1 2006-12-07 Nick Clifton <nickc@redhat.com>
3 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
4 elf_record_gcc_switches.
6 2006-12-07 Andrew Macleod <amacleod@redhat.com>
8 * expr.c (string_constant): Account for non-zero lower bound arrays.
10 2006-12-07 Richard Guenther <rguenther@suse.de>
12 * builtins.c (expand_builtin_pow): Adjust predicates for
13 pow to cbrt expansion to unsafe math and !HONOR_NANS for
16 2006-12-07 Jan Hubicka <jh@suse.cz>
18 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
21 2006-12-07 Jan Hubicka <jh@suse.cz>
23 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
24 use fold_constant_to_binary; tolerate wrong type constants.
25 (value_intersect_p): Do just two tests.
27 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
29 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
30 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
31 lshifthi3): Use it, and fix the order of alternatives.
33 2006-12-07 Nick Clifton <nickc@redhat.com>
35 * common.opt (record-gcc-switches): New command line switch.
36 * target.h (print_switch_type): New enum.
37 (print_switch_fn_type): New typedef for a function pointer.
38 (struct gcc_target): Add record_gcc_switches and
39 record_gcc_switches_section fields.
40 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
42 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
44 * toplev.c (print_single_switch): Simplify by providing a
45 pointer to function that will format and output the switch
47 (print_switch_values): Likewise.
48 (print_to_asm_out_file): New function.
49 (print_to_stderr): New function.
50 (init_asm_output): If flag_record_gcc_switches is set then if
51 the target supports recording the switches then emit them into
52 the assembler output file, otherwise tell the user that the
53 switch is not supported.
54 * varasm.c (eld_record_gcc_switches): New function. Example
55 handler for the record_gcc_switches target hook.
56 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
58 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
59 * doc/invoke.texi (-frecord-gcc-switches): Document.
61 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
64 * sched-rgn.c (add_block1): Use correct initializer.
66 2006-12-07 Richard Guenther <rguenther@suse.de>
68 * tree-vect-transform.c (vectorizable_call): Fix leftover of
69 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
71 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
74 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
75 not GIMPLE_MODIFY_STMT.
77 2006-12-06 Jan Hubicka <jh@suse.cz>
79 * tree-vrp.c (operand_less_p): New.
80 (compare_values, value_inside_range): Rewrite in terms of
83 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
85 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
87 (length_immediate): Do not depend on cld type attribute.
88 (length_address): Ditto.
91 (cld): Remove insn pattern.
92 (strmov_singleop): Do not use DIRFLAG_REG.
93 (*strmovdi_rex_1): Ditto.
95 (*strmovsi_rex_1): Ditto.
97 (*strmovhi_rex_1): Ditto.
99 (*strmovqi_rex_1): Ditto.
101 (*rep_movdi_rex64): Ditto.
103 (*rep_movsi_rex64): Ditto.
105 (*rep_movqi_rex64): Ditto.
106 (strset_singleop): Ditto.
107 (*strsetdi_rex_1): Ditto.
108 (*strsetsi_1): Ditto.
109 (*strsetsi_rex_1): Ditto.
110 (*strsethi_1): Ditto.
111 (*strsethi_rex_1): Ditto.
112 (*strsetqi_1): Ditto.
113 (*strsetqi_rex_1): Ditto.
115 (*rep_stosdi_rex64): Ditto.
116 (*rep_stossi): Ditto.
117 (*rep_stossi_rex64): Ditto.
118 (*rep_stosqi): Ditto.
119 (*rep_stosqi_rex64): Ditto.
120 (cmpstrnsi): Do not generate cld insn.
121 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
122 (*cmpstrnqi_nz_1): Ditto.
123 (*cmpstrnqi_nz_rex_1): Ditto.
124 (cmpstrnqi_1): Ditto.
125 (*cmpstrnqi_1): Ditto.
126 (*cmpstrnqi_rex_1): Ditto.
128 (*strlenqi_1): Ditto.
129 (*strlenqi_rex_1): Ditto.
131 * config/i386/geode.md (shift): Do not depend on cld type attribute.
132 * config/i386/pentium.md (pent_cld): Remove insn reservation.
133 * config/i386/athlon.md (athlon_decode): Do not depend on cld
135 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
136 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
138 (k6_alux_only_load): Ditto.
139 (k6_alux_only_store): Ditto.
141 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
142 Do not emit cld instruction.
143 (ix86_expand_setmem): Ditto.
144 (ix86_expand_strlen): Do not emit cld instruction.
146 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
148 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
151 2006-12-06 Diego Novillo <dnovillo@redhat.com>
153 * gdbinit.in: Set complaints to 0.
155 2006-12-06 Jan Hubicka <jh@suse.cz>
157 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
158 ALONE_MEM_STAT_DECL): New macros.
159 * bitmap.h: Include statistics.h
160 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
161 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
162 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
163 * bitmap.c: Include hashtab.h
164 (bitmap_descriptor): New.
165 (bitmap_hash): New static variable
166 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
167 New static functions.
168 (bitmap_register): New.
169 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
170 bitmap_obstack_release): Do accounting.
171 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
173 (bitmap_gc_alloc_stat): Likewise.
174 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
175 (print_statistics, dump_bitmap_statistics): New functions.
176 * toplev.c (finalize): Dump bitmap statistics.
178 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
180 * reload1.c (delete_output_reload): Count occurrences in
181 CALL_INSN_FUNCTION_USAGE.
182 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
183 crashing at the end of the list.
185 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
187 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
188 Optimize to avoid marking more SMT's as used when they aren't.
190 2006-12-05 Eric Christopher <echristo@apple.com>
192 * config/i386/i386.c (x86_output_aligned_bss): Move out
193 of COMMON_ASM_OP ifdef.
195 2006-12-05 Eric Christopher <echristo@apple.com>
197 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
198 (STARTFILE_SPEC): Use.
199 (DARWIN_DYLIB1_SPEC): New.
200 (DARWIN_CRT1_SPEC): New.
201 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
203 * config/i386/darwin.h: Ditto.
204 * config/rs6000/darwin.h: Ditto.
206 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
208 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
209 * tree-complex.c (pass_lower_complex): Ditto.
210 * tree-ssa-ccp.c (pass_ccp): Ditto.
211 (pass_store_ccp): Ditto.
212 * tree-ssa-dom.c (pass_dominator): Ditto.
213 (pass_phi_only_cprop): Ditto.
214 * tree-sra.c (pass_sra): Ditto.
215 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
216 * tree-flow.h (updating_used_alone): Remove.
217 (updating_used_alone): Ditto.
218 * tree-ssa-alias.c (updating_used_alone): Remove variable.
219 (lhs_may_store_to): Remove function.
220 (recalculate_used_alone): Ditto.
221 (compute_may_aliases): Remove used_alone calculation.
222 * tree.h (struct tree_memory_tag): Remove is_used_alone and
223 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
224 * tree-pass.h (PROP_smt_usage): Remove.
225 * passes.c (execute_todo): Remove used alone recalculation.
226 (execute_one_pass): Ditto.
227 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
230 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
232 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
234 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
236 PR tree-optimization/14784
237 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
239 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
241 Merge from gimple-tuples-branch.
243 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
245 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
247 (s390_gimplify_va_arg): Same.
248 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
249 * config/sh/sh.c (sh_va_start): Same.
250 (sh_gimplify_va_arg_expr): Same.
251 * config/xtensa/xtensa.c (xtensa_va_start): Same.
252 (xtensa_gimplify_va_arg_expr): Same.
253 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
254 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
255 * config/mips/mips.c (mips_va_start): Same.
256 (mips_gimplify_va_arg_expr): Same.
258 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
260 * Merge from mainline at revision 119445.
262 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
264 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
266 (spu_gimplify_va_arg_expr): Same.
268 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
270 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
271 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
272 (xstormy16_expand_builtin_va_arg): Same.
274 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
276 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
277 to GIMPLE_MODIFY_STMT.
279 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
281 * config/alpha/alpha.c (va_list_skip_additions): Change all
282 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
283 (alpha_va_start): Same.
284 (alpha_gimplify_va_arg_1): Same.
285 (alpha_gimplify_va_arg): Same.
287 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
289 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
291 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
293 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
294 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
296 * tree-complex.c: Same.
297 * tree-pretty-print.c: Same.
301 * fold-const.c: Same.
302 * tree-ssa-dom.c: Same.
303 * tree-ssa-propagate.c: Same.
304 * tree-ssa-alias.c: Same.
305 * gimple-low.c: Same.
307 * c-pretty-print.c: Same.
309 * tree-inline.c: Same.
310 * tree-outof-ssa.c: Same.
311 * tree-ssa-structalias.c: Same.
312 * tree-ssa-reassoc.c: Same.
315 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
317 * tree.c (build2_stat): Fix comment.
319 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
321 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
322 TREE_OPERAND when appropriate.
324 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
326 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
327 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
328 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
329 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
330 not handle GIMPLE_MODIFY_STMT in the switch statement.
331 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
332 (java_gimplify_new_array_init): Same.
334 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
336 * gimplify.c (gimplify_omp_for): Allow gimple statements.
337 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
338 * fold-const.c (fold_binary): Allow gimple statements.
340 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
341 Rename from gfc_conv_descriptor_data_set.
342 Call gfc_add_modify instead of gfc_add_modify_expr.
343 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
344 Rename from gfc_conv_descriptor_data_set.
345 (gfc_conv_descriptor_data_set): New macro.
346 (gfc_conv_descriptor_data_set_tuples): New macros.
347 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
348 gfc_conv_descriptor_data_set_tuples.
349 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
350 Generate GIMPLE_MODIFY_STMT when appropriate.
351 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
352 (gfc_add_modify_expr): New macro.
353 (gfc_add_modify_stmt): New macro.
354 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
356 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
358 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
359 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
362 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
364 * Merge from mainline at revision 118200.
366 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
368 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
371 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
373 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
375 Also, add __extension__ to GCC versions.
376 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
377 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
380 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
382 * tree-complex.c (expand_complex_libcall): Adjust for
384 (expand_complex_comparison): Same.
385 * tree-pretty-print.c (dump_generic_node): Is_expr should include
386 GIMPLE_STMT_P statements.
387 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
389 (tree_mod_pow2_value_transform): Same.
390 (tree_mod_subtract_transform): Same.
391 * tree.c (build2_stat): Check for gimplified function in cfun.
392 * tree.h (DECL_GIMPLIFIED): Delete.
393 (struct tree_function_decl): Remove gimplified_flag.
394 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
395 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
396 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
397 (cxx_omp_clause_copy_ctor): Same.
398 (cxx_omp_clause_assign_op): Same.
399 * c-pretty-print.c (pp_c_conditional_expression): Same.
400 (pp_c_expression): Same.
401 * langhooks.c (lhd_omp_predetermined_sharing): Same.
402 * function.h (struct function): Add gimplified field.
403 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
405 (find_phi_replacement_condition): Same.
406 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
407 (gimplify_modify_expr_to_memset): Same.
408 (gimplify_init_ctor_eval_range): Same.
409 (gimplify_modify_expr_complex_part): Same.
410 (tree_to_gimple_tuple): Same.
411 (gimplify_modify_expr): Same.
412 (gimple_push_cleanup): Same.
413 (gimplify_omp_for): Same.
414 (gimplify_omp_atomic_pipeline): Same.
415 (gimplify_omp_atomic_mutex): Same.
416 (gimplify_expr): Same.
417 (gimplify_one_sizepos): Same.
418 (gimplify_function_tree): Same.
419 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
420 (vect_recog_widen_sum_pattern): Same.
421 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
422 (vect_create_epilog_for_reduction): Same.
423 (vectorizable_reduction): Same.
425 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
427 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
428 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
429 (ifc_temp_var): Same.
430 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
431 for gimple statements.
432 (vect_analyze_operations): Same.
433 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
434 * gimplify.c (gimplify_return_expr): Handle gimple statements.
435 * lambda-code.c (can_put_in_inner_loop): Same.
436 (can_put_after_inner_loop): Same.
437 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
438 (vect_create_data_ref_ptr): Same.
439 (vect_init_vector): Same.
440 (vect_get_vec_def_for_operand): Same.
441 (vect_create_epilog_for_reduction): Same.
442 (vectorizable_reduction): Same.
443 (vectorizable_assignment): Same.
444 (vectorizable_operation): Same.
445 (vectorizable_load): Same.
446 (vectorizable_condition): Same.
447 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
448 (rs6000_gimplify_va_arg): Same.
450 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
452 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
454 (simplify_abs_using_ranges): Same.
455 * tree-complex.c (expand_complex_operations_1): Use
456 PROTECTED_TREE_OPERAND.
457 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
459 (get_val_for): Use GIMPLE_STMT_OPERAND.
460 * tree-tailcall.c (adjust_accumulator_values): Same.
461 (adjust_return_value): Same.
462 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
463 case. Remove special case for tcc_gimple_stmt.
464 * tree.h (CAN_HAVE_LOCATION_P): New.
465 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
467 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
468 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
469 * tree-nrv.c (execute_return_slot_opt): Same.
470 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
471 * tree-vn.c (set_value_handle): Same.
472 (get_value_handle): Same.
473 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
474 * tree-vectorizer.c (find_loop_location): Same.
475 * c-typeck.c (c_process_expr_stmt): Same.
476 (c_finish_stmt_expr): Same.
477 * gimplify.c (should_carry_locus_p): Same.
478 (tree_to_gimple_tuple): Delete definition and use of unecessary
479 variable save_tree_block.
480 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
481 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
482 (realify_fake_stores): Same.
483 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
485 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
486 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
487 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
488 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
489 (c_parser_statement_after_labels): Same.
490 (c_parser_paren_condition): Same.
491 (c_parser_for_statement): Same.
492 (c_parser_omp_for_loop): Same.
493 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
494 (linearize_expr_tree): Same.
495 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
496 * function.c (instantiate_expr): Same.
498 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
500 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
501 (set_expr_location): Same.
503 (set_expr_locus): Same.
504 (expr_filename): Same.
506 (tree_block): Use GIMPLE_STMT_BLOCK.
507 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
508 * tree.h (struct gimple_stmt): Remove prev and next.
509 (GIMPLE_STMT_OPERAND_CHECK): New.
510 (TREE_TO_GIMPLE_STMT): Delete.
511 (GIMPLE_STMT_TO_TREE): Delete.
512 (GIMPLE_STMT_OPERAND): Use union, not cast.
513 (GIMPLE_STMT_LOCUS): New.
514 (GIMPLE_STMT_BLOCK): New.
515 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
517 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
519 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
521 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
523 * tree-tailcall.c (adjust_return_value): Same.
524 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
525 (copy_node_stat): Change common.base to base.
526 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
527 Remove GIMPLE_STATEMENT_LIST case.
528 * tree.h (struct gimple_stmt): Make operands of type tree.
529 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
530 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
531 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
532 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
533 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
534 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
535 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
536 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
537 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
538 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
539 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
540 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
541 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
542 Change common.base to base.
543 (GIMPLE_STATEMENT_LIST*): Remove.
544 (union tree_node): Add base. Remove gimple_statement_list.
545 Remove pointer from gstmt.
546 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
547 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
548 * tree-vn.c (vn_compute): Change common.base to base.
549 * tree-eh.c (verify_eh_throw_stmt_node): Same.
550 * tree-flow-inline.h (var_ann): Same.
551 (function_ann): Same.
553 (mark_non_addressable): Same.
554 * gimplify.c (tree_to_gimple_tuple): Same.
555 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
556 * tree-dfa.c (create_var_ann): Change common.base to base.
557 (create_function_ann): Same.
558 (create_stmt_ann): Same.
559 (create_tree_ann): Same.
560 (collect_dfa_stats_r): Same.
561 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
562 * tree-ssa-dce.c (NECESSARY): Same.
563 * tree-ssa.c (delete_tree_ssa): Same.
564 * tree-optimize.c (execute_free_cfg_annotations): Same.
567 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
569 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
570 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
572 * tree.h (struct gimple_stmt): Add prev and next fields.
573 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
574 (GIMPLE_STATEMENT_LIST_HEAD): New.
575 (GIMPLE_STATEMENT_LIST_TAIL): New.
576 (struct gimple_statement_list): New.
577 (union tree_node): Add gimple_stmt_list and gstmt.
578 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
579 * tree.def: Add GIMPLE_STATEMENT_LIST.
581 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
583 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
584 * tree-vrp.c (build_assert_expr_for): Change uses of
585 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
586 (find_assert_locations): Same.
587 (remove_range_assertions): Same.
588 (stmt_interesting_for_vrp): Same.
589 (vrp_visit_assignment): Same.
590 (vrp_visit_stmt): Same.
591 (simplify_cond_using_ranges): Same.
592 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
594 * tree-ssa-loop-im.c (movement_possibility): Change uses of
595 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
597 (determine_invariantness_stmt): Same.
599 (gather_mem_refs_stmt): Same.
600 * tree-complex.c (init_dont_simulate_again): Same.
601 (complex_visit_stmt): Same.
602 (set_component_ssa_name): Same.
603 (expand_complex_move): Same.
604 (expand_complex_div_wide): Same.
605 (expand_complex_comparison): Same.
606 (expand_complex_operations_1): Same.
607 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
608 (chain_of_csts_start): Same.
609 (infer_loop_bounds_from_undefined): Same.
610 * tree-pretty-print.c (dump_generic_node): Same.
613 * tree-ssa-loop-manip.c (create_iv): Same.
614 * value-prof.c (tree_divmod_fixed_value): Same.
615 (tree_divmod_fixed_value_transform): Same.
616 (tree_mod_pow2): Same.
617 (tree_mod_pow2_value_transform): Same.
618 (tree_mod_subtract): Same.
619 (tree_mod_subtract_transform): Same.
620 (tree_divmod_values_to_profile): Same.
621 * tree-tailcall.c (process_assignment): Same.
622 (find_tail_calls): Same.
623 (adjust_accumulator_values): Same.
624 (adjust_return_value): Same.
625 (eliminate_tail_call): Same.
626 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
627 (make_node_stat): Same.
628 (copy_node_stat): Handle gimple tuples.
629 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
630 (tree_node_structure): Handle tcc_gimple_stmt.
631 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
633 (build2_gimple_stat): New.
634 (expr_location): New.
635 (set_expr_location): New.
636 (expr_has_location): New.
638 (set_expr_locus): New.
639 (expr_filename): New.
641 (walk_tree): Handle tcc_gimple_stmt.
643 (protected_tree_operand): New.
644 (protected_tree_type): New.
645 (tree_code_kind): Add gimple statements.
646 * tree.h (tree_code_class): Add tcc_gimple_stmt.
647 (IS_GIMPLE_STMT_CODE_CLASS): New.
648 (struct tree_base): New.
649 (struct tree_common): Shrink.
650 (struct gimple_stmt): New.
651 (struct gimple_expr): New.
652 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
653 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
654 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
655 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
656 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
657 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
658 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
659 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
660 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
661 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
662 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
663 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
664 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
665 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
666 Adjust for new `common' layout.
667 (struct tree_function_decl): Add gimplified_flag.
668 (DECL_GIMPLIFIED): NEW.
669 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
670 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
671 EXPR_HAS_LOCATION): Call corresponding function.
672 (GIMPLE_STMT_CHECK): New.
673 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
674 (TREE_BLOCK): Call tree_block.
675 (GIMPLE_STMT_P): New.
676 (GIMPLE_TUPLE_P): New.
677 (TREE_TO_GIMPLE_STMT): New.
678 (GIMPLE_STMT_TO_TREE): New.
679 (GIMPLE_STMT_OPERAND): New.
680 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
681 (PROTECTED_TREE_OPERAND): New.
682 (PROTECTED_TREE_TYPE): New.
683 (build2_gimple_stat): Protoize.
684 (build2_gimple): New.
685 (expr_location): Protoize.
686 (set_expr_location): Protoize.
687 (expr_has_location): Protoize.
688 (expr_locus): Protoize.
689 (set_expr_locus): Protoize.
690 (expr_filename): Protoize.
691 (expr_lineno): Protoize.
692 (tree_block): Protoize.
693 (protected_tree_operand): Protoize.
694 (protected_tree_type): Protoize.
695 (enum tree_node_kind): Add gimple_stmt_kind.
696 * c-decl.c (union lang_tree_node): Tuples do not have a
698 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
699 GIMPLE_MODIFY_STMT and adjust accordingly.
700 * tree-scalar-evolution.c (follow_ssa_edge): Same.
701 (interpret_condition_phi): Same.
702 (pointer_used_p): Same.
703 (analyze_scalar_evolution_1): Same.
704 (scev_const_prop): Same.
705 (interpret_rhs_modify_stmt): Rename from
706 interpret_rhs_modify_expr.
707 * builtins.c (std_expand_builtin_va_start): Change uses of
708 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
709 (std_gimplify_va_arg_expr): Same.
710 (expand_builtin_va_copy): Same.
711 (integer_valued_real_p): Same.
712 * fold-const.c (maybe_lvalue_p): Same.
714 (tree_expr_nonnegative_p): Same.
715 (tree_expr_nonzero_p): Same.
716 * omp-low.c (extract_omp_for_data): Same.
717 (lower_rec_input_clauses): Same.
718 (lower_reduction_clauses): Same.
719 (lower_copyprivate_clauses): Same.
720 (lower_send_clauses): Same.
721 (lower_send_shared_vars): Same.
722 (expand_parallel_call): Same.
723 (expand_omp_parallel): Same.
724 (expand_omp_for_generic): Same.
725 (expand_omp_for_static_nochunk): Same.
726 (expand_omp_for_static_chunk): Same.
727 (expand_omp_sections): Same.
728 (lower_omp_single_copy): Same.
729 (lower_omp_parallel): Same.
730 * tree-ssa-dse.c (memory_address_same): Same.
731 (dse_optimize_stmt): Same.
732 * ipa-reference.c (scan_for_static_refs): Same.
733 * tree-gimple.c (is_gimple_reg_rhs): Same.
734 (get_call_expr_in): Same.
735 (recalculate_side_effects): Same.
736 * cgraphunit.c (cgraph_create_edges): Same.
737 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
738 * tree-ssa-ccp.c (get_default_value): Same.
739 (likely_value): Same.
740 (visit_assignment): Same.
741 (ccp_visit_stmt): Same.
742 (get_maxval_strlen): Same.
743 (ccp_fold_builtin): Same.
744 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
745 (find_givs_in_stmt): Same.
746 (find_interesting_uses_op): Same.
747 (find_interesting_uses_stmt): Same.
748 (rewrite_use_nonlinear_expr): Same.
749 * ipa-pure-const.c (scan_function): Same.
750 * tree-stdarg.c (va_list_counter_bump): Same.
751 (check_all_va_list_escapes): Same.
752 (execute_optimize_stdarg): Same.
753 * tree-ssa-math-opts.c (compute_merit): Same.
754 (insert_reciprocals): Same.
755 (execute_cse_reciprocals): Same.
756 * tree-ssa-dom.c (initialize_hash_element): Same.
757 (simple_iv_increment_p): Same.
758 (record_equivalences_from_stmt): Same.
759 (optimize_stmt): Same.
760 (remove_stmt_or_phi): Same.
761 (get_rhs_or_phi_arg): Same.
762 (get_lhs_or_phi_result): Same.
763 (propagate_rhs_into_lhs): Same.
764 * tree-nrv.c (tree_nrv): Same.
765 (execute_return_slot_opt): Same.
766 * tree-ssa-propagate.c (get_rhs): Same.
768 (stmt_makes_single_load): Same.
769 (stmt_makes_single_store): Same.
770 (replace_vuses_in): Same.
771 (fold_predicate_in): Same.
772 (substitute_and_fold): Same.
773 * tree-ssa-alias.c (compute_call_clobbered): Same.
774 (recalculate_used_alone): Same.
775 (count_uses_and_derefs): Same.
776 (is_escape_site): Same.
777 (find_used_portions): Same.
778 * gimple-low.c (lower_stmt): Same.
779 (block_may_fallthru): Same.
780 (lower_return_expr): Same.
781 * tree-ssa-sink.c (is_hidden_global_store): Same.
782 (statement_sink_location): Same.
783 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
784 * expr.c (safe_from_p): Same.
785 (expand_expr_real): Same.
786 (expand_expr_real_1): Same.
787 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
788 * predict.c (expr_expected_value): Same.
789 (strip_builtin_expect): Same.
790 (apply_return_prediction): Same.
791 (tree_bb_level_predictions): Same.
792 (tree_estimate_probability): Same.
793 * tree-vn.c (vn_compute): Same.
794 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
795 (remove_stmt_from_eh_region_fn): Same.
796 (do_return_redirection): Same.
797 (honor_protect_cleanup_actions): Same.
798 (lower_try_finally_switch): Same.
799 (lower_eh_constructs_1): Same.
800 (tree_could_throw_p): Same.
801 (verify_eh_throw_stmt_node): Same.
802 * function.c (gimplify_parameters): Same.
803 * tree-vectorizer.c (vect_is_simple_use): Same.
804 (vect_is_simple_reduction): Same.
805 * ipa-type-escape.c (scan_for_refs): Same.
806 * tree-if-conv.c (tree_if_conversion): Same.
807 (tree_if_convert_stmt): Same.
808 (if_convertible_gimplify_modify_stmt_p): Rename from
809 if_convertible_modify_expr_p.
810 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
811 (ifc_temp_var): Same.
812 (replace_phi_with_cond_modify_stmt): Rename from
813 replace_phi_with_cond_modify_expr.
814 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
815 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
816 * tree-data-ref.c (find_data_references_in_loop): Adjust for
818 * tree-flow-inline.h (var_ann): Same.
819 (function_ann): Same.
821 (mark_non_addressable): Same.
822 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
823 * gimplify.c (tree_to_gimple_tuple): New.
824 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
825 (gimplify_return_expr): Same.
826 (gimplify_decl_expr): Same.
827 (gimplify_self_mod_expr): Same.
828 (gimplify_cond_expr): Same.
829 (gimplify_init_constructor): Same.
830 (gimplify_modify_expr): Same.
831 (gimplify_expr): Same.
832 (gimplify_function_tree): Same.
833 (force_gimple_operand): Same.
834 * tree-ssa-phiopt.c (conditional_replacement): Same.
835 (minmax_replacement): Same.
836 (abs_replacement): Same.
837 * tree-dfa.c (create_var_ann): Same.
838 (create_function_ann): Same.
839 (create_stmt_ann): Same.
840 (create_tree_ann): Same.
841 (collect_dfa_stats_r): Same.
842 * tree-ssa-pre.c (find_or_generate_expression): Same.
843 (create_expression_by_pieces): Same.
844 (try_look_through_load): Same.
845 (insert_fake_stores): Same.
846 (realify_fake_stores): Same.
847 (compute_avail): Same.
850 (poolify_modify_stmt): Rename from poolify_modify_stmt.
851 Adjust for GIMPLE_MODIFY_STMT.
852 (NECESSARY): Adjust for new `common' layout.
853 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
855 * tree-sra.c (sra_walk_modify_stmt): Rename from
856 sra_walk_modify_expr.
857 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
858 (generate_copy_inout): Same.
859 (generate_element_copy): Same.
860 (generate_element_zero): Same.
861 (scalarize_copy): Same.
862 * tree-mudflap.c (mf_decl_cache_locals): Same.
863 (mf_build_check_statement_for): Same.
864 (mf_xform_derefs): Same.
865 * ipa-prop.c (ipa_method_modify_stmt): Same.
866 * print-tree.c (print_node): Handle gimple tuples.
867 Add case for tcc_gimple_stmt.
868 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
870 (copy_prop_visit_assignment): Same.
871 (copy_prop_visit_stmt): Same.
872 (init_copy_prop): Same.
873 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
874 (forward_propagate_into_cond_1): Same.
875 (find_equivalent_equality_comparison): Same.
876 (tidy_after_forward_propagate_addr): Same.
877 (forward_propagate_addr_expr_1): Same.
878 (simplify_not_neg_expr): Same.
879 (simplify_switch_expr): Same.
880 * tree-ssa-dce.c (find_pdom): Same.
881 (mark_stmt_if_obviously_necessary): Same.
882 (NECESSARY): Adjust for new `common' layout.
884 * tree-vect-patterns.c (widened_name_p): Adjust for
886 (vect_recog_dot_prod_pattern): Same.
887 (vect_recog_widen_sum_pattern): Same.
888 (vect_pattern_recog_1): Same.
889 * tree-nested.c (init_tmp_var): Same.
890 (save_tmp_var): Same.
892 (convert_call_expr): Same.
893 (finalize_nesting_tree_1): Same.
894 * tree-ssa.c (verify_ssa): Same.
895 (delete_tree_ssa): Same.
896 * lambda-code.c (lbv_to_gcc_expression): Same.
897 (lle_to_gcc_expression): Same.
898 (lambda_loopnest_to_gcc_loopnest): Same.
899 (can_put_in_inner_loop): Same.
900 (can_convert_to_perfect_nest): Same.
901 (perfect_nestify): Same.
902 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
903 * tree-inline.c (copy_body_r): Same.
904 (setup_one_parameter): Same.
905 (initialize_inlined_parameters): Same.
906 (estimate_num_insns_1): Same.
907 (expand_call_inline): Same.
908 (gimple_expand_calls_inline): Same.
910 * tree-optimize.c (execute_free_cfg_annotations): Same.
911 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
912 (vect_align_data_ref): Same.
913 (vect_create_data_ref_ptr): Same.
914 (vect_init_vector): Same.
915 (vect_create_epilog_for_reduction): Same.
916 (vectorizable_reduction): Same.
917 (vectorizable_assignment): Same.
918 (vectorizable_operation): Same.
919 (vectorizable_store): Same.
920 (vectorizable_load): Same.
921 (vectorizable_live_operation): Same.
922 (vectorizable_condition): Same.
923 (vect_generate_tmps_on_preheader): Same.
924 (vect_create_cond_for_align_checks): Same.
925 * tree-object-size.c (collect_object_sizes_for): Same.
926 (check_for_plus_in_loops_1): Same.
927 (check_for_plus_in_loops): Same.
928 * tree-outof-ssa.c (insert_copy_on_edge): Same.
929 (replace_use_variable): Same.
930 (check_replaceable): Same.
931 (rewrite_trees): Same.
932 (identical_copies_p): Same.
933 (insert_backedge_copies): Same.
934 * tree-profile.c (tree_gen_edge_profiler): Same.
935 * tree-vect-generic.c (expand_vector_operations_1): Same.
936 * tree-ssa-structalias.c (update_alias_info): Same.
937 (find_func_aliases): Same.
938 * tree-cfg.c (factor_computed_gotos): Same.
940 (make_goto_expr_edges): Same.
941 (tree_merge_blocks): Same.
942 (remove_useless_stmts_cond): Same.
943 (remove_useless_stmts_1): Same.
944 (tree_find_edge_insert_loc): Same.
946 (gimplify_val): Same.
947 (verify_gimple_tuples_1): New.
948 (verify_gimple_tuples): New.
949 (verify_stmts): Call verify_gimple_tuples.
950 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
951 (get_unary_op): Same.
952 (linearize_expr): Same.
953 (get_single_immediate_use): Same.
954 (negate_value): Same.
955 (should_break_up_subtract): Same.
956 (break_up_subtract): Same.
957 (repropagate_negates): Same.
958 (break_up_subtract_bb): Same.
959 (reassociate_bb): Same.
960 * config/i386/i386.c (ix86_va_start): Same.
961 (ix86_gimplify_va_arg): Same.
962 * stmt.c (expand_expr_stmt): Same.
963 (warn_if_unused_value): Same.
964 (expand_return): Same.
965 * tree-ssanames.c (make_ssa_name): Same.
966 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
967 * tree-ssa-operands.c (finalize_ssa_defs): Same.
968 (add_virtual_operand): Same.
969 (get_expr_operands): Same.
970 (parse_ssa_operands): Same.
971 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
973 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
975 * config.host: Remove extra blank line.
977 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
979 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
980 target is also an x86 variant.
982 2006-12-05 Richard Guenther <rguenther@suse.de>
984 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
985 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
986 (ix86_builtin_vectorized_function): New function to vectorize
989 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
991 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
992 ia64_override_options.
994 2006-12-04 Jan Hubicka <jh@suse.cz>
996 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
999 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1001 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1002 * config/bfin/bfin.c: Include "timevar.h".
1003 (bfin_flag_schedule_insns2, splitting_for_sched,
1004 bfin_flag_var_tracking): New variables.
1005 (print_operand): Handle '%!'.
1006 (override_options): Disable normal sched2 pass, instead set
1007 bfin_flag_schedule_insns2 for reorg to handle it.
1008 (output_file_start): Likewise for var-tracking.
1009 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1010 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1012 (bfin_reorg): Do second scheduling pass here, and call
1013 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1014 of examining insns directly. If bfin_flag_var_tracking, call
1015 var-tracking pass when done with everything else.
1016 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1017 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1018 (movsi_insn32): New pattern, with two new splits to create it
1019 before the final scheduling pass.
1020 (neghi2): Not a dsp32 insn, rather alu0.
1021 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1022 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1023 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1024 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1025 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1026 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1027 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1028 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1029 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1030 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1031 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1032 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1033 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1034 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1035 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1036 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1037 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1038 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1039 variants instead of ';'.
1040 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1041 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1042 (align8, align16, align24): Now named patterns; also using '%!'.
1045 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1047 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1048 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1050 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1052 * config/spu/spu-protos.c (spu_split_address): Add.
1053 * config/spu/spu.c (spu_split_address): Add.
1054 (print_operand): Handle HIGH.
1055 (spu_legitimate_address): Don't test for aligned CONST.
1056 (spu_expand_mov): Don't split addresses here.
1057 * config/spu/constraints.md (A): Don't test legitimate_const.
1058 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1059 (ceq_di): Use correct predicates.
1061 2006-12-04 Eric Christopher <echristo@apple.com>
1063 * config/darwin.h: Update copyright notice.
1064 * config/i386/darwin.h: Ditto.
1066 2006-12-04 Jan Hubicka <jh@suse.cz>
1068 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1069 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1071 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1073 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1075 * tree-ssa-structalias.c (set_used_smts): Export.
1076 (find_what_p_points_to): Don't call set_used_smts here.
1077 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1079 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1081 * tree-ssa-alias.c (compute_may_aliases):
1082 Compute flow sensitive before flow insensitive.
1083 (compute_flow_sensitive_aliasing): Don't try to add
1084 a symbol memory tag to itself.
1086 * alias.h (alias_set_subset_of): New prototype.
1088 * alias.c (alias_set_subset_of): New function.
1090 * tree-ssa-structalias.c: Update comments.
1091 (struct variable_info): Add finished_solution.
1092 (new_varinfo): Set finished solution to NULL.
1093 (var_escaped_vars): Remove.
1094 (escaped_vars_tree): Remove.
1095 (escaped_vars_id): Remove.
1096 (nonlocal_vars_id): Remove.
1097 (constraint_expr_type): Add INCLUDES.
1098 (graph_size): Removed.
1099 (dump_constraint): Support INCLUDES.
1100 (build_constraint_graph): Ditto.
1101 (collapse_nodes): Add merge_solutions argument.
1102 Don't merge attributes.
1103 (process_unification_queue): Just use collapse_nodes.
1104 (perform_var_substitution): Update call to collapse_nodes.
1105 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1106 (process_constraint): Fix non-field sensitive handling
1108 (get_constraint_for): Use INCLUDES.
1109 (make_constraint_from_anything): Renamed from
1110 make_constraint_from_escaped.
1111 (make_constraint_to_escaped): Removed.
1112 (find_global_initializers): Removed.
1113 (create_variable_info_for): Do not make constraints to escaped
1115 (dump_solution_for_var): Don't print out the equivalent points-to
1116 sets, just use the name of the variable it shares it with.
1117 (intra_create_variable_infos): Use INCLUDES.
1118 Change nonlocal variable sets to anything sets.
1119 (init_base_vars): Remove escaped_vars and nonlocal_var
1121 (find_escape_constraints): Removed.
1122 (delete_points_to_sets): Remove dead code.
1123 (used_smt_calculated): New variable.
1124 (set_used_smts): New function.
1125 (merge_smts_into): New function.
1126 (find_what_p_points_to): Modify to use SMTs.
1127 (create_nonlocal_var): Remove.
1129 * tree-ssa-operands.c (access_can_touch_variable): Remove
1130 reference to nonlocal_all.
1132 * tree-ssa.c (verify_name_tags): Remove.
1134 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1136 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1137 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1139 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1141 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1142 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1143 (add_livein_if_notdef): Delete.
1144 (loe_visit_block): New. Propogate live on entry info for a block into
1145 each predecessor. If it changes, make sure it is visited again.
1146 (live_worklist): Visit every block and update the live on entry info
1147 for preds. Iterate over any that changed.
1148 (set_var_live_on_entry): Populate the live on entry blocks with bits
1149 based on the immediate uses of a var.
1150 (calculate_live_on_entry): Remove.
1151 (calculate_live_on_exit): Calculate live on exit based on the newly
1152 oriented live on entry bits.
1153 (calculate_live_ranges): Build live on entry and exit vectors.
1154 (dump_live_info): Use new orientation of live on entry bitmaps.
1155 (verify_live_on_entry): New. Split out verification code from old
1156 calculate_live_on_entry routine.
1157 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1158 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1159 basic_block instead of for a partition.
1160 (live_merge_and_clear): Add asserts.
1161 (make_live_on_entry): Set partition bit in basic block vector.
1163 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1166 * omp-low.c (expand_omp_for_static_nochunk,
1167 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1171 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1172 parallels if region->exit or region->inner->exit is NULL.
1173 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1175 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1176 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1177 or region->exit is NULL.
1178 (expand_omp_sections): Handle NULL region->cond or region->exit.
1181 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1183 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1184 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1186 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1188 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1189 TYPE_MAX_VALUE for scalar types here but...
1190 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1191 is attached an error mark, and the return value of the callback
1192 if it is not NULL_TREE.
1194 2006-12-04 Ben Elliston <bje@au.ibm.com>
1196 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1198 2006-12-03 Eric Christopher <echristo@apple.com>
1201 * config/t-slibgcc-darwin: Pass -install_name.
1202 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1203 libtool. Only pass through options that the linker recognizes.
1204 (LINK_SPEC): Update comment. Translate options.
1205 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1206 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1208 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1210 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1212 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1215 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1216 operands[1] in insn constraint. Correct type attribute to sselog1.
1218 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1221 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1223 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1224 processor detection.
1226 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1227 -march=native if there is no -mtune=*.
1229 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1232 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1234 * doc/install.texi: Update recommended MPFR version. Remove
1235 obsolete reference to cumulative patch.
1237 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1240 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1242 2006-11-30 Jan Hubicka <jh@suse.cz>
1243 Uros Bizjak <ubizjak@gmail.com>
1245 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1246 32bit memcpy/memset decriptors.
1247 (decide_alg): With -minline-all-stringops and sizes that are best
1248 to be copied via libcall still work hard enough to pick non-libcall
1251 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1253 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1255 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1256 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1257 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1258 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1259 config/spu/spu-c.c, config/spu/spu-modes.def,
1260 config/spu/spu.c, config/spu/spu.md,
1261 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1262 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1263 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1264 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1265 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1266 spelling conventions.
1268 * config/i386/i386.c: Fix a comment typo.
1270 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1272 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1273 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1274 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1275 better optimization.
1276 (floatv4siv4sf2): New.
1277 (fix_truncv4sfv4si2): New.
1278 (floatunsv4siv4sf2): New.
1279 (fixuns_truncv4sfv4si2): New.
1287 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1288 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1289 spu_resolve_overloaded_builtin instead of static inline functions.
1291 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1293 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1294 type instead of the size of its mode to compute the highest and
1295 lowest possible values. Still check the size of the mode before
1296 flipping the signedness of the comparison.
1298 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1300 * config/spu/predicates.md (spu_mov_operand): Add.
1301 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1302 (print_operand_address, print_operand): Handle addresses containing AND.
1303 (spu_split_load, spu_split_store): Use updated movti pattern.
1304 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1305 stores in mov patterns for correct operation of reload.
1306 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1308 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1311 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1313 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1315 * common.opt (ftree-combine-temps): Remove.
1316 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1317 (coalesce_ssa_name): Don't check for combine-temps.
1318 (coalesce_vars): Remove.
1319 (check_replaceable): Use num_imm_uses.
1320 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1321 check for combine-temps.
1322 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1323 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1324 to register_ssa_partition calls.
1325 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1326 (init_var_map, delete_var_map): remove refernces to ref_count.
1327 (create_ssa_var_map): Never calculate a ref count.
1328 (type_var_init): Remove.
1329 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1330 (SSA_VAR_MAP_REF_COUNT): Delete.
1331 (create_ssa_var_map): Change Prototype to have no parameters.
1332 (version_ref_count): Delete.
1333 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1335 (type_var_num, type_var, type_var_first_partition,
1336 type_var_next_partition, type_var_dump, type_var_delete,
1337 type_var_remove_partition, type_var_find, type_var_compact,
1338 type_var_decompact): Remove.
1340 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1342 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1345 2006-12-01 Richard Guenther <rguenther@suse.de>
1348 * dwarf2out.c (struct pubname_struct): Make name const.
1349 (add_pubtype): Do not xstrdup identifiers.
1351 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1353 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1354 multiword accesses are in range.
1356 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1358 PR tree-optimization/29921
1359 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1360 (set_lattice_value): Use canonicalize_float_value.
1362 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1364 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1365 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1366 (spu_cpu_cpp_builtins): Remove.
1367 (spu_override_options): Don't set warn_main.
1368 (spu_force_reg): Move from spu-c.c.
1369 (spu_check_builtin_parm): Likewise.
1370 (expand_builtin_args): Likewise.
1371 (spu_expand_builtin_1): Likewise.
1372 (spu_expand_builtin): Likewise.
1373 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1374 warn_main and targetm.resolve_overloaded_builtin.
1375 * config/spu/spu-c.c (spu_builtin_range): Remove.
1376 (spu_check_builtin_parm): Remove.
1377 (expand_builtin_args): Remove.
1378 (spu_expand_builtin_1): Remove.
1379 (spu_expand_builtin): Remove.
1380 (spu_cpu_cpp_builtins): Moved from spu.c
1381 (spu_force_reg): Remove.
1383 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1384 David Edelsohn <edelsohn@gnu.org>
1387 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1388 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1389 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1390 HARD_REGNO_NREGS_WITH_PADDING): Define.
1391 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1392 HARD_REGNO_NREGS_WITH_PADDING): Define.
1393 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1394 Use new macros to detect modes with holes; do not look at integer
1396 (subreg_offset_representable_p): Check for and disallow cases
1397 where the modes use different numbers of bits from registers.
1398 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1399 constant for soft-float.
1400 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1402 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1403 in E500 double case.
1404 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1405 (movtf_softfloat): New.
1407 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1409 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1410 simplify_gen_subreg.
1412 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1414 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1415 (COALESCE_HASH_FN): New. Define hash function.
1416 (partition_pair_map_hash): New. Hash value for a partition pair.
1417 (partition_pair_map_eq): New. Equality for hash pairs.
1418 (create_coalesce_list): Create hash table.
1419 (delete_coalesce_list): Free hash table.
1420 (find_partition_pair): Find/create pairs in hash table.
1421 (compare_pairs): Sort pairs in ascending order now.
1422 (num_coalesce_pairs): New. Number of pairs in hash table.
1423 (struct partition_pair_iterator): Iterator struct for pair table.
1424 (first_partition_pair): Iterator function for first pair.
1425 (end_partition_pair_p): Iterator function for end of iteration.
1426 (next_partition_pair): Iterator function for next pair.
1427 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1428 (sort_coalesce_list): Sort pairs from hash table into an array.
1429 (pop_best_coalesce): Take pairs from the array.
1430 (dump_coalesce_list): Update to use hash table or sorted array.
1431 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1432 (struct coalesce_list_d): Add hash table related fields.
1434 2006-11-30 Jan Hubicka <jh@suse.cz>
1437 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1438 memmove/bcopy->memcpy conversion.
1440 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1442 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1443 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1444 Default is the largest alignment supported for 32-bit ELF and
1445 representable on a 32-bit host.
1447 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1449 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1451 2006-11-30 Jan Hubicka <jh@suse.cz>
1453 * tree-ssa-operands.h (struct ssa_operands): New.
1454 * tree-flow-inline.h (gimple_ssa_operands): New function.
1455 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1456 * Makefile.in: Remove gt-tree-ssa-operands.h
1457 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1458 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1459 operand_memory, operand_memory_index, ops_active): Remove statics.
1460 (ALLOC_OPTYPE): Update.
1461 (operand_build_sort_virtual): Update.
1462 (ssa_operands_active): Update.
1463 (init_ssa_operands): Update.
1464 (fini_ssa_operands): Update.
1465 (ssa_operand_alloc): Update.
1466 (INITIALIZE_USE): Update.
1467 (finalize_ssa_use_ops): Update.
1468 (finalize_ssa_v_may_def_ops): Update.
1469 (finalize_ssa_vuse_ops): Update.
1470 (finalize_ssa_v_must_def_ops): Update.
1472 2006-11-30 Richard Guenther <rguenther@suse.de>
1474 * tree-vectorizer.h (vectorizable_function): Export.
1475 * tree-vect-transform.c (vectorizable_function): Likewise.
1476 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1477 type_in to scalar type in recognition of squaring.
1478 Make sure the target can vectorize sqrt in recognition
1479 of sqrt, set type_in to vector type in this case.
1481 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1483 * config/i386/i386.md (R10_REG): New constant.
1484 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1485 (ix86_emit_restore_regs_using_mov): Ditto.
1486 (ix86_expand_call): Ditto.
1487 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1489 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1491 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1492 * alias.c (canon_true_dependence): Update comment.
1494 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1496 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1497 at the end of a diagnostics message.
1499 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1500 until after asserting that it was allocated in the right pool.
1502 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1503 successor edge information as well. Make output of live regs
1504 on exit consistent with live regs on entry.
1506 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1509 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1510 insn patterns for TARGET_80387.
1511 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1512 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1513 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1514 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1515 Generate truncxf<mode>2 insn patterns for strict SSE math.
1517 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1519 * config/i386/i386.md (movsf_1): Enable pattern for standard
1520 80387 constants before reload when optimizing for size.
1521 (*movdf_nointeger, *movdf_integer): Ditto.
1522 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1523 80387 constants before reload when not optimizing for size.
1525 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1526 extension of XFmode input operands.
1528 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1530 * config/spu/crt0.c (__dso_handle): Define.
1532 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1534 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1535 when clearing the used flags.
1537 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1539 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1541 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1544 * config/spu/spu.md (extend_compare<mode>): New pattern.
1545 (extend_compare): Change to expand and use the above pattern.
1547 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1549 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1551 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1552 (DFP_INIT_ROUNDMODE): Define.
1553 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1554 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1556 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1558 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1559 Update documentation.
1560 (associate_line_notes_with_blocks): Kill.
1561 (extend_bb): Remove basic block argument, put void instead.
1562 Remove line number handling for each bb.
1563 (save_line_notes): Kill.
1564 (restore_line_notes): Kill.
1565 (sched_init): Remove line_note_head initialization.
1566 Change extend_bb call.
1567 (sched_finish): Remove free of line_note_head.
1568 (add_block): Change extend_bb call.
1569 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1570 rm_line_notes and restore_line_notes calls.
1571 (schedule_ebbs): Remove rm_redundant_line_notes.
1572 * sched-int.h (struct haifa_insn_data): Remove line_note.
1573 (save_line_notes): Remove declaration.
1574 (restore_line_notes): Remove declaration.
1575 * modulo-sched.c (loop_canon_p): Update debug info printing
1576 by using insn locators instead of line note.
1577 (sms_schedule): Update debug info printing, by using insn
1578 locators instead of line note.
1579 * sched-rgn.c (debug_dependencies): Remove handling of case
1580 n>0 (line number), since it's a dead code.
1581 (schedule_region): Remove save_line_notes and
1582 restore_line_notes calls.
1584 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1586 * config/rs6000/predicates.md (gpc_reg_operand): Check
1587 invalid_e500_subreg.
1588 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1589 SImode subregs of SPE vectors.
1590 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1591 * jump.c (true_regnum): Require subregs to satisfy
1592 subreg_offset_representable_p.
1594 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1595 Steven Bosscher <stevenb.gcc@gmail.com>
1597 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1598 since it no longer exists.
1600 2006-11-29 Duncan Sands <baldrick@free.fr>
1602 PR tree-optimization/23744
1603 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1605 2006-11-29 Duncan Sands <baldrick@free.fr>
1607 PR tree-optimization/23744
1608 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1610 2006-11-29 Duncan Sands <baldrick@free.fr>
1612 PR tree-optimization/23744
1613 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1615 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1617 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1619 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1621 * sh.opt (minline-ic_invalidate): New option.
1622 (musermode): Adjust comment.
1623 * sh.c (sh_initialize_trampoline): Emit library call unless
1624 is set; if it is set, don't emit library call if we can use icbi
1626 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1627 icbi for TARGET_SH4_300.
1628 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1629 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1630 -musermode documentation.
1632 2006-11-29 Jim Tison <jtison@us.ibm.com>
1634 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1635 __gthread_recursive_mutex_init): Define.
1637 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1639 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1640 STRICT_ALIGNMENT and the type is more aligned than the saved
1641 registers, copy via a temporary.
1643 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1646 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1649 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1651 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1653 2006-11-28 Jan Hubicka <jh@suse.cz>
1655 Privatize SSA variables into gimple_df.
1656 * tree-flow-inline.h
1657 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1658 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1659 gimple_nonlocal_all): New accessors.
1660 (first_referenced_var): Update.
1661 (mark_stmt_modified): Update.
1662 (is_call_clobbered): Update.
1663 (mark_call_clobbered): Update.
1664 (clear_call_clobbered): Update.
1665 (mark_non_addressable): Update.
1666 * tree-vrp.c (get_value_range): Update.
1667 * tree-into-ssa.c (in_ssa_p): Kill.
1668 (get_default_def_for): Update.
1669 (rewrite_into_ssa): Update.
1670 * tree-complex.c (init_parameter_lattice_values): Update.
1671 (update_complex_assignment): Update.
1672 (update_parameter_components): Update.
1673 (expand_complex_libcall): Update.
1674 (expand_complex_operations_1): Update.
1675 * tree-tailcall.c (arg_needs_copy_p): Update.
1676 (add_virtual_phis): Update.
1677 (tree_optimize_tail_calls_1): Update.
1678 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1679 * tree-ssa-copyrename.c
1680 (copy_rename_partition_coalesce): Update.
1681 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1682 * tree-ssa-propagate.c (set_rhs): Update.
1683 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1684 addressable_vars, global_var):Kill.
1685 (set_initial_properties): Update.
1686 (init_alias_info): Update.
1687 (finalize_ref_all_pointers): Update.
1688 (setup_pointers_and_addressables): Update.
1689 (maybe_create_global_var): Update.
1690 (create_global_var): Update.
1691 (dump_points_to_info): Update.
1692 * function.h (struct gimple_df): Forward declare.
1693 (struct function): Add GIMPLE_DF field.
1694 * gimplify.c (force_gimple_operand): Update.
1695 * tree-dfa.c (referenced_vars, default_defs): KIll.
1696 (make_rename_temp): Update.
1697 (dump_variable): Update.
1698 (referenced_var_lookup): Update.
1699 (referenced_var_check_and_insert): Update.
1700 (default_def): Rename to ...
1701 (gimple_default_def): ... this one; accept cfun argument.
1702 (set_default_def): Update.
1703 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1704 (cleanup_control_flow): Update.
1705 * tree-ssa-pre.c (compute_avail): Update
1706 * tree-ssa-live.c (calculate_live_on_entry): Update.
1707 * tree-ssa.c (verify_use): Update.
1708 (verify_call_clobbering): Update.
1709 (verify_call_clobbering): Update.
1710 (init_tree_ssa): Update.
1711 (delete_tree_ssa): Update.
1712 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1713 (rewrite_out_of_ssa): Update.
1714 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1715 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1717 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1718 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1719 addressable_vars, aliases_computed_p): Kill.
1720 (default_def): Rename to...
1721 (gimple_default_def): ... this one.
1722 (defaule_def_fn): Kill.
1723 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1724 * tree-ssa-structalias.c (nonlocal_all): Kill.
1725 (get_constraint_exp_from_ssa_var): Update.
1726 (create_nonlocal_var): Update.
1727 (get_constraint_for): Update.
1728 (update_alias_info): Update.
1729 (find_global_initializers): Update.
1730 (intra_create_variable_infos): Update.
1731 (intra_create_variable_infos):
1732 (find_what_p_points_to): Update.
1733 (init_alias_heapvars): Update.
1734 * tree-cfg.c (remove_bb): Update.
1735 (gimplify_val): Update.
1736 * tree-ssa-reassoc.c (get_rank): Update.
1737 (init_reassoc): Update.
1738 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1739 (ssa_names, free_ssanames): Kill.
1740 (init_ssanames): Update.
1741 (make_ssa_name): Update.
1742 (release_ssa_name): Update.
1743 (release_defs): Update.
1744 (replace_ssa_name_symbol): Update.
1745 * tree-ssa-operands.c (access_can_touch_variable): Update.
1746 (add_virtual_operand): Update.
1747 (add_call_clobber_ops): Update.
1748 (add_call_read_ops): Update.
1749 (get_call_expr_operands): Update.
1750 (get_asm_expr_operands): Update.
1752 2006-11-28 Jan Hubicka <jh@suse.cz>
1754 * builtins.c: Include tree-flow.h.
1755 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1756 assignment; convert memmove to memcpy for sizes greater than 1 where
1757 alignment of operands prohibit the partial overlap.
1759 2006-11-28 Jan Hubicka <jh@suse.cz>
1761 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1762 * cgraph.c (dump_cgraph_node): Dump stack usage.
1763 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1764 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1765 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1766 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1767 (cgraph_check_inline_limits): Limit stack growth.
1768 * cfgexpand.c: Include tree-inline.h.
1769 (account_stack_vars): New function.
1770 (expand_one_var): New param to just account the stack; return estimated
1772 (expand_used_vars_for_block): Update call of expand_one_var.
1773 (account_used_vars_for_block): New function.
1774 (estimated_stack_frame_size): Likewise.
1775 (init_vars_expansion, fini_vars_expansion): Break out from..
1776 (expand_used_vars): ... here.
1777 * tree-inline.h (estimated_stack_frame_size): Declare.
1778 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1780 2006-11-28 Richard Guenther <rguenther@suse.de>
1782 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1783 unsigned long for printing OBJECT_SIZE.
1785 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1787 * alias.c (init_alias_analysis): Remove simplification loop
1788 after propagating pointers.
1790 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1792 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1795 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1797 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1799 2006-11-27 Roger Sayle <roger@eyesopen.com>
1800 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1802 * c-common.c (constant_fits_type_p): Delete.
1803 (unsigned_conversion_warning): Delete.
1804 (conversion_warning): Integrate Wconversion warning from
1805 unsigned_conversion_warning.
1806 (convert_and_check): Integrate Woverflow warning from
1807 unsigned_conversion_warning. Reorganize and simplify to avoid
1808 dependence upon the middle-end setting TREE_OVERFLOW on integral
1809 conversions, by using int_fits_type_p directly.
1811 2006-11-27 Tobias Burnus <burnus@net-b.de>
1813 * doc/invoke.texi: Fixed typo.
1815 2006-11-27 Michael Matz <matz@suse.de>
1816 Andreas Krebbel <krebbel1@de.ibm.com>
1819 * config/s390/predicates.md (larl_operand): Check addend of larl
1820 operand to be in range of -/+2GB.
1821 * config/s390/s390.c (legitimize_pic_address): Likewise.
1822 Changed type of variable even to HOST_WIDE_INT.
1824 2006-11-27 Jan Hubicka <jh@suse.cz>
1826 * expr.c (emit_block_move_via_libcall): Export.
1827 (clear_storage_via_libcall): Rename to ...
1828 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1829 (clear_storage): Update to set_storage_via_libcall.
1830 * expr.h (emit_block_move_via_libcall): Declare
1831 * config/i386/i386.h (stringop_alg): New enum.
1832 (MAX_STRINGOP_ALGS): New constant.
1833 (stringop_algs): New struct.
1834 (processor_costs): Add memcpy/memset descriptors.
1835 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1836 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1837 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1839 * config/i386/i386.opt (minline-stringops-dynamically,
1840 mstringop-strategy): New
1842 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1843 (ix86_expand-clrmem): Rename to ...
1844 (ix86_expand_setmem): ... this one; update prototype.
1845 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1846 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1847 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1848 nocona_cost, core2_cost, generic_cost, generic64_cost,
1849 generic32_cost): Add memcpy/memset descriptors.
1850 (x86_rep_movl_optimal): Remove.
1851 (stringop_alg): New static variable.
1852 (ix86_expand_aligntest): Handle predictions.
1853 (override_options): Add strgop_alg handling.
1854 (predict_jump): New function.
1855 (scale_counter): New function.
1856 (expand_set_or_movmem_via_loop): New function.
1857 (expand_movmem_via_rep_mov): New function.
1858 (expand_setmem_via_rep_stots): New function.
1859 (emit_strmov): New function.
1860 (expand_movmem_epilogue): New function.
1861 (expand_setmem_epilogue_via_loop): New function.
1862 (expand_setmem_epilogue): New function.
1863 (expand_movmem_prologue): New function.
1864 (expand_setmem_prologue): New function.
1865 (decide_alg): New function.
1866 (decide_alignment): New function.
1867 (ix86_exand_movmem): Rewrite.
1868 (promote_duplicated_reg): New function.
1869 (ix86_expand_clrmem): Rename to ...
1870 (ix86_expand_setmem): ... this one. Rewrite.
1872 * invoke.texi (minline-stringops-dynamically): New command line option.
1873 (mstringop-strategy): Likewise.
1875 2006-11-27 Jan Hubicka <jh@suse.cz>
1877 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1878 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1879 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1880 * insn-notes.def (FUNCTION_END): Remove.
1881 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1882 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1884 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1885 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1886 * cfglayout.c (duplicate_insn_chain): Don't worry about
1889 2006-11-27 Richard Guenther <rguenther@suse.de>
1890 Zdenek Dvorak <dvorakz@suse.cz>
1892 * target.h (struct gcc_target): Add builtin_vectorized_function
1894 * target-def.h (TARGET_VECTORIZE): Likewise.
1895 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1896 Document new target hook.
1897 * targhooks.h (default_builtin_vectorized_function): Declare.
1898 * targhooks.c (default_builtin_vectorized_function): Define.
1899 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1900 (vectorizable_call): Declare.
1901 * tree-vect-analyze.c (vect_analyze_operations): Call
1903 * tree-vect-transform.c (vectorizable_function): New static function.
1904 (build_vectorized_function_call): Likewise.
1905 (vectorizable_call): New function.
1906 (vect_transform_stmt): Handle vectorizable calls.
1908 2006-11-27 Richard Guenther <rguenther@suse.de>
1911 * builtins.c (expand_builtin_pow): Optimize non integer valued
1912 constant exponents using sqrt or cbrt if possible. Always fall back
1913 to expanding via optabs.
1915 2006-11-27 Ira Rosen <irar@il.ibm.com>
1917 PR tree-optimization/22372
1918 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1919 the type of the base address.
1920 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1921 it in the data-ref pointer creation.
1922 (vect_init_vector): Add an argument, type of the init vector. Use it in
1924 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1925 (get_initial_def_for_reduction): Likewise.
1926 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1928 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1929 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1930 correct type in stmt creation.
1931 (vect_setup_realignment): Use the correct type in stmt creation.
1932 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1934 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1935 of MODIFY_EXPR to void_type_node.
1936 (vectorizable_condition): Change type of MODIFY_EXPR to
1938 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1941 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1944 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1945 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1946 standard 80387 constants, raise the cost to prevent
1947 compress_float_constant() to generate load from memory.
1949 * config/i386/i386.md: Add new splitter pattern to split
1950 float_extended load of constant from constant pool into
1953 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1955 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1956 section to general section. Remove documentation for
1957 --with-mpfr-dir and --with-gmp-dir, add documentation for
1958 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1961 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1963 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1965 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1967 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1969 PR tree-optimization/29122
1970 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1971 for the new version. Assign NULL to DECL_RTL of the new version.
1973 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1975 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1977 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1979 * cse.c (cse_altered): Remove.
1980 (record_jump_equiv): Make true/false argument a bool instead
1982 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1983 where appropriate. Emit a new jump before the existing one
1984 instead of after so that delete_insn_and_edges removes the
1985 dead edges properly. Check any_condjump_p before calling
1987 (cse_basic_block): Check any_condjump_p before calling
1989 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1991 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1993 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1994 -ffixed-line-length-* options.
1996 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1998 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1999 (fprem1xf4): Rename to fprem1xf4_i387.
2001 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2002 Rename patterns to fmod<mode>3. Use general_operand operand
2003 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2004 patterns for SSE math.
2005 (remaindersf3, remainderdf3): Ditto.
2007 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2009 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2010 inside start_sequence / end_sequence pair.
2012 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2014 * jump.c (mark_all_labels): Work in cfglayout mode.
2015 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2016 when in cfglayout mode, because there are no dead jumptables
2018 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2020 (commit_edge_insertions): Do not allow insertion of instructions
2021 with control flow insns when in cfglayout mode.
2023 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2025 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2027 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2028 unswitch_loop): Ditto.
2029 * tree-loop-linear.c (linear_transform_loops): Ditto.
2030 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2031 tree_ssa_lim): Ditto.
2032 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2033 free_numbers_of_iterations_estimates): Ditto.
2034 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2035 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2036 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2037 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2038 place_new_loop, duplicate_loop, duplicate_subloops,
2039 update_single_exit_for_duplicated_loops, copy_loops_to,
2040 duplicate_loop_to_header_edge, create_preheaders,
2041 force_single_succ_latches, loop_version, fix_loop_structure):
2043 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2044 tree_unroll_loop): Ditto.
2045 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2046 * tree-scalar-evolution.c (select_loops_exit_conditions,
2047 scev_initialize, scev_analysis): Ditto.
2048 * tree-scalar-evolution.h (scev_initialize): Ditto.
2049 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2050 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2051 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2052 * modulo-sched.c (sms_schedule): Ditto.
2053 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2054 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2055 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2056 * ifcvt.c (if_convert): Ditto.
2057 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2058 canonicalize_loop_induction_variables,
2059 canonicalize_induction_variables,
2060 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2061 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2062 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2063 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2064 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2065 tree_ssa_loop_done): Ditto.
2066 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2067 estimate_bb_frequencies): Ditto.
2068 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2069 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2070 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2071 decide_unrolling_and_peeling, peel_loop_completely,
2072 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2073 peel_loop_simple, unroll_loop_stupid): Ditto.
2074 * loop-doloop.c (doloop_optimize_loops): Ditto.
2075 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2076 * loop-invariant.c (move_loop_invariants): Ditto.
2077 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2078 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2079 tree_ssa_prefetch_arrays): Ditto.
2080 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2082 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2083 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2084 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2085 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2086 verify_loop_structure): Ditto.
2087 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2088 canonicalize_induction_variables, tree_unroll_loops_completely,
2089 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2090 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2091 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2092 tree_unroll_loop, linear_transform_loops): Declaration changed.
2093 * basic-block.h: Remove declaration of struct loops.
2094 * cfghooks.h (struct cfg_hooks): Change type of
2095 cfg_hook_duplicate_loop_to_header_edge.
2096 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2097 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2098 vect_transform_loop): Declaration changed.
2099 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2100 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2101 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2102 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2103 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2104 loopify, loop_version, remove_path, unswitch_loops,
2105 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2106 Declaration changed.
2108 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2110 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2111 (X87MODEF): New mode macro.
2112 (ssemodefsuffix): New mode attribute.
2113 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2114 (sqrt_extend<mode>xf2_i387): New insn pattern.
2115 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2116 insn and truncate result back to original mode using
2117 UNSPEC_TRUNC_NOOP truncation.
2118 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2119 ssemodefsuffix mode attribute.
2120 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2121 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2122 (*sqrtextenddfxf2_i387): Remove insn patterns.
2124 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2125 truncation patterns.
2127 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2129 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2132 * c-tree.h (c_maybe_initialize_eh): New prototype.
2133 * c-decl.c (finish_decl): Move EH initialization...
2134 (c_maybe_initialize_eh): ... here. New function.
2135 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2136 if not #pragma omp atomic.
2139 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2140 or UNION_TYPE inner types.
2142 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2145 * ipa-pure-const.c (check_tree): If the original tree
2146 is volatile return early and say the function is not pure
2147 nor const. Remove the volatile check for writes.
2148 (analyze_function): Print out the result of the local
2151 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2153 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2155 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2156 * config/rs6000/rs6000.c (rs6000_override_options): Use
2157 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2160 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2162 * config/s390.c (s390_emit_compare_and_swap): New function.
2163 (s390_expand_cs_hqi, s390_expand_atomic): Call
2164 s390_emit_compare_and_swap.
2166 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2168 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2170 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2174 * c-common.c (conversion_warning): New.
2175 (convert_and_check): Call conversion_warning unless there is an
2177 * doc/invoke.texi (-Wconversion): Update description.
2179 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2181 * tree-ssa-alias.c (tree_pointer_compare): New function.
2182 (compact_name_tags): New function.
2183 (group_aliases): Call compact_name_tags.
2185 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2187 * real.h (real_isinteger): Declare.
2188 * real.c (real_isinteger): Define.
2189 * builtins.c (integer_valued_real_p): Use it.
2191 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2194 * c.opt (Wtraditional-conversion): New.
2195 (Wconversion): Update description.
2196 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2197 type conversions different from what would happen in the absence
2198 of prototype are now handled by Wtraditional-conversion.
2199 * doc/invoke.texi (Wtraditional-conversion): New.
2200 (Wconversion): Update description.
2201 * doc/trouble.texi (Wconversion): Replace Wconversion by
2202 Wtraditional-conversion.
2204 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2206 * predict.c (tree_estimate_probability): Check to make
2207 sure current_loops is non null before calling flow_loops_dump.
2209 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2211 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2213 2006-11-23 David Ung <davidu@mips.com>
2215 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2217 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2218 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2219 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2220 high part of FP register when in 64-bit FP register mode. Similarly
2221 use gen_mfhc1 to load high part of FP register.
2222 (override_options): Allow -mgp32 and -mfp64 combination if
2223 ISA_HAS_MXHC1 (currently for O32 only).
2224 (mips_cannot_change_mode_class): If floating-point registers are
2225 bigger than word size. disallow conversion of float register from a
2226 large integer mode to a float mode smaller than the float register
2228 (mips_class_max_nregs): Handle float registers case seperately.
2229 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2231 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2232 (movdf_hardfloat_32bit): Similarly.
2233 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2234 support a full 64-bit fpu.
2235 (mthc1): New pattern to generate MTHC1 instruction.
2236 (mfhc1): New pattern to generate MFHC1 instruction.
2237 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2238 option for the MIPS32R2 and mention its use under O32 ABI.
2240 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2242 * var-tracking.c (emit_note_insn_var_location): Take care not to
2243 cause verify_flow_info failures.
2245 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2247 * tree-ssa-structalias.c: Remove edge weights in favor of just
2248 processing them as complex constraints.
2249 (struct constraint_graph): Remove weighted succs and preds. Rename
2250 nonweighted succs and preds.
2251 (constraint_edge): Removed.
2252 (constraint_edge_t): Ditto.
2253 (constraint_edge_pool): Ditto.
2254 (new_constraint_edge): Ditto.
2255 (constraint_edge_equal): Ditto.
2256 (constraint_edge_less): Ditto.
2257 (constraint_edge_vec_find): Ditto.
2258 (erase_self_graph_edge): Ditto.
2259 (add_graph_edge): Removed.
2260 (get_graph_weights): Ditto.
2261 (allocate_graph_weights): Ditto.
2262 (valid_weighted_graph_edge): Ditto
2263 (bitmap_other_than_zero_bit_set): Ditto.
2264 (int_add_graph_edge): Renamed to add_graph_edge.
2265 (clear_edges_for_node): Remove support for weighted edges.
2266 (merge_graph_nodes): Ditto.
2267 (valid_graph_edge): Ditto.
2268 (build_constraint_graph): Ditto.
2270 (collapse_nodes): Ditto.
2271 (process_unification_queue): Ditto.
2272 (topo_visit): Ditto.
2273 (do_ds_constraint): Ditto.
2274 (perform_var_subsitution): Ditto.
2275 (solve_graph): Ditto.
2276 (init_alias_vars): Ditto.
2277 (delete_points_to_sets): Ditto.
2278 (do_complex_constraint): Support offsetted copies here.
2280 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2282 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2284 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2286 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2289 2006-11-23 Ben Elliston <bje@au.ibm.com>
2291 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2293 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2295 PR tree-optimization/29921
2296 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2297 signed and unsigned zero equal.
2299 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2301 * config/rs6000/rs6000.c (get_store_dest): New.
2302 (adjacent_mem_locations): Use get_store_dest() to get
2303 the rtl of the store destination.
2305 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2307 * config/rs6000/spe.md (SPE64): New mode macro.
2308 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2310 (mov_si<mode>_e500_subreg0_2): New.
2311 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2313 (mov_si<mode>_e500_subreg4_2): New.
2314 * config/rs6000/predicates.md (input_operand): Do not allow
2315 invalid E500 subregs.
2316 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2318 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2319 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2320 involving vector modes if TARGET_SPE.
2322 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2325 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2326 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2328 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2330 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2331 mem_i_address_operand): New predicates.
2332 * config/bfin/bfin.c (bfin_issue_rate): New function.
2333 (TARGET_SCHED_ISSUE_RATE): New macro.
2334 * config/bfin/bfin.md (addrtype): New attribute.
2335 (slot0, slot1, slot2, store, pregs): New cpu_units.
2336 (core): Now a define_reservation.
2337 (alu): Remove some insn types from this reservation.
2338 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2340 (dummy reservation): Don't trigger for mcld insns.
2341 (absence_sets): Two new absence sets to enforce slot ordering.
2342 (popsi_insn): Set addrtype.
2344 2006-11-22 Ira Rosen <irar@il.ibm.com>
2346 * doc/c-tree.texi: Document new tree codes.
2347 * doc/md.texi: Document new optabs.
2348 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2350 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2351 * optabs.h (optab_index): Add new.
2352 (vec_extract_even_optab, vec_extract_odd_optab,
2353 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2354 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2355 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2357 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2358 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2359 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2360 along with macros for their access.
2361 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2363 * tree-vect-analyze.c (toplev.h): Include.
2364 (vect_determine_vectorization_factor): Fix indentation.
2365 (vect_insert_into_interleaving_chain,
2366 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2367 (vect_analyze_data_ref_dependence): Add argument for interleaving
2368 check. Check for interleaving if it's true.
2369 (vect_check_dependences): New function.
2370 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2371 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2372 (vect_update_misalignment_for_peel): Update for interleaving.
2373 (vect_verify_datarefs_alignment): Check only first data-ref for
2375 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2376 only first data-ref for interleaving.
2377 (vect_analyze_data_ref_access): Check interleaving, update
2379 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2380 with different parameters.
2381 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2382 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2383 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2384 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2385 Update step in case of interleaving.
2386 (vect_strided_store_supported, vect_permute_store_chain): New
2388 (vectorizable_store): Handle strided stores.
2389 (vect_strided_load_supported, vect_permute_load_chain,
2390 vect_transform_strided_load): New functions.
2391 (vectorizable_load): Handle strided loads.
2392 (vect_transform_stmt): Add argument. Handle strided stores. Check
2393 that vectorized stmt exists for patterns.
2394 (vect_gen_niters_for_prolog_loop): Update calculation for
2396 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2397 whole chain vectorization.
2398 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2399 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2400 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2401 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2402 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2404 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2406 * cse.c (enum taken): Remove PATH_AROUND.
2407 (addr_affects_sp_p, invalidate_skipped_set,
2408 invalidate_skipped_block): Remove.
2409 (cse_end_of_basic_block): Remove skip_blocks and related code.
2410 (cse_main): Don't test for flag_cse_skip_blocks.
2411 Update cse_end_of_basic_block call.
2412 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2413 code to lengthen the path if a jump was simplified.
2415 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2417 PR rtl-optimization/29924
2418 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2419 (unroll_loop_runtime_iterations): Assert that the argument passed to
2420 split_edge_and_insert is not NULL.
2421 * loop-doloop.c (add_test): Ditto.
2423 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2425 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2427 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2428 * cfgloopmanip.c (update_single_exits_after_duplication,
2429 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2430 * tree-scalar-evolution.c (get_loop_exit_condition,
2431 get_exit_conditions_rec, loop_closed_phi_def,
2432 number_of_iterations_in_loop, scev_const_prop): Ditto.
2433 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2434 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2436 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2438 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2439 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2440 slpeel_make_loop_iterate_ntimes,
2441 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2442 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2444 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2445 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2446 vect_analyze_loop_form): Ditto.
2447 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2448 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2449 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2450 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2451 vect_transform_loop): Ditto.
2452 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2453 (single_exit, set_single_exit): New functions.
2454 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2455 (single_exit, set_single_exit): Declare.
2456 * doc/loop.texi: Undocument single_exit field. Document single_exit
2459 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2461 PR tree-optimization/29902
2462 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2463 any involved ssa name appears in abnormal phi node.
2465 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2467 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2468 (xtensa_const_ok_for_letter_p): Delete.
2469 (xtensa_extra_constraint): Delete.
2470 (override_options): Delete xtensa_char_to_class initialization.
2471 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2472 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2473 (EXTRA_CONSTRAINT): Delete.
2474 * config/xtensa/xtensa.md: Include constraints.md.
2475 (call_internal): Combine alternatives.
2476 (call_value_internal): Likewise, and remove invalid constraints.
2477 * config/xtensa/constraints.md: New file.
2478 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2479 (xtensa_extra_constraint): Delete.
2480 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2483 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2485 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2486 of conversion that doesn't fit.
2488 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2489 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2490 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2492 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2494 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2496 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2498 2006-11-21 Richard Guenther <rguenther@suse.de>
2500 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2501 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2502 vect_recog_pow_pattern.
2503 (vect_recog_pow_pattern): New function.
2505 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2507 * config/bfin/bfin.opt (mstack-check-l1): New.
2508 * doc/invoke.texi (Blackfin Options): Document it.
2509 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2510 stack bounds in L1 memory if the new option is enabled.
2511 (override_options): Don't allow combinations of -fstack-limit and
2513 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2516 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2518 (bfin_register_move_cost): Bump costs if trying to move plain
2519 integer values through accumulators.
2521 2006-11-21 Ben Elliston <bje@au.ibm.com>
2523 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2525 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2526 Russell Olsen <Russell_Olsen@playstation.sony.com>
2527 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2528 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2529 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2530 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2531 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2533 * config.gcc: Add target for SPU.
2534 * config/spu/constraints.md: New file.
2535 * config/spu/crt0.c: New file.
2536 * config/spu/crtend.c: New file.
2537 * config/spu/crti.asm: New file.
2538 * config/spu/crtn.asm: New file.
2539 * config/spu/float_unsdidf.c: New file.
2540 * config/spu/float_unssidf.c: New file.
2541 * config/spu/predicates.md: New file.
2542 * config/spu/spu-builtins.def: New file.
2543 * config/spu/spu-builtins.h: New file.
2544 * config/spu/spu-builtins.md: New file.
2545 * config/spu/spu-c.c: New file.
2546 * config/spu/spu-elf.h: New file.
2547 * config/spu/spu-modes.def: New file.
2548 * config/spu/spu-protos.h: New file.
2549 * config/spu/spu.c: New file.
2550 * config/spu/spu.h: New file.
2551 * config/spu/spu.md: New file.
2552 * config/spu/spu.opt: New file.
2553 * config/spu/spu_internals.h: New file.
2554 * config/spu/spu_intrinsics.h: New file.
2555 * config/spu/spu_mfcio.h: New file.
2556 * config/spu/t-spu-elf: New file.
2557 * config/spu/vec_types.h: New file.
2558 * config/spu/vmx2spu.h: New file.
2559 * doc/contrib.texi: Document SPU contributor.
2560 * doc/extend.texi: Document SPU extensions.
2561 * doc/invoke.texi: Document SPU options.
2562 * doc/md.texi: Document SPU constraints.
2564 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2566 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2568 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2570 (flow_loop_dump): Do not dump loop level.
2571 (flow_loops_find): Do not call flow_loops_level_compute.
2572 * cfgloop.h (struct loop): Remove level field.
2574 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2576 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2577 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2578 Use vector of edges instead of array.
2579 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2580 estimate_numbers_of_iterations_loop): Ditto.
2581 * predict.c (predict_loops): Ditto.
2582 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2583 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2585 * basic-block.h: Declare heap allocation for edge vectors.
2586 * tree-outof-ssa.c: Ditto.
2587 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2588 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2590 2006-11-20 Zack Weinberg <zackw@panix.com>
2592 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2593 Add another out parameter, "skip".
2594 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2595 is tagged "skip", do not mark its type used.
2597 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2600 * tree-sra.c (single_scalar_field_in_record_p): New function.
2601 (decide_block_copy): Use it.
2603 2006-11-20 David Daney <ddaney@avtrex.com>
2605 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2606 PC to point to following instruction.
2608 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2612 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2614 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2616 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2618 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2619 Add sh/superh.h to tm_file.
2621 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2622 Mark Mitchell <mark@codesourcery.com>
2624 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2626 (cpp_relocated): New function.
2627 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2629 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2630 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2631 replace configured prefix with gcc_exec_prefix.
2633 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2635 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2636 bfin_legitimate_constant_p.
2637 * config/bfin/bfin.md (movsi expander): Check return value of
2639 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2640 (expand_move): Adjust prototype.
2641 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2642 invalid constants specially.
2643 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2645 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2647 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2648 sibcall_value_symbol): Allow these patterns if
2649 TARGET_LEAF_ID_SHARED_LIBRARY.
2650 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2651 (override_options): Turn on id shared library flags if -msep-data,
2652 but disallow the combination of these options on the command line.
2653 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2654 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2655 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2656 -mid-shared-library.
2657 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2658 * doc/invoke.texi (Blackfin Options): Document new switches.
2660 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2661 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2663 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2664 inflate costs for addresses with an out-of-bounds address.
2666 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2669 * fwprop.c (loops): Remove.
2670 (forward_propagate_into): Use current_loops instead of
2672 (fwprop_init): Call loop_optimizer_init instead of
2674 (fwprop_done): Call loop_optimizer_finalize instead of
2676 (fwprop): Use current_loops instead of loops.
2678 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2681 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2683 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2686 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2687 larger than BITS_PER_WORD.
2689 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2693 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2694 to MAX_FIXED_MODE_SIZE.
2696 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2698 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2699 (fold_builtin_fmin_fmax): New.
2700 (fold_builtin_1): Use it.
2702 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2704 2006-11-18 Richard Guenther <rguenther@suse.de>
2706 * config/i386/i386.c (ix86_builtins): New array for ix86
2707 builtin function decls.
2708 (def_builtin): New function.
2709 (def_builtin_const): Likewise.
2710 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2712 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2714 * doc/invoke.texi (core2): Add item.
2716 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2718 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2719 (TARGET_CPU_DEFAULT_generic): Change value.
2720 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2721 (processor_type): Add new constant PROCESSOR_CORE2.
2723 * config/i386/i386.md (cpu): Add core2.
2725 * config/i386/i386.c (core2_cost): New initialized variable.
2726 (m_CORE2): New macro.
2727 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2728 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2729 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2730 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2731 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2732 x86_accumulate_outgoing_args, x86_prologue_using_move,
2733 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2734 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2735 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2736 x86_pad_returns): Add m_CORE2.
2737 (override_options): Add entries for Core2.
2738 (ix86_issue_rate): Add case for Core2.
2740 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2742 * doc/invoke.texi: Fix mno-isel typo.
2744 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2746 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2747 easy vector constant loads.
2749 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2751 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2752 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2753 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2754 * config/rs6000/sync.md (lwsync): Emit plain sync if
2757 2006-11-17 DJ Delorie <dj@redhat.com>
2759 * reload1.c (reloads_unique_chain): New.
2760 (reloads_conflict): Call it.
2762 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2764 * config/xtensa/predicates.md (addsubx_operand): New.
2765 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2766 (xtensa_emit_bit_branch): New.
2767 (xtensa_emit_movcc): New.
2768 * config/xtensa/xtensa.md (any_minmax): New code macro.
2769 (minmax): New code attribute.
2770 (any_cond, any_scc, any_scc_sf): New code macros.
2771 (*addx2, *addx4, *addx8): Delete.
2773 (*subx2, *subx4, *subx8): Delete.
2775 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2776 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2777 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2778 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2779 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2780 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2781 (movsfcc_internal0, movsfcc_internal1): Likewise.
2782 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2783 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2784 (xtensa_emit_bit_branch): New.
2785 (xtensa_emit_movcc): New.
2786 (function_arg_boundary): Add missing prototype.
2788 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2790 * config/xtensa/xtensa.md (tstsi): Delete
2792 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2794 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2796 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2798 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2800 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2802 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2804 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2806 * tree-vrp.c (execute_vrp): Do not update current_loops.
2807 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2808 * doc/loop.texi: Remove documentation for cancelled functions.
2809 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2810 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2812 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2813 (remove_path): Ensure that in delete_basic_blocks, the loops
2814 are still allocated.
2815 (add_loop): Work on valid loop structures.
2816 (loopify): Modify call of add_loop.
2817 (mfb_update_loops): Removed.
2818 (create_preheader): Do not update loops explicitly.
2819 (force_single_succ_latches, loop_version): Do not use
2820 loop_split_edge_with.
2821 (loop_split_edge_with): Removed.
2822 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2823 Do not use bsi_insert_on_edge_immediate_loop.
2824 (split_loop_exit_edge, tree_unroll_loop): Do not use
2825 loop_split_edge_with.
2826 (bsi_insert_on_edge_immediate_loop): Removed.
2827 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2828 use loop_split_edge_with.
2829 * cfghooks.c: Include cfgloop.h.
2830 (verify_flow_info): Verify that loop_father is filled iff current_loops
2832 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2833 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2835 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2837 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2838 loop_split_edge_with.
2839 (sms_schedule): Use current_loops.
2840 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2841 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2843 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2844 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2845 * ifcvt.c (if_convert): Ditto.
2846 * predict.c (predict_loops): Do not clear current_loops.
2847 (tree_estimate_probability): Use current_loops.
2848 (propagate_freq): Receive head of the region to propagate instead of
2850 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2851 (estimate_loops): New function. Handle case current_loops == NULL.
2852 (estimate_bb_frequencies): Do not allocate tovisit. Use
2854 * tree-ssa-loop.c (current_loops): Removed.
2855 (tree_loop_optimizer_init): Do not return loops.
2856 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2857 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2858 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2859 Do not update loops explicitly.
2860 * function.h (struct function): Add x_current_loops field.
2861 (current_loops): New macro.
2862 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2863 * loop-unroll.c (split_edge_and_insert): New function.
2864 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2865 use loop_split_edge_with.
2866 * loop-doloop.c (add_test, doloop_modify): Ditto.
2867 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2868 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2869 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2870 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2872 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2873 (flow_loops_free): Do not free dfs_order and rc_order.
2874 (flow_loops_find): Do not set dfs_order and rc_order in loops
2875 structure. Do not call loops and flow info verification.
2876 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2877 already belongs to some loop.
2878 * cfgloop.h (struct loops): Remove struct cfg.
2879 (current_loops, loop_split_edge_with): Declaration removed.
2880 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2881 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2882 Declaration removed.
2883 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2884 * basic-block.h (split_edge_and_insert): Declare.
2885 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2887 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2889 PR tree-optimization/29801
2890 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2891 (get_default_value): Use get_symbol_constant_value.
2892 (set_lattice_value): ICE when the value of the constant is
2894 (visit_assignment): Ignore VDEFs of read-only variables.
2896 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2898 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2900 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2901 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2903 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2905 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2906 select subvars of var.
2908 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2911 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2912 optimize if DEF doesn't have integral type.
2914 2006-11-16 Mike Stump <mrs@apple.com>
2916 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2917 pre-darwin9 system, unless the user asks for it directly.
2918 (PREFERRED_DEBUGGING_TYPE): Likewise.
2919 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2920 * config.gcc: Add suppport for darwin9.h.
2921 * config/darwin9.h: Add.
2922 * doc/install.texi (Specific): Clarify darwin documentation.
2924 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2926 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2927 optimizing for size.
2929 2006-11-16 Mike Stump <mrs@apple.com>
2931 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2933 2006-11-16 Dirk Mueller <dmueller@suse.de>
2935 * tree-vrp.c (get_value_range): Use XCNEW instead
2937 (insert_range_assertions): Use XCNEWVEC instead
2938 of XNEWVEC and memset.
2939 (vrp_initialize): Same.
2940 (vrp_finalize): Same.
2941 * tree-ssa-ccp.c (ccp_initialize): Same.
2942 * predict.c (tree_bb_level_predictions): Same.
2943 * calls.c (expand_call): Same.
2944 * tree-ssa-copy.c (init_copy_prop): Same.
2945 (fini_copy_prop): Same.
2946 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2947 of GGC_NEW and memset.
2949 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2952 * gimplify.c (gimplify_expr): Only force a load for references to
2953 non-BLKmode volatile values.
2954 * doc/implement-c.texi (Qualifiers implementation): Document the
2955 interpretation of what a volatile access is.
2956 * doc/extend.texi (C++ Extensions): Rework same documentation.
2958 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2960 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2963 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2965 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2967 (arm_neg_abssi2): Renamed from neg_abssi2.
2968 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2970 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2972 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2973 number of arguments passed to local functions in SSE registers is 3.
2975 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2976 number of arguments passed in SSE registers to 3.
2978 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2981 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2983 (get_last_bb_insn): ... new global function.
2984 (basic_block.h): Declare it.
2985 * haifa-sched.c (create_recovery_block): Use it.
2987 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2990 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2992 2006-11-15 Paul Brook <paul@codesourcery.com>
2994 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2995 _Unwind_GetTextRelBase): Move from here ...
2996 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2997 _Unwind_GetTextRelBase): ... To here.
2999 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3001 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3002 addresses we generate for testing are aligned.
3004 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3007 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3008 to what is the const decl is a place holder for.
3010 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3012 * config/i386/i386.opt: New target option -mx87regparm.
3014 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3015 and float_in_x87 variables. mmx_words, sse_words: Remove.
3016 (X87_REGPARM_MAX): Define.
3018 * config/i386/i386.c (override_options): Error out for
3019 -mx87regparm but no 80387 support.
3020 (ix86_attribute_table): Add x87regparm.
3021 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3022 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3023 (ix86_function_x87regparm): New function.
3024 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3026 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3028 (function_arg_advance): Process x87_nregs and x87_regno when
3029 floating point argument is to be passed in 80387 register.
3030 (function_arg): Pass XFmode arguments in 80387 registers for local
3031 functions. Pass SFmode and DFmode arguments to local functions
3032 in 80387 registers when flag_unsafe_math_optimizations is set.
3034 * reg-stack.c (convert_regs_entry): Disable NaN load for
3035 stack registers that are used for argument passing.
3037 * doc/extend.texi: Document x87regparm function attribute.
3038 * doc/invoke.texi: Document -mx87regparm.
3040 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3042 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3043 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3044 arg MODE; all callers changed. Use it to determine validity per
3045 machine mode instead of using Pmode for all memory references.
3046 (get_address_cost): Likewise add and use new arg MEM_MODE.
3048 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3049 J"orn Rennecke <joern.rennecke@st.com>
3051 * combine.c (likely_spilled_retval_1): Fix masking operation.
3052 (likely_spilled_retval_p): Use proper pattern for call to
3053 likely_spilled_retval_1.
3055 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3057 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3059 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3060 that tests for CONSTANT_POOL_ADDRESS_P.
3062 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3064 PR tree-optimization/29581
3065 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3066 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3067 type is different between Y and USE, create a temporary
3068 variable, initialize it at the beginning of the body bb
3069 and use it as replacement instead of Y.
3071 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3074 * gimplify.c (fold_indirect_ref_rhs): Use
3075 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3077 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3079 * expmed.c (emit_store_flag_1): New function.
3080 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3082 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3083 Use do_compare_rtx_and_jump.
3084 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3085 * arm.md (cstoresi4): New define_expand.
3086 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3087 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3088 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3090 2006-11-14 Caroline Tice <ctice@apple.com>
3092 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3093 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3095 (pubname_table): Redefine as a vector.
3096 (pubtype_table): New static global variable, defined as a vector.
3097 (pubname_table_allocated): Remove static global variable.
3098 (pubname_table_in_use): Remove static global variable.
3099 (PUBNAME_TABLE_INCREMENT): Remove constant.
3100 (size_of_pubnames): Add parameter to deal with either pubnames or
3101 pubtypes, and change code to deal with table being a vector.
3102 (add_pubname): Change to deal with table being a vector.
3103 (add_pubtype): New function.
3104 (output_pubnames): Add parameter to deal with either pubnames or
3105 pubtypes, and change code to deal with table being a vector.
3106 (gen_array_type_die): Add call to add_pubtype.
3107 (gen_enumeration_type_die): Add call to add_pubtype.
3108 (gen_struct_or_union_type_die): Add call to add_pubtype.
3109 (gen_subroutine_type_die): Add call to add_pubtype.
3110 (gen_typedef_die): Add call to add_pubtype.
3111 (dwarf2out_init): Add code to initialize pubname_table and
3112 pubtype_table vectors; also initialize debug_pubtypes_section.
3113 (prune_unused_types): Change to deal with pubnames being a vector.
3114 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3115 pubnames table to call to output_pubnames; Add code to output pubtypes
3116 table if DEBUG_PUBTYPES_SECTION is defined.
3117 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3119 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3121 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3123 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3124 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3125 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3126 movv2si_internal): Support moves between core registers.
3128 2006-11-14 Eric Christopher <echristo@apple.com>
3130 * configure: Regenerate with autoconf 2.59.
3132 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3134 Fix PR tree-optimization/27755
3136 * tree-ssa-pre.c: Update comments.
3137 (bb_bitmap_sets): Add pa_in and deferred member.
3138 (BB_DEFERRED): New macro.
3139 (maximal_set): New variable.
3140 (pre_stats): Add pa_insert member.
3141 (bitmap_set_and): Short circuit orig == dest.
3142 (bitmap_set_subtract_values): New function.
3143 (bitmap_set_contains_expr): Ditto.
3144 (translate_vuses_through_block): Add phiblock argument.
3145 (dependent_clean): New function.
3146 (compute_antic_aux): Update for maximal_set changes.
3147 (compute_partial_antic_aux): New function.
3148 (compute_antic): Handle partial anticipation.
3149 (do_partial_partial_insertion): New function.
3150 (insert_aux): Handle partial anticipation.
3151 (add_to_sets): Add to maximal set.
3152 (compute_avail): Ditto.
3153 (init_pre): Initialize maximal_set.
3154 (execute_pre): Do partial anticipation if -O3+.
3156 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3158 PR rtl-optimization/29798
3160 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3161 TARGET_INSN before any other check.
3162 (fwprop_init): Always calculate dominators.
3163 (fwprop_done): Always free them.
3165 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3167 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3170 2006-11-13 DJ Delorie <dj@redhat.com>
3172 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3173 temporary for intermediates.
3175 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3177 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3178 (sh_optimize_target_register_callee_saved): #if 0 the code
3179 using NOTE_INSN_LOOP_{BEG,END}.
3181 2006-11-13 Roger Sayle <roger@eyesopen.com>
3183 * fold-const.c (optimize_bit_field_compare): Recursively call
3184 fold when simplifying non-constant comparisons between bit-fields.
3186 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3188 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3190 * configure: Rebuilt.
3192 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3194 * config/rs6000/cell.md: New file.
3195 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3197 (ppccell_cost): New cost matrix.
3198 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3199 (rs6000_override_options): Set rs6000_always_hint to false
3200 for cell. Also align functions/lables/loops to 8byte
3201 for the Cell. Use PROCESSOR_CELL.
3202 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3203 using_mtcr_multiple.
3204 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3205 on the Cell, return 0.
3206 (rs6000_adjust_cost): Add Cell cost adjustments.
3207 (is_microcoded_insn): Return true for Cell microcoded
3209 (is_nonpipeline_insn): New function.
3210 (rs6000_issue_rate): Add PROCESSOR_CELL.
3211 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3213 (rs6000_use_sched_lookahead_guard): New function.
3214 (rs6000_sched_reorder): Reorder the ready list, if the second
3215 to last ready insn is a nonepipeline insn on the Cell.
3216 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3217 (ASM_CPU_SPEC): Add Cell.
3218 * config/rs6000/rs6000.md (cpu): Add Cell.
3219 (cell_micro): New Attr.
3222 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3224 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3226 * configure: Rebuilt.
3228 2006-11-13 Richard Guenther <rguenther@suse.de>
3230 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3232 (ix86_expand_lfloorceil): Likewise.
3233 (ix86_expand_rint): Likewise.
3234 (ix86_expand_floorceildf_32): Likewise.
3235 (ix86_expand_floorceil): Likewise.
3236 (ix86_expand_rounddf_32): Likewise.
3237 (ix86_expand_truncdf_32): Likewise.
3238 (ix86_expand_round): Likewise.
3240 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3241 Mark Mitchell <mark@codesourcery.com>
3243 * gcc.c: Organize search path variables into $prefix relative,
3244 and well-known native. Add comments.
3245 (add_sysrooted_prefix): Add comment.
3246 (process_command): If !gcc_exec_prefix add $prefix based paths.
3247 If *cross_compile == '0', add native well-known paths.
3248 Assert tooldir_base_prefix is always relative.
3249 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3250 use this value for 'install:' path.
3251 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3253 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3255 * config/i386/i386.c: Fix a typo in comment.
3257 2006-11-13 Michael Matz <matz@suse.de>
3259 * genemit.c (gen_expand): Allocate enough memory.
3261 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3263 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3264 __GXX_TYPEINFO_EQUALITY_INLINE but not
3265 __GXX_MERGED_TYPEINFO_NAMES.
3266 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3267 __GXX_MERGED_TYPEINFO_NAMES.
3268 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3269 __GXX_TYPEINFO_EQUALITY_INLINE.
3271 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3272 Zdenek Dvorak <dvorakz@suse.cz>
3274 PR tree-optimization/29680
3275 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3278 2006-11-12 Jason Merrill <jason@redhat.com>
3279 Andrew Pinski <pinskia@physics.uc.edu>
3282 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3284 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3286 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3287 * tree.c (build_vector): Handle non-_CST elements.
3289 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3291 * genemit.c (gen_insn): Call gen_exp with a non-null used
3292 when handling multiple insns.
3293 (gen_expand): Likewise.
3294 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3295 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3296 (movsi_const_16bit+1): Copy operands[1].
3297 (call_pcrel): Copy the call_site pattern.
3298 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3300 2006-11-12 Roger Sayle <roger@eyesopen.com>
3302 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3303 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3304 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3305 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3307 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3309 Fix PR tree-optimization/29587
3310 * tree-ssa-structalias.c (process_constraint): Don't
3311 mark address taken due only to escaped vars constraint.
3313 2006-11-12 Michael Matz <matz@suse.de>
3314 Roger Sayle <roger@eyesopen.com>
3316 PR rtl-optimization/29797
3317 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3318 BITS_BIG_ENDIAN targets.
3320 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3322 * builtins.c (fold_builtin_cosh): New.
3323 (fold_builtin_1): Use it.
3324 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3325 trunc to the list of "odd" functions. Also add llrint, lrint,
3326 rint and nearbyint when flag_rounding_math is false.
3328 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3330 * tree-flow.h (name_mappings_registered_p): Declare.
3331 * tree-into-ssa.c (name_mappings_registered_p): New function.
3332 * tree-cfg.c (tree_can_merge_blocks_p): Check
3333 name_mappings_registered_p instead of need_ssa_update_p.
3335 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3337 * tree-ssa-loop.c (tree_vectorize): Return the result of
3339 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3340 if anything changed.
3341 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3342 * tree-flow.h (vectorize_loops): Declaration changed.
3344 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3346 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3348 (issue_prefetch_ref): Move assignment to write_p out of loop.
3349 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3350 SIMULTANEOUS_PREFETCHES into account.
3351 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3352 * lambda-code.c (lcm): Renamed to ...
3353 (least_common_multiple): ... and exported.
3354 * tree-flow.h (least_common_multiple): Declare.
3356 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3358 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3359 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3360 ud-chains. Handle AND_EXPR.
3361 (record_estimate): Record whether the estimate is realistic
3362 and whether it is derived from a loop exit.
3363 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3364 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3366 (compute_estimated_nb_iterations): Take only realistic bounds into
3367 account. Set estimate_state. Use double_ints.
3368 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3369 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3370 that do not have to be always executed.
3371 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3372 to determine whether to call infer_loop_bounds_from_undefined
3373 and compute_estimated_nb_iterations.
3374 (n_of_executions_at_most): Use double_ints.
3375 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3376 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3377 * double-int.c (double_int_to_tree): Improve comment.
3378 (double_int_fits_to_tree_p): New function.
3379 * double-int.h (double_int_fits_to_tree_p): Declare.
3380 * tree-data-ref.c: Include langhooks.h.
3381 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3382 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3383 (analyze_array): Do not pass estimate_only argument to
3384 analyze_array_indexes.
3385 (get_number_of_iters_for_loop): Build tree from the stored double_int
3387 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3388 (find_data_references_in_loop): Use find_data_references_in_stmt.
3389 * tree-data-ref.h (struct data_ref_loc_d): New.
3390 (get_references_in_stmt): Declare.
3391 (estimate_iters_using_array): Declaration removed.
3392 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3393 double_int. Improve comments. Add is_exit and realistic
3395 (struct loop): Changed type of estimated_nb_iterations to double_int.
3396 Added estimate_state field.
3397 (record_estimate): Declaration removed.
3399 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3401 * params.c (set_param_value): Initialize the "set" field.
3402 * params.h (struct param_info): Add "set" field.
3403 (PARAM_SET_P): New macro.
3404 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3405 L1_CACHE_LINE_SIZE): New macros.
3406 * toplev.c (DEFPARAM): Initialize the "set" field.
3407 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3408 SIMULTANEOUS_PREFETCHES): Removed.
3409 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3410 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3411 * config/sparc/sparc.c: Include params.h.
3412 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3413 L1_CACHE_LINE_SIZE parameters.
3414 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3416 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3418 * config/i386/i386.c: Include params.h.
3419 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3420 (override_options): Set SIMULTANEOUS_PREFETCHES and
3421 L1_CACHE_LINE_SIZE parameters.
3422 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3423 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3424 L1_CACHE_LINE_SIZE parameters.
3425 * config/ia64/ia64.c (ia64_optimization_options): Set
3426 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3427 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3429 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3430 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3431 * doc/invoke.texi: Document new params.
3433 2006-11-12 Roger Sayle <roger@eyesopen.com>
3435 PR tree-optimization/13827
3436 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3439 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3441 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3442 update_single_exit_for_duplicated_loops): New functions.
3443 (duplicate_loop_to_header_edge): Use
3444 update_single_exit_for_duplicated_loops.
3445 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3446 functions only with ENABLE_CHECKING.
3448 2006-11-12 Andreas Schwab <schwab@suse.de>
3450 * except.c (sjlj_emit_function_enter): Remove unused variable.
3452 2006-11-11 Roger Sayle <roger@eyesopen.com>
3454 * fold-const.c (int_binop_types_match_p): New function.
3455 (size_binop): Relax constraint that both arguments must both have
3456 exactly the same sizetype type. Instead use int_binop_types_match_p.
3457 (size_diffop): Likewise.
3459 (make_range): Use build_int_cst instead of fold_convert.
3460 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3461 integer constants of the correct type.
3462 (fold_div_compare): Likewise.
3463 (fold_single_bit_test): Likewise.
3464 (fold_binary): Likewise.
3465 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3466 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3468 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3471 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3472 non null value if the struct memory access is in the 0th
3475 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3478 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3479 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3482 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3483 instead of builtin_define for bfin and BFIN.
3485 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3487 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3490 2006-11-11 Jan Hubicka <jh@suse.cz>
3492 * extend.texi (__builtin_expect): We no longer require second argument
3494 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3495 * builtins.c (expand_builtin_expect): Simplify.
3496 (expand_builtin_expect_jump): Kill.
3497 * final.c (final_scan_insn): Do not skip the removed notes.
3498 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3499 EXPECTED_VALUE): Remove.
3500 * dojump.c (do_jump): Do not care about __builtin_expect.
3501 * predict.c (expected_value_to_br_prob): Kill.
3502 * function.c (expand_function_end): Do not expand
3503 NOTE_INSN_REPEATED_LINE_NUMBER.
3504 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3505 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3506 * cfgexpand.c (add_reg_br_prob_note): Export.
3507 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3508 expected_value_to_br_prob.
3509 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3510 * rtl.h (add_reg_br_prob_note): Declare.
3512 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3514 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3516 2006-11-11 Jan Hubicka <jh@suse.cz>
3518 * predict.c (predict_loops): Kill RTL variant.
3520 2006-11-11 Jan Hubicka <jh@suse.cz>
3522 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3523 * modulo-sched.c (find_line_note): Remove.
3524 (loop_canon_p): Do not worry about line number notes.
3525 (sms_schedule): Likewise.
3526 * cse.c (cse_main): Likewise.
3527 * regmove.c (fixup_match_1): Likewise
3528 * function.c (emit_return_info_block): Likewise.
3529 (expand_function_end): Likewise.
3530 (thread_prologue_an_epilogue_insns): Likewise.
3531 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3533 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3534 emit_note_copy_after): Kill.
3535 (emit_note_copy): Do not worry about line numbers.
3536 * jump.c (purge_line_number_notes): Kill.
3537 (pass_purge_lineno_notes): Kill.
3538 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3540 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3541 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3542 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3543 * tree-pass.h (pass_purge_lineno_notes): Kill.
3544 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3545 rm_redundant_line_notes.
3546 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3547 rm_redundant_line_notes.
3548 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3549 * haifa-sched.c: Update comment about handling notes.
3550 (unlink_line_notes): Kill.
3551 (rm_line_notes): Kill.
3552 (save_line_notes): Simplify.
3553 (rm_redundant_line_notes): Kill.
3555 2006-11-11 Richard Guenther <rguenther@suse.de>
3557 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3558 Remove unused tree codes.
3559 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3560 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3561 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3562 * tree.c (stabilize_reference): Likewise.
3563 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3564 fold_unary): Likewise.
3565 * tree-gimple.c (is_gimple_cast): Likewise.
3566 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3567 * expr.c (expand_expr_real_1): Likewise.
3568 * tree-eh.c (tree_could_trap_p): Likewise.
3569 * gimplify.c (gimplify_expr): Likewise.
3570 * tree-inline.c (estimate_num_insns_1): Likewise.
3571 * tree-cfg.c (verify_expr): Likewise.
3573 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3575 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3576 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3577 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3579 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3582 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3583 constraints accept neither registers or memories.
3585 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3587 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3588 (NO_PROFILE_COUNTERS): Define as 1.
3590 2006-11-10 Roger Sayle <roger@eyesopen.com>
3592 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3593 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3595 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3597 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3599 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3601 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3602 (fold_builtin_hypot): Likewise.
3603 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3605 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3607 2006-11-10 Roger Sayle <roger@eyesopen.com>
3609 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3610 when attempting to build INTEGER_CSTs of non-integral types.
3611 * expmed.c (make_tree): Use the correct type, i.e. the inner
3612 type, when constructing the individual elements of a CONST_VECTOR.
3614 2006-11-10 Jan Hubicka <jh@suse.cz>
3616 * cse.c (cse_process_notes): Copy the propagated value.
3617 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3619 * gcse.c (try_replace_reg): Copy the replacement.
3620 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3621 (assign_386_stack_local): Always return copied memory expression
3622 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3625 2006-11-10 Jan Hubicka <jh@suse.cz>
3627 * final.c (final): Walk from first instruction.
3628 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3630 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3633 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3635 (umulv8hi3_highpart): Ditto.
3636 (vec_widen_smult_hi_v8hi): New expander.
3637 (vec_widen_smult_lo_v8hi): Ditto.
3639 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3642 * builtins.c (do_mpfr_arg3): New.
3643 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3645 2006-11-09 Eric Christopher <echristo@apple.com>
3650 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3651 * config.gcc (powerpc64-*-darwin*): New target.
3652 * config.host: Ditto.
3653 * config/rs6000/darwin64.h: New file.
3654 * config/rs6000/x-darwin64: Ditto.
3655 * config/rs6000/host-ppc64-darwin.c: Ditto.
3657 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3659 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3660 routines for integer division.
3662 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3664 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3666 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3669 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3671 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3673 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3674 simplify_subreg with BLKmode outer mode.
3676 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3678 * doc/invoke.texi: Minor formatting fixes in option lists.
3680 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3682 PR tree-optimization/29738
3683 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3684 (ccp_lattice_t): Remove UNKNOWN_VAL.
3685 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3686 Do not handle UNKNOWN_VAL.
3687 (get_default_value): Set initial value of virtual operands to
3689 (get_value): Always use get_default_value on uninitialized
3691 (set_value_varying, surely_varying_stmt_p): New functions.
3692 (set_lattice_value): Do not pass argument to get_value.
3693 Do not handle UNKNOWN_VAL.
3694 (likely_value): Follow the semantics described in the comment.
3695 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3696 phi nodes DONT_SIMULATE_AGAIN.
3697 (ccp_fold): Do not pass argument to get_value.
3698 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3701 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3703 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3704 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3706 2006-11-08 Roger Sayle <roger@eyesopen.com>
3708 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3709 test for inclusion rather than as a test for exclusion.
3710 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3711 the condition after calling fold_binary.
3712 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3713 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3714 * builtins.c (fold_builtin_isascii): Likewise.
3715 (fold_builtin_isdigit): Likewise.
3717 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3719 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3720 * configure: Regenerate.
3722 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3724 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3725 enum argument instead of bool.
3726 (vect_analyze_operations): Call vectorizable_type_promotion.
3727 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3728 stmt_vec_info_type value.
3729 (supportable_widening_operation, vectorizable_type_promotion): New
3730 function declarations.
3731 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3732 (vectorizable_type_promotion): New function.
3733 (vect_transform_stmt): Call vectorizable_type_promotion.
3734 * tree-vect-analyze.c (supportable_widening_operation): New function.
3735 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3737 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3740 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3741 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3742 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3744 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3745 * expr.c (expand_expr_real_1): Likewise.
3746 * optabs.c (optab_for_tree_code): Likewise.
3747 (init_optabs): Initialize new optabs.
3748 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3749 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3750 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3751 vec_unpacku_lo_optab): Initialize new optabs.
3752 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3753 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3754 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3756 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3757 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3758 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3759 (vec_unpacku_lo_optab): New optabs.
3760 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3761 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3762 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3763 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3764 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3765 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3767 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3768 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3769 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3770 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3771 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3772 implement the unsigned unpacking patterns.
3773 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3774 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3775 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3776 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3777 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3778 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3779 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3780 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3781 multiplication patterns.
3783 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3784 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3785 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3786 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3787 (rs6000_builtin_mul_widen_odd): New.
3788 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3789 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3790 * tree-vectorizer.h (enum vect_relevant): New enum type.
3791 (_stmt_vec_info): Field relevant chaned from bool to enum
3793 (STMT_VINFO_RELEVANT_P): Updated.
3794 (STMT_VINFO_RELEVANT): New.
3795 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3796 instead of STMT_VINFO_RELEVANT_P.
3797 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3798 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3799 and boolean variable with enum vect_relevant.
3800 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3801 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3802 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3804 2006-11-08 Richard Henderson <rth@redhat.com>
3806 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3807 vec_widen_umult_lo_v8hi): New.
3808 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3809 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3811 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3812 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3813 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3814 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3815 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3816 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3817 vec_unpacks_lo_v4si): New.
3819 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3821 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3822 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3823 (vect_analyze_operations): Call vectorizable_type_demotion.
3824 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3825 stmt_vec_info_type value.
3826 (vectorizable_type_demotion): New function declaration.
3827 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3830 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3831 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3833 * tree-iniline.c (estimate_num_insns_1): Likewise.
3834 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3835 * optabs.c (optab_for_tree_code): Likewise.
3837 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3838 compared against the predicate of the result is not 'mode' (the input
3839 to the function) but a mode with half the size of 'mode'.
3840 (init_optab): Initialize new optabs.
3841 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3843 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3845 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3846 (vec_pack_usat_optab): Initialize new optabs.
3847 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3848 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3850 2006-11-08 Richard Henderson <rth@redehat.com>
3852 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3853 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3854 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3855 (vec_interleave_highv4si, vec_interleave_lowv4si):
3856 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3858 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3860 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3862 (vect_transform_stmt): Removed redundant code.
3864 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3866 * tree-vect-transform.c (vectorizable_operation): Support multiple
3869 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3871 * tree-vect-transform.c (vect_align_data_ref): Removed.
3872 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3873 Updated function documentation. Return the increment stmt in ptr_incr.
3874 (bump_vector_ptr): New function.
3875 (vect_get_vec_def_for_stmt_copy): New function.
3876 (vect_finish_stmt_generation): Create a stmt_info to newly created
3878 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3880 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3881 VF is greater than the number of elements that can fit in one vector
3883 (vectorizable_operation, vectorizable_condition): Likewise.
3884 (vectorizable_store, vectorizable_load): Support the case that the VF
3885 is greater than the number of elements that can fit in one vector word.
3886 (vect_transform_loop): Don't fail in case of multiple data-types.
3887 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3888 in case of multiple data-types; the smallest type determines the VF.
3889 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3890 if they are of different sizes.
3891 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3892 number of elements rather than number of bytes.
3893 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3894 (vect_can_advance_ivs_p): Fix a dump printout
3896 2006-11-07 Eric Christopher <echristo@apple.com>
3898 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3899 (__bswapsi2): Ditto.
3900 * libgcc2.h: Remove transformation of bswap routines.
3901 * config/i386/i386.md (bswapsi2): New.
3904 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3906 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3907 (handle_gnu_inline_attribute): New function.
3908 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3909 (merge_decls, start_decl, start_function): Likewise.
3910 * doc/extend.texi: Document gnu_inline attribute.
3912 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3915 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3916 _fixunstfdi, and _floatditf
3918 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3920 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3922 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3923 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3924 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3925 which start in an odd register.
3927 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3929 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3931 2006-11-07 Josh Conner <jconner@apple.com>
3933 * doc/invoke.texi (fstrict-aliasing): Move implementation
3935 * doc/tree-ssa.texi (Alias analysis): ...here.
3937 2006-11-07 Richard Guenther <rguenther@suse.de>
3939 PR tree-optimization/29610
3940 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3941 of tree_purge_dead_eh_edges as it may free dominators.
3943 * g++.dg/other/pr29610.C: New testcase.
3945 2006-11-07 David Ung <davidu@mips.com>
3947 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3948 costs when optimizing for size.
3949 (override_options): Use mips_rtx_cost_optimize_size table for cost
3952 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3954 * gcc.c (process_command): Treat -b as normal switch if its argument
3957 2006-11-07 David Ung <davidu@mips.com>
3959 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3962 2006-11-06 Eric Christopher <echristo@apple.com>
3964 * config.gcc: Add x86_64-darwin host support.
3965 * config.host: Ditto.
3966 * config/i386/darwin64.h: New file.
3967 * config/i386/t-darwin64: Ditto.
3969 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3971 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3972 and output-exists-not.
3974 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3977 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3978 checking for overflow.
3980 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3982 * configure.ac: Fixed typo in case statement: :: changed to ;;
3984 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3986 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3987 count_leading_zeros, and count_trailing_zeros.
3988 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3989 (TARGET_FOLD_BUILTIN): Define.
3990 (TARGET_EXPAND_BUILTIN): Define.
3991 (xtensa_init_builtins): New.
3992 (xtensa_fold_builtin): New.
3993 (xtensa_expand_builtin): New.
3994 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3995 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3996 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3997 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3998 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3999 (any_extend): New code macro.
4000 (u, su): New code attributes.
4001 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4002 (nsau): Remove; replaced by clzsi2.
4003 (ffssi2): Use clzsi2.
4004 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4005 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4006 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4007 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4008 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4010 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4012 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4014 * config/arm/t-strongarm-elf: Likewise.
4015 * config/arm/t-pe: Likewise.
4016 * config/arm/t-arm-elf: Likewise.
4017 * config/arm/t-xscale-elf: Likewise.
4018 * config/arm/t-arm-coff: Likewise.
4019 * config/arm/t-xscale-coff: Likewise.
4020 * config/arm/t-wince-pe: Likewise.
4022 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4024 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4027 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4030 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4033 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4036 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4037 as a valid 80387 constant.
4038 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4039 * config/i386/i386.md (unnamed splitter): Split the load of
4040 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4043 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4045 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4046 from the soft-frame, argument and virtual registers.
4048 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4050 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4051 patterns for standard 80387 constants.
4053 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4054 Steven Bosscher <steven@gcc.gnu.org>
4056 * fwprop.c: New file.
4057 * Makefile.in: Add fwprop.o.
4058 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4059 * passes.c (init_optimization_passes): Schedule forward propagation.
4060 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4062 * timevar.def (TV_FWPROP): New.
4063 * common.opt (-fforward-propagate): New.
4064 * opts.c (decode_options): Enable forward propagation at -O2.
4065 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4066 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4067 canon_for_address, table_size): Remove.
4068 (new_basic_block, insert, remove_from_table): Remove references to
4070 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4071 simplification loop more straightforward by not calling fold_rtx
4073 (equiv_constant): Move here a small part of fold_rtx_subreg,
4074 do not call fold_rtx. Call avoid_constant_pool_reference
4076 * recog.h (canonicalize_change_group): New.
4078 * doc/invoke.texi (Optimization Options): Document fwprop.
4079 * doc/passes.texi (RTL passes): Document fwprop.
4081 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4083 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4084 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4085 (grokdeclarator): Likewise.
4087 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4089 * tree-dump.c (dump_enable_all): Rename local variable
4090 ir_type to avoid name conflicts.
4091 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4092 instead of using ir_type().
4093 * profile.c (tree_register_profile_hooks): Likewise.
4094 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4095 * basic-block.h (struct edge_def): Likewise.
4096 * config/arm/arm.c (legitimize_pic_address): Likewise.
4097 * coretypes.h (ir_type): New enum of all intermediate languages
4099 * cfghooks.c (ir_type): Rename to...
4100 (current_ir_type): ...this. Distinguish between cfgrtl and
4101 cfglayout mode when the current IR is RTL. Return enum ir_type.
4102 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4104 2006-11-03 Paul Brook <paul@codesourcery.com>
4106 * config/arm/arm.c (arm_file_start): New function.
4107 (TARGET_ASM_FILE_START): Define.
4108 (arm_default_cpu): New variable.
4109 (arm_override_options): Set arm_default_cpu.
4111 2006-11-03 David Ung <davidu@mips.com>
4113 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4114 PROCESSOR_24KC and PROCESSOR_24KF.
4115 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4116 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4117 (mips_rtx_cost_data): Add costs for the 24kc.
4118 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4119 * config/mips/24k.md: Remove references to 24k and replace with
4120 uses of 24kc/24kf in the appropriate reservations.
4121 * doc/invoke.texi (MIPS Options): Updated.
4123 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4125 * config/sh/crt1.asm: Fix #ifdef indent.
4127 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4128 Merged from STMicroelectronics sources:
4129 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4130 * config/sh/crt1.asm (vbr_600): Add missing #if.
4131 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4132 * sh.opt (mfused-madd): New option.
4133 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4134 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4135 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4136 Remove pointless handler at VBR+0.
4137 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4138 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4139 fr7. Make sure the timer handler is called with the correct FPU
4140 precision setting, according to the ABI.
4141 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4142 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4143 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4144 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4145 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4146 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4147 zero as second operand.
4148 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4149 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4150 Fixed some bugs related to negative values, in particular -0
4151 and overflow at -0x80000000.
4152 * config/sh/divcost-analysis: Added sh4-300 figures.
4153 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4154 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4155 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4156 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4157 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4158 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4160 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4162 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4163 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4164 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4165 mac_mem, mem_mac, dfp_mul, fp_cmp.
4166 (insn_class, dfp_comp, any_fp_comp): Update.
4167 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4168 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4169 (muldf3_i): Likewise.
4170 (movsi_i): Split rI08 alternative into two separate alternatives.
4172 (movsi_ie, movsi_i_lowpart): Likewise.
4173 (movqi_i): Split ri alternative into two separate alternatives.
4175 * sh1.md (sh1_load_store, sh1_fp): Update.
4176 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4177 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4178 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4179 (sh4a_fp_double_arith): Likewise.
4180 * sh4-300.md: New file.
4181 * sh.c (sh_handle_option): Handle m4-300* options.
4182 (sh_adjust_cost): Fix latency of auto-increments.
4183 Handle SH4-300 differently than other SH4s. Check for new insn types.
4184 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4185 been set by an option.
4186 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4187 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4188 (mbranch-cost=): Likewise.
4189 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4191 * sh.md (mulsf3): Remove special expansion code.
4192 (mulsf3_ie): Now a define_insn_and_split.
4193 (macsf3): Allow for TARGET_SH4.
4195 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4196 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4197 (expand_cbranchdi4): Likewise.
4198 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4199 CONST_DOUBLE if the outer code is COMPARE.
4200 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4201 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4202 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4203 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4204 Remove redundant fp_{zero,one}_operand checks.
4205 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4206 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4207 (expand_cbranchdi4): Likewise.
4208 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4209 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4211 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4213 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4216 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4218 * doc/invoke.texi: Fix mfp-trap-mode typo.
4220 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4222 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4223 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4224 file_end_indicate_exec_stack.
4225 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4227 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4228 for a non-executable stack.
4229 * crti.asm: Likewise.
4230 * crtn.asm: Likewise.
4231 * libunwind.S: Likewise.
4233 2006-11-02 Ben Elliston <bje@au.ibm.com>
4235 * tree-ssa.c (warn_uninit): Use expand_location variables for
4236 locus and declaration locus.
4238 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4241 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4242 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4243 cmp{eq,gt,gtu}{si,di}_media.
4244 (*cmpne0si_media): Remove.
4245 (*movsicc_umin): Adjust gen_cmp*_media call.
4246 (unordered): Change the mode of unordered and operands[1] to
4248 (seq): Adjust gen_cmp*_media calls. Make the mode of
4249 a temporary result of compare SImode if needed. If the mode
4250 of operands[0] is DImode, extend the temporary result to DImode.
4251 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4252 (sunorderd): Change the mode of match_operand and unorderd to
4254 (cmpeq{sf,df}_media): Remove.
4255 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4256 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4257 and compare operation to SImode.
4259 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4261 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4263 (sparc64-sun-solaris2*): Likewise.
4265 2006-11-02 Paul Brook <paul@codesourcery.com>
4267 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4268 from priority argument. Use different section for non-default
4270 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4272 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4275 * except.c (switch_to_exception_section): Do not cache the section
4276 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4277 and flag_function_sections is set.
4279 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 * builtins.c (do_mpfr_sincos): New.
4283 (fold_builtin_1): Use it to fold builtin sincos.
4285 2006-11-01 Roger Sayle <roger@eyesopen.com>
4287 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4288 it into -D_REENTRANT.
4290 2006-11-01 Roger Sayle <roger@eyesopen.com>
4292 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4293 whether the assembler supports taking the difference of symbols in
4294 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4295 * configure: Regenerate.
4296 * config.in: Regenerate.
4297 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4298 the assembler doesn't support taking the difference of symbols in
4299 different sections, i.e. we're using the native solaris assembler.
4301 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4302 Peter Bergner <bergner@vnet.ibm.com>
4304 * doc/invoke.texi: Add cpu_type power6x
4305 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4306 * config.gcc: Add cpu_type power6x.
4307 * configure.ac: Add test for mf{t,f}gpr instructions.
4308 (HAVE_AS_MFPGPR): New.
4309 * config.in: Regenerate.
4310 * configure: Regenerate.
4311 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4312 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4313 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4314 and mftgpr attributes.
4315 (define_attr "cpu"): Add power6.
4316 Change instruction sequences to use new attributes.
4317 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4318 (fix_truncdfsi2_mfpgpr): New.
4319 (floatsidf_ppc64_mfpgpr): New.
4320 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4321 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4322 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4323 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4324 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4325 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4326 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4327 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4328 cntlz,exts and var_delayed_compare.
4329 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4330 _ARCH_PWR6X, if features enabled.
4331 * config/rs6000/rs6000.opt (mmfpgpr): New.
4332 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4333 (cached_can_issue_more): New variable.
4334 (processor_costs): Add power6_cost.
4335 (rs6000_sched_init): New function.
4336 (is_dispatch_slot_restricted): Deleted.
4337 (set_to_load_agen): New function.
4338 (is_load_insn,is_store_insn): New functions.
4339 (adjacent_mem_locations): New function.
4340 (insn_must_be_first_in_group): New function.
4341 (insn_must_be_last_in_group): New function.
4342 (rs6000_sched_reorder): New function.
4343 (rs6000_sched_reorder2): New function.
4344 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4345 TARGET_SCHED_REORDER2): Define.
4346 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4347 Add power6x. Add MASK_MFPGPR for power6x.
4348 (POWERPC_MASKS): Add MASK_MFPGPR.
4349 (rs6000_override_options): Set rs6000_always_hint to false
4350 for power6. Set rs6000_align_branch_targets. Replace
4351 rs6000_sched_groups check with rs6000_align_branch_targets.
4352 Use PROCESSOR_POWER6.
4353 (last_scheduled_insn): New variable.
4354 (load_store_pendulum): New variable.
4355 (rs6000_variable_issue): Set last_scheduled_insn and
4356 cached_can_issue_more.
4357 (rs6000_adjust_cost): Add power6 cost adjustments.
4358 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4359 with insn_must_be_first_in_group. Add power6 priority adjustments.
4360 (rs6000_issue_rate): Add CPU_POWER6.
4361 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4362 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4363 (TARGET_MFPGPR): New.
4364 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4365 (ASM_CPU_SPEC): Add power6x.
4366 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4368 * config/rs6000/power6.md: New file.
4370 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4372 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4373 HOST_WIDE_INT_PRINT to print high and low parts. Use
4374 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4375 printing a hexadecimal number prefix it with 0x.
4377 2006-11-01 Chris Johns <chris@contemporary.net.au>
4380 * Makefile.in (install-driver): Use exeext when installing
4381 $target-gcc-$version.
4383 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4385 * c-common.c (flag_cpp0x): New.
4386 * c-common.h (flag_cpp0x): New.
4387 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4388 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4389 * c-opts.c (set_std_cxx0x): New.
4390 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4391 * c.opt (std=c++0x): Document.
4392 (std=gnu++0x): Ditto.
4393 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4394 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4396 2006-11-01 Richard Guenther <rguenther@suse.de>
4398 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4400 (ix86_expand_floorceildf_32): Likewise.
4401 (ix86_expand_floorceil): Likewise.
4402 (ix86_expand_trunc): Likewise.
4404 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4406 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4409 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4411 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4413 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4415 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4417 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4418 * configure.ac (use_cxa_atexit): As a special case, don't test
4419 for libc definition of __cxa_atexit on mingw32
4420 * configure: Regenerate.
4421 * config.gcc (i[34567]86-pc-mingw32): Default to
4422 enable__cxa_atexit=yes.
4424 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4426 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4428 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4431 * c-decl.c (start_struct): Don't create self-containing
4433 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4435 * config/rs6000/rs6000-protos.h
4436 (darwin_rs6000_special_round_type_align): New.
4437 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4438 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4440 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4442 * toplev.c (compile_file): Call final_write_globals
4443 even if there have been errors.
4445 2006-10-31 Eric Christopher <echristo@apple.com>
4446 Falk Hueffner <falk@debian.org>
4448 * doc/extend.texi (__builtin_bswap32): Document.
4449 (__builtin_bswap64): Ditto.
4450 * doc/libgcc.texi (bswapsi2): Document.
4452 * doc/rtl.texi (bswap): Document.
4453 * optabs.c (expand_unop): Don't widen a bswap.
4454 (init_optabs): Init bswap. Set libfuncs explicitly
4455 for bswapsi2 and bswapdi2.
4456 * optabs.h (OTI_bswap): New.
4457 (bswap_optab): Ditto.
4458 * genopinit.c (optabs): Handle bswap_optab.
4459 * tree.h (tree_index): Add TI_UINT32_TYPE and
4461 (uint32_type_node): New.
4462 (uint64_type_node): Ditto.
4463 * tree.c (build_common_tree_nodes_2): Initialize
4464 uint32_type_node and uint64_type_node.
4465 * builtins.c (expand_builtin_bswap): New.
4466 (expand_builtin): Call.
4467 (fold_builtin_bswap): New.
4468 (fold_builtin_1): Call.
4469 * fold-const.c (tree_expr_nonnegative_p): Return true
4471 * builtin-types.def (BT_UINT32): New.
4473 (BT_FN_UINT32_UINT32): Ditto.
4474 (BT_FN_UINT64_UINT64): Ditto.
4475 * builtins.def (BUILT_IN_BSWAP32): New.
4476 (BUILT_IN_BSWAP64): Ditto.
4477 * rtl.def (BSWAP): New.
4478 * genattrtab.c (check_attr_value): New.
4479 * libgcc2.c (__bswapSI2): New.
4480 (__bswapDI2): Ditto.
4481 * libgcc2.h (__bswapSI2): Declare.
4482 (__bswapDI2): Ditto.
4483 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4484 * simplify-rtx.c (simplify_const_unary_operation): Return
4486 * libgcc-std.ver (__bwapsi2): Add.
4487 (__bswapdi2): Ditto.
4488 * reload1.c (eliminate_regs_1): Add bswap.
4489 (elimination_effects): Ditto.
4490 * config/i386/i386.h (x86_bswap): New.
4491 (TARGET_BSWAP): Use.
4492 * config/i386/i386.c (x86_bswap): Set.
4494 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4496 * coverage.c (coverage_checksum_string): Update comment.
4497 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4498 of get_file_function_name.
4499 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4500 of get_file_function_name_long.
4501 * tree.c (get_file_function_name): Rename from
4502 get_file_function_name_long; improve comment; handle 'I' and 'D'
4503 specially when the target has ctor/dtor support; remove special
4505 (get_file_function_name): Remove.
4506 * tree.h (get_file_function_name): Rename from
4507 get_file_function_name_long.
4508 (get_file_function_name): Remove prototype.
4510 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4512 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4513 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4515 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4516 Call dsymutil when compiling and linking one or more source files
4519 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4522 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4524 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4526 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4527 inline static functions in c99 mode.
4530 * doc/extend.texi (Inline): Update.
4531 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4532 * c-decl.c (current_extern_inline): Delete.
4533 (pop_scope): Adjust test for an undefined nested function.
4534 Add warning about undeclared inline function.
4535 (diagnose_mismatched_decls): Update comments. Disallow overriding
4536 of inline functions in a translation unit in C99. Allow inline
4537 declarations in C99 at any time.
4538 (merge_decls): Boolize variables. Handle C99 'extern inline'
4540 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4541 C99 inline semantics.
4542 (start_function): Don't clear current_extern_inline. Don't set
4544 (c_push_function_context): Don't push current_extern_inline.
4545 (c_pop_function_context): Don't restore current_extern_inline.
4548 * c-typeck.c (build_external_ref): Warn about static variables
4549 used in extern inline functions.
4550 * c-decl.c (start_decl): Warn about static variables declared
4551 in extern inline functions.
4553 2006-10-31 Roger Sayle <roger@eyesopen.com>
4556 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4557 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4558 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4559 or y is an even integer.
4561 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4564 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4565 * gthr-posix95.h (__gthread_active_p): Likewise.
4567 2006-10-31 Richard Guenther <rguenther@suse.de>
4569 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4570 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4571 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4572 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4573 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4574 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4575 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4576 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4579 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4581 * opts.c (decode_options): Disable CSE skip blocks.
4583 2006-10-30 Dirk Mueller <dmueller@suse.de>
4585 * c-common.h (strict_aliasing_warning): Fix whitespace.
4586 * c-decl (start_function): Move code for main decl warning ..
4587 * c-common.c (check_main_parameter_types): .. here.
4588 * c-common.h (check_main_parameter_types): Declare.
4590 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4593 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4595 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4597 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4598 be a PARALLEL containing sets. Return false when out_pat is not
4601 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4603 * config/mips/mips.md (mul<mode>3): Split into...
4604 (mulsi3, muldi3): ...these separate patterns.
4606 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4608 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4609 but with each set of options separated by spaces.
4611 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4613 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4614 dwarf_reg_size_table has been initialized.
4616 2006-10-30 Roger Sayle <roger@eyesopen.com>
4618 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4619 * ddg.c (print_ddg_edge): Likewise.
4620 * dwarf2out.c (prune_unused_types_walk): Likewise.
4621 * ifcvt.c (noce_try_cmove_arith): Likewise.
4622 * langhooks.c (add_builtin_function): Likewise.
4623 * reg-stack.c (subst_stack_regs_pat): Likewise.
4624 * tree.c (expanded_location): Likewise.
4625 * tree-dump.c (dequeue_and_dump): Likewise.
4627 2006-10-30 David Daney <ddaney@avtrex.com>
4629 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4631 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4633 PR tree-optimization/29637
4634 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4635 of the innertype is the innertype itself.
4637 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4639 * dwarf2out.c (file_name_acquire): Correct typo.
4641 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4643 * tree.h (tree_value_handle): Remove struct value_set declaration.
4644 Change value_set to bitmap_set.
4645 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4646 * tree-vn.c (get_value_handle): Made inline and moved to
4648 * tree-flow-inline.h: (has_stmt_ann): New function.
4649 * tree-ssa-pre.c (expressions): New variable.
4650 (next_expression_id): Ditto.
4651 (alloc_expression_id): New function.
4652 (struct value_set): Remove.
4653 (get_expression_id): New function.
4654 (get_or_alloc_expression_id): Ditto.
4655 (expression_for_id): Ditto.
4656 (clear_expression_ids): Ditto.
4657 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4658 (bb_value_sets): Renamed to bb_bitmap_sets.
4659 All value sets replaced with bitmap_sets.
4661 (BB_VISITED): New macro.
4662 (postorder): New variable.
4663 (add_to_value): Removed.
4664 (value_exists_in_set_bitmap): Ditto.
4665 (value_insert_into_set_bitmap): Ditto.
4668 (set_remove): Ditto.
4669 (set_contains_value): Ditto.
4670 (insert_into_set): Ditto.
4672 (find_leader): Ditto.
4673 (bitmap_set_subtract_from_value_set): Ditto.
4674 (value_insert_into_set): Ditto.
4675 (print_value_set): Ditto.
4676 (debug_value_set): Ditto.
4677 (constant_expr_p): New function.
4678 (bitmap_remove_from_set): Ditto.
4679 (bitmap_insert_into_set): Ditto.
4680 (bitmap_set_free): Ditto.
4681 (vh_compare): Ditto.
4682 (sorted_array_from_bitmap_set): Ditto.
4683 (bitmap_set_subtract): Ditto.
4684 (bitmap_set_equal): Ditto.
4685 (debug_bitmap_set): Ditto.
4686 (find_leader_in_sets): Ditto.
4687 (bitmap_set_replace_value): Modify for bitmapped sets.
4688 (phi_translate): Ditto.
4689 (phi_translate_set): Ditto.
4690 (bitmap_find_leader): Ditto.
4691 (valid_in_sets): Ditto.
4692 (union_contains_value): Ditto.
4694 (compute_antic_aux): Ditto. Mark changed blocks.
4695 (compute_antic): Ditto. Iterate in postorder and only over
4697 (compute_rvuse_and_antic_safe): Reuse postorder.
4698 (create_component_ref_by_pieces): Modify for bitmapped sets.
4699 (find_or_generate_expression): Ditto.
4700 (create_expression_by_pieces): Ditto.
4701 (insert_into_preds_of_block): Ditto.
4702 (changed_blocks): New variable.
4703 (do_regular_insertion): Broken out from insert_aux.
4704 (insert_aux): Modified for bitmapped sets.
4705 (find_existing_value_expr): New function.
4706 (create_value_expr_from): Use it.
4707 (insert_extra_phis): Removed.
4708 (print_bitmap_set): Renamed from bitmap_print_value_set.
4709 (compute_avail): Handle RETURN_EXPR.
4710 (init_pre): Modify for bitmapped sets.
4711 * tree-flow.h (has_stmt_ann): New function.
4713 2006-10-29 Roger Sayle <roger@eyesopen.com>
4715 * builtins.c (fold_builtin_floor): Check for the availability of
4716 the C99 trunc function before transforming floor into trunc.
4718 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4720 * builtins.c (fold_builtin_hypot): Rearrange recursive
4721 transformation before others, and also do ABS_EXPR. When
4722 necessary, check flag_unsafe_math_optimizations. When necessary,
4725 2006-10-29 Roger Sayle <roger@eyesopen.com>
4727 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4728 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4729 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4730 Fold -X eq/ne -Y as X eq/ne Y.
4732 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4734 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4735 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4736 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4737 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4738 Use an inclusive test for "mult" rather than "mul".
4739 (rotr<mode>3): Depend on ISA_HAS_ROR.
4740 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4742 (GENERATE_MULT3_DI): Delete.
4743 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4744 (ISA_HAS_MUL3): New macro.
4745 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4746 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4747 (ISA_HAS_CLZ_CLO): Likewise.
4748 (ISA_HAS_DCLZ_DCLO): Delete.
4749 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4750 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4751 the VR4120 and VR4130.
4752 (ISA_HAS_MACCHI): Use consistent formatting.
4753 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4754 (ISA_HAS_ROR): ...this new macro.
4755 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4756 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4757 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4759 2006-10-29 Roger Sayle <roger@eyesopen.com>
4761 PR tree-optimization/15458
4762 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4765 2006-10-29 Richard Guenther <rguenther@suse.de>
4767 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4768 (ix86_expand_truncdf_32): Likewise.
4769 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4770 trunc inline for SSE math and -fno-trapping-math and if not
4771 optimizing for size.
4772 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4773 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4774 for expanding btrunc inline for SSE math.
4776 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4778 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4779 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4780 i[34567]86-*-solaris2.1[0-9]*.
4781 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4782 Define conditionally depending on TARGET_64BIT_DEFAULT.
4783 (SPEC_32, SPEC_64): Define.
4784 (LINK_SPEC): Use them.
4785 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4787 2006-10-29 Richard Guenther <rguenther@suse.de>
4789 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4790 (ix86_expand_rounddf_32): Likewise.
4791 * config/i386/i386.c (ix86_expand_round): New function expanding
4792 round inline for SSE math and -fno-trapping-math and if not
4793 optimizing for size.
4794 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4795 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4796 round via ix86_expand_round.
4798 2006-10-29 Richard Guenther <rguenther@suse.de>
4800 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4801 (ix86_expand_floorceildf_32): Likewise.
4802 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4803 static helper function.
4804 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4806 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4807 * config/i386/i386.md (floordf2): Adjust to enable floor
4808 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4809 -fno-trapping-math is enabled and if not optimizing for size.
4810 (floorsf2, ceildf2, ceilsf2): Likewise.
4811 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4812 (sse2_maskcmpdf3): Likewise.
4814 2006-10-29 Richard Guenther <rguenther@suse.de>
4816 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4817 rint in case -fno-trapping-math is enabled.
4818 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4819 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4820 (ix86_expand_sse_fabs): Likewise.
4821 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4822 * config/i386/i386.md (rintdf2): Enable for SSE math if
4823 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4824 (rintsf2): Likewise.
4826 2006-10-29 Richard Guenther <rguenther@suse.de>
4828 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4829 to conversion optabs.
4830 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4831 as conversion optab.
4832 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4833 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4834 (lfloor_optab, lceil_optab): Adjust defines.
4835 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4836 lfloor and lceil optabs now being conversion optabs.
4837 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4838 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4839 New static helper function.
4840 (ix86_expand_lfloorceil): New function to expand lfloor and
4842 * config/i386/i386.md (lfloor<mode>2): Split into ...
4843 (lfloorxf<mode>2): ... x87 variant
4844 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4845 using ix86_expand_lfloorceil.
4846 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4848 * doc/md.texi (lfloorMN, lceilMN): Document.
4850 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4852 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4853 -mno-shared assembler option on mips targets.
4854 * configure, config.in: Regenerate.
4855 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4856 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4857 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4859 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4861 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4862 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4864 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4866 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4867 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4870 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4873 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4874 (fold_builtin_pow): Evaluate constant arguments at compile-time
4876 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4877 (do_mpfr_ckconv): New helper function.
4878 (do_mpfr_arg1): Use do_mpfr_ckconv.
4879 (do_mpfr_arg2): New.
4881 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4884 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4885 (-fdump-rtl-sched): Rename to ..
4886 (-fdump-rtl-sched1): here. Also fix file extension number.
4888 2006-10-28 Richard Guenther <rguenther@suse.de>
4890 * fold-const.c (maybe_canonicalize_comparison): Fix code
4893 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4895 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4896 (NON_QI_REG_P): Use IN_RANGE.
4897 (REX_INT_REGNO_P): Use IN_RANGE.
4898 (FP_REGNO_P): Use IN_RANGE.
4899 (SSE_REGNO_P): Use IN_RANGE.
4900 (REX_SSE_REGNO_P): Use IN_RANGE.
4901 (MMX_REGNO_P): Use IN_RANGE.
4902 (STACK_REGNO_P): New macro.
4903 (STACK_REG_P): Use STACK_REGNO_P.
4904 (NON_STACK_REG_P): Use STACK_REGNO_P.
4905 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4906 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4907 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4908 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4909 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4911 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4913 * except.h (output_function_exception_table): Add 'const char*' param.
4914 * except.c (switch_to_exception_section): Add 'const char*' param.
4915 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4916 and flag_function_sections is set, use a function-specific section.
4917 (output_function_exception_table): Add 'const char*' param.
4918 Adjust call to switch_to_exception_section.
4919 * final.c (rest_of_handle_final): Adjust calls to
4920 output_function_exception_table.
4921 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4922 * config.in: Regenerate.
4923 * configure: Likewise.
4925 2006-10-28 Richard Guenther <rguenther@suse.de>
4928 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4929 for maybe_canonicalize_comparison.
4930 (maybe_canonicalize_comparison): New function for canonicalizing
4932 (fold_comparison): Call it to canonicalize comparisons with
4935 2006-10-28 Richard Guenther <rguenther@suse.de>
4938 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4939 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4940 (expand_builtin): Adjust likewise.
4941 * genopinit.c (optabs[]): Add lround optab.
4942 * optabs.c (init_optabs): Initialize lround_optab.
4943 * optabs.h (enum convert_optab_index): Add COI_lround.
4944 (lround_optab): Define.
4945 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4946 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4948 (ix86_expand_lround): New function.
4949 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4951 * doc/md.texi (lroundMN2): Document.
4953 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4956 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4957 argument to HOST_WIDE_INT. Update function prototype.
4958 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4959 "size" argument to HOST_WIDE_INT. Update function prototype.
4961 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4963 * config/i386/i386.c (output_387_ffreep): Create output from a
4964 template string for !HAVE_AS_IX86_FFREEP.
4966 2006-10-27 Eric Christopher <echristo@apple.com>
4968 * config/darwin.c: Fix formatting and grammar.
4970 2006-10-27 Jan Hubicka <jh@suse.cz>
4972 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4973 to be thrown away soon when IGNORE is set.
4974 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4975 indicating when return value shall not be computed.
4976 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4978 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4980 * config/i386/i386.h (TARGET_GEODE):
4981 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4982 (TARGET_CPU_DEFAULT_geode): New macro.
4983 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4984 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4985 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4986 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4987 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4989 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4990 (processor_type): Add PROCESSOR_GEODE.
4992 * config/i386/i386.md: Include geode.md.
4995 * config/i386/i386.c (geode_cost): New initialized global
4997 (m_GEODE, m_K6_GEODE): New macros.
4998 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4999 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5000 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5001 x86_schedule): Use m_K6_GEODE instead of m_K6.
5002 (x86_movx, x86_cmove): Set up m_GEODE.
5003 (x86_integer_DFmode_moves): Clear m_GEODE.
5004 (processor_target_table): Add entry for geode.
5005 (processor_alias_table): Ditto.
5007 * config/i386/geode.md: New file.
5009 * doc/invoke.texi: Add entry about geode processor.
5011 2006-10-27 Mike Stump <mrs@apple.com>
5013 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5014 __DYNAMIC__ from here back to ...
5015 * config/darwin.h (CPP_SPEC): ... here.
5017 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5018 Nathan Sidwell <nathan@codesourcery.com>
5020 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5021 when choosing the minimum heapsize.
5023 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5025 * gcc/unwind-dw2.h: Move cfa-related variables into
5026 struct frame_state_reg_info to ensure that the CFA is properly
5027 handled when executing DW_CFA_{remember,restore}_state.
5028 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5029 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5030 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5031 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5032 gcc/config/rs6000/linux-unwind.h,
5033 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5034 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5035 Modify to use new cfa_* fields.
5037 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5039 * config/s390/s390.c (s390_init_frame_layout): Check positive
5042 2006-10-26 Ben Elliston <bje@au.ibm.com>
5044 * gimplify.c (get_name): Remove extraneous break.
5045 (gimplify_omp_for): Initialise ret with GS_OK.
5047 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5049 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5050 Add unix98.o to link line.
5052 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5055 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5056 Calculate compile-time constants using MPFR.
5057 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5058 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5060 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5062 * config/xtensa/lib2funcs.S: Use C-style comments.
5064 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5066 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5067 (file_table_relative_p): Likewise.
5068 (dwarf2out_finish): Likewise.
5069 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5071 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5073 * tree-ssa-structalias.c (intra_create_variable_infos):
5074 Don't recreate nonlocal_all if it already exists.
5076 2006-10-25 Richard Guenther <rguenther@suse.de>
5079 * optabs.h (enum optab_index): Remove OTI_lrint.
5080 (enum convert_optab_index): Add COI_lrint.
5081 (lrint_optab): Adjust.
5082 (expand_sfix_optab): Declare.
5083 * optabs.c (expand_sfix_optab): New function.
5084 (init_optabs): Init lrint_optab as conversion optab.
5085 * genopinit.c (lrint_optab): Change to a conversion optab.
5086 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5087 expansion via conversion optab.
5088 * config/i386/i386.md (*fistdi2_1): Remove
5089 flag_unsafe_math_optimizations guard.
5090 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5091 fist<mode>2_with_temp): Likewise.
5092 (lrint<mode>2): Split into...
5093 (lrintxf<mode>2): ... x87 part
5094 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5095 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5096 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5097 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5098 * doc/md.texi (lrintMN2): Document.
5100 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5103 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5104 Use inc and dec instructions for TARGET_USE_INCDEC.
5105 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5106 ("sync_double_compare_and_swap<mode>"): Likewise.
5107 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5108 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5109 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5110 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5111 ("sync_old_add<mode>"): Likewise.
5112 ("sync_lock_test_and_set<mode>"): Likewise.
5113 ("sync_lock_test_and_set<mode>"): Likewise.
5114 ("sync_add<mode>"): Likewise.
5115 ("sync_sub<mode>"): Likewise.
5116 ("sync_ior<mode>"): Likewise.
5117 ("sync_and<mode>"): Likewise.
5118 ("sync_xor<mode>"): Likewise.
5120 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5122 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5123 (remainder_optab): Define corresponding macro.
5124 (drem_optab): Remove.
5125 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5126 drem_optab initialization.
5127 * genopinit.c (optabs): Implement remainder_optab using
5128 remainder?f3 patterns. Remove drem_optab.
5129 * builtins.c (expand_builtin_mathfn_2): Handle
5130 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5131 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5132 expand_builtin_mathfn_2.
5134 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5135 depend on flag_unsafe_math_optimizations.
5137 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5138 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5139 Do not depend on flag_unsafe_math_optimizations. Use
5140 truncxf?f expander instead of truncxf?f_i387_noop.
5142 ("fpremxf4", "fprem1xf4"): Do not depend on
5143 flag_unsafe_math_optimizations.
5144 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5145 flag_unsafe_math_optimizations. Use truncxf?f expander
5146 instead of truncxf?f_i387_noop.
5148 * doc/md.texi (fmod, remainder): Document standard named pattern.
5150 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5151 David Daney <ddaney@avtrex.com>
5154 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5156 2006-10-25 Ben Elliston <bje@au.ibm.com>
5158 * doc/extend.texi (Variable Attributes): Typo fix.
5160 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5162 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5163 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5164 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5165 (FRAME_POINTER_REGNUM): Update register number to 21.
5166 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5167 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5169 * config/i386/i386.c (regclass_map): Add fpcr entry.
5170 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5172 (print_reg): Assert REGNO (x) != FPCR_REG.
5174 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5175 (DIRFLAG_REG): Renumber.
5176 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5177 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5178 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5179 hardcoded SSE register numbers.
5181 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5182 hardcoded MMX register numbers.
5184 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5187 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5188 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5190 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5191 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5192 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5193 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5195 2006-10-24 Richard Guenther <rguenther@suse.de>
5198 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5199 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5200 for deciding optimizations in consistency with fold-const.c
5201 (fold_builtin_unordered_cmp): Likewise.
5203 2006-10-24 Richard Guenther <rguenther@suse.de>
5205 * builtins.c (fold_builtin_floor): Fold floor (x) where
5206 x is nonnegative to trunc (x).
5207 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5208 nonnegative to FIX_TRUNC_EXPR.
5210 2006-10-24 Richard Guenther <rguenther@suse.de>
5212 PR tree-optimization/29567
5213 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5214 for TRUTH_NOT_EXPR. Clarify comments.
5216 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5219 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5220 at compile-time using MPFR. Change parameter VALUE to FUNC,
5222 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5223 for overflow and underflow at all times and avoid folding in
5226 2006-10-24 Ben Elliston <bje@au.ibm.com>
5228 * reload1.c: Formatting fixes.
5230 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5232 PR tree-optimization/14784
5233 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5234 * tree-ssa-structalias.c (get_constraint_for,
5235 intra_create_variable_infos): Set is_heapvar.
5236 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5237 non-heapvar pointer variables specially.
5239 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5242 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5243 fold_builtin_tan): Fold all constant arguments. Take a "type"
5244 argument as necessary.
5245 (do_mpfr_arg1): New.
5246 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5248 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5250 * config/xtensa/lib1funcs.asm: Use C-style comments.
5252 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5254 * tree.c (local_define_builtin): Replace calls to
5255 lang_hooks.builtin_function with add_builtin_function.
5256 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5258 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5260 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5261 common code to add_builtin_function.
5262 * langhooks.c (add_builtin_function): New function.
5263 (lhd_builtin_function): New function.
5264 * langhooks.h (struct lang_hooks): Change the signature of
5266 (add_builtin_function): New function.
5267 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5268 calls to lang_hooks.builtin_function with add_builtin_function.
5269 * c-common.c (decl_builtin_1): Replace calls to
5270 lang_hooks.builtin_function with add_builtin_function.
5271 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5272 lang_hooks.builtin_function with add_builtin_function.
5273 * config/frv/frv.c (def_builtin): Replace calls to
5274 lang_hooks.builtin_function with add_builtin_function.
5275 * config/s390/s390.c (s390_init_builtins): Replace calls to
5276 lang_hooks.builtin_function with add_builtin_function.
5277 * config/sparc/sparc.c (def_builtin): Replace calls to
5278 lang_hooks.builtin_function with add_builtin_function.
5279 * config/i386/i386.c (def_builtin): Replace calls to
5280 lang_hooks.builtin_function with add_builtin_function.
5281 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5282 lang_hooks.builtin_function with add_builtin_function.
5283 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5284 lang_hooks.builtin_function with add_builtin_function.
5285 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5286 Replace calls to lang_hooks.builtin_function with
5287 add_builtin_function.
5288 * config/iq2000/iq2000.c (def_builtin):
5289 Replace calls to lang_hooks.builtin_function with
5290 add_builtin_function.
5291 * config/ia64/ia64.c (def_builtin): Replace calls to
5292 lang_hooks.builtin_function with add_builtin_function.
5293 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5294 lang_hooks.builtin_function with add_builtin_function.
5295 (altivec_init_builtins): Replace calls to
5296 lang_hooks.builtin_function with add_builtin_function.
5297 * config/arm/arm.c (def_mbuiltin): Replace calls to
5298 lang_hooks.builtin_function with add_builtin_function.
5299 (arm_init_tls_builtins): Replace calls to
5300 lang_hooks.builtin_function with add_builtin_function.
5301 * config/mips/mips.c (mips_init_builtins): Replace calls to
5302 lang_hooks.builtin_function with add_builtin_function.
5303 * config/bfin/bfin.c (def_builtin): Replace calls to
5304 lang_hooks.builtin_function with add_builtin_function.
5305 * langhooks-def.h (lhd_builtin_function): New function.
5306 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5308 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5310 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5311 BUILT_IN_STRNCAT_CHK.
5313 2006-10-23 Jan Hubicka <jh@suse.cz>
5315 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5316 don't do conversion from memmove to memcpy here.
5317 (expand_builtin_bcopy, expand_builtin): Update call of
5318 expand_builtin_memmove.
5319 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5321 2006-10-23 Paul Brook <paul@codesourcery.com>
5323 * stor-layout.c (start_record_layout): maximum_field_alignment
5324 overrides STRUCTURE_SIZE_BOUNDARY.
5326 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5328 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5329 nonlocal function symbols if flag_pic.
5331 2006-10-23 Richard Guenther <rguenther@suse.de>
5335 * builtins.c (fold_binary): Remove checks for flag_wrapv
5336 and flag_trapv where negate_expr_p covers these cases.
5338 2006-10-23 Richard Guenther <rguenther@suse.de>
5341 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5342 of two on the absolute value.
5343 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5344 and negating -C does not overflow.
5346 2006-10-23 Richard Guenther <rguenther@suse.de>
5349 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5350 only if not flag_rounding_math.
5352 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5353 Kaz Kojima <kkojima@gcc.gnu.org>
5356 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5357 SImode memory reference for the source of a movua.
5358 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5359 (movua): Use an unspec instead of sign_extract. Expect the source
5360 to have mode BLKmode.
5361 (extv, insv): Use a BLKmode rather than SImode memory reference
5362 for the source of a movua.
5364 2006-10-22 Jeff Law <law@redhat.com>
5365 Richard Guenther <rguenther@suse.de>
5367 PR tree-optimization/15911
5368 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5369 (register_edge_assert_for_1): Likewise.
5370 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5371 (find_conditional_asserts): Adjust for new function signature.
5372 (find_assert_locations): Likewise.
5374 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5376 * config/i386/tmmintrin.h: Remove the duplicated content.
5378 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5380 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5381 (x86_64-*-*): Likewise.
5383 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5384 (override_options): Check SSSE3.
5385 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5386 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5387 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5388 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5389 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5390 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5391 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5392 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5393 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5394 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5395 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5396 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5397 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5398 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5399 IX86_BUILTIN_PABSD128.
5400 (bdesc_2arg): Add SSSE3.
5401 (bdesc_1arg): Likewise.
5402 (ix86_init_mmx_sse_builtins): Support SSSE3.
5403 (ix86_expand_builtin): Likewise.
5404 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5406 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5407 (UNSPEC_PSIGN): Likewise.
5408 (UNSPEC_PALIGNR): Likewise.
5409 Include mmx.md before sse.md.
5411 * config/i386/i386.opt: Add -mssse3.
5413 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5414 (ssse3_phaddwv4hi3): Likewise.
5415 (ssse3_phadddv4si3): Likewise.
5416 (ssse3_phadddv2si3): Likewise.
5417 (ssse3_phaddswv8hi3): Likewise.
5418 (ssse3_phaddswv4hi3): Likewise.
5419 (ssse3_phsubwv8hi3): Likewise.
5420 (ssse3_phsubwv4hi3): Likewise.
5421 (ssse3_phsubdv4si3): Likewise.
5422 (ssse3_phsubdv2si3): Likewise.
5423 (ssse3_phsubswv8hi3): Likewise.
5424 (ssse3_phsubswv4hi3): Likewise.
5425 (ssse3_pmaddubswv8hi3): Likewise.
5426 (ssse3_pmaddubswv4hi3): Likewise.
5427 (ssse3_pmulhrswv8hi3): Likewise.
5428 (ssse3_pmulhrswv4hi3): Likewise.
5429 (ssse3_pshufbv16qi3): Likewise.
5430 (ssse3_pshufbv8qi3): Likewise.
5431 (ssse3_psign<mode>3): Likewise.
5432 (ssse3_psign<mode>3): Likewise.
5433 (ssse3_palignrti): Likewise.
5434 (ssse3_palignrdi): Likewise.
5435 (abs<mode>2): Likewise.
5436 (abs<mode>2): Likewise.
5438 * config/i386/tmmintrin.h: New file.
5440 * doc/extend.texi: Document SSSE3 built-in functions.
5442 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5444 2006-10-22 Ira Rosen <irar@il.ibm.com>
5446 * tree-vect-transform.c (vectorizable_load): Use the type of the
5447 return value of the mask_for_load builtin to create realign_load
5450 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5452 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5455 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5457 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5458 (UNSPEC_LDDQU): This.
5459 * config/i386/sse.md (sse3_lddqu): Updated.
5461 2006-10-21 Richard Guenther <rguenther@suse.de>
5463 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5464 (expand_builtin): Use it to expand lrint instead of
5465 expand_builtin_mathfn.
5467 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5470 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5471 flag_unsafe_math_optimizations is set.
5473 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5476 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5477 patterns to use memory input operand in x87->mem->XMM
5478 reload sequences. Skip transformation for TARGET_K8.
5480 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5482 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5483 force operand1 to register if both operands are memory operands.
5484 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5485 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5486 if both operands are memory operands.
5487 (truncdfsf2): Do not force operand1 to register if both operands
5488 are memory operands.
5490 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5492 * Makefile.in (LIBS): Add $(GMPLIBS).
5493 * doc/install.texi: Update GMP and MPFR requirements.
5494 * doc/sourcebuild.texi (need_gmp): Delete.
5496 2006-10-21 Richard Guenther <rguenther@suse.de>
5498 PR tree-optimization/3511
5499 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5500 got new invariant arguments during PHI translation.
5502 2006-10-21 Richard Guenther <rguenther@suse.de>
5505 * fold-const.c (fold_comparison): Fold signed comparisons
5506 of the form X +- C1 CMP Y +- C2.
5508 2006-10-21 Richard Guenther <rguenther@suse.de>
5511 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5512 if flag_unsafe_math_optimizations is specified. We have
5513 flag_finite_math_only for that.
5514 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5515 or flag_unsafe_math_optimizations.
5517 2006-10-21 Richard Guenther <rguenther@suse.de>
5519 * builtins.c (fold_builtin_classify): Fix typo.
5521 2006-10-21 Richard Guenther <rguenther@suse.de>
5524 * simplify-rtx.c (simplify_const_relational_operation):
5525 Do not constant-fold ORDERED and UNORDERED for
5526 flag_unsafe_math_optimizations but only we do not need to
5527 honor NaNs for the given mode.
5529 2006-10-21 Richard Guenther <rguenther@suse.de>
5532 * config/i386/i386.c (classify_argument): Remove redundant
5533 walking of the BINFOs.
5534 (contains_128bit_aligned_vector_p): Likewise.
5536 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5538 * BASE-VER: Set to 4.3.0.
5540 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5542 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5543 (tree_decl_with_vis): Remove artificial_pta_var flag.
5544 * tree-flow.h (referenced_var_check_and_insert): Expose.
5545 (nonlocal_all): New prototype.
5546 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5547 (nonlocal_all): Make global.
5548 (nonlocal_lookup): Remove.
5549 (nonlocal_insert): Ditto.
5550 (create_nonlocal_var): Do not call nonlocal_insert.
5551 (get_nonlocal_id_for_type): Remove.
5552 (find_global_initializers): Mark new vars we find for renaming.
5553 (intra_create_variable_infos): Only create one nonlocal.
5554 (expand_nonlocal_solutions): Remove.
5555 (compute_points_to_sets): Don't call it.
5556 (ipa_pta_execute): Ditto.
5557 (init_alias_heapvars): Don't create nonlocal_for_type.
5558 (delete_alias_heapvars): Don't remove it.
5559 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5562 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5564 * doc/install.texi (Downloading GCC): Clarify mention of
5565 Fortran in the "full distribution" description.
5567 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5569 Fix PR tree-optimization/28778
5570 Fix PR tree-optimization/29156
5571 Fix PR tree-optimization/29415
5572 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5573 (tree_decl_with_vis): Add artificial_pta_var flag.
5574 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5575 pushed into callers.
5576 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5577 (nonlocal_all): Ditto.
5578 (struct variable_info): Add directly_dereferenced member.
5579 (var_escaped_vars): New variable.
5580 (escaped_vars_tree): Ditto.
5581 (escaped_vars_id): Ditto.
5582 (nonlocal_vars_id): Ditto.
5583 (new_var_info): Set directly_dereferenced.
5584 (graph_size): New variable
5585 (build_constraint_graph): Use graph_size.
5586 (solve_graph): Don't process constraints that cannot change the
5587 solution, don't try to propagate an empty solution to our
5589 (process_constraint): Set directly_dereferenced.
5590 (could_have_pointers): New function.
5591 (get_constraint_for_component_ref): Don't process STRING_CST.
5592 (nonlocal_lookup): New function.
5593 (nonlocal_insert): Ditto.
5594 (create_nonlocal_var): Ditto.
5595 (get_nonlocal_id_for_type): Ditto.
5596 (get_constraint_for): Allow results vector to be empty in the case
5597 of string constants.
5598 Handle results of calls properly.
5599 (update_alias_info): Update alias info stats on number and type of
5601 (find_func_aliases): Use could_have_pointers.
5602 (make_constraint_from_escaped): Renamed from
5603 make_constraint_to_anything, and changed to make constraints from
5605 (make_constraint_to_escaped): New function.
5606 (find_global_initializers): Ditto.
5607 (create_variable_info_for): Make constraint from escaped to any
5608 global variable, and from any global variable to the set of
5610 (intra_create_variable_infos): Deal with escaped instead of
5611 pointing to anything.
5612 (set_uids_in_ptset): Do type pruning on directly dereferenced
5614 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5615 (init_base_vars): Fix comment, and initialize escaped_vars.
5616 (need_to_solve): Removed.
5617 (find_escape_constraints): New function.
5618 (expand_nonlocal_solutions): Ditto.
5619 (compute_points_to_sets): Call find_escape_constraints and
5620 expand_nonlocal_solutions.
5621 (delete_points_to_sets): Don't fall off the end of the graph.
5622 (init_alias_heapvars): Initialize nonlocal_for_type and
5624 (delete_alias_heapvars): Free nonlocal_for_type and null out
5627 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5629 * fold-const.c (add_double): Rename to add_double_with_sign.
5630 Add 'unsigned_p' parameter and take it into account for the overflow.
5631 (mul_double): Rename to mul_double_with_sign.
5632 Add 'unsigned_p' parameter and take it into account for the overflow.
5633 (fold_div_compare): Call add_double_with_sign instead of add_double
5634 and mul_double_with_sign instead of mul_double, passing them the
5635 unsignedness of the type.
5636 * tree.h (add_double): Macroize.
5637 (add_double_with_sign): New prototype.
5638 (mul_double): Macroize.
5639 (mul_double_with_sign): New prototype.
5641 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5643 * config/score/crti.asm: New file.
5644 * config/score/crtn.asm: New file.
5645 * config/score/elf.h: New file.
5646 * config/score/mac.md: New file.
5647 * config/score/misc.md: New file.
5648 * config/score/mul-div.S: New file.
5649 * config/score/predicates.md: New file.
5650 * config/score/score7.md: New file.
5651 * config/score/score.c: New file.
5652 * config/score/score-conv.h: New file.
5653 * config/score/score.h: New file.
5654 * config/score/score.md: New file.
5655 * config/score/score-mdaux.c: New file.
5656 * config/score/score-mdaux.h: New file.
5657 * config/score/score-modes.def: New file.
5658 * config/score/score.opt: New file.
5659 * config/score/score-protos.h: New file.
5660 * config/score/score-version.h: New file.
5661 * config/score/t-score-elf: New file.
5662 * config.gcc: Add score*-*-* configurations(Update before).
5663 * doc/invoke.texi (Score Options): New section.
5664 * doc/md.texi (Score family): New section to document constraints.
5666 2006-10-19 Nick Clifton <nickc@redhat.com>
5668 * config/arm/arm.c: Fix spelling typo.
5670 2006-10-18 Tom Tromey <tromey@redhat.com>
5672 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5674 2006-10-18 Jan Hubicka <jh@suse.cz>
5677 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5680 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5682 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5683 TSI_SAME_STMT, since that's the desired entity.
5685 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5687 * config/s390/contraints.md: New file.
5688 * config/s390/s390-protos.h (s390_mem_constraint,
5689 s390_O_constraint_str, s390_N_constraint_str,
5690 s390_float_const_zero_p): Function prototypes added.
5691 * config/s390/s390.c (s390_extra_constraint_str,
5692 s390_const_double_ok_for_constraint_p,
5693 s390_const_ok_for_constraint_p): Functions removed.
5694 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5695 s390_float_const_zero_p): New functions.
5696 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5697 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5698 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5699 Macro definitions removed.
5700 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5701 s390_extra_constraint_str): Functions removed.
5703 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5704 Richard Sandiford <richard@codesourcery.com>
5707 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5708 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5710 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5712 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5713 (DWARF2_FRAME_REG_OUT): Likewise.
5714 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5715 (DWARF2_FRAME_REG_OUT): Likewise.
5717 2006-10-17 Paul Brook <paul@codesourcery.com>
5719 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5721 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5723 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5724 Standardize on "GNU Fortran" as the official name of the Fortran
5727 2006-10-16 Mike Stump <mrs@apple.com>
5729 * doc/invoke.texi (Darwin Options): Document -mkernel.
5730 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5732 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5733 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5734 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5735 (OS_MISSING_ALTIVEC): Add.
5736 * config/i386/i386.c (override_options): Add
5737 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5738 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5739 -mkernel, -static or -mdynamic-no-pic is given.
5740 (C_COMMON_OVERRIDE_OPTIONS): Add.
5741 * config/darwin.opt (fapple-kext): Add.
5743 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5744 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5746 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5747 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5748 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5749 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5750 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5751 (flag_mkernel): Add.
5752 (flag_apple_kext): Add.
5753 (TARGET_KEXTABI): Add.
5754 * config/darwin.c (darwin_handle_kext_attribute): Add.
5755 (DARWIN_VTABLE_P): Add.
5756 (darwin_binds_local_p): Add partial support for rebinding vtables
5758 (darwin_kextabi_p): Add.
5759 (darwin_override_options): Add.
5760 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5761 (darwin_kextabi_p): Add.
5762 (darwin_override_options): Add.
5763 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5764 __DYNAMIC__ and __STATIC__ here.
5766 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5768 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5769 Added mention of "make pdf" target, and Texinfo requirements for
5772 2006-10-16 DJ Delorie <dj@redhat.com>
5774 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5775 into the GOT in case we need a subreg of the address.
5777 2006-10-16 Richard Guenther <rguenther@suse.de>
5780 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5781 SSE builtin documentation. Document SSE2 builtins.
5783 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5785 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5786 symbol in the output file for non-shared links when -nostdlib or
5787 -nodefaultlibs isn't specified.
5789 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5790 posix thread support.
5792 2006-10-15 Jan Hubicka <jh@suse.cz>
5795 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5796 declared always_inline even when not inlining.
5798 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5799 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5800 Andrew Pinski <pinskia@gmail.com>
5803 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5805 2006-10-15 Jan Hubicka <jh@suse.cz>
5806 Richard Guenther <rguenther@suse.de>
5809 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5810 process_function_and_variable_attributes on all variables, including
5811 those discovered during cgraph construction phase.
5813 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5815 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5817 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5819 * config/i386/athlon.md (athlon_fist): Add fisttp.
5821 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5822 Ian Lance Taylor <ian@airs.com>
5825 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5826 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5829 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5831 * config/score/score.c, config/score/score.h: Fix comment
5834 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5837 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5840 2006-10-13 Eric Christopher <echristo@apple.com>
5842 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5844 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5847 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5848 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5849 alignment supported by 32-bit ELF.
5851 2006-10-13 Eric Christopher <echristo@apple.com>
5853 * config/darwin.c (darwin_emit_unwind_label): Strip
5854 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5856 2006-10-13 Richard Guenther <rguenther@suse.de>
5858 PR tree-optimization/29446
5859 * tree-vrp.c (fix_equivalence_set): Remove.
5860 (extract_range_from_assert): Do not call fix_equivalence_set.
5861 (debug_value_range): Print a newline.
5862 (compare_name_with_value): For equivalence sets with
5863 inconsistent value ranges conservatively bail out.
5864 (compare_names): Likewise.
5866 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5868 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5869 and MPFR for gfortran.
5871 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5873 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5874 alignment supported by 32-bit ELF.
5876 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5880 * c-typeck.c (digest_init): Always allow initializing vectors
5881 that have static storage duration with compound literals.
5882 * tree.c (build_type_attribute_qual_variant): New, based on
5883 build_type_attribute_variant.
5884 (build_type_attribute_variant): Rewrite using the former.
5885 (make_vector_type): Use build_type_attribute_qual_variant to build
5886 type variants. Use type_hash_canon on the others.
5888 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5889 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5891 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5893 2006-10-12 Jan Hubicka <jh@suse.cz>
5896 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5897 current_function_decl is set but current_function_scope is not.
5899 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5901 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5902 emit_insn to emit eh_return_internal instruction.
5903 (eh_return_internal): Explicitly set pc.
5905 2006-10-11 Richard Guenther <rguenther@suse.de>
5907 PR tree-optimization/28230
5908 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5909 to the correct place.
5911 2006-10-11 Richard Guenther <rguenther@suse.de>
5914 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5917 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5919 * configure.ac: Added pdf to "Make-hooks"
5920 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5921 targets and *.pdf file patterns in cleanup targets.
5922 * configure: Regenerated.
5924 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5926 * config/avr/predicates.md: New file.
5927 * config/avr/avr.md: Include it.
5928 (REG_SP): New constant.
5929 (peepholes): Use predicates.
5930 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5931 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5932 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5934 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5936 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5939 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5942 * builtins.c (var_decl_component_p): New function.
5943 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5944 single entry optimization to variables and components thereof.
5946 2006-10-10 Richard Guenther <rguenther@suse.de>
5948 PR rtl-optimization/29323
5949 * except.c (set_nothrow_function_flags): For functions
5950 that do not bind local bail out early.
5952 2006-10-10 Ben Elliston <bje@au.ibm.com>
5954 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5957 2006-10-09 Richard Henderson <rth@redhat.com>
5959 Revert emutls patch.
5961 2006-10-09 Richard Guenther <rguenther@suse.de>
5964 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5967 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5970 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5971 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5972 * configure: Regenerate.
5973 * config.in: Regenerate.
5975 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5977 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5979 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5981 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5982 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5983 Remove stray newline.
5985 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5987 * config/mips/mips.c (mips_classify_symbol): Do not return
5988 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5989 (mips_in_small_data_p): Tweak comments.
5991 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5993 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5995 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5997 * gimplify.c, sched-int.h: Fix comment typos.
5999 * sched-int.h: Fix comment typos.
6001 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6003 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6005 * sched-ebb.c (begin_schedule_ready): Use them.
6006 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6007 add_to_speculative_block, create_check_block_twin, speculate_insn,
6008 fix_jump_move, move_block_after_check): Ditto.
6009 * sched-rgn.c (new_ready): Ditto.
6011 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6013 PR rtl-optimization/29128
6014 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6015 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6016 allow interblock movement of speculation checks.
6018 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6021 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6022 casted to integer type.
6023 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6024 if they are significantly more expensive than [reg + index] ones.
6026 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6028 PR tree-optimization/29330
6029 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6030 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6031 on newly allocated ddrs.
6032 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6033 to VEC (loop_p, heap) pointer.
6034 (compute_data_dependences_for_loop): Adjust caller.
6035 (free_dependence_relations): Free DDR_LOOP_NEST.
6037 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6038 free DEPENDENCE_RELATIONS and DATAREFS.
6041 * builtins.c (expand_builtin_sync_operation,
6042 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6043 Use convert_to_mode to handle promoted arguments.
6045 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6047 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6049 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6051 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6053 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6055 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6056 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6057 Use <modeconstraint> instead of "r" as operand 1 constraint.
6059 2006-10-06 Olivier Hainque <hainque@adacore.com>
6061 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6062 Don't recurse on the pointed-to type.
6063 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6064 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6065 types with components of variable size.
6067 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6069 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6071 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6073 PR tree-optimization/29290
6074 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6078 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6079 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6082 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6083 the number of vector elements fill the rest with zeros.
6085 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6087 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6088 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6091 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6093 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6094 unnamed pattern into subsi3. Use correct constraints/predicates.
6095 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6096 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6098 2006-10-05 Ira Rosen <irar@il.ibm.com>
6100 * doc/loop.texi: Add data references analysis description.
6102 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6104 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6106 2006-10-04 Richard Henderson <rth@redhat.com>
6107 Jakub Jelinek <jakub@redhat.com>
6109 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6110 * builtin-types.def (BT_WORD): Make unsigned.
6111 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6112 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6113 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6114 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6115 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6116 * cgraph.c (decide_is_variable_needed): Look at force_output.
6117 Recurse for emulated tls.
6118 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6119 checks redundant with decide_is_variable_needed.
6120 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6121 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6123 * expr.c (emutls_var_address): New.
6124 (expand_expr_real_1): Expand emulated tls.
6125 (expand_expr_addr_expr_1): Likewise.
6126 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6127 * output.h (emutls_finish): Declare.
6128 * toplev.c (compile_file): Call it.
6129 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6130 address before wrapping in CONST.
6131 * varasm.c (emutls_htab, emutls_object_type): New.
6132 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6133 (get_emutls_object_name, get_emutls_object_type): New.
6134 (get_emutls_init_templ_addr, emutls_decl): New.
6135 (emutls_common_1, emutls_finish): New.
6136 (assemble_variable): When emulating tls, swap decls; generate
6137 constructor for the emutls objects.
6138 (do_assemble_alias): When emulating tls, swap decl and target name.
6139 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6141 * emutls.c: New file.
6142 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6143 tls_object for real tls.
6145 2006-10-04 Zack Weinberg <zackw@panix.com>
6147 Fix bug in constraint-check generator, reported by Rask Ingemann
6149 * genpreds.c (add_constraint): Don't remove anything from the
6151 (write_tm_constrs_h): Detect whether "op" argument is used, and
6152 mark it ARG_UNUSED if it isn't.
6153 (write_insn_const_int_ok_for_constraint): Skip the part of the
6154 expression that would test whether "op" (which is not available
6155 here) is a CONST_INT.
6157 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6160 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6162 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6164 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6165 current Leopard versions.
6166 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6168 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6170 * doc/install.texi: Fix typos.
6172 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6174 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6175 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6176 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6178 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6180 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6181 arg to be struct mach_header_64* instead.
6183 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6186 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6187 side effects after the outer expression's post side effects.
6189 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6191 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6192 comments to reflect actual behavior and relationship between
6193 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6195 * doc/c-tree.texi (Working with declarations): Fix documentation
6196 of FIELD_DECL likewise.
6198 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6201 * doc/extend.texi: Add used variable attribute description.
6203 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6206 * c.opt (Woverride-init): New.
6207 * c-opts.c (c_common_post_options): Default warn_override_init to
6209 * c-typeck.c (add_pending_init, output_init_element): Warn for
6210 overriding initializers without side effects.
6211 * doc/invoke.texi (-Woverride-init): Document.
6214 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6216 PR rtl-optimization/28096
6217 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6218 assignment has already been used as a destination earlier in the block.
6220 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6222 * builtins.c (expand_builtin_setjmp): Delete.
6223 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6224 <BUILT_IN_SETJMP_SETUP>: New case.
6225 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6226 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6227 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6228 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6229 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6230 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6231 (lower_function_body): Initialize it to false. If it is set to true
6232 at the end of the processing, emit the setjmp dispatcher.
6233 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6234 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6235 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6236 on the rhs of the assignment.
6237 (lower_builtin_setjmp): New function.
6238 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6239 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6240 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6241 to detect calls that can go to non-local labels. Use specific
6242 helper to create the abnormal edges associated with them.
6243 <MODIFY_EXPR>: Likewise.
6244 (make_abnormal_goto_edges): New function extracted from...
6245 (make_goto_expr_edges): ...here. Call it for computed gotos.
6246 (simple_goto_p): Minor tweak.
6247 (tree_can_make_abnormal_goto): New predicate.
6248 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6249 (tree_purge_dead_abnormal_call_edges): New function.
6250 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6251 (tree_purge_dead_abnormal_call_edges): Likewise.
6252 (make_abnormal_goto_edges): Likewise.
6253 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6254 Purge all dead abnormal edges if the call was in the last statement.
6255 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6256 (execute_fixup_cfg): If there are non-local labels in the function,
6257 scan the basic blocks and split them at calls that can go to non-local
6258 labels or add missing abnormal call edges. Write down the CFG in the
6260 (pass_fixup_cfg): Remove TODO_dump_func flag.
6261 * unwind-sjlj.c: Poison setjmp.
6262 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6263 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6264 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6265 (DONT_USE_BUILTIN_SETJMP): Document it.
6267 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6270 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6271 to 1 when __ppc64__ is defined.
6272 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6274 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6276 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6278 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6279 * config/ia64/unwind-hpux.c: Delete.
6281 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6283 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6284 on the element before gimplifying it, instead of punting if it is of
6287 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6289 * doc/loop.texi: New file.
6290 * doc/gccint.texi: Reference loop.texi.
6291 * Makefile.in (loop.texi): Add.
6293 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6295 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6297 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6298 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6300 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6302 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6304 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6306 * doc/install.texi: Document required versions of GMP and MPFR.
6308 2006-09-27 Paul Brook <paul@codesourcery.com>
6311 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6313 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6315 * reload1.c (alter_reg): Require the alignment of the stack slot to
6316 be at least reg_max_ref_width bytes.
6317 (scan_paradoxical_subregs): Record the largest width in
6320 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6324 * tree-nested.c (struct nesting_info): Added static_chain_added.
6325 (convert_call_expr): Set static_chain_added when adding static
6326 chain. Handle OMP_PARALLEL and OMP_SECTION.
6328 2006-09-25 Matthias Klose <doko@debian.org>
6330 * doc/invoke.texi: Add missing full stop.
6332 2006-09-25 Richard Henderson <rth@redhat.com>
6334 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6335 before cgraph_function_flags_ready.
6337 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6338 Adam Nemet <anemet@caviumnetworks.com>
6340 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6341 determine_common_wider_type): New functions.
6342 (get_computation_aff): Use them to simplify arithmetic between
6343 UBASE and CBASE if they are shortened from the same type.
6345 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6348 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6349 -2147483647 - 1 instead of 0x80000000.
6351 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6353 * flags.h (HONOR_NANS): Fix typo in comment.
6355 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6357 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6359 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6363 * tree.c (merge_attributes, attribute_list_contained): If both
6364 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6366 * c-typeck.c (comptypes_internal): Don't consider aggregates
6367 in different TUs as compatible if there one set of attributes is
6368 not a subset of the other type's attributes.
6369 (composite_type): Try harder not to create a new aggregate type.
6371 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6373 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6374 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6375 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6376 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6377 than replicating condition above.
6378 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6380 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6381 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6382 the linker by default.
6384 2006-09-22 Mike Stump <mrs@apple.com>
6386 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6389 2006-09-22 Richard Guenther <rguenther@suse.de>
6392 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6393 sort of stack variables stable.
6395 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6398 * explow.c (force_reg): Set REG_POINTER flag according to
6401 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6403 PR tree-optimization/28888
6404 * tree-if-conv.c (combine_blocks): Rewritten.
6405 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6406 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6408 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6410 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6413 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6415 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6417 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6419 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6421 2006-09-21 Roger Sayle <roger@eyesopen.com>
6424 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6425 dw_fde_current_label, to be the start of the function, i.e. the same
6426 value as dw_fde_begin.
6428 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6430 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6431 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6432 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6433 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6434 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6435 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6436 (abs<mode>2, neg<mode>2): Likewise.
6437 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6438 (*mips_abs_ps): New define_insn.
6440 2006-09-20 Josh Conner <jconner@apple.com>
6443 * calls.c (expand_call): Allow reuse of structure return stack
6446 2006-09-20 Paul Brook <paul@codesourcery.com>
6448 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6451 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6453 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6454 clean up terminology.
6456 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6459 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6460 with tablejumps in them.
6462 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6465 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6466 wrap it into TARGET_EXPR.
6468 2006-09-20 Eric Christopher <echristo@apple.com>
6470 * config/i386/i386.c (x86_fisttp): Remove.
6471 * config/i386/i386.h (x86_fisttp): Ditto.
6472 (TARGET_FISTTP): Ditto.
6474 2006-09-19 Eric Christopher <echristo@apple.com>
6476 * doc/tm.texi (OBJC_JBLEN): Describe.
6477 * config/i386/darwin.h (OBJC_JBLEN): Define.
6478 * config/rs6000/darwin.h: Ditto.
6480 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6482 PR rtl-optimization/21299
6483 * reload1.c (reload): Purge invalid ASMs in the final pass.
6485 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6488 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6489 pointers as legitimate constants.
6491 2006-09-19 Paul Brook <paul@codesourcery.com>
6494 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6496 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6498 PR tree-optimization/28887
6499 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6500 component parts from the reference.
6501 (gather_memory_references_ref): Record the reference without the
6502 nonaddressable component parts.
6504 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6507 * c-opts.c (c_common_handle_option): Ignore the -std options
6508 if the input language is assembly.
6510 2006-09-17 Ira Rosen <irar@il.ibm.com>
6513 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6515 (ptr_ptr_may_alias_p): Likewise.
6516 (record_record_differ_p): New function.
6517 (base_object_differ_p): Call record_record_differ_p.
6519 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6522 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6523 away for the expr argument.
6525 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6528 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6529 before using it for dumping after vectorizing loops.
6531 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6532 Jack Howarth <howarth@bromo.med.uc.edu>
6535 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6536 skip on error_mark_node.
6537 (rs6000_darwin64_record_arg_recurse): Likewise.
6539 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6541 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6542 * doc/rtl.texi: Remove related documentation.
6544 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6546 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6549 2006-09-15 Jim Wilson <wilson@specifix.com>
6551 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6552 Handle symbol offsets same as they are handled in ia64_expand_move
6555 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6557 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6558 Add forgotten parameter to the fprintf call.
6560 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6562 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6564 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6566 * doc/contrib.texi: Add my entry.
6568 2006-09-15 Nick Clifton <nickc@redhat.com>
6570 * doc/md.texi (Processor pipeline description): Fix typo in
6571 example of how to use the absence_set directive and reword the
6572 description to make it slightly easier to read.
6574 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6576 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6577 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6578 expanding the number of iterations.
6579 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6581 * cfgrtl.c (emit_insn_at_entry): New function.
6582 * rtl.h (emit_insn_at_entry): Declare it.
6583 * integrate.c (emit_initial_value_sets): Use it.
6585 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6587 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6589 (struct loop_work and related VEC declarations): Delete.
6590 (bfin_dump_loops): Print out new member bad.
6591 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6592 (bfin_scan_loop): Don't recurse.
6593 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6594 loops. No longer need to update outer loops if the current one is
6595 found bad. Move some validitiy checks to bfin_discover_loop.
6596 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6597 but changed not to check for nesting. Also changed to use the new bad
6599 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6600 time. Use bitmap based test to discover loop nesting.
6602 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6604 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6607 2006-09-14 Richard Guenther <rguenther@suse.de>
6608 Kazu Hirata <kazu@codesourcery.com>
6610 PR middle-end/28884.
6611 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6612 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6613 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6614 with TARGET_FUNCTION_VALUE.
6616 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6619 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6621 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6623 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6626 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6629 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6632 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6634 * basic_block.h (bb_has_eh_pred): Fix comment.
6636 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6638 * flow.c (calculate_global_regs_live): Invalidate eh registers
6639 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6640 (propagate_block): Handle eh registers as if they were set at basic
6642 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6644 * global.c (global_conflicts): Make eh registers to conflict with
6645 pseudos live at basic block begin.
6646 * basic_block.h (bb_has_eh_pred): New function.
6648 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6650 PR rtl-optimization/28982
6651 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6652 index of a PRE_MODIFY or POST_MODIFY address.
6653 * reload1.c (inc_for_reload): Use find_replacement on the original
6654 base and index registers.
6656 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6658 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6659 for -Os. Update __m128 alignment requirement.
6661 2006-09-13 Jan Hubicka <jh@suse.cz>
6663 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6665 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6667 PR rtl-optimization/28243
6668 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6669 the insn to which the note was originally attached.
6671 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6672 Roger Sayle <roger@eyesopen.com>
6674 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6675 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6676 on platforms that don't use dwarf for debug info.
6678 2006-09-12 Jason Merrill <jason@redhat.com>
6681 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6682 hard_frame_pointer_rtx after using it to update the frame pointer.
6684 2006-09-12 Roger Sayle <roger@eyesopen.com>
6686 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6687 (TARGET_ASM_CLOSE_PAREN): Likewise.
6688 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6689 (TARGET_ASM_CLOSE_PAREN): Likewise.
6691 2006-09-12 Roger Sayle <roger@eyesopen.com>
6694 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6695 frame information for frames larger than 512 Kbytes on Tru64 when
6696 using the native assembler.
6698 2006-09-12 Roger Sayle <roger@eyesopen.com>
6702 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6703 and symbols. Instead use the implementation from cse.c's hash_rtx.
6705 2006-09-12 Jan Hubicka <jh@suse.cz>
6707 PR rtl-optimization/28071
6708 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6709 (vect_transform_loop): Likewise.
6710 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6711 (new_loop_vec_info): Likewise.
6712 (destroy_loop_vec_info): Likewise.
6713 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6714 (create_stmt_ann): Likewise.
6715 (create_tree_ann): Rename to ...
6716 (create_tree_common_ann): ... this one; allocate only the common part
6718 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6719 (get_value_handle): Likewise.
6720 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6721 get_tree_common_ann.
6722 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6723 (vinfo_for_stmt): Use stmt annotations.
6724 * tree-flow.h (tree_ann_common_t): New type.
6725 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6726 (tree_ann, get_tree_ann, create_tree_ann): New.
6727 * tree-flow-inline.h (get_function_ann): Do more type checking.
6728 (stmt_ann): Likewise.
6729 (tree_ann): Rename to ...
6730 (tree_common_ann): ... this one; return ony common_ann
6731 (get_tree_ann): Rename to ...
6732 (tree_common_ann): This one; return only common_ann.
6733 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6736 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6738 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6739 with_cpu by default.
6741 * dwarf2out.c (dwarf_file_data): New.
6742 (enum dw_val_class): Add dw_val_class_file.
6743 (struct dw_val_struct): Add val_file.
6744 (file_table): Change to a hash table.
6745 (file_table_emitted): Delete.
6746 (file_table_last_lookup_index): Delete.
6747 (emitcount): Delete.
6748 (last_emitted_file): New.
6749 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6750 (init_file_table): Delete.
6751 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6752 (AT_addr): Add comment.
6756 (print_die): Handle dw_val_class_file.
6757 (print_dwarf_line_table): Update for new file table structure.
6758 (attr_checksum): Do checksum a filename.
6759 (same_dw_val_p, same_attr_p): Do compare a filename.
6760 (size_of_die): Handle dw_val_class_file.
6761 (value_format): Likewise.
6762 (output_die): Likewise. Also, call maybe_emit_file here.
6763 (struct file_info): Constify filenames. Make file_idx a pointer
6764 to a struct dwarf_file_data.
6765 (struct dir_info): Constify directory names. Remove 'used' field.
6766 (struct file_name_acquire_data): New.
6767 (file_name_acquire): New.
6768 (output_file_names): Modify to handle new file data structures.
6769 (add_src_coords_attributes): Use add_AT_file.
6770 (add_call_src_coords_attributes): Likewise.
6771 (dwarf2out_imported_module_or_decl): Likewise.
6772 (gen_subprogram_die): Modify for new file data structures.
6773 (gen_variable_die): Likewise.
6774 (file_table_eq): New.
6775 (file_table_hash): New.
6776 (file_table_last_lookup): New.
6777 (lookup_filename): Rewrite to handle new file data structures.
6778 (maybe_emit_file): Rewrite to handle new file data structures.
6779 (dwarf2out_source_line): Always call lookup_filename and
6781 (dwarf2out_init): Create file_table here.
6782 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6783 (file_table_relative_p): New.
6784 (dwarf2out_finish): Change detection of relative filenames
6785 to work with new file data structures. Move output_line_info call
6786 after debug_info output.
6788 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6793 * config/i386/i386.c (override_options): Always default to 16
6794 byte stack boundary.
6796 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6799 * var-tracking.c (dump_dataflow_set): Start dumping at
6801 (clobber_variable_part): Kill only the variable part in
6802 registers holding it, leaving other variables alone.
6804 2006-09-11 Josh Triplett <josh@freedesktop.org>
6806 * doc/extend.texi (Other Builtins): Actually use the macro
6807 argument in the documentation example for
6808 __builtin_types_compatible_p.
6810 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6812 PR rtl-optimization/28726
6813 * sched-deps.c (sched_analyze_reg): New function extracted from...
6814 (sched_analyze_1): ...here. Call it to analyze references to
6815 registers. Treat again writes to a stack register as writing to the
6817 (sched_analyze_2): ...and here. Call it to analyze references to
6818 registers. Treat again reads of a stack register as reading the
6821 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6822 David Edelsohn <edelsohn@gnu.org>
6825 * config/rs6000/spe.md (frob_df_di): Remove %H.
6826 (frob_di_df): Remove %H. Change evmergelo to mr.
6827 (frob_di_df_2): Remove %H. Change evldd to two loads.
6829 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6831 * doc/cpp.texi: Fix names of charset options.
6833 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6836 * config/i386/i386.c (override_options): Use 128-bit
6837 stack boundary always for 64bits.
6839 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6841 PR rtl-optimization/28636
6842 * combine.c (force_to_mode): Test for side-effects before
6843 substituting by zero.
6844 (simplify_shift_const): Likewise for zero or other constants.
6846 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6849 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6852 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6855 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6856 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6857 returned by mode_for_size, rather than the mode of src itself,
6858 to choose between 32-bit and 64-bit patterns.
6859 (mips_mem_fits_mode_p): New function.
6860 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6861 that the size of the source matches the size of the destination.
6862 (mov_<store>l, mov_<store>r): Likewise.
6864 2006-09-10 Eric Christopher <echristo@apple.com>
6866 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6869 2006-09-09 Eric Christopher <echristo@apple.com>
6872 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6875 2006-09-09 Roger Sayle <roger@eyesopen.com>
6876 Nicolas Setton <setton@adacore.com>
6878 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6880 2006-09-10 Andreas Schwab <schwab@suse.de>
6882 * config/m68k/m68k.md (bungt_rev): New pattern.
6884 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6885 Dale Johannesen <dalej@apple.com>
6888 * regclass.c (struct reg_pref): Update documentation.
6889 (regclass): Set prefclass to NO_REGS if memory is the best option.
6890 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6892 2006-09-08 Eric Christopher <echristo@apple.com>
6894 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6895 * config/t-slibgcc-darwin: Support x86_64 multilib.
6896 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6897 Return 1 for x86_64-darwin.
6898 * config/i386/t-darwin: Add m64 multilib.
6899 (LIB2_SIDITI_CONV_FUNCS): Use.
6900 (LIB2FUNCS_EXTRA): Ditto.
6901 * config/i386/darwin.h: Support x86_64.
6902 * config/i386/i386.c (override_options): Turn on flag_pic
6903 for x86_64-darwin. Disable flag_omit_pointer.
6904 (get_pc_thunk_name): Assert !TARGET_64BIT.
6905 (legitimate_address_p): Disable machopic addressing for
6907 (legitimize_pic_address): Ditto.
6908 (ix86_expand_move): Ditto.
6909 (ix86_expand_call): Ditto.
6910 (machopic_output_stub): Ditto.
6911 * config/darwin.c (machopic_select_section): Support literal16.
6912 (machopic_select_rtx_section): Ditto.
6913 * config/darwin-sections.def: Ditto.
6914 * config/darwin-64.c: New.
6916 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6919 * c-tree.h (struct c_arg_info): Add pending_sizes.
6920 * c-parser.c (c_parser_parms_declarator,
6921 c_parser_parms_list_declarator): Initialize pending_sizes.
6922 * c-decl.c (get_parm_info): Initialize pending_sizes.
6923 (get_parm_info): Set pending_sizes.
6924 (grokdeclarator): Call put_pending_sizes for parameters for
6925 function definition only.
6927 2006-09-07 Jason Merrill <jason@redhat.com>
6930 * varasm.c (output_constant): Only strip actual no-op conversions.
6933 * config/i386/i386.c (override_options): Use 128-bit
6934 stack boundary if -msse.
6936 2006-09-07 Eric Christopher <echristo@apple.com>
6938 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6940 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6943 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6945 * dwarf2out.c: Remove strange characters from comment above
6946 dwarf2out_frame_debug_expr.
6948 2006-09-07 Eric Christopher <echristo@apple.com>
6950 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6951 * config/darwin.h: ... to here.
6953 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6955 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6957 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6958 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6960 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6961 TARGET_PARTIAL_FLAG_REG_STALL.
6962 (*ashldi3_cconly_rex64): Likewise.
6963 (*ashlsi3_cmp): Likewise.
6964 (*ashlsi3_cconly): Likewise.
6965 (*ashlsi3_cmp_zext): Likewise.
6966 (*ashlhi3_cmp): Likewise.
6967 (*ashlhi3_cconly): Likewise.
6968 (*ashlqi3_cmp): Likewise.
6969 (*ashlqi3_cconly): Likewise.
6970 (*ashrdi3_cmp_rex64): Likewise.
6971 (*ashrdi3_cconly_rex64): Likewise.
6972 (*ashrsi3_cmp): Likewise.
6973 (*ashrsi3_cconly): Likewise.
6974 (*ashrsi3_cmp_zext): Likewise.
6975 (*ashrhi3_cmp): Likewise.
6976 (*ashrhi3_cconly): Likewise.
6977 (*ashrqi3_cmp): Likewise.
6978 (*ashrqi3_cconly): Likewise.
6979 (*lshrdi3_cmp_rex64): Likewise.
6980 (*lshrdi3_cconly_rex64): Likewise.
6981 (*lshrsi3_cmp): Likewise.
6982 (*lshrsi3_cconly): Likewise.
6983 (*lshrsi3_cmp_zext): Likewise.
6984 (*lshrhi3_cmp): Likewise.
6985 (*lshrhi3_cconly): Likewise.
6986 (*lshrqi2_cmp): Likewise.
6987 (*lshrqi2_cconly): Likewise.
6989 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6992 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6993 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6994 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6995 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6996 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6997 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6998 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6999 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7000 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7001 implement only CC setting effects of shift instructions.
7003 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7005 * doc/contrib.texi: Add myself.
7007 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7010 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7011 was set by the user.
7013 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7016 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7017 (divsi_inv_m1): Use them.
7018 (UNSPEC_DIV_INV_TABLE): New constant.
7020 2006-09-06 James E Wilson <wilson@specifix.com>
7023 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7024 then call count_or_remove_death_notes.
7026 2006-09-06 Jason Merrill <jason@redhat.com>
7029 * tree-inline.c (copy_result_decl_to_var): New fn.
7030 (declare_return_variable): Use it. Call declare_inline_vars here.
7031 (expand_call_inline): Not here.
7033 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7035 * doc/contrib.texi: Update my entry.
7037 2006-09-06 Nick Clifton <nickc@redhat.com>
7039 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7041 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7044 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7045 (canonicalize_induction_variables): Likewise.
7046 (tree_unroll_loops_completely): Likewise.
7047 (tree_ssa_prefetch_arrays): Likewise.
7048 (remove_empty_loops): Likewise.
7049 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7050 TODO_cleanup_cfg instead of directly calling
7051 cleanup_tree_cfg_loop.
7052 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7054 (tree_unroll_loops_completely): Likewise.
7055 (remove_empty_loops): Likewise.
7056 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7057 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7058 of tree_ssa_unswitch_loops.
7059 (tree_ssa_loop_ivcanon): Use the return value of
7060 canonicalize_induction_variables.
7061 (tree_ssa_empty_loop): Use the return value of
7063 (tree_complete_unroll): Use the return value of
7064 tree_unroll_loops_completely.
7065 (tree_ssa_loop_prefetch): Use the return value of
7066 tree_ssa_prefetch_arrays.
7067 * passes.c (execute_todo): Before Cleanup CFG, set
7068 updating_used_alone and after cleanup CFG, call
7069 recalculate_used_alone.
7071 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7074 * tree-vect-transform.c (vectorizable_condition): Move the check
7075 for the type after the check for simple condition.
7077 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7078 Kaz Kojima <kkojima@gcc.gnu.org>
7081 * mode-switching.c (optimize_mode_switching): Make the destination
7082 block of an abnormal edge have no anticipatable mode. Don't
7083 insert mode switching code at the end of the source block of
7086 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7088 PR rtl-optimization/26847
7089 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7090 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7091 (simplify_plus_minus): Count n_constants while filling ops. Replace
7092 qsort with insertion sort. Before going through the array to simplify
7093 pairs, sort it. Delay early exit until after the first sort, exiting
7094 only if no swaps occurred. Simplify pairs in reversed order, without
7095 special-casing the first iteration. Pack ops after simplifying pairs.
7097 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7099 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7100 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7101 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7102 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7104 2006-09-05 Richard Guenther <rguenther@suse.de>
7106 PR tree-optimization/28900
7107 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7108 compound conditional before creating COND_EXPR condition.
7110 2006-09-05 Richard Guenther <rguenther@suse.de>
7112 PR tree-optimization/28905
7113 * tree-vrp.c (fix_equivalence_set): Manually implement
7114 !value_ranges_intersect_p to also handle symbolic ranges.
7116 2006-09-05 Richard Guenther <rguenther@suse.de>
7119 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7122 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7124 PR rtl-optimization/27616
7125 * cse.c (table_size): New static variable.
7126 (new_basic_block): Initialize it to 0.
7127 (remove_from_table): Decrement it.
7128 (insert): Increment it.
7129 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7130 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7131 fold_rtx_mem_1 if under the cap.
7132 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7133 the lookup of the equivalent expression and test for equality of the
7134 first operand of the equivalent expression before in turn looking up
7135 an equivalent constant for the second operand.
7137 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7140 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7141 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7142 pointer, instead of assuming it is possible to derive the
7143 correct args size from a call insn.
7145 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7148 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7149 (fold_builtin_mempcpy): Rename to...
7150 (fold_builtin_memory_op): ... this. Optimize one element copy
7152 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7154 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7155 (expand_builtin_memcpy, expand_builtin_mempcpy,
7156 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7157 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7158 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7159 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7161 2006-09-01 DJ Delorie <dj@redhat.com>
7163 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7164 (stzx_16): Likewise.
7165 ("stzx_24_<mode>"): Likewise.
7166 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7167 ("cmp<mode>_op"): New.
7168 (cmp<mode>): Change to expander; just save operands.
7170 (b<code>): Change to expander, emit compare here.
7171 (s<code>_op): Change to use split and expander.
7172 (s<code>_24_op): Likewise.
7173 (s<code>_<mode>): New.
7174 (s<code>_<mode>_24): New.
7175 (movqicc_<code>_<mode): New.
7176 (movhicc_<code>_<mode>): New.
7179 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7180 (m32c_pend_compare): New.
7181 (m32c_unpend_compare): New.
7182 (m32c_expand_scc): New.
7183 (m32c_expand_movcc): Emit the compare also.
7184 * config/m32c/predicates.md (mra_nopp_operand): New.
7186 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7187 Richard Guenther <rguenther@suse.de>
7188 Adam Nemet <anemet@caviumnetworks.com>
7191 * builtins.c (get_pointer_alignment): Handle more forms
7192 of base addresses that can be used to derive more precise
7193 information about alignment.
7195 2006-09-01 Jason Merrill <jason@redhat.com>
7198 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7201 * gimplify.c (voidify_wrapper_expr): Handle null type.
7203 2006-09-01 Josh Conner <jconner@apple.com>
7206 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7207 (execute_return_slot_opt): Use it.
7209 2006-08-31 Josh Conner <jconner@apple.com>
7212 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7213 returning aggregates.
7215 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7217 PR tree-optimization/28839
7218 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7219 blocks in that phi arguments appear.
7221 2006-08-31 Roger Sayle <roger@eyesopen.com>
7224 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7225 NULL, otherwise use an advance_loc4 to adjust relative to the
7227 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7228 (dwarf2out_switch_text_section): Reset the current label to avoid
7229 using advance_loc4 over section boundaries.
7231 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7234 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7235 r12 + SYMBOLIC_CONST.
7237 2006-08-30 Richard Guenther <rguenther@suse.de>
7239 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7241 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7243 PR rtl-optimization/27735
7244 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7245 Add new argument to keep track of whether an irreducible region
7246 was affected. All callers changed.
7247 (fix_irreducible_loops): Removed.
7248 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7249 flags were invalidated.
7251 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7253 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7254 instead of SF operands.
7255 (*fop_df_comm_sse): Likewise.
7256 (*fop_df_comm_i387): Likewise.
7257 (*fop_df_1_mixed): Likewise.
7258 (*fop_df_1_sse): Likewise.
7260 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7261 J"orn Rennecke <joern.rennecke@st.com>
7263 PR tree-optimization/17506
7264 * tree-ssa.c (warn_uninit): If warning about a location outside of
7265 the current function, note where the variable was declared.
7267 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7269 PR tree-optimization/28411
7270 * double-int.c (double_int_div): Use double_int_divmod.
7271 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7272 double_int_mod, double_int_smod, double_int_umod): New functions.
7273 * double-int.h (double_int_divmod, double_int_sdivmod,
7274 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7276 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7278 (get_computation_aff, get_computation_cost_at): Handle double_int
7279 return type of constant_multiple_of.
7281 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7284 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7285 an implicit conversion.
7287 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7289 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7291 2006-08-27 Roger Sayle <roger@eyesopen.com>
7293 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7296 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7298 * config/i386/crtfastmath.c: Fix a comment typo.
7300 2006-08-26 Roger Sayle <roger@eyesopen.com>
7302 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7303 temporary visit flags on CASE_LABEL_EXPRs.
7304 * c-common.c (match_case_to_enum): Add function comment. Avoid
7305 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7306 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7307 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7308 a constant, only warn if that constant value isn't handled.
7310 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7313 * input.h (restore_input_file_stack): Declare.
7314 (INPUT_FILE_STACK_BITS): Define.
7315 * toplev.c (fs_p, input_file_stack_history,
7316 input_file_stack_restored, restore_input_file_stack): New.
7317 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7318 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7319 (pop_srcloc): Don't free old state of stack.
7321 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7324 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7325 (PowerPC Type Attributes): New.
7327 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7329 * config/xtensa/xtensa.c (function_arg_boundary): New.
7330 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7332 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7333 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7335 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7338 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7341 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7343 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7344 (verify_local_live_at_start): Likewise.
7346 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7349 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7350 omp_add_variable): Treat sizes as variable whenever not
7353 2006-08-26 Richard Guenther <rguenther@suse.de>
7356 * fold-const.c (fold_binary): Fold temporary to correct
7357 type before constructing new comparison.
7359 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7362 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7363 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7365 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7368 * c-decl.c (start_function): Don't try to process prototype
7369 information from old declaration that isn't a function.
7371 2006-08-25 Jan Hubicka <jh@suse.cz>
7374 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7376 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7379 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7382 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7384 PR tree-optimization/16876
7385 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7386 exit if PARM doesn't match VALUE.
7388 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7390 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7391 literal_prefix directive.
7392 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7393 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7394 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7396 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7399 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7400 predicate to general_operand. Add 0->y and I->r alternatives.
7402 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7404 * doc/tm.texi: Fix a typo.
7405 * predict.c: Fix comment typos.
7407 2006-08-25 Nick Clifton <nickc@redhat.com>
7409 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7410 assertions of "cpu" and "machine".
7412 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7415 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7416 the access through a base which has an alias set of 0 cannot
7419 2006-08-24 Bill Wendling <wendling@apple.com>
7421 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7423 2006-08-24 Jan Hubicka <jh@suse.cz>
7425 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7427 2006-08-24 Jan Hubicka <jh@suse.cz>
7430 * cgraph.c: Fix comments.
7431 (cgraph_varpool_mark_needed_node): Mark only variables not already
7433 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7434 (cgraph_varpool_assembled_nodes_queue): New static variable.
7435 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7436 (cgraph_varpool_output_debug_info): New function.
7437 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7438 * Makefile.in: Add gt-cgraphunit.h
7440 2006-08-24 Jan Hubicka <jh@suse.cz>
7442 * predict.c (probability_reliable_p): New predicate.
7443 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7444 (predict_loops): Do not predict loop exit with less than 2%
7446 * basic-block.h (edge_probability_reliable_p,
7447 br_prob_note_reliable_p): Declare.
7448 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7449 prediction when static predictor is not reliable.
7450 * rs6000.c (output_cbranch): Likewise.
7452 2006-08-23 Stuart Hastings <stuart@apple.com>
7455 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7456 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7458 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7461 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7462 complex values, nor for generic vector values.
7464 2006-08-22 Richard Guenther <rguenther@suse.de>
7467 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7468 parameter. Convert arguments to arithmetic expression to the
7470 (analyze_scalar_evolution_1): Adjust caller.
7472 2006-08-22 Jan Hubicka <jh@suse.cz>
7474 Patch by Paolo Bonzini
7475 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7478 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7480 PR tree-optimization/28003
7481 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7482 before grouping aliases.
7484 2006-08-22 Roger Sayle <roger@eyesopen.com>
7486 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7487 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7489 2006-08-21 Jason Merrill <jason@redhat.com>
7492 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7493 wrapper. Loop to handle nested wrappers.
7494 (gimplify_bind_expr): Remove temp parameter.
7495 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7496 and STATEMENT_LIST on the rhs.
7497 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7498 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7499 (gimplify_target_expr): Remove special BIND_EXPR handling.
7501 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7503 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7506 2006-08-21 Olivier Hainque <hainque@adacore.com>
7508 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7509 Arrange for the temporary captures of components overlapping the lhs
7510 to happen before the lhs is possibly cleared.
7512 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7514 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7515 necessary places to pass the correct "number of registers" values
7518 2006-08-20 Jan Hubicka <jh@suse.cz>
7520 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7521 (create_name_tags): Instead of quadratic checking use hashtable.
7522 * bitmap.h: Include hashtab.h.
7523 (bitmap_hash): Declare.
7524 * bitmap.c (bitmap_hash): New function.
7526 2006-08-20 Jan Hubicka <jh@suse.cz>
7528 PR rtl-optimization/28071
7529 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7531 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7532 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7533 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7534 cgraph_decide_inlining_incrementally): Update use of
7535 cgraph_check_inline_limits.
7536 * cgraph.c (edge_hash, edge_eq): New function.
7537 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7538 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7539 cgraph_remove_node): Maintain call site hash.
7540 * cgraph.h (struct cgraph_node): Add call_site_hash.
7541 (cgraph_set_call_stmt): New function.
7543 2006-08-20 Jan Hubicka <jh@suse.cz>
7545 PR rtl-optimization/28071
7546 * reload1.c (reg_has_output_reload): Turn into regset.
7547 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7548 choose_reload_regs, emit_reload_insns): Update to new
7549 reg_has_output_reload.
7551 2006-08-20 Jan Hubicka <jh@suse.cz>
7554 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7555 function body sizes.
7556 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7558 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7561 * tree.c (handle_dll_attribute): Return early if not a
7562 var or function decl.
7564 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7567 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7568 alignment of SPE vector types.
7570 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7572 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7574 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7577 * cgraph.h (struct cgraph_node): Remove externally_visible
7579 * cgraphunit.c (process_function_and_variable_attributes): Set
7580 local.externally_visible rather than externally_visible.
7583 * c-common.c (handle_externally_visible_attribute): First look
7584 at TREE_CODE and only if it is function or var decl, check for
7585 non-public objects. Don't warn for DECL_EXTERNAL.
7586 * cgraphunit.c (process_function_and_variable_attributes): Warn
7587 if externally_visible attribute is used on non-public object.
7589 2006-08-17 Jan Hubicka <jh@suse.cz>
7591 PR tree-optimization/27865
7592 * reload1.c (forget_marked_reloads): New function.
7593 (forget_old_reloads_1): When data are passed, just mark the registers
7595 (reload_as_needed): Use the new mechanizm.
7597 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7600 * reload.h (reg_equiv_alt_mem_list): New declaration.
7601 * reload1.c (reg_equiv_alt_mem_list): New definition.
7602 (reload): Initialize it and release it.
7603 (delete_output_reload): Use it.
7604 * reload.c (push_reg_equiv_alt_mem): New function.
7605 (find_reloads_toplev): Call it.
7606 (find_reloads_address, find_reloads_address_1): Likewise.
7607 (find_reloads_subreg_address): Likewise.
7609 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7611 PR rtl-optimization/28489
7612 * sched-ebb.c (begin_schedule_ready): Create basic block
7614 (advance_target_bb): Skip empty blocks.
7615 * haifa-sched.c (bb_note): Make global.
7616 * sched-int.h (bb_note): Add prototype.
7618 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7620 PR tree-optimization/27865
7621 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7623 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7624 fold_used_pointer, pointer_used_p): New functions.
7625 (analyze_scalar_evolution_1): Use fold_used_pointer.
7626 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7627 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7630 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7633 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7634 or the INTEGER_CST. Fail on a CALL_EXPR.
7635 (fold_offsetof): Pass new argument to fold_offsetof_1.
7636 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7637 operand into an INDIRECT_REF.
7638 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7640 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7642 PR gcov/profile/26570
7643 * value-prof.c (static_values): Removed.
7644 (tree_find_values_to_profile): Do not set static_values.
7645 (find_values_to_profile): Do not free static_values.
7646 * profile.c (instrument_values): Do not free the values.
7647 (branch_prob): Free the values.
7649 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7651 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7653 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7656 * c-typeck.c (build_component_ref): Combine qualifiers of
7657 structure or union and field.
7659 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7661 PR rtl-optimization/28071
7662 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7663 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7664 * tree-into-ssa.c (struct dom_dfsnum): New.
7665 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7667 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7668 compute_global_livein.
7669 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7670 in phi nodes in the correct blocks.
7672 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7674 PR tree-optimization/28364
7675 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7677 (fold_affine_expr): New function.
7678 (may_eliminate_iv): Use fold_affine_expr.
7680 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7683 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7686 2006-08-16 Mike Stump <mrs@apple.com>
7688 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7689 * doc/cppopts.texi (-MD): Likewise.
7691 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7694 * c-common.c (handle_weak_attribute): Ignore and warn if
7695 not a FUNCTION_ or VAR_DECL.
7697 2006-07-15 Mike Stump <mrs@apple.com>
7700 * c-parser.c (c_parser_typeof_specifier): Don't use
7701 c_finish_expr_stmt, open code desired semantics instead.
7703 2006-08-15 Nick Clifton <nickc@redhat.com>
7705 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7706 fragment to tmake_file only if threads are enabled.
7707 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7708 * config/i386/t-gthr-win32: New file. ... here.
7710 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7713 * c-parser.c (c_parser_compound_statement_nostart): Reset
7714 parser->error after each statement.
7716 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7719 * omp-low.c (lower_omp_parallel): Convert t to
7720 receiver_decl's type.
7721 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7722 source before comparison.
7725 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7726 to itype in assignment to oldival2.
7728 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7732 * c-typeck.c (build_compound_expr): If the second expression
7733 is an error mark, then just return an error mark instead of
7734 creating a COMPOUND_EXPR.
7736 2006-07-14 Mike Stump <mrs@apple.com>
7738 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7740 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7742 * c-decl.c, var-tracking.c: Fix comment typos.
7744 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7746 PR rtl-optimization/28634
7747 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7748 for floating-point modes unless flag_unsafe_math_optimizations.
7750 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7751 Andrew Pinski <pinskia@physics.uc.edu>
7754 * tree.c (build_array_type): Unify array types with
7755 unspecified index_type.
7756 * c-decl.c (grokdeclarator): Make sure we do not modify a
7757 unified incomplete array type.
7758 * c-typeck.c (store_init_value): Create distinct type before
7759 filling in the index type in an initializer from a compound
7762 * c-decl.c (grokdeclarator): Remove code where we copy the
7765 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7767 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7768 into account for TODO_dump_cgraph.
7769 (TODO_update_ssa_no_phi): Likewise.
7770 (TODO_update_ssa_full_phi): Likewise.
7771 (TODO_update_ssa_only_virtuals): Likewise.
7772 (TODO_remove_unused_locals): Likewise.
7773 (TODO_set_props): Likewise.
7774 (TODO_update_stmt_usage): Likewise.
7776 2006-08-13 Dirk Mueller <dmueller@suse.de>
7778 * c-common.c (strict_aliasing_warning): Fix formatting.
7780 2006-08-13 Matthias Klose <doko@debian.org>
7782 * doc/invoke.texi: Fix spelling errors.
7784 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7786 PR rtl-optimization/23454
7787 * reorg.c (relax_delay_slots): Update comment.
7789 2006-08-11 Richard Guenther <rguenther@suse.de>
7792 * simplify-rtx.c (simplify_const_relational_operation):
7793 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7796 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7798 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7799 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7801 2006-08-10 Paul Brook <paul@codesourcery.com>
7803 * final.c (final_scan_insn): Clear current_insn_predicate before
7804 outputting inline asm.
7806 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7808 PR tree-optimization/26197
7809 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7810 get_ref_base_and_extent and overlap_subvar to add only relevant
7811 subvars as may-aliases.
7812 (add_may_alias_for_new_tag): New function, factored out of
7814 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7815 with additional argument.
7816 * tree-flow.h (new_type_alias): Takes additional argument.
7818 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7820 * gcov.c (no_data_file): New flag.
7821 (read_count_file): Set it if data file not present. Assume counts
7823 (output_lines): Don't name the data file, if there wasn't one.
7825 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7827 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7828 (rs6000_generate_compare): Tweak comments.
7829 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7831 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7833 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7834 (var_debug_decl): New function.
7835 (var_reg_set): Follow debug decl link. Add location even if
7836 reg is already known to hold some other variable.
7837 (var_mem_set): Follow debug decl link.
7838 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7839 decl link. Delete other known locations of the variable part
7841 (var_reg_delete, var_mem_delete): Delete other known locations
7842 of the variable part if requested.
7843 (same_variable_part_p): New function.
7844 (add_stores): Select MO_COPY when appropriate.
7845 (vt_initialize): Handle it.
7846 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7847 known locations for MO_SET and MO_CLOBBER.
7848 (find_variable_location_part): New function.
7849 (set_variable_part, delete_variable_part): Use it.
7850 (clobber_variable_part): New function.
7851 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7854 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7856 PR tree-optimization/26969
7857 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7858 with an empty list of PHIs.
7860 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7864 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7867 2006-08-06 Andreas Schwab <schwab@suse.de>
7869 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7870 string. Whitespace and comment fixup.
7872 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7875 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7879 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7882 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7884 2006-08-04 Jan Hubicka <jh@suse.cz>
7888 * reload.c (push_reload): Patch out the mismatching instruction;
7890 (find_reload): Bail out if the instruction was patched out.
7892 2006-08-04 Jan Hubicka <jh@suse.cz>
7894 PR tree-optimization/24888
7895 * tree-inline.c (expand_call_inline): Do not re-record variables.
7896 (declare_inline_vars): Add variable to unexpanded_var_list.
7898 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7899 Roger Sayle <roger@eyesopen.com>
7901 PR rtl-optimization/26244
7902 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7903 inner_const are negative or greater than or equal to the bitsize of
7904 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7905 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7906 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7907 CONST0_RTX (mode) when the new shift count is greater than or equal to
7908 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7911 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7913 * tree-cfg.c: Fix a comment typo.
7915 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7918 * varasm.c (output_constant): Give the front end another chance to
7919 expand constants, after stripping NOPs.
7921 2006-08-03 Jan Hubicka <jh@suse.cz>
7923 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7926 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7928 PR tree-optimization/27770
7929 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7930 declaration removed (moved to tree-flow.h).
7931 (vect_can_force_dr_alignment_p): Likewise.
7932 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7933 (moved from tree-vectorizer.h).
7934 (vect_can_force_dr_alignment_p): Likewise.
7935 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7936 from outside the vectorizer - in particular from cgraph stage.
7937 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7938 the alignment of global arrays when -fsection-anchors is enabled.
7939 * cgraphunit.c (cgraph_increase_alignment): New function.
7940 (cgraph_optimize): Call cgraph_increase_alignment.
7942 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7945 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7946 not reload a SPE symbol_ref into a lo_sum address.
7948 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7951 * dwarf2out.c (prune_unused_types_prune): Move call to
7952 prune_unused_types_update_strings to cover the parent DIE also.
7954 2006-08-02 Jan Hubicka <jh@suse.cz>
7956 PR gcov/profile/28480
7957 * tree-cfg.c (change_bb_for_stmt): New function.
7958 (tree_merge_blocks, tree_split_blocks): Use it.
7960 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7966 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7967 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7968 (cgraph_optimize): Likewise.
7970 2006-08-01 Stuart Hastings <stuart@apple.com>
7972 * rtl.h (UINTVAL) New.
7973 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7974 * testsuite/gcc.dg/20060801-1.c: New.
7976 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7979 * c-typeck.c (build_external_type): Mark used enum types.
7980 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7982 (gen_subprogram_die): Whitespace fix.
7984 2006-08-01 Jan Hubicka <jh@suse.cz>
7986 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7987 bitmap when not needed.
7988 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7991 2006-08-01 Dirk Mueller <dmueller@suse.de>
7993 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7995 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7997 * Makefile.in: Revert part of previous patch:
7998 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8001 2006-07-30 Eric Christopher <echristo@apple.com>
8004 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8005 (PowerPC Variable Attributes): New section.
8007 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8009 PR target/28126 (partial fix)
8010 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8012 2006-07-28 Jan Hubicka <jh@suse.cz>
8014 PR rtl-optimization/28071
8015 * cfgrtl.c (rtl_delete_block): Free regsets.
8016 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8018 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8020 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8021 and variables used in dependencies.
8023 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8025 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8026 %fs for -mcmodel=kernel.
8027 (stack_tls_protect_test_di): Likewise.
8029 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8031 * Makefile.in: Use mkinstalldirs.
8033 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8036 * opts-common.c (prune_options): Skip joined switches.
8038 2006-07-27 Jan Hubicka <jh@suse.cz>
8040 PR rtl-optimization/28071
8041 * cselib.c (cselib_process_insn): Don't remove useless values too
8042 often for very large hashtables.
8044 2006-07-27 Jan Hubicka <jh@suse.cz>
8046 PR rtl-optimization/28071
8047 * global.c (greg_obstack): New obstack.
8048 (allocate_bb_info): Use it.
8049 (free_bb_info): Likewise.
8050 (modify_reg_pav): Likewise.
8052 2006-07-27 Roger Sayle <roger@eyesopen.com>
8054 * builtins.c (fold_fixed_mathfn): When long and long long are the
8055 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8056 functions to their lceil*, lfloor*, lround* and lrint* forms.
8058 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8061 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8063 (rev_branch_insn): Likewise.
8065 2006-07-27 Jan Hubicka <jh@suse.cz>
8067 PR rtl-optimization/28071
8068 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8069 (reg_set_in_bb, max_reg_computed): New static variables.
8070 (regmove_optimize): Free the new array.
8071 (fixup_match_1): Update call of reg_is_remote_constant_p.
8073 2006-07-26 Jan Hubicka <jh@suse.cz>
8075 PR tree-optimization/27882
8076 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8078 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8080 (cgraph_analyze_compilation_unit): Likewise.
8081 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8082 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8083 (cgraph_early_inlinine): Make order garbage collected.
8084 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8086 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8088 * dbxout.c (output_types_sort): Add a comment.
8089 (output_used_types): Free the VEC.
8091 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8093 * function.c (reorder_fix_fragments): Delete.
8094 (reorder_blocks): Don't call it.
8095 (reorder_blocks_1): Put all subblocks under the origin block.
8097 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8099 PR rtl-optimization/27907
8100 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8103 2006-07-25 Roger Sayle <roger@eyesopen.com>
8106 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8107 bar(x) check that bar's result type can represent all the values of T.
8109 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8111 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8113 2006-07-25 Nick Clifton <nickc@redhat.com>
8115 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8116 size_lookup[] array.
8117 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8118 (ggc_pch_count_object): Likewise.
8119 (ggc_pch_alloc_object): Likewise.
8120 (ggc_pch_write_object): Likewise.
8121 (init_ggc): Do not attempt to initialize entries in the
8122 size_lookup[] array for objects whose size is greater than than
8123 the length of the array.
8125 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8127 * dbxout.c (output_used_types_helper): Push queued types
8129 (output_types_sort): New.
8130 (output_used_types): Collect used types on a VEC and sort them
8133 2006-07-24 Richard Guenther <rguenther@suse.de>
8136 * cgraph.c (cgraph_remove_node): Do not check if dumps
8138 * cgraphunit.c (cgraph_optimize): Likewise.
8140 2006-07-24 Jan Hubicka <jh@suse.cz>
8142 PR rtl-optimization/28071
8143 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8144 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8145 splitting before first stmt.
8147 2006-07-24 Jan Hubicka <jh@suse.cz>
8149 PR rtl-optimization/28071
8150 * ipa-inline.c (update_caller_keys): Remove edges that
8151 are no longer inline candidates.
8153 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8156 * dbxout.c (output_used_types_helper, output_used_types): New.
8157 (dbxout_symbol): Call output_used_types.
8159 2006-07-23 Jan Hubicka <jh@suse.cz>
8163 * cgraph.c (cgraph_varpool_nodes): Export.
8164 (decide_is_variable_needed): Ignored "used" attribute in
8165 unit-at-a-time mode.
8166 * cgraph.h (cgraph_varpool_nodes): Declare.
8167 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8168 unit-at-a-time mode.
8170 2006-07-23 Roger Sayle <roger@eyesopen.com>
8173 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8174 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8175 the __gthrw form of thr_keycreate.
8176 (__gthread_key_delete): Silence the unused argument warning.
8178 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8181 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8182 Cache the last found '\0' marker to avoid quadratic behavior.
8184 2006-07-23 Jan Hubicka <jh@suse.cz>
8186 * i386.md (subsi_3_zext): Fix output template.
8188 2006-07-21 Mike Stump <mrs@apple.com>
8190 * doc/invoke.texi (C++ Dialect Options): Note that
8191 -fvisibility-inlines-hidden doesn't affect explicitly
8192 instantiationed inline methods.
8194 2006-07-20 Roger Sayle <roger@eyesopen.com>
8196 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8197 if the target assembler is GNU binutils' gas.
8198 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8199 whether to pass GNU gas or native as command line options.
8201 2006-07-20 Jason Merrill <jason@redhat.com>
8203 * tree.c (remove_attribute): New fn.
8204 * tree.h: Declare it.
8206 2006-07-20 Paul Brook <paul@codesourcery.com>
8209 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8210 they are invalidated by this instruction.
8212 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8215 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8217 2006-07-20 Eric Christopher <echristo@apple.com>
8220 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8222 2006-07-19 Eric Christopher <echristo@apple.com>
8224 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8225 Rewrite dependencies for libgcc_s.1.dylib.
8227 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8229 * except.c (duplicate_eh_regions_1): Clear next_peer.
8231 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8233 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8234 -mlongcall does not guarantee all calls will be long.
8235 * doc/extend.texi (long_call/short_call): Document that longcall
8236 does not guarantee a long call will be used.
8237 (longcall/shortcall): Likewise.
8239 2006-07-18 Roger Sayle <roger@eyesopen.com>
8242 * expmed.c (expand_shift): Additionally check that the shift_cost
8243 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8244 before implementing a LSHIFT_EXPR as a sequence of additions.
8245 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8246 middle-end that DImode shifts need to be synthesized by expand.
8248 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8251 * tree-ssa-operands.c (access_can_touch_variable): Update
8253 Return true if ALIAS is .GLOBAL_VAR.
8255 2006-07-18 David Daney <ddaney@avtrex.com>
8257 * gcc.c (display_help): Fix typo in help text.
8259 2006-07-18 Olivier Hainque <hainque@adacore.com>
8261 * tree.h (categorize_ctor_elements): Adjust prototype and add
8262 descriptive comment, both in accordance with the interface change
8264 * varasm.c (constructor_static_from_elts_p): New function.
8265 Whether a constructor node is a valid static constant initializer
8266 if all its elements are.
8267 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8268 * output.h: Declare it.
8269 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8270 is a valid constant initializer instead of computing the number of
8271 non-constant elements. Use constructor_static_from_elts_p for this
8272 purpose. Replace the head comment with an indication that this is a
8273 helper for categorize_ctor_elements.
8274 (categorize_ctor_elements): Same interface change as for the _1
8275 helper. Former head comment from this helper moved here, adjusted to
8276 account for the interface changes.
8277 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8278 (all_zeros_p): Likewise.
8279 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8280 static versions of the constructor from the categorize_ctor_elements
8281 return value instead of the formerly computed number of non-constant
8284 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8286 * configure: Regenerate.
8287 * Makefile.in (build_libsubdir): New configure substitution
8288 (build_libobjdir): New variable.
8289 (BUILD_LIBIBERTY): Use it.
8291 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8294 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8296 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8299 * c-common.c (handle_weakref_attribute): Ignore attribute in
8300 the same conditions the alias attribute is ignored.
8302 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8304 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8305 (dbxout_begin_prologue): Increment scope_labelno.
8307 2006-07-17 Richard Henderson <rth@redhat.com>
8310 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8313 2006-07-17 Roger Sayle <roger@eyesopen.com>
8314 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8316 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8317 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8318 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8319 functions such as sbrk, write, etc.. Add function prototypes.
8320 Convert function declarations from K&R to ISO C. Cast pointers
8321 to "long" and "unsigned long" instead of "int" and "unsigned int".
8322 Convert tokens following #endif into comments.
8324 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8326 * invoke.texi: Remove mention of f77; Reformat table for
8327 inline parameter options correctly; mention that -malign-double
8328 is default on x86-64 targets.
8330 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8332 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8333 (convert_affine_scev, chrec_convert_aggressive): Use
8334 avoid_arithmetics_in_type_p. Do not check for the subtypes
8337 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8340 * optabs.c (expand_doubleword_shift): Wrap the call to
8341 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8343 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8346 * optabs.c (expand_binop): Pass next_methods rather than methods
8347 to expand_doubleword_shift.
8349 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8352 * tree.h (dump_addr): Declare.
8353 * print-tree.c (dump_addr): New function.
8354 (print_node_brief, print_node): Use it.
8355 * print-rtl.c (print_rtx): Likewise.
8356 * common.opt (-fdump-noaddr): New option.
8357 * doc/invoke.texi (-fdump-noaddr): Document.
8358 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8359 (ve_info_hash): Likewise.
8361 2006-07-13 Andrew Haley <aph@redhat.com>
8363 PR tree-optimization/19505
8364 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8365 edge leaving this block, make sure that the destination of this
8366 block has only one predecessor.
8368 2006-07-17 Richard Guenther <rguenther@suse.de>
8370 PR tree-optimization/28238
8371 * tree-inline.c (copy_bb): Check if we produced valid
8372 gimple copying and substituting a stmt. If not, gimplify
8375 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8377 * optabs.c (maybe_encapsulate_block): New function extracted from...
8378 (emit_libcall_block): ...here. Invoke it on the block of insns to
8379 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8380 (emit_no_conflict_block): Likewise.
8382 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8384 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8386 2006-07-15 Roger Sayle <roger@eyesopen.com>
8388 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8389 a new NOP_EXPR case of the switch statement.
8391 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8394 * stor-layout.c (place_field): Take the bit field with
8395 an excessive size into account in the ms-bitfiled case.
8398 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8399 the previous bit field.
8401 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8404 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8406 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8408 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8409 signal frames correctly even when the signal was installed with
8412 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8414 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8415 (dbxout_function_end): Use local label LFBB. Remove hook
8417 (dbxout_source_line): Use local label LFBB.
8418 (dbxout_block): Likewise.
8419 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8420 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8421 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8422 and DBX_OUTPUT_NFUN.
8424 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8426 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8428 2006-07-13 Jan Hubicka <jh@suse.cz>
8430 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8432 * output.h (align_variable): Declare.
8433 * varasm.c (align_variable): Export.
8434 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8435 when basic block changed.
8437 2006-07-13 Nick Clifton <nickc@redhat.com>
8439 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8440 walking the LOG_LINKS chain.
8442 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8444 * doc/invoke.texi (C++ Dialect Options): Explain difference
8445 between -fvisibility-inlines-hidden and setting hidden
8446 visibility explicitly.
8448 2006-07-12 Eric Christopher <echristo@apple.com>
8450 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8451 (stmp-lipo): Depend on libgcc.a.
8453 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8455 * tree.c: Fix a comment typo.
8457 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8459 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8461 (umulhisi3_r): Likewise.
8463 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8466 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8467 x < 19, vs wchar_t support.
8469 2006-07-12 Nick Clifton <nickc@redhat.com>
8471 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8472 instead of -isa=sh4.
8474 2006-07-12 Mike Stump <mrs@apple.com>
8476 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8478 2006-07-10 Eric Christopher <echristo@apple.com>
8480 * config/t-slibgcc-darwin: Rewrite.
8482 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8485 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8488 2006-07-08 Matthias Klose <doko@debian.org>
8490 * doc/sourcebuild.texi: Fix typo.
8492 2006-07-07 Mike Stump <mrs@apple.com>
8494 * toplev.c (process_options): Don't give -ffunction-sections may
8495 affect debugging warning for Mach-O.
8497 2006-07-07 James E Wilson <wilson@specifix.com>
8499 * config/mips/mips.md (cpu): Add sb1a.
8500 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8501 addition to sb1. Adjust comments to clarify SB-1A differences from
8503 (ir_sb1a_load): New. Modify bypasses to use it.
8504 (ir_sb1a_simple_alu): Likewise.
8505 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8506 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8507 (mips_issue_rate): Add PROCESSOR_SB1A.
8508 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8509 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8510 (TARGET_SB1): Add PROCESSOR_SB1A check.
8511 (TUNE_SB1): Likewise.
8513 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8514 * config/mips/mips.c (mips_store_data_bypass_p): New.
8515 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8516 store_data_bypass_p.
8518 2006-07-08 Paul Brook <paul@codesourcery.com>
8521 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8523 2006-07-07 Richard Guenther <rguenther@suse.de>
8526 * tree.h (build_one_cst): Declare.
8527 * tree.c (build_one_cst): New function.
8528 * tree-ssa-math-opts.c (get_constant_one): Remove.
8529 (insert_reciprocals): Use build_one_cst.
8530 * fold-const.c (fold_plusminus_mult): Likewise.
8532 2006-07-07 Roger Sayle <roger@eyesopen.com>
8534 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8535 * cfgloopanal.c (dump_graph): Likewise.
8536 * dojump.c (discard_pending_stack_adjust): Likewise.
8537 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8539 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8540 * function.c (finalize_block_changes): Likewise.
8541 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8542 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8543 * rtl.c (dump_rtx_statistics): Likewise.
8544 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8546 * varray.c (dump_varray_statistics): Likewise.
8547 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8548 decode_decimal64, encode_decimal128, decode_decimal128,
8549 decimal_real_to_decimal): Likewise.
8551 2006-07-07 Richard Guenther <rguenther@suse.de>
8553 PR tree-optimization/28187
8554 * tree-vrp.c (vrp_operand_equal_p): New function.
8555 (vrp_bitmap_equal_p): Likewise.
8556 (update_value_range): Use them to compare old and new
8559 2006-07-06 Roger Sayle <roger@eyesopen.com>
8561 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8562 a default case to switch statement to silence compiler warnings.
8564 2006-07-06 Roger Sayle <roger@eyesopen.com>
8567 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8568 the configured assembler supports the x87's ffreep mnemonic.
8569 * configure: Regenerate.
8570 * config.in: Regenerate.
8572 * config/i386/i386.c (output_387_ffreep): New function.
8573 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8574 (output_387_reg_move): Likewise.
8576 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8578 Port to hosts whose 'sort' and 'tail' implementations
8579 treat operands with leading '+' as file names, as POSIX
8580 has required since 2001. However, make sure the code still
8581 works on pre-POSIX hosts.
8582 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8583 which says you should use "tail -c +N" rather than "tail +Nc".
8584 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8586 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8588 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8591 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8594 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8595 PRE_{INC,DEC} of TFmode.
8597 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8598 Alan Modra <amodra@bigpond.net.au>
8601 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8604 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8607 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8608 Remove duplicate gtu.
8610 2006-07-05 Jason Merrill <jason@redhat.com>
8614 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8615 * c-common.c (handle_packed_attribute): So don't copy it here.
8616 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8618 2006-07-05 Mike Stump <mrs@apple.com>
8620 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8622 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8625 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8627 2006-07-05 Richard Guenther <rguenther@suse.de>
8630 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8631 TARGET_SSE2 targets if using SSE math.
8632 (*absdf2_1): Likewise.
8634 2006-07-05 Richard Guenther <rguenther@suse.de>
8636 PR tree-optimization/28162
8637 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8638 make sure to convert the operands to the correct type.
8640 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8642 PR tree-optimization/28218
8644 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8645 to calculate and free the dominator information.
8647 2006-07-04 Peter O'Gorman <peter@pogma.com>
8649 * mklibgcc.in: chmod 644 before ranlib during install.
8651 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8652 J"orn Rennecke <joern.rennecke@st.com>
8654 * configure.ac (.eh_frame data check): Use diff -b.
8656 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8659 * Makefile.in (BUILD_RTL): Add build/vec.o.
8660 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8661 (build/genextract): Delete.
8662 (build/genautomata): Likewise.
8664 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8667 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8668 128-bit IBM long doubles for ABI_V4.
8670 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8672 * tree.c (range_in_array_bounds_p): New predicate.
8673 * tree.h (range_in_array_bounds_p): Declare it.
8674 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8675 return a less conservative answer.
8676 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8677 and flag 'is_group'.
8678 (IS_ELEMENT_FOR_GROUP): New macro.
8679 (FOR_EACH_ACTUAL_CHILD): Likewise.
8680 (next_child_for_group): New helper function.
8681 (can_completely_scalarize_p): Take into account groups.
8682 (sra_hash_tree): Handle RANGE_EXPR.
8683 (sra_elt_eq): Likewise.
8684 (lookup_element): Be prepared for handling groups.
8685 (is_valid_const_index): Delete.
8686 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8687 instead of is_valid_const_index.
8688 <ARRAY_RANGE_REF>: New case.
8689 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8690 is_valid_const_index.
8691 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8692 (scan_dump): Dump info for groups too.
8693 (decide_instantiation_1): Likewise.
8694 (decide_block_copy): Assert that the element is not a group.
8695 Propagate decision to groups.
8696 (generate_one_element_ref): Handle RANGE_EXPR.
8697 (mark_no_warning): Iterate over actual childs.
8698 (generate_copy_inout): Likewise.
8699 (generate_element_copy): Likewise.
8700 (generate_element_zero): Likewise.
8701 (generate_element_init_1): Likewise.
8702 (dump_sra_elt_name): Handle RANGE_EXPR.
8704 2006-07-03 Roger Sayle <roger@eyesopen.com>
8706 PR tree-optimization/26251
8707 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8708 (thread_block): When optimizing for size refuse to thread jumps
8709 that would require duplication of blocks other than redirection
8712 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8714 * configure.ac: Fix thinko in previous check-in.
8715 * configure: Regenerate.
8717 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8720 * configure.ac (for lang...): Simplify nesting of conditionals.
8721 Test subdir_requires for non-enabled languages. Move processing
8722 of lang_opt_files and lang_tree_fiels below that test.
8723 * configure: Regenerate.
8724 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8726 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8728 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8730 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8732 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8735 2006-06-29 Jason Merrill <jason@redhat.com>
8742 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8743 * c-common.c (c_determine_visibility): Handle it here.
8744 * c-decl.c (finish_decl): Call c_determine_visibility for
8746 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8748 * varasm.c (default_assemble_visibility): Likewise.
8749 * c-common.c (handle_visibility_attribute): Complain about trying
8750 to give visibility to an already defined class, or trying to change
8751 declared visibility. Always attach the attribute.
8756 * attribs.c (decl_attributes): Ignore type-in-place attributes
8757 once the type has been defined.
8759 2006-06-29 Roger Sayle <roger@eyesopen.com>
8762 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8763 to indicate the cpplib has issued an error message for us.
8765 2006-06-29 Asher Langton <langton2@llnl.gov>
8768 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8769 insert a label at the end of an function under Mach-O.
8771 2006-06-29 Eric Christopher <echristo@apple.com>
8772 Evan Cheng <evan.cheng@apple.com>
8774 * predicates.md (vector_all_ones_operand): New.
8775 (nonimmediate_or_sse_const_operand): Ditto.
8776 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8777 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8778 (standard_sse_mode_p): Ditto.
8779 (standard_sse_constant_p): Add case for -1 vector.
8780 (ix86_expand_vector_move): Try to use.
8781 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8782 Call standard_sse_constant_opcode.
8783 (*movv4sf_internal): Ditto.
8784 (*movv2df_internal): Ditto.
8786 2006-06-29 Roger Sayle <roger@eyesopen.com>
8788 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8789 of XEXP to extract the operands of a MATCH_CODE rtx.
8791 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8793 * tree.c (tree_size): Do not waste tail padding in
8794 struct tree_string and make the size be the same as
8795 build_string will generate.
8797 2006-06-28 Jason Merrill <jason@redhat.com>
8800 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8801 may_aliases already in the tag's annotations to the bitmap.
8803 2006-06-28 Roger Sayle <roger@eyesopen.com>
8805 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8807 2006-06-28 Roger Sayle <roger@eyesopen.com>
8809 * genpreds.c (generate_switch_p): New function.
8810 (add_mode_tests): Push the new mode test down inside an AND expr
8811 if this allows the switch-suitable MATCH_CODE to be near the root.
8812 (write_match_code_switch): New function to write a MATCH_CODE as
8814 (write_predicate_stmts): New function to write a predicate RTX
8815 expression as a sequence of statements.
8816 (write_one_predicate_function): Use write_predicate_stmts.
8817 (write_tm_constrs_h): Likewise.
8819 2006-06-26 Fred Fish <fnf@specifix.com>
8821 * config/mips/t-sb1: New file.
8822 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8825 2006-06-26 DJ Delorie <dj@redhat.com>
8827 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8829 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8830 Jayant Sonar <jayants@kpitcummins.com>
8831 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8833 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8834 (subsi3, subsi3_1, subsi3_2): New.
8835 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8836 * config/m32c/mov.md (SI mov peephole): New.
8837 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8838 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8840 2006-06-26 Olivier Hainque <hainque@adacore.com>
8842 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8843 a CALL_EXPR target function declaration.
8845 2006-06-26 Richard Guenther <rguenther@suse.de>
8847 * tree.c (build_string): Do not waste tail padding in
8850 2006-06-26 Richard Guenther <rguenther@suse.de>
8852 * ggc-page.c (init_ggc): Add missing element to size_lookup
8856 2006-06-23 Richard Guenther <rguenther@suse.de>
8858 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8859 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8860 alignment requests instead. Add verification code.
8861 Add struct tree_function_decl and struct tree_binfo size to
8862 extra_order_size_table. Add missing element to size_lookup
8865 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8868 * fold-const.c (const_binop): Be prepared for self returning zero.
8869 Simplify code handling complex values.
8871 2006-06-24 Olivier Hainque <hainque@adacore.com>
8873 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8874 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8877 2006-06-24 Olivier Hainque <hainque@adacore.com>
8879 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8880 ARRAY_REF, so have the callback called for the low bound expression.
8882 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8884 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8885 * c-typeck.c (c_common_type): Disallow operations on decimal float
8886 types and other float types.
8887 * convert.c (convert_to_real): Don't ignore conversions involving
8888 decimal float types.
8890 2006-06-23 Olivier Hainque <hainque@adacore.com>
8892 * tree.c (max_int_size_in_bytes): New function, inspired from
8893 code in function.c:assign_temp.
8894 * tree.h (max_int_size_in_bytes): Declare.
8895 * function.c (assign_temp): Use it.
8896 * gimplify.c (create_tmp_var): Relax the assertions on the type
8897 properties, not mandating constant size any more.
8898 (force_constant_size): New static function.
8899 (gimple_add_tmp_var): Use it, forcing variable size to a
8900 constant upper bound if it is not constant on entry.
8902 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8905 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8906 for initialization and setting of one_only flag to ...
8907 (i386_pe_encode_section_info): ...here.
8908 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8909 Recheck that the symbol has not been defined.
8911 2006-06-23 Richard Guenther <rguenther@suse.de>
8913 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8914 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8915 alignment requests instead. Add verification code.
8916 Add struct tree_function_decl and struct tree_binfo size to
8917 extra_order_size_table. Add missing element to size_lookup
8920 2006-06-22 Roger Sayle <roger@eyesopen.com>
8921 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8924 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8925 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8927 2006-06-23 Ben Elliston <bje@au.ibm.com>
8929 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8930 negate dn -- manipulate it directly.
8932 2006-06-22 Roger Sayle <roger@eyesopen.com>
8933 Steven Bosscher <stevenb.gcc@gmail.com>
8936 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8937 generated by gen_move_insn to add REG_LABEL notes if necessary.
8939 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8941 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8942 (leaf_entry): Remove use of MIN_ESA.
8944 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8946 PR rtl-optimization/28121
8947 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8950 2006-06-21 DJ Delorie <dj@redhat.com>
8952 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8954 (mulhisi3_r): Likewise.
8956 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8959 * coverage.c (coverage_counter_alloc): Leave the index type
8961 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8964 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8966 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8967 section from the "Options for Code Generation Conventions".
8969 2006-06-21 Richard Henderson <rth@redhat.com>
8973 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8975 (global_symbolic_operand): Allow weak symbols, even if local_p.
8977 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8979 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8980 (find_interesting_uses_address): Punt if above function returns true.
8982 2006-06-21 Richard Guenther <rguenther@suse.de>
8984 * configure: Regenerated.
8986 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8988 * config/mips/mips.c (function_arg): Where one part of a
8989 complex argument is in registers and the other part in the stack,
8990 return a REG not a PARALLEL.
8992 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8994 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8995 when cross-compiling. Do not substitute libstdcxx_incdir.
8996 * configure: Regenerated.
8998 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9000 * varasm.c (mergeable_string_section): Check for embedded NULs and
9001 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9002 rather than TREE_STRING_LENGTH bytes.
9004 2006-06-21 Richard Guenther <rguenther@suse.de>
9006 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9007 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9010 2006-06-21 Richrad Guenther <rguenther@suse.de>
9012 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9013 Limit iteration over the dominators.
9015 2006-06-20 Roger Sayle <roger@eyesopen.com>
9017 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9018 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9020 2006-06-20 Richard Guenther <rguenther@suse.de>
9021 Michael Matz <matz@suse.de>
9023 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9025 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9026 * et-forest.h (et_free_pools): Prototype new function.
9027 * et-forest.c (et_free_tree_force): Free parent occurrence.
9028 (et_free_pools): New function.
9029 * dominance.c (free_dominance_info): Free et-forest alloc
9032 2006-06-20 Roger Sayle <roger@eyesopen.com>
9034 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9035 integer modes, attempt to directly construct an integer constant.
9037 * fold-const.c (native_encode_vector): Determine the size of each
9038 element from the vector type instead of the first vector element.
9040 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9041 if all of its elements/components are constant.
9042 (build_constructor_from_list): Likewise.
9044 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9046 PR tree-optimization/27331
9047 * tree-data-ref.c (free_data_ref): New function.
9048 (create_data_ref): Fail if the data reference has unknown access
9050 (free_data_refs): Use free_data_ref.
9052 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9055 * tree-inline.c (setup_one_parameter): Strip useless
9056 type conversion before adding it to the IR.
9057 (declare_return_variable): Likewise.
9059 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9062 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9064 2006-06-19 Mike Stump <mrs@apple.com>
9066 * tree.c (variably_modified_type_p): VM arguments don't make the
9069 2006-06-19 Richard Guenther <rguenther@suse.de>
9071 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9072 type conversions after folding.
9074 2006-06-19 Richard Guenther <rguenther@suse.de>
9076 * ggc-page.c (extra_order_size_tab): Add entries with
9077 size of struct function and basic_block.
9078 (size_lookup): Extend to cover sizes up to 511.
9079 (ggc_alloc_stat): Adjust user.
9080 (ggc_pch_count_object): Likewise.
9081 (ggc_pch_alloc_object): Likewise.
9082 (ggc_pch_write_object): Likewise.
9084 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9086 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9087 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9090 2006-06-19 Denis Chertykov <denisc@overta.ru>
9092 * config/avr/libgcc.S : Correct my wrong previous commit.
9094 2006-06-19 Roger Sayle <roger@eyesopen.com>
9097 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9098 have stripped a SUBREG from the shift count, so we may need to
9099 convert_to_mode back to the type's mode before calling make_tree.
9100 Use new_amount instead of amount to avoid expanding a tree twice.
9102 2006-06-19 Richard Guenther <rguenther@suse.de>
9105 * fold-const.c (operand_equal_p): Check if the argument types
9106 have the same precision before stripping NOPs.
9108 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9110 Fix PR tree-optimization/27341
9111 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9113 * tree-complex.c (pass_lower_complex): Update SMT usage.
9115 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9117 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9118 Add a new alternative to the constraint strings. Add move of
9119 operand 1 to 3 to the splitter definition.
9120 ("doloop_si_long"): Second contraint alternative removed.
9122 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9124 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9125 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9127 (AVR_HAVE_MOVW) Define.
9128 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9129 (ASM_SPEC): Add avr25.
9130 (LINK_SPEC): Add avr25.
9131 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9132 (base_arch_s): Add new member 'have_movw_lpmx'.
9133 (avr_arch_types): Init 'have_movw_lpmx'.
9134 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9135 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9136 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9137 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9138 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9140 (avr_file_start): Do not output '.arh' derective.
9141 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9142 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9143 * config/avr/avr.md (mcu_enhanced): Delete.
9144 (mcu_have_movw): Define.
9145 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9146 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9147 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9148 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9149 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9150 attiny861 and at86rf401 devices.
9152 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9154 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9157 2006-06-17 Karl Berry <karl@gnu.org>
9159 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9160 doc/gccint.texi, doc/install.texi (@dircategory): Use
9161 "Software development" instead of "Programming", following
9162 the Free Software Directory.
9164 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9166 * config/i386/i386.c (legitimate_tls_address)
9167 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9168 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9169 (*tls_dynamic_gnu2_combine_64): Likewise.
9171 2006-06-16 Richard Guenther <rguenther@suse.de>
9174 * fold-const.c (negate_expr_p): Do not introduce undefined
9175 overflow in negating INTEGER_CSTs.
9176 (fold_negate_expr): Rename from negate_expr. Revert last
9177 change for folding BIT_NOT_EXPR. Change semantics to
9178 return NULL_TREE for non-simplified negations. Do not
9179 strip type conversions and unify type handling.
9180 (negate_expr): New function, wrap around fold_negate_expr
9181 but ensure building a tree always. Strip type conversions
9182 here, fold to result type.
9183 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9185 2006-06-16 Roger Sayle <roger@eyesopen.com>
9188 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9189 that (would) return their results in stack registers.
9191 2006-06-16 Michael Matz <matz@suse.de>
9192 Richard Guenther <rguenther@suse.de>
9194 * fold-const.c (fold_truthop): Only return new tree node if
9195 we canonicalized something.
9197 2006-06-16 Richard Guenther <rguenther@suse.de>
9199 * function.h (enum function_frequency): Move declaration
9200 out of struct function.
9201 (struct function): Move bool fields and the enum to the bitfield
9202 section. Reorder elements to avoid padding. Remove unused
9203 fields left over from the RTL inliner removal.
9204 * function.c (free_after_compilation): Do not zero removed fields.
9205 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9206 (ipa-type-escape.o): Likewise.
9208 2006-06-16 Richard Guenther <rguenther@suse.de>
9210 * cgraph.h (struct cgraph_local_info): Turn bool elements
9212 (struct cgraph_node): Likewise.
9213 (struct cgraph_varpool_node): Likewise.
9215 2006-06-15 Richard Guenther <rguenther@suse.de>
9217 * fold-const.c (fold_truth_not_expr): Rename from
9218 invert_truthvalue. Give it fold_* semantics to avoid
9220 (invert_truthvalue): New function. Wrapper around
9221 fold_truth_not_expr.
9222 (optimize_minmax_comparison): Avoid creating garbage.
9223 (fold_unary): Use fold_truth_not_expr for folding
9225 (fold_ternary): Replace uses of invert_truthvalue with
9226 fold_truth_not_expr where applicable.
9227 * tree.h (fold_truth_not_expr): Prototype.
9229 2006-06-16 Richard Guenther <rguenther@suse.de>
9231 PR tree-optimization/27781
9232 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9233 * ipa-pure-const.c (target.h): Include.
9234 (analyze_function): Do not analyze functions that do not
9237 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9240 * tree-dfa.c (referenced_vars_dup_list): Remove.
9241 (find_referenced_vars): Remove assert.
9242 (referenced_var_check_and_insert): Replace dup list with assert.
9243 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9244 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9246 2006-06-15 Richard Guenther <rguenther@suse.de>
9248 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9249 extra unused identifiers if not dumping.
9250 (create_variable_info_for): Likewise.
9252 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9254 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9255 (derive_constant_upper_bound): Derive more precise upper bound in
9256 common cases. Return type changed to double_int.
9257 (record_estimate): Reflect the changed return type of
9258 derive_constant_upper_bound.
9259 * double-int.c (double_int_zext, double_int_sext): Fix.
9261 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9263 * configure.ac (CFLAGS): Get them from the toplevel or from the
9264 configure invocation.
9265 * configure: Regenerate.
9266 * Makefile.in (CFLAGS): Substitute value provided by configure.
9268 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9271 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9272 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9273 rather than calling add_stmt on it.
9274 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9276 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9279 * reload1.c (reload): Remove registers returned by update_eliminables
9280 from used_spill_regs.
9282 2006-06-13 DJ Delorie <dj@redhat.com>
9284 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9286 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9288 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9289 html__strip_dir, html__mkdir_p. Enhance install-html target.
9290 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9291 * configure: Regenerate.
9293 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9295 * fold-const.c (fold_cond_expr_with_comparison): Check for
9296 Objective-C++ as language in deciding COND_EXPR transformation.
9298 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9301 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9302 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9303 * config/sh/lib1funcs.h (SL, SL1): Define.
9304 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9305 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9306 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9307 (OBJS_Os_4_200): New variable.
9308 ($(T)libgcc-Os-4-200.a): Use it.
9309 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9310 when dividing 1 and/or by 0.
9312 2006-06-13 Roger Sayle <roger@eyesopen.com>
9314 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9315 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9316 * configure: Regenerate.
9318 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9320 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9321 for real instruction.
9323 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9326 * haifa-sched.c (check_cfg): Handle special case.
9328 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9331 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9332 Add debug_info parameter. Chain the vars to the BLOCK instead
9333 of the BIND_EXPR if debug info are requested for them.
9334 (pop_gimplify_context): Adjust for above change.
9335 (gimple_add_tmp_var): Likewise.
9336 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9338 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9339 (convert_local_reference): Likewise.
9340 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9341 (finalize_nesting_tree_1): Request that debug info be emitted
9342 for debug_var_chain.
9344 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9346 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9347 for PR target/27863.
9349 2006-06-13 Richard Guenther <rguenther@suse.de>
9352 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9354 2006-06-13 Richard Guenther <rguenther@suse.de>
9356 PR tree-optimization/27830
9357 * tree-inline.c (copy_body_r): For copying the operand
9358 of an ADDR_EXPR make sure to fold &* afterwards.
9360 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9362 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9363 lvalues in the fb_none case with side-effects.
9365 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9367 * tree-flow.h: Remove the prototype for
9368 compute_phi_arg_on_exit.
9369 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9370 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9373 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9375 * builtins.c (expand_builtin_return_addr): Only use
9376 frame_pointer_rtx when count == 0 and we are expanding
9377 __builtin_return_address.
9379 2006-06-12 Fred Fish <fnf@specifix.com>
9381 * config/mips/mips.c (mips_file_start): Create special section
9382 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9384 2006-06-11 Eric Christopher <echristo@apple.com>
9387 * stor-layout.c (place_field): Remove check for
9388 remaining_in_alignment when aligning at the end of a run.
9390 2006-06-11 Eric Christopher <echristo@apple.com>
9393 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9396 2006-06-11 Roger Sayle <roger@eyesopen.com>
9399 Revert incorrect fix for PR target/27158
9400 2006-05-08 Roger Sayle <roger@eyesopen.com>
9401 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9402 of a reg_equiv_constant if the result is a legitimate constant.
9404 2006-06-11 Roger Sayle <roger@eyesopen.com>
9407 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9408 extract a CONST_VECTOR element and interpret it as an integer.
9409 (vspltis_constant): Use const_vector_elt_as_int instead of the
9410 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9411 * config/rs6000/predicates.md (easy_vector_const): Consider
9412 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9414 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9417 * stor-layout.c (update_alignment_for_field): Don't add extra
9418 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9421 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9423 * config/mips/t-rtems: Add EL/EB multilib variants.
9425 2006-06-09 Mike Stump <mrs@apple.com>
9427 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9429 2006-06-09 David Daney <ddaney@avtrex.com>
9431 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9433 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9435 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9437 2006-06-09 Richard Guenther <rguenther@suse.de>
9439 PR tree-optimization/26998
9440 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9441 of signed types, only TYPE_MIN_VALUE is special, but for both,
9442 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9443 in this case, as is -fwrapv.
9445 2006-06-08 Mike Stump <mrs@apple.com>
9448 * config/darwin.c (darwin_asm_output_anchor): Disable
9449 -fsection-anchors on darwin for now.
9450 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9451 * rs6000/rs6000.c (optimization_options): Likewise.
9453 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9456 * config/i386/i386.c (classify_argument): Skip fields with invalid
9459 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9461 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9462 (cse_insn): Likewise for the stack_pointer_rtx.
9464 2006-06-08 Roger Sayle <roger@eyesopen.com>
9466 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9467 conditions from floating point comparisons.
9469 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9472 * expmed.c (struct alg_hash_entry): Fix type of field T
9473 to match synth_mult argument.
9474 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9476 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9479 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9482 2006-06-08 Richard Guenther <rguenther@suse.de>
9485 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9486 only, if overflow is defined and not trapping.
9487 (negate_expr): Likewise.
9489 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9491 PR tree-optimization/27872
9492 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9493 flag on the new exit edge of the unrolled loop.
9495 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9497 PR rtl-optimization/26449
9498 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9500 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9503 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9504 referenced_variables with matching DECL_UID's.
9505 (find_referenced_vars): Make sure duplicate list is empty to start.
9506 (referenced_var_p): Remove.
9507 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9508 Check if var is in the list, and add if needed. Update the duplicate
9509 list if a different var is in the list with the same DECL_UID.
9510 (add_referenced_var): Call routine to check and insert.
9511 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9512 * tree-flow.h (referenced_vars_dup_list): External declaration.
9514 2006-06-07 Fred Fish <fnf@specifix.com>
9516 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9519 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9522 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9523 the imaginary and real parts of a clobbered register.
9524 Emit insn to set the imaginary part.
9526 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9528 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9529 in lieu of unwind-dw2-fde.c.
9531 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9533 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9535 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9538 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9539 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9540 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9541 V4SImode temporaries and operations instead.
9543 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9545 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9548 2006-06-06 Mike Stump <mrs@apple.com>
9550 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9551 installing during build.
9553 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9555 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9557 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9558 * config/ia64/ia64.c (params.h): New header.
9559 (ia64_optimization_options): New function to adjust parameters.
9560 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9561 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9562 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9564 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9566 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9568 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9571 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9573 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9574 Victor Kaplansky <victork@il.ibm.com>
9576 PR tree-optimization/26360
9577 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9580 2006-06-04 Roger Sayle <roger@eyesopen.com>
9581 Andrew Pinski <pinskia@physics.uc.edu>
9584 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9585 for LABEL_DECL before calling DECL_WEAK.
9588 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9589 LABEL_DECL and PARM_DECL.
9591 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9595 * c-decl.c (grokdeclarator): Disallow variably modified types at
9596 file scope. Avoid marking shared array type of constant size as
9599 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9602 * c-common.c (fold_offsetof_1): Handle static members.
9604 2006-06-04 Eric Christopher <echristo@apple.com>
9606 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9607 (debug_rli): Output value for remaining_in_alignment.
9608 (update_alignment_for_field): Unconditionalize
9609 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9610 extra alignment code.
9611 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9612 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9613 * tree.h (record_layout_info_s): Remove prev_packed.
9614 * doc/extend.texi (ms_struct): Add documentation of format.
9616 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9618 * tree.h: Declare folding_initializer.
9619 * builtins.c (fold_builtin_constant_p): Give definite answer
9620 if folding inside an initializer.
9621 * fold-const.c: Define folding_initializer.
9622 (START_FOLD_INIT): Save and then set folding_initializer.
9623 (END_FOLD_INIT): Restore folding_initializer.
9625 2006-06-04 Richard Guenther <rguenther@suse.de>
9627 PR tree-optimization/27039
9628 * fold-const.c (fold_comparison): Handle pointer comparison
9629 again for all comparison codes. Compare offsets in signed
9631 (fold_binary): Move code from here.
9633 2006-06-03 Roger Sayle <roger@eyesopen.com>
9636 * config/i386/i386.c (construct_container): Split static issued_error
9637 flag into issued_sse_arg_error, issued_sse_ret_error and
9638 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9639 requires the use of x87 registers and the user explicitly
9640 specified the -mno-80387 command line option.
9642 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9644 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9645 HAVE_DECL_SIGALTSTACK.
9647 (segv_handler): Use MC_FLD.
9648 * configure.ac: Check for a sigaltstack declaration.
9649 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9650 * configure: Regenerate.
9651 * config.in: Regenerate.
9653 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9656 * Makefile.in (stmp-fixinc): Fix typo.
9658 2006-06-02 Roger Sayle <roger@eyesopen.com>
9660 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9661 are type correct. Clean-up.
9662 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9663 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9665 2006-06-01 DJ Delorie <dj@redhat.com>
9667 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9668 shift, as we've disabled the "switch" insn that needs it.
9670 2006-06-01 Per Bothner <bothner@bothner.com>
9672 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9673 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9674 * c-ppoutput.c (cb_define): Don't increment line 0.
9676 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9678 * doc/invoke.texi: Add cpu_type power6.
9679 * config.gcc: Add cpu_type power6.
9680 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9681 to power5+ with Altivec.
9682 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9683 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9685 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9687 * config/avr/avr.h (SET_ASM_OP): Define.
9689 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9691 * config/bfin/bfin.c: Fix comment typos.
9693 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9696 * doc/install.texi: Document --enable-bootstrap and
9697 --disable-bootstrap.
9699 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9701 * doc/install.texi: Document that InfoZIP can replace jar.
9703 2006-05-31 Roger Sayle <roger@eyesopen.com>
9705 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9706 isn't available, directly generate the simpler x87 patterns without
9707 the (use (const_int 0)).
9708 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9709 implementation isn't available.
9710 (*negdf2_1): Likewise.
9711 (*negxf2_1): XF mode negation is always done using the x87.
9712 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9714 2006-05-31 Roger Sayle <roger@eyesopen.com>
9716 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9717 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9719 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9721 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9723 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9724 * config/bfin/bfin.c (basic-block.h): Include.
9725 (struct machine_function): New.
9726 (bfin_init_machine_status): New.
9727 (override_options): Initialize init_machine_status.
9728 (bfin_hardware_loop): New.
9729 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9730 (DEF_VEC_P (loop_info)): New.
9731 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9732 (struct loop_info): New.
9733 (loop_info): New typedef.
9734 (struct loop_work): New.
9735 (loop_work): New typedef.
9736 (DEF_VEC_O (loop_work)): New.
9737 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9738 (bfin_dump_loops): New.
9739 (bfin_bb_in_loop): New.
9740 (bfin_scan_loop): New.
9741 (bfin_optimize_loop): New.
9742 (bfin_reorg_loops): New.
9743 (bfin_reorg): Use bfin_reorg_loops.
9744 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9746 (I_REGNO_P): Simplify.
9747 (DP_REGNO_P, DPREG_P): New macros.
9748 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9749 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9750 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9751 Add LT_REGS, LC_REGS, LB_REGS.
9752 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9754 (REGNO_REG_CLASS): Deal with loop registers.
9755 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9757 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9758 New constants for loop registers.
9759 (UNSPEC_LSETUP_END): New.
9760 (seq_insns): New define_attr. Set it for appropriate insns.
9761 (movsi_insn): Add alternatives for move from/to
9762 loop count registers.
9763 (doloop_end): New define_expand.
9764 (loop_end): New define_insn.
9765 (define_split for bad doloop_end): New.
9766 (lsetup_with_autoinit): New define_insn.
9767 (lsetup_without_autoinit): New define_insn.
9768 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9769 * config/bfin/predicates.md (lc_register_operand): New.
9770 (lt_register_operand): New.
9771 (lb_register_operand): New.
9772 (nondp_register_operand): New.
9773 (nondp_reg_or_memory_operand): New.
9774 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9776 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9778 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9779 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9781 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9783 * Makefile.in (CATALOGS): Add po/ prefix.
9784 * configure: Regenerated.
9786 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9789 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9790 a shift operand before calling shift_op. Avoid redundant call of
9793 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9794 DJ Delorie <dj@redhat.com>
9796 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9797 we're inserting is a singlt-bit constant.
9799 2006-05-30 Roger Sayle <roger@eyesopen.com>
9801 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9802 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9804 2006-05-30 Roger Sayle <roger@eyesopen.com>
9806 PR tree-optimization/23452
9807 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9808 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9809 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9810 complex values and with -ffast-math for FP complex values.
9812 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9814 * c-common.h: Remove the prototype for yyparse.
9815 * rtl.h: Remove the prototype for init_loop.
9817 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9819 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9822 2006-05-30 Roger Sayle <roger@eyesopen.com>
9824 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9826 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9827 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9829 2006-05-30 Dirk Mueller <dmueller@suse.de>
9832 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9833 for CONSTANT_CLASS_P expresisons.
9835 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9838 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9840 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9842 PR tree-optimization/27779
9843 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9844 initial_condition instead of CHREC_LEFT.
9846 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9848 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9849 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9850 Make prototypes ISO C90.
9852 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9853 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9855 * see.c (see_analyze_one_def): Correct check.
9856 (see_get_extension_data): Check if extension is parallel.
9857 (see_get_extension_reg): Likewise.
9859 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9862 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9863 into register for (code == GTU).
9865 2006-05-29 Roger Sayle <roger@eyesopen.com>
9867 PR tree-optimization/24964
9868 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9869 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9870 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9871 abs(x)*abs(x) as x*x for scalar floating point modes.
9873 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9876 * lambda-code.c (perfect_nestify): Don't copy statements
9877 in the inner loop: move them to the inner loop header.
9879 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9882 * c-tree.texi: Document OpenMP directives and clauses.
9884 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9886 * varasm.c (globalize_decl): Fix indentation.
9888 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9891 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9892 pass_fre, pass_store_ccp, pass_copy_prop,
9893 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9894 pass_return_slot, pass_object_size, pass_lim,
9895 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9896 pass_loop_prefetch and pass_stdarg.
9898 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9900 * config/bfin/bfin.opt (mfdpic): New option.
9901 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9902 (EXTRA_MULTILIB_PARTS): Likewise.
9903 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9904 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9906 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9907 (CRT_CALL_STATIC_FUNCTION): New.
9908 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9910 (CRT_CALL_STATIC_FUNCTION): New.
9911 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9913 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9914 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9915 (initialize_trampoline): Changed to handle FD-PIC code generation.
9916 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9917 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9918 (override_options): Disallow -mid-shared-library -mfdpic combination.
9919 Can't do unaligned ops if FD-PIC.
9920 Turn off flag_pic if trying to generate non-id-shared-library
9921 non-fdpic code, since it's not supported.
9922 (bfin_assemble_integer): New function.
9923 (TARGET_ASM_INTEGER): Define.
9924 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9926 * config/bfin/crtn.s: Restore them.
9927 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9929 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9930 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9931 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9932 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9933 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9935 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9936 FDPIC_REGS and FDPIC_FPTR_REGS.
9937 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9938 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9939 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9940 (load_funcdescsi): New pattern.
9941 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9942 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9943 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9945 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9947 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9950 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9952 * tree-flow.h: Remove the prototype for add_type_alias.
9953 * tree-ssa-alias.c (add_type_alias): Remove.
9955 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9957 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9958 config/fr30/fr30.md, config/i386/i386-interix.h,
9959 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9960 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9961 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9962 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9963 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9964 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9965 Follow spelling conventions.
9966 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9967 Follow spelling conventions.
9969 2006-05-27 Richard Guenther <rguenther@suse.de>
9972 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9973 to produce a constant of value 1 of generic type.
9975 2006-05-27 Dirk Mueller <dmueller@suse.de>
9977 * cgraphunit.c (decide_is_function_needed): Fix wrong
9980 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9982 PR rtl-optimization/27661
9983 * reload.c (find_reloads): When reloading a VOIDmode constant
9984 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9985 use Pmode as mode of the reload register.
9987 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9989 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9990 is enabled at -O and above.
9992 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9995 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9998 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10001 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10002 for anonymous variables explicitly declared by front ends.
10004 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10006 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10007 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10008 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10009 ref-all pointers, run a finalization pass for them.
10010 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10011 (finalize_ref_all_pointers): New function.
10012 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10013 regular pointer type to a ref-all pointer type.
10014 (get_tmt_for): Return the special memory tag for ref-all pointers.
10016 2006-05-25 Richard Guenther <rguenther@suse.de>
10018 PR middle-end/27743
10019 * fold-const.c (fold_binary): Do not look at the stripped
10020 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10022 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10024 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10025 for LT and GT if the computed range is effectively empty.
10027 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10030 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10031 mips_quad_format formats instead of ieee_single_format,
10032 ieee_double_format and ieee_quad_format formats, respectively.
10034 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10036 PR tree-optimization/27639
10037 PR tree-optimization/26719
10038 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10039 call to scev_probably_wraps_p.
10040 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10041 used_in_pointer_arithmetic_p, convert_step): Removed.
10042 (nowrap_type_p): New function.
10043 (scev_probably_wraps_p): Rewritten.
10044 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10045 chrec_convert if chrec_convert_aggressive might have been used.
10046 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10047 scev_direction): New functions.
10048 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10049 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10050 instead of convert_step.
10051 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10052 (convert_step): Declaration removed.
10053 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10055 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10057 * df-core.c: Added to header comments.
10058 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10059 df_ur_bb_info, df_urec_bb_info): Added comments.
10060 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10061 urec, ri problems): Fixed header comments.
10062 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10063 code from df_rd_transfer_function.
10065 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10067 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10068 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10069 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10071 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10073 * expr.c (undefined_operand_subword_p): New.
10074 (emit_move_multi_word): Do not generate move from undefined bits
10075 of a paradoxical subreg.
10077 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10079 PR rtl-optimization/27736
10080 * combine.c (replaced_rhs_value): New variable.
10081 (combine_instructions): Set it.
10082 (distribute_notes): When distributing a note in replaced_rhs_insn,
10083 check whether the value was used in replaced_rhs_value.
10085 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10088 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10089 add_referenced_var instead of add_referenced_tmp_var.
10090 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10091 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10092 add_referenced_var.
10093 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10094 tree_optimize_tail_calls_1): Use add_referenced_var.
10095 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10096 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10097 Use add_referenced_var.
10098 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10099 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10100 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10101 Use add_referenced_var.
10102 * tree-dfa.c (struct walk_state): Remove.
10103 (find_referenced_vars): Remove walk state and vars_found hash table.
10104 (make_rename_temp): Use add_referenced_var.
10105 (find_vars_r): Pass less parameters to add_referenced_var.
10106 (referenced_var_p): New. Is var in referenced_var hash table.
10107 (referenced_var_insert): Assert var isn't already in hash table.
10108 (add_referenced_var): Don't need walk_state parameter. Add var if it
10109 isn't already in the hash table.
10110 (add_referenced_tmp_var): Remove.
10111 (find_new_referenced_vars_1): Use add_referenced_var.
10112 * tree-ssa-pre.c (create_expression_by_pieces,
10113 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10114 Use add_referenced_var.
10115 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10116 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10117 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10118 add_referenced_var.
10119 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10120 vect_create_data_ref_ptr, vect_create_destination_var,
10121 vect_init_vector, vect_build_loop_niters,
10122 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10123 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10124 Use add_referenced_var.
10125 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10126 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10127 (add_referenced_var): Add prototype.
10128 * tree-ssa-structalias.c (get_constraint_for,
10129 intra_create_variable_infos): Use add_referenced_var.
10131 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10133 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10134 big-endian paradoxical subregs.
10135 * var-tracking.c (struct micro_operation_def): Document that,
10136 for modify micro operations, insn is the subsequent instruction.
10137 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10138 (var_reg_set, var_mem_set): ... new functions.
10139 (add_stores): Record subsequent insn.
10140 (compute_bb_dataflow): Use new functions for MO_USE.
10141 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10142 notes after the insn, and modify notes before the insn known
10143 to be the subsequent one.
10144 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10146 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10149 * config/i386/i386.c (ix86_expand_builtin): Use
10150 gen_sse3_monitor64 for TARGET_64BIT.
10152 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10154 PR rtl-optimization/26375
10155 PR rtl-optimization/26855
10156 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10158 (df_ru_bb_local_compute): Reversed statements and removed bogus
10159 comment explaining why they should be in wrong order.
10160 (df_ru_dump, df_rd_dump): Enhanced debug info.
10161 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10163 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10164 reaching uses and fixed space problem.
10166 2006-05-23 Jan Hubicka <jh@suse.cz>
10168 * cgraphunit.c (decide_is_function_needed): Also nested functions
10169 and functions declared inline can be optimized out at -O0.
10171 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10173 * doc/install.texi (Configuration): Remove reference to CrossGCC
10174 FAQ which was gone.
10177 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10180 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10181 ix86_compare_emitted is non-NULL.
10183 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10186 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10189 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10191 PR rtl-optimization/25514
10192 * combine.c (replaced_rhs_insn): New variable.
10193 (combine_instructions): Set replaced_rhs_insn when trying to replace
10194 a SET_SRC with a REG_EQUAL note.
10195 (distribute_notes): Use replaced_rhs_insn when determining the live
10196 range of a REG_DEAD register.
10198 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10199 Anatoly Sokolov <aesok@post.ru>
10201 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10202 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10203 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10204 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10205 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10206 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10207 at90usb647, at90usb1286 and at90usb1287 devices.
10208 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10209 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10211 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10213 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10215 2006-05-22 Richard Guenther <rguenther@suse.de>
10218 2006-01-31 Richard Guenther <rguenther@suse.de>
10219 Paolo Bonzini <bonzini@gnu.org>
10221 * doc/install.texi (--disable-libgcc-math): Document.
10223 2006-05-22 Richard Guenther <rguenther@suse.de>
10226 2006-01-31 Richard Guenther <rguenther@suse.de>
10228 * doc/invoke.texi (-msselibm): Document.
10229 * target.h (expand_library_builtin): New target hook.
10230 * builtins.c (expand_builtin): Use expand_library_builtin.
10231 (default_expand_library_builtin): New function.
10232 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10233 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10234 (link_gcc_math_spec): Declare.
10235 (static_specs): Add link_gcc_math_spec.
10236 * expr.h (default_expand_library_builtin): Declare.
10237 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10238 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10239 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10240 * config/i386/i386.opt (msselibm): New target option.
10241 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10242 (ix86_init_sse_abi_builtins): New function.
10243 (ix86_expand_library_builtin): Likewise.
10244 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10245 (override_options): Handle error conditions wrt -msselibm.
10246 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10247 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10248 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10251 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10254 * c-common.c (self_promoting_args_p): Skip erroneous args.
10257 * c-decl.c (finish_struct): Skip erroneous fields.
10259 2006-05-22 Nick Clifton <nickc@redhat.com>
10261 * config/cris/cris.opt (march): Remove VarExists attribute.
10262 (max-stackframe=): Likewise.
10264 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10266 * doc/rtl.texi: Fix a typo.
10267 * see.c: Fix comment typos.
10269 * tree-ssa-structalias.h (alias_info): Remove num_references.
10271 2006-05-21 Mike Stump <mrs@apple.com>
10273 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10275 (darwin_pragma_options): Use BAD instead.
10276 (darwin_pragma_unused): Likewise.
10277 (darwin_pragma_ms_struct): Likewise.
10279 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10281 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10283 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10285 PR rtl-optimization/27671
10286 * simplify-rtx.c (simplify_relational_operation_1): Fix
10287 simplifications of (eq/ne (xor x y) y) and
10288 (eq/ne (xor x y) x).
10290 PR tree-optimization/26622.
10291 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10294 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10296 * tree-cfg.c: Prune whitespace.
10297 (debug_tree_cfg): Point to correct header containing the
10300 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10302 PR middle-end/25776
10303 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10305 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10307 PR middle-end/25776
10308 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10309 or sorry count is non zero.
10311 2006-05-20 Andreas Schwab <schwab@suse.de>
10313 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10315 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10316 Kenneth Zadeck <zadeck@naturalbridge.com>
10318 PR rtl-optimization/26855
10320 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10322 (df_scan_alloc): Added code to properly handle multiword hard
10323 registers and add all_blocks parameter.
10324 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10325 code to properly handle multiword hard registers.
10326 (df_rescan_blocks): Added code to remove deleted blocks from
10328 (df_ref_create_structure, df_ref_record): Added code to properly
10330 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10331 and set DF_REF_PARTIAL.
10332 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10333 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10334 (df_scan_add_problem): Added flags parameter.
10335 (df_ref_create_structure): Changed switching structure.
10336 (df_bb_refs_record): Fixed case where duplicate artificial refs
10337 were created. Changed location of flags.
10338 (df_record_entry_block_defs): Added code to make stack pointer
10339 live in entry block. Refined cases where frame pointer is needed.
10340 Changed location of flags.
10341 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10342 (df_set_state): Removed function.
10343 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10344 df_insn_create_insn_record, df_insn_refs_delete,
10345 df_ref_create_structure): Formatting changes.
10346 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10347 df_delete_basic_block): New function.
10348 (df_init): Changed location of flags.
10349 (df_add_problem): Added flags parameter and the way flags are
10351 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10352 debug_df_chain): Improved debugging output.
10353 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10354 (df_refs_chain_dump): Removed df parameter.
10355 (df_iterative_dataflow): Added consistency check.
10356 (df_prune_to_subcfg): Made public.
10357 (df_analyze_problem): Added blocks_to_init parameter and made
10359 (df_ref_record, df_bb_refs_record, df_mark_reg,
10360 df_record_exit_block_uses): Whitespace changes.
10361 (df_dump): Whitespace changes.
10362 * df.h: Some reordering to remove forward references.
10363 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10364 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10365 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10366 (dataflow.flags): New field.
10367 (df.flag): Deleted field.
10368 (df_alloc_function): Added additional bitmap parameter.
10369 (df_dependent_problem_function): New type.
10370 (df_problem.changeable_flags): New field.
10371 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10372 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10373 (df_mw_hardreg): New struct.
10374 (DF_INSN_UID_MWS): New macro.
10375 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10377 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10378 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10379 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10380 (df_set_state): Removed function.
10381 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10382 * df-problems.c (df_chain_dump): Removed df parameter.
10383 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10384 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10386 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10387 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10388 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10389 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10390 DF_REF_MUST_CLOBBER cases.
10391 (df_ru_bb_local_compute_process_def,
10392 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10393 df_lr_bb_local_compute, df_ur_bb_local_compute,
10394 df_chain_create_bb): Made subreg aware.
10395 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10396 df_lr_bb_local_compute, df_lr_bb_local_compute,
10397 df_chain_create_bb): Cleanup to use proper macros.
10398 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10399 code to fixup bitvectors.
10400 (df_ri_alloc): Cleared lifetime.
10401 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10402 df_create_unused_note): New function.
10403 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10404 REG_DEAD and REG_UNUSED notes as well as register information.
10405 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10406 df_chains_dump): Fixed crash if problem was never run.
10407 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10408 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10409 df_ri_add_problem): Processes flags in uniform manner.
10410 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10411 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10412 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10413 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10414 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10415 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10416 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10417 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10418 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10419 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10420 * see.c (see_initialize_data): Ditto.
10421 * final.c (rest_of_clean_state) Added regstack_completed.
10422 * rtl.h (regstack_completed): Ditto.
10423 * reg-stack.c (regstack_completed): Ditto.
10425 2006-05-19 Mike Stump <mrs@apple.com>
10427 * c-tree.h (default_conversion): Remove.
10428 * c-common.h (default_conversion): Add.
10430 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10432 * tree-vrp.c (valid_value_p): New function.
10433 (adjust_range_with_scev): Fail if the value of bound is not
10436 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10438 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10439 (mips_fallback_frame_state): Use syscall numbers to determine
10440 the appropriate li instruction for the current ABI. Only use
10441 __NR_sigreturn for o32.
10443 2006-05-19 Nicolas Setton <setton@adacore.com>
10445 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10446 * langhooks.c (lhd_dwarf_name): New function.
10447 * langhooks-def.h (lhd_dwarf_name): Declare.
10448 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10449 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10451 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10453 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10455 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10456 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10457 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10458 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10459 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10460 determine the size of Wtype, etc.
10461 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10462 (swfloatfuncs): New variable.
10463 (dwfloatfuncs): Likewise.
10464 (lib2funcs): Remove floating-point conversion functions from
10465 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10466 the set of conversion routines needed. Allow entries to specify
10467 an object name, filename and word size. Update users accordingly.
10468 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10469 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10473 2006-02-08 Roger Sayle <roger@eyesopen.com>
10476 * config/fixtfdi.c: New libgcc source file.
10477 * config/fixunstfdi.c: New source file.
10478 * config/floatditf.c: New source file.
10479 * config/floatunditf.c: New souce file.
10480 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10481 files above instead of config/mips/_tilib.c.
10482 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10484 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10486 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10487 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10489 2006-05-18 Mike Stump <mrs@apple.com>
10491 Fix up vla, vm and [*] sematics.
10497 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10498 (c_vla_unspec_p): Add.
10499 (c_vla_type_p): Add.
10500 * c-decl.c (struct c_scope): Add had_vla_unspec.
10501 (build_array_declarator): Add support for [*].
10502 (grokdeclarator): Likewise.
10503 (grokparms): Likewise.
10504 (get_parm_info): Likewise.
10505 * c-objc-common.c (c_vla_unspec_p): Likewise.
10506 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10507 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10508 typeof when argument is a variably modified type not inside sizeof or alignof.
10509 (c_parser_direct_declarator_inner): Propagate errors.
10510 (c_parser_sizeof_expression): Add support for [*].
10511 (c_parser_parms_declarator): Initialize had_vla_unspec.
10512 (c_parser_parms_list_declarator): Likewise.
10513 * c-typeck.c (c_vla_type_p): Add.
10514 (composite_type): Add support for vla compositing.
10515 (comptypes_internal): Add support for vla compatibility.
10516 (c_expr_sizeof_expr): Evaluate vla arguments.
10517 * tree.c (variably_modified_type_p): Update comment for [*].
10519 2006-05-18 Michael Matz <matz@suse.de>
10522 * config.host: Make assignments to host_xmake_file cumulative.
10523 * config.host (*-darwin*): Test $host, not $target.
10525 2006-05-12 Stuart Hastings <stuart@apple.com>
10527 * config/i386/i386.opt (-mstackrealign): New flag.
10528 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10529 (ix86_handle_cconv_attribute): Emit error when
10530 force_align_arg_pointer attribute collides with too many regparms.
10531 (ix86_function_regparm): Limit regparms when used with
10532 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10533 Support stack-realigning prologue in non-main functions. Emit
10534 warning for nested functions under -mstackrealign, emit error for
10535 nested functions with force_align_arg_pointer attribute.
10536 * doc/extend.texi (force_align_arg_pointer): Document it.
10537 * doc/invoke.texi (-mstackrealign): Document it.
10539 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10541 PR rtl-optimization/27477
10542 * combine.c (try_combine): Don't split a parallel consisting
10543 of two sets into two individual sets if both sets reference
10546 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10548 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10549 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10551 * doc/options.texi (VarExists): Updated.
10553 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10555 * unwind-dw2.c: Add declarations for uw_update_context and
10556 uw_frame_state_for.
10557 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10558 detected, advance frame state and context once to skip over stub.
10560 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10562 PR middle-end/20256
10563 PR middle-end/26435
10564 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10565 Call rewrite_into_loop_closed_ssa only when something changed.
10566 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10567 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10568 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10569 Test for perfect_nest_p here. Fix formating.
10570 (replace_uses_equiv_to_x_with_y): Fix formating.
10571 (stmt_uses_op): Removed.
10572 (can_convert_to_perfect_nest): Removed loopivs parameter.
10573 Complete the test by checking the scalar dependences.
10574 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10577 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10580 From Dan Kegel <dank@kegel.com>:
10581 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10583 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10585 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10586 if the element type is variably modified without recursing.
10588 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10590 PR middle-end/27332
10591 * tree-loop-linear.c (try_interchange_loops): Test for
10592 no data dependences.
10594 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10596 PR tree-optimization/27548
10597 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10598 range of ssa names that appear on abnormal edges.
10599 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10600 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10602 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10604 PR middle-end/27620
10605 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10607 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10609 PR middle-end/27415
10610 * tree.h (OMP_PARALLEL_COMBINED): Define.
10611 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10612 (new_omp_context): Add is_combined_parallel argument.
10613 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10614 new_omp_context caller.
10615 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10616 Adjust gimplify_scan_omp_clauses callers.
10617 (omp_is_private): Issue errors if iteration variable is firstprivate
10618 or reduction in the current context.
10619 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10620 on combined parallel workshare constructs.
10622 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10624 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10625 (gcc-options.o): New rule.
10627 * optc-gen.awk: Protect variables for gcc-options.o with
10628 #ifdef GCC_DRIVER/#endif.
10630 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10632 Fix PR tree-optimization/27373
10633 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10634 (forward_propagate_addr_expr): Update call.
10636 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10638 * doc/options.texi: Move the Negative option.
10640 2006-05-16 Richard Guenther <rguenther@suse.de>
10642 PR tree-optimization/22303
10643 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10645 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10646 ccp_fold did not simplify the statement.
10648 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10651 * Makefile.in (GCC_OBJS): New.
10652 (OBJS-common): Add opts-common.o.
10653 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10654 (cpp$(exeext)): Likewise.
10655 (gcc.o): Also depend on opts.h.
10656 (opts-common.o): New.
10658 * common.opt (gcoff): Add Negative(gdwarf-2).
10659 (gdwarf-2): Add Negative(gstabs).
10660 (gstabs): Add Negative(gstabs+).
10661 (gstabs+): Add Negative(gvms).
10662 (gvms): Add Negative(gxcoff).
10663 (gxcoff): Add Negative(gxcoff+).
10664 (gxcoff+): Add Negative(gcoff).
10665 * config/i386/i386.opt (m32): Add Negative(m64).
10666 (m64): Add Negative(m32).
10668 * doc/options.texi: Document the Negative option.
10670 * gcc.c: Include "opts.h".
10671 (main): Call prune_options after expandargv.
10673 * optc-gen.awk: Generate common declarations for all flag
10674 variables in options.c. Output the neg_index field.
10676 * opts.c (find_opt): Moved to ...
10677 * opts-common.c: Here. New file.
10679 * opts.h (cl_option): Add a neg_index field.
10681 (prune_options): Likewise.
10683 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10685 PR middle-end/27573
10686 * omp-low.c (expand_omp_parallel): Don't assert
10687 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10688 instead search for it.
10691 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10694 2006-05-16 Andreas Schwab <schwab@suse.de>
10696 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10699 2006-05-15 Roger Sayle <roger@eyesopen.com>
10702 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10703 integer constants other than zero are only legitimate on TARGET_64BIT.
10704 <CONST_VECTOR> Only zero vectors are legitimate.
10705 (ix86_cannot_force_const_mem): Integral and vector constants can
10706 always be put in the constant pool.
10708 2006-05-16 DJ Delorie <dj@redhat.com>
10710 * crtstuff.c (__dso_handle): Set section from
10711 TARGET_LBIGCC_SDATA_SECTION if defined.
10712 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10713 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10715 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10718 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10721 2006-05-16 Ben Elliston <bje@au.ibm.com>
10723 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10725 2006-05-15 Per Bothner <per@bothner.com>
10727 * tree.c: (last_annotated_node): Use source_locus typedef.
10728 This permits bootstrapping with --enable-mapped-location.
10730 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10732 PR tree-optimization/26830
10733 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10734 (info_for_ssa_name, current_info_for_ssa_name_age,
10735 blocks_to_update): New variables.
10736 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10737 (clear_ssa_name_info, initialize_flags_in_bb,
10738 mark_block_for_update): New functions.
10739 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10740 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10741 prepare_def_site_for): Use mark_block_for_update.
10742 (mark_def_interesting): Assert that the processed block is marked in
10743 blocks_to_update. Do not take blocks argument.
10744 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10746 (rewrite_update_init_block, rewrite_update_stmt): Only process
10747 blocks with statements to rewrite.
10748 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10749 (update_ssa): Initialize and free blocks_to_update. Do not
10750 clear flags on statements. Do not use blocks bitmap.
10751 * tree.h (SSA_NAME_AUX): Removed.
10752 (struct tree_ssa_name): Removed aux field.
10753 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10755 2006-05-15 Richard Guenther <rguenther@suse.de>
10757 PR tree-optimization/27603
10758 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10759 Do computations in original type.
10761 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10763 * see.c: Code style changes such as redundant paranthesis,
10764 redundant intialization of local variables etc.
10765 (see_main): Declared now as static.
10766 * doc/invoke.texi: Update that -fsee is not enabled by
10769 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10771 * omp-low.c (check_omp_nesting_restrictions): New function.
10772 (scan_omp_1): Call it.
10774 PR middle-end/27416
10775 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10776 construct, return *VAR.
10778 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10780 PR rtl-optimization/27406
10781 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10784 2006-05-14 Roger Sayle <roger@eyesopen.com>
10786 PR rtl-optimization/27538
10787 * combine.c (expand_compound_operation): Call gen_lowpart
10788 before calling simplify_shift_const.
10790 2006-05-14 Roger Sayle <roger@eyesopen.com>
10792 PR rtl-optimization/22563
10793 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10794 a fixed width bitfield, always force the intermediates into psuedos.
10796 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10799 * mkconfig.sh: Use operator = instead of == for test.
10801 2006-05-13 Nick Clifton <nickc@redhat.com>
10803 * dwarf2out.c (dbx_reg_number): Check return value from
10804 LEAF_REG_REMAP and only use it if it is valid.
10805 (multiple_reg_loc_descriptor): Likewise.
10807 2006-05-13 Richard Guenther <rguenther@suse.de>
10809 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10812 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10814 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10815 information attached to non-INSNs such as NOTEs.
10816 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10818 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10820 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10822 * config/s390/s390.md: Adjust comment describing On constraint.
10824 2006-05-11 Jan Hubicka <jh@suse.cz>
10826 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10827 to be output at -O0.
10829 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10831 PR middle-end/27384
10832 * fold-const.c (size_binop): Move sanity check for arguments to
10833 the beginning of the function.
10835 PR middle-end/27488
10836 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10839 2006-05-11 Richard Guenther <rguenther@suse.de>
10841 PR middle-end/27529
10842 * fold-const.c (fold_unary): Handle intermediate conversion
10843 to a pointer type like intermediate conversion to an integer
10844 type in folding of (T1)(T2)var to var.
10845 Match the code to the comment in the final conversion for
10846 (T1)(T2)var to (T1)var regarding to type precision. Rather
10847 than disallow T1 being of pointer type, assert that both T1
10848 and var are of pointer type or not. Make sure not to fall
10849 over the frontends lazyness wrt array to pointer decay though.
10851 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10853 * arm.c (arm_struct_value_rtx): Delete.
10854 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10855 (arm_init_cumulative_args): Always initialize nregs to zero.
10857 2006-05-10 Richard Guenther <rguenther@suse.de>
10859 PR tree-optimization/27532
10860 * tree-object-size.c (plus_expr_object_size): Fix typo.
10862 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10865 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10866 ashrdi_const, ashrdi3): Use a scratch register.
10868 2006-05-10 Richard Guenther <rguenther@suse.de>
10870 PR tree-optimization/27302
10871 * fold-const.c (operand_equal_p): For two comparisons,
10872 try comparison of one comparison code swapped if that yields
10875 2006-05-10 Ben Elliston <bje@au.ibm.com>
10877 * tree-pretty-print.c (pretty_print_string): No need to handle
10878 '\0' as a special character.
10880 * tree.h: Include "hashtab.h".
10881 (iterative_hash_expr): Use hashval_t in its prototype.
10882 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10884 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10887 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10888 (hppa*64*-*-hpux11*): Ditto.
10889 (hppa[12]*-*-hpux11*): Ditto.
10891 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10894 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10896 2006-05-09 Michael Matz <matz@suse.de>
10898 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10899 host_extra_gcc_objs and host_xmake_file.
10900 (<*-*-linux*>): Don't overwrite host_xmake_file.
10901 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10902 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10903 (host_detect_local_cpu): Declare.
10904 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10905 * config/i386/i386.c (override_options): Handle -mtune=native
10907 * config/i386/x-i386: New file.
10908 * config/i386/driver-i386.c: New file.
10909 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10912 2006-05-09 Dirk Mueller <dmueller@suse.de>
10913 Richard Guenther <rguenther@suse.de>
10915 PR middle-end/27498
10916 * fold-const.c (fold_read_from_constant_string): Relax check
10917 for matching types to matching modes.
10919 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10921 PR rtl-optimization/27335
10922 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10925 2006-05-08 Chao-ying Fu <fu@mips.com>
10926 Richard Sandiford <richard@codesourcery.com>
10928 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10929 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10930 * config/mips/mips.md (UNSPEC_SCC): New constant.
10931 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10932 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10933 (mips_emit_compare): Use it.
10934 (mips_expand_vcondv2sf): New function.
10936 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10938 Fix PR tree-optimization/27093
10939 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10940 renaming when they become not-used_alone.
10942 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10944 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10945 relocation and relocation stubs.
10947 2006-05-08 Eric Christopher <echristo@apple.com>
10949 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10952 2006-05-08 Jan Hubicka <jh@suse.cz>
10954 PR middle-end/24561
10955 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10956 unused static functions are needed.
10958 2006-05-08 Roger Sayle <roger@eyesopen.com>
10961 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10962 of a reg_equiv_constant if the result is a legitimate constant.
10964 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10967 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10968 standard 80387 constants, raise the cost to prevent
10969 compress_float_constant() to generate load from memory.
10971 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10973 * config/arm/constraints.md (c): Fix a typo.
10975 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10978 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10981 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10983 (_mm_mwait): Likewise.
10985 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10987 (sse3_monitor): Make it 32bit only.
10988 (sse3_monitor64): New. 64bit monitor.
10990 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10993 * config/i386/i386.c (classify_argument): Skip fields with invalid
10996 2006-05-07 Richard Guenther <rguenther@suse.de>
10998 PR tree-optimization/27409
10999 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11000 Do not try to find zero-sized subvars.
11002 2006-05-07 Richard Guenther <rguenther@suse.de>
11004 PR tree-optimization/27136
11005 * tree-ssa-loop-niter.c (get_val_for): Correct function
11006 comment, assert requirements.
11007 (loop_niter_by_eval): Stop processing if the iterated
11008 value did not simplify.
11010 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11012 * opts.c (flag_see): remove its setting at -O3.
11014 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11016 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11017 * arm/constraints.md: New file.
11018 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11019 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11020 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11021 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11022 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11023 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11024 * arm.md: Include constraints.md.
11025 (thumb_movsi_insn): Use satisfies_constraint_J.
11026 (movhi, movqi): Use satisfies_constraint_I.
11028 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11030 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11031 for atmeg a645 device.
11033 2006-05-06 Richard Guenther <rguenther@suse.de>
11035 PR tree-optimization/27151
11036 * tree-vect-transform.c (vectorizable_condition): Punt on
11037 values that have a different type than the condition.
11039 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11042 * c-parser.c (c_parser_cast_expression): Only insert casts into
11043 hash table if pointer.
11044 * function.c (used_types_insert_helper): Rename from
11046 (used_types_insert): Call used_types_insert_helper.
11047 * function.h (used_types_insert): Accept only one argument.
11049 2006-05-05 David Edelsohn <edesohn@gnu.org>
11051 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11052 scratch with output modifier.
11054 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11057 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11058 with output modifier.
11060 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11063 * config/mips/mips.c (mips_symbolic_address_p): Return true
11064 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11065 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11067 2006-05-04 Richard Guenther <rguenther@suse.de>
11069 PR tree-optimization/14287
11070 PR tree-optimization/14844
11071 PR tree-optimization/19792
11072 PR tree-optimization/21608
11073 PR tree-optimization/27090
11074 * tree-ssa-pre.c (try_combine_conversion): New function.
11075 (compute_avail): After constructing the value-handle
11076 expression, use try_combine_conversion to combine NOP_EXPRs
11077 with previous value-handle expressions and use the result if it
11080 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11082 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11084 2006-05-04 Jan Hubicka <jh@suse.cz>
11086 PR middle-end/25962
11087 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11089 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11091 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11092 that this only matches CONST_INTs. All users changed to VOIDmode
11095 * config/bfin/bfin.c: Include "optabs.h".
11096 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11098 (enum bfin_builtins): Add a number of fractional and vector builtins.
11099 (bfin_init_builtins): Likewise.
11100 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11101 (safe_vector_operand, bfin_expand_binop_builtin,
11102 bfin_expand_unop_builtin): New functions.
11103 (bfin_expand_builtin): Handle the new builtins.
11104 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11107 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11110 * Makefile.in (OBJS-common): Add see.o.
11111 (see.o): Add dependencies.
11112 * common.opt (fsee): New flag for the see optimization was added.
11113 * opts.c (flag_see): Initialized.
11114 * passes.c (init_optimization_passes, pass_see): New pass.
11115 * rtl.h (see_main): Declaration as extern.
11116 * timevar.def (TV_SEE): New.
11117 * tree-pass.h (pass_see): Declaration as extern.
11118 * invoke.texi (-fsee): Document.
11119 * recog.c (validate_simplify_insn): New function.
11120 * recog.h (validate_simplify_insn): Declaration as extern.
11121 * df-problems.c (df_chain_dump): Check for NULL.
11123 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11124 Daniel Berlin <dberlin@dberlin.org>
11126 * cfgrtl.c (insert_insn_bb_end_new): New function.
11127 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11129 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11131 * df.h (struct web_entry): Moved from web.c.
11132 (union_defs): Declaration as extern.
11133 (unionfind_root): Likewise.
11134 (unionfind_union): Likewise.
11135 * web.c (struct web_entry): Moved to df.h.
11136 (unionfind_root): Remove static declaration.
11137 (unionfind_union): Likewise.
11138 (union_defs): Likewise and generalize to use callback function.
11139 (web_main): Update arguments for union_defs function call.
11141 2006-05-04 Richard Guenther <rguenther@suse.de>
11143 PR tree-optimization/26447
11144 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11145 produce SSA_NAME copies before the store stmt to avoid
11146 breaking exception handling.
11148 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11150 PR middle-end/27388
11151 * gimplify.c (omp_is_private): If var is shared in some outer context,
11152 return false instead of true. Stop searching on parallel context
11155 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11158 * coverage.c: Use get_gcov_unsigned_t() instead of
11159 unsigned_type_node all over.
11161 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11163 PR tree-optimization/27381
11164 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11165 maintain the same immediate_use links.
11166 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11167 node rather than segfaulting.
11169 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11172 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11173 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11174 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11176 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11178 Fix PR tree-optimization/26626
11179 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11181 * tree-ssa-operands.c (access_can_touch_variable): Allow
11182 typecasting through union pointers.
11184 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11187 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11188 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11189 to find if var will be a global variable even in the nested context.
11190 (omp_copy_decl): Only check for global variable at the end, it might
11191 be overridden in outer contexts.
11192 (scan_sharing_clauses): For global variables don't create a field.
11193 (lower_rec_input_clauses): Do nothing for global shared variables.
11194 Emit a barrier at the end of ILIST if there were any decls in both
11195 firstprivate and lastprivate clauses.
11196 (lower_send_clauses): Do nothing for global variables except for
11199 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11201 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11202 of the correct signedness is returned.
11204 2006-05-02 Jeff Law <law@redhat.com>
11206 PR tree-optimization/27364
11207 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11208 multiply expressions.
11210 2006-05-02 Tom Tromey <tromey@redhat.com>
11212 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11214 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11217 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11218 -mthumb -fPIC are used.
11220 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11221 Joshua Kinard <kumba@gentoo.org>
11224 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11225 with 64-bit pointers.
11227 2006-05-02 Paul Brook <paul@codesourcery.com>
11229 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11231 (create_fix_barrier): Check that a suitable barrier location is
11233 (arm_reorg): Include ftmp->address in allowable range of addresses.
11235 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11238 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11241 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11243 PR middle-end/27337
11244 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11245 around RESULT_DECL for result passed by reference.
11246 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11247 * omp-low.c (use_pointer_for_field): Don't look at
11248 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11249 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11250 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11251 time or var for passing by reference for
11252 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11253 TREE_ADDRESSABLE variables when passing by reference.
11255 * omp-low.c (dump_omp_region): Fix output formatting.
11257 PR middle-end/27328
11258 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11259 (expand_omp_parallel): Likewise.
11260 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11262 PR middle-end/27325
11263 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11264 on statement list containing also constructors and destructors.
11265 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11267 PR middle-end/27310
11268 * except.c (duplicate_eh_regions): Fix clearing of
11269 cfun->eh->region_array entries.
11271 2006-05-01 DJ Delorie <dj@redhat.com>
11273 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11275 (gcc_cv_objdump): Likewise.
11276 * configure: Regenerated.
11278 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11281 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11282 templates for case 3 and 4.
11284 2006-05-01 DJ Delorie <dj@redhat.com>
11286 * vec.c: Include bconfig.h when appropriate.
11287 * Makefile.in (build/vec.o): Adjust dependencies.
11288 * mkconfig.sh: Make sure config.h isn't used for build machine
11291 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11293 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11295 (mark_phi_for_rewrite): New function.
11296 (insert_phi_nodes_for, mark_use_interesting): Call
11297 mark_phi_for_rewrite.
11298 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11299 (update_ssa): Initialize and free phis_to_rewrite.
11301 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11303 PR rtl-optimization/27291
11304 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11305 folded to a constant.
11307 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11309 PR tree-optimization/27283
11310 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11311 not whole # of iteration descriptions.
11312 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11313 uses abnormal ssa name.
11314 (niter_for_single_dom_exit): Ditto.
11315 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11316 return just the number of iterations.
11318 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11320 PR tree-optimization/27144
11321 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11322 (record_estimate): Only record constant upper bound.
11323 (infer_loop_bounds_from_undefined): Call
11324 compute_estimated_nb_iterations just once.
11325 (proved_non_wrapping_p): Renamed to ...
11326 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11327 (convert_step_widening, scev_probably_wraps_p): Call
11328 n_of_executions_at_most instead of proved_non_wrapping_p.
11329 (substitute_in_loop_info): Do not replace values in bounds.
11330 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11333 2006-05-01 Richard Henderson <rth@redhat.com>
11336 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11337 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11340 2006-05-01 Roger Sayle <roger@eyesopen.com>
11342 * c-typeck.c (parser_build_binary_op): Don't call the function
11343 unsigned_conversion_warning to spot operand/result type overflow.
11344 (build_binary_op): Instead, call convert_and_check instead of
11345 convert to report the problem when the operands are promoted.
11346 * c-common.c (unsigned_conversion_warning): Make static.
11347 * c-common.h (unsigned_conversion_warning): Delete prototype.
11349 2006-05-01 Richard Guenther <rguenther@suse.de>
11351 PR tree-optimization/26726
11352 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11354 (find_interesting_uses_address): ... we work around here
11355 by folding INDIRECT_REFs in the substituted base.
11357 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11359 * omp-low.c (dump_omp_region): Add newlines.
11361 2006-04-30 Roger Sayle <roger@eyesopen.com>
11363 * common.opt (Woverflow): New command line option.
11364 * c-common.c (constant_expression_warning): Check warn_overflow.
11365 (overflow_waring): Pass OPT_Woverflow to warning.
11366 (unsigned_conversion_warning): Likewise.
11367 (convert_and_check): Likewise.
11368 * doc/invoke.texi: Document new command line option.
11370 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11372 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11373 TARGET_NO_FP_IN_TOC for section anchors.
11374 (optimization_options): Enable section anchors for all
11375 non-"Objective" languages.
11377 2006-04-28 Eric Christopher <echristo@apple.com>
11379 * config/darwin-c.c (darwin_ms_struct): Move this
11380 (darwin_set_default_type_attributes): and this...
11381 * config/darwin.c: ... here.
11382 * config/darwin.h (darwin_ms_struct): Declare.
11384 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11386 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11388 2006-04-28 Roger Sayle <roger@eyesopen.com>
11391 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11392 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11393 an unsigned HOST_WIDE_INT.
11394 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11396 (really_start_incremental_init): No need to call convert because
11397 bitsize_zero_node is already of type bitsizetype.
11398 (push_init_level): Extract the value of constructor_index as an
11399 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11400 (process_init_element): Likewise.
11402 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11404 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11405 value before passing to make_relative_prefix.
11407 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11409 PR middle-end/27260
11410 * builtins.c (expand_builtin_memset): Expand val in original mode.
11412 2006-04-27 Eric Christopher <echristo@apple.com>
11414 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11415 with #ifndef/#endif.
11416 * config/darwin-c.c (darwin_ms_struct): New.
11417 (darwin_pragma_ms_struct): Ditto.
11418 (darwin_set_default_type_attributes): Ditto.
11419 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11420 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11421 Register ms_struct pragma.
11422 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11423 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11424 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11425 darwin_set_default_type_attributes if TARGET_MACHO.
11427 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11429 PR tree-optimization/26854
11430 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11431 * doc/tree-ssa.texi: Update immuse iterator documentation.
11432 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11433 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11434 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11435 first_safe_imm_use, next_safe_imm_use): Remove.
11436 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11437 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11438 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11439 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11440 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11441 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11442 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11443 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11444 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11445 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11446 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11447 (perfect_nestify): Use new iterator.
11448 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11450 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11451 (next_imm_name): New field in struct immediate_use_iterator_d.
11452 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11453 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11454 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11455 * tree-cfg.c (replace_uses_by): Use new iterator.
11456 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11457 * tree-ssa-operands.c (correct_use_link): Remove.
11458 (finalize_ssa_use_ops): No longer call correct_use_link.
11460 2006-04-27 Stuart Hastings <stuart@apple.com>
11462 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11463 * config/t-darwin (crt3.o): Use it.
11464 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11465 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11466 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11467 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11468 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11471 2006-04-27 Roger Sayle <roger@eyesopen.com>
11473 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11474 size, force the intermediate into a new pseudo rather instead of
11475 performing both a bitwise AND and a bitwise IOR in memory.
11477 2006-04-27 Richard Guenther <rguenther@suse.de>
11479 PR rtl-optimization/26685
11480 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11481 this one "max-flow-memory-locations".
11483 2006-04-27 Richard Guenther <rguenther@suse.de>
11485 PR tree-optimization/25148
11486 * tree-vrp.c (compare_values): Remove code dealing with
11487 comparisons against type min/max value. Honour overflow
11488 and negative constants in code dealing with comparisons
11489 of plus and minus expressions.
11490 (value_inside_range): Use fold_binary with LE_EXPR and
11491 GE_EXPR rather than compare_values.
11493 2006-04-27 Dirk Mueller <dmueller@suse.de>
11495 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11498 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11500 * basic-block.h (safe_insert_insn_on_edge): Removed.
11501 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11503 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11504 Paolo Bonzini <bonzini@gnu.org>
11506 PR middle-end/27282
11507 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11508 (simplify_and_const_int): Same.
11510 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11512 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11514 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11517 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11518 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11519 cgraph_global_info_ready.
11521 PR middle-end/26913
11522 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11525 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11526 either decl or init is error_mark_node.
11528 PR middle-end/25989
11529 * tree-flow.h (struct omp_region): Add sched_kind.
11530 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11531 instead of extracting omp for data.
11532 (expand_omp_for): Save extracted sched_kind.
11534 2006-04-25 Roger Sayle <roger@eyesopen.com>
11536 * expmed.c (store_bit_field): Also check whether the bitsize is
11537 valid for the machine's "insv" instruction before moving the
11538 target into a pseudo for use with the insv.
11539 * config/i386/predicates.md (const8_operand): New predicate.
11540 * config/i386/i386.md (extv, extzv, insv): Use the new
11541 const8_operand predicate where appropriate.
11543 2006-04-25 DJ Delorie <dj@redhat.com>
11545 * doc/install.texi (Specific): Clarify that this is not a list of
11546 supported hosts or targets.
11548 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11550 PR rtl-optimization/26725
11551 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11552 block's BB_DIRTY flag.
11554 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11556 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11559 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11560 to print an integer.
11562 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11564 * varasm.c (align_variable): New function.
11565 (get_block_for_decl): Apply align_variable to DECL before
11566 calculating section information.
11567 (assemble_variable): Split out alignment computation.
11569 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11571 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11574 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11576 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11577 MODE_PARTIAL_INT mode.
11578 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11579 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11581 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11582 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11584 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11586 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11588 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11589 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11590 MACFLAG_IH): Likewise.
11591 (movstricthi_1): Renamed from "*movstricthi".
11592 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11593 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11594 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11595 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11596 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11597 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11598 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11599 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11600 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11601 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11602 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11603 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11604 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11605 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11606 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11608 * doc/rtl.texi (ss_ashift): Improve wording.
11610 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11612 * dwarf2out.c (verify_marks_clear): New.
11613 (prune_unused_types): Call verify_marks_clear initially, not
11616 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11618 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11619 * doc/rtl.texi: Document them.
11620 * simplify-rtx.c (simplify_unary_operation,
11621 simplify_binary_operation_1): Don't abort when we see them.
11623 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11626 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11627 * configure.ac: Completely disregard languages that are not
11629 * configure: Regenerated.
11631 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11632 Richard Guenther <rguenther@suse.de>
11634 PR tree-optimization/27236
11635 * tree-inline.c (copy_body_r): Make sure to copy
11636 TREE_THIS_VOLATILE flag.
11638 2006-04-24 Richard Guenther <rguenther@suse.de>
11640 PR middle-end/26869
11641 * tree-complex.c (update_parameter_components): Don't handle
11642 unused parameters which have no default def.
11644 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11645 Richard Guenther <rguenther@suse.de>
11647 PR tree-optimization/27218
11648 * tree-inline.c (expand_call_inline): Strip useless type
11649 conversions for the return slot address.
11651 2006-04-24 Richard Guenther <rguenther@suse.de>
11653 * cfgloop.h (struct loops): Remove unused field array. Reorder
11655 (LOOP_PREFETCH): Remove.
11657 2006-04-24 Richard Guenther <rguenther@suse.de>
11659 PR tree-optimization/22525
11660 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11661 variable, adjust types of generated expressions.
11663 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11665 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11666 (tree-vect-patterns.o): Likewise.
11667 (jump.o): Likewise.
11668 (cselib.o): Likewise.
11669 (loop-doloop.o): Likewise.
11670 (regclass.o): Likewise.
11671 (reload1.o): Likewise.
11672 (explow.o): Replace target.h with $(TARGET_H).
11673 (ipa-prop.o): Likewise.
11674 (ipa-cp.o): Likewise.
11675 (ipa-inline.o): Likewise.
11676 (reorg.o): Likewise.
11677 (reg-stack.o): Likewise.
11679 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11681 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11683 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11685 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11687 * configure.ac: Completely disregard languages that are not
11689 * configure: Regenerated.
11692 * c-common.h (c_build_bitfield_integer_type): Declare.
11693 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11694 * c-common.c (c_build_bitfield_integer_type): ... here.
11696 2006-04-23 Roger Sayle <roger@eyesopen.com>
11699 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11700 a SImode SUBREG of a floating point register after no_new_pseudos.
11702 2006-04-23 Roger Sayle <roger@eyesopen.com>
11704 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11705 identify potentially eliminable registers to additionally catch
11706 VIRTUAL_INCOMING_ARGS_REGNUM.
11707 (addsi3): Update the conditions on when to use addsi_small_int.
11709 2006-04-23 Roger Sayle <roger@eyesopen.com>
11712 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11713 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11714 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11716 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11718 * fold-const.c (range_predecessor): Use operand_equal_p
11719 as the predicate for equality.
11720 (range_successor): Likewise.
11722 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11725 * config/soft-fp/op-common.h: Fix a typo.
11727 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11729 PR libmudflap/26864
11730 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11731 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11733 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11735 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11737 * doc/tm.texi: Fix a typo.
11739 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11741 * dwarf2out.c (struct die_struct): Document that die_sib makes
11742 a circular linked list.
11743 (FOR_EACH_CHILD): New.
11744 (reverse_die_lists): Delete.
11745 (reverse_all_dies): Delete.
11746 (add_dwarf_attr): Correct documentation.
11747 (remove_child_with_prev): New.
11748 (remove_child_TAG): Update for change to die_struct, use
11749 remove_child_with_prev.
11750 (add_child_die): Update for change to die_struct.
11751 (splice_child_die): Use remove_child_with_prev and add_child_die.
11752 (print_die): Use FOR_EACH_CHILD.
11753 (die_checksum): Likewise.
11754 (assign_symbol_names): Likewise.
11755 (output_location_lists): Likewise.
11756 (build_abbrev_table): Likewise.
11757 (calc_die_sizes): Likewise.
11758 (mark_dies): Likewise.
11759 (unmark_dies): Likewise.
11760 (unmark_all_dies): Likewise.
11761 (output_die): Likewise.
11762 (prune_unused_types_mark): Likewise.
11763 (prune_unused_types_walk): Likewise.
11764 (same_die_p): Update for change to die_struct.
11765 (break_out_includes): Likewise.
11766 (prune_unused_types_prune): Likewise.
11767 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11768 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11769 it's already clear.
11770 (dwarf2out_finish): Don't call reverse_all_dies.
11772 2006-04-21 Eric Christopher <echristo@apple.com>
11774 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11775 in comments and function names.
11777 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11780 * c-typeck.c (digest_init): Robustify.
11782 * c-typeck.c (pop_init_level): Simplify.
11784 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11786 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11788 2006-04-21 Paul Brook <paul@codesourcery.com>
11790 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11791 hardware floating point.
11793 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11795 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11798 2006-04-21 Nick Clifton <nickc@redhat.com>
11800 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11803 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11806 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11807 C++ lang type in traceback table for Objective-C++.
11809 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11811 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11813 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11815 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11818 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11819 were errors. Remove check for erroneous objects.
11821 2006-04-20 Jeff Law <law@redhat.com>
11823 PR tree-optimization/26854
11824 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11825 checking for zero or one use.
11826 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11827 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11828 * tree-ssa-reassoc.c (negate_value): Similarly.
11829 (reassociate_bb): Similarly.
11831 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11833 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11834 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11835 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11837 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11839 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11840 fp regs if the last fp arg doesn't fit in regs.
11842 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11845 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11846 that the last insn has the REG_INC note.
11848 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11849 Nathan Sidwell <nathan@codesourcery.com>
11852 * stor-layout.c (update_alignment_for_field): Do not align
11854 (place_union_field): Place union field at the start of the union.
11855 (place_field): Move ERROR_MARK check later, and use the current
11856 allocation position to maintain monotonicity.
11858 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11860 * dominance.c: Include timevar.h.
11861 (calculate_dominance_info): Use TV_DOMINANCE.
11862 * timevar.def (TV_DOMINANCE): New timevar.
11863 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11865 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11867 PR rtl-optimization/14261
11868 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11869 move would be an INSV insn.
11870 (noce_process_if_block): Don't optimize if the destination is a
11871 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11873 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11875 * config/s390/s390.md: Add comments with the instructions emitted
11876 by an insn pattern if macros are used.
11878 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11880 PR rtl-optimization/26026
11881 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11882 is a known power of two shifted left a variable amount.
11884 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11886 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11887 to hash table twice when the debug_str section has SECTION_MERGE.
11889 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11891 * config/soft-fp: New directory. From glibc.
11892 * config/soft-fp/t-softfp: New.
11893 * config/soft-fp/README: New.
11894 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11895 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11896 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11897 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11898 * config.gcc: Use rs6000/t-fprules-fpbit or
11899 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11901 * config/rs6000/sfp-machine.h: New. Based on glibc.
11902 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11904 * config/rs6000/t-fprules: Remove fp-bit rules.
11905 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11906 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11907 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11908 (softfp_wrap_start, softfp_wrap_end): New.
11910 2006-04-18 DJ Delorie <dj@redhat.com>
11912 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11914 2006-04-18 Devang Patel <dpatel@apple.com>
11916 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11918 2006-04-18 Nick Clifton <nickc@redhat.com>
11920 * config/sh/t-symbian: Add rule to build sh-c.o
11921 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11922 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11923 (sh_symbian_encode_section_info): Likewise.
11925 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11927 * builtins.c (expand_builtin_strcmp): Cover label definition of
11928 do_libcall with HAVE_cmpstrnsi.
11930 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11932 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11934 * function.h (temp_slot_p): New.
11935 (function): Change the type of x_used_temp_slots to
11936 VEC(temp_slot_p,gc) *.
11938 2006-04-18 Nick Clifton <nickc@redhat.com>
11940 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11941 flag_strength_reduce.
11943 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11945 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11949 Partial revert of revision 112637
11950 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11951 Dale Johannesen <dalej@apple.com>
11954 * regclass.c (struct reg_pref): Update documentation.
11955 (regclass): Set prefclass to NO_REGS if memory is the best option.
11956 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11958 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11960 PR tree-optimization/26821
11961 * tree-ssa-math-opts.c (get_constant_one): New.
11962 (insert_reciprocals): Use it.
11964 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11966 * dwarf2out.c (free_AT): Delete.
11967 (remove_AT): Update string ref counts.
11968 (remove_child_TAG): Don't call free_die.
11969 (free_die): Delete.
11970 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11971 or DW_TAG_GNU_EINCL.
11972 (prune_unused_types_walk_attribs): Reset string refcounts.
11973 (prune_unused_types_update_strings): New.
11974 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11975 call free_die. Do call prune_unused_types_update_strings.
11976 (prune_unused_types): Empty debug_str_hash.
11978 2006-04-17 Roger Sayle <roger@eyesopen.com>
11980 * expr.c (expand_assignment): Optimize away no-op moves where the
11981 source and destination are equal and have no side-effects.
11983 2006-04-17 Richard Guenther <rguenther@suse.de>
11986 * reload.c (push_reload): Guard calls to get_secondary_mem
11987 for memory subregs.
11989 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11991 * alias.c (reg_base_value, old_reg_base_value): Change the
11992 type to VEC(rtx,gc) *.
11993 (REG_BASE_VALUE, find_base_value, record_set,
11994 init_alias_analysis): Use VEC instead of VARRAY.
11996 * alias.c (alias_sets): Change the type to
11997 VEC(alias_set_entry,gc) *.
11998 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11999 VEC instead of VARRAY.
12000 (last_alias_set): Remove.
12002 * cgraph.h (cgraph_edge_p): New.
12003 Update the prototype of cgraph_function_versioning.
12004 * cgraphunit.c (cgraph_copy_node_for_versioning,
12005 cgraph_function_versioning): Use VEC instead of VARRAY.
12006 * ipa-cp.c (ipcp_insert_stage): Likewise.
12008 2006-04-16 Roger Sayle <roger@eyesopen.com>
12011 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12012 "A op B" or "A op C", we may need to convert A to the type of B and C.
12014 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12016 * target.h (struct gcc_target): Add mode_rep_extended.
12017 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12018 (init_num_sign_bit_copies_in_rep): Initialize it using
12020 (truncate_to_mode): Use it.
12021 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12022 * targhooks.h (default_mode_rep_extended): Declare it.
12023 * targhooks.c (default_mode_rep_extended): Define it.
12024 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12025 default_mode_rep_extended.
12026 (TARGET_INITIALIZER): Include it.
12027 * doc/tm.texi (Misc): Document it.
12028 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12029 (mips_truncated_to_mode): New function.
12031 2006-04-16 Roger Sayle <roger@eyesopen.com>
12033 PR middle-end/25474
12034 * expr.c (compress_float_constant): Copy the narrow constant into
12035 a new pseudo before extending it to its final width.
12037 2006-04-16 Roger Sayle <roger@eyesopen.com>
12038 Andrew Pinski <pinskia@gcc.gnu.org>
12039 Dale Johannesen <dalej@apple.com>
12042 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12043 special case code to implement V8HImode and V16QImode with SSE2.
12045 2006-04-15 Roger Sayle <roger@eyesopen.com>
12047 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12048 trees are constructed with a suitable tree type.
12050 2006-04-15 Roger Sayle <roger@eyesopen.com>
12052 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12053 (integer_onep): Likewise.
12054 (integer_all_onesp): Likewise.
12055 (integer_pow2p): Likewise.
12056 (integer_nonzerop): Likewise.
12057 (real_zerop): Likewise.
12058 (real_onep): Likewise.
12059 (real_twop): Likewise.
12060 (real_minus_onep): Likewise.
12061 (int_size_in_bytes): Likewise.
12062 (host_integerp): Likewise.
12064 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12066 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12067 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12068 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12070 * tree-ssa-structalias.h (alias_info): Remove num_references.
12072 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12074 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12075 (output_bvb patterns): Likewise.
12076 * pa.c (output_bb): Use 'bb' insn for long branch case.
12077 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12078 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12079 1. Correct length operand for alternatives 1 and 2.
12080 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12081 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12083 2006-04-14 Roger Sayle <roger@eyesopen.com>
12085 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12086 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12087 were accidentally reverted by r112959.
12089 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12091 PR middle-end/26823
12092 * except.h (eh_region_outermost): New prototype.
12093 * except.c (eh_region_outermost): New function.
12094 * tree-cfg.c (find_outermost_region_in_block): Use it.
12096 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12098 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12100 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12101 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12102 (init_reload, reload): Use VEC instead of VARRAY.
12103 * reload.h: Update the prototype for
12104 reg_equiv_memory_loc_varray.
12106 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12107 Eric Botcazou <ebotcazou@libertysurf.fr>
12109 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12110 register save area.
12112 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12114 PR middle-end/27134
12115 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12116 to expand fallback builtin function call.
12118 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12120 PR middle-end/27095
12121 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12122 and emit libcall here in case the builtin fails.
12123 (expand_builtin_strcmp): Always emit the libcall here on failure.
12125 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12127 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12128 * flow.c (reg_n_info): Change the type to
12129 VEC(reg_info_p,heap) *.
12130 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12132 * regs.h (reg_info_p): New.
12133 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12134 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12135 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12138 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12140 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12142 * params.h (MAX_SCHED_READY_INSNS): New macro.
12143 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12144 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12145 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12146 the ready list for 1 cycle during the first scheduling pass.
12147 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12149 2006-04-13 Richard Henderson <rth@redhat.com>
12152 * gimple-low.c (lower_omp_directive): Remove dead code.
12153 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12154 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12155 * omp-low.c (struct omp_region): Move to tree-flow.h.
12156 (root_omp_region): Export.
12157 (omp_regions, lookup_omp_region): Remove.
12158 (determine_parallel_type): Update for struct omp_region changes.
12159 (dump_omp_region): Dump regions with block numbers.
12160 (new_omp_region): Take type and block instead of stmt; malloc
12162 (free_omp_region_1, free_omp_regions): New.
12163 (expand_parallel_call): Take entry_stmt as argument; update for
12164 changes to omp_region.
12165 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12166 (remove_exit_barriers): New.
12167 (expand_omp_parallel): Update for struct omp_region changes.
12168 (expand_omp_synch): Likewise.
12169 (expand_omp): Likewise.
12170 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12171 (expand_omp_for_static_chunk): Likewise.
12172 (expand_omp_for): Likewise.
12173 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12174 (expand_omp_sections): Similarly, with GOMP_sections_end.
12175 (expand_omp_single): New.
12176 (build_omp_regions_1): Update for OMP_CONTINUE.
12177 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12178 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12179 OMP_SECTIONS_SECTIONS.
12180 (lower_omp_single_simple): Don't emit barrier here.
12181 (lower_omp_single_copy): Likewise.
12182 (lower_omp_single): Fix bindings, and lower to straightline now.
12183 (lower_omp_master, lower_omp_ordered): Likewise.
12184 (lower_omp_critical): Likewise.
12185 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12186 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12187 omp edges, free it afterward.
12188 (make_omp_sections_edges): Remove.
12189 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12190 (move_stmt_r): Handle OMP_CONTINUE.
12191 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12192 statement pointers to basic blocks. Add type member.
12193 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12194 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12195 * tree-inline.c (estimate_num_insns_1): Likewise.
12196 * tree-pretty-print.c (dump_generic_node): Likewise.
12197 * tree-ssa-operands.c (get_expr_operands): Likewise.
12198 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12199 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12200 (OMP_CONTINUE): New.
12201 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12202 (OMP_SECTIONS_SECTIONS): Remove.
12203 (OMP_SECTION_LAST): New.
12204 (OMP_RETURN_NOWAIT): New.
12206 2006-04-13 Roger Sayle <roger@eyesopen.com>
12208 * fold-const.c (native_encode_vector, native_interpret_real):
12209 Correct obvious mistakes in the previous check-in.
12211 2006-04-13 Roger Sayle <roger@eyesopen.com>
12213 * fold-const.c (native_encode_expr): New function to encode
12214 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12215 or VECTOR_CST into a specified buffer.
12216 (native_encode_int): New function.
12217 (native_encode_real): New function.
12218 (native_encode_complex): New function.
12219 (native_encode_vector): New function.
12220 (native_interpret_expr): Inverse of native_encode_expr to convert
12221 a target representation into an INTEGER_CST, REAL_CST etc...
12222 (native_interpret_int): New function.
12223 (native_interpret_real): New function.
12224 (native_interpret_complex): New function.
12225 (native_interpret_vector): New function.
12226 (fold_view_convert_expr): New function to constant fold/evaluate
12227 a VIEW_CONVERT_EXPR of a suitable constant expression.
12228 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12229 Change call of build1 to fold_build1 when constructing a
12232 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12233 Ulrich Weigand <uweigand@de.ibm.com>
12236 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12239 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12242 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12243 optimize to lo_sum for DFmode if !TARGET_FPRS.
12245 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12247 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12248 delete_alias_info, compute_flow_sensitive_aliasing,
12249 group_aliases): Use VEC instead of VARRAY.
12250 * tree-ssa-structalias.c (update_alias_info): Likewise.
12251 * tree-ssa-structalias.h (alias_info): Change the type of
12252 processed_ptrs to VEC(tree,heap) *.
12254 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12257 * config/sh/lib1funcs.h: New file, broken out of:
12258 * config/sh/lib1funcs.asm.
12259 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12261 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12262 * config/sh/lib1funcs-Os-4-200.asm: New file.
12263 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12264 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12265 (EXTRA_MULTILIB_PARTS): Include it.
12266 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12267 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12268 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12269 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12272 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12274 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12275 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12276 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12278 * tree-ssa-live.h: Include vecprim.h.
12279 (tree_partition_associator_d): Change the type of
12280 first_partition to VEC(int,heap) *.
12281 (tpa_first_partition): Use VEC instead of VARRAY.
12283 * Makefile.in (GTFILES): Move functions.h after tree.h.
12284 * function.c (reset_block_changes, record_block_change,
12285 check_block_change, free_block_changes): Use VEC instead of
12287 * function.h (function): Change the type of
12288 ib_boundaries_block to VEC(tree,gc) *.
12289 * tree-inline.c (copy_cfg_body): Initialize
12290 ib_boundaries_block to NULL instead of (varray_type) 0.
12292 2006-04-12 Roger Sayle <roger@eyesopen.com>
12294 * expr.c (emit_group_store): Correct operand order in call to
12295 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12296 a SUBREG_BYTE of zero.
12298 2006-04-12 Richard Guenther <rguenther@suse.de>
12300 * profile.c (compute_branch_probabilities): Remove code
12301 encapsulated in !ir_type (), which are remanents of the
12302 removed RTL profiling code.
12303 * rtl-profile.c: Remove.
12305 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12307 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12308 magic NULL_RTX comment.
12309 (function_arg): Store entire fp arg to mem if any part should go
12311 (rs6000_arg_partial_bytes): Adjust for above change.
12313 2006-04-11 Roger Sayle <roger@eyesopen.com>
12315 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12316 if it hasn't been initialized by dwarf2out_init.
12318 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12320 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12321 symbolic constants in branch patterns.
12323 2006-04-11 Roger Sayle <roger@eyesopen.com>
12325 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12327 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12329 PR rtl-optimization/27073
12330 * gcse.c (try_replace_reg): Revert last change. Continue to search
12331 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12334 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12336 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12337 aggregate types other than record and union types.
12338 (function_arg): Likewise.
12339 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12341 (function_value): In 64-bit mode, return objects that require it
12344 2006-04-11 Roger Sayle <roger@eyesopen.com>
12346 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12348 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12350 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12352 2006-04-03 Jeff Law <law@redhat.com>
12355 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12356 alias information too.
12358 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12360 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12362 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12365 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12366 (premark_used_types_helper): New.
12367 (premark_used_types): New.
12368 (gen_subprogram_die): Call premark_used_types.
12369 (prune_unused_types_walk): Do not prune perennial dies.
12370 * function.c (used_types_insert): New.
12371 * function.h (struct function): Add used_types_hash field.
12372 (used_types_insert): Add prototype.
12373 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12374 * c-parser.c (c_parser_cast_expression): Save casted types in used
12377 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12380 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12381 rs6000_explicit_options.float_gprs.
12383 2006-04-10 Roger Sayle <roger@eyesopen.com>
12385 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12386 from ix86_expand_vector_init_low_nonzero. Take an additional
12387 one_var argument indicating which element is non-zero. Support
12388 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12389 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12390 with one_var instead of ix86_expand_vector_init_low_nonzero.
12392 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12394 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12395 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12396 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12397 build/genextract.o): Depend on vecprim.h.
12398 * cfglayout.c, df-problems.c, function.c, genextract.c,
12399 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12400 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12404 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12406 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12407 Declare VECs of this type.
12408 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12409 (remove_children): Delete.
12410 (add_dwarf_attr): Use VEC routines.
12411 (add_AT_flag): Update for changes to add_dwarf_attr.
12412 (add_AT_int): Likewise.
12413 (add_AT_unsigned): Likewise.
12414 (add_AT_long_long): Likewise.
12415 (add_AT_vec): Likewise.
12416 (add_AT_string): Likewise.
12417 (add_AT_die_ref): Likewise.
12418 (add_AT_fde_ref): Likewise.
12419 (add_AT_loc): Likewise.
12420 (add_AT_loc_list): Likewise.
12421 (add_AT_addr): Likewise.
12422 (add_AT_lbl_id): Likewise.
12423 (add_AT_lineptr): Likewise.
12424 (add_AT_macptr): Likewise.
12425 (add_AT_offset): Likewise.
12426 (add_AT_range_list): Likewise.
12427 (get_AT): Use VEC_iterate.
12428 (remove_AT): Use VEC_ordered_remove.
12429 (free_die): Fold remove_children into here; have it use VEC_iterate.
12430 (print_die): Use VEC_iterate on attrs.
12431 (reverse_die_lists): Don't reverse attr lists.
12432 (die_checksum): Use VEC_iterate on attrs.
12433 (same_die_p): Likewise.
12434 (output_location_lists): Likewise.
12435 (build_abbrev_table): Likewise.
12436 (size_of_die): Likewise.
12437 (unmark_all_dies): Likewise.
12438 (output_abbrev_section): Likewise.
12439 (output_die): Likewise.
12440 (prune_unused_types_walk_attribs): Likewise.
12442 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12444 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12446 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12449 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12451 2006-04-09 Roger Sayle <roger@eyesopen.com>
12453 * expr.c (store_constructor): Don't bother clearing target if
12454 we're about to assign a vector to it using vec_init_optab.
12456 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12458 * tree-ssa-alias.c (lhs_may_store_to): New function.
12459 (recalculate_used_alone): Handle LHS of calls.
12461 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12465 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12466 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12467 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12468 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12469 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12470 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12471 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12472 stubs. Add ".align 8" directives before all ".dword" directives.
12473 (GTHREAD_USE_WEAK): Revise comment.
12474 (TARGET_ATTRIBUTE_WEAK): Define.
12475 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12476 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12477 * stublib.c: New file.
12482 * pa.md (cbranch patterns): Revise arguments used in calls to
12483 output_cbranch, output_bb and output_bvd. Add long branch length
12485 (fbranch patterns): Handle long branches.
12486 (jump): Revise length check. Revise arguments for output_lbranch call.
12487 Add long branch length attributes.
12488 (decrement_and_branch_until_zero): Add long branch length attributes.
12489 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12490 Likewise. Revise arguments for output_parallel_addb and
12491 output_parallel_movb calls.
12492 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12493 output_parallel_movb and output_parallel_addb): Update prototypes.
12494 * pa.c (output_cbranch): Revise arguments. Correct handling of
12495 nullification in long branches.
12496 (output_lbranch): Add new argument to control extraction of delay
12498 (output_bb): Handle long branches.
12499 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12500 output_parallel_addb): Likewise.
12502 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12504 PR rtl-optimization/27073
12505 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12508 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12510 * tree.h (tree_memory_tag): Add old_used_alone.
12511 (SMT_OLD_USED_ALONE): New macro.
12512 * tree-ssa-alias.c (recalculate_used_alone): Stop
12513 marking things for renaming unnecessarily.
12515 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12517 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12518 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12519 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12520 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12521 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12522 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12523 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12524 spelling convensions.
12525 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12526 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12527 typos. Follow spelling conventions.
12529 2006-04-07 DJ Delorie <dj@redhat.com>
12531 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12532 passed on the stack.
12533 (m32c_init_cumulative_args): When a function returns a structure,
12534 always pass the pointer to that return area on the stack.
12535 (m32c_function_arg_advance): Don't increment the parameter number
12536 if we're processing the returned structure pointer.
12537 (pushm_info): Reverse order of registers.
12539 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12541 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12542 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12543 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12544 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12545 build_int_cst_type.
12546 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12547 chrec_fold_multiply): Same.
12548 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12549 force_expr_to_var_cost): Same.
12550 * tree-mudflap.c (mf_xform_derefs_1): Same.
12551 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12553 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12555 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12556 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12559 2006-04-07 Jan Hubicka <jh@suse.cz>
12561 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12563 2006-04-07 Richard Guenther <rguenther@suse.de>
12565 PR tree-optimization/26135
12566 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12567 loads for store copy-prop.
12568 (copy_prop_visit_stmt): Likewise.
12570 2006-04-05 Robert Millan <robertmh@gnu.org>
12572 * config/i386/linux.h: Add a comment to mark macros that are
12573 being overriden in config/k*bsd-gnu.h.
12574 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12576 * config/knetbsd-gnu.h: Ditto.
12578 2006-04-06 Jan Hubicka <jh@suse.cz>
12582 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12585 2006-04-06 Mike Stump <mrs@apple.com>
12587 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12588 for HAVE_nonlocal_goto to be consistent.
12589 (expand_builtin_nonlocal_goto): Likewise.
12590 (expand_builtin_strcmp): Use #ifdef instead of #if
12591 for HAVE_cmpstrnsi to be consistent.
12593 2006-04-05 DJ Delorie <dj@redhat.com>
12595 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12598 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12600 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12601 got-relative addressing for anything but SImode.
12603 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12604 even if the calling function doesn't modify them.
12606 2006-04-05 Richard Guenther <rguenther@suse.de>
12608 PR tree-optimization/26919
12609 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12610 to cgraph_estimate_size_after_inlining.
12612 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12614 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12616 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12618 PR tree-optimization/26996
12619 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12620 VECTOR_TYPE variables.
12622 2006-04-05 Richard Guenther <rguenther@suse.de>
12624 PR tree-optimization/26763
12625 * fold-const.c (fold_comparison): Move folding of
12626 PTR + CST CMP PTR + CST ...
12627 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12629 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12631 * doc/install.texi (Prerequisites): Refine some wording on
12632 bootstrapping and ksh.
12633 Move the version numbers of DejaGnu here from the testing section
12634 and fix casing of names.
12635 Fix markup and clarify wording for autogen requirements.
12636 Refer to GCJ instead of just java.
12637 Refer to SVN instead of CVS.
12638 Describe diffutils as useful instead of necessary.
12639 (Downloading the source): Refer to SVN instead of CVS.
12640 Adjust a link to our web site accordingly.
12641 (Configuration): Fix casing of Bison.
12642 (Building): Refer to SVN instead of CVS.
12643 Fix a sentence on the use of Bison and remove duplicate (and
12644 incorrect) version number of Bison requirement.
12645 Remove one redundant list of packages needed for building.
12646 (Specific): Avoid reference to CVS.
12648 2006-04-04 Eric Christopher <echristo@apple.com>
12650 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12651 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12652 (rs6000_handle_struct_attribute): New.
12653 (rs6000_ms_bitfield_layout_p): Ditto.
12655 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12657 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12658 NULL for dso parameter to atexit_common.
12660 2006-04-04 Eric Christopher <echristo@apple.com>
12662 * config/i386/i386.c (machopic_output_stub): Output \t
12663 between instructions and operands.
12665 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12667 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12668 satisfies_constraint_[IL] to explicit tests on value.
12670 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12672 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12673 set_nb_iterations_in_loop): Use build_int_cst instead of
12674 build_int_cst_type.
12675 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12676 build_int_cst instead of convert.
12678 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12680 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12681 new value 2 for incoming.
12682 * function.c (expand_function_start): Call struct_value_rtx
12683 with incoming as 2.
12684 * config/sparc/sparc.md: Comment updated_return.
12685 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12686 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12687 struct return if sparc_std_struct_return and incoming is 2.
12688 (print_operand): Do not adjust return if
12689 sparc_std_struct_return.
12691 2006-04-04 Roger Sayle <roger@eyesopen.com>
12693 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12694 convert in the middle-end.
12695 * expr.c (store_expr, store_constructor, get_inner_reference,
12696 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12698 * tree.c (build_range_type): Likewise.
12700 2006-04-04 Tom Tromey <tromey@redhat.com>
12702 * doc/install.texi (Prerequisites): Mention jar.
12704 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12706 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12709 2006-04-04 Matthias Klose <doko@debian.org>
12711 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12715 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12718 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12720 * doc/extend.texi (Function Attributes): Rewrite visibility
12721 attribute documentation.
12722 * doc/invoke.texi (C++ Dialect Options): Rewrite
12723 -fvisibility-inlines-hidden documentation to describe something
12724 entirely different, although in practise compatible.
12725 (Code Gen Options): Warn about system headers in -fvisibility=
12728 * doc/extend.texi (Other Builtins): Document that
12729 __builtin_nan is a compile-time constant only when its argument
12732 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12734 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12735 trying to remove TRUNCATE check if all bits outside the new mode
12736 are identical to the sign bit.
12738 2006-04-03 Jeff Law <law@redhat.com>
12740 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12741 and operand scanning in some common cases.
12743 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12744 Dale Johannesen <dalej@apple.com>
12747 * regclass.c (struct reg_pref): Update documentation.
12748 (regclass): Set prefclass to NO_REGS if memory is the best option.
12749 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12750 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12751 into account. For non-registers, equate an empty preferred
12752 reload class to a `!' in the constraint; move the if clause to
12753 do so after those that reject the insn.
12754 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12756 (find_dummy_reload): Likewise.
12757 * doc/tm.texi (Register Classes): Document what it means
12758 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12759 * config/i386/i386.c (ix86_preferred_reload_class): Force
12760 using SSE registers (and return NO_REGS for floating-point
12761 constants) if math is done with SSE.
12762 (ix86_preferred_output_reload_class): New.
12763 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12764 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12765 * config/i386/i386.md: Remove # register preferences.
12767 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12770 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12771 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12772 the type of nb_iter.
12773 (instantiate_parameters_1): Convert the operands before calling
12774 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12775 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12777 2006-04-02 Roger Sayle <roger@eyesopen.com>
12779 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12780 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12781 instead of convert.
12782 * dojump.c (do_jump): Likewise.
12783 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12784 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12785 gimplify_boolean_expr): Likewise.
12786 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12787 * varasm.c (array_size_for_constructor): Likewise.
12788 * tree-object-size.c (compute_object_offset): Likewise.
12790 2006-04-02 Roger Sayle <roger@eyesopen.com>
12792 PR middle-end/26977
12793 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12794 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12796 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12798 PR tree-optimization/26939
12799 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12801 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12803 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12804 at_stmt. Convert the type of operands before calling
12805 build_polynomial_chrec.
12806 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12807 add_to_evolution_1.
12808 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12809 (instantiate_parameters_1): Convert the type of operands before calling
12810 build_polynomial_chrec.
12811 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12812 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12813 reset_evolution_in_loop): Insert asserts to check the types of the
12815 (chrec_type): Moved...
12816 (eq_evolutions_p): Use operand_equal_p.
12817 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12818 the types of the operands.
12819 (chrec_type): ...here.
12820 * tree-data-ref.c (create_data_ref): Convert the operands before
12821 calling chrec_replace_initial_condition.
12822 (same_access_functions, analyze_subscript_affine_affine,
12823 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12824 (compute_subscript_distance, analyze_ziv_subscript,
12825 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12826 analyze_miv_subscript): Convert the operands before calling
12827 chrec_fold_minus or chrec_fold_plus.
12829 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12831 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12832 the dependence_relations vector.
12833 (compute_data_dependences_for_loop): Adjust call to
12834 compute_all_dependences.
12836 2006-04-01 Roger Sayle <roger@eyesopen.com>
12837 Richard Henderson <rth@redhat.com>
12839 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12840 gimple_boolify on the condition before calling gimplify_expr.
12842 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12844 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12845 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12846 the frame size. Update to use the new macros.
12847 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12848 * config/xtensa/ieee754-df.S: Likewise.
12850 2006-03-31 Richard Henderson <rth@redhat.com>
12852 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12853 (make_edges): ... here. Control fallthru creation with a local
12854 variable. Do not play with fake edges.
12855 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12856 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12859 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12861 * dwarf2.h (DW64_CIE_ID): Define.
12862 * dwarf2out.c (DWARF_CIE_ID): Define.
12863 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12864 length header. Use DWARF_CIE_ID.
12865 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12866 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12868 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12870 * config/sh/linux-atomic.asm: New file.
12871 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12873 2006-03-31 DJ Delorie <dj@redhat.com>
12875 * config/m32c/cond.md: Set condition flags properly throughout.
12876 * config/m32c/minmax.md: Likewise.
12877 * config/m32c/prologue.md: Likewise.
12878 * config/m32c/bitops.md: Likewise.
12879 * config/m32c/muldiv.md: Likewise.
12880 * config/m32c/mov.md: Likewise.
12881 * config/m32c/addsub.md: Likewise.
12882 * config/m32c/m32c.md: Likewise.
12883 * config/m32c/jump.md: Likewise.
12884 * config/m32c/shift.md: Likewise.
12886 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12887 conditionally output the pattern for this.
12888 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12889 (m32c_compare_redundant): New.
12890 (m32c_output_compare): New.
12891 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12893 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12894 dest, not src. Allow other 4-byte modes.
12896 2006-03-30 Denis Chertykov <denisc@overta.ru>
12898 * doc/md.texi: Refer to avr/constraints.md instead of
12901 2006-03-30 Roger Sayle <roger@eyesopen.com>
12903 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12904 signed vs. unsigned comparison failures on some hosts.
12906 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12909 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12910 change to FLOAT_REGS.
12912 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12913 (rs6000_override_options): Use it.
12914 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12915 only for -mabi=spe/no-spe and -mabi=altivec.
12917 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12919 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12922 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12924 * Makefile.in: Rename docdir to gcc_docdir.
12926 2006-03-30 Roger Sayle <roger@eyesopen.com>
12929 * expr.c (emit_group_store): Optimize group stores into a pseudo
12930 register by using a paradoxical subreg to initialize the destination
12931 if the first or last member of the group specifies a "low part".
12933 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12936 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12937 * target.h (struct gcc_target.speculate_insn): Change type of the
12938 second parameter to 'int'.
12939 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12940 the second operand of the DEPS_LIST.
12941 (copy_DEPS_LIST_list): Update reference to the second operand of the
12943 * rtl.h (alloc_DEPS_LIST): Update signature.
12944 * sched-int.h (ds_t): Change typedef to 'int'.
12945 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12947 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12949 * haifa-sched.c (try_ready): Change condition to restore
12950 non-speculative pattern of the instruction.
12951 (process_insn_depend_be_in_spec): Code to keep probability of the
12952 speculative dependence non-decreasing.
12954 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12956 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12957 (single_move_for_movmem): ... this. Also change all uses.
12958 (bfin_expand_strmov): Renamed to...
12959 (bfin_expand_movmem): ... this. Also change all uses.
12960 * config/bfin/bfin.md (movstrsi): Renamed to...
12961 (movstrsi): ...this.
12963 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12965 PR tree-optimization/26830
12967 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12968 (copy_prop_visit_stmt): Remove write-only variable ann.
12969 (init_copy_prop): Check variable loop depth here. Do not simulate
12970 memory-tag and virtual operand PHIs except for store copy prop.
12972 2006-03-30 Richard Guenther <rguenther@suse.de>
12974 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12975 variants with double arguments.
12977 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12979 * genpreds.c (write_tm_constrs_h): Delete variable p.
12980 * genconditions.c (write_header): Add tm-constrs.h to included
12982 * genpeep.c (main): Add toplev.h to included headers.
12983 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12984 (build/genpeep.o): Add toplev.h dependency.
12985 * config/rs6000/constraints.md: Add "W" constraint.
12987 2006-03-29 Roger Sayle <roger@eyesopen.com>
12989 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12990 sizes by correctly testing whether the size fits a host integer.
12991 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12992 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12993 SImode range for the default sizetype and bitsizetype.
12995 2006-03-29 Roger Sayle <roger@eyesopen.com>
12997 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12998 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12999 quickly if the argument is already of the correct type.
13000 Call fold_build1 instead of build1. Tidy up blank lines.
13002 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13004 * genemit.c (main): Add tm-constrs.h to included headers.
13005 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13006 * genpeep.c (main): Add tm-constrs.h to included headers.
13007 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13008 (write_tm_constrs_h): this and write complete file.
13009 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13010 (write_insn_preds_c): Add tm-constrs.h to included headers.
13011 (gen_constrs): New variable.
13012 (parse_option): Parse "-c".
13013 (main): Invoke write_tm_constrs_h.
13014 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13015 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13016 (object_out_file): Add tm-constrs.h dependency.
13017 (insn-emit.o): Same.
13018 (insn-output.o): Same.
13019 (insn-peep.o): Same.
13020 (insn-preds.o): Same.
13021 (insn-recog.o): Same.
13022 (tm-constsr.h): New target.
13023 (s-constrs-h): New target.
13025 * config/rs6000/constraints.md: New file.
13026 * config/rs6000/rs6000.c: Include tm-constrs.h.
13027 (num_insn_constant_wide): Convert to satisfies_constraint.
13028 (rs6000_rtx_costs): Convert to satisfies_constraint.
13029 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13030 (CONST_OK_FOR_LETTER_P): Delete.
13031 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13032 (EXTRA_CONSTRAINT): Delete.
13033 (EXTRA_MEMORY_CONSTRAINT): Delete.
13034 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13035 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13036 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13037 satisfies_constraint.
13039 * config/i386/i386.c: Include tm-constrs.h.
13041 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13043 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13044 * tree-data-ref.c (find_data_references_in_loop,
13045 compute_data_dependences_for_loop): Use pointers to VEC.
13046 (analyze_all_data_dependences): Adjust calls.
13047 * tree-data-ref.h (find_data_references_in_loop,
13048 compute_data_dependences_for_loop): Adjust declarations.
13049 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13050 compute_data_dependences_for_loop.
13052 2006-03-29 Paul Brook <paul@codesourcery.com>
13054 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13055 (movdf_vfp): Ditto.
13057 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13059 PR tree-optimization/26859
13060 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13062 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13063 for the step after fold_convert.
13065 2006-03-29 Paul Brook <paul@codesourcery.com>
13067 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13068 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13070 2006-03-29 Paul Brook <paul@codesourcery.com>
13072 PR middle-end/23623
13073 * targhooks.c (default_narrow_bitfield): New fuction.
13074 * targhooks.h (default_narrow_bitfield): add prototype.
13075 * target.h (gcc_target): Add narrow_volatile_bitfield.
13076 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13077 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13078 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13079 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13081 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13083 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13085 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13086 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13087 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13088 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13089 (s390_function_arg_float): Allow SDmode and DDmode values to be
13090 passed in floating point registers.
13091 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13092 check with SCALAR_FLOAT_MODE_P.
13093 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13095 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13097 PR tree-optimization/25985
13098 * tree-ssa-loop-niter.c (number_of_iterations_le,
13099 number_of_iterations_ne): Make comments more precise.
13100 (number_of_iterations_cond): Add only_exit argument. Use the
13101 fact that signed variables do not overflow only when only_exit
13103 (loop_only_exit_p): New.
13104 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13105 number_of_iterations_cond.
13107 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13109 PR tree-optimization/26643
13110 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13113 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13115 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13116 (divsi3_i4_int): Likewise.
13118 2006-03-28 Roger Sayle <roger@eyesopen.com>
13120 * expr.c (emit_group_store): Only create a new pseudo reg if the
13121 quantity it needs to hold isn't already a suitable pseudo.
13123 2006-03-28 Jeff Law <law@redhat.com>
13125 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13126 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13128 2006-03-28 Roger Sayle <roger@eyesopen.com>
13130 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13131 the equivalent ~X & Y, and the symmetry related transformations.
13132 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13133 ~X & Y, and symmetry related transforms.
13135 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13137 Revert my 2006-03-27 patches.
13139 2006-03-28 Roger Sayle <roger@eyesopen.com>
13141 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13142 ~(T1)X, when T1 and T2 are integer types of the same precision
13143 and (T2)X isn't an extension.
13145 2006-03-28 Jeff Law <law@redhat.com>
13147 PR tree-optimization/26796
13148 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13149 need EH edge cleanups rather than purging them immediately.
13150 (eliminate_degenerate_phis): Handle queued EH cleanups.
13152 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13154 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13157 2006-03-27 Roger Sayle <roger@eyesopen.com>
13159 PR middle-end/22524
13160 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13161 cast BIT_NOT_EXPR operand to the correct type.
13163 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13165 * tree-loop-linear.c: Don't include varray.h.
13166 (gather_interchange_stats, try_interchange_loops,
13167 linear_transform_loops): Use VEC instead of VARRAY.
13168 * lambda-mat.c: Don't include varray.h.
13169 * tree-chrec.c: Same.
13170 * lambda-trans.c: Same.
13171 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13172 VEC instead of VARRAY.
13173 * tree-vectorizer.h: Idem.
13174 * tree-data-ref.c (dump_data_references,
13175 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13176 initialize_data_dependence_relation, finalize_ddr_dependent,
13177 compute_all_dependences, find_data_references_in_loop,
13178 compute_data_dependences_for_loop, analyze_all_data_dependences,
13179 free_dependence_relation, free_dependence_relations,
13180 free_data_refs): Idem.
13181 * tree-data-ref.h (data_reference_p, subscript_p): New.
13182 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13183 VEC instead of VARRAY.
13184 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13185 (find_data_references_in_loop, compute_data_dependences_for_loop,
13186 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13187 dump_data_dependence_relations, free_dependence_relations,
13188 free_data_refs): Adjust declaration.
13189 (lambda_transform_legal_p): Move declaration here...
13190 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13191 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13192 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13193 vect_analyze_data_refs): Use VEC instead of VARRAY.
13194 * lambda.h (lambda_transform_legal_p): ...from here.
13195 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13196 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13197 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13198 tree-chrec.o): Don't depend on VARRAY_H.
13200 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13202 * rtl.def (Copyright): Update date.
13203 (DEPS_LIST): Change type of the second operand to 'int'.
13204 * target.h (Copyright): Update date.
13205 (struct gcc_target.speculate_insn): Change type of the second parameter
13207 * lists.c (Copyright): Update date.
13208 (alloc_DEPS_LIST): Change signature. Update reference to the second
13209 operand of the DEPS_LIST.
13210 (copy_DEPS_LIST_list): Update reference to the second operand of the
13212 * rtl.h (Copyright): Update date.
13213 (alloc_DEPS_LIST): Update signature.
13214 * sched-int.h (Copyright): Update date.
13215 (ds_t): Change typedef to 'int'.
13216 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13218 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13220 * haifa-sched.c (Copyright): Update date.
13221 (try_ready): Change condition to restore non-speculative pattern
13222 of the instruction.
13223 (process_insn_depend_be_in_spec): Code to keep probability of the
13224 speculative dependence non-decreasing.
13226 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13228 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13229 shut up the compiler.
13231 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13233 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13234 to use lib prefix for target.
13235 ($(T)libic_invalidate_array_4-200.a): Likewise.
13236 ($(T)libic_invalidate_array_4a.a): Likewise.
13238 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13239 J"orn Rennecke <joern.rennecke@st.com>
13241 * superh.opt: New file.
13242 * sh.c (boardtype, osruntime): Remove.
13243 * superh.h (SUBTARGET_OPTIONS): Remove.
13244 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13246 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13247 arguments with ^ and/or [].
13249 * config.gcc (sh-*-*): Add quoting to account for quirk of
13251 Replace == with = in enable_incomplete_targets test.
13253 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13254 with MASK_LITTLE_ENDIAN.
13256 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13257 * config/sh/sh.opt: Added to some comments.
13258 * config/sh/superh.h: Removed some chaff.
13260 * config/sh/sh.opt: Add m4-[1234]00* options.
13261 * config/sh/sh.c (sh_handle_option): Likewise.
13262 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13263 (ic_invalidate_array_4-100.o): New rule.
13264 ($(T)libic_invalidate_array_4-100.a): Likewise.
13265 (ic_invalidate_array_4-200.o): Likewise.
13266 ($(T)libic_invalidate_array_4-200.a): Likewise.
13267 (ic_invalidate_array_4a.o): Likewise.
13268 ($(T)libic_invalidate_array_4a.a): Likewise.
13269 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13270 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13272 * config/sh/crt1.asm: Merged in profiling code.
13273 * config/sh/superh.h (STARTFILE_SPEC): Override.
13274 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13275 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13276 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13278 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13279 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13280 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13282 * sh.opt (mpretend-cmove): New option.
13283 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13284 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13285 (movsicc): Add TARGET_PRETEND_CMOVE code.
13287 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13289 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13290 s390_class_max_nregs): New function prototypes.
13291 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13292 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13293 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13294 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13296 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13298 * dwarf2out.c (add_location_or_const_value_attribute): Call
13299 tree_add_const_value_attribute if nothing else works.
13300 (reference_to_unused): New.
13301 (rtl_for_decl_init): Use reference_to_unused to decide whether
13302 to output an initializer.
13304 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13307 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13308 peephole removing spe frob_di_df_2.
13310 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13312 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13313 (subscript_dependence_tester_1): Declared.
13314 (print_dir_vectors, print_dist_vectors): New.
13315 (debug_data_dependence_relation): New.
13316 (dump_data_dependence_relation): Print more details.
13317 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13318 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13319 (save_dist_v, save_dir_v, add_outer_distances,
13320 build_classic_dist_vector_1): New.
13321 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13322 Don't test for lambda_vector_lexico_pos.
13323 (same_access_functions, add_multivariate_self_dist,
13324 add_other_self_distances, dir_from_dist): New.
13325 (build_classic_dir_vector): Replace implementation almost identical to
13326 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13328 (subscript_dependence_tester_1): New.
13329 (subscript_dependence_tester): Handle the lexicographically negative
13330 distance vectors by recomputing the dependence relation.
13331 (compute_affine_dependence): Remove parameter loop_nest_depth.
13332 (compute_self_dependence): Don't call compute_subscript_distance.
13333 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13334 Add a parameter for the loop_nest.
13335 (find_loop_nest_1, find_loop_nest): New.
13336 (compute_data_dependences_for_loop): Compute the loop nest, and give
13337 up if the nest is not well formed.
13338 * tree-data-ref.h (loop_p): New.
13339 (struct data_dependence_relation): Replace size_vect field with
13340 loop_nest, a vec of loops.
13341 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13342 (DDR_LOOP_NEST): New.
13343 (print_dir_vectors, print_dist_vectors,
13344 debug_data_dependence_relation): Declared.
13345 (index_in_loop_nest): New.
13346 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13347 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13350 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13352 * simplify-rtx.c (simplify_relational_operation): Call
13353 simplify_relational_operation_1 even if mode is VOIDmode.
13355 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13357 PR tree-optimization/26804
13358 * tree.h (DECL_CALL_CLOBBERED): New macro.
13359 (tree_decl_common): Add call_clobbered_flag.
13360 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13361 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13362 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13363 (mark_non_addressable): Ditto.
13364 * tree-ssa.c (verify_call_clobbered): New function.
13365 (verify_alias_info): Use it.
13366 * tree-pass.h (pass_reset_cc_flags): New prototype.
13367 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13368 (reset_cc_flags): New function.
13369 * passes.c (init_optimization_passes): Call reset_cc_flags after
13370 initializing referenced_vars.
13372 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13373 Roger Sayle <roger@eyesopen.com>
13375 PR middle-end/26717
13376 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13377 to 1.0 for non-real operands. Implement A / A optimization for
13380 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13382 * config/i386/i386.c (size_cost): Correct the comment for
13383 cost of storing fp registers.
13384 (i386_cost): Likewise.
13385 (i486_cost): Likewise.
13386 (pentium_cost): Likewise.
13387 (pentiumpro_cost): Likewise.
13388 (k6_cost): Likewise.
13389 (athlon_cost): Likewise.
13390 (k8_cost): Likewise.
13391 (pentium4_cost): Likewise.
13392 (nocona_cost): Likewise.
13393 (generic64_cost): Likewise.
13394 (generic32_cost): Likewise.
13396 2006-03-24 Denis Chertykov <denisc@overta.ru>
13398 * config/avr/avr-protos.h (extra_constraint): Delete.
13399 (extra_constraint_Q): New declaration.
13400 * config/avr/constraints.md: New file.
13401 * config/avr/avr.md: Include it.
13402 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13403 (TMP_REGNO, ZERO_REGNO): Likewise.
13404 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13405 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13406 (extra_constraint): Delete.
13407 (extra_constraint_Q): Test for memory constraint 'Q'.
13408 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13409 (REG_CLASS_FROM_LETTER): Delete.
13410 (CONST_OK_FOR_LETTER_P): Delete.
13411 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13412 (EXTRA_CONSTRAINT): Delete.
13413 (TMP_REGNO): Delete.
13414 (ZERO_REGNO): Delete.
13416 2006-03-24 Jeff Law <law@redhat.com>
13418 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13419 directly. Call mark_new_vars_to_rename slightly earlier.
13421 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13423 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13424 (is_cxx): Likewise.
13425 (gen_compile_unit_die): Use new language types for Objective-C and
13427 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13428 DW_LANG_C_plus_plus.
13431 * config/t-darwin (crt3.o): Work around bug 26840.
13432 * config/darwin-crt3.c: Rewrite.
13433 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13435 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13437 * doc/invoke.texi: Document -femit-class-debug-always
13438 * common.opt: Add -femit-class-debug-always.
13440 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13442 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13443 index and base register.
13444 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13445 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13446 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13447 REGNO_OK_FOR_INDEX_P.
13448 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13450 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13451 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13452 REG_OK_FOR_BASE_P): Definitions removed.
13454 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13456 PR middle-end/26611
13457 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13458 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13459 set yet or weren't marked as local yet.
13461 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13463 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13466 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13468 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13469 (rs6000_legitimate_small_data_p): Delete.
13470 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13471 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13472 and make static. Add forward declaration. Update uses.
13473 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13474 of offsettable_memref_p.
13475 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13476 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13478 2006-03-24 Jeff Law <law@redhat.com>
13480 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13481 around bug in immediate-use iterator.
13483 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13486 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13487 or __LITTLE_ENDIAN__.
13489 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13491 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13492 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13493 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13494 * config/sh/sh.opt (mdiv=): Amend description.
13495 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13496 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13497 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13498 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13499 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13500 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13501 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13502 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13503 TARGET_DIVIDE_CALL_FP.
13505 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13507 * haifa-sched.c (choose_ready): Fix type of the local variable.
13508 Move local variables. Add comment.
13509 (check_reg_live): Change signature. Make callable from debugger.
13510 * sched-int.h (check_reg_live): Update signature.
13511 * sched-ebb.c (check_reg_live): Update parameters.
13512 * sched-rgn.c (check_reg_live): Ditto.
13513 (region_head_or_leaf_p): Check pointer before dereferencing.
13514 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13515 before reload on optimization levels below 1.
13517 2006-03-23 Richard Henderson <rth@redhat.com>
13519 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13523 * config/alpha/predicates.md (local_symbolic_operand): Reject
13526 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13529 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13530 expressions which have overflowed constants.
13532 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13534 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13536 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13538 * cfgloopmanip.c (create_loop_notes): Removed.
13539 * final.c (final_scan_insn): Do not handle loop notes.
13540 * jump.c (squeeze_notes): Ditto.
13541 * cfglayout.c (skip_insns_after_block,
13542 duplicate_insn_chain): Ditto.
13543 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13545 * cfgloop.h (create_loop_notes): Declaration removed.
13547 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13549 * varasm.c (output_constant_pool): Restore fnname and fndecl
13551 (assemble_start_function): Adjust call accordingly.
13552 (assemble_end_function): Likewise.
13554 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13557 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13560 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13562 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13565 * system.h (ICE_EXIT_CODE): New macro.
13566 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13567 (diagnostic_action_after_output): Likewise.
13568 * gcc.c (fatal_ice): New function.
13569 (execute): Use it instead of fatal.
13570 (fancy_abort): Likewise.
13571 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13573 2006-03-22 Jeff Law <law@redhat.com>
13575 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13576 iv_analyze_result returning false.
13578 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13580 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13582 2006-03-22 Richard Henderson <rth@redhat.com>
13584 PR middle-end/26084
13585 * except.c (duplicate_eh_regions_0): New.
13586 (duplicate_eh_region_1): Duplicate the children of the node as
13587 well as the node itself. Link them up properly.
13588 (duplicate_eh_region_2): Merge into ...
13589 (duplicate_eh_regions): ... here. Take copy_region argument, and
13590 copy only a sub-tree if asked. Simplify copying and fixup.
13591 (eh_region_outer_p): New.
13592 * except.h (duplicate_eh_regions): Update decl.
13593 (eh_region_outer_p): Declare.
13594 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13595 (lower_omp_master): Likewise.
13596 (lower_omp_ordered): Likewise.
13597 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13598 (move_stmt_r): Use it to remap labels. Handle recursion vs
13599 remap_decls_p properly.
13600 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13601 (find_outermost_region_in_block): New.
13602 (new_label_mapper): New.
13603 (move_sese_region_to_fn): Copy eh information to the new function
13605 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13607 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13610 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13612 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13613 into shared libraries.
13615 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13617 * doc/md.texi: Refer to i386/constraints.md instead of
13618 i386/predicates.md.
13619 * config/i386/constraints.md: New file, extracted from...
13620 * config/i386/predicates.md: ...here.
13621 * config/i386/i386.md: Include constraints.md.
13623 2006-03-21 Jason Merrill <jason@redhat.com>
13625 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13627 PR middle-end/20297
13628 * expr.c (init_block_move_fn): Force default visibility.
13629 (init_block_clear_fn): Likewise.
13630 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13631 * targhooks.c (default_external_stack_protect_fail): Likewise.
13633 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13635 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13636 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13637 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13638 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13639 (loadgp): Use mips_current_loadgp_style.
13640 (loadgp_noshared): New pattern.
13641 (sibcall_internal): Use MIPS_CALL.
13642 (sibcall_value_internal): Likewise.
13643 (sibcall_value_multiple_internal): Likewise.
13644 (call_internal): Likewise.
13645 (call_value_internal): Likewise.
13646 (call_value_multiple_internal): Likewise.
13647 (call_split): Use MIPS_CALL and add an 'S' constraint.
13648 (call_value_split): Likewise.
13649 (call_value_multiple_split): Likewise.
13650 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13651 (-mshared): New option.
13652 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13653 (mips_current_loadgp_style): Declare.
13654 * config/mips/mips.c (mips_classify_symbol): Avoid using
13655 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13656 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13657 TARGET_ABSOLUTE_ABICALLS.
13658 (override_options): Adjust comments. Improve the warning that is
13659 issued when -mabicalls and -G are used together.
13660 (mips_file_start): Remove comment.
13661 (mips_current_loadgp_style): New function.
13662 (mips_gnu_local_gp): New variable.
13663 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13665 (mips_output_function_prologue): Use mips_current_laodgp_style.
13666 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13667 the cprestore instruction.
13668 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13669 live for TARGET_ABSOLUTE_ABICALLS.
13670 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13671 (ASM_SPEC): Pass down -mshared and -mno-shared.
13672 (MIPS_CALL): New macro.
13673 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13675 * doc/invoke.texi (-mabicalls): Update documentation.
13676 (-mshared): Document.
13678 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13680 * config/ia64/unwind-hpux.c: New file.
13681 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13683 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13686 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13688 2006-03-21 Jeff Law <law@redhat.com>
13690 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13691 type conversions of a VR_VARYING source to a wider type.
13693 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13695 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13696 tm_file on Solaris 10 and later.
13697 (sparc64-*-solaris2*): Likewise.
13698 (sparc-*-solaris2*): Likewise.
13699 * config/sol26.h: Rename to config/sol2-6.h.
13700 * config/sol2-10.h: New file.
13702 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13705 * tree-ssa-pre.c (create_component_ref_by_pieces):
13708 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13711 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13712 return it immediately.
13714 2006-03-21 Michael Matz <matz@suse.de>
13716 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13718 (remove_arc, add_arc): Update num_out_arcs member.
13719 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13721 (cache_presence): New function.
13722 (compare_states_for_equiv): New function.
13723 (state_is_differed): Don't take number of outargs, adjust callers.
13724 Use new invariant for speeding up.
13725 (init_equiv_class): Create initial classes based on sorted
13727 (partition_equiv_class): Don't track out_arcs_num.
13728 (evaluate_equiv_classes): Call cache_presence on all states and
13731 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13733 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13734 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13735 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13736 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13738 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13739 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13740 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13741 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13742 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13744 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13745 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13746 (REGNO_REG_CLASS): ARGP is in PREGS.
13747 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13749 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13750 to deal with those addresses.
13751 * addresses.h: New file.
13752 * caller-save.c: Include "addresses.h".
13753 (init_caller_save): Use new base_reg_class function.
13754 * rtl-factoring.c: Include "addresses.h".
13755 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13756 * recog.c: Include "addresses.h".
13757 (preprocess_constraints): Use new base_reg_class function.
13758 * regrename.c: Include "addresses.h".
13759 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13760 functions. Keep track of a new var INDEX_CODE to compute valid
13762 (replace_oldest_value_addr): Likewise.
13763 (replace_oldest_value_mem): Use base_reg_class.
13764 * reload.c: Include "addresses.h".
13765 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13766 (find_reloads): Use new base_reg_class function.
13767 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13768 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13769 all callers and prototype changed.
13770 * reload1.c: Include "addresses.h".
13771 (maybe_fix_stack_asms): Use base_reg_class.
13772 * regclass.c: Include "addresses.h".
13773 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13774 (init_reg_autoinc): Use new base_reg_class function.
13775 (record_reg_classes): Likewise.
13776 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13777 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13778 Use new args to compute necessary class.
13780 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13781 regrename.o, rtl-factoring.o): Update dependencies.
13782 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13783 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13784 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13785 REG_OK_FOR_INDEX_P): Delete documentation.
13787 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13789 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13790 from V7 to V9 for Solaris 7 and above.
13792 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13794 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13795 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13796 argument pointers may not alias any other storage.
13797 * common.opt: Define option -fargument-noalias-anything.
13798 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13799 alias semantics is specified by flag_argument_noalias > 2.
13801 2006-03-20 Jeff Law <law@redhat.com>
13803 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13804 (pass_phi_only_cprop): Declare.
13805 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13806 with phi_only_cprop
13807 * tree-ssa-dom.c (degenerate_phi_result): New function.
13808 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13809 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13810 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13811 (eliminate_degenerate_phis): Likewise.
13812 (pass_phi_only_cprop): New pass descriptor.
13813 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13814 support code. Callers updated.
13815 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13816 (store_copy_prop): Likewise.
13817 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13819 2006-03-20 Jason Merrill <jason@redhat.com>
13822 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13823 (push_visibility, pop_visibility): Likewise.
13824 * c-pragma.h: Declare them.
13826 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13828 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13830 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13831 parameter and use get_ebb_head_tail.
13832 (sh_md_init_global): Adjust uses of find_regmode_weight.
13834 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13836 * function.h (struct function) <x_tail_recursion_reentry>:
13837 Rename to x_stack_check_probe_note.
13838 (tail_recursion_reentry): Rename to stack_check_probe_note.
13839 * function.c: Replace tail_recursion_reentry with
13840 stack_check_probe_note everywhere.
13841 (expand_function_start): Only emit a note for
13842 stack_check_probe_note with -fstack-protect.
13843 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13845 * emit-rtl.c (remove_unnecessary_notes): Remove.
13846 (pass_remove_unnecessary_notes): Remove.
13847 * rtl.h (remove_unnecessary_notes): Remove prototype.
13848 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13849 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13850 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13852 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13855 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13856 (valid_in_set): Handle ARRAY_REF.
13857 Change "if min_variant or VH" to asserts.
13858 (create_component_ref_by_pieces): Handle ARRAY_REF.
13859 (create_expression_by_pieces): Likewise.
13860 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13862 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13864 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13865 is operand of switch, not str[0].
13867 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13869 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13870 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13872 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13874 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13875 end of insn_extra_address_constraint declaration.
13877 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13879 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13880 (no-sum-in-toc): Same.
13881 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13883 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13884 NO_FP_IN_TOC for -fPIC instead of mask.
13886 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13887 (BOOT_LDFLAGS): Delete.
13889 * config/rs6000/t-aix52: Same.
13891 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13892 (stmsi[345678]_power): New.
13894 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13896 * config/ia64/ia64.opt: Add empty line to end of file.
13898 2006-03-17 Richard Guenther <rguenther@suse.de>
13900 PR middle-end/26721
13901 * builtins.c (get_pointer_alignment): For component style references
13902 adjust alignment to the component type alignment. Make sure
13903 to adjust alignment for component access of constants.
13905 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13907 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13908 unconditional jump.
13910 2006-03-17 Paul Brook <paul@codesourcery.com>
13912 * doc/install.texi: Docuemnt --with-mode.
13913 * config.gcc: Add --with-mode for arm*-*-*.
13914 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13916 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13918 * sh.c (max_labelno_before_reorg): New variable.
13919 (sh_reorg): Initialize it.
13920 (find_barrier): Check max_labelno_before_reorg before using
13921 label_to_alignment. Take length of explicit alignment insns
13922 into account. When seeing a UNSPECV_CONST_END, return it.
13924 * sh.c (fixup_mova): Set mode of affected label to QImode.
13925 (untangle_mova): New function.
13926 (find_barrier): Use it. Check mode of label before decrementing
13928 (sh_reorg): Likewise.
13929 Set mode of all insns back to VOIDmode.
13931 * sh.c (MOVA_LABELREF): New macro.
13932 (mova_p, fixup_mova, sh_reorg): Use it.
13933 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13934 ADDR_DIFF_VEC matches mova.
13936 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13938 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13939 with ATTRIBUTE_UNUSED.
13941 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13943 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13944 pointer, instead of assuming it is possible to derive the
13945 correct args size from a call insn.
13947 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13949 * rtl.h (CONST_INT_P): Define.
13950 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13951 instead of GET_CODE(x) == CONST_INT.
13952 (vax_rtx_costs): Likewise.
13953 (vax_output_int_move): Likewise.
13954 (vax_output_int_add): Likewise.
13955 (legitimate_constant_address_p): Likewise.
13956 (index_term_p): Likewise.
13957 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13958 * config/vax/vax.md (and<mode>3): Likewise.
13959 (ashrsi3): Likewise.
13961 (movstricthi): Likewise.
13962 (movstrictqi): Likewise.
13963 (rotrsi3): Likewise.
13964 (five unnamed insns): Likewise.
13966 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13968 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13969 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13970 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13971 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13972 Pass to ASM_OUTPUT_DWARF_OFFSET.
13973 * dwarf2out.c (debug_frame_section): New.
13974 (output_call_frame_info): Use debug_frame_section. Pass it to
13975 dw2_asm_output_offset.
13976 (output_die): Pass appropriate section to dw2_asm_output_offset.
13977 (output_compilation_unit_header): Likewise.
13978 (output_pubnames): Likewise.
13979 (output_aranges): Likewise.
13980 (enum dw_val_class): Break dw_val_class_lbl_offset into
13981 dw_val_class_lineptr and dw_val_class_macptr.
13982 (add_AT_lbl_offset): Delete.
13983 (add_AT_lineptr): New.
13984 (add_AT_macptr): New.
13985 (AT_lbl): Expect a lineptr or macptr.
13986 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13987 (attr_checksum): Likewise.
13988 (same_dw_val_p): Likewise.
13989 (size_of_die): Likewise.
13990 (value_format): Likewise.
13991 (output_die): Likewise.
13992 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13994 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13995 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13996 * config/darwin-protos.h (darwin_file_start): New.
13997 (darwin_asm_output_dwarf_offset): New.
13998 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13999 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14001 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14002 if not EH section; simplify.
14003 (darwin_file_start): New.
14004 (darwin_asm_output_dwarf_offset): New.
14005 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14007 (DEBUG_INFO_SECTION): Likewise.
14008 (DEBUG_ABBREV_SECTION): Likewise.
14009 (DEBUG_ARANGES_SECTION): Likewise.
14010 (DEBUG_MACINFO_SECTION): Likewise.
14011 (DEBUG_LINE_SECTION): Likewise.
14012 (DEBUG_LOC_SECTION): Likewise.
14013 (DEBUG_PUBNAMES_SECTION): Likewise.
14014 (DEBUG_STR_SECTION): Likewise.
14015 (DEBUG_RANGES_SECTION): Likewise.
14016 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14017 (ASM_OUTPUT_DWARF_OFFSET): New.
14019 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14021 * config.gcc (tm_defines): Always add to previous value rather
14024 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14026 * config/mips/predicates.md (splittable_const_int_operand): New,
14027 split from move_operand.
14028 (splittable_symbolic_operand): New.
14029 (move_operand): Add commentary. Use splittable_const_int_operand.
14030 Inline mips_atomic_symbolic_constant_p.
14031 * config/mips/mips.md: Add combine splitters for handling moves
14032 of splittable_const_int_operands and splittable_symbolic_operands.
14033 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14034 (mips_split_symbol): Declare.
14035 (mips_move_integer): Declare.
14036 * config/mips/mips.c (mips_split_p): Make global.
14037 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14038 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14039 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14040 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14041 (mips_offset_within_object_p): Handle block symbols.
14042 (mips_atomic_symbolic_constant_p): Delete.
14043 (mips_cannot_force_const_mem): Return false for constants that
14044 mips_legitimize_move can handle.
14045 (mips_use_blocks_for_constant_p): New function.
14046 (mips_split_symbol): Make global.
14047 (mips_move_integer): Likewise. Add a temporary register argument.
14048 (mips_legitimize_const_move): Use splittable_const_int_operand and
14049 splittable_symbolic_operand.
14050 (mips_use_anchors_for_symbol_p): New function.
14051 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14052 (mips_split_p): Declare.
14054 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14056 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14057 (mips*-*-linux*): Likewise.
14059 2006-03-16 Roger Sayle <roger@eyesopen.com>
14060 Daniel Speyer <dspeyer@wam.umd.edu>
14062 PR middle-end/18259
14063 * tree-dump.c (dump_real): New function.
14064 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14065 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14066 (tree-dump.o): Add $(REAL_H) to the dependencies.
14068 2006-03-16 Roger Sayle <roger@eyesopen.com>
14070 PR middle-end/21781
14071 * real.c (real_from_string): If the mantissa is zero, don't bother
14072 parsing the exponent as the result should always be zero.
14074 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14076 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14078 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14080 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14081 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14082 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14083 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14084 ia64_sched_finish_global): New static functions to implement
14085 hooks from gcc_target.sched.
14086 (spec_check_no, max_uid, pending_data_specs): New static variables.
14087 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14088 ia64_spec_check_src_p): New static functions.
14089 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14090 (TARGET_SCHED_ADJUST_COST): Removed.
14091 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14092 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14093 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14094 TARGET_SCHED_GEN_CHECK,
14095 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14096 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14097 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14098 Fixed to handle speculation checks.
14099 (rtx_needs_barrier): Fixed to handle speculative loads and
14101 (ia64_variable_issue): Added code to count speculative loads and their
14103 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14105 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14107 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14109 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14110 (ia64_reorg): Reset stops_p to NULL after it is freed.
14111 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14112 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14113 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14115 (data_speculative, control_speculative, check_load): New attributes.
14116 (mov<mode>_advanced, mov<mode>_speculative,
14117 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14118 zero_extend<mode>di2_speculative,
14119 zero_extend<mode>di2_speculative_advanced): New patterns for
14120 data and control speculative loads.
14121 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14123 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14124 New pattern for data and control speculation checks.
14125 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14126 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14127 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14128 Auxiliary definitions for the patterns.
14129 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14130 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14132 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14134 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14135 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14136 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14137 New resource constraints.
14138 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14140 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14141 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14142 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14143 msched-in-control-spec, msched-ldc, msched-control-ldc,
14144 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14145 msched-prefer-non-control-spec-insns,
14146 msched-count-spec-in-critical-path): New flags to tune speculative
14148 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14149 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14150 msched-in-control-spec, msched-ldc, msched-control-ldc,
14151 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14152 msched-prefer-non-control-spec-insns,
14153 msched-count-spec-in-critical-path): Document new flags.
14155 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14157 * target.h (struct spec_info_def): New opaque declaration.
14158 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14159 speculate_insn, needs_block_p, gen_check,
14160 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14161 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14162 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14163 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14164 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14165 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14167 (TARGET_SCHED): Use new macros.
14168 * rtl.h (copy_DEPS_LIST_list): New prototype.
14169 * sched-int.h (struct sched_info): Change signature of new_ready field,
14170 adjust all initializations. New fields: add_remove_insn,
14171 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14172 region_head_or_leaf_p.
14173 (struct spec_info_def): New structure declaration.
14174 (spec_info_t): New typedef.
14175 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14176 recovery_block, orig_pat.
14177 (glat_start, glat_end): New variables declaraions.
14178 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14180 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14181 DETACH_LIFE_INFO, USE_GLAT.
14182 (enum SPEC_SCHED_FLAGS): New enumeration.
14183 (NOTE_NOTE_BB_P): New macro.
14184 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14185 attach_life_info, debug_spec_status, check_reg_live): New functions.
14186 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14187 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14189 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14190 * ddg.c (get_block_head_tail): Adjust all uses.
14191 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14192 (sms_sched_info): Initialize new fields.
14193 (contributes_to_priority): Removed.
14194 * haifa-sched.c (params.h): New include.
14195 (get_block_head_tail): Adjust all uses.
14196 (ISSUE_POINTS): New macro.
14197 (glat_start, glat_end): New global variables.
14198 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14199 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14200 old_last_basic_block, before_recovery, current_sched_info_var,
14201 rgn_n_insns, luid): New static variables.
14202 (insn_cost1): New function. Move logic from insn_cost to here.
14203 (find_insn_reg_weight1): New function. Move logic from
14204 find_insn_reg_weight to here.
14205 (reemit_notes, move_insn, max_issue): Change signature.
14206 (move_insn1): Removed.
14207 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14208 extend_bb): New static functions to support extension of scheduler's
14210 (generate_recovery_code, process_insn_depend_be_in_spec,
14211 begin_speculative_block, add_to_speculative_block,
14212 init_before_recovery, create_recovery_block, create_check_block_twin,
14213 fix_recovery_deps): New static functions to support
14214 generation of recovery code.
14215 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14216 restore_bb_notes, move_block_after_check, move_succs): New static
14217 functions to support ebb scheduling.
14218 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14219 functions to support handling of register live information.
14220 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14221 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14222 add_jump_dependencies): New static functions.
14223 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14224 consistancy checking.
14225 (debug_spec_status): New function to call from debugger.
14226 (priority): Added code to handle speculation checks.
14227 (rank_for_schedule): Added code to distinguish speculative instructions.
14228 (schedule_insn): Added code to handle speculation checks.
14229 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14230 Fixed to handle ebbs.
14231 (move_insn): Added code to handle ebb scheduling.
14232 (max_issue): Added code to use ISSUE_POINTS of instructions.
14233 (choose_ready): Added code to choose between speculative and
14234 non-speculative instructions.
14235 (schedule_block): Added code to handle ebb scheduling and scheduling of
14236 speculative instructions.
14237 (sched_init): Initialize new variables.
14238 (sched_finish): Free new variables. Print statistics.
14239 (try_ready): Added code to handle speculative instructions.
14240 * lists.c (copy_DEPS_LIST_list): New function.
14241 * sched-deps.c (extend_dependency_caches): New function. Move logic
14242 from create_dependency_caches to here.
14243 (get_dep_weak, ds_merge): Make global.
14244 * genattr.c (main): Code to output prototype for
14245 dfa_clear_single_insn_cache.
14246 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14247 (output_dfa_clean_insn_cache_func): Code to output
14248 dfa_clear_single_insn_cache function.
14249 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14251 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14253 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14254 New static variables.
14255 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14256 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14258 (ebb_sched_info): Initialize new fields.
14259 (get_block_head_tail): Adjust all uses.
14260 (compute_jump_reg_dependencies): Fixed to use glat_start.
14261 (schedule_ebb): Code to remove unreachable last block.
14262 (schedule_ebbs): Added code to update register live information.
14263 * sched-rgn.c (region_sched_info): Initialize new fields.
14264 (get_block_head_tail): Adjust all uses.
14265 (last_was_jump): Removed. Adjust users.
14266 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14267 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14268 Implement new hooks.
14269 (check_dead_notes1): New static function.
14270 (struct region): New fields: dont_calc_deps, has_real_ebb.
14271 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14272 (BB_TO_BLOCK): Fixed to handle EBBs.
14273 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14274 (ebb_head): New static variable.
14275 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14276 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14278 (compute_dom_prob_ps): New assertion.
14279 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14280 global_live_at_start.
14281 (init_ready_list): New assertions.
14282 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14283 (new_ready): Add support for BEGIN_CONTROL speculation.
14284 (schedule_insns): Fixed code that updates register live information
14286 (schedule_region): Fixed to handle EBBs.
14287 (init_regions): Use extend_regions and check_dead_notes1.
14288 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14289 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14290 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14291 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14292 TARGET_SCHED_GEN_CHECK,
14293 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14294 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14295 * doc/invoke.texi (max-sched-insn-conflict-delay,
14296 sched-spec-prob-cutoff): Document.
14298 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14300 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14301 inter_tick, queue_index.
14302 (struct sched_info): Change signature of init_ready_list field.
14303 Adjust all initializations.
14304 (RESOLVED_DEPS): New access macro.
14305 (ready_add): Remove prototype.
14306 (try_ready): Add prototype.
14307 * sched-rgn.c (init_ready_list): Use try_ready.
14308 (schedule_region): Initialize
14309 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14310 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14311 (init_ready_list): Use try_ready.
14312 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14313 * lists.c (remove_list_elem): Remove `static'.
14314 (remove_free_INSN_LIST_elem): New function.
14315 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14316 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14317 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14319 (readyp): New variable.
14320 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14321 change_queue_index, resolve_dep): New static functions.
14322 (try_ready): New function. Adjust callers in sched-rgn.c and
14323 sched-ebb.c to use it instead of ready_add.
14324 (clock_var): Move at the begining of file.
14325 (rank_for_schedule): Fix typo.
14326 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14327 (ready_lastpos): Enforce assertion.
14328 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14329 update all callers.
14330 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14331 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14332 (queue_to_ready): Use free_INSN_LIST_list.
14333 (early_queue_to_ready): Fix typo.
14334 (schedule_block): Init readyp. Move init_ready_list call after the
14335 initialization of clock_var. Fix error in rejecting insn by
14336 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14337 that previously corrected INSN_TICKs. Add code for handling
14339 (set_priorities): Fix typo.
14340 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14341 Clarify comment and code that keeps current_sched_info->next_tail
14344 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14346 * sched-rgn.c (extend_rgns): New static function.
14347 (find_rgns): Use it.
14348 (gather_region_statistics, print_region_statistics): New static
14350 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14351 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14353 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14354 Andrey Belevantsev <abel@ispras.ru>
14356 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14357 * lists.c (unused_deps_list): New variable.
14358 (free_list): Add assertions to verify the proper distinguishing
14359 between INSN_LISTs and DEPS_LISTs.
14360 (find_list_elem, remove_list_elem, remove_list_node): New static
14362 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14363 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14364 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14365 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14367 (free_INSN_LIST_node): Likewise.
14368 * modulo-sched.c (current_sched_info): Initialize flags field.
14369 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14370 * rtl.def (DEPS_LIST): Define.
14371 * rtl.h: Declare new functions from lists.c.
14372 * sched-deps.c (spec_dependency_cache): New static variable.
14373 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14374 (add_dependence): Change return type to void. Move the logic to ...
14375 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14376 (delete_all_dependences): Add comment about forward_dependency_cache.
14377 Handle spec_dependency_cache. Handle DEPS_LISTs.
14378 (fixup_sched_groups): Clarify the change of priority of output
14379 and anti dependencies.
14380 (sched_analyze_2): Adjust add_dependence calls to create data
14381 speculative dependence.
14382 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14383 Adjust all callers. Handle DEPS_LISTS.
14384 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14385 presence of speculation.
14386 (init_dependency_caches, free_dependency_caches):
14387 Handle spec_dependency_cache.
14388 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14389 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14390 New static functions.
14391 (add_or_update_back_dep, add_or_update_back_forw_dep,
14392 add_back_forw_dep, delete_back_forw_dep): New functions.
14393 * sched-int.h (ds_t, dw_t): New typedefs.
14394 (struct sched_info): Add new field flags.
14395 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14396 Prototype new sched-deps.c functions.
14397 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14398 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14399 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14400 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14401 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14402 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14404 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14406 * sched-rgn.c (current_sched_info): Initialize flags field.
14407 (schedule_insns): Initialize current_sched_info before the sched_init
14409 * sched-ebb.c (current_sched_info): Initialize flags field.
14410 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14411 Call add_or_update_back_dep instead of add_dependence.
14412 Create control speculative dependencies.
14413 (schedule_insns): Initialize current_sched_info before the sched_init
14416 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14418 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14420 (sh_fallback_frame_state): Likewise.
14422 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14424 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14425 Do switch on default_use_cxa_atexit.
14426 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14427 * config/darwin-crt3.o: New.
14428 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14429 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14430 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14432 * config/rs6000/t-darwin: Move crt2.o building to here.
14433 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14434 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14437 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14439 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14440 from '! xxx' to '!xxx' for coding-style conformance.
14441 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14442 (EXTRA_CONSTRAINT): Likewise.
14443 * config/vax/vax.md (four unnamed insns): Likewise.
14445 2006-03-15 Paul Brook <paul@codesourcery.com>
14447 * config/arm/arm.c (minipool_pad): New.
14448 (add_minipool_forward_ref): Include pool alignment padding in address
14450 (push_minipool_fix): Set minipool_pad.
14451 (minipool_pad): Ditto.
14453 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14455 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14456 instead of GET_CODE() == MEM and REG_P() instead of
14458 (print_operand_address): Likewise.
14459 (vax_address_cost): Likewise.
14460 (vax_rtx_costs): Likewise.
14461 (vax_notice_update_cc): Likewise.
14462 (vax_output_int_add): Likewise.
14463 (INDEX_REGISTER_P): Likewise.
14464 (BASE_REGISTER_P): Likewise.
14465 (nonindexed_address_p): Likewise.
14466 (vax_mode_dependent_address_p): Likewise.
14467 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14468 (PRINT_OPERAND): Likewise.
14469 * config/vax/vax.md (ashlsi3): Likewise.
14470 (ashlsi3): Likewise.
14471 (some more unnamed insns): Likewise.
14473 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14475 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14476 iterator-style macro.
14477 (mark_control_dependent_edges_necessary): Update the use of
14478 EXECUTE_IF_CONTROL_DEPENDENT.
14480 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14482 * config/sh/predicates.md (cache_address_operand): Special.
14483 (ua_address_operand): Likewise.
14485 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14487 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14489 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14491 2006-03-15 Andreas Schwab <schwab@suse.de>
14493 * gensupport.c (identify_predicable_attribute): Don't free p_false
14494 when it is still in use.
14496 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14498 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14499 the default setting here.
14501 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14503 * tree-pass.h (pass_cfg): Remove.
14504 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14505 * passes.c (pass_cfg): Don't run it.
14507 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14509 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14510 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14512 (stack_regs_mentioned): Update the uses of
14513 stack_regs_mentioned_data. Don't access the array beyond its
14515 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14516 Don't include gt-reg-stack.h.
14518 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14519 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14521 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14523 PR middle-end/26684
14524 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14527 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14529 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14531 2006-03-14 Richard Guenther <rguenther@suse.de>
14533 PR tree-optimization/26672
14534 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14537 2006-03-14 Richard Guenther <rguenther@suse.de>
14539 PR tree-optimization/26667
14540 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14541 node for the callees. Always allow inlining if it will shrink
14544 2006-03-14 Richard Guenther <rguenther@suse.de>
14546 PR middle-end/26659
14547 * builtins.c (get_pointer_alignment): Prefer alignment
14548 information from decls over that from types.
14550 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14553 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14555 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14557 * config/rs6000/rs6000.opt (mdlmzb): New option.
14558 (msched-prolog, msched-epilog): Use Var not Mask.
14559 * doc/invoke.texi (-mdlmzb): Document.
14560 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14562 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14563 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14565 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14567 PR rtl-optimization/25739
14568 * bt-load.c (augment_live_range): Free tos pointer.
14570 * gensupport.c (identify_predicable_attribute): Free
14572 * gcov.c (create_file_names): Free name pointer.
14574 2006-03-13 Roger Sayle <roger@eyesopen.com>
14576 PR middle-end/26557
14577 * stmt.c (emit_case_nodes): Handle the case where the index is a
14578 CONST_INT, where the comparison mode is specified by the index type.
14580 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14582 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14585 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14587 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14588 (*branch_fp_inverted): Likewise.
14590 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14592 PR middle-end/25989
14593 * omp-low.c (expand_omp_for_generic): Mark istart0
14594 and iend0 as addressable.
14596 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14598 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14600 2006-03-13 Jeff Law <law@redhat.com>
14602 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14603 virtual operands are interesting.
14604 (vrp_visit_stmt): Corresponding changes.
14606 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14608 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14610 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14611 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14612 * config/bfin/crti.S: Use it instead of __PIC__.
14613 * config/bfin/crtn.S: Likewise.
14615 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14616 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14618 Lose 'G' modifier for call operand.
14619 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14620 recognize 'G' modifier.
14622 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14624 PR middle-end/18859
14625 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14626 * stmt.c (expand_case): Likewise.
14628 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14630 PR rtl-optimization/26254
14631 * loop-invariant.c (seq_insns_valid_p): New function.
14632 (move_invariant_reg): Only emit new code if it is valid.
14634 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14636 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14638 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14639 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14640 (commit_one_edge_insertion): Do not look for loop notes.
14642 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14644 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14645 flag_test_coverage out of loop.
14647 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14649 * final.c (shorten_branches): Remove outdated comment, and turn
14650 the if branch that guards it to continue.
14652 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14654 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14655 * cfgloop.h (struct loop): Remove unused fields.
14657 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14659 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14660 (-dL, -fdump-rtl-loop2): Update the dump file names
14662 * doc/invoke.texi: Update dump file names.
14664 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14666 * predict.c (estimate_probability): Remove.
14667 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14668 * basic-block.h (estimate_probability): Remove prototype.
14669 * passes.c (finish_optimization_passes): Dump branch prediction or
14670 profiling heuristics to the .profile tree dump.
14671 (init_optimization_passes): Unqueue pass_branch_prob.
14673 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14675 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14677 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14678 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14680 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14682 * function.h (frame_offset_overflow): Declare.
14683 * function.c (frame_offset_overflow): New function.
14684 (assign_stack_local_1): Call it to detect that the offset overflows.
14685 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14687 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14689 * config/sh/sh.c: Include alloc-pool.h.
14690 (label_ref_list_pool): New alloc pool.
14691 (label_ref_list_t): New type for lists of labels.
14692 (struct pool_node): Make wend a label_ref_list_t.
14693 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14695 (dump_table): Likewise.
14696 (sh_reorg): Set up the alloc pool before using add_constant and
14697 dump_table, and destroy it when finishing.
14699 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14701 * config/mips/mips.c: Remove redundant comment.
14703 2006-03-10 Jason Merrill <jason@redhat.com>
14706 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14707 the target was declared 'register'.
14709 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14711 * genpreds.c (write_insn_constraint_len): Change definition of
14712 insn_constraint_len to return size_t to match the declaration.
14714 2006-03-10 DJ Delorie <dj@redhat.com>
14716 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14718 (m32c_expand_insv): Fix test for an AND mask.
14720 2006-03-10 Richard Guenther <rguenther@suse.de>
14722 PR middle-end/26565
14723 * builtins.c (get_pointer_alignment): Handle component
14724 references for field alignment.
14726 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14728 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14729 when building with libgloss.
14730 (sh*elf): Implement --without-fp option.
14731 (sh64-superh-linux*): Don't multilib.
14733 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14735 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14737 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14739 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14740 Set it when one of the replacement functions returned true.
14741 Return TODO_cleanup_cfg if cfgchanged is true.
14742 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14744 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14746 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14747 instead of gen_lowpart.
14749 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14751 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14753 (mips_output_order_conditional_branch): Declare.
14754 * config/mips/mips.h (MIPS_BRANCH): New macro.
14755 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14756 for the comparison. Use gen_condjump.
14757 (mips_output_conditional_branch): Rework interface to take the
14758 asm templates for a direct branch and the inverse of a direct branch.
14759 (mips_output_order_conditional_branch): New function.
14760 (mips_builtin_branch_and_move): New function.
14761 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14762 branch condition. Use gen_single_cc as the condition for
14763 __builtin_mips_upper_* or __builtin_mips_lower_*.
14764 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14765 Use VOIDmode for the branch condition.
14766 * config/mips/predicates.md (order_operator): New predicate.
14767 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14768 (branch_fp): Rename to...
14769 (*branch_fp): ...this. Remove mode from comparison operator.
14770 Use new mips_output_conditional_branch interface.
14771 (branch_fp_inverted): Rename to...
14772 (*branch_fp_inverted): ...this and update as for *branch_fp.
14773 (*branch_zero<mode>): Rename to...
14774 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14775 Use mips_output_order_conditional_branch. Only accept ordered
14777 (*branch_zero<mode>_inverted): Rename to...
14778 (*branch_order<mode>_inverted): ...this and update as for
14779 *branch_order<mode>.
14780 (*branch_equality<mode>): Accept zero as the second operand to
14781 the equality operator. Use the new mips_output_conditional_branch
14783 (*branch_equality<mode>_inverted): Likewise.
14784 (condjump): New expander.
14785 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14787 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14788 (bc1any2t, bc1any2f): Likewise.
14789 (single_cc): New expander.
14790 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14792 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14794 * doc/md.texi: Update documentation of MIPS constraints.
14795 * config/mips/constraints.md: New file.
14796 * config/mips/mips.md: Include it.
14797 * config/mips/mips.c (mips_char_to_class): Delete.
14798 (override_options): Don't initialize mips_char_to_class.
14799 * config/mips/mips.h (mips_char_to_class): Delete.
14800 (REG_CLASS_FROM_LETTER): Delete.
14801 (CONST_OK_FOR_LETTER_P): Delete.
14802 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14803 (EXTRA_CONSTRAINT_Y): Delete.
14804 (EXTRA_CONSTRAINT_STR): Delete.
14805 (CONSTRAINT_LEN): Delete.
14806 (EXTRA_MEMORY_CONSTRAINT): Delete.
14808 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14810 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14811 original fn's eh regions.
14813 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14815 * fold-const.c (build_range_check): Make sure to use a valid type to
14816 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14819 (range_predecessor): New static function.
14820 (range_successor): Likewise.
14821 (merge_ranges): Use them to compute predecessors and successors of
14824 2006-03-09 Roger Sayle <roger@eyesopen.com>
14826 PR middle-end/26561
14827 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14828 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14830 2006-03-08 DJ Delorie <dj@redhat.com>
14832 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14833 (addpsi3): Expand to include memory operands. Remove
14834 reload-specific splits.
14835 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14836 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14837 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14838 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14839 (shift1_qi, shift1_hi, insv): New.
14840 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14841 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14842 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14844 * config/m32c/m32c-protos.h: Update as needed.
14845 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14846 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14847 Fail for unrecognized R* constraints.
14848 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14849 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14850 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14852 (m32c_init_libfuncs): New.
14853 (m32c_legitimate_address_p): Add debug wrapper.
14854 (m32c_rtx_costs): New.
14855 (m32c_address_cost): New.
14856 (conversions): Add 'B' prefix.
14857 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14858 operands, or word regnames for QI operands. 'B' prints bit
14860 (m32c_expand_setmemhi): New.
14861 (m32c_expand_movmemhi): New.
14862 (m32c_expand_movstr): New.
14863 (m32c_expand_cmpstr): New.
14864 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14865 (m32c_expand_neg_mulpsi3): Handle non-ints.
14866 (m32c_cmp_flg_0): New.
14867 (m32c_expand_movcc): New.
14868 (m32c_expand_insv): New.
14869 (m32c_scc_pattern): New.
14870 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14871 a0/a1 out of SIregs.
14872 (STORE_FLAG_VALUE): New.
14873 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14876 * config/m32c/mov.md: Make constraints more liberal.
14877 (zero_extendqihi2): Optimize r0/r1 case.
14878 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14879 * config/m32c/predicates.md (m32c_any_operand): New.
14880 (m32c_nonimmediate_operand): New.
14881 (m32c_hl_operand): New.
14882 (m32c_r3_operand): New.
14885 (memsym_operand): New.
14886 (memimmed_operand): New.
14887 (a_qi_operand): New.
14888 (m32c_eqne_operator): New.
14889 (m32c_1bit8_operand): New.
14890 (m32c_1bit16_operand): New.
14891 (m32c_1mask8_operand): New.
14892 (m32c_1mask16_operand): New.
14893 * config/m32c/blkmov.md: New file.
14894 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14896 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14898 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14899 unsigned to fix signed/unsigned comparison issue in
14900 DWARF2_FRAME_REG_OUT.
14901 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14902 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14904 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14905 of ptr into the ENABLE_CHECKING section.
14907 2006-03-08 Jeff Law <law@redhat.com>
14909 * tree-vrp.c (infer_value_range): Only count pointer uses
14910 and dereferences if -fdelete-null-pointer-checks is enabled.
14912 * tree-vrp.c (find_assert_locations): Infer value ranges for
14913 single use pointers, but do not create ASSERT_EXPRs for them.
14914 When a non-null range is inferred for a pointer, backwards
14915 propagate that range to other equivalent pointers through the
14918 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14921 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14922 language hook targets.
14923 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14924 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14925 if language hook targets were missing.
14927 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14929 * tree-ssa-opfinalize.h: Removed.
14930 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14932 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14933 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14934 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14935 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14936 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14937 finalize_ssa_v_must_def_ops): New.
14939 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14941 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14942 block as parameter.
14944 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14946 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14948 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14949 addresses with offsets; reorganize.
14951 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14952 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14953 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14955 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14958 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14960 2006-03-08 Ben Elliston <bje@au.ibm.com>
14962 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14964 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14967 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14970 2006-03-07 Richard Guenther <rguenther@suse.de>
14972 PR tree-optimization/26587
14973 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14975 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14977 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14979 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14981 * hooks.c (hook_bool_mode_rtx_true): New function.
14982 * hooks.h (hook_bool_mode_rtx_true): Declare.
14983 * toplev.c (compile_file): Call output_shared_constant_pool.
14984 * varasm.c (shared_constant_pool): New variable.
14985 (assemble_start_function, assemble_end_function): Remove arguments
14986 from call to output_constant_pool.
14987 (create_constant_pool): New function, split out from...
14988 (init_varasm_status): ...here.
14989 (force_const_mem): Choose between the shared and per-function constant
14990 pools. Set current_function_uses_const_pool when reusing old entries
14991 as well as when creating new ones.
14992 (mark_constant): Ignore data argument.
14993 (mark_constants): Remove pool argument.
14994 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14995 to decide whether the function uses a constant pool.
14996 (output_constant_pool_contents): New function, split out from...
14997 (output_constant_pool): ...here.
14998 (output_shared_constant_pool): New function.
14999 (init_varasm_once): Initialize shared_constant_pool.
15000 * output.h (output_constant_pool): Delete.
15001 (output_shared_constant_pool): Declare.
15002 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15003 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15005 2006-03-06 Nick Clifton <nickc@redhat.com>
15007 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15008 flag_strength_reduce.
15010 2006-03-06 Ben Elliston <bje@au.ibm.com>
15012 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15013 x86_64-*-linux* configurations.
15015 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15016 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15018 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15020 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15022 * basic-block.h: Remove the extern for
15023 rediscover_loops_after_threading.
15025 * cfgloop.c (cancel_loop): Make it static.
15026 * cfgloop.h: Remove the prototype for cancel_loop.
15028 * flow.c (recompute_reg_usage): Make it static.
15029 * rtl.h: Remove the prototype for recompute_reg_usage.
15031 * function.c (use_return_register): Make it static.
15032 * function.h: Remove the prototype.
15034 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15036 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15038 * recog.h: Remove the prototype for
15039 validate_change_maybe_volatile.
15041 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15043 * rtlanal.c (replace_reg): Remove.
15044 * rtl.h: Remove the prototype for replace_reg.
15046 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15048 * regclass.c (reg_scan_update): Remove.
15049 (reg_scan_mark_refs): Remove the last argument.
15050 * rtl.h: Remove the prototype for reg_scan_update.
15052 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15054 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15055 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15056 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15057 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15058 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15059 loop-invariant.c, omp-low.c, opts.c, passes.c,
15060 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15061 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15062 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15063 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15064 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15065 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15067 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15069 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15070 * dwarf2out.h: Remove the prototype for
15071 dwarf2out_add_library_unit_info.
15073 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15075 * tree.c (add_var_to_bind_expr): Remove.
15076 * tree.h: Remove the prototype for add_var_to_bind_expr.
15078 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15080 * regclass.c (n_non_fixed_regs): Remove.
15081 (init_reg_sets_1, globalize_reg): Remove all uses of
15083 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15085 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15087 * rtlanal.c (insns_safe_to_move_p): Remove.
15088 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15090 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15092 * expmed.c (expand_mult_add): Remove.
15093 * expr.h: Remove the prototype for expand_mult_add.
15095 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15097 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15098 and REG_SAVED_VAL_EXP constants.
15099 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15100 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15101 Handle regs stored by value.
15102 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15103 (execute_cfa_program): Handle DW_CFA_val_offset,
15104 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15105 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15106 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15107 (uw_install_context_1): Handle target regs stored by value.
15109 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15111 * tree-sra.c (tree_sra): Return todoflags;
15112 (generate_one_element): Set TODO_update_smt_usage if needed.
15113 (pass_sra): Remove TODO_update_smt_usage.
15114 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15116 (tree_ssa_forward_propagate_single_use_vars): Return
15117 TODO_update_smt_usage if we need to update SMT usage.
15118 (pass_forwprop): Remove TODO_update_smt_usage.
15120 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15122 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15123 (correct_use_link): Remove reference to get_stmt_operands.
15124 (update_stmt_operands): Likewise.
15125 (get_modify_expr_operands): New function factored out of
15126 parse_ssa_operands and get_expr_operands.
15127 Try to create V_MUST_DEFs for LHS by default.
15128 (get_expr_operands) <case MODIFY_EXPR>: Call
15129 get_modify_expr_operands.
15130 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15131 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15132 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15133 get_modify_expr_operands.
15135 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15137 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15138 * tree-flow.h: Remove the prototype for
15139 referenced_var_lookup_if_exists.
15141 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15143 PR rtl-optimization/26345
15145 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15147 2006-03-03 Roger Sayle <roger@eyesopen.com>
15149 PR tree-optimization/26524
15150 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15151 fold_convert to create a constant of the appropriate type.
15153 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15155 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15156 SYMBOL_REF_IN_BLOCK_P.
15157 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15158 of SYMBOL_FLAG_IN_BLOCK.
15159 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15160 instead of SYMBOL_REF_IN_BLOCK_P.
15161 * explow.c (use_anchored_address): Likewise.
15162 * rtl.c (rtx_size): Likewise.
15163 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15164 instead of SYMBOL_FLAG_IN_BLOCK.
15165 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15166 SYMBOL_REF_IN_BLOCK_P.
15167 (assemble_variable): Likewise.
15168 (output_constant_def_contents): Likewise.
15169 (output_constant_pool): Likewise.
15170 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15171 instead of SYMBOL_FLAG_IN_BLOCK.
15172 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15173 SYMBOL_REF_IN_BLOCK_P.
15174 (SYMBOL_REF_BLOCK): Likewise.
15175 (SYMBOL_REF_OFFSET): Likewise.
15176 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15177 SYMBOL_REF_IN_BLOCK_P.
15178 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15179 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15180 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15181 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15183 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15185 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15187 2006-03-02 Roger Sayle <roger@eyesopen.com>
15189 * simplify-rtx.c (simplify_unary_operation): When simplifying
15190 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15191 that we perform the right shift in the appropriate mode, and
15192 then extend or truncate the result to requested mode.
15194 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15196 * gengtype.c (main): Handle double_int type.
15197 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15198 * double-int.c: New file.
15199 * double-int.h: New file.
15200 * system.h: Include doubleint.h.
15201 * Makefile.in (SYSTEM_H): Include double-int.h.
15202 (double-int.o): Add.
15204 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15207 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15210 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15212 * tree-vrp.c (remove_range_assertions): Do not update statements
15215 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15217 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15219 * gcse.c (rest_of_handle_gcse): Ditto.
15220 * except.c (gate_handle_eh): Ditto.
15221 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15222 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15224 2006-03-02 Eric Christopher <echristo@apple.com>
15226 * config/i386/i386.c (machopic_output_stub): Add indirection to
15229 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15233 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15235 Sun Niagara specific optimizations.
15236 * config.gcc: Recognize niagara as target.
15237 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15238 (TARGET_CPU_niagara): Define.
15239 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15240 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15241 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15242 (ASM_CPU_SPEC): Likewise.
15243 (PROCESSOR_NIAGARA): New enum entry.
15244 (REGISTER_MOVE_COST): Handle Niagara.
15245 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15246 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15247 (sparc_override_options): Recognize "niagara", set appropriate
15248 default MASK_* values for it, and align functions to 32-bytes
15249 by default just like ULTRASPARC/ULTRASPARC3.
15250 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15251 (sparc64_initialize_trampoline): Likewise.
15252 (sparc_use_sched_lookahead): Use zero for niagara.
15253 (sparc_issue_rate): Use one for niagara.
15254 * config/sparc/niagara.md: New file.
15255 * config/sparc/sparc.md: Include it.
15256 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15257 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15258 when default cpu is niagara.
15259 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15260 (ASM_CPU_SPEC): Likewise.
15261 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15262 when default cpu is niagara.
15263 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15264 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15265 just like v9/ultrasparc/ultrasparc3.
15266 * doc/invoke.texi: Add documentation for "niagara" and improve
15267 existing documentation for ultrasparc variants.
15269 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15271 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15273 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15275 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15276 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15277 and say that only one is needed.
15278 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15279 * target.h (have_switchable_bss_sections): New hook.
15280 * explow.c (use_anchored_address): Check that the symbol is in a block.
15281 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15282 (bss_noswitch_section): New variables.
15283 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15284 (get_noswitch_section): New function.
15285 (get_block_for_section): Allow SECT to be null.
15286 (unlikely_text_section_p): Use SECTION_STYLE.
15287 (bss_initializer_p): New function.
15288 (get_variable_section): Move earlier in file. Take a new argument,
15289 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15290 Return one of the new *_sections in such cases.
15291 (get_block_for_decl): New function, extracting some logic from
15292 use_blocks_for_decl_p.
15293 (change_symbol_section): Remove in favor of...
15294 (change_symbol_block): ...this new function.
15295 (use_blocks_for_decl_p): Remove checks now performed by
15296 get_block_for_decl.
15297 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15298 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15299 (emit_local, emit_bss, emit_common): ...these new functions.
15300 Return true if the alignment was honored.
15301 (emit_tls_common): New function.
15302 (asm_emit_uninitialised): Delete.
15303 (assemble_variable_noswitch): New function, split out from...
15304 (assemble_variable): ...here. Don't make decisions about common
15305 variables here. Globalize all public decls that go into non-common
15306 sections. Check whether SYMBOL_REF_BLOCK is null.
15307 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15308 (output_constant_pool): Likewise.
15309 (init_varasm_once): Initialize the new section variables.
15310 (have_global_bss_p): New function.
15311 (categorize_decl_for_section): Use bss_initializer_p.
15312 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15313 (place_block_symbol): Assert that the symbol must be in a block.
15314 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15315 (TARGET_INITIALIZER): Include it.
15316 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15317 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15318 (SECTION_MACH_DEP): Bump by two.
15319 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15320 (unnamed_section): Mention SECTION_UNNAMED in comment.
15321 (named_section): Likewise SECTION_NAMED.
15322 (noswitch_section_callback): New type.
15323 (noswitch_section): New structure.
15324 (section): Add a noswitch_section alternative.
15325 (SECTION_STYLE): New macro.
15326 (tls_comm_section, comm_section, lcomm_section): Declare.
15327 (bss_noswitch_section, have_global_bss_p): Declare.
15328 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15329 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15331 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15332 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15335 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15337 * tree-vrp.c (execute_vrp): Return value.
15338 * regrename.c (rest_of_handle_regrename): Ditto.
15339 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15340 * tree-complex.c (tree_lower_complex): Ditto.
15341 (tree_lower_complex_O0): Ditto.
15342 * tracer.c (rest_of_handle_tracer): Ditto.
15343 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15344 * postreload.c (rest_of_handle_postreload): Ditto.
15345 * tree-tailcall.c (execute_tail_recursion): Ditto.
15346 (execute_tail_calls): Ditto.
15347 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15348 * tree.h (init_function_for_compilation): Ditto.
15349 * ipa-cp.c (ipcp_driver): Ditto.
15350 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15351 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15352 * final.c (compute_alignments): Ditto.
15353 (rest_of_handle_final): Ditto.
15354 (rest_of_handle_shorten_branches): Ditto.
15355 (rest_of_clean_state): Ditto.
15356 * omp-low.c (execute_expand_omp): Ditto.
15357 (execute_lower_omp): Ditto.
15358 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15359 * ipa-reference.c (static_execute): Ditto.
15360 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15361 * reorg.c (rest_of_handle_delay_slots): Ditto.
15362 (rest_of_handle_machine_reorg): Ditto.
15363 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15364 * flow.c (recompute_reg_usage): Ditto.
15365 (rest_of_handle_remove_death_notes): Ditto.
15366 (rest_of_handle_life): Ditto.
15367 (rest_of_handle_flow2): Ditto.
15368 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15369 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15370 (do_ssa_store_ccp): Ditto.
15371 (execute_fold_all_builtins): Ditto.
15372 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15373 * modulo-sched.c (rest_of_handle_sms): Ditto.
15374 * ipa-pure-const.c (static_execute): Ditto.
15375 * cse.c (rest_of_handle_cse): Ditto.
15376 (rest_of_handle_cse2): Ditto.
15377 * web.c (rest_of_handle_web): Ditto.
15378 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15379 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15380 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15381 * tree-nrv.c (tree_nrv): Ditto.
15382 (execute_return_slot_opt): Ditto.
15383 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15384 (create_structure_vars): Ditto.
15385 * loop-init.c (rtl_loop_init): Ditto.
15386 (rtl_loop_done): Ditto.
15387 (rtl_move_loop_invariants): Ditto.
15388 (rtl_unswitch): Ditto.
15389 (rtl_unroll_and_peel_loops): Ditto.
15390 (rtl_doloop): Ditto.
15391 * gimple-low.c (lower_function_body): Ditto.
15392 (mark_used_blocks): Ditto.
15393 * tree-ssa-sink.c (execute_sink_code): Ditto.
15394 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15395 (cgraph_early_inlining): Ditto.
15396 * global.c (rest_of_handle_global_alloc): Ditto.
15397 * jump.c (cleanup_barriers): Ditto.
15398 (purge_line_number_notes): Ditto.
15399 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15400 (rest_of_handle_if_after_reload): Ditto.
15401 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15402 (tree_ssa_loop_im): Ditto.
15403 (tree_ssa_loop_unswitch): Ditto.
15404 (tree_vectorize): Ditto.
15405 (tree_linear_transform): Ditto.
15406 (tree_ssa_loop_ivcanon): Ditto.
15407 (tree_ssa_empty_loop): Ditto.
15408 (tree_ssa_loop_bounds): Ditto.
15409 (tree_complete_unroll): Ditto.
15410 (tree_ssa_loop_prefetch): Ditto.
15411 (tree_ssa_loop_ivopts): Ditto.
15412 (tree_ssa_loop_done): Ditto.
15413 * predict.c (tree_estimate_probability): Ditto.
15414 * recog.c (split_all_insns_noflow): Ditto.
15415 (rest_of_handle_peephole2): Ditto.
15416 (rest_of_handle_split_all_insns): Ditto.
15417 * tree-eh.c (lower_eh_constructs): Ditto.
15418 * regmove.c (rest_of_handle_regmove): Ditto.
15419 (rest_of_handle_stack_adjustments): Ditto.
15420 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15421 * function.c (instantiate_virtual_regs): Ditto.
15422 (init_function_for_compilation): Ditto.
15423 (rest_of_handle_check_leaf_regs): Ditto.
15424 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15425 (rest_of_handle_gcse): Ditto.
15426 * ipa-type-escape.c (type_escape_execute): Ditto.
15427 * alias.c (rest_of_handle_cfg): Ditto.
15428 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15429 * profile.c (rest_of_handle_branch_prob): Ditto.
15430 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15431 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15432 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15433 * tree-dfa.c (find_referenced_vars): Ditto.
15434 * except.c (set_nothrow_function_flags): Ditto.
15435 (convert_to_eh_region_ranges): Ditto.
15436 (rest_of_handle_eh): Ditto.
15437 * emit-rtl.c (unshare_all_rtl): Ditto.
15438 (remove_unnecessary_notes): Ditto.
15439 * except.h (set_nothrow_function_flags): Ditto.
15440 (convert_to_eh_region_ranges): Ditto.
15441 * cfgexpand.c (tree_expand_cfg): Ditto.
15442 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15443 * tree-ssa-pre.c (do_pre): Ditto.
15444 (execute_fre): Ditto.
15445 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15446 (rest_of_handle_jump2): Ditto.
15447 * tree-sra.c (tree_sra): Ditto.
15448 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15449 (execute_mudflap_function_decls): Ditto.
15450 * tree-ssa-copy.c (do_copy_prop): Ditto.
15451 (do_store_copy_prop): Ditto.
15452 * ipa-prop.h (ipcp_driver): Ditto.
15453 * cfglayout.c (insn_locators_initialize): Ditto.
15454 * tree-ssa-forwprop.c
15455 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15456 * cfglayout.h (insn_locators_initialize): Ditto.
15457 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15458 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15459 (execute_late_warn_uninitialized): Ditto.
15460 * rtl.h (cleanup_barriers): Ditto.
15461 (split_all_insns_noflow): Ditto.
15462 (purge_line_number_notes): Ditto.
15463 (unshare_all_rtl): Ditto.
15464 (remove_unnecessary_notes): Ditto.
15465 (recompute_reg_usage): Ditto.
15466 (variable_tracking_main): Ditto.
15467 * integrate.c (emit_initial_value_sets): Ditto.
15468 * integrate.h (emit_initial_value_sets): Ditto.
15469 * tree-optimize.c (execute_free_datastructures): Ditto
15470 (execute_free_cfg_annotations): Ditto.
15471 (execute_fixup_cfg): Ditto.
15472 (execute_cleanup_cfg_pre_ipa): Ditto.
15473 (execute_cleanup_cfg_post_optimizing): Ditto.
15474 (execute_init_datastructures): Ditto.
15475 * tree-object-size.c (compute_object_sizes): Ditto.
15476 * combine.c (rest_of_handle_combine): Ditto.
15477 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15478 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15479 (rest_of_handle_reorder_blocks): Ditto.
15480 (rest_of_handle_partition_blocks): Ditto.
15481 * var-tracking.c (variable_tracking_main): Ditto.
15482 * tree-profile.c (tree_profiling): Ditto.
15483 * tree-vect-generic.c (expand_vector_operations): Ditto.
15484 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15485 * sched-rgn.c (rest_of_handle_sched): Ditto.
15486 (rest_of_handle_sched2): Ditto.
15487 * basic-block.h (free_bb_insn): Ditto.
15488 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15489 * tree-cfg.c (execute_build_cfg): Ditto.
15490 (remove_useless_stmts): Ditto.
15491 (split_critical_edges): Ditto.
15492 (execute_warn_function_return): Ditto.
15493 (execute_warn_function_noreturn): Ditto.
15494 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15495 * cfgrtl.c (free_bb_for_insn): Ditto.
15496 * passes.c (execute_one_pass): Run additional
15497 todos returned by execute function.
15498 * tree-pass.h (struct tree_opt_pass): Make execute
15501 2006-03-02 Richard Guenther <rguenther@suse.de>
15503 * tree-ssa-alias.c (find_used_portions): Consider taking
15504 the address as making the variable not write-only.
15506 2006-03-02 Nick Clifton <nickc@redhat.com>
15508 * config.gcc (default_use_cxa_atexit): Extend the description of
15509 this configure variable. Set its default value to "yes" for
15510 Linux, NetBSD and ELF targets on the assumption that they will
15511 use C libraries with the __cxa_atexit function.
15513 2006-03-02 Ben Elliston <bje@au.ibm.com>
15515 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15516 parameter as unused to suppress a build warning.
15518 2006-03-02 Ben Elliston <bje@au.ibm.com>
15520 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15523 2006-03-01 Roger Sayle <roger@eyesopen.com>
15526 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15527 declared name, the weak reference name, and the typeof name.
15528 (__gthrw): Avoid expanding the declared name suffix.
15529 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15531 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15533 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15535 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15536 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15537 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15538 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15539 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15540 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15541 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15542 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15543 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15544 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15545 (DW_END_default, DW_END_big, DW_END_little): New.
15546 (DW_END_lo_user, DW_END_hi_user): Define.
15547 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15548 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15549 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15552 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15554 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15556 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15558 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15560 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15562 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15563 to 'symbol_mem_tag'.
15565 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15568 2006-03-01 Roger Sayle <roger@eyesopen.com>
15570 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15572 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15575 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15576 MACHO_DYNAMIC_NO_PIC_P.
15577 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15579 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15582 * config/darwin-protos.h (darwin_asm_output_anchor):
15584 * config/darwin-sections.def (cstring_section):
15585 Add SECTION_MERGE to the flags.
15586 (literal4_section): Likewise.
15587 (literal8_section): Likewise.
15588 (objc_selector_refs_section): Likewise.
15589 (objc_cls_refs_section): Likewise.
15590 * config/darwin.c (darwin_asm_output_anchor): New
15592 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15594 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15596 Fix PR tree-optimization/26443
15597 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15598 to todo and PROP_tmt_usage to properties_destroyed.
15599 * tree-ssa-ccp.c (pass_ccp): Ditto.
15600 (pass_store_ccp): Ditto.
15601 * tree-ssa-dom.c (pass_dominator): Ditto.
15603 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15605 * tree-ssa-operands.c: Cleanup whitespace.
15606 (get_asm_expr_operands): Move before first invocation.
15607 (get_indirect_ref_operands): Likewise.
15608 (get_tmr_operands): Likewise.
15609 (get_call_expr_operands): Likewise.
15610 (append_def): Likewise.
15611 (append_use): Likewise.
15612 (append_v_may_def): Likewise.
15613 (append_v_must_def): Likewise.
15614 (add_call_clobber_ops): Likewise.
15615 (add_call_read_ops): Likewise.
15616 (add_stmt_operand): Likewise.
15617 (add_virtual_operand): Likewise.
15618 (build_ssa_operands): Likewise.
15620 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15622 PR middle-end/26022
15624 PR middle-end/24437
15625 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15626 with a call expr to ...
15627 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15629 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15631 * tree-vrp.c (extract_range_from_assert): Remove special
15632 handling for types with super-types.
15634 2006-03-01 Ben Elliston <bje@au.ibm.com>
15636 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15637 and powerpc64-*-linux* configurations.
15638 * config/t-dfprules: New file.
15640 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15641 Compile dfp-bit.c from the source directory using -DWIDTH and
15642 $DFP_CFLAGS to control the compilation of that file, rather than
15643 generating width-specific versions in the build directory.
15644 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15645 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15647 2006-02-28 Zack Weinberg <zackw@panix.com>
15649 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15652 2006-02-28 Eric Christopher <echristo@apple.com>
15654 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15655 Set up IN_LIBGCC definition of TARGET_64BIT.
15656 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15658 2006-02-28 Roger Sayle <roger@eyesopen.com>
15660 PR middle-end/14752
15661 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15662 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15663 cases via the construction of "expr != 0".
15665 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15667 * alias.c (alias_invariant, alias_invariant_size): Remove.
15668 (record_base_value): Remove.
15669 (memrefs_conflict_p): Don't look at alias_invariant.
15670 (end_alias_analysis): Don't free it.
15671 * alias.h (record_base_value): Remove prototype.
15673 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15674 Adam Nemet <anemet@caviumnetworks.com>
15676 * rtl.h (truncated_to_mode): Declare it.
15677 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15678 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15679 (RTL_HOOKS_INITIALIZER): Include it.
15680 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15681 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15682 reg_truncated_to_mode.
15683 * rtlanal.c (truncated_to_mode): Define it.
15684 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15686 2006-02-28 Jeff Law <law@redhat.com>
15688 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15689 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15690 the range allowed by TYPE_PRECISION.
15692 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15694 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15696 PR tree-optimization/26419
15697 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15700 2006-02-27 Zack Weinberg <zackw@panix.com>
15702 * doc/md.texi: Fix typo in previous change.
15704 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15708 2006-02-27 Zack Weinberg <zackw@panix.com>
15710 * rtl.def (define_constraint, define_register_constraint)
15711 (define_memory_constraint, define_address_constraint): New MD forms.
15712 * gensupport.c (process_rtx): Put define_constraint etc on the
15714 * genpreds.c (process_define_predicate): Adjust comment. Validate
15715 the name, and call validate_exp to validate the expression.
15716 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15717 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15718 all callers changed.
15719 (validate_exp, needs_variable, struct constraint_data)
15720 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15721 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15722 (const_dbl_constraints, constraint_max_namelen)
15723 (have_register_constraints, have_memory_constraints)
15724 (have_address_constraints, have_address_constraints)
15725 (have_extra_constraints, have_const_int_constraints)
15726 (have_const_dbl_constraints, mangle, add_constraint)
15727 (process_define_constraint, process_define_register_constraint)
15728 (write_enum_constraint_num, write_lookup_constraint)
15729 (write_insn_constraint_len, write_regclass_for_constraint)
15730 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15731 (write_insn_extra_memory_constraint)
15732 (write_insn_extra_address_constraint)
15733 (write_satisfies_constraint_fns): New.
15734 (write_tm_preds_h): If we have new-style constraint definitions,
15735 prototype the functions generated from them, and define the
15736 old constraint interface (still used by generic code) in terms of
15738 (write_insn_preds_c): If we have new-style constraint definitions,
15739 generate all relevant functions from those definitions.
15740 (main): Handle define_constraint etc.
15741 * genoutput.c (struct constraint_data, indep_constraints)
15742 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15743 (mdep_constraint_len): New data structures and functions, defined
15744 #ifdef USE_MD_CONSTRAINTS.
15745 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15746 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15747 use new logic to validate operand constraints against constraint
15749 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15751 * defaults.h: If none of the old-style constraint macros are
15752 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15753 old-style macros; and poison REG_CLASS_FROM_LETTER,
15754 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15756 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15757 * doc/md.texi: Document new constraint-definition mechanism and the
15758 C interface it provides. Remove references to old mechanism
15759 elsewhere in the document.
15760 (Machine Constraints): Use pathnames relative to gcc directory,
15761 i.e. config/ARCH/FILE. Change i386 section to refer to
15762 config/i386/predicates.md; update that section to match docstrings.
15763 * doc/tm.texi: Move all documentation of the old constraint-
15764 definition macros to their own section, clearly mark as obsolete.
15766 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15767 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15769 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15770 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15771 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15772 constraint strings.
15773 (splits and peepholes): Use satisfies_constraint_*.
15774 * config/i386/i386.c (memory_address_length)
15775 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15777 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15779 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15780 scalar operation to be put back into the loop.
15782 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15785 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15786 (extract_cie_info): Handle S flag in augmentation string.
15787 (execute_cfa_program): If context->signal_frame, execute also
15788 fs->pc == context->ra instructions.
15789 (uw_frame_state_for): If context->signal_frame, don't subtract one
15790 from context->ra to find FDE.
15791 (uw_update_context_1): Set context->signal_frame to
15793 (_Unwind_GetIPInfo): New function.
15794 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15795 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15797 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15798 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15799 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15800 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15801 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15802 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15803 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15804 x86_64_fallback_frame_state): Set fs->signal_frame.
15805 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15806 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15807 (frob_update_context): Likewise. Workaround missing S flag in
15808 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15809 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15810 Remove the psw_addr + 1 hack.
15812 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15814 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15815 with aggregates here.
15816 (find_func_aliases): Remove code for &<aggregate> from here.
15818 2006-02-26 Roger Sayle <roger@eyesopen.com>
15820 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15821 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15822 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15823 as (X & C) ne/eq 0.
15825 2006-02-26 Roger Sayle <roger@eyesopen.com>
15827 PR middle-end/19983
15828 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15830 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15832 * opts.c (decode_options): Do not handle flag_strength_reduce.
15833 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15834 and OPT_fstrength_reduce.
15835 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15836 flag_prefetch_loop_arrays for being nonzero.
15837 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15839 (fprefetch-loop-arrays-rtl): Removed.
15840 (flag_prefetch_loop_arrays): Do not specify the value.
15842 * doc/passes.texi: Update documentation of loop optimizer
15844 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15845 -frerun-loop-opt): Remove.
15847 2006-02-26 Richard Guenther <rguenther@suse.de>
15849 PR tree-optimization/26421
15850 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15851 in function calls that are ADDR_EXPRs as using the whole structure.
15853 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15855 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15856 * tree-pass.h (pass_loop_optimize): Remove.
15857 * passes.c (pass_loop_optimize): Never run it.
15858 * toplev.c (backend_init): Don't call init_loop.
15859 * opts.c (flag_loop_optimize_set): Remove.
15860 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15861 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15862 the old RTL loop optimizer when profiling enabled.
15863 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15864 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15865 pre-headers for the sake of the old RTL loop optimizer.
15866 * Makefile.in: Remove all references to loop.o.
15868 * doc/invoke.texi: Remove all references to -floop-optimize
15869 and -frerun-loop-opt.
15871 2006-02-26 Zack Weinberg <zackw@panix.com>
15873 * doc/md.texi (Machine Constraints): Refer to all files with paths
15874 relative to gcc directory (i.e. config/CPU/file). Add missing
15875 @table @code ... @end table to M32C subsection.
15877 2006-02-26 Roger Sayle <roger@eyesopen.com>
15879 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15881 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15883 2006-02-26 Roger Sayle <roger@eyesopen.com>
15884 James A. Morrison <phython@gcc.gnu.org>
15886 PR middle-end/21137
15887 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15888 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15889 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15890 signedness of the shift operation.
15892 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15894 PR tree-optimization/26359
15895 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15897 2006-02-25 Roger Sayle <roger@eyesopen.com>
15899 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15900 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15901 as X == 0, and some symmetry related transformations.
15902 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15904 2006-02-25 Roger Sayle <roger@eyesopen.com>
15906 PR middle-end/23673
15907 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15908 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15909 symmetry related transformations. Fold (X^C1) == C2 as
15912 2006-02-25 Juergen Weigert <jw@suse.de>
15913 Richard Guenther <rguenther@suse.de>
15915 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15917 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15919 * combine.c (gen_lowpart_or_truncate): Call
15920 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15922 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15924 * doc/invoke.texi: Move -fopenmp description to "Options for
15926 Remove reference to -lgomp.
15928 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15930 * doc/install.texi: Require GNU tar version 1.14.
15932 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15934 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15935 * doc/invoke.texi (C++ Dialect Options): Document
15936 -fno-use-cxa-get-exception-ptr.
15937 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15938 * configure: Regenerate.
15939 * c.opt (fuse-cxa-get-exception-ptr): New.
15940 * c-opts.c (c_common_handle_option): Handle
15941 OPT_fuse_cxa_get_exception_ptr.
15942 * c-common.c (flag_use_cxa_atexit): Update documentation.
15943 (flag_use_cxa_get_exception_ptr): New.
15944 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15945 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15947 (C_COMMON_OVERRIDE_OPTIONS): New.
15949 2006-02-24 Roger Sayle <roger@eyesopen.com>
15951 PR middle-end/24952
15952 * combine.c (try_combine): Explicitly check whether GET_CODE is
15953 a SET or a CLOBBER, instead on checking that it isn't a USE.
15955 2006-02-24 Roger Sayle <roger@eyesopen.com>
15957 * fold-const.c (fold_comparison): New subroutine of fold_binary
15958 containing transformations common to both the equality and
15959 ordering relational operators, factored out of fold_binary.
15960 (fold_binary): Separate out the equality operators (EQ_EXPR
15961 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15962 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15963 transformations common to both.
15964 (fold_div_compare): Fix latent bugs in the previously unreachable
15965 LT_EXPR and GE_EXPR cases.
15967 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15969 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15970 decl libname for clog to __clog on AIX.
15972 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15974 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15977 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15978 output traceback table for thunks. Localise rs6000_stack_info call.
15980 2006-02-23 Roger Sayle <roger@eyesopen.com>
15981 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15983 * gthr-posix.h (__gthrw): Fix typo in comment.
15985 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15987 * doc/cpp.texi (Character sets): Document that we do support
15988 input files to be in any character set.
15990 2006-02-23 Jeff Law <law@redhat.com>
15992 * tree.h (PHI_ARG_NONZERO): Remove.
15993 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15994 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15995 node to the new node.
15997 PR tree-optimization/26425
15998 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15999 min/max, then assume its varying.
16001 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16003 PR rtl-optimization/26316
16004 * rtlanal.c (enum may_trap_p_flags): New.
16005 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16006 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16007 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16008 (may_trap_after_code_motion_p): New function.
16009 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16010 (find_invariant_insn): Use may_trap_after_code_motion_p.
16011 * rtl.h (may_trap_after_code_motion_p): Declare.
16013 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16015 * emit-rtl.c (immed_double_const): Cleanup.
16017 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16019 Fix PR tree-optimization/26376
16020 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16023 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16025 PR middle-end/26412
16026 * gimplify.c (omp_add_variable): Guard variable size decl test with
16027 DECL_SIZE (decl) check.
16029 2006-02-23 Richard Guenther <rguenther@suse.de>
16031 PR middle-end/26439
16032 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16033 like aggregate types.
16035 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16037 * configure.ac: Add --with{,out}-long-double-128 configure option.
16038 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16039 * configure: Rebuilt.
16040 * config.in: Rebuilt.
16041 * doc/install.texi (Options specification): Document
16042 --with-long-double-128.
16044 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16045 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16046 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16047 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16049 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16051 * config/s390/s390.c (override_options): Handle
16052 TARGET_DEFAULT_LONG_DOUBLE_128.
16054 * config/alpha/alpha.c (override_options): Handle
16055 TARGET_DEFAULT_LONG_DOUBLE_128.
16057 * config/sparc/sparc.c (sparc_override_options): Handle
16058 TARGET_DEFAULT_LONG_DOUBLE_128.
16060 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16062 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16063 (real-install-headers-tar, real-install-headers-cpio)
16064 (real-install-headers-cp): New targets.
16066 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16068 * tree.h (variable_section): Delete.
16069 * varasm.c (variable_section): Delete.
16071 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16073 * install.texi: Add notes on install.texi2html.
16074 (Building in parallel): Do not use footnotes.
16076 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16079 * doc/install.texi (Configuration): Document --disable-libgomp.
16081 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16083 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16085 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16087 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16088 (vec_extractv2df_0_sse): New.
16090 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16092 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16093 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16094 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16095 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16096 to the result of the expression.
16097 (def_cfa_1): Adjust.
16098 (frame_pointer_cfa_offset): Rename to...
16099 (frame_pointer_fb_offset): ... this. Adjust all uses.
16100 (convert_cfa_to_loc_list): Rename to...
16101 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16102 Pass it on to build_cfa_loc.
16103 (compute_frame_pointer_to_cfa_displacement): Rename to...
16104 (compute_frame_pointer_to_fb_displacement): ... this. New
16105 offset parameter. Use it in computation.
16106 (gen_subprogram_die): Compute cfa_fb_offset with the new
16107 macro, and use it to compute the fb loc list and the
16110 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16112 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16113 replaced with register_operand.
16114 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16115 non-DREG is expensive.
16116 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16117 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16120 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16122 * doc/install.texi2html: Use set -e.
16124 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16126 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16127 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16128 * doc/invoke.texi (-fshared-data): Delete.
16129 * common.opt (fshared-data): Delete.
16130 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16131 (assemble_static_space): Remove #if 0 code.
16132 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16133 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16134 * config/cris/cris.h: Remove FIXME.
16136 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16138 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16141 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16143 PR middle-end/26379
16144 * combine.c (simplify_shift_const_1): Disable nested shifts
16145 optimization for vector shifts.
16147 2006-02-20 Roger Sayle <roger@eyesopen.com>
16149 PR tree-optimization/26361
16150 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16151 of unsigned integer types.
16153 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16155 * tree-chrec.c (eq_evolutions_p): New.
16156 * tree-chrec.h (eq_evolutions_p): Declared.
16157 * tree-data-ref.c: Fix formatting.
16158 (datadep_stats, dependence_stats): New.
16160 (print_direction_vector): New.
16161 (dump_data_dependence_relation): Use print_direction_vector.
16162 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16163 (compute_subscript_distance): Static.
16164 (initialize_data_dependence_relation): Static. Get the number
16165 of loops surrounding the references from the callers, and initialize
16166 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16167 base_object_differ_p analyzers.
16168 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16169 compute_overlap_steps_for_affine_1_2,
16170 analyze_subscript_affine_affine): Count the classified dependences.
16171 Print a message when a test failed.
16172 (can_use_analyze_subscript_affine_affine): New.
16173 (analyze_siv_subscript): Compute the data dependences on symbolic
16174 scevs that verify can_use_analyze_subscript_affine_affine.
16175 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16176 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16177 Handle symbolic scevs.
16178 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16180 (subscript_dependence_tester): Moved...
16181 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16182 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16183 DDR_SIZE_VECT instead of getting it in parameter.
16184 (subscript_dependence_tester): ... here. Take as a parameter
16185 loop_nest_depth. Call build_classic_dist_vector and
16186 build_classic_dir_vector.
16187 (compute_affine_dependence): Update subscript_dependence_tester
16188 parameters. Update datadep_stats counters. Call
16189 compute_subscript_distance.
16190 (compute_self_dependence): Save the dist and dir vectors. Call
16191 compute_subscript_distance.
16192 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16193 (compute_all_dependences): Reorder parameters as they were before
16194 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16195 compute_subscript_distance. Update the use of
16196 compute_affine_dependence and initialize_data_dependence_relation.
16197 (find_data_references_in_loop): Handle COMPONENT_REF.
16198 (compute_data_dependences_for_loop): Initialize dependence_stats.
16199 Don't call build_classic_dist_vector and build_classic_dir_vector.
16200 Update the parameters of initialize_data_dependence_relation and
16201 compute_all_dependences. Print the statistics from datadep_stats.
16202 (analyze_all_data_dependences): Static. Not used until the pass for
16203 checking the data dependences is contributed.
16204 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16205 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16206 (initialize_data_dependence_relation, compute_affine_dependence,
16207 analyze_all_data_dependences, compute_subscript_distance): Removed.
16208 (print_direction_vector): New.
16209 * lambda.h (gcd): ... here.
16210 (lambda_vector_gcd): Moved here from gcd_vector.
16211 * lambda-code.c (gcd, gcd_vector): Removed.
16212 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16213 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16215 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16217 * ipa-type-escape.c: Tidy some comments and white space.
16218 * tree-ssa-operands.c: Likewise.
16220 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16223 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16224 (dump_decl_name): Do not walk the decl tree chains.
16225 * tree-pass.h (TDF_CHAIN): Remove.
16227 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16229 * Makefile.in (C): Remove
16231 (.PHONY): Remove C and PROTO
16233 2006-02-20 Roger Sayle <roger@eyesopen.com>
16235 PR middle-end/26236
16236 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16237 deprecated CHAR_TYPE tree code.
16239 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16241 * configure.ac (target_list): Add install-info, dvi, html.
16242 * configure: Regenerate.
16244 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16245 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16246 treelang/Make-lang.in: Do not use double-colon rules.
16248 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16250 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16251 (TMT_USED_ALONE): New macro.
16252 * tree-pass.h (PROP_tmt_usage): New property.
16253 (TODO_update_tmt_usage): New todo.
16254 * tree-ssa-alias.c (updating_used_alone): New variable.
16255 (recalculate_used_alone): New function.
16256 (compute_may_aliases): Set updating_used_alone, call
16257 recalculate_used_alone.
16258 * tree-sra.c (pass_sra): Note that this pass destroys
16259 PROP_tmt_usage, and add TODO_update_tmt_usage.
16260 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16261 * tree-flow.h (updating_used_alone): Prototype.
16262 (recalculate_used_alone): Ditto.
16263 * passes.c (execute_todo): Add code to set updating_used_alone,
16264 and call recalculate.
16265 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16266 for clobber if used alone, and add assert to verify used_alone
16269 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16271 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16272 for non tls symbols added.
16273 (legitimize_address): Do nothing for PLUS expressions if one of the
16274 addends is a tls symbol reference.
16276 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16280 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16282 * Makefile.in (BOOTSTRAPPING): New.
16283 (quickstrap): New definition if BOOTSTRAPPING=yes.
16285 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16286 * configure.ac: Substitute all_selected_languages with the languages
16287 that were configured. For all the other variables except
16288 lang_specs_files, include all the languages in the tree.
16289 * configure: Regenerate.
16291 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16292 if there is one. Run the commands to run fixincludes in the same
16295 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16296 * doc/install.texi: Document exact conventions for searching target tools.
16297 Document --with-build-time-tools. Document toplevel bootstrap. Document
16298 something more about building an Ada cross-compiler. Don't list GNU Make
16299 requirements which affect all platforms.
16301 2006-02-19 Roger Sayle <roger@eyesopen.com>
16303 PR middle-end/19543
16304 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16305 only equivalent if the have both the same mode and precision.
16307 2006-02-20 Ben Elliston <bje@au.ibm.com>
16309 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16311 2006-02-19 Roger Sayle <roger@eyesopen.com>
16312 Steven Bosscher <stevenb.gcc@gmail.com>
16314 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16315 constant pool references to identify stack mode constants.
16316 * rtlanal.c (constant_pool_constant_p): New predicate to check
16317 whether operand is a floating point constant in the pool.
16318 * rtl.h (constant_pool_constant_p): Prototype here.
16319 * loop.c (scan_loop): Avoid hoisting constants from the constant
16320 pool on STACK_REGS targets.
16321 (load_mems): Likewise.
16322 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16323 loads into x87 registers expensive in terms of register pressure.
16325 2006-02-19 Roger Sayle <roger@eyesopen.com>
16327 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16328 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16330 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16332 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16333 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16335 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16337 * doc/invoke.texi: Document -fipa-pta.
16338 * common.opt: Add ipa-pta option.
16339 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16340 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16341 (do_ds_constraint): Ditto.
16342 (get_constraint_for): Only add to referenced_vars if
16343 referenced_vars exists.
16344 (insert_into_field_list): Rewrite to do this unsorted.
16345 (insert_into_field_list_sorted): Rename old insert_into_field_list
16347 (create_function_info_for): Use insert_into_field_list_sorted.
16348 (create_variable_info_for): Rewrite so it uses unsorted version,
16349 since the field list is sorted.
16350 (intra_create_variable_infos): Only add to referenced_vars if
16351 referenced_vars exists.
16352 (ipa_pta_execute): Init heapvars, and delete when done.
16353 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16355 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16357 * doc/install.texi: Add missing `@samp'.
16359 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16361 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16364 2006-02-18 Mark Wielaard <mark@klomp.org>
16366 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16367 who added new 4.1 features, bug fixes and integration support.
16369 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16372 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16373 MEM for ABI_V4 pic.
16375 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16377 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16378 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16379 (copy_insn_1): Likewise. Don't copy each field individually.
16381 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16383 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16384 * rtl.c (rtx_size): Rename variable to...
16385 (rtx_code_size): ...this.
16386 (rtx_size): New function.
16387 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16388 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16390 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16391 * rtl.h (rtx_code_size): New variable.
16392 (rtx_size): Change from a variable to a function.
16393 (RTX_SIZE): Rename to...
16394 (RTX_CODE_SIZE): ...this.
16397 PR tree-optimization/17106
16398 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16399 (Anchored Addresses): New section.
16400 * doc/invoke.texi (-fsection-anchors): Document.
16401 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16402 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16403 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16404 * hooks.c (hook_bool_mode_rtx_false): New function.
16405 * hooks.h (hook_bool_mode_rtx_false): Declare.
16406 * gengtype.c (create_optional_field): New function.
16407 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16408 SYMBOL_REF_IN_BLOCK_P is true.
16409 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16410 (min_anchor_offset, max_anchor_offset): Likewise.
16411 (use_anchors_for_symbol_p): New hook.
16412 * toplev.c (compile_file): Call output_object_blocks.
16413 (target_supports_section_anchors_p): New function.
16414 (process_options): Check that -fsection-anchors is only used on
16415 targets that support it and when -funit-at-a-time is in effect.
16416 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16417 if the decl doesn't have one.
16418 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16419 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16420 of force_const_mem through use_anchored_address.
16421 (expand_expr_constant): New function.
16422 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16423 calling expand_expr for INDIRECT_REF.
16424 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16425 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16426 * expr.h (use_anchored_address): Declare.
16427 * loop-unroll.c: Don't declare rtx vectors here.
16428 * explow.c: Include output.h.
16429 (validize_mem): Call use_anchored_address.
16430 (use_anchored_address): New function.
16431 * common.opt (-fsection-anchors): New switch.
16432 * varasm.c (object_block_htab, anchor_labelno): New variables.
16433 (hash_section, object_block_entry_eq, object_block_entry_hash)
16434 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16435 (use_blocks_for_decl_p, change_symbol_section): New functions.
16436 (get_variable_section): New function, split out from assemble_variable.
16437 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16438 use_blocks_for_decl_p say so. Use change_symbol_section if the
16439 symbol has already been created.
16440 (assemble_variable_contents): New function, split out from...
16441 (assemble_variable): ...here. Don't output any code for
16442 block symbols; just pass them to place_block_symbol.
16443 Use get_variable_section and assemble_variable_contents.
16444 (get_constant_alignment, get_constant_section, get_constant_size): New
16445 functions, split from output_constant_def_contents.
16446 (build_constant_desc): Create a block symbol if use_object_blocks_p
16447 says so. Or into SYMBOL_REF_FLAGS.
16448 (assemble_constant_contents): New function, split from...
16449 (output_constant_def_contents): ...here. Don't output any code
16450 for block symbols; just pass them to place_section_symbol.
16451 Use get_constant_section and get_constant_alignment.
16452 (force_const_mem): Create a block symbol if use_object_blocks_p and
16453 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16454 (output_constant_pool_1): Add an explicit alignment argument.
16455 Don't switch sections here.
16456 (output_constant_pool): Adjust call to output_constant_pool_1.
16457 Switch sections here instead. Don't output anything for block symbols;
16458 just pass them to place_block_symbol.
16459 (init_varasm_once): Initialize object_block_htab.
16460 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16461 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16462 (place_block_symbol, get_section_anchor, output_object_block)
16463 (output_object_block_htab, output_object_blocks): New functions.
16464 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16465 (TARGET_ASM_OUT): Include it.
16466 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16467 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16468 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16469 (TARGET_INITIALIZER): Include them.
16470 * rtl.c (rtl_check_failed_block_symbol): New function.
16471 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16472 (block_symbol, object_block): New structures.
16473 (rtx_def): Add a block_symbol field to the union.
16474 (BLOCK_SYMBOL_CHECK): New macro.
16475 (rtl_check_failed_block_symbol): Declare.
16476 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16477 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16478 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16479 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16480 * output.h (output_section_symbols): Declare.
16481 (object_block): Name structure.
16482 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16483 (default_use_anchors_for_symbol_p): Declare.
16484 * Makefile.in (RTL_BASE_H): Add vec.h.
16485 (explow.o): Depend on output.h.
16486 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16487 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16488 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16489 (rs6000_use_blocks_for_constant_p): New function.
16491 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16493 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16495 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16498 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16501 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16503 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16507 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16509 PR middle-end/26334
16510 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16511 instead of DECL_REGISTER.
16513 2006-02-18 Olivier Hainque <hainque@adacore.com>
16516 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16518 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16521 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16522 * opth-gen.awk: Handle Var and InverseMask together.
16523 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16524 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16525 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16526 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16528 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16529 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16530 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16531 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16532 LINUX_DYNAMIC_LINKER): Define.
16533 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16534 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16536 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16537 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16538 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16540 (TARGET_C99_FUNCTIONS): Don't define.
16541 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16542 GLIBC_DYNAMIC_LINKER.
16543 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16544 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16545 GLIBC_DYNAMIC_LINKER64): Define.
16546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16547 LINUX_DYNAMIC_LINKER64.
16548 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16550 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16552 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16554 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16555 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16556 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16557 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16558 and LINUX_DYNAMIC_LINKER32.
16559 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16560 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16561 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16563 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16565 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16566 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16567 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16568 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16569 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16570 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16571 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16572 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16573 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16574 LINUX_DYNAMIC_LINKER): Define.
16575 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16576 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16577 GLIBC_DYNAMIC_LINKER64): Define.
16578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16579 LINUX_DYNAMIC_LINKER64.
16580 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16581 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16582 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16583 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16584 LINUX_DYNAMIC_LINKER): Define.
16585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16586 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16587 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16588 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16589 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16590 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16591 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16592 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16593 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16594 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16596 * doc/invoke.texi (-muclibc): Remove caveat about supported
16599 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16601 * doc/cpp.texi (__TIMESTAMP__): Document.
16603 2006-02-17 Roger Sayle <roger@eyesopen.com>
16605 PR middle-end/25600
16606 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16607 C is one less than the width of X (and related transformations).
16608 * simplify-rtx.c (simplify_unary_operation_1): Transform
16609 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16610 depending on STORE_FLAG_VALUE, were C is one less then the
16613 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16615 Fix PR tree-optimization/26341
16616 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16617 about NAME_MEMORY_TAG's.
16619 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16622 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16623 with hardware float support, and software float support. Add fcpy
16624 alternative to hardware patterns. Add alternatives to copy between
16625 general and floating-point registers to the 32-bit pattern.
16626 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16627 secondary reload to load a QI or HI mode constant into a floating
16629 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16630 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16632 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16635 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16637 (load_macho_picbase_di): Likewise.
16639 2006-02-16 Jeff Law <law@redhat.com>
16641 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16642 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16643 (ssa_name_nonzero_p): Likewise.
16644 (get_value_range): Return NULL if VRP is not running.
16645 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16646 VRP routines do not discover a range.
16647 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16648 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16649 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16650 (tree_expr_nonnegative_p): Similarly.
16651 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16652 (restore_nonzero_vars_to_original_value): Remove.
16653 (unsafe_associative_fp_binop): Remove.
16654 (tree_ssa_dominator_optimize): Remove initialization and
16655 finalization of nonzero_vars and nonzero_vars_stack.
16656 (dom_opt_initialize_block): No longer push marker on
16657 nonzero_vars_stack.
16658 (dom_opt_finalize_block): No longer call
16659 restore_nonzero_vars_to_original_value.
16660 (record_equivalences_from_phis): No longer look for
16661 nonzero PHI arguments.
16662 (cprop_into_successor_phis): No longer propagate nonzero
16663 property into PHI arguments. Lose unused argument. Caller
16665 (record_equivalences_from_stmt): No longer record nonzero
16666 values for SSA_NAMEs.
16667 (lookup_avail_expr): No longer use nonzero_vars.
16669 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16670 for sizetype when sizetype is unsigned.
16672 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16674 PR rtl-optimization/25603
16675 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16676 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16677 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16678 with new meaning of SETS.
16680 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16685 * config/linux.opt: New file.
16686 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16687 LINUX_DYNAMIC_LINKER): Define.
16688 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16689 * config.gcc (*-*-linux*): Define extra_options.
16690 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16691 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16692 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16693 GLIBC_DYNAMIC_LINKER.
16694 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16695 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16696 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16697 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16698 * doc/invoke.texi (GNU/Linux Options): New section.
16700 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16702 * config/sparc/sparc.md (setjmp): Rewrite.
16703 (setjmp_32): Delete.
16704 (setjmp_64): Likewise.
16706 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16708 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16711 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16713 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16716 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16718 PR rtl-optimization/26296
16719 * Makefile.in (loop-invariant.c): Add except.h dependency.
16720 * loop-invariant.c: Include except.h.
16721 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16723 2005-02-16 Paul Brook <paul@codesourcery.com>
16725 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16728 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16730 PR rtl-optimization/25636
16731 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16732 when deciding whether an insn is an initializing insn.
16734 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16736 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16737 (tree_code_size): Ditto.
16738 * tree.h (struct tree_memory_tag): Remove parent_var.
16739 (struct tree_struct_field_tag): New.
16742 (union tree_node): Add sft member.
16743 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16745 (create_sft): Add size and offset argument, set SFT_OFFSET and
16747 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16748 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16749 * tree-flow-inline.h (get_subvar_at): Update for
16750 SFT_OFFSET/SFT_SIZE.
16751 (var_can_have_subvars): Ditto.
16752 (overlap_subvar): Ditto.
16753 * print-tree.c (print_node): Print out interesting things for
16755 * tree-flow.h (struct subvar): Remove offset and size members.
16756 * tree-ssa-operands.c (get_expr_operands): Update for
16757 get_indirect_ref_operands changes.
16758 (get_indirect_ref_operands): Call add_virtual_operand instead of
16759 add_stmt_operand. Only recurse on base var if requested.
16760 (access_can_touch_variable): New function.
16761 (add_stmt_operand): Split virtual operand handling into ...
16762 (add_virtual_operand): Here. Add offset, size, and for_clobber
16763 arguments. Prune alias sets.
16764 (add_call_clobber_ops): Call add_virtual_operand.
16766 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16768 PR middle-end/26300
16769 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16771 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16772 than TREE_CODE as index into omp_clause_num_ops array.
16774 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16776 PR rtl-optimization/26184
16777 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16779 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16780 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16781 must_precede, must_follow and tobe_scheduled.
16784 * opts.c (common_handle_option): Free new_option pointer.
16785 * df-core.c (df_analyze): Free postorder pointer.
16787 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16789 * Makefile.in: Fix the examples about the use of stamps
16791 2006-02-15 Michael Matz <matz@suse.de>
16793 PR middle-end/22275
16795 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16796 influenced by maximum_field_alignment or DECL_PACKED.
16797 (update_alignment_for_field): Ditto.
16798 (place_field): Ditto.
16799 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16802 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16804 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16805 (debug_flow_info): Pass it.
16806 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16807 * bb-reorder.c (reorder_basic_blocks): Likewise.
16808 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16809 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16810 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16811 * gcse.c (gcse_main, bypass_jumps): Likewise.
16812 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16813 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16814 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16815 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16816 * rtl.h (dump_flow_info): Adjust prototype.
16817 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16818 * var-tracking.c (variable_tracking_main): Likewise.
16819 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16820 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16823 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16825 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16828 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16830 PR tree-optimization/26209
16831 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16832 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16834 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16836 2006-02-14 Roger Sayle <roger@eyesopen.com>
16838 PR middle-end/23670
16839 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16840 (X,Y) and the corresponding symmetry related transformations.
16841 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16842 (X,Y) and its symmetry related transformations.
16844 2006-02-14 Roger Sayle <roger@eyesopen.com>
16846 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16849 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16851 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16853 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16856 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16857 support COMDAT group.
16858 * configure: Regenerate.
16860 2006-02-14 Roger Sayle <roger@eyesopen.com>
16862 PR middle-end/26279
16863 PR middle-end/26280
16864 PR middle-end/26283
16865 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16867 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16869 Fix PR tree-optimization/26260
16871 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16873 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16874 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16875 * tree-ssa-structalias.c (create_variable_info_for): Use
16876 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16878 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16880 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16882 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16883 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16884 of the ending condition.
16885 * tree-ssa-loop-manip.c: Include params.h.
16886 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16887 tree_unroll_loop): New functions.
16888 * tree-pass.h (pass_loop_prefetch): Declare.
16889 * loop.c (rest_of_handle_loop_optimize): Test for
16890 -fprefetch-loop-arrays-rtl.
16891 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16892 * timevar.def (TV_TREE_PREFETCH): New timevar.
16893 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16894 pass_loop_prefetch): New.
16895 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16896 (cleanup_tree_cfg_loop): Call scev_reset.
16897 * common.opt (fprefetch-loop-arrays-rtl): Add.
16898 * tree-ssa-loop-prefetch.c: New file.
16899 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16900 (new_temp_expr_table): Initialize expr_vars.
16901 (free_temp_expr_table): Cleanup expr_vars.
16902 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16903 expressions from being merged into one.
16904 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16905 (struct tree_niter_desc): Add control, bound and cmp fields.
16906 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16908 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16909 (tree-cfgcleanup.o): Add SCEV_H dependency.
16910 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16911 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16913 2006-02-14 Richard Guenther <rguenther@suse.de>
16915 PR tree-optimization/26258
16916 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16917 in PHI argument processing.
16919 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16921 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16922 new expression in the requested machine mode.
16924 2006-02-13 Roger Sayle <roger@eyesopen.com>
16926 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16927 directly, instead let do_compare_rtx_and_jump handle this for us.
16928 * expr.c (expand_expr_real_1): Likewise.
16929 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16930 before do_jump_by_parts_greater.
16931 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16932 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16934 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16936 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16938 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16940 PR rtl-optimization/26235
16941 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16942 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16945 2006-02-13 Jeff Law <law@redhat.com>
16947 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16950 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16952 PR middle-end/26092
16953 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16954 twice if decl is a builtin. When trying again, call get_callee_fndecl
16955 first to verify it is still a builtin.
16957 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16959 * dwarf2out.c (base_type_die): Don't add AT_name here.
16960 (subrange_type_die): Don't add AT_name here.
16961 (modified_type_die): Rearrange code flow. Do add AT_name here.
16963 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16965 PR rtl-optimization/26247
16966 PR rtl-optimization/26248
16967 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16969 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16971 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16972 * config/fixtfdi.c: Likewise.
16973 * config/fixunstfdi.c: Likewise.
16974 * config/floatditf.c: Likewise.
16976 2006-02-13 Roger Sayle <roger@eyesopen.com>
16978 PR middle-end/24427
16979 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16980 into (X,C2) if C1 is a subset of the bits of C2. Transform
16981 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16983 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16985 2006-02-13 Josh Conner <jconner@apple.com>
16988 * varasm.c (function_section): Check for section name before
16989 calling select_section on targets that define
16990 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16991 unlikely_text_section instead of hot_function_section if
16992 first_function_block_is_cold.
16994 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16996 PR middle-end/25335
16997 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16999 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17001 PR rtl-optimization/26222
17002 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17003 after tree->rtl expansion.
17004 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17005 before passing it to emit_move_insn.
17007 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17009 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17011 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17012 Clarify documentation.
17013 * c-common.h (warn_write_strings): Remove.
17014 * c-common.c (warn_write_strings): Likewise.
17015 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17018 2006-02-12 Roger Sayle <roger@eyesopen.com>
17020 PR middle-end/25724
17021 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17022 (do_jump_parts_zero_rtx): New function renamed from
17023 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17024 (do_jump_parts_equality_rtx): New function split out from
17025 do_jump_parts_equality. Old implementation renamed as above.
17026 Call do_jump_parts_zero_rtx if either operand is zero.
17027 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17028 do all of the heavy lifting.
17029 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17030 calling either do_jump_by_parts_greater_rtx or
17031 do_jump_by_parts_equality_rtx.
17032 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17033 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17034 moved to do_compare_rtx_and_jump, call it directly.
17035 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17036 mode argument. Call do_compare_rtx_and_jump.
17037 (emit_case_nodes): Update calls to do_jump_if_equal.
17039 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17041 PR rtl-optimization/26225
17042 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17044 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17046 PR rtl-optimization/26232
17047 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17049 2006-02-11 Jason Merrill <jason@redhat.com>
17052 * tree-inline.c (declare_return_variable): Just don't use the
17053 modify target if it's a gimple complex reg and the return slot
17056 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17058 * doc/contrib.texi: Update my entry.
17060 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17062 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17064 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17066 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17069 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17071 * doc/invoke.texi (-floop-optimize2): Removed.
17072 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17073 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17074 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17075 * common.opt (floop-optimize2): Removed.
17076 (fmove-loop-invariants): Enabled by default.
17078 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17080 * tree-if-conv.c (combine_blocks): Free the result of
17081 get_loop_exit_edges.
17083 2006-02-10 Jeff Law <law@redhat.com>
17085 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17087 PR tree-optimization/26213
17088 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17089 loop trying to follow SSA_NAME_VALUE chains.
17091 2006-02-10 Richard Guenther <rguenther@suse.de>
17093 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17094 deal with structures that end in implicitly variable sized arrays.
17096 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17098 PR rtl-optimization/24762
17099 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17102 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17104 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17105 (struct ivopts_data): Add regs_used field.
17106 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17107 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17108 instead of loop_data->regs_used;
17109 (free_loop_data): Do not free aux fields for loops.
17110 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17111 and tree_ssa_iv_optimize_finalize.
17113 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17115 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17117 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17120 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17121 computing the effective result type.
17123 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17125 PR inline-asm/16194
17126 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17127 (tree_overlaps_hard_reg_set): Declare.
17128 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17129 type and signature to match function type expected by walk_tree.
17130 (tree_overlaps_hard_reg_set): New function.
17131 (decl_conflicts_with_clobbers_p): Rename to:
17132 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17133 Use tree_overlaps_hard_reg_set. Changed caller.
17134 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17135 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17136 * cris.c (cris_md_asm_clobbers): Likewise.
17138 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17140 * reload1.c (emit_input_reload_insns): Delete code that tries to
17141 inherit using find_equiv_reg.
17143 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17145 * c-common.h (flag_const_strings): Don't declare.
17146 * c-common.c (flag_const_strings): Remove.
17147 * c.opt (fconst_strings): Remove.
17148 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17149 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17150 (c_common_init_options): Don't set flag_const_strings.
17151 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17153 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17155 * arm.md (tlobits_cbranch): New pattern.
17156 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17157 testing a single bit.
17159 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17162 * tree-ssa-pre.c (create_component_ref_by_pieces):
17163 Handle RETURN_DECL like VAR_DECL.
17165 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17167 PR middle-end/26134
17168 * fold-const.c (fold_indirect_ref_1): Fold
17169 "*(foo *)&complexfoo" to "__real__ complexfoo"
17170 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17172 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17174 * tree-flow-inline.h (var_can_have_subvars):
17175 Volatile variables should not have subvariables.
17177 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17180 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17181 multiplying unsigned values.
17184 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17186 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17188 2006-02-08 Jason Merrill <jason@redhat.com>
17191 * tree.def: Elaborate on difference from MODIFY_EXPR.
17192 * doc/c-tree.texi (INIT_EXPR): Likewise.
17193 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17194 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17195 (gimplify_target_expr): Likewise.
17196 (gimplify_cond_expr): Remove target handling.
17197 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17198 (gimplify_expr): Clobber it here.
17199 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17200 Do return slot optimization if we have an INIT_EXPR.
17203 * tree-inline.c (declare_return_variable): Also clear
17204 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17207 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17209 PR middle-end/22439
17210 * gimplify.c (gimplify_one_sizepos): Fix typo.
17212 2006-02-08 Jeff Law <law@redhat.com>
17214 PR tree-optimization/21417
17215 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17216 across a backedge if the control statement at the end of the
17217 block is data dependent on other statements in the same block.
17218 (record_temporary_equivalences_from_stmts): Remove over-conservative
17219 test for threading across backedges.
17221 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17222 control statement, handle all three special cases in the same
17223 manner as they all have the same desired solution. No longer
17224 special case edge flag updating when the post dominator is
17227 2006-02-08 Roger Sayle <roger@eyesopen.com>
17229 * tree.def (CHAR_TYPE): Remove.
17230 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17231 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17232 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17233 (gen_string_type_die): Delete unreachable function.
17235 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17236 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17237 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17238 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17239 * builtins.c (type_to_class): Likewise.
17240 * fold-const.c (fold_convert, build_range_check,
17241 merge_ranges): Likewise.
17242 * expr.c (count_type_elements): Likewise.
17243 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17244 * stor-layout.c (layout_type): Likewise.
17245 * ipa-type-escape.c (type_to_consider): Likewise.
17246 * gimplify.c (omp_firstprivatize_type_sizes,
17247 gimplify_type_sizes): Likewise.
17248 * explow.c (promote_mode): Likewise.
17249 * tree-sra.c (is_sra_scalar_type): Likewise.
17250 * varasm.c (output_constant): Likewise.
17251 * tree-inline.c (remap_type_1): Likewise.
17252 * convert.c (convert_to_pointer, convert_to_real,
17253 convert_to_integer, convert_to_complex): Likewise.
17255 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17257 * df-scan.c (df_def_record_1): A set destination may
17258 be a parallel regardless of mode.
17260 2006-02-08 Roger Sayle <roger@eyesopen.com>
17263 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17264 * config/mips/_tilib.c: Remove.
17265 * config/fixtfdi.c: New libgcc source file.
17266 * config/fixunstfdi.c: New source file.
17267 * config/floatditf.c: New source file.
17268 * config/floatunditf.c: New souce file.
17269 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17270 files above instead of config/mips/_tilib.c.
17271 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17273 2006-02-08 Jeff Law <law@redhat.com>
17275 PR tree-optimization/26169
17276 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17279 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17281 * df.h (DF_REG_SIZE): Return the length of the initialized
17284 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17286 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17287 __muldf3): Return a correctly signed zero.
17289 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17291 * passes.c (register_one_dump_file): Accept the current properties
17292 instead of pass number. Adjust call to dump_register. Remove
17294 (register_dump_files): Now a wrapper around...
17295 (register_dump_files_1): ... this one. Do not modify the pass
17297 (next_pass_1): Cosmetic fix.
17298 (execute_todo): Keep second parameter only. Use curr_properties
17299 instead of fetching it from the pass structure. Check and set
17301 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17302 instead of fetching it from the pass structure. Fix calls to
17303 execute_todo. Update curr_properties and initialize .vcg RTL dump
17304 after running the pass. Reset last_verified.
17305 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17307 (FIRST_AUTO_NUMBERED_DUMP): New.
17308 (dump_register): Remove "num" parameter, assign it within the
17310 (get_dump_file_name): Modify template for dumps.
17311 * tree-dump.h (dump_register): Adjust prototype.
17312 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17313 (PROP_trees): Add PROP_gimple_lomp.
17314 (TODO_set_props): New.
17315 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17316 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17317 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17319 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17321 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17322 (sparc64-*-linux*): Likewise.
17323 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17324 * config/sparc/t-linux: New file.
17325 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17326 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17327 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17328 -m32 -mlong-double-128.
17330 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17331 * config/alpha/t-linux: New file.
17332 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17334 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17335 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17336 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17337 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17338 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17339 (CPP_ARCH32_SPEC): Remove.
17341 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17343 PR tree-optimization/26145
17344 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17347 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17350 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17351 >= 240000 when generating code for SOM runtime.
17352 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17353 to $$dyncall when generating code for SOM runtime..
17355 2006-02-07 Dirk Mueller <dmueller@suse.com>
17358 * doc/invoke.texi (-Wsequence-point): Update documentation
17359 that -Wsequence-point is implemented for C++ as well.
17361 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17363 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17364 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17365 (LIB_SPEC): Likewise.
17366 * doc/invoke.texi (SPARC options): Document -pthread.
17368 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17370 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17373 2006-02-07 Roger Sayle <roger@eyesopen.com>
17375 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17376 Correct comment describing BOOLEAN_TYPE.
17378 2006-02-07 Dirk Mueller <dmueller@suse.com>
17380 * c.opt: C++ frontend supports -Wdiv-by-zero.
17381 * c-opts.c (c_common_handle_option): Remove dead case.
17383 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17385 * configure.ac (TLS assembler check): Do not enable TLS by
17386 default on SPARC/Solaris before version 10.
17387 * configure: Regenerate.
17389 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17391 * doc/invoke.texi (xl-compat): Document conversion and support
17394 2006-02-07 Jeff Law <law@redhat.com>
17396 * tree-vrp.c (find_conditional_asserts): Update comments.
17397 (simplify_stmt_for_jump_threading): New.
17398 (identify_jump_threads, finalize_jump_threads): New.
17399 (vrp_finalize): Call identify_jump_threads.
17400 (execute_vrp): Call finalize_jump_threads.
17401 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17402 (vrp_element, vrp_data, vrp_element_p): Remove.
17403 (vrp_hash_elt, vrp_variables_stack): Remove.
17404 (vrp_hash, vrp_eq, record_range): Remove.
17405 (simplify_cond_and_lookup_avail_expr): Remove.
17406 (extract_range_from_cond): Remove.
17407 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17408 (simplify_stmt_for_jump_threading): New.
17409 (dom_thread_across_edge): New wrapper.
17410 (tree_ssa_dominator_optimize): No longer initialize or
17411 finalize any of the VRP datastructures. Remove iteration
17412 step and simplify as a result of removal of iteration step.
17413 (pass_dominator): Perform a cfg cleanup after DOM.
17414 (dom_opt_finalize_block): Use the new common routines
17415 for threading jumps. Simplify stack management slightly.
17416 No longer need to unwind VRP state.
17417 (record_equivalences_from_incoming_edge): No longer record
17419 (eliminate_redundant_computations): No longer call
17420 simplify_cond_and_lookup_avail_expr.
17421 * tree-flow.h (potentially_threadable_block): Prototype.
17422 (thread_across_edge): Likewise.
17423 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17424 (tree-ssa-threadedge.o): Add dependencies.
17425 * tree-ssa-threadedge.c: New file.
17426 * passes.c (init_optimization_passes): Merge PHIs before
17427 calling VRP. Run VRP again late in the SSA optimization pipeline.
17429 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17431 * df-core.c (df_set_blocks): Do not dereference function pointers.
17432 (df_finish1): Likewise.
17433 (df_hybrid_search_forward): Likewise.
17434 (df_hybrid_search_backward): Likewise.
17435 (df_iterative_dataflow): Likewise.
17436 (df_analyze_problem): Likewise.
17437 (df_compact_blocks): Likewise.
17438 (df_dump): Likewise.
17439 * df-scan.c (df_rescan_blocks): Likewise.
17440 (df_record_entry_block_defs): Likewise.
17442 * genconditions.c (write_conditions): Guard the definition of
17443 'insn_conditions' with the check on GCC version.
17444 (write_writer): Guard the traversal 'insn_conditions' with
17445 the check on GCC version.
17447 2006-02-07 Richard Guenther <rguenther@suse.de>
17451 2006-01-30 Richard Guenther <rguenther@suse.de>
17453 * gimplify.c (gimplify_target_expr): Handle easy cases
17454 without creating a temporary.
17456 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17458 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17459 use of float in probability computations. Use edge probabilities
17460 in place of statically computed probabilities.
17461 (min_spec_prob): New static variable.
17462 (schedule_insns): Initialize it.
17463 (GET_SRC_PROB): Removed.
17464 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17466 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17469 * config/ia64/unwind-ia64.c: Revert last change.
17470 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17471 (INCOMING_FRAME_SP_OFFSET): Define.
17473 2006-02-06 Roger Sayle <roger@eyesopen.com>
17475 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17477 2006-02-07 Ben Elliston <bje@au.ibm.com>
17479 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17480 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17481 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17482 (ix86_return_in_memory): Handle TDmode.
17483 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17484 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17486 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17488 * reorg.c (dbr_schedule): Use dump_file instead of file.
17490 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17493 * config/ia64/predicates.md (extr_len_operand): New predicate.
17494 * config/ia64/ia64.md (extv): Tighten constraints.
17496 (*tbit_and_2): Ditto.
17497 (*tbit_and_3): Ditto.
17498 (*tbit_or_2): Ditto.
17499 (*tbit_or_3): Ditto.
17500 (*bit_zero): Ditto.
17503 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17506 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17508 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17510 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17511 loop_optimizer_init and loop_optimizer_finalize
17512 * tree-ssa-sink.c (execute_sink_code): Ditto.
17513 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17514 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17515 tree_ssa_loop_done): Ditto.
17516 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17517 * sched-ebb.c: Include output.h.
17518 (schedule_ebbs): Do not use dump argument.
17519 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17520 * loop.c (loop_dump_stream): Removed.
17521 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17523 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17524 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17525 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17526 loop_iterations, strength_reduce, record_biv, record_giv,
17527 final_giv_value, check_final_value, check_ext_dependent_givs,
17528 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17529 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17530 dump_file instead of loop_dump_stream.
17531 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17532 argument dump_file.
17533 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17535 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17536 * haifa-sched.c: Include output.h
17537 (schedule_insns, sched_init): Do not use dump argument.
17538 * mode-switching.c (optimize_mode_switching): Ditto.
17539 * modulo-sched.c (stats_file): Removed.
17540 (print_node_sched_params): Do not call argument dump_file.
17541 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17542 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17544 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17546 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17547 rtl_loop_init, rtl_loop_done): Ditto.
17548 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17549 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17551 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17552 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17553 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17554 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17555 * emit-rtl.c (renumber_insns): Ditto.
17556 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17557 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17558 * regclass.c (regclass): Ditto.
17559 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17560 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17561 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17562 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17564 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17565 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17567 * gcse.c (gcse_file, debug_stderr): Removed.
17568 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17569 rest_of_handle_gcse): Do not use dump argument.
17570 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17571 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17572 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17573 compute_code_hoist_vbeinout, compute_code_hoist_data,
17574 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17575 compute_store_table, build_store_vectors, insert_insn_start_bb,
17576 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17577 store_motion): Use dump_file instead of gcse_file.
17578 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17579 * profile.c (profile_dump_file): Removed.
17580 (branch_prob): Use dump_file instead of profile_dump_file.
17581 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17583 * tree-ssa-copy.c (dump_copy_of): Ditto.
17584 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17585 dump file to life_analysis.
17586 * bt-load.c (branch_target_load_optimize): Ditto.
17587 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17589 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17590 regclass, dbr_schedule): Declaration changed.
17591 * sched-int.h (sched_init): Declaration changed.
17592 * tree-profile.c (tree_profile_dump_file): Removed.
17593 (tree_profile_hooks): Removed profile_dump_file hook.
17594 * rtl-profile (rtl_profile_dump_file): Removed.
17595 (rtl_profile_hooks): emoved profile_dump_file hook.
17596 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17598 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17599 * tree-cfg.c (build_tree_cfg): Ditto.
17600 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17601 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17602 Declaration changed.
17603 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17604 life_analysis and schedule_insns.
17605 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17607 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17609 * config/mips/mips.c (mips_reorg): Ditto.
17610 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17613 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17615 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17616 (s390_mangle_fundamental_type): New.
17617 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17620 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17621 (alpha_mangle_fundamental_type): New.
17622 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17625 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17627 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17629 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17630 (sparc_mangle_fundamental_type): New.
17632 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17634 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17635 (s390x-*-linux*): Likewise.
17636 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17637 * config/s390/t-linux: New file.
17639 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17641 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17642 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17644 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17646 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17647 (ANTIC_SAFE_LOADS): New macro.
17648 (find_or_generate_expression): Add prototype.
17649 (set_contains_value): Allow null set for sake of not always having
17650 to allocate ANTIC_SAFE_LOADS.
17651 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17652 Allow COMPONENT_REF too.
17653 (valid_in_set): Allow COMPONENT_REF.
17654 Check ANTIC_SAFE_LOADS too.
17655 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17656 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17658 (can_PRE_operation): Add COMPONENT_REF.
17659 (create_component_ref_by_pieces): New function.
17660 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17661 (insert_aux): Move AGGREGATE_TYPE_P check here.
17662 (compute_avail): Set bb local stmt uids.
17663 (pass_pre): Use TODO_update_ssa_only_virtuals.
17665 2006-02-06 Ben Elliston <bje@au.ibm.com>
17667 * configure.ac: Unconditionally disable decimal float by default.
17668 * configure: Regenerate.
17670 2006-02-06 Ben Elliston <bje@au.ibm.com>
17672 * read-rtl.c (read_name): Terminate reading on EOF.
17674 2006-02-06 Ben Elliston <bje@au.ibm.com>
17676 * dfp.c (decimal_real_arithmetic): Change second argument type
17677 from int to enum tree_code. Do not always return true, but now
17678 return result of any call to decimal_do helper functions.
17679 * dfp.h (decimal_real_arithmetic): Update prototype.
17681 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17683 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17685 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17688 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17691 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17693 * tree-vrp.c (cfg_loops): Removed.
17694 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17695 Use current_loops instead of cfg_loops. Pass flags to
17696 loop_optimizer_init.
17697 * cfgloopmanip.c (fix_loop_structure): Update only available
17699 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17700 loop_optimizer_init.
17701 * modulo-sched.c (build_loops_structure): Removed.
17702 (sms_schedule): Use loop_optimizer_init.
17703 * loop-init.c (loop_optimizer_init): Use flags to determine
17704 which properties of loops to prepare.
17705 (rtl_loop_init): Pass flags to loop_optimizer_init.
17706 * tree-ssa-sink.c (execute_sink_code): Ditto.
17707 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17708 * tree-ssa-pre.c (init_pre): Ditto.
17709 * cfgloop.h (LOOPS_NORMAL): New.
17710 (loop_optimizer_init): Declaration changed.
17712 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17714 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17715 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17717 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17719 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17721 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17722 * pa/t-pa64: Delete quadlib.c rule.
17723 * pa/x-ada: Revert last change.
17724 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17726 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17728 PR rtl-optimization/26087
17729 * rtlanal.c (canonicalize_condition): Do not cross basic block
17732 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17735 * config/ia64/ia64.c: Include debug.h.
17736 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17737 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17738 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17739 (process_epilogue, process_set, process_for_unwind_directive):
17740 Output unwind info only if requested. Add CFA info if requested.
17741 Add new arguments as needed. Adjust callers.
17742 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17744 (DWARF2_FRAME_INFO): Define to zero.
17745 * config/ia64/unwind-ia64.c: Remove code that compensated for
17746 the CFA offset error fixed above.
17747 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17748 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17749 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17750 -funwind-tables and -fexceptions to enable frame info.
17751 (dwarf2out_frame_init): Define initial CFA even if
17752 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17753 DWARF2_UNWIND_INFO is nonzero, not just defined.
17754 (dwarf2out_frame_finish): Output non-EH call frame info only
17755 if DWARF2_FRAME_INFO is nonzero.
17756 (convert_cfa_to_loc_list,
17757 compute_frame_pointer_to_cfa_displacement): Define even if
17758 unwind info is not supported.
17759 (gen_subprogram_die): Use the above unconditionally. Remove
17760 legacy alternate code.
17761 * toplev.c (compile_file): Compile in call to
17762 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17763 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17765 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17766 Jakub Jelinek <jakub@redhat.com>
17768 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17769 IBM extended float format long double as "g" on powerpc*-linux.
17771 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17774 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17775 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17777 2006-02-03 Jason Merrill <jason@redhat.com>
17780 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17782 PR middle-end/25977
17783 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17784 on the return slot if it's an NRV.
17786 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17788 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17789 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17790 rewrite_use): Do not handle USE_OUTER.
17791 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17792 add_iv_outer_candidates, may_replace_final_value,
17793 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17794 (find_interesting_uses_op): Functionality of
17795 find_interesting_uses_outer_or_nonlin moved here.
17796 (find_interesting_uses_outside): Use find_interesting_uses_op.
17798 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17801 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17803 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17804 Ulrich Weigand <uweigand@de.ibm.com>
17807 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17808 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17809 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17810 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17812 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17813 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17814 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17815 Define secondary reloads for TFmode moves.
17816 (constant_modes): Add TFmode.
17817 (NR_C_MODES): Set to 8.
17818 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17820 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17821 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17822 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17823 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17824 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17825 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17826 (FPR mode macro): Add TFmode.
17827 (DSF mode macro): New.
17828 (<de>, <dee> mode attributes): Removed.
17829 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17830 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17831 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17832 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17833 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17834 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17835 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17836 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17837 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17838 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17839 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17840 "*negabs<mode>2", "sqrt<mode>2"):
17841 Changed <de> to <xde>. R constraint replaced by <Rf>.
17842 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17844 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17845 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17846 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17848 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17849 "extenddftf2", "extendsftf2"): New expanders.
17850 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17851 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17852 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17853 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17855 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17856 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17857 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17858 __floatditf): Add a GCC_4.1.0 symbol version tag.
17859 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17862 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17865 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17866 Use targetm.binds_local_p instead of TREE_PUBLIC.
17868 2006-02-02 Roger Sayle <roger@eyesopen.com>
17870 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17871 on INTEGER_TYPEs to indicate that it denotes a character type.
17872 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17873 signed_char_type_node, unsigned_char_type_node and char_type_node.
17874 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17875 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17876 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17878 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17879 Daniel Berlin <dberlin@dberlin.org>
17881 * tree-tailcall.c (arg_needs_copy_p): New function.
17882 (eliminate_tail_call): Use arg_needs_copy_p.
17883 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17884 (add_virtual_phis): New function.
17886 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17888 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17889 #ignore instead of #scratch for %g7 .register directive.
17891 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17893 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17896 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17898 * flow.c (calculate_global_regs_live): Assert that there aren't any
17901 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17903 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17904 what its name says.
17905 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17906 bsi_after_labels iterator.
17907 * tree-if-conv.c (find_phi_replacement_condition,
17908 replace_phi_with_cond_modify_expr): Likewise.
17909 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17910 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17912 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17914 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17916 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17919 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17920 array after growing it.
17922 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17924 PR middle-end/24901
17925 * fold-const.c (fold_checksum_tree): Change type of buf.
17927 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17929 * reload.c (push_secondary_reload): Initialize t_icode.
17931 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17933 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17934 -msoft-float -mlong-double-128 only issue a warning, but don't
17935 swich to DFmode long double.
17937 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17939 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17940 has a constant equivalent, iterate over equivalents for arg0,
17941 calling simplify_relational_operation and if there's a result
17942 cheaper than X, apply fold_rtx and return the result.
17944 2006-02-01 Jan Hubicka <jh@suse.cz>
17946 * opts.c (no_unit_at_a_time_default): New global variable.
17947 (decode_options): Use it.
17948 * opts.h (no_unit_at_a_time_default): Declare.
17950 2006-02-01 Paul Brook <paul@codesourcery.com>
17952 * function.c (assign_parm_setup_reg): Use function argument promotion
17954 * expr.c (expand_expr_real_1): Use function argument promotion rules
17957 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17959 * gcc.c (process_command): Change j to 'unsigned int'.
17961 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17963 PR middle-end/26001
17964 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17965 Use the corrected index for the character
17966 out of the string constant.
17968 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17970 * mode-switching.c (optimize_mode_switching): Fix size
17971 allocated for bb_info[n_entities].
17973 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17975 * gcc.c (main): Correct type that is allocated for
17976 explicit_link_files.
17978 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17980 * config/s390/s390.c (init_alignment_context): Set
17981 ALIAS_SET_MEMORY_BARRIER on the MEM.
17982 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17984 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17986 PR middle-end/25933
17987 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17989 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17992 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17994 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17995 * regrename.c: Ditto.
17996 * tree-ssa-loop-im.c: Ditto.
17997 * tree-dump.c: Ditto.
17998 * tree-complex.c: Ditto.
17999 * genrecog.c: Ditto.
18000 * tree-ssa-threadupdate.c: Ditto.
18002 * java/class.c: Ditto.
18003 * java/jcf-parse.c: Ditto.
18004 * java/resource.c: Ditto.
18005 * java/except.c: Ditto.
18006 * java/jvspec.c: Ditto.
18007 * java/jcf-write.c: Ditto.
18008 * java/jcf-path.c: Ditto.
18009 * java/gjavah.c: Ditto.
18010 * java/zextract.c: Ditto.
18011 * java/jcf-io.c: Ditto.
18012 * java/jcf.h: Ditto.
18013 * java/buffer.c: Ditto.
18014 * java/lang.c: Ditto.
18015 * java/parse-scan.y: Ditto.
18016 * java/lex.c: Ditto.
18017 * java/lex.h: Ditto.
18018 * cfgloopmanip.c: Ditto.
18019 * postreload-gcse.c: Ditto.
18020 * tree-ssa-loop-manip.c: Ditto.
18021 * postreload.c: Ditto.
18022 * tree-ssa-loop-ch.c: Ditto.
18025 * cppspec.c: Ditto.
18026 * diagnostic.c: Ditto.
18028 * genoutput.c: Ditto.
18030 * cfghooks.c: Ditto.
18031 * cfgloopanal.c: Ditto.
18032 * objc/objc-act.c: Ditto.
18034 * genextract.c: Ditto.
18035 * genautomata.c: Ditto.
18036 * pretty-print.c: Ditto.
18037 * genemit.c: Ditto.
18038 * cgraphunit.c: Ditto.
18040 * df-scan.c: Ditto.
18041 * haifa-sched.c: Ditto.
18042 * dominance.c: Ditto.
18044 * tree-ssa-loop-ivopts.c: Ditto.
18045 * df-core.c: Ditto.
18046 * mode-switching.c: Ditto.
18047 * modulo-sched.c: Ditto.
18049 * ipa-pure-const.c: Ditto.
18051 * fix-header.c: Ditto.
18053 * tree-stdarg.c: Ditto.
18054 * ipa-utils.c: Ditto.
18055 * loop-init.c: Ditto.
18056 * ipa-inline.c: Ditto.
18057 * cfganal.c: Ditto.
18059 * alloc-pool.c: Ditto.
18060 * dwarf2out.c: Ditto.
18062 * genattrtab.c: Ditto.
18063 * tree-ssa-loop-ivcanon.c: Ditto.
18064 * predict.c: Ditto.
18065 * timevar.c: Ditto.
18067 * fortran/gfortranspec.c: Ditto.
18068 * regmove.c: Ditto.
18069 * local-alloc.c: Ditto.
18070 * langhooks.c: Ditto.
18071 * function.c: Ditto.
18072 * tree-vectorizer.c: Ditto.
18074 * ipa-type-escape.c: Ditto.
18076 * tree-if-conv.c: Ditto.
18077 * profile.c: Ditto.
18079 * tree-data-ref.c: Ditto.
18080 * loop-unroll.c: Ditto.
18081 * treelang/treetree.c: Ditto.
18083 * bt-load.c: Ditto.
18084 * ggc-common.c: Ditto.
18086 * coverage.c: Ditto.
18088 * tree-cfgcleanup.c: Ditto.
18089 * tree-ssa-pre.c: Ditto.
18090 * cfgcleanup.c: Ditto.
18091 * loop-invariant.c: Ditto.
18092 * loop-iv.c: Ditto.
18093 * ipa-prop.c: Ditto.
18094 * print-tree.c: Ditto.
18095 * conflict.c: Ditto.
18096 * ggc-page.c: Ditto.
18097 * sched-deps.c: Ditto.
18098 * regclass.c: Ditto.
18099 * tree-object-size.c: Ditto.
18100 * combine.c: Ditto.
18101 * bb-reorder.c: Ditto.
18102 * resource.c: Ditto.
18103 * var-tracking.c: Ditto.
18104 * cfgloop.c: Ditto.
18105 * df-problems.c: Ditto.
18106 * reg-stack.c: Ditto.
18108 * gccspec.c: Ditto.
18109 * sched-rgn.c: Ditto.
18110 * tree-ssa-structalias.c: Ditto.
18111 * tree-ssa-reassoc.c: Ditto.
18112 * config/darwin-c.c: Ditto.
18113 * config/darwin.c: Ditto.
18114 * config/arm/arm.c: Ditto.
18116 * collect2.c: Ditto.
18117 * reload1.c: Ditto.
18119 2006-01-31 Nicolas Pitre <nico@cam.org>
18121 * arm.md (smaxsi3): Make aware of smax_m1.
18124 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18126 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18128 2006-01-31 Richard Guenther <rguenther@suse.de>
18130 * doc/invoke.texi (-msselibm): Document.
18131 * target.h (expand_library_builtin): New target hook.
18132 * builtins.c (expand_builtin): Use expand_library_builtin.
18133 (default_expand_library_builtin): New function.
18134 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18135 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18136 (link_gcc_math_spec): Declare.
18137 (static_specs): Add link_gcc_math_spec.
18138 * expr.h (default_expand_library_builtin): Declare.
18139 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18140 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18141 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18142 * config/i386/i386.opt (msselibm): New target option.
18143 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18144 (ix86_init_sse_abi_builtins): New function.
18145 (ix86_expand_library_builtin): Likewise.
18146 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18147 (override_options): Handle error conditions wrt -msselibm.
18148 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18149 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18150 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18153 2006-01-31 Richard Guenther <rguenther@suse.de>
18154 Paolo Bonzini <bonzini@gnu.org>
18156 * doc/install.texi (--disable-libgcc-math): Document.
18158 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18160 * expr.h (expand_normal): new inline function.
18161 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18162 * dojump.c: use it.
18163 * dwarf2out.c: use it.
18166 * expmed.c: use it.
18167 * except.c: use it.
18168 * config/sparc/sparc.c: use it.
18169 * config/i386/i386.c: use it.
18170 * config/rs6000/rs6000.c: use it.
18171 * config/arm/arm.c: use it.
18172 * config/mips/mips.c: use it.
18173 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18175 2006-01-30 Roger Sayle <roger@eyesopen.com>
18177 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18178 argv to the appropriate type.
18180 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18182 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18185 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18188 * config/s390/s390.c (struct machine_function): New flag
18189 decomposed_literal_pool_addresses_ok_p.
18190 (s390_reorg): Set it before final stage of literal pool transforms.
18191 (s390_decompose_address): Only accept displacements of the form
18192 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18194 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18196 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18197 the comparison routine return.
18199 2006-01-30 Michael Matz <matz@suse.de>
18201 * global.c (find_reg): Only evict for global regs.
18202 Take n_refs into account and dump more info.
18204 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18207 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18208 (pragma_trap, pragma_nosave_low_regs): Likewise.
18209 (current_function_anonymous_args): Likewise.
18210 (sh_deferred_function_attributes): New variable.
18211 (sh_deferred_function_attributes_tail): Likewise.
18212 (print_operand): For '@', look up trap_exit attribute.
18213 (calc_live_regs): Look up trapa_handler attribute. For trapa
18214 handlers, save/restore fpscr, but don't do any other
18215 interrupt-specific saves.
18216 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18217 Fix check for partially saved registers to check for SHmedia.
18218 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18219 (sh_output_function_epilogue): Don't clear any of the removed
18221 (sh_insert_attributes): Don't check pragma_interrupt.
18222 Insert deferred attributes. Check that interrupt attribute is
18223 present for other attributes that require its presence.
18224 (sh_attribute_table): Add new attributes trapa_handler and
18226 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18227 Don't check for pragma_interrupt. Don't store argument.
18228 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18229 (sh_deferred_function_attributes): Declare.
18230 (sh_deferred_function_attributes_tail): Likewise.
18231 * sh.md (sp_switch_1): Add operand. Change generator caller.
18232 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18233 (*return_i): Don't use when trap_exit attribute is in effect.
18234 (*return_trapa): New insn pattern.
18235 * sh-c.c: New file.
18236 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18237 setting c_target_objs and cxx_target_objs.
18238 * t-sh: Add rule for sh-c.o.
18240 2006-01-30 Richard Guenther <rguenther@suse.de>
18243 * gimplify.c (gimplify_target_expr): Handle easy cases
18244 without creating a temporary.
18246 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18248 * vec.h (safe_grow): Remove duplicated line.
18250 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18253 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18254 (expand_omp): ... here.
18255 (expand_omp_parallel): Only remove barriers for combined
18256 parallel+workshare constructs.
18258 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18262 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18263 * tree.c (build_qualified_type): Chain the new type to the original
18264 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18265 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18266 (build_pointer_type_for_mode): Only return unqualified types.
18267 (build_reference_type_for_mode): Likewise.
18269 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18271 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18272 * Makefile.in (CXX_COMPAT_WARN): Define.
18273 * configure: Regenerate.
18275 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18278 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18281 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18283 * toplev.c: Fix thinko.
18285 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18286 Marcin Dalecki <martin@dalecki.de>
18288 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18289 (push_srcloc): Use XNEW.
18290 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18292 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18294 * df-core.c (df_set_blocks): Deleted all variable.
18296 2006-01-28 Ian Lance Taylor <ian@airs.com>
18298 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18299 cgraph_output_pending_asms.
18301 2006-01-28 Zack Weinberg <zackw@panix.com>
18303 * c.opt: Add -W(no-)overlength-strings.
18304 * doc/invoke.texi: Document it.
18305 * c-opts.c (c_common_handle_option): -pedantic implies
18306 -Woverlength-strings, if not explicitly disabled already.
18307 (c_common_post_options): -Woverlength-strings defaults to off, and
18308 is always off for C++.
18309 * c-common.c (fix_string_type): Issue warning about strings longer
18310 than is portable only if warn_overlength_strings. Rearrange code
18311 a little for clarity.
18312 * configure.in: Check for -Wno-overlength-strings as well before
18313 enabling -pedantic in stage 1.
18314 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18315 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18317 * genconditions.c (write_header, write_one_condition)
18318 (write_conditions, write_writer): Consolidate very long strings
18319 that were broken up to fit in C89 portable limit. Don't use
18320 printf when fputs will do.
18322 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18324 * combine.c (simplify_comparison <AND>): Check
18325 TRULY_NOOP_TRUNCATION before start using a subreg.
18327 * config/mips/mips.md (*branch_zero<mode>,
18328 *branch_zero<mode>_inverted, *branch_equality<mode>,
18329 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18330 Remove mode check from comparisons.
18332 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18334 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18336 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18338 * expmed.c (const_mult_add_overflow_p): Remove.
18339 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18341 * recog.c (validate_replace_rtx_subexp): Remove.
18342 * recog.h: Remove the prototype for
18343 validate_replace_rtx_subexp.
18345 * integrate.h: Remove the prototype for
18346 copy_decl_for_inlining.
18347 * rtl.h: Remove the prototype for mark_constant_function.
18348 * tree-vectorizer.h: Remove the prototype for
18349 vect_strip_conversion.
18351 * modulo-sched.c (create_partial_schedule,
18352 free_partial_schedule, reset_partial_schedule): Make them
18355 * hooks.c (hook_bool_rtx_int_false): Remove.
18356 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18358 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18360 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18361 and -mlong-double-128 are incompatible.
18362 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18363 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18364 (TARGET_LIBGCC2_CFLAGS): Define.
18365 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18366 (TARGET_LIBGCC2_CFLAGS): Same.
18367 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18369 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18372 * c-typeck.c (build_binary_op): Perform implicit casts of
18373 operands before shortening them.
18375 * cfgloopmanip.c (split_loop_bb): Remove.
18376 * cfgloop.h: Remove the prototype for split_loop_bb.
18378 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18379 * cfgloop.h: Remove the prototype for
18380 flow_loop_outside_edge_p.
18382 * emit-rtl.c (init_virtual_regs): Make it static.
18383 * function.h: Remove the prototype for init_virtual_regs.
18385 * recog.c (peephole2_optimize): Make it static.
18386 * recog.h: Remove the prototype for peephole2_optimize.
18388 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18390 * df-scan.c (df_record_entry_block_defs): Check if
18391 INCOMING_RETURN_ADDR_RTX is defined.
18393 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18394 Kenneth Zadeck <zadeck@naturalbridge.com>
18396 PR rtl-optimization/24762
18397 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18398 * targhooks.c (hook_void_bitmap): New hook prototype.
18399 * targhoohs.h (hook_void_bitmap): Ditto.
18400 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18401 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18402 * target.h (live_on_entry): New function pointer.
18403 * df-scan.c (df_all_hard_regs): Removed.
18404 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18405 (df_scan_free_internal): Added df->entry_block_defs.
18406 (df_scan_alloc): Ditto.
18407 (df_scan_dump): Ditto.
18408 (df_uses_record): Plumbed flag field properly thru calls.
18409 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18410 This part fixes PR24762.
18411 (df_bb_refs_record): Added code to make the frame and arg
18412 pointers live in EH blocks.
18413 (df_refs_record): Added call to df_record_entry_block_defs.
18414 (df_record_entry_block_defs): New function.
18415 * df-core.c: Added comments to describe new artifical defs.
18416 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18417 (entry_block_defs): New field in struct df.
18418 (df_all_hard_regs): Deleted.
18419 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18420 * df-problems.c (df_ru_bb_local_compute_process_def):
18421 Added code to handle artifical defs in the entry to a function.
18422 (df_ru_bb_local_compute): Ditto.
18423 (df_rd_bb_local_compute_process_def): Ditto.
18424 (df_rd_bb_local_compute): Ditto.
18425 (df_lr_bb_local_compute): Ditto.
18426 (df_ur_bb_local_compute): Ditto.
18427 (df_urec_bb_local_compute): Ditto.
18428 (df_chain_create_bb): Ditto.
18429 (df_ur_local_finalize): Removed entry.
18430 (df_urec_init): Ditto.
18431 (df_urec_local_finalize): Ditto.
18432 (df_ri_bb_compute): Added detection of last use of pseudos.
18433 * Makefile.in (df-scan.o): Updated dependencies.
18434 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18435 * config/mips/mips.c (mips_set_live_on_entry): Added.
18436 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18438 * dce.c (marked_insn_p): Added code to handle artifical defs.
18440 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18442 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18444 (_mm_cvtsi128_si64): Likewise.
18445 (_mm_cvtsd_si64): Likewise.
18446 (_mm_cvttsd_si64): Likewise.
18447 (_mm_cvtsi64_sd): Likewise.
18448 (_mm_cvtsi64_si128): Likewise.
18449 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18450 (_mm_cvtsi64_m64): Likewise.
18451 (_m_to_int64): Likewise.
18452 (_mm_cvtm64_si64): Likewise.
18453 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18454 (_mm_cvttss_si64): Likewise.
18455 (_mm_cvtsi64_ss): Likewise.
18456 (_mm_cvtss_f32): Likewise.
18458 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18460 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18461 for pragma redefine_extname.
18463 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18466 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18467 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18468 -mno-minimal-toc to previous content.
18469 (bispecs): Remove goal.
18470 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18471 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18472 compatibility aliases on powerpc-*-*gnu*.
18473 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18474 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18475 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18476 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18477 (ldblspecs): New goal.
18478 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18479 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18481 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18482 L_sf_to_tf or L_df_to_tf is defined.
18484 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18485 Alan Modra <amodra@bigpond.net.au>
18488 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18489 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18490 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18491 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18492 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18493 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18494 (rs6000_override_options): Initialize rs6000_ieeequad.
18495 Initialize TFmode format to ibm_extended_format if not
18497 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18499 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18500 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18501 (function_arg_advance): IBM long double passed in two FPRs, not
18503 (function_arg): IBM long double passed in FPRs.
18504 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18505 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18506 Only multireg GPR aligned.
18507 (rs6000_init_libfuncs): Enable IBM long double functions if not
18509 (rs6000_generate_compare): Use IBM long double compare if not
18511 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18512 (TARGET_IEEEQUAD): Define.
18513 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18514 not TARGET_IEEEQUAD.
18515 * config/rs6000/rs6000.md: Enable TFmode patterns if
18517 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18518 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18519 and -mlong-double-128 are incompatible.
18520 * doc/invoke.texi (-mabi): Collect options together. Add
18521 ibmlongdouble and ieeelongdouble.
18523 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18525 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18527 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18528 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18529 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18530 * rtl.h (rtunion_def): Remove rt_ptr.
18532 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18533 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18534 * config/i386/winnt.c (i386_pe_mark_dllexport)
18535 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18537 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18539 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18541 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18545 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18546 pthread_key_delete. From John David Anglin. gthrw-ify
18547 pthread_getunique_np only if it it's not a macro. Delete
18549 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18550 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18551 __gthread_objc_condition_signal, __gthread_key_delete): Add
18552 "__attribute__ ((__unused__))" to unused arguments.
18553 (__gthread_recursive_mutex_init_function): Add missing return.
18554 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18555 gthr-posix95.h: Use macro-based approach for name redirection
18556 on targets missing weakref.
18558 2006-01-26 Zack Weinberg <zackw@panix.com>
18560 * genconditions.c (write_header): In generated code, #ifdef out
18561 all includes and fake declarations, except includes of bconfig.h
18562 and system.h, unless GCC_VERSION >= 3001. Do not include
18563 gensupport.h in any case.
18564 (write_conditions): Generate a definition of struct c_test. Add
18565 a comment to the generated #endif.
18566 (write_one_condition): Escape backslashes in string too.
18567 (write_writer): Generated code must escape backslashes and quote
18568 marks (but not newlines) in the strings it writes.
18569 * Makefile.in (build/gencondmd.o): Update dependencies.
18571 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18574 * Makefile.in (insn-automata.o): Add header file dependencies.
18575 * genautomata.c: Add includes.
18577 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18580 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18582 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18584 * configure.ac: Expect target tools paths to be passed from the toplevel
18585 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18587 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18589 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18592 * c.opt (Wpointer-sign): Init to -1.
18593 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18594 OPT_pedantic, to 0 otherwise.
18595 * doc/invoke.texi: Update.
18597 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18599 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18600 constants provided by 80387 instructions in the destination mode.
18602 2006-01-26 Richard Guenther <rguenther@suse.de>
18603 Andrew Pinski <pinskia@physics.uc.edu>
18606 partial PR tree-opt/17064
18607 * tree-ssa-structalias.c (intra_create_variable_infos):
18608 Create heap variables for incoming parameters if
18609 flag_argument_noalias > 1.
18610 (find_what_p_points_to): Look through default defs of
18613 2006-01-26 Jeff Law <law@redhat.com>
18616 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18617 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18618 within the VR_RANGE, use the VR_RANGE as the result, not the
18620 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18621 bounds for the type.
18623 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18625 * tree-ssa-alias.c (maybe_create_global_var): Change
18626 subvar walking to an assertion that we don't have subvar'd variables.
18628 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18631 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18632 Use a new variable, inner. PARM_DECLs are always non-weak.
18634 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18636 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18637 --disable-checking.
18639 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18641 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18643 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18645 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18646 (smax_insn, smin_insn, smax_0, smin_0): New.
18648 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18651 * config/cris/cris.c (cris_order_for_addsi3): New function.
18652 * config/cris/cris-protos.h: Prototype it.
18653 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18654 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18655 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18656 (split for "op.S1 [rx=rx+i],ry (swapped)")
18657 (split for "op(s|u).S1 [rx=rx+i],ry")
18658 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18659 Apply cris_order_for_addsi3 when generating addsi3 insns.
18661 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18663 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18664 (TREE_BLOCK): Add call to EXPR_CHECK.
18666 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18669 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18670 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18671 (dump_omp_clauses): ... here.
18672 (dump_generic_node): Handle OMP_CLAUSE.
18673 * tree.c (omp_clause_num_ops): New.
18674 (omp_clause_code_name): New.
18675 (tree_code_size): Handle OMP_CLAUSE.
18676 (tree_size): Likewise.
18677 (make_node): Document handling of OMP_CLAUSE.
18678 (tree_node_structure): Handle OMP_CLAUSE.
18679 (omp_clause_check_failed): New.
18680 (omp_clause_range_check_failed): New.
18681 (omp_clause_operand_check_failed): New.
18682 (build_omp_clause): New.
18683 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18684 * tree.h (enum omp_clause_code): Declare.
18685 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18686 (OMP_CLAUSE_RANGE_CHECK): Define.
18687 (OMP_CLAUSE_ELT_CHECK): Define.
18688 (omp_clause_check_failed): Declare.
18689 (omp_clause_operand_check_failed): Declare.
18690 (omp_clause_range_check_failed): Declare.
18691 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18692 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18693 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18694 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18695 (OMP_CLAUSE_IF_EXPR): Likewise.
18696 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18697 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18698 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18699 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18700 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18701 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18702 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18703 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18704 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18705 (OMP_CLAUSE_CODE): Define.
18706 (OMP_CLAUSE_SET_CODE): Define.
18707 (OMP_CLAUSE_CODE): Define.
18708 (OMP_CLAUSE_OPERAND): Define.
18709 (struct tree_omp_clause): Declare.
18710 (union tree_node): Add field 'omp_clause'.
18711 * treestruct.def (TS_OMP_CLAUSE): Define.
18712 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18713 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18714 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18715 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18716 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18717 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18718 (OMP_CLAUSE): Define.
18719 * print-tree.c (print_node): Handle OMP_CLAUSE.
18720 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18721 * c-typeck.c: Likewise.
18722 * gimplify.c: Likewise.
18723 * c-omp.c: Likewise.
18724 * tree-nested.c: Likewise.
18725 * tree-inline.c: Likewise.
18726 * c-parser.c: Likewise.
18727 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18730 2006-01-25 Roger Sayle <roger@eyesopen.com>
18732 PR rtl-optimization/25703
18733 * combine.c (try_combine): Handle zero_extract and strict_low_part
18734 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18736 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18738 * global.c: Fix comment typos.
18740 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18743 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18744 Use output_addr_const instead of assemble_name.
18746 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18748 * Makefile.in (sched-vis.o): Update dependencies.
18749 * haifa-sched.c (sched_finish): Clear current_sched_info.
18750 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18751 (dump_flow_info): Call it.
18752 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18754 * basic-block.h (dump_bb_info): Declare.
18755 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18756 option, and apply options only for dump files whose TDF_RTL,
18757 TDF_TREE, or TDF_IPA bits match.
18758 * rtl.h: Declare new functions exported from sched-vis.c.
18759 * sched-vis.c: Enable also if scheduling is not used.
18760 (print_value): Print the mode of registers if not inside scheduling.
18761 (print_insn): Make it work outside the scheduler. Beautify the output
18763 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18765 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18767 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18768 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18769 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18770 depending on the value of CONSTANT_POOL_ADDRESS_P.
18771 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18773 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18774 rather than SYMBOL_REF_DECL.
18775 (rtx_constant_pool): Remove const_rtx_sym_htab.
18776 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18777 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18778 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18779 Remove handling of const_rtx_sym_htab.
18780 (find_pool_constant): Delete.
18781 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18782 rather than find_pool_constant.
18783 (get_pool_constant_for_function): Delete.
18784 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18785 find_pool_constant.
18786 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18787 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18788 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18789 (SYMBOL_REF_CONSTANT): New macro.
18790 (get_pool_constant_for_function): Delete.
18791 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18792 rather than SYMBOL_REF_DECL.
18793 (i386_pe_mark_dllimport): Likewise.
18794 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18795 rather than SYMBOL_REF_DECL.
18796 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18797 (machopic_indirect_call_target): Likewise.
18799 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18801 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18803 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18805 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18807 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18809 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18811 2006-01-24 David Daney <ddaney@avtrex.com>
18814 * configure.ac (enable_tls): New enable option.
18815 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18816 * configure: Regenerate.
18817 * doc/install.texi (--enable-tls): Document new option.
18818 (--disable-tls): Ditto.
18820 2006-01-24 Richard Henderson <rth@redehat.com>
18822 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18823 * alias.c (true_dependence): Respect it.
18824 (canon_true_dependence, write_dependence_p): Likewise.
18825 * builtins.c (get_builtin_sync_mem): Set it.
18827 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18829 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18832 2006-01-24 DJ Delorie <dj@redhat.com>
18834 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18835 for storing constants in single-bit bitfields.
18837 2006-01-25 Ben Elliston <bje@au.ibm.com>
18839 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18841 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18844 * tree-ssa-pre.c (phi_translate): Return NULL
18845 for AGGREGATE_TYPE's.
18847 2006-01-24 Zack Weinberg <zackw@panix.com>
18849 * genautomata.c (process_state_for_insn_equiv_partition):
18850 Use xcalloc for insn_arcs_array.
18851 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18852 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18854 2006-01-24 Richard Henderson <rth@redhat.com>
18856 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18857 update all callers.
18859 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18861 PR rtl-optimization/25890
18862 PR rtl-optimization/25905
18863 * combine.c (expand_compound_operation, expand_field_assignment):
18864 Fail if the bitfield's final position is out of bounds.
18866 2006-01-24 Ian Lance Taylor <ian@airs.com>
18868 PR middle-end/25930
18869 * cgraphunit.c (cgraph_output_in_order): Don't clear
18870 cgraph_asm_nodes until after asm strings have been output.
18872 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18874 * fix-header.c (read_scan_file): Add new parameter imultilib when
18875 calling register_include_chains.
18877 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18879 * omp-low.c: Update documentation.
18881 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18882 Daniel Berlin <dberlin@dberlin.org>
18886 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18887 return from the function.
18889 2006-01-22 Zack Weinberg <zackw@panix.com>
18891 * rtl.def (match_code): Add second argument.
18892 * genpreds.c (write_extract_subexp): New function.
18893 (write_match_code): Add path argument. Use write_extract_subexp.
18894 (write_predicate_expr): Pass path to write_match_code.
18895 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18896 not perform a mode test.
18897 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18898 a subexpression does not constrain the top-level code set.
18899 * read-rtl.c (read_rtx_variadic): New function.
18900 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18901 * doc/md.texi: Document new notation.
18902 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18903 (cmpsi_operand): ... here, using new notation.
18905 2006-01-22 Zack Weinberg <zackw@panix.com>
18907 * varray.c: Remove GENERATOR_FILE #ifdefs.
18909 2006-01-22 Zack Weinberg <zackw@panix.com>
18911 * genautomata.c (output_reserved_units_table): Emit nothing if
18912 description->query_units_num is zero. Remove extra blank line.
18913 (output_cpu_unit_reservation_p): Short circuit
18914 if description->query_units_num is zero.
18916 2006-01-22 Zack Weinberg <zackw@panix.com>
18918 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18919 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18920 nor any of the random handful of variables that used to be necessary
18921 when this program was linked with rtlanal.o. Prune set of forward
18922 function declarations.
18923 (struct attr_desc): Remove static_p field.
18924 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18925 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18926 (attr_string): Do not read the character one past the length of
18928 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18929 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18930 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18931 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18932 (make_automaton_attrs): New.
18933 (main): Do not call into genautomata. Call local gen_bypass
18934 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18935 Remove special case for insn_alts.
18936 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18937 varray.h (leftover from previous change). Prune set of forward
18938 function declarations. Remove state_alts fields from all
18939 structures. Remove state_alts_table from struct automaton.
18940 Make everything except main static. Do not maintain num_dfa_decls.
18941 Do not maintain state_alts fields of various structures.
18942 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18943 (add_arc): Remove state_alts argument. All callers updated.
18944 (output_reserved_units_table): Emit #ifdef here...
18945 (output_tables): ...not here. Don't generate state_alts tables.
18946 (expand_automata): Don't generate attributes.
18947 (write_automata): Don't generate state_alts functions.
18948 (main): New function.
18949 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18950 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18951 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18952 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18953 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18954 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18955 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18956 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18958 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18959 * genattrtab.h: Delete file.
18960 * Makefile.in (OBJS-common): Add insn-automata.o.
18961 (insn-automata.o): New rule.
18962 (simple_generated_c): Add insn-automata.c.
18963 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18964 (genprogmd): Add automata.
18965 (build/genattrtab): Needs no extra objects nor libraries.
18966 (build/genautomata): Needs build/vec.o and -lm.
18968 2006-01-22 Zack Weinberg <zackw@panix.com>
18970 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18971 (output_dfa_max_issue_rate, locked_states_num): Delete.
18972 (struct automaton): Add locked_states field.
18973 (output_dead_lock_vect): Save number of locked states in
18974 automaton->locked_states. If it is zero, don't print anything.
18975 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18976 (output_internal_dead_lock_func): Only test the dead_lock_vect
18977 for automata that have locked states.
18978 (output_statistics): Always print the number of locked states for
18979 each automaton. Calculate total number of locked states here.
18980 (write_automata): Don't call output_dfa_max_issue_rate.
18981 * genattrtab.c: Define length_unit_log as a const variable.
18982 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18983 max_insn_queue_index const.
18984 * final.c (length_unit_log): Declare const.
18985 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18987 2006-01-22 Zack Weinberg <zackw@panix.com>
18989 * genautomata.c: Include vec.h, not varray.h.
18990 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18991 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18992 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18993 VEC_* macros operating on appropriately typed vectors, or to
18994 malloced arrays when the size is known in advance. Const-ify
18995 many char* variables and function arguments. No functional changes.
18996 * Makefile.in (build/varray.o): Delete rule.
18997 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18998 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19000 2006-01-22 Zack Weinberg <zackw@panix.com>
19002 * gensupport.c: Define get_insn_name and record_insn_name here.
19003 (read_md_rtx): Call record_insn_name as appropriate.
19004 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19005 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19006 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19008 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19009 (BUILD_VARRAY): Delete.
19010 (genprognormal): Rename genprogmd. Fold in all programs from
19011 genprognoprint; also attrtab.
19012 (build/genattrtab): Just mention genautomata.o and varray.o.
19013 Reorganize a bit, add comments to make the categories clearer.
19015 2006-01-22 Zack Weinberg <zackw@panix.com>
19017 * genconditions.c (condition_table, add_condition): Delete.
19018 (write_conditions): Don't emit n_insn_conditions nor
19019 insn_elision_unavailable. Issue the gcc version #ifdef here,
19020 inside the table, with no #else clause ...
19021 (write_header): ...not here.
19022 (write_writer): New function.
19023 (main): Don't initialize condition_table. Use add_c_test.
19025 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19026 files on the command line.
19027 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19028 Return -1 if there is no entry in the table, don't abort.
19029 (add_c_test, traverse_c_tests): New functions.
19030 * gensupport.h (insn_elision_unavailable, insn_conditions)
19031 (n_insn_conditions): Delete declarations.
19032 (add_c_test, traverse_c_tests): Declare.
19033 * read-rtl.c: Include gensupport.h.
19034 (read_conditions): New function.
19035 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19036 (read_rtx_1): If we get EOF when we were looking for an initial
19037 open paren, return 0. Call read_conditions when appropriate.
19038 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19039 dummy-conditions.o. Eliminate references to insn-conditions.o,
19040 or change them to build/gencondmd.o, as appropriate. Remove
19041 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19042 from $(simple_generated_c). For all files remaining in those
19043 two lists, add insn-conditions.md to the generator command line.
19044 Give insn-constants.h/s-constants their own rules. Add rules
19045 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19046 (build/read-rtl.o): Depend on gensupport.h.
19047 (genprognormal): Include preds.
19048 (genprogearly): Rename genprognoprint; only difference is now that
19049 they don't link with $(BUILD_PRINT).
19050 * dummy-conditions.c: Delete.
19052 2006-01-22 Zack Weinberg <zackw@panix.com>
19054 * genextract.c: Don't include insn-config.h. Do include vec.h.
19055 Declare vectors of int, char, and locstr.
19056 (locstr): New typedef.
19057 (struct extraction): Make all array fields into bare pointers.
19058 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19059 (insn_code_number): Delete.
19060 (accum_extract): New struct.
19061 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19062 (gen_insn): Take insn_code_number as an argument. Use an
19063 accum_extract structure instead of loading data directly into
19064 a struct extraction, and having to know how big it might get.
19065 (walk_rtx): Operate entirely on an accum_extract structure.
19066 (print_path): Avoid unnecessary use of printf.
19067 (print_header): New function, split out of main. Distinguish
19068 more carefully between an unrecognizable insn and an insn that
19069 has the code number of a define_expand.
19070 (main): Pass insn_code_number to gen_insn. Call print_header
19071 only after parsing. Avoid unnecessary use of printf.
19072 * Makefile.in (build/vec.o): New rule.
19073 (build/genextract): Depend on build/vec.o.
19074 (build/genextract.o): Don't depend on insn-config.h.
19076 2006-01-22 Zack Weinberg <zackw@panix.com>
19078 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19079 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19080 practical. Eliminate per-generator-program link rules.
19082 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19084 PR middle-end/24437
19085 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19086 with a call expr to ...
19087 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19089 2006-01-23 Richard Guenther <rguenther@suse.de>
19091 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19092 before make_edge with conditional EDGE_TRUE_VALUE.
19094 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19095 Jan Hubicka <jh@suse.cz>
19096 Richard Guenther <rguenther@suse.de>
19098 PR rtl-optimization/25654
19099 * cfgexpand.c (aggregate_contains_union_type): New function.
19100 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19101 for structure variables that contain a union type.
19103 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19105 * gengtype.c (new_structure): Return the structure.
19106 (create_option): Add an extra "next" argument.
19107 (create_field): New function.
19108 (adjust_field_rtx_def): Use create_option and create_field.
19109 Remove a now-unnecessary call to find_structure.
19110 (adjust_field_tree_def): Likewise.
19111 (note_yacc_type): Remove an unnecessary call to find_structure.
19112 * gengtype.h (new_structure): Return the structure.
19113 (create_option): Add an extra argument.
19114 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19115 (option): Adjust calls to create_option.
19117 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19119 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19121 2006-01-22 Paul Brook <paul@codesourcery.com>
19122 Peter Barada <peter@the-baradas.com>
19124 * config/m68k/m68k.md: Add Coldfire FPU support.
19125 Define FP mode macro and associated attributes.
19126 Use it for float mode patterns.
19127 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19128 (LIBCALL_VALUE): Use m68k_libcall_value.
19129 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19130 (m68k_function_value): Ditto.
19131 (emit_move_sequence): Ditto.
19132 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19133 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19134 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19135 (MULTILIB_EXCEPTIONS): Ditto.
19136 * config/m68k/m68k.opt: Add mcfv4e.
19137 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19138 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19139 (m68k_output_function_prologue): Save ColdFire FPU registers.
19140 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19141 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19142 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19143 ColdFire FPU registers.
19144 (m68k_libcall_value, m68k_function_value): New functions.
19145 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19146 (LIBCALL_VALUE): Use m68k_libcall_value.
19147 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19148 (MASK_COLDFIRE): Add MASK_CFV4E.
19149 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19150 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19151 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19152 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19153 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19154 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19155 * doc/invoke.tex: Document -mcfv4e on m68k.
19157 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19159 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19162 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19165 * c-opts.c (c_common_handle_option): Don't include
19166 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19167 * doc/invoke.texi (C++ Dialect Options): Document that
19168 -Wnon-virtual-dtor is no longer included in -Wall.
19170 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19172 * gcov.c (print_version), gcov-dump.c (print_version),
19173 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19176 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19178 * df-scan.c (problem_SCAN): Added NULL reset function.
19179 (df_scan_reset_blocks): Added code to call reset block function
19180 (df_bb_refs_delete) Fixed comment.
19181 (df_insn_refs_delete): Made tolerant of deleting non existent info
19182 for dataflow problems that need to be reset.
19183 * df-core.c (df_set_blocks): Ditto.
19184 * df.h (struct df_problem): Added reset_fun.
19185 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19186 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19187 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19188 functions to clear out all references to def-use or use-def chains.
19190 2006-01-21 Ben Elliston <bje@au.ibm.com>
19192 * varasm.c (assemble_real): Initialise data array.
19194 2006-01-20 Paul Brook <paul@codesourcery.com>
19196 Merge from csl-arm-branch.
19197 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19198 * config/arm/arm.md (movdi): Force operands[1] to a register
19199 if we have a non-register source.
19200 (*arm_movdi, *movdf_soft_insn): Require that one of the
19201 operands be a register.
19202 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19203 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19205 2006-01-20 DJ Delorie <dj@redhat.com>
19207 * varasm.c (initializer_constant_valid_p): Allow pointers
19208 initialized from integer constants of lesser precision.
19209 (output_constant): Allow non-int-sized pointer modes to be
19210 initialized from integer constants.
19212 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19215 * cppdefault.h (struct default_include): Add multilib flag.
19216 * cppdefault.c (cpp_include_defaults): Set it.
19217 * c.opt (-imultilib): New option.
19218 * c-opts.c (imultilib): New.
19219 (c_common_handle_option): Handle -imultilib.
19220 (c_common_post_options): Likewise.
19221 * c-incpath.c (add_standard_paths, register_include_chains):
19223 * c-incpath.h (register_include_chains): Add extra parameter.
19224 * gcc.c (do_spec_1): Generate -imultilib option.
19225 (The Specs Language): Update %I description.
19226 (process_command): Update copyright notice.
19227 * doc/cppopts.texi (-imultilib): Document.
19228 * doc/invoke.texi (-imultilib): Include in option summary.
19229 (%I): Update specs documentation.
19231 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19233 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19235 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19237 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19240 2006-01-20 Richard Guenther <rguenther@suse.de>
19241 Steven Bosscher <stevenb.gcc@gmail.com>
19243 PR rtl-optimization/24626
19244 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19245 EDGE_TRUE_VALUE if in RTL mode.
19248 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19249 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19251 2006-01-20 Dirk Mueller <dmueller@suse.com>
19254 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19255 instead of a special NOP marker.
19256 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19257 NOP marker handling.
19258 * c-common.h (empty_body_warning): Add forward declaration.
19259 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19260 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19262 2006-01-20 Paul Brook <paul@codesourcery.com>
19264 * Makefile.in (lang_checks): Keep going if mkdir fails.
19266 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19268 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19269 be able to clean out basic block when not necessary.
19270 (df_scan_free): Fixed to properly delete information if df is
19271 unused before calling df_finish.
19272 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19273 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19275 (df_bb_refs_delete): New function.
19276 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19277 * df-core.c (df_set_blocks): Added code to properly clean out
19278 unused blocks if they are not part of the blocks to consider.
19279 Added additional null check.
19280 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19281 be able to clean out basic block when not necessary
19282 * df.h (df_free_bb_function): Ditto.
19283 (df_bb_refs_delete): New function.
19284 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19285 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19286 basic block parameter to be able to clean out basic block when not
19288 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19289 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19290 Fixed to properly delete information if df is unused before
19293 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19295 PR rtl-optimization/25799
19296 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19297 Corrected confluence operator to remove bits from op2 before oring
19298 with op1 rather than removing bits from op1.
19299 (df_ru_transfer_function): Corrected test on wrong bitmap which
19300 caused infinite loop. Both of these problems were introduced in
19301 the dataflow rewrite.
19303 2006-01-19 DJ Delorie <dj@redhat.com>
19305 * reload1.c (find_reload_regs): Note the details of reload
19306 failures in the dump file.
19307 (spill_failure): Likewise.
19309 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19311 * loop-iv.c: Include df.h and hashtab.h.
19312 (enum iv_grd_result): New enum.
19313 (DF_REF_IV, DF_REF_IV_SET): New macros.
19314 (struct biv_entry): New.
19315 (df, bivs): New global variables.
19316 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19317 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19319 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19320 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19321 analyzed_for_bivness_p, record_biv): New functions.
19322 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19323 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19324 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19326 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19328 (iv_number_of_iterations): Use new interface to iv analysis.
19329 * loop-unroll.c: Do not include varray.h.
19330 (analyze_iv_to_split_insn): Use new interface to iv
19332 * loop-unswitch.c (may_unswitch_on): Ditto.
19333 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19335 (df_bb_modify): Realloc tables to the new index.
19336 (df_find_use): New function.
19337 * df.h (df_find_use): Declare.
19338 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19340 * cfgloop.h (struct rtx_iv): Remove analysed field.
19341 (iv_get_reaching_def): Removed.
19342 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19343 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19344 (loop-iv.o): Add df.h and hashtab.h dependency.
19345 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19347 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19350 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19352 (__floatundisf, __floatundidf): Likewise.
19353 * libgcc2.h (IS_IBM_EXTENDED): Define.
19355 2006-01-19 DJ Delorie <dj@redhat.com>
19357 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19359 2006-01-19 Paul Brook <paul@codesourcery.com>
19361 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19362 as nothrow when unwinding tables are disabled.
19364 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19367 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19368 of bit-field" when in system header.
19370 2006-01-19 DJ Delorie <dj@redhat.com>
19372 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19373 the 16 bit shift limit of the m16c.
19375 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19378 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19379 * config/i386/i386.c (output_set_got): Output the label if we have one
19380 for the TARGET_DEEP_BRANCH_PREDICTION case.
19382 2006-01-19 Jan Hubicka <jh@suse.cz>
19383 H.J. Lu <hongjiu.lu@intel.com>
19384 Evandro Menezes <evandro.menezes@amd.com>
19386 * invoke.texi (generic): Document
19388 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19389 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19390 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19391 (x86_use_incdec, x86_pad_returns): New variables
19392 (TARGET_CPU_DEFAULT_generic): New constant
19393 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19394 (enum processor_type): Add generic32 and generic64.
19395 * i386.md (cpu attribute): Add generic32/generic64
19396 (movhi splitter): Behave sanely when both partial_reg_dependency and
19397 partial_reg_stall are set.
19398 (K8 splitters): Enable for generic as well.
19399 * predicates.md (incdec_operand): Use TARGET_INCDEC
19400 (aligned_operand): Avoid memory mismatch stalls.
19401 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19402 * ppro.md: Enable for generic32
19403 * i386.c (generic64_cost, generic32_cost): New.
19404 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19405 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19406 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19407 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19408 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19409 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19410 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19411 x86_accumulate_outgoing_args, x86_prologue_using_move,
19412 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19413 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19414 Enable for generic.
19415 (x86_use_incdec, x86_pad_returns): New.
19416 (override_options): Add generic32 and generic64, translate "generic"
19417 to generic32/generic64 and "i686" to "generic32", refuse
19418 "generic32"/"generic64" as arch target.
19419 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19420 (ix86_reorg): Honor PAD_RETURNS.
19422 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19424 * tree-pretty-print.c (dump_generic_node): Handle
19425 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19426 * cgraph.c (cgraph_expand_queue): Rename from
19427 cgraph_analyze_queue. Update all users.
19428 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19429 cgraph_expand_queue.
19430 (cgraph_expand_all_functions): Likewise.
19431 (cgraph_finalize_pending_functions): Remove. Update callers.
19433 * tree.h (OMP_DIRECTIVE_P): Define.
19434 (OMP_PARALLEL_FN): Define.
19435 (OMP_PARALLEL_DATA_ARG): Define.
19436 (OMP_SECTIONS_SECTIONS): Define.
19437 * tree-pass.h (pass_expand_omp): Declare.
19438 * omp-low.c (struct omp_region): Declare.
19439 (struct omp_context): Remove fields 'parallel_type',
19440 'parallel_start_ix' and 'parallel_start_additional_args'.
19442 (struct omp_for_data): Rename from struct expand_omp_for_data.
19443 (omp_regions): New static variable.
19444 (root_omp_region): New static variable.
19445 (find_omp_clause): Make static.
19446 (is_in_combined_parallel_ctx): Remove.
19447 (is_combined_parallel): New.
19448 (extract_omp_for_data): Move earlier in the file.
19449 (workshare_safe_to_combine_p): New.
19450 (get_ws_args_for): New.
19451 (determine_parallel_type): Move earlier in the file.
19452 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19454 (omp_copy_decl): Likewise.
19455 (create_omp_child_function): Likewise.
19456 (lookup_omp_region): New.
19457 (dump_omp_region): New.
19458 (debug_omp_region): New.
19459 (debug_all_omp_regions): New.
19460 (new_omp_region): New.
19461 (scan_omp_parallel): If parallel_nesting_level > 1, the
19462 directive is nested within another parallel directive.
19463 Set OMP_PARALLEL_FN.
19464 (scan_omp_for): Do not try to handle combined parallel+for
19466 Remove FIXME comment.
19467 (scan_omp_nested): Remove.
19468 (scan_omp_1): Do not call scan_omp_nested when
19469 parallel_nesting_level is > 1.
19470 Do not change the DECL_CONTEXT of local variables found.
19471 (lookup_decl_in_outer_ctx): New.
19472 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19473 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19474 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19475 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19476 If CTX is nested, lookup VAR in the outer context when
19477 building copy assignment.
19478 (lower_send_clauses): Rename from expand_send_clauses.
19479 If CTX is nested, lookup VAR in the outer context when
19480 building copy assignments.
19481 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19482 If CTX is nested, lookup VAR in the outer context when
19483 building copy assignments.
19484 (expand_parallel_call): Rename from build_parallel_call.
19485 Handle combined parallel+workshare cases.
19486 Re-implement to emit code into the CFG.
19488 (expand_omp_parallel): Re-implement to emit code into the CFG.
19489 Call move_sese_region_to_fn to outline the sub-graph
19490 containing the parallel region.
19491 (expand_omp_for_1): Remove.
19492 (expand_omp_for_generic): Re-implement to emit code into the
19494 (expand_omp_for_static_nochunk): Likewise.
19495 (expand_omp_for_static_chunk): Likewise.
19496 (expand_omp_for): Likewise.
19497 (expand_omp_sections): Likewise.
19498 (remove_exit_barriers): New.
19499 (expand_omp_synch): New.
19501 (build_omp_regions_1): New.
19502 (build_omp_regions): New.
19503 (execute_expand_omp): New.
19504 (gate_expand_omp): New.
19505 (pass_expand_omp): Define.
19506 (lower_omp_sections): Rename from expand_omp_sections.
19507 Set OMP_SECTIONS_SECTIONS.
19508 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19509 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19510 (lower_omp_single): Rename from expand_omp_simple.
19511 (lower_omp_master): Rename from expand_omp_master.
19512 (lower_omp_ordered): Rename from expand_omp_ordered.
19513 (lower_omp_critical): Rename from expand_omp_critical.
19514 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19515 (lower_omp_for): Re-implement.
19516 (lower_omp_parallel): Re-implement.
19517 (lower_regimplify): Rename from expand_regimplify.
19518 (lower_omp_1): Rename from expand_omp_1.
19519 If there are syntax errors in the program, replace every
19520 OpenMP directive with NOP.
19521 Call lower_omp_* instead of expand_omp_*.
19522 (lower_omp): Rename from expand_omp.
19524 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19525 * tree-gimple.h (enum omp_parallel_type): Remove.
19526 (gimple_boolify): Declare extern.
19527 (find_omp_clause, determine_parallel_type): Remove.
19529 * gimple-low.c (lower_omp_directive): New.
19530 (lower_stmt): Call it.
19531 (record_vars_into): Move from ...
19532 (record_vars): ... here.
19533 Call record_vars_into with current_function_decl.
19535 * gimplify.c (struct gimplify_ctx): Remove fields
19536 combined_pre_p and combined_ctxp. Update users.
19537 (get_formal_tmp_var): Add documentation.
19538 (gimple_boolify): Make extern.
19539 (gimplify_expr_in_ctx): Remove. Update callers.
19540 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19541 will always be a BIND_EXPR.
19542 (gimplify_expr): Handle OMP_RETURN_EXPR.
19543 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19544 (OMP_PARALLEL): Add 3 operands.
19545 (OMP_SECTIONS): Add 1 operand.
19546 (OMP_RETURN_EXPR): Define.
19548 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19549 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19550 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19551 creating a circular free list.
19552 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19554 * tree-flow.h (move_sese_region_to_fn): Declare.
19555 (record_vars_into): Declare.
19556 * tree-cfg.c (make_omp_sections_edges): New.
19557 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19558 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19559 OMP_SECTIONS and OMP_SECTION.
19560 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19561 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19562 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19563 (gather_blocks_in_sese_region): New.
19564 (struct move_stmt_d): Declare.
19565 (move_stmt_r): New.
19566 (move_block_to_fn): New.
19567 (move_sese_region_to_fn): New.
19569 * passes.c (init_optimization_passes): Schedule
19570 pass_expand_omp after pass_init_datastructures.
19572 * tree-ssa-operands.c (get_expr_operands): Handle
19573 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19574 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19576 2006-01-19 Jeff Law <law@redhat.com>
19578 * tree-vrp.c (extract_range_from_assert): Refine the result range
19579 if the variable referenced by the ASSERT_EXPR has a range and
19580 either the tentative result range or the previous range is a
19583 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19585 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19587 2006-01-19 Jan Hubicka <jh@suse.cz>
19589 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19591 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19593 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19594 (expand_compound_operation, expand_field_assignment): Fail if the
19595 bit lengths of an extract operation are out of range.
19596 (make_extraction): Compute wanted_inner_mode based on the position
19597 and length of the extraction. Make it extraction_mode for non-constant
19598 positions, and do not modify offset in that case. When generating a
19599 new MEM, use a mode that can hold the extraction while keeping correct
19600 alignment. Remove code that supported MEMs wrapped by USEs.
19601 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19603 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19605 * config/s390/s390.md ("Y", "y"): New mode attribute.
19606 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19607 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19608 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19609 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19610 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19611 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19612 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19613 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19614 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19615 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19616 "addsi3", "subsi3"): Insn patterns removed.
19617 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19618 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19619 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19620 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19621 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19622 "*sub<mode>3_cconly2"): New insn patterns.
19623 ("addsi3", "subsi3"): New expanders.
19625 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19627 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19628 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19629 existing STMT_VINFO_VECTYPE if available.
19630 (vect_mark_relevant): Add special handling for stmts that are
19631 marked as STMT_VINFO_IN_PATTERN_P.
19632 (vect_analyze_loop): Call vect_pattern_recog.
19633 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19634 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19636 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19637 (vect_recog_func_ptr): New function-pointer type.
19638 * tree-vect-patterns.c: New file.
19639 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19640 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19641 (vect_pattern_recog_1): New functions.
19642 (vect_pattern_recog_funcs): New array of function pointers.
19644 * tree-vectorizer.h (ternary_op): New enum value.
19645 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19646 declaration. Revised documentation. Removed redundant dump prints.
19647 Removed redundant argument. Added support for reduction patterns.
19648 (vectorizable_reduction): Added support for reduction patterns.
19649 (vect_transform_stmt): Added support for patterns.
19651 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19652 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19653 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19654 (expand_widen_pattern_expr): New function.
19655 (init_optabs): Initialize new optabs udot_prod_optab,
19657 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19658 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19659 (expand_widen_pattern_expr): New function declaration.
19660 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19662 * tree-inline.c (estimate_num_insns_1): Added cases for new
19663 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19664 * tree-pretty-print.c (dump_generic_node): Likewise.
19665 (op_prio): Likewise.
19666 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19667 * tree-ssa-operands.c (get_expr_operands): Added case for
19669 * tree-vect-patterns.c (widened_name_p): New function.
19670 (vect_recog_dot_prod_pattern): Added function implementation.
19671 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19672 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19673 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19674 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19676 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19677 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19678 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19679 (init_optabs): Initialize new optabs widen_ssum_optab,
19681 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19682 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19683 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19684 use instead of type of def.
19685 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19686 function implementation.
19687 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19688 widen_ssumv8hi): New.
19690 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19693 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19696 * c-decl.c (add_flexible_array_elts_to_size): New function.
19697 (finish_decl): Use it.
19699 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19701 * diagnostic.h: Include options.h.
19702 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19703 dependancies for diagnostic.h.
19704 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19706 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19708 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19709 (ssa_ro_call_cache_valid): Ditto.
19710 * tree-ssa-alias.c (sort_tags_by_id): New function.
19711 (init_transitive_clobber_worklist): Ditto.
19712 (add_to_worklist): Ditto.
19713 (mark_aliases_call_clobbered): Ditto.
19714 (compute_tag_properties): Ditto.
19715 (set_initial_properties): Ditto.
19716 (compute_call_clobbered): Ditto.
19717 (compute_may_aliases): Call compute_call_clobbered and grouping.
19718 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19719 (compute_flow_insensitive_aliasing): Grouping now happens in our
19721 (setup_pointers_and_addressables): Remove clobbering related code.
19722 (add_may_alias): Ditto.
19723 (replace_may_alias): Ditto.
19724 (get_nmt_for): Ditto.
19725 (create_global_var):
19726 (is_escape_site): Return an escape_type enumeration.
19727 * tree-flow-inline.h (is_call_clobbered): Global var does not
19728 imply call clobbered.
19729 (mark_call_clobbered): Take a reason for marking this. Remove
19730 marking of globalness, and cache invalidation.
19731 (clear_call_clobbered): Remove cache invalidation code.
19732 * tree-dfa.c (dump_variable): If details is on, dump the reason
19734 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19736 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19737 (struct var_ann_d): Ditto.
19738 (enum escape_type): New.
19739 (mark_call_clobbered): Adjust prototype.
19740 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19741 are never call clobbered.
19742 Record reasons for escaping.
19743 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19744 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19745 (ssa_ro_call_cache_valid): Ditto.
19746 (clobbered_v_may_defs): Ditto.
19747 (clobbered_vuses): Ditto.
19748 (ro_call_vuses): Ditto.
19749 (clobber_stats): New.
19750 (init_ssa_operands): Zero out clobber stats.
19751 (fini_ssa_operands): Print out clobber stats.
19752 (get_call_expr_operands): Pass callee fndecl to
19753 add_call_read_ops).
19754 (add_call_clobber_ops): Remove use of cache.
19755 Add use of PURE_CONST information.
19756 (add_call_read_ops): Remove use of cache.
19757 Add use of static not_read information.
19759 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19761 Introduce TLS descriptors for i386 and x86_64.
19762 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19763 (TARGET_ANY_GNU_TLS): New macro.
19764 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19765 (struct machine_function): Add tls_descriptor_call_expanded_p.
19766 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19767 (ix86_current_function_calls_tls_descriptor): Likewise.
19768 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19769 (override_options): Introduce gnu2 tls dialect.
19770 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19772 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19774 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19775 (ix86_init_machine_status): Initialize new field.
19776 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19777 (ix86_tls_module_base): New.
19778 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19779 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19780 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19781 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19782 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19783 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19784 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19785 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19786 * config/i386/predicates.md (tls_modbase_operand): New.
19787 (tp_or_register_operand): New.
19789 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19791 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19792 (look_for_address_of): Ditto.
19793 (ipa_init): Walk the function decls.
19794 (static_execute): Don't set readonly on FUNCTION_DECL's.
19796 2006-01-18 Roger Sayle <roger@eyesopen.com>
19798 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19799 for shifts where the source and destination registers are different.
19801 2006-01-18 Paul Brook <paul@codesourcery.com>
19803 Merge from csl-arm-branch.
19804 2005-03-14 Julian Brown <julian@codesourcery.com>
19805 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19806 (aeabi_llsl): Likewise.
19807 (ashrdi3): Likewise.
19808 (aeabi_lasr): Likewise.
19809 (lshrdi3): Likewise.
19810 (aeabi_llsr): Likewise.
19811 2005-03-10 Julian Brown <julian@codesourcery.com>
19812 * config.gcc: Disable shared libgcc for SymbianOS.
19813 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19815 2006-01-18 DJ Delorie <dj@redhat.com>
19817 * c-pragma.c (handle_pragma_diagnostic): New.
19818 (init_pragma): Register it.
19819 * doc/extend.texi: Document it.
19821 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19822 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19823 (diagnostic_context): Add classify_diagnostic[].
19824 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19825 as errors if they're overridden to DK_WARNING.
19826 (diagnostic_initialize): Initialize classify_diagnostic[].
19827 (diagnostic_set_kind_override): New.
19828 (diagnostic_report_diagnostic): Check for kind changes.
19829 * opts.c (common_handle_option): Take lang_mask. Update callers.
19830 Handle OPT_Werror_.
19831 * common.opt (Werror=): New.
19832 * doc/invoke.texi: Document -Werror=*
19834 2006-01-18 Jeff Law <law@redhat.com>
19836 * tree-vrp.c (test_for_singularity): Correct test for new
19837 min limit. Use operand_equal_p rather than pointer equality
19838 for testing if new min/max values are equal.
19840 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19841 using range information until after propagation and folding.
19843 2006-01-18 Richard Henderson <rth@redhat.com>
19844 Aldy Hernandez <aldyh@redhat.com>
19845 Jakub Jelinek <jakub@redhat.com>
19846 Diego Novillo <dnovillo@redhat.com>
19848 * omp-low.c: New file.
19849 * c-omp.c: New file.
19851 2006-01-18 Richard Henderson <rth@redhat.com>
19852 Jakub Jelinek <jakub@redhat.com>
19853 Diego Novillo <dnovillo@redhat.com>
19855 * doc/invoke.texi: Document -fopenmp.
19856 * tree-dump.h (debug_function): Declare.
19857 * hooks.c (hook_bool_tree_bool_false): New function.
19858 (hook_tree_tree_null): Remove.
19859 (hook_tree_tree_tree_null): New.
19860 * hooks.h: Update to match.
19861 * tree-pretty-print.c (debug_tree_chain): New.
19862 (print_generic_expr): Handle TDF_CHAIN.
19863 (dump_generic_node): Handle BLOCK.
19864 Do not abort with incomplete SWITCH_EXPRs.
19865 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19866 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19867 print space after directive name.
19868 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19869 Handle OMP_MASTER and OMP_ORDERED.
19870 Handle printing of OMP_BODY just in one place, goto
19871 dump_omp_body in the rest of OMP_* nodes that have
19873 Don't handle clause nodes here. Update omp statements to
19874 use dump_omp_clauses.
19875 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19876 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19877 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19878 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19879 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19880 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19881 Adjust output for GOMP_PARALLEL.
19882 (dump_omp_clauses): New.
19883 (print_declaration): Dump DECL_VALUE_EXPR.
19884 (op_symbol_1): Split out of op_symbol.
19885 (dumping_stmts): Remove. Update all users.
19886 * cgraph.c (cgraph_analyze_queue): New.
19887 (cgraph_add_new_function): New.
19888 * cgraph.h (cgraph_analyze_queue): Declare.
19889 (cgraph_add_new_function): Declare.
19890 (cgraph_lower_function): Remove.
19891 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19892 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19893 and TYPE_P nodes in its default clause.
19894 (empty_body_p): New.
19895 (tree_range_check_failed): New.
19896 (build5_stat): New.
19897 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19898 OMP_CLAUSE_REDUCTION_MERGE,
19899 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19900 OMP_CLAUSE_PRIVATE_DEBUG,
19901 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19902 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19903 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19904 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19905 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19906 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19907 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19908 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19909 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19910 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19911 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19912 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19913 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19914 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19915 (TREE_RANGE_CHECK): New.
19916 (empty_body_p): Declare.
19917 (enum omp_clause_default_kind): New.
19918 (build_string_literal): Declare.
19919 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19920 (build5_stat, build5): Declare.
19921 * tree-pass.h (TDF_CHAIN): Define.
19922 * tree-pass.h (PROP_gimple_lomp): Define.
19923 (pass_lower_omp): Declare.
19924 * diagnostic.h (debug_tree_chain): Declare.
19925 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19927 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19928 * builtins.c (build_string_literal): Make extern.
19929 * gcc.c (include_spec_function): New.
19930 (static_spec_functions): Add it.
19931 (main): Move load of libgomp.spec ...
19932 (LINK_COMMAND_SPEC): ... here.
19933 (link_gomp_spec): New.
19934 (static_specs): Include it.
19935 (LINK_COMMAND_SPEC): Add link_gomp.
19936 (GOMP_SELF_SPECS): New.
19937 (driver_self_specs): Include it.
19938 (switch_matches): Don't mark inline.
19939 (main): Load libgomp.spec.
19940 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19941 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19942 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19943 * tree-gimple.h (enum omp_parallel): Declare.
19944 (determine_parallel_type): Declare.
19945 (omp_firstprivatize_variable): Declare.
19946 (omp_reduction_init): Declare.
19947 (diagnose_omp_structured_block_errors): Declare.
19948 (struct walk_stmt_info): Add want_return_expr.
19949 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19950 (find_omp_clause): Declare.
19951 (insert_field_into_struct): Declare.
19952 (struct walk_stmt_info): Move from tree-nested.c
19953 (walk_stmts): Declare.
19954 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19956 * cgraphunit.c (cgraph_lower_function): Make static.
19957 (cgraph_finalize_pending_functions): New.
19958 (cgraph_finalize_function): Call it.
19959 (cgraph_finalize_compilation_unit): Likewise.
19960 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19961 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19962 (BT_FN_UINT_UINT): New.
19963 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19964 DEF_FUNCTION_TYPE_VAR_4): Document.
19965 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19966 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19967 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19968 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19969 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19970 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19971 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19972 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19973 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19974 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19975 into separate files.
19976 (DEF_GOMP_BUILTIN): New.
19977 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19978 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19979 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19980 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19981 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19982 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19983 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19984 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19985 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19986 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19987 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19988 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19989 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19990 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19991 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19992 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19993 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19994 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19995 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19996 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19997 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19998 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19999 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20000 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20001 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20002 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20003 * sync-builtins.def: New file, moved from builtins.def.
20004 * omp-builtins.def: New file, moved from builtins.def.
20005 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20006 * gimple-low.c (lower_function_body): Clear data.
20007 (lower_stmt): Do not handle COMPOUND_EXPR.
20008 Remove call to print_node_brief.
20009 * c-tree.h (c_finish_omp_clauses): New prototype.
20010 (C_DECL_THREADPRIVATE_P): Define.
20011 (lookup_name_no_remap, c_omp_remap_private): Remove
20012 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20013 (check_for_loop_decls): Update decl.
20014 (lookup_name_no_remap, c_omp_remap_private): Declare.
20015 (build_indirect_ref, build_modify_expr, pushdecl,
20016 pushdecl_top_level): Move to c-common.h.
20017 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20018 before the switch, but just in the 2 places that need it.
20019 * c-decl.c (diagnose_mismatched_decls): Do not check for
20020 mismatched thread-local attributes when OLDDECL is marked
20021 threadprivate and NEWDECL has no thread-local attributes.
20022 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20023 (c_gimple_diagnostics_recursively): Rename from
20024 c_warn_unused_result_recursively. Invoke
20025 diagnose_omp_structured_block_errors.
20026 (check_for_loop_decls): Return a singular decl found.
20027 * langhooks.c (lhd_omp_predetermined_sharing): Return
20028 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20029 (lhd_omp_firstprivatize_type_sizes): New.
20030 (lhd_omp_assignment): New.
20031 (lhd_omp_predetermined_sharing): New.
20032 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20033 (struct lang_hooks_for_types): Add
20034 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20035 omp_predetermined_sharing, omp_disregard_value_expr,
20036 omp_private_debug_clause, omp_clause_default_ctor,
20037 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20038 (c_finish_omp_clauses): New.
20039 (c_finish_bc_stmt): Diagnose break within omp for.
20040 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20041 (build_unary_op): Return error_mark after reporting
20043 (build_modify_expr): Likewise.
20044 * gimplify.c: Include optabs.h and pointer-set.h.
20045 (enum gimplify_omp_var_data): Declare.
20046 (struct gimplify_omp_ctx): Declare.
20047 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20049 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20050 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20051 (splay_tree_compare_decl_uid): New.
20052 (new_omp_context): New.
20053 (delete_omp_context): New.
20054 (gimple_add_tmp_var): Call omp_add_variable.
20055 (gimplify_bind_expr): Likewise.
20056 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20057 true, disregard DECL_VALUE_EXPR on the decl if any.
20058 (gimplify_expr_in_ctx): New.
20059 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20060 omp_add_variable, omp_notice_variable, omp_is_private
20061 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20062 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20063 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20064 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20065 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20066 gimplify_omp_atomic): New.
20067 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20068 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20069 OMP_CRITICAL and OMP_ATOMIC.
20070 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20071 * c-pragma.h (enum pragma_kind): Add
20072 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20073 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20074 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20075 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20076 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20077 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20078 PRAGMA_OMP_THREADPRIVATE.
20079 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20080 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20081 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20082 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20083 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20084 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20085 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20086 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20087 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20088 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20089 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20090 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20091 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20093 (struct nesting_info): Add field_map,
20094 suppress_expansion, debug_var_chain.
20095 (create_nesting_tree): Initialize them.
20096 (lookup_field_for_decl): Use field_map.
20097 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20098 (convert_local_omp_clauses): New.
20099 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20100 (walk_body): Split out of walk_function.
20101 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20102 (convert_nonlocal_reference): Handle omp statements.
20103 (convert_local_reference): Likewise.
20104 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20105 (unnest_nesting_tree): New.
20106 (lower_nested_functions): Call it.
20107 (insert_field_into_struct): Make extern.
20108 (struct walk_stmt_info): Move to tree-gimple.h.
20109 (walk_stmts): Make extern.
20110 * omp-builtins.def: New file.
20111 * tree-iterator.c (expr_only): Clarify comment.
20112 * c-common.h (pushdecl_top_level, pushdecl,
20113 build_modify_expr, build_indirect_ref,
20114 c_finish_omp_master, c_finish_omp_critical,
20115 c_finish_omp_ordered, c_finish_omp_barrier,
20116 c_finish_omp_atomic, c_finish_omp_flush,
20117 c_finish_omp_for, c_split_parallel_clauses,
20118 omp_clause_default_kind, c_omp_sharing_predetermined,
20119 c_omp_remap_decl): Declare.
20120 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20121 (OBJS-common): Add omp-low.o.
20122 (c-omp.o, omp-low.o): Add.
20123 (gimplify.o): Add dependency on $(OPTABS_H).
20124 (GTFILES): Add omp-low.c.
20125 (gt-stringpool.h): Add.
20126 * tree-cfg.c (set_bb_for_stmt): Do not update the
20127 block-to-labels map if we are currently expanding to RTL.
20128 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20130 Handle IDENTIFIER_NODE.
20131 (tree_verify_flow_info): Do not ICE when emitting error
20132 messages about invalid labels.
20133 (dump_function_to_file): Reset CFUN before emitting the body
20135 (debug_function): New.
20136 * passes.c (init_optimization_passes): Schedule
20138 * langhooks-def.h (lhd_omp_predetermined_sharing,
20139 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20141 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20142 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20143 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20144 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20145 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20146 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20147 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20148 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20149 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20150 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20151 (LANG_HOOK_DECLS): Use them.
20153 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20154 Richard Henderson <rth@redhat.com>
20155 Jakub Jelinek <jakub@redhat.com>
20156 Diego Novillo <dnovillo@redhat.com>
20158 * c-parser.c (pragma_omp_clause): Define.
20159 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20160 (c_parser_compound_statement): Likewise.
20161 (c_parser_statement): Likewise.
20162 (c_parser_pragma): Handle omp pragmas.
20163 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20164 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20165 (c_parser_omp_clause_name, check_no_duplicate_clause,
20166 c_parser_omp_variable_list,
20167 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20168 c_parser_omp_clause_copyprivate,
20169 c_parser_omp_clause_default,
20170 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20171 c_parser_omp_clause_lastprivate,
20172 c_parser_omp_clause_nowait,
20173 c_parser_omp_clause_num_threads,
20174 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20175 c_parser_omp_clause_reduction,
20176 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20177 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20178 c_parser_omp_atomic, c_parser_omp_barrier,
20179 c_parser_omp_critical, c_parser_omp_flush,
20180 c_parser_omp_for_loop, c_parser_omp_for,
20181 c_parser_omp_master, c_parser_omp_ordered,
20182 c_parser_omp_sections_scope, c_parser_omp_sections,
20183 c_parser_omp_parallel, c_parser_omp_single,
20184 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20185 * c-pragma.c (init_pragma): Do omp pragma registration here.
20186 * c.opt (fopenmp): New flag.
20188 2006-01-18 Eric Christopher <echristo@apple.com>
20190 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20191 * config/darwin.h (GOMP_SELF_SPECS): Define.
20193 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20195 * rtl.h: Remove the prototype for reg_alloc.
20197 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20200 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20201 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20202 sjlj and dwarf2 exception handling.
20203 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20204 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20205 * pa/pa.c (function_value): Treat complex and vector types as
20207 (function_arg): Likewise. Only pass scalar floats in the floating
20208 point argument registers.
20209 * pa/t-slibgcc-dwarf-ver: New file.
20210 * pa/t-slibgcc-sjlj-ver: New file.
20211 * pa/t-slibgcc-elf-ver: Delete file.
20213 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20215 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20216 unlikely_test_section_p test.
20218 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20220 * mode-switching.c (optimize_mode_switching): Make it static.
20221 * basic-block.h: Remove the prototype for
20222 optimize_mode_switching.
20224 * modulo-sched.c (sms_schedule): Make it static.
20225 * rtl.h: Remove the prototype for sms_schedule.
20227 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20228 * rtl.h: Remove the prototype for gcse_after_reload_main.
20230 * reg-stack.c (reg_to_stack): Make it static.
20231 * rtl.h: Remove the prototype for reg_to_stack.
20233 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20235 * rtl.h: Remove the prototypes for regrename_optimize and
20236 copyprop_hardreg_forward.
20238 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20240 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20241 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20242 Test against the appropriate null constant for the mode.
20243 If 'fixup_overlap' is true, swap the operands if they overlap.
20244 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20245 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20246 alpha_split_tmode_pair and adjust for above change.
20247 * config/alpha/alpha.md (movtf_internal): Adjust call to
20248 alpha_split_tfmode_pair and rely on it to swap the operands.
20249 (movti_internal): New insn and post-reload splitter.
20250 (movti): New expander.
20252 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20254 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20257 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20259 * rtlanal.c (global_reg_mentioned_p_1,
20260 global_reg_mentioned_p): Remove.
20261 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20263 * flow.c (initialize_uninitialized_subregs): Make it static.
20264 * rtl.h: Remove the prototype for
20265 initialize_uninitialized_subregs.
20267 * function.c (instantiate_virtual_regs): Make it static.
20268 * function.h: Remove the prototype for
20269 instantiate_virtual_regs.
20271 * regmove.c (regmove_optimize, combine_stack_adjustments):
20273 * rtl.h: Remove the prototypes for regmove_optimize and
20274 combine_stack_adjustments.
20276 2006-01-17 Roger Sayle <roger@eyesopen.com>
20278 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20279 (size_cost): Encode costs in bytes so that a reg-reg addition is
20280 equivalent to COSTS_N_INSNS(1).
20281 (override_options): Use the size_cost.branch_cost as the default
20282 ix86_branch_cost when optimizing for size.
20284 2006-01-18 Ben Elliston <bje@au.ibm.com>
20286 * Makefile.in (D32PBIT_FUNCS): New.
20287 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20288 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20289 D64PBIT_FUNCS and D128PBIT_FUNCS.
20290 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20291 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20293 (decnumber_dep): Define.
20294 * doc/libgcc.texi (Decimal float library routines): New node.
20295 * config/dfp-bit.h, config/dfp-bit.c: New files.
20297 2006-01-18 Ben Elliston <bje@au.ibm.com>
20299 * expr.c (emit_move_change_mode): Always adjust addresses, not
20300 just during reload. Copy replacements only during reload.
20301 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20302 emit_move_via_integer.
20304 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20306 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20307 instead of $(srcdir) and ${srcdir}.
20309 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20312 PR middle-end/11135
20313 * arm.h (struct machine_function): Add pic_reg.
20314 * arm.c (arm_pic_register): Make unsigned.
20315 (arm_override_options): Only set arm_pic_register if
20316 TARGET_SINGLE_PIC_BASE.
20317 (use_return_insn): Only test for a pic register if it is fixed.
20318 (arm_compute_save_reg0_reg12_mask): Likewise.
20319 (thumb_compute_save_reg_mask): Likewise.
20320 (legitimate_pic_operand): Factor out some known invariants.
20321 (legitimize_pic_address): If we don't have a fixed pic register,
20322 then set up a pseudo in the function entry sequence. Handle the
20323 pic base being in a pseudo.
20324 (arm_load_pic_register): Handle the pic register being in a pseudo.
20325 (arm_expand_prologue): Only set up the pic register if it is fixed.
20326 (thumb_expand_prologue): Likewise.
20327 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20328 (pic_load_addr_based_insn): Likewise.
20329 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20332 2006-01-18 Ben Elliston <bje@au.ibm.com>
20334 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20335 decimal float modes for all floating point registers.
20337 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20338 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20340 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20343 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20344 even when the pointer is not NULL.
20346 2006-01-16 Ian Lance Taylor <ian@airs.com>
20348 * common.opt (ftoplevel-reorder): New option.
20349 * cgraph.c (cgraph_asm_nodes): New global variable.
20350 (cgraph_asm_last_node): New static variable.
20351 (cgraph_order): New global variable.
20352 (cgraph_create_node): Set new order field.
20353 (cgraph_varpool_node): Likewise.
20354 (decide_is_variable_needed): Return true if not
20355 flag_toplevel_reorder.
20356 (cgraph_add_asm_node): New function.
20357 * cgraph.h (struct cgraph_node): Add order field.
20358 (struct cgraph_varpool_node): Add order field.
20359 (struct cgraph_asm_node): Define.
20360 (cgraph_asm_nodes, cgraph_order): Declare.
20361 (cgraph_add_asm_node): Declare.
20362 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20364 (cgraph_varpool_assemble_pending_decls): Call it.
20365 (cgraph_output_pending_asms): New static function.
20366 (cgraph_finalize_compilation_unit): Call it.
20367 (struct cgraph_order_sort): Define.
20368 (cgraph_output_in_order): New static function.
20369 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20370 !flag_toplevel_reorder case.
20371 * c-parser.c: Include "cgraph.h".
20372 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20374 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20375 than -fno-unit-at-a-time.
20376 * doc/invoke.texi (Option Summary): Mention
20377 -fno-toplevel-reorder.
20378 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20379 -funit-at-a-time documentation.
20381 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20382 Kazu Hirata <kazu@codesourcery.com>
20384 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20386 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20388 * Makefile.in (FUNCTION_H): New. Use it instead of
20389 function.h throughout the file.
20390 * function.h: Include tree.h.
20392 2006-01-17 Ben Elliston <bje@au.ibm.com>
20394 * recog.c: Separate some functions with whitespace.
20396 2006-01-16 Richard Henderson <rth@redhat.com>
20398 Merge from gomp branch:
20399 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20400 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20401 and rename from struct inline_data. Rename callee* to dst*;
20402 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20403 transform_new_cfg, transform_return_to_modify, and
20404 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20406 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20407 (copy_decl_for_dup): Remove.
20408 * tree-inline.c (struct inline_data): Move to header.
20409 (insert_decl_map): Export.
20410 (remap_decl): Update for member name changes. Use copy_decl hook.
20411 Allow for replacement to be a non-decl. Remove dead code.
20412 (remap_type_1): Check for existing mapping.
20413 (remap_type): Export.
20414 (remap_decls): Update for member name changes.
20415 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20416 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20417 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20418 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20419 (tree_function_versioning, build_duplicate_type): Likewise.
20420 (copy_body_r): Likewise. Export.
20421 (copy_decl_for_dup): Split into ...
20422 (copy_decl_for_dup_finish, copy_decl_to_var,
20423 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20424 (replace_ref_tree, inlining_p): Remove.
20426 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20428 * ifcvt.c (if_convert): Make it static.
20429 * rtl.h: Remove the prototype for if_convert.
20431 * local-alloc.c (local_alloc): Make it static.
20432 * rtl.h: Remove the prototype for local_alloc.
20434 * loop.c (loop_optimize): Make it static.
20435 * cfgloop.h: Remove the prototype for loop_optimize.
20438 2006-01-16 DJ Delorie <dj@redhat.com>
20440 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20443 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20445 * pa.md: Disparage copies between general and floating-point registers
20446 in 32-bit move patterns.
20448 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20451 * Makefile.in (check-%): Depend on site.exp instead of
20452 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20455 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20457 * global.c (global_alloc): Make it static.
20458 * rtl.h: Remove the prototype for global_alloc.
20460 2006-01-16 Richard Guenther <rguenther@suse.de>
20462 * tree-ssa-alias.c (struct used_part): Add write_only field.
20463 (get_or_create_used_part_for): Initialize it to true.
20464 (create_overlap_variables_for): Don't create structure variables
20465 for structures that only are written to.
20466 (find_used_portions): Handle MODIFY_EXPR to track whether a
20467 structure is only written to.
20469 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20471 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20473 * basic-block.h: Remove the prototype for
20474 partition_hot_cold_basic_blocks.
20476 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20478 * cppspec.c (lang_specific_spec_functions): Remove.
20479 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20480 * gcc.h (lang_specific_spec_functions): Remove.
20481 * gccspec.c (lang_specific_spec_functions): Remove.
20483 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20485 * combine.c (record_value_for_reg): Invalidate registers
20487 (record_dead_and_set_regs_1): Likewise, by passing them to
20488 record_value_for_reg.
20489 (record_dead_and_set_regs): Invalidate stores made by a
20490 call. We do not combine across a call, but we still
20491 relied on equivalences.
20493 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20495 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20496 vrp_int_const_binop returning non-constant nodes.
20498 2006-01-16 Paul Brook <paul@codesourcery.com>
20500 * config/m68k/m68k.c (output_move_const_into_data_reg):
20501 Output correct mnemonic for mvz and mvs.
20503 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20505 * rtl-factoring.c: Add sequence abstraction algorithm.
20506 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20507 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20509 (block_has_preserve_label): New function.
20510 * common.opt: Register new pass.
20511 * Makefile.in: Ditto.
20513 * timevar.def: Ditto.
20514 * tree-pass.h: Ditto.
20515 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20516 * rtl.h (make_jump_insn_raw): Add forward decl.
20517 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20519 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20520 Roger Sayle <roger@eyesopen.com>
20522 * fold-const.c (fold_minmax): New static function.
20523 (fold_binary) <MIN_EXPR>: Call it.
20524 <MAX_EXPR>: Likewise.
20525 * stor-layout.c (place_field): Use DECL_SIZE consistently
20526 in the computation of the new record size.
20528 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20530 * cse.c (cse_condition_code_reg): Make it static.
20531 * rtl.h: Remove the prototype for cse_condition_code_reg.
20533 * combine.c (combine_instructions): Make it static.
20534 * rtl.h: Remove the prototype for combine_instructions.
20536 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20539 * tree.c (get_file_function_name_long): Concatenate the first global
20540 object name with a string derived from the input filename of the object
20543 2006-01-16 Ben Elliston <bje@au.ibm.com>
20545 * config/i386/winnt-stubs.c: Update FSF address.
20546 * config/xtensa/ieee754-df.S: Ditto.
20547 * config/xtensa/ieee754-sf.S: Ditto.
20549 2006-01-14 Ian Lance Taylor <ian@airs.com>
20551 * ifcvt.c (noce_init_if_info): New static function, broken out of
20552 noce_process_if_block.
20553 (noce_process_if_block): Call noce_init_if_info.
20554 (check_cond_move_block): New static function.
20555 (cond_move_process_if_block): New static function.
20556 (process_if_block): Call cond_move_process_if_block.
20558 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20560 * cselib.c (hash_table): Rename to cselib_hash_table.
20561 (cselib_clear_table, discard_useless_values,
20562 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20563 cselib_init, cselib_finish): Adjust uses of hash_table.
20565 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20567 PR tree-optimization/25485
20568 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20569 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20570 is known to be false and true, respectively.
20572 2006-01-14 Richard Guenther <rguenther@suse.de>
20574 PR tree-optimization/22548
20575 PR tree-optimization/22555
20576 PR tree-optimization/22501
20577 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20578 * params.def (salias-max-array-elements): New parameter.
20579 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20580 * doc/invoke.texi (salias-max-array-elements): Document.
20581 * tree-flow-inline.h (var_can_have_subvars): We also handle
20583 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20585 * tree-ssa-structalias.c (params.h): Include.
20586 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20587 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20588 (get_constraint_for): For ADDR_EXPR operating on something
20589 containing an ARRAY_REF, add all subvars to the solution.
20590 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20591 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20592 for creating MUST_DEFs.
20593 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20595 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20597 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20599 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20600 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20601 number_of_iterations_le): New functions.
20602 (number_of_iterations_special): Removed.
20603 (number_of_iterations_exit): Do not use number_of_iterations_special.
20604 * tree.c (unsigned_type_for): Always return integer type.
20606 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20607 Richard Guenther <rguenther@suse.de>
20609 PR rtl-optimization/24257
20610 * gcse.c (find_moveable_store): Only consider a store movable
20611 when the SET_SRC of the insn can be assigned to a register.
20613 2006-01-14 Ian Lance Taylor <ian@airs.com>
20615 * tree.c (tree_not_class_check_failed): New function.
20616 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20617 (tree_not_class_check_failed): Declare.
20619 2006-01-13 Ian Lance Taylor <ian@airs.com>
20621 * reload1.c (do_output_reload): Add assertion rejecting a
20624 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20626 * combine.c (struct reg_stat): Add new fields truncation_label and
20628 (record_value_for_reg): Reset truncated_to_mode.
20629 (record_truncated_value): New function.
20630 (check_promoted_subreg): Call it. Rename to check_conversions.
20631 (combine_instructions): Rename check_promoted_subreg to
20633 (reg_truncated_to_mode): New function.
20634 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20635 (gen_lowpart_or_truncate): New function.
20636 (force_to_mode): Use it instead of gen_lowpart.
20638 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20640 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20641 VAR is a tag, not its type tag.
20643 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20645 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20646 alternatives to match style of other entries.
20647 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20649 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20651 PR tree-optimization/25771
20652 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20655 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20658 * tree-inline.c (declare_return_variable): If the return variable
20659 was marked as a non gimple complex, set the return slot variable
20660 to be a non gimple comple variable.
20662 2006-01-13 Richard Guenther <rguenther@suse.de>
20664 * builtins.c (expand_builtin_sincos): New function.
20665 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20667 (expand_builtin): Expand sincos using expand_builtin_sincos.
20669 2006-01-12 DJ Delorie <dj@redhat.com>
20671 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20672 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20673 so that constant shifts can be split.
20674 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20675 (m32c_valid_pointer_mode): Make static.
20676 (shift_gen_func_for): New.
20677 (m32c_prepare_shift): Use it. Split large const shifts into
20679 * config/m32c/predicates.md (shiftcount_operand): Allow more
20681 (longshiftcount_operand): New.
20682 * doc/md.texi (Machine Constraints): Document In6.
20684 2006-01-13 Ben Elliston <bje@au.ibm.com>
20686 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20687 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20690 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20692 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20693 to try to avoid clobbering pieces of structures when we know
20694 something about the whole structure.
20695 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20697 2006-01-13 Ben Elliston <bje@au.ibm.com>
20699 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20700 return in memory, as this is no limitation is no longer present.
20702 2006-01-12 DJ Delorie <dj@redhat.com>
20704 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20705 mova with fb, and for fb+0 -> An.
20707 * config/m32c/mov.md (peephole2): Fix enabling logic.
20709 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20710 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20711 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20712 FINI_ARRAY_SECTION_ASM_OP): Define.
20714 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20716 (m32c_legitimize_reload_address): New logic to reload FB to An.
20717 (m32c_output_reg_push): Add newline.
20718 (m32c_output_reg_pop): Likewise.
20720 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20722 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20724 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20726 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20728 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20730 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20733 2006-01-11 Ben Elliston <bje@au.ibm.com>
20735 * rtlanal.c (find_reg_note): Assert insn is not null.
20737 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20739 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20742 2006-01-11 Jeff Law <law@redhat.com>
20744 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20746 (mark_threaded_blocks, register_jump_thread): New functions.
20747 (thread_through_all_blocks): Remove unwanted argument. No
20748 longer rely on e->aux to communicate thread target info.
20749 Call mark_threaded_blocks. Release the threaded_blocks
20750 bitmap and threaded_edges vector when complete.
20751 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20752 (threaded_blocks): Remove.
20753 (tree_ssa_dominator_optimize): Remove initialization and
20754 finalization of threaded_blocks. Simplify call to
20755 thread_through_all_blocks.
20756 (thread_across_edge): Call register_jump_thread rather than
20757 storing thread information into e->aux.
20758 (free_all_edge_infos): Simplify now that e->aux is no longer
20759 used to communicate with thread_through_all_blocks.
20760 * tree-flow.h (thread_through_all_blocks): Update prototype.
20761 (register_jump_thread): Prototype.
20763 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20765 * df-core.c (df_compact_blocks, df_bb_replace): Use
20766 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20768 2006-01-11 Richard Guenther <rguenther@suse.de>
20770 PR tree-optimization/25734
20771 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20772 stop propagation after successful propagation to the LHS.
20774 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20776 * basic-block.h (control_flow_graph): Change the type of
20777 x_basic_block_info to VEC(basic_block,gc) *.
20778 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20780 (SET_BASIC_BLOCK): New.
20781 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20782 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20783 * cfgbuild.c (find_basic_blocks): Likewise.
20784 * cfglayout.c (fixup_reorder_chain): Likewise.
20785 * cfgrtl.c (create_basic_block_structure,
20786 rtl_create_basic_block): Likewise.
20787 * ifcvt.c (find_if_case_1): Likewise.
20788 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20791 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20793 * Makefile.in: Removed rotted odf.c entry.
20795 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20798 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20799 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20800 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20801 output pattern modifier, not %e.
20802 * config/cris/cris.c (cris_op_str): Update comment about pattern
20804 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20805 before falling through into...
20806 <case 'E'>: Redefined from old 'e' case.
20808 2006-01-11 Jan Hubicka <jh@suse.cz>
20811 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20813 2006-01-11 Jan Hubicka <jh@suse.cz>
20815 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20816 * i386.c (x86_decompose_lea): Kill.
20817 (ix86_rtx_costs): Kill.
20819 2006-01-11 Jan Hubicka <jh@suse.cz>
20821 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20822 * cgraph.h (cgraph_node): Add inline_decl.
20823 (cgraph_insert_node_to_hashtable): Declare.
20824 (save_inline_function_body): Declare.
20825 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20827 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20828 (cgraph_function_versioning): Update call of tree_function_versioning.
20829 (save_inline_function_body): New function.
20830 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20831 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20832 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20833 (cgraph_default_inline_p): Likewise.
20834 (cgraph_decide_inlining_incrementally): Likewise.
20835 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20836 (copy_bb): Kill saving; do updating of clones.
20837 (copy_cfg_body): Kill saving.
20838 (initialize_inlined-parameters): Likewise.
20839 (expand_call_inline): Likewise.
20841 (tree_function_versioning): New parameter "update_clones".
20842 (inlining_p): Kill saving.
20843 * tree-inline.h (tree_function_versioning): Update prototype.
20844 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20847 2006-01-11 Ian Lance Taylor <ian@airs.com>
20849 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20850 Allow undoing set of machine mode.
20851 (do_SUBST): Use enums instead of is_int.
20852 (do_SUBST_MODE): New function.
20853 (SUBST_MODE): New macro.
20854 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20855 reg and trying to replace reg_regno_rtx with a new register.
20856 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20857 (simplify_set): Use SUBST_MODE.
20858 (distribute_notes): Remove code that tried to update reg notes
20859 for regno_reg_rtx changes.
20861 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20863 PR tree-optimization/23109
20864 PR tree-optimization/23948
20865 PR tree-optimization/24123
20867 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20868 * tree-cfg.c (single_noncomplex_succ): New.
20869 * tree-flow.h (single_noncomplex_succ): Declare it.
20870 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20871 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20872 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20873 insert_bb, register_division_in, insert_reciprocals,
20874 replace_reciprocal, free_bb): New.
20875 (execute_cse_reciprocals_1): Rewritten.
20876 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20877 Do not commit any edge insertion. Always compute dominators and
20878 create the allocation pool.
20879 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20880 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20881 * targhooks.c (default_min_divistions_for_recip_mul): New.
20882 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20883 * passes.c (init_optimization_passes): Run recip after tree loop
20885 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20887 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20888 Kenneth Zadeck <zadeck@naturalbridge.com>
20890 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20891 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20892 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20893 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20894 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20895 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20896 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20897 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20898 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20899 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20900 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20901 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20902 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20903 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20904 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20905 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20906 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20907 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20908 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20909 DF_SCAN_POST_ALLOC): New macros.
20910 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20911 df_free_bb_function, df_local_compute_function, df_init_function,
20912 df_dataflow_function, df_confluence_function_0,
20913 df_confluence_function_n, df_transfer_function,
20914 df_finalizer_function, df_free_function, df_dump_problem_function,
20915 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20916 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20917 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20918 df_urec_bb_info, ) New types.
20919 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20921 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20922 df_analyze_simple_change_some_blocks,
20923 df_analyze_simple_change_one_block, df_compact_blocks,
20924 df_bb_replace, df_bb_regno_last_use_find,
20925 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20926 df_insn_regno_def_p, df_find_def, df_find_use,
20927 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20928 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20929 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20930 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20931 debug_df_chain, df_get_dependent_problem, df_chain_create,
20932 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20933 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20934 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20935 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20936 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20937 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20938 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20939 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20940 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20941 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20942 df_reorganize_refs, df_set_state, df_hard_reg_init,
20943 df_read_modify_subreg_p) New public functions.
20944 * df-core.c: The core dataflow solver and glue routines for rtl
20946 (df_init, df_add_problem, df_set_blocks, df_finish,
20947 df_hybrid_search_forward, df_hybrid_search_backward,
20948 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20949 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20950 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20951 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20952 df_reg_defined, df_find_use, df_reg_used, df_dump,
20953 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20954 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20955 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20956 debug_df_useno, reset_df_after_reload): New functions.
20957 * df-scan.c: The scanning fuctions, once in df.c, completely
20958 rewritten so that they now fully model the functionality of
20959 register usage at the backend.
20960 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20961 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20962 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20963 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20964 df_get_artificial_defs, df_get_artificial_uses,
20965 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20966 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20967 df_refs_delete, df_reorganize_refs, df_set_state,
20968 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20969 df_def_record_1, df_defs_record, df_uses_record,
20970 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20971 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20972 df_record_exit_block_uses, df_hard_reg_init): New functions.
20974 * df-problems.c: Seven concrete dataflow problems that use the
20975 scanning in df-scan.c and are solved by the engine in df-core.c.
20976 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20977 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20978 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20979 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20980 df_ru_free_bb_info, df_ru_alloc,
20981 df_ru_bb_local_compute_process_def,
20982 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20983 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20984 df_ru_transfer_function, df_ru_free, df_ru_dump,
20985 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20986 df_rd_free_bb_info, df_rd_alloc,
20987 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20988 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20989 df_rd_transfer_function, df_rd_free, df_rd_dump,
20990 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20991 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20992 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20993 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20994 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20995 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20996 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20997 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20998 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20999 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21000 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21001 df_urec_mark_reg_use_for_earlyclobber,
21002 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21003 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21004 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21005 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21006 df_chain_create_bb_process_use, df_chain_create_bb,
21007 df_chain_finalize, df_chain_free, df_chains_dump,
21008 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21009 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21010 df_reg_lifetime): New functions.
21011 * df.c: Deleted file.
21012 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21013 consistent with new df api.
21014 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21015 rest_of_handle_sms): Ditto.
21016 * web.c (unionfind_union, union_defs, entry_register, web_main):
21018 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21019 invariant_expr_equal_p, find_defs, check_dependencies,
21020 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21021 free_inv_motion_data, move_loop_invariants): Ditto.
21022 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21023 Update dependencies.
21024 (odf.c): Added defective entry that was deleted later in day.
21025 * sched-deps.c (sched_analyze_1): Ditto.
21027 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21029 * tree-ssa-operands.c (get_expr_operands): Record addressable
21030 variables directly. Do not call add_stmt_operands for CONST_DECLs
21032 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21033 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21035 2006-01-11 Ben Elliston <bje@au.ibm.com>
21037 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21038 function returns true in the positive case.
21040 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21043 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21044 for SI, DI, SF and DF modes. Add alternatives to copy between
21045 general and floating point registers to the 32-bit patterns.
21046 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21047 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21048 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21049 generating 64-bit code.
21050 * config/pa/pa.c (output_move_double): Handle copies between general
21051 and floating registers.
21053 2006-01-10 Stuart Hastings <stuart@apple.com>
21055 * config/i386/i386.md (set_got): Update.
21056 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21057 (builtin_setjmp_receiver): Mach-O support.
21058 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21059 (GOT_SYMBOL_NAME): Define.
21060 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21061 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21062 * config/i386/i386.c (override_options): Revise for Darwin.
21063 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21064 support. (darwin_x86_file_end): New. (output_set_got): Add label
21065 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21066 * config/i386/i386-protos.h (output_set_got): Likewise.
21067 * config/darwin.c (machopic_legitimize_pic_address): Update
21070 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21072 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21073 when MODE isn't BLKmode.
21075 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21077 PR rtl-optimization/25367
21078 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21080 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21083 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21084 for a negative bound.
21086 2006-01-10 Richard Guenther <rguenther@suse.de>
21088 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21089 Never override with anything constraint.
21091 2006-01-10 Jan Beulich <jbeulich@novell.com>
21093 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21094 256 bits when optimize_size.
21096 2006-01-10 Jan Beulich <jbeulich@novell.com>
21098 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21100 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21101 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21104 2006-01-10 Ben Elliston <bje@au.ibm.com>
21106 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21108 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21109 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21110 (USE_FP_FOR_ARG): Reject decimal float modes.
21111 (function_arg_advance): Likewise.
21112 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21113 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21114 point types in AltiVec vectors.
21115 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21116 (rs6000_libcall_value): Likewise.
21118 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21120 * config/xtensa/ieee754-df.S: New file.
21121 * config/xtensa/ieee754-sf.S: New file.
21122 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21123 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21124 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21126 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21128 * config/sh/predicates.md (binary_float_operator,
21129 binary_logical_operator, commutative_float_operator,
21130 equality_comparison_operator, greater_comparison_operator,
21131 less_comparison_operator, logical_operator,
21132 noncommutative_float_operator, shift_operator,
21133 symbol_ref_operand, unary_float_operator): Remove redundant
21136 2006-01-09 Jeff Law <law@redhat.com>
21138 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21139 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21140 now unused arguments. Callers updated.
21141 (eliminate_redundant_computations): Remove now unused arguments,
21143 (local_fold): Remove, no longer used.
21144 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21146 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21147 (simplify_cond): New function.
21148 (forward_propagate_into_cond): Call simplify_cond.
21150 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21152 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21153 (*vec_extractv2di_1_sse): New.
21155 2006-01-09 Ben Elliston <bje@au.ibm.com>
21157 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21159 2006-01-08 Richard Guenther <rguenther@suse.de>
21161 * tree-ssa-structalias.c (get_constraint_for): Remove
21162 anyoffset argument.
21163 (get_constraint_for_component_ref): Likewise.
21164 (do_deref): Likewise.
21165 (get_constraint_for): Likewise.
21166 (do_structure_copy): Likewise.
21167 (handle_ptr_arith): Likewise.
21168 (find_func_aliases): Likewise. Remove unused need_anyoffset
21171 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21172 Kaz Kojima <kkojima@gcc.gnu.org>
21174 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21175 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21176 (EXTRA_CONSTRAINT_C16): Remove.
21177 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21178 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21179 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21180 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21181 constants of SHmedia. Handle nested constant expressions of
21183 (andcosts): Fix the costs for SHmedia constants.
21184 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21185 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21186 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21187 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21188 (movv4hi_i, movv2si_i): Likewise.
21189 (movsi_const): Adjust the second operand of ior so to match with
21190 the Csu constraint.
21191 (movdi_const, movdi_const_32bit): Likewise.
21192 (movdi_const_16bit+1): Don't sign-extend LOW.
21193 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21195 (*double_shori): Fix the split condition. Use GEN_INT instead
21196 of get_int_mode calls. Mask lower 16-bit of the argument of
21198 (sym2GOTPLT): Remove.
21199 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21201 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21202 instead of EXTRA_CONSTRAINT_C16.
21204 2006-01-07 Ian Lance Taylor <ian@airs.com>
21205 David Edelsohn <edelsohn@gnu.org>
21207 PR rtl-optimization/25662
21208 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21209 for constant operands instead of simplify_gen_binary.
21210 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21211 after trying simplify_binary_operation
21213 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21215 * tree.c (iterative_hash_expr): Hash decls based on UID.
21217 2006-01-06 Eric Christopher <echristo@apple.com>
21219 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21220 (TARGET_UNWIND_EMIT): Fix spelling.
21221 * target.h (gcc_target): Add except_table_label.
21222 * except.c (output_function_exception_table): Use.
21223 * varasm.c (default_emit_except_table_label): New.
21224 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21226 (asm_out): Add here.
21227 * output.h (default_emit_except_table_label): Prototype.
21228 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21229 * config/darwin.c (darwin_emit_except_table_label): Define.
21230 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21232 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21234 PR tree-optimization/18527
21235 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21236 number_of_iterations_special, number_of_iterations_exit):
21237 Move base and step of an iv to a single structure. Add
21238 no_overflow flag, and use it in # of iterations analysis.
21239 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21240 folded_casts argument.
21241 (simple_iv): Pass base and step in a structure. Set no_overflow
21243 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21244 Evaluate expensiveness of computing # of iterations instead of
21245 the final expression.
21246 * tree-scalar-evolution.h (affine_iv): New structure.
21247 (simple_iv): Declaration changed.
21248 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21249 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21250 find_givs_in_stmt): Changed due to simple_iv change.
21252 2006-01-06 Jeff Law <law@redhat.com>
21255 * tree-cfg.c (bsi_replace): Rename final argument from
21256 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21257 change (stmt -> orig_stmt).
21258 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21259 (bsi_remove): Add new argument. Remove EH information
21261 (verify_eh_throw_table_statements): New function.
21262 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21264 * tree-optimize.c (execute_free_cfg_annotations): Verify
21265 the EH throw statement table after removing annotations.
21266 * except.h (verify_eh_throw_table_statements): Prototype.
21267 * tree-flow.h (bsi_remove): Update prototype.
21268 * tree-vrp.c (remove_range_assertions): Add new argument to
21270 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21271 * tree-complex.c (expand_complex_div_wide): Likewise.
21272 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21273 * tree-tailcall.c (eliminate_tailcall): Likewise.
21274 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21275 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21276 * tree-nrv.c (tree_nrv): Likewise.
21277 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21278 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21279 (combine_blocks): Likewise.
21280 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21281 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21282 (cleanup_control_flow): Likewise.
21283 (remove_forwarder_block): Likewise.
21284 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21285 * tree-sra.c (sra_replace): Likewise.
21286 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21287 (forward_propagate_single_use_vars): Likewise.
21288 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21289 * tree-inline.c (expand_call_inline): Likewise.
21290 * tree-vect-transform.c (vect_transform_loop): Likewise.
21291 * tree-outof-ssa.c (rewrite_trees): Likewise.
21292 * tree-cfg.c (make_goto_expr_edges): Likewise.
21293 (cleanup_dead_labels): Likewise.
21294 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21295 (bsi_move_before, bsi_move_after): Likewise.
21296 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21297 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21299 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21302 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21304 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21305 on non gimple variables. Also add checks at the top for decls and
21307 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21309 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21310 and IMAGPART_EXPR for creating MUST_DEFs.
21311 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21312 and NAME_MEMORY_TAG separately from the DECLs.
21314 2006-01-06 Richard Guenther <rguenther@suse.de>
21316 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21317 annotation, if necessary.
21318 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21319 redundant calls to update_stmt.
21320 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21323 2006-01-05 Richard Henderson <rth@redhat.com>
21325 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21327 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21329 * c-typeck.c: Update copyright date.
21331 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21333 * c-typeck.c (build_c_cast): Always warn when casting
21334 from a pointer to an integer of different size, even if
21335 the node was constant.
21337 2006-01-05 Richard Guenther <rguenther@suse.de>
21339 PR tree-optimization/22555
21340 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21341 if one structure field is an array.
21342 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21343 operands even if we found a subvar, but ignore VOPs in this
21345 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21347 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21349 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21351 PR middle-end/24998
21352 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21354 2006-01-05 Richard Guenther <rguenther@suse.de>
21355 Diego Novillo <dnovillo@redhat.com>
21357 * tree-pass.h (TODO_remove_unused_locals): Define.
21358 * gimple-low.c (expand_var_p, remove_useless_vars,
21359 pass_remove_useless_vars): Remove. Update all users.
21360 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21361 (remove_unused_locals): New function.
21362 * tree-flow.h (remove_unused_locals): Declare.
21363 * passes.c (execute_todo): Call remove_unused_locals if
21364 TODO_remove_unused_locals is set.
21365 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21366 * tree-ssa-dce.c (pass_dce): Likewise.
21367 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21369 2006-01-05 Richard Guenther <rguenther@suse.de>
21371 * tree-flow.h (struct fieldoff): Decompose field to
21372 type, size and decl.
21373 * tree-ssa-alias.c (create_sft): Take type as parameter.
21374 (create_overlap_variables_for): Store type, size and decl
21375 in the fieldoff structure.
21376 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21377 of struct fieldoff.
21378 (push_fields_onto_fieldstack): Likewise.
21379 (create_variable_info_for): Likewise. Use offset for the
21380 SFT name if the decl is not available.
21382 2006-01-04 Paul Brook <paul@codesourcery.com>
21384 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21386 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21388 * lambda-code.c (can_put_in_inner_loop): Relax
21390 (can_put_after_inner_loop): New function.
21391 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21392 (perfect_nestify): Change to make copies and modify uses.
21394 2006-01-04 Richard Henderson <rth@redhat.com>
21396 Merge from gomp branch:
21397 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21398 via integer constant.
21399 (pragma_lex): Remove.
21400 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21401 rather than parsing it.
21402 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21403 handle_pragma_extern_prefix): Add %< %> quotes.
21404 (registered_pragmas): New.
21405 (c_register_pragma_1): New.
21406 (c_register_pragma): Use it.
21407 (c_register_pragma_with_expansion): Likewise.
21408 (c_invoke_pragma_handler): New.
21409 (init_pragma): Use cpp_register_deferred_pragma directly for
21411 * c-pragma.h (enum pragma_kind): New.
21412 (pragma_handler): New.
21413 (c_invoke_pragma_handler): Declare.
21414 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21416 * c-common.h (c_common_pch_pragma): Update decl.
21417 * Makefile.in (c-parser.o): Update dependencies.
21418 (GTFILES): Add c-pragma.h.
21419 * c-parser.c (struct c_token): Add pragma_kind.
21420 (struct c_parser): Add in_pragma.
21421 (c_lex_one_token): Always initialize keyword and pragma_kind.
21422 Extract data for CPP_PRAGMA.
21423 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21424 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21425 Don't allow CPP_PRAGMA_EOL if in_pragma.
21426 (c_parser_consume_pragma): New.
21427 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21428 (c_parser_skip_to_end_of_parameter): Likewise.
21429 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21430 (c_parser_skip_to_pragma_eol): New.
21431 (c_parser_external_declaration): Handle CPP_PRAGMA.
21432 (c_parser_compound_statement_nostart): Likewise.
21433 (c_parser_statement_after_labels): Likewise.
21434 (c_parser_pragma): New.
21435 (pragma_lex): Likewise.
21436 (c_parser_pragma_pch_preprocess): New.
21437 (c_parser_new): Merge into ...
21438 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21440 2006-01-04 Jeff Law <law@redhat.com>
21443 * tree-cfg.c (bsi_replace): Remove the original statement
21444 from the EH throw statement table.
21446 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21448 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21449 make the prototype extern "C" and add throw ().
21452 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21453 and pos non-negative and pos + len <= 32.
21454 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21455 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21456 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21459 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21460 as well as sizes not multiple of component size.
21463 * function.c (instantiate_expr): New function.
21464 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21465 walk its DECL_VALUE_EXPR with instantiate_expr.
21467 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21468 DW_OP_deref{,_size} if address isn't going to be added.
21470 2006-01-04 Ben Elliston <bje@au.ibm.com>
21472 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21473 * config/fp-bit.c: Likewise.
21475 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21477 * dominance.c: Add comment about why we use DFS numbering
21480 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21481 Richard Henderson <rth@redhat.com>
21483 Merge from gomp-branch:
21484 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21485 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21487 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21489 PR rtl-optimization/25578
21490 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21491 pass a parameter to simplify_shift_const if changing ASHIFTRT
21494 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21496 * builtins.c (get_builtin_sync_mem): New function.
21497 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21498 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21499 Call get_builtin_sync_mem to generate mem rtx.
21501 2006-01-03 Richard Guenther <rguenther@suse.de>
21504 * stmt.c (add_case_node): Make sure to clear overflow flags
21507 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21509 Merge from gomp-branch.
21510 * config/sparc/sync.md: New file.
21511 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21512 UNSPECV_LDSTUB): New constants.
21513 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21514 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21515 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21518 2006-01-03 Roger Sayle <roger@eyesopen.com>
21520 * combine.c (reg_subword_p): New predicate to test whether the
21521 destination of a set refers to a subword/piece of a register.
21522 (try_combine): Generalize the code to merge the setting of a
21523 pseudo to a constant followed by a set of a subword of that
21524 register to a constant.
21526 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21528 * basic-block.h (control_flow_graph): Change the type of
21529 x_label_to_block_map to VEC(basic_block,gc) *.
21530 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21531 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21533 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21534 VEC(basic_block,heap) *.
21535 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21536 ssa_prop_fini): Adjust the uses of cfg_blocks.
21538 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21540 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21542 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21543 hashing trees instead of a pointer hash.
21544 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21545 compare for MEM_EXPR.
21547 PR rtl-optimization/25130
21548 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21549 when comparing MEMs for GCSE
21551 2006-01-03 Ben Elliston <bje@au.ibm.com>
21553 * targhooks.h (default_decimal_float_supported_p): Declare.
21554 * targhooks.c (default_decimal_float_supported_p): Define.
21555 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21556 `default_decimal_float_supported_p'.
21557 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21559 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21561 * combine.c (apply_distributive_law <SUBREG>): Check
21562 TRULY_NOOP_TRUNCATION.
21564 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21566 * dwarf2out.c (have_switched_text_section): Delete.
21567 (have_multiple_function_sections): New.
21568 (have_location_lists): Make 'bool'.
21569 (add_AT_loc_list): Use 'true' not '1'.
21570 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21571 (output_loc_list): Use have_multiple_function_sections.
21572 (output_ranges): Likewise.
21573 (dwarf2out_begin_function): Set have_multiple_function_sections if
21575 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21576 Check function_section rather than DECL_SECTION_NAME.
21577 (dwarf2out_finish): Use have_multiple_function_sections.
21578 Don't clear have_location_lists.
21580 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21581 Jan Hubicka <jh@suse.cz>
21583 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21584 case of conditional jump jumping to the next instruction.
21585 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21586 cases of conditional jump jumping to the next instruction.
21588 2006-01-02 Jan Hubicka <jh@suse.cz>
21590 * i386.c (*_cost): Add COSTS_N_INSNS.
21591 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21593 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21596 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21598 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21600 * config/arm/arm.c (all_fpus): Fix comment typo.
21601 * config/darwin.c: Likewise.
21602 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21603 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21604 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21606 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21608 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21609 (rs6000_split_compare_and_swapqhi): New.
21610 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21611 (sync_compare_and_swapqhi_internal): New.
21612 * config/rs6000/rs6000-protos.h: Declare.