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4242 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4244 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4246 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4248 * doc/invoke.texi (Precompiled Headers): Document some more options
4249 which are known to be safe.
4251 2005-08-16 James E Wilson <wilson@specifix.com>
4253 PR tree-optimization/21105
4254 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4255 TREE_OVERFLOW check.
4257 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4259 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4260 (neg_ltu<mode>): Same.
4262 (neg_gtu<mode>): Same.
4264 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4266 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4267 (fold_builtin_isdigit): Use fold_buildN.
4268 (build_function_call_expr): Likewise.
4269 * c-typeck.c (c_finish_loop): Likewise.
4271 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4272 Richard Shann <rshann@superh.com>
4274 PR middle-end/20396:
4275 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4277 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4279 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4281 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4284 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4285 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4288 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4291 * fold-const.c (build_range_check): Disable optimization for function
4292 pointer expressions on targets that require function pointer
4295 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4297 * simplify-rtx.c (simplify_const_relational_operation): When
4298 extracting arguments of a COMPARE, recompute the mode as well.
4300 2005-08-15 Ian Lance Taylor <ian@airs.com>
4302 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4304 2005-08-15 DJ Delorie <dj@redhat.com>
4306 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4308 (movsi_splittable): Allow, but split, moves to the stack.
4309 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4312 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4314 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4315 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4316 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4318 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4319 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4320 Delete HOST_PTR_PRINTF.
4322 * configure, config.in: Regenerate.
4324 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4326 * config/rs6000/rs6000.md (QHSI): New mode macro.
4327 (wd): Extend mode attr for QImode and HImode
4328 (dbits): New mode attr.
4329 (zero_extend<mode>di2): Convert to mode macro.
4331 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4334 * doc/invoke.texi (-mgnu-ld): Update description.
4337 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4340 * Makefile.in (tree-chrec.o): Depends on real.h.
4341 * tree-chrec.c: Include real.h.
4342 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4343 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4344 * tree-scalar-evolution.c (add_to_evolution_1,
4345 interpret_rhs_modify_expr): Ditto.
4347 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4350 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4351 step is negative compute the estimation from init downwards to zero.
4353 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4355 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4357 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4359 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4361 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4362 Accept double-word constants that can be split.
4363 * config/s390/s390.md ("movti"): Use 'P' constraint.
4364 ("*movdi_31", "*movdf_31"): Likewise.
4366 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4368 Fix PR tree-optimization/22615
4370 * tree-ssa-structalias.c (solution_set_add): Handle
4371 first_vi_for_offset returning NULL.
4372 (do_da_constraint): Ditto.
4373 (do_sd_constraint): Ditto.
4374 (do_ds_constraint): Ditto
4375 (find_func_aliases): Ditto.
4376 (build_constraint_graph): RHS is allowed be ANYTHING.
4377 (first_vi_for_offset): Return NULL if we couldn't find anything at
4380 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4382 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4383 over memory as first operand.
4385 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4388 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4389 available for setting it.
4391 2005-08-14 Ira Rosen <irar@il.ibm.com>
4393 PR tree-optimization/23320
4394 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4395 data-refs' types instead of base object nullness. Add check for
4396 pointer type data-refs before first location comparison. Remove
4399 2005-08-14 Andreas Schwab <schwab@suse.de>
4401 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4403 2005-08-13 James E Wilson <wilson@specifix.com>
4405 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4406 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4407 -fstack-protector-all, --param ssp-buffer-size): Document.
4408 (-Wvariadic-macros): Alphabetize.
4409 (-fsched-stalled-insns-dep): Add missing 'f'.
4411 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4414 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4416 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4417 or indirect address operand.
4418 (EXTRA_ADDRESS_CONSTRAINT): New.
4419 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4421 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4423 PR tree-optimization/22236
4424 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4425 successors and predecessors.
4426 * tree-chrec.c (chrec_convert): Before converting, check that
4427 sequences don't wrap.
4428 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4429 (analyze_array): Extern.
4430 (find_data_references_in_loop): Remove call to
4431 compute_estimated_nb_iterations.
4432 * tree-data-ref.h (analyze_array): Declared.
4433 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4434 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4435 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4436 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4438 * tree-ssa-loop-ivcanon.c: Fix documentation.
4439 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4440 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4441 (infer_loop_bounds_from_undefined): New.
4442 (estimate_numbers_of_iterations_loop): Use
4443 infer_loop_bounds_from_undefined.
4444 (used_in_pointer_arithmetic_p): New.
4445 (scev_probably_wraps_p): Pass an extra parameter. Call
4446 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4447 (convert_step): Fix documentation.
4448 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4449 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4450 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4451 scev_probably_wraps_p.
4453 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4455 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4456 (s390_register_info): Ignore clobbered_regs information for fixed
4457 registers, and only fixed registers.
4458 (s390_init_frame_layout): Remove redundant call.
4460 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4462 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4463 description of -Wold-style-casts.
4465 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4466 Jakub Jelinek <jakub@redhat.com>
4468 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4469 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4470 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4471 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4472 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4473 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4474 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4475 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4476 ("stack_protect_set", "stack_protect_test"): New expanders.
4477 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4478 "stack_protect_testdi"): New insn definitions.
4480 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4482 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4484 2005-08-12 Paul Brook <paul@codesourcery.com>
4486 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4488 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4490 * config/s390/predicates.md (setmem_operand): New predicate.
4491 (shift_count_operand): Accept ANDs with special constants as
4493 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4494 with special constants.
4495 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4496 shift_count_operand with setmem_operand.
4498 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4500 * config/s390/s390.c (s390_extract_part, s390_single_part):
4502 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4503 (s390_output_mi_thunk): Don't use lg on 31 bit.
4504 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4505 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4507 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4509 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4510 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4511 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4512 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4513 with one of the new macros.
4515 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4517 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4518 Don't set save_return_addr_p.
4519 (s390_register_info): Make clobbered_regs not depending on
4522 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4524 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4525 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4527 2005-08-11 James E. Wilson <wilson@specifix.com>
4529 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4531 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4533 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4534 locations gathered by var-tracking in single entry loc_list
4535 over loc_descriptor_from_tree.
4537 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4538 pass it down to loc_descriptor.
4539 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4540 (containing_function_has_frame_base): Move earlier in the file.
4541 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4542 instead of always assuming fbreg can't be used.
4544 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4546 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4547 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4548 Accept address wrapped in AND for Altivec.
4549 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4550 Strip AND wrapping offset address for Altivec.
4552 2005-08-11 Richard Henderson <rth@redhat.com>
4555 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4556 before using TYPE_IS_SIZETYPE.
4558 2005-08-11 Richard Henderson <rth@redhat.com>
4561 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4562 insn types not present on ev4.
4563 (alphaev5_insn_pipe): Similarly.
4565 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4568 * arm.c (arm_override_options): If the user has selected callee-super-
4569 interworking, then enable normal interworking.
4571 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4573 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4576 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4578 * doc/rtl.texi: Fix two typos.
4580 2005-08-11 Richard Guenther <rguenther@suse.de>
4583 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4584 cases where we call to/from functions returning void.
4586 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4589 * tree.c (build_pointer_type_for_mode): Robustify.
4591 2005-08-10 James E Wilson <wilson@specifix.com>
4593 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4594 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4596 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4599 2005-08-10 Eric Christopher <echristo@apple.com>
4601 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4602 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4605 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4608 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4609 for the high part when generating dynamic-no-pic code.
4611 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4613 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4614 (x86_64-*-linux*): Likewise.
4616 * config/i386/crtfastmath.c: New file.
4617 * config/i386/t-crtfm: Likewise.
4619 * config/i386/linux.h (ENDFILE_SPEC): New.
4620 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4622 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4625 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4627 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4628 (vec_shl, vec_shr): Document new operations.
4629 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4631 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4633 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4634 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4635 change predicate to indexed_or_indirect_address.
4637 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4639 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4640 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4641 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4642 and __aeabi_uwrite8.
4643 * config/arm/unaligned-funcs.c: New file.
4644 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4646 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4648 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4650 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4651 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4653 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4654 * final.c (pass_shorten_branches): Add dump.
4655 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4656 (pass_life): Rename dump.
4657 (rest_of_handle_flow2): Remove initial verify_flow_info.
4658 * function.c (pass_instantiate_virtual_regs): Add dump.
4659 * integrate.c (pass_initial_value_sets): Add dump.
4660 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4661 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4662 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4663 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4664 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4665 gate_rtl_unrool_and_peel_loops): New.
4666 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4667 rtl_doloop): Do not look at flags.
4668 * mode-switching.c (pass_mode_switching): Add dump.
4669 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4670 pass_split_before_regstack): Add dump.
4671 * regmove.c (pass_stack_adjustments): Add dump.
4672 * tree-optimize.c (pass_fixup_cfg): Add dump.
4674 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4677 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4678 deciding which instruction sequence to use.
4680 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4682 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4683 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4685 2005-08-09 Richard Guenther <rguenther@suse.de>
4687 * c-common.c (builtin_function_2): Remove.
4688 (def_builtin_1): New function.
4689 (c_common_nodes_and_builtins): Use def_builtin_1 to
4690 build builtin functions.
4692 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4694 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4695 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4696 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4699 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4701 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4702 fold_binary instead of fold_build2 since we don't care about the
4704 (loop_niter_by_eval): Likewise.
4705 (compare_trees): Likewise.
4706 (proved_non_wrapping_p): Likewise.
4708 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4712 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4713 if the if is really empty.
4715 2005-08-09 Steven Bosscher <stevenb@suse.de>
4717 PR tree-optimization/23234
4718 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4719 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4720 argument of the new enum.
4721 (execute_cse_reciprocals): Add reciprocals for function arguments
4722 on the unique successor edge of the entry block. Update other calls
4723 to execute_cse_reciprocals_1.
4725 2005-08-08 Richard Henderson <rth@redhat.com>
4728 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4730 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4732 * expr.c (write_complex_part): Return after handling MEM.
4734 2005-08-08 Josh Conner <jconner@apple.com>
4736 PR rtl-optimization/23241
4737 * combine.c (simplify_comparison): Fix error in determining
4738 whether to lift a subreg from comparison.
4740 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4743 * config/rs6000/altivec.md (vec_init<mode>): New.
4744 (vec_set<mode>): New.
4745 (vec_extract<mode>): New.
4746 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4747 (rs6000_expand_vector_set): New.
4748 (rs6000_expand_vector_extract): New.
4749 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4750 for Altivec modes before reload.
4751 (altivec_expand_vec_init_builtin): New.
4752 (get_element_number): New.
4753 (altivec_expand_vec_set_builtin): New.
4754 (altivec_expand_vec_ext_builtin): New.
4755 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4757 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4759 * config/rs6000/rs6000.h (rs6000_builtins): Add
4760 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4761 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4762 * config/rs6000/rs6000-protos.h: Declare new functions.
4764 2005-08-08 Jan Hubicka <jh@suse.cz>
4766 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4767 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4768 * i386.md (movdi*): Use pic_32bit_operand.
4769 * predicates.md (pic_32bit_operand): New.
4771 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4774 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4776 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4778 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4779 (test_for_singularity): Use fold_build2.
4781 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4783 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4785 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4787 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4788 (COMMON_ASM_OP) Define.
4789 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4790 (ix86_encode_section_info): Likewise.
4791 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4792 SUBTARGET_ENCODE_SECTION_INFO.
4794 2005-08-06 Richard Henderson <rth@redhat.com>
4797 * tree-nested.c (convert_local_reference): Save and restore val_only
4798 around component_ref and friends. Clear walk_subtrees by default.
4800 2005-08-06 Peter O'Gorman <peter@pogma.com>
4803 * gcc.c (process_command): Check the argument to -b has a dash.
4804 * doc/invoke.texi: Update -b and -V docs.
4806 2005-08-06 James E Wilson <wilson@specifix.com>
4808 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4810 2005-08-06 Michael Matz <matz@suse.de>
4812 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4813 member only if only one insn is associated with the value.
4815 2005-08-06 Nick Clifton <nickc@redhat.com>
4817 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4819 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4820 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4821 Check symbol flags instead of symbol name mangling.
4822 (xstormy16_asm_output_aligned_common): Likewise. Also
4823 simplify code since the bss100_section cass is the only case
4824 where the below100 code will be triggered.
4825 (xstormy16_encode_section_info): Encode below100 attribute
4826 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4828 (xstormy16_strip_name_encoding): Delete - this function is no
4830 (TARGET_STRIP_NAME_ENCODING): Undefine.
4831 * config/stormy16/stormy16-protos.h: Delete prototype for
4832 xstormy16_strip_name_encoding.
4834 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4836 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4837 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4838 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4839 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4840 config/alpha/predicates.md, config/arc/arc.h,
4841 config/arm/arm.h, config/arm/ieee754-df.S,
4842 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4843 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4844 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4845 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4846 config/m68hc11/m68hc11.h, config/mips/mips.c,
4847 config/mips/mips.h, config/mips/openbsd.h,
4848 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4849 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4850 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4851 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4852 config/sparc/linux.h, config/sparc/linux64.h,
4853 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4854 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4855 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4856 typos. Follow spelling conventions.
4858 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4861 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4862 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4863 specially. Check for side effects only for COND_EXPR.
4864 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4865 return with TREE_NO_WARNING.
4867 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4869 PR rtl-optimization/23233
4870 * loop.c (combine_movables): Require the modes to be the same.
4871 (move_movables): Remove handling of cases where the replacement
4872 had a different mode to the original.
4874 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4876 PR tree-optimization/23128
4877 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4878 subtraction wrap, and set TREE_OVERFLOW if they do.
4880 2005-08-05 Richard Henderson <rth@redhat.com>
4883 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4884 FORCED_LABEL labels.
4886 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4889 * reload.c (find_reloads_subreg_address): Pass down TYPE
4890 unchanged. Change all callers except find_reloads_toplev.
4892 2005-08-05 Michael Matz <matz@suse.de>
4894 * genattrtab.c (current_alternative_string): Remove.
4895 (SIMPLIFY_ALTERNATIVE): Ditto.
4896 (attr_alt_bit_p): Ditto.
4897 (alternative_name): Make const char *.
4898 (evaluate_eq_attr): Remove use of above things.
4899 (simplify_test_exp): Ditto.
4900 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4901 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4903 2005-08-04 James E Wilson <wilson@specifix.com>
4905 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4906 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4907 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4908 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4909 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4911 2005-08-04 Richard Henderson <rth@redhat.com>
4914 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4915 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4916 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4917 if we'd have to instantiate too many members.
4919 2005-08-04 Richard Henderson <rth@redhat.com>
4922 * tree-outof-ssa.c (coalesce_asm_operands): New.
4923 (coalesce_ssa_name): Use it. Split out ...
4924 (coalesce_phi_operands, coalesce_result_decls): ... these.
4926 2005-08-04 Paul Brook <paul@codesourcery.com>
4928 * read-rtl.c (read_quoted_string): Break if EOF.
4930 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
4932 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4933 (fold_build2): Likewise.
4934 (fold_build3): Likewise.
4935 (fold_build1_stat): New function prototype.
4936 (fold_build2_stat): Likewise.
4937 (fold_build3_stat): Likewise.
4938 * fold-const.c (fold_build1): Rename to ..
4939 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4940 through to build1_stat.
4941 (fold_build2): Rename to ..
4942 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4943 through to build2_stat.
4944 (fold_build3): Rename to ..
4945 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4946 through to build3_stat.
4948 2005-08-04 David Edelsohn <edelsohn@gnu.org>
4949 Ian Lance Taylor <ian@airs.com>
4951 * function.c (assign_stack_local_1): Do not correct stack slot
4952 address if allocation size is smaller than mode size.
4954 2005-08-04 Diego Novillo <dnovillo@redhat.com>
4957 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4958 (tree_merge_blocks): Propagate anything allowed by
4960 Clarify documentation.
4961 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4962 SSA form, schedule an update if necessary.
4964 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
4966 * doc/install.texi (Binaries): Remove broken link to
4967 Sinix/Reliant Unix binaries.
4969 2005-08-03 Richard Henderson <rth@redhat.com>
4972 * function.c (stack_protect_epilogue): Export.
4973 * tree.h (stack_protect_epilogue): Declare.
4974 * calls.c (expand_call): Call it.
4976 2005-08-03 Eric Christopher <echristo@apple.com>
4978 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4979 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4982 2005-08-04 Jan Hubicka <jh@suse.cz>
4984 * profile.c (branch_prob): Split edges with goto locus on them
4985 to get proper line counts.
4986 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
4988 2005-08-03 Paul Brook <paul@codesourcery.com>
4990 * function.c (assign_parms): Round current_function_args_size
4991 to PARM_BOUNDARY, not STACK_BOUNDARY.
4993 2005-08-03 Geoffrey Keating <geoffk@apple.com>
4995 * config/i386/i386.c (x86_elf_aligned_common)
4996 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4998 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5000 PR tree-optimization/23157
5001 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5002 before emitting them.
5004 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5006 PR tree-optimization/19899
5007 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5008 * tree-scalar-evolution.c: Include real.h.
5009 (add_to_evolution): Build constant -1 of correct type.
5011 2005-08-03 Jan Hubicka <jh@suse.cz>
5013 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5014 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5015 profile updating for complette unrolling.
5016 * loop-unroll.c (peel_loop_completely): Use it.
5017 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5018 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5021 2005-08-03 Paul Brook <paul@codesourcery.com>
5023 * combine.c (can_change_dest_mode): New function.
5024 (try_combine, simplify_set): Use it.
5026 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5028 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5031 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5033 * doc/install.texi (Specific): Adjust link to openavr.org.
5034 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5035 (Binaries): Adjust HP-UX Porting Center link.
5036 (Binaries): Adjust Free Software Foundation ordering link.
5038 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5040 * convert.c (convert_to_integer): Use fold_build1 instead of
5041 build1 when converting an integer to an integer.
5043 2005-08-02 Richard Henderson <rth@redhat.com>
5045 * combine.c (combine_instructions): Don't use reg_equal/equiv
5046 results if the mode doesn't match.
5048 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5050 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5051 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5053 2005-08-02 Richard Henderson <rth@redhat.com>
5056 * explow.c (memory_address): Remove special-case for
5057 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5059 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5062 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5063 number of calls to cleanup_tree_cfg_1.
5065 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5067 * doc/invoke.texi: document file extensions .F90 and .F95
5069 2005-08-02 Richard Guenther <rguenther@suse.de>
5071 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5072 positive if its first argument is positive.
5074 2005-08-02 Richard Guenther <rguenther@suse.de>
5076 PR tree-optimization/23177
5077 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5080 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5082 PR tree-optimization/23129
5083 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5084 varying for divisions with anti-ranges.
5086 2005-08-02 Jan Hubicka <jh@suse.cz>
5088 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5089 * tree-ssa-threadupdate.c (thread_block): Add it here.
5091 2005-08-01 James E Wilson <wilson@specifix.com>
5093 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5094 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5095 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5097 * config/mips/predicates.md (const_call_insn_operand): Add check for
5098 SYMBOL_REF_LONG_CALL_P.
5099 * doc/extend.texi (long_call): Document the new attribute.
5101 2005-08-01 Ian Lance Taylor <ian@airs.com>
5102 Richard Henderson <rth@redhat.com>
5104 * Makefile.in (RTL_BASE_H): Add real.h.
5105 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5107 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5109 * rtl.c (rtl_check_failed_code_mode): New.
5110 * rtl.h (struct rtx_def): Add u.rv.
5111 (XCMWINT, XCNMPRV): New.
5112 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5113 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5115 2005-08-01 Richard Henderson <rth@redhat.com>
5117 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5118 with auto-inc codes.
5120 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5122 2005-08-01 Jan Hubicka <jh@suse.cz>
5124 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5125 * i386.c: Include dwarf2.h
5126 (asm_preferred_eh_data_format): New.
5127 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5129 2005-08-01 Ian Lance Taylor <ian@airs.com>
5131 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5132 randomize_va_space for virtual address randomization control.
5134 2005-08-01 Steven Bosscher <stevenb@suse.de>
5136 * common.opt (flag_ipa_cp): Put in right place to maintain
5139 2005-08-01 Jan Hubicka <jh@suse.cz>
5141 * profile.c (compute_value_histograms): Fix thinko.
5142 * value-prof.c: Include toplev.h
5143 (check_counter): New function.
5144 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5145 tree_mod_subtract_transform): Add sanity check.
5147 2005-08-01 Richard Guenther <rguenther@suse.de>
5149 PR tree-optimization/23133
5150 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5151 current functions parameter decls to find defs to cse
5154 2005-08-01 Richard Guenther <rguenther@suse.de>
5156 PR tree-optimization/23109
5157 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5158 If trapping math is in effect, use post-dominator information
5159 to check if we'd in any case reach a trapping point before
5160 doing the reciprocal insertion.
5161 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5162 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5163 expressions are invariant only if trapping math is not in effect.
5165 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5167 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5168 cgraph_function_versioning): New declarations.
5169 * cgraphunit.c: Add include to ipa-prop.h.
5170 (update_call_expr, cgraph_copy_node_for_versioning,
5171 cgraph_function_versioning): New functions.
5172 * integrate.c (copy_decl_for_inlining): Remove.
5173 * ipa-prop.h (ipa_replace_map): New struct.
5174 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5175 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5176 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5177 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5178 ipcp_iterate_stage, ipcp_method_scale_print,
5179 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5180 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5181 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5182 ipcp_update_bb_counts, ipcp_update_profiling,
5183 ipcp_update_edges_counts): New functions.
5184 (ipcp_method_cval_init): Remove restriction regarding local methods.
5185 (ipcp_init_stage): Add ipcp_method_compute_scale.
5186 (ipcp_insert_stage): Add versioning.
5187 (ipcp_structures_print): Add ipcp_method_scale_print.
5188 (ipcp_driver): Dump profiling info.
5189 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5190 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5191 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5192 (struct inline_data): Add versioning_p, ipa_info, new fields.
5193 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5194 declare_return_variable): Replace calls to copy_decl_for_inlining with
5196 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5198 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5199 Add argument VERSIONING.
5200 (copy_arguments_for_versioning, copy_static_chain,
5201 function_versionable_p, tree_versionable_function_p,
5202 tree_function_versioning, replace_ref_tree): New functions.
5203 * tree-inline.h: Include varray.h.
5204 (tree_versionable_function_p, tree_function_versioning,
5205 tree copy_decl_for_dup): New declarations.
5207 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5209 * ipa-cp.c: New file. Contains IPCP specific functionality.
5210 * ipa-prop.h: New file. Contains structures/definitions that can be
5211 used by several interprocedural data flow optimizations (and also IPCP).
5212 * ipa-prop.c: New file.
5213 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5214 * common.opt: Add ipa-cp flag.
5215 * timevar.def: Add IPCP optimization.
5216 * tree-optimize.c (init_tree_optimization_passes): Schedule
5218 * tree-pass.h (pass_ipa_cp): Declare.
5220 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5222 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5223 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5224 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5225 config/i386/i386.c, config/mips/mips.h,
5226 config/rs6000/rs6000.h, config/sh/sh.c,
5227 config/stormy16/stormy16.c: Fix comment typos.
5229 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5232 * c-typeck.c (build_binary_op): Use common_type wrapper on
5234 (common_type): Update comment.
5236 2005-07-31 Steven Bosscher <stevenb@suse.de>
5239 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5240 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5241 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5243 2005-07-31 Jan Hubicka <jh@suse.cz>
5245 * pretty-print.h (pp_widest_integer): New macro.
5246 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5249 2005-07-31 Jan Hubicka <jh@suse.cz>
5251 * output.h (enum section_category): Export from varasm.c
5252 (categorize_decl_for_section): Likewise.
5253 * varasm.c (enum section_category): Kill.
5254 (categorize_decl_for_section): Make global.
5255 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5257 * i386.c (ix86_section_threshold): New static variable.
5258 (ix86_in_large_data_p, ix86_encode_section_info,
5259 x86_64_elf_unique_section,
5260 x86_64_elf_select_section): New functions.
5261 (TARGET_ENCODE_SECTION_INFO): Define
5262 (override_options): Enable medium model for PIC.
5263 (ix86_expand_prologue): Expand gen_set_got_rex64.
5264 (legitimate_constant_p): Handle new UNSPECs.
5265 (legitimate_pic_address_disp_p): Likewise.
5266 (legitimize_pic_address): Lower MEDIUM model addressing.
5267 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5268 (enum cmodel): Add MEDIUM_PIC.
5269 (SYMBOL_REF_FAR_ADDR_P): New macro.
5270 (SYMBOL_FLAG_FAR_ADDR): New flag.
5271 * i386.md (movdi): Support medium model.
5272 (set_got_rex64): New pattern.
5273 * i386.opt (mlarge-data-threshold): New flag.
5274 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5275 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5276 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5277 TARGET_ASM_UNIQUE_SECTION): New.
5279 * invoke.texi (-mlarge_data_threshold): Document
5281 2005-07-31 Jan Hubicka <jh@suse.cz>
5283 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5284 (coalesce_vars): Likewise.
5285 * tree-ssa-live.c (coalesce_cost): New.
5286 (build_tree_conflict_graph): Use coalesce_cost.
5287 * tree-ssa-live.h (coalesce_cost): Declare.
5289 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5291 * arm.md (all peepholes for post-increment operations): Delete.
5292 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5293 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5294 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5295 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5296 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5298 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5300 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5303 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5306 * doc/invoke.texi: Document -rdynamic.
5308 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5311 * c-parser.c (c_parser_parms_list_declarator): Call
5312 mark_forward_parm_decls.
5313 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5314 decls with visibility structure.
5316 2005-07-30 Paul Brook <paul@codesourcery.com>
5318 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5320 2005-07-30 Paul Brook <paul@codesourcery.com>
5322 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5324 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5326 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5328 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5331 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5332 nested function declarators.
5333 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5334 (grokparms): Call warn_if_shadowing for parameters used within the
5336 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5337 not used within the parameter list.
5338 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5340 2005-07-30 Jan Hubicka <jh@suse.cz>
5342 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5343 * i386.c (ix86_fixup_binary_operands): Likewise.
5344 (ix86_expand_unary_operator): Likewise.
5345 (ix86_expand_fp_absneg_operator): Likewise.
5346 * optabs.c (expand_vec_cond_expr): Validate dest.
5348 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5351 * real.c (real_from_string): Also set last bit if there is a
5352 nonzero hex digit beyond GCC's internal precision after ".".
5354 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5356 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5357 define_constants. Change duplicate values to unassigned numbers.
5358 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5359 (*altivec_vspltsf): New.
5360 (altivec_vperm_v4sf): Delete.
5361 (altivec_vperm_<mode>): Use mode macro V.
5362 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5363 (altivec_predicate_v4sf): Delete.
5364 (altivec_predicate_<mode>): Use mode macro V.
5365 (*altivec_lvesfx): New.
5366 (*altivec_stvesfx): New.
5367 (vec_realign_load_v4sf): Delete.
5368 (vec_realign_load_<mode>): Use mode macro V.
5369 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5372 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5375 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5377 * configure: Regenerated.
5379 2005-07-29 Paul Brook <paul@codesourcery.com>
5381 * doc/install.texi: Add link to GFortran binaries wiki page.
5383 2005-07-29 David Ung <davidu@mips.com>
5385 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5386 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5387 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5388 * config/mips/mips.md (cpu): Add 5kf name.
5389 (includes): Includes 5k.md.
5390 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5391 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5394 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5397 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5398 (cleanup_tree_cfg): ... here.
5399 Call cleanup_tree_cfg_1 until there are no more cleanups to
5402 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5404 * tree-vrp.c (compare_range_with_value): Return true or false
5405 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5406 EQ_EXPR respectively.
5408 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5410 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5413 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5415 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5416 (tree_ssa_dominator_optimize): Increment it.
5417 (dump_dominator_optimization_stats): Print it.
5419 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5420 Steven Bosscher <stevenb@suse.de>
5422 PR rtl-optimization/23117
5423 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5424 when head == tail. Tidy comment.
5426 2005-07-28 Richard Henderson <rth@redhat.com>
5428 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5429 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5430 * jump.c (rtx_renumbered_equal_p): Likewise.
5431 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5432 CONST_INT and CONST_DOUBLE.
5433 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5434 * reload.c (operands_match_p): Special case CONST_INT and
5435 CONST_DOUBLE; check mode earlier.
5437 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5440 * c-typeck.c (convert_for_assignment): Do not check
5441 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5443 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5446 * c-typeck.c (composite_type): Prefer constant size arrays to
5449 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5452 * real.c (real_from_string): Set last bit if there is a nonzero
5453 hex digit beyond GCC's internal precision.
5455 2005-07-28 Richard Henderson <rth@redhat.com>
5458 * cfgcleanup.c (try_forward_edges): Watch out for end of
5461 2005-07-28 James E Wilson <wilson@specifixinc.com>
5464 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5466 2005-07-28 Jan Hubicka <jh@suse.cz>
5468 * Makefile.in (rtl-profile.o): Kill all traces of it.
5469 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5470 * coverage.h (rtl_coverage_counter_ref): Kill.
5471 * opts.c (flag_speculative_prefetching_set): Kill.
5472 (flag_loop_optimize_set): New.
5473 (common_handle_option): Disable loop optimizer when profiling;
5474 do not handle speculative prefetching.
5475 * passes.c (init_optimization_passes): Replace pass_profiling combo
5476 by branch_prob pass.
5477 * profile.c (compute_value_histograms): Update for simplified value
5479 (rtl_register_profile_hooks): Kill.
5480 (pass_profiling): Kill.
5481 (rest_of_handle_branch_prob): Do not profile.
5482 * toplev.c (process_options): Remove speculative prefetching.
5483 * toplev.h (flag_tree_based_profiling): Kill.
5484 * tree-profile.c (prepare_instrumented_value,
5485 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5486 tree_gen_one_value_profiler, do_tree_profiling): Update for
5487 simplified datastructures.
5488 * value-prof.c: Add comment that speculative prefetching was dropped;
5489 update rest of file for simplified datastructures.
5490 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5491 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5492 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5493 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5494 rtl_mod_subtract, gen_speculative_prefetch,
5495 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5496 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5497 (gate_handle_value_profile_transformations,
5498 rest_of_handle_value_profile_transformations,
5499 pass_value_profile_transformations): Kill.
5500 * value-prof.h (histogram_value_t): Remove IL based unions.
5501 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5502 rtl_profile_hooks): Remove hooks.
5504 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5506 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5507 (cgraph_clone_node): Likewise.
5508 * cgraph.h (cgraph_clone_edge): Update prototype.
5509 (cgraph_clone_node): Likewise.
5510 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5512 (lookup_recursive_calls): Consider profile.
5513 (cgraph_decide_recursive_inlining): Fix updating; use new
5514 probability argument; use profile.
5515 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5516 * tree-inline.c (copy_bb): Update clal of clone_edge.
5517 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5519 * invoke.texi (min-inline-recursive-probability): Document.
5521 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5523 * doc/install.texi (Configuration): Update Valgrind homepage.
5525 2005-07-28 Richard Henderson <rth@redhat.com>
5528 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5529 labels we want to delete.
5530 (cfg_layout_merge_blocks): Likewise.
5532 2005-07-28 Richard Henderson <rth@redhat.com>
5535 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5536 when expanding to nothing.
5538 2005-07-28 Josh Conner <jconner@apple.com>
5540 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5541 (cgraph_decide_inlining_of_small_functions): Likewise.
5543 2005-07-28 Josh Conner <jconner@apple.com>
5545 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5546 direction of badness if negative.
5547 (cgraph_default_inline_p): Add reason to parameters, and assign it
5549 (cgraph_decide_inlining_of_small_functions): New parameter in call
5550 to cgraph_default_inline_p.
5551 (cgraph_decide_inlining_incrementally): Likewise.
5552 * cgraphunit.c (decide_is_function_needed): Likewise.
5553 * cgraph.h (cgraph_default_inline_p): Likewise.
5555 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5557 * builtins.c: Fix comment typo(s).
5558 * genautomata.c: Likewise.
5559 * gimplify.c: Likewise.
5560 * tree-dfa.c: Likewise.
5561 * tree-flow-inline.h: Likewise.
5562 * tree-into-ssa.c: Likewise.
5563 * tree-ssa-alias.c: Likewise.
5564 * tree-ssa-ccp.c: Likewise.
5565 * tree-ssa-copy.c: Likewise.
5566 * tree-ssa-dce.c: Likewise.
5567 * tree-ssa-dom.c: Likewise.
5568 * tree-ssa-operands.c: Likewise.
5569 * tree-tailcall.c: Likewise.
5570 * tree-vectorizer.c: Likewise.
5571 * tree-vrp.c: Likewise.
5574 2005-07-28 Jeff Law <law@redhat.com>
5576 * tree-vrp.c (test_for_singularity): Extracted from ...
5577 (simplify_cond_using_ranges): Attempt to simplify a relational
5578 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5580 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5582 PR tree-optimization/22506
5583 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5584 phis whose argument is constant.
5586 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5588 PR rtl-optimization/18992
5589 Back out this patch:
5590 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5591 PR optimization/12142
5592 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5593 uses of the register in the SET_SRC. Remove unnecessary argument.
5595 Replace it with this:
5596 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5597 if flag_non_call_exceptions is set and the insn may trap, pass
5598 pc_rtx as dest for recursion.
5599 In SET_SRC part of SET case, if dest is already set, pass it down
5602 2005-07-28 Jan Hubicka <jh@suse.cz>
5604 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5605 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5606 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5608 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5609 profile when available.
5611 2005-07-28 Jan Beulich <jbeulich@novell.com>
5613 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5614 (ia64_print_operand): Describe and handle 'X'.
5615 (ia64_register_move_cost): Also handle FP_REGS.
5616 (ia64_preferred_reload_class): Likewise.
5617 (ia64_secondary_reload_class): Likewise.
5618 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5619 it. Also check for ITANIUM_CLASS_FLDP.
5620 * config/ia64/ia64.h (FP_REGNO_P): New.
5621 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5622 (reg_class): Add FP_REGS.
5623 (REG_CLASS_NAMES): Adjust for it.
5624 (REG_CLASS_CONTENTS): Likewise.
5625 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5626 (REG_CLASS_FROM_LETTER): Handle 'x'.
5627 (CLASS_MAX_NREGS): Handle FP_REGS.
5628 (MEMORY_MOVE_COST): Likewise.
5629 * config/ia64/ia64.md (itanium_class): Add fldp.
5630 (type): Handle fldp.
5631 (movti_internal): More allowable operand combinations. Use ldfp8 when
5632 splitting unnecessary. Remove predicable attribute. Adjust
5633 itanium_class attribute.
5634 (smuldi3_highpart): Remove outdated comment.
5635 (mulditi3, umulditi3, rotlti3): New expanders.
5636 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5637 (absti2): Disabled new insn for future reference.
5638 Respective new splitters.
5639 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5640 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5641 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5643 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5645 PR rtl-optimization/23047
5646 * simplify-rtx.c (simplify_const_relational_operation): Respect
5647 flag_wrapv for comparisons with ABS.
5649 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5651 PR tree-optimization/22493
5652 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5653 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5655 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5657 * config/frv/frv.opt (moptimize-membar): New.
5659 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5661 * config/frv/frv.h: Remove machine_function definition.
5663 * config/frv/frv.c (struct frv_io): New.
5664 (struct machine_function): Moved from frv.h. Add has_membar_p.
5665 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5666 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5667 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5668 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5669 (frv_reorg): Call frv_optimize_membar when appropriate.
5670 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5671 (frv_expand_builtin): Adjust calls accordingly.
5672 (frv_io_address_cookie): New function.
5673 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5674 load or store rather than a special insn. Add ccnstant address and
5675 io-type operands to the membar.
5676 (frv_ifcvt_modify_tests): Unsign regno.
5677 (frv_ifcvt_modify_tests): Same.
5679 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5680 UNSPEC_OPTIONAL_MEMBAR constant.
5681 (builtin_read_<mode>): Delete.
5682 (builtin_write_<mode>): Delete.
5683 ("optional_membar_<mode>"): Add operand.
5685 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5686 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5687 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5688 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5689 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5690 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5691 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5692 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5693 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5695 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5697 * df.c (df_uses_record): Handle SCRATCH.
5699 2005-07-28 Steven Bosscher <stevenb@suse.de>
5702 * passes.c (rest_of_decl_compilation): If decl is a type and
5703 we have encountered errors, don't emit debug information.
5705 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5707 * params.def: Fixed comment.
5709 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5712 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5713 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5714 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5716 2005-07-27 Steven Bosscher <stevenb@suse.de>
5719 * varasm.c (assemble_start_function): Don't do anything that may
5720 require a CFG if the current function is a thunk.
5722 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5724 * doc/install.texi (Prerequisites): Mention that perl is needed
5725 to do export control in libstdc++ targetting Darwin.
5727 2005-07-27 Steven Bosscher <stevenb@suse.de>
5729 PR rtl-optimization/17808
5730 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5731 (sched_insns_conditions_mutex_p): Split out from...
5732 (add_dependence): ...here. But don't call it from here.
5733 (add_dependence_list): Check sched_insns_conditions_mutex_p
5734 before calling add_dependence.
5735 (add_dependence_list_and_free): Likewise.
5736 (fixup_sched_groups): Likewise.
5737 (sched_analyze_1): Likewise.
5738 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5739 (sched_analyze): Likewise.
5740 (sched_analyze_insn): Likewise.
5741 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5742 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5743 dependencies on all COND_EXEC insns to jumps ending basic blocks
5744 when doing intrablock scheduling.
5745 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5747 2005-07-27 Jeff Law <law@redhat.com>
5749 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5750 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5751 equivalency sets, correctly handle the case were vr0 has an
5752 equivalency set, but vr1 does not.
5754 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5756 PR tree-optimization/23073
5757 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5758 vect_print_dump_info before fprintf.
5760 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5762 PR tree-optimize/22348
5763 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5764 Fold the partial computation.
5766 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5768 PR tree-optimization/22325
5769 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5771 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5773 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5774 (force_var_cost): ... this function.
5775 (compute_phi_arg_on_exit): Export.
5777 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5779 PR tree-optimization/20773
5780 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5783 2005-07-27 Richard Guenther <rguenther@suse.de>
5785 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5786 Avoid pushing again if current struct contains only
5787 fields we decomposed.
5789 2005-07-27 Jan Hubicka <jh@suse.cz>
5791 PR tree-optimization/22574
5792 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5795 * tree-tailcall.c (decrease_profile): New function.
5796 (eliminate_tail_call): Use it.
5798 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5799 visibility flags correctly in whole program mode.
5801 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5803 PR rtl-optimization/22472
5804 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5806 2005-07-26 Steven Bosscher <stevenb@suse.de>
5808 PR tree-optimization/22504
5809 * tree-complex.c (expand_complex_addition): Use 'code' instead
5810 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5812 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5814 * config.gcc (cpu_type): Add frv case.
5815 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5816 (supported_defaults): Add fr550 case.
5818 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5821 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5822 whether a pointer of type T * may point to objects of type T *.
5824 2005-07-26 DJ Delorie <dj@redhat.com>
5826 * configure: Regenerate.
5828 2005-07-26 Dale Johannesen <dalej@apple.com>
5830 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5832 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5834 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5835 Clarify use of "build" in name.
5837 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5839 * doc/extend.texi (Raw read/write Functions): New section.
5840 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5841 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5842 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5843 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5844 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5845 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5846 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5847 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5848 * config/frv/frv.c: Add bdesc_loads global.
5849 Add bdesc_stores global.
5850 (frv_init_builtins): Add support for __builtin_{read/write}*.
5851 (frv_volatile_memref): New.
5852 (frv_expand_load_builtin): New.
5853 (frv_expand_store_builtin): New.
5854 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5855 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5856 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5857 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5858 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5859 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5860 (builtin_read_<mode>): New.
5861 (builtin_write_<mode>): New.
5862 (builtin_write64): New.
5863 (optional_membar_<mode>): New.
5865 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5867 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5868 (rather than units) against HOST_BITS_PER_WIDE_INT.
5870 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5872 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5873 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5874 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5875 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5878 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5879 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5880 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5882 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5884 2005-07-26 Richard Guenther <rguenther@suse.de>
5886 PR tree-optimization/22486
5887 * fold-const.c (fold_unary): Fold away useless component
5888 references of the form (T *)&T.x, if the address
5891 2005-07-25 James E Wilson <wilson@specifixinc.com>
5893 * dwarf2out.c (add_call_src_coords_attributes): New.
5894 (gen_inlined_subroutine_die): Call it.
5895 (maybe_emit_file, init_file_table): Add comments.
5896 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5898 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5899 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5900 * tree.h (BLOCK_SOURCE_LOCATION): New.
5901 (struct tree_block): New field locus.
5903 2005-07-26 Andreas Schwab <schwab@suse.de>
5905 PR rtl-optimization/23043
5906 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5907 when allocating a struct unoccr.
5909 2005-07-25 Richard Henderson <rth@redhat.com>
5912 * tree-complex.c (gate_no_optimization): True if errors.
5913 * Makefile.in (tree-complex.o): Update dependencies.
5915 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
5917 * config/frv/predicates.md (integer_register_operand): Use
5920 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5923 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5925 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5927 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5929 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5930 types when flag_unsafe_math_optimizations is true.
5932 2005-07-25 Mark Mitchell <mark@codesourcery.com>
5934 * gcc.c (option_map): Add --sysroot.
5935 (process_command): Handle --sysroot.
5936 (display_help): Document it.
5937 * doc/cppopts.tex (-isysroot): Document.
5938 * doc/invoke.texi (--sysroot): Document.
5939 * doc/install.texi (--with-build-sysroot): Document.
5941 * Makefile.in (inhibit_libc): New variable.
5942 (INHIBIT_LIBC_CFLAGS): Likewise.
5943 (LIBGCC2_CFLAGS): Include
5944 $(INHIBIT_LIBC_CFLAGS).
5945 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5946 ($(T)crtbegin.o): Do not use @inhibit_libc@.
5947 ($(T)crtend.o): Likewise.
5948 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5949 ($(T)crtendS.o): Likewise.
5950 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5951 ($(T)crtendT.o): Likewise.
5952 (stmp-fixinc): Do not complain about missing headers if
5954 * configure.ac (inhibit_libc): Set it to true/false.
5955 (--with-build-sysroot): New option. Use it to set
5957 * configure: Regenerated.
5959 2005-07-25 Manfred Hollstein <mh@suse.com>
5961 * calls.c (store_one_arg): Fix unsigned comparison warning.
5963 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5966 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5967 (ggc_print_statistics): Initialize variable before use.
5969 2005-07-25 Richard Guenther <rguenther@suse.de>
5971 * tree-dfa.c (mark_new_vars_to_rename): Protect against
5972 calling with a PHI_NODE argument.
5974 * tree-flow-inline.h (overlap_subvar): Protect against
5977 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
5979 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5980 * configure: Regenerate.
5982 2005-07-25 Ira Rosen <irar@il.ibm.com>
5984 * expr.c (highest_pow2_factor): Make extern.
5985 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
5986 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5987 record_array_differ_p, array_ptr_differ_p): Likewise.
5988 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5989 additional cases. Call the above functions.
5990 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5991 base_object_differ_p when there are two base objects. Otherwise, compare
5992 base address and offset. Call may_alias_p.
5993 (dump_data_reference): Use a correct field name.
5994 (analyze_array): Make static. Initialize new data-ref fields.
5995 (analyze_indirect_ref): New function.
5996 (init_data_ref): Initialize new data-ref fields.
5997 (strip_conversion): Moved from tree-vect-analyze.c.
5998 (analyze_offset_expr, get_ptr_offset, address_analysis,
5999 object_analysis): Likewise.
6000 (analyze_offset): New function.
6001 (create_data_ref): Likewise.
6002 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6003 dimensions for ARRAY_REFs only.
6004 (build_classic_dist_vector): Make static.
6005 (access_functions_are_affine_or_constant_p): Call macro to get the
6006 address of access functions.
6007 (compute_all_dependences): Add new parameter
6008 compute_self_and_read_read_dependences. Compute self and read-read
6009 dependences if it is true.
6010 (find_data_references_in_loop): Call create_data_ref. Initialize new
6012 (compute_data_dependences_for_loop): Add new parameter
6013 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6014 compute nb_loops. Call compute_all_dependences,
6015 build_classic_dist_vector and build_classic_dir_vector with correct
6017 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6018 with correct parameters. Compare dimensions for ARRAY_REFs only.
6019 (free_data_refs): Call macro to free access functions.
6020 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6021 fields from stmt_vinfo.
6022 (struct base_object_info): New structure.
6023 (struct data_reference): Move fields to base_object_info. Add fields
6024 first_location and object_info for above structures. Move fields from
6025 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6026 aligned_to. Add macros to access the new fields.
6027 Update functions declarations.
6028 * tree-flow.h (is_aliased_with): Declare.
6029 * tree-loop-linear.c (linear_transform_loops): Call
6030 compute_data_dependences_for_loop with correct parameters.
6031 * tree-ssa-alias.c (is_aliased_with): New function.
6032 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6033 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6034 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6035 vect_base_addr_differ_p, compute_subscript_distance and
6036 build_classic_dist_vector. Add printings. Check absolute value of
6038 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6040 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6041 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6042 to bytes. Add printing.
6043 (vect_compute_data_refs_alignment): Go through loads and stores in one
6045 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6046 vect_analyze_data_ref_access): Likewise.
6047 (vect_analyze_pointer_ref_access): Remove.
6048 (vect_address_analysis, vect_object_analysis): Likewise.
6049 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6050 and analyze data-refs in the loop.
6051 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6052 fields of data-ref instead of stmt. Add init to the offset from the
6054 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6055 (vect_update_init_of_dr): Likewise.
6056 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6057 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6059 (new_loop_vec_info): Initialize new fields.
6060 (destroy_loop_vec_info): Free new fields.
6061 (vect_strip_conversion): Remove.
6062 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6063 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6064 datarefs. Add new field ddrs.
6065 Add macros for the new fields access.
6066 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6067 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6068 Remove their macros.
6069 * tree.h (highest_pow2_factor): Declare.
6071 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6073 * calls.c (store_one_arg): Check for sibling call MEM arguments
6074 from already clobbered incoming argument area.
6076 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6078 * c-common.c (check_missing_format_attribute): New.
6079 * c-common.h (check_missing_format_attribute): Likewise.
6080 * c-typeck.c (convert_for_assignment): Use it.
6082 2005-07-24 Andreas Schwab <schwab@suse.de>
6084 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6085 register use a word move. Correct operand of ext.w in 68000 code.
6087 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6089 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6090 variables as declarations, rather than definitions.
6092 2005-07-24 Ira Rosen <irar@il.ibm.com>
6094 PR tree-optimization/22526
6095 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6098 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6100 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6101 that C99 reserve for future use. Use it to define clog10,
6102 clog10f and clog10l.
6104 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6106 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6107 * configure.ac: Check for -Wmissing-format-attribute.
6109 * configure: Regenerate.
6111 2005-07-23 Richard Henderson <rth@redhat.com>
6113 PR tree-optimization/22623
6114 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6116 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6119 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6121 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6123 * Makefile.in (C_TREE_H): Update dependencies.
6124 * c-tree.h: Include toplev.h.
6125 * diagnostic.h (diagnostic_set_info): Add format attribute.
6126 * rtl-error.c (diagnostic_for_asm): Likewise.
6128 2005-07-23 Chao-ying Fu <fu@mips.com>
6130 * config/mips/mips-dsp.md: New file.
6131 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6132 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6134 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6135 MIPS_BUILTIN_BPOSGE32.
6136 (mips_expand_builtin_direct): Add one parameter to indicate that
6137 builtin functions need to return a value.
6138 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6140 (mips_regno_to_class): Add classes for 12 new DSP registers.
6141 (mips_subword): Change to check four HI registers.
6142 (mips_output_move): Output move to and from 6 new DSP accumulators.
6143 (override_options): Make sure -mdsp and -mips16 are not used together.
6144 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6146 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6148 (print_operand): Add 'q' for printing DSP accumulators.
6149 (mips_cannot_change_mode_class): Check ACC_REGS.
6150 (mips_secondary_reload_class): Check ACC_REGS.
6151 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6152 (mips_register_move_cost): Check ACC_REGS.
6153 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6154 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6155 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6156 (dsp_bdesc): New array.
6157 (bdesc_arrays): Add DSP builtin function table.
6158 (mips_prepare_builtin_arg): Check predicate again after
6160 (mips_expand_builtin): Add one more parameter to
6161 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6162 MIPS_BUILTIN_BPOSGE32.
6163 (mips_init_builtins): Initialize new function types.
6164 (mips_expand_builtin_direct): Check if builtin functions need to
6165 return a value and pass operands properly.
6166 (mips_expand_builtin_bposge): New function.
6167 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6168 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6169 (FIRST_PSEUDO_REGISTER): Increase to 188.
6170 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6171 Update for 12 new DSP registers.
6172 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6173 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6174 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6175 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6176 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6177 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6178 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6179 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6180 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6181 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6182 (REGISTER_NAMES): Add names for 12 new DSP registers.
6183 * config/mips/mips.md: Include mips-dsp.md.
6184 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6185 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6186 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6187 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6188 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6189 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6190 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6191 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6192 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6193 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6194 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6195 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6196 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6197 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6198 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6199 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6200 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6201 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6202 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6203 (UNSPEC_RDDSP): New constants.
6204 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6205 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6207 * config/mips/mips.opt (-mdsp): New option.
6208 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6209 (reg_imm10_operand): New predicates.
6210 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6211 * doc/invoke.texi (-mdsp): Document new option.
6213 2005-07-22 DJ Delorie <dj@redhat.com>
6215 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6217 * tree-inline.c (inlinable_function_p): Likewise.
6219 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6222 * toplev.c (check_global_declarations): Do not mark undefined
6223 variables as DECL_IGNORED_P.
6224 * varasm.c (first_global_object_name): GTY it.
6225 (weak_global_object_name): Likewise.
6226 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6227 a string to go into {weak,first}_global_object_name.
6229 2005-07-22 DJ Delorie <dj@redhat.com>
6231 * c-format.c (check_function_format): Change warning control
6232 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6234 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6236 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6237 &PTR->FLD a dereference of PTR.
6238 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6239 a potential dereference of PTR.
6241 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6243 PR rtl-optimization/20370
6244 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6245 call allocate_reg_info if necessary.
6247 PR rtl-optimization/21848
6248 * calls.c (emit_library_call_value_1): For const functions, add
6249 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6251 PR rtl-optimization/22445
6252 * cselib.c (target.h): Include.
6253 (rtx_equal_for_cselib_p): Allow commutative matches.
6254 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6255 Remove MODE parameter. Changed all callers.
6257 PR rtl-optimization/22258
6258 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6260 (try_combine): Use likely_spilled_retval_p.
6262 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6264 * config.gcc: Add crx-elf support.
6266 * doc/contrib.texi: Mention crx.
6267 * doc/extend.texi: Document crx extensions.
6268 * doc/install.texi: Document crx install.
6269 * doc/invoke.texi: Document crx options.
6270 * doc/md.texi: Document crx constraints.
6272 * config/crx/crx-protos.h: New file.
6273 * config/crx/crx.c: New file.
6274 * config/crx/crx.h: New file.
6275 * config/crx/crx.md: New file.
6276 * config/crx/crx.opt: New file.
6277 * config/crx/t-crx: New file.
6279 2005-07-22 Manfred Hollstein <mh@suse.com>
6281 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6283 (int_add_graph_edge): Likewise.
6284 (collapse_nodes): Likewise.
6285 (process_unification_queue): Likewise.
6287 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6288 Laurent GUERBY <laurent@guerby.net>
6290 PR tree-optimization/22336
6291 * function.c (record_block_change): Check for
6292 cfun->ib_boundaries_block.
6294 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6296 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6297 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6299 2005-07-21 DJ Delorie <dj@redhat.com>
6301 * toplev.c (warn_deprecated_use): Add warning control to warning
6303 * c-typeck.c (parser_build_binary_op): Likewise.
6304 (c_finish_if_stmt): Likewise.
6305 * c-common.c (check_function_sentinel): Likewise.
6306 (check_nonnull_arg): Likewise.
6308 2005-07-21 Richard Henderson <rth@redhat.com>
6311 * tree-complex.c (complex_ssa_name_components): New.
6312 (cvc_lookup): Allow entry not found.
6313 (create_components): Remove.
6314 (create_one_component_var, get_component_var): New.
6315 (get_component_ssa_name, set_component_ssa_name): New.
6316 (extract_component): Use get_component_ssa_name.
6317 (update_complex_components): Use set_component_ssa_name.
6318 (update_complex_components_on_edge): Likewise.
6319 (update_phi_components): Create new PHI nodes directly, instead
6320 of adding insns to edges.
6321 (tree_lower_complex): Allocate and free complex_variable_components
6322 and complex_ssa_name_components here.
6324 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6326 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6327 revert to returning false.
6329 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6332 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6334 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6337 * config/i386/i386.md (cmpxf): Change operand constraints
6338 to "nonmemory_operand".
6340 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6342 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6344 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6347 * fold-const.c (fold_build1): Add checksum for the operands.
6348 (fold_build2): Likewise.
6349 (fold_build3): Likewise.
6351 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6354 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6356 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6358 * common.opt (-fforward-propagate): Committed by mistake,
6361 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6363 * reg-stack.c: Fix comment typo(s).
6364 * tree-ssa-operands.c: Likewise.
6365 * tree-vectorizer: Likewise.
6367 2005-07-21 Nick Clifton <nickc@redhat.com>
6369 * config/sh/symbian.c: Replace C++ style line comments with C
6370 style line comments.
6371 (symbian_add_attribute): Do not use a ? operator on the LHS of
6373 (sh_symbian_handle_dll_attribute): Change the type of the
6374 method vector to "VEC(tree,gc)*" and use vector accessor
6375 macros to walk over the elements.
6376 (symbian_export_vtable_and_rtti_p): Likewise.
6377 (symbian_class_needs_attribute_p): Likewise.
6379 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6382 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6383 initialize targetm.resolve_overloaded_builtin here.
6384 (altivec_expand_overloaded_builtin): Make it non-static.
6385 * config/rs6000/rs6000-protos.h
6386 (altivec_expand_overloaded_builtin): New prototype.
6387 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6388 targetm.resolve_overloaded_builtin here.
6389 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6391 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6392 Zdenek Dvorak <dvorakz@suse.cz>
6394 PR tree-optimization/19210
6395 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6397 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6398 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6399 rely on unproven assumptions.
6400 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6401 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6402 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6403 to number_of_iterations_exit.
6404 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6405 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6406 * tree-ssa-loop-niter.c (find_loop_niter,
6407 estimate_numbers_of_iterations_loop): Likewise.
6408 (number_of_iterations_exit): Honor the new options.
6409 * doc/invoke.texi (Wunsafe-loop-optimizations,
6410 funsafe-loop-optimizations): Document them.
6412 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6414 PR rtl-optimization/22167
6415 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6417 2005-07-20 Adam Nemet <anemet@lnxw.com>
6419 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6420 __do_global_dtors_aux longcall.
6422 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6424 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6425 (old_special_pred_table): Don't reference
6426 SPECIAL_MODE_PREDICATES.
6427 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6428 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6429 * config/sh/predicates.h: Don't mention
6430 SPECIAL_MODE_PREDICATES.
6431 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6434 2005-07-20 DJ Delorie <dj@redhat.com>
6436 * config.gcc: Add m32c-elf support.
6438 * doc/contrib.texi: Mention m32c.
6439 * doc/extend.texi: Document m32c extensions.
6440 * doc/install.texi: Mention m32c.
6441 * doc/invoke.texi: Document m32c options.
6442 * doc/md.texi: Document m32c constraints.
6444 * config/m32c/addsub.md: New file.
6445 * config/m32c/bitops.md: New file.
6446 * config/m32c/cond.md: New file.
6447 * config/m32c/jump.md: New file.
6448 * config/m32c/m32c-lib1.S: New file.
6449 * config/m32c/m32c-lib2.c: New file.
6450 * config/m32c/m32c-modes.def: New file.
6451 * config/m32c/m32c-pragma.c: New file.
6452 * config/m32c/m32c-protos.h: New file.
6453 * config/m32c/m32c.abi: New file.
6454 * config/m32c/m32c.c: New file.
6455 * config/m32c/m32c.h: New file.
6456 * config/m32c/m32c.md: New file.
6457 * config/m32c/m32c.opt: New file.
6458 * config/m32c/minmax.md: New file.
6459 * config/m32c/mov.md: New file.
6460 * config/m32c/muldiv.md: New file.
6461 * config/m32c/predicates.md: New file.
6462 * config/m32c/prologue.md: New file.
6463 * config/m32c/shift.md: New file.
6464 * config/m32c/t-m32c: New file.
6466 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6468 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6469 (stack_protect_set, stack_protect_test): New expanders.
6470 (stack_protect_set_si, stack_protect_set_si_media,
6471 stack_protect_set_di_media, stack_protect_test_si,
6472 stack_protect_test_si_media, stack_protect_test_di_media):
6475 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6477 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6479 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6481 * tree.h (tree_expr_nonzero_p): Export.
6482 * fold-const.c (tree_expr_nonzero_p): Likewise.
6483 Return true for CALL_EXPRs that are alloca calls.
6484 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6486 * tree-flow.h (expr_computes_nonzero): Remove.
6487 * tree-vrp.c (expr_computes_nonzero): Remove.
6488 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6489 (extract_range_from_unary_expr): Likewise.
6490 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6491 tree_expr_nonzero_p.
6493 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6495 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6496 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6497 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6498 All callers changed.
6499 (frame_related_constant_load): New arg "related" which controls
6500 setting of RTX_FRAME_RELATED_P. All callers changed.
6501 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6502 (bfin_expand_prologue): Add stack limit checking.
6503 * config/bfin/bfin.md (trapifcc): New pattern.
6505 * config/bfin/bfin.c: Include "langhooks.h".
6506 (def_builtin): Go through lang_hooks to call builtin_function.
6508 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6509 * config/bfin/predicates.md (symbol_ref_operand): New.
6510 (call_insn_operand): Delete. All callers changed to use
6511 register_no_elim_operand.
6512 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6514 (function_arg): Use it to generate the call's operand 2.
6515 (bfin_longcall_p): New function.
6516 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6517 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6518 determine if the address needs to be in a REG.
6519 (bfin_handle_longcall_attribute): New function.
6520 (bfin_attribute_table): Add "longcall" and "shortcall".
6521 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6522 (CUMULATIVE_ARGS): New member call_cookie.
6523 (PREDICATE_CODES): Add symbol_ref_operand.
6524 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6525 extra USE to the pattern.
6526 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6527 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6528 sibcall_value_insn; now the new patterns handle direct calls and the
6529 old ones indirect calls.
6530 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6532 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6534 * doc/trouble.texi: Update section on handling of empty loops.
6536 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6538 * config.gcc: Remove support for sparc-*-openbsd*,
6539 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6541 * config.host: Remove support for i860-*-sysv4* as a host.
6542 * config/i860/*, config/ip2k/*, config/ns32k/*,
6543 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6544 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6545 mention obsolete ports.
6547 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6549 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6551 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6552 of frame_pointer_rtx.
6553 (sh_expand_epilogue): Likewise.
6554 (sh_set_return_address): Likewise.
6555 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6556 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6557 offsets from FRAME_POINTER_REGNUM.
6558 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6559 (sh_register_names): Add initializer for sfp.
6560 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6561 (VALID_REGISTER_P): Likewise.
6562 (FIRST_PSEUDO_REGISTER): Update.
6563 (DWARF_FRAME_REGISTERS): Define.
6564 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6565 (HARD_FRAME_POINTER_REGNUM): Define.
6566 (FRAME_POINTER_REGNUM): Redefine.
6567 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6568 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6569 from FRAME_POINTER_REGNUM.
6570 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6571 FRAME_POINTER_REGNUM.
6572 (REG_CLASS_CONTENTS): Add sfp.
6573 (REG_ALLOC_ORDER): Likewise.
6574 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6575 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6576 of frame_pointer_rtx.
6577 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6579 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6581 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6582 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6583 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6585 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6588 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6590 Make CONSTRUCTOR use VEC to store initializers.
6591 * c-common.c (complete_array_type): Update to cope with VEC in
6593 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6594 (pp_c_constructor_elts): New function.
6595 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6596 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6597 struct constructor_stack, struct initializer_stack,
6598 constructor_elements, push_init_level, pop_init_level,
6599 add_pending_init, find_init_member, output_init_element): Update to
6600 cope with VEC in CONSTRUCTOR_ELTS.
6601 * coverage.c (build_fn_info_value, build_ctr_info_value,
6602 build_gcov_info): Likewise.
6603 * expr.c (categorize_ctor_elements_1, store_constructor,
6604 expand_expr_real_1): Likewise.
6605 * fold-const.c (fold_ternary): Likewise.
6606 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6607 gimplify_init_constructor, gimplify_expr): Likewise.
6608 * tree-dump.c (dequeue_and_dump): Likewise.
6609 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6611 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6613 * tree-sra.c (generate_element_init_1): Likewise.
6614 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6615 * tree-ssa-operands.c (get_expr_operands): Likewise.
6616 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6617 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6618 (get_initial_def_for_reduction): Likewise.
6619 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6620 value handle in annotations.
6621 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6622 tree_node_structure): Add support for constr_kind.
6623 (build_vector_from_ctor, build_constructor_single,
6624 build_constructor_from_list): New functions.
6625 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6626 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6627 Update to cope with VEC in CONSTRUCTOR_ELTS.
6628 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6629 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6630 CONSTRUCTOR_APPEND_ELT): New macros.
6631 (struct constructor_elt, struct tree_constructor): New data types.
6632 (union tree_node): Add tree_constructor field.
6633 * treestruct.def: Define TS_CONSTRUCTOR.
6634 * varasm.c (const_hash_1, compare_constant, copy_constant,
6635 compute_reloc_for_constant, output_addressed_constants,
6636 initializer_constant_valid_p, output_constant,
6637 array_size_for_constructor, output_constructor): Update to cope with
6638 VEC in CONSTRUCTOR_ELTS.
6639 * vec.h (VEC_empty, VEC_copy): New macros.
6641 2005-07-19 Devang Patel <dpatel@apple.com>
6643 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6645 2005-07-19 Richard Henderson <rth@redhat.com>
6648 * gimplify.c (gimplify_expr): Use main variant type for the temp
6649 destination for a discarded volatile read.
6650 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6651 casts between non-void types that change volatility.
6653 2005-07-15 DJ Delorie <dj@redhat.com>
6655 * toplev.h: Add comment about the first parameter for warning().
6656 * errors.h: Likewise.
6658 * c.opt (Wpragmas): New.
6659 * doc/invoke.texi: Document it.
6661 * function.c (do_warn_unused_parameter): Add warning control to
6663 * c-decl.c (warn_if_shadowing): Likewise.
6664 * c-lex.c (cb_def_pragma): Likewise.
6665 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6666 (pop_alignment): Likewise.
6667 (handle_pragma_pack): Likewise.
6668 (apply_pragma_weak): Likewise.
6669 (handle_pragma_weak): Likewise.
6670 (handle_pragma_redefine_extname): Likewise.
6671 (add_to_renaming_pragma_list): Likewise.
6672 (handle_pragma_extern_prefix): Likewise.
6673 (maybe_apply_renaming_pragma): Likewise.
6674 (handle_pragma_visibility): Likewise.
6676 * config/c4x/c4x-c.c (BAD): Likewise.
6677 (c4x_parse_pragma): Likewise.
6678 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6679 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6680 (rs6000_pragma_longcall): Likewise.
6681 * config/v850/v850-c.c (pop_data_area): Likewise.
6682 (ghs_pragma_section): Likewise.
6683 (ghs_pragma_section): Likewise.
6684 (ghs_pragma_interrupt): Likewise.
6685 (ghs_pragma_starttda): Likewise.
6686 (ghs_pragma_startsda): Likewise.
6687 (ghs_pragma_startzda): Likewise.
6688 (ghs_pragma_endtda): Likewise.
6689 (ghs_pragma_endsda): Likewise.
6690 (ghs_pragma_endzda): Likewise.
6692 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6693 Kenneth Zadeck <zadeck@naturalbridge.com>
6695 * Makefile.in: Removed tree-promote-statics.c
6696 * tree-promote-statics.c: Removed.
6697 * common.opt: Removed flag-promote-statics.
6699 * passes.c: Removed tree-promote-statics pass.
6700 * tree-pass.h: Ditto.
6701 * timevar.def: Removed TV_PROMOTE_STATICS.
6704 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6706 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6708 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6710 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6713 * c-common.c (check_function_arguments): Call
6714 'check_function_format' if either -Wformat or
6715 -Wmissing-format-attribute are specified.
6716 * c-format.c (check_function_format): Check -Wformat before
6717 calling 'check_format_info'.
6718 * c-opts.c (c_common_post_options): Don't warn for
6719 -Wmissing-format-attribute without -Wformat.
6720 * c-typeck.c (convert_for_assignment): Detect additional cases for
6721 -Wmissing-format-attribute.
6722 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6725 2005-07-19 Richard Guenther <rguenther@suse.de>
6727 * config/i386/i386.md (lrint<mode>2): Use temporary
6728 instead of clobbering non-existent memory.
6730 2005-07-19 Nick Clifton <nickc@redhat.com>
6732 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6733 statement to avoid displaying ASCII control characters.
6735 2005-07-19 Ben Elliston <bje@au.ibm.com>
6737 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6738 * cfganal.c (find_edge_index): Ditto.
6739 * combine.c (combine_instructions): Ditto.
6740 * ddg.c (create_scc): Ditto.
6741 (find_successors): Ditto.
6742 (find_predecessors): Ditto.
6743 (find_nodes_on_paths): Ditto.
6744 (longest_simple_path): Ditto.
6745 * flow.c (update_life_info): Ditto.
6746 (count_or_remove_death_notes): Ditto.
6747 (clear_log_links): Ditto.
6748 * modulo-sched.c (generate_reg_moves): Ditto.
6749 (find_max_asap): Ditto.
6750 (find_max_hv_min_mob): Ditto.
6751 (find_max_dv_min_mob): Ditto.
6752 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6753 * sched-rgn.c (extract_edgelst): Ditto.
6754 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6755 (dump_update_ssa): Ditto.
6756 (ssa_names_to_replace) Ditto.
6757 (switch_virtuals_to_full_rewrite): Ditto.
6758 (update_ssa): Ditto.
6759 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6761 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6763 Fix PR tree-optimization/22483
6765 * tree-complex.c (create_components): Use
6766 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6767 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6768 * tree-flow.h (safe_referenced_var_iterator): New structure.
6769 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6770 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6771 safe_referenced_var iterator.
6772 (add_type_alias): Ditto.
6774 2005-07-19 Steven Bosscher <stevenb@suse.de>
6776 * loop-init.c (rest_of_handle_loop2): Remove.
6777 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6778 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6779 (pass_rtl_loop_init, pass_rtl_loop_done,
6780 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6781 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6782 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6783 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6784 pass_tree_loop_done, and pass_tree_unswitch.
6785 (gate_loop): Rename to gate_tree_loop.
6786 * passes.c (init_optimization_passes): Update for renamed tree
6787 loop passes. Add the new loop2 passes as subpasses of loop2.
6788 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6789 Update for the renamed tree loop passes.
6791 2005-07-18 Ian Lance Taylor <ian@airs.com>
6794 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6795 blocks when optimizing.
6797 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6799 * common.opt (frename-registers): Initialize to 2.
6801 (fgcse-after-reload): Ditto.
6802 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6803 (process_options): Only change flag_web, flag_rename_registers,
6804 and flag_rerun_cse_after_loop if not explicitly set by user.
6806 2005-07-18 Jan Beulich <jbeulich@novell.com>
6808 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6809 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6810 in 64-bit mode the same as DImode in 32-bit mode.
6811 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6812 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6813 mode. Add new mode parameter.
6814 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6815 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6816 x86_64_shift_adj): New expanders.
6817 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6818 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6820 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6821 DImode shift splitters.
6822 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6823 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6826 2005-07-18 Jan Beulich <jbeulich@novell.com>
6828 * i386.md (movdi_extzv_1): New.
6829 (zero_extendhidi2): Combine alternatives and never force use of
6831 (zero_extendqidi2): Likewise. Don't restrict input selection.
6833 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6835 Fix PR tree-optimization/22531
6836 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6839 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6841 * tree-promote-statics.c (pass_promote_statics): Change dump file
6844 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6846 * tree-optimize.c (init_tree_optimization_passes): Add
6847 pass_eliminate_useless_stores pass.
6848 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6849 * tree-ssa-pre.c (is_copy_stmt): New function.
6850 (follow_copies_till_vuse): Ditto.
6851 (do_eustores): Ditto.
6852 (gate_eustores): Ditto.
6854 2005-07-16 Richard Henderson <rth@redhat.com>
6856 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6858 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6859 Kenneth Zadeck <zadeck@naturalbridge.com>
6861 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6862 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6863 ipa-type-escape.h, tree-promote-statics.c
6864 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6865 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6866 tree-promote-statics.c: new files.
6867 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6868 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6869 int nonlocal_set_p, mark_constant_function): Deleted.
6870 (rest_of_handle_cfg): Removed call to mark_constant_function.
6871 (nonoverlapping_component_refs_p): Added calls to support
6872 type based aliasing.
6873 * tree-ssa-alias.c (may_alias_p,
6874 compute_flow_insensitive_aliasing): Ditto.
6875 * calls.c (flags_from_decl_or_type): Removed reference to
6877 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6878 too many arguments. This is necessary for Spec 2000.
6879 * cgraph.h (const_function, pure_function): Removed.
6880 * common.opt: Added "fipa-pure-const", "fipa-reference",
6881 "fipa-type-escape", and "ftree-promote-static".
6883 * passes.c: Added ipa and tree-promote-statics passes.
6884 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6885 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6886 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6887 * tree-flow.h: Added exposed sra calls and addition of
6888 reference_vars_info field for FUNCTION_DECLS.
6889 * tree-pass.h: Added passes.
6890 * tree-sra.c: (sra_init_cache): New function.
6891 (sra_insert_before, sra_insert_after) Made public.
6892 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6894 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6895 aliasing. (may_alias_p): Added code to use type escape analysis to
6897 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6898 code to prune clobbers of static variables based on information
6899 produced in ipa-reference pass. Changed call clobbering so that
6900 statics are not marked as clobbered if the call does not clobber
6903 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6905 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6908 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6910 * doc/install.texi (*-*-solaris2*): Document recommended version
6911 of GNU binutils and mention GNU linker problem on Solaris 10.
6913 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
6916 * c-decl.c (c_build_bitfield_integer_type): New function.
6917 (finish_struct): Call it.
6918 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6920 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6922 * c-typeck.c (digest_init): Call 'convert_for_assignment'
6925 2005-07-16 Jan Hubicka <jh@suse.cz>
6927 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6928 (scale_bbs_frequencies_int): Watch roundoff errors.
6929 * predict.c (return_prediction): Initialize return_stmt.
6931 2005-07-16 Jan Hubicka <jh@suse.cz>
6933 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6934 after RTL profiling.
6936 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
6939 * fold-const.c (build_range_check): Convert high/low to etype
6940 if we are only comparing against exp.
6942 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
6944 Fix PR tree-optimization/22376
6945 * tree-ssa-structalias.c (build_constraint_graph): We really meant
6947 (need_to_solve): New function.
6948 (compute_points_to_sets): Use it.
6950 2005-07-15 Jan Hubicka <jh@suse.cz>
6952 * cfg.c (update_bb_profile_for_threading): More diagnostic.
6953 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6955 2005-07-15 Richard Guenther <rguenther@suse.de>
6957 * c-common.c (handle_flatten_attribute): New function.
6958 Add flatten function attribute.
6959 * doc/extend.texi: Document flatten function attribute.
6960 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6961 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6963 (cgraph_decide_inlining): Handle functions with flatten
6966 2005-07-14 David Edelsohn <edelsohn@gnu.org>
6968 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6969 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6970 UNSPEC_XCHG, UNSPEC_AND): New.
6971 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6972 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6973 * config/rs6000/sync.md (FETCHOP): New code macro.
6974 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6976 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6977 (sync_compare_and_swap<mode>): Same.
6978 (sync_lock_test_and_set<mode>): Same.
6979 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6980 for QImode and HImode, and not PPC405.
6981 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6982 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6983 (sync_<fetchop>{si,di}_internal): New.
6984 (sync_nand{si,di}_internal): New.
6985 (sync_old_<fetchop>{si,di}_internal): New.
6986 (sync_old_nand{si,di}_internal): New
6987 (sync_new_<fetchop>{si,di}_internal): New.
6988 (sync_new_nand{si,di}_internal): New.
6989 (atomic_and{si,di}): New.
6990 (sync_new_nand{si,di}_internal): New.
6991 (atomic_and{si,di}): New.
6992 (sync_add<mode>_internal): Delete.
6993 (sync_addshort_internal): Use unspec instead of unspec_volatile.
6994 (sync_sub<mode>_internal): Delte.
6995 (sync_subshort_internal): New.
6996 (sync_andsi_internal): Use unspec instead of unspec_volatile.
6997 (sync_anddi_internal): Delete.
6998 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6999 (sync_booldi_internal): Delete.
7000 (sync_boolc<mode>_internal): Delete.
7001 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7002 (sync_boolc<mode>_internal2): Delete.
7003 (sync_boolcc<mode>_internal): Delete.
7004 (isync, lwsync): Use unspec instead of unspec_volatile.
7005 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7006 Revert UNSPEC_VOLATILE.
7007 (rs6000_split_atomic_op): New.
7008 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7010 2005-07-14 Eric Christopher <echristo@redhat.com>
7012 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7013 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7015 2005-07-14 Eric Christopher <echristo@redhat.com>
7017 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7019 2005-07-14 Steven Bosscher <stevenb@suse.de>
7021 PR tree-optimization/22230
7022 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7023 the computation of the four cross productions for "range op range".
7025 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7026 Ulrich Weigand <uweigand@de.ibm.com>
7029 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7032 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7034 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7036 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7038 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7040 2005-07-14 Richard Guenther <rguenther@suse.de>
7043 * config/i386/i386-protos.h (ix86_function_value): Change
7044 prototype to match new target hook.
7045 * config/i386/i386.c (ix86_value_regno): Change prototype
7046 to take extra type argument.
7047 (TARGET_FUNCTION_VALUE): Define.
7048 (ix86_function_ok_for_sibcall): Pass extra argument to
7049 ix86_value_regno, check return slot rtx for exact match.
7050 (ix86_function_value): Take extra parameter. Dispatch to
7051 ix86_value_regno with fndecl/fntype as provided.
7052 (ix86_value_regno): Handle extra type argument.
7053 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7055 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7056 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7057 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7058 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7059 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7061 2005-07-14 Richard Guenther <rguenther@suse.de>
7063 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7064 * calls.c (expand_call): Pass fntype to hard_function_value.
7065 (emit_library_call_value_1): Likewise.
7066 * explow.c: Include target.h.
7067 (hard_function_value): Take extra argument, the fntype.
7068 Use new target hook for function_value.
7069 * expr.h (hard_function_value): Change prototype.
7070 * function.c (aggregate_value_p): Pass 0 as fntype to
7071 hard_function_value.
7072 (assign_parms): Use new target hook for function_value.
7073 Pass 0 as fntype to hard_function_value.
7074 (expand_function_end): Likewise.
7075 * reg-stack.c: Include target.h.
7076 (stack_result): Use new target hook for function_value.
7077 * target-def.h: New target hook function_value.
7078 * target.h: Likewise.
7079 * targhooks.c (default_function_value): New function.
7080 * targhooks.h (default_function_value): Declare.
7082 2005-07-13 Ian Lance Taylor <ian@airs.com>
7084 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7086 2005-07-14 Jan Hubicka <jh@suse.cz>
7088 * tree-dfa.c (dump_variable): Use default_def function.
7089 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7090 * tree-ssa.c (verify_use): Likewise.
7091 * tree-ssanames.c (release_ssa_name): Likewise.
7092 * tree-tailcall.c (eliminate_tail_call): Likewise.
7093 (tree_optimize_tail_calls_1): Likewise.
7094 * tree-vrp.c (get_value_range): Likewise.
7096 2005-07-14 Ben Elliston <bje@au.ibm.com>
7098 * gcc.c (main): Compare language[0] with '*' when iterating over
7101 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7103 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7104 "s390_emit_compare". Add handling of CCZ1mode.
7105 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7106 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7108 (s390_branch_condition_mask): Add CCZ1mode handling.
7109 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7110 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7111 Use CCZ1mode instead of CCZmode.
7112 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7114 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7116 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7118 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7120 2005-07-13 Eric Christopher <echristo@redhat.com>
7122 * config/mips/mips.c (mips_canonicalize_comparison): New.
7123 (mips_emit_int_relational): Use.
7125 2005-07-13 Eric Christopher <echristo@redhat.com>
7127 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7129 * config/s390/s390.md: Include tpf.md. Move tpf specific
7131 * config/s390/tpf.md: To here.
7132 * config/s390/s390.opt: Move tpf specific options...
7133 * config/s390/tpf.opt: to here. Add mmain option.
7134 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7135 * config/s390/tpf.h: Rewrite.
7137 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7139 * doc/tm.texi: Remove @xref{Cross-profiling}.
7141 2005-07-13 Jeff Law <law@redhat.com>
7143 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7144 expressions, test their _DECL operands for pointer equality rather
7145 than using operand_equal_p.
7147 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7149 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7150 (TARGET_POSIX_IO): This.
7151 * config/darwin.h: Likewise.
7152 * config/freebsd.h: Likewise.
7153 * config/linux.h: Likewise.
7154 * config/lynx.h: Likewise.
7155 * config/netbsd.h: Likewise.
7156 * config/rs6000/linux64.h: Likewise.
7157 * config/rs6000/linux.h: Likewise.
7158 * config/s390/tpf.h: Likewise.
7159 * config/sh/embed-elf.h: Likewise.
7160 * config/sparc/linux64.h: Likewise.
7161 * config/sparc/linux.h: Likewise.
7162 * config/svr4.h: Likewise.
7163 * gcov-io.h: Likewise.
7165 * doc/tm.texi: Updated.
7167 * libgcov.c (create_file_directory): Defined only if
7168 TARGET_POSIX_IO is defined.
7169 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7172 2005-07-13 Jan Hubicka <jh@suse.cz>
7174 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7176 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7178 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7179 structure as argument.
7181 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7183 PR tree-optimization/21921
7184 * tree-iterator.c (tsi_link_before): Support the case when
7185 tsi_end_p (tsi) == true.
7187 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7189 PR tree-optimization/22442
7190 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7193 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7195 PR rtl-optimization/20376
7196 * toplev.c (process_options): Enable -fweb and -frename-registers when
7198 * doc/invoke.texi: Update the information about when -fweb and
7199 -frename-registers are enabled.
7201 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7204 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7205 if *rhs_p is not a SSA_NAME.
7207 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7209 Fix PR tree-optimization/22422
7210 * tree-ssa-structalias.c (struct variable_info): Add flag for
7212 (get_varinfo): Now a static function.
7213 (new_varinfo): init has_union and is_special_var to false.
7214 (solution_set_add): Check has_union.
7215 (do_da_constraint): Move temporary variable so it gets reset
7217 Also check for special variable.
7218 (do_ds_constraint): Ditto.
7219 (do_sd_constraint): Ditto.
7220 (do_structure_copy): Check for special variable.
7221 (find_func_aliases): Ditto.
7222 (init_base_vars): Set special vars properly.
7224 2005-07-13 Jan Hubicka <jh@suse.cz>
7226 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7229 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7230 (get_expr_operands): Fix thinko wrt flags and subvars.
7232 PR tree-optimize/22379
7233 * tree-inline.c (expand_call_inline): Do not output sorry in early
7236 2005-07-12 Dale Johannesen <dalej@apple.com>
7238 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7240 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7243 * host-linux.h: Include limits.h.
7245 2005-07-12 Dale Johannesen <dalej@apple.com>
7247 * expr.c (compress_float_constant): Add cost check.
7248 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7250 2005-07-12 Dale Johannesen <dalej@apple.com>
7252 * gcc.target/i386/compress-float-sse.c: New.
7253 * gcc.target/i386/compress-float-sse-pic.c: New.
7254 * gcc.target/i386/compress-float-387.c: New.
7255 * gcc.target/i386/compress-float-387-pic.c: New.
7256 * gcc.dg/compress-float-ppc.c: New.
7257 * gcc.dg/compress-float-ppc-pic.c: New.
7259 2005-07-12 Eric Christopher <echristo@redhat.com>
7261 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7263 * config/s390/s390.md: Include tpf.md. Move tpf specific
7265 * config/s390/tpf.md: To here.
7266 * config/s390/s390.opt: Move tpf specific options...
7267 * config/s390/tpf.opt: to here. Add mmain option.
7268 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7269 * config/s390/tpf.h: Rewrite.
7271 2005-07-12 Eric Christopher <echristo@redhat.com>
7273 * gcc.c (struct infile): Update comment for language.
7274 (main): Rewrite input file resetting code.
7276 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7279 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7280 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7281 (lookup_avail_expr): Use constant_boolean_node instead
7282 of boolean_false_node/boolean_true_node.
7284 2005-07-12 Ben Elliston <bje@au.ibm.com>
7286 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7287 and use it when printing num_edges.
7289 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7291 * doc/extend.texi (Blackfin Built-in Functions): New section.
7292 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7295 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7297 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7298 s/cmpstrsi/cmpstrnsi
7299 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7301 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7302 (init_optabs): Initialize cmpstrn_optab.
7303 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7304 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7305 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7306 * config/i386/i386.md: s/cmpstr/cmpstrn
7307 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7308 * doc/md.texi: Update documentation.
7310 2005-07-11 Richard Henderson <rth@redhat.com>
7312 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7313 build_va_arg_indirect_ref.
7314 (alpha_gimplify_va_arg): Likewise.
7315 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7316 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7317 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7318 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7319 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7320 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7322 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7324 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7326 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7327 * passes.c (init_optimization_passes): Add pass_empty_loop.
7328 * tree-pass.h (pass_empty_loop): Declare.
7329 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7330 try_remove_empty_loop, remove_empty_loops): New functions.
7331 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7332 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7334 2005-07-12 Peter Barada <peter@the-baradas.com>
7338 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7339 in address registers.
7340 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7341 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7342 alternative of addsi3_5200.
7344 2005-07-11 Ian Lance Taylor <ian@airs.com>
7346 * config/mips/mips.md (ffs<mode>2): Remove.
7348 2005-07-11 Ian Lance Taylor <ian@airs.com>
7350 * doc/tree-ssa.texi (Cleanups): Improve description of
7352 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7354 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7356 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7357 * tree.h (DECL_ARGUMENT_FLD): New macro.
7359 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7361 Fix PR tree-optimization/22404
7363 * tree-ssa-structalias.c (create_variable_info_for): Use
7366 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7368 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7369 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7370 for second comparison operand.
7371 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7373 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7374 (define_insn_reservation "alu"): Likewise.
7375 (csync, ssync): Now of type sync.
7376 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7377 -mcsync-anomaly -mspecld-anomaly.
7378 * config/bfin/bfin.opt (mcsync): Remove.
7379 (mcsync-anomaly, mspecld-anomaly): Add.
7380 * config/bfin/bfin.c: Include "insn-codes.h".
7381 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7382 (TARGET_DEFAULT_TARGET_FLAGS): New.
7383 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7385 2005-07-11 Steven Bosscher <stevenb@suse.de>
7387 * basic-block.h: Give the BB flags enum a name, bb_flags.
7388 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7389 * cfgcleanup.c (enum bb_flags): Remove here.
7390 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7391 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7392 (update_forwarder_flag): Likewise.
7393 (thread_jump): Likewise.
7394 (try_forward_edges): Likewise.
7395 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7396 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7397 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7399 2005-07-11 Richard Guenther <rguenther@suse.de>
7401 * config/i386/i386.opt: New target option -msseregparm.
7402 * config/i386/i386.c (override_options): Error out for
7403 -msseregparm but no SSE support.
7404 (ix86_function_sseregparm): Check for global sseregparm.
7405 * doc/invoke.texi: Document -msseregparm.
7407 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7409 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7410 (m32rle-*-linux*): Ditto.
7412 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7414 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7415 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7418 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7422 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7423 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7425 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7427 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7428 (varmap): Heapify varmap.
7429 (constraints): Heapify constraints.
7430 (struct constraint_graph): Heapify succs and preds.
7431 (constraint_vec_find): Update for heapification.
7432 (constraint_set_union): Ditto.
7433 (insert_into_complex): Ditto.
7434 (constraint_edge_vec_find): Ditto.
7435 (erase_graph_self_edge): Ditto.
7436 (add_graph_edge): Ditto.
7437 (get_graph_weights): Ditto.
7438 (merge_graph_nodes): Ditto.
7439 (build_constraint_graph): Ditto.
7440 (topo_visit): Ditto.
7441 (solve_graph): Ditto.
7442 (create_variable_info_for): Ditto.
7443 (init_base_vars): Ditto.
7444 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7445 (condese_varmap_nodes): Free complex vector.
7446 (clear_edges_for_node): Clear succs and preds vector.
7448 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7450 * tree-ssa-structalias.c (update_alias_info): Change counting of
7451 references to not include vdefs.
7453 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7455 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7458 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7460 * pa.c (pa_commutative_p): Make PLUS commutative when
7461 TARGET_NO_SPACE_REGS is true.
7463 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7465 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7466 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7467 * tree-dfa.c (dump_subvars_for): New.
7468 (debug_subvars_for): New.
7469 (dump_variable): Show subvariables if VAR has them.
7470 * tree-flow-inline.h (get_subvar_at): New.
7471 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7472 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7474 (struct subvar): Change fields offset and size to unsigned
7476 (dump_subvars_for): Declare.
7477 (debug_subvars_for): Declare.
7478 (get_subvar_at): Declare.
7479 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7480 to unsigned HOST_WIDE_INT *.
7481 (overlap_subvar): Likewise.
7482 * tree-gimple.c (is_gimple_reg): Always return false for
7483 SFTs and memory tags.
7484 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7486 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7487 (compute_may_aliases): Call compute_points_to_sets.
7488 (collect_points_to_info_for): Remove.
7489 (compute_points_to_and_addr_escape): Remove.
7490 (delete_alias_info): Call delete_points_to_sets.
7491 (compute_flow_sensitive_aliasing): If the call to
7492 find_what_p_points_to returns false, call set_pt_anything.
7493 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7494 (set_pt_anything): Clear pi->pt_vars.
7495 (set_pt_malloc): Remove.
7496 (merge_pointed_to_info): Remove.
7497 (add_pointed_to_expr): Remove.
7498 (add_pointed_to_var): Remove.
7499 (collect_points_to_info_r): Remove.
7500 (is_escape_site): Make extern.
7502 (create_overlap_variables_for): Call it.
7503 * tree-ssa-copy.c (merge_alias_info): Never merge
7504 flow-sensitive alias information.
7505 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7506 offset and size to be unsigned HOST_WIDE_INT.
7507 (add_to_addressable_set): Rename from note_addressable.
7508 Set TREE_ADDRESSABLE as the variables are added to the set.
7510 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7511 operands into VUSEs when adding V_MAY_DEFs for members in an
7513 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7514 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7515 (struct variable_info): Add bitfield is_heap_var.
7516 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7517 (new_var_info): Initialize is_heap_var.
7518 (get_constraint_for): Add HEAP variables to the symbol table.
7519 Mark them with is_heap_var.
7520 (update_alias_info): New. Taken mostly from the old
7521 compute_points_to_and_addr_escape.
7522 (handle_ptr_arith): New.
7523 (find_func_aliases): Call update_alias_info.
7524 Call handle_ptr_info for tcc_binary expressions.
7525 Call mark_stmt_modified.
7526 (create_variable_info_for): If DECL has subvars, do not create
7527 variables for its subvars. Always add all the fields.
7528 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7529 SFTs, then add all the SFTs of the structure.
7530 If VI->DECL is an aggregate with subvariables, add the SFT at
7532 (find_what_p_points_to): If VI is an artificial variable,
7533 translate to bitfields in SSA_NAME_PTR_INFO.
7534 If the solution is empty, set pi->pt_vars to NULL
7535 (init_base_vars): Create ANYOFFSET.
7536 (compute_points_to_sets): Rename from create_alias_vars.
7538 (pass_build_pta): Remove.
7539 (delete_points_to_sets): Rename from delete_alias_vars.
7540 (pass_del_pta): Remove.
7541 * tree-ssa-structalias.h (struct alias_info): Move from
7543 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7544 NUM_REFERENCES_SET): Likewise.
7545 (compute_points_to_sets, delete_points_to_sets): Declare.
7547 2005-07-09 Richard Henderson <rth@redhat.com>
7549 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7550 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7551 alpha_split_lock_test_and_set_12): New functions.
7552 * config/alpha/alpha-protos.h: Update.
7553 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7554 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7555 * config/alpha/sync.md (I12MODE): New.
7556 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7557 (sync_<fetchop_name><I48MODE>): Likewise.
7558 (sync_nand<I48MODE>): Likewise.
7559 (sync_old_<fetchop_name><I48MODE>): Likewise.
7560 (sync_new_<fetchop_name><I48MODE>): Likewise.
7561 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7562 (sync_compare_and_swap<I48MODE>): Likewise.
7563 (sync_lock_test_and_set<I48MODE>): Likewise.
7564 (sync_compare_and_swap<I12MODE>): New.
7565 (sync_compare_and_swap<I12MODE>_1): New.
7566 (sync_lock_test_and_set<I12MODE>): New.
7567 (sync_lock_test_and_set<I12MODE>_1): New.
7569 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7573 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7575 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7577 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7578 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7580 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7583 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7585 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7587 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7588 memory_operand constraint.
7589 (store_conditional_<mode>): Same.
7590 (sync_compare_and_swap<mode>): Same.
7591 (sync_lock_test_and_set<mode>): Same.
7593 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7595 Rewrite PIC support to more closely model actual instructions.
7596 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7597 (cris_symbol): Remove prototypes for removed functions.
7598 (cris_pic_symbol_type_of, cris_valid_pic_const)
7599 (cris_expand_pic_call_address): Prototypes for new functions.
7600 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7602 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7604 <case ':'>: Add case for new punctuation character.
7605 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7606 emitting (extra) PIC modifier.
7607 <case UNSPEC>: Do not assert for PLT.
7608 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7609 (cris_expand_prologue, cris_expand_epilogue): Check
7610 for pic_offset_table_rtx usage instead of taking
7611 current_function_uses_pic_offset_table as the final word.
7612 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7613 Remove flag_pic difference.
7614 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7615 the moral equivalents of...
7616 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7618 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7619 (cris_handle_option): Mark ARG as unused.
7620 (cris_expand_pic_call_address): New worker function for "call",
7622 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7623 output PIC constructs here.
7624 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7625 as symbol-specific modifers, not whole or part of operands.
7626 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7627 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7628 constants and flag_pic.
7629 (CONSTANT_INDEX_P): Adjust for new functions.
7630 (enum cris_pic_symbol_type): New helper type.
7631 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7632 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7633 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7635 ("movsi"): Emit actual instructions for GOT and relative access.
7636 ("*movsi_got_load"): New pattern to set up the register holding
7638 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7639 Adjust FIXME for 'S'.
7640 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7641 Use "movs" for -fpic cases.
7642 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7643 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7644 ("call", "call_value"): Just call cris_expand_pic_call_address for
7646 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7647 Remove special pattern.
7648 ("*expanded_call_side", "*expanded_call_value_side"): New
7650 (gotplt-to-plt, gotplt-to-plt-side-call)
7651 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7653 * config/cris/cris/predicates.md
7654 ("cris_general_operand_or_gotless_symbol"): Remove unused
7656 ("cris_general_operand_or_symbol"): Adjust for new functions.
7658 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7660 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7662 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7664 * Makefile.in (TREE_H): Add treestruct.def.
7665 (c-decl.o): Add pointer-set.h
7666 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7667 visibility on regular DECL's.
7668 (merge_decls): Fix the copying of decl nodes of various types for
7669 the new structures. Don't update RTL, section name, weak status,
7670 etc, on DECL's without RTL.
7671 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7672 Don't check volatile on non-variable types.
7673 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7674 to check whether we have seen arguments.
7675 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7676 flag is checked before field (flag is common, field is not).
7677 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7678 TS_DECL_COMMON could have an origin.
7679 (add_location_or_const_value_attribute): Don't check section name
7680 on non-var/function decls.
7681 (dwarf2out_var_location): Reverse order of tests.
7682 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7683 with DECL_WRTL_CHECK.
7684 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7685 * fold-const.c (fold_binary): Don't check weakness on
7686 non-var/function decls.
7687 (tree_expr_nonzero_p): Ditto.
7688 (fold_checksum_tree): Use tree_decl_extra as sizeof
7690 * ggc-page.c (extra_order_size_table): Add sizes for
7691 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7693 * gimplify.c (gimplify_bind_expr): Only set
7694 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7695 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7697 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7698 * langhooks.h (init_ts). New langhook.
7699 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7700 * print-tree.c (print_node): Update to only print fields that
7701 exist in the structures the passed decl has.
7702 * toplev.c (wrapup_global_declarations): Don't reset
7703 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7704 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7705 * tree-inline.c (remap_decl): Ditto.
7706 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7707 * tree-pretty-print.c (print_declaration): Don't print
7708 DECL_REGISTER on things that don't contain it.
7709 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7710 non-var/function decls.
7711 * tree.c (tree_contains_struct): New structure.
7712 (init_priority_for_decl): New hashtable.
7713 (tree_int_map): New structure.
7714 (tree_int_map_eq): New function.
7715 (tree_int_map_marked_p): Ditto.
7716 (tree_int_map_hash): Ditto.
7717 (tree_map): Move to tree.h.
7718 (tree_map_eq): Externalize.
7719 (tree_map_hash): Ditto.
7720 (tree_map_marked_p): Ditto.
7721 (init_ttree): Set up tree_contains_struct and call langhook.
7722 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7723 (tree_code_size): Update for new structures.
7724 (tree_node_structure): Update for new structures.
7725 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7727 (copy_node_stat): Copy init priority.
7728 (build_decl_stat): Ditto for visibility.
7729 (ts_enum_names): New.
7730 (tree_contains_struct_check_failed): New function.
7731 (decl_init_priority_lookup): Ditto.
7732 (decl_init_priority_insert): Ditto.
7733 * treestruct.def: New file.
7734 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7735 (CONTAINS_STRUCT_CHECK): Ditto.
7736 (tree_contains_struct_check_failed): New prototype.
7737 (DECL_CHECK): Removed.
7738 (DECL_MINIMAL_CHECK): New.
7739 (DECL_COMMON_CHECK): Ditto.
7740 (DECL_WRTL_CHECK): Ditto.
7741 (DECL_NON_COMMON_CHECK): Ditto.
7742 (DECL_WITH_VIS_CHECK): Ditto.
7743 (VAR_OR_FUNCTION_DECL_P): Ditto
7744 (struct tree_decl_minimal): New structure.
7745 (struct tree_decl_common): Ditto.
7746 (struct tree_decl_with_rtl): Ditto.
7747 (struct tree_decl_with_vis): Ditto.
7748 (struct tree_decl_non_common): Ditto.
7749 (struct tree_field_decl): Ditto.
7750 (struct tree_parm_decl): Ditto.
7751 (struct tree_var_decl): Ditto.
7752 (struct tree_function_decl): Ditto.
7753 (struct tree_const_decl): Ditto.
7754 (struct tree_result_decl): Ditto.
7755 (union tree_node): Add new structures.
7756 * var-tracking.c (track_expr_p): Reverse order of tests.
7758 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7760 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7762 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7763 * system.h: Poison FINALIZE_PIC.
7764 * doc/tm.texi (FINALIZE_PIC): Remove.
7766 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7769 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7770 to the correct type if we have a MODIFY_EXPR.
7772 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7774 PR tree-optimization/22360
7775 * tree.c (upper_bound_in_type): Fix calculations for casting
7776 to a non-wider signed type and casting a signed value to a
7777 wider unsigned type.
7778 (lower_bound_in_type): Fix calculations for casting to a
7779 non-wider signed type.
7781 PR tree-optimization/20139
7782 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7784 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7785 fold_cond_expr_cond.
7786 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7787 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7789 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7792 * tree-complex.c (expand_complex_libcall): Produce
7793 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7795 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7797 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7798 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7799 b" assert and inserted fastpath code for this case.
7800 (bitmap_ior): Removed "a != b" assert.
7802 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7804 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7805 (ENDFILE_SPEC): Likewise.
7806 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7808 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7809 a large stack frame at epilogue.
7811 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7813 * final.c: Include sdbout.h when required.
7815 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7817 * config.gcc (*-*-darwin*): Only one target-specific header file
7819 (powerpc-*-darwin*): Add version-specific header files.
7820 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7821 * config.in: Regenerate.
7822 * configure: Regenerate.
7823 * gcc.c: Include xregex.h.
7824 (version_compare_spec_function): New.
7825 (spec_function): Add version-compare.
7826 (replace_outfile_spec_function): Reformat comment.
7827 (compare_version_strings): New.
7828 * config/darwin-c.c (version_as_macro): New.
7829 (builtin_define): New.
7830 (darwin_cpp_builtins): New.
7831 * config/darwin-protos.h (darwin_cpp_builtins): New.
7832 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7833 (LIB_SPEC): Make unconditional, update comment.
7834 (TARGET_C99_FUNCTIONS): Define.
7835 * config/darwin.opt: Sort.
7836 (mmacosx-version-min=): New.
7837 * config/darwin7.h: Delete.
7838 * config/darwin8.h: Delete.
7839 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7840 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7841 (TARGET_C99_FUNCTIONS): Define.
7842 * config/rs6000/darwin7.h: New.
7843 * config/rs6000/darwin8.h: New.
7844 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7845 (-mmacosx-version-min): Document.
7847 2005-07-07 Ian Lance Taylor <ian@airs.com>
7849 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7851 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7854 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7856 2005-07-07 Khem Raj <kraj@mvista.com>
7858 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7859 in bytes, not words.
7861 2005-07-07 Paul Brook <paul@codesourcery.com>
7863 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7864 DEFAULT_FUNCTION_ARG_PADDING to upward.
7866 2005-07-07 Richard Henderson <rth@redhat.com>
7868 * function.c (locate_and_pad_parm): Record parameter alignment in
7869 stack_alignment_needed.
7871 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7873 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7874 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7875 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7876 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7877 (define_attr "type"): Add isync, sync, load_l, store_c.
7878 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7879 Create scratch volatile MEM.
7880 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7882 (load_locked_<mode>): New.
7883 (store_conditional_<mode>): New.
7884 (sync_compare_and_swap<mode>): Replace with splitter.
7885 (sync_lock_test_and_set<mode>): Replace with splitter.
7886 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7888 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7889 is ics. Attribute isync.
7890 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7892 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7893 and UNSPECV_SYNC_OP.
7894 (emit_unlikely_jump): New.
7895 (emit_load_locked): New.
7896 (emit_store_conditional): New.
7897 (rs6000_split_compare_and_swap): New.
7898 (rs6000_split_lock_test_and_set): New.
7899 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7900 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7901 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7902 rs6000_split_lock_test_and_set): Declare.
7903 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7904 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7905 store_c, isync, sync.
7907 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7909 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7910 filenames to gtyp-gen.h.
7911 (s-typ-gen): Use it in place of for loops.
7913 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7915 * hooks.c (hook_bool_rtx_int_false): New function.
7916 * hooks.h (hook_bool_rtx_int_false): Declare.
7917 * target-def.h (TARGET_COMMUTATIVE_P): Define.
7918 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7919 * target.h (struct gcc_target): Add commutative_p member.
7920 * targhooks.c (hook_bool_rtx_commutative_p): New function.
7921 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7922 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7923 (pa_commutative_p): New function.
7924 * jump.c (target.h): Include.
7925 (rtx_renumbered_equal_p): Use targetm.commutative_p.
7926 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7928 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7930 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7931 (s390_expand_setmem): New.
7932 * config/s390/s390.c: Likewise.
7933 (print_shift_count_operand): Truncate to 12 bits instead of 6.
7935 * config/s390/s390.md: ("setmem<mode>"): Accept character as
7936 general_operand. Call new function "s390_expand_setmem".
7937 ("clrmem_long", "*clrmem_long"): Rewrite to ...
7938 ("setmem_long", "*setmem_long"): ... this.
7940 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7942 * config/s390/s390.c: (optimization_options): Enable
7943 TARGET_MVCLE at -Os.
7944 * doc/invoke.texi: Document changes in default behaviour.
7945 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7947 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7949 * expr.c: (set_storage_via_setmem): Convert opchar to mode
7950 defined by back-end.
7952 2005-07-07 Jakub Jelinek <jakub@redhat.com>
7954 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7955 all sets in the pattern.
7956 * config/rs6000/rs6000.md (stack_protect_testsi,
7957 stack_protect_testdi): Likewise.
7959 2005-07-06 Jeff Law <law@redhat.com>
7961 * tree-vrp.c (simplify_using_ranges): Kill.
7962 (vrp_finalize): Remove call to simplify_using_ranges.
7963 (simplify_stmt_using_ranges): New function extracted from
7964 simplify_using_ranges.
7965 (simplify_div_or_mod_using_ranges): Likewise.
7966 (simplify_abs_using_ranges): Likewise.
7967 (simplify_cond_using_ranges): New function.
7968 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7969 * tree-ssa-propagate.c (substitute_and_fold): Call
7970 simplify_stmt_using_ranges if we have range information.
7972 2005-07-06 James E. Wilson <wilson@specifixinc.com>
7974 * config/ia64/ia64.c (ia64_reorg): Check optimize before
7975 ia64_flag_schedule_isns2.
7977 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7978 reading/writing general registers.
7979 (ia64_function_arg): Revert 2005-06-18 change.
7981 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
7983 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
7984 (legitimize_tls_address): Use gcc_unreachable instead of abort.
7986 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
7988 * function.c (expand_function_end): Revert part of 2005-06-27
7989 patch. Do sjlj_emit_function_exit_after after return_label.
7991 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7993 * doc/install.texi (--disable-libssp): New.
7995 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
7997 * doc/invoke.texi: Update -fforce-mem documentation.
7998 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7999 code for -fforce-mem.
8000 * expmed.c: (store_bit_field,store_fixed_bit_field,
8001 extract_bit_field): Ditto.
8002 * expr.c: (convert_move): Ditto.
8003 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8004 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8005 emit_conditional_add,expand_float,expand_fix): Ditto.
8006 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8007 (common_handle_option): Issue warning when -fforce-mem specified.
8009 2005-07-06 Paul Brook <paul@codesourcery.com>
8011 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8013 * configure: Regenerate.
8015 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8017 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8019 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8021 Fix PR tree-optimization/22319
8022 Fix PR tree-optimization/22140
8023 Fix PR tree-optimization/22310
8025 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8026 variable sized types.
8027 Use correct type for intermediate structure on *a = *b structure
8030 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8032 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8034 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8035 (machine_function): Move typedef to...
8036 * config/rs6000/rs6000.c (machine_function): ... here. Add
8037 varargs_save_offset field.
8038 (rs6000_stack_t): Remove varargs_size field.
8039 (setup_incoming_varargs): Allocate varargs save area using
8040 assign_stack_local, try to make it as small as possible.
8041 Save offset from virtual_stack_vars_rtx to the save area
8042 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8043 instead of magic 8 when fp word byte size is used.
8044 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8045 instead of -RS6000_VARARGS_SIZE.
8046 (rs6000_stack_info, debug_stack_info,
8047 rs6000_initial_elimination_offset): Remove all traces of
8049 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8050 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8051 RS6000_VARARGS_AREA.
8053 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8055 PR tree-optimization/21963
8056 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8057 constant_multiple_of in the same way get_computation_cost_at does.
8059 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8061 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8062 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8063 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8064 and return its previous value.
8065 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8066 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8068 (stack_protect_set, stack_protect_test): New expanders.
8069 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8070 stack_protect_testdi): New insns.
8071 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8072 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8074 2005-07-06 Jeff Law <law@redhat.com>
8076 * tree-ssa-dce.c (cfg_altered): New global.
8077 (tree_dce_init): Initialize cfg_altered.
8078 (remove_dead_stmt): If we remove an edge in the CFG, then set
8080 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8083 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8085 * Makefile.in (stamp-collect-ld): Use
8086 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8087 ./collect-ld if it already exists.
8088 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8089 Don't remove ./nm if it already exists.
8091 2005-07-05 Devang Patel <dpatel@apple.com>
8093 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8094 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8095 * tree-vectorizer.c (vect_loop_location): New.
8096 (vect_print_dump_info): Use vect_loop_location.
8097 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8098 (vectorize_loops): Set vect_loop_location.
8099 * tree-vect-analyze.c (vect_analyze_offset_expr,
8100 vect_determin_vectorization_factor, vect_analyze_operations,
8101 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8102 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8103 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8104 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8105 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8106 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8107 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8108 vect_analyze_loop): Adjust vect_print_dump_info API.
8109 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8110 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8111 vect_finish_stmt_generation, vectorizable_assignment,
8112 vectorizable_operation, vectorizable_store, vectorizable_load,
8113 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8114 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8115 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8116 vect_transform_loop): Same.
8117 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8118 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8121 2005-07-05 Randolph Chung <tausq@debian.org>
8123 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8124 * configure: Regenerate.
8125 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8126 (pa_tls_referenced_p): Declare.
8127 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8128 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8129 (legitimize_tls_address): New.
8130 (hppa_legitimize_address): Handle TLS addresses.
8131 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8132 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8133 (emit_move_sequence): Handle TLS addresses.
8134 (pa_encode_section_info): Call default handler to handle common
8136 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8137 (CONSTANT_ADDRESS_P): Reject TLS operands.
8138 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8139 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8140 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8141 (UNSPEC_TLSLE): Define new constants.
8142 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8143 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8144 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8145 (tie_symbolic_operand, tle_symbolic_operand): New
8147 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8149 * aclocal.m4: Update macros for autoconf 2.59 style.
8150 * configure.ac: Likewise.
8152 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8154 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8155 (function_arg): Pass small aggregates in general registers on 32-bit
8157 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8159 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8161 * Makefile.in (final.o): Fix dependencies.
8163 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8167 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8168 * langhooks.c (lhd_expr_to_decl): New.
8169 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8171 (LANG_HOOKS_INITIALIZER): Update.
8172 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8173 expr_to_decl langhook.
8174 * c-tree.h (c_expr_to_decl): Declare.
8175 * c-typeck.c (c_expr_to_decl): New.
8176 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8178 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8180 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8183 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8184 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8186 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8188 * Makefile.in: Adjust dependencies.
8189 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8190 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8191 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8192 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8193 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8194 rest_of_compilation.
8196 * bb-reorder.c (gate_duplicate_computed_gotos,
8197 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8198 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8199 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8200 pass_partition_blocks): New.
8201 * bt-load.c (gate_handle_branch_target_load_optimize,
8202 rest_of_handle_branch_target_load_optimize,
8203 pass_branch_target_load_optimize): New.
8204 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8206 * cfglayout.c (pass_insn_locators_initialize): New.
8207 * cfgrtl.c (pass_free_cfg): New.
8208 * combine.c (gate_handle_combine, rest_of_handle_combine,
8210 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8211 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8212 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8213 * except.c (pass_set_nothrow_function_flags,
8214 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8216 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8217 rest_of_handle_shorten_branches, pass_shorten_branches,
8218 rest_of_clean_state, pass_clean_state): New.
8219 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8220 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8221 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8223 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8224 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8225 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8226 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8228 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8229 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8230 pass_rtl_ifcvt, gate_handle_if_after_combine,
8231 rest_of_handle_if_after_combine, pass_if_after_combine,
8232 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8233 pass_if_after_reload): New.
8234 * integrate.c (pass_initial_value_sets): New.
8235 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8236 pass_purge_lineno_notes): New.
8237 * mode-switching.c (rest_of_handle_mode_switching,
8238 pass_mode_switching): New.
8239 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8240 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8242 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8243 pass_loop_optimize): New.
8244 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8246 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8248 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8249 pass_postreload_cse): New.
8250 * profile.c (gate_handle_profiling, pass_profiling,
8251 rest_of_handle_branch_prob, pass_branch_prob): New.
8252 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8253 pass_split_before_regstack, gate_handle_split_before_regstack,
8254 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8255 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8256 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8257 pass_stack_regs): New.
8258 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8259 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8260 pass_stack_adjustments): New.
8261 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8262 pass_regrename): New.
8263 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8264 pass_delay_slots, gate_handle_machine_reorg,
8265 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8266 * rtl.h (extern void purge_line_number_notes): New.
8267 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8268 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8270 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8272 * value-prof.c (gate_handle_value_profile_transformations,
8273 rest_of_handle_value_profile_transformations,
8274 pass_value_profile_transformations): New.
8275 * var-tracking.c (gate_handle_var_tracking,
8276 pass_variable_tracking): New.
8277 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8279 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8280 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8281 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8282 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8283 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8284 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8285 rest_of_handle_gcse2, rest_of_handle_regmove,
8286 rest_of_handle_tracer, rest_of_handle_if_conversion,
8287 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8288 rest_of_handle_web, rest_of_handle_branch_prob,
8289 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8290 rest_of_handle_jump_bypass, rest_of_handle_combine,
8291 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8292 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8293 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8294 rest_of_handle_mode_switching, rest_of_handle_jump,
8295 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8296 rest_of_handle_flow2, rest_of_handle_jump2,
8297 rest_of_handle_peephole2, rest_of_handle_postreload,
8298 rest_of_handle_shorten_branches, rest_of_clean_state,
8299 rest_of_compilation): Remove.
8301 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8302 * passes.c (dump_flags, in_gimple_form, all_passes,
8303 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8304 register_dump_files, next_pass_1, last_verified, execute_todo,
8305 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8306 from tree-optimize.c.
8307 (init_optimization_passes): Moved from tree-optimize.c,
8308 adding the RTL optimizations.
8309 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8310 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8311 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8312 register_dump_files, next_pass_1, last_verified, execute_todo,
8313 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8314 init_tree_optimization_passes, ipa_passes): Delete.
8315 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8317 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8318 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8320 (ipa_passes): Remove.
8321 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8322 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8323 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8324 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8325 (dump_info_p, dump_flag): Moved to tree-dump.h.
8327 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8329 * passes.c (finish_optimization_passes): Use dump_begin
8330 and dump_end, TDI_end.
8331 (gate_rest_of_compilation): New.
8332 (pass_rest_of_compilation): Use it.
8333 (gate_postreload, pass_postreload): New.
8334 * toplev.c (general_init): Rename init_tree_optimization_passes.
8335 * toplev.h (init_tree_optimization_passes): Rename to
8336 init_optimizations_passes.
8337 * tree-dump.c (dump_flag): Make static.
8338 (dump_files): Remove RTL dumps.
8339 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8340 pass_cleanup_cfg, pass_free_cfg_annotations,
8341 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8342 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8343 * tree-pretty-print.c: Include tree-pass.h.
8344 * cgraph.c: Include tree-dump.h.
8346 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8348 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8349 Only fall back to saying it points to readonly memory if
8352 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8354 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8355 * config/m32r/m32r.c (m32r_compute_frame_size,
8356 m32r_expand_prologue): Take current_function_profile into
8357 account whenever we reference
8358 current_function_uses_pic_offset_table.
8359 (m32r_finalize_pic): Remove.
8360 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8362 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8364 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8365 instead of $<. Don't remove ./as if it already exists.
8367 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8370 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8371 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8372 for complex modes when generating code for PA 1.0.
8373 (VALID_FP_MODE_P): New macro.
8374 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8375 sets for all general and floating point modes. Align wide floating
8376 point modes to even register boundaries to comply with architectural
8378 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8379 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8380 (VALID_FP_MODE_P): New macro.
8381 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8382 sets for all general and floating point modes. Align wide floating
8383 point modes to even register boundaries to comply with architectural
8386 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8388 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8391 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8393 * tree-ssa-structalias.c: Don't include expr.h.
8395 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8397 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8400 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8402 Fix PR tree-optimization/22279
8404 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8407 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8409 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8411 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8413 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8414 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8415 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8416 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8417 config/stormy16/stormy16.c, config/v850/v850.c,
8418 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8419 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8420 Avoid "." or "\n" at end of diagnostics and capital letters at
8421 start of diagnostics.
8422 * combine.c, cse.c: Don't translate dump file output.
8423 * toplev.c (print_version): Only translate output if going to
8426 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8428 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8429 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8432 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8434 * pa.c (fix_range): Fix typo in comment.
8436 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8438 * tree-vrp.c (extract_range_from_assert): Replace
8439 fold (build (...)) with fold_build2.
8441 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8443 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8444 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8445 (format_types_orig, handle_format_attribute): Add support for
8448 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8450 * varasm.c (assemble_variable): Fix format specifier thinko.
8452 2005-07-03 Ira Rosen <irar@il.ibm.com>
8454 PR tree-optimization/22029 (and 22135)
8455 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8456 a phi node before calling dump_vops.
8458 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8460 * tree-dump.h (dump_string_field): Declare.
8461 * tree-dump.c: Use it instead of dump_string.
8462 (dump_string_field): Make non-static.
8464 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8466 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8467 up the minimal CFG stuff always when optimize > 0. Call
8468 split_all_insns_noflow in PIC case if needed.
8470 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8471 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8474 * c-decl.c (c_write_global_declarations): Dump contents of
8476 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8477 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8478 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8479 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8482 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8484 * c-common.h (GCC_DIAG_STYLE): Define.
8485 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8486 version for format checking to 4.1.
8487 * c-format.c: Include toplev.h after c-common.h.
8488 (enum format_type): Add gcc_tdiag_format_type.
8489 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8490 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8491 (format_types_orig): Add gcc_tdiag.
8492 (init_dynamic_diag_info): Support gcc_tdiag formats.
8493 (handle_format_attribute): Likewise.
8494 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8495 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8496 version for format checking to 4.1.
8497 (warning0, warning, error, pedwarn, sorry): Use
8499 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8500 (finish_aliases_1): Do not use %qE.
8501 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8502 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8503 Correct format bugs.
8504 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8505 parameter to unsigned HOST_WIDE_INT.
8506 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8508 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8511 * expr.c (write_complex_part): Use adjust_address for MEM.
8512 (read_complex_part): Same.
8514 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8516 Fix PR tree-optimization/22280
8518 * tree-sra.c (generate_element_init): Remove useless loop.
8520 2005-07-02 Richard Henderson <rth@redhat.com>
8522 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8524 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8526 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8529 * fold-const.c (fold_binary): Handle the return value of
8530 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8531 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8533 2005-07-02 Jeff Law <law@redhat.com>
8535 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8536 a eliminate type conversion which feeds an equality comparison
8537 if the original type or either operand in the comparison is a
8540 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8542 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8543 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8545 * config/avr/avr.c: Do not use '`' as left quote.
8546 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8547 Remove "." from end of diagnostics. Make diagnostics start with
8550 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8551 Joseph S. Myers <joseph@codesourcery.com>
8553 * toplev.c (default_tree_printer): Handle setting location with
8555 * c-objc.common.c (c_tree_printer): Likewise.
8556 * c-format.c (gcc_diag_flag_specs): Add '+'.
8557 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8558 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8560 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8561 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8562 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8563 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8564 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8565 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8566 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8567 format arguments where %J is used without %D.
8569 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8571 * gcc.c (LINK_SSP_SPEC): Define.
8572 (link_ssp_spec): New variable.
8573 (LINK_COMMAND_SPEC): Add %(link_ssp).
8574 (static_specs): Add link_ssp_spec.
8575 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8576 * configure: Rebuilt.
8577 * config.in: Rebuilt.
8579 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8580 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8581 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8582 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8583 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8584 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8585 -0x7008(2) instead of reading __stack_chk_guard variable.
8586 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8588 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8589 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8590 if TARGET_THREAD_SSP_OFFSET is defined.
8591 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8592 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8595 2005-06-27 Richard Henderson <rth@redhat.com>
8596 * libgcc-std.ver (GCC_4.1.0): New.
8597 * libgcc.h (__stack_chk_guard): Declare.
8598 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8599 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8600 * mklibgcc.in (lib2funcs): Add them.
8602 2005-07-01 Richard Henderson <rth@redhat.com>
8604 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8605 void * before struct sigcontext *.
8606 (x86_fallback_frame_state): Likewise.
8608 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8610 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8612 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8615 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8616 we check for SSA_NAME for.
8618 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8620 Fix PR tree-optimization/22071
8622 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8624 (get_constraint_for_component_ref): Use it.
8626 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8629 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8630 print out the last new line.
8632 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8634 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8635 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8636 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8637 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8638 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8639 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8640 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8641 (enum reg_class): New member CC0_REGS.
8642 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8643 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8644 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8645 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8646 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8647 Adjust for register now described.
8649 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8652 * config/i386/i386.md (stack_protect_test_si,
8653 stack_protect_test_di): Add earlyclobber for scratch 3.
8654 * config/rs6000/rs6000.md (stack_protect_testsi,
8655 stack_protect_testdi): Add earlyclobber for scratch 3,
8656 remove earlyclobber from scratch 4.
8658 Older entries for 2005 can be found in ChangeLog-2005.