1 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3 * config/spu/spu.c (array_to_constant): Correct the order of arguments
4 to the calls of hwint_to_const_double.
6 2006-12-07 Nick Clifton <nickc@redhat.com>
8 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
9 elf_record_gcc_switches.
11 2006-12-07 Andrew Macleod <amacleod@redhat.com>
13 * expr.c (string_constant): Account for non-zero lower bound arrays.
15 2006-12-07 Richard Guenther <rguenther@suse.de>
17 * builtins.c (expand_builtin_pow): Adjust predicates for
18 pow to cbrt expansion to unsafe math and !HONOR_NANS for
21 2006-12-07 Jan Hubicka <jh@suse.cz>
23 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
26 2006-12-07 Jan Hubicka <jh@suse.cz>
28 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
29 use fold_constant_to_binary; tolerate wrong type constants.
30 (value_intersect_p): Do just two tests.
32 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
34 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
35 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
36 lshifthi3): Use it, and fix the order of alternatives.
38 2006-12-07 Nick Clifton <nickc@redhat.com>
40 * common.opt (record-gcc-switches): New command line switch.
41 * target.h (print_switch_type): New enum.
42 (print_switch_fn_type): New typedef for a function pointer.
43 (struct gcc_target): Add record_gcc_switches and
44 record_gcc_switches_section fields.
45 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
47 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
49 * toplev.c (print_single_switch): Simplify by providing a
50 pointer to function that will format and output the switch
52 (print_switch_values): Likewise.
53 (print_to_asm_out_file): New function.
54 (print_to_stderr): New function.
55 (init_asm_output): If flag_record_gcc_switches is set then if
56 the target supports recording the switches then emit them into
57 the assembler output file, otherwise tell the user that the
58 switch is not supported.
59 * varasm.c (eld_record_gcc_switches): New function. Example
60 handler for the record_gcc_switches target hook.
61 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
63 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
64 * doc/invoke.texi (-frecord-gcc-switches): Document.
66 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
69 * sched-rgn.c (add_block1): Use correct initializer.
71 2006-12-07 Richard Guenther <rguenther@suse.de>
73 * tree-vect-transform.c (vectorizable_call): Fix leftover of
74 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
76 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
79 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
80 not GIMPLE_MODIFY_STMT.
82 2006-12-06 Jan Hubicka <jh@suse.cz>
84 * tree-vrp.c (operand_less_p): New.
85 (compare_values, value_inside_range): Rewrite in terms of
88 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
90 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
92 (length_immediate): Do not depend on cld type attribute.
93 (length_address): Ditto.
96 (cld): Remove insn pattern.
97 (strmov_singleop): Do not use DIRFLAG_REG.
98 (*strmovdi_rex_1): Ditto.
100 (*strmovsi_rex_1): Ditto.
101 (*strmovhi_1): Ditto.
102 (*strmovhi_rex_1): Ditto.
103 (*strmovqi_1): Ditto.
104 (*strmovqi_rex_1): Ditto.
106 (*rep_movdi_rex64): Ditto.
108 (*rep_movsi_rex64): Ditto.
110 (*rep_movqi_rex64): Ditto.
111 (strset_singleop): Ditto.
112 (*strsetdi_rex_1): Ditto.
113 (*strsetsi_1): Ditto.
114 (*strsetsi_rex_1): Ditto.
115 (*strsethi_1): Ditto.
116 (*strsethi_rex_1): Ditto.
117 (*strsetqi_1): Ditto.
118 (*strsetqi_rex_1): Ditto.
120 (*rep_stosdi_rex64): Ditto.
121 (*rep_stossi): Ditto.
122 (*rep_stossi_rex64): Ditto.
123 (*rep_stosqi): Ditto.
124 (*rep_stosqi_rex64): Ditto.
125 (cmpstrnsi): Do not generate cld insn.
126 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
127 (*cmpstrnqi_nz_1): Ditto.
128 (*cmpstrnqi_nz_rex_1): Ditto.
129 (cmpstrnqi_1): Ditto.
130 (*cmpstrnqi_1): Ditto.
131 (*cmpstrnqi_rex_1): Ditto.
133 (*strlenqi_1): Ditto.
134 (*strlenqi_rex_1): Ditto.
136 * config/i386/geode.md (shift): Do not depend on cld type attribute.
137 * config/i386/pentium.md (pent_cld): Remove insn reservation.
138 * config/i386/athlon.md (athlon_decode): Do not depend on cld
140 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
141 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
143 (k6_alux_only_load): Ditto.
144 (k6_alux_only_store): Ditto.
146 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
147 Do not emit cld instruction.
148 (ix86_expand_setmem): Ditto.
149 (ix86_expand_strlen): Do not emit cld instruction.
151 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
153 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
156 2006-12-06 Diego Novillo <dnovillo@redhat.com>
158 * gdbinit.in: Set complaints to 0.
160 2006-12-06 Jan Hubicka <jh@suse.cz>
162 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
163 ALONE_MEM_STAT_DECL): New macros.
164 * bitmap.h: Include statistics.h
165 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
166 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
167 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
168 * bitmap.c: Include hashtab.h
169 (bitmap_descriptor): New.
170 (bitmap_hash): New static variable
171 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
172 New static functions.
173 (bitmap_register): New.
174 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
175 bitmap_obstack_release): Do accounting.
176 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
178 (bitmap_gc_alloc_stat): Likewise.
179 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
180 (print_statistics, dump_bitmap_statistics): New functions.
181 * toplev.c (finalize): Dump bitmap statistics.
183 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
185 * reload1.c (delete_output_reload): Count occurrences in
186 CALL_INSN_FUNCTION_USAGE.
187 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
188 crashing at the end of the list.
190 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
192 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
193 Optimize to avoid marking more SMT's as used when they aren't.
195 2006-12-05 Eric Christopher <echristo@apple.com>
197 * config/i386/i386.c (x86_output_aligned_bss): Move out
198 of COMMON_ASM_OP ifdef.
200 2006-12-05 Eric Christopher <echristo@apple.com>
202 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
203 (STARTFILE_SPEC): Use.
204 (DARWIN_DYLIB1_SPEC): New.
205 (DARWIN_CRT1_SPEC): New.
206 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
208 * config/i386/darwin.h: Ditto.
209 * config/rs6000/darwin.h: Ditto.
211 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
213 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
214 * tree-complex.c (pass_lower_complex): Ditto.
215 * tree-ssa-ccp.c (pass_ccp): Ditto.
216 (pass_store_ccp): Ditto.
217 * tree-ssa-dom.c (pass_dominator): Ditto.
218 (pass_phi_only_cprop): Ditto.
219 * tree-sra.c (pass_sra): Ditto.
220 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
221 * tree-flow.h (updating_used_alone): Remove.
222 (updating_used_alone): Ditto.
223 * tree-ssa-alias.c (updating_used_alone): Remove variable.
224 (lhs_may_store_to): Remove function.
225 (recalculate_used_alone): Ditto.
226 (compute_may_aliases): Remove used_alone calculation.
227 * tree.h (struct tree_memory_tag): Remove is_used_alone and
228 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
229 * tree-pass.h (PROP_smt_usage): Remove.
230 * passes.c (execute_todo): Remove used alone recalculation.
231 (execute_one_pass): Ditto.
232 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
235 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
237 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
239 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
241 PR tree-optimization/14784
242 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
244 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
246 Merge from gimple-tuples-branch.
248 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
250 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
252 (s390_gimplify_va_arg): Same.
253 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
254 * config/sh/sh.c (sh_va_start): Same.
255 (sh_gimplify_va_arg_expr): Same.
256 * config/xtensa/xtensa.c (xtensa_va_start): Same.
257 (xtensa_gimplify_va_arg_expr): Same.
258 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
259 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
260 * config/mips/mips.c (mips_va_start): Same.
261 (mips_gimplify_va_arg_expr): Same.
263 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
265 * Merge from mainline at revision 119445.
267 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
269 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
271 (spu_gimplify_va_arg_expr): Same.
273 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
275 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
276 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
277 (xstormy16_expand_builtin_va_arg): Same.
279 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
281 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
282 to GIMPLE_MODIFY_STMT.
284 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
286 * config/alpha/alpha.c (va_list_skip_additions): Change all
287 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
288 (alpha_va_start): Same.
289 (alpha_gimplify_va_arg_1): Same.
290 (alpha_gimplify_va_arg): Same.
292 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
294 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
296 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
298 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
299 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
301 * tree-complex.c: Same.
302 * tree-pretty-print.c: Same.
306 * fold-const.c: Same.
307 * tree-ssa-dom.c: Same.
308 * tree-ssa-propagate.c: Same.
309 * tree-ssa-alias.c: Same.
310 * gimple-low.c: Same.
312 * c-pretty-print.c: Same.
314 * tree-inline.c: Same.
315 * tree-outof-ssa.c: Same.
316 * tree-ssa-structalias.c: Same.
317 * tree-ssa-reassoc.c: Same.
320 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
322 * tree.c (build2_stat): Fix comment.
324 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
326 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
327 TREE_OPERAND when appropriate.
329 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
331 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
332 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
333 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
334 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
335 not handle GIMPLE_MODIFY_STMT in the switch statement.
336 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
337 (java_gimplify_new_array_init): Same.
339 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
341 * gimplify.c (gimplify_omp_for): Allow gimple statements.
342 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
343 * fold-const.c (fold_binary): Allow gimple statements.
345 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
346 Rename from gfc_conv_descriptor_data_set.
347 Call gfc_add_modify instead of gfc_add_modify_expr.
348 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
349 Rename from gfc_conv_descriptor_data_set.
350 (gfc_conv_descriptor_data_set): New macro.
351 (gfc_conv_descriptor_data_set_tuples): New macros.
352 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
353 gfc_conv_descriptor_data_set_tuples.
354 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
355 Generate GIMPLE_MODIFY_STMT when appropriate.
356 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
357 (gfc_add_modify_expr): New macro.
358 (gfc_add_modify_stmt): New macro.
359 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
361 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
363 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
364 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
367 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
369 * Merge from mainline at revision 118200.
371 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
373 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
376 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
378 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
380 Also, add __extension__ to GCC versions.
381 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
382 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
385 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
387 * tree-complex.c (expand_complex_libcall): Adjust for
389 (expand_complex_comparison): Same.
390 * tree-pretty-print.c (dump_generic_node): Is_expr should include
391 GIMPLE_STMT_P statements.
392 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
394 (tree_mod_pow2_value_transform): Same.
395 (tree_mod_subtract_transform): Same.
396 * tree.c (build2_stat): Check for gimplified function in cfun.
397 * tree.h (DECL_GIMPLIFIED): Delete.
398 (struct tree_function_decl): Remove gimplified_flag.
399 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
400 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
401 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
402 (cxx_omp_clause_copy_ctor): Same.
403 (cxx_omp_clause_assign_op): Same.
404 * c-pretty-print.c (pp_c_conditional_expression): Same.
405 (pp_c_expression): Same.
406 * langhooks.c (lhd_omp_predetermined_sharing): Same.
407 * function.h (struct function): Add gimplified field.
408 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
410 (find_phi_replacement_condition): Same.
411 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
412 (gimplify_modify_expr_to_memset): Same.
413 (gimplify_init_ctor_eval_range): Same.
414 (gimplify_modify_expr_complex_part): Same.
415 (tree_to_gimple_tuple): Same.
416 (gimplify_modify_expr): Same.
417 (gimple_push_cleanup): Same.
418 (gimplify_omp_for): Same.
419 (gimplify_omp_atomic_pipeline): Same.
420 (gimplify_omp_atomic_mutex): Same.
421 (gimplify_expr): Same.
422 (gimplify_one_sizepos): Same.
423 (gimplify_function_tree): Same.
424 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
425 (vect_recog_widen_sum_pattern): Same.
426 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
427 (vect_create_epilog_for_reduction): Same.
428 (vectorizable_reduction): Same.
430 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
432 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
433 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
434 (ifc_temp_var): Same.
435 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
436 for gimple statements.
437 (vect_analyze_operations): Same.
438 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
439 * gimplify.c (gimplify_return_expr): Handle gimple statements.
440 * lambda-code.c (can_put_in_inner_loop): Same.
441 (can_put_after_inner_loop): Same.
442 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
443 (vect_create_data_ref_ptr): Same.
444 (vect_init_vector): Same.
445 (vect_get_vec_def_for_operand): Same.
446 (vect_create_epilog_for_reduction): Same.
447 (vectorizable_reduction): Same.
448 (vectorizable_assignment): Same.
449 (vectorizable_operation): Same.
450 (vectorizable_load): Same.
451 (vectorizable_condition): Same.
452 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
453 (rs6000_gimplify_va_arg): Same.
455 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
457 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
459 (simplify_abs_using_ranges): Same.
460 * tree-complex.c (expand_complex_operations_1): Use
461 PROTECTED_TREE_OPERAND.
462 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
464 (get_val_for): Use GIMPLE_STMT_OPERAND.
465 * tree-tailcall.c (adjust_accumulator_values): Same.
466 (adjust_return_value): Same.
467 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
468 case. Remove special case for tcc_gimple_stmt.
469 * tree.h (CAN_HAVE_LOCATION_P): New.
470 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
472 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
473 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
474 * tree-nrv.c (execute_return_slot_opt): Same.
475 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
476 * tree-vn.c (set_value_handle): Same.
477 (get_value_handle): Same.
478 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
479 * tree-vectorizer.c (find_loop_location): Same.
480 * c-typeck.c (c_process_expr_stmt): Same.
481 (c_finish_stmt_expr): Same.
482 * gimplify.c (should_carry_locus_p): Same.
483 (tree_to_gimple_tuple): Delete definition and use of unecessary
484 variable save_tree_block.
485 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
486 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
487 (realify_fake_stores): Same.
488 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
490 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
491 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
492 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
493 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
494 (c_parser_statement_after_labels): Same.
495 (c_parser_paren_condition): Same.
496 (c_parser_for_statement): Same.
497 (c_parser_omp_for_loop): Same.
498 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
499 (linearize_expr_tree): Same.
500 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
501 * function.c (instantiate_expr): Same.
503 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
505 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
506 (set_expr_location): Same.
508 (set_expr_locus): Same.
509 (expr_filename): Same.
511 (tree_block): Use GIMPLE_STMT_BLOCK.
512 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
513 * tree.h (struct gimple_stmt): Remove prev and next.
514 (GIMPLE_STMT_OPERAND_CHECK): New.
515 (TREE_TO_GIMPLE_STMT): Delete.
516 (GIMPLE_STMT_TO_TREE): Delete.
517 (GIMPLE_STMT_OPERAND): Use union, not cast.
518 (GIMPLE_STMT_LOCUS): New.
519 (GIMPLE_STMT_BLOCK): New.
520 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
522 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
524 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
526 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
528 * tree-tailcall.c (adjust_return_value): Same.
529 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
530 (copy_node_stat): Change common.base to base.
531 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
532 Remove GIMPLE_STATEMENT_LIST case.
533 * tree.h (struct gimple_stmt): Make operands of type tree.
534 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
535 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
536 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
537 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
538 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
539 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
540 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
541 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
542 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
543 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
544 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
545 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
546 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
547 Change common.base to base.
548 (GIMPLE_STATEMENT_LIST*): Remove.
549 (union tree_node): Add base. Remove gimple_statement_list.
550 Remove pointer from gstmt.
551 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
552 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
553 * tree-vn.c (vn_compute): Change common.base to base.
554 * tree-eh.c (verify_eh_throw_stmt_node): Same.
555 * tree-flow-inline.h (var_ann): Same.
556 (function_ann): Same.
558 (mark_non_addressable): Same.
559 * gimplify.c (tree_to_gimple_tuple): Same.
560 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
561 * tree-dfa.c (create_var_ann): Change common.base to base.
562 (create_function_ann): Same.
563 (create_stmt_ann): Same.
564 (create_tree_ann): Same.
565 (collect_dfa_stats_r): Same.
566 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
567 * tree-ssa-dce.c (NECESSARY): Same.
568 * tree-ssa.c (delete_tree_ssa): Same.
569 * tree-optimize.c (execute_free_cfg_annotations): Same.
572 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
574 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
575 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
577 * tree.h (struct gimple_stmt): Add prev and next fields.
578 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
579 (GIMPLE_STATEMENT_LIST_HEAD): New.
580 (GIMPLE_STATEMENT_LIST_TAIL): New.
581 (struct gimple_statement_list): New.
582 (union tree_node): Add gimple_stmt_list and gstmt.
583 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
584 * tree.def: Add GIMPLE_STATEMENT_LIST.
586 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
588 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
589 * tree-vrp.c (build_assert_expr_for): Change uses of
590 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
591 (find_assert_locations): Same.
592 (remove_range_assertions): Same.
593 (stmt_interesting_for_vrp): Same.
594 (vrp_visit_assignment): Same.
595 (vrp_visit_stmt): Same.
596 (simplify_cond_using_ranges): Same.
597 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
599 * tree-ssa-loop-im.c (movement_possibility): Change uses of
600 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
602 (determine_invariantness_stmt): Same.
604 (gather_mem_refs_stmt): Same.
605 * tree-complex.c (init_dont_simulate_again): Same.
606 (complex_visit_stmt): Same.
607 (set_component_ssa_name): Same.
608 (expand_complex_move): Same.
609 (expand_complex_div_wide): Same.
610 (expand_complex_comparison): Same.
611 (expand_complex_operations_1): Same.
612 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
613 (chain_of_csts_start): Same.
614 (infer_loop_bounds_from_undefined): Same.
615 * tree-pretty-print.c (dump_generic_node): Same.
618 * tree-ssa-loop-manip.c (create_iv): Same.
619 * value-prof.c (tree_divmod_fixed_value): Same.
620 (tree_divmod_fixed_value_transform): Same.
621 (tree_mod_pow2): Same.
622 (tree_mod_pow2_value_transform): Same.
623 (tree_mod_subtract): Same.
624 (tree_mod_subtract_transform): Same.
625 (tree_divmod_values_to_profile): Same.
626 * tree-tailcall.c (process_assignment): Same.
627 (find_tail_calls): Same.
628 (adjust_accumulator_values): Same.
629 (adjust_return_value): Same.
630 (eliminate_tail_call): Same.
631 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
632 (make_node_stat): Same.
633 (copy_node_stat): Handle gimple tuples.
634 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
635 (tree_node_structure): Handle tcc_gimple_stmt.
636 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
638 (build2_gimple_stat): New.
639 (expr_location): New.
640 (set_expr_location): New.
641 (expr_has_location): New.
643 (set_expr_locus): New.
644 (expr_filename): New.
646 (walk_tree): Handle tcc_gimple_stmt.
648 (protected_tree_operand): New.
649 (protected_tree_type): New.
650 (tree_code_kind): Add gimple statements.
651 * tree.h (tree_code_class): Add tcc_gimple_stmt.
652 (IS_GIMPLE_STMT_CODE_CLASS): New.
653 (struct tree_base): New.
654 (struct tree_common): Shrink.
655 (struct gimple_stmt): New.
656 (struct gimple_expr): New.
657 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
658 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
659 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
660 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
661 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
662 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
663 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
664 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
665 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
666 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
667 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
668 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
669 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
670 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
671 Adjust for new `common' layout.
672 (struct tree_function_decl): Add gimplified_flag.
673 (DECL_GIMPLIFIED): NEW.
674 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
675 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
676 EXPR_HAS_LOCATION): Call corresponding function.
677 (GIMPLE_STMT_CHECK): New.
678 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
679 (TREE_BLOCK): Call tree_block.
680 (GIMPLE_STMT_P): New.
681 (GIMPLE_TUPLE_P): New.
682 (TREE_TO_GIMPLE_STMT): New.
683 (GIMPLE_STMT_TO_TREE): New.
684 (GIMPLE_STMT_OPERAND): New.
685 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
686 (PROTECTED_TREE_OPERAND): New.
687 (PROTECTED_TREE_TYPE): New.
688 (build2_gimple_stat): Protoize.
689 (build2_gimple): New.
690 (expr_location): Protoize.
691 (set_expr_location): Protoize.
692 (expr_has_location): Protoize.
693 (expr_locus): Protoize.
694 (set_expr_locus): Protoize.
695 (expr_filename): Protoize.
696 (expr_lineno): Protoize.
697 (tree_block): Protoize.
698 (protected_tree_operand): Protoize.
699 (protected_tree_type): Protoize.
700 (enum tree_node_kind): Add gimple_stmt_kind.
701 * c-decl.c (union lang_tree_node): Tuples do not have a
703 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
704 GIMPLE_MODIFY_STMT and adjust accordingly.
705 * tree-scalar-evolution.c (follow_ssa_edge): Same.
706 (interpret_condition_phi): Same.
707 (pointer_used_p): Same.
708 (analyze_scalar_evolution_1): Same.
709 (scev_const_prop): Same.
710 (interpret_rhs_modify_stmt): Rename from
711 interpret_rhs_modify_expr.
712 * builtins.c (std_expand_builtin_va_start): Change uses of
713 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
714 (std_gimplify_va_arg_expr): Same.
715 (expand_builtin_va_copy): Same.
716 (integer_valued_real_p): Same.
717 * fold-const.c (maybe_lvalue_p): Same.
719 (tree_expr_nonnegative_p): Same.
720 (tree_expr_nonzero_p): Same.
721 * omp-low.c (extract_omp_for_data): Same.
722 (lower_rec_input_clauses): Same.
723 (lower_reduction_clauses): Same.
724 (lower_copyprivate_clauses): Same.
725 (lower_send_clauses): Same.
726 (lower_send_shared_vars): Same.
727 (expand_parallel_call): Same.
728 (expand_omp_parallel): Same.
729 (expand_omp_for_generic): Same.
730 (expand_omp_for_static_nochunk): Same.
731 (expand_omp_for_static_chunk): Same.
732 (expand_omp_sections): Same.
733 (lower_omp_single_copy): Same.
734 (lower_omp_parallel): Same.
735 * tree-ssa-dse.c (memory_address_same): Same.
736 (dse_optimize_stmt): Same.
737 * ipa-reference.c (scan_for_static_refs): Same.
738 * tree-gimple.c (is_gimple_reg_rhs): Same.
739 (get_call_expr_in): Same.
740 (recalculate_side_effects): Same.
741 * cgraphunit.c (cgraph_create_edges): Same.
742 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
743 * tree-ssa-ccp.c (get_default_value): Same.
744 (likely_value): Same.
745 (visit_assignment): Same.
746 (ccp_visit_stmt): Same.
747 (get_maxval_strlen): Same.
748 (ccp_fold_builtin): Same.
749 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
750 (find_givs_in_stmt): Same.
751 (find_interesting_uses_op): Same.
752 (find_interesting_uses_stmt): Same.
753 (rewrite_use_nonlinear_expr): Same.
754 * ipa-pure-const.c (scan_function): Same.
755 * tree-stdarg.c (va_list_counter_bump): Same.
756 (check_all_va_list_escapes): Same.
757 (execute_optimize_stdarg): Same.
758 * tree-ssa-math-opts.c (compute_merit): Same.
759 (insert_reciprocals): Same.
760 (execute_cse_reciprocals): Same.
761 * tree-ssa-dom.c (initialize_hash_element): Same.
762 (simple_iv_increment_p): Same.
763 (record_equivalences_from_stmt): Same.
764 (optimize_stmt): Same.
765 (remove_stmt_or_phi): Same.
766 (get_rhs_or_phi_arg): Same.
767 (get_lhs_or_phi_result): Same.
768 (propagate_rhs_into_lhs): Same.
769 * tree-nrv.c (tree_nrv): Same.
770 (execute_return_slot_opt): Same.
771 * tree-ssa-propagate.c (get_rhs): Same.
773 (stmt_makes_single_load): Same.
774 (stmt_makes_single_store): Same.
775 (replace_vuses_in): Same.
776 (fold_predicate_in): Same.
777 (substitute_and_fold): Same.
778 * tree-ssa-alias.c (compute_call_clobbered): Same.
779 (recalculate_used_alone): Same.
780 (count_uses_and_derefs): Same.
781 (is_escape_site): Same.
782 (find_used_portions): Same.
783 * gimple-low.c (lower_stmt): Same.
784 (block_may_fallthru): Same.
785 (lower_return_expr): Same.
786 * tree-ssa-sink.c (is_hidden_global_store): Same.
787 (statement_sink_location): Same.
788 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
789 * expr.c (safe_from_p): Same.
790 (expand_expr_real): Same.
791 (expand_expr_real_1): Same.
792 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
793 * predict.c (expr_expected_value): Same.
794 (strip_builtin_expect): Same.
795 (apply_return_prediction): Same.
796 (tree_bb_level_predictions): Same.
797 (tree_estimate_probability): Same.
798 * tree-vn.c (vn_compute): Same.
799 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
800 (remove_stmt_from_eh_region_fn): Same.
801 (do_return_redirection): Same.
802 (honor_protect_cleanup_actions): Same.
803 (lower_try_finally_switch): Same.
804 (lower_eh_constructs_1): Same.
805 (tree_could_throw_p): Same.
806 (verify_eh_throw_stmt_node): Same.
807 * function.c (gimplify_parameters): Same.
808 * tree-vectorizer.c (vect_is_simple_use): Same.
809 (vect_is_simple_reduction): Same.
810 * ipa-type-escape.c (scan_for_refs): Same.
811 * tree-if-conv.c (tree_if_conversion): Same.
812 (tree_if_convert_stmt): Same.
813 (if_convertible_gimplify_modify_stmt_p): Rename from
814 if_convertible_modify_expr_p.
815 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
816 (ifc_temp_var): Same.
817 (replace_phi_with_cond_modify_stmt): Rename from
818 replace_phi_with_cond_modify_expr.
819 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
820 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
821 * tree-data-ref.c (find_data_references_in_loop): Adjust for
823 * tree-flow-inline.h (var_ann): Same.
824 (function_ann): Same.
826 (mark_non_addressable): Same.
827 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
828 * gimplify.c (tree_to_gimple_tuple): New.
829 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
830 (gimplify_return_expr): Same.
831 (gimplify_decl_expr): Same.
832 (gimplify_self_mod_expr): Same.
833 (gimplify_cond_expr): Same.
834 (gimplify_init_constructor): Same.
835 (gimplify_modify_expr): Same.
836 (gimplify_expr): Same.
837 (gimplify_function_tree): Same.
838 (force_gimple_operand): Same.
839 * tree-ssa-phiopt.c (conditional_replacement): Same.
840 (minmax_replacement): Same.
841 (abs_replacement): Same.
842 * tree-dfa.c (create_var_ann): Same.
843 (create_function_ann): Same.
844 (create_stmt_ann): Same.
845 (create_tree_ann): Same.
846 (collect_dfa_stats_r): Same.
847 * tree-ssa-pre.c (find_or_generate_expression): Same.
848 (create_expression_by_pieces): Same.
849 (try_look_through_load): Same.
850 (insert_fake_stores): Same.
851 (realify_fake_stores): Same.
852 (compute_avail): Same.
855 (poolify_modify_stmt): Rename from poolify_modify_stmt.
856 Adjust for GIMPLE_MODIFY_STMT.
857 (NECESSARY): Adjust for new `common' layout.
858 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
860 * tree-sra.c (sra_walk_modify_stmt): Rename from
861 sra_walk_modify_expr.
862 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
863 (generate_copy_inout): Same.
864 (generate_element_copy): Same.
865 (generate_element_zero): Same.
866 (scalarize_copy): Same.
867 * tree-mudflap.c (mf_decl_cache_locals): Same.
868 (mf_build_check_statement_for): Same.
869 (mf_xform_derefs): Same.
870 * ipa-prop.c (ipa_method_modify_stmt): Same.
871 * print-tree.c (print_node): Handle gimple tuples.
872 Add case for tcc_gimple_stmt.
873 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
875 (copy_prop_visit_assignment): Same.
876 (copy_prop_visit_stmt): Same.
877 (init_copy_prop): Same.
878 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
879 (forward_propagate_into_cond_1): Same.
880 (find_equivalent_equality_comparison): Same.
881 (tidy_after_forward_propagate_addr): Same.
882 (forward_propagate_addr_expr_1): Same.
883 (simplify_not_neg_expr): Same.
884 (simplify_switch_expr): Same.
885 * tree-ssa-dce.c (find_pdom): Same.
886 (mark_stmt_if_obviously_necessary): Same.
887 (NECESSARY): Adjust for new `common' layout.
889 * tree-vect-patterns.c (widened_name_p): Adjust for
891 (vect_recog_dot_prod_pattern): Same.
892 (vect_recog_widen_sum_pattern): Same.
893 (vect_pattern_recog_1): Same.
894 * tree-nested.c (init_tmp_var): Same.
895 (save_tmp_var): Same.
897 (convert_call_expr): Same.
898 (finalize_nesting_tree_1): Same.
899 * tree-ssa.c (verify_ssa): Same.
900 (delete_tree_ssa): Same.
901 * lambda-code.c (lbv_to_gcc_expression): Same.
902 (lle_to_gcc_expression): Same.
903 (lambda_loopnest_to_gcc_loopnest): Same.
904 (can_put_in_inner_loop): Same.
905 (can_convert_to_perfect_nest): Same.
906 (perfect_nestify): Same.
907 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
908 * tree-inline.c (copy_body_r): Same.
909 (setup_one_parameter): Same.
910 (initialize_inlined_parameters): Same.
911 (estimate_num_insns_1): Same.
912 (expand_call_inline): Same.
913 (gimple_expand_calls_inline): Same.
915 * tree-optimize.c (execute_free_cfg_annotations): Same.
916 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
917 (vect_align_data_ref): Same.
918 (vect_create_data_ref_ptr): Same.
919 (vect_init_vector): Same.
920 (vect_create_epilog_for_reduction): Same.
921 (vectorizable_reduction): Same.
922 (vectorizable_assignment): Same.
923 (vectorizable_operation): Same.
924 (vectorizable_store): Same.
925 (vectorizable_load): Same.
926 (vectorizable_live_operation): Same.
927 (vectorizable_condition): Same.
928 (vect_generate_tmps_on_preheader): Same.
929 (vect_create_cond_for_align_checks): Same.
930 * tree-object-size.c (collect_object_sizes_for): Same.
931 (check_for_plus_in_loops_1): Same.
932 (check_for_plus_in_loops): Same.
933 * tree-outof-ssa.c (insert_copy_on_edge): Same.
934 (replace_use_variable): Same.
935 (check_replaceable): Same.
936 (rewrite_trees): Same.
937 (identical_copies_p): Same.
938 (insert_backedge_copies): Same.
939 * tree-profile.c (tree_gen_edge_profiler): Same.
940 * tree-vect-generic.c (expand_vector_operations_1): Same.
941 * tree-ssa-structalias.c (update_alias_info): Same.
942 (find_func_aliases): Same.
943 * tree-cfg.c (factor_computed_gotos): Same.
945 (make_goto_expr_edges): Same.
946 (tree_merge_blocks): Same.
947 (remove_useless_stmts_cond): Same.
948 (remove_useless_stmts_1): Same.
949 (tree_find_edge_insert_loc): Same.
951 (gimplify_val): Same.
952 (verify_gimple_tuples_1): New.
953 (verify_gimple_tuples): New.
954 (verify_stmts): Call verify_gimple_tuples.
955 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
956 (get_unary_op): Same.
957 (linearize_expr): Same.
958 (get_single_immediate_use): Same.
959 (negate_value): Same.
960 (should_break_up_subtract): Same.
961 (break_up_subtract): Same.
962 (repropagate_negates): Same.
963 (break_up_subtract_bb): Same.
964 (reassociate_bb): Same.
965 * config/i386/i386.c (ix86_va_start): Same.
966 (ix86_gimplify_va_arg): Same.
967 * stmt.c (expand_expr_stmt): Same.
968 (warn_if_unused_value): Same.
969 (expand_return): Same.
970 * tree-ssanames.c (make_ssa_name): Same.
971 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
972 * tree-ssa-operands.c (finalize_ssa_defs): Same.
973 (add_virtual_operand): Same.
974 (get_expr_operands): Same.
975 (parse_ssa_operands): Same.
976 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
978 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
980 * config.host: Remove extra blank line.
982 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
984 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
985 target is also an x86 variant.
987 2006-12-05 Richard Guenther <rguenther@suse.de>
989 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
990 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
991 (ix86_builtin_vectorized_function): New function to vectorize
994 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
996 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
997 ia64_override_options.
999 2006-12-04 Jan Hubicka <jh@suse.cz>
1001 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1004 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1006 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1007 * config/bfin/bfin.c: Include "timevar.h".
1008 (bfin_flag_schedule_insns2, splitting_for_sched,
1009 bfin_flag_var_tracking): New variables.
1010 (print_operand): Handle '%!'.
1011 (override_options): Disable normal sched2 pass, instead set
1012 bfin_flag_schedule_insns2 for reorg to handle it.
1013 (output_file_start): Likewise for var-tracking.
1014 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1015 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1017 (bfin_reorg): Do second scheduling pass here, and call
1018 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1019 of examining insns directly. If bfin_flag_var_tracking, call
1020 var-tracking pass when done with everything else.
1021 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1022 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1023 (movsi_insn32): New pattern, with two new splits to create it
1024 before the final scheduling pass.
1025 (neghi2): Not a dsp32 insn, rather alu0.
1026 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1027 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1028 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1029 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1030 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1031 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1032 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1033 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1034 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1035 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1036 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1037 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1038 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1039 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1040 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1041 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1042 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1043 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1044 variants instead of ';'.
1045 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1046 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1047 (align8, align16, align24): Now named patterns; also using '%!'.
1050 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1052 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1053 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1055 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1057 * config/spu/spu-protos.c (spu_split_address): Add.
1058 * config/spu/spu.c (spu_split_address): Add.
1059 (print_operand): Handle HIGH.
1060 (spu_legitimate_address): Don't test for aligned CONST.
1061 (spu_expand_mov): Don't split addresses here.
1062 * config/spu/constraints.md (A): Don't test legitimate_const.
1063 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1064 (ceq_di): Use correct predicates.
1066 2006-12-04 Eric Christopher <echristo@apple.com>
1068 * config/darwin.h: Update copyright notice.
1069 * config/i386/darwin.h: Ditto.
1071 2006-12-04 Jan Hubicka <jh@suse.cz>
1073 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1074 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1076 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1078 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1080 * tree-ssa-structalias.c (set_used_smts): Export.
1081 (find_what_p_points_to): Don't call set_used_smts here.
1082 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1084 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1086 * tree-ssa-alias.c (compute_may_aliases):
1087 Compute flow sensitive before flow insensitive.
1088 (compute_flow_sensitive_aliasing): Don't try to add
1089 a symbol memory tag to itself.
1091 * alias.h (alias_set_subset_of): New prototype.
1093 * alias.c (alias_set_subset_of): New function.
1095 * tree-ssa-structalias.c: Update comments.
1096 (struct variable_info): Add finished_solution.
1097 (new_varinfo): Set finished solution to NULL.
1098 (var_escaped_vars): Remove.
1099 (escaped_vars_tree): Remove.
1100 (escaped_vars_id): Remove.
1101 (nonlocal_vars_id): Remove.
1102 (constraint_expr_type): Add INCLUDES.
1103 (graph_size): Removed.
1104 (dump_constraint): Support INCLUDES.
1105 (build_constraint_graph): Ditto.
1106 (collapse_nodes): Add merge_solutions argument.
1107 Don't merge attributes.
1108 (process_unification_queue): Just use collapse_nodes.
1109 (perform_var_substitution): Update call to collapse_nodes.
1110 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1111 (process_constraint): Fix non-field sensitive handling
1113 (get_constraint_for): Use INCLUDES.
1114 (make_constraint_from_anything): Renamed from
1115 make_constraint_from_escaped.
1116 (make_constraint_to_escaped): Removed.
1117 (find_global_initializers): Removed.
1118 (create_variable_info_for): Do not make constraints to escaped
1120 (dump_solution_for_var): Don't print out the equivalent points-to
1121 sets, just use the name of the variable it shares it with.
1122 (intra_create_variable_infos): Use INCLUDES.
1123 Change nonlocal variable sets to anything sets.
1124 (init_base_vars): Remove escaped_vars and nonlocal_var
1126 (find_escape_constraints): Removed.
1127 (delete_points_to_sets): Remove dead code.
1128 (used_smt_calculated): New variable.
1129 (set_used_smts): New function.
1130 (merge_smts_into): New function.
1131 (find_what_p_points_to): Modify to use SMTs.
1132 (create_nonlocal_var): Remove.
1134 * tree-ssa-operands.c (access_can_touch_variable): Remove
1135 reference to nonlocal_all.
1137 * tree-ssa.c (verify_name_tags): Remove.
1139 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1141 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1142 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1144 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1146 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1147 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1148 (add_livein_if_notdef): Delete.
1149 (loe_visit_block): New. Propogate live on entry info for a block into
1150 each predecessor. If it changes, make sure it is visited again.
1151 (live_worklist): Visit every block and update the live on entry info
1152 for preds. Iterate over any that changed.
1153 (set_var_live_on_entry): Populate the live on entry blocks with bits
1154 based on the immediate uses of a var.
1155 (calculate_live_on_entry): Remove.
1156 (calculate_live_on_exit): Calculate live on exit based on the newly
1157 oriented live on entry bits.
1158 (calculate_live_ranges): Build live on entry and exit vectors.
1159 (dump_live_info): Use new orientation of live on entry bitmaps.
1160 (verify_live_on_entry): New. Split out verification code from old
1161 calculate_live_on_entry routine.
1162 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1163 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1164 basic_block instead of for a partition.
1165 (live_merge_and_clear): Add asserts.
1166 (make_live_on_entry): Set partition bit in basic block vector.
1168 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1171 * omp-low.c (expand_omp_for_static_nochunk,
1172 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1176 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1177 parallels if region->exit or region->inner->exit is NULL.
1178 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1180 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1181 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1182 or region->exit is NULL.
1183 (expand_omp_sections): Handle NULL region->cond or region->exit.
1186 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1188 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1189 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1191 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1193 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1194 TYPE_MAX_VALUE for scalar types here but...
1195 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1196 is attached an error mark, and the return value of the callback
1197 if it is not NULL_TREE.
1199 2006-12-04 Ben Elliston <bje@au.ibm.com>
1201 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1203 2006-12-03 Eric Christopher <echristo@apple.com>
1206 * config/t-slibgcc-darwin: Pass -install_name.
1207 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1208 libtool. Only pass through options that the linker recognizes.
1209 (LINK_SPEC): Update comment. Translate options.
1210 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1211 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1213 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1215 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1217 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1220 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1221 operands[1] in insn constraint. Correct type attribute to sselog1.
1223 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1226 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1228 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1229 processor detection.
1231 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1232 -march=native if there is no -mtune=*.
1234 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1237 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1239 * doc/install.texi: Update recommended MPFR version. Remove
1240 obsolete reference to cumulative patch.
1242 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1245 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1247 2006-11-30 Jan Hubicka <jh@suse.cz>
1248 Uros Bizjak <ubizjak@gmail.com>
1250 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1251 32bit memcpy/memset decriptors.
1252 (decide_alg): With -minline-all-stringops and sizes that are best
1253 to be copied via libcall still work hard enough to pick non-libcall
1256 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1258 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1260 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1261 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1262 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1263 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1264 config/spu/spu-c.c, config/spu/spu-modes.def,
1265 config/spu/spu.c, config/spu/spu.md,
1266 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1267 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1268 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1269 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1270 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1271 spelling conventions.
1273 * config/i386/i386.c: Fix a comment typo.
1275 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1277 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1278 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1279 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1280 better optimization.
1281 (floatv4siv4sf2): New.
1282 (fix_truncv4sfv4si2): New.
1283 (floatunsv4siv4sf2): New.
1284 (fixuns_truncv4sfv4si2): New.
1292 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1293 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1294 spu_resolve_overloaded_builtin instead of static inline functions.
1296 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1298 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1299 type instead of the size of its mode to compute the highest and
1300 lowest possible values. Still check the size of the mode before
1301 flipping the signedness of the comparison.
1303 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1305 * config/spu/predicates.md (spu_mov_operand): Add.
1306 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1307 (print_operand_address, print_operand): Handle addresses containing AND.
1308 (spu_split_load, spu_split_store): Use updated movti pattern.
1309 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1310 stores in mov patterns for correct operation of reload.
1311 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1313 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1316 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1318 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1320 * common.opt (ftree-combine-temps): Remove.
1321 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1322 (coalesce_ssa_name): Don't check for combine-temps.
1323 (coalesce_vars): Remove.
1324 (check_replaceable): Use num_imm_uses.
1325 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1326 check for combine-temps.
1327 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1328 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1329 to register_ssa_partition calls.
1330 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1331 (init_var_map, delete_var_map): remove refernces to ref_count.
1332 (create_ssa_var_map): Never calculate a ref count.
1333 (type_var_init): Remove.
1334 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1335 (SSA_VAR_MAP_REF_COUNT): Delete.
1336 (create_ssa_var_map): Change Prototype to have no parameters.
1337 (version_ref_count): Delete.
1338 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1340 (type_var_num, type_var, type_var_first_partition,
1341 type_var_next_partition, type_var_dump, type_var_delete,
1342 type_var_remove_partition, type_var_find, type_var_compact,
1343 type_var_decompact): Remove.
1345 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1347 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1350 2006-12-01 Richard Guenther <rguenther@suse.de>
1353 * dwarf2out.c (struct pubname_struct): Make name const.
1354 (add_pubtype): Do not xstrdup identifiers.
1356 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1358 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1359 multiword accesses are in range.
1361 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1363 PR tree-optimization/29921
1364 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1365 (set_lattice_value): Use canonicalize_float_value.
1367 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1369 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1370 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1371 (spu_cpu_cpp_builtins): Remove.
1372 (spu_override_options): Don't set warn_main.
1373 (spu_force_reg): Move from spu-c.c.
1374 (spu_check_builtin_parm): Likewise.
1375 (expand_builtin_args): Likewise.
1376 (spu_expand_builtin_1): Likewise.
1377 (spu_expand_builtin): Likewise.
1378 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1379 warn_main and targetm.resolve_overloaded_builtin.
1380 * config/spu/spu-c.c (spu_builtin_range): Remove.
1381 (spu_check_builtin_parm): Remove.
1382 (expand_builtin_args): Remove.
1383 (spu_expand_builtin_1): Remove.
1384 (spu_expand_builtin): Remove.
1385 (spu_cpu_cpp_builtins): Moved from spu.c
1386 (spu_force_reg): Remove.
1388 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1389 David Edelsohn <edelsohn@gnu.org>
1392 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1393 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1394 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1395 HARD_REGNO_NREGS_WITH_PADDING): Define.
1396 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1397 HARD_REGNO_NREGS_WITH_PADDING): Define.
1398 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1399 Use new macros to detect modes with holes; do not look at integer
1401 (subreg_offset_representable_p): Check for and disallow cases
1402 where the modes use different numbers of bits from registers.
1403 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1404 constant for soft-float.
1405 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1407 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1408 in E500 double case.
1409 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1410 (movtf_softfloat): New.
1412 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1414 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1415 simplify_gen_subreg.
1417 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1419 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1420 (COALESCE_HASH_FN): New. Define hash function.
1421 (partition_pair_map_hash): New. Hash value for a partition pair.
1422 (partition_pair_map_eq): New. Equality for hash pairs.
1423 (create_coalesce_list): Create hash table.
1424 (delete_coalesce_list): Free hash table.
1425 (find_partition_pair): Find/create pairs in hash table.
1426 (compare_pairs): Sort pairs in ascending order now.
1427 (num_coalesce_pairs): New. Number of pairs in hash table.
1428 (struct partition_pair_iterator): Iterator struct for pair table.
1429 (first_partition_pair): Iterator function for first pair.
1430 (end_partition_pair_p): Iterator function for end of iteration.
1431 (next_partition_pair): Iterator function for next pair.
1432 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1433 (sort_coalesce_list): Sort pairs from hash table into an array.
1434 (pop_best_coalesce): Take pairs from the array.
1435 (dump_coalesce_list): Update to use hash table or sorted array.
1436 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1437 (struct coalesce_list_d): Add hash table related fields.
1439 2006-11-30 Jan Hubicka <jh@suse.cz>
1442 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1443 memmove/bcopy->memcpy conversion.
1445 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1447 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1448 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1449 Default is the largest alignment supported for 32-bit ELF and
1450 representable on a 32-bit host.
1452 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1454 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1456 2006-11-30 Jan Hubicka <jh@suse.cz>
1458 * tree-ssa-operands.h (struct ssa_operands): New.
1459 * tree-flow-inline.h (gimple_ssa_operands): New function.
1460 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1461 * Makefile.in: Remove gt-tree-ssa-operands.h
1462 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1463 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1464 operand_memory, operand_memory_index, ops_active): Remove statics.
1465 (ALLOC_OPTYPE): Update.
1466 (operand_build_sort_virtual): Update.
1467 (ssa_operands_active): Update.
1468 (init_ssa_operands): Update.
1469 (fini_ssa_operands): Update.
1470 (ssa_operand_alloc): Update.
1471 (INITIALIZE_USE): Update.
1472 (finalize_ssa_use_ops): Update.
1473 (finalize_ssa_v_may_def_ops): Update.
1474 (finalize_ssa_vuse_ops): Update.
1475 (finalize_ssa_v_must_def_ops): Update.
1477 2006-11-30 Richard Guenther <rguenther@suse.de>
1479 * tree-vectorizer.h (vectorizable_function): Export.
1480 * tree-vect-transform.c (vectorizable_function): Likewise.
1481 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1482 type_in to scalar type in recognition of squaring.
1483 Make sure the target can vectorize sqrt in recognition
1484 of sqrt, set type_in to vector type in this case.
1486 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1488 * config/i386/i386.md (R10_REG): New constant.
1489 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1490 (ix86_emit_restore_regs_using_mov): Ditto.
1491 (ix86_expand_call): Ditto.
1492 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1494 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1496 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1497 * alias.c (canon_true_dependence): Update comment.
1499 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1501 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1502 at the end of a diagnostics message.
1504 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1505 until after asserting that it was allocated in the right pool.
1507 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1508 successor edge information as well. Make output of live regs
1509 on exit consistent with live regs on entry.
1511 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1514 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1515 insn patterns for TARGET_80387.
1516 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1517 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1518 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1519 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1520 Generate truncxf<mode>2 insn patterns for strict SSE math.
1522 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1524 * config/i386/i386.md (movsf_1): Enable pattern for standard
1525 80387 constants before reload when optimizing for size.
1526 (*movdf_nointeger, *movdf_integer): Ditto.
1527 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1528 80387 constants before reload when not optimizing for size.
1530 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1531 extension of XFmode input operands.
1533 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1535 * config/spu/crt0.c (__dso_handle): Define.
1537 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1539 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1540 when clearing the used flags.
1542 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1544 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1546 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1549 * config/spu/spu.md (extend_compare<mode>): New pattern.
1550 (extend_compare): Change to expand and use the above pattern.
1552 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1554 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1556 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1557 (DFP_INIT_ROUNDMODE): Define.
1558 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1559 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1561 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1563 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1564 Update documentation.
1565 (associate_line_notes_with_blocks): Kill.
1566 (extend_bb): Remove basic block argument, put void instead.
1567 Remove line number handling for each bb.
1568 (save_line_notes): Kill.
1569 (restore_line_notes): Kill.
1570 (sched_init): Remove line_note_head initialization.
1571 Change extend_bb call.
1572 (sched_finish): Remove free of line_note_head.
1573 (add_block): Change extend_bb call.
1574 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1575 rm_line_notes and restore_line_notes calls.
1576 (schedule_ebbs): Remove rm_redundant_line_notes.
1577 * sched-int.h (struct haifa_insn_data): Remove line_note.
1578 (save_line_notes): Remove declaration.
1579 (restore_line_notes): Remove declaration.
1580 * modulo-sched.c (loop_canon_p): Update debug info printing
1581 by using insn locators instead of line note.
1582 (sms_schedule): Update debug info printing, by using insn
1583 locators instead of line note.
1584 * sched-rgn.c (debug_dependencies): Remove handling of case
1585 n>0 (line number), since it's a dead code.
1586 (schedule_region): Remove save_line_notes and
1587 restore_line_notes calls.
1589 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1591 * config/rs6000/predicates.md (gpc_reg_operand): Check
1592 invalid_e500_subreg.
1593 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1594 SImode subregs of SPE vectors.
1595 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1596 * jump.c (true_regnum): Require subregs to satisfy
1597 subreg_offset_representable_p.
1599 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1600 Steven Bosscher <stevenb.gcc@gmail.com>
1602 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1603 since it no longer exists.
1605 2006-11-29 Duncan Sands <baldrick@free.fr>
1607 PR tree-optimization/23744
1608 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1610 2006-11-29 Duncan Sands <baldrick@free.fr>
1612 PR tree-optimization/23744
1613 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1615 2006-11-29 Duncan Sands <baldrick@free.fr>
1617 PR tree-optimization/23744
1618 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1620 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1622 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1624 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1626 * sh.opt (minline-ic_invalidate): New option.
1627 (musermode): Adjust comment.
1628 * sh.c (sh_initialize_trampoline): Emit library call unless
1629 is set; if it is set, don't emit library call if we can use icbi
1631 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1632 icbi for TARGET_SH4_300.
1633 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1634 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1635 -musermode documentation.
1637 2006-11-29 Jim Tison <jtison@us.ibm.com>
1639 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1640 __gthread_recursive_mutex_init): Define.
1642 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1644 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1645 STRICT_ALIGNMENT and the type is more aligned than the saved
1646 registers, copy via a temporary.
1648 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1651 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1654 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1656 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1658 2006-11-28 Jan Hubicka <jh@suse.cz>
1660 Privatize SSA variables into gimple_df.
1661 * tree-flow-inline.h
1662 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1663 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1664 gimple_nonlocal_all): New accessors.
1665 (first_referenced_var): Update.
1666 (mark_stmt_modified): Update.
1667 (is_call_clobbered): Update.
1668 (mark_call_clobbered): Update.
1669 (clear_call_clobbered): Update.
1670 (mark_non_addressable): Update.
1671 * tree-vrp.c (get_value_range): Update.
1672 * tree-into-ssa.c (in_ssa_p): Kill.
1673 (get_default_def_for): Update.
1674 (rewrite_into_ssa): Update.
1675 * tree-complex.c (init_parameter_lattice_values): Update.
1676 (update_complex_assignment): Update.
1677 (update_parameter_components): Update.
1678 (expand_complex_libcall): Update.
1679 (expand_complex_operations_1): Update.
1680 * tree-tailcall.c (arg_needs_copy_p): Update.
1681 (add_virtual_phis): Update.
1682 (tree_optimize_tail_calls_1): Update.
1683 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1684 * tree-ssa-copyrename.c
1685 (copy_rename_partition_coalesce): Update.
1686 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1687 * tree-ssa-propagate.c (set_rhs): Update.
1688 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1689 addressable_vars, global_var):Kill.
1690 (set_initial_properties): Update.
1691 (init_alias_info): Update.
1692 (finalize_ref_all_pointers): Update.
1693 (setup_pointers_and_addressables): Update.
1694 (maybe_create_global_var): Update.
1695 (create_global_var): Update.
1696 (dump_points_to_info): Update.
1697 * function.h (struct gimple_df): Forward declare.
1698 (struct function): Add GIMPLE_DF field.
1699 * gimplify.c (force_gimple_operand): Update.
1700 * tree-dfa.c (referenced_vars, default_defs): KIll.
1701 (make_rename_temp): Update.
1702 (dump_variable): Update.
1703 (referenced_var_lookup): Update.
1704 (referenced_var_check_and_insert): Update.
1705 (default_def): Rename to ...
1706 (gimple_default_def): ... this one; accept cfun argument.
1707 (set_default_def): Update.
1708 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1709 (cleanup_control_flow): Update.
1710 * tree-ssa-pre.c (compute_avail): Update
1711 * tree-ssa-live.c (calculate_live_on_entry): Update.
1712 * tree-ssa.c (verify_use): Update.
1713 (verify_call_clobbering): Update.
1714 (verify_call_clobbering): Update.
1715 (init_tree_ssa): Update.
1716 (delete_tree_ssa): Update.
1717 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1718 (rewrite_out_of_ssa): Update.
1719 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1720 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1722 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1723 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1724 addressable_vars, aliases_computed_p): Kill.
1725 (default_def): Rename to...
1726 (gimple_default_def): ... this one.
1727 (defaule_def_fn): Kill.
1728 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1729 * tree-ssa-structalias.c (nonlocal_all): Kill.
1730 (get_constraint_exp_from_ssa_var): Update.
1731 (create_nonlocal_var): Update.
1732 (get_constraint_for): Update.
1733 (update_alias_info): Update.
1734 (find_global_initializers): Update.
1735 (intra_create_variable_infos): Update.
1736 (intra_create_variable_infos):
1737 (find_what_p_points_to): Update.
1738 (init_alias_heapvars): Update.
1739 * tree-cfg.c (remove_bb): Update.
1740 (gimplify_val): Update.
1741 * tree-ssa-reassoc.c (get_rank): Update.
1742 (init_reassoc): Update.
1743 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1744 (ssa_names, free_ssanames): Kill.
1745 (init_ssanames): Update.
1746 (make_ssa_name): Update.
1747 (release_ssa_name): Update.
1748 (release_defs): Update.
1749 (replace_ssa_name_symbol): Update.
1750 * tree-ssa-operands.c (access_can_touch_variable): Update.
1751 (add_virtual_operand): Update.
1752 (add_call_clobber_ops): Update.
1753 (add_call_read_ops): Update.
1754 (get_call_expr_operands): Update.
1755 (get_asm_expr_operands): Update.
1757 2006-11-28 Jan Hubicka <jh@suse.cz>
1759 * builtins.c: Include tree-flow.h.
1760 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1761 assignment; convert memmove to memcpy for sizes greater than 1 where
1762 alignment of operands prohibit the partial overlap.
1764 2006-11-28 Jan Hubicka <jh@suse.cz>
1766 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1767 * cgraph.c (dump_cgraph_node): Dump stack usage.
1768 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1769 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1770 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1771 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1772 (cgraph_check_inline_limits): Limit stack growth.
1773 * cfgexpand.c: Include tree-inline.h.
1774 (account_stack_vars): New function.
1775 (expand_one_var): New param to just account the stack; return estimated
1777 (expand_used_vars_for_block): Update call of expand_one_var.
1778 (account_used_vars_for_block): New function.
1779 (estimated_stack_frame_size): Likewise.
1780 (init_vars_expansion, fini_vars_expansion): Break out from..
1781 (expand_used_vars): ... here.
1782 * tree-inline.h (estimated_stack_frame_size): Declare.
1783 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1785 2006-11-28 Richard Guenther <rguenther@suse.de>
1787 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1788 unsigned long for printing OBJECT_SIZE.
1790 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1792 * alias.c (init_alias_analysis): Remove simplification loop
1793 after propagating pointers.
1795 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1797 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1800 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1802 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1804 2006-11-27 Roger Sayle <roger@eyesopen.com>
1805 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1807 * c-common.c (constant_fits_type_p): Delete.
1808 (unsigned_conversion_warning): Delete.
1809 (conversion_warning): Integrate Wconversion warning from
1810 unsigned_conversion_warning.
1811 (convert_and_check): Integrate Woverflow warning from
1812 unsigned_conversion_warning. Reorganize and simplify to avoid
1813 dependence upon the middle-end setting TREE_OVERFLOW on integral
1814 conversions, by using int_fits_type_p directly.
1816 2006-11-27 Tobias Burnus <burnus@net-b.de>
1818 * doc/invoke.texi: Fixed typo.
1820 2006-11-27 Michael Matz <matz@suse.de>
1821 Andreas Krebbel <krebbel1@de.ibm.com>
1824 * config/s390/predicates.md (larl_operand): Check addend of larl
1825 operand to be in range of -/+2GB.
1826 * config/s390/s390.c (legitimize_pic_address): Likewise.
1827 Changed type of variable even to HOST_WIDE_INT.
1829 2006-11-27 Jan Hubicka <jh@suse.cz>
1831 * expr.c (emit_block_move_via_libcall): Export.
1832 (clear_storage_via_libcall): Rename to ...
1833 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1834 (clear_storage): Update to set_storage_via_libcall.
1835 * expr.h (emit_block_move_via_libcall): Declare
1836 * config/i386/i386.h (stringop_alg): New enum.
1837 (MAX_STRINGOP_ALGS): New constant.
1838 (stringop_algs): New struct.
1839 (processor_costs): Add memcpy/memset descriptors.
1840 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1841 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1842 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1844 * config/i386/i386.opt (minline-stringops-dynamically,
1845 mstringop-strategy): New
1847 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1848 (ix86_expand-clrmem): Rename to ...
1849 (ix86_expand_setmem): ... this one; update prototype.
1850 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1851 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1852 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1853 nocona_cost, core2_cost, generic_cost, generic64_cost,
1854 generic32_cost): Add memcpy/memset descriptors.
1855 (x86_rep_movl_optimal): Remove.
1856 (stringop_alg): New static variable.
1857 (ix86_expand_aligntest): Handle predictions.
1858 (override_options): Add strgop_alg handling.
1859 (predict_jump): New function.
1860 (scale_counter): New function.
1861 (expand_set_or_movmem_via_loop): New function.
1862 (expand_movmem_via_rep_mov): New function.
1863 (expand_setmem_via_rep_stots): New function.
1864 (emit_strmov): New function.
1865 (expand_movmem_epilogue): New function.
1866 (expand_setmem_epilogue_via_loop): New function.
1867 (expand_setmem_epilogue): New function.
1868 (expand_movmem_prologue): New function.
1869 (expand_setmem_prologue): New function.
1870 (decide_alg): New function.
1871 (decide_alignment): New function.
1872 (ix86_exand_movmem): Rewrite.
1873 (promote_duplicated_reg): New function.
1874 (ix86_expand_clrmem): Rename to ...
1875 (ix86_expand_setmem): ... this one. Rewrite.
1877 * invoke.texi (minline-stringops-dynamically): New command line option.
1878 (mstringop-strategy): Likewise.
1880 2006-11-27 Jan Hubicka <jh@suse.cz>
1882 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1883 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1884 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1885 * insn-notes.def (FUNCTION_END): Remove.
1886 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1887 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1889 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1890 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1891 * cfglayout.c (duplicate_insn_chain): Don't worry about
1894 2006-11-27 Richard Guenther <rguenther@suse.de>
1895 Zdenek Dvorak <dvorakz@suse.cz>
1897 * target.h (struct gcc_target): Add builtin_vectorized_function
1899 * target-def.h (TARGET_VECTORIZE): Likewise.
1900 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1901 Document new target hook.
1902 * targhooks.h (default_builtin_vectorized_function): Declare.
1903 * targhooks.c (default_builtin_vectorized_function): Define.
1904 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1905 (vectorizable_call): Declare.
1906 * tree-vect-analyze.c (vect_analyze_operations): Call
1908 * tree-vect-transform.c (vectorizable_function): New static function.
1909 (build_vectorized_function_call): Likewise.
1910 (vectorizable_call): New function.
1911 (vect_transform_stmt): Handle vectorizable calls.
1913 2006-11-27 Richard Guenther <rguenther@suse.de>
1916 * builtins.c (expand_builtin_pow): Optimize non integer valued
1917 constant exponents using sqrt or cbrt if possible. Always fall back
1918 to expanding via optabs.
1920 2006-11-27 Ira Rosen <irar@il.ibm.com>
1922 PR tree-optimization/22372
1923 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1924 the type of the base address.
1925 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1926 it in the data-ref pointer creation.
1927 (vect_init_vector): Add an argument, type of the init vector. Use it in
1929 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1930 (get_initial_def_for_reduction): Likewise.
1931 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1933 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1934 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1935 correct type in stmt creation.
1936 (vect_setup_realignment): Use the correct type in stmt creation.
1937 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1939 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1940 of MODIFY_EXPR to void_type_node.
1941 (vectorizable_condition): Change type of MODIFY_EXPR to
1943 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1946 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1949 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1950 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1951 standard 80387 constants, raise the cost to prevent
1952 compress_float_constant() to generate load from memory.
1954 * config/i386/i386.md: Add new splitter pattern to split
1955 float_extended load of constant from constant pool into
1958 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1960 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1961 section to general section. Remove documentation for
1962 --with-mpfr-dir and --with-gmp-dir, add documentation for
1963 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1966 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1968 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1970 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1972 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1974 PR tree-optimization/29122
1975 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1976 for the new version. Assign NULL to DECL_RTL of the new version.
1978 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1980 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1982 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1984 * cse.c (cse_altered): Remove.
1985 (record_jump_equiv): Make true/false argument a bool instead
1987 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1988 where appropriate. Emit a new jump before the existing one
1989 instead of after so that delete_insn_and_edges removes the
1990 dead edges properly. Check any_condjump_p before calling
1992 (cse_basic_block): Check any_condjump_p before calling
1994 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1996 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1998 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1999 -ffixed-line-length-* options.
2001 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2003 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2004 (fprem1xf4): Rename to fprem1xf4_i387.
2006 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2007 Rename patterns to fmod<mode>3. Use general_operand operand
2008 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2009 patterns for SSE math.
2010 (remaindersf3, remainderdf3): Ditto.
2012 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2014 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2015 inside start_sequence / end_sequence pair.
2017 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2019 * jump.c (mark_all_labels): Work in cfglayout mode.
2020 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2021 when in cfglayout mode, because there are no dead jumptables
2023 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2025 (commit_edge_insertions): Do not allow insertion of instructions
2026 with control flow insns when in cfglayout mode.
2028 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2030 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2032 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2033 unswitch_loop): Ditto.
2034 * tree-loop-linear.c (linear_transform_loops): Ditto.
2035 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2036 tree_ssa_lim): Ditto.
2037 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2038 free_numbers_of_iterations_estimates): Ditto.
2039 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2040 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2041 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2042 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2043 place_new_loop, duplicate_loop, duplicate_subloops,
2044 update_single_exit_for_duplicated_loops, copy_loops_to,
2045 duplicate_loop_to_header_edge, create_preheaders,
2046 force_single_succ_latches, loop_version, fix_loop_structure):
2048 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2049 tree_unroll_loop): Ditto.
2050 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2051 * tree-scalar-evolution.c (select_loops_exit_conditions,
2052 scev_initialize, scev_analysis): Ditto.
2053 * tree-scalar-evolution.h (scev_initialize): Ditto.
2054 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2055 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2056 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2057 * modulo-sched.c (sms_schedule): Ditto.
2058 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2059 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2060 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2061 * ifcvt.c (if_convert): Ditto.
2062 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2063 canonicalize_loop_induction_variables,
2064 canonicalize_induction_variables,
2065 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2066 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2067 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2068 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2069 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2070 tree_ssa_loop_done): Ditto.
2071 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2072 estimate_bb_frequencies): Ditto.
2073 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2074 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2075 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2076 decide_unrolling_and_peeling, peel_loop_completely,
2077 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2078 peel_loop_simple, unroll_loop_stupid): Ditto.
2079 * loop-doloop.c (doloop_optimize_loops): Ditto.
2080 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2081 * loop-invariant.c (move_loop_invariants): Ditto.
2082 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2083 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2084 tree_ssa_prefetch_arrays): Ditto.
2085 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2087 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2088 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2089 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2090 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2091 verify_loop_structure): Ditto.
2092 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2093 canonicalize_induction_variables, tree_unroll_loops_completely,
2094 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2095 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2096 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2097 tree_unroll_loop, linear_transform_loops): Declaration changed.
2098 * basic-block.h: Remove declaration of struct loops.
2099 * cfghooks.h (struct cfg_hooks): Change type of
2100 cfg_hook_duplicate_loop_to_header_edge.
2101 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2102 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2103 vect_transform_loop): Declaration changed.
2104 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2105 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2106 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2107 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2108 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2109 loopify, loop_version, remove_path, unswitch_loops,
2110 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2111 Declaration changed.
2113 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2115 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2116 (X87MODEF): New mode macro.
2117 (ssemodefsuffix): New mode attribute.
2118 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2119 (sqrt_extend<mode>xf2_i387): New insn pattern.
2120 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2121 insn and truncate result back to original mode using
2122 UNSPEC_TRUNC_NOOP truncation.
2123 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2124 ssemodefsuffix mode attribute.
2125 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2126 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2127 (*sqrtextenddfxf2_i387): Remove insn patterns.
2129 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2130 truncation patterns.
2132 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2134 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2137 * c-tree.h (c_maybe_initialize_eh): New prototype.
2138 * c-decl.c (finish_decl): Move EH initialization...
2139 (c_maybe_initialize_eh): ... here. New function.
2140 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2141 if not #pragma omp atomic.
2144 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2145 or UNION_TYPE inner types.
2147 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2150 * ipa-pure-const.c (check_tree): If the original tree
2151 is volatile return early and say the function is not pure
2152 nor const. Remove the volatile check for writes.
2153 (analyze_function): Print out the result of the local
2156 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2158 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2160 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2161 * config/rs6000/rs6000.c (rs6000_override_options): Use
2162 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2165 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2167 * config/s390.c (s390_emit_compare_and_swap): New function.
2168 (s390_expand_cs_hqi, s390_expand_atomic): Call
2169 s390_emit_compare_and_swap.
2171 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2173 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2175 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2179 * c-common.c (conversion_warning): New.
2180 (convert_and_check): Call conversion_warning unless there is an
2182 * doc/invoke.texi (-Wconversion): Update description.
2184 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2186 * tree-ssa-alias.c (tree_pointer_compare): New function.
2187 (compact_name_tags): New function.
2188 (group_aliases): Call compact_name_tags.
2190 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2192 * real.h (real_isinteger): Declare.
2193 * real.c (real_isinteger): Define.
2194 * builtins.c (integer_valued_real_p): Use it.
2196 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2199 * c.opt (Wtraditional-conversion): New.
2200 (Wconversion): Update description.
2201 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2202 type conversions different from what would happen in the absence
2203 of prototype are now handled by Wtraditional-conversion.
2204 * doc/invoke.texi (Wtraditional-conversion): New.
2205 (Wconversion): Update description.
2206 * doc/trouble.texi (Wconversion): Replace Wconversion by
2207 Wtraditional-conversion.
2209 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2211 * predict.c (tree_estimate_probability): Check to make
2212 sure current_loops is non null before calling flow_loops_dump.
2214 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2216 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2218 2006-11-23 David Ung <davidu@mips.com>
2220 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2222 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2223 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2224 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2225 high part of FP register when in 64-bit FP register mode. Similarly
2226 use gen_mfhc1 to load high part of FP register.
2227 (override_options): Allow -mgp32 and -mfp64 combination if
2228 ISA_HAS_MXHC1 (currently for O32 only).
2229 (mips_cannot_change_mode_class): If floating-point registers are
2230 bigger than word size. disallow conversion of float register from a
2231 large integer mode to a float mode smaller than the float register
2233 (mips_class_max_nregs): Handle float registers case seperately.
2234 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2236 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2237 (movdf_hardfloat_32bit): Similarly.
2238 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2239 support a full 64-bit fpu.
2240 (mthc1): New pattern to generate MTHC1 instruction.
2241 (mfhc1): New pattern to generate MFHC1 instruction.
2242 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2243 option for the MIPS32R2 and mention its use under O32 ABI.
2245 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2247 * var-tracking.c (emit_note_insn_var_location): Take care not to
2248 cause verify_flow_info failures.
2250 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2252 * tree-ssa-structalias.c: Remove edge weights in favor of just
2253 processing them as complex constraints.
2254 (struct constraint_graph): Remove weighted succs and preds. Rename
2255 nonweighted succs and preds.
2256 (constraint_edge): Removed.
2257 (constraint_edge_t): Ditto.
2258 (constraint_edge_pool): Ditto.
2259 (new_constraint_edge): Ditto.
2260 (constraint_edge_equal): Ditto.
2261 (constraint_edge_less): Ditto.
2262 (constraint_edge_vec_find): Ditto.
2263 (erase_self_graph_edge): Ditto.
2264 (add_graph_edge): Removed.
2265 (get_graph_weights): Ditto.
2266 (allocate_graph_weights): Ditto.
2267 (valid_weighted_graph_edge): Ditto
2268 (bitmap_other_than_zero_bit_set): Ditto.
2269 (int_add_graph_edge): Renamed to add_graph_edge.
2270 (clear_edges_for_node): Remove support for weighted edges.
2271 (merge_graph_nodes): Ditto.
2272 (valid_graph_edge): Ditto.
2273 (build_constraint_graph): Ditto.
2275 (collapse_nodes): Ditto.
2276 (process_unification_queue): Ditto.
2277 (topo_visit): Ditto.
2278 (do_ds_constraint): Ditto.
2279 (perform_var_subsitution): Ditto.
2280 (solve_graph): Ditto.
2281 (init_alias_vars): Ditto.
2282 (delete_points_to_sets): Ditto.
2283 (do_complex_constraint): Support offsetted copies here.
2285 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2287 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2289 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2291 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2294 2006-11-23 Ben Elliston <bje@au.ibm.com>
2296 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2298 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2300 PR tree-optimization/29921
2301 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2302 signed and unsigned zero equal.
2304 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2306 * config/rs6000/rs6000.c (get_store_dest): New.
2307 (adjacent_mem_locations): Use get_store_dest() to get
2308 the rtl of the store destination.
2310 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2312 * config/rs6000/spe.md (SPE64): New mode macro.
2313 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2315 (mov_si<mode>_e500_subreg0_2): New.
2316 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2318 (mov_si<mode>_e500_subreg4_2): New.
2319 * config/rs6000/predicates.md (input_operand): Do not allow
2320 invalid E500 subregs.
2321 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2323 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2324 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2325 involving vector modes if TARGET_SPE.
2327 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2330 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2331 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2333 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2335 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2336 mem_i_address_operand): New predicates.
2337 * config/bfin/bfin.c (bfin_issue_rate): New function.
2338 (TARGET_SCHED_ISSUE_RATE): New macro.
2339 * config/bfin/bfin.md (addrtype): New attribute.
2340 (slot0, slot1, slot2, store, pregs): New cpu_units.
2341 (core): Now a define_reservation.
2342 (alu): Remove some insn types from this reservation.
2343 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2345 (dummy reservation): Don't trigger for mcld insns.
2346 (absence_sets): Two new absence sets to enforce slot ordering.
2347 (popsi_insn): Set addrtype.
2349 2006-11-22 Ira Rosen <irar@il.ibm.com>
2351 * doc/c-tree.texi: Document new tree codes.
2352 * doc/md.texi: Document new optabs.
2353 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2355 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2356 * optabs.h (optab_index): Add new.
2357 (vec_extract_even_optab, vec_extract_odd_optab,
2358 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2359 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2360 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2362 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2363 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2364 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2365 along with macros for their access.
2366 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2368 * tree-vect-analyze.c (toplev.h): Include.
2369 (vect_determine_vectorization_factor): Fix indentation.
2370 (vect_insert_into_interleaving_chain,
2371 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2372 (vect_analyze_data_ref_dependence): Add argument for interleaving
2373 check. Check for interleaving if it's true.
2374 (vect_check_dependences): New function.
2375 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2376 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2377 (vect_update_misalignment_for_peel): Update for interleaving.
2378 (vect_verify_datarefs_alignment): Check only first data-ref for
2380 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2381 only first data-ref for interleaving.
2382 (vect_analyze_data_ref_access): Check interleaving, update
2384 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2385 with different parameters.
2386 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2387 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2388 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2389 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2390 Update step in case of interleaving.
2391 (vect_strided_store_supported, vect_permute_store_chain): New
2393 (vectorizable_store): Handle strided stores.
2394 (vect_strided_load_supported, vect_permute_load_chain,
2395 vect_transform_strided_load): New functions.
2396 (vectorizable_load): Handle strided loads.
2397 (vect_transform_stmt): Add argument. Handle strided stores. Check
2398 that vectorized stmt exists for patterns.
2399 (vect_gen_niters_for_prolog_loop): Update calculation for
2401 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2402 whole chain vectorization.
2403 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2404 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2405 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2406 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2407 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2409 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2411 * cse.c (enum taken): Remove PATH_AROUND.
2412 (addr_affects_sp_p, invalidate_skipped_set,
2413 invalidate_skipped_block): Remove.
2414 (cse_end_of_basic_block): Remove skip_blocks and related code.
2415 (cse_main): Don't test for flag_cse_skip_blocks.
2416 Update cse_end_of_basic_block call.
2417 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2418 code to lengthen the path if a jump was simplified.
2420 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2422 PR rtl-optimization/29924
2423 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2424 (unroll_loop_runtime_iterations): Assert that the argument passed to
2425 split_edge_and_insert is not NULL.
2426 * loop-doloop.c (add_test): Ditto.
2428 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2430 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2432 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2433 * cfgloopmanip.c (update_single_exits_after_duplication,
2434 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2435 * tree-scalar-evolution.c (get_loop_exit_condition,
2436 get_exit_conditions_rec, loop_closed_phi_def,
2437 number_of_iterations_in_loop, scev_const_prop): Ditto.
2438 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2439 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2441 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2443 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2444 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2445 slpeel_make_loop_iterate_ntimes,
2446 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2447 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2449 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2450 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2451 vect_analyze_loop_form): Ditto.
2452 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2453 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2454 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2455 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2456 vect_transform_loop): Ditto.
2457 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2458 (single_exit, set_single_exit): New functions.
2459 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2460 (single_exit, set_single_exit): Declare.
2461 * doc/loop.texi: Undocument single_exit field. Document single_exit
2464 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2466 PR tree-optimization/29902
2467 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2468 any involved ssa name appears in abnormal phi node.
2470 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2472 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2473 (xtensa_const_ok_for_letter_p): Delete.
2474 (xtensa_extra_constraint): Delete.
2475 (override_options): Delete xtensa_char_to_class initialization.
2476 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2477 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2478 (EXTRA_CONSTRAINT): Delete.
2479 * config/xtensa/xtensa.md: Include constraints.md.
2480 (call_internal): Combine alternatives.
2481 (call_value_internal): Likewise, and remove invalid constraints.
2482 * config/xtensa/constraints.md: New file.
2483 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2484 (xtensa_extra_constraint): Delete.
2485 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2488 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2490 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2491 of conversion that doesn't fit.
2493 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2494 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2495 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2497 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2499 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2501 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2503 2006-11-21 Richard Guenther <rguenther@suse.de>
2505 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2506 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2507 vect_recog_pow_pattern.
2508 (vect_recog_pow_pattern): New function.
2510 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2512 * config/bfin/bfin.opt (mstack-check-l1): New.
2513 * doc/invoke.texi (Blackfin Options): Document it.
2514 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2515 stack bounds in L1 memory if the new option is enabled.
2516 (override_options): Don't allow combinations of -fstack-limit and
2518 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2521 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2523 (bfin_register_move_cost): Bump costs if trying to move plain
2524 integer values through accumulators.
2526 2006-11-21 Ben Elliston <bje@au.ibm.com>
2528 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2530 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2531 Russell Olsen <Russell_Olsen@playstation.sony.com>
2532 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2533 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2534 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2535 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2536 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2538 * config.gcc: Add target for SPU.
2539 * config/spu/constraints.md: New file.
2540 * config/spu/crt0.c: New file.
2541 * config/spu/crtend.c: New file.
2542 * config/spu/crti.asm: New file.
2543 * config/spu/crtn.asm: New file.
2544 * config/spu/float_unsdidf.c: New file.
2545 * config/spu/float_unssidf.c: New file.
2546 * config/spu/predicates.md: New file.
2547 * config/spu/spu-builtins.def: New file.
2548 * config/spu/spu-builtins.h: New file.
2549 * config/spu/spu-builtins.md: New file.
2550 * config/spu/spu-c.c: New file.
2551 * config/spu/spu-elf.h: New file.
2552 * config/spu/spu-modes.def: New file.
2553 * config/spu/spu-protos.h: New file.
2554 * config/spu/spu.c: New file.
2555 * config/spu/spu.h: New file.
2556 * config/spu/spu.md: New file.
2557 * config/spu/spu.opt: New file.
2558 * config/spu/spu_internals.h: New file.
2559 * config/spu/spu_intrinsics.h: New file.
2560 * config/spu/spu_mfcio.h: New file.
2561 * config/spu/t-spu-elf: New file.
2562 * config/spu/vec_types.h: New file.
2563 * config/spu/vmx2spu.h: New file.
2564 * doc/contrib.texi: Document SPU contributor.
2565 * doc/extend.texi: Document SPU extensions.
2566 * doc/invoke.texi: Document SPU options.
2567 * doc/md.texi: Document SPU constraints.
2569 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2571 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2573 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2575 (flow_loop_dump): Do not dump loop level.
2576 (flow_loops_find): Do not call flow_loops_level_compute.
2577 * cfgloop.h (struct loop): Remove level field.
2579 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2581 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2582 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2583 Use vector of edges instead of array.
2584 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2585 estimate_numbers_of_iterations_loop): Ditto.
2586 * predict.c (predict_loops): Ditto.
2587 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2588 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2590 * basic-block.h: Declare heap allocation for edge vectors.
2591 * tree-outof-ssa.c: Ditto.
2592 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2593 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2595 2006-11-20 Zack Weinberg <zackw@panix.com>
2597 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2598 Add another out parameter, "skip".
2599 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2600 is tagged "skip", do not mark its type used.
2602 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2605 * tree-sra.c (single_scalar_field_in_record_p): New function.
2606 (decide_block_copy): Use it.
2608 2006-11-20 David Daney <ddaney@avtrex.com>
2610 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2611 PC to point to following instruction.
2613 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2617 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2619 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2621 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2623 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2624 Add sh/superh.h to tm_file.
2626 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2627 Mark Mitchell <mark@codesourcery.com>
2629 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2631 (cpp_relocated): New function.
2632 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2634 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2635 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2636 replace configured prefix with gcc_exec_prefix.
2638 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2640 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2641 bfin_legitimate_constant_p.
2642 * config/bfin/bfin.md (movsi expander): Check return value of
2644 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2645 (expand_move): Adjust prototype.
2646 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2647 invalid constants specially.
2648 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2650 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2652 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2653 sibcall_value_symbol): Allow these patterns if
2654 TARGET_LEAF_ID_SHARED_LIBRARY.
2655 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2656 (override_options): Turn on id shared library flags if -msep-data,
2657 but disallow the combination of these options on the command line.
2658 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2659 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2660 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2661 -mid-shared-library.
2662 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2663 * doc/invoke.texi (Blackfin Options): Document new switches.
2665 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2666 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2668 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2669 inflate costs for addresses with an out-of-bounds address.
2671 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2674 * fwprop.c (loops): Remove.
2675 (forward_propagate_into): Use current_loops instead of
2677 (fwprop_init): Call loop_optimizer_init instead of
2679 (fwprop_done): Call loop_optimizer_finalize instead of
2681 (fwprop): Use current_loops instead of loops.
2683 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2686 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2688 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2691 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2692 larger than BITS_PER_WORD.
2694 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2698 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2699 to MAX_FIXED_MODE_SIZE.
2701 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2703 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2704 (fold_builtin_fmin_fmax): New.
2705 (fold_builtin_1): Use it.
2707 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2709 2006-11-18 Richard Guenther <rguenther@suse.de>
2711 * config/i386/i386.c (ix86_builtins): New array for ix86
2712 builtin function decls.
2713 (def_builtin): New function.
2714 (def_builtin_const): Likewise.
2715 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2717 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2719 * doc/invoke.texi (core2): Add item.
2721 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2723 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2724 (TARGET_CPU_DEFAULT_generic): Change value.
2725 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2726 (processor_type): Add new constant PROCESSOR_CORE2.
2728 * config/i386/i386.md (cpu): Add core2.
2730 * config/i386/i386.c (core2_cost): New initialized variable.
2731 (m_CORE2): New macro.
2732 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2733 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2734 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2735 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2736 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2737 x86_accumulate_outgoing_args, x86_prologue_using_move,
2738 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2739 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2740 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2741 x86_pad_returns): Add m_CORE2.
2742 (override_options): Add entries for Core2.
2743 (ix86_issue_rate): Add case for Core2.
2745 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2747 * doc/invoke.texi: Fix mno-isel typo.
2749 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2751 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2752 easy vector constant loads.
2754 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2756 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2757 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2758 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2759 * config/rs6000/sync.md (lwsync): Emit plain sync if
2762 2006-11-17 DJ Delorie <dj@redhat.com>
2764 * reload1.c (reloads_unique_chain): New.
2765 (reloads_conflict): Call it.
2767 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2769 * config/xtensa/predicates.md (addsubx_operand): New.
2770 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2771 (xtensa_emit_bit_branch): New.
2772 (xtensa_emit_movcc): New.
2773 * config/xtensa/xtensa.md (any_minmax): New code macro.
2774 (minmax): New code attribute.
2775 (any_cond, any_scc, any_scc_sf): New code macros.
2776 (*addx2, *addx4, *addx8): Delete.
2778 (*subx2, *subx4, *subx8): Delete.
2780 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2781 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2782 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2783 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2784 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2785 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2786 (movsfcc_internal0, movsfcc_internal1): Likewise.
2787 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2788 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2789 (xtensa_emit_bit_branch): New.
2790 (xtensa_emit_movcc): New.
2791 (function_arg_boundary): Add missing prototype.
2793 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2795 * config/xtensa/xtensa.md (tstsi): Delete
2797 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2799 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2801 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2803 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2805 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2807 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2809 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2811 * tree-vrp.c (execute_vrp): Do not update current_loops.
2812 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2813 * doc/loop.texi: Remove documentation for cancelled functions.
2814 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2815 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2817 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2818 (remove_path): Ensure that in delete_basic_blocks, the loops
2819 are still allocated.
2820 (add_loop): Work on valid loop structures.
2821 (loopify): Modify call of add_loop.
2822 (mfb_update_loops): Removed.
2823 (create_preheader): Do not update loops explicitly.
2824 (force_single_succ_latches, loop_version): Do not use
2825 loop_split_edge_with.
2826 (loop_split_edge_with): Removed.
2827 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2828 Do not use bsi_insert_on_edge_immediate_loop.
2829 (split_loop_exit_edge, tree_unroll_loop): Do not use
2830 loop_split_edge_with.
2831 (bsi_insert_on_edge_immediate_loop): Removed.
2832 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2833 use loop_split_edge_with.
2834 * cfghooks.c: Include cfgloop.h.
2835 (verify_flow_info): Verify that loop_father is filled iff current_loops
2837 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2838 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2840 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2842 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2843 loop_split_edge_with.
2844 (sms_schedule): Use current_loops.
2845 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2846 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2848 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2849 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2850 * ifcvt.c (if_convert): Ditto.
2851 * predict.c (predict_loops): Do not clear current_loops.
2852 (tree_estimate_probability): Use current_loops.
2853 (propagate_freq): Receive head of the region to propagate instead of
2855 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2856 (estimate_loops): New function. Handle case current_loops == NULL.
2857 (estimate_bb_frequencies): Do not allocate tovisit. Use
2859 * tree-ssa-loop.c (current_loops): Removed.
2860 (tree_loop_optimizer_init): Do not return loops.
2861 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2862 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2863 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2864 Do not update loops explicitly.
2865 * function.h (struct function): Add x_current_loops field.
2866 (current_loops): New macro.
2867 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2868 * loop-unroll.c (split_edge_and_insert): New function.
2869 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2870 use loop_split_edge_with.
2871 * loop-doloop.c (add_test, doloop_modify): Ditto.
2872 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2873 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2874 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2875 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2877 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2878 (flow_loops_free): Do not free dfs_order and rc_order.
2879 (flow_loops_find): Do not set dfs_order and rc_order in loops
2880 structure. Do not call loops and flow info verification.
2881 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2882 already belongs to some loop.
2883 * cfgloop.h (struct loops): Remove struct cfg.
2884 (current_loops, loop_split_edge_with): Declaration removed.
2885 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2886 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2887 Declaration removed.
2888 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2889 * basic-block.h (split_edge_and_insert): Declare.
2890 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2892 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2894 PR tree-optimization/29801
2895 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2896 (get_default_value): Use get_symbol_constant_value.
2897 (set_lattice_value): ICE when the value of the constant is
2899 (visit_assignment): Ignore VDEFs of read-only variables.
2901 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2903 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2905 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2906 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2908 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2910 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2911 select subvars of var.
2913 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2916 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2917 optimize if DEF doesn't have integral type.
2919 2006-11-16 Mike Stump <mrs@apple.com>
2921 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2922 pre-darwin9 system, unless the user asks for it directly.
2923 (PREFERRED_DEBUGGING_TYPE): Likewise.
2924 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2925 * config.gcc: Add suppport for darwin9.h.
2926 * config/darwin9.h: Add.
2927 * doc/install.texi (Specific): Clarify darwin documentation.
2929 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2931 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2932 optimizing for size.
2934 2006-11-16 Mike Stump <mrs@apple.com>
2936 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2938 2006-11-16 Dirk Mueller <dmueller@suse.de>
2940 * tree-vrp.c (get_value_range): Use XCNEW instead
2942 (insert_range_assertions): Use XCNEWVEC instead
2943 of XNEWVEC and memset.
2944 (vrp_initialize): Same.
2945 (vrp_finalize): Same.
2946 * tree-ssa-ccp.c (ccp_initialize): Same.
2947 * predict.c (tree_bb_level_predictions): Same.
2948 * calls.c (expand_call): Same.
2949 * tree-ssa-copy.c (init_copy_prop): Same.
2950 (fini_copy_prop): Same.
2951 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2952 of GGC_NEW and memset.
2954 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2957 * gimplify.c (gimplify_expr): Only force a load for references to
2958 non-BLKmode volatile values.
2959 * doc/implement-c.texi (Qualifiers implementation): Document the
2960 interpretation of what a volatile access is.
2961 * doc/extend.texi (C++ Extensions): Rework same documentation.
2963 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2965 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2968 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2970 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2972 (arm_neg_abssi2): Renamed from neg_abssi2.
2973 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2975 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2977 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2978 number of arguments passed to local functions in SSE registers is 3.
2980 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2981 number of arguments passed in SSE registers to 3.
2983 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2986 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2988 (get_last_bb_insn): ... new global function.
2989 (basic_block.h): Declare it.
2990 * haifa-sched.c (create_recovery_block): Use it.
2992 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2995 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2997 2006-11-15 Paul Brook <paul@codesourcery.com>
2999 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3000 _Unwind_GetTextRelBase): Move from here ...
3001 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3002 _Unwind_GetTextRelBase): ... To here.
3004 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3006 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3007 addresses we generate for testing are aligned.
3009 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3012 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3013 to what is the const decl is a place holder for.
3015 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3017 * config/i386/i386.opt: New target option -mx87regparm.
3019 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3020 and float_in_x87 variables. mmx_words, sse_words: Remove.
3021 (X87_REGPARM_MAX): Define.
3023 * config/i386/i386.c (override_options): Error out for
3024 -mx87regparm but no 80387 support.
3025 (ix86_attribute_table): Add x87regparm.
3026 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3027 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3028 (ix86_function_x87regparm): New function.
3029 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3031 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3033 (function_arg_advance): Process x87_nregs and x87_regno when
3034 floating point argument is to be passed in 80387 register.
3035 (function_arg): Pass XFmode arguments in 80387 registers for local
3036 functions. Pass SFmode and DFmode arguments to local functions
3037 in 80387 registers when flag_unsafe_math_optimizations is set.
3039 * reg-stack.c (convert_regs_entry): Disable NaN load for
3040 stack registers that are used for argument passing.
3042 * doc/extend.texi: Document x87regparm function attribute.
3043 * doc/invoke.texi: Document -mx87regparm.
3045 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3047 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3048 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3049 arg MODE; all callers changed. Use it to determine validity per
3050 machine mode instead of using Pmode for all memory references.
3051 (get_address_cost): Likewise add and use new arg MEM_MODE.
3053 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3054 J"orn Rennecke <joern.rennecke@st.com>
3056 * combine.c (likely_spilled_retval_1): Fix masking operation.
3057 (likely_spilled_retval_p): Use proper pattern for call to
3058 likely_spilled_retval_1.
3060 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3062 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3064 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3065 that tests for CONSTANT_POOL_ADDRESS_P.
3067 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3069 PR tree-optimization/29581
3070 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3071 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3072 type is different between Y and USE, create a temporary
3073 variable, initialize it at the beginning of the body bb
3074 and use it as replacement instead of Y.
3076 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3079 * gimplify.c (fold_indirect_ref_rhs): Use
3080 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3082 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3084 * expmed.c (emit_store_flag_1): New function.
3085 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3087 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3088 Use do_compare_rtx_and_jump.
3089 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3090 * arm.md (cstoresi4): New define_expand.
3091 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3092 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3093 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3095 2006-11-14 Caroline Tice <ctice@apple.com>
3097 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3098 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3100 (pubname_table): Redefine as a vector.
3101 (pubtype_table): New static global variable, defined as a vector.
3102 (pubname_table_allocated): Remove static global variable.
3103 (pubname_table_in_use): Remove static global variable.
3104 (PUBNAME_TABLE_INCREMENT): Remove constant.
3105 (size_of_pubnames): Add parameter to deal with either pubnames or
3106 pubtypes, and change code to deal with table being a vector.
3107 (add_pubname): Change to deal with table being a vector.
3108 (add_pubtype): New function.
3109 (output_pubnames): Add parameter to deal with either pubnames or
3110 pubtypes, and change code to deal with table being a vector.
3111 (gen_array_type_die): Add call to add_pubtype.
3112 (gen_enumeration_type_die): Add call to add_pubtype.
3113 (gen_struct_or_union_type_die): Add call to add_pubtype.
3114 (gen_subroutine_type_die): Add call to add_pubtype.
3115 (gen_typedef_die): Add call to add_pubtype.
3116 (dwarf2out_init): Add code to initialize pubname_table and
3117 pubtype_table vectors; also initialize debug_pubtypes_section.
3118 (prune_unused_types): Change to deal with pubnames being a vector.
3119 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3120 pubnames table to call to output_pubnames; Add code to output pubtypes
3121 table if DEBUG_PUBTYPES_SECTION is defined.
3122 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3124 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3126 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3128 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3129 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3130 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3131 movv2si_internal): Support moves between core registers.
3133 2006-11-14 Eric Christopher <echristo@apple.com>
3135 * configure: Regenerate with autoconf 2.59.
3137 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3139 Fix PR tree-optimization/27755
3141 * tree-ssa-pre.c: Update comments.
3142 (bb_bitmap_sets): Add pa_in and deferred member.
3143 (BB_DEFERRED): New macro.
3144 (maximal_set): New variable.
3145 (pre_stats): Add pa_insert member.
3146 (bitmap_set_and): Short circuit orig == dest.
3147 (bitmap_set_subtract_values): New function.
3148 (bitmap_set_contains_expr): Ditto.
3149 (translate_vuses_through_block): Add phiblock argument.
3150 (dependent_clean): New function.
3151 (compute_antic_aux): Update for maximal_set changes.
3152 (compute_partial_antic_aux): New function.
3153 (compute_antic): Handle partial anticipation.
3154 (do_partial_partial_insertion): New function.
3155 (insert_aux): Handle partial anticipation.
3156 (add_to_sets): Add to maximal set.
3157 (compute_avail): Ditto.
3158 (init_pre): Initialize maximal_set.
3159 (execute_pre): Do partial anticipation if -O3+.
3161 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3163 PR rtl-optimization/29798
3165 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3166 TARGET_INSN before any other check.
3167 (fwprop_init): Always calculate dominators.
3168 (fwprop_done): Always free them.
3170 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3175 2006-11-13 DJ Delorie <dj@redhat.com>
3177 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3178 temporary for intermediates.
3180 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3182 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3183 (sh_optimize_target_register_callee_saved): #if 0 the code
3184 using NOTE_INSN_LOOP_{BEG,END}.
3186 2006-11-13 Roger Sayle <roger@eyesopen.com>
3188 * fold-const.c (optimize_bit_field_compare): Recursively call
3189 fold when simplifying non-constant comparisons between bit-fields.
3191 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3193 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3195 * configure: Rebuilt.
3197 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3199 * config/rs6000/cell.md: New file.
3200 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3202 (ppccell_cost): New cost matrix.
3203 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3204 (rs6000_override_options): Set rs6000_always_hint to false
3205 for cell. Also align functions/lables/loops to 8byte
3206 for the Cell. Use PROCESSOR_CELL.
3207 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3208 using_mtcr_multiple.
3209 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3210 on the Cell, return 0.
3211 (rs6000_adjust_cost): Add Cell cost adjustments.
3212 (is_microcoded_insn): Return true for Cell microcoded
3214 (is_nonpipeline_insn): New function.
3215 (rs6000_issue_rate): Add PROCESSOR_CELL.
3216 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3218 (rs6000_use_sched_lookahead_guard): New function.
3219 (rs6000_sched_reorder): Reorder the ready list, if the second
3220 to last ready insn is a nonepipeline insn on the Cell.
3221 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3222 (ASM_CPU_SPEC): Add Cell.
3223 * config/rs6000/rs6000.md (cpu): Add Cell.
3224 (cell_micro): New Attr.
3227 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3229 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3231 * configure: Rebuilt.
3233 2006-11-13 Richard Guenther <rguenther@suse.de>
3235 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3237 (ix86_expand_lfloorceil): Likewise.
3238 (ix86_expand_rint): Likewise.
3239 (ix86_expand_floorceildf_32): Likewise.
3240 (ix86_expand_floorceil): Likewise.
3241 (ix86_expand_rounddf_32): Likewise.
3242 (ix86_expand_truncdf_32): Likewise.
3243 (ix86_expand_round): Likewise.
3245 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3246 Mark Mitchell <mark@codesourcery.com>
3248 * gcc.c: Organize search path variables into $prefix relative,
3249 and well-known native. Add comments.
3250 (add_sysrooted_prefix): Add comment.
3251 (process_command): If !gcc_exec_prefix add $prefix based paths.
3252 If *cross_compile == '0', add native well-known paths.
3253 Assert tooldir_base_prefix is always relative.
3254 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3255 use this value for 'install:' path.
3256 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3258 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3260 * config/i386/i386.c: Fix a typo in comment.
3262 2006-11-13 Michael Matz <matz@suse.de>
3264 * genemit.c (gen_expand): Allocate enough memory.
3266 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3268 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3269 __GXX_TYPEINFO_EQUALITY_INLINE but not
3270 __GXX_MERGED_TYPEINFO_NAMES.
3271 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3272 __GXX_MERGED_TYPEINFO_NAMES.
3273 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3274 __GXX_TYPEINFO_EQUALITY_INLINE.
3276 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3277 Zdenek Dvorak <dvorakz@suse.cz>
3279 PR tree-optimization/29680
3280 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3283 2006-11-12 Jason Merrill <jason@redhat.com>
3284 Andrew Pinski <pinskia@physics.uc.edu>
3287 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3289 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3291 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3292 * tree.c (build_vector): Handle non-_CST elements.
3294 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3296 * genemit.c (gen_insn): Call gen_exp with a non-null used
3297 when handling multiple insns.
3298 (gen_expand): Likewise.
3299 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3300 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3301 (movsi_const_16bit+1): Copy operands[1].
3302 (call_pcrel): Copy the call_site pattern.
3303 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3305 2006-11-12 Roger Sayle <roger@eyesopen.com>
3307 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3308 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3309 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3310 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3312 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3314 Fix PR tree-optimization/29587
3315 * tree-ssa-structalias.c (process_constraint): Don't
3316 mark address taken due only to escaped vars constraint.
3318 2006-11-12 Michael Matz <matz@suse.de>
3319 Roger Sayle <roger@eyesopen.com>
3321 PR rtl-optimization/29797
3322 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3323 BITS_BIG_ENDIAN targets.
3325 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3327 * builtins.c (fold_builtin_cosh): New.
3328 (fold_builtin_1): Use it.
3329 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3330 trunc to the list of "odd" functions. Also add llrint, lrint,
3331 rint and nearbyint when flag_rounding_math is false.
3333 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3335 * tree-flow.h (name_mappings_registered_p): Declare.
3336 * tree-into-ssa.c (name_mappings_registered_p): New function.
3337 * tree-cfg.c (tree_can_merge_blocks_p): Check
3338 name_mappings_registered_p instead of need_ssa_update_p.
3340 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3342 * tree-ssa-loop.c (tree_vectorize): Return the result of
3344 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3345 if anything changed.
3346 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3347 * tree-flow.h (vectorize_loops): Declaration changed.
3349 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3351 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3353 (issue_prefetch_ref): Move assignment to write_p out of loop.
3354 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3355 SIMULTANEOUS_PREFETCHES into account.
3356 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3357 * lambda-code.c (lcm): Renamed to ...
3358 (least_common_multiple): ... and exported.
3359 * tree-flow.h (least_common_multiple): Declare.
3361 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3363 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3364 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3365 ud-chains. Handle AND_EXPR.
3366 (record_estimate): Record whether the estimate is realistic
3367 and whether it is derived from a loop exit.
3368 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3369 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3371 (compute_estimated_nb_iterations): Take only realistic bounds into
3372 account. Set estimate_state. Use double_ints.
3373 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3374 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3375 that do not have to be always executed.
3376 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3377 to determine whether to call infer_loop_bounds_from_undefined
3378 and compute_estimated_nb_iterations.
3379 (n_of_executions_at_most): Use double_ints.
3380 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3381 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3382 * double-int.c (double_int_to_tree): Improve comment.
3383 (double_int_fits_to_tree_p): New function.
3384 * double-int.h (double_int_fits_to_tree_p): Declare.
3385 * tree-data-ref.c: Include langhooks.h.
3386 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3387 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3388 (analyze_array): Do not pass estimate_only argument to
3389 analyze_array_indexes.
3390 (get_number_of_iters_for_loop): Build tree from the stored double_int
3392 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3393 (find_data_references_in_loop): Use find_data_references_in_stmt.
3394 * tree-data-ref.h (struct data_ref_loc_d): New.
3395 (get_references_in_stmt): Declare.
3396 (estimate_iters_using_array): Declaration removed.
3397 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3398 double_int. Improve comments. Add is_exit and realistic
3400 (struct loop): Changed type of estimated_nb_iterations to double_int.
3401 Added estimate_state field.
3402 (record_estimate): Declaration removed.
3404 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3406 * params.c (set_param_value): Initialize the "set" field.
3407 * params.h (struct param_info): Add "set" field.
3408 (PARAM_SET_P): New macro.
3409 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3410 L1_CACHE_LINE_SIZE): New macros.
3411 * toplev.c (DEFPARAM): Initialize the "set" field.
3412 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3413 SIMULTANEOUS_PREFETCHES): Removed.
3414 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3415 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3416 * config/sparc/sparc.c: Include params.h.
3417 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3418 L1_CACHE_LINE_SIZE parameters.
3419 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3421 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3423 * config/i386/i386.c: Include params.h.
3424 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3425 (override_options): Set SIMULTANEOUS_PREFETCHES and
3426 L1_CACHE_LINE_SIZE parameters.
3427 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3428 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3429 L1_CACHE_LINE_SIZE parameters.
3430 * config/ia64/ia64.c (ia64_optimization_options): Set
3431 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3432 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3434 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3435 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3436 * doc/invoke.texi: Document new params.
3438 2006-11-12 Roger Sayle <roger@eyesopen.com>
3440 PR tree-optimization/13827
3441 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3444 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3446 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3447 update_single_exit_for_duplicated_loops): New functions.
3448 (duplicate_loop_to_header_edge): Use
3449 update_single_exit_for_duplicated_loops.
3450 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3451 functions only with ENABLE_CHECKING.
3453 2006-11-12 Andreas Schwab <schwab@suse.de>
3455 * except.c (sjlj_emit_function_enter): Remove unused variable.
3457 2006-11-11 Roger Sayle <roger@eyesopen.com>
3459 * fold-const.c (int_binop_types_match_p): New function.
3460 (size_binop): Relax constraint that both arguments must both have
3461 exactly the same sizetype type. Instead use int_binop_types_match_p.
3462 (size_diffop): Likewise.
3464 (make_range): Use build_int_cst instead of fold_convert.
3465 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3466 integer constants of the correct type.
3467 (fold_div_compare): Likewise.
3468 (fold_single_bit_test): Likewise.
3469 (fold_binary): Likewise.
3470 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3471 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3473 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3476 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3477 non null value if the struct memory access is in the 0th
3480 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3483 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3484 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3487 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3488 instead of builtin_define for bfin and BFIN.
3490 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3492 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3495 2006-11-11 Jan Hubicka <jh@suse.cz>
3497 * extend.texi (__builtin_expect): We no longer require second argument
3499 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3500 * builtins.c (expand_builtin_expect): Simplify.
3501 (expand_builtin_expect_jump): Kill.
3502 * final.c (final_scan_insn): Do not skip the removed notes.
3503 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3504 EXPECTED_VALUE): Remove.
3505 * dojump.c (do_jump): Do not care about __builtin_expect.
3506 * predict.c (expected_value_to_br_prob): Kill.
3507 * function.c (expand_function_end): Do not expand
3508 NOTE_INSN_REPEATED_LINE_NUMBER.
3509 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3510 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3511 * cfgexpand.c (add_reg_br_prob_note): Export.
3512 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3513 expected_value_to_br_prob.
3514 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3515 * rtl.h (add_reg_br_prob_note): Declare.
3517 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3519 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3521 2006-11-11 Jan Hubicka <jh@suse.cz>
3523 * predict.c (predict_loops): Kill RTL variant.
3525 2006-11-11 Jan Hubicka <jh@suse.cz>
3527 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3528 * modulo-sched.c (find_line_note): Remove.
3529 (loop_canon_p): Do not worry about line number notes.
3530 (sms_schedule): Likewise.
3531 * cse.c (cse_main): Likewise.
3532 * regmove.c (fixup_match_1): Likewise
3533 * function.c (emit_return_info_block): Likewise.
3534 (expand_function_end): Likewise.
3535 (thread_prologue_an_epilogue_insns): Likewise.
3536 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3538 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3539 emit_note_copy_after): Kill.
3540 (emit_note_copy): Do not worry about line numbers.
3541 * jump.c (purge_line_number_notes): Kill.
3542 (pass_purge_lineno_notes): Kill.
3543 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3545 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3546 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3547 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3548 * tree-pass.h (pass_purge_lineno_notes): Kill.
3549 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3550 rm_redundant_line_notes.
3551 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3552 rm_redundant_line_notes.
3553 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3554 * haifa-sched.c: Update comment about handling notes.
3555 (unlink_line_notes): Kill.
3556 (rm_line_notes): Kill.
3557 (save_line_notes): Simplify.
3558 (rm_redundant_line_notes): Kill.
3560 2006-11-11 Richard Guenther <rguenther@suse.de>
3562 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3563 Remove unused tree codes.
3564 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3565 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3566 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3567 * tree.c (stabilize_reference): Likewise.
3568 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3569 fold_unary): Likewise.
3570 * tree-gimple.c (is_gimple_cast): Likewise.
3571 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3572 * expr.c (expand_expr_real_1): Likewise.
3573 * tree-eh.c (tree_could_trap_p): Likewise.
3574 * gimplify.c (gimplify_expr): Likewise.
3575 * tree-inline.c (estimate_num_insns_1): Likewise.
3576 * tree-cfg.c (verify_expr): Likewise.
3578 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3580 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3581 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3582 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3584 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3587 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3588 constraints accept neither registers or memories.
3590 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3592 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3593 (NO_PROFILE_COUNTERS): Define as 1.
3595 2006-11-10 Roger Sayle <roger@eyesopen.com>
3597 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3598 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3600 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3602 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3604 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3606 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3607 (fold_builtin_hypot): Likewise.
3608 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3610 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3612 2006-11-10 Roger Sayle <roger@eyesopen.com>
3614 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3615 when attempting to build INTEGER_CSTs of non-integral types.
3616 * expmed.c (make_tree): Use the correct type, i.e. the inner
3617 type, when constructing the individual elements of a CONST_VECTOR.
3619 2006-11-10 Jan Hubicka <jh@suse.cz>
3621 * cse.c (cse_process_notes): Copy the propagated value.
3622 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3624 * gcse.c (try_replace_reg): Copy the replacement.
3625 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3626 (assign_386_stack_local): Always return copied memory expression
3627 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3630 2006-11-10 Jan Hubicka <jh@suse.cz>
3632 * final.c (final): Walk from first instruction.
3633 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3635 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3638 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3640 (umulv8hi3_highpart): Ditto.
3641 (vec_widen_smult_hi_v8hi): New expander.
3642 (vec_widen_smult_lo_v8hi): Ditto.
3644 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3647 * builtins.c (do_mpfr_arg3): New.
3648 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3650 2006-11-09 Eric Christopher <echristo@apple.com>
3655 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3656 * config.gcc (powerpc64-*-darwin*): New target.
3657 * config.host: Ditto.
3658 * config/rs6000/darwin64.h: New file.
3659 * config/rs6000/x-darwin64: Ditto.
3660 * config/rs6000/host-ppc64-darwin.c: Ditto.
3662 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3664 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3665 routines for integer division.
3667 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3669 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3671 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3674 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3676 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3678 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3679 simplify_subreg with BLKmode outer mode.
3681 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3683 * doc/invoke.texi: Minor formatting fixes in option lists.
3685 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3687 PR tree-optimization/29738
3688 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3689 (ccp_lattice_t): Remove UNKNOWN_VAL.
3690 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3691 Do not handle UNKNOWN_VAL.
3692 (get_default_value): Set initial value of virtual operands to
3694 (get_value): Always use get_default_value on uninitialized
3696 (set_value_varying, surely_varying_stmt_p): New functions.
3697 (set_lattice_value): Do not pass argument to get_value.
3698 Do not handle UNKNOWN_VAL.
3699 (likely_value): Follow the semantics described in the comment.
3700 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3701 phi nodes DONT_SIMULATE_AGAIN.
3702 (ccp_fold): Do not pass argument to get_value.
3703 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3706 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3708 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3709 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3711 2006-11-08 Roger Sayle <roger@eyesopen.com>
3713 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3714 test for inclusion rather than as a test for exclusion.
3715 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3716 the condition after calling fold_binary.
3717 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3718 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3719 * builtins.c (fold_builtin_isascii): Likewise.
3720 (fold_builtin_isdigit): Likewise.
3722 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3724 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3725 * configure: Regenerate.
3727 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3729 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3730 enum argument instead of bool.
3731 (vect_analyze_operations): Call vectorizable_type_promotion.
3732 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3733 stmt_vec_info_type value.
3734 (supportable_widening_operation, vectorizable_type_promotion): New
3735 function declarations.
3736 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3737 (vectorizable_type_promotion): New function.
3738 (vect_transform_stmt): Call vectorizable_type_promotion.
3739 * tree-vect-analyze.c (supportable_widening_operation): New function.
3740 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3742 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3745 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3746 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3747 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3749 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3750 * expr.c (expand_expr_real_1): Likewise.
3751 * optabs.c (optab_for_tree_code): Likewise.
3752 (init_optabs): Initialize new optabs.
3753 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3754 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3755 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3756 vec_unpacku_lo_optab): Initialize new optabs.
3757 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3758 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3759 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3761 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3762 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3763 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3764 (vec_unpacku_lo_optab): New optabs.
3765 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3766 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3767 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3768 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3769 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3770 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3772 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3773 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3774 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3775 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3776 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3777 implement the unsigned unpacking patterns.
3778 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3779 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3780 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3781 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3782 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3783 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3784 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3785 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3786 multiplication patterns.
3788 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3789 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3790 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3791 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3792 (rs6000_builtin_mul_widen_odd): New.
3793 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3794 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3795 * tree-vectorizer.h (enum vect_relevant): New enum type.
3796 (_stmt_vec_info): Field relevant chaned from bool to enum
3798 (STMT_VINFO_RELEVANT_P): Updated.
3799 (STMT_VINFO_RELEVANT): New.
3800 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3801 instead of STMT_VINFO_RELEVANT_P.
3802 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3803 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3804 and boolean variable with enum vect_relevant.
3805 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3806 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3807 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3809 2006-11-08 Richard Henderson <rth@redhat.com>
3811 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3812 vec_widen_umult_lo_v8hi): New.
3813 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3814 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3816 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3817 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3818 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3819 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3820 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3821 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3822 vec_unpacks_lo_v4si): New.
3824 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3826 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3827 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3828 (vect_analyze_operations): Call vectorizable_type_demotion.
3829 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3830 stmt_vec_info_type value.
3831 (vectorizable_type_demotion): New function declaration.
3832 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3835 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3836 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3838 * tree-iniline.c (estimate_num_insns_1): Likewise.
3839 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3840 * optabs.c (optab_for_tree_code): Likewise.
3842 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3843 compared against the predicate of the result is not 'mode' (the input
3844 to the function) but a mode with half the size of 'mode'.
3845 (init_optab): Initialize new optabs.
3846 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3848 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3850 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3851 (vec_pack_usat_optab): Initialize new optabs.
3852 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3853 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3855 2006-11-08 Richard Henderson <rth@redehat.com>
3857 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3858 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3859 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3860 (vec_interleave_highv4si, vec_interleave_lowv4si):
3861 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3863 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3865 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3867 (vect_transform_stmt): Removed redundant code.
3869 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3871 * tree-vect-transform.c (vectorizable_operation): Support multiple
3874 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3876 * tree-vect-transform.c (vect_align_data_ref): Removed.
3877 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3878 Updated function documentation. Return the increment stmt in ptr_incr.
3879 (bump_vector_ptr): New function.
3880 (vect_get_vec_def_for_stmt_copy): New function.
3881 (vect_finish_stmt_generation): Create a stmt_info to newly created
3883 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3885 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3886 VF is greater than the number of elements that can fit in one vector
3888 (vectorizable_operation, vectorizable_condition): Likewise.
3889 (vectorizable_store, vectorizable_load): Support the case that the VF
3890 is greater than the number of elements that can fit in one vector word.
3891 (vect_transform_loop): Don't fail in case of multiple data-types.
3892 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3893 in case of multiple data-types; the smallest type determines the VF.
3894 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3895 if they are of different sizes.
3896 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3897 number of elements rather than number of bytes.
3898 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3899 (vect_can_advance_ivs_p): Fix a dump printout
3901 2006-11-07 Eric Christopher <echristo@apple.com>
3903 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3904 (__bswapsi2): Ditto.
3905 * libgcc2.h: Remove transformation of bswap routines.
3906 * config/i386/i386.md (bswapsi2): New.
3909 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3911 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3912 (handle_gnu_inline_attribute): New function.
3913 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3914 (merge_decls, start_decl, start_function): Likewise.
3915 * doc/extend.texi: Document gnu_inline attribute.
3917 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3920 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3921 _fixunstfdi, and _floatditf
3923 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3925 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3927 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3928 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3929 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3930 which start in an odd register.
3932 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3934 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3936 2006-11-07 Josh Conner <jconner@apple.com>
3938 * doc/invoke.texi (fstrict-aliasing): Move implementation
3940 * doc/tree-ssa.texi (Alias analysis): ...here.
3942 2006-11-07 Richard Guenther <rguenther@suse.de>
3944 PR tree-optimization/29610
3945 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3946 of tree_purge_dead_eh_edges as it may free dominators.
3948 * g++.dg/other/pr29610.C: New testcase.
3950 2006-11-07 David Ung <davidu@mips.com>
3952 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3953 costs when optimizing for size.
3954 (override_options): Use mips_rtx_cost_optimize_size table for cost
3957 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3959 * gcc.c (process_command): Treat -b as normal switch if its argument
3962 2006-11-07 David Ung <davidu@mips.com>
3964 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3967 2006-11-06 Eric Christopher <echristo@apple.com>
3969 * config.gcc: Add x86_64-darwin host support.
3970 * config.host: Ditto.
3971 * config/i386/darwin64.h: New file.
3972 * config/i386/t-darwin64: Ditto.
3974 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3976 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3977 and output-exists-not.
3979 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3982 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3983 checking for overflow.
3985 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3987 * configure.ac: Fixed typo in case statement: :: changed to ;;
3989 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3991 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3992 count_leading_zeros, and count_trailing_zeros.
3993 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3994 (TARGET_FOLD_BUILTIN): Define.
3995 (TARGET_EXPAND_BUILTIN): Define.
3996 (xtensa_init_builtins): New.
3997 (xtensa_fold_builtin): New.
3998 (xtensa_expand_builtin): New.
3999 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4000 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4001 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4002 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4003 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4004 (any_extend): New code macro.
4005 (u, su): New code attributes.
4006 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4007 (nsau): Remove; replaced by clzsi2.
4008 (ffssi2): Use clzsi2.
4009 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4010 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4011 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4012 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4013 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4015 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4017 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4019 * config/arm/t-strongarm-elf: Likewise.
4020 * config/arm/t-pe: Likewise.
4021 * config/arm/t-arm-elf: Likewise.
4022 * config/arm/t-xscale-elf: Likewise.
4023 * config/arm/t-arm-coff: Likewise.
4024 * config/arm/t-xscale-coff: Likewise.
4025 * config/arm/t-wince-pe: Likewise.
4027 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4029 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4032 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4035 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4038 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4041 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4042 as a valid 80387 constant.
4043 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4044 * config/i386/i386.md (unnamed splitter): Split the load of
4045 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4048 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4050 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4051 from the soft-frame, argument and virtual registers.
4053 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4055 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4056 patterns for standard 80387 constants.
4058 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4059 Steven Bosscher <steven@gcc.gnu.org>
4061 * fwprop.c: New file.
4062 * Makefile.in: Add fwprop.o.
4063 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4064 * passes.c (init_optimization_passes): Schedule forward propagation.
4065 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4067 * timevar.def (TV_FWPROP): New.
4068 * common.opt (-fforward-propagate): New.
4069 * opts.c (decode_options): Enable forward propagation at -O2.
4070 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4071 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4072 canon_for_address, table_size): Remove.
4073 (new_basic_block, insert, remove_from_table): Remove references to
4075 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4076 simplification loop more straightforward by not calling fold_rtx
4078 (equiv_constant): Move here a small part of fold_rtx_subreg,
4079 do not call fold_rtx. Call avoid_constant_pool_reference
4081 * recog.h (canonicalize_change_group): New.
4083 * doc/invoke.texi (Optimization Options): Document fwprop.
4084 * doc/passes.texi (RTL passes): Document fwprop.
4086 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4088 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4089 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4090 (grokdeclarator): Likewise.
4092 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4094 * tree-dump.c (dump_enable_all): Rename local variable
4095 ir_type to avoid name conflicts.
4096 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4097 instead of using ir_type().
4098 * profile.c (tree_register_profile_hooks): Likewise.
4099 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4100 * basic-block.h (struct edge_def): Likewise.
4101 * config/arm/arm.c (legitimize_pic_address): Likewise.
4102 * coretypes.h (ir_type): New enum of all intermediate languages
4104 * cfghooks.c (ir_type): Rename to...
4105 (current_ir_type): ...this. Distinguish between cfgrtl and
4106 cfglayout mode when the current IR is RTL. Return enum ir_type.
4107 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4109 2006-11-03 Paul Brook <paul@codesourcery.com>
4111 * config/arm/arm.c (arm_file_start): New function.
4112 (TARGET_ASM_FILE_START): Define.
4113 (arm_default_cpu): New variable.
4114 (arm_override_options): Set arm_default_cpu.
4116 2006-11-03 David Ung <davidu@mips.com>
4118 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4119 PROCESSOR_24KC and PROCESSOR_24KF.
4120 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4121 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4122 (mips_rtx_cost_data): Add costs for the 24kc.
4123 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4124 * config/mips/24k.md: Remove references to 24k and replace with
4125 uses of 24kc/24kf in the appropriate reservations.
4126 * doc/invoke.texi (MIPS Options): Updated.
4128 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4130 * config/sh/crt1.asm: Fix #ifdef indent.
4132 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4133 Merged from STMicroelectronics sources:
4134 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4135 * config/sh/crt1.asm (vbr_600): Add missing #if.
4136 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4137 * sh.opt (mfused-madd): New option.
4138 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4139 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4140 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4141 Remove pointless handler at VBR+0.
4142 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4143 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4144 fr7. Make sure the timer handler is called with the correct FPU
4145 precision setting, according to the ABI.
4146 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4147 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4148 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4149 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4150 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4151 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4152 zero as second operand.
4153 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4154 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4155 Fixed some bugs related to negative values, in particular -0
4156 and overflow at -0x80000000.
4157 * config/sh/divcost-analysis: Added sh4-300 figures.
4158 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4159 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4160 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4161 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4162 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4163 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4165 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4167 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4168 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4169 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4170 mac_mem, mem_mac, dfp_mul, fp_cmp.
4171 (insn_class, dfp_comp, any_fp_comp): Update.
4172 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4173 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4174 (muldf3_i): Likewise.
4175 (movsi_i): Split rI08 alternative into two separate alternatives.
4177 (movsi_ie, movsi_i_lowpart): Likewise.
4178 (movqi_i): Split ri alternative into two separate alternatives.
4180 * sh1.md (sh1_load_store, sh1_fp): Update.
4181 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4182 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4183 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4184 (sh4a_fp_double_arith): Likewise.
4185 * sh4-300.md: New file.
4186 * sh.c (sh_handle_option): Handle m4-300* options.
4187 (sh_adjust_cost): Fix latency of auto-increments.
4188 Handle SH4-300 differently than other SH4s. Check for new insn types.
4189 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4190 been set by an option.
4191 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4192 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4193 (mbranch-cost=): Likewise.
4194 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4196 * sh.md (mulsf3): Remove special expansion code.
4197 (mulsf3_ie): Now a define_insn_and_split.
4198 (macsf3): Allow for TARGET_SH4.
4200 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4201 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4202 (expand_cbranchdi4): Likewise.
4203 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4204 CONST_DOUBLE if the outer code is COMPARE.
4205 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4206 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4207 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4208 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4209 Remove redundant fp_{zero,one}_operand checks.
4210 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4211 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4212 (expand_cbranchdi4): Likewise.
4213 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4214 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4216 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4218 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4221 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4223 * doc/invoke.texi: Fix mfp-trap-mode typo.
4225 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4227 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4228 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4229 file_end_indicate_exec_stack.
4230 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4232 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4233 for a non-executable stack.
4234 * crti.asm: Likewise.
4235 * crtn.asm: Likewise.
4236 * libunwind.S: Likewise.
4238 2006-11-02 Ben Elliston <bje@au.ibm.com>
4240 * tree-ssa.c (warn_uninit): Use expand_location variables for
4241 locus and declaration locus.
4243 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4246 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4247 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4248 cmp{eq,gt,gtu}{si,di}_media.
4249 (*cmpne0si_media): Remove.
4250 (*movsicc_umin): Adjust gen_cmp*_media call.
4251 (unordered): Change the mode of unordered and operands[1] to
4253 (seq): Adjust gen_cmp*_media calls. Make the mode of
4254 a temporary result of compare SImode if needed. If the mode
4255 of operands[0] is DImode, extend the temporary result to DImode.
4256 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4257 (sunorderd): Change the mode of match_operand and unorderd to
4259 (cmpeq{sf,df}_media): Remove.
4260 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4261 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4262 and compare operation to SImode.
4264 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4266 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4268 (sparc64-sun-solaris2*): Likewise.
4270 2006-11-02 Paul Brook <paul@codesourcery.com>
4272 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4273 from priority argument. Use different section for non-default
4275 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4277 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4280 * except.c (switch_to_exception_section): Do not cache the section
4281 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4282 and flag_function_sections is set.
4284 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4287 * builtins.c (do_mpfr_sincos): New.
4288 (fold_builtin_1): Use it to fold builtin sincos.
4290 2006-11-01 Roger Sayle <roger@eyesopen.com>
4292 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4293 it into -D_REENTRANT.
4295 2006-11-01 Roger Sayle <roger@eyesopen.com>
4297 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4298 whether the assembler supports taking the difference of symbols in
4299 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4300 * configure: Regenerate.
4301 * config.in: Regenerate.
4302 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4303 the assembler doesn't support taking the difference of symbols in
4304 different sections, i.e. we're using the native solaris assembler.
4306 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4307 Peter Bergner <bergner@vnet.ibm.com>
4309 * doc/invoke.texi: Add cpu_type power6x
4310 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4311 * config.gcc: Add cpu_type power6x.
4312 * configure.ac: Add test for mf{t,f}gpr instructions.
4313 (HAVE_AS_MFPGPR): New.
4314 * config.in: Regenerate.
4315 * configure: Regenerate.
4316 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4317 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4318 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4319 and mftgpr attributes.
4320 (define_attr "cpu"): Add power6.
4321 Change instruction sequences to use new attributes.
4322 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4323 (fix_truncdfsi2_mfpgpr): New.
4324 (floatsidf_ppc64_mfpgpr): New.
4325 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4326 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4327 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4328 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4329 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4330 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4331 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4332 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4333 cntlz,exts and var_delayed_compare.
4334 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4335 _ARCH_PWR6X, if features enabled.
4336 * config/rs6000/rs6000.opt (mmfpgpr): New.
4337 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4338 (cached_can_issue_more): New variable.
4339 (processor_costs): Add power6_cost.
4340 (rs6000_sched_init): New function.
4341 (is_dispatch_slot_restricted): Deleted.
4342 (set_to_load_agen): New function.
4343 (is_load_insn,is_store_insn): New functions.
4344 (adjacent_mem_locations): New function.
4345 (insn_must_be_first_in_group): New function.
4346 (insn_must_be_last_in_group): New function.
4347 (rs6000_sched_reorder): New function.
4348 (rs6000_sched_reorder2): New function.
4349 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4350 TARGET_SCHED_REORDER2): Define.
4351 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4352 Add power6x. Add MASK_MFPGPR for power6x.
4353 (POWERPC_MASKS): Add MASK_MFPGPR.
4354 (rs6000_override_options): Set rs6000_always_hint to false
4355 for power6. Set rs6000_align_branch_targets. Replace
4356 rs6000_sched_groups check with rs6000_align_branch_targets.
4357 Use PROCESSOR_POWER6.
4358 (last_scheduled_insn): New variable.
4359 (load_store_pendulum): New variable.
4360 (rs6000_variable_issue): Set last_scheduled_insn and
4361 cached_can_issue_more.
4362 (rs6000_adjust_cost): Add power6 cost adjustments.
4363 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4364 with insn_must_be_first_in_group. Add power6 priority adjustments.
4365 (rs6000_issue_rate): Add CPU_POWER6.
4366 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4367 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4368 (TARGET_MFPGPR): New.
4369 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4370 (ASM_CPU_SPEC): Add power6x.
4371 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4373 * config/rs6000/power6.md: New file.
4375 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4377 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4378 HOST_WIDE_INT_PRINT to print high and low parts. Use
4379 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4380 printing a hexadecimal number prefix it with 0x.
4382 2006-11-01 Chris Johns <chris@contemporary.net.au>
4385 * Makefile.in (install-driver): Use exeext when installing
4386 $target-gcc-$version.
4388 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4390 * c-common.c (flag_cpp0x): New.
4391 * c-common.h (flag_cpp0x): New.
4392 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4393 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4394 * c-opts.c (set_std_cxx0x): New.
4395 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4396 * c.opt (std=c++0x): Document.
4397 (std=gnu++0x): Ditto.
4398 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4399 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4401 2006-11-01 Richard Guenther <rguenther@suse.de>
4403 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4405 (ix86_expand_floorceildf_32): Likewise.
4406 (ix86_expand_floorceil): Likewise.
4407 (ix86_expand_trunc): Likewise.
4409 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4411 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4414 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4416 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4418 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4420 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4422 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4423 * configure.ac (use_cxa_atexit): As a special case, don't test
4424 for libc definition of __cxa_atexit on mingw32
4425 * configure: Regenerate.
4426 * config.gcc (i[34567]86-pc-mingw32): Default to
4427 enable__cxa_atexit=yes.
4429 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4431 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4433 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4436 * c-decl.c (start_struct): Don't create self-containing
4438 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4440 * config/rs6000/rs6000-protos.h
4441 (darwin_rs6000_special_round_type_align): New.
4442 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4443 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4445 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4447 * toplev.c (compile_file): Call final_write_globals
4448 even if there have been errors.
4450 2006-10-31 Eric Christopher <echristo@apple.com>
4451 Falk Hueffner <falk@debian.org>
4453 * doc/extend.texi (__builtin_bswap32): Document.
4454 (__builtin_bswap64): Ditto.
4455 * doc/libgcc.texi (bswapsi2): Document.
4457 * doc/rtl.texi (bswap): Document.
4458 * optabs.c (expand_unop): Don't widen a bswap.
4459 (init_optabs): Init bswap. Set libfuncs explicitly
4460 for bswapsi2 and bswapdi2.
4461 * optabs.h (OTI_bswap): New.
4462 (bswap_optab): Ditto.
4463 * genopinit.c (optabs): Handle bswap_optab.
4464 * tree.h (tree_index): Add TI_UINT32_TYPE and
4466 (uint32_type_node): New.
4467 (uint64_type_node): Ditto.
4468 * tree.c (build_common_tree_nodes_2): Initialize
4469 uint32_type_node and uint64_type_node.
4470 * builtins.c (expand_builtin_bswap): New.
4471 (expand_builtin): Call.
4472 (fold_builtin_bswap): New.
4473 (fold_builtin_1): Call.
4474 * fold-const.c (tree_expr_nonnegative_p): Return true
4476 * builtin-types.def (BT_UINT32): New.
4478 (BT_FN_UINT32_UINT32): Ditto.
4479 (BT_FN_UINT64_UINT64): Ditto.
4480 * builtins.def (BUILT_IN_BSWAP32): New.
4481 (BUILT_IN_BSWAP64): Ditto.
4482 * rtl.def (BSWAP): New.
4483 * genattrtab.c (check_attr_value): New.
4484 * libgcc2.c (__bswapSI2): New.
4485 (__bswapDI2): Ditto.
4486 * libgcc2.h (__bswapSI2): Declare.
4487 (__bswapDI2): Ditto.
4488 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4489 * simplify-rtx.c (simplify_const_unary_operation): Return
4491 * libgcc-std.ver (__bwapsi2): Add.
4492 (__bswapdi2): Ditto.
4493 * reload1.c (eliminate_regs_1): Add bswap.
4494 (elimination_effects): Ditto.
4495 * config/i386/i386.h (x86_bswap): New.
4496 (TARGET_BSWAP): Use.
4497 * config/i386/i386.c (x86_bswap): Set.
4499 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4501 * coverage.c (coverage_checksum_string): Update comment.
4502 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4503 of get_file_function_name.
4504 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4505 of get_file_function_name_long.
4506 * tree.c (get_file_function_name): Rename from
4507 get_file_function_name_long; improve comment; handle 'I' and 'D'
4508 specially when the target has ctor/dtor support; remove special
4510 (get_file_function_name): Remove.
4511 * tree.h (get_file_function_name): Rename from
4512 get_file_function_name_long.
4513 (get_file_function_name): Remove prototype.
4515 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4517 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4518 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4520 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4521 Call dsymutil when compiling and linking one or more source files
4524 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4527 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4529 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4531 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4532 inline static functions in c99 mode.
4535 * doc/extend.texi (Inline): Update.
4536 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4537 * c-decl.c (current_extern_inline): Delete.
4538 (pop_scope): Adjust test for an undefined nested function.
4539 Add warning about undeclared inline function.
4540 (diagnose_mismatched_decls): Update comments. Disallow overriding
4541 of inline functions in a translation unit in C99. Allow inline
4542 declarations in C99 at any time.
4543 (merge_decls): Boolize variables. Handle C99 'extern inline'
4545 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4546 C99 inline semantics.
4547 (start_function): Don't clear current_extern_inline. Don't set
4549 (c_push_function_context): Don't push current_extern_inline.
4550 (c_pop_function_context): Don't restore current_extern_inline.
4553 * c-typeck.c (build_external_ref): Warn about static variables
4554 used in extern inline functions.
4555 * c-decl.c (start_decl): Warn about static variables declared
4556 in extern inline functions.
4558 2006-10-31 Roger Sayle <roger@eyesopen.com>
4561 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4562 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4563 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4564 or y is an even integer.
4566 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4569 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4570 * gthr-posix95.h (__gthread_active_p): Likewise.
4572 2006-10-31 Richard Guenther <rguenther@suse.de>
4574 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4575 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4576 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4577 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4578 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4579 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4580 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4581 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4584 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4586 * opts.c (decode_options): Disable CSE skip blocks.
4588 2006-10-30 Dirk Mueller <dmueller@suse.de>
4590 * c-common.h (strict_aliasing_warning): Fix whitespace.
4591 * c-decl (start_function): Move code for main decl warning ..
4592 * c-common.c (check_main_parameter_types): .. here.
4593 * c-common.h (check_main_parameter_types): Declare.
4595 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4598 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4600 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4602 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4603 be a PARALLEL containing sets. Return false when out_pat is not
4606 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4608 * config/mips/mips.md (mul<mode>3): Split into...
4609 (mulsi3, muldi3): ...these separate patterns.
4611 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4613 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4614 but with each set of options separated by spaces.
4616 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4618 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4619 dwarf_reg_size_table has been initialized.
4621 2006-10-30 Roger Sayle <roger@eyesopen.com>
4623 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4624 * ddg.c (print_ddg_edge): Likewise.
4625 * dwarf2out.c (prune_unused_types_walk): Likewise.
4626 * ifcvt.c (noce_try_cmove_arith): Likewise.
4627 * langhooks.c (add_builtin_function): Likewise.
4628 * reg-stack.c (subst_stack_regs_pat): Likewise.
4629 * tree.c (expanded_location): Likewise.
4630 * tree-dump.c (dequeue_and_dump): Likewise.
4632 2006-10-30 David Daney <ddaney@avtrex.com>
4634 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4636 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4638 PR tree-optimization/29637
4639 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4640 of the innertype is the innertype itself.
4642 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4644 * dwarf2out.c (file_name_acquire): Correct typo.
4646 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4648 * tree.h (tree_value_handle): Remove struct value_set declaration.
4649 Change value_set to bitmap_set.
4650 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4651 * tree-vn.c (get_value_handle): Made inline and moved to
4653 * tree-flow-inline.h: (has_stmt_ann): New function.
4654 * tree-ssa-pre.c (expressions): New variable.
4655 (next_expression_id): Ditto.
4656 (alloc_expression_id): New function.
4657 (struct value_set): Remove.
4658 (get_expression_id): New function.
4659 (get_or_alloc_expression_id): Ditto.
4660 (expression_for_id): Ditto.
4661 (clear_expression_ids): Ditto.
4662 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4663 (bb_value_sets): Renamed to bb_bitmap_sets.
4664 All value sets replaced with bitmap_sets.
4666 (BB_VISITED): New macro.
4667 (postorder): New variable.
4668 (add_to_value): Removed.
4669 (value_exists_in_set_bitmap): Ditto.
4670 (value_insert_into_set_bitmap): Ditto.
4673 (set_remove): Ditto.
4674 (set_contains_value): Ditto.
4675 (insert_into_set): Ditto.
4677 (find_leader): Ditto.
4678 (bitmap_set_subtract_from_value_set): Ditto.
4679 (value_insert_into_set): Ditto.
4680 (print_value_set): Ditto.
4681 (debug_value_set): Ditto.
4682 (constant_expr_p): New function.
4683 (bitmap_remove_from_set): Ditto.
4684 (bitmap_insert_into_set): Ditto.
4685 (bitmap_set_free): Ditto.
4686 (vh_compare): Ditto.
4687 (sorted_array_from_bitmap_set): Ditto.
4688 (bitmap_set_subtract): Ditto.
4689 (bitmap_set_equal): Ditto.
4690 (debug_bitmap_set): Ditto.
4691 (find_leader_in_sets): Ditto.
4692 (bitmap_set_replace_value): Modify for bitmapped sets.
4693 (phi_translate): Ditto.
4694 (phi_translate_set): Ditto.
4695 (bitmap_find_leader): Ditto.
4696 (valid_in_sets): Ditto.
4697 (union_contains_value): Ditto.
4699 (compute_antic_aux): Ditto. Mark changed blocks.
4700 (compute_antic): Ditto. Iterate in postorder and only over
4702 (compute_rvuse_and_antic_safe): Reuse postorder.
4703 (create_component_ref_by_pieces): Modify for bitmapped sets.
4704 (find_or_generate_expression): Ditto.
4705 (create_expression_by_pieces): Ditto.
4706 (insert_into_preds_of_block): Ditto.
4707 (changed_blocks): New variable.
4708 (do_regular_insertion): Broken out from insert_aux.
4709 (insert_aux): Modified for bitmapped sets.
4710 (find_existing_value_expr): New function.
4711 (create_value_expr_from): Use it.
4712 (insert_extra_phis): Removed.
4713 (print_bitmap_set): Renamed from bitmap_print_value_set.
4714 (compute_avail): Handle RETURN_EXPR.
4715 (init_pre): Modify for bitmapped sets.
4716 * tree-flow.h (has_stmt_ann): New function.
4718 2006-10-29 Roger Sayle <roger@eyesopen.com>
4720 * builtins.c (fold_builtin_floor): Check for the availability of
4721 the C99 trunc function before transforming floor into trunc.
4723 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4725 * builtins.c (fold_builtin_hypot): Rearrange recursive
4726 transformation before others, and also do ABS_EXPR. When
4727 necessary, check flag_unsafe_math_optimizations. When necessary,
4730 2006-10-29 Roger Sayle <roger@eyesopen.com>
4732 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4733 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4734 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4735 Fold -X eq/ne -Y as X eq/ne Y.
4737 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4739 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4740 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4741 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4742 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4743 Use an inclusive test for "mult" rather than "mul".
4744 (rotr<mode>3): Depend on ISA_HAS_ROR.
4745 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4747 (GENERATE_MULT3_DI): Delete.
4748 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4749 (ISA_HAS_MUL3): New macro.
4750 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4751 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4752 (ISA_HAS_CLZ_CLO): Likewise.
4753 (ISA_HAS_DCLZ_DCLO): Delete.
4754 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4755 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4756 the VR4120 and VR4130.
4757 (ISA_HAS_MACCHI): Use consistent formatting.
4758 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4759 (ISA_HAS_ROR): ...this new macro.
4760 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4761 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4762 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4764 2006-10-29 Roger Sayle <roger@eyesopen.com>
4766 PR tree-optimization/15458
4767 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4770 2006-10-29 Richard Guenther <rguenther@suse.de>
4772 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4773 (ix86_expand_truncdf_32): Likewise.
4774 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4775 trunc inline for SSE math and -fno-trapping-math and if not
4776 optimizing for size.
4777 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4778 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4779 for expanding btrunc inline for SSE math.
4781 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4783 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4784 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4785 i[34567]86-*-solaris2.1[0-9]*.
4786 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4787 Define conditionally depending on TARGET_64BIT_DEFAULT.
4788 (SPEC_32, SPEC_64): Define.
4789 (LINK_SPEC): Use them.
4790 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4792 2006-10-29 Richard Guenther <rguenther@suse.de>
4794 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4795 (ix86_expand_rounddf_32): Likewise.
4796 * config/i386/i386.c (ix86_expand_round): New function expanding
4797 round inline for SSE math and -fno-trapping-math and if not
4798 optimizing for size.
4799 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4800 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4801 round via ix86_expand_round.
4803 2006-10-29 Richard Guenther <rguenther@suse.de>
4805 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4806 (ix86_expand_floorceildf_32): Likewise.
4807 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4808 static helper function.
4809 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4811 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4812 * config/i386/i386.md (floordf2): Adjust to enable floor
4813 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4814 -fno-trapping-math is enabled and if not optimizing for size.
4815 (floorsf2, ceildf2, ceilsf2): Likewise.
4816 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4817 (sse2_maskcmpdf3): Likewise.
4819 2006-10-29 Richard Guenther <rguenther@suse.de>
4821 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4822 rint in case -fno-trapping-math is enabled.
4823 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4824 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4825 (ix86_expand_sse_fabs): Likewise.
4826 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4827 * config/i386/i386.md (rintdf2): Enable for SSE math if
4828 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4829 (rintsf2): Likewise.
4831 2006-10-29 Richard Guenther <rguenther@suse.de>
4833 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4834 to conversion optabs.
4835 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4836 as conversion optab.
4837 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4838 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4839 (lfloor_optab, lceil_optab): Adjust defines.
4840 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4841 lfloor and lceil optabs now being conversion optabs.
4842 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4843 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4844 New static helper function.
4845 (ix86_expand_lfloorceil): New function to expand lfloor and
4847 * config/i386/i386.md (lfloor<mode>2): Split into ...
4848 (lfloorxf<mode>2): ... x87 variant
4849 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4850 using ix86_expand_lfloorceil.
4851 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4853 * doc/md.texi (lfloorMN, lceilMN): Document.
4855 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4857 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4858 -mno-shared assembler option on mips targets.
4859 * configure, config.in: Regenerate.
4860 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4861 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4862 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4864 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4866 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4867 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4869 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4871 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4872 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4875 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4878 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4879 (fold_builtin_pow): Evaluate constant arguments at compile-time
4881 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4882 (do_mpfr_ckconv): New helper function.
4883 (do_mpfr_arg1): Use do_mpfr_ckconv.
4884 (do_mpfr_arg2): New.
4886 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4889 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4890 (-fdump-rtl-sched): Rename to ..
4891 (-fdump-rtl-sched1): here. Also fix file extension number.
4893 2006-10-28 Richard Guenther <rguenther@suse.de>
4895 * fold-const.c (maybe_canonicalize_comparison): Fix code
4898 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4900 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4901 (NON_QI_REG_P): Use IN_RANGE.
4902 (REX_INT_REGNO_P): Use IN_RANGE.
4903 (FP_REGNO_P): Use IN_RANGE.
4904 (SSE_REGNO_P): Use IN_RANGE.
4905 (REX_SSE_REGNO_P): Use IN_RANGE.
4906 (MMX_REGNO_P): Use IN_RANGE.
4907 (STACK_REGNO_P): New macro.
4908 (STACK_REG_P): Use STACK_REGNO_P.
4909 (NON_STACK_REG_P): Use STACK_REGNO_P.
4910 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4911 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4912 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4913 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4914 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4916 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4918 * except.h (output_function_exception_table): Add 'const char*' param.
4919 * except.c (switch_to_exception_section): Add 'const char*' param.
4920 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4921 and flag_function_sections is set, use a function-specific section.
4922 (output_function_exception_table): Add 'const char*' param.
4923 Adjust call to switch_to_exception_section.
4924 * final.c (rest_of_handle_final): Adjust calls to
4925 output_function_exception_table.
4926 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4927 * config.in: Regenerate.
4928 * configure: Likewise.
4930 2006-10-28 Richard Guenther <rguenther@suse.de>
4933 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4934 for maybe_canonicalize_comparison.
4935 (maybe_canonicalize_comparison): New function for canonicalizing
4937 (fold_comparison): Call it to canonicalize comparisons with
4940 2006-10-28 Richard Guenther <rguenther@suse.de>
4943 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4944 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4945 (expand_builtin): Adjust likewise.
4946 * genopinit.c (optabs[]): Add lround optab.
4947 * optabs.c (init_optabs): Initialize lround_optab.
4948 * optabs.h (enum convert_optab_index): Add COI_lround.
4949 (lround_optab): Define.
4950 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4951 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4953 (ix86_expand_lround): New function.
4954 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4956 * doc/md.texi (lroundMN2): Document.
4958 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4961 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4962 argument to HOST_WIDE_INT. Update function prototype.
4963 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4964 "size" argument to HOST_WIDE_INT. Update function prototype.
4966 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4968 * config/i386/i386.c (output_387_ffreep): Create output from a
4969 template string for !HAVE_AS_IX86_FFREEP.
4971 2006-10-27 Eric Christopher <echristo@apple.com>
4973 * config/darwin.c: Fix formatting and grammar.
4975 2006-10-27 Jan Hubicka <jh@suse.cz>
4977 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4978 to be thrown away soon when IGNORE is set.
4979 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4980 indicating when return value shall not be computed.
4981 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4983 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4985 * config/i386/i386.h (TARGET_GEODE):
4986 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4987 (TARGET_CPU_DEFAULT_geode): New macro.
4988 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4989 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4990 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4991 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4992 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4994 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4995 (processor_type): Add PROCESSOR_GEODE.
4997 * config/i386/i386.md: Include geode.md.
5000 * config/i386/i386.c (geode_cost): New initialized global
5002 (m_GEODE, m_K6_GEODE): New macros.
5003 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5004 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5005 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5006 x86_schedule): Use m_K6_GEODE instead of m_K6.
5007 (x86_movx, x86_cmove): Set up m_GEODE.
5008 (x86_integer_DFmode_moves): Clear m_GEODE.
5009 (processor_target_table): Add entry for geode.
5010 (processor_alias_table): Ditto.
5012 * config/i386/geode.md: New file.
5014 * doc/invoke.texi: Add entry about geode processor.
5016 2006-10-27 Mike Stump <mrs@apple.com>
5018 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5019 __DYNAMIC__ from here back to ...
5020 * config/darwin.h (CPP_SPEC): ... here.
5022 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5023 Nathan Sidwell <nathan@codesourcery.com>
5025 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5026 when choosing the minimum heapsize.
5028 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5030 * gcc/unwind-dw2.h: Move cfa-related variables into
5031 struct frame_state_reg_info to ensure that the CFA is properly
5032 handled when executing DW_CFA_{remember,restore}_state.
5033 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5034 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5035 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5036 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5037 gcc/config/rs6000/linux-unwind.h,
5038 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5039 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5040 Modify to use new cfa_* fields.
5042 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5044 * config/s390/s390.c (s390_init_frame_layout): Check positive
5047 2006-10-26 Ben Elliston <bje@au.ibm.com>
5049 * gimplify.c (get_name): Remove extraneous break.
5050 (gimplify_omp_for): Initialise ret with GS_OK.
5052 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5054 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5055 Add unix98.o to link line.
5057 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5060 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5061 Calculate compile-time constants using MPFR.
5062 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5063 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5065 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5067 * config/xtensa/lib2funcs.S: Use C-style comments.
5069 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5071 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5072 (file_table_relative_p): Likewise.
5073 (dwarf2out_finish): Likewise.
5074 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5076 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5078 * tree-ssa-structalias.c (intra_create_variable_infos):
5079 Don't recreate nonlocal_all if it already exists.
5081 2006-10-25 Richard Guenther <rguenther@suse.de>
5084 * optabs.h (enum optab_index): Remove OTI_lrint.
5085 (enum convert_optab_index): Add COI_lrint.
5086 (lrint_optab): Adjust.
5087 (expand_sfix_optab): Declare.
5088 * optabs.c (expand_sfix_optab): New function.
5089 (init_optabs): Init lrint_optab as conversion optab.
5090 * genopinit.c (lrint_optab): Change to a conversion optab.
5091 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5092 expansion via conversion optab.
5093 * config/i386/i386.md (*fistdi2_1): Remove
5094 flag_unsafe_math_optimizations guard.
5095 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5096 fist<mode>2_with_temp): Likewise.
5097 (lrint<mode>2): Split into...
5098 (lrintxf<mode>2): ... x87 part
5099 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5100 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5101 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5102 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5103 * doc/md.texi (lrintMN2): Document.
5105 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5108 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5109 Use inc and dec instructions for TARGET_USE_INCDEC.
5110 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5111 ("sync_double_compare_and_swap<mode>"): Likewise.
5112 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5113 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5114 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5115 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5116 ("sync_old_add<mode>"): Likewise.
5117 ("sync_lock_test_and_set<mode>"): Likewise.
5118 ("sync_lock_test_and_set<mode>"): Likewise.
5119 ("sync_add<mode>"): Likewise.
5120 ("sync_sub<mode>"): Likewise.
5121 ("sync_ior<mode>"): Likewise.
5122 ("sync_and<mode>"): Likewise.
5123 ("sync_xor<mode>"): Likewise.
5125 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5127 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5128 (remainder_optab): Define corresponding macro.
5129 (drem_optab): Remove.
5130 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5131 drem_optab initialization.
5132 * genopinit.c (optabs): Implement remainder_optab using
5133 remainder?f3 patterns. Remove drem_optab.
5134 * builtins.c (expand_builtin_mathfn_2): Handle
5135 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5136 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5137 expand_builtin_mathfn_2.
5139 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5140 depend on flag_unsafe_math_optimizations.
5142 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5143 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5144 Do not depend on flag_unsafe_math_optimizations. Use
5145 truncxf?f expander instead of truncxf?f_i387_noop.
5147 ("fpremxf4", "fprem1xf4"): Do not depend on
5148 flag_unsafe_math_optimizations.
5149 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5150 flag_unsafe_math_optimizations. Use truncxf?f expander
5151 instead of truncxf?f_i387_noop.
5153 * doc/md.texi (fmod, remainder): Document standard named pattern.
5155 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5156 David Daney <ddaney@avtrex.com>
5159 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5161 2006-10-25 Ben Elliston <bje@au.ibm.com>
5163 * doc/extend.texi (Variable Attributes): Typo fix.
5165 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5167 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5168 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5169 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5170 (FRAME_POINTER_REGNUM): Update register number to 21.
5171 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5172 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5174 * config/i386/i386.c (regclass_map): Add fpcr entry.
5175 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5177 (print_reg): Assert REGNO (x) != FPCR_REG.
5179 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5180 (DIRFLAG_REG): Renumber.
5181 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5182 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5183 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5184 hardcoded SSE register numbers.
5186 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5187 hardcoded MMX register numbers.
5189 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5192 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5193 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5195 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5196 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5197 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5198 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5200 2006-10-24 Richard Guenther <rguenther@suse.de>
5203 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5204 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5205 for deciding optimizations in consistency with fold-const.c
5206 (fold_builtin_unordered_cmp): Likewise.
5208 2006-10-24 Richard Guenther <rguenther@suse.de>
5210 * builtins.c (fold_builtin_floor): Fold floor (x) where
5211 x is nonnegative to trunc (x).
5212 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5213 nonnegative to FIX_TRUNC_EXPR.
5215 2006-10-24 Richard Guenther <rguenther@suse.de>
5217 PR tree-optimization/29567
5218 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5219 for TRUTH_NOT_EXPR. Clarify comments.
5221 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5224 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5225 at compile-time using MPFR. Change parameter VALUE to FUNC,
5227 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5228 for overflow and underflow at all times and avoid folding in
5231 2006-10-24 Ben Elliston <bje@au.ibm.com>
5233 * reload1.c: Formatting fixes.
5235 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5237 PR tree-optimization/14784
5238 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5239 * tree-ssa-structalias.c (get_constraint_for,
5240 intra_create_variable_infos): Set is_heapvar.
5241 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5242 non-heapvar pointer variables specially.
5244 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5247 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5248 fold_builtin_tan): Fold all constant arguments. Take a "type"
5249 argument as necessary.
5250 (do_mpfr_arg1): New.
5251 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5253 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5255 * config/xtensa/lib1funcs.asm: Use C-style comments.
5257 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5259 * tree.c (local_define_builtin): Replace calls to
5260 lang_hooks.builtin_function with add_builtin_function.
5261 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5263 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5265 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5266 common code to add_builtin_function.
5267 * langhooks.c (add_builtin_function): New function.
5268 (lhd_builtin_function): New function.
5269 * langhooks.h (struct lang_hooks): Change the signature of
5271 (add_builtin_function): New function.
5272 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5273 calls to lang_hooks.builtin_function with add_builtin_function.
5274 * c-common.c (decl_builtin_1): Replace calls to
5275 lang_hooks.builtin_function with add_builtin_function.
5276 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5277 lang_hooks.builtin_function with add_builtin_function.
5278 * config/frv/frv.c (def_builtin): Replace calls to
5279 lang_hooks.builtin_function with add_builtin_function.
5280 * config/s390/s390.c (s390_init_builtins): Replace calls to
5281 lang_hooks.builtin_function with add_builtin_function.
5282 * config/sparc/sparc.c (def_builtin): Replace calls to
5283 lang_hooks.builtin_function with add_builtin_function.
5284 * config/i386/i386.c (def_builtin): Replace calls to
5285 lang_hooks.builtin_function with add_builtin_function.
5286 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5287 lang_hooks.builtin_function with add_builtin_function.
5288 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5289 lang_hooks.builtin_function with add_builtin_function.
5290 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5291 Replace calls to lang_hooks.builtin_function with
5292 add_builtin_function.
5293 * config/iq2000/iq2000.c (def_builtin):
5294 Replace calls to lang_hooks.builtin_function with
5295 add_builtin_function.
5296 * config/ia64/ia64.c (def_builtin): Replace calls to
5297 lang_hooks.builtin_function with add_builtin_function.
5298 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5299 lang_hooks.builtin_function with add_builtin_function.
5300 (altivec_init_builtins): Replace calls to
5301 lang_hooks.builtin_function with add_builtin_function.
5302 * config/arm/arm.c (def_mbuiltin): Replace calls to
5303 lang_hooks.builtin_function with add_builtin_function.
5304 (arm_init_tls_builtins): Replace calls to
5305 lang_hooks.builtin_function with add_builtin_function.
5306 * config/mips/mips.c (mips_init_builtins): Replace calls to
5307 lang_hooks.builtin_function with add_builtin_function.
5308 * config/bfin/bfin.c (def_builtin): Replace calls to
5309 lang_hooks.builtin_function with add_builtin_function.
5310 * langhooks-def.h (lhd_builtin_function): New function.
5311 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5313 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5315 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5316 BUILT_IN_STRNCAT_CHK.
5318 2006-10-23 Jan Hubicka <jh@suse.cz>
5320 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5321 don't do conversion from memmove to memcpy here.
5322 (expand_builtin_bcopy, expand_builtin): Update call of
5323 expand_builtin_memmove.
5324 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5326 2006-10-23 Paul Brook <paul@codesourcery.com>
5328 * stor-layout.c (start_record_layout): maximum_field_alignment
5329 overrides STRUCTURE_SIZE_BOUNDARY.
5331 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5333 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5334 nonlocal function symbols if flag_pic.
5336 2006-10-23 Richard Guenther <rguenther@suse.de>
5340 * builtins.c (fold_binary): Remove checks for flag_wrapv
5341 and flag_trapv where negate_expr_p covers these cases.
5343 2006-10-23 Richard Guenther <rguenther@suse.de>
5346 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5347 of two on the absolute value.
5348 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5349 and negating -C does not overflow.
5351 2006-10-23 Richard Guenther <rguenther@suse.de>
5354 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5355 only if not flag_rounding_math.
5357 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5358 Kaz Kojima <kkojima@gcc.gnu.org>
5361 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5362 SImode memory reference for the source of a movua.
5363 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5364 (movua): Use an unspec instead of sign_extract. Expect the source
5365 to have mode BLKmode.
5366 (extv, insv): Use a BLKmode rather than SImode memory reference
5367 for the source of a movua.
5369 2006-10-22 Jeff Law <law@redhat.com>
5370 Richard Guenther <rguenther@suse.de>
5372 PR tree-optimization/15911
5373 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5374 (register_edge_assert_for_1): Likewise.
5375 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5376 (find_conditional_asserts): Adjust for new function signature.
5377 (find_assert_locations): Likewise.
5379 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5381 * config/i386/tmmintrin.h: Remove the duplicated content.
5383 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5385 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5386 (x86_64-*-*): Likewise.
5388 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5389 (override_options): Check SSSE3.
5390 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5391 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5392 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5393 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5394 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5395 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5396 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5397 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5398 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5399 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5400 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5401 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5402 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5403 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5404 IX86_BUILTIN_PABSD128.
5405 (bdesc_2arg): Add SSSE3.
5406 (bdesc_1arg): Likewise.
5407 (ix86_init_mmx_sse_builtins): Support SSSE3.
5408 (ix86_expand_builtin): Likewise.
5409 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5411 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5412 (UNSPEC_PSIGN): Likewise.
5413 (UNSPEC_PALIGNR): Likewise.
5414 Include mmx.md before sse.md.
5416 * config/i386/i386.opt: Add -mssse3.
5418 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5419 (ssse3_phaddwv4hi3): Likewise.
5420 (ssse3_phadddv4si3): Likewise.
5421 (ssse3_phadddv2si3): Likewise.
5422 (ssse3_phaddswv8hi3): Likewise.
5423 (ssse3_phaddswv4hi3): Likewise.
5424 (ssse3_phsubwv8hi3): Likewise.
5425 (ssse3_phsubwv4hi3): Likewise.
5426 (ssse3_phsubdv4si3): Likewise.
5427 (ssse3_phsubdv2si3): Likewise.
5428 (ssse3_phsubswv8hi3): Likewise.
5429 (ssse3_phsubswv4hi3): Likewise.
5430 (ssse3_pmaddubswv8hi3): Likewise.
5431 (ssse3_pmaddubswv4hi3): Likewise.
5432 (ssse3_pmulhrswv8hi3): Likewise.
5433 (ssse3_pmulhrswv4hi3): Likewise.
5434 (ssse3_pshufbv16qi3): Likewise.
5435 (ssse3_pshufbv8qi3): Likewise.
5436 (ssse3_psign<mode>3): Likewise.
5437 (ssse3_psign<mode>3): Likewise.
5438 (ssse3_palignrti): Likewise.
5439 (ssse3_palignrdi): Likewise.
5440 (abs<mode>2): Likewise.
5441 (abs<mode>2): Likewise.
5443 * config/i386/tmmintrin.h: New file.
5445 * doc/extend.texi: Document SSSE3 built-in functions.
5447 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5449 2006-10-22 Ira Rosen <irar@il.ibm.com>
5451 * tree-vect-transform.c (vectorizable_load): Use the type of the
5452 return value of the mask_for_load builtin to create realign_load
5455 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5457 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5460 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5462 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5463 (UNSPEC_LDDQU): This.
5464 * config/i386/sse.md (sse3_lddqu): Updated.
5466 2006-10-21 Richard Guenther <rguenther@suse.de>
5468 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5469 (expand_builtin): Use it to expand lrint instead of
5470 expand_builtin_mathfn.
5472 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5475 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5476 flag_unsafe_math_optimizations is set.
5478 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5481 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5482 patterns to use memory input operand in x87->mem->XMM
5483 reload sequences. Skip transformation for TARGET_K8.
5485 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5487 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5488 force operand1 to register if both operands are memory operands.
5489 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5490 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5491 if both operands are memory operands.
5492 (truncdfsf2): Do not force operand1 to register if both operands
5493 are memory operands.
5495 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5497 * Makefile.in (LIBS): Add $(GMPLIBS).
5498 * doc/install.texi: Update GMP and MPFR requirements.
5499 * doc/sourcebuild.texi (need_gmp): Delete.
5501 2006-10-21 Richard Guenther <rguenther@suse.de>
5503 PR tree-optimization/3511
5504 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5505 got new invariant arguments during PHI translation.
5507 2006-10-21 Richard Guenther <rguenther@suse.de>
5510 * fold-const.c (fold_comparison): Fold signed comparisons
5511 of the form X +- C1 CMP Y +- C2.
5513 2006-10-21 Richard Guenther <rguenther@suse.de>
5516 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5517 if flag_unsafe_math_optimizations is specified. We have
5518 flag_finite_math_only for that.
5519 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5520 or flag_unsafe_math_optimizations.
5522 2006-10-21 Richard Guenther <rguenther@suse.de>
5524 * builtins.c (fold_builtin_classify): Fix typo.
5526 2006-10-21 Richard Guenther <rguenther@suse.de>
5529 * simplify-rtx.c (simplify_const_relational_operation):
5530 Do not constant-fold ORDERED and UNORDERED for
5531 flag_unsafe_math_optimizations but only we do not need to
5532 honor NaNs for the given mode.
5534 2006-10-21 Richard Guenther <rguenther@suse.de>
5537 * config/i386/i386.c (classify_argument): Remove redundant
5538 walking of the BINFOs.
5539 (contains_128bit_aligned_vector_p): Likewise.
5541 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5543 * BASE-VER: Set to 4.3.0.
5545 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5547 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5548 (tree_decl_with_vis): Remove artificial_pta_var flag.
5549 * tree-flow.h (referenced_var_check_and_insert): Expose.
5550 (nonlocal_all): New prototype.
5551 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5552 (nonlocal_all): Make global.
5553 (nonlocal_lookup): Remove.
5554 (nonlocal_insert): Ditto.
5555 (create_nonlocal_var): Do not call nonlocal_insert.
5556 (get_nonlocal_id_for_type): Remove.
5557 (find_global_initializers): Mark new vars we find for renaming.
5558 (intra_create_variable_infos): Only create one nonlocal.
5559 (expand_nonlocal_solutions): Remove.
5560 (compute_points_to_sets): Don't call it.
5561 (ipa_pta_execute): Ditto.
5562 (init_alias_heapvars): Don't create nonlocal_for_type.
5563 (delete_alias_heapvars): Don't remove it.
5564 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5567 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5569 * doc/install.texi (Downloading GCC): Clarify mention of
5570 Fortran in the "full distribution" description.
5572 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5574 Fix PR tree-optimization/28778
5575 Fix PR tree-optimization/29156
5576 Fix PR tree-optimization/29415
5577 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5578 (tree_decl_with_vis): Add artificial_pta_var flag.
5579 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5580 pushed into callers.
5581 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5582 (nonlocal_all): Ditto.
5583 (struct variable_info): Add directly_dereferenced member.
5584 (var_escaped_vars): New variable.
5585 (escaped_vars_tree): Ditto.
5586 (escaped_vars_id): Ditto.
5587 (nonlocal_vars_id): Ditto.
5588 (new_var_info): Set directly_dereferenced.
5589 (graph_size): New variable
5590 (build_constraint_graph): Use graph_size.
5591 (solve_graph): Don't process constraints that cannot change the
5592 solution, don't try to propagate an empty solution to our
5594 (process_constraint): Set directly_dereferenced.
5595 (could_have_pointers): New function.
5596 (get_constraint_for_component_ref): Don't process STRING_CST.
5597 (nonlocal_lookup): New function.
5598 (nonlocal_insert): Ditto.
5599 (create_nonlocal_var): Ditto.
5600 (get_nonlocal_id_for_type): Ditto.
5601 (get_constraint_for): Allow results vector to be empty in the case
5602 of string constants.
5603 Handle results of calls properly.
5604 (update_alias_info): Update alias info stats on number and type of
5606 (find_func_aliases): Use could_have_pointers.
5607 (make_constraint_from_escaped): Renamed from
5608 make_constraint_to_anything, and changed to make constraints from
5610 (make_constraint_to_escaped): New function.
5611 (find_global_initializers): Ditto.
5612 (create_variable_info_for): Make constraint from escaped to any
5613 global variable, and from any global variable to the set of
5615 (intra_create_variable_infos): Deal with escaped instead of
5616 pointing to anything.
5617 (set_uids_in_ptset): Do type pruning on directly dereferenced
5619 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5620 (init_base_vars): Fix comment, and initialize escaped_vars.
5621 (need_to_solve): Removed.
5622 (find_escape_constraints): New function.
5623 (expand_nonlocal_solutions): Ditto.
5624 (compute_points_to_sets): Call find_escape_constraints and
5625 expand_nonlocal_solutions.
5626 (delete_points_to_sets): Don't fall off the end of the graph.
5627 (init_alias_heapvars): Initialize nonlocal_for_type and
5629 (delete_alias_heapvars): Free nonlocal_for_type and null out
5632 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5634 * fold-const.c (add_double): Rename to add_double_with_sign.
5635 Add 'unsigned_p' parameter and take it into account for the overflow.
5636 (mul_double): Rename to mul_double_with_sign.
5637 Add 'unsigned_p' parameter and take it into account for the overflow.
5638 (fold_div_compare): Call add_double_with_sign instead of add_double
5639 and mul_double_with_sign instead of mul_double, passing them the
5640 unsignedness of the type.
5641 * tree.h (add_double): Macroize.
5642 (add_double_with_sign): New prototype.
5643 (mul_double): Macroize.
5644 (mul_double_with_sign): New prototype.
5646 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5648 * config/score/crti.asm: New file.
5649 * config/score/crtn.asm: New file.
5650 * config/score/elf.h: New file.
5651 * config/score/mac.md: New file.
5652 * config/score/misc.md: New file.
5653 * config/score/mul-div.S: New file.
5654 * config/score/predicates.md: New file.
5655 * config/score/score7.md: New file.
5656 * config/score/score.c: New file.
5657 * config/score/score-conv.h: New file.
5658 * config/score/score.h: New file.
5659 * config/score/score.md: New file.
5660 * config/score/score-mdaux.c: New file.
5661 * config/score/score-mdaux.h: New file.
5662 * config/score/score-modes.def: New file.
5663 * config/score/score.opt: New file.
5664 * config/score/score-protos.h: New file.
5665 * config/score/score-version.h: New file.
5666 * config/score/t-score-elf: New file.
5667 * config.gcc: Add score*-*-* configurations(Update before).
5668 * doc/invoke.texi (Score Options): New section.
5669 * doc/md.texi (Score family): New section to document constraints.
5671 2006-10-19 Nick Clifton <nickc@redhat.com>
5673 * config/arm/arm.c: Fix spelling typo.
5675 2006-10-18 Tom Tromey <tromey@redhat.com>
5677 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5679 2006-10-18 Jan Hubicka <jh@suse.cz>
5682 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5685 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5687 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5688 TSI_SAME_STMT, since that's the desired entity.
5690 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5692 * config/s390/contraints.md: New file.
5693 * config/s390/s390-protos.h (s390_mem_constraint,
5694 s390_O_constraint_str, s390_N_constraint_str,
5695 s390_float_const_zero_p): Function prototypes added.
5696 * config/s390/s390.c (s390_extra_constraint_str,
5697 s390_const_double_ok_for_constraint_p,
5698 s390_const_ok_for_constraint_p): Functions removed.
5699 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5700 s390_float_const_zero_p): New functions.
5701 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5702 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5703 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5704 Macro definitions removed.
5705 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5706 s390_extra_constraint_str): Functions removed.
5708 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5709 Richard Sandiford <richard@codesourcery.com>
5712 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5713 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5715 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5717 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5718 (DWARF2_FRAME_REG_OUT): Likewise.
5719 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5720 (DWARF2_FRAME_REG_OUT): Likewise.
5722 2006-10-17 Paul Brook <paul@codesourcery.com>
5724 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5726 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5728 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5729 Standardize on "GNU Fortran" as the official name of the Fortran
5732 2006-10-16 Mike Stump <mrs@apple.com>
5734 * doc/invoke.texi (Darwin Options): Document -mkernel.
5735 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5737 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5738 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5739 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5740 (OS_MISSING_ALTIVEC): Add.
5741 * config/i386/i386.c (override_options): Add
5742 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5743 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5744 -mkernel, -static or -mdynamic-no-pic is given.
5745 (C_COMMON_OVERRIDE_OPTIONS): Add.
5746 * config/darwin.opt (fapple-kext): Add.
5748 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5749 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5751 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5752 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5753 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5754 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5755 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5756 (flag_mkernel): Add.
5757 (flag_apple_kext): Add.
5758 (TARGET_KEXTABI): Add.
5759 * config/darwin.c (darwin_handle_kext_attribute): Add.
5760 (DARWIN_VTABLE_P): Add.
5761 (darwin_binds_local_p): Add partial support for rebinding vtables
5763 (darwin_kextabi_p): Add.
5764 (darwin_override_options): Add.
5765 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5766 (darwin_kextabi_p): Add.
5767 (darwin_override_options): Add.
5768 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5769 __DYNAMIC__ and __STATIC__ here.
5771 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5773 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5774 Added mention of "make pdf" target, and Texinfo requirements for
5777 2006-10-16 DJ Delorie <dj@redhat.com>
5779 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5780 into the GOT in case we need a subreg of the address.
5782 2006-10-16 Richard Guenther <rguenther@suse.de>
5785 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5786 SSE builtin documentation. Document SSE2 builtins.
5788 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5790 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5791 symbol in the output file for non-shared links when -nostdlib or
5792 -nodefaultlibs isn't specified.
5794 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5795 posix thread support.
5797 2006-10-15 Jan Hubicka <jh@suse.cz>
5800 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5801 declared always_inline even when not inlining.
5803 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5804 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5805 Andrew Pinski <pinskia@gmail.com>
5808 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5810 2006-10-15 Jan Hubicka <jh@suse.cz>
5811 Richard Guenther <rguenther@suse.de>
5814 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5815 process_function_and_variable_attributes on all variables, including
5816 those discovered during cgraph construction phase.
5818 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5820 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5822 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5824 * config/i386/athlon.md (athlon_fist): Add fisttp.
5826 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5827 Ian Lance Taylor <ian@airs.com>
5830 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5831 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5834 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5836 * config/score/score.c, config/score/score.h: Fix comment
5839 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5842 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5845 2006-10-13 Eric Christopher <echristo@apple.com>
5847 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5849 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5852 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5853 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5854 alignment supported by 32-bit ELF.
5856 2006-10-13 Eric Christopher <echristo@apple.com>
5858 * config/darwin.c (darwin_emit_unwind_label): Strip
5859 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5861 2006-10-13 Richard Guenther <rguenther@suse.de>
5863 PR tree-optimization/29446
5864 * tree-vrp.c (fix_equivalence_set): Remove.
5865 (extract_range_from_assert): Do not call fix_equivalence_set.
5866 (debug_value_range): Print a newline.
5867 (compare_name_with_value): For equivalence sets with
5868 inconsistent value ranges conservatively bail out.
5869 (compare_names): Likewise.
5871 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5873 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5874 and MPFR for gfortran.
5876 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5878 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5879 alignment supported by 32-bit ELF.
5881 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5885 * c-typeck.c (digest_init): Always allow initializing vectors
5886 that have static storage duration with compound literals.
5887 * tree.c (build_type_attribute_qual_variant): New, based on
5888 build_type_attribute_variant.
5889 (build_type_attribute_variant): Rewrite using the former.
5890 (make_vector_type): Use build_type_attribute_qual_variant to build
5891 type variants. Use type_hash_canon on the others.
5893 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5894 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5896 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5898 2006-10-12 Jan Hubicka <jh@suse.cz>
5901 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5902 current_function_decl is set but current_function_scope is not.
5904 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5906 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5907 emit_insn to emit eh_return_internal instruction.
5908 (eh_return_internal): Explicitly set pc.
5910 2006-10-11 Richard Guenther <rguenther@suse.de>
5912 PR tree-optimization/28230
5913 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5914 to the correct place.
5916 2006-10-11 Richard Guenther <rguenther@suse.de>
5919 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5922 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5924 * configure.ac: Added pdf to "Make-hooks"
5925 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5926 targets and *.pdf file patterns in cleanup targets.
5927 * configure: Regenerated.
5929 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5931 * config/avr/predicates.md: New file.
5932 * config/avr/avr.md: Include it.
5933 (REG_SP): New constant.
5934 (peepholes): Use predicates.
5935 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5936 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5937 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5939 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5941 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5944 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5947 * builtins.c (var_decl_component_p): New function.
5948 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5949 single entry optimization to variables and components thereof.
5951 2006-10-10 Richard Guenther <rguenther@suse.de>
5953 PR rtl-optimization/29323
5954 * except.c (set_nothrow_function_flags): For functions
5955 that do not bind local bail out early.
5957 2006-10-10 Ben Elliston <bje@au.ibm.com>
5959 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5962 2006-10-09 Richard Henderson <rth@redhat.com>
5964 Revert emutls patch.
5966 2006-10-09 Richard Guenther <rguenther@suse.de>
5969 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5972 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5975 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5976 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5977 * configure: Regenerate.
5978 * config.in: Regenerate.
5980 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5982 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5984 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5986 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5987 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5988 Remove stray newline.
5990 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5992 * config/mips/mips.c (mips_classify_symbol): Do not return
5993 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5994 (mips_in_small_data_p): Tweak comments.
5996 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5998 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6000 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6002 * gimplify.c, sched-int.h: Fix comment typos.
6004 * sched-int.h: Fix comment typos.
6006 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6008 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6010 * sched-ebb.c (begin_schedule_ready): Use them.
6011 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6012 add_to_speculative_block, create_check_block_twin, speculate_insn,
6013 fix_jump_move, move_block_after_check): Ditto.
6014 * sched-rgn.c (new_ready): Ditto.
6016 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6018 PR rtl-optimization/29128
6019 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6020 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6021 allow interblock movement of speculation checks.
6023 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6026 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6027 casted to integer type.
6028 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6029 if they are significantly more expensive than [reg + index] ones.
6031 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6033 PR tree-optimization/29330
6034 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6035 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6036 on newly allocated ddrs.
6037 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6038 to VEC (loop_p, heap) pointer.
6039 (compute_data_dependences_for_loop): Adjust caller.
6040 (free_dependence_relations): Free DDR_LOOP_NEST.
6042 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6043 free DEPENDENCE_RELATIONS and DATAREFS.
6046 * builtins.c (expand_builtin_sync_operation,
6047 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6048 Use convert_to_mode to handle promoted arguments.
6050 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6052 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6054 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6056 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6058 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6060 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6061 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6062 Use <modeconstraint> instead of "r" as operand 1 constraint.
6064 2006-10-06 Olivier Hainque <hainque@adacore.com>
6066 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6067 Don't recurse on the pointed-to type.
6068 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6069 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6070 types with components of variable size.
6072 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6074 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6076 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6078 PR tree-optimization/29290
6079 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6083 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6084 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6087 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6088 the number of vector elements fill the rest with zeros.
6090 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6092 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6093 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6096 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6098 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6099 unnamed pattern into subsi3. Use correct constraints/predicates.
6100 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6101 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6103 2006-10-05 Ira Rosen <irar@il.ibm.com>
6105 * doc/loop.texi: Add data references analysis description.
6107 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6109 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6111 2006-10-04 Richard Henderson <rth@redhat.com>
6112 Jakub Jelinek <jakub@redhat.com>
6114 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6115 * builtin-types.def (BT_WORD): Make unsigned.
6116 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6117 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6118 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6119 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6120 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6121 * cgraph.c (decide_is_variable_needed): Look at force_output.
6122 Recurse for emulated tls.
6123 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6124 checks redundant with decide_is_variable_needed.
6125 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6126 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6128 * expr.c (emutls_var_address): New.
6129 (expand_expr_real_1): Expand emulated tls.
6130 (expand_expr_addr_expr_1): Likewise.
6131 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6132 * output.h (emutls_finish): Declare.
6133 * toplev.c (compile_file): Call it.
6134 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6135 address before wrapping in CONST.
6136 * varasm.c (emutls_htab, emutls_object_type): New.
6137 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6138 (get_emutls_object_name, get_emutls_object_type): New.
6139 (get_emutls_init_templ_addr, emutls_decl): New.
6140 (emutls_common_1, emutls_finish): New.
6141 (assemble_variable): When emulating tls, swap decls; generate
6142 constructor for the emutls objects.
6143 (do_assemble_alias): When emulating tls, swap decl and target name.
6144 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6146 * emutls.c: New file.
6147 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6148 tls_object for real tls.
6150 2006-10-04 Zack Weinberg <zackw@panix.com>
6152 Fix bug in constraint-check generator, reported by Rask Ingemann
6154 * genpreds.c (add_constraint): Don't remove anything from the
6156 (write_tm_constrs_h): Detect whether "op" argument is used, and
6157 mark it ARG_UNUSED if it isn't.
6158 (write_insn_const_int_ok_for_constraint): Skip the part of the
6159 expression that would test whether "op" (which is not available
6160 here) is a CONST_INT.
6162 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6165 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6167 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6169 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6170 current Leopard versions.
6171 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6173 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6175 * doc/install.texi: Fix typos.
6177 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6179 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6180 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6181 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6183 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6185 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6186 arg to be struct mach_header_64* instead.
6188 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6191 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6192 side effects after the outer expression's post side effects.
6194 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6196 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6197 comments to reflect actual behavior and relationship between
6198 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6200 * doc/c-tree.texi (Working with declarations): Fix documentation
6201 of FIELD_DECL likewise.
6203 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6206 * doc/extend.texi: Add used variable attribute description.
6208 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6211 * c.opt (Woverride-init): New.
6212 * c-opts.c (c_common_post_options): Default warn_override_init to
6214 * c-typeck.c (add_pending_init, output_init_element): Warn for
6215 overriding initializers without side effects.
6216 * doc/invoke.texi (-Woverride-init): Document.
6219 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6221 PR rtl-optimization/28096
6222 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6223 assignment has already been used as a destination earlier in the block.
6225 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6227 * builtins.c (expand_builtin_setjmp): Delete.
6228 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6229 <BUILT_IN_SETJMP_SETUP>: New case.
6230 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6231 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6232 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6233 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6234 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6235 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6236 (lower_function_body): Initialize it to false. If it is set to true
6237 at the end of the processing, emit the setjmp dispatcher.
6238 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6239 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6240 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6241 on the rhs of the assignment.
6242 (lower_builtin_setjmp): New function.
6243 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6244 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6245 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6246 to detect calls that can go to non-local labels. Use specific
6247 helper to create the abnormal edges associated with them.
6248 <MODIFY_EXPR>: Likewise.
6249 (make_abnormal_goto_edges): New function extracted from...
6250 (make_goto_expr_edges): ...here. Call it for computed gotos.
6251 (simple_goto_p): Minor tweak.
6252 (tree_can_make_abnormal_goto): New predicate.
6253 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6254 (tree_purge_dead_abnormal_call_edges): New function.
6255 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6256 (tree_purge_dead_abnormal_call_edges): Likewise.
6257 (make_abnormal_goto_edges): Likewise.
6258 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6259 Purge all dead abnormal edges if the call was in the last statement.
6260 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6261 (execute_fixup_cfg): If there are non-local labels in the function,
6262 scan the basic blocks and split them at calls that can go to non-local
6263 labels or add missing abnormal call edges. Write down the CFG in the
6265 (pass_fixup_cfg): Remove TODO_dump_func flag.
6266 * unwind-sjlj.c: Poison setjmp.
6267 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6268 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6269 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6270 (DONT_USE_BUILTIN_SETJMP): Document it.
6272 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6275 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6276 to 1 when __ppc64__ is defined.
6277 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6279 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6281 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6283 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6284 * config/ia64/unwind-hpux.c: Delete.
6286 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6288 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6289 on the element before gimplifying it, instead of punting if it is of
6292 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6294 * doc/loop.texi: New file.
6295 * doc/gccint.texi: Reference loop.texi.
6296 * Makefile.in (loop.texi): Add.
6298 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6300 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6302 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6303 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6305 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6307 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6309 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6311 * doc/install.texi: Document required versions of GMP and MPFR.
6313 2006-09-27 Paul Brook <paul@codesourcery.com>
6316 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6318 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6320 * reload1.c (alter_reg): Require the alignment of the stack slot to
6321 be at least reg_max_ref_width bytes.
6322 (scan_paradoxical_subregs): Record the largest width in
6325 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6329 * tree-nested.c (struct nesting_info): Added static_chain_added.
6330 (convert_call_expr): Set static_chain_added when adding static
6331 chain. Handle OMP_PARALLEL and OMP_SECTION.
6333 2006-09-25 Matthias Klose <doko@debian.org>
6335 * doc/invoke.texi: Add missing full stop.
6337 2006-09-25 Richard Henderson <rth@redhat.com>
6339 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6340 before cgraph_function_flags_ready.
6342 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6343 Adam Nemet <anemet@caviumnetworks.com>
6345 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6346 determine_common_wider_type): New functions.
6347 (get_computation_aff): Use them to simplify arithmetic between
6348 UBASE and CBASE if they are shortened from the same type.
6350 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6353 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6354 -2147483647 - 1 instead of 0x80000000.
6356 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6358 * flags.h (HONOR_NANS): Fix typo in comment.
6360 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6362 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6364 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6368 * tree.c (merge_attributes, attribute_list_contained): If both
6369 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6371 * c-typeck.c (comptypes_internal): Don't consider aggregates
6372 in different TUs as compatible if there one set of attributes is
6373 not a subset of the other type's attributes.
6374 (composite_type): Try harder not to create a new aggregate type.
6376 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6378 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6379 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6380 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6381 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6382 than replicating condition above.
6383 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6385 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6386 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6387 the linker by default.
6389 2006-09-22 Mike Stump <mrs@apple.com>
6391 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6394 2006-09-22 Richard Guenther <rguenther@suse.de>
6397 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6398 sort of stack variables stable.
6400 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6403 * explow.c (force_reg): Set REG_POINTER flag according to
6406 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6408 PR tree-optimization/28888
6409 * tree-if-conv.c (combine_blocks): Rewritten.
6410 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6411 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6413 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6415 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6418 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6420 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6422 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6424 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6426 2006-09-21 Roger Sayle <roger@eyesopen.com>
6429 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6430 dw_fde_current_label, to be the start of the function, i.e. the same
6431 value as dw_fde_begin.
6433 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6435 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6436 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6437 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6438 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6439 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6440 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6441 (abs<mode>2, neg<mode>2): Likewise.
6442 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6443 (*mips_abs_ps): New define_insn.
6445 2006-09-20 Josh Conner <jconner@apple.com>
6448 * calls.c (expand_call): Allow reuse of structure return stack
6451 2006-09-20 Paul Brook <paul@codesourcery.com>
6453 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6456 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6458 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6459 clean up terminology.
6461 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6464 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6465 with tablejumps in them.
6467 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6470 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6471 wrap it into TARGET_EXPR.
6473 2006-09-20 Eric Christopher <echristo@apple.com>
6475 * config/i386/i386.c (x86_fisttp): Remove.
6476 * config/i386/i386.h (x86_fisttp): Ditto.
6477 (TARGET_FISTTP): Ditto.
6479 2006-09-19 Eric Christopher <echristo@apple.com>
6481 * doc/tm.texi (OBJC_JBLEN): Describe.
6482 * config/i386/darwin.h (OBJC_JBLEN): Define.
6483 * config/rs6000/darwin.h: Ditto.
6485 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6487 PR rtl-optimization/21299
6488 * reload1.c (reload): Purge invalid ASMs in the final pass.
6490 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6493 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6494 pointers as legitimate constants.
6496 2006-09-19 Paul Brook <paul@codesourcery.com>
6499 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6501 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6503 PR tree-optimization/28887
6504 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6505 component parts from the reference.
6506 (gather_memory_references_ref): Record the reference without the
6507 nonaddressable component parts.
6509 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6512 * c-opts.c (c_common_handle_option): Ignore the -std options
6513 if the input language is assembly.
6515 2006-09-17 Ira Rosen <irar@il.ibm.com>
6518 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6520 (ptr_ptr_may_alias_p): Likewise.
6521 (record_record_differ_p): New function.
6522 (base_object_differ_p): Call record_record_differ_p.
6524 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6527 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6528 away for the expr argument.
6530 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6533 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6534 before using it for dumping after vectorizing loops.
6536 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6537 Jack Howarth <howarth@bromo.med.uc.edu>
6540 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6541 skip on error_mark_node.
6542 (rs6000_darwin64_record_arg_recurse): Likewise.
6544 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6546 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6547 * doc/rtl.texi: Remove related documentation.
6549 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6551 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6554 2006-09-15 Jim Wilson <wilson@specifix.com>
6556 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6557 Handle symbol offsets same as they are handled in ia64_expand_move
6560 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6562 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6563 Add forgotten parameter to the fprintf call.
6565 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6567 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6569 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6571 * doc/contrib.texi: Add my entry.
6573 2006-09-15 Nick Clifton <nickc@redhat.com>
6575 * doc/md.texi (Processor pipeline description): Fix typo in
6576 example of how to use the absence_set directive and reword the
6577 description to make it slightly easier to read.
6579 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6581 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6582 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6583 expanding the number of iterations.
6584 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6586 * cfgrtl.c (emit_insn_at_entry): New function.
6587 * rtl.h (emit_insn_at_entry): Declare it.
6588 * integrate.c (emit_initial_value_sets): Use it.
6590 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6592 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6594 (struct loop_work and related VEC declarations): Delete.
6595 (bfin_dump_loops): Print out new member bad.
6596 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6597 (bfin_scan_loop): Don't recurse.
6598 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6599 loops. No longer need to update outer loops if the current one is
6600 found bad. Move some validitiy checks to bfin_discover_loop.
6601 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6602 but changed not to check for nesting. Also changed to use the new bad
6604 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6605 time. Use bitmap based test to discover loop nesting.
6607 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6609 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6612 2006-09-14 Richard Guenther <rguenther@suse.de>
6613 Kazu Hirata <kazu@codesourcery.com>
6615 PR middle-end/28884.
6616 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6617 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6618 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6619 with TARGET_FUNCTION_VALUE.
6621 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6624 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6626 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6628 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6631 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6634 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6637 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6639 * basic_block.h (bb_has_eh_pred): Fix comment.
6641 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6643 * flow.c (calculate_global_regs_live): Invalidate eh registers
6644 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6645 (propagate_block): Handle eh registers as if they were set at basic
6647 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6649 * global.c (global_conflicts): Make eh registers to conflict with
6650 pseudos live at basic block begin.
6651 * basic_block.h (bb_has_eh_pred): New function.
6653 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6655 PR rtl-optimization/28982
6656 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6657 index of a PRE_MODIFY or POST_MODIFY address.
6658 * reload1.c (inc_for_reload): Use find_replacement on the original
6659 base and index registers.
6661 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6663 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6664 for -Os. Update __m128 alignment requirement.
6666 2006-09-13 Jan Hubicka <jh@suse.cz>
6668 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6670 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6672 PR rtl-optimization/28243
6673 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6674 the insn to which the note was originally attached.
6676 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6677 Roger Sayle <roger@eyesopen.com>
6679 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6680 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6681 on platforms that don't use dwarf for debug info.
6683 2006-09-12 Jason Merrill <jason@redhat.com>
6686 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6687 hard_frame_pointer_rtx after using it to update the frame pointer.
6689 2006-09-12 Roger Sayle <roger@eyesopen.com>
6691 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6692 (TARGET_ASM_CLOSE_PAREN): Likewise.
6693 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6694 (TARGET_ASM_CLOSE_PAREN): Likewise.
6696 2006-09-12 Roger Sayle <roger@eyesopen.com>
6699 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6700 frame information for frames larger than 512 Kbytes on Tru64 when
6701 using the native assembler.
6703 2006-09-12 Roger Sayle <roger@eyesopen.com>
6707 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6708 and symbols. Instead use the implementation from cse.c's hash_rtx.
6710 2006-09-12 Jan Hubicka <jh@suse.cz>
6712 PR rtl-optimization/28071
6713 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6714 (vect_transform_loop): Likewise.
6715 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6716 (new_loop_vec_info): Likewise.
6717 (destroy_loop_vec_info): Likewise.
6718 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6719 (create_stmt_ann): Likewise.
6720 (create_tree_ann): Rename to ...
6721 (create_tree_common_ann): ... this one; allocate only the common part
6723 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6724 (get_value_handle): Likewise.
6725 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6726 get_tree_common_ann.
6727 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6728 (vinfo_for_stmt): Use stmt annotations.
6729 * tree-flow.h (tree_ann_common_t): New type.
6730 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6731 (tree_ann, get_tree_ann, create_tree_ann): New.
6732 * tree-flow-inline.h (get_function_ann): Do more type checking.
6733 (stmt_ann): Likewise.
6734 (tree_ann): Rename to ...
6735 (tree_common_ann): ... this one; return ony common_ann
6736 (get_tree_ann): Rename to ...
6737 (tree_common_ann): This one; return only common_ann.
6738 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6741 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6743 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6744 with_cpu by default.
6746 * dwarf2out.c (dwarf_file_data): New.
6747 (enum dw_val_class): Add dw_val_class_file.
6748 (struct dw_val_struct): Add val_file.
6749 (file_table): Change to a hash table.
6750 (file_table_emitted): Delete.
6751 (file_table_last_lookup_index): Delete.
6752 (emitcount): Delete.
6753 (last_emitted_file): New.
6754 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6755 (init_file_table): Delete.
6756 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6757 (AT_addr): Add comment.
6761 (print_die): Handle dw_val_class_file.
6762 (print_dwarf_line_table): Update for new file table structure.
6763 (attr_checksum): Do checksum a filename.
6764 (same_dw_val_p, same_attr_p): Do compare a filename.
6765 (size_of_die): Handle dw_val_class_file.
6766 (value_format): Likewise.
6767 (output_die): Likewise. Also, call maybe_emit_file here.
6768 (struct file_info): Constify filenames. Make file_idx a pointer
6769 to a struct dwarf_file_data.
6770 (struct dir_info): Constify directory names. Remove 'used' field.
6771 (struct file_name_acquire_data): New.
6772 (file_name_acquire): New.
6773 (output_file_names): Modify to handle new file data structures.
6774 (add_src_coords_attributes): Use add_AT_file.
6775 (add_call_src_coords_attributes): Likewise.
6776 (dwarf2out_imported_module_or_decl): Likewise.
6777 (gen_subprogram_die): Modify for new file data structures.
6778 (gen_variable_die): Likewise.
6779 (file_table_eq): New.
6780 (file_table_hash): New.
6781 (file_table_last_lookup): New.
6782 (lookup_filename): Rewrite to handle new file data structures.
6783 (maybe_emit_file): Rewrite to handle new file data structures.
6784 (dwarf2out_source_line): Always call lookup_filename and
6786 (dwarf2out_init): Create file_table here.
6787 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6788 (file_table_relative_p): New.
6789 (dwarf2out_finish): Change detection of relative filenames
6790 to work with new file data structures. Move output_line_info call
6791 after debug_info output.
6793 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6798 * config/i386/i386.c (override_options): Always default to 16
6799 byte stack boundary.
6801 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6804 * var-tracking.c (dump_dataflow_set): Start dumping at
6806 (clobber_variable_part): Kill only the variable part in
6807 registers holding it, leaving other variables alone.
6809 2006-09-11 Josh Triplett <josh@freedesktop.org>
6811 * doc/extend.texi (Other Builtins): Actually use the macro
6812 argument in the documentation example for
6813 __builtin_types_compatible_p.
6815 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6817 PR rtl-optimization/28726
6818 * sched-deps.c (sched_analyze_reg): New function extracted from...
6819 (sched_analyze_1): ...here. Call it to analyze references to
6820 registers. Treat again writes to a stack register as writing to the
6822 (sched_analyze_2): ...and here. Call it to analyze references to
6823 registers. Treat again reads of a stack register as reading the
6826 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6827 David Edelsohn <edelsohn@gnu.org>
6830 * config/rs6000/spe.md (frob_df_di): Remove %H.
6831 (frob_di_df): Remove %H. Change evmergelo to mr.
6832 (frob_di_df_2): Remove %H. Change evldd to two loads.
6834 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6836 * doc/cpp.texi: Fix names of charset options.
6838 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6841 * config/i386/i386.c (override_options): Use 128-bit
6842 stack boundary always for 64bits.
6844 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6846 PR rtl-optimization/28636
6847 * combine.c (force_to_mode): Test for side-effects before
6848 substituting by zero.
6849 (simplify_shift_const): Likewise for zero or other constants.
6851 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6854 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6857 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6860 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6861 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6862 returned by mode_for_size, rather than the mode of src itself,
6863 to choose between 32-bit and 64-bit patterns.
6864 (mips_mem_fits_mode_p): New function.
6865 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6866 that the size of the source matches the size of the destination.
6867 (mov_<store>l, mov_<store>r): Likewise.
6869 2006-09-10 Eric Christopher <echristo@apple.com>
6871 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6874 2006-09-09 Eric Christopher <echristo@apple.com>
6877 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6880 2006-09-09 Roger Sayle <roger@eyesopen.com>
6881 Nicolas Setton <setton@adacore.com>
6883 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6885 2006-09-10 Andreas Schwab <schwab@suse.de>
6887 * config/m68k/m68k.md (bungt_rev): New pattern.
6889 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6890 Dale Johannesen <dalej@apple.com>
6893 * regclass.c (struct reg_pref): Update documentation.
6894 (regclass): Set prefclass to NO_REGS if memory is the best option.
6895 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6897 2006-09-08 Eric Christopher <echristo@apple.com>
6899 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6900 * config/t-slibgcc-darwin: Support x86_64 multilib.
6901 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6902 Return 1 for x86_64-darwin.
6903 * config/i386/t-darwin: Add m64 multilib.
6904 (LIB2_SIDITI_CONV_FUNCS): Use.
6905 (LIB2FUNCS_EXTRA): Ditto.
6906 * config/i386/darwin.h: Support x86_64.
6907 * config/i386/i386.c (override_options): Turn on flag_pic
6908 for x86_64-darwin. Disable flag_omit_pointer.
6909 (get_pc_thunk_name): Assert !TARGET_64BIT.
6910 (legitimate_address_p): Disable machopic addressing for
6912 (legitimize_pic_address): Ditto.
6913 (ix86_expand_move): Ditto.
6914 (ix86_expand_call): Ditto.
6915 (machopic_output_stub): Ditto.
6916 * config/darwin.c (machopic_select_section): Support literal16.
6917 (machopic_select_rtx_section): Ditto.
6918 * config/darwin-sections.def: Ditto.
6919 * config/darwin-64.c: New.
6921 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6924 * c-tree.h (struct c_arg_info): Add pending_sizes.
6925 * c-parser.c (c_parser_parms_declarator,
6926 c_parser_parms_list_declarator): Initialize pending_sizes.
6927 * c-decl.c (get_parm_info): Initialize pending_sizes.
6928 (get_parm_info): Set pending_sizes.
6929 (grokdeclarator): Call put_pending_sizes for parameters for
6930 function definition only.
6932 2006-09-07 Jason Merrill <jason@redhat.com>
6935 * varasm.c (output_constant): Only strip actual no-op conversions.
6938 * config/i386/i386.c (override_options): Use 128-bit
6939 stack boundary if -msse.
6941 2006-09-07 Eric Christopher <echristo@apple.com>
6943 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6945 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6948 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6950 * dwarf2out.c: Remove strange characters from comment above
6951 dwarf2out_frame_debug_expr.
6953 2006-09-07 Eric Christopher <echristo@apple.com>
6955 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6956 * config/darwin.h: ... to here.
6958 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6960 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6962 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6963 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6965 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6966 TARGET_PARTIAL_FLAG_REG_STALL.
6967 (*ashldi3_cconly_rex64): Likewise.
6968 (*ashlsi3_cmp): Likewise.
6969 (*ashlsi3_cconly): Likewise.
6970 (*ashlsi3_cmp_zext): Likewise.
6971 (*ashlhi3_cmp): Likewise.
6972 (*ashlhi3_cconly): Likewise.
6973 (*ashlqi3_cmp): Likewise.
6974 (*ashlqi3_cconly): Likewise.
6975 (*ashrdi3_cmp_rex64): Likewise.
6976 (*ashrdi3_cconly_rex64): Likewise.
6977 (*ashrsi3_cmp): Likewise.
6978 (*ashrsi3_cconly): Likewise.
6979 (*ashrsi3_cmp_zext): Likewise.
6980 (*ashrhi3_cmp): Likewise.
6981 (*ashrhi3_cconly): Likewise.
6982 (*ashrqi3_cmp): Likewise.
6983 (*ashrqi3_cconly): Likewise.
6984 (*lshrdi3_cmp_rex64): Likewise.
6985 (*lshrdi3_cconly_rex64): Likewise.
6986 (*lshrsi3_cmp): Likewise.
6987 (*lshrsi3_cconly): Likewise.
6988 (*lshrsi3_cmp_zext): Likewise.
6989 (*lshrhi3_cmp): Likewise.
6990 (*lshrhi3_cconly): Likewise.
6991 (*lshrqi2_cmp): Likewise.
6992 (*lshrqi2_cconly): Likewise.
6994 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6997 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6998 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6999 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7000 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7001 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7002 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7003 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7004 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7005 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7006 implement only CC setting effects of shift instructions.
7008 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7010 * doc/contrib.texi: Add myself.
7012 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7015 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7016 was set by the user.
7018 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7021 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7022 (divsi_inv_m1): Use them.
7023 (UNSPEC_DIV_INV_TABLE): New constant.
7025 2006-09-06 James E Wilson <wilson@specifix.com>
7028 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7029 then call count_or_remove_death_notes.
7031 2006-09-06 Jason Merrill <jason@redhat.com>
7034 * tree-inline.c (copy_result_decl_to_var): New fn.
7035 (declare_return_variable): Use it. Call declare_inline_vars here.
7036 (expand_call_inline): Not here.
7038 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7040 * doc/contrib.texi: Update my entry.
7042 2006-09-06 Nick Clifton <nickc@redhat.com>
7044 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7046 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7049 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7050 (canonicalize_induction_variables): Likewise.
7051 (tree_unroll_loops_completely): Likewise.
7052 (tree_ssa_prefetch_arrays): Likewise.
7053 (remove_empty_loops): Likewise.
7054 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7055 TODO_cleanup_cfg instead of directly calling
7056 cleanup_tree_cfg_loop.
7057 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7059 (tree_unroll_loops_completely): Likewise.
7060 (remove_empty_loops): Likewise.
7061 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7062 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7063 of tree_ssa_unswitch_loops.
7064 (tree_ssa_loop_ivcanon): Use the return value of
7065 canonicalize_induction_variables.
7066 (tree_ssa_empty_loop): Use the return value of
7068 (tree_complete_unroll): Use the return value of
7069 tree_unroll_loops_completely.
7070 (tree_ssa_loop_prefetch): Use the return value of
7071 tree_ssa_prefetch_arrays.
7072 * passes.c (execute_todo): Before Cleanup CFG, set
7073 updating_used_alone and after cleanup CFG, call
7074 recalculate_used_alone.
7076 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7079 * tree-vect-transform.c (vectorizable_condition): Move the check
7080 for the type after the check for simple condition.
7082 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7083 Kaz Kojima <kkojima@gcc.gnu.org>
7086 * mode-switching.c (optimize_mode_switching): Make the destination
7087 block of an abnormal edge have no anticipatable mode. Don't
7088 insert mode switching code at the end of the source block of
7091 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7093 PR rtl-optimization/26847
7094 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7095 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7096 (simplify_plus_minus): Count n_constants while filling ops. Replace
7097 qsort with insertion sort. Before going through the array to simplify
7098 pairs, sort it. Delay early exit until after the first sort, exiting
7099 only if no swaps occurred. Simplify pairs in reversed order, without
7100 special-casing the first iteration. Pack ops after simplifying pairs.
7102 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7104 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7105 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7106 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7107 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7109 2006-09-05 Richard Guenther <rguenther@suse.de>
7111 PR tree-optimization/28900
7112 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7113 compound conditional before creating COND_EXPR condition.
7115 2006-09-05 Richard Guenther <rguenther@suse.de>
7117 PR tree-optimization/28905
7118 * tree-vrp.c (fix_equivalence_set): Manually implement
7119 !value_ranges_intersect_p to also handle symbolic ranges.
7121 2006-09-05 Richard Guenther <rguenther@suse.de>
7124 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7127 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7129 PR rtl-optimization/27616
7130 * cse.c (table_size): New static variable.
7131 (new_basic_block): Initialize it to 0.
7132 (remove_from_table): Decrement it.
7133 (insert): Increment it.
7134 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7135 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7136 fold_rtx_mem_1 if under the cap.
7137 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7138 the lookup of the equivalent expression and test for equality of the
7139 first operand of the equivalent expression before in turn looking up
7140 an equivalent constant for the second operand.
7142 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7145 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7146 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7147 pointer, instead of assuming it is possible to derive the
7148 correct args size from a call insn.
7150 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7153 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7154 (fold_builtin_mempcpy): Rename to...
7155 (fold_builtin_memory_op): ... this. Optimize one element copy
7157 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7159 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7160 (expand_builtin_memcpy, expand_builtin_mempcpy,
7161 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7162 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7163 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7164 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7166 2006-09-01 DJ Delorie <dj@redhat.com>
7168 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7169 (stzx_16): Likewise.
7170 ("stzx_24_<mode>"): Likewise.
7171 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7172 ("cmp<mode>_op"): New.
7173 (cmp<mode>): Change to expander; just save operands.
7175 (b<code>): Change to expander, emit compare here.
7176 (s<code>_op): Change to use split and expander.
7177 (s<code>_24_op): Likewise.
7178 (s<code>_<mode>): New.
7179 (s<code>_<mode>_24): New.
7180 (movqicc_<code>_<mode): New.
7181 (movhicc_<code>_<mode>): New.
7184 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7185 (m32c_pend_compare): New.
7186 (m32c_unpend_compare): New.
7187 (m32c_expand_scc): New.
7188 (m32c_expand_movcc): Emit the compare also.
7189 * config/m32c/predicates.md (mra_nopp_operand): New.
7191 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7192 Richard Guenther <rguenther@suse.de>
7193 Adam Nemet <anemet@caviumnetworks.com>
7196 * builtins.c (get_pointer_alignment): Handle more forms
7197 of base addresses that can be used to derive more precise
7198 information about alignment.
7200 2006-09-01 Jason Merrill <jason@redhat.com>
7203 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7206 * gimplify.c (voidify_wrapper_expr): Handle null type.
7208 2006-09-01 Josh Conner <jconner@apple.com>
7211 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7212 (execute_return_slot_opt): Use it.
7214 2006-08-31 Josh Conner <jconner@apple.com>
7217 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7218 returning aggregates.
7220 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7222 PR tree-optimization/28839
7223 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7224 blocks in that phi arguments appear.
7226 2006-08-31 Roger Sayle <roger@eyesopen.com>
7229 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7230 NULL, otherwise use an advance_loc4 to adjust relative to the
7232 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7233 (dwarf2out_switch_text_section): Reset the current label to avoid
7234 using advance_loc4 over section boundaries.
7236 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7239 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7240 r12 + SYMBOLIC_CONST.
7242 2006-08-30 Richard Guenther <rguenther@suse.de>
7244 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7246 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7248 PR rtl-optimization/27735
7249 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7250 Add new argument to keep track of whether an irreducible region
7251 was affected. All callers changed.
7252 (fix_irreducible_loops): Removed.
7253 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7254 flags were invalidated.
7256 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7258 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7259 instead of SF operands.
7260 (*fop_df_comm_sse): Likewise.
7261 (*fop_df_comm_i387): Likewise.
7262 (*fop_df_1_mixed): Likewise.
7263 (*fop_df_1_sse): Likewise.
7265 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7266 J"orn Rennecke <joern.rennecke@st.com>
7268 PR tree-optimization/17506
7269 * tree-ssa.c (warn_uninit): If warning about a location outside of
7270 the current function, note where the variable was declared.
7272 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7274 PR tree-optimization/28411
7275 * double-int.c (double_int_div): Use double_int_divmod.
7276 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7277 double_int_mod, double_int_smod, double_int_umod): New functions.
7278 * double-int.h (double_int_divmod, double_int_sdivmod,
7279 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7281 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7283 (get_computation_aff, get_computation_cost_at): Handle double_int
7284 return type of constant_multiple_of.
7286 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7289 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7290 an implicit conversion.
7292 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7294 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7296 2006-08-27 Roger Sayle <roger@eyesopen.com>
7298 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7301 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7303 * config/i386/crtfastmath.c: Fix a comment typo.
7305 2006-08-26 Roger Sayle <roger@eyesopen.com>
7307 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7308 temporary visit flags on CASE_LABEL_EXPRs.
7309 * c-common.c (match_case_to_enum): Add function comment. Avoid
7310 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7311 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7312 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7313 a constant, only warn if that constant value isn't handled.
7315 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7318 * input.h (restore_input_file_stack): Declare.
7319 (INPUT_FILE_STACK_BITS): Define.
7320 * toplev.c (fs_p, input_file_stack_history,
7321 input_file_stack_restored, restore_input_file_stack): New.
7322 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7323 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7324 (pop_srcloc): Don't free old state of stack.
7326 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7329 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7330 (PowerPC Type Attributes): New.
7332 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7334 * config/xtensa/xtensa.c (function_arg_boundary): New.
7335 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7337 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7338 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7340 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7343 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7346 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7348 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7349 (verify_local_live_at_start): Likewise.
7351 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7354 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7355 omp_add_variable): Treat sizes as variable whenever not
7358 2006-08-26 Richard Guenther <rguenther@suse.de>
7361 * fold-const.c (fold_binary): Fold temporary to correct
7362 type before constructing new comparison.
7364 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7367 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7368 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7370 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7373 * c-decl.c (start_function): Don't try to process prototype
7374 information from old declaration that isn't a function.
7376 2006-08-25 Jan Hubicka <jh@suse.cz>
7379 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7381 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7384 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7387 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7389 PR tree-optimization/16876
7390 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7391 exit if PARM doesn't match VALUE.
7393 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7395 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7396 literal_prefix directive.
7397 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7398 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7399 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7401 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7404 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7405 predicate to general_operand. Add 0->y and I->r alternatives.
7407 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7409 * doc/tm.texi: Fix a typo.
7410 * predict.c: Fix comment typos.
7412 2006-08-25 Nick Clifton <nickc@redhat.com>
7414 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7415 assertions of "cpu" and "machine".
7417 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7420 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7421 the access through a base which has an alias set of 0 cannot
7424 2006-08-24 Bill Wendling <wendling@apple.com>
7426 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7428 2006-08-24 Jan Hubicka <jh@suse.cz>
7430 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7432 2006-08-24 Jan Hubicka <jh@suse.cz>
7435 * cgraph.c: Fix comments.
7436 (cgraph_varpool_mark_needed_node): Mark only variables not already
7438 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7439 (cgraph_varpool_assembled_nodes_queue): New static variable.
7440 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7441 (cgraph_varpool_output_debug_info): New function.
7442 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7443 * Makefile.in: Add gt-cgraphunit.h
7445 2006-08-24 Jan Hubicka <jh@suse.cz>
7447 * predict.c (probability_reliable_p): New predicate.
7448 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7449 (predict_loops): Do not predict loop exit with less than 2%
7451 * basic-block.h (edge_probability_reliable_p,
7452 br_prob_note_reliable_p): Declare.
7453 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7454 prediction when static predictor is not reliable.
7455 * rs6000.c (output_cbranch): Likewise.
7457 2006-08-23 Stuart Hastings <stuart@apple.com>
7460 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7461 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7463 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7466 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7467 complex values, nor for generic vector values.
7469 2006-08-22 Richard Guenther <rguenther@suse.de>
7472 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7473 parameter. Convert arguments to arithmetic expression to the
7475 (analyze_scalar_evolution_1): Adjust caller.
7477 2006-08-22 Jan Hubicka <jh@suse.cz>
7479 Patch by Paolo Bonzini
7480 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7483 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7485 PR tree-optimization/28003
7486 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7487 before grouping aliases.
7489 2006-08-22 Roger Sayle <roger@eyesopen.com>
7491 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7492 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7494 2006-08-21 Jason Merrill <jason@redhat.com>
7497 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7498 wrapper. Loop to handle nested wrappers.
7499 (gimplify_bind_expr): Remove temp parameter.
7500 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7501 and STATEMENT_LIST on the rhs.
7502 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7503 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7504 (gimplify_target_expr): Remove special BIND_EXPR handling.
7506 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7508 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7511 2006-08-21 Olivier Hainque <hainque@adacore.com>
7513 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7514 Arrange for the temporary captures of components overlapping the lhs
7515 to happen before the lhs is possibly cleared.
7517 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7519 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7520 necessary places to pass the correct "number of registers" values
7523 2006-08-20 Jan Hubicka <jh@suse.cz>
7525 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7526 (create_name_tags): Instead of quadratic checking use hashtable.
7527 * bitmap.h: Include hashtab.h.
7528 (bitmap_hash): Declare.
7529 * bitmap.c (bitmap_hash): New function.
7531 2006-08-20 Jan Hubicka <jh@suse.cz>
7533 PR rtl-optimization/28071
7534 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7536 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7537 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7538 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7539 cgraph_decide_inlining_incrementally): Update use of
7540 cgraph_check_inline_limits.
7541 * cgraph.c (edge_hash, edge_eq): New function.
7542 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7543 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7544 cgraph_remove_node): Maintain call site hash.
7545 * cgraph.h (struct cgraph_node): Add call_site_hash.
7546 (cgraph_set_call_stmt): New function.
7548 2006-08-20 Jan Hubicka <jh@suse.cz>
7550 PR rtl-optimization/28071
7551 * reload1.c (reg_has_output_reload): Turn into regset.
7552 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7553 choose_reload_regs, emit_reload_insns): Update to new
7554 reg_has_output_reload.
7556 2006-08-20 Jan Hubicka <jh@suse.cz>
7559 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7560 function body sizes.
7561 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7563 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7566 * tree.c (handle_dll_attribute): Return early if not a
7567 var or function decl.
7569 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7572 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7573 alignment of SPE vector types.
7575 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7577 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7579 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7582 * cgraph.h (struct cgraph_node): Remove externally_visible
7584 * cgraphunit.c (process_function_and_variable_attributes): Set
7585 local.externally_visible rather than externally_visible.
7588 * c-common.c (handle_externally_visible_attribute): First look
7589 at TREE_CODE and only if it is function or var decl, check for
7590 non-public objects. Don't warn for DECL_EXTERNAL.
7591 * cgraphunit.c (process_function_and_variable_attributes): Warn
7592 if externally_visible attribute is used on non-public object.
7594 2006-08-17 Jan Hubicka <jh@suse.cz>
7596 PR tree-optimization/27865
7597 * reload1.c (forget_marked_reloads): New function.
7598 (forget_old_reloads_1): When data are passed, just mark the registers
7600 (reload_as_needed): Use the new mechanizm.
7602 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7605 * reload.h (reg_equiv_alt_mem_list): New declaration.
7606 * reload1.c (reg_equiv_alt_mem_list): New definition.
7607 (reload): Initialize it and release it.
7608 (delete_output_reload): Use it.
7609 * reload.c (push_reg_equiv_alt_mem): New function.
7610 (find_reloads_toplev): Call it.
7611 (find_reloads_address, find_reloads_address_1): Likewise.
7612 (find_reloads_subreg_address): Likewise.
7614 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7616 PR rtl-optimization/28489
7617 * sched-ebb.c (begin_schedule_ready): Create basic block
7619 (advance_target_bb): Skip empty blocks.
7620 * haifa-sched.c (bb_note): Make global.
7621 * sched-int.h (bb_note): Add prototype.
7623 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7625 PR tree-optimization/27865
7626 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7628 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7629 fold_used_pointer, pointer_used_p): New functions.
7630 (analyze_scalar_evolution_1): Use fold_used_pointer.
7631 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7632 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7635 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7638 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7639 or the INTEGER_CST. Fail on a CALL_EXPR.
7640 (fold_offsetof): Pass new argument to fold_offsetof_1.
7641 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7642 operand into an INDIRECT_REF.
7643 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7645 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7647 PR gcov/profile/26570
7648 * value-prof.c (static_values): Removed.
7649 (tree_find_values_to_profile): Do not set static_values.
7650 (find_values_to_profile): Do not free static_values.
7651 * profile.c (instrument_values): Do not free the values.
7652 (branch_prob): Free the values.
7654 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7656 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7658 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7661 * c-typeck.c (build_component_ref): Combine qualifiers of
7662 structure or union and field.
7664 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7666 PR rtl-optimization/28071
7667 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7668 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7669 * tree-into-ssa.c (struct dom_dfsnum): New.
7670 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7672 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7673 compute_global_livein.
7674 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7675 in phi nodes in the correct blocks.
7677 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7679 PR tree-optimization/28364
7680 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7682 (fold_affine_expr): New function.
7683 (may_eliminate_iv): Use fold_affine_expr.
7685 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7688 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7691 2006-08-16 Mike Stump <mrs@apple.com>
7693 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7694 * doc/cppopts.texi (-MD): Likewise.
7696 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7699 * c-common.c (handle_weak_attribute): Ignore and warn if
7700 not a FUNCTION_ or VAR_DECL.
7702 2006-07-15 Mike Stump <mrs@apple.com>
7705 * c-parser.c (c_parser_typeof_specifier): Don't use
7706 c_finish_expr_stmt, open code desired semantics instead.
7708 2006-08-15 Nick Clifton <nickc@redhat.com>
7710 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7711 fragment to tmake_file only if threads are enabled.
7712 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7713 * config/i386/t-gthr-win32: New file. ... here.
7715 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7718 * c-parser.c (c_parser_compound_statement_nostart): Reset
7719 parser->error after each statement.
7721 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7724 * omp-low.c (lower_omp_parallel): Convert t to
7725 receiver_decl's type.
7726 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7727 source before comparison.
7730 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7731 to itype in assignment to oldival2.
7733 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7737 * c-typeck.c (build_compound_expr): If the second expression
7738 is an error mark, then just return an error mark instead of
7739 creating a COMPOUND_EXPR.
7741 2006-07-14 Mike Stump <mrs@apple.com>
7743 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7745 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7747 * c-decl.c, var-tracking.c: Fix comment typos.
7749 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7751 PR rtl-optimization/28634
7752 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7753 for floating-point modes unless flag_unsafe_math_optimizations.
7755 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7756 Andrew Pinski <pinskia@physics.uc.edu>
7759 * tree.c (build_array_type): Unify array types with
7760 unspecified index_type.
7761 * c-decl.c (grokdeclarator): Make sure we do not modify a
7762 unified incomplete array type.
7763 * c-typeck.c (store_init_value): Create distinct type before
7764 filling in the index type in an initializer from a compound
7767 * c-decl.c (grokdeclarator): Remove code where we copy the
7770 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7772 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7773 into account for TODO_dump_cgraph.
7774 (TODO_update_ssa_no_phi): Likewise.
7775 (TODO_update_ssa_full_phi): Likewise.
7776 (TODO_update_ssa_only_virtuals): Likewise.
7777 (TODO_remove_unused_locals): Likewise.
7778 (TODO_set_props): Likewise.
7779 (TODO_update_stmt_usage): Likewise.
7781 2006-08-13 Dirk Mueller <dmueller@suse.de>
7783 * c-common.c (strict_aliasing_warning): Fix formatting.
7785 2006-08-13 Matthias Klose <doko@debian.org>
7787 * doc/invoke.texi: Fix spelling errors.
7789 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7791 PR rtl-optimization/23454
7792 * reorg.c (relax_delay_slots): Update comment.
7794 2006-08-11 Richard Guenther <rguenther@suse.de>
7797 * simplify-rtx.c (simplify_const_relational_operation):
7798 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7801 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7803 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7804 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7806 2006-08-10 Paul Brook <paul@codesourcery.com>
7808 * final.c (final_scan_insn): Clear current_insn_predicate before
7809 outputting inline asm.
7811 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7813 PR tree-optimization/26197
7814 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7815 get_ref_base_and_extent and overlap_subvar to add only relevant
7816 subvars as may-aliases.
7817 (add_may_alias_for_new_tag): New function, factored out of
7819 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7820 with additional argument.
7821 * tree-flow.h (new_type_alias): Takes additional argument.
7823 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7825 * gcov.c (no_data_file): New flag.
7826 (read_count_file): Set it if data file not present. Assume counts
7828 (output_lines): Don't name the data file, if there wasn't one.
7830 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7832 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7833 (rs6000_generate_compare): Tweak comments.
7834 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7836 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7838 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7839 (var_debug_decl): New function.
7840 (var_reg_set): Follow debug decl link. Add location even if
7841 reg is already known to hold some other variable.
7842 (var_mem_set): Follow debug decl link.
7843 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7844 decl link. Delete other known locations of the variable part
7846 (var_reg_delete, var_mem_delete): Delete other known locations
7847 of the variable part if requested.
7848 (same_variable_part_p): New function.
7849 (add_stores): Select MO_COPY when appropriate.
7850 (vt_initialize): Handle it.
7851 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7852 known locations for MO_SET and MO_CLOBBER.
7853 (find_variable_location_part): New function.
7854 (set_variable_part, delete_variable_part): Use it.
7855 (clobber_variable_part): New function.
7856 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7859 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7861 PR tree-optimization/26969
7862 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7863 with an empty list of PHIs.
7865 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7869 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7872 2006-08-06 Andreas Schwab <schwab@suse.de>
7874 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7875 string. Whitespace and comment fixup.
7877 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7880 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7884 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7887 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7889 2006-08-04 Jan Hubicka <jh@suse.cz>
7893 * reload.c (push_reload): Patch out the mismatching instruction;
7895 (find_reload): Bail out if the instruction was patched out.
7897 2006-08-04 Jan Hubicka <jh@suse.cz>
7899 PR tree-optimization/24888
7900 * tree-inline.c (expand_call_inline): Do not re-record variables.
7901 (declare_inline_vars): Add variable to unexpanded_var_list.
7903 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7904 Roger Sayle <roger@eyesopen.com>
7906 PR rtl-optimization/26244
7907 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7908 inner_const are negative or greater than or equal to the bitsize of
7909 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7910 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7911 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7912 CONST0_RTX (mode) when the new shift count is greater than or equal to
7913 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7916 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7918 * tree-cfg.c: Fix a comment typo.
7920 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7923 * varasm.c (output_constant): Give the front end another chance to
7924 expand constants, after stripping NOPs.
7926 2006-08-03 Jan Hubicka <jh@suse.cz>
7928 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7931 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7933 PR tree-optimization/27770
7934 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7935 declaration removed (moved to tree-flow.h).
7936 (vect_can_force_dr_alignment_p): Likewise.
7937 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7938 (moved from tree-vectorizer.h).
7939 (vect_can_force_dr_alignment_p): Likewise.
7940 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7941 from outside the vectorizer - in particular from cgraph stage.
7942 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7943 the alignment of global arrays when -fsection-anchors is enabled.
7944 * cgraphunit.c (cgraph_increase_alignment): New function.
7945 (cgraph_optimize): Call cgraph_increase_alignment.
7947 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7950 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7951 not reload a SPE symbol_ref into a lo_sum address.
7953 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7956 * dwarf2out.c (prune_unused_types_prune): Move call to
7957 prune_unused_types_update_strings to cover the parent DIE also.
7959 2006-08-02 Jan Hubicka <jh@suse.cz>
7961 PR gcov/profile/28480
7962 * tree-cfg.c (change_bb_for_stmt): New function.
7963 (tree_merge_blocks, tree_split_blocks): Use it.
7965 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7971 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7972 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7973 (cgraph_optimize): Likewise.
7975 2006-08-01 Stuart Hastings <stuart@apple.com>
7977 * rtl.h (UINTVAL) New.
7978 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7979 * testsuite/gcc.dg/20060801-1.c: New.
7981 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7984 * c-typeck.c (build_external_type): Mark used enum types.
7985 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7987 (gen_subprogram_die): Whitespace fix.
7989 2006-08-01 Jan Hubicka <jh@suse.cz>
7991 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7992 bitmap when not needed.
7993 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7996 2006-08-01 Dirk Mueller <dmueller@suse.de>
7998 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8000 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8002 * Makefile.in: Revert part of previous patch:
8003 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8006 2006-07-30 Eric Christopher <echristo@apple.com>
8009 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8010 (PowerPC Variable Attributes): New section.
8012 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8014 PR target/28126 (partial fix)
8015 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8017 2006-07-28 Jan Hubicka <jh@suse.cz>
8019 PR rtl-optimization/28071
8020 * cfgrtl.c (rtl_delete_block): Free regsets.
8021 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8023 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8025 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8026 and variables used in dependencies.
8028 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8030 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8031 %fs for -mcmodel=kernel.
8032 (stack_tls_protect_test_di): Likewise.
8034 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8036 * Makefile.in: Use mkinstalldirs.
8038 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8041 * opts-common.c (prune_options): Skip joined switches.
8043 2006-07-27 Jan Hubicka <jh@suse.cz>
8045 PR rtl-optimization/28071
8046 * cselib.c (cselib_process_insn): Don't remove useless values too
8047 often for very large hashtables.
8049 2006-07-27 Jan Hubicka <jh@suse.cz>
8051 PR rtl-optimization/28071
8052 * global.c (greg_obstack): New obstack.
8053 (allocate_bb_info): Use it.
8054 (free_bb_info): Likewise.
8055 (modify_reg_pav): Likewise.
8057 2006-07-27 Roger Sayle <roger@eyesopen.com>
8059 * builtins.c (fold_fixed_mathfn): When long and long long are the
8060 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8061 functions to their lceil*, lfloor*, lround* and lrint* forms.
8063 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8066 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8068 (rev_branch_insn): Likewise.
8070 2006-07-27 Jan Hubicka <jh@suse.cz>
8072 PR rtl-optimization/28071
8073 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8074 (reg_set_in_bb, max_reg_computed): New static variables.
8075 (regmove_optimize): Free the new array.
8076 (fixup_match_1): Update call of reg_is_remote_constant_p.
8078 2006-07-26 Jan Hubicka <jh@suse.cz>
8080 PR tree-optimization/27882
8081 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8083 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8085 (cgraph_analyze_compilation_unit): Likewise.
8086 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8087 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8088 (cgraph_early_inlinine): Make order garbage collected.
8089 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8091 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8093 * dbxout.c (output_types_sort): Add a comment.
8094 (output_used_types): Free the VEC.
8096 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8098 * function.c (reorder_fix_fragments): Delete.
8099 (reorder_blocks): Don't call it.
8100 (reorder_blocks_1): Put all subblocks under the origin block.
8102 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8104 PR rtl-optimization/27907
8105 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8108 2006-07-25 Roger Sayle <roger@eyesopen.com>
8111 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8112 bar(x) check that bar's result type can represent all the values of T.
8114 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8116 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8118 2006-07-25 Nick Clifton <nickc@redhat.com>
8120 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8121 size_lookup[] array.
8122 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8123 (ggc_pch_count_object): Likewise.
8124 (ggc_pch_alloc_object): Likewise.
8125 (ggc_pch_write_object): Likewise.
8126 (init_ggc): Do not attempt to initialize entries in the
8127 size_lookup[] array for objects whose size is greater than than
8128 the length of the array.
8130 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8132 * dbxout.c (output_used_types_helper): Push queued types
8134 (output_types_sort): New.
8135 (output_used_types): Collect used types on a VEC and sort them
8138 2006-07-24 Richard Guenther <rguenther@suse.de>
8141 * cgraph.c (cgraph_remove_node): Do not check if dumps
8143 * cgraphunit.c (cgraph_optimize): Likewise.
8145 2006-07-24 Jan Hubicka <jh@suse.cz>
8147 PR rtl-optimization/28071
8148 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8149 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8150 splitting before first stmt.
8152 2006-07-24 Jan Hubicka <jh@suse.cz>
8154 PR rtl-optimization/28071
8155 * ipa-inline.c (update_caller_keys): Remove edges that
8156 are no longer inline candidates.
8158 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8161 * dbxout.c (output_used_types_helper, output_used_types): New.
8162 (dbxout_symbol): Call output_used_types.
8164 2006-07-23 Jan Hubicka <jh@suse.cz>
8168 * cgraph.c (cgraph_varpool_nodes): Export.
8169 (decide_is_variable_needed): Ignored "used" attribute in
8170 unit-at-a-time mode.
8171 * cgraph.h (cgraph_varpool_nodes): Declare.
8172 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8173 unit-at-a-time mode.
8175 2006-07-23 Roger Sayle <roger@eyesopen.com>
8178 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8179 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8180 the __gthrw form of thr_keycreate.
8181 (__gthread_key_delete): Silence the unused argument warning.
8183 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8186 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8187 Cache the last found '\0' marker to avoid quadratic behavior.
8189 2006-07-23 Jan Hubicka <jh@suse.cz>
8191 * i386.md (subsi_3_zext): Fix output template.
8193 2006-07-21 Mike Stump <mrs@apple.com>
8195 * doc/invoke.texi (C++ Dialect Options): Note that
8196 -fvisibility-inlines-hidden doesn't affect explicitly
8197 instantiationed inline methods.
8199 2006-07-20 Roger Sayle <roger@eyesopen.com>
8201 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8202 if the target assembler is GNU binutils' gas.
8203 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8204 whether to pass GNU gas or native as command line options.
8206 2006-07-20 Jason Merrill <jason@redhat.com>
8208 * tree.c (remove_attribute): New fn.
8209 * tree.h: Declare it.
8211 2006-07-20 Paul Brook <paul@codesourcery.com>
8214 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8215 they are invalidated by this instruction.
8217 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8220 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8222 2006-07-20 Eric Christopher <echristo@apple.com>
8225 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8227 2006-07-19 Eric Christopher <echristo@apple.com>
8229 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8230 Rewrite dependencies for libgcc_s.1.dylib.
8232 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8234 * except.c (duplicate_eh_regions_1): Clear next_peer.
8236 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8238 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8239 -mlongcall does not guarantee all calls will be long.
8240 * doc/extend.texi (long_call/short_call): Document that longcall
8241 does not guarantee a long call will be used.
8242 (longcall/shortcall): Likewise.
8244 2006-07-18 Roger Sayle <roger@eyesopen.com>
8247 * expmed.c (expand_shift): Additionally check that the shift_cost
8248 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8249 before implementing a LSHIFT_EXPR as a sequence of additions.
8250 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8251 middle-end that DImode shifts need to be synthesized by expand.
8253 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8256 * tree-ssa-operands.c (access_can_touch_variable): Update
8258 Return true if ALIAS is .GLOBAL_VAR.
8260 2006-07-18 David Daney <ddaney@avtrex.com>
8262 * gcc.c (display_help): Fix typo in help text.
8264 2006-07-18 Olivier Hainque <hainque@adacore.com>
8266 * tree.h (categorize_ctor_elements): Adjust prototype and add
8267 descriptive comment, both in accordance with the interface change
8269 * varasm.c (constructor_static_from_elts_p): New function.
8270 Whether a constructor node is a valid static constant initializer
8271 if all its elements are.
8272 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8273 * output.h: Declare it.
8274 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8275 is a valid constant initializer instead of computing the number of
8276 non-constant elements. Use constructor_static_from_elts_p for this
8277 purpose. Replace the head comment with an indication that this is a
8278 helper for categorize_ctor_elements.
8279 (categorize_ctor_elements): Same interface change as for the _1
8280 helper. Former head comment from this helper moved here, adjusted to
8281 account for the interface changes.
8282 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8283 (all_zeros_p): Likewise.
8284 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8285 static versions of the constructor from the categorize_ctor_elements
8286 return value instead of the formerly computed number of non-constant
8289 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8291 * configure: Regenerate.
8292 * Makefile.in (build_libsubdir): New configure substitution
8293 (build_libobjdir): New variable.
8294 (BUILD_LIBIBERTY): Use it.
8296 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8299 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8301 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8304 * c-common.c (handle_weakref_attribute): Ignore attribute in
8305 the same conditions the alias attribute is ignored.
8307 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8309 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8310 (dbxout_begin_prologue): Increment scope_labelno.
8312 2006-07-17 Richard Henderson <rth@redhat.com>
8315 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8318 2006-07-17 Roger Sayle <roger@eyesopen.com>
8319 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8321 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8322 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8323 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8324 functions such as sbrk, write, etc.. Add function prototypes.
8325 Convert function declarations from K&R to ISO C. Cast pointers
8326 to "long" and "unsigned long" instead of "int" and "unsigned int".
8327 Convert tokens following #endif into comments.
8329 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8331 * invoke.texi: Remove mention of f77; Reformat table for
8332 inline parameter options correctly; mention that -malign-double
8333 is default on x86-64 targets.
8335 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8337 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8338 (convert_affine_scev, chrec_convert_aggressive): Use
8339 avoid_arithmetics_in_type_p. Do not check for the subtypes
8342 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8345 * optabs.c (expand_doubleword_shift): Wrap the call to
8346 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8348 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8351 * optabs.c (expand_binop): Pass next_methods rather than methods
8352 to expand_doubleword_shift.
8354 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8357 * tree.h (dump_addr): Declare.
8358 * print-tree.c (dump_addr): New function.
8359 (print_node_brief, print_node): Use it.
8360 * print-rtl.c (print_rtx): Likewise.
8361 * common.opt (-fdump-noaddr): New option.
8362 * doc/invoke.texi (-fdump-noaddr): Document.
8363 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8364 (ve_info_hash): Likewise.
8366 2006-07-13 Andrew Haley <aph@redhat.com>
8368 PR tree-optimization/19505
8369 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8370 edge leaving this block, make sure that the destination of this
8371 block has only one predecessor.
8373 2006-07-17 Richard Guenther <rguenther@suse.de>
8375 PR tree-optimization/28238
8376 * tree-inline.c (copy_bb): Check if we produced valid
8377 gimple copying and substituting a stmt. If not, gimplify
8380 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8382 * optabs.c (maybe_encapsulate_block): New function extracted from...
8383 (emit_libcall_block): ...here. Invoke it on the block of insns to
8384 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8385 (emit_no_conflict_block): Likewise.
8387 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8389 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8391 2006-07-15 Roger Sayle <roger@eyesopen.com>
8393 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8394 a new NOP_EXPR case of the switch statement.
8396 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8399 * stor-layout.c (place_field): Take the bit field with
8400 an excessive size into account in the ms-bitfiled case.
8403 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8404 the previous bit field.
8406 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8409 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8411 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8413 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8414 signal frames correctly even when the signal was installed with
8417 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8419 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8420 (dbxout_function_end): Use local label LFBB. Remove hook
8422 (dbxout_source_line): Use local label LFBB.
8423 (dbxout_block): Likewise.
8424 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8425 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8426 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8427 and DBX_OUTPUT_NFUN.
8429 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8431 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8433 2006-07-13 Jan Hubicka <jh@suse.cz>
8435 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8437 * output.h (align_variable): Declare.
8438 * varasm.c (align_variable): Export.
8439 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8440 when basic block changed.
8442 2006-07-13 Nick Clifton <nickc@redhat.com>
8444 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8445 walking the LOG_LINKS chain.
8447 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8449 * doc/invoke.texi (C++ Dialect Options): Explain difference
8450 between -fvisibility-inlines-hidden and setting hidden
8451 visibility explicitly.
8453 2006-07-12 Eric Christopher <echristo@apple.com>
8455 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8456 (stmp-lipo): Depend on libgcc.a.
8458 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8460 * tree.c: Fix a comment typo.
8462 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8464 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8466 (umulhisi3_r): Likewise.
8468 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8471 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8472 x < 19, vs wchar_t support.
8474 2006-07-12 Nick Clifton <nickc@redhat.com>
8476 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8477 instead of -isa=sh4.
8479 2006-07-12 Mike Stump <mrs@apple.com>
8481 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8483 2006-07-10 Eric Christopher <echristo@apple.com>
8485 * config/t-slibgcc-darwin: Rewrite.
8487 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8490 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8493 2006-07-08 Matthias Klose <doko@debian.org>
8495 * doc/sourcebuild.texi: Fix typo.
8497 2006-07-07 Mike Stump <mrs@apple.com>
8499 * toplev.c (process_options): Don't give -ffunction-sections may
8500 affect debugging warning for Mach-O.
8502 2006-07-07 James E Wilson <wilson@specifix.com>
8504 * config/mips/mips.md (cpu): Add sb1a.
8505 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8506 addition to sb1. Adjust comments to clarify SB-1A differences from
8508 (ir_sb1a_load): New. Modify bypasses to use it.
8509 (ir_sb1a_simple_alu): Likewise.
8510 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8511 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8512 (mips_issue_rate): Add PROCESSOR_SB1A.
8513 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8514 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8515 (TARGET_SB1): Add PROCESSOR_SB1A check.
8516 (TUNE_SB1): Likewise.
8518 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8519 * config/mips/mips.c (mips_store_data_bypass_p): New.
8520 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8521 store_data_bypass_p.
8523 2006-07-08 Paul Brook <paul@codesourcery.com>
8526 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8528 2006-07-07 Richard Guenther <rguenther@suse.de>
8531 * tree.h (build_one_cst): Declare.
8532 * tree.c (build_one_cst): New function.
8533 * tree-ssa-math-opts.c (get_constant_one): Remove.
8534 (insert_reciprocals): Use build_one_cst.
8535 * fold-const.c (fold_plusminus_mult): Likewise.
8537 2006-07-07 Roger Sayle <roger@eyesopen.com>
8539 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8540 * cfgloopanal.c (dump_graph): Likewise.
8541 * dojump.c (discard_pending_stack_adjust): Likewise.
8542 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8544 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8545 * function.c (finalize_block_changes): Likewise.
8546 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8547 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8548 * rtl.c (dump_rtx_statistics): Likewise.
8549 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8551 * varray.c (dump_varray_statistics): Likewise.
8552 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8553 decode_decimal64, encode_decimal128, decode_decimal128,
8554 decimal_real_to_decimal): Likewise.
8556 2006-07-07 Richard Guenther <rguenther@suse.de>
8558 PR tree-optimization/28187
8559 * tree-vrp.c (vrp_operand_equal_p): New function.
8560 (vrp_bitmap_equal_p): Likewise.
8561 (update_value_range): Use them to compare old and new
8564 2006-07-06 Roger Sayle <roger@eyesopen.com>
8566 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8567 a default case to switch statement to silence compiler warnings.
8569 2006-07-06 Roger Sayle <roger@eyesopen.com>
8572 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8573 the configured assembler supports the x87's ffreep mnemonic.
8574 * configure: Regenerate.
8575 * config.in: Regenerate.
8577 * config/i386/i386.c (output_387_ffreep): New function.
8578 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8579 (output_387_reg_move): Likewise.
8581 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8583 Port to hosts whose 'sort' and 'tail' implementations
8584 treat operands with leading '+' as file names, as POSIX
8585 has required since 2001. However, make sure the code still
8586 works on pre-POSIX hosts.
8587 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8588 which says you should use "tail -c +N" rather than "tail +Nc".
8589 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8591 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8593 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8596 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8599 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8600 PRE_{INC,DEC} of TFmode.
8602 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8603 Alan Modra <amodra@bigpond.net.au>
8606 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8609 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8612 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8613 Remove duplicate gtu.
8615 2006-07-05 Jason Merrill <jason@redhat.com>
8619 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8620 * c-common.c (handle_packed_attribute): So don't copy it here.
8621 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8623 2006-07-05 Mike Stump <mrs@apple.com>
8625 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8627 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8630 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8632 2006-07-05 Richard Guenther <rguenther@suse.de>
8635 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8636 TARGET_SSE2 targets if using SSE math.
8637 (*absdf2_1): Likewise.
8639 2006-07-05 Richard Guenther <rguenther@suse.de>
8641 PR tree-optimization/28162
8642 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8643 make sure to convert the operands to the correct type.
8645 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8647 PR tree-optimization/28218
8649 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8650 to calculate and free the dominator information.
8652 2006-07-04 Peter O'Gorman <peter@pogma.com>
8654 * mklibgcc.in: chmod 644 before ranlib during install.
8656 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8657 J"orn Rennecke <joern.rennecke@st.com>
8659 * configure.ac (.eh_frame data check): Use diff -b.
8661 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8664 * Makefile.in (BUILD_RTL): Add build/vec.o.
8665 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8666 (build/genextract): Delete.
8667 (build/genautomata): Likewise.
8669 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8672 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8673 128-bit IBM long doubles for ABI_V4.
8675 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8677 * tree.c (range_in_array_bounds_p): New predicate.
8678 * tree.h (range_in_array_bounds_p): Declare it.
8679 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8680 return a less conservative answer.
8681 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8682 and flag 'is_group'.
8683 (IS_ELEMENT_FOR_GROUP): New macro.
8684 (FOR_EACH_ACTUAL_CHILD): Likewise.
8685 (next_child_for_group): New helper function.
8686 (can_completely_scalarize_p): Take into account groups.
8687 (sra_hash_tree): Handle RANGE_EXPR.
8688 (sra_elt_eq): Likewise.
8689 (lookup_element): Be prepared for handling groups.
8690 (is_valid_const_index): Delete.
8691 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8692 instead of is_valid_const_index.
8693 <ARRAY_RANGE_REF>: New case.
8694 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8695 is_valid_const_index.
8696 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8697 (scan_dump): Dump info for groups too.
8698 (decide_instantiation_1): Likewise.
8699 (decide_block_copy): Assert that the element is not a group.
8700 Propagate decision to groups.
8701 (generate_one_element_ref): Handle RANGE_EXPR.
8702 (mark_no_warning): Iterate over actual childs.
8703 (generate_copy_inout): Likewise.
8704 (generate_element_copy): Likewise.
8705 (generate_element_zero): Likewise.
8706 (generate_element_init_1): Likewise.
8707 (dump_sra_elt_name): Handle RANGE_EXPR.
8709 2006-07-03 Roger Sayle <roger@eyesopen.com>
8711 PR tree-optimization/26251
8712 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8713 (thread_block): When optimizing for size refuse to thread jumps
8714 that would require duplication of blocks other than redirection
8717 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8719 * configure.ac: Fix thinko in previous check-in.
8720 * configure: Regenerate.
8722 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8725 * configure.ac (for lang...): Simplify nesting of conditionals.
8726 Test subdir_requires for non-enabled languages. Move processing
8727 of lang_opt_files and lang_tree_fiels below that test.
8728 * configure: Regenerate.
8729 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8731 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8733 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8735 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8737 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8740 2006-06-29 Jason Merrill <jason@redhat.com>
8747 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8748 * c-common.c (c_determine_visibility): Handle it here.
8749 * c-decl.c (finish_decl): Call c_determine_visibility for
8751 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8753 * varasm.c (default_assemble_visibility): Likewise.
8754 * c-common.c (handle_visibility_attribute): Complain about trying
8755 to give visibility to an already defined class, or trying to change
8756 declared visibility. Always attach the attribute.
8761 * attribs.c (decl_attributes): Ignore type-in-place attributes
8762 once the type has been defined.
8764 2006-06-29 Roger Sayle <roger@eyesopen.com>
8767 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8768 to indicate the cpplib has issued an error message for us.
8770 2006-06-29 Asher Langton <langton2@llnl.gov>
8773 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8774 insert a label at the end of an function under Mach-O.
8776 2006-06-29 Eric Christopher <echristo@apple.com>
8777 Evan Cheng <evan.cheng@apple.com>
8779 * predicates.md (vector_all_ones_operand): New.
8780 (nonimmediate_or_sse_const_operand): Ditto.
8781 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8782 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8783 (standard_sse_mode_p): Ditto.
8784 (standard_sse_constant_p): Add case for -1 vector.
8785 (ix86_expand_vector_move): Try to use.
8786 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8787 Call standard_sse_constant_opcode.
8788 (*movv4sf_internal): Ditto.
8789 (*movv2df_internal): Ditto.
8791 2006-06-29 Roger Sayle <roger@eyesopen.com>
8793 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8794 of XEXP to extract the operands of a MATCH_CODE rtx.
8796 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8798 * tree.c (tree_size): Do not waste tail padding in
8799 struct tree_string and make the size be the same as
8800 build_string will generate.
8802 2006-06-28 Jason Merrill <jason@redhat.com>
8805 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8806 may_aliases already in the tag's annotations to the bitmap.
8808 2006-06-28 Roger Sayle <roger@eyesopen.com>
8810 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8812 2006-06-28 Roger Sayle <roger@eyesopen.com>
8814 * genpreds.c (generate_switch_p): New function.
8815 (add_mode_tests): Push the new mode test down inside an AND expr
8816 if this allows the switch-suitable MATCH_CODE to be near the root.
8817 (write_match_code_switch): New function to write a MATCH_CODE as
8819 (write_predicate_stmts): New function to write a predicate RTX
8820 expression as a sequence of statements.
8821 (write_one_predicate_function): Use write_predicate_stmts.
8822 (write_tm_constrs_h): Likewise.
8824 2006-06-26 Fred Fish <fnf@specifix.com>
8826 * config/mips/t-sb1: New file.
8827 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8830 2006-06-26 DJ Delorie <dj@redhat.com>
8832 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8834 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8835 Jayant Sonar <jayants@kpitcummins.com>
8836 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8838 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8839 (subsi3, subsi3_1, subsi3_2): New.
8840 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8841 * config/m32c/mov.md (SI mov peephole): New.
8842 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8843 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8845 2006-06-26 Olivier Hainque <hainque@adacore.com>
8847 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8848 a CALL_EXPR target function declaration.
8850 2006-06-26 Richard Guenther <rguenther@suse.de>
8852 * tree.c (build_string): Do not waste tail padding in
8855 2006-06-26 Richard Guenther <rguenther@suse.de>
8857 * ggc-page.c (init_ggc): Add missing element to size_lookup
8861 2006-06-23 Richard Guenther <rguenther@suse.de>
8863 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8864 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8865 alignment requests instead. Add verification code.
8866 Add struct tree_function_decl and struct tree_binfo size to
8867 extra_order_size_table. Add missing element to size_lookup
8870 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8873 * fold-const.c (const_binop): Be prepared for self returning zero.
8874 Simplify code handling complex values.
8876 2006-06-24 Olivier Hainque <hainque@adacore.com>
8878 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8879 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8882 2006-06-24 Olivier Hainque <hainque@adacore.com>
8884 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8885 ARRAY_REF, so have the callback called for the low bound expression.
8887 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8889 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8890 * c-typeck.c (c_common_type): Disallow operations on decimal float
8891 types and other float types.
8892 * convert.c (convert_to_real): Don't ignore conversions involving
8893 decimal float types.
8895 2006-06-23 Olivier Hainque <hainque@adacore.com>
8897 * tree.c (max_int_size_in_bytes): New function, inspired from
8898 code in function.c:assign_temp.
8899 * tree.h (max_int_size_in_bytes): Declare.
8900 * function.c (assign_temp): Use it.
8901 * gimplify.c (create_tmp_var): Relax the assertions on the type
8902 properties, not mandating constant size any more.
8903 (force_constant_size): New static function.
8904 (gimple_add_tmp_var): Use it, forcing variable size to a
8905 constant upper bound if it is not constant on entry.
8907 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8910 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8911 for initialization and setting of one_only flag to ...
8912 (i386_pe_encode_section_info): ...here.
8913 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8914 Recheck that the symbol has not been defined.
8916 2006-06-23 Richard Guenther <rguenther@suse.de>
8918 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8919 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8920 alignment requests instead. Add verification code.
8921 Add struct tree_function_decl and struct tree_binfo size to
8922 extra_order_size_table. Add missing element to size_lookup
8925 2006-06-22 Roger Sayle <roger@eyesopen.com>
8926 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8929 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8930 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8932 2006-06-23 Ben Elliston <bje@au.ibm.com>
8934 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8935 negate dn -- manipulate it directly.
8937 2006-06-22 Roger Sayle <roger@eyesopen.com>
8938 Steven Bosscher <stevenb.gcc@gmail.com>
8941 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8942 generated by gen_move_insn to add REG_LABEL notes if necessary.
8944 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8946 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8947 (leaf_entry): Remove use of MIN_ESA.
8949 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8951 PR rtl-optimization/28121
8952 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8955 2006-06-21 DJ Delorie <dj@redhat.com>
8957 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8959 (mulhisi3_r): Likewise.
8961 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8964 * coverage.c (coverage_counter_alloc): Leave the index type
8966 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8969 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8971 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8972 section from the "Options for Code Generation Conventions".
8974 2006-06-21 Richard Henderson <rth@redhat.com>
8978 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8980 (global_symbolic_operand): Allow weak symbols, even if local_p.
8982 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8984 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8985 (find_interesting_uses_address): Punt if above function returns true.
8987 2006-06-21 Richard Guenther <rguenther@suse.de>
8989 * configure: Regenerated.
8991 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8993 * config/mips/mips.c (function_arg): Where one part of a
8994 complex argument is in registers and the other part in the stack,
8995 return a REG not a PARALLEL.
8997 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8999 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9000 when cross-compiling. Do not substitute libstdcxx_incdir.
9001 * configure: Regenerated.
9003 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9005 * varasm.c (mergeable_string_section): Check for embedded NULs and
9006 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9007 rather than TREE_STRING_LENGTH bytes.
9009 2006-06-21 Richard Guenther <rguenther@suse.de>
9011 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9012 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9015 2006-06-21 Richrad Guenther <rguenther@suse.de>
9017 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9018 Limit iteration over the dominators.
9020 2006-06-20 Roger Sayle <roger@eyesopen.com>
9022 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9023 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9025 2006-06-20 Richard Guenther <rguenther@suse.de>
9026 Michael Matz <matz@suse.de>
9028 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9030 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9031 * et-forest.h (et_free_pools): Prototype new function.
9032 * et-forest.c (et_free_tree_force): Free parent occurrence.
9033 (et_free_pools): New function.
9034 * dominance.c (free_dominance_info): Free et-forest alloc
9037 2006-06-20 Roger Sayle <roger@eyesopen.com>
9039 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9040 integer modes, attempt to directly construct an integer constant.
9042 * fold-const.c (native_encode_vector): Determine the size of each
9043 element from the vector type instead of the first vector element.
9045 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9046 if all of its elements/components are constant.
9047 (build_constructor_from_list): Likewise.
9049 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9051 PR tree-optimization/27331
9052 * tree-data-ref.c (free_data_ref): New function.
9053 (create_data_ref): Fail if the data reference has unknown access
9055 (free_data_refs): Use free_data_ref.
9057 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9060 * tree-inline.c (setup_one_parameter): Strip useless
9061 type conversion before adding it to the IR.
9062 (declare_return_variable): Likewise.
9064 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9067 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9069 2006-06-19 Mike Stump <mrs@apple.com>
9071 * tree.c (variably_modified_type_p): VM arguments don't make the
9074 2006-06-19 Richard Guenther <rguenther@suse.de>
9076 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9077 type conversions after folding.
9079 2006-06-19 Richard Guenther <rguenther@suse.de>
9081 * ggc-page.c (extra_order_size_tab): Add entries with
9082 size of struct function and basic_block.
9083 (size_lookup): Extend to cover sizes up to 511.
9084 (ggc_alloc_stat): Adjust user.
9085 (ggc_pch_count_object): Likewise.
9086 (ggc_pch_alloc_object): Likewise.
9087 (ggc_pch_write_object): Likewise.
9089 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9091 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9092 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9095 2006-06-19 Denis Chertykov <denisc@overta.ru>
9097 * config/avr/libgcc.S : Correct my wrong previous commit.
9099 2006-06-19 Roger Sayle <roger@eyesopen.com>
9102 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9103 have stripped a SUBREG from the shift count, so we may need to
9104 convert_to_mode back to the type's mode before calling make_tree.
9105 Use new_amount instead of amount to avoid expanding a tree twice.
9107 2006-06-19 Richard Guenther <rguenther@suse.de>
9110 * fold-const.c (operand_equal_p): Check if the argument types
9111 have the same precision before stripping NOPs.
9113 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9115 Fix PR tree-optimization/27341
9116 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9118 * tree-complex.c (pass_lower_complex): Update SMT usage.
9120 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9122 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9123 Add a new alternative to the constraint strings. Add move of
9124 operand 1 to 3 to the splitter definition.
9125 ("doloop_si_long"): Second contraint alternative removed.
9127 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9129 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9130 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9132 (AVR_HAVE_MOVW) Define.
9133 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9134 (ASM_SPEC): Add avr25.
9135 (LINK_SPEC): Add avr25.
9136 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9137 (base_arch_s): Add new member 'have_movw_lpmx'.
9138 (avr_arch_types): Init 'have_movw_lpmx'.
9139 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9140 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9141 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9142 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9143 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9145 (avr_file_start): Do not output '.arh' derective.
9146 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9147 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9148 * config/avr/avr.md (mcu_enhanced): Delete.
9149 (mcu_have_movw): Define.
9150 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9151 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9152 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9153 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9154 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9155 attiny861 and at86rf401 devices.
9157 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9159 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9162 2006-06-17 Karl Berry <karl@gnu.org>
9164 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9165 doc/gccint.texi, doc/install.texi (@dircategory): Use
9166 "Software development" instead of "Programming", following
9167 the Free Software Directory.
9169 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9171 * config/i386/i386.c (legitimate_tls_address)
9172 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9173 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9174 (*tls_dynamic_gnu2_combine_64): Likewise.
9176 2006-06-16 Richard Guenther <rguenther@suse.de>
9179 * fold-const.c (negate_expr_p): Do not introduce undefined
9180 overflow in negating INTEGER_CSTs.
9181 (fold_negate_expr): Rename from negate_expr. Revert last
9182 change for folding BIT_NOT_EXPR. Change semantics to
9183 return NULL_TREE for non-simplified negations. Do not
9184 strip type conversions and unify type handling.
9185 (negate_expr): New function, wrap around fold_negate_expr
9186 but ensure building a tree always. Strip type conversions
9187 here, fold to result type.
9188 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9190 2006-06-16 Roger Sayle <roger@eyesopen.com>
9193 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9194 that (would) return their results in stack registers.
9196 2006-06-16 Michael Matz <matz@suse.de>
9197 Richard Guenther <rguenther@suse.de>
9199 * fold-const.c (fold_truthop): Only return new tree node if
9200 we canonicalized something.
9202 2006-06-16 Richard Guenther <rguenther@suse.de>
9204 * function.h (enum function_frequency): Move declaration
9205 out of struct function.
9206 (struct function): Move bool fields and the enum to the bitfield
9207 section. Reorder elements to avoid padding. Remove unused
9208 fields left over from the RTL inliner removal.
9209 * function.c (free_after_compilation): Do not zero removed fields.
9210 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9211 (ipa-type-escape.o): Likewise.
9213 2006-06-16 Richard Guenther <rguenther@suse.de>
9215 * cgraph.h (struct cgraph_local_info): Turn bool elements
9217 (struct cgraph_node): Likewise.
9218 (struct cgraph_varpool_node): Likewise.
9220 2006-06-15 Richard Guenther <rguenther@suse.de>
9222 * fold-const.c (fold_truth_not_expr): Rename from
9223 invert_truthvalue. Give it fold_* semantics to avoid
9225 (invert_truthvalue): New function. Wrapper around
9226 fold_truth_not_expr.
9227 (optimize_minmax_comparison): Avoid creating garbage.
9228 (fold_unary): Use fold_truth_not_expr for folding
9230 (fold_ternary): Replace uses of invert_truthvalue with
9231 fold_truth_not_expr where applicable.
9232 * tree.h (fold_truth_not_expr): Prototype.
9234 2006-06-16 Richard Guenther <rguenther@suse.de>
9236 PR tree-optimization/27781
9237 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9238 * ipa-pure-const.c (target.h): Include.
9239 (analyze_function): Do not analyze functions that do not
9242 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9245 * tree-dfa.c (referenced_vars_dup_list): Remove.
9246 (find_referenced_vars): Remove assert.
9247 (referenced_var_check_and_insert): Replace dup list with assert.
9248 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9249 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9251 2006-06-15 Richard Guenther <rguenther@suse.de>
9253 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9254 extra unused identifiers if not dumping.
9255 (create_variable_info_for): Likewise.
9257 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9259 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9260 (derive_constant_upper_bound): Derive more precise upper bound in
9261 common cases. Return type changed to double_int.
9262 (record_estimate): Reflect the changed return type of
9263 derive_constant_upper_bound.
9264 * double-int.c (double_int_zext, double_int_sext): Fix.
9266 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9268 * configure.ac (CFLAGS): Get them from the toplevel or from the
9269 configure invocation.
9270 * configure: Regenerate.
9271 * Makefile.in (CFLAGS): Substitute value provided by configure.
9273 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9276 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9277 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9278 rather than calling add_stmt on it.
9279 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9281 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9284 * reload1.c (reload): Remove registers returned by update_eliminables
9285 from used_spill_regs.
9287 2006-06-13 DJ Delorie <dj@redhat.com>
9289 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9291 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9293 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9294 html__strip_dir, html__mkdir_p. Enhance install-html target.
9295 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9296 * configure: Regenerate.
9298 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9300 * fold-const.c (fold_cond_expr_with_comparison): Check for
9301 Objective-C++ as language in deciding COND_EXPR transformation.
9303 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9306 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9307 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9308 * config/sh/lib1funcs.h (SL, SL1): Define.
9309 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9310 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9311 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9312 (OBJS_Os_4_200): New variable.
9313 ($(T)libgcc-Os-4-200.a): Use it.
9314 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9315 when dividing 1 and/or by 0.
9317 2006-06-13 Roger Sayle <roger@eyesopen.com>
9319 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9320 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9321 * configure: Regenerate.
9323 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9325 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9326 for real instruction.
9328 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9331 * haifa-sched.c (check_cfg): Handle special case.
9333 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9336 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9337 Add debug_info parameter. Chain the vars to the BLOCK instead
9338 of the BIND_EXPR if debug info are requested for them.
9339 (pop_gimplify_context): Adjust for above change.
9340 (gimple_add_tmp_var): Likewise.
9341 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9343 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9344 (convert_local_reference): Likewise.
9345 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9346 (finalize_nesting_tree_1): Request that debug info be emitted
9347 for debug_var_chain.
9349 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9351 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9352 for PR target/27863.
9354 2006-06-13 Richard Guenther <rguenther@suse.de>
9357 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9359 2006-06-13 Richard Guenther <rguenther@suse.de>
9361 PR tree-optimization/27830
9362 * tree-inline.c (copy_body_r): For copying the operand
9363 of an ADDR_EXPR make sure to fold &* afterwards.
9365 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9367 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9368 lvalues in the fb_none case with side-effects.
9370 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9372 * tree-flow.h: Remove the prototype for
9373 compute_phi_arg_on_exit.
9374 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9375 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9378 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9380 * builtins.c (expand_builtin_return_addr): Only use
9381 frame_pointer_rtx when count == 0 and we are expanding
9382 __builtin_return_address.
9384 2006-06-12 Fred Fish <fnf@specifix.com>
9386 * config/mips/mips.c (mips_file_start): Create special section
9387 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9389 2006-06-11 Eric Christopher <echristo@apple.com>
9392 * stor-layout.c (place_field): Remove check for
9393 remaining_in_alignment when aligning at the end of a run.
9395 2006-06-11 Eric Christopher <echristo@apple.com>
9398 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9401 2006-06-11 Roger Sayle <roger@eyesopen.com>
9404 Revert incorrect fix for PR target/27158
9405 2006-05-08 Roger Sayle <roger@eyesopen.com>
9406 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9407 of a reg_equiv_constant if the result is a legitimate constant.
9409 2006-06-11 Roger Sayle <roger@eyesopen.com>
9412 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9413 extract a CONST_VECTOR element and interpret it as an integer.
9414 (vspltis_constant): Use const_vector_elt_as_int instead of the
9415 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9416 * config/rs6000/predicates.md (easy_vector_const): Consider
9417 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9419 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9422 * stor-layout.c (update_alignment_for_field): Don't add extra
9423 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9426 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9428 * config/mips/t-rtems: Add EL/EB multilib variants.
9430 2006-06-09 Mike Stump <mrs@apple.com>
9432 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9434 2006-06-09 David Daney <ddaney@avtrex.com>
9436 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9438 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9440 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9442 2006-06-09 Richard Guenther <rguenther@suse.de>
9444 PR tree-optimization/26998
9445 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9446 of signed types, only TYPE_MIN_VALUE is special, but for both,
9447 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9448 in this case, as is -fwrapv.
9450 2006-06-08 Mike Stump <mrs@apple.com>
9453 * config/darwin.c (darwin_asm_output_anchor): Disable
9454 -fsection-anchors on darwin for now.
9455 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9456 * rs6000/rs6000.c (optimization_options): Likewise.
9458 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9461 * config/i386/i386.c (classify_argument): Skip fields with invalid
9464 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9466 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9467 (cse_insn): Likewise for the stack_pointer_rtx.
9469 2006-06-08 Roger Sayle <roger@eyesopen.com>
9471 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9472 conditions from floating point comparisons.
9474 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9477 * expmed.c (struct alg_hash_entry): Fix type of field T
9478 to match synth_mult argument.
9479 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9481 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9484 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9487 2006-06-08 Richard Guenther <rguenther@suse.de>
9490 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9491 only, if overflow is defined and not trapping.
9492 (negate_expr): Likewise.
9494 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9496 PR tree-optimization/27872
9497 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9498 flag on the new exit edge of the unrolled loop.
9500 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9502 PR rtl-optimization/26449
9503 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9505 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9508 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9509 referenced_variables with matching DECL_UID's.
9510 (find_referenced_vars): Make sure duplicate list is empty to start.
9511 (referenced_var_p): Remove.
9512 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9513 Check if var is in the list, and add if needed. Update the duplicate
9514 list if a different var is in the list with the same DECL_UID.
9515 (add_referenced_var): Call routine to check and insert.
9516 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9517 * tree-flow.h (referenced_vars_dup_list): External declaration.
9519 2006-06-07 Fred Fish <fnf@specifix.com>
9521 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9524 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9527 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9528 the imaginary and real parts of a clobbered register.
9529 Emit insn to set the imaginary part.
9531 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9533 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9534 in lieu of unwind-dw2-fde.c.
9536 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9538 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9540 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9543 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9544 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9545 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9546 V4SImode temporaries and operations instead.
9548 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9550 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9553 2006-06-06 Mike Stump <mrs@apple.com>
9555 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9556 installing during build.
9558 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9560 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9562 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9563 * config/ia64/ia64.c (params.h): New header.
9564 (ia64_optimization_options): New function to adjust parameters.
9565 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9566 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9567 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9569 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9571 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9573 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9576 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9578 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9579 Victor Kaplansky <victork@il.ibm.com>
9581 PR tree-optimization/26360
9582 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9585 2006-06-04 Roger Sayle <roger@eyesopen.com>
9586 Andrew Pinski <pinskia@physics.uc.edu>
9589 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9590 for LABEL_DECL before calling DECL_WEAK.
9593 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9594 LABEL_DECL and PARM_DECL.
9596 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9600 * c-decl.c (grokdeclarator): Disallow variably modified types at
9601 file scope. Avoid marking shared array type of constant size as
9604 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9607 * c-common.c (fold_offsetof_1): Handle static members.
9609 2006-06-04 Eric Christopher <echristo@apple.com>
9611 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9612 (debug_rli): Output value for remaining_in_alignment.
9613 (update_alignment_for_field): Unconditionalize
9614 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9615 extra alignment code.
9616 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9617 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9618 * tree.h (record_layout_info_s): Remove prev_packed.
9619 * doc/extend.texi (ms_struct): Add documentation of format.
9621 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9623 * tree.h: Declare folding_initializer.
9624 * builtins.c (fold_builtin_constant_p): Give definite answer
9625 if folding inside an initializer.
9626 * fold-const.c: Define folding_initializer.
9627 (START_FOLD_INIT): Save and then set folding_initializer.
9628 (END_FOLD_INIT): Restore folding_initializer.
9630 2006-06-04 Richard Guenther <rguenther@suse.de>
9632 PR tree-optimization/27039
9633 * fold-const.c (fold_comparison): Handle pointer comparison
9634 again for all comparison codes. Compare offsets in signed
9636 (fold_binary): Move code from here.
9638 2006-06-03 Roger Sayle <roger@eyesopen.com>
9641 * config/i386/i386.c (construct_container): Split static issued_error
9642 flag into issued_sse_arg_error, issued_sse_ret_error and
9643 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9644 requires the use of x87 registers and the user explicitly
9645 specified the -mno-80387 command line option.
9647 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9649 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9650 HAVE_DECL_SIGALTSTACK.
9652 (segv_handler): Use MC_FLD.
9653 * configure.ac: Check for a sigaltstack declaration.
9654 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9655 * configure: Regenerate.
9656 * config.in: Regenerate.
9658 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9661 * Makefile.in (stmp-fixinc): Fix typo.
9663 2006-06-02 Roger Sayle <roger@eyesopen.com>
9665 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9666 are type correct. Clean-up.
9667 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9668 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9670 2006-06-01 DJ Delorie <dj@redhat.com>
9672 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9673 shift, as we've disabled the "switch" insn that needs it.
9675 2006-06-01 Per Bothner <bothner@bothner.com>
9677 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9678 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9679 * c-ppoutput.c (cb_define): Don't increment line 0.
9681 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9683 * doc/invoke.texi: Add cpu_type power6.
9684 * config.gcc: Add cpu_type power6.
9685 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9686 to power5+ with Altivec.
9687 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9688 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9690 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9692 * config/avr/avr.h (SET_ASM_OP): Define.
9694 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9696 * config/bfin/bfin.c: Fix comment typos.
9698 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9701 * doc/install.texi: Document --enable-bootstrap and
9702 --disable-bootstrap.
9704 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9706 * doc/install.texi: Document that InfoZIP can replace jar.
9708 2006-05-31 Roger Sayle <roger@eyesopen.com>
9710 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9711 isn't available, directly generate the simpler x87 patterns without
9712 the (use (const_int 0)).
9713 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9714 implementation isn't available.
9715 (*negdf2_1): Likewise.
9716 (*negxf2_1): XF mode negation is always done using the x87.
9717 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9719 2006-05-31 Roger Sayle <roger@eyesopen.com>
9721 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9722 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9724 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9726 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9728 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9729 * config/bfin/bfin.c (basic-block.h): Include.
9730 (struct machine_function): New.
9731 (bfin_init_machine_status): New.
9732 (override_options): Initialize init_machine_status.
9733 (bfin_hardware_loop): New.
9734 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9735 (DEF_VEC_P (loop_info)): New.
9736 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9737 (struct loop_info): New.
9738 (loop_info): New typedef.
9739 (struct loop_work): New.
9740 (loop_work): New typedef.
9741 (DEF_VEC_O (loop_work)): New.
9742 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9743 (bfin_dump_loops): New.
9744 (bfin_bb_in_loop): New.
9745 (bfin_scan_loop): New.
9746 (bfin_optimize_loop): New.
9747 (bfin_reorg_loops): New.
9748 (bfin_reorg): Use bfin_reorg_loops.
9749 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9751 (I_REGNO_P): Simplify.
9752 (DP_REGNO_P, DPREG_P): New macros.
9753 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9754 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9755 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9756 Add LT_REGS, LC_REGS, LB_REGS.
9757 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9759 (REGNO_REG_CLASS): Deal with loop registers.
9760 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9762 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9763 New constants for loop registers.
9764 (UNSPEC_LSETUP_END): New.
9765 (seq_insns): New define_attr. Set it for appropriate insns.
9766 (movsi_insn): Add alternatives for move from/to
9767 loop count registers.
9768 (doloop_end): New define_expand.
9769 (loop_end): New define_insn.
9770 (define_split for bad doloop_end): New.
9771 (lsetup_with_autoinit): New define_insn.
9772 (lsetup_without_autoinit): New define_insn.
9773 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9774 * config/bfin/predicates.md (lc_register_operand): New.
9775 (lt_register_operand): New.
9776 (lb_register_operand): New.
9777 (nondp_register_operand): New.
9778 (nondp_reg_or_memory_operand): New.
9779 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9781 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9783 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9784 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9786 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9788 * Makefile.in (CATALOGS): Add po/ prefix.
9789 * configure: Regenerated.
9791 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9794 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9795 a shift operand before calling shift_op. Avoid redundant call of
9798 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9799 DJ Delorie <dj@redhat.com>
9801 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9802 we're inserting is a singlt-bit constant.
9804 2006-05-30 Roger Sayle <roger@eyesopen.com>
9806 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9807 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9809 2006-05-30 Roger Sayle <roger@eyesopen.com>
9811 PR tree-optimization/23452
9812 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9813 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9814 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9815 complex values and with -ffast-math for FP complex values.
9817 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9819 * c-common.h: Remove the prototype for yyparse.
9820 * rtl.h: Remove the prototype for init_loop.
9822 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9824 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9827 2006-05-30 Roger Sayle <roger@eyesopen.com>
9829 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9831 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9832 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9834 2006-05-30 Dirk Mueller <dmueller@suse.de>
9837 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9838 for CONSTANT_CLASS_P expresisons.
9840 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9843 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9845 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9847 PR tree-optimization/27779
9848 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9849 initial_condition instead of CHREC_LEFT.
9851 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9853 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9854 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9855 Make prototypes ISO C90.
9857 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9858 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9860 * see.c (see_analyze_one_def): Correct check.
9861 (see_get_extension_data): Check if extension is parallel.
9862 (see_get_extension_reg): Likewise.
9864 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9867 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9868 into register for (code == GTU).
9870 2006-05-29 Roger Sayle <roger@eyesopen.com>
9872 PR tree-optimization/24964
9873 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9874 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9875 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9876 abs(x)*abs(x) as x*x for scalar floating point modes.
9878 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9881 * lambda-code.c (perfect_nestify): Don't copy statements
9882 in the inner loop: move them to the inner loop header.
9884 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9887 * c-tree.texi: Document OpenMP directives and clauses.
9889 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9891 * varasm.c (globalize_decl): Fix indentation.
9893 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9896 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9897 pass_fre, pass_store_ccp, pass_copy_prop,
9898 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9899 pass_return_slot, pass_object_size, pass_lim,
9900 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9901 pass_loop_prefetch and pass_stdarg.
9903 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9905 * config/bfin/bfin.opt (mfdpic): New option.
9906 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9907 (EXTRA_MULTILIB_PARTS): Likewise.
9908 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9909 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9911 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9912 (CRT_CALL_STATIC_FUNCTION): New.
9913 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9915 (CRT_CALL_STATIC_FUNCTION): New.
9916 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9918 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9919 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9920 (initialize_trampoline): Changed to handle FD-PIC code generation.
9921 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9922 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9923 (override_options): Disallow -mid-shared-library -mfdpic combination.
9924 Can't do unaligned ops if FD-PIC.
9925 Turn off flag_pic if trying to generate non-id-shared-library
9926 non-fdpic code, since it's not supported.
9927 (bfin_assemble_integer): New function.
9928 (TARGET_ASM_INTEGER): Define.
9929 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9931 * config/bfin/crtn.s: Restore them.
9932 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9934 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9935 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9936 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9937 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9938 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9940 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9941 FDPIC_REGS and FDPIC_FPTR_REGS.
9942 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9943 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9944 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9945 (load_funcdescsi): New pattern.
9946 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9947 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9948 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9950 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9952 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9955 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9957 * tree-flow.h: Remove the prototype for add_type_alias.
9958 * tree-ssa-alias.c (add_type_alias): Remove.
9960 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9962 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9963 config/fr30/fr30.md, config/i386/i386-interix.h,
9964 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9965 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9966 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9967 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9968 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9969 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9970 Follow spelling conventions.
9971 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9972 Follow spelling conventions.
9974 2006-05-27 Richard Guenther <rguenther@suse.de>
9977 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9978 to produce a constant of value 1 of generic type.
9980 2006-05-27 Dirk Mueller <dmueller@suse.de>
9982 * cgraphunit.c (decide_is_function_needed): Fix wrong
9985 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9987 PR rtl-optimization/27661
9988 * reload.c (find_reloads): When reloading a VOIDmode constant
9989 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9990 use Pmode as mode of the reload register.
9992 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9994 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9995 is enabled at -O and above.
9997 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10000 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10003 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10006 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10007 for anonymous variables explicitly declared by front ends.
10009 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10011 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10012 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10013 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10014 ref-all pointers, run a finalization pass for them.
10015 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10016 (finalize_ref_all_pointers): New function.
10017 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10018 regular pointer type to a ref-all pointer type.
10019 (get_tmt_for): Return the special memory tag for ref-all pointers.
10021 2006-05-25 Richard Guenther <rguenther@suse.de>
10023 PR middle-end/27743
10024 * fold-const.c (fold_binary): Do not look at the stripped
10025 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10027 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10029 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10030 for LT and GT if the computed range is effectively empty.
10032 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10035 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10036 mips_quad_format formats instead of ieee_single_format,
10037 ieee_double_format and ieee_quad_format formats, respectively.
10039 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10041 PR tree-optimization/27639
10042 PR tree-optimization/26719
10043 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10044 call to scev_probably_wraps_p.
10045 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10046 used_in_pointer_arithmetic_p, convert_step): Removed.
10047 (nowrap_type_p): New function.
10048 (scev_probably_wraps_p): Rewritten.
10049 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10050 chrec_convert if chrec_convert_aggressive might have been used.
10051 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10052 scev_direction): New functions.
10053 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10054 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10055 instead of convert_step.
10056 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10057 (convert_step): Declaration removed.
10058 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10060 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10062 * df-core.c: Added to header comments.
10063 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10064 df_ur_bb_info, df_urec_bb_info): Added comments.
10065 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10066 urec, ri problems): Fixed header comments.
10067 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10068 code from df_rd_transfer_function.
10070 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10072 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10073 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10074 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10076 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10078 * expr.c (undefined_operand_subword_p): New.
10079 (emit_move_multi_word): Do not generate move from undefined bits
10080 of a paradoxical subreg.
10082 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10084 PR rtl-optimization/27736
10085 * combine.c (replaced_rhs_value): New variable.
10086 (combine_instructions): Set it.
10087 (distribute_notes): When distributing a note in replaced_rhs_insn,
10088 check whether the value was used in replaced_rhs_value.
10090 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10093 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10094 add_referenced_var instead of add_referenced_tmp_var.
10095 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10096 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10097 add_referenced_var.
10098 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10099 tree_optimize_tail_calls_1): Use add_referenced_var.
10100 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10101 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10102 Use add_referenced_var.
10103 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10104 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10105 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10106 Use add_referenced_var.
10107 * tree-dfa.c (struct walk_state): Remove.
10108 (find_referenced_vars): Remove walk state and vars_found hash table.
10109 (make_rename_temp): Use add_referenced_var.
10110 (find_vars_r): Pass less parameters to add_referenced_var.
10111 (referenced_var_p): New. Is var in referenced_var hash table.
10112 (referenced_var_insert): Assert var isn't already in hash table.
10113 (add_referenced_var): Don't need walk_state parameter. Add var if it
10114 isn't already in the hash table.
10115 (add_referenced_tmp_var): Remove.
10116 (find_new_referenced_vars_1): Use add_referenced_var.
10117 * tree-ssa-pre.c (create_expression_by_pieces,
10118 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10119 Use add_referenced_var.
10120 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10121 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10122 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10123 add_referenced_var.
10124 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10125 vect_create_data_ref_ptr, vect_create_destination_var,
10126 vect_init_vector, vect_build_loop_niters,
10127 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10128 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10129 Use add_referenced_var.
10130 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10131 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10132 (add_referenced_var): Add prototype.
10133 * tree-ssa-structalias.c (get_constraint_for,
10134 intra_create_variable_infos): Use add_referenced_var.
10136 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10138 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10139 big-endian paradoxical subregs.
10140 * var-tracking.c (struct micro_operation_def): Document that,
10141 for modify micro operations, insn is the subsequent instruction.
10142 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10143 (var_reg_set, var_mem_set): ... new functions.
10144 (add_stores): Record subsequent insn.
10145 (compute_bb_dataflow): Use new functions for MO_USE.
10146 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10147 notes after the insn, and modify notes before the insn known
10148 to be the subsequent one.
10149 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10151 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10154 * config/i386/i386.c (ix86_expand_builtin): Use
10155 gen_sse3_monitor64 for TARGET_64BIT.
10157 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10159 PR rtl-optimization/26375
10160 PR rtl-optimization/26855
10161 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10163 (df_ru_bb_local_compute): Reversed statements and removed bogus
10164 comment explaining why they should be in wrong order.
10165 (df_ru_dump, df_rd_dump): Enhanced debug info.
10166 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10168 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10169 reaching uses and fixed space problem.
10171 2006-05-23 Jan Hubicka <jh@suse.cz>
10173 * cgraphunit.c (decide_is_function_needed): Also nested functions
10174 and functions declared inline can be optimized out at -O0.
10176 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10178 * doc/install.texi (Configuration): Remove reference to CrossGCC
10179 FAQ which was gone.
10182 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10185 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10186 ix86_compare_emitted is non-NULL.
10188 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10191 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10194 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10196 PR rtl-optimization/25514
10197 * combine.c (replaced_rhs_insn): New variable.
10198 (combine_instructions): Set replaced_rhs_insn when trying to replace
10199 a SET_SRC with a REG_EQUAL note.
10200 (distribute_notes): Use replaced_rhs_insn when determining the live
10201 range of a REG_DEAD register.
10203 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10204 Anatoly Sokolov <aesok@post.ru>
10206 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10207 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10208 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10209 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10210 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10211 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10212 at90usb647, at90usb1286 and at90usb1287 devices.
10213 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10214 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10216 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10218 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10220 2006-05-22 Richard Guenther <rguenther@suse.de>
10223 2006-01-31 Richard Guenther <rguenther@suse.de>
10224 Paolo Bonzini <bonzini@gnu.org>
10226 * doc/install.texi (--disable-libgcc-math): Document.
10228 2006-05-22 Richard Guenther <rguenther@suse.de>
10231 2006-01-31 Richard Guenther <rguenther@suse.de>
10233 * doc/invoke.texi (-msselibm): Document.
10234 * target.h (expand_library_builtin): New target hook.
10235 * builtins.c (expand_builtin): Use expand_library_builtin.
10236 (default_expand_library_builtin): New function.
10237 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10238 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10239 (link_gcc_math_spec): Declare.
10240 (static_specs): Add link_gcc_math_spec.
10241 * expr.h (default_expand_library_builtin): Declare.
10242 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10243 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10244 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10245 * config/i386/i386.opt (msselibm): New target option.
10246 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10247 (ix86_init_sse_abi_builtins): New function.
10248 (ix86_expand_library_builtin): Likewise.
10249 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10250 (override_options): Handle error conditions wrt -msselibm.
10251 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10252 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10253 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10256 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10259 * c-common.c (self_promoting_args_p): Skip erroneous args.
10262 * c-decl.c (finish_struct): Skip erroneous fields.
10264 2006-05-22 Nick Clifton <nickc@redhat.com>
10266 * config/cris/cris.opt (march): Remove VarExists attribute.
10267 (max-stackframe=): Likewise.
10269 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10271 * doc/rtl.texi: Fix a typo.
10272 * see.c: Fix comment typos.
10274 * tree-ssa-structalias.h (alias_info): Remove num_references.
10276 2006-05-21 Mike Stump <mrs@apple.com>
10278 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10280 (darwin_pragma_options): Use BAD instead.
10281 (darwin_pragma_unused): Likewise.
10282 (darwin_pragma_ms_struct): Likewise.
10284 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10286 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10288 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10290 PR rtl-optimization/27671
10291 * simplify-rtx.c (simplify_relational_operation_1): Fix
10292 simplifications of (eq/ne (xor x y) y) and
10293 (eq/ne (xor x y) x).
10295 PR tree-optimization/26622.
10296 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10299 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10301 * tree-cfg.c: Prune whitespace.
10302 (debug_tree_cfg): Point to correct header containing the
10305 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10307 PR middle-end/25776
10308 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10310 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10312 PR middle-end/25776
10313 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10314 or sorry count is non zero.
10316 2006-05-20 Andreas Schwab <schwab@suse.de>
10318 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10320 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10321 Kenneth Zadeck <zadeck@naturalbridge.com>
10323 PR rtl-optimization/26855
10325 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10327 (df_scan_alloc): Added code to properly handle multiword hard
10328 registers and add all_blocks parameter.
10329 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10330 code to properly handle multiword hard registers.
10331 (df_rescan_blocks): Added code to remove deleted blocks from
10333 (df_ref_create_structure, df_ref_record): Added code to properly
10335 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10336 and set DF_REF_PARTIAL.
10337 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10338 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10339 (df_scan_add_problem): Added flags parameter.
10340 (df_ref_create_structure): Changed switching structure.
10341 (df_bb_refs_record): Fixed case where duplicate artificial refs
10342 were created. Changed location of flags.
10343 (df_record_entry_block_defs): Added code to make stack pointer
10344 live in entry block. Refined cases where frame pointer is needed.
10345 Changed location of flags.
10346 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10347 (df_set_state): Removed function.
10348 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10349 df_insn_create_insn_record, df_insn_refs_delete,
10350 df_ref_create_structure): Formatting changes.
10351 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10352 df_delete_basic_block): New function.
10353 (df_init): Changed location of flags.
10354 (df_add_problem): Added flags parameter and the way flags are
10356 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10357 debug_df_chain): Improved debugging output.
10358 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10359 (df_refs_chain_dump): Removed df parameter.
10360 (df_iterative_dataflow): Added consistency check.
10361 (df_prune_to_subcfg): Made public.
10362 (df_analyze_problem): Added blocks_to_init parameter and made
10364 (df_ref_record, df_bb_refs_record, df_mark_reg,
10365 df_record_exit_block_uses): Whitespace changes.
10366 (df_dump): Whitespace changes.
10367 * df.h: Some reordering to remove forward references.
10368 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10369 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10370 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10371 (dataflow.flags): New field.
10372 (df.flag): Deleted field.
10373 (df_alloc_function): Added additional bitmap parameter.
10374 (df_dependent_problem_function): New type.
10375 (df_problem.changeable_flags): New field.
10376 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10377 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10378 (df_mw_hardreg): New struct.
10379 (DF_INSN_UID_MWS): New macro.
10380 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10382 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10383 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10384 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10385 (df_set_state): Removed function.
10386 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10387 * df-problems.c (df_chain_dump): Removed df parameter.
10388 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10389 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10391 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10392 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10393 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10394 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10395 DF_REF_MUST_CLOBBER cases.
10396 (df_ru_bb_local_compute_process_def,
10397 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10398 df_lr_bb_local_compute, df_ur_bb_local_compute,
10399 df_chain_create_bb): Made subreg aware.
10400 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10401 df_lr_bb_local_compute, df_lr_bb_local_compute,
10402 df_chain_create_bb): Cleanup to use proper macros.
10403 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10404 code to fixup bitvectors.
10405 (df_ri_alloc): Cleared lifetime.
10406 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10407 df_create_unused_note): New function.
10408 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10409 REG_DEAD and REG_UNUSED notes as well as register information.
10410 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10411 df_chains_dump): Fixed crash if problem was never run.
10412 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10413 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10414 df_ri_add_problem): Processes flags in uniform manner.
10415 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10416 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10417 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10418 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10419 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10420 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10421 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10422 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10423 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10424 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10425 * see.c (see_initialize_data): Ditto.
10426 * final.c (rest_of_clean_state) Added regstack_completed.
10427 * rtl.h (regstack_completed): Ditto.
10428 * reg-stack.c (regstack_completed): Ditto.
10430 2006-05-19 Mike Stump <mrs@apple.com>
10432 * c-tree.h (default_conversion): Remove.
10433 * c-common.h (default_conversion): Add.
10435 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10437 * tree-vrp.c (valid_value_p): New function.
10438 (adjust_range_with_scev): Fail if the value of bound is not
10441 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10443 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10444 (mips_fallback_frame_state): Use syscall numbers to determine
10445 the appropriate li instruction for the current ABI. Only use
10446 __NR_sigreturn for o32.
10448 2006-05-19 Nicolas Setton <setton@adacore.com>
10450 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10451 * langhooks.c (lhd_dwarf_name): New function.
10452 * langhooks-def.h (lhd_dwarf_name): Declare.
10453 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10454 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10456 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10458 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10460 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10461 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10462 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10463 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10464 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10465 determine the size of Wtype, etc.
10466 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10467 (swfloatfuncs): New variable.
10468 (dwfloatfuncs): Likewise.
10469 (lib2funcs): Remove floating-point conversion functions from
10470 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10471 the set of conversion routines needed. Allow entries to specify
10472 an object name, filename and word size. Update users accordingly.
10473 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10474 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10478 2006-02-08 Roger Sayle <roger@eyesopen.com>
10481 * config/fixtfdi.c: New libgcc source file.
10482 * config/fixunstfdi.c: New source file.
10483 * config/floatditf.c: New source file.
10484 * config/floatunditf.c: New souce file.
10485 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10486 files above instead of config/mips/_tilib.c.
10487 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10489 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10491 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10492 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10494 2006-05-18 Mike Stump <mrs@apple.com>
10496 Fix up vla, vm and [*] sematics.
10502 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10503 (c_vla_unspec_p): Add.
10504 (c_vla_type_p): Add.
10505 * c-decl.c (struct c_scope): Add had_vla_unspec.
10506 (build_array_declarator): Add support for [*].
10507 (grokdeclarator): Likewise.
10508 (grokparms): Likewise.
10509 (get_parm_info): Likewise.
10510 * c-objc-common.c (c_vla_unspec_p): Likewise.
10511 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10512 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10513 typeof when argument is a variably modified type not inside sizeof or alignof.
10514 (c_parser_direct_declarator_inner): Propagate errors.
10515 (c_parser_sizeof_expression): Add support for [*].
10516 (c_parser_parms_declarator): Initialize had_vla_unspec.
10517 (c_parser_parms_list_declarator): Likewise.
10518 * c-typeck.c (c_vla_type_p): Add.
10519 (composite_type): Add support for vla compositing.
10520 (comptypes_internal): Add support for vla compatibility.
10521 (c_expr_sizeof_expr): Evaluate vla arguments.
10522 * tree.c (variably_modified_type_p): Update comment for [*].
10524 2006-05-18 Michael Matz <matz@suse.de>
10527 * config.host: Make assignments to host_xmake_file cumulative.
10528 * config.host (*-darwin*): Test $host, not $target.
10530 2006-05-12 Stuart Hastings <stuart@apple.com>
10532 * config/i386/i386.opt (-mstackrealign): New flag.
10533 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10534 (ix86_handle_cconv_attribute): Emit error when
10535 force_align_arg_pointer attribute collides with too many regparms.
10536 (ix86_function_regparm): Limit regparms when used with
10537 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10538 Support stack-realigning prologue in non-main functions. Emit
10539 warning for nested functions under -mstackrealign, emit error for
10540 nested functions with force_align_arg_pointer attribute.
10541 * doc/extend.texi (force_align_arg_pointer): Document it.
10542 * doc/invoke.texi (-mstackrealign): Document it.
10544 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10546 PR rtl-optimization/27477
10547 * combine.c (try_combine): Don't split a parallel consisting
10548 of two sets into two individual sets if both sets reference
10551 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10553 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10554 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10556 * doc/options.texi (VarExists): Updated.
10558 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10560 * unwind-dw2.c: Add declarations for uw_update_context and
10561 uw_frame_state_for.
10562 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10563 detected, advance frame state and context once to skip over stub.
10565 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10567 PR middle-end/20256
10568 PR middle-end/26435
10569 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10570 Call rewrite_into_loop_closed_ssa only when something changed.
10571 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10572 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10573 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10574 Test for perfect_nest_p here. Fix formating.
10575 (replace_uses_equiv_to_x_with_y): Fix formating.
10576 (stmt_uses_op): Removed.
10577 (can_convert_to_perfect_nest): Removed loopivs parameter.
10578 Complete the test by checking the scalar dependences.
10579 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10582 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10585 From Dan Kegel <dank@kegel.com>:
10586 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10588 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10590 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10591 if the element type is variably modified without recursing.
10593 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10595 PR middle-end/27332
10596 * tree-loop-linear.c (try_interchange_loops): Test for
10597 no data dependences.
10599 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10601 PR tree-optimization/27548
10602 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10603 range of ssa names that appear on abnormal edges.
10604 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10605 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10607 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10609 PR middle-end/27620
10610 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10612 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10614 PR middle-end/27415
10615 * tree.h (OMP_PARALLEL_COMBINED): Define.
10616 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10617 (new_omp_context): Add is_combined_parallel argument.
10618 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10619 new_omp_context caller.
10620 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10621 Adjust gimplify_scan_omp_clauses callers.
10622 (omp_is_private): Issue errors if iteration variable is firstprivate
10623 or reduction in the current context.
10624 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10625 on combined parallel workshare constructs.
10627 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10629 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10630 (gcc-options.o): New rule.
10632 * optc-gen.awk: Protect variables for gcc-options.o with
10633 #ifdef GCC_DRIVER/#endif.
10635 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10637 Fix PR tree-optimization/27373
10638 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10639 (forward_propagate_addr_expr): Update call.
10641 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10643 * doc/options.texi: Move the Negative option.
10645 2006-05-16 Richard Guenther <rguenther@suse.de>
10647 PR tree-optimization/22303
10648 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10650 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10651 ccp_fold did not simplify the statement.
10653 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10656 * Makefile.in (GCC_OBJS): New.
10657 (OBJS-common): Add opts-common.o.
10658 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10659 (cpp$(exeext)): Likewise.
10660 (gcc.o): Also depend on opts.h.
10661 (opts-common.o): New.
10663 * common.opt (gcoff): Add Negative(gdwarf-2).
10664 (gdwarf-2): Add Negative(gstabs).
10665 (gstabs): Add Negative(gstabs+).
10666 (gstabs+): Add Negative(gvms).
10667 (gvms): Add Negative(gxcoff).
10668 (gxcoff): Add Negative(gxcoff+).
10669 (gxcoff+): Add Negative(gcoff).
10670 * config/i386/i386.opt (m32): Add Negative(m64).
10671 (m64): Add Negative(m32).
10673 * doc/options.texi: Document the Negative option.
10675 * gcc.c: Include "opts.h".
10676 (main): Call prune_options after expandargv.
10678 * optc-gen.awk: Generate common declarations for all flag
10679 variables in options.c. Output the neg_index field.
10681 * opts.c (find_opt): Moved to ...
10682 * opts-common.c: Here. New file.
10684 * opts.h (cl_option): Add a neg_index field.
10686 (prune_options): Likewise.
10688 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10690 PR middle-end/27573
10691 * omp-low.c (expand_omp_parallel): Don't assert
10692 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10693 instead search for it.
10696 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10699 2006-05-16 Andreas Schwab <schwab@suse.de>
10701 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10704 2006-05-15 Roger Sayle <roger@eyesopen.com>
10707 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10708 integer constants other than zero are only legitimate on TARGET_64BIT.
10709 <CONST_VECTOR> Only zero vectors are legitimate.
10710 (ix86_cannot_force_const_mem): Integral and vector constants can
10711 always be put in the constant pool.
10713 2006-05-16 DJ Delorie <dj@redhat.com>
10715 * crtstuff.c (__dso_handle): Set section from
10716 TARGET_LBIGCC_SDATA_SECTION if defined.
10717 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10718 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10720 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10723 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10726 2006-05-16 Ben Elliston <bje@au.ibm.com>
10728 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10730 2006-05-15 Per Bothner <per@bothner.com>
10732 * tree.c: (last_annotated_node): Use source_locus typedef.
10733 This permits bootstrapping with --enable-mapped-location.
10735 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10737 PR tree-optimization/26830
10738 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10739 (info_for_ssa_name, current_info_for_ssa_name_age,
10740 blocks_to_update): New variables.
10741 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10742 (clear_ssa_name_info, initialize_flags_in_bb,
10743 mark_block_for_update): New functions.
10744 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10745 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10746 prepare_def_site_for): Use mark_block_for_update.
10747 (mark_def_interesting): Assert that the processed block is marked in
10748 blocks_to_update. Do not take blocks argument.
10749 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10751 (rewrite_update_init_block, rewrite_update_stmt): Only process
10752 blocks with statements to rewrite.
10753 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10754 (update_ssa): Initialize and free blocks_to_update. Do not
10755 clear flags on statements. Do not use blocks bitmap.
10756 * tree.h (SSA_NAME_AUX): Removed.
10757 (struct tree_ssa_name): Removed aux field.
10758 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10760 2006-05-15 Richard Guenther <rguenther@suse.de>
10762 PR tree-optimization/27603
10763 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10764 Do computations in original type.
10766 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10768 * see.c: Code style changes such as redundant paranthesis,
10769 redundant intialization of local variables etc.
10770 (see_main): Declared now as static.
10771 * doc/invoke.texi: Update that -fsee is not enabled by
10774 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10776 * omp-low.c (check_omp_nesting_restrictions): New function.
10777 (scan_omp_1): Call it.
10779 PR middle-end/27416
10780 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10781 construct, return *VAR.
10783 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10785 PR rtl-optimization/27406
10786 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10789 2006-05-14 Roger Sayle <roger@eyesopen.com>
10791 PR rtl-optimization/27538
10792 * combine.c (expand_compound_operation): Call gen_lowpart
10793 before calling simplify_shift_const.
10795 2006-05-14 Roger Sayle <roger@eyesopen.com>
10797 PR rtl-optimization/22563
10798 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10799 a fixed width bitfield, always force the intermediates into psuedos.
10801 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10804 * mkconfig.sh: Use operator = instead of == for test.
10806 2006-05-13 Nick Clifton <nickc@redhat.com>
10808 * dwarf2out.c (dbx_reg_number): Check return value from
10809 LEAF_REG_REMAP and only use it if it is valid.
10810 (multiple_reg_loc_descriptor): Likewise.
10812 2006-05-13 Richard Guenther <rguenther@suse.de>
10814 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10817 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10819 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10820 information attached to non-INSNs such as NOTEs.
10821 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10823 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10825 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10827 * config/s390/s390.md: Adjust comment describing On constraint.
10829 2006-05-11 Jan Hubicka <jh@suse.cz>
10831 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10832 to be output at -O0.
10834 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10836 PR middle-end/27384
10837 * fold-const.c (size_binop): Move sanity check for arguments to
10838 the beginning of the function.
10840 PR middle-end/27488
10841 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10844 2006-05-11 Richard Guenther <rguenther@suse.de>
10846 PR middle-end/27529
10847 * fold-const.c (fold_unary): Handle intermediate conversion
10848 to a pointer type like intermediate conversion to an integer
10849 type in folding of (T1)(T2)var to var.
10850 Match the code to the comment in the final conversion for
10851 (T1)(T2)var to (T1)var regarding to type precision. Rather
10852 than disallow T1 being of pointer type, assert that both T1
10853 and var are of pointer type or not. Make sure not to fall
10854 over the frontends lazyness wrt array to pointer decay though.
10856 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10858 * arm.c (arm_struct_value_rtx): Delete.
10859 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10860 (arm_init_cumulative_args): Always initialize nregs to zero.
10862 2006-05-10 Richard Guenther <rguenther@suse.de>
10864 PR tree-optimization/27532
10865 * tree-object-size.c (plus_expr_object_size): Fix typo.
10867 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10870 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10871 ashrdi_const, ashrdi3): Use a scratch register.
10873 2006-05-10 Richard Guenther <rguenther@suse.de>
10875 PR tree-optimization/27302
10876 * fold-const.c (operand_equal_p): For two comparisons,
10877 try comparison of one comparison code swapped if that yields
10880 2006-05-10 Ben Elliston <bje@au.ibm.com>
10882 * tree-pretty-print.c (pretty_print_string): No need to handle
10883 '\0' as a special character.
10885 * tree.h: Include "hashtab.h".
10886 (iterative_hash_expr): Use hashval_t in its prototype.
10887 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10889 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10892 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10893 (hppa*64*-*-hpux11*): Ditto.
10894 (hppa[12]*-*-hpux11*): Ditto.
10896 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10899 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10901 2006-05-09 Michael Matz <matz@suse.de>
10903 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10904 host_extra_gcc_objs and host_xmake_file.
10905 (<*-*-linux*>): Don't overwrite host_xmake_file.
10906 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10907 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10908 (host_detect_local_cpu): Declare.
10909 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10910 * config/i386/i386.c (override_options): Handle -mtune=native
10912 * config/i386/x-i386: New file.
10913 * config/i386/driver-i386.c: New file.
10914 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10917 2006-05-09 Dirk Mueller <dmueller@suse.de>
10918 Richard Guenther <rguenther@suse.de>
10920 PR middle-end/27498
10921 * fold-const.c (fold_read_from_constant_string): Relax check
10922 for matching types to matching modes.
10924 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10926 PR rtl-optimization/27335
10927 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10930 2006-05-08 Chao-ying Fu <fu@mips.com>
10931 Richard Sandiford <richard@codesourcery.com>
10933 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10934 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10935 * config/mips/mips.md (UNSPEC_SCC): New constant.
10936 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10937 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10938 (mips_emit_compare): Use it.
10939 (mips_expand_vcondv2sf): New function.
10941 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10943 Fix PR tree-optimization/27093
10944 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10945 renaming when they become not-used_alone.
10947 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10949 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10950 relocation and relocation stubs.
10952 2006-05-08 Eric Christopher <echristo@apple.com>
10954 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10957 2006-05-08 Jan Hubicka <jh@suse.cz>
10959 PR middle-end/24561
10960 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10961 unused static functions are needed.
10963 2006-05-08 Roger Sayle <roger@eyesopen.com>
10966 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10967 of a reg_equiv_constant if the result is a legitimate constant.
10969 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10972 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10973 standard 80387 constants, raise the cost to prevent
10974 compress_float_constant() to generate load from memory.
10976 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10978 * config/arm/constraints.md (c): Fix a typo.
10980 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10983 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10986 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10988 (_mm_mwait): Likewise.
10990 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10992 (sse3_monitor): Make it 32bit only.
10993 (sse3_monitor64): New. 64bit monitor.
10995 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10998 * config/i386/i386.c (classify_argument): Skip fields with invalid
11001 2006-05-07 Richard Guenther <rguenther@suse.de>
11003 PR tree-optimization/27409
11004 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11005 Do not try to find zero-sized subvars.
11007 2006-05-07 Richard Guenther <rguenther@suse.de>
11009 PR tree-optimization/27136
11010 * tree-ssa-loop-niter.c (get_val_for): Correct function
11011 comment, assert requirements.
11012 (loop_niter_by_eval): Stop processing if the iterated
11013 value did not simplify.
11015 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11017 * opts.c (flag_see): remove its setting at -O3.
11019 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11021 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11022 * arm/constraints.md: New file.
11023 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11024 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11025 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11026 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11027 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11028 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11029 * arm.md: Include constraints.md.
11030 (thumb_movsi_insn): Use satisfies_constraint_J.
11031 (movhi, movqi): Use satisfies_constraint_I.
11033 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11035 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11036 for atmeg a645 device.
11038 2006-05-06 Richard Guenther <rguenther@suse.de>
11040 PR tree-optimization/27151
11041 * tree-vect-transform.c (vectorizable_condition): Punt on
11042 values that have a different type than the condition.
11044 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11047 * c-parser.c (c_parser_cast_expression): Only insert casts into
11048 hash table if pointer.
11049 * function.c (used_types_insert_helper): Rename from
11051 (used_types_insert): Call used_types_insert_helper.
11052 * function.h (used_types_insert): Accept only one argument.
11054 2006-05-05 David Edelsohn <edesohn@gnu.org>
11056 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11057 scratch with output modifier.
11059 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11062 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11063 with output modifier.
11065 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11068 * config/mips/mips.c (mips_symbolic_address_p): Return true
11069 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11070 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11072 2006-05-04 Richard Guenther <rguenther@suse.de>
11074 PR tree-optimization/14287
11075 PR tree-optimization/14844
11076 PR tree-optimization/19792
11077 PR tree-optimization/21608
11078 PR tree-optimization/27090
11079 * tree-ssa-pre.c (try_combine_conversion): New function.
11080 (compute_avail): After constructing the value-handle
11081 expression, use try_combine_conversion to combine NOP_EXPRs
11082 with previous value-handle expressions and use the result if it
11085 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11087 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11089 2006-05-04 Jan Hubicka <jh@suse.cz>
11091 PR middle-end/25962
11092 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11094 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11096 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11097 that this only matches CONST_INTs. All users changed to VOIDmode
11100 * config/bfin/bfin.c: Include "optabs.h".
11101 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11103 (enum bfin_builtins): Add a number of fractional and vector builtins.
11104 (bfin_init_builtins): Likewise.
11105 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11106 (safe_vector_operand, bfin_expand_binop_builtin,
11107 bfin_expand_unop_builtin): New functions.
11108 (bfin_expand_builtin): Handle the new builtins.
11109 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11112 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11115 * Makefile.in (OBJS-common): Add see.o.
11116 (see.o): Add dependencies.
11117 * common.opt (fsee): New flag for the see optimization was added.
11118 * opts.c (flag_see): Initialized.
11119 * passes.c (init_optimization_passes, pass_see): New pass.
11120 * rtl.h (see_main): Declaration as extern.
11121 * timevar.def (TV_SEE): New.
11122 * tree-pass.h (pass_see): Declaration as extern.
11123 * invoke.texi (-fsee): Document.
11124 * recog.c (validate_simplify_insn): New function.
11125 * recog.h (validate_simplify_insn): Declaration as extern.
11126 * df-problems.c (df_chain_dump): Check for NULL.
11128 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11129 Daniel Berlin <dberlin@dberlin.org>
11131 * cfgrtl.c (insert_insn_bb_end_new): New function.
11132 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11134 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11136 * df.h (struct web_entry): Moved from web.c.
11137 (union_defs): Declaration as extern.
11138 (unionfind_root): Likewise.
11139 (unionfind_union): Likewise.
11140 * web.c (struct web_entry): Moved to df.h.
11141 (unionfind_root): Remove static declaration.
11142 (unionfind_union): Likewise.
11143 (union_defs): Likewise and generalize to use callback function.
11144 (web_main): Update arguments for union_defs function call.
11146 2006-05-04 Richard Guenther <rguenther@suse.de>
11148 PR tree-optimization/26447
11149 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11150 produce SSA_NAME copies before the store stmt to avoid
11151 breaking exception handling.
11153 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11155 PR middle-end/27388
11156 * gimplify.c (omp_is_private): If var is shared in some outer context,
11157 return false instead of true. Stop searching on parallel context
11160 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11163 * coverage.c: Use get_gcov_unsigned_t() instead of
11164 unsigned_type_node all over.
11166 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11168 PR tree-optimization/27381
11169 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11170 maintain the same immediate_use links.
11171 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11172 node rather than segfaulting.
11174 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11177 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11178 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11179 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11181 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11183 Fix PR tree-optimization/26626
11184 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11186 * tree-ssa-operands.c (access_can_touch_variable): Allow
11187 typecasting through union pointers.
11189 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11192 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11193 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11194 to find if var will be a global variable even in the nested context.
11195 (omp_copy_decl): Only check for global variable at the end, it might
11196 be overridden in outer contexts.
11197 (scan_sharing_clauses): For global variables don't create a field.
11198 (lower_rec_input_clauses): Do nothing for global shared variables.
11199 Emit a barrier at the end of ILIST if there were any decls in both
11200 firstprivate and lastprivate clauses.
11201 (lower_send_clauses): Do nothing for global variables except for
11204 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11206 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11207 of the correct signedness is returned.
11209 2006-05-02 Jeff Law <law@redhat.com>
11211 PR tree-optimization/27364
11212 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11213 multiply expressions.
11215 2006-05-02 Tom Tromey <tromey@redhat.com>
11217 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11219 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11222 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11223 -mthumb -fPIC are used.
11225 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11226 Joshua Kinard <kumba@gentoo.org>
11229 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11230 with 64-bit pointers.
11232 2006-05-02 Paul Brook <paul@codesourcery.com>
11234 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11236 (create_fix_barrier): Check that a suitable barrier location is
11238 (arm_reorg): Include ftmp->address in allowable range of addresses.
11240 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11243 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11246 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11248 PR middle-end/27337
11249 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11250 around RESULT_DECL for result passed by reference.
11251 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11252 * omp-low.c (use_pointer_for_field): Don't look at
11253 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11254 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11255 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11256 time or var for passing by reference for
11257 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11258 TREE_ADDRESSABLE variables when passing by reference.
11260 * omp-low.c (dump_omp_region): Fix output formatting.
11262 PR middle-end/27328
11263 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11264 (expand_omp_parallel): Likewise.
11265 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11267 PR middle-end/27325
11268 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11269 on statement list containing also constructors and destructors.
11270 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11272 PR middle-end/27310
11273 * except.c (duplicate_eh_regions): Fix clearing of
11274 cfun->eh->region_array entries.
11276 2006-05-01 DJ Delorie <dj@redhat.com>
11278 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11280 (gcc_cv_objdump): Likewise.
11281 * configure: Regenerated.
11283 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11286 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11287 templates for case 3 and 4.
11289 2006-05-01 DJ Delorie <dj@redhat.com>
11291 * vec.c: Include bconfig.h when appropriate.
11292 * Makefile.in (build/vec.o): Adjust dependencies.
11293 * mkconfig.sh: Make sure config.h isn't used for build machine
11296 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11298 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11300 (mark_phi_for_rewrite): New function.
11301 (insert_phi_nodes_for, mark_use_interesting): Call
11302 mark_phi_for_rewrite.
11303 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11304 (update_ssa): Initialize and free phis_to_rewrite.
11306 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11308 PR rtl-optimization/27291
11309 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11310 folded to a constant.
11312 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11314 PR tree-optimization/27283
11315 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11316 not whole # of iteration descriptions.
11317 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11318 uses abnormal ssa name.
11319 (niter_for_single_dom_exit): Ditto.
11320 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11321 return just the number of iterations.
11323 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11325 PR tree-optimization/27144
11326 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11327 (record_estimate): Only record constant upper bound.
11328 (infer_loop_bounds_from_undefined): Call
11329 compute_estimated_nb_iterations just once.
11330 (proved_non_wrapping_p): Renamed to ...
11331 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11332 (convert_step_widening, scev_probably_wraps_p): Call
11333 n_of_executions_at_most instead of proved_non_wrapping_p.
11334 (substitute_in_loop_info): Do not replace values in bounds.
11335 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11338 2006-05-01 Richard Henderson <rth@redhat.com>
11341 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11342 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11345 2006-05-01 Roger Sayle <roger@eyesopen.com>
11347 * c-typeck.c (parser_build_binary_op): Don't call the function
11348 unsigned_conversion_warning to spot operand/result type overflow.
11349 (build_binary_op): Instead, call convert_and_check instead of
11350 convert to report the problem when the operands are promoted.
11351 * c-common.c (unsigned_conversion_warning): Make static.
11352 * c-common.h (unsigned_conversion_warning): Delete prototype.
11354 2006-05-01 Richard Guenther <rguenther@suse.de>
11356 PR tree-optimization/26726
11357 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11359 (find_interesting_uses_address): ... we work around here
11360 by folding INDIRECT_REFs in the substituted base.
11362 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11364 * omp-low.c (dump_omp_region): Add newlines.
11366 2006-04-30 Roger Sayle <roger@eyesopen.com>
11368 * common.opt (Woverflow): New command line option.
11369 * c-common.c (constant_expression_warning): Check warn_overflow.
11370 (overflow_waring): Pass OPT_Woverflow to warning.
11371 (unsigned_conversion_warning): Likewise.
11372 (convert_and_check): Likewise.
11373 * doc/invoke.texi: Document new command line option.
11375 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11377 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11378 TARGET_NO_FP_IN_TOC for section anchors.
11379 (optimization_options): Enable section anchors for all
11380 non-"Objective" languages.
11382 2006-04-28 Eric Christopher <echristo@apple.com>
11384 * config/darwin-c.c (darwin_ms_struct): Move this
11385 (darwin_set_default_type_attributes): and this...
11386 * config/darwin.c: ... here.
11387 * config/darwin.h (darwin_ms_struct): Declare.
11389 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11391 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11393 2006-04-28 Roger Sayle <roger@eyesopen.com>
11396 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11397 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11398 an unsigned HOST_WIDE_INT.
11399 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11401 (really_start_incremental_init): No need to call convert because
11402 bitsize_zero_node is already of type bitsizetype.
11403 (push_init_level): Extract the value of constructor_index as an
11404 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11405 (process_init_element): Likewise.
11407 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11409 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11410 value before passing to make_relative_prefix.
11412 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11414 PR middle-end/27260
11415 * builtins.c (expand_builtin_memset): Expand val in original mode.
11417 2006-04-27 Eric Christopher <echristo@apple.com>
11419 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11420 with #ifndef/#endif.
11421 * config/darwin-c.c (darwin_ms_struct): New.
11422 (darwin_pragma_ms_struct): Ditto.
11423 (darwin_set_default_type_attributes): Ditto.
11424 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11425 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11426 Register ms_struct pragma.
11427 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11428 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11429 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11430 darwin_set_default_type_attributes if TARGET_MACHO.
11432 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11434 PR tree-optimization/26854
11435 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11436 * doc/tree-ssa.texi: Update immuse iterator documentation.
11437 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11438 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11439 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11440 first_safe_imm_use, next_safe_imm_use): Remove.
11441 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11442 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11443 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11444 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11445 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11446 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11447 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11448 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11449 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11450 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11451 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11452 (perfect_nestify): Use new iterator.
11453 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11455 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11456 (next_imm_name): New field in struct immediate_use_iterator_d.
11457 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11458 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11459 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11460 * tree-cfg.c (replace_uses_by): Use new iterator.
11461 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11462 * tree-ssa-operands.c (correct_use_link): Remove.
11463 (finalize_ssa_use_ops): No longer call correct_use_link.
11465 2006-04-27 Stuart Hastings <stuart@apple.com>
11467 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11468 * config/t-darwin (crt3.o): Use it.
11469 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11470 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11471 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11472 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11473 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11476 2006-04-27 Roger Sayle <roger@eyesopen.com>
11478 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11479 size, force the intermediate into a new pseudo rather instead of
11480 performing both a bitwise AND and a bitwise IOR in memory.
11482 2006-04-27 Richard Guenther <rguenther@suse.de>
11484 PR rtl-optimization/26685
11485 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11486 this one "max-flow-memory-locations".
11488 2006-04-27 Richard Guenther <rguenther@suse.de>
11490 PR tree-optimization/25148
11491 * tree-vrp.c (compare_values): Remove code dealing with
11492 comparisons against type min/max value. Honour overflow
11493 and negative constants in code dealing with comparisons
11494 of plus and minus expressions.
11495 (value_inside_range): Use fold_binary with LE_EXPR and
11496 GE_EXPR rather than compare_values.
11498 2006-04-27 Dirk Mueller <dmueller@suse.de>
11500 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11503 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11505 * basic-block.h (safe_insert_insn_on_edge): Removed.
11506 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11508 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11509 Paolo Bonzini <bonzini@gnu.org>
11511 PR middle-end/27282
11512 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11513 (simplify_and_const_int): Same.
11515 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11517 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11519 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11522 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11523 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11524 cgraph_global_info_ready.
11526 PR middle-end/26913
11527 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11530 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11531 either decl or init is error_mark_node.
11533 PR middle-end/25989
11534 * tree-flow.h (struct omp_region): Add sched_kind.
11535 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11536 instead of extracting omp for data.
11537 (expand_omp_for): Save extracted sched_kind.
11539 2006-04-25 Roger Sayle <roger@eyesopen.com>
11541 * expmed.c (store_bit_field): Also check whether the bitsize is
11542 valid for the machine's "insv" instruction before moving the
11543 target into a pseudo for use with the insv.
11544 * config/i386/predicates.md (const8_operand): New predicate.
11545 * config/i386/i386.md (extv, extzv, insv): Use the new
11546 const8_operand predicate where appropriate.
11548 2006-04-25 DJ Delorie <dj@redhat.com>
11550 * doc/install.texi (Specific): Clarify that this is not a list of
11551 supported hosts or targets.
11553 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11555 PR rtl-optimization/26725
11556 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11557 block's BB_DIRTY flag.
11559 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11561 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11564 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11565 to print an integer.
11567 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11569 * varasm.c (align_variable): New function.
11570 (get_block_for_decl): Apply align_variable to DECL before
11571 calculating section information.
11572 (assemble_variable): Split out alignment computation.
11574 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11576 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11579 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11581 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11582 MODE_PARTIAL_INT mode.
11583 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11584 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11586 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11587 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11589 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11591 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11593 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11594 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11595 MACFLAG_IH): Likewise.
11596 (movstricthi_1): Renamed from "*movstricthi".
11597 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11598 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11599 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11600 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11601 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11602 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11603 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11604 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11605 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11606 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11607 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11608 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11609 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11610 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11611 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11613 * doc/rtl.texi (ss_ashift): Improve wording.
11615 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11617 * dwarf2out.c (verify_marks_clear): New.
11618 (prune_unused_types): Call verify_marks_clear initially, not
11621 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11623 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11624 * doc/rtl.texi: Document them.
11625 * simplify-rtx.c (simplify_unary_operation,
11626 simplify_binary_operation_1): Don't abort when we see them.
11628 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11631 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11632 * configure.ac: Completely disregard languages that are not
11634 * configure: Regenerated.
11636 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11637 Richard Guenther <rguenther@suse.de>
11639 PR tree-optimization/27236
11640 * tree-inline.c (copy_body_r): Make sure to copy
11641 TREE_THIS_VOLATILE flag.
11643 2006-04-24 Richard Guenther <rguenther@suse.de>
11645 PR middle-end/26869
11646 * tree-complex.c (update_parameter_components): Don't handle
11647 unused parameters which have no default def.
11649 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11650 Richard Guenther <rguenther@suse.de>
11652 PR tree-optimization/27218
11653 * tree-inline.c (expand_call_inline): Strip useless type
11654 conversions for the return slot address.
11656 2006-04-24 Richard Guenther <rguenther@suse.de>
11658 * cfgloop.h (struct loops): Remove unused field array. Reorder
11660 (LOOP_PREFETCH): Remove.
11662 2006-04-24 Richard Guenther <rguenther@suse.de>
11664 PR tree-optimization/22525
11665 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11666 variable, adjust types of generated expressions.
11668 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11670 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11671 (tree-vect-patterns.o): Likewise.
11672 (jump.o): Likewise.
11673 (cselib.o): Likewise.
11674 (loop-doloop.o): Likewise.
11675 (regclass.o): Likewise.
11676 (reload1.o): Likewise.
11677 (explow.o): Replace target.h with $(TARGET_H).
11678 (ipa-prop.o): Likewise.
11679 (ipa-cp.o): Likewise.
11680 (ipa-inline.o): Likewise.
11681 (reorg.o): Likewise.
11682 (reg-stack.o): Likewise.
11684 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11686 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11688 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11690 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11692 * configure.ac: Completely disregard languages that are not
11694 * configure: Regenerated.
11697 * c-common.h (c_build_bitfield_integer_type): Declare.
11698 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11699 * c-common.c (c_build_bitfield_integer_type): ... here.
11701 2006-04-23 Roger Sayle <roger@eyesopen.com>
11704 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11705 a SImode SUBREG of a floating point register after no_new_pseudos.
11707 2006-04-23 Roger Sayle <roger@eyesopen.com>
11709 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11710 identify potentially eliminable registers to additionally catch
11711 VIRTUAL_INCOMING_ARGS_REGNUM.
11712 (addsi3): Update the conditions on when to use addsi_small_int.
11714 2006-04-23 Roger Sayle <roger@eyesopen.com>
11717 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11718 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11719 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11721 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11723 * fold-const.c (range_predecessor): Use operand_equal_p
11724 as the predicate for equality.
11725 (range_successor): Likewise.
11727 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11730 * config/soft-fp/op-common.h: Fix a typo.
11732 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11734 PR libmudflap/26864
11735 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11736 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11738 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11740 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11742 * doc/tm.texi: Fix a typo.
11744 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11746 * dwarf2out.c (struct die_struct): Document that die_sib makes
11747 a circular linked list.
11748 (FOR_EACH_CHILD): New.
11749 (reverse_die_lists): Delete.
11750 (reverse_all_dies): Delete.
11751 (add_dwarf_attr): Correct documentation.
11752 (remove_child_with_prev): New.
11753 (remove_child_TAG): Update for change to die_struct, use
11754 remove_child_with_prev.
11755 (add_child_die): Update for change to die_struct.
11756 (splice_child_die): Use remove_child_with_prev and add_child_die.
11757 (print_die): Use FOR_EACH_CHILD.
11758 (die_checksum): Likewise.
11759 (assign_symbol_names): Likewise.
11760 (output_location_lists): Likewise.
11761 (build_abbrev_table): Likewise.
11762 (calc_die_sizes): Likewise.
11763 (mark_dies): Likewise.
11764 (unmark_dies): Likewise.
11765 (unmark_all_dies): Likewise.
11766 (output_die): Likewise.
11767 (prune_unused_types_mark): Likewise.
11768 (prune_unused_types_walk): Likewise.
11769 (same_die_p): Update for change to die_struct.
11770 (break_out_includes): Likewise.
11771 (prune_unused_types_prune): Likewise.
11772 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11773 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11774 it's already clear.
11775 (dwarf2out_finish): Don't call reverse_all_dies.
11777 2006-04-21 Eric Christopher <echristo@apple.com>
11779 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11780 in comments and function names.
11782 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11785 * c-typeck.c (digest_init): Robustify.
11787 * c-typeck.c (pop_init_level): Simplify.
11789 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11791 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11793 2006-04-21 Paul Brook <paul@codesourcery.com>
11795 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11796 hardware floating point.
11798 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11800 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11803 2006-04-21 Nick Clifton <nickc@redhat.com>
11805 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11808 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11811 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11812 C++ lang type in traceback table for Objective-C++.
11814 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11816 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11818 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11820 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11823 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11824 were errors. Remove check for erroneous objects.
11826 2006-04-20 Jeff Law <law@redhat.com>
11828 PR tree-optimization/26854
11829 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11830 checking for zero or one use.
11831 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11832 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11833 * tree-ssa-reassoc.c (negate_value): Similarly.
11834 (reassociate_bb): Similarly.
11836 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11838 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11839 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11840 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11842 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11844 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11845 fp regs if the last fp arg doesn't fit in regs.
11847 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11850 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11851 that the last insn has the REG_INC note.
11853 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11854 Nathan Sidwell <nathan@codesourcery.com>
11857 * stor-layout.c (update_alignment_for_field): Do not align
11859 (place_union_field): Place union field at the start of the union.
11860 (place_field): Move ERROR_MARK check later, and use the current
11861 allocation position to maintain monotonicity.
11863 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11865 * dominance.c: Include timevar.h.
11866 (calculate_dominance_info): Use TV_DOMINANCE.
11867 * timevar.def (TV_DOMINANCE): New timevar.
11868 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11870 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11872 PR rtl-optimization/14261
11873 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11874 move would be an INSV insn.
11875 (noce_process_if_block): Don't optimize if the destination is a
11876 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11878 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11880 * config/s390/s390.md: Add comments with the instructions emitted
11881 by an insn pattern if macros are used.
11883 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11885 PR rtl-optimization/26026
11886 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11887 is a known power of two shifted left a variable amount.
11889 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11891 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11892 to hash table twice when the debug_str section has SECTION_MERGE.
11894 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11896 * config/soft-fp: New directory. From glibc.
11897 * config/soft-fp/t-softfp: New.
11898 * config/soft-fp/README: New.
11899 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11900 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11901 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11902 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11903 * config.gcc: Use rs6000/t-fprules-fpbit or
11904 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11906 * config/rs6000/sfp-machine.h: New. Based on glibc.
11907 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11909 * config/rs6000/t-fprules: Remove fp-bit rules.
11910 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11911 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11912 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11913 (softfp_wrap_start, softfp_wrap_end): New.
11915 2006-04-18 DJ Delorie <dj@redhat.com>
11917 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11919 2006-04-18 Devang Patel <dpatel@apple.com>
11921 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11923 2006-04-18 Nick Clifton <nickc@redhat.com>
11925 * config/sh/t-symbian: Add rule to build sh-c.o
11926 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11927 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11928 (sh_symbian_encode_section_info): Likewise.
11930 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11932 * builtins.c (expand_builtin_strcmp): Cover label definition of
11933 do_libcall with HAVE_cmpstrnsi.
11935 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11937 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11939 * function.h (temp_slot_p): New.
11940 (function): Change the type of x_used_temp_slots to
11941 VEC(temp_slot_p,gc) *.
11943 2006-04-18 Nick Clifton <nickc@redhat.com>
11945 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11946 flag_strength_reduce.
11948 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11950 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11954 Partial revert of revision 112637
11955 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11956 Dale Johannesen <dalej@apple.com>
11959 * regclass.c (struct reg_pref): Update documentation.
11960 (regclass): Set prefclass to NO_REGS if memory is the best option.
11961 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11963 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11965 PR tree-optimization/26821
11966 * tree-ssa-math-opts.c (get_constant_one): New.
11967 (insert_reciprocals): Use it.
11969 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11971 * dwarf2out.c (free_AT): Delete.
11972 (remove_AT): Update string ref counts.
11973 (remove_child_TAG): Don't call free_die.
11974 (free_die): Delete.
11975 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11976 or DW_TAG_GNU_EINCL.
11977 (prune_unused_types_walk_attribs): Reset string refcounts.
11978 (prune_unused_types_update_strings): New.
11979 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11980 call free_die. Do call prune_unused_types_update_strings.
11981 (prune_unused_types): Empty debug_str_hash.
11983 2006-04-17 Roger Sayle <roger@eyesopen.com>
11985 * expr.c (expand_assignment): Optimize away no-op moves where the
11986 source and destination are equal and have no side-effects.
11988 2006-04-17 Richard Guenther <rguenther@suse.de>
11991 * reload.c (push_reload): Guard calls to get_secondary_mem
11992 for memory subregs.
11994 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11996 * alias.c (reg_base_value, old_reg_base_value): Change the
11997 type to VEC(rtx,gc) *.
11998 (REG_BASE_VALUE, find_base_value, record_set,
11999 init_alias_analysis): Use VEC instead of VARRAY.
12001 * alias.c (alias_sets): Change the type to
12002 VEC(alias_set_entry,gc) *.
12003 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12004 VEC instead of VARRAY.
12005 (last_alias_set): Remove.
12007 * cgraph.h (cgraph_edge_p): New.
12008 Update the prototype of cgraph_function_versioning.
12009 * cgraphunit.c (cgraph_copy_node_for_versioning,
12010 cgraph_function_versioning): Use VEC instead of VARRAY.
12011 * ipa-cp.c (ipcp_insert_stage): Likewise.
12013 2006-04-16 Roger Sayle <roger@eyesopen.com>
12016 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12017 "A op B" or "A op C", we may need to convert A to the type of B and C.
12019 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12021 * target.h (struct gcc_target): Add mode_rep_extended.
12022 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12023 (init_num_sign_bit_copies_in_rep): Initialize it using
12025 (truncate_to_mode): Use it.
12026 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12027 * targhooks.h (default_mode_rep_extended): Declare it.
12028 * targhooks.c (default_mode_rep_extended): Define it.
12029 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12030 default_mode_rep_extended.
12031 (TARGET_INITIALIZER): Include it.
12032 * doc/tm.texi (Misc): Document it.
12033 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12034 (mips_truncated_to_mode): New function.
12036 2006-04-16 Roger Sayle <roger@eyesopen.com>
12038 PR middle-end/25474
12039 * expr.c (compress_float_constant): Copy the narrow constant into
12040 a new pseudo before extending it to its final width.
12042 2006-04-16 Roger Sayle <roger@eyesopen.com>
12043 Andrew Pinski <pinskia@gcc.gnu.org>
12044 Dale Johannesen <dalej@apple.com>
12047 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12048 special case code to implement V8HImode and V16QImode with SSE2.
12050 2006-04-15 Roger Sayle <roger@eyesopen.com>
12052 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12053 trees are constructed with a suitable tree type.
12055 2006-04-15 Roger Sayle <roger@eyesopen.com>
12057 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12058 (integer_onep): Likewise.
12059 (integer_all_onesp): Likewise.
12060 (integer_pow2p): Likewise.
12061 (integer_nonzerop): Likewise.
12062 (real_zerop): Likewise.
12063 (real_onep): Likewise.
12064 (real_twop): Likewise.
12065 (real_minus_onep): Likewise.
12066 (int_size_in_bytes): Likewise.
12067 (host_integerp): Likewise.
12069 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12071 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12072 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12073 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12075 * tree-ssa-structalias.h (alias_info): Remove num_references.
12077 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12079 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12080 (output_bvb patterns): Likewise.
12081 * pa.c (output_bb): Use 'bb' insn for long branch case.
12082 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12083 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12084 1. Correct length operand for alternatives 1 and 2.
12085 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12086 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12088 2006-04-14 Roger Sayle <roger@eyesopen.com>
12090 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12091 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12092 were accidentally reverted by r112959.
12094 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12096 PR middle-end/26823
12097 * except.h (eh_region_outermost): New prototype.
12098 * except.c (eh_region_outermost): New function.
12099 * tree-cfg.c (find_outermost_region_in_block): Use it.
12101 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12103 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12105 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12106 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12107 (init_reload, reload): Use VEC instead of VARRAY.
12108 * reload.h: Update the prototype for
12109 reg_equiv_memory_loc_varray.
12111 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12112 Eric Botcazou <ebotcazou@libertysurf.fr>
12114 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12115 register save area.
12117 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12119 PR middle-end/27134
12120 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12121 to expand fallback builtin function call.
12123 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12125 PR middle-end/27095
12126 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12127 and emit libcall here in case the builtin fails.
12128 (expand_builtin_strcmp): Always emit the libcall here on failure.
12130 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12132 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12133 * flow.c (reg_n_info): Change the type to
12134 VEC(reg_info_p,heap) *.
12135 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12137 * regs.h (reg_info_p): New.
12138 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12139 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12140 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12143 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12145 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12147 * params.h (MAX_SCHED_READY_INSNS): New macro.
12148 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12149 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12150 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12151 the ready list for 1 cycle during the first scheduling pass.
12152 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12154 2006-04-13 Richard Henderson <rth@redhat.com>
12157 * gimple-low.c (lower_omp_directive): Remove dead code.
12158 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12159 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12160 * omp-low.c (struct omp_region): Move to tree-flow.h.
12161 (root_omp_region): Export.
12162 (omp_regions, lookup_omp_region): Remove.
12163 (determine_parallel_type): Update for struct omp_region changes.
12164 (dump_omp_region): Dump regions with block numbers.
12165 (new_omp_region): Take type and block instead of stmt; malloc
12167 (free_omp_region_1, free_omp_regions): New.
12168 (expand_parallel_call): Take entry_stmt as argument; update for
12169 changes to omp_region.
12170 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12171 (remove_exit_barriers): New.
12172 (expand_omp_parallel): Update for struct omp_region changes.
12173 (expand_omp_synch): Likewise.
12174 (expand_omp): Likewise.
12175 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12176 (expand_omp_for_static_chunk): Likewise.
12177 (expand_omp_for): Likewise.
12178 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12179 (expand_omp_sections): Similarly, with GOMP_sections_end.
12180 (expand_omp_single): New.
12181 (build_omp_regions_1): Update for OMP_CONTINUE.
12182 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12183 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12184 OMP_SECTIONS_SECTIONS.
12185 (lower_omp_single_simple): Don't emit barrier here.
12186 (lower_omp_single_copy): Likewise.
12187 (lower_omp_single): Fix bindings, and lower to straightline now.
12188 (lower_omp_master, lower_omp_ordered): Likewise.
12189 (lower_omp_critical): Likewise.
12190 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12191 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12192 omp edges, free it afterward.
12193 (make_omp_sections_edges): Remove.
12194 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12195 (move_stmt_r): Handle OMP_CONTINUE.
12196 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12197 statement pointers to basic blocks. Add type member.
12198 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12199 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12200 * tree-inline.c (estimate_num_insns_1): Likewise.
12201 * tree-pretty-print.c (dump_generic_node): Likewise.
12202 * tree-ssa-operands.c (get_expr_operands): Likewise.
12203 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12204 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12205 (OMP_CONTINUE): New.
12206 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12207 (OMP_SECTIONS_SECTIONS): Remove.
12208 (OMP_SECTION_LAST): New.
12209 (OMP_RETURN_NOWAIT): New.
12211 2006-04-13 Roger Sayle <roger@eyesopen.com>
12213 * fold-const.c (native_encode_vector, native_interpret_real):
12214 Correct obvious mistakes in the previous check-in.
12216 2006-04-13 Roger Sayle <roger@eyesopen.com>
12218 * fold-const.c (native_encode_expr): New function to encode
12219 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12220 or VECTOR_CST into a specified buffer.
12221 (native_encode_int): New function.
12222 (native_encode_real): New function.
12223 (native_encode_complex): New function.
12224 (native_encode_vector): New function.
12225 (native_interpret_expr): Inverse of native_encode_expr to convert
12226 a target representation into an INTEGER_CST, REAL_CST etc...
12227 (native_interpret_int): New function.
12228 (native_interpret_real): New function.
12229 (native_interpret_complex): New function.
12230 (native_interpret_vector): New function.
12231 (fold_view_convert_expr): New function to constant fold/evaluate
12232 a VIEW_CONVERT_EXPR of a suitable constant expression.
12233 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12234 Change call of build1 to fold_build1 when constructing a
12237 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12238 Ulrich Weigand <uweigand@de.ibm.com>
12241 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12244 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12247 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12248 optimize to lo_sum for DFmode if !TARGET_FPRS.
12250 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12252 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12253 delete_alias_info, compute_flow_sensitive_aliasing,
12254 group_aliases): Use VEC instead of VARRAY.
12255 * tree-ssa-structalias.c (update_alias_info): Likewise.
12256 * tree-ssa-structalias.h (alias_info): Change the type of
12257 processed_ptrs to VEC(tree,heap) *.
12259 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12262 * config/sh/lib1funcs.h: New file, broken out of:
12263 * config/sh/lib1funcs.asm.
12264 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12266 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12267 * config/sh/lib1funcs-Os-4-200.asm: New file.
12268 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12269 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12270 (EXTRA_MULTILIB_PARTS): Include it.
12271 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12272 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12273 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12274 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12277 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12279 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12280 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12281 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12283 * tree-ssa-live.h: Include vecprim.h.
12284 (tree_partition_associator_d): Change the type of
12285 first_partition to VEC(int,heap) *.
12286 (tpa_first_partition): Use VEC instead of VARRAY.
12288 * Makefile.in (GTFILES): Move functions.h after tree.h.
12289 * function.c (reset_block_changes, record_block_change,
12290 check_block_change, free_block_changes): Use VEC instead of
12292 * function.h (function): Change the type of
12293 ib_boundaries_block to VEC(tree,gc) *.
12294 * tree-inline.c (copy_cfg_body): Initialize
12295 ib_boundaries_block to NULL instead of (varray_type) 0.
12297 2006-04-12 Roger Sayle <roger@eyesopen.com>
12299 * expr.c (emit_group_store): Correct operand order in call to
12300 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12301 a SUBREG_BYTE of zero.
12303 2006-04-12 Richard Guenther <rguenther@suse.de>
12305 * profile.c (compute_branch_probabilities): Remove code
12306 encapsulated in !ir_type (), which are remanents of the
12307 removed RTL profiling code.
12308 * rtl-profile.c: Remove.
12310 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12312 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12313 magic NULL_RTX comment.
12314 (function_arg): Store entire fp arg to mem if any part should go
12316 (rs6000_arg_partial_bytes): Adjust for above change.
12318 2006-04-11 Roger Sayle <roger@eyesopen.com>
12320 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12321 if it hasn't been initialized by dwarf2out_init.
12323 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12325 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12326 symbolic constants in branch patterns.
12328 2006-04-11 Roger Sayle <roger@eyesopen.com>
12330 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12332 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12334 PR rtl-optimization/27073
12335 * gcse.c (try_replace_reg): Revert last change. Continue to search
12336 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12339 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12341 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12342 aggregate types other than record and union types.
12343 (function_arg): Likewise.
12344 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12346 (function_value): In 64-bit mode, return objects that require it
12349 2006-04-11 Roger Sayle <roger@eyesopen.com>
12351 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12353 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12355 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12357 2006-04-03 Jeff Law <law@redhat.com>
12360 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12361 alias information too.
12363 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12365 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12367 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12370 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12371 (premark_used_types_helper): New.
12372 (premark_used_types): New.
12373 (gen_subprogram_die): Call premark_used_types.
12374 (prune_unused_types_walk): Do not prune perennial dies.
12375 * function.c (used_types_insert): New.
12376 * function.h (struct function): Add used_types_hash field.
12377 (used_types_insert): Add prototype.
12378 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12379 * c-parser.c (c_parser_cast_expression): Save casted types in used
12382 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12385 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12386 rs6000_explicit_options.float_gprs.
12388 2006-04-10 Roger Sayle <roger@eyesopen.com>
12390 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12391 from ix86_expand_vector_init_low_nonzero. Take an additional
12392 one_var argument indicating which element is non-zero. Support
12393 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12394 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12395 with one_var instead of ix86_expand_vector_init_low_nonzero.
12397 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12399 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12400 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12401 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12402 build/genextract.o): Depend on vecprim.h.
12403 * cfglayout.c, df-problems.c, function.c, genextract.c,
12404 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12405 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12409 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12411 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12412 Declare VECs of this type.
12413 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12414 (remove_children): Delete.
12415 (add_dwarf_attr): Use VEC routines.
12416 (add_AT_flag): Update for changes to add_dwarf_attr.
12417 (add_AT_int): Likewise.
12418 (add_AT_unsigned): Likewise.
12419 (add_AT_long_long): Likewise.
12420 (add_AT_vec): Likewise.
12421 (add_AT_string): Likewise.
12422 (add_AT_die_ref): Likewise.
12423 (add_AT_fde_ref): Likewise.
12424 (add_AT_loc): Likewise.
12425 (add_AT_loc_list): Likewise.
12426 (add_AT_addr): Likewise.
12427 (add_AT_lbl_id): Likewise.
12428 (add_AT_lineptr): Likewise.
12429 (add_AT_macptr): Likewise.
12430 (add_AT_offset): Likewise.
12431 (add_AT_range_list): Likewise.
12432 (get_AT): Use VEC_iterate.
12433 (remove_AT): Use VEC_ordered_remove.
12434 (free_die): Fold remove_children into here; have it use VEC_iterate.
12435 (print_die): Use VEC_iterate on attrs.
12436 (reverse_die_lists): Don't reverse attr lists.
12437 (die_checksum): Use VEC_iterate on attrs.
12438 (same_die_p): Likewise.
12439 (output_location_lists): Likewise.
12440 (build_abbrev_table): Likewise.
12441 (size_of_die): Likewise.
12442 (unmark_all_dies): Likewise.
12443 (output_abbrev_section): Likewise.
12444 (output_die): Likewise.
12445 (prune_unused_types_walk_attribs): Likewise.
12447 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12449 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12451 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12454 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12456 2006-04-09 Roger Sayle <roger@eyesopen.com>
12458 * expr.c (store_constructor): Don't bother clearing target if
12459 we're about to assign a vector to it using vec_init_optab.
12461 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12463 * tree-ssa-alias.c (lhs_may_store_to): New function.
12464 (recalculate_used_alone): Handle LHS of calls.
12466 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12470 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12471 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12472 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12473 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12474 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12475 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12476 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12477 stubs. Add ".align 8" directives before all ".dword" directives.
12478 (GTHREAD_USE_WEAK): Revise comment.
12479 (TARGET_ATTRIBUTE_WEAK): Define.
12480 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12481 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12482 * stublib.c: New file.
12487 * pa.md (cbranch patterns): Revise arguments used in calls to
12488 output_cbranch, output_bb and output_bvd. Add long branch length
12490 (fbranch patterns): Handle long branches.
12491 (jump): Revise length check. Revise arguments for output_lbranch call.
12492 Add long branch length attributes.
12493 (decrement_and_branch_until_zero): Add long branch length attributes.
12494 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12495 Likewise. Revise arguments for output_parallel_addb and
12496 output_parallel_movb calls.
12497 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12498 output_parallel_movb and output_parallel_addb): Update prototypes.
12499 * pa.c (output_cbranch): Revise arguments. Correct handling of
12500 nullification in long branches.
12501 (output_lbranch): Add new argument to control extraction of delay
12503 (output_bb): Handle long branches.
12504 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12505 output_parallel_addb): Likewise.
12507 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12509 PR rtl-optimization/27073
12510 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12513 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12515 * tree.h (tree_memory_tag): Add old_used_alone.
12516 (SMT_OLD_USED_ALONE): New macro.
12517 * tree-ssa-alias.c (recalculate_used_alone): Stop
12518 marking things for renaming unnecessarily.
12520 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12522 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12523 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12524 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12525 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12526 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12527 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12528 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12529 spelling convensions.
12530 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12531 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12532 typos. Follow spelling conventions.
12534 2006-04-07 DJ Delorie <dj@redhat.com>
12536 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12537 passed on the stack.
12538 (m32c_init_cumulative_args): When a function returns a structure,
12539 always pass the pointer to that return area on the stack.
12540 (m32c_function_arg_advance): Don't increment the parameter number
12541 if we're processing the returned structure pointer.
12542 (pushm_info): Reverse order of registers.
12544 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12546 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12547 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12548 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12549 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12550 build_int_cst_type.
12551 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12552 chrec_fold_multiply): Same.
12553 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12554 force_expr_to_var_cost): Same.
12555 * tree-mudflap.c (mf_xform_derefs_1): Same.
12556 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12558 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12560 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12561 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12564 2006-04-07 Jan Hubicka <jh@suse.cz>
12566 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12568 2006-04-07 Richard Guenther <rguenther@suse.de>
12570 PR tree-optimization/26135
12571 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12572 loads for store copy-prop.
12573 (copy_prop_visit_stmt): Likewise.
12575 2006-04-05 Robert Millan <robertmh@gnu.org>
12577 * config/i386/linux.h: Add a comment to mark macros that are
12578 being overriden in config/k*bsd-gnu.h.
12579 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12581 * config/knetbsd-gnu.h: Ditto.
12583 2006-04-06 Jan Hubicka <jh@suse.cz>
12587 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12590 2006-04-06 Mike Stump <mrs@apple.com>
12592 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12593 for HAVE_nonlocal_goto to be consistent.
12594 (expand_builtin_nonlocal_goto): Likewise.
12595 (expand_builtin_strcmp): Use #ifdef instead of #if
12596 for HAVE_cmpstrnsi to be consistent.
12598 2006-04-05 DJ Delorie <dj@redhat.com>
12600 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12603 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12605 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12606 got-relative addressing for anything but SImode.
12608 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12609 even if the calling function doesn't modify them.
12611 2006-04-05 Richard Guenther <rguenther@suse.de>
12613 PR tree-optimization/26919
12614 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12615 to cgraph_estimate_size_after_inlining.
12617 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12619 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12621 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12623 PR tree-optimization/26996
12624 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12625 VECTOR_TYPE variables.
12627 2006-04-05 Richard Guenther <rguenther@suse.de>
12629 PR tree-optimization/26763
12630 * fold-const.c (fold_comparison): Move folding of
12631 PTR + CST CMP PTR + CST ...
12632 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12634 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12636 * doc/install.texi (Prerequisites): Refine some wording on
12637 bootstrapping and ksh.
12638 Move the version numbers of DejaGnu here from the testing section
12639 and fix casing of names.
12640 Fix markup and clarify wording for autogen requirements.
12641 Refer to GCJ instead of just java.
12642 Refer to SVN instead of CVS.
12643 Describe diffutils as useful instead of necessary.
12644 (Downloading the source): Refer to SVN instead of CVS.
12645 Adjust a link to our web site accordingly.
12646 (Configuration): Fix casing of Bison.
12647 (Building): Refer to SVN instead of CVS.
12648 Fix a sentence on the use of Bison and remove duplicate (and
12649 incorrect) version number of Bison requirement.
12650 Remove one redundant list of packages needed for building.
12651 (Specific): Avoid reference to CVS.
12653 2006-04-04 Eric Christopher <echristo@apple.com>
12655 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12656 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12657 (rs6000_handle_struct_attribute): New.
12658 (rs6000_ms_bitfield_layout_p): Ditto.
12660 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12662 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12663 NULL for dso parameter to atexit_common.
12665 2006-04-04 Eric Christopher <echristo@apple.com>
12667 * config/i386/i386.c (machopic_output_stub): Output \t
12668 between instructions and operands.
12670 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12672 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12673 satisfies_constraint_[IL] to explicit tests on value.
12675 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12677 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12678 set_nb_iterations_in_loop): Use build_int_cst instead of
12679 build_int_cst_type.
12680 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12681 build_int_cst instead of convert.
12683 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12685 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12686 new value 2 for incoming.
12687 * function.c (expand_function_start): Call struct_value_rtx
12688 with incoming as 2.
12689 * config/sparc/sparc.md: Comment updated_return.
12690 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12691 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12692 struct return if sparc_std_struct_return and incoming is 2.
12693 (print_operand): Do not adjust return if
12694 sparc_std_struct_return.
12696 2006-04-04 Roger Sayle <roger@eyesopen.com>
12698 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12699 convert in the middle-end.
12700 * expr.c (store_expr, store_constructor, get_inner_reference,
12701 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12703 * tree.c (build_range_type): Likewise.
12705 2006-04-04 Tom Tromey <tromey@redhat.com>
12707 * doc/install.texi (Prerequisites): Mention jar.
12709 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12711 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12714 2006-04-04 Matthias Klose <doko@debian.org>
12716 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12720 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12723 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12725 * doc/extend.texi (Function Attributes): Rewrite visibility
12726 attribute documentation.
12727 * doc/invoke.texi (C++ Dialect Options): Rewrite
12728 -fvisibility-inlines-hidden documentation to describe something
12729 entirely different, although in practise compatible.
12730 (Code Gen Options): Warn about system headers in -fvisibility=
12733 * doc/extend.texi (Other Builtins): Document that
12734 __builtin_nan is a compile-time constant only when its argument
12737 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12739 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12740 trying to remove TRUNCATE check if all bits outside the new mode
12741 are identical to the sign bit.
12743 2006-04-03 Jeff Law <law@redhat.com>
12745 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12746 and operand scanning in some common cases.
12748 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12749 Dale Johannesen <dalej@apple.com>
12752 * regclass.c (struct reg_pref): Update documentation.
12753 (regclass): Set prefclass to NO_REGS if memory is the best option.
12754 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12755 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12756 into account. For non-registers, equate an empty preferred
12757 reload class to a `!' in the constraint; move the if clause to
12758 do so after those that reject the insn.
12759 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12761 (find_dummy_reload): Likewise.
12762 * doc/tm.texi (Register Classes): Document what it means
12763 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12764 * config/i386/i386.c (ix86_preferred_reload_class): Force
12765 using SSE registers (and return NO_REGS for floating-point
12766 constants) if math is done with SSE.
12767 (ix86_preferred_output_reload_class): New.
12768 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12769 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12770 * config/i386/i386.md: Remove # register preferences.
12772 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12775 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12776 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12777 the type of nb_iter.
12778 (instantiate_parameters_1): Convert the operands before calling
12779 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12780 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12782 2006-04-02 Roger Sayle <roger@eyesopen.com>
12784 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12785 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12786 instead of convert.
12787 * dojump.c (do_jump): Likewise.
12788 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12789 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12790 gimplify_boolean_expr): Likewise.
12791 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12792 * varasm.c (array_size_for_constructor): Likewise.
12793 * tree-object-size.c (compute_object_offset): Likewise.
12795 2006-04-02 Roger Sayle <roger@eyesopen.com>
12797 PR middle-end/26977
12798 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12799 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12801 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12803 PR tree-optimization/26939
12804 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12806 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12808 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12809 at_stmt. Convert the type of operands before calling
12810 build_polynomial_chrec.
12811 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12812 add_to_evolution_1.
12813 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12814 (instantiate_parameters_1): Convert the type of operands before calling
12815 build_polynomial_chrec.
12816 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12817 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12818 reset_evolution_in_loop): Insert asserts to check the types of the
12820 (chrec_type): Moved...
12821 (eq_evolutions_p): Use operand_equal_p.
12822 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12823 the types of the operands.
12824 (chrec_type): ...here.
12825 * tree-data-ref.c (create_data_ref): Convert the operands before
12826 calling chrec_replace_initial_condition.
12827 (same_access_functions, analyze_subscript_affine_affine,
12828 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12829 (compute_subscript_distance, analyze_ziv_subscript,
12830 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12831 analyze_miv_subscript): Convert the operands before calling
12832 chrec_fold_minus or chrec_fold_plus.
12834 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12836 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12837 the dependence_relations vector.
12838 (compute_data_dependences_for_loop): Adjust call to
12839 compute_all_dependences.
12841 2006-04-01 Roger Sayle <roger@eyesopen.com>
12842 Richard Henderson <rth@redhat.com>
12844 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12845 gimple_boolify on the condition before calling gimplify_expr.
12847 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12849 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12850 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12851 the frame size. Update to use the new macros.
12852 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12853 * config/xtensa/ieee754-df.S: Likewise.
12855 2006-03-31 Richard Henderson <rth@redhat.com>
12857 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12858 (make_edges): ... here. Control fallthru creation with a local
12859 variable. Do not play with fake edges.
12860 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12861 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12864 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12866 * dwarf2.h (DW64_CIE_ID): Define.
12867 * dwarf2out.c (DWARF_CIE_ID): Define.
12868 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12869 length header. Use DWARF_CIE_ID.
12870 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12871 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12873 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12875 * config/sh/linux-atomic.asm: New file.
12876 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12878 2006-03-31 DJ Delorie <dj@redhat.com>
12880 * config/m32c/cond.md: Set condition flags properly throughout.
12881 * config/m32c/minmax.md: Likewise.
12882 * config/m32c/prologue.md: Likewise.
12883 * config/m32c/bitops.md: Likewise.
12884 * config/m32c/muldiv.md: Likewise.
12885 * config/m32c/mov.md: Likewise.
12886 * config/m32c/addsub.md: Likewise.
12887 * config/m32c/m32c.md: Likewise.
12888 * config/m32c/jump.md: Likewise.
12889 * config/m32c/shift.md: Likewise.
12891 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12892 conditionally output the pattern for this.
12893 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12894 (m32c_compare_redundant): New.
12895 (m32c_output_compare): New.
12896 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12898 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12899 dest, not src. Allow other 4-byte modes.
12901 2006-03-30 Denis Chertykov <denisc@overta.ru>
12903 * doc/md.texi: Refer to avr/constraints.md instead of
12906 2006-03-30 Roger Sayle <roger@eyesopen.com>
12908 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12909 signed vs. unsigned comparison failures on some hosts.
12911 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12914 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12915 change to FLOAT_REGS.
12917 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12918 (rs6000_override_options): Use it.
12919 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12920 only for -mabi=spe/no-spe and -mabi=altivec.
12922 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12924 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12927 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12929 * Makefile.in: Rename docdir to gcc_docdir.
12931 2006-03-30 Roger Sayle <roger@eyesopen.com>
12934 * expr.c (emit_group_store): Optimize group stores into a pseudo
12935 register by using a paradoxical subreg to initialize the destination
12936 if the first or last member of the group specifies a "low part".
12938 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12941 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12942 * target.h (struct gcc_target.speculate_insn): Change type of the
12943 second parameter to 'int'.
12944 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12945 the second operand of the DEPS_LIST.
12946 (copy_DEPS_LIST_list): Update reference to the second operand of the
12948 * rtl.h (alloc_DEPS_LIST): Update signature.
12949 * sched-int.h (ds_t): Change typedef to 'int'.
12950 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12952 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12954 * haifa-sched.c (try_ready): Change condition to restore
12955 non-speculative pattern of the instruction.
12956 (process_insn_depend_be_in_spec): Code to keep probability of the
12957 speculative dependence non-decreasing.
12959 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12961 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12962 (single_move_for_movmem): ... this. Also change all uses.
12963 (bfin_expand_strmov): Renamed to...
12964 (bfin_expand_movmem): ... this. Also change all uses.
12965 * config/bfin/bfin.md (movstrsi): Renamed to...
12966 (movstrsi): ...this.
12968 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12970 PR tree-optimization/26830
12972 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12973 (copy_prop_visit_stmt): Remove write-only variable ann.
12974 (init_copy_prop): Check variable loop depth here. Do not simulate
12975 memory-tag and virtual operand PHIs except for store copy prop.
12977 2006-03-30 Richard Guenther <rguenther@suse.de>
12979 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12980 variants with double arguments.
12982 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12984 * genpreds.c (write_tm_constrs_h): Delete variable p.
12985 * genconditions.c (write_header): Add tm-constrs.h to included
12987 * genpeep.c (main): Add toplev.h to included headers.
12988 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12989 (build/genpeep.o): Add toplev.h dependency.
12990 * config/rs6000/constraints.md: Add "W" constraint.
12992 2006-03-29 Roger Sayle <roger@eyesopen.com>
12994 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12995 sizes by correctly testing whether the size fits a host integer.
12996 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12997 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12998 SImode range for the default sizetype and bitsizetype.
13000 2006-03-29 Roger Sayle <roger@eyesopen.com>
13002 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13003 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13004 quickly if the argument is already of the correct type.
13005 Call fold_build1 instead of build1. Tidy up blank lines.
13007 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13009 * genemit.c (main): Add tm-constrs.h to included headers.
13010 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13011 * genpeep.c (main): Add tm-constrs.h to included headers.
13012 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13013 (write_tm_constrs_h): this and write complete file.
13014 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13015 (write_insn_preds_c): Add tm-constrs.h to included headers.
13016 (gen_constrs): New variable.
13017 (parse_option): Parse "-c".
13018 (main): Invoke write_tm_constrs_h.
13019 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13020 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13021 (object_out_file): Add tm-constrs.h dependency.
13022 (insn-emit.o): Same.
13023 (insn-output.o): Same.
13024 (insn-peep.o): Same.
13025 (insn-preds.o): Same.
13026 (insn-recog.o): Same.
13027 (tm-constsr.h): New target.
13028 (s-constrs-h): New target.
13030 * config/rs6000/constraints.md: New file.
13031 * config/rs6000/rs6000.c: Include tm-constrs.h.
13032 (num_insn_constant_wide): Convert to satisfies_constraint.
13033 (rs6000_rtx_costs): Convert to satisfies_constraint.
13034 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13035 (CONST_OK_FOR_LETTER_P): Delete.
13036 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13037 (EXTRA_CONSTRAINT): Delete.
13038 (EXTRA_MEMORY_CONSTRAINT): Delete.
13039 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13040 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13041 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13042 satisfies_constraint.
13044 * config/i386/i386.c: Include tm-constrs.h.
13046 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13048 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13049 * tree-data-ref.c (find_data_references_in_loop,
13050 compute_data_dependences_for_loop): Use pointers to VEC.
13051 (analyze_all_data_dependences): Adjust calls.
13052 * tree-data-ref.h (find_data_references_in_loop,
13053 compute_data_dependences_for_loop): Adjust declarations.
13054 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13055 compute_data_dependences_for_loop.
13057 2006-03-29 Paul Brook <paul@codesourcery.com>
13059 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13060 (movdf_vfp): Ditto.
13062 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13064 PR tree-optimization/26859
13065 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13067 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13068 for the step after fold_convert.
13070 2006-03-29 Paul Brook <paul@codesourcery.com>
13072 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13073 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13075 2006-03-29 Paul Brook <paul@codesourcery.com>
13077 PR middle-end/23623
13078 * targhooks.c (default_narrow_bitfield): New fuction.
13079 * targhooks.h (default_narrow_bitfield): add prototype.
13080 * target.h (gcc_target): Add narrow_volatile_bitfield.
13081 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13082 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13083 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13084 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13086 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13088 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13090 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13091 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13092 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13093 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13094 (s390_function_arg_float): Allow SDmode and DDmode values to be
13095 passed in floating point registers.
13096 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13097 check with SCALAR_FLOAT_MODE_P.
13098 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13100 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13102 PR tree-optimization/25985
13103 * tree-ssa-loop-niter.c (number_of_iterations_le,
13104 number_of_iterations_ne): Make comments more precise.
13105 (number_of_iterations_cond): Add only_exit argument. Use the
13106 fact that signed variables do not overflow only when only_exit
13108 (loop_only_exit_p): New.
13109 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13110 number_of_iterations_cond.
13112 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13114 PR tree-optimization/26643
13115 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13118 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13120 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13121 (divsi3_i4_int): Likewise.
13123 2006-03-28 Roger Sayle <roger@eyesopen.com>
13125 * expr.c (emit_group_store): Only create a new pseudo reg if the
13126 quantity it needs to hold isn't already a suitable pseudo.
13128 2006-03-28 Jeff Law <law@redhat.com>
13130 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13131 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13133 2006-03-28 Roger Sayle <roger@eyesopen.com>
13135 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13136 the equivalent ~X & Y, and the symmetry related transformations.
13137 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13138 ~X & Y, and symmetry related transforms.
13140 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13142 Revert my 2006-03-27 patches.
13144 2006-03-28 Roger Sayle <roger@eyesopen.com>
13146 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13147 ~(T1)X, when T1 and T2 are integer types of the same precision
13148 and (T2)X isn't an extension.
13150 2006-03-28 Jeff Law <law@redhat.com>
13152 PR tree-optimization/26796
13153 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13154 need EH edge cleanups rather than purging them immediately.
13155 (eliminate_degenerate_phis): Handle queued EH cleanups.
13157 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13159 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13162 2006-03-27 Roger Sayle <roger@eyesopen.com>
13164 PR middle-end/22524
13165 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13166 cast BIT_NOT_EXPR operand to the correct type.
13168 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13170 * tree-loop-linear.c: Don't include varray.h.
13171 (gather_interchange_stats, try_interchange_loops,
13172 linear_transform_loops): Use VEC instead of VARRAY.
13173 * lambda-mat.c: Don't include varray.h.
13174 * tree-chrec.c: Same.
13175 * lambda-trans.c: Same.
13176 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13177 VEC instead of VARRAY.
13178 * tree-vectorizer.h: Idem.
13179 * tree-data-ref.c (dump_data_references,
13180 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13181 initialize_data_dependence_relation, finalize_ddr_dependent,
13182 compute_all_dependences, find_data_references_in_loop,
13183 compute_data_dependences_for_loop, analyze_all_data_dependences,
13184 free_dependence_relation, free_dependence_relations,
13185 free_data_refs): Idem.
13186 * tree-data-ref.h (data_reference_p, subscript_p): New.
13187 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13188 VEC instead of VARRAY.
13189 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13190 (find_data_references_in_loop, compute_data_dependences_for_loop,
13191 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13192 dump_data_dependence_relations, free_dependence_relations,
13193 free_data_refs): Adjust declaration.
13194 (lambda_transform_legal_p): Move declaration here...
13195 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13196 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13197 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13198 vect_analyze_data_refs): Use VEC instead of VARRAY.
13199 * lambda.h (lambda_transform_legal_p): ...from here.
13200 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13201 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13202 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13203 tree-chrec.o): Don't depend on VARRAY_H.
13205 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13207 * rtl.def (Copyright): Update date.
13208 (DEPS_LIST): Change type of the second operand to 'int'.
13209 * target.h (Copyright): Update date.
13210 (struct gcc_target.speculate_insn): Change type of the second parameter
13212 * lists.c (Copyright): Update date.
13213 (alloc_DEPS_LIST): Change signature. Update reference to the second
13214 operand of the DEPS_LIST.
13215 (copy_DEPS_LIST_list): Update reference to the second operand of the
13217 * rtl.h (Copyright): Update date.
13218 (alloc_DEPS_LIST): Update signature.
13219 * sched-int.h (Copyright): Update date.
13220 (ds_t): Change typedef to 'int'.
13221 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13223 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13225 * haifa-sched.c (Copyright): Update date.
13226 (try_ready): Change condition to restore non-speculative pattern
13227 of the instruction.
13228 (process_insn_depend_be_in_spec): Code to keep probability of the
13229 speculative dependence non-decreasing.
13231 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13233 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13234 shut up the compiler.
13236 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13238 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13239 to use lib prefix for target.
13240 ($(T)libic_invalidate_array_4-200.a): Likewise.
13241 ($(T)libic_invalidate_array_4a.a): Likewise.
13243 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13244 J"orn Rennecke <joern.rennecke@st.com>
13246 * superh.opt: New file.
13247 * sh.c (boardtype, osruntime): Remove.
13248 * superh.h (SUBTARGET_OPTIONS): Remove.
13249 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13251 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13252 arguments with ^ and/or [].
13254 * config.gcc (sh-*-*): Add quoting to account for quirk of
13256 Replace == with = in enable_incomplete_targets test.
13258 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13259 with MASK_LITTLE_ENDIAN.
13261 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13262 * config/sh/sh.opt: Added to some comments.
13263 * config/sh/superh.h: Removed some chaff.
13265 * config/sh/sh.opt: Add m4-[1234]00* options.
13266 * config/sh/sh.c (sh_handle_option): Likewise.
13267 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13268 (ic_invalidate_array_4-100.o): New rule.
13269 ($(T)libic_invalidate_array_4-100.a): Likewise.
13270 (ic_invalidate_array_4-200.o): Likewise.
13271 ($(T)libic_invalidate_array_4-200.a): Likewise.
13272 (ic_invalidate_array_4a.o): Likewise.
13273 ($(T)libic_invalidate_array_4a.a): Likewise.
13274 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13275 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13277 * config/sh/crt1.asm: Merged in profiling code.
13278 * config/sh/superh.h (STARTFILE_SPEC): Override.
13279 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13280 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13281 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13283 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13284 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13285 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13287 * sh.opt (mpretend-cmove): New option.
13288 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13289 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13290 (movsicc): Add TARGET_PRETEND_CMOVE code.
13292 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13294 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13295 s390_class_max_nregs): New function prototypes.
13296 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13297 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13298 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13299 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13301 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13303 * dwarf2out.c (add_location_or_const_value_attribute): Call
13304 tree_add_const_value_attribute if nothing else works.
13305 (reference_to_unused): New.
13306 (rtl_for_decl_init): Use reference_to_unused to decide whether
13307 to output an initializer.
13309 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13312 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13313 peephole removing spe frob_di_df_2.
13315 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13317 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13318 (subscript_dependence_tester_1): Declared.
13319 (print_dir_vectors, print_dist_vectors): New.
13320 (debug_data_dependence_relation): New.
13321 (dump_data_dependence_relation): Print more details.
13322 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13323 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13324 (save_dist_v, save_dir_v, add_outer_distances,
13325 build_classic_dist_vector_1): New.
13326 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13327 Don't test for lambda_vector_lexico_pos.
13328 (same_access_functions, add_multivariate_self_dist,
13329 add_other_self_distances, dir_from_dist): New.
13330 (build_classic_dir_vector): Replace implementation almost identical to
13331 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13333 (subscript_dependence_tester_1): New.
13334 (subscript_dependence_tester): Handle the lexicographically negative
13335 distance vectors by recomputing the dependence relation.
13336 (compute_affine_dependence): Remove parameter loop_nest_depth.
13337 (compute_self_dependence): Don't call compute_subscript_distance.
13338 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13339 Add a parameter for the loop_nest.
13340 (find_loop_nest_1, find_loop_nest): New.
13341 (compute_data_dependences_for_loop): Compute the loop nest, and give
13342 up if the nest is not well formed.
13343 * tree-data-ref.h (loop_p): New.
13344 (struct data_dependence_relation): Replace size_vect field with
13345 loop_nest, a vec of loops.
13346 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13347 (DDR_LOOP_NEST): New.
13348 (print_dir_vectors, print_dist_vectors,
13349 debug_data_dependence_relation): Declared.
13350 (index_in_loop_nest): New.
13351 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13352 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13355 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13357 * simplify-rtx.c (simplify_relational_operation): Call
13358 simplify_relational_operation_1 even if mode is VOIDmode.
13360 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13362 PR tree-optimization/26804
13363 * tree.h (DECL_CALL_CLOBBERED): New macro.
13364 (tree_decl_common): Add call_clobbered_flag.
13365 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13366 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13367 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13368 (mark_non_addressable): Ditto.
13369 * tree-ssa.c (verify_call_clobbered): New function.
13370 (verify_alias_info): Use it.
13371 * tree-pass.h (pass_reset_cc_flags): New prototype.
13372 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13373 (reset_cc_flags): New function.
13374 * passes.c (init_optimization_passes): Call reset_cc_flags after
13375 initializing referenced_vars.
13377 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13378 Roger Sayle <roger@eyesopen.com>
13380 PR middle-end/26717
13381 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13382 to 1.0 for non-real operands. Implement A / A optimization for
13385 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13387 * config/i386/i386.c (size_cost): Correct the comment for
13388 cost of storing fp registers.
13389 (i386_cost): Likewise.
13390 (i486_cost): Likewise.
13391 (pentium_cost): Likewise.
13392 (pentiumpro_cost): Likewise.
13393 (k6_cost): Likewise.
13394 (athlon_cost): Likewise.
13395 (k8_cost): Likewise.
13396 (pentium4_cost): Likewise.
13397 (nocona_cost): Likewise.
13398 (generic64_cost): Likewise.
13399 (generic32_cost): Likewise.
13401 2006-03-24 Denis Chertykov <denisc@overta.ru>
13403 * config/avr/avr-protos.h (extra_constraint): Delete.
13404 (extra_constraint_Q): New declaration.
13405 * config/avr/constraints.md: New file.
13406 * config/avr/avr.md: Include it.
13407 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13408 (TMP_REGNO, ZERO_REGNO): Likewise.
13409 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13410 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13411 (extra_constraint): Delete.
13412 (extra_constraint_Q): Test for memory constraint 'Q'.
13413 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13414 (REG_CLASS_FROM_LETTER): Delete.
13415 (CONST_OK_FOR_LETTER_P): Delete.
13416 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13417 (EXTRA_CONSTRAINT): Delete.
13418 (TMP_REGNO): Delete.
13419 (ZERO_REGNO): Delete.
13421 2006-03-24 Jeff Law <law@redhat.com>
13423 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13424 directly. Call mark_new_vars_to_rename slightly earlier.
13426 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13428 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13429 (is_cxx): Likewise.
13430 (gen_compile_unit_die): Use new language types for Objective-C and
13432 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13433 DW_LANG_C_plus_plus.
13436 * config/t-darwin (crt3.o): Work around bug 26840.
13437 * config/darwin-crt3.c: Rewrite.
13438 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13440 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13442 * doc/invoke.texi: Document -femit-class-debug-always
13443 * common.opt: Add -femit-class-debug-always.
13445 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13447 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13448 index and base register.
13449 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13450 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13451 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13452 REGNO_OK_FOR_INDEX_P.
13453 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13455 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13456 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13457 REG_OK_FOR_BASE_P): Definitions removed.
13459 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13461 PR middle-end/26611
13462 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13463 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13464 set yet or weren't marked as local yet.
13466 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13468 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13471 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13473 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13474 (rs6000_legitimate_small_data_p): Delete.
13475 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13476 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13477 and make static. Add forward declaration. Update uses.
13478 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13479 of offsettable_memref_p.
13480 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13481 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13483 2006-03-24 Jeff Law <law@redhat.com>
13485 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13486 around bug in immediate-use iterator.
13488 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13491 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13492 or __LITTLE_ENDIAN__.
13494 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13496 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13497 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13498 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13499 * config/sh/sh.opt (mdiv=): Amend description.
13500 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13501 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13502 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13503 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13504 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13505 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13506 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13507 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13508 TARGET_DIVIDE_CALL_FP.
13510 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13512 * haifa-sched.c (choose_ready): Fix type of the local variable.
13513 Move local variables. Add comment.
13514 (check_reg_live): Change signature. Make callable from debugger.
13515 * sched-int.h (check_reg_live): Update signature.
13516 * sched-ebb.c (check_reg_live): Update parameters.
13517 * sched-rgn.c (check_reg_live): Ditto.
13518 (region_head_or_leaf_p): Check pointer before dereferencing.
13519 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13520 before reload on optimization levels below 1.
13522 2006-03-23 Richard Henderson <rth@redhat.com>
13524 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13528 * config/alpha/predicates.md (local_symbolic_operand): Reject
13531 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13534 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13535 expressions which have overflowed constants.
13537 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13539 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13541 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13543 * cfgloopmanip.c (create_loop_notes): Removed.
13544 * final.c (final_scan_insn): Do not handle loop notes.
13545 * jump.c (squeeze_notes): Ditto.
13546 * cfglayout.c (skip_insns_after_block,
13547 duplicate_insn_chain): Ditto.
13548 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13550 * cfgloop.h (create_loop_notes): Declaration removed.
13552 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13554 * varasm.c (output_constant_pool): Restore fnname and fndecl
13556 (assemble_start_function): Adjust call accordingly.
13557 (assemble_end_function): Likewise.
13559 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13562 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13565 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13567 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13570 * system.h (ICE_EXIT_CODE): New macro.
13571 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13572 (diagnostic_action_after_output): Likewise.
13573 * gcc.c (fatal_ice): New function.
13574 (execute): Use it instead of fatal.
13575 (fancy_abort): Likewise.
13576 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13578 2006-03-22 Jeff Law <law@redhat.com>
13580 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13581 iv_analyze_result returning false.
13583 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13585 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13587 2006-03-22 Richard Henderson <rth@redhat.com>
13589 PR middle-end/26084
13590 * except.c (duplicate_eh_regions_0): New.
13591 (duplicate_eh_region_1): Duplicate the children of the node as
13592 well as the node itself. Link them up properly.
13593 (duplicate_eh_region_2): Merge into ...
13594 (duplicate_eh_regions): ... here. Take copy_region argument, and
13595 copy only a sub-tree if asked. Simplify copying and fixup.
13596 (eh_region_outer_p): New.
13597 * except.h (duplicate_eh_regions): Update decl.
13598 (eh_region_outer_p): Declare.
13599 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13600 (lower_omp_master): Likewise.
13601 (lower_omp_ordered): Likewise.
13602 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13603 (move_stmt_r): Use it to remap labels. Handle recursion vs
13604 remap_decls_p properly.
13605 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13606 (find_outermost_region_in_block): New.
13607 (new_label_mapper): New.
13608 (move_sese_region_to_fn): Copy eh information to the new function
13610 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13612 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13615 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13617 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13618 into shared libraries.
13620 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13622 * doc/md.texi: Refer to i386/constraints.md instead of
13623 i386/predicates.md.
13624 * config/i386/constraints.md: New file, extracted from...
13625 * config/i386/predicates.md: ...here.
13626 * config/i386/i386.md: Include constraints.md.
13628 2006-03-21 Jason Merrill <jason@redhat.com>
13630 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13632 PR middle-end/20297
13633 * expr.c (init_block_move_fn): Force default visibility.
13634 (init_block_clear_fn): Likewise.
13635 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13636 * targhooks.c (default_external_stack_protect_fail): Likewise.
13638 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13640 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13641 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13642 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13643 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13644 (loadgp): Use mips_current_loadgp_style.
13645 (loadgp_noshared): New pattern.
13646 (sibcall_internal): Use MIPS_CALL.
13647 (sibcall_value_internal): Likewise.
13648 (sibcall_value_multiple_internal): Likewise.
13649 (call_internal): Likewise.
13650 (call_value_internal): Likewise.
13651 (call_value_multiple_internal): Likewise.
13652 (call_split): Use MIPS_CALL and add an 'S' constraint.
13653 (call_value_split): Likewise.
13654 (call_value_multiple_split): Likewise.
13655 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13656 (-mshared): New option.
13657 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13658 (mips_current_loadgp_style): Declare.
13659 * config/mips/mips.c (mips_classify_symbol): Avoid using
13660 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13661 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13662 TARGET_ABSOLUTE_ABICALLS.
13663 (override_options): Adjust comments. Improve the warning that is
13664 issued when -mabicalls and -G are used together.
13665 (mips_file_start): Remove comment.
13666 (mips_current_loadgp_style): New function.
13667 (mips_gnu_local_gp): New variable.
13668 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13670 (mips_output_function_prologue): Use mips_current_laodgp_style.
13671 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13672 the cprestore instruction.
13673 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13674 live for TARGET_ABSOLUTE_ABICALLS.
13675 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13676 (ASM_SPEC): Pass down -mshared and -mno-shared.
13677 (MIPS_CALL): New macro.
13678 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13680 * doc/invoke.texi (-mabicalls): Update documentation.
13681 (-mshared): Document.
13683 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13685 * config/ia64/unwind-hpux.c: New file.
13686 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13688 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13691 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13693 2006-03-21 Jeff Law <law@redhat.com>
13695 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13696 type conversions of a VR_VARYING source to a wider type.
13698 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13700 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13701 tm_file on Solaris 10 and later.
13702 (sparc64-*-solaris2*): Likewise.
13703 (sparc-*-solaris2*): Likewise.
13704 * config/sol26.h: Rename to config/sol2-6.h.
13705 * config/sol2-10.h: New file.
13707 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13710 * tree-ssa-pre.c (create_component_ref_by_pieces):
13713 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13716 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13717 return it immediately.
13719 2006-03-21 Michael Matz <matz@suse.de>
13721 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13723 (remove_arc, add_arc): Update num_out_arcs member.
13724 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13726 (cache_presence): New function.
13727 (compare_states_for_equiv): New function.
13728 (state_is_differed): Don't take number of outargs, adjust callers.
13729 Use new invariant for speeding up.
13730 (init_equiv_class): Create initial classes based on sorted
13732 (partition_equiv_class): Don't track out_arcs_num.
13733 (evaluate_equiv_classes): Call cache_presence on all states and
13736 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13738 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13739 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13740 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13741 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13743 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13744 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13745 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13746 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13747 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13749 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13750 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13751 (REGNO_REG_CLASS): ARGP is in PREGS.
13752 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13754 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13755 to deal with those addresses.
13756 * addresses.h: New file.
13757 * caller-save.c: Include "addresses.h".
13758 (init_caller_save): Use new base_reg_class function.
13759 * rtl-factoring.c: Include "addresses.h".
13760 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13761 * recog.c: Include "addresses.h".
13762 (preprocess_constraints): Use new base_reg_class function.
13763 * regrename.c: Include "addresses.h".
13764 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13765 functions. Keep track of a new var INDEX_CODE to compute valid
13767 (replace_oldest_value_addr): Likewise.
13768 (replace_oldest_value_mem): Use base_reg_class.
13769 * reload.c: Include "addresses.h".
13770 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13771 (find_reloads): Use new base_reg_class function.
13772 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13773 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13774 all callers and prototype changed.
13775 * reload1.c: Include "addresses.h".
13776 (maybe_fix_stack_asms): Use base_reg_class.
13777 * regclass.c: Include "addresses.h".
13778 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13779 (init_reg_autoinc): Use new base_reg_class function.
13780 (record_reg_classes): Likewise.
13781 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13782 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13783 Use new args to compute necessary class.
13785 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13786 regrename.o, rtl-factoring.o): Update dependencies.
13787 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13788 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13789 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13790 REG_OK_FOR_INDEX_P): Delete documentation.
13792 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13794 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13795 from V7 to V9 for Solaris 7 and above.
13797 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13799 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13800 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13801 argument pointers may not alias any other storage.
13802 * common.opt: Define option -fargument-noalias-anything.
13803 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13804 alias semantics is specified by flag_argument_noalias > 2.
13806 2006-03-20 Jeff Law <law@redhat.com>
13808 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13809 (pass_phi_only_cprop): Declare.
13810 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13811 with phi_only_cprop
13812 * tree-ssa-dom.c (degenerate_phi_result): New function.
13813 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13814 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13815 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13816 (eliminate_degenerate_phis): Likewise.
13817 (pass_phi_only_cprop): New pass descriptor.
13818 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13819 support code. Callers updated.
13820 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13821 (store_copy_prop): Likewise.
13822 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13824 2006-03-20 Jason Merrill <jason@redhat.com>
13827 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13828 (push_visibility, pop_visibility): Likewise.
13829 * c-pragma.h: Declare them.
13831 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13833 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13835 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13836 parameter and use get_ebb_head_tail.
13837 (sh_md_init_global): Adjust uses of find_regmode_weight.
13839 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13841 * function.h (struct function) <x_tail_recursion_reentry>:
13842 Rename to x_stack_check_probe_note.
13843 (tail_recursion_reentry): Rename to stack_check_probe_note.
13844 * function.c: Replace tail_recursion_reentry with
13845 stack_check_probe_note everywhere.
13846 (expand_function_start): Only emit a note for
13847 stack_check_probe_note with -fstack-protect.
13848 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13850 * emit-rtl.c (remove_unnecessary_notes): Remove.
13851 (pass_remove_unnecessary_notes): Remove.
13852 * rtl.h (remove_unnecessary_notes): Remove prototype.
13853 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13854 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13855 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13857 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13860 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13861 (valid_in_set): Handle ARRAY_REF.
13862 Change "if min_variant or VH" to asserts.
13863 (create_component_ref_by_pieces): Handle ARRAY_REF.
13864 (create_expression_by_pieces): Likewise.
13865 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13867 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13869 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13870 is operand of switch, not str[0].
13872 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13874 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13875 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13877 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13879 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13880 end of insn_extra_address_constraint declaration.
13882 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13884 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13885 (no-sum-in-toc): Same.
13886 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13888 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13889 NO_FP_IN_TOC for -fPIC instead of mask.
13891 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13892 (BOOT_LDFLAGS): Delete.
13894 * config/rs6000/t-aix52: Same.
13896 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13897 (stmsi[345678]_power): New.
13899 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13901 * config/ia64/ia64.opt: Add empty line to end of file.
13903 2006-03-17 Richard Guenther <rguenther@suse.de>
13905 PR middle-end/26721
13906 * builtins.c (get_pointer_alignment): For component style references
13907 adjust alignment to the component type alignment. Make sure
13908 to adjust alignment for component access of constants.
13910 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13912 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13913 unconditional jump.
13915 2006-03-17 Paul Brook <paul@codesourcery.com>
13917 * doc/install.texi: Docuemnt --with-mode.
13918 * config.gcc: Add --with-mode for arm*-*-*.
13919 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13921 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13923 * sh.c (max_labelno_before_reorg): New variable.
13924 (sh_reorg): Initialize it.
13925 (find_barrier): Check max_labelno_before_reorg before using
13926 label_to_alignment. Take length of explicit alignment insns
13927 into account. When seeing a UNSPECV_CONST_END, return it.
13929 * sh.c (fixup_mova): Set mode of affected label to QImode.
13930 (untangle_mova): New function.
13931 (find_barrier): Use it. Check mode of label before decrementing
13933 (sh_reorg): Likewise.
13934 Set mode of all insns back to VOIDmode.
13936 * sh.c (MOVA_LABELREF): New macro.
13937 (mova_p, fixup_mova, sh_reorg): Use it.
13938 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13939 ADDR_DIFF_VEC matches mova.
13941 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13943 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13944 with ATTRIBUTE_UNUSED.
13946 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13948 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13949 pointer, instead of assuming it is possible to derive the
13950 correct args size from a call insn.
13952 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13954 * rtl.h (CONST_INT_P): Define.
13955 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13956 instead of GET_CODE(x) == CONST_INT.
13957 (vax_rtx_costs): Likewise.
13958 (vax_output_int_move): Likewise.
13959 (vax_output_int_add): Likewise.
13960 (legitimate_constant_address_p): Likewise.
13961 (index_term_p): Likewise.
13962 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13963 * config/vax/vax.md (and<mode>3): Likewise.
13964 (ashrsi3): Likewise.
13966 (movstricthi): Likewise.
13967 (movstrictqi): Likewise.
13968 (rotrsi3): Likewise.
13969 (five unnamed insns): Likewise.
13971 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13973 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13974 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13975 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13976 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13977 Pass to ASM_OUTPUT_DWARF_OFFSET.
13978 * dwarf2out.c (debug_frame_section): New.
13979 (output_call_frame_info): Use debug_frame_section. Pass it to
13980 dw2_asm_output_offset.
13981 (output_die): Pass appropriate section to dw2_asm_output_offset.
13982 (output_compilation_unit_header): Likewise.
13983 (output_pubnames): Likewise.
13984 (output_aranges): Likewise.
13985 (enum dw_val_class): Break dw_val_class_lbl_offset into
13986 dw_val_class_lineptr and dw_val_class_macptr.
13987 (add_AT_lbl_offset): Delete.
13988 (add_AT_lineptr): New.
13989 (add_AT_macptr): New.
13990 (AT_lbl): Expect a lineptr or macptr.
13991 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13992 (attr_checksum): Likewise.
13993 (same_dw_val_p): Likewise.
13994 (size_of_die): Likewise.
13995 (value_format): Likewise.
13996 (output_die): Likewise.
13997 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13999 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14000 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14001 * config/darwin-protos.h (darwin_file_start): New.
14002 (darwin_asm_output_dwarf_offset): New.
14003 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14004 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14006 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14007 if not EH section; simplify.
14008 (darwin_file_start): New.
14009 (darwin_asm_output_dwarf_offset): New.
14010 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14012 (DEBUG_INFO_SECTION): Likewise.
14013 (DEBUG_ABBREV_SECTION): Likewise.
14014 (DEBUG_ARANGES_SECTION): Likewise.
14015 (DEBUG_MACINFO_SECTION): Likewise.
14016 (DEBUG_LINE_SECTION): Likewise.
14017 (DEBUG_LOC_SECTION): Likewise.
14018 (DEBUG_PUBNAMES_SECTION): Likewise.
14019 (DEBUG_STR_SECTION): Likewise.
14020 (DEBUG_RANGES_SECTION): Likewise.
14021 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14022 (ASM_OUTPUT_DWARF_OFFSET): New.
14024 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14026 * config.gcc (tm_defines): Always add to previous value rather
14029 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14031 * config/mips/predicates.md (splittable_const_int_operand): New,
14032 split from move_operand.
14033 (splittable_symbolic_operand): New.
14034 (move_operand): Add commentary. Use splittable_const_int_operand.
14035 Inline mips_atomic_symbolic_constant_p.
14036 * config/mips/mips.md: Add combine splitters for handling moves
14037 of splittable_const_int_operands and splittable_symbolic_operands.
14038 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14039 (mips_split_symbol): Declare.
14040 (mips_move_integer): Declare.
14041 * config/mips/mips.c (mips_split_p): Make global.
14042 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14043 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14044 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14045 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14046 (mips_offset_within_object_p): Handle block symbols.
14047 (mips_atomic_symbolic_constant_p): Delete.
14048 (mips_cannot_force_const_mem): Return false for constants that
14049 mips_legitimize_move can handle.
14050 (mips_use_blocks_for_constant_p): New function.
14051 (mips_split_symbol): Make global.
14052 (mips_move_integer): Likewise. Add a temporary register argument.
14053 (mips_legitimize_const_move): Use splittable_const_int_operand and
14054 splittable_symbolic_operand.
14055 (mips_use_anchors_for_symbol_p): New function.
14056 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14057 (mips_split_p): Declare.
14059 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14061 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14062 (mips*-*-linux*): Likewise.
14064 2006-03-16 Roger Sayle <roger@eyesopen.com>
14065 Daniel Speyer <dspeyer@wam.umd.edu>
14067 PR middle-end/18259
14068 * tree-dump.c (dump_real): New function.
14069 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14070 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14071 (tree-dump.o): Add $(REAL_H) to the dependencies.
14073 2006-03-16 Roger Sayle <roger@eyesopen.com>
14075 PR middle-end/21781
14076 * real.c (real_from_string): If the mantissa is zero, don't bother
14077 parsing the exponent as the result should always be zero.
14079 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14081 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14083 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14085 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14086 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14087 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14088 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14089 ia64_sched_finish_global): New static functions to implement
14090 hooks from gcc_target.sched.
14091 (spec_check_no, max_uid, pending_data_specs): New static variables.
14092 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14093 ia64_spec_check_src_p): New static functions.
14094 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14095 (TARGET_SCHED_ADJUST_COST): Removed.
14096 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14097 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14098 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14099 TARGET_SCHED_GEN_CHECK,
14100 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14101 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14102 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14103 Fixed to handle speculation checks.
14104 (rtx_needs_barrier): Fixed to handle speculative loads and
14106 (ia64_variable_issue): Added code to count speculative loads and their
14108 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14110 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14112 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14114 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14115 (ia64_reorg): Reset stops_p to NULL after it is freed.
14116 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14117 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14118 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14120 (data_speculative, control_speculative, check_load): New attributes.
14121 (mov<mode>_advanced, mov<mode>_speculative,
14122 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14123 zero_extend<mode>di2_speculative,
14124 zero_extend<mode>di2_speculative_advanced): New patterns for
14125 data and control speculative loads.
14126 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14128 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14129 New pattern for data and control speculation checks.
14130 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14131 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14132 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14133 Auxiliary definitions for the patterns.
14134 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14135 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14137 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14139 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14140 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14141 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14142 New resource constraints.
14143 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14145 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14146 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14147 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14148 msched-in-control-spec, msched-ldc, msched-control-ldc,
14149 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14150 msched-prefer-non-control-spec-insns,
14151 msched-count-spec-in-critical-path): New flags to tune speculative
14153 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14154 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14155 msched-in-control-spec, msched-ldc, msched-control-ldc,
14156 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14157 msched-prefer-non-control-spec-insns,
14158 msched-count-spec-in-critical-path): Document new flags.
14160 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14162 * target.h (struct spec_info_def): New opaque declaration.
14163 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14164 speculate_insn, needs_block_p, gen_check,
14165 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14166 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14167 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14168 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14169 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14170 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14172 (TARGET_SCHED): Use new macros.
14173 * rtl.h (copy_DEPS_LIST_list): New prototype.
14174 * sched-int.h (struct sched_info): Change signature of new_ready field,
14175 adjust all initializations. New fields: add_remove_insn,
14176 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14177 region_head_or_leaf_p.
14178 (struct spec_info_def): New structure declaration.
14179 (spec_info_t): New typedef.
14180 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14181 recovery_block, orig_pat.
14182 (glat_start, glat_end): New variables declaraions.
14183 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14185 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14186 DETACH_LIFE_INFO, USE_GLAT.
14187 (enum SPEC_SCHED_FLAGS): New enumeration.
14188 (NOTE_NOTE_BB_P): New macro.
14189 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14190 attach_life_info, debug_spec_status, check_reg_live): New functions.
14191 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14192 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14194 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14195 * ddg.c (get_block_head_tail): Adjust all uses.
14196 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14197 (sms_sched_info): Initialize new fields.
14198 (contributes_to_priority): Removed.
14199 * haifa-sched.c (params.h): New include.
14200 (get_block_head_tail): Adjust all uses.
14201 (ISSUE_POINTS): New macro.
14202 (glat_start, glat_end): New global variables.
14203 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14204 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14205 old_last_basic_block, before_recovery, current_sched_info_var,
14206 rgn_n_insns, luid): New static variables.
14207 (insn_cost1): New function. Move logic from insn_cost to here.
14208 (find_insn_reg_weight1): New function. Move logic from
14209 find_insn_reg_weight to here.
14210 (reemit_notes, move_insn, max_issue): Change signature.
14211 (move_insn1): Removed.
14212 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14213 extend_bb): New static functions to support extension of scheduler's
14215 (generate_recovery_code, process_insn_depend_be_in_spec,
14216 begin_speculative_block, add_to_speculative_block,
14217 init_before_recovery, create_recovery_block, create_check_block_twin,
14218 fix_recovery_deps): New static functions to support
14219 generation of recovery code.
14220 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14221 restore_bb_notes, move_block_after_check, move_succs): New static
14222 functions to support ebb scheduling.
14223 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14224 functions to support handling of register live information.
14225 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14226 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14227 add_jump_dependencies): New static functions.
14228 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14229 consistancy checking.
14230 (debug_spec_status): New function to call from debugger.
14231 (priority): Added code to handle speculation checks.
14232 (rank_for_schedule): Added code to distinguish speculative instructions.
14233 (schedule_insn): Added code to handle speculation checks.
14234 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14235 Fixed to handle ebbs.
14236 (move_insn): Added code to handle ebb scheduling.
14237 (max_issue): Added code to use ISSUE_POINTS of instructions.
14238 (choose_ready): Added code to choose between speculative and
14239 non-speculative instructions.
14240 (schedule_block): Added code to handle ebb scheduling and scheduling of
14241 speculative instructions.
14242 (sched_init): Initialize new variables.
14243 (sched_finish): Free new variables. Print statistics.
14244 (try_ready): Added code to handle speculative instructions.
14245 * lists.c (copy_DEPS_LIST_list): New function.
14246 * sched-deps.c (extend_dependency_caches): New function. Move logic
14247 from create_dependency_caches to here.
14248 (get_dep_weak, ds_merge): Make global.
14249 * genattr.c (main): Code to output prototype for
14250 dfa_clear_single_insn_cache.
14251 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14252 (output_dfa_clean_insn_cache_func): Code to output
14253 dfa_clear_single_insn_cache function.
14254 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14256 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14258 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14259 New static variables.
14260 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14261 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14263 (ebb_sched_info): Initialize new fields.
14264 (get_block_head_tail): Adjust all uses.
14265 (compute_jump_reg_dependencies): Fixed to use glat_start.
14266 (schedule_ebb): Code to remove unreachable last block.
14267 (schedule_ebbs): Added code to update register live information.
14268 * sched-rgn.c (region_sched_info): Initialize new fields.
14269 (get_block_head_tail): Adjust all uses.
14270 (last_was_jump): Removed. Adjust users.
14271 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14272 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14273 Implement new hooks.
14274 (check_dead_notes1): New static function.
14275 (struct region): New fields: dont_calc_deps, has_real_ebb.
14276 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14277 (BB_TO_BLOCK): Fixed to handle EBBs.
14278 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14279 (ebb_head): New static variable.
14280 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14281 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14283 (compute_dom_prob_ps): New assertion.
14284 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14285 global_live_at_start.
14286 (init_ready_list): New assertions.
14287 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14288 (new_ready): Add support for BEGIN_CONTROL speculation.
14289 (schedule_insns): Fixed code that updates register live information
14291 (schedule_region): Fixed to handle EBBs.
14292 (init_regions): Use extend_regions and check_dead_notes1.
14293 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14294 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14295 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14296 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14297 TARGET_SCHED_GEN_CHECK,
14298 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14299 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14300 * doc/invoke.texi (max-sched-insn-conflict-delay,
14301 sched-spec-prob-cutoff): Document.
14303 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14305 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14306 inter_tick, queue_index.
14307 (struct sched_info): Change signature of init_ready_list field.
14308 Adjust all initializations.
14309 (RESOLVED_DEPS): New access macro.
14310 (ready_add): Remove prototype.
14311 (try_ready): Add prototype.
14312 * sched-rgn.c (init_ready_list): Use try_ready.
14313 (schedule_region): Initialize
14314 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14315 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14316 (init_ready_list): Use try_ready.
14317 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14318 * lists.c (remove_list_elem): Remove `static'.
14319 (remove_free_INSN_LIST_elem): New function.
14320 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14321 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14322 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14324 (readyp): New variable.
14325 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14326 change_queue_index, resolve_dep): New static functions.
14327 (try_ready): New function. Adjust callers in sched-rgn.c and
14328 sched-ebb.c to use it instead of ready_add.
14329 (clock_var): Move at the begining of file.
14330 (rank_for_schedule): Fix typo.
14331 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14332 (ready_lastpos): Enforce assertion.
14333 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14334 update all callers.
14335 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14336 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14337 (queue_to_ready): Use free_INSN_LIST_list.
14338 (early_queue_to_ready): Fix typo.
14339 (schedule_block): Init readyp. Move init_ready_list call after the
14340 initialization of clock_var. Fix error in rejecting insn by
14341 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14342 that previously corrected INSN_TICKs. Add code for handling
14344 (set_priorities): Fix typo.
14345 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14346 Clarify comment and code that keeps current_sched_info->next_tail
14349 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14351 * sched-rgn.c (extend_rgns): New static function.
14352 (find_rgns): Use it.
14353 (gather_region_statistics, print_region_statistics): New static
14355 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14356 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14358 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14359 Andrey Belevantsev <abel@ispras.ru>
14361 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14362 * lists.c (unused_deps_list): New variable.
14363 (free_list): Add assertions to verify the proper distinguishing
14364 between INSN_LISTs and DEPS_LISTs.
14365 (find_list_elem, remove_list_elem, remove_list_node): New static
14367 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14368 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14369 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14370 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14372 (free_INSN_LIST_node): Likewise.
14373 * modulo-sched.c (current_sched_info): Initialize flags field.
14374 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14375 * rtl.def (DEPS_LIST): Define.
14376 * rtl.h: Declare new functions from lists.c.
14377 * sched-deps.c (spec_dependency_cache): New static variable.
14378 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14379 (add_dependence): Change return type to void. Move the logic to ...
14380 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14381 (delete_all_dependences): Add comment about forward_dependency_cache.
14382 Handle spec_dependency_cache. Handle DEPS_LISTs.
14383 (fixup_sched_groups): Clarify the change of priority of output
14384 and anti dependencies.
14385 (sched_analyze_2): Adjust add_dependence calls to create data
14386 speculative dependence.
14387 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14388 Adjust all callers. Handle DEPS_LISTS.
14389 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14390 presence of speculation.
14391 (init_dependency_caches, free_dependency_caches):
14392 Handle spec_dependency_cache.
14393 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14394 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14395 New static functions.
14396 (add_or_update_back_dep, add_or_update_back_forw_dep,
14397 add_back_forw_dep, delete_back_forw_dep): New functions.
14398 * sched-int.h (ds_t, dw_t): New typedefs.
14399 (struct sched_info): Add new field flags.
14400 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14401 Prototype new sched-deps.c functions.
14402 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14403 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14404 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14405 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14406 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14407 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14409 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14411 * sched-rgn.c (current_sched_info): Initialize flags field.
14412 (schedule_insns): Initialize current_sched_info before the sched_init
14414 * sched-ebb.c (current_sched_info): Initialize flags field.
14415 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14416 Call add_or_update_back_dep instead of add_dependence.
14417 Create control speculative dependencies.
14418 (schedule_insns): Initialize current_sched_info before the sched_init
14421 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14423 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14425 (sh_fallback_frame_state): Likewise.
14427 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14429 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14430 Do switch on default_use_cxa_atexit.
14431 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14432 * config/darwin-crt3.o: New.
14433 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14434 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14435 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14437 * config/rs6000/t-darwin: Move crt2.o building to here.
14438 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14439 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14442 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14444 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14445 from '! xxx' to '!xxx' for coding-style conformance.
14446 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14447 (EXTRA_CONSTRAINT): Likewise.
14448 * config/vax/vax.md (four unnamed insns): Likewise.
14450 2006-03-15 Paul Brook <paul@codesourcery.com>
14452 * config/arm/arm.c (minipool_pad): New.
14453 (add_minipool_forward_ref): Include pool alignment padding in address
14455 (push_minipool_fix): Set minipool_pad.
14456 (minipool_pad): Ditto.
14458 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14460 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14461 instead of GET_CODE() == MEM and REG_P() instead of
14463 (print_operand_address): Likewise.
14464 (vax_address_cost): Likewise.
14465 (vax_rtx_costs): Likewise.
14466 (vax_notice_update_cc): Likewise.
14467 (vax_output_int_add): Likewise.
14468 (INDEX_REGISTER_P): Likewise.
14469 (BASE_REGISTER_P): Likewise.
14470 (nonindexed_address_p): Likewise.
14471 (vax_mode_dependent_address_p): Likewise.
14472 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14473 (PRINT_OPERAND): Likewise.
14474 * config/vax/vax.md (ashlsi3): Likewise.
14475 (ashlsi3): Likewise.
14476 (some more unnamed insns): Likewise.
14478 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14480 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14481 iterator-style macro.
14482 (mark_control_dependent_edges_necessary): Update the use of
14483 EXECUTE_IF_CONTROL_DEPENDENT.
14485 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14487 * config/sh/predicates.md (cache_address_operand): Special.
14488 (ua_address_operand): Likewise.
14490 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14492 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14494 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14496 2006-03-15 Andreas Schwab <schwab@suse.de>
14498 * gensupport.c (identify_predicable_attribute): Don't free p_false
14499 when it is still in use.
14501 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14503 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14504 the default setting here.
14506 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14508 * tree-pass.h (pass_cfg): Remove.
14509 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14510 * passes.c (pass_cfg): Don't run it.
14512 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14514 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14515 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14517 (stack_regs_mentioned): Update the uses of
14518 stack_regs_mentioned_data. Don't access the array beyond its
14520 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14521 Don't include gt-reg-stack.h.
14523 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14524 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14526 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14528 PR middle-end/26684
14529 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14532 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14534 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14536 2006-03-14 Richard Guenther <rguenther@suse.de>
14538 PR tree-optimization/26672
14539 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14542 2006-03-14 Richard Guenther <rguenther@suse.de>
14544 PR tree-optimization/26667
14545 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14546 node for the callees. Always allow inlining if it will shrink
14549 2006-03-14 Richard Guenther <rguenther@suse.de>
14551 PR middle-end/26659
14552 * builtins.c (get_pointer_alignment): Prefer alignment
14553 information from decls over that from types.
14555 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14558 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14560 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14562 * config/rs6000/rs6000.opt (mdlmzb): New option.
14563 (msched-prolog, msched-epilog): Use Var not Mask.
14564 * doc/invoke.texi (-mdlmzb): Document.
14565 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14567 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14568 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14570 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14572 PR rtl-optimization/25739
14573 * bt-load.c (augment_live_range): Free tos pointer.
14575 * gensupport.c (identify_predicable_attribute): Free
14577 * gcov.c (create_file_names): Free name pointer.
14579 2006-03-13 Roger Sayle <roger@eyesopen.com>
14581 PR middle-end/26557
14582 * stmt.c (emit_case_nodes): Handle the case where the index is a
14583 CONST_INT, where the comparison mode is specified by the index type.
14585 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14587 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14590 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14592 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14593 (*branch_fp_inverted): Likewise.
14595 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14597 PR middle-end/25989
14598 * omp-low.c (expand_omp_for_generic): Mark istart0
14599 and iend0 as addressable.
14601 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14603 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14605 2006-03-13 Jeff Law <law@redhat.com>
14607 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14608 virtual operands are interesting.
14609 (vrp_visit_stmt): Corresponding changes.
14611 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14613 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14615 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14616 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14617 * config/bfin/crti.S: Use it instead of __PIC__.
14618 * config/bfin/crtn.S: Likewise.
14620 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14621 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14623 Lose 'G' modifier for call operand.
14624 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14625 recognize 'G' modifier.
14627 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14629 PR middle-end/18859
14630 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14631 * stmt.c (expand_case): Likewise.
14633 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14635 PR rtl-optimization/26254
14636 * loop-invariant.c (seq_insns_valid_p): New function.
14637 (move_invariant_reg): Only emit new code if it is valid.
14639 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14641 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14643 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14644 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14645 (commit_one_edge_insertion): Do not look for loop notes.
14647 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14649 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14650 flag_test_coverage out of loop.
14652 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14654 * final.c (shorten_branches): Remove outdated comment, and turn
14655 the if branch that guards it to continue.
14657 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14659 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14660 * cfgloop.h (struct loop): Remove unused fields.
14662 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14664 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14665 (-dL, -fdump-rtl-loop2): Update the dump file names
14667 * doc/invoke.texi: Update dump file names.
14669 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14671 * predict.c (estimate_probability): Remove.
14672 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14673 * basic-block.h (estimate_probability): Remove prototype.
14674 * passes.c (finish_optimization_passes): Dump branch prediction or
14675 profiling heuristics to the .profile tree dump.
14676 (init_optimization_passes): Unqueue pass_branch_prob.
14678 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14680 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14682 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14683 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14685 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14687 * function.h (frame_offset_overflow): Declare.
14688 * function.c (frame_offset_overflow): New function.
14689 (assign_stack_local_1): Call it to detect that the offset overflows.
14690 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14692 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14694 * config/sh/sh.c: Include alloc-pool.h.
14695 (label_ref_list_pool): New alloc pool.
14696 (label_ref_list_t): New type for lists of labels.
14697 (struct pool_node): Make wend a label_ref_list_t.
14698 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14700 (dump_table): Likewise.
14701 (sh_reorg): Set up the alloc pool before using add_constant and
14702 dump_table, and destroy it when finishing.
14704 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14706 * config/mips/mips.c: Remove redundant comment.
14708 2006-03-10 Jason Merrill <jason@redhat.com>
14711 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14712 the target was declared 'register'.
14714 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14716 * genpreds.c (write_insn_constraint_len): Change definition of
14717 insn_constraint_len to return size_t to match the declaration.
14719 2006-03-10 DJ Delorie <dj@redhat.com>
14721 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14723 (m32c_expand_insv): Fix test for an AND mask.
14725 2006-03-10 Richard Guenther <rguenther@suse.de>
14727 PR middle-end/26565
14728 * builtins.c (get_pointer_alignment): Handle component
14729 references for field alignment.
14731 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14733 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14734 when building with libgloss.
14735 (sh*elf): Implement --without-fp option.
14736 (sh64-superh-linux*): Don't multilib.
14738 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14740 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14742 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14744 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14745 Set it when one of the replacement functions returned true.
14746 Return TODO_cleanup_cfg if cfgchanged is true.
14747 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14749 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14751 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14752 instead of gen_lowpart.
14754 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14756 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14758 (mips_output_order_conditional_branch): Declare.
14759 * config/mips/mips.h (MIPS_BRANCH): New macro.
14760 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14761 for the comparison. Use gen_condjump.
14762 (mips_output_conditional_branch): Rework interface to take the
14763 asm templates for a direct branch and the inverse of a direct branch.
14764 (mips_output_order_conditional_branch): New function.
14765 (mips_builtin_branch_and_move): New function.
14766 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14767 branch condition. Use gen_single_cc as the condition for
14768 __builtin_mips_upper_* or __builtin_mips_lower_*.
14769 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14770 Use VOIDmode for the branch condition.
14771 * config/mips/predicates.md (order_operator): New predicate.
14772 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14773 (branch_fp): Rename to...
14774 (*branch_fp): ...this. Remove mode from comparison operator.
14775 Use new mips_output_conditional_branch interface.
14776 (branch_fp_inverted): Rename to...
14777 (*branch_fp_inverted): ...this and update as for *branch_fp.
14778 (*branch_zero<mode>): Rename to...
14779 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14780 Use mips_output_order_conditional_branch. Only accept ordered
14782 (*branch_zero<mode>_inverted): Rename to...
14783 (*branch_order<mode>_inverted): ...this and update as for
14784 *branch_order<mode>.
14785 (*branch_equality<mode>): Accept zero as the second operand to
14786 the equality operator. Use the new mips_output_conditional_branch
14788 (*branch_equality<mode>_inverted): Likewise.
14789 (condjump): New expander.
14790 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14792 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14793 (bc1any2t, bc1any2f): Likewise.
14794 (single_cc): New expander.
14795 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14797 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14799 * doc/md.texi: Update documentation of MIPS constraints.
14800 * config/mips/constraints.md: New file.
14801 * config/mips/mips.md: Include it.
14802 * config/mips/mips.c (mips_char_to_class): Delete.
14803 (override_options): Don't initialize mips_char_to_class.
14804 * config/mips/mips.h (mips_char_to_class): Delete.
14805 (REG_CLASS_FROM_LETTER): Delete.
14806 (CONST_OK_FOR_LETTER_P): Delete.
14807 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14808 (EXTRA_CONSTRAINT_Y): Delete.
14809 (EXTRA_CONSTRAINT_STR): Delete.
14810 (CONSTRAINT_LEN): Delete.
14811 (EXTRA_MEMORY_CONSTRAINT): Delete.
14813 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14815 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14816 original fn's eh regions.
14818 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14820 * fold-const.c (build_range_check): Make sure to use a valid type to
14821 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14824 (range_predecessor): New static function.
14825 (range_successor): Likewise.
14826 (merge_ranges): Use them to compute predecessors and successors of
14829 2006-03-09 Roger Sayle <roger@eyesopen.com>
14831 PR middle-end/26561
14832 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14833 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14835 2006-03-08 DJ Delorie <dj@redhat.com>
14837 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14838 (addpsi3): Expand to include memory operands. Remove
14839 reload-specific splits.
14840 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14841 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14842 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14843 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14844 (shift1_qi, shift1_hi, insv): New.
14845 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14846 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14847 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14849 * config/m32c/m32c-protos.h: Update as needed.
14850 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14851 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14852 Fail for unrecognized R* constraints.
14853 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14854 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14855 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14857 (m32c_init_libfuncs): New.
14858 (m32c_legitimate_address_p): Add debug wrapper.
14859 (m32c_rtx_costs): New.
14860 (m32c_address_cost): New.
14861 (conversions): Add 'B' prefix.
14862 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14863 operands, or word regnames for QI operands. 'B' prints bit
14865 (m32c_expand_setmemhi): New.
14866 (m32c_expand_movmemhi): New.
14867 (m32c_expand_movstr): New.
14868 (m32c_expand_cmpstr): New.
14869 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14870 (m32c_expand_neg_mulpsi3): Handle non-ints.
14871 (m32c_cmp_flg_0): New.
14872 (m32c_expand_movcc): New.
14873 (m32c_expand_insv): New.
14874 (m32c_scc_pattern): New.
14875 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14876 a0/a1 out of SIregs.
14877 (STORE_FLAG_VALUE): New.
14878 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14881 * config/m32c/mov.md: Make constraints more liberal.
14882 (zero_extendqihi2): Optimize r0/r1 case.
14883 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14884 * config/m32c/predicates.md (m32c_any_operand): New.
14885 (m32c_nonimmediate_operand): New.
14886 (m32c_hl_operand): New.
14887 (m32c_r3_operand): New.
14890 (memsym_operand): New.
14891 (memimmed_operand): New.
14892 (a_qi_operand): New.
14893 (m32c_eqne_operator): New.
14894 (m32c_1bit8_operand): New.
14895 (m32c_1bit16_operand): New.
14896 (m32c_1mask8_operand): New.
14897 (m32c_1mask16_operand): New.
14898 * config/m32c/blkmov.md: New file.
14899 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14901 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14903 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14904 unsigned to fix signed/unsigned comparison issue in
14905 DWARF2_FRAME_REG_OUT.
14906 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14907 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14909 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14910 of ptr into the ENABLE_CHECKING section.
14912 2006-03-08 Jeff Law <law@redhat.com>
14914 * tree-vrp.c (infer_value_range): Only count pointer uses
14915 and dereferences if -fdelete-null-pointer-checks is enabled.
14917 * tree-vrp.c (find_assert_locations): Infer value ranges for
14918 single use pointers, but do not create ASSERT_EXPRs for them.
14919 When a non-null range is inferred for a pointer, backwards
14920 propagate that range to other equivalent pointers through the
14923 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14926 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14927 language hook targets.
14928 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14929 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14930 if language hook targets were missing.
14932 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14934 * tree-ssa-opfinalize.h: Removed.
14935 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14937 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14938 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14939 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14940 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14941 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14942 finalize_ssa_v_must_def_ops): New.
14944 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14946 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14947 block as parameter.
14949 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14951 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14953 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14954 addresses with offsets; reorganize.
14956 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14957 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14958 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14960 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14963 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14965 2006-03-08 Ben Elliston <bje@au.ibm.com>
14967 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14969 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14972 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14975 2006-03-07 Richard Guenther <rguenther@suse.de>
14977 PR tree-optimization/26587
14978 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14980 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14982 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14984 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14986 * hooks.c (hook_bool_mode_rtx_true): New function.
14987 * hooks.h (hook_bool_mode_rtx_true): Declare.
14988 * toplev.c (compile_file): Call output_shared_constant_pool.
14989 * varasm.c (shared_constant_pool): New variable.
14990 (assemble_start_function, assemble_end_function): Remove arguments
14991 from call to output_constant_pool.
14992 (create_constant_pool): New function, split out from...
14993 (init_varasm_status): ...here.
14994 (force_const_mem): Choose between the shared and per-function constant
14995 pools. Set current_function_uses_const_pool when reusing old entries
14996 as well as when creating new ones.
14997 (mark_constant): Ignore data argument.
14998 (mark_constants): Remove pool argument.
14999 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15000 to decide whether the function uses a constant pool.
15001 (output_constant_pool_contents): New function, split out from...
15002 (output_constant_pool): ...here.
15003 (output_shared_constant_pool): New function.
15004 (init_varasm_once): Initialize shared_constant_pool.
15005 * output.h (output_constant_pool): Delete.
15006 (output_shared_constant_pool): Declare.
15007 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15008 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15010 2006-03-06 Nick Clifton <nickc@redhat.com>
15012 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15013 flag_strength_reduce.
15015 2006-03-06 Ben Elliston <bje@au.ibm.com>
15017 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15018 x86_64-*-linux* configurations.
15020 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15021 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15023 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15025 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15027 * basic-block.h: Remove the extern for
15028 rediscover_loops_after_threading.
15030 * cfgloop.c (cancel_loop): Make it static.
15031 * cfgloop.h: Remove the prototype for cancel_loop.
15033 * flow.c (recompute_reg_usage): Make it static.
15034 * rtl.h: Remove the prototype for recompute_reg_usage.
15036 * function.c (use_return_register): Make it static.
15037 * function.h: Remove the prototype.
15039 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15041 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15043 * recog.h: Remove the prototype for
15044 validate_change_maybe_volatile.
15046 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15048 * rtlanal.c (replace_reg): Remove.
15049 * rtl.h: Remove the prototype for replace_reg.
15051 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15053 * regclass.c (reg_scan_update): Remove.
15054 (reg_scan_mark_refs): Remove the last argument.
15055 * rtl.h: Remove the prototype for reg_scan_update.
15057 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15059 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15060 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15061 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15062 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15063 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15064 loop-invariant.c, omp-low.c, opts.c, passes.c,
15065 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15066 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15067 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15068 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15069 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15070 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15072 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15074 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15075 * dwarf2out.h: Remove the prototype for
15076 dwarf2out_add_library_unit_info.
15078 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15080 * tree.c (add_var_to_bind_expr): Remove.
15081 * tree.h: Remove the prototype for add_var_to_bind_expr.
15083 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15085 * regclass.c (n_non_fixed_regs): Remove.
15086 (init_reg_sets_1, globalize_reg): Remove all uses of
15088 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15090 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15092 * rtlanal.c (insns_safe_to_move_p): Remove.
15093 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15095 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15097 * expmed.c (expand_mult_add): Remove.
15098 * expr.h: Remove the prototype for expand_mult_add.
15100 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15102 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15103 and REG_SAVED_VAL_EXP constants.
15104 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15105 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15106 Handle regs stored by value.
15107 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15108 (execute_cfa_program): Handle DW_CFA_val_offset,
15109 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15110 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15111 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15112 (uw_install_context_1): Handle target regs stored by value.
15114 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15116 * tree-sra.c (tree_sra): Return todoflags;
15117 (generate_one_element): Set TODO_update_smt_usage if needed.
15118 (pass_sra): Remove TODO_update_smt_usage.
15119 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15121 (tree_ssa_forward_propagate_single_use_vars): Return
15122 TODO_update_smt_usage if we need to update SMT usage.
15123 (pass_forwprop): Remove TODO_update_smt_usage.
15125 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15127 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15128 (correct_use_link): Remove reference to get_stmt_operands.
15129 (update_stmt_operands): Likewise.
15130 (get_modify_expr_operands): New function factored out of
15131 parse_ssa_operands and get_expr_operands.
15132 Try to create V_MUST_DEFs for LHS by default.
15133 (get_expr_operands) <case MODIFY_EXPR>: Call
15134 get_modify_expr_operands.
15135 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15136 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15137 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15138 get_modify_expr_operands.
15140 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15142 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15143 * tree-flow.h: Remove the prototype for
15144 referenced_var_lookup_if_exists.
15146 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15148 PR rtl-optimization/26345
15150 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15152 2006-03-03 Roger Sayle <roger@eyesopen.com>
15154 PR tree-optimization/26524
15155 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15156 fold_convert to create a constant of the appropriate type.
15158 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15160 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15161 SYMBOL_REF_IN_BLOCK_P.
15162 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15163 of SYMBOL_FLAG_IN_BLOCK.
15164 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15165 instead of SYMBOL_REF_IN_BLOCK_P.
15166 * explow.c (use_anchored_address): Likewise.
15167 * rtl.c (rtx_size): Likewise.
15168 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15169 instead of SYMBOL_FLAG_IN_BLOCK.
15170 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15171 SYMBOL_REF_IN_BLOCK_P.
15172 (assemble_variable): Likewise.
15173 (output_constant_def_contents): Likewise.
15174 (output_constant_pool): Likewise.
15175 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15176 instead of SYMBOL_FLAG_IN_BLOCK.
15177 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15178 SYMBOL_REF_IN_BLOCK_P.
15179 (SYMBOL_REF_BLOCK): Likewise.
15180 (SYMBOL_REF_OFFSET): Likewise.
15181 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15182 SYMBOL_REF_IN_BLOCK_P.
15183 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15184 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15185 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15186 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15188 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15190 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15192 2006-03-02 Roger Sayle <roger@eyesopen.com>
15194 * simplify-rtx.c (simplify_unary_operation): When simplifying
15195 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15196 that we perform the right shift in the appropriate mode, and
15197 then extend or truncate the result to requested mode.
15199 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15201 * gengtype.c (main): Handle double_int type.
15202 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15203 * double-int.c: New file.
15204 * double-int.h: New file.
15205 * system.h: Include doubleint.h.
15206 * Makefile.in (SYSTEM_H): Include double-int.h.
15207 (double-int.o): Add.
15209 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15212 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15215 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15217 * tree-vrp.c (remove_range_assertions): Do not update statements
15220 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15222 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15224 * gcse.c (rest_of_handle_gcse): Ditto.
15225 * except.c (gate_handle_eh): Ditto.
15226 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15227 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15229 2006-03-02 Eric Christopher <echristo@apple.com>
15231 * config/i386/i386.c (machopic_output_stub): Add indirection to
15234 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15238 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15240 Sun Niagara specific optimizations.
15241 * config.gcc: Recognize niagara as target.
15242 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15243 (TARGET_CPU_niagara): Define.
15244 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15245 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15246 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15247 (ASM_CPU_SPEC): Likewise.
15248 (PROCESSOR_NIAGARA): New enum entry.
15249 (REGISTER_MOVE_COST): Handle Niagara.
15250 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15251 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15252 (sparc_override_options): Recognize "niagara", set appropriate
15253 default MASK_* values for it, and align functions to 32-bytes
15254 by default just like ULTRASPARC/ULTRASPARC3.
15255 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15256 (sparc64_initialize_trampoline): Likewise.
15257 (sparc_use_sched_lookahead): Use zero for niagara.
15258 (sparc_issue_rate): Use one for niagara.
15259 * config/sparc/niagara.md: New file.
15260 * config/sparc/sparc.md: Include it.
15261 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15262 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15263 when default cpu is niagara.
15264 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15265 (ASM_CPU_SPEC): Likewise.
15266 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15267 when default cpu is niagara.
15268 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15269 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15270 just like v9/ultrasparc/ultrasparc3.
15271 * doc/invoke.texi: Add documentation for "niagara" and improve
15272 existing documentation for ultrasparc variants.
15274 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15276 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15278 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15280 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15281 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15282 and say that only one is needed.
15283 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15284 * target.h (have_switchable_bss_sections): New hook.
15285 * explow.c (use_anchored_address): Check that the symbol is in a block.
15286 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15287 (bss_noswitch_section): New variables.
15288 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15289 (get_noswitch_section): New function.
15290 (get_block_for_section): Allow SECT to be null.
15291 (unlikely_text_section_p): Use SECTION_STYLE.
15292 (bss_initializer_p): New function.
15293 (get_variable_section): Move earlier in file. Take a new argument,
15294 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15295 Return one of the new *_sections in such cases.
15296 (get_block_for_decl): New function, extracting some logic from
15297 use_blocks_for_decl_p.
15298 (change_symbol_section): Remove in favor of...
15299 (change_symbol_block): ...this new function.
15300 (use_blocks_for_decl_p): Remove checks now performed by
15301 get_block_for_decl.
15302 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15303 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15304 (emit_local, emit_bss, emit_common): ...these new functions.
15305 Return true if the alignment was honored.
15306 (emit_tls_common): New function.
15307 (asm_emit_uninitialised): Delete.
15308 (assemble_variable_noswitch): New function, split out from...
15309 (assemble_variable): ...here. Don't make decisions about common
15310 variables here. Globalize all public decls that go into non-common
15311 sections. Check whether SYMBOL_REF_BLOCK is null.
15312 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15313 (output_constant_pool): Likewise.
15314 (init_varasm_once): Initialize the new section variables.
15315 (have_global_bss_p): New function.
15316 (categorize_decl_for_section): Use bss_initializer_p.
15317 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15318 (place_block_symbol): Assert that the symbol must be in a block.
15319 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15320 (TARGET_INITIALIZER): Include it.
15321 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15322 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15323 (SECTION_MACH_DEP): Bump by two.
15324 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15325 (unnamed_section): Mention SECTION_UNNAMED in comment.
15326 (named_section): Likewise SECTION_NAMED.
15327 (noswitch_section_callback): New type.
15328 (noswitch_section): New structure.
15329 (section): Add a noswitch_section alternative.
15330 (SECTION_STYLE): New macro.
15331 (tls_comm_section, comm_section, lcomm_section): Declare.
15332 (bss_noswitch_section, have_global_bss_p): Declare.
15333 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15334 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15336 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15337 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15340 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15342 * tree-vrp.c (execute_vrp): Return value.
15343 * regrename.c (rest_of_handle_regrename): Ditto.
15344 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15345 * tree-complex.c (tree_lower_complex): Ditto.
15346 (tree_lower_complex_O0): Ditto.
15347 * tracer.c (rest_of_handle_tracer): Ditto.
15348 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15349 * postreload.c (rest_of_handle_postreload): Ditto.
15350 * tree-tailcall.c (execute_tail_recursion): Ditto.
15351 (execute_tail_calls): Ditto.
15352 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15353 * tree.h (init_function_for_compilation): Ditto.
15354 * ipa-cp.c (ipcp_driver): Ditto.
15355 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15356 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15357 * final.c (compute_alignments): Ditto.
15358 (rest_of_handle_final): Ditto.
15359 (rest_of_handle_shorten_branches): Ditto.
15360 (rest_of_clean_state): Ditto.
15361 * omp-low.c (execute_expand_omp): Ditto.
15362 (execute_lower_omp): Ditto.
15363 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15364 * ipa-reference.c (static_execute): Ditto.
15365 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15366 * reorg.c (rest_of_handle_delay_slots): Ditto.
15367 (rest_of_handle_machine_reorg): Ditto.
15368 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15369 * flow.c (recompute_reg_usage): Ditto.
15370 (rest_of_handle_remove_death_notes): Ditto.
15371 (rest_of_handle_life): Ditto.
15372 (rest_of_handle_flow2): Ditto.
15373 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15374 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15375 (do_ssa_store_ccp): Ditto.
15376 (execute_fold_all_builtins): Ditto.
15377 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15378 * modulo-sched.c (rest_of_handle_sms): Ditto.
15379 * ipa-pure-const.c (static_execute): Ditto.
15380 * cse.c (rest_of_handle_cse): Ditto.
15381 (rest_of_handle_cse2): Ditto.
15382 * web.c (rest_of_handle_web): Ditto.
15383 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15384 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15385 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15386 * tree-nrv.c (tree_nrv): Ditto.
15387 (execute_return_slot_opt): Ditto.
15388 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15389 (create_structure_vars): Ditto.
15390 * loop-init.c (rtl_loop_init): Ditto.
15391 (rtl_loop_done): Ditto.
15392 (rtl_move_loop_invariants): Ditto.
15393 (rtl_unswitch): Ditto.
15394 (rtl_unroll_and_peel_loops): Ditto.
15395 (rtl_doloop): Ditto.
15396 * gimple-low.c (lower_function_body): Ditto.
15397 (mark_used_blocks): Ditto.
15398 * tree-ssa-sink.c (execute_sink_code): Ditto.
15399 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15400 (cgraph_early_inlining): Ditto.
15401 * global.c (rest_of_handle_global_alloc): Ditto.
15402 * jump.c (cleanup_barriers): Ditto.
15403 (purge_line_number_notes): Ditto.
15404 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15405 (rest_of_handle_if_after_reload): Ditto.
15406 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15407 (tree_ssa_loop_im): Ditto.
15408 (tree_ssa_loop_unswitch): Ditto.
15409 (tree_vectorize): Ditto.
15410 (tree_linear_transform): Ditto.
15411 (tree_ssa_loop_ivcanon): Ditto.
15412 (tree_ssa_empty_loop): Ditto.
15413 (tree_ssa_loop_bounds): Ditto.
15414 (tree_complete_unroll): Ditto.
15415 (tree_ssa_loop_prefetch): Ditto.
15416 (tree_ssa_loop_ivopts): Ditto.
15417 (tree_ssa_loop_done): Ditto.
15418 * predict.c (tree_estimate_probability): Ditto.
15419 * recog.c (split_all_insns_noflow): Ditto.
15420 (rest_of_handle_peephole2): Ditto.
15421 (rest_of_handle_split_all_insns): Ditto.
15422 * tree-eh.c (lower_eh_constructs): Ditto.
15423 * regmove.c (rest_of_handle_regmove): Ditto.
15424 (rest_of_handle_stack_adjustments): Ditto.
15425 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15426 * function.c (instantiate_virtual_regs): Ditto.
15427 (init_function_for_compilation): Ditto.
15428 (rest_of_handle_check_leaf_regs): Ditto.
15429 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15430 (rest_of_handle_gcse): Ditto.
15431 * ipa-type-escape.c (type_escape_execute): Ditto.
15432 * alias.c (rest_of_handle_cfg): Ditto.
15433 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15434 * profile.c (rest_of_handle_branch_prob): Ditto.
15435 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15436 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15437 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15438 * tree-dfa.c (find_referenced_vars): Ditto.
15439 * except.c (set_nothrow_function_flags): Ditto.
15440 (convert_to_eh_region_ranges): Ditto.
15441 (rest_of_handle_eh): Ditto.
15442 * emit-rtl.c (unshare_all_rtl): Ditto.
15443 (remove_unnecessary_notes): Ditto.
15444 * except.h (set_nothrow_function_flags): Ditto.
15445 (convert_to_eh_region_ranges): Ditto.
15446 * cfgexpand.c (tree_expand_cfg): Ditto.
15447 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15448 * tree-ssa-pre.c (do_pre): Ditto.
15449 (execute_fre): Ditto.
15450 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15451 (rest_of_handle_jump2): Ditto.
15452 * tree-sra.c (tree_sra): Ditto.
15453 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15454 (execute_mudflap_function_decls): Ditto.
15455 * tree-ssa-copy.c (do_copy_prop): Ditto.
15456 (do_store_copy_prop): Ditto.
15457 * ipa-prop.h (ipcp_driver): Ditto.
15458 * cfglayout.c (insn_locators_initialize): Ditto.
15459 * tree-ssa-forwprop.c
15460 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15461 * cfglayout.h (insn_locators_initialize): Ditto.
15462 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15463 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15464 (execute_late_warn_uninitialized): Ditto.
15465 * rtl.h (cleanup_barriers): Ditto.
15466 (split_all_insns_noflow): Ditto.
15467 (purge_line_number_notes): Ditto.
15468 (unshare_all_rtl): Ditto.
15469 (remove_unnecessary_notes): Ditto.
15470 (recompute_reg_usage): Ditto.
15471 (variable_tracking_main): Ditto.
15472 * integrate.c (emit_initial_value_sets): Ditto.
15473 * integrate.h (emit_initial_value_sets): Ditto.
15474 * tree-optimize.c (execute_free_datastructures): Ditto
15475 (execute_free_cfg_annotations): Ditto.
15476 (execute_fixup_cfg): Ditto.
15477 (execute_cleanup_cfg_pre_ipa): Ditto.
15478 (execute_cleanup_cfg_post_optimizing): Ditto.
15479 (execute_init_datastructures): Ditto.
15480 * tree-object-size.c (compute_object_sizes): Ditto.
15481 * combine.c (rest_of_handle_combine): Ditto.
15482 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15483 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15484 (rest_of_handle_reorder_blocks): Ditto.
15485 (rest_of_handle_partition_blocks): Ditto.
15486 * var-tracking.c (variable_tracking_main): Ditto.
15487 * tree-profile.c (tree_profiling): Ditto.
15488 * tree-vect-generic.c (expand_vector_operations): Ditto.
15489 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15490 * sched-rgn.c (rest_of_handle_sched): Ditto.
15491 (rest_of_handle_sched2): Ditto.
15492 * basic-block.h (free_bb_insn): Ditto.
15493 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15494 * tree-cfg.c (execute_build_cfg): Ditto.
15495 (remove_useless_stmts): Ditto.
15496 (split_critical_edges): Ditto.
15497 (execute_warn_function_return): Ditto.
15498 (execute_warn_function_noreturn): Ditto.
15499 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15500 * cfgrtl.c (free_bb_for_insn): Ditto.
15501 * passes.c (execute_one_pass): Run additional
15502 todos returned by execute function.
15503 * tree-pass.h (struct tree_opt_pass): Make execute
15506 2006-03-02 Richard Guenther <rguenther@suse.de>
15508 * tree-ssa-alias.c (find_used_portions): Consider taking
15509 the address as making the variable not write-only.
15511 2006-03-02 Nick Clifton <nickc@redhat.com>
15513 * config.gcc (default_use_cxa_atexit): Extend the description of
15514 this configure variable. Set its default value to "yes" for
15515 Linux, NetBSD and ELF targets on the assumption that they will
15516 use C libraries with the __cxa_atexit function.
15518 2006-03-02 Ben Elliston <bje@au.ibm.com>
15520 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15521 parameter as unused to suppress a build warning.
15523 2006-03-02 Ben Elliston <bje@au.ibm.com>
15525 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15528 2006-03-01 Roger Sayle <roger@eyesopen.com>
15531 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15532 declared name, the weak reference name, and the typeof name.
15533 (__gthrw): Avoid expanding the declared name suffix.
15534 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15536 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15538 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15540 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15541 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15542 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15543 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15544 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15545 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15546 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15547 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15548 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15549 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15550 (DW_END_default, DW_END_big, DW_END_little): New.
15551 (DW_END_lo_user, DW_END_hi_user): Define.
15552 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15553 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15554 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15557 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15559 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15561 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15563 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15565 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15567 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15568 to 'symbol_mem_tag'.
15570 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15573 2006-03-01 Roger Sayle <roger@eyesopen.com>
15575 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15577 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15580 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15581 MACHO_DYNAMIC_NO_PIC_P.
15582 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15584 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15587 * config/darwin-protos.h (darwin_asm_output_anchor):
15589 * config/darwin-sections.def (cstring_section):
15590 Add SECTION_MERGE to the flags.
15591 (literal4_section): Likewise.
15592 (literal8_section): Likewise.
15593 (objc_selector_refs_section): Likewise.
15594 (objc_cls_refs_section): Likewise.
15595 * config/darwin.c (darwin_asm_output_anchor): New
15597 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15599 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15601 Fix PR tree-optimization/26443
15602 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15603 to todo and PROP_tmt_usage to properties_destroyed.
15604 * tree-ssa-ccp.c (pass_ccp): Ditto.
15605 (pass_store_ccp): Ditto.
15606 * tree-ssa-dom.c (pass_dominator): Ditto.
15608 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15610 * tree-ssa-operands.c: Cleanup whitespace.
15611 (get_asm_expr_operands): Move before first invocation.
15612 (get_indirect_ref_operands): Likewise.
15613 (get_tmr_operands): Likewise.
15614 (get_call_expr_operands): Likewise.
15615 (append_def): Likewise.
15616 (append_use): Likewise.
15617 (append_v_may_def): Likewise.
15618 (append_v_must_def): Likewise.
15619 (add_call_clobber_ops): Likewise.
15620 (add_call_read_ops): Likewise.
15621 (add_stmt_operand): Likewise.
15622 (add_virtual_operand): Likewise.
15623 (build_ssa_operands): Likewise.
15625 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15627 PR middle-end/26022
15629 PR middle-end/24437
15630 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15631 with a call expr to ...
15632 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15634 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15636 * tree-vrp.c (extract_range_from_assert): Remove special
15637 handling for types with super-types.
15639 2006-03-01 Ben Elliston <bje@au.ibm.com>
15641 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15642 and powerpc64-*-linux* configurations.
15643 * config/t-dfprules: New file.
15645 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15646 Compile dfp-bit.c from the source directory using -DWIDTH and
15647 $DFP_CFLAGS to control the compilation of that file, rather than
15648 generating width-specific versions in the build directory.
15649 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15650 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15652 2006-02-28 Zack Weinberg <zackw@panix.com>
15654 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15657 2006-02-28 Eric Christopher <echristo@apple.com>
15659 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15660 Set up IN_LIBGCC definition of TARGET_64BIT.
15661 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15663 2006-02-28 Roger Sayle <roger@eyesopen.com>
15665 PR middle-end/14752
15666 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15667 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15668 cases via the construction of "expr != 0".
15670 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15672 * alias.c (alias_invariant, alias_invariant_size): Remove.
15673 (record_base_value): Remove.
15674 (memrefs_conflict_p): Don't look at alias_invariant.
15675 (end_alias_analysis): Don't free it.
15676 * alias.h (record_base_value): Remove prototype.
15678 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15679 Adam Nemet <anemet@caviumnetworks.com>
15681 * rtl.h (truncated_to_mode): Declare it.
15682 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15683 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15684 (RTL_HOOKS_INITIALIZER): Include it.
15685 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15686 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15687 reg_truncated_to_mode.
15688 * rtlanal.c (truncated_to_mode): Define it.
15689 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15691 2006-02-28 Jeff Law <law@redhat.com>
15693 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15694 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15695 the range allowed by TYPE_PRECISION.
15697 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15699 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15701 PR tree-optimization/26419
15702 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15705 2006-02-27 Zack Weinberg <zackw@panix.com>
15707 * doc/md.texi: Fix typo in previous change.
15709 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15713 2006-02-27 Zack Weinberg <zackw@panix.com>
15715 * rtl.def (define_constraint, define_register_constraint)
15716 (define_memory_constraint, define_address_constraint): New MD forms.
15717 * gensupport.c (process_rtx): Put define_constraint etc on the
15719 * genpreds.c (process_define_predicate): Adjust comment. Validate
15720 the name, and call validate_exp to validate the expression.
15721 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15722 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15723 all callers changed.
15724 (validate_exp, needs_variable, struct constraint_data)
15725 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15726 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15727 (const_dbl_constraints, constraint_max_namelen)
15728 (have_register_constraints, have_memory_constraints)
15729 (have_address_constraints, have_address_constraints)
15730 (have_extra_constraints, have_const_int_constraints)
15731 (have_const_dbl_constraints, mangle, add_constraint)
15732 (process_define_constraint, process_define_register_constraint)
15733 (write_enum_constraint_num, write_lookup_constraint)
15734 (write_insn_constraint_len, write_regclass_for_constraint)
15735 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15736 (write_insn_extra_memory_constraint)
15737 (write_insn_extra_address_constraint)
15738 (write_satisfies_constraint_fns): New.
15739 (write_tm_preds_h): If we have new-style constraint definitions,
15740 prototype the functions generated from them, and define the
15741 old constraint interface (still used by generic code) in terms of
15743 (write_insn_preds_c): If we have new-style constraint definitions,
15744 generate all relevant functions from those definitions.
15745 (main): Handle define_constraint etc.
15746 * genoutput.c (struct constraint_data, indep_constraints)
15747 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15748 (mdep_constraint_len): New data structures and functions, defined
15749 #ifdef USE_MD_CONSTRAINTS.
15750 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15751 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15752 use new logic to validate operand constraints against constraint
15754 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15756 * defaults.h: If none of the old-style constraint macros are
15757 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15758 old-style macros; and poison REG_CLASS_FROM_LETTER,
15759 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15761 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15762 * doc/md.texi: Document new constraint-definition mechanism and the
15763 C interface it provides. Remove references to old mechanism
15764 elsewhere in the document.
15765 (Machine Constraints): Use pathnames relative to gcc directory,
15766 i.e. config/ARCH/FILE. Change i386 section to refer to
15767 config/i386/predicates.md; update that section to match docstrings.
15768 * doc/tm.texi: Move all documentation of the old constraint-
15769 definition macros to their own section, clearly mark as obsolete.
15771 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15772 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15774 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15775 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15776 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15777 constraint strings.
15778 (splits and peepholes): Use satisfies_constraint_*.
15779 * config/i386/i386.c (memory_address_length)
15780 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15782 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15784 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15785 scalar operation to be put back into the loop.
15787 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15790 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15791 (extract_cie_info): Handle S flag in augmentation string.
15792 (execute_cfa_program): If context->signal_frame, execute also
15793 fs->pc == context->ra instructions.
15794 (uw_frame_state_for): If context->signal_frame, don't subtract one
15795 from context->ra to find FDE.
15796 (uw_update_context_1): Set context->signal_frame to
15798 (_Unwind_GetIPInfo): New function.
15799 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15800 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15802 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15803 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15804 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15805 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15806 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15807 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15808 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15809 x86_64_fallback_frame_state): Set fs->signal_frame.
15810 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15811 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15812 (frob_update_context): Likewise. Workaround missing S flag in
15813 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15814 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15815 Remove the psw_addr + 1 hack.
15817 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15819 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15820 with aggregates here.
15821 (find_func_aliases): Remove code for &<aggregate> from here.
15823 2006-02-26 Roger Sayle <roger@eyesopen.com>
15825 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15826 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15827 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15828 as (X & C) ne/eq 0.
15830 2006-02-26 Roger Sayle <roger@eyesopen.com>
15832 PR middle-end/19983
15833 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15835 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15837 * opts.c (decode_options): Do not handle flag_strength_reduce.
15838 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15839 and OPT_fstrength_reduce.
15840 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15841 flag_prefetch_loop_arrays for being nonzero.
15842 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15844 (fprefetch-loop-arrays-rtl): Removed.
15845 (flag_prefetch_loop_arrays): Do not specify the value.
15847 * doc/passes.texi: Update documentation of loop optimizer
15849 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15850 -frerun-loop-opt): Remove.
15852 2006-02-26 Richard Guenther <rguenther@suse.de>
15854 PR tree-optimization/26421
15855 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15856 in function calls that are ADDR_EXPRs as using the whole structure.
15858 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15860 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15861 * tree-pass.h (pass_loop_optimize): Remove.
15862 * passes.c (pass_loop_optimize): Never run it.
15863 * toplev.c (backend_init): Don't call init_loop.
15864 * opts.c (flag_loop_optimize_set): Remove.
15865 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15866 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15867 the old RTL loop optimizer when profiling enabled.
15868 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15869 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15870 pre-headers for the sake of the old RTL loop optimizer.
15871 * Makefile.in: Remove all references to loop.o.
15873 * doc/invoke.texi: Remove all references to -floop-optimize
15874 and -frerun-loop-opt.
15876 2006-02-26 Zack Weinberg <zackw@panix.com>
15878 * doc/md.texi (Machine Constraints): Refer to all files with paths
15879 relative to gcc directory (i.e. config/CPU/file). Add missing
15880 @table @code ... @end table to M32C subsection.
15882 2006-02-26 Roger Sayle <roger@eyesopen.com>
15884 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15886 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15888 2006-02-26 Roger Sayle <roger@eyesopen.com>
15889 James A. Morrison <phython@gcc.gnu.org>
15891 PR middle-end/21137
15892 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15893 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15894 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15895 signedness of the shift operation.
15897 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15899 PR tree-optimization/26359
15900 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15902 2006-02-25 Roger Sayle <roger@eyesopen.com>
15904 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15905 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15906 as X == 0, and some symmetry related transformations.
15907 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15909 2006-02-25 Roger Sayle <roger@eyesopen.com>
15911 PR middle-end/23673
15912 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15913 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15914 symmetry related transformations. Fold (X^C1) == C2 as
15917 2006-02-25 Juergen Weigert <jw@suse.de>
15918 Richard Guenther <rguenther@suse.de>
15920 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15922 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15924 * combine.c (gen_lowpart_or_truncate): Call
15925 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15927 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15929 * doc/invoke.texi: Move -fopenmp description to "Options for
15931 Remove reference to -lgomp.
15933 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15935 * doc/install.texi: Require GNU tar version 1.14.
15937 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15939 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15940 * doc/invoke.texi (C++ Dialect Options): Document
15941 -fno-use-cxa-get-exception-ptr.
15942 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15943 * configure: Regenerate.
15944 * c.opt (fuse-cxa-get-exception-ptr): New.
15945 * c-opts.c (c_common_handle_option): Handle
15946 OPT_fuse_cxa_get_exception_ptr.
15947 * c-common.c (flag_use_cxa_atexit): Update documentation.
15948 (flag_use_cxa_get_exception_ptr): New.
15949 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15950 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15952 (C_COMMON_OVERRIDE_OPTIONS): New.
15954 2006-02-24 Roger Sayle <roger@eyesopen.com>
15956 PR middle-end/24952
15957 * combine.c (try_combine): Explicitly check whether GET_CODE is
15958 a SET or a CLOBBER, instead on checking that it isn't a USE.
15960 2006-02-24 Roger Sayle <roger@eyesopen.com>
15962 * fold-const.c (fold_comparison): New subroutine of fold_binary
15963 containing transformations common to both the equality and
15964 ordering relational operators, factored out of fold_binary.
15965 (fold_binary): Separate out the equality operators (EQ_EXPR
15966 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15967 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15968 transformations common to both.
15969 (fold_div_compare): Fix latent bugs in the previously unreachable
15970 LT_EXPR and GE_EXPR cases.
15972 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15974 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15975 decl libname for clog to __clog on AIX.
15977 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15979 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15982 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15983 output traceback table for thunks. Localise rs6000_stack_info call.
15985 2006-02-23 Roger Sayle <roger@eyesopen.com>
15986 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15988 * gthr-posix.h (__gthrw): Fix typo in comment.
15990 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15992 * doc/cpp.texi (Character sets): Document that we do support
15993 input files to be in any character set.
15995 2006-02-23 Jeff Law <law@redhat.com>
15997 * tree.h (PHI_ARG_NONZERO): Remove.
15998 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15999 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16000 node to the new node.
16002 PR tree-optimization/26425
16003 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16004 min/max, then assume its varying.
16006 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16008 PR rtl-optimization/26316
16009 * rtlanal.c (enum may_trap_p_flags): New.
16010 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16011 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16012 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16013 (may_trap_after_code_motion_p): New function.
16014 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16015 (find_invariant_insn): Use may_trap_after_code_motion_p.
16016 * rtl.h (may_trap_after_code_motion_p): Declare.
16018 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16020 * emit-rtl.c (immed_double_const): Cleanup.
16022 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16024 Fix PR tree-optimization/26376
16025 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16028 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16030 PR middle-end/26412
16031 * gimplify.c (omp_add_variable): Guard variable size decl test with
16032 DECL_SIZE (decl) check.
16034 2006-02-23 Richard Guenther <rguenther@suse.de>
16036 PR middle-end/26439
16037 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16038 like aggregate types.
16040 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16042 * configure.ac: Add --with{,out}-long-double-128 configure option.
16043 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16044 * configure: Rebuilt.
16045 * config.in: Rebuilt.
16046 * doc/install.texi (Options specification): Document
16047 --with-long-double-128.
16049 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16050 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16051 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16052 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16054 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16056 * config/s390/s390.c (override_options): Handle
16057 TARGET_DEFAULT_LONG_DOUBLE_128.
16059 * config/alpha/alpha.c (override_options): Handle
16060 TARGET_DEFAULT_LONG_DOUBLE_128.
16062 * config/sparc/sparc.c (sparc_override_options): Handle
16063 TARGET_DEFAULT_LONG_DOUBLE_128.
16065 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16067 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16068 (real-install-headers-tar, real-install-headers-cpio)
16069 (real-install-headers-cp): New targets.
16071 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16073 * tree.h (variable_section): Delete.
16074 * varasm.c (variable_section): Delete.
16076 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16078 * install.texi: Add notes on install.texi2html.
16079 (Building in parallel): Do not use footnotes.
16081 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16084 * doc/install.texi (Configuration): Document --disable-libgomp.
16086 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16088 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16090 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16092 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16093 (vec_extractv2df_0_sse): New.
16095 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16097 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16098 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16099 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16100 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16101 to the result of the expression.
16102 (def_cfa_1): Adjust.
16103 (frame_pointer_cfa_offset): Rename to...
16104 (frame_pointer_fb_offset): ... this. Adjust all uses.
16105 (convert_cfa_to_loc_list): Rename to...
16106 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16107 Pass it on to build_cfa_loc.
16108 (compute_frame_pointer_to_cfa_displacement): Rename to...
16109 (compute_frame_pointer_to_fb_displacement): ... this. New
16110 offset parameter. Use it in computation.
16111 (gen_subprogram_die): Compute cfa_fb_offset with the new
16112 macro, and use it to compute the fb loc list and the
16115 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16117 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16118 replaced with register_operand.
16119 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16120 non-DREG is expensive.
16121 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16122 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16125 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16127 * doc/install.texi2html: Use set -e.
16129 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16131 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16132 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16133 * doc/invoke.texi (-fshared-data): Delete.
16134 * common.opt (fshared-data): Delete.
16135 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16136 (assemble_static_space): Remove #if 0 code.
16137 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16138 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16139 * config/cris/cris.h: Remove FIXME.
16141 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16143 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16146 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16148 PR middle-end/26379
16149 * combine.c (simplify_shift_const_1): Disable nested shifts
16150 optimization for vector shifts.
16152 2006-02-20 Roger Sayle <roger@eyesopen.com>
16154 PR tree-optimization/26361
16155 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16156 of unsigned integer types.
16158 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16160 * tree-chrec.c (eq_evolutions_p): New.
16161 * tree-chrec.h (eq_evolutions_p): Declared.
16162 * tree-data-ref.c: Fix formatting.
16163 (datadep_stats, dependence_stats): New.
16165 (print_direction_vector): New.
16166 (dump_data_dependence_relation): Use print_direction_vector.
16167 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16168 (compute_subscript_distance): Static.
16169 (initialize_data_dependence_relation): Static. Get the number
16170 of loops surrounding the references from the callers, and initialize
16171 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16172 base_object_differ_p analyzers.
16173 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16174 compute_overlap_steps_for_affine_1_2,
16175 analyze_subscript_affine_affine): Count the classified dependences.
16176 Print a message when a test failed.
16177 (can_use_analyze_subscript_affine_affine): New.
16178 (analyze_siv_subscript): Compute the data dependences on symbolic
16179 scevs that verify can_use_analyze_subscript_affine_affine.
16180 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16181 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16182 Handle symbolic scevs.
16183 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16185 (subscript_dependence_tester): Moved...
16186 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16187 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16188 DDR_SIZE_VECT instead of getting it in parameter.
16189 (subscript_dependence_tester): ... here. Take as a parameter
16190 loop_nest_depth. Call build_classic_dist_vector and
16191 build_classic_dir_vector.
16192 (compute_affine_dependence): Update subscript_dependence_tester
16193 parameters. Update datadep_stats counters. Call
16194 compute_subscript_distance.
16195 (compute_self_dependence): Save the dist and dir vectors. Call
16196 compute_subscript_distance.
16197 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16198 (compute_all_dependences): Reorder parameters as they were before
16199 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16200 compute_subscript_distance. Update the use of
16201 compute_affine_dependence and initialize_data_dependence_relation.
16202 (find_data_references_in_loop): Handle COMPONENT_REF.
16203 (compute_data_dependences_for_loop): Initialize dependence_stats.
16204 Don't call build_classic_dist_vector and build_classic_dir_vector.
16205 Update the parameters of initialize_data_dependence_relation and
16206 compute_all_dependences. Print the statistics from datadep_stats.
16207 (analyze_all_data_dependences): Static. Not used until the pass for
16208 checking the data dependences is contributed.
16209 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16210 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16211 (initialize_data_dependence_relation, compute_affine_dependence,
16212 analyze_all_data_dependences, compute_subscript_distance): Removed.
16213 (print_direction_vector): New.
16214 * lambda.h (gcd): ... here.
16215 (lambda_vector_gcd): Moved here from gcd_vector.
16216 * lambda-code.c (gcd, gcd_vector): Removed.
16217 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16218 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16220 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16222 * ipa-type-escape.c: Tidy some comments and white space.
16223 * tree-ssa-operands.c: Likewise.
16225 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16228 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16229 (dump_decl_name): Do not walk the decl tree chains.
16230 * tree-pass.h (TDF_CHAIN): Remove.
16232 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16234 * Makefile.in (C): Remove
16236 (.PHONY): Remove C and PROTO
16238 2006-02-20 Roger Sayle <roger@eyesopen.com>
16240 PR middle-end/26236
16241 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16242 deprecated CHAR_TYPE tree code.
16244 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16246 * configure.ac (target_list): Add install-info, dvi, html.
16247 * configure: Regenerate.
16249 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16250 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16251 treelang/Make-lang.in: Do not use double-colon rules.
16253 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16255 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16256 (TMT_USED_ALONE): New macro.
16257 * tree-pass.h (PROP_tmt_usage): New property.
16258 (TODO_update_tmt_usage): New todo.
16259 * tree-ssa-alias.c (updating_used_alone): New variable.
16260 (recalculate_used_alone): New function.
16261 (compute_may_aliases): Set updating_used_alone, call
16262 recalculate_used_alone.
16263 * tree-sra.c (pass_sra): Note that this pass destroys
16264 PROP_tmt_usage, and add TODO_update_tmt_usage.
16265 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16266 * tree-flow.h (updating_used_alone): Prototype.
16267 (recalculate_used_alone): Ditto.
16268 * passes.c (execute_todo): Add code to set updating_used_alone,
16269 and call recalculate.
16270 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16271 for clobber if used alone, and add assert to verify used_alone
16274 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16276 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16277 for non tls symbols added.
16278 (legitimize_address): Do nothing for PLUS expressions if one of the
16279 addends is a tls symbol reference.
16281 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16285 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16287 * Makefile.in (BOOTSTRAPPING): New.
16288 (quickstrap): New definition if BOOTSTRAPPING=yes.
16290 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16291 * configure.ac: Substitute all_selected_languages with the languages
16292 that were configured. For all the other variables except
16293 lang_specs_files, include all the languages in the tree.
16294 * configure: Regenerate.
16296 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16297 if there is one. Run the commands to run fixincludes in the same
16300 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16301 * doc/install.texi: Document exact conventions for searching target tools.
16302 Document --with-build-time-tools. Document toplevel bootstrap. Document
16303 something more about building an Ada cross-compiler. Don't list GNU Make
16304 requirements which affect all platforms.
16306 2006-02-19 Roger Sayle <roger@eyesopen.com>
16308 PR middle-end/19543
16309 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16310 only equivalent if the have both the same mode and precision.
16312 2006-02-20 Ben Elliston <bje@au.ibm.com>
16314 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16316 2006-02-19 Roger Sayle <roger@eyesopen.com>
16317 Steven Bosscher <stevenb.gcc@gmail.com>
16319 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16320 constant pool references to identify stack mode constants.
16321 * rtlanal.c (constant_pool_constant_p): New predicate to check
16322 whether operand is a floating point constant in the pool.
16323 * rtl.h (constant_pool_constant_p): Prototype here.
16324 * loop.c (scan_loop): Avoid hoisting constants from the constant
16325 pool on STACK_REGS targets.
16326 (load_mems): Likewise.
16327 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16328 loads into x87 registers expensive in terms of register pressure.
16330 2006-02-19 Roger Sayle <roger@eyesopen.com>
16332 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16333 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16335 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16337 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16338 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16340 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16342 * doc/invoke.texi: Document -fipa-pta.
16343 * common.opt: Add ipa-pta option.
16344 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16345 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16346 (do_ds_constraint): Ditto.
16347 (get_constraint_for): Only add to referenced_vars if
16348 referenced_vars exists.
16349 (insert_into_field_list): Rewrite to do this unsorted.
16350 (insert_into_field_list_sorted): Rename old insert_into_field_list
16352 (create_function_info_for): Use insert_into_field_list_sorted.
16353 (create_variable_info_for): Rewrite so it uses unsorted version,
16354 since the field list is sorted.
16355 (intra_create_variable_infos): Only add to referenced_vars if
16356 referenced_vars exists.
16357 (ipa_pta_execute): Init heapvars, and delete when done.
16358 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16360 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16362 * doc/install.texi: Add missing `@samp'.
16364 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16366 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16369 2006-02-18 Mark Wielaard <mark@klomp.org>
16371 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16372 who added new 4.1 features, bug fixes and integration support.
16374 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16377 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16378 MEM for ABI_V4 pic.
16380 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16382 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16383 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16384 (copy_insn_1): Likewise. Don't copy each field individually.
16386 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16388 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16389 * rtl.c (rtx_size): Rename variable to...
16390 (rtx_code_size): ...this.
16391 (rtx_size): New function.
16392 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16393 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16395 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16396 * rtl.h (rtx_code_size): New variable.
16397 (rtx_size): Change from a variable to a function.
16398 (RTX_SIZE): Rename to...
16399 (RTX_CODE_SIZE): ...this.
16402 PR tree-optimization/17106
16403 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16404 (Anchored Addresses): New section.
16405 * doc/invoke.texi (-fsection-anchors): Document.
16406 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16407 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16408 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16409 * hooks.c (hook_bool_mode_rtx_false): New function.
16410 * hooks.h (hook_bool_mode_rtx_false): Declare.
16411 * gengtype.c (create_optional_field): New function.
16412 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16413 SYMBOL_REF_IN_BLOCK_P is true.
16414 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16415 (min_anchor_offset, max_anchor_offset): Likewise.
16416 (use_anchors_for_symbol_p): New hook.
16417 * toplev.c (compile_file): Call output_object_blocks.
16418 (target_supports_section_anchors_p): New function.
16419 (process_options): Check that -fsection-anchors is only used on
16420 targets that support it and when -funit-at-a-time is in effect.
16421 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16422 if the decl doesn't have one.
16423 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16424 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16425 of force_const_mem through use_anchored_address.
16426 (expand_expr_constant): New function.
16427 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16428 calling expand_expr for INDIRECT_REF.
16429 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16430 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16431 * expr.h (use_anchored_address): Declare.
16432 * loop-unroll.c: Don't declare rtx vectors here.
16433 * explow.c: Include output.h.
16434 (validize_mem): Call use_anchored_address.
16435 (use_anchored_address): New function.
16436 * common.opt (-fsection-anchors): New switch.
16437 * varasm.c (object_block_htab, anchor_labelno): New variables.
16438 (hash_section, object_block_entry_eq, object_block_entry_hash)
16439 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16440 (use_blocks_for_decl_p, change_symbol_section): New functions.
16441 (get_variable_section): New function, split out from assemble_variable.
16442 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16443 use_blocks_for_decl_p say so. Use change_symbol_section if the
16444 symbol has already been created.
16445 (assemble_variable_contents): New function, split out from...
16446 (assemble_variable): ...here. Don't output any code for
16447 block symbols; just pass them to place_block_symbol.
16448 Use get_variable_section and assemble_variable_contents.
16449 (get_constant_alignment, get_constant_section, get_constant_size): New
16450 functions, split from output_constant_def_contents.
16451 (build_constant_desc): Create a block symbol if use_object_blocks_p
16452 says so. Or into SYMBOL_REF_FLAGS.
16453 (assemble_constant_contents): New function, split from...
16454 (output_constant_def_contents): ...here. Don't output any code
16455 for block symbols; just pass them to place_section_symbol.
16456 Use get_constant_section and get_constant_alignment.
16457 (force_const_mem): Create a block symbol if use_object_blocks_p and
16458 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16459 (output_constant_pool_1): Add an explicit alignment argument.
16460 Don't switch sections here.
16461 (output_constant_pool): Adjust call to output_constant_pool_1.
16462 Switch sections here instead. Don't output anything for block symbols;
16463 just pass them to place_block_symbol.
16464 (init_varasm_once): Initialize object_block_htab.
16465 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16466 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16467 (place_block_symbol, get_section_anchor, output_object_block)
16468 (output_object_block_htab, output_object_blocks): New functions.
16469 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16470 (TARGET_ASM_OUT): Include it.
16471 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16472 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16473 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16474 (TARGET_INITIALIZER): Include them.
16475 * rtl.c (rtl_check_failed_block_symbol): New function.
16476 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16477 (block_symbol, object_block): New structures.
16478 (rtx_def): Add a block_symbol field to the union.
16479 (BLOCK_SYMBOL_CHECK): New macro.
16480 (rtl_check_failed_block_symbol): Declare.
16481 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16482 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16483 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16484 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16485 * output.h (output_section_symbols): Declare.
16486 (object_block): Name structure.
16487 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16488 (default_use_anchors_for_symbol_p): Declare.
16489 * Makefile.in (RTL_BASE_H): Add vec.h.
16490 (explow.o): Depend on output.h.
16491 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16492 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16493 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16494 (rs6000_use_blocks_for_constant_p): New function.
16496 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16498 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16500 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16503 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16506 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16508 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16512 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16514 PR middle-end/26334
16515 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16516 instead of DECL_REGISTER.
16518 2006-02-18 Olivier Hainque <hainque@adacore.com>
16521 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16523 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16526 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16527 * opth-gen.awk: Handle Var and InverseMask together.
16528 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16529 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16530 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16531 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16533 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16534 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16535 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16536 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16537 LINUX_DYNAMIC_LINKER): Define.
16538 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16539 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16541 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16542 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16543 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16545 (TARGET_C99_FUNCTIONS): Don't define.
16546 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16547 GLIBC_DYNAMIC_LINKER.
16548 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16549 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16550 GLIBC_DYNAMIC_LINKER64): Define.
16551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16552 LINUX_DYNAMIC_LINKER64.
16553 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16554 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16555 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16557 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16559 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16560 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16561 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16563 and LINUX_DYNAMIC_LINKER32.
16564 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16565 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16566 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16567 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16568 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16570 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16571 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16572 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16573 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16574 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16575 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16576 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16577 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16578 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16579 LINUX_DYNAMIC_LINKER): Define.
16580 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16581 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16582 GLIBC_DYNAMIC_LINKER64): Define.
16583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16584 LINUX_DYNAMIC_LINKER64.
16585 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16586 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16587 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16588 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16589 LINUX_DYNAMIC_LINKER): Define.
16590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16591 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16592 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16593 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16594 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16595 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16596 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16597 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16598 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16599 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16601 * doc/invoke.texi (-muclibc): Remove caveat about supported
16604 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16606 * doc/cpp.texi (__TIMESTAMP__): Document.
16608 2006-02-17 Roger Sayle <roger@eyesopen.com>
16610 PR middle-end/25600
16611 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16612 C is one less than the width of X (and related transformations).
16613 * simplify-rtx.c (simplify_unary_operation_1): Transform
16614 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16615 depending on STORE_FLAG_VALUE, were C is one less then the
16618 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16620 Fix PR tree-optimization/26341
16621 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16622 about NAME_MEMORY_TAG's.
16624 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16627 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16628 with hardware float support, and software float support. Add fcpy
16629 alternative to hardware patterns. Add alternatives to copy between
16630 general and floating-point registers to the 32-bit pattern.
16631 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16632 secondary reload to load a QI or HI mode constant into a floating
16634 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16635 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16637 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16640 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16642 (load_macho_picbase_di): Likewise.
16644 2006-02-16 Jeff Law <law@redhat.com>
16646 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16647 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16648 (ssa_name_nonzero_p): Likewise.
16649 (get_value_range): Return NULL if VRP is not running.
16650 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16651 VRP routines do not discover a range.
16652 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16653 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16654 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16655 (tree_expr_nonnegative_p): Similarly.
16656 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16657 (restore_nonzero_vars_to_original_value): Remove.
16658 (unsafe_associative_fp_binop): Remove.
16659 (tree_ssa_dominator_optimize): Remove initialization and
16660 finalization of nonzero_vars and nonzero_vars_stack.
16661 (dom_opt_initialize_block): No longer push marker on
16662 nonzero_vars_stack.
16663 (dom_opt_finalize_block): No longer call
16664 restore_nonzero_vars_to_original_value.
16665 (record_equivalences_from_phis): No longer look for
16666 nonzero PHI arguments.
16667 (cprop_into_successor_phis): No longer propagate nonzero
16668 property into PHI arguments. Lose unused argument. Caller
16670 (record_equivalences_from_stmt): No longer record nonzero
16671 values for SSA_NAMEs.
16672 (lookup_avail_expr): No longer use nonzero_vars.
16674 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16675 for sizetype when sizetype is unsigned.
16677 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16679 PR rtl-optimization/25603
16680 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16681 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16682 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16683 with new meaning of SETS.
16685 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16690 * config/linux.opt: New file.
16691 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16692 LINUX_DYNAMIC_LINKER): Define.
16693 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16694 * config.gcc (*-*-linux*): Define extra_options.
16695 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16696 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16697 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16698 GLIBC_DYNAMIC_LINKER.
16699 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16700 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16701 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16702 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16703 * doc/invoke.texi (GNU/Linux Options): New section.
16705 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16707 * config/sparc/sparc.md (setjmp): Rewrite.
16708 (setjmp_32): Delete.
16709 (setjmp_64): Likewise.
16711 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16713 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16716 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16718 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16721 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16723 PR rtl-optimization/26296
16724 * Makefile.in (loop-invariant.c): Add except.h dependency.
16725 * loop-invariant.c: Include except.h.
16726 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16728 2005-02-16 Paul Brook <paul@codesourcery.com>
16730 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16733 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16735 PR rtl-optimization/25636
16736 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16737 when deciding whether an insn is an initializing insn.
16739 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16741 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16742 (tree_code_size): Ditto.
16743 * tree.h (struct tree_memory_tag): Remove parent_var.
16744 (struct tree_struct_field_tag): New.
16747 (union tree_node): Add sft member.
16748 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16750 (create_sft): Add size and offset argument, set SFT_OFFSET and
16752 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16753 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16754 * tree-flow-inline.h (get_subvar_at): Update for
16755 SFT_OFFSET/SFT_SIZE.
16756 (var_can_have_subvars): Ditto.
16757 (overlap_subvar): Ditto.
16758 * print-tree.c (print_node): Print out interesting things for
16760 * tree-flow.h (struct subvar): Remove offset and size members.
16761 * tree-ssa-operands.c (get_expr_operands): Update for
16762 get_indirect_ref_operands changes.
16763 (get_indirect_ref_operands): Call add_virtual_operand instead of
16764 add_stmt_operand. Only recurse on base var if requested.
16765 (access_can_touch_variable): New function.
16766 (add_stmt_operand): Split virtual operand handling into ...
16767 (add_virtual_operand): Here. Add offset, size, and for_clobber
16768 arguments. Prune alias sets.
16769 (add_call_clobber_ops): Call add_virtual_operand.
16771 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16773 PR middle-end/26300
16774 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16776 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16777 than TREE_CODE as index into omp_clause_num_ops array.
16779 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16781 PR rtl-optimization/26184
16782 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16784 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16785 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16786 must_precede, must_follow and tobe_scheduled.
16789 * opts.c (common_handle_option): Free new_option pointer.
16790 * df-core.c (df_analyze): Free postorder pointer.
16792 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16794 * Makefile.in: Fix the examples about the use of stamps
16796 2006-02-15 Michael Matz <matz@suse.de>
16798 PR middle-end/22275
16800 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16801 influenced by maximum_field_alignment or DECL_PACKED.
16802 (update_alignment_for_field): Ditto.
16803 (place_field): Ditto.
16804 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16807 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16809 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16810 (debug_flow_info): Pass it.
16811 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16812 * bb-reorder.c (reorder_basic_blocks): Likewise.
16813 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16814 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16815 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16816 * gcse.c (gcse_main, bypass_jumps): Likewise.
16817 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16818 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16819 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16820 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16821 * rtl.h (dump_flow_info): Adjust prototype.
16822 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16823 * var-tracking.c (variable_tracking_main): Likewise.
16824 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16825 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16828 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16830 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16833 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16835 PR tree-optimization/26209
16836 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16837 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16839 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16841 2006-02-14 Roger Sayle <roger@eyesopen.com>
16843 PR middle-end/23670
16844 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16845 (X,Y) and the corresponding symmetry related transformations.
16846 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16847 (X,Y) and its symmetry related transformations.
16849 2006-02-14 Roger Sayle <roger@eyesopen.com>
16851 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16854 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16856 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16858 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16861 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16862 support COMDAT group.
16863 * configure: Regenerate.
16865 2006-02-14 Roger Sayle <roger@eyesopen.com>
16867 PR middle-end/26279
16868 PR middle-end/26280
16869 PR middle-end/26283
16870 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16872 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16874 Fix PR tree-optimization/26260
16876 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16878 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16879 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16880 * tree-ssa-structalias.c (create_variable_info_for): Use
16881 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16883 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16885 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16887 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16888 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16889 of the ending condition.
16890 * tree-ssa-loop-manip.c: Include params.h.
16891 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16892 tree_unroll_loop): New functions.
16893 * tree-pass.h (pass_loop_prefetch): Declare.
16894 * loop.c (rest_of_handle_loop_optimize): Test for
16895 -fprefetch-loop-arrays-rtl.
16896 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16897 * timevar.def (TV_TREE_PREFETCH): New timevar.
16898 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16899 pass_loop_prefetch): New.
16900 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16901 (cleanup_tree_cfg_loop): Call scev_reset.
16902 * common.opt (fprefetch-loop-arrays-rtl): Add.
16903 * tree-ssa-loop-prefetch.c: New file.
16904 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16905 (new_temp_expr_table): Initialize expr_vars.
16906 (free_temp_expr_table): Cleanup expr_vars.
16907 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16908 expressions from being merged into one.
16909 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16910 (struct tree_niter_desc): Add control, bound and cmp fields.
16911 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16913 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16914 (tree-cfgcleanup.o): Add SCEV_H dependency.
16915 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16916 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16918 2006-02-14 Richard Guenther <rguenther@suse.de>
16920 PR tree-optimization/26258
16921 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16922 in PHI argument processing.
16924 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16926 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16927 new expression in the requested machine mode.
16929 2006-02-13 Roger Sayle <roger@eyesopen.com>
16931 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16932 directly, instead let do_compare_rtx_and_jump handle this for us.
16933 * expr.c (expand_expr_real_1): Likewise.
16934 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16935 before do_jump_by_parts_greater.
16936 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16937 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16939 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16941 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16943 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16945 PR rtl-optimization/26235
16946 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16947 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16950 2006-02-13 Jeff Law <law@redhat.com>
16952 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16955 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16957 PR middle-end/26092
16958 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16959 twice if decl is a builtin. When trying again, call get_callee_fndecl
16960 first to verify it is still a builtin.
16962 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16964 * dwarf2out.c (base_type_die): Don't add AT_name here.
16965 (subrange_type_die): Don't add AT_name here.
16966 (modified_type_die): Rearrange code flow. Do add AT_name here.
16968 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16970 PR rtl-optimization/26247
16971 PR rtl-optimization/26248
16972 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16974 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16976 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16977 * config/fixtfdi.c: Likewise.
16978 * config/fixunstfdi.c: Likewise.
16979 * config/floatditf.c: Likewise.
16981 2006-02-13 Roger Sayle <roger@eyesopen.com>
16983 PR middle-end/24427
16984 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16985 into (X,C2) if C1 is a subset of the bits of C2. Transform
16986 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16988 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16990 2006-02-13 Josh Conner <jconner@apple.com>
16993 * varasm.c (function_section): Check for section name before
16994 calling select_section on targets that define
16995 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16996 unlikely_text_section instead of hot_function_section if
16997 first_function_block_is_cold.
16999 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17001 PR middle-end/25335
17002 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17004 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17006 PR rtl-optimization/26222
17007 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17008 after tree->rtl expansion.
17009 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17010 before passing it to emit_move_insn.
17012 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17014 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17016 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17017 Clarify documentation.
17018 * c-common.h (warn_write_strings): Remove.
17019 * c-common.c (warn_write_strings): Likewise.
17020 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17023 2006-02-12 Roger Sayle <roger@eyesopen.com>
17025 PR middle-end/25724
17026 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17027 (do_jump_parts_zero_rtx): New function renamed from
17028 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17029 (do_jump_parts_equality_rtx): New function split out from
17030 do_jump_parts_equality. Old implementation renamed as above.
17031 Call do_jump_parts_zero_rtx if either operand is zero.
17032 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17033 do all of the heavy lifting.
17034 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17035 calling either do_jump_by_parts_greater_rtx or
17036 do_jump_by_parts_equality_rtx.
17037 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17038 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17039 moved to do_compare_rtx_and_jump, call it directly.
17040 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17041 mode argument. Call do_compare_rtx_and_jump.
17042 (emit_case_nodes): Update calls to do_jump_if_equal.
17044 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17046 PR rtl-optimization/26225
17047 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17049 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17051 PR rtl-optimization/26232
17052 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17054 2006-02-11 Jason Merrill <jason@redhat.com>
17057 * tree-inline.c (declare_return_variable): Just don't use the
17058 modify target if it's a gimple complex reg and the return slot
17061 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17063 * doc/contrib.texi: Update my entry.
17065 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17067 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17069 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17071 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17074 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17076 * doc/invoke.texi (-floop-optimize2): Removed.
17077 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17078 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17079 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17080 * common.opt (floop-optimize2): Removed.
17081 (fmove-loop-invariants): Enabled by default.
17083 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17085 * tree-if-conv.c (combine_blocks): Free the result of
17086 get_loop_exit_edges.
17088 2006-02-10 Jeff Law <law@redhat.com>
17090 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17092 PR tree-optimization/26213
17093 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17094 loop trying to follow SSA_NAME_VALUE chains.
17096 2006-02-10 Richard Guenther <rguenther@suse.de>
17098 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17099 deal with structures that end in implicitly variable sized arrays.
17101 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17103 PR rtl-optimization/24762
17104 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17107 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17109 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17110 (struct ivopts_data): Add regs_used field.
17111 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17112 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17113 instead of loop_data->regs_used;
17114 (free_loop_data): Do not free aux fields for loops.
17115 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17116 and tree_ssa_iv_optimize_finalize.
17118 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17120 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17122 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17125 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17126 computing the effective result type.
17128 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17130 PR inline-asm/16194
17131 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17132 (tree_overlaps_hard_reg_set): Declare.
17133 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17134 type and signature to match function type expected by walk_tree.
17135 (tree_overlaps_hard_reg_set): New function.
17136 (decl_conflicts_with_clobbers_p): Rename to:
17137 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17138 Use tree_overlaps_hard_reg_set. Changed caller.
17139 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17140 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17141 * cris.c (cris_md_asm_clobbers): Likewise.
17143 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17145 * reload1.c (emit_input_reload_insns): Delete code that tries to
17146 inherit using find_equiv_reg.
17148 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17150 * c-common.h (flag_const_strings): Don't declare.
17151 * c-common.c (flag_const_strings): Remove.
17152 * c.opt (fconst_strings): Remove.
17153 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17154 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17155 (c_common_init_options): Don't set flag_const_strings.
17156 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17158 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17160 * arm.md (tlobits_cbranch): New pattern.
17161 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17162 testing a single bit.
17164 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17167 * tree-ssa-pre.c (create_component_ref_by_pieces):
17168 Handle RETURN_DECL like VAR_DECL.
17170 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17172 PR middle-end/26134
17173 * fold-const.c (fold_indirect_ref_1): Fold
17174 "*(foo *)&complexfoo" to "__real__ complexfoo"
17175 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17177 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17179 * tree-flow-inline.h (var_can_have_subvars):
17180 Volatile variables should not have subvariables.
17182 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17185 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17186 multiplying unsigned values.
17189 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17191 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17193 2006-02-08 Jason Merrill <jason@redhat.com>
17196 * tree.def: Elaborate on difference from MODIFY_EXPR.
17197 * doc/c-tree.texi (INIT_EXPR): Likewise.
17198 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17199 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17200 (gimplify_target_expr): Likewise.
17201 (gimplify_cond_expr): Remove target handling.
17202 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17203 (gimplify_expr): Clobber it here.
17204 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17205 Do return slot optimization if we have an INIT_EXPR.
17208 * tree-inline.c (declare_return_variable): Also clear
17209 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17212 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17214 PR middle-end/22439
17215 * gimplify.c (gimplify_one_sizepos): Fix typo.
17217 2006-02-08 Jeff Law <law@redhat.com>
17219 PR tree-optimization/21417
17220 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17221 across a backedge if the control statement at the end of the
17222 block is data dependent on other statements in the same block.
17223 (record_temporary_equivalences_from_stmts): Remove over-conservative
17224 test for threading across backedges.
17226 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17227 control statement, handle all three special cases in the same
17228 manner as they all have the same desired solution. No longer
17229 special case edge flag updating when the post dominator is
17232 2006-02-08 Roger Sayle <roger@eyesopen.com>
17234 * tree.def (CHAR_TYPE): Remove.
17235 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17236 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17237 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17238 (gen_string_type_die): Delete unreachable function.
17240 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17241 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17242 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17243 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17244 * builtins.c (type_to_class): Likewise.
17245 * fold-const.c (fold_convert, build_range_check,
17246 merge_ranges): Likewise.
17247 * expr.c (count_type_elements): Likewise.
17248 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17249 * stor-layout.c (layout_type): Likewise.
17250 * ipa-type-escape.c (type_to_consider): Likewise.
17251 * gimplify.c (omp_firstprivatize_type_sizes,
17252 gimplify_type_sizes): Likewise.
17253 * explow.c (promote_mode): Likewise.
17254 * tree-sra.c (is_sra_scalar_type): Likewise.
17255 * varasm.c (output_constant): Likewise.
17256 * tree-inline.c (remap_type_1): Likewise.
17257 * convert.c (convert_to_pointer, convert_to_real,
17258 convert_to_integer, convert_to_complex): Likewise.
17260 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17262 * df-scan.c (df_def_record_1): A set destination may
17263 be a parallel regardless of mode.
17265 2006-02-08 Roger Sayle <roger@eyesopen.com>
17268 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17269 * config/mips/_tilib.c: Remove.
17270 * config/fixtfdi.c: New libgcc source file.
17271 * config/fixunstfdi.c: New source file.
17272 * config/floatditf.c: New source file.
17273 * config/floatunditf.c: New souce file.
17274 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17275 files above instead of config/mips/_tilib.c.
17276 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17278 2006-02-08 Jeff Law <law@redhat.com>
17280 PR tree-optimization/26169
17281 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17284 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17286 * df.h (DF_REG_SIZE): Return the length of the initialized
17289 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17291 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17292 __muldf3): Return a correctly signed zero.
17294 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17296 * passes.c (register_one_dump_file): Accept the current properties
17297 instead of pass number. Adjust call to dump_register. Remove
17299 (register_dump_files): Now a wrapper around...
17300 (register_dump_files_1): ... this one. Do not modify the pass
17302 (next_pass_1): Cosmetic fix.
17303 (execute_todo): Keep second parameter only. Use curr_properties
17304 instead of fetching it from the pass structure. Check and set
17306 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17307 instead of fetching it from the pass structure. Fix calls to
17308 execute_todo. Update curr_properties and initialize .vcg RTL dump
17309 after running the pass. Reset last_verified.
17310 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17312 (FIRST_AUTO_NUMBERED_DUMP): New.
17313 (dump_register): Remove "num" parameter, assign it within the
17315 (get_dump_file_name): Modify template for dumps.
17316 * tree-dump.h (dump_register): Adjust prototype.
17317 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17318 (PROP_trees): Add PROP_gimple_lomp.
17319 (TODO_set_props): New.
17320 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17321 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17322 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17324 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17326 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17327 (sparc64-*-linux*): Likewise.
17328 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17329 * config/sparc/t-linux: New file.
17330 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17331 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17332 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17333 -m32 -mlong-double-128.
17335 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17336 * config/alpha/t-linux: New file.
17337 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17339 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17340 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17341 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17342 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17343 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17344 (CPP_ARCH32_SPEC): Remove.
17346 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17348 PR tree-optimization/26145
17349 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17352 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17355 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17356 >= 240000 when generating code for SOM runtime.
17357 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17358 to $$dyncall when generating code for SOM runtime..
17360 2006-02-07 Dirk Mueller <dmueller@suse.com>
17363 * doc/invoke.texi (-Wsequence-point): Update documentation
17364 that -Wsequence-point is implemented for C++ as well.
17366 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17368 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17369 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17370 (LIB_SPEC): Likewise.
17371 * doc/invoke.texi (SPARC options): Document -pthread.
17373 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17375 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17378 2006-02-07 Roger Sayle <roger@eyesopen.com>
17380 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17381 Correct comment describing BOOLEAN_TYPE.
17383 2006-02-07 Dirk Mueller <dmueller@suse.com>
17385 * c.opt: C++ frontend supports -Wdiv-by-zero.
17386 * c-opts.c (c_common_handle_option): Remove dead case.
17388 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17390 * configure.ac (TLS assembler check): Do not enable TLS by
17391 default on SPARC/Solaris before version 10.
17392 * configure: Regenerate.
17394 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17396 * doc/invoke.texi (xl-compat): Document conversion and support
17399 2006-02-07 Jeff Law <law@redhat.com>
17401 * tree-vrp.c (find_conditional_asserts): Update comments.
17402 (simplify_stmt_for_jump_threading): New.
17403 (identify_jump_threads, finalize_jump_threads): New.
17404 (vrp_finalize): Call identify_jump_threads.
17405 (execute_vrp): Call finalize_jump_threads.
17406 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17407 (vrp_element, vrp_data, vrp_element_p): Remove.
17408 (vrp_hash_elt, vrp_variables_stack): Remove.
17409 (vrp_hash, vrp_eq, record_range): Remove.
17410 (simplify_cond_and_lookup_avail_expr): Remove.
17411 (extract_range_from_cond): Remove.
17412 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17413 (simplify_stmt_for_jump_threading): New.
17414 (dom_thread_across_edge): New wrapper.
17415 (tree_ssa_dominator_optimize): No longer initialize or
17416 finalize any of the VRP datastructures. Remove iteration
17417 step and simplify as a result of removal of iteration step.
17418 (pass_dominator): Perform a cfg cleanup after DOM.
17419 (dom_opt_finalize_block): Use the new common routines
17420 for threading jumps. Simplify stack management slightly.
17421 No longer need to unwind VRP state.
17422 (record_equivalences_from_incoming_edge): No longer record
17424 (eliminate_redundant_computations): No longer call
17425 simplify_cond_and_lookup_avail_expr.
17426 * tree-flow.h (potentially_threadable_block): Prototype.
17427 (thread_across_edge): Likewise.
17428 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17429 (tree-ssa-threadedge.o): Add dependencies.
17430 * tree-ssa-threadedge.c: New file.
17431 * passes.c (init_optimization_passes): Merge PHIs before
17432 calling VRP. Run VRP again late in the SSA optimization pipeline.
17434 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17436 * df-core.c (df_set_blocks): Do not dereference function pointers.
17437 (df_finish1): Likewise.
17438 (df_hybrid_search_forward): Likewise.
17439 (df_hybrid_search_backward): Likewise.
17440 (df_iterative_dataflow): Likewise.
17441 (df_analyze_problem): Likewise.
17442 (df_compact_blocks): Likewise.
17443 (df_dump): Likewise.
17444 * df-scan.c (df_rescan_blocks): Likewise.
17445 (df_record_entry_block_defs): Likewise.
17447 * genconditions.c (write_conditions): Guard the definition of
17448 'insn_conditions' with the check on GCC version.
17449 (write_writer): Guard the traversal 'insn_conditions' with
17450 the check on GCC version.
17452 2006-02-07 Richard Guenther <rguenther@suse.de>
17456 2006-01-30 Richard Guenther <rguenther@suse.de>
17458 * gimplify.c (gimplify_target_expr): Handle easy cases
17459 without creating a temporary.
17461 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17463 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17464 use of float in probability computations. Use edge probabilities
17465 in place of statically computed probabilities.
17466 (min_spec_prob): New static variable.
17467 (schedule_insns): Initialize it.
17468 (GET_SRC_PROB): Removed.
17469 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17471 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17474 * config/ia64/unwind-ia64.c: Revert last change.
17475 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17476 (INCOMING_FRAME_SP_OFFSET): Define.
17478 2006-02-06 Roger Sayle <roger@eyesopen.com>
17480 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17482 2006-02-07 Ben Elliston <bje@au.ibm.com>
17484 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17485 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17486 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17487 (ix86_return_in_memory): Handle TDmode.
17488 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17489 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17491 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17493 * reorg.c (dbr_schedule): Use dump_file instead of file.
17495 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17498 * config/ia64/predicates.md (extr_len_operand): New predicate.
17499 * config/ia64/ia64.md (extv): Tighten constraints.
17501 (*tbit_and_2): Ditto.
17502 (*tbit_and_3): Ditto.
17503 (*tbit_or_2): Ditto.
17504 (*tbit_or_3): Ditto.
17505 (*bit_zero): Ditto.
17508 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17511 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17513 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17515 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17516 loop_optimizer_init and loop_optimizer_finalize
17517 * tree-ssa-sink.c (execute_sink_code): Ditto.
17518 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17519 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17520 tree_ssa_loop_done): Ditto.
17521 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17522 * sched-ebb.c: Include output.h.
17523 (schedule_ebbs): Do not use dump argument.
17524 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17525 * loop.c (loop_dump_stream): Removed.
17526 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17528 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17529 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17530 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17531 loop_iterations, strength_reduce, record_biv, record_giv,
17532 final_giv_value, check_final_value, check_ext_dependent_givs,
17533 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17534 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17535 dump_file instead of loop_dump_stream.
17536 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17537 argument dump_file.
17538 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17540 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17541 * haifa-sched.c: Include output.h
17542 (schedule_insns, sched_init): Do not use dump argument.
17543 * mode-switching.c (optimize_mode_switching): Ditto.
17544 * modulo-sched.c (stats_file): Removed.
17545 (print_node_sched_params): Do not call argument dump_file.
17546 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17547 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17549 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17551 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17552 rtl_loop_init, rtl_loop_done): Ditto.
17553 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17554 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17556 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17557 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17558 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17559 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17560 * emit-rtl.c (renumber_insns): Ditto.
17561 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17562 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17563 * regclass.c (regclass): Ditto.
17564 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17565 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17566 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17567 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17569 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17570 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17572 * gcse.c (gcse_file, debug_stderr): Removed.
17573 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17574 rest_of_handle_gcse): Do not use dump argument.
17575 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17576 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17577 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17578 compute_code_hoist_vbeinout, compute_code_hoist_data,
17579 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17580 compute_store_table, build_store_vectors, insert_insn_start_bb,
17581 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17582 store_motion): Use dump_file instead of gcse_file.
17583 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17584 * profile.c (profile_dump_file): Removed.
17585 (branch_prob): Use dump_file instead of profile_dump_file.
17586 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17588 * tree-ssa-copy.c (dump_copy_of): Ditto.
17589 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17590 dump file to life_analysis.
17591 * bt-load.c (branch_target_load_optimize): Ditto.
17592 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17594 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17595 regclass, dbr_schedule): Declaration changed.
17596 * sched-int.h (sched_init): Declaration changed.
17597 * tree-profile.c (tree_profile_dump_file): Removed.
17598 (tree_profile_hooks): Removed profile_dump_file hook.
17599 * rtl-profile (rtl_profile_dump_file): Removed.
17600 (rtl_profile_hooks): emoved profile_dump_file hook.
17601 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17603 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17604 * tree-cfg.c (build_tree_cfg): Ditto.
17605 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17606 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17607 Declaration changed.
17608 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17609 life_analysis and schedule_insns.
17610 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17612 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17614 * config/mips/mips.c (mips_reorg): Ditto.
17615 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17618 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17620 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17621 (s390_mangle_fundamental_type): New.
17622 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17625 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17626 (alpha_mangle_fundamental_type): New.
17627 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17630 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17632 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17634 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17635 (sparc_mangle_fundamental_type): New.
17637 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17639 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17640 (s390x-*-linux*): Likewise.
17641 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17642 * config/s390/t-linux: New file.
17644 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17646 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17647 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17649 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17651 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17652 (ANTIC_SAFE_LOADS): New macro.
17653 (find_or_generate_expression): Add prototype.
17654 (set_contains_value): Allow null set for sake of not always having
17655 to allocate ANTIC_SAFE_LOADS.
17656 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17657 Allow COMPONENT_REF too.
17658 (valid_in_set): Allow COMPONENT_REF.
17659 Check ANTIC_SAFE_LOADS too.
17660 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17661 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17663 (can_PRE_operation): Add COMPONENT_REF.
17664 (create_component_ref_by_pieces): New function.
17665 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17666 (insert_aux): Move AGGREGATE_TYPE_P check here.
17667 (compute_avail): Set bb local stmt uids.
17668 (pass_pre): Use TODO_update_ssa_only_virtuals.
17670 2006-02-06 Ben Elliston <bje@au.ibm.com>
17672 * configure.ac: Unconditionally disable decimal float by default.
17673 * configure: Regenerate.
17675 2006-02-06 Ben Elliston <bje@au.ibm.com>
17677 * read-rtl.c (read_name): Terminate reading on EOF.
17679 2006-02-06 Ben Elliston <bje@au.ibm.com>
17681 * dfp.c (decimal_real_arithmetic): Change second argument type
17682 from int to enum tree_code. Do not always return true, but now
17683 return result of any call to decimal_do helper functions.
17684 * dfp.h (decimal_real_arithmetic): Update prototype.
17686 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17688 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17690 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17693 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17696 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17698 * tree-vrp.c (cfg_loops): Removed.
17699 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17700 Use current_loops instead of cfg_loops. Pass flags to
17701 loop_optimizer_init.
17702 * cfgloopmanip.c (fix_loop_structure): Update only available
17704 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17705 loop_optimizer_init.
17706 * modulo-sched.c (build_loops_structure): Removed.
17707 (sms_schedule): Use loop_optimizer_init.
17708 * loop-init.c (loop_optimizer_init): Use flags to determine
17709 which properties of loops to prepare.
17710 (rtl_loop_init): Pass flags to loop_optimizer_init.
17711 * tree-ssa-sink.c (execute_sink_code): Ditto.
17712 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17713 * tree-ssa-pre.c (init_pre): Ditto.
17714 * cfgloop.h (LOOPS_NORMAL): New.
17715 (loop_optimizer_init): Declaration changed.
17717 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17719 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17720 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17722 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17724 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17726 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17727 * pa/t-pa64: Delete quadlib.c rule.
17728 * pa/x-ada: Revert last change.
17729 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17731 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17733 PR rtl-optimization/26087
17734 * rtlanal.c (canonicalize_condition): Do not cross basic block
17737 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17740 * config/ia64/ia64.c: Include debug.h.
17741 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17742 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17743 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17744 (process_epilogue, process_set, process_for_unwind_directive):
17745 Output unwind info only if requested. Add CFA info if requested.
17746 Add new arguments as needed. Adjust callers.
17747 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17749 (DWARF2_FRAME_INFO): Define to zero.
17750 * config/ia64/unwind-ia64.c: Remove code that compensated for
17751 the CFA offset error fixed above.
17752 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17753 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17754 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17755 -funwind-tables and -fexceptions to enable frame info.
17756 (dwarf2out_frame_init): Define initial CFA even if
17757 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17758 DWARF2_UNWIND_INFO is nonzero, not just defined.
17759 (dwarf2out_frame_finish): Output non-EH call frame info only
17760 if DWARF2_FRAME_INFO is nonzero.
17761 (convert_cfa_to_loc_list,
17762 compute_frame_pointer_to_cfa_displacement): Define even if
17763 unwind info is not supported.
17764 (gen_subprogram_die): Use the above unconditionally. Remove
17765 legacy alternate code.
17766 * toplev.c (compile_file): Compile in call to
17767 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17768 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17770 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17771 Jakub Jelinek <jakub@redhat.com>
17773 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17774 IBM extended float format long double as "g" on powerpc*-linux.
17776 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17779 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17780 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17782 2006-02-03 Jason Merrill <jason@redhat.com>
17785 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17787 PR middle-end/25977
17788 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17789 on the return slot if it's an NRV.
17791 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17793 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17794 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17795 rewrite_use): Do not handle USE_OUTER.
17796 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17797 add_iv_outer_candidates, may_replace_final_value,
17798 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17799 (find_interesting_uses_op): Functionality of
17800 find_interesting_uses_outer_or_nonlin moved here.
17801 (find_interesting_uses_outside): Use find_interesting_uses_op.
17803 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17806 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17808 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17809 Ulrich Weigand <uweigand@de.ibm.com>
17812 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17813 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17814 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17815 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17817 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17818 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17819 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17820 Define secondary reloads for TFmode moves.
17821 (constant_modes): Add TFmode.
17822 (NR_C_MODES): Set to 8.
17823 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17825 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17826 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17827 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17828 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17829 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17830 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17831 (FPR mode macro): Add TFmode.
17832 (DSF mode macro): New.
17833 (<de>, <dee> mode attributes): Removed.
17834 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17835 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17836 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17837 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17838 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17839 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17840 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17841 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17842 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17843 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17844 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17845 "*negabs<mode>2", "sqrt<mode>2"):
17846 Changed <de> to <xde>. R constraint replaced by <Rf>.
17847 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17849 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17850 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17851 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17853 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17854 "extenddftf2", "extendsftf2"): New expanders.
17855 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17856 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17857 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17858 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17860 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17861 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17862 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17863 __floatditf): Add a GCC_4.1.0 symbol version tag.
17864 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17867 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17870 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17871 Use targetm.binds_local_p instead of TREE_PUBLIC.
17873 2006-02-02 Roger Sayle <roger@eyesopen.com>
17875 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17876 on INTEGER_TYPEs to indicate that it denotes a character type.
17877 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17878 signed_char_type_node, unsigned_char_type_node and char_type_node.
17879 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17880 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17881 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17883 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17884 Daniel Berlin <dberlin@dberlin.org>
17886 * tree-tailcall.c (arg_needs_copy_p): New function.
17887 (eliminate_tail_call): Use arg_needs_copy_p.
17888 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17889 (add_virtual_phis): New function.
17891 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17893 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17894 #ignore instead of #scratch for %g7 .register directive.
17896 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17898 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17901 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17903 * flow.c (calculate_global_regs_live): Assert that there aren't any
17906 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17908 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17909 what its name says.
17910 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17911 bsi_after_labels iterator.
17912 * tree-if-conv.c (find_phi_replacement_condition,
17913 replace_phi_with_cond_modify_expr): Likewise.
17914 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17915 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17917 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17919 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17921 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17924 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17925 array after growing it.
17927 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17929 PR middle-end/24901
17930 * fold-const.c (fold_checksum_tree): Change type of buf.
17932 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17934 * reload.c (push_secondary_reload): Initialize t_icode.
17936 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17938 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17939 -msoft-float -mlong-double-128 only issue a warning, but don't
17940 swich to DFmode long double.
17942 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17944 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17945 has a constant equivalent, iterate over equivalents for arg0,
17946 calling simplify_relational_operation and if there's a result
17947 cheaper than X, apply fold_rtx and return the result.
17949 2006-02-01 Jan Hubicka <jh@suse.cz>
17951 * opts.c (no_unit_at_a_time_default): New global variable.
17952 (decode_options): Use it.
17953 * opts.h (no_unit_at_a_time_default): Declare.
17955 2006-02-01 Paul Brook <paul@codesourcery.com>
17957 * function.c (assign_parm_setup_reg): Use function argument promotion
17959 * expr.c (expand_expr_real_1): Use function argument promotion rules
17962 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17964 * gcc.c (process_command): Change j to 'unsigned int'.
17966 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17968 PR middle-end/26001
17969 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17970 Use the corrected index for the character
17971 out of the string constant.
17973 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17975 * mode-switching.c (optimize_mode_switching): Fix size
17976 allocated for bb_info[n_entities].
17978 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17980 * gcc.c (main): Correct type that is allocated for
17981 explicit_link_files.
17983 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17985 * config/s390/s390.c (init_alignment_context): Set
17986 ALIAS_SET_MEMORY_BARRIER on the MEM.
17987 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17989 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17991 PR middle-end/25933
17992 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17994 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17997 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17999 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18000 * regrename.c: Ditto.
18001 * tree-ssa-loop-im.c: Ditto.
18002 * tree-dump.c: Ditto.
18003 * tree-complex.c: Ditto.
18004 * genrecog.c: Ditto.
18005 * tree-ssa-threadupdate.c: Ditto.
18007 * java/class.c: Ditto.
18008 * java/jcf-parse.c: Ditto.
18009 * java/resource.c: Ditto.
18010 * java/except.c: Ditto.
18011 * java/jvspec.c: Ditto.
18012 * java/jcf-write.c: Ditto.
18013 * java/jcf-path.c: Ditto.
18014 * java/gjavah.c: Ditto.
18015 * java/zextract.c: Ditto.
18016 * java/jcf-io.c: Ditto.
18017 * java/jcf.h: Ditto.
18018 * java/buffer.c: Ditto.
18019 * java/lang.c: Ditto.
18020 * java/parse-scan.y: Ditto.
18021 * java/lex.c: Ditto.
18022 * java/lex.h: Ditto.
18023 * cfgloopmanip.c: Ditto.
18024 * postreload-gcse.c: Ditto.
18025 * tree-ssa-loop-manip.c: Ditto.
18026 * postreload.c: Ditto.
18027 * tree-ssa-loop-ch.c: Ditto.
18030 * cppspec.c: Ditto.
18031 * diagnostic.c: Ditto.
18033 * genoutput.c: Ditto.
18035 * cfghooks.c: Ditto.
18036 * cfgloopanal.c: Ditto.
18037 * objc/objc-act.c: Ditto.
18039 * genextract.c: Ditto.
18040 * genautomata.c: Ditto.
18041 * pretty-print.c: Ditto.
18042 * genemit.c: Ditto.
18043 * cgraphunit.c: Ditto.
18045 * df-scan.c: Ditto.
18046 * haifa-sched.c: Ditto.
18047 * dominance.c: Ditto.
18049 * tree-ssa-loop-ivopts.c: Ditto.
18050 * df-core.c: Ditto.
18051 * mode-switching.c: Ditto.
18052 * modulo-sched.c: Ditto.
18054 * ipa-pure-const.c: Ditto.
18056 * fix-header.c: Ditto.
18058 * tree-stdarg.c: Ditto.
18059 * ipa-utils.c: Ditto.
18060 * loop-init.c: Ditto.
18061 * ipa-inline.c: Ditto.
18062 * cfganal.c: Ditto.
18064 * alloc-pool.c: Ditto.
18065 * dwarf2out.c: Ditto.
18067 * genattrtab.c: Ditto.
18068 * tree-ssa-loop-ivcanon.c: Ditto.
18069 * predict.c: Ditto.
18070 * timevar.c: Ditto.
18072 * fortran/gfortranspec.c: Ditto.
18073 * regmove.c: Ditto.
18074 * local-alloc.c: Ditto.
18075 * langhooks.c: Ditto.
18076 * function.c: Ditto.
18077 * tree-vectorizer.c: Ditto.
18079 * ipa-type-escape.c: Ditto.
18081 * tree-if-conv.c: Ditto.
18082 * profile.c: Ditto.
18084 * tree-data-ref.c: Ditto.
18085 * loop-unroll.c: Ditto.
18086 * treelang/treetree.c: Ditto.
18088 * bt-load.c: Ditto.
18089 * ggc-common.c: Ditto.
18091 * coverage.c: Ditto.
18093 * tree-cfgcleanup.c: Ditto.
18094 * tree-ssa-pre.c: Ditto.
18095 * cfgcleanup.c: Ditto.
18096 * loop-invariant.c: Ditto.
18097 * loop-iv.c: Ditto.
18098 * ipa-prop.c: Ditto.
18099 * print-tree.c: Ditto.
18100 * conflict.c: Ditto.
18101 * ggc-page.c: Ditto.
18102 * sched-deps.c: Ditto.
18103 * regclass.c: Ditto.
18104 * tree-object-size.c: Ditto.
18105 * combine.c: Ditto.
18106 * bb-reorder.c: Ditto.
18107 * resource.c: Ditto.
18108 * var-tracking.c: Ditto.
18109 * cfgloop.c: Ditto.
18110 * df-problems.c: Ditto.
18111 * reg-stack.c: Ditto.
18113 * gccspec.c: Ditto.
18114 * sched-rgn.c: Ditto.
18115 * tree-ssa-structalias.c: Ditto.
18116 * tree-ssa-reassoc.c: Ditto.
18117 * config/darwin-c.c: Ditto.
18118 * config/darwin.c: Ditto.
18119 * config/arm/arm.c: Ditto.
18121 * collect2.c: Ditto.
18122 * reload1.c: Ditto.
18124 2006-01-31 Nicolas Pitre <nico@cam.org>
18126 * arm.md (smaxsi3): Make aware of smax_m1.
18129 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18131 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18133 2006-01-31 Richard Guenther <rguenther@suse.de>
18135 * doc/invoke.texi (-msselibm): Document.
18136 * target.h (expand_library_builtin): New target hook.
18137 * builtins.c (expand_builtin): Use expand_library_builtin.
18138 (default_expand_library_builtin): New function.
18139 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18140 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18141 (link_gcc_math_spec): Declare.
18142 (static_specs): Add link_gcc_math_spec.
18143 * expr.h (default_expand_library_builtin): Declare.
18144 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18145 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18146 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18147 * config/i386/i386.opt (msselibm): New target option.
18148 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18149 (ix86_init_sse_abi_builtins): New function.
18150 (ix86_expand_library_builtin): Likewise.
18151 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18152 (override_options): Handle error conditions wrt -msselibm.
18153 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18154 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18155 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18158 2006-01-31 Richard Guenther <rguenther@suse.de>
18159 Paolo Bonzini <bonzini@gnu.org>
18161 * doc/install.texi (--disable-libgcc-math): Document.
18163 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18165 * expr.h (expand_normal): new inline function.
18166 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18167 * dojump.c: use it.
18168 * dwarf2out.c: use it.
18171 * expmed.c: use it.
18172 * except.c: use it.
18173 * config/sparc/sparc.c: use it.
18174 * config/i386/i386.c: use it.
18175 * config/rs6000/rs6000.c: use it.
18176 * config/arm/arm.c: use it.
18177 * config/mips/mips.c: use it.
18178 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18180 2006-01-30 Roger Sayle <roger@eyesopen.com>
18182 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18183 argv to the appropriate type.
18185 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18187 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18190 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18193 * config/s390/s390.c (struct machine_function): New flag
18194 decomposed_literal_pool_addresses_ok_p.
18195 (s390_reorg): Set it before final stage of literal pool transforms.
18196 (s390_decompose_address): Only accept displacements of the form
18197 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18199 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18201 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18202 the comparison routine return.
18204 2006-01-30 Michael Matz <matz@suse.de>
18206 * global.c (find_reg): Only evict for global regs.
18207 Take n_refs into account and dump more info.
18209 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18212 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18213 (pragma_trap, pragma_nosave_low_regs): Likewise.
18214 (current_function_anonymous_args): Likewise.
18215 (sh_deferred_function_attributes): New variable.
18216 (sh_deferred_function_attributes_tail): Likewise.
18217 (print_operand): For '@', look up trap_exit attribute.
18218 (calc_live_regs): Look up trapa_handler attribute. For trapa
18219 handlers, save/restore fpscr, but don't do any other
18220 interrupt-specific saves.
18221 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18222 Fix check for partially saved registers to check for SHmedia.
18223 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18224 (sh_output_function_epilogue): Don't clear any of the removed
18226 (sh_insert_attributes): Don't check pragma_interrupt.
18227 Insert deferred attributes. Check that interrupt attribute is
18228 present for other attributes that require its presence.
18229 (sh_attribute_table): Add new attributes trapa_handler and
18231 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18232 Don't check for pragma_interrupt. Don't store argument.
18233 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18234 (sh_deferred_function_attributes): Declare.
18235 (sh_deferred_function_attributes_tail): Likewise.
18236 * sh.md (sp_switch_1): Add operand. Change generator caller.
18237 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18238 (*return_i): Don't use when trap_exit attribute is in effect.
18239 (*return_trapa): New insn pattern.
18240 * sh-c.c: New file.
18241 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18242 setting c_target_objs and cxx_target_objs.
18243 * t-sh: Add rule for sh-c.o.
18245 2006-01-30 Richard Guenther <rguenther@suse.de>
18248 * gimplify.c (gimplify_target_expr): Handle easy cases
18249 without creating a temporary.
18251 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18253 * vec.h (safe_grow): Remove duplicated line.
18255 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18258 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18259 (expand_omp): ... here.
18260 (expand_omp_parallel): Only remove barriers for combined
18261 parallel+workshare constructs.
18263 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18267 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18268 * tree.c (build_qualified_type): Chain the new type to the original
18269 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18270 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18271 (build_pointer_type_for_mode): Only return unqualified types.
18272 (build_reference_type_for_mode): Likewise.
18274 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18276 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18277 * Makefile.in (CXX_COMPAT_WARN): Define.
18278 * configure: Regenerate.
18280 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18283 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18286 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18288 * toplev.c: Fix thinko.
18290 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18291 Marcin Dalecki <martin@dalecki.de>
18293 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18294 (push_srcloc): Use XNEW.
18295 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18297 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18299 * df-core.c (df_set_blocks): Deleted all variable.
18301 2006-01-28 Ian Lance Taylor <ian@airs.com>
18303 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18304 cgraph_output_pending_asms.
18306 2006-01-28 Zack Weinberg <zackw@panix.com>
18308 * c.opt: Add -W(no-)overlength-strings.
18309 * doc/invoke.texi: Document it.
18310 * c-opts.c (c_common_handle_option): -pedantic implies
18311 -Woverlength-strings, if not explicitly disabled already.
18312 (c_common_post_options): -Woverlength-strings defaults to off, and
18313 is always off for C++.
18314 * c-common.c (fix_string_type): Issue warning about strings longer
18315 than is portable only if warn_overlength_strings. Rearrange code
18316 a little for clarity.
18317 * configure.in: Check for -Wno-overlength-strings as well before
18318 enabling -pedantic in stage 1.
18319 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18320 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18322 * genconditions.c (write_header, write_one_condition)
18323 (write_conditions, write_writer): Consolidate very long strings
18324 that were broken up to fit in C89 portable limit. Don't use
18325 printf when fputs will do.
18327 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18329 * combine.c (simplify_comparison <AND>): Check
18330 TRULY_NOOP_TRUNCATION before start using a subreg.
18332 * config/mips/mips.md (*branch_zero<mode>,
18333 *branch_zero<mode>_inverted, *branch_equality<mode>,
18334 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18335 Remove mode check from comparisons.
18337 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18339 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18341 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18343 * expmed.c (const_mult_add_overflow_p): Remove.
18344 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18346 * recog.c (validate_replace_rtx_subexp): Remove.
18347 * recog.h: Remove the prototype for
18348 validate_replace_rtx_subexp.
18350 * integrate.h: Remove the prototype for
18351 copy_decl_for_inlining.
18352 * rtl.h: Remove the prototype for mark_constant_function.
18353 * tree-vectorizer.h: Remove the prototype for
18354 vect_strip_conversion.
18356 * modulo-sched.c (create_partial_schedule,
18357 free_partial_schedule, reset_partial_schedule): Make them
18360 * hooks.c (hook_bool_rtx_int_false): Remove.
18361 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18363 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18365 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18366 and -mlong-double-128 are incompatible.
18367 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18368 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18369 (TARGET_LIBGCC2_CFLAGS): Define.
18370 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18371 (TARGET_LIBGCC2_CFLAGS): Same.
18372 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18374 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18377 * c-typeck.c (build_binary_op): Perform implicit casts of
18378 operands before shortening them.
18380 * cfgloopmanip.c (split_loop_bb): Remove.
18381 * cfgloop.h: Remove the prototype for split_loop_bb.
18383 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18384 * cfgloop.h: Remove the prototype for
18385 flow_loop_outside_edge_p.
18387 * emit-rtl.c (init_virtual_regs): Make it static.
18388 * function.h: Remove the prototype for init_virtual_regs.
18390 * recog.c (peephole2_optimize): Make it static.
18391 * recog.h: Remove the prototype for peephole2_optimize.
18393 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18395 * df-scan.c (df_record_entry_block_defs): Check if
18396 INCOMING_RETURN_ADDR_RTX is defined.
18398 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18399 Kenneth Zadeck <zadeck@naturalbridge.com>
18401 PR rtl-optimization/24762
18402 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18403 * targhooks.c (hook_void_bitmap): New hook prototype.
18404 * targhoohs.h (hook_void_bitmap): Ditto.
18405 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18406 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18407 * target.h (live_on_entry): New function pointer.
18408 * df-scan.c (df_all_hard_regs): Removed.
18409 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18410 (df_scan_free_internal): Added df->entry_block_defs.
18411 (df_scan_alloc): Ditto.
18412 (df_scan_dump): Ditto.
18413 (df_uses_record): Plumbed flag field properly thru calls.
18414 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18415 This part fixes PR24762.
18416 (df_bb_refs_record): Added code to make the frame and arg
18417 pointers live in EH blocks.
18418 (df_refs_record): Added call to df_record_entry_block_defs.
18419 (df_record_entry_block_defs): New function.
18420 * df-core.c: Added comments to describe new artifical defs.
18421 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18422 (entry_block_defs): New field in struct df.
18423 (df_all_hard_regs): Deleted.
18424 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18425 * df-problems.c (df_ru_bb_local_compute_process_def):
18426 Added code to handle artifical defs in the entry to a function.
18427 (df_ru_bb_local_compute): Ditto.
18428 (df_rd_bb_local_compute_process_def): Ditto.
18429 (df_rd_bb_local_compute): Ditto.
18430 (df_lr_bb_local_compute): Ditto.
18431 (df_ur_bb_local_compute): Ditto.
18432 (df_urec_bb_local_compute): Ditto.
18433 (df_chain_create_bb): Ditto.
18434 (df_ur_local_finalize): Removed entry.
18435 (df_urec_init): Ditto.
18436 (df_urec_local_finalize): Ditto.
18437 (df_ri_bb_compute): Added detection of last use of pseudos.
18438 * Makefile.in (df-scan.o): Updated dependencies.
18439 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18440 * config/mips/mips.c (mips_set_live_on_entry): Added.
18441 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18443 * dce.c (marked_insn_p): Added code to handle artifical defs.
18445 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18447 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18449 (_mm_cvtsi128_si64): Likewise.
18450 (_mm_cvtsd_si64): Likewise.
18451 (_mm_cvttsd_si64): Likewise.
18452 (_mm_cvtsi64_sd): Likewise.
18453 (_mm_cvtsi64_si128): Likewise.
18454 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18455 (_mm_cvtsi64_m64): Likewise.
18456 (_m_to_int64): Likewise.
18457 (_mm_cvtm64_si64): Likewise.
18458 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18459 (_mm_cvttss_si64): Likewise.
18460 (_mm_cvtsi64_ss): Likewise.
18461 (_mm_cvtss_f32): Likewise.
18463 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18465 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18466 for pragma redefine_extname.
18468 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18471 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18472 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18473 -mno-minimal-toc to previous content.
18474 (bispecs): Remove goal.
18475 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18476 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18477 compatibility aliases on powerpc-*-*gnu*.
18478 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18479 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18480 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18481 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18482 (ldblspecs): New goal.
18483 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18484 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18486 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18487 L_sf_to_tf or L_df_to_tf is defined.
18489 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18490 Alan Modra <amodra@bigpond.net.au>
18493 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18494 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18495 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18496 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18497 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18498 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18499 (rs6000_override_options): Initialize rs6000_ieeequad.
18500 Initialize TFmode format to ibm_extended_format if not
18502 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18504 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18505 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18506 (function_arg_advance): IBM long double passed in two FPRs, not
18508 (function_arg): IBM long double passed in FPRs.
18509 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18510 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18511 Only multireg GPR aligned.
18512 (rs6000_init_libfuncs): Enable IBM long double functions if not
18514 (rs6000_generate_compare): Use IBM long double compare if not
18516 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18517 (TARGET_IEEEQUAD): Define.
18518 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18519 not TARGET_IEEEQUAD.
18520 * config/rs6000/rs6000.md: Enable TFmode patterns if
18522 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18523 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18524 and -mlong-double-128 are incompatible.
18525 * doc/invoke.texi (-mabi): Collect options together. Add
18526 ibmlongdouble and ieeelongdouble.
18528 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18530 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18532 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18533 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18534 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18535 * rtl.h (rtunion_def): Remove rt_ptr.
18537 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18538 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18539 * config/i386/winnt.c (i386_pe_mark_dllexport)
18540 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18542 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18544 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18546 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18550 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18551 pthread_key_delete. From John David Anglin. gthrw-ify
18552 pthread_getunique_np only if it it's not a macro. Delete
18554 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18555 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18556 __gthread_objc_condition_signal, __gthread_key_delete): Add
18557 "__attribute__ ((__unused__))" to unused arguments.
18558 (__gthread_recursive_mutex_init_function): Add missing return.
18559 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18560 gthr-posix95.h: Use macro-based approach for name redirection
18561 on targets missing weakref.
18563 2006-01-26 Zack Weinberg <zackw@panix.com>
18565 * genconditions.c (write_header): In generated code, #ifdef out
18566 all includes and fake declarations, except includes of bconfig.h
18567 and system.h, unless GCC_VERSION >= 3001. Do not include
18568 gensupport.h in any case.
18569 (write_conditions): Generate a definition of struct c_test. Add
18570 a comment to the generated #endif.
18571 (write_one_condition): Escape backslashes in string too.
18572 (write_writer): Generated code must escape backslashes and quote
18573 marks (but not newlines) in the strings it writes.
18574 * Makefile.in (build/gencondmd.o): Update dependencies.
18576 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18579 * Makefile.in (insn-automata.o): Add header file dependencies.
18580 * genautomata.c: Add includes.
18582 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18585 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18587 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18589 * configure.ac: Expect target tools paths to be passed from the toplevel
18590 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18592 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18594 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18597 * c.opt (Wpointer-sign): Init to -1.
18598 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18599 OPT_pedantic, to 0 otherwise.
18600 * doc/invoke.texi: Update.
18602 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18604 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18605 constants provided by 80387 instructions in the destination mode.
18607 2006-01-26 Richard Guenther <rguenther@suse.de>
18608 Andrew Pinski <pinskia@physics.uc.edu>
18611 partial PR tree-opt/17064
18612 * tree-ssa-structalias.c (intra_create_variable_infos):
18613 Create heap variables for incoming parameters if
18614 flag_argument_noalias > 1.
18615 (find_what_p_points_to): Look through default defs of
18618 2006-01-26 Jeff Law <law@redhat.com>
18621 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18622 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18623 within the VR_RANGE, use the VR_RANGE as the result, not the
18625 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18626 bounds for the type.
18628 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18630 * tree-ssa-alias.c (maybe_create_global_var): Change
18631 subvar walking to an assertion that we don't have subvar'd variables.
18633 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18636 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18637 Use a new variable, inner. PARM_DECLs are always non-weak.
18639 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18641 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18642 --disable-checking.
18644 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18646 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18648 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18650 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18651 (smax_insn, smin_insn, smax_0, smin_0): New.
18653 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18656 * config/cris/cris.c (cris_order_for_addsi3): New function.
18657 * config/cris/cris-protos.h: Prototype it.
18658 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18659 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18660 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18661 (split for "op.S1 [rx=rx+i],ry (swapped)")
18662 (split for "op(s|u).S1 [rx=rx+i],ry")
18663 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18664 Apply cris_order_for_addsi3 when generating addsi3 insns.
18666 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18668 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18669 (TREE_BLOCK): Add call to EXPR_CHECK.
18671 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18674 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18675 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18676 (dump_omp_clauses): ... here.
18677 (dump_generic_node): Handle OMP_CLAUSE.
18678 * tree.c (omp_clause_num_ops): New.
18679 (omp_clause_code_name): New.
18680 (tree_code_size): Handle OMP_CLAUSE.
18681 (tree_size): Likewise.
18682 (make_node): Document handling of OMP_CLAUSE.
18683 (tree_node_structure): Handle OMP_CLAUSE.
18684 (omp_clause_check_failed): New.
18685 (omp_clause_range_check_failed): New.
18686 (omp_clause_operand_check_failed): New.
18687 (build_omp_clause): New.
18688 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18689 * tree.h (enum omp_clause_code): Declare.
18690 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18691 (OMP_CLAUSE_RANGE_CHECK): Define.
18692 (OMP_CLAUSE_ELT_CHECK): Define.
18693 (omp_clause_check_failed): Declare.
18694 (omp_clause_operand_check_failed): Declare.
18695 (omp_clause_range_check_failed): Declare.
18696 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18697 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18698 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18699 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18700 (OMP_CLAUSE_IF_EXPR): Likewise.
18701 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18702 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18703 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18704 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18705 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18706 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18707 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18708 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18709 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18710 (OMP_CLAUSE_CODE): Define.
18711 (OMP_CLAUSE_SET_CODE): Define.
18712 (OMP_CLAUSE_CODE): Define.
18713 (OMP_CLAUSE_OPERAND): Define.
18714 (struct tree_omp_clause): Declare.
18715 (union tree_node): Add field 'omp_clause'.
18716 * treestruct.def (TS_OMP_CLAUSE): Define.
18717 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18718 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18719 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18720 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18721 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18722 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18723 (OMP_CLAUSE): Define.
18724 * print-tree.c (print_node): Handle OMP_CLAUSE.
18725 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18726 * c-typeck.c: Likewise.
18727 * gimplify.c: Likewise.
18728 * c-omp.c: Likewise.
18729 * tree-nested.c: Likewise.
18730 * tree-inline.c: Likewise.
18731 * c-parser.c: Likewise.
18732 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18735 2006-01-25 Roger Sayle <roger@eyesopen.com>
18737 PR rtl-optimization/25703
18738 * combine.c (try_combine): Handle zero_extract and strict_low_part
18739 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18741 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18743 * global.c: Fix comment typos.
18745 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18748 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18749 Use output_addr_const instead of assemble_name.
18751 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18753 * Makefile.in (sched-vis.o): Update dependencies.
18754 * haifa-sched.c (sched_finish): Clear current_sched_info.
18755 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18756 (dump_flow_info): Call it.
18757 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18759 * basic-block.h (dump_bb_info): Declare.
18760 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18761 option, and apply options only for dump files whose TDF_RTL,
18762 TDF_TREE, or TDF_IPA bits match.
18763 * rtl.h: Declare new functions exported from sched-vis.c.
18764 * sched-vis.c: Enable also if scheduling is not used.
18765 (print_value): Print the mode of registers if not inside scheduling.
18766 (print_insn): Make it work outside the scheduler. Beautify the output
18768 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18770 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18772 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18773 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18774 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18775 depending on the value of CONSTANT_POOL_ADDRESS_P.
18776 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18778 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18779 rather than SYMBOL_REF_DECL.
18780 (rtx_constant_pool): Remove const_rtx_sym_htab.
18781 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18782 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18783 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18784 Remove handling of const_rtx_sym_htab.
18785 (find_pool_constant): Delete.
18786 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18787 rather than find_pool_constant.
18788 (get_pool_constant_for_function): Delete.
18789 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18790 find_pool_constant.
18791 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18792 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18793 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18794 (SYMBOL_REF_CONSTANT): New macro.
18795 (get_pool_constant_for_function): Delete.
18796 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18797 rather than SYMBOL_REF_DECL.
18798 (i386_pe_mark_dllimport): Likewise.
18799 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18800 rather than SYMBOL_REF_DECL.
18801 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18802 (machopic_indirect_call_target): Likewise.
18804 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18806 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18808 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18810 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18812 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18814 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18816 2006-01-24 David Daney <ddaney@avtrex.com>
18819 * configure.ac (enable_tls): New enable option.
18820 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18821 * configure: Regenerate.
18822 * doc/install.texi (--enable-tls): Document new option.
18823 (--disable-tls): Ditto.
18825 2006-01-24 Richard Henderson <rth@redehat.com>
18827 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18828 * alias.c (true_dependence): Respect it.
18829 (canon_true_dependence, write_dependence_p): Likewise.
18830 * builtins.c (get_builtin_sync_mem): Set it.
18832 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18834 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18837 2006-01-24 DJ Delorie <dj@redhat.com>
18839 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18840 for storing constants in single-bit bitfields.
18842 2006-01-25 Ben Elliston <bje@au.ibm.com>
18844 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18846 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18849 * tree-ssa-pre.c (phi_translate): Return NULL
18850 for AGGREGATE_TYPE's.
18852 2006-01-24 Zack Weinberg <zackw@panix.com>
18854 * genautomata.c (process_state_for_insn_equiv_partition):
18855 Use xcalloc for insn_arcs_array.
18856 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18857 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18859 2006-01-24 Richard Henderson <rth@redhat.com>
18861 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18862 update all callers.
18864 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18866 PR rtl-optimization/25890
18867 PR rtl-optimization/25905
18868 * combine.c (expand_compound_operation, expand_field_assignment):
18869 Fail if the bitfield's final position is out of bounds.
18871 2006-01-24 Ian Lance Taylor <ian@airs.com>
18873 PR middle-end/25930
18874 * cgraphunit.c (cgraph_output_in_order): Don't clear
18875 cgraph_asm_nodes until after asm strings have been output.
18877 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18879 * fix-header.c (read_scan_file): Add new parameter imultilib when
18880 calling register_include_chains.
18882 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18884 * omp-low.c: Update documentation.
18886 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18887 Daniel Berlin <dberlin@dberlin.org>
18891 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18892 return from the function.
18894 2006-01-22 Zack Weinberg <zackw@panix.com>
18896 * rtl.def (match_code): Add second argument.
18897 * genpreds.c (write_extract_subexp): New function.
18898 (write_match_code): Add path argument. Use write_extract_subexp.
18899 (write_predicate_expr): Pass path to write_match_code.
18900 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18901 not perform a mode test.
18902 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18903 a subexpression does not constrain the top-level code set.
18904 * read-rtl.c (read_rtx_variadic): New function.
18905 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18906 * doc/md.texi: Document new notation.
18907 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18908 (cmpsi_operand): ... here, using new notation.
18910 2006-01-22 Zack Weinberg <zackw@panix.com>
18912 * varray.c: Remove GENERATOR_FILE #ifdefs.
18914 2006-01-22 Zack Weinberg <zackw@panix.com>
18916 * genautomata.c (output_reserved_units_table): Emit nothing if
18917 description->query_units_num is zero. Remove extra blank line.
18918 (output_cpu_unit_reservation_p): Short circuit
18919 if description->query_units_num is zero.
18921 2006-01-22 Zack Weinberg <zackw@panix.com>
18923 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18924 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18925 nor any of the random handful of variables that used to be necessary
18926 when this program was linked with rtlanal.o. Prune set of forward
18927 function declarations.
18928 (struct attr_desc): Remove static_p field.
18929 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18930 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18931 (attr_string): Do not read the character one past the length of
18933 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18934 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18935 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18936 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18937 (make_automaton_attrs): New.
18938 (main): Do not call into genautomata. Call local gen_bypass
18939 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18940 Remove special case for insn_alts.
18941 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18942 varray.h (leftover from previous change). Prune set of forward
18943 function declarations. Remove state_alts fields from all
18944 structures. Remove state_alts_table from struct automaton.
18945 Make everything except main static. Do not maintain num_dfa_decls.
18946 Do not maintain state_alts fields of various structures.
18947 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18948 (add_arc): Remove state_alts argument. All callers updated.
18949 (output_reserved_units_table): Emit #ifdef here...
18950 (output_tables): ...not here. Don't generate state_alts tables.
18951 (expand_automata): Don't generate attributes.
18952 (write_automata): Don't generate state_alts functions.
18953 (main): New function.
18954 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18955 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18956 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18957 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18958 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18959 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18960 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18961 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18963 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18964 * genattrtab.h: Delete file.
18965 * Makefile.in (OBJS-common): Add insn-automata.o.
18966 (insn-automata.o): New rule.
18967 (simple_generated_c): Add insn-automata.c.
18968 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18969 (genprogmd): Add automata.
18970 (build/genattrtab): Needs no extra objects nor libraries.
18971 (build/genautomata): Needs build/vec.o and -lm.
18973 2006-01-22 Zack Weinberg <zackw@panix.com>
18975 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18976 (output_dfa_max_issue_rate, locked_states_num): Delete.
18977 (struct automaton): Add locked_states field.
18978 (output_dead_lock_vect): Save number of locked states in
18979 automaton->locked_states. If it is zero, don't print anything.
18980 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18981 (output_internal_dead_lock_func): Only test the dead_lock_vect
18982 for automata that have locked states.
18983 (output_statistics): Always print the number of locked states for
18984 each automaton. Calculate total number of locked states here.
18985 (write_automata): Don't call output_dfa_max_issue_rate.
18986 * genattrtab.c: Define length_unit_log as a const variable.
18987 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18988 max_insn_queue_index const.
18989 * final.c (length_unit_log): Declare const.
18990 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18992 2006-01-22 Zack Weinberg <zackw@panix.com>
18994 * genautomata.c: Include vec.h, not varray.h.
18995 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18996 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18997 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18998 VEC_* macros operating on appropriately typed vectors, or to
18999 malloced arrays when the size is known in advance. Const-ify
19000 many char* variables and function arguments. No functional changes.
19001 * Makefile.in (build/varray.o): Delete rule.
19002 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19003 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19005 2006-01-22 Zack Weinberg <zackw@panix.com>
19007 * gensupport.c: Define get_insn_name and record_insn_name here.
19008 (read_md_rtx): Call record_insn_name as appropriate.
19009 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19010 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19011 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19013 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19014 (BUILD_VARRAY): Delete.
19015 (genprognormal): Rename genprogmd. Fold in all programs from
19016 genprognoprint; also attrtab.
19017 (build/genattrtab): Just mention genautomata.o and varray.o.
19018 Reorganize a bit, add comments to make the categories clearer.
19020 2006-01-22 Zack Weinberg <zackw@panix.com>
19022 * genconditions.c (condition_table, add_condition): Delete.
19023 (write_conditions): Don't emit n_insn_conditions nor
19024 insn_elision_unavailable. Issue the gcc version #ifdef here,
19025 inside the table, with no #else clause ...
19026 (write_header): ...not here.
19027 (write_writer): New function.
19028 (main): Don't initialize condition_table. Use add_c_test.
19030 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19031 files on the command line.
19032 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19033 Return -1 if there is no entry in the table, don't abort.
19034 (add_c_test, traverse_c_tests): New functions.
19035 * gensupport.h (insn_elision_unavailable, insn_conditions)
19036 (n_insn_conditions): Delete declarations.
19037 (add_c_test, traverse_c_tests): Declare.
19038 * read-rtl.c: Include gensupport.h.
19039 (read_conditions): New function.
19040 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19041 (read_rtx_1): If we get EOF when we were looking for an initial
19042 open paren, return 0. Call read_conditions when appropriate.
19043 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19044 dummy-conditions.o. Eliminate references to insn-conditions.o,
19045 or change them to build/gencondmd.o, as appropriate. Remove
19046 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19047 from $(simple_generated_c). For all files remaining in those
19048 two lists, add insn-conditions.md to the generator command line.
19049 Give insn-constants.h/s-constants their own rules. Add rules
19050 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19051 (build/read-rtl.o): Depend on gensupport.h.
19052 (genprognormal): Include preds.
19053 (genprogearly): Rename genprognoprint; only difference is now that
19054 they don't link with $(BUILD_PRINT).
19055 * dummy-conditions.c: Delete.
19057 2006-01-22 Zack Weinberg <zackw@panix.com>
19059 * genextract.c: Don't include insn-config.h. Do include vec.h.
19060 Declare vectors of int, char, and locstr.
19061 (locstr): New typedef.
19062 (struct extraction): Make all array fields into bare pointers.
19063 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19064 (insn_code_number): Delete.
19065 (accum_extract): New struct.
19066 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19067 (gen_insn): Take insn_code_number as an argument. Use an
19068 accum_extract structure instead of loading data directly into
19069 a struct extraction, and having to know how big it might get.
19070 (walk_rtx): Operate entirely on an accum_extract structure.
19071 (print_path): Avoid unnecessary use of printf.
19072 (print_header): New function, split out of main. Distinguish
19073 more carefully between an unrecognizable insn and an insn that
19074 has the code number of a define_expand.
19075 (main): Pass insn_code_number to gen_insn. Call print_header
19076 only after parsing. Avoid unnecessary use of printf.
19077 * Makefile.in (build/vec.o): New rule.
19078 (build/genextract): Depend on build/vec.o.
19079 (build/genextract.o): Don't depend on insn-config.h.
19081 2006-01-22 Zack Weinberg <zackw@panix.com>
19083 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19084 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19085 practical. Eliminate per-generator-program link rules.
19087 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19089 PR middle-end/24437
19090 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19091 with a call expr to ...
19092 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19094 2006-01-23 Richard Guenther <rguenther@suse.de>
19096 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19097 before make_edge with conditional EDGE_TRUE_VALUE.
19099 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19100 Jan Hubicka <jh@suse.cz>
19101 Richard Guenther <rguenther@suse.de>
19103 PR rtl-optimization/25654
19104 * cfgexpand.c (aggregate_contains_union_type): New function.
19105 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19106 for structure variables that contain a union type.
19108 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19110 * gengtype.c (new_structure): Return the structure.
19111 (create_option): Add an extra "next" argument.
19112 (create_field): New function.
19113 (adjust_field_rtx_def): Use create_option and create_field.
19114 Remove a now-unnecessary call to find_structure.
19115 (adjust_field_tree_def): Likewise.
19116 (note_yacc_type): Remove an unnecessary call to find_structure.
19117 * gengtype.h (new_structure): Return the structure.
19118 (create_option): Add an extra argument.
19119 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19120 (option): Adjust calls to create_option.
19122 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19124 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19126 2006-01-22 Paul Brook <paul@codesourcery.com>
19127 Peter Barada <peter@the-baradas.com>
19129 * config/m68k/m68k.md: Add Coldfire FPU support.
19130 Define FP mode macro and associated attributes.
19131 Use it for float mode patterns.
19132 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19133 (LIBCALL_VALUE): Use m68k_libcall_value.
19134 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19135 (m68k_function_value): Ditto.
19136 (emit_move_sequence): Ditto.
19137 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19138 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19139 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19140 (MULTILIB_EXCEPTIONS): Ditto.
19141 * config/m68k/m68k.opt: Add mcfv4e.
19142 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19143 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19144 (m68k_output_function_prologue): Save ColdFire FPU registers.
19145 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19146 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19147 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19148 ColdFire FPU registers.
19149 (m68k_libcall_value, m68k_function_value): New functions.
19150 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19151 (LIBCALL_VALUE): Use m68k_libcall_value.
19152 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19153 (MASK_COLDFIRE): Add MASK_CFV4E.
19154 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19155 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19156 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19157 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19158 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19159 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19160 * doc/invoke.tex: Document -mcfv4e on m68k.
19162 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19164 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19167 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19170 * c-opts.c (c_common_handle_option): Don't include
19171 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19172 * doc/invoke.texi (C++ Dialect Options): Document that
19173 -Wnon-virtual-dtor is no longer included in -Wall.
19175 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19177 * gcov.c (print_version), gcov-dump.c (print_version),
19178 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19181 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19183 * df-scan.c (problem_SCAN): Added NULL reset function.
19184 (df_scan_reset_blocks): Added code to call reset block function
19185 (df_bb_refs_delete) Fixed comment.
19186 (df_insn_refs_delete): Made tolerant of deleting non existent info
19187 for dataflow problems that need to be reset.
19188 * df-core.c (df_set_blocks): Ditto.
19189 * df.h (struct df_problem): Added reset_fun.
19190 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19191 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19192 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19193 functions to clear out all references to def-use or use-def chains.
19195 2006-01-21 Ben Elliston <bje@au.ibm.com>
19197 * varasm.c (assemble_real): Initialise data array.
19199 2006-01-20 Paul Brook <paul@codesourcery.com>
19201 Merge from csl-arm-branch.
19202 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19203 * config/arm/arm.md (movdi): Force operands[1] to a register
19204 if we have a non-register source.
19205 (*arm_movdi, *movdf_soft_insn): Require that one of the
19206 operands be a register.
19207 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19208 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19210 2006-01-20 DJ Delorie <dj@redhat.com>
19212 * varasm.c (initializer_constant_valid_p): Allow pointers
19213 initialized from integer constants of lesser precision.
19214 (output_constant): Allow non-int-sized pointer modes to be
19215 initialized from integer constants.
19217 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19220 * cppdefault.h (struct default_include): Add multilib flag.
19221 * cppdefault.c (cpp_include_defaults): Set it.
19222 * c.opt (-imultilib): New option.
19223 * c-opts.c (imultilib): New.
19224 (c_common_handle_option): Handle -imultilib.
19225 (c_common_post_options): Likewise.
19226 * c-incpath.c (add_standard_paths, register_include_chains):
19228 * c-incpath.h (register_include_chains): Add extra parameter.
19229 * gcc.c (do_spec_1): Generate -imultilib option.
19230 (The Specs Language): Update %I description.
19231 (process_command): Update copyright notice.
19232 * doc/cppopts.texi (-imultilib): Document.
19233 * doc/invoke.texi (-imultilib): Include in option summary.
19234 (%I): Update specs documentation.
19236 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19238 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19240 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19242 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19245 2006-01-20 Richard Guenther <rguenther@suse.de>
19246 Steven Bosscher <stevenb.gcc@gmail.com>
19248 PR rtl-optimization/24626
19249 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19250 EDGE_TRUE_VALUE if in RTL mode.
19253 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19254 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19256 2006-01-20 Dirk Mueller <dmueller@suse.com>
19259 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19260 instead of a special NOP marker.
19261 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19262 NOP marker handling.
19263 * c-common.h (empty_body_warning): Add forward declaration.
19264 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19265 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19267 2006-01-20 Paul Brook <paul@codesourcery.com>
19269 * Makefile.in (lang_checks): Keep going if mkdir fails.
19271 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19273 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19274 be able to clean out basic block when not necessary.
19275 (df_scan_free): Fixed to properly delete information if df is
19276 unused before calling df_finish.
19277 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19278 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19280 (df_bb_refs_delete): New function.
19281 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19282 * df-core.c (df_set_blocks): Added code to properly clean out
19283 unused blocks if they are not part of the blocks to consider.
19284 Added additional null check.
19285 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19286 be able to clean out basic block when not necessary
19287 * df.h (df_free_bb_function): Ditto.
19288 (df_bb_refs_delete): New function.
19289 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19290 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19291 basic block parameter to be able to clean out basic block when not
19293 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19294 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19295 Fixed to properly delete information if df is unused before
19298 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19300 PR rtl-optimization/25799
19301 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19302 Corrected confluence operator to remove bits from op2 before oring
19303 with op1 rather than removing bits from op1.
19304 (df_ru_transfer_function): Corrected test on wrong bitmap which
19305 caused infinite loop. Both of these problems were introduced in
19306 the dataflow rewrite.
19308 2006-01-19 DJ Delorie <dj@redhat.com>
19310 * reload1.c (find_reload_regs): Note the details of reload
19311 failures in the dump file.
19312 (spill_failure): Likewise.
19314 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19316 * loop-iv.c: Include df.h and hashtab.h.
19317 (enum iv_grd_result): New enum.
19318 (DF_REF_IV, DF_REF_IV_SET): New macros.
19319 (struct biv_entry): New.
19320 (df, bivs): New global variables.
19321 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19322 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19324 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19325 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19326 analyzed_for_bivness_p, record_biv): New functions.
19327 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19328 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19329 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19331 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19333 (iv_number_of_iterations): Use new interface to iv analysis.
19334 * loop-unroll.c: Do not include varray.h.
19335 (analyze_iv_to_split_insn): Use new interface to iv
19337 * loop-unswitch.c (may_unswitch_on): Ditto.
19338 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19340 (df_bb_modify): Realloc tables to the new index.
19341 (df_find_use): New function.
19342 * df.h (df_find_use): Declare.
19343 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19345 * cfgloop.h (struct rtx_iv): Remove analysed field.
19346 (iv_get_reaching_def): Removed.
19347 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19348 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19349 (loop-iv.o): Add df.h and hashtab.h dependency.
19350 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19352 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19355 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19357 (__floatundisf, __floatundidf): Likewise.
19358 * libgcc2.h (IS_IBM_EXTENDED): Define.
19360 2006-01-19 DJ Delorie <dj@redhat.com>
19362 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19364 2006-01-19 Paul Brook <paul@codesourcery.com>
19366 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19367 as nothrow when unwinding tables are disabled.
19369 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19372 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19373 of bit-field" when in system header.
19375 2006-01-19 DJ Delorie <dj@redhat.com>
19377 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19378 the 16 bit shift limit of the m16c.
19380 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19383 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19384 * config/i386/i386.c (output_set_got): Output the label if we have one
19385 for the TARGET_DEEP_BRANCH_PREDICTION case.
19387 2006-01-19 Jan Hubicka <jh@suse.cz>
19388 H.J. Lu <hongjiu.lu@intel.com>
19389 Evandro Menezes <evandro.menezes@amd.com>
19391 * invoke.texi (generic): Document
19393 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19394 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19395 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19396 (x86_use_incdec, x86_pad_returns): New variables
19397 (TARGET_CPU_DEFAULT_generic): New constant
19398 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19399 (enum processor_type): Add generic32 and generic64.
19400 * i386.md (cpu attribute): Add generic32/generic64
19401 (movhi splitter): Behave sanely when both partial_reg_dependency and
19402 partial_reg_stall are set.
19403 (K8 splitters): Enable for generic as well.
19404 * predicates.md (incdec_operand): Use TARGET_INCDEC
19405 (aligned_operand): Avoid memory mismatch stalls.
19406 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19407 * ppro.md: Enable for generic32
19408 * i386.c (generic64_cost, generic32_cost): New.
19409 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19410 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19411 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19412 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19413 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19414 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19415 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19416 x86_accumulate_outgoing_args, x86_prologue_using_move,
19417 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19418 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19419 Enable for generic.
19420 (x86_use_incdec, x86_pad_returns): New.
19421 (override_options): Add generic32 and generic64, translate "generic"
19422 to generic32/generic64 and "i686" to "generic32", refuse
19423 "generic32"/"generic64" as arch target.
19424 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19425 (ix86_reorg): Honor PAD_RETURNS.
19427 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19429 * tree-pretty-print.c (dump_generic_node): Handle
19430 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19431 * cgraph.c (cgraph_expand_queue): Rename from
19432 cgraph_analyze_queue. Update all users.
19433 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19434 cgraph_expand_queue.
19435 (cgraph_expand_all_functions): Likewise.
19436 (cgraph_finalize_pending_functions): Remove. Update callers.
19438 * tree.h (OMP_DIRECTIVE_P): Define.
19439 (OMP_PARALLEL_FN): Define.
19440 (OMP_PARALLEL_DATA_ARG): Define.
19441 (OMP_SECTIONS_SECTIONS): Define.
19442 * tree-pass.h (pass_expand_omp): Declare.
19443 * omp-low.c (struct omp_region): Declare.
19444 (struct omp_context): Remove fields 'parallel_type',
19445 'parallel_start_ix' and 'parallel_start_additional_args'.
19447 (struct omp_for_data): Rename from struct expand_omp_for_data.
19448 (omp_regions): New static variable.
19449 (root_omp_region): New static variable.
19450 (find_omp_clause): Make static.
19451 (is_in_combined_parallel_ctx): Remove.
19452 (is_combined_parallel): New.
19453 (extract_omp_for_data): Move earlier in the file.
19454 (workshare_safe_to_combine_p): New.
19455 (get_ws_args_for): New.
19456 (determine_parallel_type): Move earlier in the file.
19457 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19459 (omp_copy_decl): Likewise.
19460 (create_omp_child_function): Likewise.
19461 (lookup_omp_region): New.
19462 (dump_omp_region): New.
19463 (debug_omp_region): New.
19464 (debug_all_omp_regions): New.
19465 (new_omp_region): New.
19466 (scan_omp_parallel): If parallel_nesting_level > 1, the
19467 directive is nested within another parallel directive.
19468 Set OMP_PARALLEL_FN.
19469 (scan_omp_for): Do not try to handle combined parallel+for
19471 Remove FIXME comment.
19472 (scan_omp_nested): Remove.
19473 (scan_omp_1): Do not call scan_omp_nested when
19474 parallel_nesting_level is > 1.
19475 Do not change the DECL_CONTEXT of local variables found.
19476 (lookup_decl_in_outer_ctx): New.
19477 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19478 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19479 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19480 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19481 If CTX is nested, lookup VAR in the outer context when
19482 building copy assignment.
19483 (lower_send_clauses): Rename from expand_send_clauses.
19484 If CTX is nested, lookup VAR in the outer context when
19485 building copy assignments.
19486 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19487 If CTX is nested, lookup VAR in the outer context when
19488 building copy assignments.
19489 (expand_parallel_call): Rename from build_parallel_call.
19490 Handle combined parallel+workshare cases.
19491 Re-implement to emit code into the CFG.
19493 (expand_omp_parallel): Re-implement to emit code into the CFG.
19494 Call move_sese_region_to_fn to outline the sub-graph
19495 containing the parallel region.
19496 (expand_omp_for_1): Remove.
19497 (expand_omp_for_generic): Re-implement to emit code into the
19499 (expand_omp_for_static_nochunk): Likewise.
19500 (expand_omp_for_static_chunk): Likewise.
19501 (expand_omp_for): Likewise.
19502 (expand_omp_sections): Likewise.
19503 (remove_exit_barriers): New.
19504 (expand_omp_synch): New.
19506 (build_omp_regions_1): New.
19507 (build_omp_regions): New.
19508 (execute_expand_omp): New.
19509 (gate_expand_omp): New.
19510 (pass_expand_omp): Define.
19511 (lower_omp_sections): Rename from expand_omp_sections.
19512 Set OMP_SECTIONS_SECTIONS.
19513 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19514 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19515 (lower_omp_single): Rename from expand_omp_simple.
19516 (lower_omp_master): Rename from expand_omp_master.
19517 (lower_omp_ordered): Rename from expand_omp_ordered.
19518 (lower_omp_critical): Rename from expand_omp_critical.
19519 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19520 (lower_omp_for): Re-implement.
19521 (lower_omp_parallel): Re-implement.
19522 (lower_regimplify): Rename from expand_regimplify.
19523 (lower_omp_1): Rename from expand_omp_1.
19524 If there are syntax errors in the program, replace every
19525 OpenMP directive with NOP.
19526 Call lower_omp_* instead of expand_omp_*.
19527 (lower_omp): Rename from expand_omp.
19529 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19530 * tree-gimple.h (enum omp_parallel_type): Remove.
19531 (gimple_boolify): Declare extern.
19532 (find_omp_clause, determine_parallel_type): Remove.
19534 * gimple-low.c (lower_omp_directive): New.
19535 (lower_stmt): Call it.
19536 (record_vars_into): Move from ...
19537 (record_vars): ... here.
19538 Call record_vars_into with current_function_decl.
19540 * gimplify.c (struct gimplify_ctx): Remove fields
19541 combined_pre_p and combined_ctxp. Update users.
19542 (get_formal_tmp_var): Add documentation.
19543 (gimple_boolify): Make extern.
19544 (gimplify_expr_in_ctx): Remove. Update callers.
19545 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19546 will always be a BIND_EXPR.
19547 (gimplify_expr): Handle OMP_RETURN_EXPR.
19548 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19549 (OMP_PARALLEL): Add 3 operands.
19550 (OMP_SECTIONS): Add 1 operand.
19551 (OMP_RETURN_EXPR): Define.
19553 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19554 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19555 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19556 creating a circular free list.
19557 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19559 * tree-flow.h (move_sese_region_to_fn): Declare.
19560 (record_vars_into): Declare.
19561 * tree-cfg.c (make_omp_sections_edges): New.
19562 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19563 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19564 OMP_SECTIONS and OMP_SECTION.
19565 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19566 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19567 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19568 (gather_blocks_in_sese_region): New.
19569 (struct move_stmt_d): Declare.
19570 (move_stmt_r): New.
19571 (move_block_to_fn): New.
19572 (move_sese_region_to_fn): New.
19574 * passes.c (init_optimization_passes): Schedule
19575 pass_expand_omp after pass_init_datastructures.
19577 * tree-ssa-operands.c (get_expr_operands): Handle
19578 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19579 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19581 2006-01-19 Jeff Law <law@redhat.com>
19583 * tree-vrp.c (extract_range_from_assert): Refine the result range
19584 if the variable referenced by the ASSERT_EXPR has a range and
19585 either the tentative result range or the previous range is a
19588 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19590 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19592 2006-01-19 Jan Hubicka <jh@suse.cz>
19594 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19596 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19598 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19599 (expand_compound_operation, expand_field_assignment): Fail if the
19600 bit lengths of an extract operation are out of range.
19601 (make_extraction): Compute wanted_inner_mode based on the position
19602 and length of the extraction. Make it extraction_mode for non-constant
19603 positions, and do not modify offset in that case. When generating a
19604 new MEM, use a mode that can hold the extraction while keeping correct
19605 alignment. Remove code that supported MEMs wrapped by USEs.
19606 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19608 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19610 * config/s390/s390.md ("Y", "y"): New mode attribute.
19611 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19612 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19613 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19614 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19615 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19616 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19617 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19618 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19619 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19620 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19621 "addsi3", "subsi3"): Insn patterns removed.
19622 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19623 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19624 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19625 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19626 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19627 "*sub<mode>3_cconly2"): New insn patterns.
19628 ("addsi3", "subsi3"): New expanders.
19630 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19632 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19633 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19634 existing STMT_VINFO_VECTYPE if available.
19635 (vect_mark_relevant): Add special handling for stmts that are
19636 marked as STMT_VINFO_IN_PATTERN_P.
19637 (vect_analyze_loop): Call vect_pattern_recog.
19638 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19639 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19641 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19642 (vect_recog_func_ptr): New function-pointer type.
19643 * tree-vect-patterns.c: New file.
19644 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19645 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19646 (vect_pattern_recog_1): New functions.
19647 (vect_pattern_recog_funcs): New array of function pointers.
19649 * tree-vectorizer.h (ternary_op): New enum value.
19650 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19651 declaration. Revised documentation. Removed redundant dump prints.
19652 Removed redundant argument. Added support for reduction patterns.
19653 (vectorizable_reduction): Added support for reduction patterns.
19654 (vect_transform_stmt): Added support for patterns.
19656 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19657 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19658 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19659 (expand_widen_pattern_expr): New function.
19660 (init_optabs): Initialize new optabs udot_prod_optab,
19662 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19663 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19664 (expand_widen_pattern_expr): New function declaration.
19665 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19667 * tree-inline.c (estimate_num_insns_1): Added cases for new
19668 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19669 * tree-pretty-print.c (dump_generic_node): Likewise.
19670 (op_prio): Likewise.
19671 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19672 * tree-ssa-operands.c (get_expr_operands): Added case for
19674 * tree-vect-patterns.c (widened_name_p): New function.
19675 (vect_recog_dot_prod_pattern): Added function implementation.
19676 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19677 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19678 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19679 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19681 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19682 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19683 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19684 (init_optabs): Initialize new optabs widen_ssum_optab,
19686 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19687 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19688 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19689 use instead of type of def.
19690 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19691 function implementation.
19692 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19693 widen_ssumv8hi): New.
19695 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19698 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19701 * c-decl.c (add_flexible_array_elts_to_size): New function.
19702 (finish_decl): Use it.
19704 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19706 * diagnostic.h: Include options.h.
19707 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19708 dependancies for diagnostic.h.
19709 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19711 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19713 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19714 (ssa_ro_call_cache_valid): Ditto.
19715 * tree-ssa-alias.c (sort_tags_by_id): New function.
19716 (init_transitive_clobber_worklist): Ditto.
19717 (add_to_worklist): Ditto.
19718 (mark_aliases_call_clobbered): Ditto.
19719 (compute_tag_properties): Ditto.
19720 (set_initial_properties): Ditto.
19721 (compute_call_clobbered): Ditto.
19722 (compute_may_aliases): Call compute_call_clobbered and grouping.
19723 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19724 (compute_flow_insensitive_aliasing): Grouping now happens in our
19726 (setup_pointers_and_addressables): Remove clobbering related code.
19727 (add_may_alias): Ditto.
19728 (replace_may_alias): Ditto.
19729 (get_nmt_for): Ditto.
19730 (create_global_var):
19731 (is_escape_site): Return an escape_type enumeration.
19732 * tree-flow-inline.h (is_call_clobbered): Global var does not
19733 imply call clobbered.
19734 (mark_call_clobbered): Take a reason for marking this. Remove
19735 marking of globalness, and cache invalidation.
19736 (clear_call_clobbered): Remove cache invalidation code.
19737 * tree-dfa.c (dump_variable): If details is on, dump the reason
19739 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19741 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19742 (struct var_ann_d): Ditto.
19743 (enum escape_type): New.
19744 (mark_call_clobbered): Adjust prototype.
19745 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19746 are never call clobbered.
19747 Record reasons for escaping.
19748 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19749 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19750 (ssa_ro_call_cache_valid): Ditto.
19751 (clobbered_v_may_defs): Ditto.
19752 (clobbered_vuses): Ditto.
19753 (ro_call_vuses): Ditto.
19754 (clobber_stats): New.
19755 (init_ssa_operands): Zero out clobber stats.
19756 (fini_ssa_operands): Print out clobber stats.
19757 (get_call_expr_operands): Pass callee fndecl to
19758 add_call_read_ops).
19759 (add_call_clobber_ops): Remove use of cache.
19760 Add use of PURE_CONST information.
19761 (add_call_read_ops): Remove use of cache.
19762 Add use of static not_read information.
19764 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19766 Introduce TLS descriptors for i386 and x86_64.
19767 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19768 (TARGET_ANY_GNU_TLS): New macro.
19769 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19770 (struct machine_function): Add tls_descriptor_call_expanded_p.
19771 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19772 (ix86_current_function_calls_tls_descriptor): Likewise.
19773 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19774 (override_options): Introduce gnu2 tls dialect.
19775 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19777 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19779 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19780 (ix86_init_machine_status): Initialize new field.
19781 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19782 (ix86_tls_module_base): New.
19783 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19784 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19785 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19786 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19787 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19788 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19789 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19790 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19791 * config/i386/predicates.md (tls_modbase_operand): New.
19792 (tp_or_register_operand): New.
19794 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19796 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19797 (look_for_address_of): Ditto.
19798 (ipa_init): Walk the function decls.
19799 (static_execute): Don't set readonly on FUNCTION_DECL's.
19801 2006-01-18 Roger Sayle <roger@eyesopen.com>
19803 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19804 for shifts where the source and destination registers are different.
19806 2006-01-18 Paul Brook <paul@codesourcery.com>
19808 Merge from csl-arm-branch.
19809 2005-03-14 Julian Brown <julian@codesourcery.com>
19810 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19811 (aeabi_llsl): Likewise.
19812 (ashrdi3): Likewise.
19813 (aeabi_lasr): Likewise.
19814 (lshrdi3): Likewise.
19815 (aeabi_llsr): Likewise.
19816 2005-03-10 Julian Brown <julian@codesourcery.com>
19817 * config.gcc: Disable shared libgcc for SymbianOS.
19818 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19820 2006-01-18 DJ Delorie <dj@redhat.com>
19822 * c-pragma.c (handle_pragma_diagnostic): New.
19823 (init_pragma): Register it.
19824 * doc/extend.texi: Document it.
19826 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19827 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19828 (diagnostic_context): Add classify_diagnostic[].
19829 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19830 as errors if they're overridden to DK_WARNING.
19831 (diagnostic_initialize): Initialize classify_diagnostic[].
19832 (diagnostic_set_kind_override): New.
19833 (diagnostic_report_diagnostic): Check for kind changes.
19834 * opts.c (common_handle_option): Take lang_mask. Update callers.
19835 Handle OPT_Werror_.
19836 * common.opt (Werror=): New.
19837 * doc/invoke.texi: Document -Werror=*
19839 2006-01-18 Jeff Law <law@redhat.com>
19841 * tree-vrp.c (test_for_singularity): Correct test for new
19842 min limit. Use operand_equal_p rather than pointer equality
19843 for testing if new min/max values are equal.
19845 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19846 using range information until after propagation and folding.
19848 2006-01-18 Richard Henderson <rth@redhat.com>
19849 Aldy Hernandez <aldyh@redhat.com>
19850 Jakub Jelinek <jakub@redhat.com>
19851 Diego Novillo <dnovillo@redhat.com>
19853 * omp-low.c: New file.
19854 * c-omp.c: New file.
19856 2006-01-18 Richard Henderson <rth@redhat.com>
19857 Jakub Jelinek <jakub@redhat.com>
19858 Diego Novillo <dnovillo@redhat.com>
19860 * doc/invoke.texi: Document -fopenmp.
19861 * tree-dump.h (debug_function): Declare.
19862 * hooks.c (hook_bool_tree_bool_false): New function.
19863 (hook_tree_tree_null): Remove.
19864 (hook_tree_tree_tree_null): New.
19865 * hooks.h: Update to match.
19866 * tree-pretty-print.c (debug_tree_chain): New.
19867 (print_generic_expr): Handle TDF_CHAIN.
19868 (dump_generic_node): Handle BLOCK.
19869 Do not abort with incomplete SWITCH_EXPRs.
19870 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19871 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19872 print space after directive name.
19873 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19874 Handle OMP_MASTER and OMP_ORDERED.
19875 Handle printing of OMP_BODY just in one place, goto
19876 dump_omp_body in the rest of OMP_* nodes that have
19878 Don't handle clause nodes here. Update omp statements to
19879 use dump_omp_clauses.
19880 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19881 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19882 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19883 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19884 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19885 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19886 Adjust output for GOMP_PARALLEL.
19887 (dump_omp_clauses): New.
19888 (print_declaration): Dump DECL_VALUE_EXPR.
19889 (op_symbol_1): Split out of op_symbol.
19890 (dumping_stmts): Remove. Update all users.
19891 * cgraph.c (cgraph_analyze_queue): New.
19892 (cgraph_add_new_function): New.
19893 * cgraph.h (cgraph_analyze_queue): Declare.
19894 (cgraph_add_new_function): Declare.
19895 (cgraph_lower_function): Remove.
19896 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19897 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19898 and TYPE_P nodes in its default clause.
19899 (empty_body_p): New.
19900 (tree_range_check_failed): New.
19901 (build5_stat): New.
19902 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19903 OMP_CLAUSE_REDUCTION_MERGE,
19904 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19905 OMP_CLAUSE_PRIVATE_DEBUG,
19906 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19907 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19908 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19909 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19910 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19911 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19912 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19913 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19914 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19915 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19916 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19917 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19918 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19919 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19920 (TREE_RANGE_CHECK): New.
19921 (empty_body_p): Declare.
19922 (enum omp_clause_default_kind): New.
19923 (build_string_literal): Declare.
19924 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19925 (build5_stat, build5): Declare.
19926 * tree-pass.h (TDF_CHAIN): Define.
19927 * tree-pass.h (PROP_gimple_lomp): Define.
19928 (pass_lower_omp): Declare.
19929 * diagnostic.h (debug_tree_chain): Declare.
19930 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19932 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19933 * builtins.c (build_string_literal): Make extern.
19934 * gcc.c (include_spec_function): New.
19935 (static_spec_functions): Add it.
19936 (main): Move load of libgomp.spec ...
19937 (LINK_COMMAND_SPEC): ... here.
19938 (link_gomp_spec): New.
19939 (static_specs): Include it.
19940 (LINK_COMMAND_SPEC): Add link_gomp.
19941 (GOMP_SELF_SPECS): New.
19942 (driver_self_specs): Include it.
19943 (switch_matches): Don't mark inline.
19944 (main): Load libgomp.spec.
19945 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19946 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19947 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19948 * tree-gimple.h (enum omp_parallel): Declare.
19949 (determine_parallel_type): Declare.
19950 (omp_firstprivatize_variable): Declare.
19951 (omp_reduction_init): Declare.
19952 (diagnose_omp_structured_block_errors): Declare.
19953 (struct walk_stmt_info): Add want_return_expr.
19954 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19955 (find_omp_clause): Declare.
19956 (insert_field_into_struct): Declare.
19957 (struct walk_stmt_info): Move from tree-nested.c
19958 (walk_stmts): Declare.
19959 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19961 * cgraphunit.c (cgraph_lower_function): Make static.
19962 (cgraph_finalize_pending_functions): New.
19963 (cgraph_finalize_function): Call it.
19964 (cgraph_finalize_compilation_unit): Likewise.
19965 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19966 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19967 (BT_FN_UINT_UINT): New.
19968 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19969 DEF_FUNCTION_TYPE_VAR_4): Document.
19970 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19971 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19972 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19973 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19974 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19975 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19976 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19977 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19978 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19979 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19980 into separate files.
19981 (DEF_GOMP_BUILTIN): New.
19982 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19983 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19984 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19985 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19986 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19987 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19988 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19989 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19990 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19991 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19992 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19993 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19994 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19995 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19996 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19997 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19998 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19999 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20000 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20001 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20002 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20003 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20004 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20005 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20006 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20007 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20008 * sync-builtins.def: New file, moved from builtins.def.
20009 * omp-builtins.def: New file, moved from builtins.def.
20010 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20011 * gimple-low.c (lower_function_body): Clear data.
20012 (lower_stmt): Do not handle COMPOUND_EXPR.
20013 Remove call to print_node_brief.
20014 * c-tree.h (c_finish_omp_clauses): New prototype.
20015 (C_DECL_THREADPRIVATE_P): Define.
20016 (lookup_name_no_remap, c_omp_remap_private): Remove
20017 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20018 (check_for_loop_decls): Update decl.
20019 (lookup_name_no_remap, c_omp_remap_private): Declare.
20020 (build_indirect_ref, build_modify_expr, pushdecl,
20021 pushdecl_top_level): Move to c-common.h.
20022 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20023 before the switch, but just in the 2 places that need it.
20024 * c-decl.c (diagnose_mismatched_decls): Do not check for
20025 mismatched thread-local attributes when OLDDECL is marked
20026 threadprivate and NEWDECL has no thread-local attributes.
20027 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20028 (c_gimple_diagnostics_recursively): Rename from
20029 c_warn_unused_result_recursively. Invoke
20030 diagnose_omp_structured_block_errors.
20031 (check_for_loop_decls): Return a singular decl found.
20032 * langhooks.c (lhd_omp_predetermined_sharing): Return
20033 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20034 (lhd_omp_firstprivatize_type_sizes): New.
20035 (lhd_omp_assignment): New.
20036 (lhd_omp_predetermined_sharing): New.
20037 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20038 (struct lang_hooks_for_types): Add
20039 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20040 omp_predetermined_sharing, omp_disregard_value_expr,
20041 omp_private_debug_clause, omp_clause_default_ctor,
20042 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20043 (c_finish_omp_clauses): New.
20044 (c_finish_bc_stmt): Diagnose break within omp for.
20045 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20046 (build_unary_op): Return error_mark after reporting
20048 (build_modify_expr): Likewise.
20049 * gimplify.c: Include optabs.h and pointer-set.h.
20050 (enum gimplify_omp_var_data): Declare.
20051 (struct gimplify_omp_ctx): Declare.
20052 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20054 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20055 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20056 (splay_tree_compare_decl_uid): New.
20057 (new_omp_context): New.
20058 (delete_omp_context): New.
20059 (gimple_add_tmp_var): Call omp_add_variable.
20060 (gimplify_bind_expr): Likewise.
20061 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20062 true, disregard DECL_VALUE_EXPR on the decl if any.
20063 (gimplify_expr_in_ctx): New.
20064 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20065 omp_add_variable, omp_notice_variable, omp_is_private
20066 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20067 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20068 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20069 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20070 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20071 gimplify_omp_atomic): New.
20072 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20073 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20074 OMP_CRITICAL and OMP_ATOMIC.
20075 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20076 * c-pragma.h (enum pragma_kind): Add
20077 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20078 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20079 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20080 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20081 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20082 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20083 PRAGMA_OMP_THREADPRIVATE.
20084 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20085 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20086 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20087 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20088 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20089 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20090 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20091 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20092 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20093 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20094 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20095 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20096 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20098 (struct nesting_info): Add field_map,
20099 suppress_expansion, debug_var_chain.
20100 (create_nesting_tree): Initialize them.
20101 (lookup_field_for_decl): Use field_map.
20102 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20103 (convert_local_omp_clauses): New.
20104 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20105 (walk_body): Split out of walk_function.
20106 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20107 (convert_nonlocal_reference): Handle omp statements.
20108 (convert_local_reference): Likewise.
20109 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20110 (unnest_nesting_tree): New.
20111 (lower_nested_functions): Call it.
20112 (insert_field_into_struct): Make extern.
20113 (struct walk_stmt_info): Move to tree-gimple.h.
20114 (walk_stmts): Make extern.
20115 * omp-builtins.def: New file.
20116 * tree-iterator.c (expr_only): Clarify comment.
20117 * c-common.h (pushdecl_top_level, pushdecl,
20118 build_modify_expr, build_indirect_ref,
20119 c_finish_omp_master, c_finish_omp_critical,
20120 c_finish_omp_ordered, c_finish_omp_barrier,
20121 c_finish_omp_atomic, c_finish_omp_flush,
20122 c_finish_omp_for, c_split_parallel_clauses,
20123 omp_clause_default_kind, c_omp_sharing_predetermined,
20124 c_omp_remap_decl): Declare.
20125 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20126 (OBJS-common): Add omp-low.o.
20127 (c-omp.o, omp-low.o): Add.
20128 (gimplify.o): Add dependency on $(OPTABS_H).
20129 (GTFILES): Add omp-low.c.
20130 (gt-stringpool.h): Add.
20131 * tree-cfg.c (set_bb_for_stmt): Do not update the
20132 block-to-labels map if we are currently expanding to RTL.
20133 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20135 Handle IDENTIFIER_NODE.
20136 (tree_verify_flow_info): Do not ICE when emitting error
20137 messages about invalid labels.
20138 (dump_function_to_file): Reset CFUN before emitting the body
20140 (debug_function): New.
20141 * passes.c (init_optimization_passes): Schedule
20143 * langhooks-def.h (lhd_omp_predetermined_sharing,
20144 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20146 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20147 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20148 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20149 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20150 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20151 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20152 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20153 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20154 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20155 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20156 (LANG_HOOK_DECLS): Use them.
20158 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20159 Richard Henderson <rth@redhat.com>
20160 Jakub Jelinek <jakub@redhat.com>
20161 Diego Novillo <dnovillo@redhat.com>
20163 * c-parser.c (pragma_omp_clause): Define.
20164 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20165 (c_parser_compound_statement): Likewise.
20166 (c_parser_statement): Likewise.
20167 (c_parser_pragma): Handle omp pragmas.
20168 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20169 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20170 (c_parser_omp_clause_name, check_no_duplicate_clause,
20171 c_parser_omp_variable_list,
20172 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20173 c_parser_omp_clause_copyprivate,
20174 c_parser_omp_clause_default,
20175 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20176 c_parser_omp_clause_lastprivate,
20177 c_parser_omp_clause_nowait,
20178 c_parser_omp_clause_num_threads,
20179 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20180 c_parser_omp_clause_reduction,
20181 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20182 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20183 c_parser_omp_atomic, c_parser_omp_barrier,
20184 c_parser_omp_critical, c_parser_omp_flush,
20185 c_parser_omp_for_loop, c_parser_omp_for,
20186 c_parser_omp_master, c_parser_omp_ordered,
20187 c_parser_omp_sections_scope, c_parser_omp_sections,
20188 c_parser_omp_parallel, c_parser_omp_single,
20189 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20190 * c-pragma.c (init_pragma): Do omp pragma registration here.
20191 * c.opt (fopenmp): New flag.
20193 2006-01-18 Eric Christopher <echristo@apple.com>
20195 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20196 * config/darwin.h (GOMP_SELF_SPECS): Define.
20198 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20200 * rtl.h: Remove the prototype for reg_alloc.
20202 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20205 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20206 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20207 sjlj and dwarf2 exception handling.
20208 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20209 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20210 * pa/pa.c (function_value): Treat complex and vector types as
20212 (function_arg): Likewise. Only pass scalar floats in the floating
20213 point argument registers.
20214 * pa/t-slibgcc-dwarf-ver: New file.
20215 * pa/t-slibgcc-sjlj-ver: New file.
20216 * pa/t-slibgcc-elf-ver: Delete file.
20218 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20220 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20221 unlikely_test_section_p test.
20223 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20225 * mode-switching.c (optimize_mode_switching): Make it static.
20226 * basic-block.h: Remove the prototype for
20227 optimize_mode_switching.
20229 * modulo-sched.c (sms_schedule): Make it static.
20230 * rtl.h: Remove the prototype for sms_schedule.
20232 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20233 * rtl.h: Remove the prototype for gcse_after_reload_main.
20235 * reg-stack.c (reg_to_stack): Make it static.
20236 * rtl.h: Remove the prototype for reg_to_stack.
20238 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20240 * rtl.h: Remove the prototypes for regrename_optimize and
20241 copyprop_hardreg_forward.
20243 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20245 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20246 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20247 Test against the appropriate null constant for the mode.
20248 If 'fixup_overlap' is true, swap the operands if they overlap.
20249 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20250 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20251 alpha_split_tmode_pair and adjust for above change.
20252 * config/alpha/alpha.md (movtf_internal): Adjust call to
20253 alpha_split_tfmode_pair and rely on it to swap the operands.
20254 (movti_internal): New insn and post-reload splitter.
20255 (movti): New expander.
20257 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20259 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20262 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20264 * rtlanal.c (global_reg_mentioned_p_1,
20265 global_reg_mentioned_p): Remove.
20266 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20268 * flow.c (initialize_uninitialized_subregs): Make it static.
20269 * rtl.h: Remove the prototype for
20270 initialize_uninitialized_subregs.
20272 * function.c (instantiate_virtual_regs): Make it static.
20273 * function.h: Remove the prototype for
20274 instantiate_virtual_regs.
20276 * regmove.c (regmove_optimize, combine_stack_adjustments):
20278 * rtl.h: Remove the prototypes for regmove_optimize and
20279 combine_stack_adjustments.
20281 2006-01-17 Roger Sayle <roger@eyesopen.com>
20283 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20284 (size_cost): Encode costs in bytes so that a reg-reg addition is
20285 equivalent to COSTS_N_INSNS(1).
20286 (override_options): Use the size_cost.branch_cost as the default
20287 ix86_branch_cost when optimizing for size.
20289 2006-01-18 Ben Elliston <bje@au.ibm.com>
20291 * Makefile.in (D32PBIT_FUNCS): New.
20292 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20293 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20294 D64PBIT_FUNCS and D128PBIT_FUNCS.
20295 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20296 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20298 (decnumber_dep): Define.
20299 * doc/libgcc.texi (Decimal float library routines): New node.
20300 * config/dfp-bit.h, config/dfp-bit.c: New files.
20302 2006-01-18 Ben Elliston <bje@au.ibm.com>
20304 * expr.c (emit_move_change_mode): Always adjust addresses, not
20305 just during reload. Copy replacements only during reload.
20306 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20307 emit_move_via_integer.
20309 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20311 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20312 instead of $(srcdir) and ${srcdir}.
20314 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20317 PR middle-end/11135
20318 * arm.h (struct machine_function): Add pic_reg.
20319 * arm.c (arm_pic_register): Make unsigned.
20320 (arm_override_options): Only set arm_pic_register if
20321 TARGET_SINGLE_PIC_BASE.
20322 (use_return_insn): Only test for a pic register if it is fixed.
20323 (arm_compute_save_reg0_reg12_mask): Likewise.
20324 (thumb_compute_save_reg_mask): Likewise.
20325 (legitimate_pic_operand): Factor out some known invariants.
20326 (legitimize_pic_address): If we don't have a fixed pic register,
20327 then set up a pseudo in the function entry sequence. Handle the
20328 pic base being in a pseudo.
20329 (arm_load_pic_register): Handle the pic register being in a pseudo.
20330 (arm_expand_prologue): Only set up the pic register if it is fixed.
20331 (thumb_expand_prologue): Likewise.
20332 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20333 (pic_load_addr_based_insn): Likewise.
20334 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20337 2006-01-18 Ben Elliston <bje@au.ibm.com>
20339 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20340 decimal float modes for all floating point registers.
20342 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20343 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20345 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20348 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20349 even when the pointer is not NULL.
20351 2006-01-16 Ian Lance Taylor <ian@airs.com>
20353 * common.opt (ftoplevel-reorder): New option.
20354 * cgraph.c (cgraph_asm_nodes): New global variable.
20355 (cgraph_asm_last_node): New static variable.
20356 (cgraph_order): New global variable.
20357 (cgraph_create_node): Set new order field.
20358 (cgraph_varpool_node): Likewise.
20359 (decide_is_variable_needed): Return true if not
20360 flag_toplevel_reorder.
20361 (cgraph_add_asm_node): New function.
20362 * cgraph.h (struct cgraph_node): Add order field.
20363 (struct cgraph_varpool_node): Add order field.
20364 (struct cgraph_asm_node): Define.
20365 (cgraph_asm_nodes, cgraph_order): Declare.
20366 (cgraph_add_asm_node): Declare.
20367 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20369 (cgraph_varpool_assemble_pending_decls): Call it.
20370 (cgraph_output_pending_asms): New static function.
20371 (cgraph_finalize_compilation_unit): Call it.
20372 (struct cgraph_order_sort): Define.
20373 (cgraph_output_in_order): New static function.
20374 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20375 !flag_toplevel_reorder case.
20376 * c-parser.c: Include "cgraph.h".
20377 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20379 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20380 than -fno-unit-at-a-time.
20381 * doc/invoke.texi (Option Summary): Mention
20382 -fno-toplevel-reorder.
20383 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20384 -funit-at-a-time documentation.
20386 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20387 Kazu Hirata <kazu@codesourcery.com>
20389 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20391 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20393 * Makefile.in (FUNCTION_H): New. Use it instead of
20394 function.h throughout the file.
20395 * function.h: Include tree.h.
20397 2006-01-17 Ben Elliston <bje@au.ibm.com>
20399 * recog.c: Separate some functions with whitespace.
20401 2006-01-16 Richard Henderson <rth@redhat.com>
20403 Merge from gomp branch:
20404 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20405 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20406 and rename from struct inline_data. Rename callee* to dst*;
20407 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20408 transform_new_cfg, transform_return_to_modify, and
20409 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20411 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20412 (copy_decl_for_dup): Remove.
20413 * tree-inline.c (struct inline_data): Move to header.
20414 (insert_decl_map): Export.
20415 (remap_decl): Update for member name changes. Use copy_decl hook.
20416 Allow for replacement to be a non-decl. Remove dead code.
20417 (remap_type_1): Check for existing mapping.
20418 (remap_type): Export.
20419 (remap_decls): Update for member name changes.
20420 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20421 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20422 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20423 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20424 (tree_function_versioning, build_duplicate_type): Likewise.
20425 (copy_body_r): Likewise. Export.
20426 (copy_decl_for_dup): Split into ...
20427 (copy_decl_for_dup_finish, copy_decl_to_var,
20428 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20429 (replace_ref_tree, inlining_p): Remove.
20431 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20433 * ifcvt.c (if_convert): Make it static.
20434 * rtl.h: Remove the prototype for if_convert.
20436 * local-alloc.c (local_alloc): Make it static.
20437 * rtl.h: Remove the prototype for local_alloc.
20439 * loop.c (loop_optimize): Make it static.
20440 * cfgloop.h: Remove the prototype for loop_optimize.
20443 2006-01-16 DJ Delorie <dj@redhat.com>
20445 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20448 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20450 * pa.md: Disparage copies between general and floating-point registers
20451 in 32-bit move patterns.
20453 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20456 * Makefile.in (check-%): Depend on site.exp instead of
20457 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20460 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20462 * global.c (global_alloc): Make it static.
20463 * rtl.h: Remove the prototype for global_alloc.
20465 2006-01-16 Richard Guenther <rguenther@suse.de>
20467 * tree-ssa-alias.c (struct used_part): Add write_only field.
20468 (get_or_create_used_part_for): Initialize it to true.
20469 (create_overlap_variables_for): Don't create structure variables
20470 for structures that only are written to.
20471 (find_used_portions): Handle MODIFY_EXPR to track whether a
20472 structure is only written to.
20474 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20476 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20478 * basic-block.h: Remove the prototype for
20479 partition_hot_cold_basic_blocks.
20481 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20483 * cppspec.c (lang_specific_spec_functions): Remove.
20484 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20485 * gcc.h (lang_specific_spec_functions): Remove.
20486 * gccspec.c (lang_specific_spec_functions): Remove.
20488 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20490 * combine.c (record_value_for_reg): Invalidate registers
20492 (record_dead_and_set_regs_1): Likewise, by passing them to
20493 record_value_for_reg.
20494 (record_dead_and_set_regs): Invalidate stores made by a
20495 call. We do not combine across a call, but we still
20496 relied on equivalences.
20498 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20500 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20501 vrp_int_const_binop returning non-constant nodes.
20503 2006-01-16 Paul Brook <paul@codesourcery.com>
20505 * config/m68k/m68k.c (output_move_const_into_data_reg):
20506 Output correct mnemonic for mvz and mvs.
20508 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20510 * rtl-factoring.c: Add sequence abstraction algorithm.
20511 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20512 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20514 (block_has_preserve_label): New function.
20515 * common.opt: Register new pass.
20516 * Makefile.in: Ditto.
20518 * timevar.def: Ditto.
20519 * tree-pass.h: Ditto.
20520 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20521 * rtl.h (make_jump_insn_raw): Add forward decl.
20522 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20524 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20525 Roger Sayle <roger@eyesopen.com>
20527 * fold-const.c (fold_minmax): New static function.
20528 (fold_binary) <MIN_EXPR>: Call it.
20529 <MAX_EXPR>: Likewise.
20530 * stor-layout.c (place_field): Use DECL_SIZE consistently
20531 in the computation of the new record size.
20533 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20535 * cse.c (cse_condition_code_reg): Make it static.
20536 * rtl.h: Remove the prototype for cse_condition_code_reg.
20538 * combine.c (combine_instructions): Make it static.
20539 * rtl.h: Remove the prototype for combine_instructions.
20541 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20544 * tree.c (get_file_function_name_long): Concatenate the first global
20545 object name with a string derived from the input filename of the object
20548 2006-01-16 Ben Elliston <bje@au.ibm.com>
20550 * config/i386/winnt-stubs.c: Update FSF address.
20551 * config/xtensa/ieee754-df.S: Ditto.
20552 * config/xtensa/ieee754-sf.S: Ditto.
20554 2006-01-14 Ian Lance Taylor <ian@airs.com>
20556 * ifcvt.c (noce_init_if_info): New static function, broken out of
20557 noce_process_if_block.
20558 (noce_process_if_block): Call noce_init_if_info.
20559 (check_cond_move_block): New static function.
20560 (cond_move_process_if_block): New static function.
20561 (process_if_block): Call cond_move_process_if_block.
20563 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20565 * cselib.c (hash_table): Rename to cselib_hash_table.
20566 (cselib_clear_table, discard_useless_values,
20567 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20568 cselib_init, cselib_finish): Adjust uses of hash_table.
20570 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20572 PR tree-optimization/25485
20573 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20574 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20575 is known to be false and true, respectively.
20577 2006-01-14 Richard Guenther <rguenther@suse.de>
20579 PR tree-optimization/22548
20580 PR tree-optimization/22555
20581 PR tree-optimization/22501
20582 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20583 * params.def (salias-max-array-elements): New parameter.
20584 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20585 * doc/invoke.texi (salias-max-array-elements): Document.
20586 * tree-flow-inline.h (var_can_have_subvars): We also handle
20588 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20590 * tree-ssa-structalias.c (params.h): Include.
20591 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20592 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20593 (get_constraint_for): For ADDR_EXPR operating on something
20594 containing an ARRAY_REF, add all subvars to the solution.
20595 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20596 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20597 for creating MUST_DEFs.
20598 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20600 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20602 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20604 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20605 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20606 number_of_iterations_le): New functions.
20607 (number_of_iterations_special): Removed.
20608 (number_of_iterations_exit): Do not use number_of_iterations_special.
20609 * tree.c (unsigned_type_for): Always return integer type.
20611 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20612 Richard Guenther <rguenther@suse.de>
20614 PR rtl-optimization/24257
20615 * gcse.c (find_moveable_store): Only consider a store movable
20616 when the SET_SRC of the insn can be assigned to a register.
20618 2006-01-14 Ian Lance Taylor <ian@airs.com>
20620 * tree.c (tree_not_class_check_failed): New function.
20621 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20622 (tree_not_class_check_failed): Declare.
20624 2006-01-13 Ian Lance Taylor <ian@airs.com>
20626 * reload1.c (do_output_reload): Add assertion rejecting a
20629 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20631 * combine.c (struct reg_stat): Add new fields truncation_label and
20633 (record_value_for_reg): Reset truncated_to_mode.
20634 (record_truncated_value): New function.
20635 (check_promoted_subreg): Call it. Rename to check_conversions.
20636 (combine_instructions): Rename check_promoted_subreg to
20638 (reg_truncated_to_mode): New function.
20639 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20640 (gen_lowpart_or_truncate): New function.
20641 (force_to_mode): Use it instead of gen_lowpart.
20643 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20645 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20646 VAR is a tag, not its type tag.
20648 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20650 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20651 alternatives to match style of other entries.
20652 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20654 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20656 PR tree-optimization/25771
20657 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20660 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20663 * tree-inline.c (declare_return_variable): If the return variable
20664 was marked as a non gimple complex, set the return slot variable
20665 to be a non gimple comple variable.
20667 2006-01-13 Richard Guenther <rguenther@suse.de>
20669 * builtins.c (expand_builtin_sincos): New function.
20670 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20672 (expand_builtin): Expand sincos using expand_builtin_sincos.
20674 2006-01-12 DJ Delorie <dj@redhat.com>
20676 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20677 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20678 so that constant shifts can be split.
20679 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20680 (m32c_valid_pointer_mode): Make static.
20681 (shift_gen_func_for): New.
20682 (m32c_prepare_shift): Use it. Split large const shifts into
20684 * config/m32c/predicates.md (shiftcount_operand): Allow more
20686 (longshiftcount_operand): New.
20687 * doc/md.texi (Machine Constraints): Document In6.
20689 2006-01-13 Ben Elliston <bje@au.ibm.com>
20691 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20692 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20695 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20697 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20698 to try to avoid clobbering pieces of structures when we know
20699 something about the whole structure.
20700 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20702 2006-01-13 Ben Elliston <bje@au.ibm.com>
20704 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20705 return in memory, as this is no limitation is no longer present.
20707 2006-01-12 DJ Delorie <dj@redhat.com>
20709 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20710 mova with fb, and for fb+0 -> An.
20712 * config/m32c/mov.md (peephole2): Fix enabling logic.
20714 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20715 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20716 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20717 FINI_ARRAY_SECTION_ASM_OP): Define.
20719 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20721 (m32c_legitimize_reload_address): New logic to reload FB to An.
20722 (m32c_output_reg_push): Add newline.
20723 (m32c_output_reg_pop): Likewise.
20725 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20727 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20729 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20731 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20733 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20735 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20738 2006-01-11 Ben Elliston <bje@au.ibm.com>
20740 * rtlanal.c (find_reg_note): Assert insn is not null.
20742 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20744 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20747 2006-01-11 Jeff Law <law@redhat.com>
20749 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20751 (mark_threaded_blocks, register_jump_thread): New functions.
20752 (thread_through_all_blocks): Remove unwanted argument. No
20753 longer rely on e->aux to communicate thread target info.
20754 Call mark_threaded_blocks. Release the threaded_blocks
20755 bitmap and threaded_edges vector when complete.
20756 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20757 (threaded_blocks): Remove.
20758 (tree_ssa_dominator_optimize): Remove initialization and
20759 finalization of threaded_blocks. Simplify call to
20760 thread_through_all_blocks.
20761 (thread_across_edge): Call register_jump_thread rather than
20762 storing thread information into e->aux.
20763 (free_all_edge_infos): Simplify now that e->aux is no longer
20764 used to communicate with thread_through_all_blocks.
20765 * tree-flow.h (thread_through_all_blocks): Update prototype.
20766 (register_jump_thread): Prototype.
20768 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20770 * df-core.c (df_compact_blocks, df_bb_replace): Use
20771 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20773 2006-01-11 Richard Guenther <rguenther@suse.de>
20775 PR tree-optimization/25734
20776 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20777 stop propagation after successful propagation to the LHS.
20779 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20781 * basic-block.h (control_flow_graph): Change the type of
20782 x_basic_block_info to VEC(basic_block,gc) *.
20783 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20785 (SET_BASIC_BLOCK): New.
20786 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20787 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20788 * cfgbuild.c (find_basic_blocks): Likewise.
20789 * cfglayout.c (fixup_reorder_chain): Likewise.
20790 * cfgrtl.c (create_basic_block_structure,
20791 rtl_create_basic_block): Likewise.
20792 * ifcvt.c (find_if_case_1): Likewise.
20793 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20796 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20798 * Makefile.in: Removed rotted odf.c entry.
20800 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20803 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20804 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20805 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20806 output pattern modifier, not %e.
20807 * config/cris/cris.c (cris_op_str): Update comment about pattern
20809 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20810 before falling through into...
20811 <case 'E'>: Redefined from old 'e' case.
20813 2006-01-11 Jan Hubicka <jh@suse.cz>
20816 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20818 2006-01-11 Jan Hubicka <jh@suse.cz>
20820 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20821 * i386.c (x86_decompose_lea): Kill.
20822 (ix86_rtx_costs): Kill.
20824 2006-01-11 Jan Hubicka <jh@suse.cz>
20826 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20827 * cgraph.h (cgraph_node): Add inline_decl.
20828 (cgraph_insert_node_to_hashtable): Declare.
20829 (save_inline_function_body): Declare.
20830 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20832 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20833 (cgraph_function_versioning): Update call of tree_function_versioning.
20834 (save_inline_function_body): New function.
20835 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20836 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20837 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20838 (cgraph_default_inline_p): Likewise.
20839 (cgraph_decide_inlining_incrementally): Likewise.
20840 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20841 (copy_bb): Kill saving; do updating of clones.
20842 (copy_cfg_body): Kill saving.
20843 (initialize_inlined-parameters): Likewise.
20844 (expand_call_inline): Likewise.
20846 (tree_function_versioning): New parameter "update_clones".
20847 (inlining_p): Kill saving.
20848 * tree-inline.h (tree_function_versioning): Update prototype.
20849 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20852 2006-01-11 Ian Lance Taylor <ian@airs.com>
20854 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20855 Allow undoing set of machine mode.
20856 (do_SUBST): Use enums instead of is_int.
20857 (do_SUBST_MODE): New function.
20858 (SUBST_MODE): New macro.
20859 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20860 reg and trying to replace reg_regno_rtx with a new register.
20861 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20862 (simplify_set): Use SUBST_MODE.
20863 (distribute_notes): Remove code that tried to update reg notes
20864 for regno_reg_rtx changes.
20866 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20868 PR tree-optimization/23109
20869 PR tree-optimization/23948
20870 PR tree-optimization/24123
20872 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20873 * tree-cfg.c (single_noncomplex_succ): New.
20874 * tree-flow.h (single_noncomplex_succ): Declare it.
20875 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20876 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20877 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20878 insert_bb, register_division_in, insert_reciprocals,
20879 replace_reciprocal, free_bb): New.
20880 (execute_cse_reciprocals_1): Rewritten.
20881 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20882 Do not commit any edge insertion. Always compute dominators and
20883 create the allocation pool.
20884 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20885 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20886 * targhooks.c (default_min_divistions_for_recip_mul): New.
20887 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20888 * passes.c (init_optimization_passes): Run recip after tree loop
20890 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20892 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20893 Kenneth Zadeck <zadeck@naturalbridge.com>
20895 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20896 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20897 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20898 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20899 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20900 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20901 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20902 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20903 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20904 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20905 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20906 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20907 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20908 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20909 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20910 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20911 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20912 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20913 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20914 DF_SCAN_POST_ALLOC): New macros.
20915 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20916 df_free_bb_function, df_local_compute_function, df_init_function,
20917 df_dataflow_function, df_confluence_function_0,
20918 df_confluence_function_n, df_transfer_function,
20919 df_finalizer_function, df_free_function, df_dump_problem_function,
20920 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20921 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20922 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20923 df_urec_bb_info, ) New types.
20924 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20926 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20927 df_analyze_simple_change_some_blocks,
20928 df_analyze_simple_change_one_block, df_compact_blocks,
20929 df_bb_replace, df_bb_regno_last_use_find,
20930 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20931 df_insn_regno_def_p, df_find_def, df_find_use,
20932 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20933 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20934 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20935 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20936 debug_df_chain, df_get_dependent_problem, df_chain_create,
20937 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20938 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20939 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20940 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20941 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20942 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20943 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20944 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20945 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20946 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20947 df_reorganize_refs, df_set_state, df_hard_reg_init,
20948 df_read_modify_subreg_p) New public functions.
20949 * df-core.c: The core dataflow solver and glue routines for rtl
20951 (df_init, df_add_problem, df_set_blocks, df_finish,
20952 df_hybrid_search_forward, df_hybrid_search_backward,
20953 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20954 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20955 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20956 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20957 df_reg_defined, df_find_use, df_reg_used, df_dump,
20958 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20959 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20960 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20961 debug_df_useno, reset_df_after_reload): New functions.
20962 * df-scan.c: The scanning fuctions, once in df.c, completely
20963 rewritten so that they now fully model the functionality of
20964 register usage at the backend.
20965 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20966 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20967 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20968 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20969 df_get_artificial_defs, df_get_artificial_uses,
20970 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20971 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20972 df_refs_delete, df_reorganize_refs, df_set_state,
20973 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20974 df_def_record_1, df_defs_record, df_uses_record,
20975 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20976 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20977 df_record_exit_block_uses, df_hard_reg_init): New functions.
20979 * df-problems.c: Seven concrete dataflow problems that use the
20980 scanning in df-scan.c and are solved by the engine in df-core.c.
20981 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20982 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20983 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20984 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20985 df_ru_free_bb_info, df_ru_alloc,
20986 df_ru_bb_local_compute_process_def,
20987 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20988 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20989 df_ru_transfer_function, df_ru_free, df_ru_dump,
20990 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20991 df_rd_free_bb_info, df_rd_alloc,
20992 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20993 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20994 df_rd_transfer_function, df_rd_free, df_rd_dump,
20995 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20996 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20997 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20998 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20999 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21000 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21001 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21002 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21003 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21004 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21005 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21006 df_urec_mark_reg_use_for_earlyclobber,
21007 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21008 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21009 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21010 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21011 df_chain_create_bb_process_use, df_chain_create_bb,
21012 df_chain_finalize, df_chain_free, df_chains_dump,
21013 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21014 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21015 df_reg_lifetime): New functions.
21016 * df.c: Deleted file.
21017 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21018 consistent with new df api.
21019 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21020 rest_of_handle_sms): Ditto.
21021 * web.c (unionfind_union, union_defs, entry_register, web_main):
21023 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21024 invariant_expr_equal_p, find_defs, check_dependencies,
21025 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21026 free_inv_motion_data, move_loop_invariants): Ditto.
21027 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21028 Update dependencies.
21029 (odf.c): Added defective entry that was deleted later in day.
21030 * sched-deps.c (sched_analyze_1): Ditto.
21032 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21034 * tree-ssa-operands.c (get_expr_operands): Record addressable
21035 variables directly. Do not call add_stmt_operands for CONST_DECLs
21037 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21038 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21040 2006-01-11 Ben Elliston <bje@au.ibm.com>
21042 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21043 function returns true in the positive case.
21045 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21048 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21049 for SI, DI, SF and DF modes. Add alternatives to copy between
21050 general and floating point registers to the 32-bit patterns.
21051 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21052 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21053 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21054 generating 64-bit code.
21055 * config/pa/pa.c (output_move_double): Handle copies between general
21056 and floating registers.
21058 2006-01-10 Stuart Hastings <stuart@apple.com>
21060 * config/i386/i386.md (set_got): Update.
21061 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21062 (builtin_setjmp_receiver): Mach-O support.
21063 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21064 (GOT_SYMBOL_NAME): Define.
21065 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21066 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21067 * config/i386/i386.c (override_options): Revise for Darwin.
21068 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21069 support. (darwin_x86_file_end): New. (output_set_got): Add label
21070 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21071 * config/i386/i386-protos.h (output_set_got): Likewise.
21072 * config/darwin.c (machopic_legitimize_pic_address): Update
21075 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21077 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21078 when MODE isn't BLKmode.
21080 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21082 PR rtl-optimization/25367
21083 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21085 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21088 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21089 for a negative bound.
21091 2006-01-10 Richard Guenther <rguenther@suse.de>
21093 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21094 Never override with anything constraint.
21096 2006-01-10 Jan Beulich <jbeulich@novell.com>
21098 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21099 256 bits when optimize_size.
21101 2006-01-10 Jan Beulich <jbeulich@novell.com>
21103 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21105 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21106 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21109 2006-01-10 Ben Elliston <bje@au.ibm.com>
21111 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21113 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21114 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21115 (USE_FP_FOR_ARG): Reject decimal float modes.
21116 (function_arg_advance): Likewise.
21117 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21118 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21119 point types in AltiVec vectors.
21120 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21121 (rs6000_libcall_value): Likewise.
21123 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21125 * config/xtensa/ieee754-df.S: New file.
21126 * config/xtensa/ieee754-sf.S: New file.
21127 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21128 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21129 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21131 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21133 * config/sh/predicates.md (binary_float_operator,
21134 binary_logical_operator, commutative_float_operator,
21135 equality_comparison_operator, greater_comparison_operator,
21136 less_comparison_operator, logical_operator,
21137 noncommutative_float_operator, shift_operator,
21138 symbol_ref_operand, unary_float_operator): Remove redundant
21141 2006-01-09 Jeff Law <law@redhat.com>
21143 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21144 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21145 now unused arguments. Callers updated.
21146 (eliminate_redundant_computations): Remove now unused arguments,
21148 (local_fold): Remove, no longer used.
21149 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21151 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21152 (simplify_cond): New function.
21153 (forward_propagate_into_cond): Call simplify_cond.
21155 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21157 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21158 (*vec_extractv2di_1_sse): New.
21160 2006-01-09 Ben Elliston <bje@au.ibm.com>
21162 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21164 2006-01-08 Richard Guenther <rguenther@suse.de>
21166 * tree-ssa-structalias.c (get_constraint_for): Remove
21167 anyoffset argument.
21168 (get_constraint_for_component_ref): Likewise.
21169 (do_deref): Likewise.
21170 (get_constraint_for): Likewise.
21171 (do_structure_copy): Likewise.
21172 (handle_ptr_arith): Likewise.
21173 (find_func_aliases): Likewise. Remove unused need_anyoffset
21176 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21177 Kaz Kojima <kkojima@gcc.gnu.org>
21179 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21180 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21181 (EXTRA_CONSTRAINT_C16): Remove.
21182 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21183 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21184 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21185 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21186 constants of SHmedia. Handle nested constant expressions of
21188 (andcosts): Fix the costs for SHmedia constants.
21189 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21190 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21191 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21192 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21193 (movv4hi_i, movv2si_i): Likewise.
21194 (movsi_const): Adjust the second operand of ior so to match with
21195 the Csu constraint.
21196 (movdi_const, movdi_const_32bit): Likewise.
21197 (movdi_const_16bit+1): Don't sign-extend LOW.
21198 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21200 (*double_shori): Fix the split condition. Use GEN_INT instead
21201 of get_int_mode calls. Mask lower 16-bit of the argument of
21203 (sym2GOTPLT): Remove.
21204 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21206 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21207 instead of EXTRA_CONSTRAINT_C16.
21209 2006-01-07 Ian Lance Taylor <ian@airs.com>
21210 David Edelsohn <edelsohn@gnu.org>
21212 PR rtl-optimization/25662
21213 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21214 for constant operands instead of simplify_gen_binary.
21215 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21216 after trying simplify_binary_operation
21218 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21220 * tree.c (iterative_hash_expr): Hash decls based on UID.
21222 2006-01-06 Eric Christopher <echristo@apple.com>
21224 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21225 (TARGET_UNWIND_EMIT): Fix spelling.
21226 * target.h (gcc_target): Add except_table_label.
21227 * except.c (output_function_exception_table): Use.
21228 * varasm.c (default_emit_except_table_label): New.
21229 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21231 (asm_out): Add here.
21232 * output.h (default_emit_except_table_label): Prototype.
21233 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21234 * config/darwin.c (darwin_emit_except_table_label): Define.
21235 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21237 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21239 PR tree-optimization/18527
21240 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21241 number_of_iterations_special, number_of_iterations_exit):
21242 Move base and step of an iv to a single structure. Add
21243 no_overflow flag, and use it in # of iterations analysis.
21244 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21245 folded_casts argument.
21246 (simple_iv): Pass base and step in a structure. Set no_overflow
21248 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21249 Evaluate expensiveness of computing # of iterations instead of
21250 the final expression.
21251 * tree-scalar-evolution.h (affine_iv): New structure.
21252 (simple_iv): Declaration changed.
21253 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21254 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21255 find_givs_in_stmt): Changed due to simple_iv change.
21257 2006-01-06 Jeff Law <law@redhat.com>
21260 * tree-cfg.c (bsi_replace): Rename final argument from
21261 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21262 change (stmt -> orig_stmt).
21263 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21264 (bsi_remove): Add new argument. Remove EH information
21266 (verify_eh_throw_table_statements): New function.
21267 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21269 * tree-optimize.c (execute_free_cfg_annotations): Verify
21270 the EH throw statement table after removing annotations.
21271 * except.h (verify_eh_throw_table_statements): Prototype.
21272 * tree-flow.h (bsi_remove): Update prototype.
21273 * tree-vrp.c (remove_range_assertions): Add new argument to
21275 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21276 * tree-complex.c (expand_complex_div_wide): Likewise.
21277 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21278 * tree-tailcall.c (eliminate_tailcall): Likewise.
21279 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21280 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21281 * tree-nrv.c (tree_nrv): Likewise.
21282 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21283 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21284 (combine_blocks): Likewise.
21285 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21286 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21287 (cleanup_control_flow): Likewise.
21288 (remove_forwarder_block): Likewise.
21289 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21290 * tree-sra.c (sra_replace): Likewise.
21291 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21292 (forward_propagate_single_use_vars): Likewise.
21293 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21294 * tree-inline.c (expand_call_inline): Likewise.
21295 * tree-vect-transform.c (vect_transform_loop): Likewise.
21296 * tree-outof-ssa.c (rewrite_trees): Likewise.
21297 * tree-cfg.c (make_goto_expr_edges): Likewise.
21298 (cleanup_dead_labels): Likewise.
21299 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21300 (bsi_move_before, bsi_move_after): Likewise.
21301 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21302 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21304 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21307 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21309 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21310 on non gimple variables. Also add checks at the top for decls and
21312 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21314 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21315 and IMAGPART_EXPR for creating MUST_DEFs.
21316 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21317 and NAME_MEMORY_TAG separately from the DECLs.
21319 2006-01-06 Richard Guenther <rguenther@suse.de>
21321 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21322 annotation, if necessary.
21323 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21324 redundant calls to update_stmt.
21325 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21328 2006-01-05 Richard Henderson <rth@redhat.com>
21330 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21332 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21334 * c-typeck.c: Update copyright date.
21336 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21338 * c-typeck.c (build_c_cast): Always warn when casting
21339 from a pointer to an integer of different size, even if
21340 the node was constant.
21342 2006-01-05 Richard Guenther <rguenther@suse.de>
21344 PR tree-optimization/22555
21345 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21346 if one structure field is an array.
21347 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21348 operands even if we found a subvar, but ignore VOPs in this
21350 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21352 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21354 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21356 PR middle-end/24998
21357 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21359 2006-01-05 Richard Guenther <rguenther@suse.de>
21360 Diego Novillo <dnovillo@redhat.com>
21362 * tree-pass.h (TODO_remove_unused_locals): Define.
21363 * gimple-low.c (expand_var_p, remove_useless_vars,
21364 pass_remove_useless_vars): Remove. Update all users.
21365 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21366 (remove_unused_locals): New function.
21367 * tree-flow.h (remove_unused_locals): Declare.
21368 * passes.c (execute_todo): Call remove_unused_locals if
21369 TODO_remove_unused_locals is set.
21370 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21371 * tree-ssa-dce.c (pass_dce): Likewise.
21372 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21374 2006-01-05 Richard Guenther <rguenther@suse.de>
21376 * tree-flow.h (struct fieldoff): Decompose field to
21377 type, size and decl.
21378 * tree-ssa-alias.c (create_sft): Take type as parameter.
21379 (create_overlap_variables_for): Store type, size and decl
21380 in the fieldoff structure.
21381 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21382 of struct fieldoff.
21383 (push_fields_onto_fieldstack): Likewise.
21384 (create_variable_info_for): Likewise. Use offset for the
21385 SFT name if the decl is not available.
21387 2006-01-04 Paul Brook <paul@codesourcery.com>
21389 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21391 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21393 * lambda-code.c (can_put_in_inner_loop): Relax
21395 (can_put_after_inner_loop): New function.
21396 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21397 (perfect_nestify): Change to make copies and modify uses.
21399 2006-01-04 Richard Henderson <rth@redhat.com>
21401 Merge from gomp branch:
21402 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21403 via integer constant.
21404 (pragma_lex): Remove.
21405 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21406 rather than parsing it.
21407 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21408 handle_pragma_extern_prefix): Add %< %> quotes.
21409 (registered_pragmas): New.
21410 (c_register_pragma_1): New.
21411 (c_register_pragma): Use it.
21412 (c_register_pragma_with_expansion): Likewise.
21413 (c_invoke_pragma_handler): New.
21414 (init_pragma): Use cpp_register_deferred_pragma directly for
21416 * c-pragma.h (enum pragma_kind): New.
21417 (pragma_handler): New.
21418 (c_invoke_pragma_handler): Declare.
21419 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21421 * c-common.h (c_common_pch_pragma): Update decl.
21422 * Makefile.in (c-parser.o): Update dependencies.
21423 (GTFILES): Add c-pragma.h.
21424 * c-parser.c (struct c_token): Add pragma_kind.
21425 (struct c_parser): Add in_pragma.
21426 (c_lex_one_token): Always initialize keyword and pragma_kind.
21427 Extract data for CPP_PRAGMA.
21428 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21429 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21430 Don't allow CPP_PRAGMA_EOL if in_pragma.
21431 (c_parser_consume_pragma): New.
21432 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21433 (c_parser_skip_to_end_of_parameter): Likewise.
21434 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21435 (c_parser_skip_to_pragma_eol): New.
21436 (c_parser_external_declaration): Handle CPP_PRAGMA.
21437 (c_parser_compound_statement_nostart): Likewise.
21438 (c_parser_statement_after_labels): Likewise.
21439 (c_parser_pragma): New.
21440 (pragma_lex): Likewise.
21441 (c_parser_pragma_pch_preprocess): New.
21442 (c_parser_new): Merge into ...
21443 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21445 2006-01-04 Jeff Law <law@redhat.com>
21448 * tree-cfg.c (bsi_replace): Remove the original statement
21449 from the EH throw statement table.
21451 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21453 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21454 make the prototype extern "C" and add throw ().
21457 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21458 and pos non-negative and pos + len <= 32.
21459 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21460 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21461 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21464 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21465 as well as sizes not multiple of component size.
21468 * function.c (instantiate_expr): New function.
21469 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21470 walk its DECL_VALUE_EXPR with instantiate_expr.
21472 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21473 DW_OP_deref{,_size} if address isn't going to be added.
21475 2006-01-04 Ben Elliston <bje@au.ibm.com>
21477 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21478 * config/fp-bit.c: Likewise.
21480 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21482 * dominance.c: Add comment about why we use DFS numbering
21485 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21486 Richard Henderson <rth@redhat.com>
21488 Merge from gomp-branch:
21489 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21490 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21492 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21494 PR rtl-optimization/25578
21495 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21496 pass a parameter to simplify_shift_const if changing ASHIFTRT
21499 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21501 * builtins.c (get_builtin_sync_mem): New function.
21502 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21503 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21504 Call get_builtin_sync_mem to generate mem rtx.
21506 2006-01-03 Richard Guenther <rguenther@suse.de>
21509 * stmt.c (add_case_node): Make sure to clear overflow flags
21512 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21514 Merge from gomp-branch.
21515 * config/sparc/sync.md: New file.
21516 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21517 UNSPECV_LDSTUB): New constants.
21518 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21519 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21520 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21523 2006-01-03 Roger Sayle <roger@eyesopen.com>
21525 * combine.c (reg_subword_p): New predicate to test whether the
21526 destination of a set refers to a subword/piece of a register.
21527 (try_combine): Generalize the code to merge the setting of a
21528 pseudo to a constant followed by a set of a subword of that
21529 register to a constant.
21531 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21533 * basic-block.h (control_flow_graph): Change the type of
21534 x_label_to_block_map to VEC(basic_block,gc) *.
21535 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21536 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21538 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21539 VEC(basic_block,heap) *.
21540 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21541 ssa_prop_fini): Adjust the uses of cfg_blocks.
21543 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21545 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21547 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21548 hashing trees instead of a pointer hash.
21549 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21550 compare for MEM_EXPR.
21552 PR rtl-optimization/25130
21553 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21554 when comparing MEMs for GCSE
21556 2006-01-03 Ben Elliston <bje@au.ibm.com>
21558 * targhooks.h (default_decimal_float_supported_p): Declare.
21559 * targhooks.c (default_decimal_float_supported_p): Define.
21560 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21561 `default_decimal_float_supported_p'.
21562 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21564 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21566 * combine.c (apply_distributive_law <SUBREG>): Check
21567 TRULY_NOOP_TRUNCATION.
21569 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21571 * dwarf2out.c (have_switched_text_section): Delete.
21572 (have_multiple_function_sections): New.
21573 (have_location_lists): Make 'bool'.
21574 (add_AT_loc_list): Use 'true' not '1'.
21575 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21576 (output_loc_list): Use have_multiple_function_sections.
21577 (output_ranges): Likewise.
21578 (dwarf2out_begin_function): Set have_multiple_function_sections if
21580 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21581 Check function_section rather than DECL_SECTION_NAME.
21582 (dwarf2out_finish): Use have_multiple_function_sections.
21583 Don't clear have_location_lists.
21585 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21586 Jan Hubicka <jh@suse.cz>
21588 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21589 case of conditional jump jumping to the next instruction.
21590 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21591 cases of conditional jump jumping to the next instruction.
21593 2006-01-02 Jan Hubicka <jh@suse.cz>
21595 * i386.c (*_cost): Add COSTS_N_INSNS.
21596 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21598 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21601 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21603 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21605 * config/arm/arm.c (all_fpus): Fix comment typo.
21606 * config/darwin.c: Likewise.
21607 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21608 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21609 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21611 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21613 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21614 (rs6000_split_compare_and_swapqhi): New.
21615 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21616 (sync_compare_and_swapqhi_internal): New.
21617 * config/rs6000/rs6000-protos.h: Declare.