1 2006-12-20 Jan Hubicka <jh@suse.cz>
3 * tree-dfa.c (add_referenced_var): Walk initializers of
4 non-constant/readonly static vars.
6 2006-12-20 Jan Hubicka <jh@suse.cz>
8 * tree-flow-inline.h (gimple_var_anns): New function.
9 (var_ann): Use hashtable for static functions.
10 * tree-dfa.c (create_var_ann): Likewise.
11 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
12 (init_tree_ssa): Initialize var anns.
13 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
14 * tree-flow.h (struct static_var_ann_d): New structure.
15 (gimple_df): Add var_anns.
17 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
20 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
21 begin with the configured prefix.
23 2006-12-20 Jan Hubicka <jh@suse.cz>
26 * i386.c (expand_setmem_epilogue): Fix formating.
27 (dsmalest_pow2_greater_than): New function.
28 (ix86_expand_movmem): Improve comments; avoid re-computing of
30 (promote_duplicated_reg_to_size): Break out from ...
31 (expand_setmem): ... this one; reorganize promotion code;
32 improve comments; avoid recomputation of epilogue size.
34 2006-12-20 Andrew Pinski <pinskia@gmail.com>
37 * omp-low.c (init_tmp_var): New function.
38 (save_tmp_var): New function.
39 (lower_omp_1): Use them for VAR_DECL.
41 2006-12-20 Andrew Pinski <pinskia@gmail.com>
43 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
44 CONSTRUCTORs as min invariants.
46 2006-12-20 Joseph Myers <joseph@codesourcery.com>
48 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
50 (subreg_regno_offset, subreg_offset_representable_p): Change to
51 wrappers about subreg_get_info.
52 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
53 * rtl.h (subreg_nregs): Declare.
54 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
56 * caller-save.c (mark_set_regs, add_stored_regs): Use
58 * df-scan.c (df_ref_record): Use subreg_nregs.
59 * flow.c (mark_set_1): Use subreg_nregs.
60 * postreload.c (move2add_note_store): Use subreg_nregs.
61 * reload.c (decompose, refers_to_regno_for_reload_p,
62 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
63 * resource.c (update_live_status, mark_referenced_resources,
64 mark_set_resources): Use subreg_nregs.
66 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
68 * loop-unswitch.c (unswitch_loop): Update arguments of
69 duplicate_loop_to_header_edge call.
70 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
71 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
72 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
74 * cfgloopmanip.c (loop_version): Ditto.
75 (duplicate_loop_to_header_edge): Change
76 type of to_remove to VEC(edge), remove n_to_remove argument.
77 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
78 Change type of to_remove to VEC(edge), remove n_to_remove argument.
79 (tree_unroll_loop): Update arguments of
80 tree_duplicate_loop_to_header_edge call.
81 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
82 Change type of to_remove to VEC(edge), remove n_to_remove argument.
83 * cfghooks.h (struct cfg_hooks): Type of
84 cfg_hook_duplicate_loop_to_header_edge changed.
85 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
86 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
87 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
89 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
91 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
92 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
93 (vec_widen_smult_lo_v8hi): New.
94 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
95 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
96 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
98 2006-12-20 Jan Hubicka <jh@suse.cz>
100 * cgraph.c: Update overall comment; fix vertical spacing.
101 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
103 2006-12-20 Jan Hubicka <jh@suse.cz>
105 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
107 (varpool_first_static_initializer, varpol_next_static_initializer): New
109 * ipa-reference.c (analyze_variable): Simplify.
110 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
111 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
113 2006-12-19 Andrew Pinski <pinskia@gmail.com>
116 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
119 2006-12-20 Ben Elliston <bje@au.ibm.com>
121 * doc/invoke.texi (Optimize Options): Typo fix.
123 2006-12-19 Eric Christopher <echristo@apple.com>
125 * config/darwin.c (machopic_select_section): Rewrite.
126 (darwin_text_section): New.
127 (darwin_rodata_section): Ditto.
128 (darwin_mergeable_string_section): Ditto.
129 (darwin_mergeable_constant_section): Ditto.
130 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
132 2006-12-19 Steve Ellcey <sje@cup.hp.com>
134 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
136 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
139 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
140 (STAGE1_CHECKING_CFLAGS): ... this.
142 2006-12-18 Andrew Pinski <pinskia@gmail.com>
145 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
146 READONLY on __builtin_altivec_mask_for_load instead of adding
149 2006-12-18 Roger Sayle <roger@eyesopen.com>
150 Eric Christopher <echristo@apple.com>
153 * real.c (real_maxval): Correctly handle IBM extended double format.
155 2006-12-19 Jan Hubicka <jh@suse.cz>
157 * expmed.c (expand_mult_const): Force operand to constant.
158 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
159 copy_rtx to arguments.
161 2006-12-19 Ben Elliston <bje@au.ibm.com>
163 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
165 2006-12-19 Ben Elliston <bje@au.ibm.com>
167 * cse.c (cse_insn): Fix formatting.
169 2006-12-18 Geoffrey Keating <geoffk@apple.com>
171 * doc/invoke.texi (Debugging Options): Document -g0.
172 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
173 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
175 2006-12-18 Ian Lance Taylor <iant@google.com>
177 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
178 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
181 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
183 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
184 (struct vuse_optype_d): Delete.
185 (SSA_OPERAND_MEMORY_SIZE): Delete.
186 (struct ssa_operand_memory_d): Change mem array to size one.
187 (NUM_VOP_FREE_BUCKETS): Define.
188 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
189 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
190 * tree-pretty-print.c (dump_vops): Use voptype_d type.
191 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
192 which fit into a chunk of memory from a specific bucket.
193 (vop_free_bucket_index): New. Find correct size memory bucket.
194 (init_vop_buckets): New. Initialize VOP free memory buckets.
195 (add_vop_to_freelist): New. Add a VOP to the correct free list.
196 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
197 (init_ssa_operands): Initialize operand memory and free lists.
198 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
199 (ssa_operand_alloc): Use graduated size memory allocation.
200 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
201 INITIALIZE_USE): Remove.
202 (alloc_vop): New. Allocate a virtual operand.
203 (alloc_vdef, alloc_vuse): Delete.
204 (add_def_op, add_use_op): Directly setup pointers.
205 (add_vop): New. Add a virtual operand.
206 (add_vuse_op, add_vdef_op): Call add_vop.
207 (realloc_vop): New. Reallocate a virtual operand.
208 (realloc_vdef, realloc_vuse): Call realloc_vop.
209 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
210 (finalize_ssa_defs): Optimize for common case, remove code based on
211 sorted pointers which was a waste of time.
212 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
213 (finalize_ssa_uses): Update last pointer.
214 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
215 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
216 directly manipulate pointers.
217 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
219 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
221 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
222 determine if memory operand is an indexed address or not.
224 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
226 * cselib.c (struct cselib_val_struct): Make val_rtx its
227 own field, remove the union that contained it.
228 * cselib.c: Update accordingly where necessary.
230 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
232 * cse.c (have_eh_succ_edges): New function.
233 (cse_insn): Don't remove dead EH edges here
234 (cse_extended_basic_block): Do it here.
235 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
236 that we have removed all dead edges.
238 2006-12-17 Matthias Klose <doko@debian.org>
241 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
243 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
245 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
246 (cse_extended_basic_block): When truncating a path while processing
247 it, make sure to clear the visited bit on the basic blocks in the
248 truncated part of the path.
249 (cse_main): Use reverse completion order, not DFS order, to walk
251 (gate_handle_cse): Revert erroneous commit of a counter.
253 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
255 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
256 variables, moved out from cse_insn.
257 (prev_insn): Remove this global variable).
258 (new_basic_block): Don't set it.
259 (cse_insn): Idem. Also, move code to delete unused CC0-setter
260 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
262 (cse_extended_basic_block): ...to here. Do not clear
263 prev_insn_cc0 until after recording equivalences from jumps.
265 2006-12-16 Jan Hubicka <jh@suse.cz>
267 * cgraphunit.c (ipa_passes): Clear current_function_decl.
269 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
271 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
273 2006-12-16 Jan Hubicka <jh@suse.cz>
275 * omp-low.c (expand_omp_parallel): Set function properties.
276 * function.h (struct function): Add curr_properties and last_verified.
277 * passes.c (register_dump_files): Do not set TODO_set_props for the
279 (init_optimization_passes): Set it here; reorder initialization so the
280 dump files appear in more logical order.
281 (last_verified, curr_properties): Kill.
282 (do_per_function): New function.
283 (execute_function_todo): Break out from ...
284 (execute_todo): ... here; handle per-function flags.
285 (clear_last_verified, verify_curr_properties,
286 update_properties_after_pass): New functions.
287 (execute_one_pass): Handle per-function properties.
288 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
289 and current_function_decls are cleared out.
290 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
293 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
296 * c.opt (Wempty-body): New.
297 * doc/invoke.texi (Wempty-body): Document it.
298 (Wextra): Enabled by -Wextra.
299 * c-opts.c (c_common_post_options): Enabled by -Wextra.
300 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
301 * c-parser.c (c_parser_c99_block_statement): Likewise.
303 2006-12-15 Jakub Jelinek <jakub@redhat.com>
306 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
309 2006-12-15 Andrew Pinski <pinski@gmail.com>
312 * tree-inline.c (setup_one_parameter): Gimplify the statement if
313 the variable is not a gimple register variable.
315 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
317 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
319 2006-12-14 Jan Hubicka <jh@suse.cz>
321 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
324 2006-12-14 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/30197
327 * builtins.c (fold_builtin_cexp): New function to fold cexp
328 to cexpi and exp parts.
329 * tree-ssa-pre.c (try_combine_conversion): Also handle
330 REALPART_EXPR and IMAGPART_EXPR.
332 2006-12-14 Richard Guenther <rguenther@suse.de>
335 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
336 + __complex__ ( 0, y ) to __complex__ ( x, y ).
337 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
339 2006-12-14 Richard Guenther <rguenther@suse.de>
341 PR tree-optimization/30198
342 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
343 Fold IMAGPART_EXPR of cexpi to sin.
345 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
346 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
348 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
349 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
351 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
352 (spu_builtin_mask_for_load): New.
353 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
354 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
355 (vec_realign_load_<mode>, spu_lvsr): New.
357 2006-12-13 Ian Lance Taylor <iant@google.com>
361 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
362 to warn_about_parentheses in c-common.c.
363 * c-common.c (warn_about_parentheses): New function.
364 * c-common.h (warn_about_parentheses): Declare.
365 * doc/invoke.texi (Warning Options): Update -Wparentheses
368 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
370 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
372 (constant_multiple_of): Fix order of operators for division.
373 (aff_combination_const, aff_combination_elt, aff_combination_scale,
374 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
375 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
376 aff_combination_to_tree): Moved to tree-affine.c and made to work with
377 double_int coefficients.
378 (get_computation_aff, get_computation_at): Work with double_int
380 (get_computation_cost_at): Do not use divide.
381 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
382 Assert that expressing the computation did not fail.
383 * tree-ssa-address.c: Include tree-affine.h.
384 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
385 create_mem_ref): Work with double_int coefficients.
386 * tree-affine.c: New file.
387 * tree-affine.h: New file.
388 * tree-flow.h (struct affine_tree_combination): Removed.
389 * Makefile.in (tree-affine.o): Add.
390 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
393 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
397 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
398 the offset == 0 "then" clauses.
399 * config/rs6000/predicates.md (gpc_reg_operand): Check for
402 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
404 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
405 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
406 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
407 (FRAME_POINTER_REGNUM): Update register number to 20.
408 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
409 (HI_REGISTER_NAMES): Remove "dirflag".
411 * config/i386/i386.c (regclass_map): Remove dirflag entry.
412 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
414 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
416 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
417 (sse_prologue_save, *sse_prologue_save_insn): Renumber
418 hardcoded SSE register numbers.
420 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
421 hardcoded MMX register numbers.
424 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
426 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
427 FLDMX. Rename function to...
428 (vfp_output_fldmd): ...this.
429 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
431 (vfp_output_fstmd): ...this.
432 (vfp_emit_fstmx): Don't leave space in the frame layout for the
433 FSTMX format word. Rename function to...
434 (vfp_emit_fstmd): ...this.
435 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
437 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
438 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
439 word. Also emit "vsave" assembler directives in such cases rather
441 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
442 gnu_Unwind_Save_VFP): Adjust comments.
443 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
444 for saving and restoring using FSTMD and FLDMD rather than
446 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
447 New functions for saving and restoring the VFPv3 registers 16 .. 31.
448 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
449 compilation case to correctly handle unwind opcode 0xc8 when using
451 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
452 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
453 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
454 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
456 (restore_non_core_regs): Restore registers using FLDMD rather than
457 FLDMX if required. Also handle restoration of VFPv3 registers.
458 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
459 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
460 including cases where the caller specifies a range of registers
461 that overlaps the d15/d16 boundary.
463 2006-12-13 Diego Novillo <dnovillo@redhat.com>
466 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
467 accomodate 511 operands.
469 2006-12-13 Richard Guenther <rguenther@suse.de>
471 * builtins.c (expand_builtin_cexpi): Fix typo.
473 2006-12-13 Jan Hubicka <jh@suse.cz>
475 * Makefile.in: Add dependencies.
476 * tree-pretty-print.c: Include value-prof.h
477 (dump_generic_bb_buff): Dump histograms
478 * value-prof.c: Include pointer-set.h
479 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
480 set_histogram_value, gimple_histogram_value,
481 gimple_add_histogram_value, gimple_remove_histogram_value,
482 gimple_histogram_value_of_type, dump_histogram_value,
483 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
484 gimple_duplicate_stmt_histograms, visit_hist,
485 verify_histograms): New functions.
486 (tree_value_profile_transformations): Update for new histogram API.
487 (tree_divmod_fixed_value): Update for new histogram API.
488 (tree_divmod_fixed_value_transform): Update for new histogram API.
489 (tree_mod_pow2): Update for new histogram API.
490 (tree_mod_pow2_value_transform): Update for new histogram API.
491 (tree_mod_subtract): Update for new histogram API.
492 (tree_mod_subtract_transform): Update for new histogram API.
493 (tree_stringops_transform): Update for new histogram API.
494 (tree_divmod_values_to_profile): Update for new histogram API.
495 (tree_stringops_values_to_profile): Update for new histogram API.
496 (tree_find_values_to_profile): Update for new histogram API.
497 * value-prof.h (gimple_histogram_value): Declare.
498 (gimple_histogram_value_of_type): Declare.
499 (gimple_add_histogram_value): Declare.
500 (gimple_remove_histogram_value): Declare.
501 (dump_histograms_for_stmt): Declare.
502 (gimple_remove_histogram_value): Declare.
503 (gimple_remove_stmt_histograms): Declare.
504 (gimple_duplicate_stmt_histograms): Declare.
505 (verify_histograms): Declare.
507 (struct funrction): Add value_histograms hash.
508 (VALUE_HISTOGRAMS): New macro.
509 * profile.c (compute_value_histograms): update for new API.
510 * tree-inline.c: Include value-prof.h
511 (copy_bb): Update histograms.
512 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
513 reorder to get smaller memory layout.
514 * tree-cfg.c: Include value-prof.h
515 (bsi_remove): Update histograms.
516 (bsi_replace): Update histograms.
517 (verify_stmts): Call histogram verifier.
518 (tree_duplicate_bb): Update histograms.
519 (move_block_to_fn): Update histograms.
521 2006-12-13 Richard Guenther <rguenther@suse.de>
523 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
525 (cgraph_decide_inlining): Likewise.
527 2006-12-13 Richard Guenther <rguenther@suse.de>
529 PR tree-optimization/17687
530 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
531 New builtins for imaginary argument cexp.
532 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
533 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
534 New required builtin types.
535 * builtins.c (expand_builtin_cexpi): Declare.
536 (mathfn_built_in): Handle BUILT_IN_CEXPI.
537 (expand_builtin_cexpi): New static helper.
538 (expand_builtin): Call it.
539 (do_mpfr_sincos): Adjust for CEXPI evaluation.
540 (fold_builtin_sincos): New function to fold sincos to cepxi.
542 2006-12-13 Richard Guenther <rguenther@suse.de>
544 * ipa-reference.c (scan_for_static_refs): Also scan
545 tcc_comparison class trees.
547 2006-12-12 David Daney <ddaney@avtrex.com>
549 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
552 2006-12-12 Andrew Pinski <pinskia@gmail.com>
554 * tree-vect-transform.c (vect_permute_load_chain):
555 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
558 2006-12-13 Sa Liu <saliu@de.ibm.com>
559 Ben Elliston <bje@au.ibm.com>
561 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
562 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
563 * config/spu/spu-protos.h (spu_c_common_override_options):
565 * config/spu/spu-c.c (spu_c_common_override_options): New.
566 * config/spu/spu.c (spu_override_options): Whitespace fix.
568 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
570 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
572 2006-12-12 Geoffrey Keating <geoffk@apple.com>
574 * mips-tdump.c: Replace CROSS_COMPILE with
575 CROSS_DIRECTORY_STRUCTURE.
576 * mips-tfile.c: Likewise.
578 * configure.ac: Likewise.
579 * cppdefault.c: Likewise.
580 * Makefile.in: Likewise.
581 * config/alpha/osf.h: Likewise.
582 * config/i386/cygwin.h: Likewise.
583 * config/i386/beos-elf.h: Likewise.
584 * config/i386/nto.h: Likewise.
585 * config/fr30/fr30.h: Likewise.
586 * config/svr4.h: Likewise.
587 * config/rs6000/aix.h: Likewise.
588 * config/rs6000/sysv4.h: Likewise.
589 * config/pa/pa64-hpux.h: Likewise.
590 * config/pa/pa-hpux10.h: Likewise.
591 * config/pa/pa-hpux11.h: Likewise.
592 * collect2.c: Likewise.
593 * configure: Regenerate.
595 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
596 actually takes an unsigned HOST_WIDE_INT for its second parameter.
598 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
600 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
601 (spu_encode_section_info): New.
602 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
603 (SYMBOL_FLAG_ALIGN1): New.
605 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
608 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
609 bitmap for EXECUTE_IF_SET_IN_BITMAP.
611 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
614 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
615 (DECL_GIMPLE_REG_P): This.
616 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
618 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
619 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
620 and check for VECTOR_TYPE.
621 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
623 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
625 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
626 and check for VECTOR_TYPE.
627 (gimplify_bind_expr): Likewise.
628 (gimplify_function_tree): Likewise.
629 * expmed.c: Include target.h.
630 (extract_bit_field): For vector mode, try find a better mode first.
631 If that fails use gen_lowpart (for vectors only).
632 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
633 and check for VECTOR_TYPE.
634 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
635 (insert_into_preds_of_block): Likewise.
636 (insert_fake_stores): Create gimple register store_tmps for
638 * tree-sra.c (sra_elt): New field, is_vector_lhs.
639 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
640 are the left hand side, set the element's is_vector_lhs to true.
641 (instantiate_element): For vector types which were on the left
642 hand size, set DECL_GIMPLE_REG_P to false.
643 * tree-nested.c (create_tmp_var_for): Use the renamed
645 * tree-inline.c (declare_return_variable): Use the renamed
646 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
647 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
648 (copy_result_decl_to_var): Likewise.
649 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
650 create a gimple register variable.
651 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
652 vect_inter_* temp variables.
653 * Makefile.in (expmed.o): Update dependencies.
655 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
657 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
658 the offset == 0 "then" clauses.
659 * config/rs6000/predicates.md (gpc_reg_operand): Check for
662 2006-12-12 Marcin Dalecki <martin@dalecki.de>
664 * doc/passes.texi: remove docs about "redundant PHI removal".
665 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
666 remove redundant pass_partition_blocks declaration.
668 2006-12-12 Andrew Macleod <amacleod@redhat.com>
670 PR tree-optimization/30159
671 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
672 functions in case a default_def coalesce is required.
674 2006-12-12 Jakub Jelinek <jakub@redhat.com>
677 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
679 * config/ia64/linux.h (CPP_SPEC): Define.
680 * config/s390/linux.h (CPP_SPEC): Define.
682 2006-12-12 Jim Wilson <wilson@specifix.com>
683 Jakub Jelinek <jakub@redhat.com>
685 PR rtl-optimization/27761
686 * combine.c (try_combine): Don't create a useless garbage SET
687 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
688 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
689 and use it to prevent accidental modification of i1src.
691 2006-12-12 Ira Rosen <irar@il.ibm.com>
693 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
694 for stores with gaps.
695 * tree-vect-transform.c (vect_permute_store_chain): Create
696 interleave_high or interleave_low according to the endianess.
698 2006-12-12 Richard Guenther <rguenther@suse.de>
701 * fold-const.c (fold_read_from_constant_string): Only fold read
702 from constant string if the result type is integer.
704 2006-12-12 Olivier Hainque <hainque@adacore.com>
706 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
708 2006-12-12 Olivier Hainque <hainque@adacore.com>
710 * config/vxlib.c: Extract tls related routines into ...
711 * config/vxlib-tls.c: New file.
712 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
714 2006-12-12 Sa Liu <saliu@de.ibm.com>
715 Ben Elliston <bje@au.ibm.com>
717 * config/spu/spu.opt (mfixed-range): New option.
718 * config/spu/spu.h (spu_fixed_range_string): Declare.
719 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
720 (fix_range): New function.
721 * doc/invoke.texi (SPU Options): Document -mfixed-range.
722 * testsuite/gcc.target/spu/fixed-range.c: New.
723 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
725 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
729 * cgraphunit.c (cgraph_optimize): Remove call to
730 process_pending_assemble_externals.
732 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
734 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
736 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
737 (ia64_hpux_add_extern_decl): Removed.
738 (ia64_hpux_file_end): Likewise.
739 (extern_func_list): Likewise.
740 (extern_func_head): Likewise.
742 * output.h (assemble_external): Update comments.
743 (default_elf_asm_output_external): New.
744 (maybe_assemble_visibility): New.
746 * toplev.c (compile_file): Update comment.
748 * varasm.c (assemble_external): Always put it on
749 pending_assemble_externals.
750 (maybe_assemble_visibility): Make it extern and return int.
751 (default_elf_asm_output_external): New.
753 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
755 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
756 can't handle the pointer arithmetic.
758 2006-12-11 Diego Novillo <dnovillo@redhat.com>
760 * doc/tree-ssa.texi: Update documentation for virtual operands
761 and the use of push_stmt_changes/pop_stmt_changes.
762 * doc/invoke.texi: Remove documentation for params
763 global-var-threshold.
764 Update documentation on max-aliased-vops.
766 * tree-into-ssa.c: Cleanup comments, variables and
767 spacing in various functions.
768 (regs_to_rename): Declare.
769 (mem_syms_to_rename): Declare.
770 (dump_update_ssa): Declare.
771 (debug_update_ssa): Declare.
772 (dump_names_replaced_by): Declare.
773 (debug_names_replaced_by): Declare.
774 (dump_def_blocks): Declare.
775 (debug_def_blocks): Declare.
776 (dump_defs_stack): Declare.
777 (debug_defs_stack): Declare.
778 (dump_currdefs): Declare.
779 (debug_currdefs): Declare.
780 (mark_def_sites): Do not handle virtual operands.
781 (compute_idf): Rename from find_idf. Update users.
782 (register_new_def): Make local. Convert second argument
784 Use BLOCK_DEFS_STACK directly.
785 If pushing a non-register, also push the underlying
787 (rewrite_stmt): Do not handle virtual operands.
788 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
789 dump_currdefs and dump_tree_ssa_stats.
790 (dump_tree_ssa_stats): Also dump REPL_TBL.
791 (replace_use): Remove. Update all users to call SET_USE
793 (rewrite_blocks): Move code to free memory to
795 (mark_def_site_blocks): Move initialization code to
797 (init_ssa_renamer): New.
798 (fini_ssa_renamer): New.
799 (rewrite_into_ssa): Call them.
800 (prepare_block_for_update): Process SSA_OP_ALL_USES first
801 and SSA_OP_ALL_DEFS later. Do not process virtual
803 (dump_update_ssa): Call dump_decl_set.
804 (init_update_ssa): Initialize regs_to_rename and
806 Call init_ssa_renamer.
807 (delete_update_ssa): Call fini_ssa_renamer.
808 Free blocks_with_phis_to_rewrite.
809 (mark_sym_for_renaming): If the variable has
810 sub-variables, also mark them.
811 If the variable belongs to a partition, also mark it.
812 (mark_set_for_renaming): Call mark_sym_for_renaming on
813 every symbol in the set.
814 (switch_virtuals_to_full_rewrite): Call
815 mark_set_for_renaming.
816 (update_ssa): Separate syms_to_rename into regs_to_rename
817 and mem_syms_to_rename.
819 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
820 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
821 (debug_generic_stmt): Likewise.
822 (debug_tree_chain): Likewise.
824 (dump_generic_node): Check for TDF_MEMSYMS.
825 Handle MEMORY_PARTITION_TAG.
826 If the statement references memory and TDF_MEMSYMS is
827 given, call dump_symbols.
828 Indicate default names with (D).
829 (dump_vops): Update for new virtual operator format.
831 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
832 tree_contains_struct.
833 (tree_code_size): Handle MEMORY_PARTITION_TAG.
834 (tree_node_structure): Likewise.
835 (needs_to_live_in_memory): Handle SSA names.
836 * tree.h (MTAG_P): Likewise.
837 (struct tree_memory_partition_tag): Declare.
838 (MPT_SYMBOLS): Define.
839 (union tree_node): Add field 'mpt'.
840 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
841 * tree.def (MEMORY_PARTITION_TAG): Define.
843 * tree-pass.h (TDF_MEMSYMS): Define.
845 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
847 * tree-ssa-alias.c: Include pointer-set.h
848 (struct alias_map_d): Remove fields total_alias_vops,
849 grouped_p and may_aliases. Update all users.
850 (struct mp_info_def): Declare.
851 (mp_info_t): New type.
852 (get_smt_for): Rename from get_tmt_for. Update all
854 (add_may_alias): Add argument ALREADY_ADDED. If given,
855 use it to avoid adding duplicate entries to alias sets.
856 (replace_may_alias): Remove. Update all users.
857 (total_alias_vops_cmp): Remove. Update all users.
858 (group_aliases_into): Remove. Update all users.
859 (tree_pointer_compare): Remove. Update all users.
860 (compact_name_tags): Remove. Update all users.
861 (group_aliases): Remove. Update all users.
862 (mark_non_addressable): Move from tree-flow-inline.h.
863 Remove the symbol from the partition holding it, if
866 (debug_mp_info): New.
868 (create_partition_for): New.
869 (rewrite_alias_set_for): New.
870 (compute_memory_partitions): New.
871 (compute_may_aliases): Call it.
872 (init_alias_info): If computing aliases for the first
873 time, mark every memory symbol for renaming.
874 (have_common_aliases_p): New.
875 (compute_flow_insensitive_aliasing): Call it.
876 (setup_pointers_and_addressables): Do not cache
878 For register promoted symbols, mark their former
879 partition for renaming.
880 (maybe_create_global_var): Only create .GLOBAL_VAR if
881 there are no call-clobbered variables and a mix of pure
882 and non-pure functions were found.
883 (may_alias_p): Tidy comments.
884 (create_tag_raw): Remove unused variable new_type.
885 (dump_alias_info): call dump_memory_partitions.
886 (dump_points_to_info_for): Call dump_decl_set.
887 (may_be_aliased): Tidy comments and formatting.
889 * timevar.def (TV_MEMORY_PARTITIONING): Define.
890 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
891 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
893 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
894 * tree-vect-transform.c (vect_transform_loop): Call
895 mark_set_for_renaming with vect_memsyms_to_rename.
896 * tree-flow-inline.h (zero_imm_uses_p): New.
897 (memory_partition): New.
898 (set_memory_partition): New.
899 (factoring_name_p): New.
900 (symbol_mem_tag): New. Update every function that used
901 to access the annotation directly.
902 (set_symbol_mem_tag): Likewise.
904 * tree-ssa-copy.c (may_propagate_copy): Allow copies
905 between a partition and a symbol as long as the symbol
906 belongs to the partition.
907 (merge_alias_info): Ignore merge requests when memory
908 partitions are involved.
910 * tree-ssa.c (verify_ssa_name): Check that default
911 definitions have empty defining statements.
912 (verify_use): Remove argument IS_VIRTUAL.
913 Don't call verify_ssa_name.
914 (verify_phi_args): Call verify_ssa_name.
915 (verify_flow_insensitive_alias_info): Handle MPTs.
916 (verify_flow_sensitive_alias_info): Likewise.
917 (verify_name_tags): Likewise.
918 (verify_call_clobbering): Likewise.
919 (verify_ssa): Check for VOPs only after aliasing
920 information is available.
921 Check virtuals and real operands separately.
922 Call verify_ssa_name on every operand.
923 (stmt_references_memory_p): Move to tree-ssa-operands.c.
924 (walk_use_def_chains_1): Guard against NULL PHI
927 * tree-ssa-operands.c (stmt_references_memory_p): Move from
930 (dump_memory_partitions): New.
931 (debug_memory_partitions): New.
933 * tree-flow.h (struct var_ann_d): Add field mpt.
934 (struct stmt_ann_d): Add bitfield references_memory.
935 * Makefile.in (tree-ssa-structalias.o): Include
937 (tree-ssa-alias.o): Likewise.
938 * tree-ssa-structalias.c: (update_alias_info): Use
939 STORED_SYMS to determine which variables are being
940 written to by the store operation.
941 * tree-ssa-structalias.h (struct alias_info)
942 <total_alias_vops>: Remove. Update all users.
943 <written_vars>: Change to a pointer set. Update all
945 <dereferenced_ptrs_store>: Likewise.
946 <dereferenced_ptrs_load>: Likewise.
947 (NUM_REFERENCES): Remove. Update all users.
948 (NUM_REFERENCES_CLEAR): Remove. Update all users.
949 (NUM_REFERENCES_INC): Remove. Update all users.
950 (NUM_REFERENCES_SET): Remove. Update all users.
952 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
954 (PARAM_MAX_ALIASED_VOPS): Set to 10.
955 * tree-ssanames.c (make_ssa_name): Initialize
956 SSA_NAME_IS_DEFAULT_DEF to 0.
958 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
960 * tree-ssa-dse.c (aggregate_vardecl_d): New.
961 (dse_global_data): Add aggregate_vardecl field.
962 (dse_possible_dead_store_p): New.
963 Add prev_defvar variable.
964 Allow immediate uses and previous immediate uses to differ
965 if they are setting different parts of the whole.
966 (get_aggregate_vardecl): New.
967 (dse_record_partial_aggregate_store): New.
968 (dse_whole_aggregate_clobbered_p): New.
969 (dse_partial_kill_p): New.
970 (dse_optimize_stmt): Abstract code checking a possible dead store
971 into new function dse_possible_dead_store_p().
972 Call dse_maybe_record_aggregate_store().
973 When checking whether a STMT and its USE_STMT refer to the
974 same memory address, check also for partial kills that clobber
976 Move some variable definitions to the block where they are used.
977 (aggregate_vardecl_hash): New.
978 (aggregate_vardecl_eq): New.
979 (aggregate_vardecl_free): New.
980 (aggregate_whole_store_p): New.
981 (tree_ssa_dse): Initialize and free aggregate_vardecl.
982 Mark which aggregate stores we care about.
984 2006-12-11 Andrew Macleod <amacleod@redhat.com>
986 * tree-ssa-operands.h (struct vuse_element_d): Declare.
987 (vuse_element_t): Declare.
988 (struct vuse_vec_d): Declare.
989 (vuse_vec_p): Declare.
990 (VUSE_VECT_NUM_ELEM): Define.
991 (VUSE_VECT_ELEMENT_NC): Define.
992 (VUSE_ELEMENT_PTR_NC): Define.
993 (VUSE_ELEMENT_VAR_NC): Define.
994 (VUSE_VECT_ELEMENT): Define.
995 (VUSE_ELEMENT_PTR): Define.
996 (VUSE_ELEMENT_VAR): Define.
997 (struct maydef_optype_d) <use_var>: Remove.
1000 (struct vuse_optype_d) <kill_var>: Remove.
1003 (struct mustdef_optype_d) <kill_var>: Remove.
1006 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1007 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1009 (VUSE_VECT): Define.
1010 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1011 (MAYDEF_OP): Add argument. Use VUSE_OP.
1012 (MAYDEF_NUM): Define.
1013 (MAYDEF_VECT): Define.
1014 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1015 (MUSTDEF_KILL): Use VUSE_OP.
1016 (MUSTDEF_NUM): Define.
1017 (MUSTDEF_VECT): Define.
1018 (realloc_maydef): Declare.
1019 (realloc_vuse): Declare.
1020 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1021 <mayuse_index>: Add.
1022 (LOADED_SYMS): Define.
1023 (STORED_SYMS): Define.
1024 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1025 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1027 * tree-pretty-print.c: Likewise.
1028 * tree-ssa-dse.c: Likewise.
1029 * tree-flow-inline.h: Likewise.
1030 (op_iter_next_mustdef): New.
1031 * tree-ssa-operands.c: Likewise.
1032 (ALLOC_OPTYPE): Remove.
1036 (alloc_maydef): New.
1038 (alloc_mustdef): New.
1039 (realloc_maydef): New.
1040 (realloc_vuse): New.
1042 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1044 * tree-ssa-operands.c: Remove build_v_must_defs.
1045 (init_ssa_operands): Delete build_v_must_defs.
1046 (finalize_ssa_v_must_def_ops): Remove.
1047 (finalize_ssa_v_must_defs): Remove.
1048 (finalize_ssa_stmt_operands): Do not call
1049 finalize_ssa_v_must_defs.
1050 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1051 (append_v_must_def): Delete.
1052 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1053 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1054 comment. Remove opf_kill_def.
1055 (build_ssa_operands): Remove references to v_must_defs.
1056 (copy_virtual_operands): Same.
1057 (copy_virtual_operands): Same.
1058 (fini_ssa_operands): Same.
1059 (free_ssa_operands): Same.
1060 (add_mustdef_op): Remove.
1061 Remove mustdef_optype_p.
1062 (alloc_mustdef): Remove.
1063 Remove references to V_MUST_DEFs in comment at top of file.
1064 (get_expr_operands): Remove opf_kill_def.
1065 (opf_kill_def): Remove.
1066 (add_virtual_operand): Remove opf_kill_def.
1067 (get_indirect_ref_operands): Same.
1068 (get_tmr_operands): Same.
1070 * tree-vectorizer.c (rename_variables_in_bb): Remove
1073 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1075 (check_loop_closed_ssa_stmt): Same.
1077 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1079 (verify_ssa): Remove V_MUST_DEFs traces.
1080 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1082 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1084 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1085 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1087 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1089 (MUSTDEF_OPS): Remove.
1090 (SSA_OP_VMUSTDEF): Remove.
1091 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1092 (struct mustdef_optype_d): Remove.
1093 Remove mustdef_optype_p.
1094 (struct stmt_operands_d): Remove mustdef_ops.
1095 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1096 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1097 (MUSTDEF_RESULT_PTR): Remove.
1098 (MUSTDEF_RESULT): Remove.
1099 (MUSTDEF_KILL_PTR): Remove.
1100 (MUSTDEF_KILL): Remove.
1101 (MUSTDEF_NUM): Remove.
1102 (MUSTDEF_VECT): Remove.
1103 (SSA_OP_VIRTUAL_KILLS): Remove.
1104 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1105 (SSA_OP_VMUSTKILL): Remove.
1106 (SSA_OP_ALL_KILLS): Remove.
1107 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1109 * tree-flow-inline.h (op_iter_init_def): Remove
1110 SSA_OP_VIRTUAL_KILLS.
1111 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1113 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1114 SSA_OP_VIRTUAL_KILLS.
1116 * tree-ssa-loop-im.c (determine_max_movement): Remove
1117 SSA_OP_VIRTUAL_KILLS.
1118 (gather_mem_refs_stmt): Same.
1119 (gather_mem_refs_stmt): Same.
1121 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1122 (perform_tree_ssa_dce): Remove call to
1123 mark_really_necessary_kill_operand_phis.
1125 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1127 (op_iter_next_use): Do not check mustkills.
1128 (op_iter_next_def): Do not check mustdefs.
1129 (op_iter_next_tree): Do not check mustkills or mustdefs.
1130 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1131 (op_iter_next_maymustdef): Do not check mustkills.
1132 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1133 (op_iter_init_mustdef): Remove.
1135 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1138 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1140 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1141 (visit_assignment): Same.
1143 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1145 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1147 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1149 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1150 Remove kill_p variable.
1152 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1153 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1154 (collect_dfa_stats_r): Do not set num_v_must_defs.
1155 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1158 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1161 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1162 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1164 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1167 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1169 PR rtl-optimization/30113
1170 * loop-iv.c (implies_p): Require the mode of the operands to be
1173 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1175 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1176 Rename from create_ssa_artficial_load_stmt. Update all users.
1177 * tree-into-ssa.c (register_new_def): Make static.
1178 * tree.c (is_global_var): Handle SSA_NAMEs.
1179 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1180 that used to call gimple_default_def.
1181 * tree-ssa-operands.c (push_stmt_changes): New.
1182 (pop_stmt_changes): New. Update every pass that modifies
1183 statements to bracket modifications with
1184 push_stmt_changes/pop_stmt_changes.
1185 (discard_stmt_changes): New.
1186 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1187 'tree *' instead of 'tree'. Update all users.
1188 * tree-flow-inline.h (zero_imm_uses_p): New.
1189 (symbol_mem_tag): New. Update every function that used
1190 to access the annotation directly.
1191 (set_symbol_mem_tag): Likewise.
1192 * tree-dfa.c (dump_variable): Always show the escape mask.
1193 (mark_symbols_for_renaming): Rename from
1194 mark_new_vars_to_rename. Update all users.
1195 Only mark to rename naked symbols in real and virtual
1198 2006-12-11 Andreas Schwab <schwab@suse.de>
1200 * varasm.c (elf_record_gcc_switches): Cast second argument of
1201 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1203 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1205 * tree-scalar-evolution.c (scev_const_prop):
1206 * tree-phinodes.c (remove_phi_node): Add argument
1207 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1210 * tree-ssa-dce.c: Remove forward declarations for static
1211 functions. Re-arrange functions bodies as needed.
1212 (find_obviously_necessary_stmts): Never mark PHI nodes as
1213 obviously necessary.
1215 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1217 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1219 2006-12-11 Jan Hubicka <jh@suse.cz>
1221 * value-prof.c (tree_stringops_transform): New.
1222 (tree_value_profile_transformations): Require count to be non-zero;
1223 call stringop transform; reset stmt BSI after BB changed.
1224 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1225 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1226 (tree_stringops_values_to_profile): New.
1227 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1228 * tree.h (build_string_literal): Tidy prototype.
1229 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1231 * builtins.c (validate_arglist, builtin_memset_read_str,
1232 get_pointer_alignment): Export.
1234 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1238 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1240 * config/i386/i386.opt: New target option -mx87regparm.
1242 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1243 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1244 (X87_REGPARM_MAX): Define.
1246 * config/i386/i386.c (override_options): Error out for
1247 -mx87regparm but no 80387 support.
1248 (ix86_attribute_table): Add x87regparm.
1249 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1250 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1251 (ix86_function_x87regparm): New function.
1252 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1254 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1256 (function_arg_advance): Process x87_nregs and x87_regno when
1257 floating point argument is to be passed in 80387 register.
1258 (function_arg): Pass XFmode arguments in 80387 registers for local
1259 functions. Pass SFmode and DFmode arguments to local functions
1260 in 80387 registers when flag_unsafe_math_optimizations is set.
1262 * reg-stack.c (convert_regs_entry): Disable NaN load for
1263 stack registers that are used for argument passing.
1265 * doc/extend.texi: Document x87regparm function attribute.
1266 * doc/invoke.texi: Document -mx87regparm.
1268 2006-12-11 Jan Hubicka <jh@suse.cz>
1270 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1271 * cgraph.c: Update comments.
1272 (cgraph_varpool_hash,
1273 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1274 cgraph_varpool_node_name, cgraph_varpool_node,
1275 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1276 cgraph_variable_initializer_availability): Move to
1277 varpool.c and drop cgraph_ prefixes.
1278 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1279 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1280 move to varpool.c; drop cgraph_ prefix; make static.
1281 (dump_cgraph_varpool_node): Move to varpool.c under name
1283 (dump_varpool, hash_varpool_node, eq_varpool_node,
1284 decide_is_variable_needed): Move to varpool.c
1285 (decl_assembler_name_equal): Move to tree.c.
1286 (availability_names): Rename to ...
1287 (cgraph_availability_names): ... this one.
1288 (dump_cgraph_node): Update.
1289 * cgraph.h: Reorder declarations now in varpool.c
1290 (cgraph_vailablity_names): Declare.
1291 (struct cgraph_varpool_node): Rename to ...
1292 (struct varpool_node): ... this one.
1293 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1294 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1295 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1296 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1297 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1298 cgraph_variable_initializer_availability): Rename to ...
1299 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1300 varpool_first_unanalyzed_node, varpool_node,
1301 varpool_node_for_asm, varpool_mark_needed_node,
1302 varpool_finalize_decl, varpool_enqueue_needed_node,
1303 varpool_assemble_pending_decls, variable_initializer_availability):
1305 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1306 * tree.h (decl_assembler_name_equal): Declare.
1307 * omp-low.c (lower_omp_critical): Update.
1308 * ipa-reference (analyze_variable, static_execute): Likewise.
1309 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1310 * cgraphunit.c: Update comments.
1311 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1312 varpool_assembled_nodes_queue.
1313 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1314 varpool_analyze_pending_decls.
1315 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1316 varpool_remove_unreferenced_decls.
1317 (record_reference): Update.
1318 (cgraph_create_edges): Update.
1319 (record_referneces_in_initializer): New function.
1320 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1321 varpool_assemble_decl; make global.
1322 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1323 varpool_assemble_pending_decls.
1324 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1325 struct cgraph_order_sort, cgraph_output_in_order,
1326 cgraph_function_and_variable_invisibility, cgraph_optimize,
1327 cgraph_increase_alignment): Update.
1328 * dwarf2out.c (decls_for_scope): Likewise.
1329 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1330 * except.c (output_ttype): Likewise.
1331 * varasm.c (mark_decl_referenced): Likewise.
1332 (find_decl_and_mark_referenced, assemble_alias): update.
1333 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1334 * passes.c (rest_of_decl_compilation): Update.
1336 2006-12-11 Ira Rosen <irar@il.ibm.com>
1338 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1339 GIMPLE_STMT_OPERAND.
1340 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1341 (vect_setup_realignment): Likewise.
1343 2006-12-11 Sa Liu <saliu@de.ibm.com>
1344 Ben Elliston <bje@au.ibm.com>
1346 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1347 (ENDFILE_SPEC): Likewise.
1348 * config/spu/spu.opt (mstdmain): New option.
1349 * config/spu/crti.asm: Remove.
1350 * config/spu/crtn.asm: Likewise.
1351 * config/spu/crt0.c: Likewise.
1352 * config/spu/crtend.c: Likewise.
1353 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1355 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1356 * doc/invoke.texi (SPU Options): Document -mstdmain.
1358 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1360 * doc/loop.texi: Document number_of_latch_executions and
1361 number_of_cond_exit_executions.
1362 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1363 chrec_is_positive, number_of_iterations_for_all_loops,
1364 scev_const_prop): Use number_of_latch_executions.
1365 (set_nb_iterations_in_loop): Do not increase the value of the
1366 number of iterations.
1367 (number_of_iterations_in_loop): Renamed to ...
1368 (number_of_latch_executions): ... this.
1369 (number_of_exit_cond_executions): New function.
1370 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1372 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1373 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1374 number_of_latch_executions.
1375 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1376 number_of_exit_cond_executions.
1377 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1378 * cfgloop.h (struct loop): Improve description of the nb_iterations
1381 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1383 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1384 (tree_pointer_compare): Remove.
1386 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1388 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1389 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1390 * tree-loop-linear.c (linear_transform_loops): Ditto.
1391 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1392 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1393 free_numbers_of_iterations_estimates): Ditto.
1394 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1395 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1396 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1397 * modulo-sched.c (sms_schedule): Ditto.
1398 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1399 tree_unroll_loops_completely): Ditto.
1400 * predict.c (predict_loops): Ditto.
1401 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1402 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1403 decide_unrolling_and_peeling): Ditto.
1404 * cfgloopmanip.c (unloop): Use delete_loop.
1405 (place_new_loop): Access larray vector instead of parray.
1406 (create_preheaders, force_single_succ_latches,
1407 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1408 * loop-doloop.c (doloop_optimize_loops): Ditto.
1409 * loop-invariant.c (move_loop_invariants): Ditto.
1410 * tree-cfg.c (replace_uses_by): Ditto.
1411 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1412 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1414 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1416 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1417 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1418 get_loop and get_chrec_loop.
1419 (number_of_iterations_for_all_loops): Use number_of_loops.
1420 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1421 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1422 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1424 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1425 chrec_convert_1): Use get_loop and get_chrec_loop.
1426 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1427 (loop_optimizer_init): Use FOR_EACH_LOOP.
1428 * tree-vectorizer.c (vect_loops_num): Removed.
1429 (vectorize_loops): Store number of loops locally. Use
1430 FOR_EACH_LOOP and get_loop.
1431 * tree-vectorizer.h (vect_loops_num): Removed.
1432 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1433 (find_data_references_in_loop): Do not set parallel_p.
1434 * tree-data-ref.h: Do not declare VEC(loop_p).
1435 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1436 verify_loop_structure): Use FOR_EACH_LOOP.
1437 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1438 (initialize_loops_parallel_p): Removed.
1439 (flow_loops_find): Push the loops into a vector.
1440 (delete_loop): New function.
1441 (cancel_loop): Use delete_loop.
1442 * cfgloop.h: Declare VEC(loop_p).
1443 (struct loop): Remove parallel_p field.
1444 (struct loops): Replace num and parray field by larray vector.
1445 Remove shared_headers field.
1446 (delete_loop): Declare.
1447 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1448 FOR_EACH_LOOP): New.
1449 * doc/loop.tex: Document new accessor functions.
1451 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1453 * common.opt (-ftree-lrs): Remove live range splitting option.
1454 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1455 * opts.c (decode_options): Remove flag_tree_live_range_split.
1456 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1457 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1458 * tree-outof-ssa.c: Remove header files which aren't needed.
1459 (SSANORM_*): Remove flags.
1460 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1461 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1462 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1463 (assign_vars): Use Basevar instead of root_var structure.
1464 (replace_def_variable): Dont do anything if def is replaceable.
1465 (remove_ssa_form): Integrate functional changes.
1466 (rewrite_out_of_ssa): Remove live-range_split option.
1467 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1468 (coalesce_cost): Calculate the cost of a coalesce.
1469 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1470 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1471 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1472 (pop_best_coalesce): Remove the best coalesce from the list.
1473 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1474 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1475 (create_coalesce_list): Create a coalesce list object.
1476 (delete_coalesce_list): Free a coalesce list object.
1477 (find_coalesce_pair): Find matching pair in the coalesce list.
1478 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1479 (add_coalesce): Add a coalesce to the coalesce list.
1480 (compare_pairs): Comparision function to determine pair sorted order.
1481 (num_coalesce_pairs): Number of coalesced pairs.
1482 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1483 Coalesce pair iterator functions.
1484 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1485 (dump_coalesce_list): Show coalesce list.
1486 (ssa_conflicts_new): Create an SSA conflict graph.
1487 (ssa_conflicts_delete): Delete an SSA conflict graph.
1488 (ssa_conflicts_test_p): Test for conflicts.
1489 (ssa_conflicts_add_one): Add a single conflict.
1490 (ssa_conflicts_add): Add a conflict pair.
1491 (ssa_conflicts_merge): Merge conflicts.
1492 (struct live_track_d): Struct for tracking live partitions.
1493 (new_live_track): Create new live_track object.
1494 (delete_live_track): Delete a live_track object.
1495 (live_track_remove_partition): Remove a partition from the live list.
1496 (live_track_add_partition): Add a partition from the live list.
1497 (live_track_clear_var): Take VAR from the live list.
1498 (live_track_live_p): Is var live?
1499 (live_track_process_use): Make var come alive.
1500 (live_track_process_def): Make var go dead, add conflicts.
1501 (live_track_init): Initialize to a live on exit set.
1502 (live_track_clear_base_vars): Clear live partitions.
1503 (build_ssa_conflict_graph): Build a conflict graph.
1504 (print_exprs): Common debug output routine.
1505 (abnormal_corrupt): Output info about a failed coalesce across an
1507 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1508 (create_outofssa_var_map): Create a var map and coalesce list.
1509 (attempt_coalesce): Coalesce a pair.
1510 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1511 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1512 * tree-ssa-live.c: Remove header files which aren't needed.
1513 (var_map_base_init): New. Initialize a basevar list.
1514 (var_map_base_fini): New. Finish a basevar list.
1515 (init_var_map): Initialize new fields.
1516 (delete_var_map): Free new fields.
1517 (var_union): Use renamed fields.
1518 (compact_var_map): Remove.
1519 (partition_to_view_init): Use renamed fields, change order of an if.
1520 (partition_view_fini): Use renamed fields.
1521 (partition_view_normal): Create basevar list if requested.
1522 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1523 (change_partition_var): Use renamed fields.
1524 (create_ssa_var_map): Remove.
1525 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1526 root_var_init): Remove.
1527 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1528 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1529 compare_pairs, num_coalesce_pairs, first_partition_pair,
1530 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1531 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1532 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1533 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1534 (dump_var_map): Use renamed fields.
1535 * tree-ssa-live.h (struct _var_map): Modify fields.
1536 (partition_to_var, version_to_var, var_to_partition): Use renamed
1538 (basevar_index): New. Index of the base variable of a partition.
1539 (num_basevars): New. Number of unique base variables in partition map.
1540 (register_ssa_partition): Use renamed fields.
1541 (struct tree_partition_associator_d): Remove.
1542 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1543 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1544 root_var, root_var_first_partition, root_var_next_partition,
1545 root_var_dump, root_var_delete, root_var_remove_partition,
1546 root_var_find, root_var_compact, root_var_decompact): Remove.
1547 (struct partition_pair, struct coalesce_list_d): Moved to
1549 * tree-ssa-ter.c: Remove header files which aren't needed.
1551 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1553 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1554 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1556 (cse_visited_basic_blocks): New static bitmap.
1557 (cse_end_of_basic_block, cse_basic_block): Remove.
1558 (cse_find_path, cse_dump_path, cse_prescan_path,
1559 cse_extended_basic_block): New static functions.
1560 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1561 basic block boundaries. Don't record jump equivalences here.
1562 Update the CFG after doing in-place replacement of the SET_SRC.
1563 (cse_main): Rewrite. Look for extended basic block headers
1564 and call cse_extended_basic_block on them until all paths that
1565 start at this header are exhausted.
1566 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1567 and correct after cse_main.
1568 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1569 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1570 (pass_cse): Add TODO_verify_flow.
1571 (pass_cse2): Likewise.
1573 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1575 * reload1.c (choose_reload_regs): Don't set byte offset when
1576 resolving subregs of hard regs.
1578 2006-12-09 Zack Weinberg <zackw@panix.com>
1580 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1581 suitable for the language, if set_yydebug is true.
1582 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1583 YYDEBUG or declare yydebug.
1584 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1586 2006-12-09 Jan Hubicka <jh@suse.cz>
1588 * cgraph.c: Update copyright.
1589 * cgraph.h: Likewise
1590 (cgraph_update_pending_function): Remove prototype.
1591 * cgraphunit.c: Update copyright; update overall comment.
1592 (cgraph_assemble_pending_functions): Make local.
1594 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1596 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1598 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1600 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1602 (cpat_const_p, gen_cpat_const): Add.
1603 * config/spu/spu.c (immediate_class): New enum.
1604 (cpat_info, classify_immediate): New.
1605 (print_operand): Use S, D, T instead of F, G, H. Use
1606 classify_immediate. Handle cpat cases.
1607 (spu_split_immediate): Renamed from spu_split_address. Split all
1608 immediates that can be split.
1609 (immediate_load_p): Use classify_immediate.
1610 (spu_legitimate_constant_p): Accept everything except some cases of
1612 (spu_expand_move): Use spu_split_immedate.
1613 (fsmbi_const_p): Use classify_immediate.
1614 (cpat_const_p): New.
1615 (gen_cpat_const: New.
1616 * config/spu/constraints.md (j,k,l): New constraints for cpat
1618 * config/spu/spu.md (unnamed splitter): Change address splitter to
1619 handle all immediates.
1620 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1622 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1625 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1628 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1629 patterns. Correct length of high:DI instruction sequence.
1631 2006-12-08 Mike Stump <mrs@apple.com>
1633 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1634 libgcc with -mmacosx-version-min=10.4.
1635 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1636 G4 for 10.5+ unless doing kernel builds.
1638 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1641 * reg-stack.c (convert_regs_entry): Mark current argument passing
1644 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1645 of float arguments in x87 registers.
1647 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1649 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1651 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1653 * recog.c (mode_dependent_address_p): Identify pre-increment,
1654 pre-decrement, post-increment and post-decrement addressing as always
1655 being mode-dependent.
1656 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1657 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1658 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1659 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1660 PRE_INC and POST_INC checks.
1661 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1662 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1663 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1664 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1665 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1666 PRE_INC, POST_DEC and POST_INC cases.
1667 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1668 Delete POST_INC and PRE_DEC cases.
1669 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1671 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1672 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1674 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1675 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1676 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1677 PRE_INC and PRE_DEC cases.
1678 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1679 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1680 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1681 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1682 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1683 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1684 auto-increment cases.
1685 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1686 auto-increment cases.
1687 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1689 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1691 * Makefile.in: Add new file tree-ssa-ter.c.
1692 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1693 free_temp_expr_table, add_value_to_version_list,
1694 add_value_to_partition_list, remove_value_from_partition_list,
1695 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1696 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1697 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1698 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1700 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1701 (struct value_expr_d): Remove.
1702 (struct temp_expr_table_d): Rename fields, add explicit vector of
1703 replaceable expressions instead of sharing. Change value_expr_p's to
1704 bitmap. Delete free_list.
1705 (new_temp_expr_table): Rename fields, count number of ssa_names in
1707 (free_temp_expr_table): Rename field, free new fields.
1708 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1709 add_info_to_list, remove_value_from_list): Delete.
1710 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1711 (make_dependent_on_partition): New. Set bit in version list, allocating
1712 a bitmap if need be.
1713 (add_to_partition_kill_list): New. Set bit in the partition list,
1714 allocating a bitmap if need be.
1715 (remove_from_partition_kill_list): New. Remove a bit from the
1716 partition list, free the bitmap if it is empty.
1717 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1718 on partitions with only one member.
1719 (is_replaceable_p): New. Split out replaceability check from
1721 (process_replaceable): New. Code split from check_replaceable.
1722 (check_replaceable): Removed.
1723 (finished_with_expr): Renamed from finish_expr.
1724 (kill_expr): Use renamed fields and less parameters.
1725 (kill_virtual_exprs): Less parameters.
1726 (mark_replaceable): Use renamed fields.
1727 (find_replaceable_in_bb): Use renamed fields, cleanup.
1728 (find_replaceable_exprs): Use renamed routines, cleanup.
1729 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1730 (debug_ter): New. Debug routine to dump state.
1732 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1734 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1735 anything involving the GOT.
1736 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1737 (trapping_loads_p): Look inside the pattern of an insn to find the
1739 * config/bfin/bfin.md (attr "type"): Add movcc.
1740 (insn_reservation "alu"): Likewise.
1741 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1743 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1745 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1746 (spu_resolve_overloaded_builtin): Check for non scalar instead
1747 of vector type and check the function call argument type also for
1749 Call build_function_call instead of spu_build_overload_builtin.
1751 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1753 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1754 to the calls of hwint_to_const_double.
1756 2006-12-07 Nick Clifton <nickc@redhat.com>
1758 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1759 elf_record_gcc_switches.
1761 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1763 * expr.c (string_constant): Account for non-zero lower bound arrays.
1765 2006-12-07 Richard Guenther <rguenther@suse.de>
1767 * builtins.c (expand_builtin_pow): Adjust predicates for
1768 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1771 2006-12-07 Jan Hubicka <jh@suse.cz>
1773 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1776 2006-12-07 Jan Hubicka <jh@suse.cz>
1778 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1779 use fold_constant_to_binary; tolerate wrong type constants.
1780 (value_intersect_p): Do just two tests.
1782 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1784 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1785 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1786 lshifthi3): Use it, and fix the order of alternatives.
1788 2006-12-07 Nick Clifton <nickc@redhat.com>
1790 * common.opt (record-gcc-switches): New command line switch.
1791 * target.h (print_switch_type): New enum.
1792 (print_switch_fn_type): New typedef for a function pointer.
1793 (struct gcc_target): Add record_gcc_switches and
1794 record_gcc_switches_section fields.
1795 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1797 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1799 * toplev.c (print_single_switch): Simplify by providing a
1800 pointer to function that will format and output the switch
1802 (print_switch_values): Likewise.
1803 (print_to_asm_out_file): New function.
1804 (print_to_stderr): New function.
1805 (init_asm_output): If flag_record_gcc_switches is set then if
1806 the target supports recording the switches then emit them into
1807 the assembler output file, otherwise tell the user that the
1808 switch is not supported.
1809 * varasm.c (eld_record_gcc_switches): New function. Example
1810 handler for the record_gcc_switches target hook.
1811 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1813 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1814 * doc/invoke.texi (-frecord-gcc-switches): Document.
1816 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1819 * sched-rgn.c (add_block1): Use correct initializer.
1821 2006-12-07 Richard Guenther <rguenther@suse.de>
1823 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1824 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1826 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1829 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1830 not GIMPLE_MODIFY_STMT.
1832 2006-12-06 Jan Hubicka <jh@suse.cz>
1834 * tree-vrp.c (operand_less_p): New.
1835 (compare_values, value_inside_range): Rewrite in terms of
1838 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1840 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1842 (length_immediate): Do not depend on cld type attribute.
1843 (length_address): Ditto.
1846 (cld): Remove insn pattern.
1847 (strmov_singleop): Do not use DIRFLAG_REG.
1848 (*strmovdi_rex_1): Ditto.
1849 (*strmovsi_1): Ditto.
1850 (*strmovsi_rex_1): Ditto.
1851 (*strmovhi_1): Ditto.
1852 (*strmovhi_rex_1): Ditto.
1853 (*strmovqi_1): Ditto.
1854 (*strmovqi_rex_1): Ditto.
1856 (*rep_movdi_rex64): Ditto.
1857 (*rep_movsi): Ditto.
1858 (*rep_movsi_rex64): Ditto.
1859 (*rep_movqi): Ditto.
1860 (*rep_movqi_rex64): Ditto.
1861 (strset_singleop): Ditto.
1862 (*strsetdi_rex_1): Ditto.
1863 (*strsetsi_1): Ditto.
1864 (*strsetsi_rex_1): Ditto.
1865 (*strsethi_1): Ditto.
1866 (*strsethi_rex_1): Ditto.
1867 (*strsetqi_1): Ditto.
1868 (*strsetqi_rex_1): Ditto.
1870 (*rep_stosdi_rex64): Ditto.
1871 (*rep_stossi): Ditto.
1872 (*rep_stossi_rex64): Ditto.
1873 (*rep_stosqi): Ditto.
1874 (*rep_stosqi_rex64): Ditto.
1875 (cmpstrnsi): Do not generate cld insn.
1876 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1877 (*cmpstrnqi_nz_1): Ditto.
1878 (*cmpstrnqi_nz_rex_1): Ditto.
1879 (cmpstrnqi_1): Ditto.
1880 (*cmpstrnqi_1): Ditto.
1881 (*cmpstrnqi_rex_1): Ditto.
1882 (strlenqi_1): Ditto.
1883 (*strlenqi_1): Ditto.
1884 (*strlenqi_rex_1): Ditto.
1886 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1887 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1888 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1890 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1891 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1893 (k6_alux_only_load): Ditto.
1894 (k6_alux_only_store): Ditto.
1896 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1897 Do not emit cld instruction.
1898 (ix86_expand_setmem): Ditto.
1899 (ix86_expand_strlen): Do not emit cld instruction.
1901 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1903 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1906 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1908 * gdbinit.in: Set complaints to 0.
1910 2006-12-06 Jan Hubicka <jh@suse.cz>
1912 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1913 ALONE_MEM_STAT_DECL): New macros.
1914 * bitmap.h: Include statistics.h
1915 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1916 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1917 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1918 * bitmap.c: Include hashtab.h
1919 (bitmap_descriptor): New.
1920 (bitmap_hash): New static variable
1921 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1922 New static functions.
1923 (bitmap_register): New.
1924 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1925 bitmap_obstack_release): Do accounting.
1926 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1928 (bitmap_gc_alloc_stat): Likewise.
1929 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1930 (print_statistics, dump_bitmap_statistics): New functions.
1931 * toplev.c (finalize): Dump bitmap statistics.
1933 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1935 * reload1.c (delete_output_reload): Count occurrences in
1936 CALL_INSN_FUNCTION_USAGE.
1937 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1938 crashing at the end of the list.
1940 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1942 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1943 Optimize to avoid marking more SMT's as used when they aren't.
1945 2006-12-05 Eric Christopher <echristo@apple.com>
1947 * config/i386/i386.c (x86_output_aligned_bss): Move out
1948 of COMMON_ASM_OP ifdef.
1950 2006-12-05 Eric Christopher <echristo@apple.com>
1952 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1953 (STARTFILE_SPEC): Use.
1954 (DARWIN_DYLIB1_SPEC): New.
1955 (DARWIN_CRT1_SPEC): New.
1956 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1958 * config/i386/darwin.h: Ditto.
1959 * config/rs6000/darwin.h: Ditto.
1961 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1963 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1964 * tree-complex.c (pass_lower_complex): Ditto.
1965 * tree-ssa-ccp.c (pass_ccp): Ditto.
1966 (pass_store_ccp): Ditto.
1967 * tree-ssa-dom.c (pass_dominator): Ditto.
1968 (pass_phi_only_cprop): Ditto.
1969 * tree-sra.c (pass_sra): Ditto.
1970 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1971 * tree-flow.h (updating_used_alone): Remove.
1972 (updating_used_alone): Ditto.
1973 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1974 (lhs_may_store_to): Remove function.
1975 (recalculate_used_alone): Ditto.
1976 (compute_may_aliases): Remove used_alone calculation.
1977 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1978 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1979 * tree-pass.h (PROP_smt_usage): Remove.
1980 * passes.c (execute_todo): Remove used alone recalculation.
1981 (execute_one_pass): Ditto.
1982 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1985 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1987 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1989 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1991 PR tree-optimization/14784
1992 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1994 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1996 Merge from gimple-tuples-branch.
1998 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2000 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2002 (s390_gimplify_va_arg): Same.
2003 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2004 * config/sh/sh.c (sh_va_start): Same.
2005 (sh_gimplify_va_arg_expr): Same.
2006 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2007 (xtensa_gimplify_va_arg_expr): Same.
2008 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2009 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2010 * config/mips/mips.c (mips_va_start): Same.
2011 (mips_gimplify_va_arg_expr): Same.
2013 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2015 * Merge from mainline at revision 119445.
2017 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2019 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2021 (spu_gimplify_va_arg_expr): Same.
2023 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2025 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2026 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2027 (xstormy16_expand_builtin_va_arg): Same.
2029 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2031 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2032 to GIMPLE_MODIFY_STMT.
2034 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2036 * config/alpha/alpha.c (va_list_skip_additions): Change all
2037 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2038 (alpha_va_start): Same.
2039 (alpha_gimplify_va_arg_1): Same.
2040 (alpha_gimplify_va_arg): Same.
2042 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2044 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2046 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2048 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2049 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2051 * tree-complex.c: Same.
2052 * tree-pretty-print.c: Same.
2056 * fold-const.c: Same.
2057 * tree-ssa-dom.c: Same.
2058 * tree-ssa-propagate.c: Same.
2059 * tree-ssa-alias.c: Same.
2060 * gimple-low.c: Same.
2061 * dwarf2out.c: Same.
2062 * c-pretty-print.c: Same.
2064 * tree-inline.c: Same.
2065 * tree-outof-ssa.c: Same.
2066 * tree-ssa-structalias.c: Same.
2067 * tree-ssa-reassoc.c: Same.
2070 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2072 * tree.c (build2_stat): Fix comment.
2074 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2076 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2077 TREE_OPERAND when appropriate.
2079 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2081 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2082 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2083 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2084 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2085 not handle GIMPLE_MODIFY_STMT in the switch statement.
2086 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2087 (java_gimplify_new_array_init): Same.
2089 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2091 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2092 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2093 * fold-const.c (fold_binary): Allow gimple statements.
2095 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2096 Rename from gfc_conv_descriptor_data_set.
2097 Call gfc_add_modify instead of gfc_add_modify_expr.
2098 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2099 Rename from gfc_conv_descriptor_data_set.
2100 (gfc_conv_descriptor_data_set): New macro.
2101 (gfc_conv_descriptor_data_set_tuples): New macros.
2102 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2103 gfc_conv_descriptor_data_set_tuples.
2104 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2105 Generate GIMPLE_MODIFY_STMT when appropriate.
2106 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2107 (gfc_add_modify_expr): New macro.
2108 (gfc_add_modify_stmt): New macro.
2109 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2111 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2113 * Merge from mainline at revision 118200.
2115 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2117 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2120 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2122 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2124 Also, add __extension__ to GCC versions.
2125 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2126 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2129 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2131 * tree-complex.c (expand_complex_libcall): Adjust for
2133 (expand_complex_comparison): Same.
2134 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2135 GIMPLE_STMT_P statements.
2136 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2138 (tree_mod_pow2_value_transform): Same.
2139 (tree_mod_subtract_transform): Same.
2140 * tree.c (build2_stat): Check for gimplified function in cfun.
2141 * tree.h (DECL_GIMPLIFIED): Delete.
2142 (struct tree_function_decl): Remove gimplified_flag.
2143 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2144 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2145 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2146 (cxx_omp_clause_copy_ctor): Same.
2147 (cxx_omp_clause_assign_op): Same.
2148 * c-pretty-print.c (pp_c_conditional_expression): Same.
2149 (pp_c_expression): Same.
2150 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2151 * function.h (struct function): Add gimplified field.
2152 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2154 (find_phi_replacement_condition): Same.
2155 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2156 (gimplify_modify_expr_to_memset): Same.
2157 (gimplify_init_ctor_eval_range): Same.
2158 (gimplify_modify_expr_complex_part): Same.
2159 (tree_to_gimple_tuple): Same.
2160 (gimplify_modify_expr): Same.
2161 (gimple_push_cleanup): Same.
2162 (gimplify_omp_for): Same.
2163 (gimplify_omp_atomic_pipeline): Same.
2164 (gimplify_omp_atomic_mutex): Same.
2165 (gimplify_expr): Same.
2166 (gimplify_one_sizepos): Same.
2167 (gimplify_function_tree): Same.
2168 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2169 (vect_recog_widen_sum_pattern): Same.
2170 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2171 (vect_create_epilog_for_reduction): Same.
2172 (vectorizable_reduction): Same.
2174 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2176 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2177 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2178 (ifc_temp_var): Same.
2179 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2180 for gimple statements.
2181 (vect_analyze_operations): Same.
2182 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2183 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2184 * lambda-code.c (can_put_in_inner_loop): Same.
2185 (can_put_after_inner_loop): Same.
2186 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2187 (vect_create_data_ref_ptr): Same.
2188 (vect_init_vector): Same.
2189 (vect_get_vec_def_for_operand): Same.
2190 (vect_create_epilog_for_reduction): Same.
2191 (vectorizable_reduction): Same.
2192 (vectorizable_assignment): Same.
2193 (vectorizable_operation): Same.
2194 (vectorizable_load): Same.
2195 (vectorizable_condition): Same.
2196 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2197 (rs6000_gimplify_va_arg): Same.
2199 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2201 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2202 GIMPLE_STMT_OPERAND.
2203 (simplify_abs_using_ranges): Same.
2204 * tree-complex.c (expand_complex_operations_1): Use
2205 PROTECTED_TREE_OPERAND.
2206 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2208 (get_val_for): Use GIMPLE_STMT_OPERAND.
2209 * tree-tailcall.c (adjust_accumulator_values): Same.
2210 (adjust_return_value): Same.
2211 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2212 case. Remove special case for tcc_gimple_stmt.
2213 * tree.h (CAN_HAVE_LOCATION_P): New.
2214 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2216 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2217 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2218 * tree-nrv.c (execute_return_slot_opt): Same.
2219 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2220 * tree-vn.c (set_value_handle): Same.
2221 (get_value_handle): Same.
2222 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2223 * tree-vectorizer.c (find_loop_location): Same.
2224 * c-typeck.c (c_process_expr_stmt): Same.
2225 (c_finish_stmt_expr): Same.
2226 * gimplify.c (should_carry_locus_p): Same.
2227 (tree_to_gimple_tuple): Delete definition and use of unecessary
2228 variable save_tree_block.
2229 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2230 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2231 (realify_fake_stores): Same.
2232 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2234 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2235 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2236 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2237 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2238 (c_parser_statement_after_labels): Same.
2239 (c_parser_paren_condition): Same.
2240 (c_parser_for_statement): Same.
2241 (c_parser_omp_for_loop): Same.
2242 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2243 (linearize_expr_tree): Same.
2244 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2245 * function.c (instantiate_expr): Same.
2247 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2249 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2250 (set_expr_location): Same.
2252 (set_expr_locus): Same.
2253 (expr_filename): Same.
2254 (expr_lineno): Same.
2255 (tree_block): Use GIMPLE_STMT_BLOCK.
2256 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2257 * tree.h (struct gimple_stmt): Remove prev and next.
2258 (GIMPLE_STMT_OPERAND_CHECK): New.
2259 (TREE_TO_GIMPLE_STMT): Delete.
2260 (GIMPLE_STMT_TO_TREE): Delete.
2261 (GIMPLE_STMT_OPERAND): Use union, not cast.
2262 (GIMPLE_STMT_LOCUS): New.
2263 (GIMPLE_STMT_BLOCK): New.
2264 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2266 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2268 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2270 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2272 * tree-tailcall.c (adjust_return_value): Same.
2273 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2274 (copy_node_stat): Change common.base to base.
2275 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2276 Remove GIMPLE_STATEMENT_LIST case.
2277 * tree.h (struct gimple_stmt): Make operands of type tree.
2278 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2279 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2280 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2281 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2282 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2283 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2284 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2285 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2286 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2287 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2288 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2289 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2290 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2291 Change common.base to base.
2292 (GIMPLE_STATEMENT_LIST*): Remove.
2293 (union tree_node): Add base. Remove gimple_statement_list.
2294 Remove pointer from gstmt.
2295 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2296 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2297 * tree-vn.c (vn_compute): Change common.base to base.
2298 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2299 * tree-flow-inline.h (var_ann): Same.
2300 (function_ann): Same.
2302 (mark_non_addressable): Same.
2303 * gimplify.c (tree_to_gimple_tuple): Same.
2304 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2305 * tree-dfa.c (create_var_ann): Change common.base to base.
2306 (create_function_ann): Same.
2307 (create_stmt_ann): Same.
2308 (create_tree_ann): Same.
2309 (collect_dfa_stats_r): Same.
2310 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2311 * tree-ssa-dce.c (NECESSARY): Same.
2312 * tree-ssa.c (delete_tree_ssa): Same.
2313 * tree-optimize.c (execute_free_cfg_annotations): Same.
2314 * tree-flow.h: Same.
2316 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2318 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2319 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2321 * tree.h (struct gimple_stmt): Add prev and next fields.
2322 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2323 (GIMPLE_STATEMENT_LIST_HEAD): New.
2324 (GIMPLE_STATEMENT_LIST_TAIL): New.
2325 (struct gimple_statement_list): New.
2326 (union tree_node): Add gimple_stmt_list and gstmt.
2327 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2328 * tree.def: Add GIMPLE_STATEMENT_LIST.
2330 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2332 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2333 * tree-vrp.c (build_assert_expr_for): Change uses of
2334 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2335 (find_assert_locations): Same.
2336 (remove_range_assertions): Same.
2337 (stmt_interesting_for_vrp): Same.
2338 (vrp_visit_assignment): Same.
2339 (vrp_visit_stmt): Same.
2340 (simplify_cond_using_ranges): Same.
2341 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2343 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2344 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2346 (determine_invariantness_stmt): Same.
2347 (schedule_sm): Same.
2348 (gather_mem_refs_stmt): Same.
2349 * tree-complex.c (init_dont_simulate_again): Same.
2350 (complex_visit_stmt): Same.
2351 (set_component_ssa_name): Same.
2352 (expand_complex_move): Same.
2353 (expand_complex_div_wide): Same.
2354 (expand_complex_comparison): Same.
2355 (expand_complex_operations_1): Same.
2356 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2357 (chain_of_csts_start): Same.
2358 (infer_loop_bounds_from_undefined): Same.
2359 * tree-pretty-print.c (dump_generic_node): Same.
2361 (op_symbol_1): Same.
2362 * tree-ssa-loop-manip.c (create_iv): Same.
2363 * value-prof.c (tree_divmod_fixed_value): Same.
2364 (tree_divmod_fixed_value_transform): Same.
2365 (tree_mod_pow2): Same.
2366 (tree_mod_pow2_value_transform): Same.
2367 (tree_mod_subtract): Same.
2368 (tree_mod_subtract_transform): Same.
2369 (tree_divmod_values_to_profile): Same.
2370 * tree-tailcall.c (process_assignment): Same.
2371 (find_tail_calls): Same.
2372 (adjust_accumulator_values): Same.
2373 (adjust_return_value): Same.
2374 (eliminate_tail_call): Same.
2375 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2376 (make_node_stat): Same.
2377 (copy_node_stat): Handle gimple tuples.
2378 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2379 (tree_node_structure): Handle tcc_gimple_stmt.
2380 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2382 (build2_gimple_stat): New.
2383 (expr_location): New.
2384 (set_expr_location): New.
2385 (expr_has_location): New.
2387 (set_expr_locus): New.
2388 (expr_filename): New.
2390 (walk_tree): Handle tcc_gimple_stmt.
2392 (protected_tree_operand): New.
2393 (protected_tree_type): New.
2394 (tree_code_kind): Add gimple statements.
2395 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2396 (IS_GIMPLE_STMT_CODE_CLASS): New.
2397 (struct tree_base): New.
2398 (struct tree_common): Shrink.
2399 (struct gimple_stmt): New.
2400 (struct gimple_expr): New.
2401 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2402 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2403 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2404 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2405 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2406 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2407 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2408 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2409 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2410 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2411 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2412 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2413 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2414 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2415 Adjust for new `common' layout.
2416 (struct tree_function_decl): Add gimplified_flag.
2417 (DECL_GIMPLIFIED): NEW.
2418 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2419 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2420 EXPR_HAS_LOCATION): Call corresponding function.
2421 (GIMPLE_STMT_CHECK): New.
2422 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2423 (TREE_BLOCK): Call tree_block.
2424 (GIMPLE_STMT_P): New.
2425 (GIMPLE_TUPLE_P): New.
2426 (TREE_TO_GIMPLE_STMT): New.
2427 (GIMPLE_STMT_TO_TREE): New.
2428 (GIMPLE_STMT_OPERAND): New.
2429 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2430 (PROTECTED_TREE_OPERAND): New.
2431 (PROTECTED_TREE_TYPE): New.
2432 (build2_gimple_stat): Protoize.
2433 (build2_gimple): New.
2434 (expr_location): Protoize.
2435 (set_expr_location): Protoize.
2436 (expr_has_location): Protoize.
2437 (expr_locus): Protoize.
2438 (set_expr_locus): Protoize.
2439 (expr_filename): Protoize.
2440 (expr_lineno): Protoize.
2441 (tree_block): Protoize.
2442 (protected_tree_operand): Protoize.
2443 (protected_tree_type): Protoize.
2444 (enum tree_node_kind): Add gimple_stmt_kind.
2445 * c-decl.c (union lang_tree_node): Tuples do not have a
2447 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2448 GIMPLE_MODIFY_STMT and adjust accordingly.
2449 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2450 (interpret_condition_phi): Same.
2451 (pointer_used_p): Same.
2452 (analyze_scalar_evolution_1): Same.
2453 (scev_const_prop): Same.
2454 (interpret_rhs_modify_stmt): Rename from
2455 interpret_rhs_modify_expr.
2456 * builtins.c (std_expand_builtin_va_start): Change uses of
2457 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2458 (std_gimplify_va_arg_expr): Same.
2459 (expand_builtin_va_copy): Same.
2460 (integer_valued_real_p): Same.
2461 * fold-const.c (maybe_lvalue_p): Same.
2463 (tree_expr_nonnegative_p): Same.
2464 (tree_expr_nonzero_p): Same.
2465 * omp-low.c (extract_omp_for_data): Same.
2466 (lower_rec_input_clauses): Same.
2467 (lower_reduction_clauses): Same.
2468 (lower_copyprivate_clauses): Same.
2469 (lower_send_clauses): Same.
2470 (lower_send_shared_vars): Same.
2471 (expand_parallel_call): Same.
2472 (expand_omp_parallel): Same.
2473 (expand_omp_for_generic): Same.
2474 (expand_omp_for_static_nochunk): Same.
2475 (expand_omp_for_static_chunk): Same.
2476 (expand_omp_sections): Same.
2477 (lower_omp_single_copy): Same.
2478 (lower_omp_parallel): Same.
2479 * tree-ssa-dse.c (memory_address_same): Same.
2480 (dse_optimize_stmt): Same.
2481 * ipa-reference.c (scan_for_static_refs): Same.
2482 * tree-gimple.c (is_gimple_reg_rhs): Same.
2483 (get_call_expr_in): Same.
2484 (recalculate_side_effects): Same.
2485 * cgraphunit.c (cgraph_create_edges): Same.
2486 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2487 * tree-ssa-ccp.c (get_default_value): Same.
2488 (likely_value): Same.
2489 (visit_assignment): Same.
2490 (ccp_visit_stmt): Same.
2491 (get_maxval_strlen): Same.
2492 (ccp_fold_builtin): Same.
2493 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2494 (find_givs_in_stmt): Same.
2495 (find_interesting_uses_op): Same.
2496 (find_interesting_uses_stmt): Same.
2497 (rewrite_use_nonlinear_expr): Same.
2498 * ipa-pure-const.c (scan_function): Same.
2499 * tree-stdarg.c (va_list_counter_bump): Same.
2500 (check_all_va_list_escapes): Same.
2501 (execute_optimize_stdarg): Same.
2502 * tree-ssa-math-opts.c (compute_merit): Same.
2503 (insert_reciprocals): Same.
2504 (execute_cse_reciprocals): Same.
2505 * tree-ssa-dom.c (initialize_hash_element): Same.
2506 (simple_iv_increment_p): Same.
2507 (record_equivalences_from_stmt): Same.
2508 (optimize_stmt): Same.
2509 (remove_stmt_or_phi): Same.
2510 (get_rhs_or_phi_arg): Same.
2511 (get_lhs_or_phi_result): Same.
2512 (propagate_rhs_into_lhs): Same.
2513 * tree-nrv.c (tree_nrv): Same.
2514 (execute_return_slot_opt): Same.
2515 * tree-ssa-propagate.c (get_rhs): Same.
2517 (stmt_makes_single_load): Same.
2518 (stmt_makes_single_store): Same.
2519 (replace_vuses_in): Same.
2520 (fold_predicate_in): Same.
2521 (substitute_and_fold): Same.
2522 * tree-ssa-alias.c (compute_call_clobbered): Same.
2523 (recalculate_used_alone): Same.
2524 (count_uses_and_derefs): Same.
2525 (is_escape_site): Same.
2526 (find_used_portions): Same.
2527 * gimple-low.c (lower_stmt): Same.
2528 (block_may_fallthru): Same.
2529 (lower_return_expr): Same.
2530 * tree-ssa-sink.c (is_hidden_global_store): Same.
2531 (statement_sink_location): Same.
2532 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2533 * expr.c (safe_from_p): Same.
2534 (expand_expr_real): Same.
2535 (expand_expr_real_1): Same.
2536 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2537 * predict.c (expr_expected_value): Same.
2538 (strip_builtin_expect): Same.
2539 (apply_return_prediction): Same.
2540 (tree_bb_level_predictions): Same.
2541 (tree_estimate_probability): Same.
2542 * tree-vn.c (vn_compute): Same.
2543 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2544 (remove_stmt_from_eh_region_fn): Same.
2545 (do_return_redirection): Same.
2546 (honor_protect_cleanup_actions): Same.
2547 (lower_try_finally_switch): Same.
2548 (lower_eh_constructs_1): Same.
2549 (tree_could_throw_p): Same.
2550 (verify_eh_throw_stmt_node): Same.
2551 * function.c (gimplify_parameters): Same.
2552 * tree-vectorizer.c (vect_is_simple_use): Same.
2553 (vect_is_simple_reduction): Same.
2554 * ipa-type-escape.c (scan_for_refs): Same.
2555 * tree-if-conv.c (tree_if_conversion): Same.
2556 (tree_if_convert_stmt): Same.
2557 (if_convertible_gimplify_modify_stmt_p): Rename from
2558 if_convertible_modify_expr_p.
2559 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2560 (ifc_temp_var): Same.
2561 (replace_phi_with_cond_modify_stmt): Rename from
2562 replace_phi_with_cond_modify_expr.
2563 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2564 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2565 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2567 * tree-flow-inline.h (var_ann): Same.
2568 (function_ann): Same.
2570 (mark_non_addressable): Same.
2571 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2572 * gimplify.c (tree_to_gimple_tuple): New.
2573 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2574 (gimplify_return_expr): Same.
2575 (gimplify_decl_expr): Same.
2576 (gimplify_self_mod_expr): Same.
2577 (gimplify_cond_expr): Same.
2578 (gimplify_init_constructor): Same.
2579 (gimplify_modify_expr): Same.
2580 (gimplify_expr): Same.
2581 (gimplify_function_tree): Same.
2582 (force_gimple_operand): Same.
2583 * tree-ssa-phiopt.c (conditional_replacement): Same.
2584 (minmax_replacement): Same.
2585 (abs_replacement): Same.
2586 * tree-dfa.c (create_var_ann): Same.
2587 (create_function_ann): Same.
2588 (create_stmt_ann): Same.
2589 (create_tree_ann): Same.
2590 (collect_dfa_stats_r): Same.
2591 * tree-ssa-pre.c (find_or_generate_expression): Same.
2592 (create_expression_by_pieces): Same.
2593 (try_look_through_load): Same.
2594 (insert_fake_stores): Same.
2595 (realify_fake_stores): Same.
2596 (compute_avail): Same.
2599 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2600 Adjust for GIMPLE_MODIFY_STMT.
2601 (NECESSARY): Adjust for new `common' layout.
2602 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2604 * tree-sra.c (sra_walk_modify_stmt): Rename from
2605 sra_walk_modify_expr.
2606 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2607 (generate_copy_inout): Same.
2608 (generate_element_copy): Same.
2609 (generate_element_zero): Same.
2610 (scalarize_copy): Same.
2611 * tree-mudflap.c (mf_decl_cache_locals): Same.
2612 (mf_build_check_statement_for): Same.
2613 (mf_xform_derefs): Same.
2614 * ipa-prop.c (ipa_method_modify_stmt): Same.
2615 * print-tree.c (print_node): Handle gimple tuples.
2616 Add case for tcc_gimple_stmt.
2617 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2619 (copy_prop_visit_assignment): Same.
2620 (copy_prop_visit_stmt): Same.
2621 (init_copy_prop): Same.
2622 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2623 (forward_propagate_into_cond_1): Same.
2624 (find_equivalent_equality_comparison): Same.
2625 (tidy_after_forward_propagate_addr): Same.
2626 (forward_propagate_addr_expr_1): Same.
2627 (simplify_not_neg_expr): Same.
2628 (simplify_switch_expr): Same.
2629 * tree-ssa-dce.c (find_pdom): Same.
2630 (mark_stmt_if_obviously_necessary): Same.
2631 (NECESSARY): Adjust for new `common' layout.
2632 * tree-flow.h: Same.
2633 * tree-vect-patterns.c (widened_name_p): Adjust for
2635 (vect_recog_dot_prod_pattern): Same.
2636 (vect_recog_widen_sum_pattern): Same.
2637 (vect_pattern_recog_1): Same.
2638 * tree-nested.c (init_tmp_var): Same.
2639 (save_tmp_var): Same.
2641 (convert_call_expr): Same.
2642 (finalize_nesting_tree_1): Same.
2643 * tree-ssa.c (verify_ssa): Same.
2644 (delete_tree_ssa): Same.
2645 * lambda-code.c (lbv_to_gcc_expression): Same.
2646 (lle_to_gcc_expression): Same.
2647 (lambda_loopnest_to_gcc_loopnest): Same.
2648 (can_put_in_inner_loop): Same.
2649 (can_convert_to_perfect_nest): Same.
2650 (perfect_nestify): Same.
2651 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2652 * tree-inline.c (copy_body_r): Same.
2653 (setup_one_parameter): Same.
2654 (initialize_inlined_parameters): Same.
2655 (estimate_num_insns_1): Same.
2656 (expand_call_inline): Same.
2657 (gimple_expand_calls_inline): Same.
2658 (copy_tree_r): Same.
2659 * tree-optimize.c (execute_free_cfg_annotations): Same.
2660 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2661 (vect_align_data_ref): Same.
2662 (vect_create_data_ref_ptr): Same.
2663 (vect_init_vector): Same.
2664 (vect_create_epilog_for_reduction): Same.
2665 (vectorizable_reduction): Same.
2666 (vectorizable_assignment): Same.
2667 (vectorizable_operation): Same.
2668 (vectorizable_store): Same.
2669 (vectorizable_load): Same.
2670 (vectorizable_live_operation): Same.
2671 (vectorizable_condition): Same.
2672 (vect_generate_tmps_on_preheader): Same.
2673 (vect_create_cond_for_align_checks): Same.
2674 * tree-object-size.c (collect_object_sizes_for): Same.
2675 (check_for_plus_in_loops_1): Same.
2676 (check_for_plus_in_loops): Same.
2677 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2678 (replace_use_variable): Same.
2679 (check_replaceable): Same.
2680 (rewrite_trees): Same.
2681 (identical_copies_p): Same.
2682 (insert_backedge_copies): Same.
2683 * tree-profile.c (tree_gen_edge_profiler): Same.
2684 * tree-vect-generic.c (expand_vector_operations_1): Same.
2685 * tree-ssa-structalias.c (update_alias_info): Same.
2686 (find_func_aliases): Same.
2687 * tree-cfg.c (factor_computed_gotos): Same.
2689 (make_goto_expr_edges): Same.
2690 (tree_merge_blocks): Same.
2691 (remove_useless_stmts_cond): Same.
2692 (remove_useless_stmts_1): Same.
2693 (tree_find_edge_insert_loc): Same.
2694 (verify_expr): Same.
2695 (gimplify_val): Same.
2696 (verify_gimple_tuples_1): New.
2697 (verify_gimple_tuples): New.
2698 (verify_stmts): Call verify_gimple_tuples.
2699 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2700 (get_unary_op): Same.
2701 (linearize_expr): Same.
2702 (get_single_immediate_use): Same.
2703 (negate_value): Same.
2704 (should_break_up_subtract): Same.
2705 (break_up_subtract): Same.
2706 (repropagate_negates): Same.
2707 (break_up_subtract_bb): Same.
2708 (reassociate_bb): Same.
2709 * config/i386/i386.c (ix86_va_start): Same.
2710 (ix86_gimplify_va_arg): Same.
2711 * stmt.c (expand_expr_stmt): Same.
2712 (warn_if_unused_value): Same.
2713 (expand_return): Same.
2714 * tree-ssanames.c (make_ssa_name): Same.
2715 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2716 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2717 (add_virtual_operand): Same.
2718 (get_expr_operands): Same.
2719 (parse_ssa_operands): Same.
2720 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2722 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2724 * config.host: Remove extra blank line.
2726 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2728 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2729 target is also an x86 variant.
2731 2006-12-05 Richard Guenther <rguenther@suse.de>
2733 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2734 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2735 (ix86_builtin_vectorized_function): New function to vectorize
2738 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2740 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2741 ia64_override_options.
2743 2006-12-04 Jan Hubicka <jh@suse.cz>
2745 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2748 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2750 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2751 * config/bfin/bfin.c: Include "timevar.h".
2752 (bfin_flag_schedule_insns2, splitting_for_sched,
2753 bfin_flag_var_tracking): New variables.
2754 (print_operand): Handle '%!'.
2755 (override_options): Disable normal sched2 pass, instead set
2756 bfin_flag_schedule_insns2 for reorg to handle it.
2757 (output_file_start): Likewise for var-tracking.
2758 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2759 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2761 (bfin_reorg): Do second scheduling pass here, and call
2762 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2763 of examining insns directly. If bfin_flag_var_tracking, call
2764 var-tracking pass when done with everything else.
2765 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2766 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2767 (movsi_insn32): New pattern, with two new splits to create it
2768 before the final scheduling pass.
2769 (neghi2): Not a dsp32 insn, rather alu0.
2770 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2771 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2772 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2773 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2774 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2775 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2776 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2777 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2778 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2779 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2780 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2781 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2782 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2783 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2784 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2785 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2786 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2787 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2788 variants instead of ';'.
2789 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2790 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2791 (align8, align16, align24): Now named patterns; also using '%!'.
2794 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2796 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2797 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2799 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2801 * config/spu/spu-protos.c (spu_split_address): Add.
2802 * config/spu/spu.c (spu_split_address): Add.
2803 (print_operand): Handle HIGH.
2804 (spu_legitimate_address): Don't test for aligned CONST.
2805 (spu_expand_mov): Don't split addresses here.
2806 * config/spu/constraints.md (A): Don't test legitimate_const.
2807 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2808 (ceq_di): Use correct predicates.
2810 2006-12-04 Eric Christopher <echristo@apple.com>
2812 * config/darwin.h: Update copyright notice.
2813 * config/i386/darwin.h: Ditto.
2815 2006-12-04 Jan Hubicka <jh@suse.cz>
2817 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2818 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2820 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2822 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2824 * tree-ssa-structalias.c (set_used_smts): Export.
2825 (find_what_p_points_to): Don't call set_used_smts here.
2826 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2828 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2830 * tree-ssa-alias.c (compute_may_aliases):
2831 Compute flow sensitive before flow insensitive.
2832 (compute_flow_sensitive_aliasing): Don't try to add
2833 a symbol memory tag to itself.
2835 * alias.h (alias_set_subset_of): New prototype.
2837 * alias.c (alias_set_subset_of): New function.
2839 * tree-ssa-structalias.c: Update comments.
2840 (struct variable_info): Add finished_solution.
2841 (new_varinfo): Set finished solution to NULL.
2842 (var_escaped_vars): Remove.
2843 (escaped_vars_tree): Remove.
2844 (escaped_vars_id): Remove.
2845 (nonlocal_vars_id): Remove.
2846 (constraint_expr_type): Add INCLUDES.
2847 (graph_size): Removed.
2848 (dump_constraint): Support INCLUDES.
2849 (build_constraint_graph): Ditto.
2850 (collapse_nodes): Add merge_solutions argument.
2851 Don't merge attributes.
2852 (process_unification_queue): Just use collapse_nodes.
2853 (perform_var_substitution): Update call to collapse_nodes.
2854 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2855 (process_constraint): Fix non-field sensitive handling
2857 (get_constraint_for): Use INCLUDES.
2858 (make_constraint_from_anything): Renamed from
2859 make_constraint_from_escaped.
2860 (make_constraint_to_escaped): Removed.
2861 (find_global_initializers): Removed.
2862 (create_variable_info_for): Do not make constraints to escaped
2864 (dump_solution_for_var): Don't print out the equivalent points-to
2865 sets, just use the name of the variable it shares it with.
2866 (intra_create_variable_infos): Use INCLUDES.
2867 Change nonlocal variable sets to anything sets.
2868 (init_base_vars): Remove escaped_vars and nonlocal_var
2870 (find_escape_constraints): Removed.
2871 (delete_points_to_sets): Remove dead code.
2872 (used_smt_calculated): New variable.
2873 (set_used_smts): New function.
2874 (merge_smts_into): New function.
2875 (find_what_p_points_to): Modify to use SMTs.
2876 (create_nonlocal_var): Remove.
2878 * tree-ssa-operands.c (access_can_touch_variable): Remove
2879 reference to nonlocal_all.
2881 * tree-ssa.c (verify_name_tags): Remove.
2883 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2885 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2886 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2888 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2890 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2891 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2892 (add_livein_if_notdef): Delete.
2893 (loe_visit_block): New. Propogate live on entry info for a block into
2894 each predecessor. If it changes, make sure it is visited again.
2895 (live_worklist): Visit every block and update the live on entry info
2896 for preds. Iterate over any that changed.
2897 (set_var_live_on_entry): Populate the live on entry blocks with bits
2898 based on the immediate uses of a var.
2899 (calculate_live_on_entry): Remove.
2900 (calculate_live_on_exit): Calculate live on exit based on the newly
2901 oriented live on entry bits.
2902 (calculate_live_ranges): Build live on entry and exit vectors.
2903 (dump_live_info): Use new orientation of live on entry bitmaps.
2904 (verify_live_on_entry): New. Split out verification code from old
2905 calculate_live_on_entry routine.
2906 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2907 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2908 basic_block instead of for a partition.
2909 (live_merge_and_clear): Add asserts.
2910 (make_live_on_entry): Set partition bit in basic block vector.
2912 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2915 * omp-low.c (expand_omp_for_static_nochunk,
2916 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2920 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2921 parallels if region->exit or region->inner->exit is NULL.
2922 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2924 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2925 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2926 or region->exit is NULL.
2927 (expand_omp_sections): Handle NULL region->cond or region->exit.
2930 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2932 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2933 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2935 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2937 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2938 TYPE_MAX_VALUE for scalar types here but...
2939 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2940 is attached an error mark, and the return value of the callback
2941 if it is not NULL_TREE.
2943 2006-12-04 Ben Elliston <bje@au.ibm.com>
2945 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2947 2006-12-03 Eric Christopher <echristo@apple.com>
2950 * config/t-slibgcc-darwin: Pass -install_name.
2951 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2952 libtool. Only pass through options that the linker recognizes.
2953 (LINK_SPEC): Update comment. Translate options.
2954 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2955 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2957 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2959 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2961 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2964 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2965 operands[1] in insn constraint. Correct type attribute to sselog1.
2967 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2970 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2972 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2973 processor detection.
2975 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2976 -march=native if there is no -mtune=*.
2978 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2981 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2983 * doc/install.texi: Update recommended MPFR version. Remove
2984 obsolete reference to cumulative patch.
2986 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2989 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2991 2006-11-30 Jan Hubicka <jh@suse.cz>
2992 Uros Bizjak <ubizjak@gmail.com>
2994 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2995 32bit memcpy/memset decriptors.
2996 (decide_alg): With -minline-all-stringops and sizes that are best
2997 to be copied via libcall still work hard enough to pick non-libcall
3000 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3002 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3004 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3005 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3006 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3007 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3008 config/spu/spu-c.c, config/spu/spu-modes.def,
3009 config/spu/spu.c, config/spu/spu.md,
3010 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3011 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3012 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3013 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3014 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3015 spelling conventions.
3017 * config/i386/i386.c: Fix a comment typo.
3019 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3021 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3022 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3023 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3024 better optimization.
3025 (floatv4siv4sf2): New.
3026 (fix_truncv4sfv4si2): New.
3027 (floatunsv4siv4sf2): New.
3028 (fixuns_truncv4sfv4si2): New.
3036 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3037 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3038 spu_resolve_overloaded_builtin instead of static inline functions.
3040 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3042 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3043 type instead of the size of its mode to compute the highest and
3044 lowest possible values. Still check the size of the mode before
3045 flipping the signedness of the comparison.
3047 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3049 * config/spu/predicates.md (spu_mov_operand): Add.
3050 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3051 (print_operand_address, print_operand): Handle addresses containing AND.
3052 (spu_split_load, spu_split_store): Use updated movti pattern.
3053 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3054 stores in mov patterns for correct operation of reload.
3055 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3057 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3060 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3062 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3064 * common.opt (ftree-combine-temps): Remove.
3065 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3066 (coalesce_ssa_name): Don't check for combine-temps.
3067 (coalesce_vars): Remove.
3068 (check_replaceable): Use num_imm_uses.
3069 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3070 check for combine-temps.
3071 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3072 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3073 to register_ssa_partition calls.
3074 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3075 (init_var_map, delete_var_map): remove refernces to ref_count.
3076 (create_ssa_var_map): Never calculate a ref count.
3077 (type_var_init): Remove.
3078 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3079 (SSA_VAR_MAP_REF_COUNT): Delete.
3080 (create_ssa_var_map): Change Prototype to have no parameters.
3081 (version_ref_count): Delete.
3082 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3084 (type_var_num, type_var, type_var_first_partition,
3085 type_var_next_partition, type_var_dump, type_var_delete,
3086 type_var_remove_partition, type_var_find, type_var_compact,
3087 type_var_decompact): Remove.
3089 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3091 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3094 2006-12-01 Richard Guenther <rguenther@suse.de>
3097 * dwarf2out.c (struct pubname_struct): Make name const.
3098 (add_pubtype): Do not xstrdup identifiers.
3100 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3102 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3103 multiword accesses are in range.
3105 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3107 PR tree-optimization/29921
3108 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3109 (set_lattice_value): Use canonicalize_float_value.
3111 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3113 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3114 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3115 (spu_cpu_cpp_builtins): Remove.
3116 (spu_override_options): Don't set warn_main.
3117 (spu_force_reg): Move from spu-c.c.
3118 (spu_check_builtin_parm): Likewise.
3119 (expand_builtin_args): Likewise.
3120 (spu_expand_builtin_1): Likewise.
3121 (spu_expand_builtin): Likewise.
3122 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3123 warn_main and targetm.resolve_overloaded_builtin.
3124 * config/spu/spu-c.c (spu_builtin_range): Remove.
3125 (spu_check_builtin_parm): Remove.
3126 (expand_builtin_args): Remove.
3127 (spu_expand_builtin_1): Remove.
3128 (spu_expand_builtin): Remove.
3129 (spu_cpu_cpp_builtins): Moved from spu.c
3130 (spu_force_reg): Remove.
3132 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3133 David Edelsohn <edelsohn@gnu.org>
3136 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3137 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3138 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3139 HARD_REGNO_NREGS_WITH_PADDING): Define.
3140 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3141 HARD_REGNO_NREGS_WITH_PADDING): Define.
3142 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3143 Use new macros to detect modes with holes; do not look at integer
3145 (subreg_offset_representable_p): Check for and disallow cases
3146 where the modes use different numbers of bits from registers.
3147 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3148 constant for soft-float.
3149 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3151 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3152 in E500 double case.
3153 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3154 (movtf_softfloat): New.
3156 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3158 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3159 simplify_gen_subreg.
3161 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3163 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3164 (COALESCE_HASH_FN): New. Define hash function.
3165 (partition_pair_map_hash): New. Hash value for a partition pair.
3166 (partition_pair_map_eq): New. Equality for hash pairs.
3167 (create_coalesce_list): Create hash table.
3168 (delete_coalesce_list): Free hash table.
3169 (find_partition_pair): Find/create pairs in hash table.
3170 (compare_pairs): Sort pairs in ascending order now.
3171 (num_coalesce_pairs): New. Number of pairs in hash table.
3172 (struct partition_pair_iterator): Iterator struct for pair table.
3173 (first_partition_pair): Iterator function for first pair.
3174 (end_partition_pair_p): Iterator function for end of iteration.
3175 (next_partition_pair): Iterator function for next pair.
3176 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3177 (sort_coalesce_list): Sort pairs from hash table into an array.
3178 (pop_best_coalesce): Take pairs from the array.
3179 (dump_coalesce_list): Update to use hash table or sorted array.
3180 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3181 (struct coalesce_list_d): Add hash table related fields.
3183 2006-11-30 Jan Hubicka <jh@suse.cz>
3186 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3187 memmove/bcopy->memcpy conversion.
3189 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3191 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3192 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3193 Default is the largest alignment supported for 32-bit ELF and
3194 representable on a 32-bit host.
3196 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3198 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3200 2006-11-30 Jan Hubicka <jh@suse.cz>
3202 * tree-ssa-operands.h (struct ssa_operands): New.
3203 * tree-flow-inline.h (gimple_ssa_operands): New function.
3204 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3205 * Makefile.in: Remove gt-tree-ssa-operands.h
3206 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3207 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3208 operand_memory, operand_memory_index, ops_active): Remove statics.
3209 (ALLOC_OPTYPE): Update.
3210 (operand_build_sort_virtual): Update.
3211 (ssa_operands_active): Update.
3212 (init_ssa_operands): Update.
3213 (fini_ssa_operands): Update.
3214 (ssa_operand_alloc): Update.
3215 (INITIALIZE_USE): Update.
3216 (finalize_ssa_use_ops): Update.
3217 (finalize_ssa_v_may_def_ops): Update.
3218 (finalize_ssa_vuse_ops): Update.
3219 (finalize_ssa_v_must_def_ops): Update.
3221 2006-11-30 Richard Guenther <rguenther@suse.de>
3223 * tree-vectorizer.h (vectorizable_function): Export.
3224 * tree-vect-transform.c (vectorizable_function): Likewise.
3225 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3226 type_in to scalar type in recognition of squaring.
3227 Make sure the target can vectorize sqrt in recognition
3228 of sqrt, set type_in to vector type in this case.
3230 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3232 * config/i386/i386.md (R10_REG): New constant.
3233 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3234 (ix86_emit_restore_regs_using_mov): Ditto.
3235 (ix86_expand_call): Ditto.
3236 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3238 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3240 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3241 * alias.c (canon_true_dependence): Update comment.
3243 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3245 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3246 at the end of a diagnostics message.
3248 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3249 until after asserting that it was allocated in the right pool.
3251 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3252 successor edge information as well. Make output of live regs
3253 on exit consistent with live regs on entry.
3255 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3258 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3259 insn patterns for TARGET_80387.
3260 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3261 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3262 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3263 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3264 Generate truncxf<mode>2 insn patterns for strict SSE math.
3266 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3268 * config/i386/i386.md (movsf_1): Enable pattern for standard
3269 80387 constants before reload when optimizing for size.
3270 (*movdf_nointeger, *movdf_integer): Ditto.
3271 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3272 80387 constants before reload when not optimizing for size.
3274 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3275 extension of XFmode input operands.
3277 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3279 * config/spu/crt0.c (__dso_handle): Define.
3281 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3283 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3284 when clearing the used flags.
3286 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3288 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3290 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3293 * config/spu/spu.md (extend_compare<mode>): New pattern.
3294 (extend_compare): Change to expand and use the above pattern.
3296 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3298 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3300 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3301 (DFP_INIT_ROUNDMODE): Define.
3302 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3303 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3305 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3307 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3308 Update documentation.
3309 (associate_line_notes_with_blocks): Kill.
3310 (extend_bb): Remove basic block argument, put void instead.
3311 Remove line number handling for each bb.
3312 (save_line_notes): Kill.
3313 (restore_line_notes): Kill.
3314 (sched_init): Remove line_note_head initialization.
3315 Change extend_bb call.
3316 (sched_finish): Remove free of line_note_head.
3317 (add_block): Change extend_bb call.
3318 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3319 rm_line_notes and restore_line_notes calls.
3320 (schedule_ebbs): Remove rm_redundant_line_notes.
3321 * sched-int.h (struct haifa_insn_data): Remove line_note.
3322 (save_line_notes): Remove declaration.
3323 (restore_line_notes): Remove declaration.
3324 * modulo-sched.c (loop_canon_p): Update debug info printing
3325 by using insn locators instead of line note.
3326 (sms_schedule): Update debug info printing, by using insn
3327 locators instead of line note.
3328 * sched-rgn.c (debug_dependencies): Remove handling of case
3329 n>0 (line number), since it's a dead code.
3330 (schedule_region): Remove save_line_notes and
3331 restore_line_notes calls.
3333 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3335 * config/rs6000/predicates.md (gpc_reg_operand): Check
3336 invalid_e500_subreg.
3337 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3338 SImode subregs of SPE vectors.
3339 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3340 * jump.c (true_regnum): Require subregs to satisfy
3341 subreg_offset_representable_p.
3343 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3344 Steven Bosscher <stevenb.gcc@gmail.com>
3346 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3347 since it no longer exists.
3349 2006-11-29 Duncan Sands <baldrick@free.fr>
3351 PR tree-optimization/23744
3352 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3354 2006-11-29 Duncan Sands <baldrick@free.fr>
3356 PR tree-optimization/23744
3357 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3359 2006-11-29 Duncan Sands <baldrick@free.fr>
3361 PR tree-optimization/23744
3362 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3364 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3366 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3368 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3370 * sh.opt (minline-ic_invalidate): New option.
3371 (musermode): Adjust comment.
3372 * sh.c (sh_initialize_trampoline): Emit library call unless
3373 is set; if it is set, don't emit library call if we can use icbi
3375 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3376 icbi for TARGET_SH4_300.
3377 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3378 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3379 -musermode documentation.
3381 2006-11-29 Jim Tison <jtison@us.ibm.com>
3383 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3384 __gthread_recursive_mutex_init): Define.
3386 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3388 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3389 STRICT_ALIGNMENT and the type is more aligned than the saved
3390 registers, copy via a temporary.
3392 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3395 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3398 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3400 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3402 2006-11-28 Jan Hubicka <jh@suse.cz>
3404 Privatize SSA variables into gimple_df.
3405 * tree-flow-inline.h
3406 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3407 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3408 gimple_nonlocal_all): New accessors.
3409 (first_referenced_var): Update.
3410 (mark_stmt_modified): Update.
3411 (is_call_clobbered): Update.
3412 (mark_call_clobbered): Update.
3413 (clear_call_clobbered): Update.
3414 (mark_non_addressable): Update.
3415 * tree-vrp.c (get_value_range): Update.
3416 * tree-into-ssa.c (in_ssa_p): Kill.
3417 (get_default_def_for): Update.
3418 (rewrite_into_ssa): Update.
3419 * tree-complex.c (init_parameter_lattice_values): Update.
3420 (update_complex_assignment): Update.
3421 (update_parameter_components): Update.
3422 (expand_complex_libcall): Update.
3423 (expand_complex_operations_1): Update.
3424 * tree-tailcall.c (arg_needs_copy_p): Update.
3425 (add_virtual_phis): Update.
3426 (tree_optimize_tail_calls_1): Update.
3427 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3428 * tree-ssa-copyrename.c
3429 (copy_rename_partition_coalesce): Update.
3430 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3431 * tree-ssa-propagate.c (set_rhs): Update.
3432 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3433 addressable_vars, global_var):Kill.
3434 (set_initial_properties): Update.
3435 (init_alias_info): Update.
3436 (finalize_ref_all_pointers): Update.
3437 (setup_pointers_and_addressables): Update.
3438 (maybe_create_global_var): Update.
3439 (create_global_var): Update.
3440 (dump_points_to_info): Update.
3441 * function.h (struct gimple_df): Forward declare.
3442 (struct function): Add GIMPLE_DF field.
3443 * gimplify.c (force_gimple_operand): Update.
3444 * tree-dfa.c (referenced_vars, default_defs): KIll.
3445 (make_rename_temp): Update.
3446 (dump_variable): Update.
3447 (referenced_var_lookup): Update.
3448 (referenced_var_check_and_insert): Update.
3449 (default_def): Rename to ...
3450 (gimple_default_def): ... this one; accept cfun argument.
3451 (set_default_def): Update.
3452 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3453 (cleanup_control_flow): Update.
3454 * tree-ssa-pre.c (compute_avail): Update
3455 * tree-ssa-live.c (calculate_live_on_entry): Update.
3456 * tree-ssa.c (verify_use): Update.
3457 (verify_call_clobbering): Update.
3458 (verify_call_clobbering): Update.
3459 (init_tree_ssa): Update.
3460 (delete_tree_ssa): Update.
3461 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3462 (rewrite_out_of_ssa): Update.
3463 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3464 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3466 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3467 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3468 addressable_vars, aliases_computed_p): Kill.
3469 (default_def): Rename to...
3470 (gimple_default_def): ... this one.
3471 (defaule_def_fn): Kill.
3472 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3473 * tree-ssa-structalias.c (nonlocal_all): Kill.
3474 (get_constraint_exp_from_ssa_var): Update.
3475 (create_nonlocal_var): Update.
3476 (get_constraint_for): Update.
3477 (update_alias_info): Update.
3478 (find_global_initializers): Update.
3479 (intra_create_variable_infos): Update.
3480 (intra_create_variable_infos):
3481 (find_what_p_points_to): Update.
3482 (init_alias_heapvars): Update.
3483 * tree-cfg.c (remove_bb): Update.
3484 (gimplify_val): Update.
3485 * tree-ssa-reassoc.c (get_rank): Update.
3486 (init_reassoc): Update.
3487 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3488 (ssa_names, free_ssanames): Kill.
3489 (init_ssanames): Update.
3490 (make_ssa_name): Update.
3491 (release_ssa_name): Update.
3492 (release_defs): Update.
3493 (replace_ssa_name_symbol): Update.
3494 * tree-ssa-operands.c (access_can_touch_variable): Update.
3495 (add_virtual_operand): Update.
3496 (add_call_clobber_ops): Update.
3497 (add_call_read_ops): Update.
3498 (get_call_expr_operands): Update.
3499 (get_asm_expr_operands): Update.
3501 2006-11-28 Jan Hubicka <jh@suse.cz>
3503 * builtins.c: Include tree-flow.h.
3504 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3505 assignment; convert memmove to memcpy for sizes greater than 1 where
3506 alignment of operands prohibit the partial overlap.
3508 2006-11-28 Jan Hubicka <jh@suse.cz>
3510 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3511 * cgraph.c (dump_cgraph_node): Dump stack usage.
3512 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3513 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3514 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3515 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3516 (cgraph_check_inline_limits): Limit stack growth.
3517 * cfgexpand.c: Include tree-inline.h.
3518 (account_stack_vars): New function.
3519 (expand_one_var): New param to just account the stack; return estimated
3521 (expand_used_vars_for_block): Update call of expand_one_var.
3522 (account_used_vars_for_block): New function.
3523 (estimated_stack_frame_size): Likewise.
3524 (init_vars_expansion, fini_vars_expansion): Break out from..
3525 (expand_used_vars): ... here.
3526 * tree-inline.h (estimated_stack_frame_size): Declare.
3527 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3529 2006-11-28 Richard Guenther <rguenther@suse.de>
3531 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3532 unsigned long for printing OBJECT_SIZE.
3534 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3536 * alias.c (init_alias_analysis): Remove simplification loop
3537 after propagating pointers.
3539 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3541 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3544 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3546 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3548 2006-11-27 Roger Sayle <roger@eyesopen.com>
3549 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3551 * c-common.c (constant_fits_type_p): Delete.
3552 (unsigned_conversion_warning): Delete.
3553 (conversion_warning): Integrate Wconversion warning from
3554 unsigned_conversion_warning.
3555 (convert_and_check): Integrate Woverflow warning from
3556 unsigned_conversion_warning. Reorganize and simplify to avoid
3557 dependence upon the middle-end setting TREE_OVERFLOW on integral
3558 conversions, by using int_fits_type_p directly.
3560 2006-11-27 Tobias Burnus <burnus@net-b.de>
3562 * doc/invoke.texi: Fixed typo.
3564 2006-11-27 Michael Matz <matz@suse.de>
3565 Andreas Krebbel <krebbel1@de.ibm.com>
3568 * config/s390/predicates.md (larl_operand): Check addend of larl
3569 operand to be in range of -/+2GB.
3570 * config/s390/s390.c (legitimize_pic_address): Likewise.
3571 Changed type of variable even to HOST_WIDE_INT.
3573 2006-11-27 Jan Hubicka <jh@suse.cz>
3575 * expr.c (emit_block_move_via_libcall): Export.
3576 (clear_storage_via_libcall): Rename to ...
3577 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3578 (clear_storage): Update to set_storage_via_libcall.
3579 * expr.h (emit_block_move_via_libcall): Declare
3580 * config/i386/i386.h (stringop_alg): New enum.
3581 (MAX_STRINGOP_ALGS): New constant.
3582 (stringop_algs): New struct.
3583 (processor_costs): Add memcpy/memset descriptors.
3584 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3585 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3586 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3588 * config/i386/i386.opt (minline-stringops-dynamically,
3589 mstringop-strategy): New
3591 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3592 (ix86_expand-clrmem): Rename to ...
3593 (ix86_expand_setmem): ... this one; update prototype.
3594 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3595 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3596 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3597 nocona_cost, core2_cost, generic_cost, generic64_cost,
3598 generic32_cost): Add memcpy/memset descriptors.
3599 (x86_rep_movl_optimal): Remove.
3600 (stringop_alg): New static variable.
3601 (ix86_expand_aligntest): Handle predictions.
3602 (override_options): Add strgop_alg handling.
3603 (predict_jump): New function.
3604 (scale_counter): New function.
3605 (expand_set_or_movmem_via_loop): New function.
3606 (expand_movmem_via_rep_mov): New function.
3607 (expand_setmem_via_rep_stots): New function.
3608 (emit_strmov): New function.
3609 (expand_movmem_epilogue): New function.
3610 (expand_setmem_epilogue_via_loop): New function.
3611 (expand_setmem_epilogue): New function.
3612 (expand_movmem_prologue): New function.
3613 (expand_setmem_prologue): New function.
3614 (decide_alg): New function.
3615 (decide_alignment): New function.
3616 (ix86_exand_movmem): Rewrite.
3617 (promote_duplicated_reg): New function.
3618 (ix86_expand_clrmem): Rename to ...
3619 (ix86_expand_setmem): ... this one. Rewrite.
3621 * invoke.texi (minline-stringops-dynamically): New command line option.
3622 (mstringop-strategy): Likewise.
3624 2006-11-27 Jan Hubicka <jh@suse.cz>
3626 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3627 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3628 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3629 * insn-notes.def (FUNCTION_END): Remove.
3630 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3631 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3633 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3634 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3635 * cfglayout.c (duplicate_insn_chain): Don't worry about
3638 2006-11-27 Richard Guenther <rguenther@suse.de>
3639 Zdenek Dvorak <dvorakz@suse.cz>
3641 * target.h (struct gcc_target): Add builtin_vectorized_function
3643 * target-def.h (TARGET_VECTORIZE): Likewise.
3644 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3645 Document new target hook.
3646 * targhooks.h (default_builtin_vectorized_function): Declare.
3647 * targhooks.c (default_builtin_vectorized_function): Define.
3648 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3649 (vectorizable_call): Declare.
3650 * tree-vect-analyze.c (vect_analyze_operations): Call
3652 * tree-vect-transform.c (vectorizable_function): New static function.
3653 (build_vectorized_function_call): Likewise.
3654 (vectorizable_call): New function.
3655 (vect_transform_stmt): Handle vectorizable calls.
3657 2006-11-27 Richard Guenther <rguenther@suse.de>
3660 * builtins.c (expand_builtin_pow): Optimize non integer valued
3661 constant exponents using sqrt or cbrt if possible. Always fall back
3662 to expanding via optabs.
3664 2006-11-27 Ira Rosen <irar@il.ibm.com>
3666 PR tree-optimization/22372
3667 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3668 the type of the base address.
3669 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3670 it in the data-ref pointer creation.
3671 (vect_init_vector): Add an argument, type of the init vector. Use it in
3673 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3674 (get_initial_def_for_reduction): Likewise.
3675 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3677 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3678 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3679 correct type in stmt creation.
3680 (vect_setup_realignment): Use the correct type in stmt creation.
3681 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3683 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3684 of MODIFY_EXPR to void_type_node.
3685 (vectorizable_condition): Change type of MODIFY_EXPR to
3687 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3690 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3693 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3694 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3695 standard 80387 constants, raise the cost to prevent
3696 compress_float_constant() to generate load from memory.
3698 * config/i386/i386.md: Add new splitter pattern to split
3699 float_extended load of constant from constant pool into
3702 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3704 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3705 section to general section. Remove documentation for
3706 --with-mpfr-dir and --with-gmp-dir, add documentation for
3707 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3710 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3712 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3714 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3716 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3718 PR tree-optimization/29122
3719 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3720 for the new version. Assign NULL to DECL_RTL of the new version.
3722 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3724 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3726 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3728 * cse.c (cse_altered): Remove.
3729 (record_jump_equiv): Make true/false argument a bool instead
3731 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3732 where appropriate. Emit a new jump before the existing one
3733 instead of after so that delete_insn_and_edges removes the
3734 dead edges properly. Check any_condjump_p before calling
3736 (cse_basic_block): Check any_condjump_p before calling
3738 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3740 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3742 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3743 -ffixed-line-length-* options.
3745 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3747 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3748 (fprem1xf4): Rename to fprem1xf4_i387.
3750 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3751 Rename patterns to fmod<mode>3. Use general_operand operand
3752 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3753 patterns for SSE math.
3754 (remaindersf3, remainderdf3): Ditto.
3756 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3758 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3759 inside start_sequence / end_sequence pair.
3761 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3763 * jump.c (mark_all_labels): Work in cfglayout mode.
3764 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3765 when in cfglayout mode, because there are no dead jumptables
3767 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3769 (commit_edge_insertions): Do not allow insertion of instructions
3770 with control flow insns when in cfglayout mode.
3772 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3774 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3776 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3777 unswitch_loop): Ditto.
3778 * tree-loop-linear.c (linear_transform_loops): Ditto.
3779 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3780 tree_ssa_lim): Ditto.
3781 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3782 free_numbers_of_iterations_estimates): Ditto.
3783 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3784 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3785 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3786 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3787 place_new_loop, duplicate_loop, duplicate_subloops,
3788 update_single_exit_for_duplicated_loops, copy_loops_to,
3789 duplicate_loop_to_header_edge, create_preheaders,
3790 force_single_succ_latches, loop_version, fix_loop_structure):
3792 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3793 tree_unroll_loop): Ditto.
3794 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3795 * tree-scalar-evolution.c (select_loops_exit_conditions,
3796 scev_initialize, scev_analysis): Ditto.
3797 * tree-scalar-evolution.h (scev_initialize): Ditto.
3798 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3799 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3800 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3801 * modulo-sched.c (sms_schedule): Ditto.
3802 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3803 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3804 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3805 * ifcvt.c (if_convert): Ditto.
3806 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3807 canonicalize_loop_induction_variables,
3808 canonicalize_induction_variables,
3809 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3810 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3811 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3812 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3813 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3814 tree_ssa_loop_done): Ditto.
3815 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3816 estimate_bb_frequencies): Ditto.
3817 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3818 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3819 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3820 decide_unrolling_and_peeling, peel_loop_completely,
3821 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3822 peel_loop_simple, unroll_loop_stupid): Ditto.
3823 * loop-doloop.c (doloop_optimize_loops): Ditto.
3824 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3825 * loop-invariant.c (move_loop_invariants): Ditto.
3826 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3827 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3828 tree_ssa_prefetch_arrays): Ditto.
3829 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3831 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3832 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3833 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3834 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3835 verify_loop_structure): Ditto.
3836 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3837 canonicalize_induction_variables, tree_unroll_loops_completely,
3838 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3839 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3840 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3841 tree_unroll_loop, linear_transform_loops): Declaration changed.
3842 * basic-block.h: Remove declaration of struct loops.
3843 * cfghooks.h (struct cfg_hooks): Change type of
3844 cfg_hook_duplicate_loop_to_header_edge.
3845 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3846 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3847 vect_transform_loop): Declaration changed.
3848 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3849 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3850 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3851 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3852 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3853 loopify, loop_version, remove_path, unswitch_loops,
3854 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3855 Declaration changed.
3857 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3859 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3860 (X87MODEF): New mode macro.
3861 (ssemodefsuffix): New mode attribute.
3862 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3863 (sqrt_extend<mode>xf2_i387): New insn pattern.
3864 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3865 insn and truncate result back to original mode using
3866 UNSPEC_TRUNC_NOOP truncation.
3867 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3868 ssemodefsuffix mode attribute.
3869 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3870 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3871 (*sqrtextenddfxf2_i387): Remove insn patterns.
3873 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3874 truncation patterns.
3876 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3878 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3881 * c-tree.h (c_maybe_initialize_eh): New prototype.
3882 * c-decl.c (finish_decl): Move EH initialization...
3883 (c_maybe_initialize_eh): ... here. New function.
3884 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3885 if not #pragma omp atomic.
3888 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3889 or UNION_TYPE inner types.
3891 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3894 * ipa-pure-const.c (check_tree): If the original tree
3895 is volatile return early and say the function is not pure
3896 nor const. Remove the volatile check for writes.
3897 (analyze_function): Print out the result of the local
3900 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3902 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3904 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3905 * config/rs6000/rs6000.c (rs6000_override_options): Use
3906 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3909 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3911 * config/s390.c (s390_emit_compare_and_swap): New function.
3912 (s390_expand_cs_hqi, s390_expand_atomic): Call
3913 s390_emit_compare_and_swap.
3915 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3917 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3919 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3923 * c-common.c (conversion_warning): New.
3924 (convert_and_check): Call conversion_warning unless there is an
3926 * doc/invoke.texi (-Wconversion): Update description.
3928 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3930 * tree-ssa-alias.c (tree_pointer_compare): New function.
3931 (compact_name_tags): New function.
3932 (group_aliases): Call compact_name_tags.
3934 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3936 * real.h (real_isinteger): Declare.
3937 * real.c (real_isinteger): Define.
3938 * builtins.c (integer_valued_real_p): Use it.
3940 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3943 * c.opt (Wtraditional-conversion): New.
3944 (Wconversion): Update description.
3945 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3946 type conversions different from what would happen in the absence
3947 of prototype are now handled by Wtraditional-conversion.
3948 * doc/invoke.texi (Wtraditional-conversion): New.
3949 (Wconversion): Update description.
3950 * doc/trouble.texi (Wconversion): Replace Wconversion by
3951 Wtraditional-conversion.
3953 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3955 * predict.c (tree_estimate_probability): Check to make
3956 sure current_loops is non null before calling flow_loops_dump.
3958 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3960 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3962 2006-11-23 David Ung <davidu@mips.com>
3964 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3966 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3967 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3968 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3969 high part of FP register when in 64-bit FP register mode. Similarly
3970 use gen_mfhc1 to load high part of FP register.
3971 (override_options): Allow -mgp32 and -mfp64 combination if
3972 ISA_HAS_MXHC1 (currently for O32 only).
3973 (mips_cannot_change_mode_class): If floating-point registers are
3974 bigger than word size. disallow conversion of float register from a
3975 large integer mode to a float mode smaller than the float register
3977 (mips_class_max_nregs): Handle float registers case seperately.
3978 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3980 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3981 (movdf_hardfloat_32bit): Similarly.
3982 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3983 support a full 64-bit fpu.
3984 (mthc1): New pattern to generate MTHC1 instruction.
3985 (mfhc1): New pattern to generate MFHC1 instruction.
3986 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3987 option for the MIPS32R2 and mention its use under O32 ABI.
3989 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3991 * var-tracking.c (emit_note_insn_var_location): Take care not to
3992 cause verify_flow_info failures.
3994 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3996 * tree-ssa-structalias.c: Remove edge weights in favor of just
3997 processing them as complex constraints.
3998 (struct constraint_graph): Remove weighted succs and preds. Rename
3999 nonweighted succs and preds.
4000 (constraint_edge): Removed.
4001 (constraint_edge_t): Ditto.
4002 (constraint_edge_pool): Ditto.
4003 (new_constraint_edge): Ditto.
4004 (constraint_edge_equal): Ditto.
4005 (constraint_edge_less): Ditto.
4006 (constraint_edge_vec_find): Ditto.
4007 (erase_self_graph_edge): Ditto.
4008 (add_graph_edge): Removed.
4009 (get_graph_weights): Ditto.
4010 (allocate_graph_weights): Ditto.
4011 (valid_weighted_graph_edge): Ditto
4012 (bitmap_other_than_zero_bit_set): Ditto.
4013 (int_add_graph_edge): Renamed to add_graph_edge.
4014 (clear_edges_for_node): Remove support for weighted edges.
4015 (merge_graph_nodes): Ditto.
4016 (valid_graph_edge): Ditto.
4017 (build_constraint_graph): Ditto.
4019 (collapse_nodes): Ditto.
4020 (process_unification_queue): Ditto.
4021 (topo_visit): Ditto.
4022 (do_ds_constraint): Ditto.
4023 (perform_var_subsitution): Ditto.
4024 (solve_graph): Ditto.
4025 (init_alias_vars): Ditto.
4026 (delete_points_to_sets): Ditto.
4027 (do_complex_constraint): Support offsetted copies here.
4029 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4031 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4033 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4035 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4038 2006-11-23 Ben Elliston <bje@au.ibm.com>
4040 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4042 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4044 PR tree-optimization/29921
4045 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4046 signed and unsigned zero equal.
4048 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4050 * config/rs6000/rs6000.c (get_store_dest): New.
4051 (adjacent_mem_locations): Use get_store_dest() to get
4052 the rtl of the store destination.
4054 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4056 * config/rs6000/spe.md (SPE64): New mode macro.
4057 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4059 (mov_si<mode>_e500_subreg0_2): New.
4060 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4062 (mov_si<mode>_e500_subreg4_2): New.
4063 * config/rs6000/predicates.md (input_operand): Do not allow
4064 invalid E500 subregs.
4065 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4067 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4068 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4069 involving vector modes if TARGET_SPE.
4071 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4074 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4075 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4077 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4079 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4080 mem_i_address_operand): New predicates.
4081 * config/bfin/bfin.c (bfin_issue_rate): New function.
4082 (TARGET_SCHED_ISSUE_RATE): New macro.
4083 * config/bfin/bfin.md (addrtype): New attribute.
4084 (slot0, slot1, slot2, store, pregs): New cpu_units.
4085 (core): Now a define_reservation.
4086 (alu): Remove some insn types from this reservation.
4087 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4089 (dummy reservation): Don't trigger for mcld insns.
4090 (absence_sets): Two new absence sets to enforce slot ordering.
4091 (popsi_insn): Set addrtype.
4093 2006-11-22 Ira Rosen <irar@il.ibm.com>
4095 * doc/c-tree.texi: Document new tree codes.
4096 * doc/md.texi: Document new optabs.
4097 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4099 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4100 * optabs.h (optab_index): Add new.
4101 (vec_extract_even_optab, vec_extract_odd_optab,
4102 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4103 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4104 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4106 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4107 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4108 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4109 along with macros for their access.
4110 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4112 * tree-vect-analyze.c (toplev.h): Include.
4113 (vect_determine_vectorization_factor): Fix indentation.
4114 (vect_insert_into_interleaving_chain,
4115 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4116 (vect_analyze_data_ref_dependence): Add argument for interleaving
4117 check. Check for interleaving if it's true.
4118 (vect_check_dependences): New function.
4119 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4120 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4121 (vect_update_misalignment_for_peel): Update for interleaving.
4122 (vect_verify_datarefs_alignment): Check only first data-ref for
4124 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4125 only first data-ref for interleaving.
4126 (vect_analyze_data_ref_access): Check interleaving, update
4128 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4129 with different parameters.
4130 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4131 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4132 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4133 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4134 Update step in case of interleaving.
4135 (vect_strided_store_supported, vect_permute_store_chain): New
4137 (vectorizable_store): Handle strided stores.
4138 (vect_strided_load_supported, vect_permute_load_chain,
4139 vect_transform_strided_load): New functions.
4140 (vectorizable_load): Handle strided loads.
4141 (vect_transform_stmt): Add argument. Handle strided stores. Check
4142 that vectorized stmt exists for patterns.
4143 (vect_gen_niters_for_prolog_loop): Update calculation for
4145 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4146 whole chain vectorization.
4147 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4148 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4149 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4150 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4151 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4153 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4155 * cse.c (enum taken): Remove PATH_AROUND.
4156 (addr_affects_sp_p, invalidate_skipped_set,
4157 invalidate_skipped_block): Remove.
4158 (cse_end_of_basic_block): Remove skip_blocks and related code.
4159 (cse_main): Don't test for flag_cse_skip_blocks.
4160 Update cse_end_of_basic_block call.
4161 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4162 code to lengthen the path if a jump was simplified.
4164 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4166 PR rtl-optimization/29924
4167 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4168 (unroll_loop_runtime_iterations): Assert that the argument passed to
4169 split_edge_and_insert is not NULL.
4170 * loop-doloop.c (add_test): Ditto.
4172 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4174 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4176 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4177 * cfgloopmanip.c (update_single_exits_after_duplication,
4178 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4179 * tree-scalar-evolution.c (get_loop_exit_condition,
4180 get_exit_conditions_rec, loop_closed_phi_def,
4181 number_of_iterations_in_loop, scev_const_prop): Ditto.
4182 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4183 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4185 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4187 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4188 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4189 slpeel_make_loop_iterate_ntimes,
4190 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4191 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4193 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4194 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4195 vect_analyze_loop_form): Ditto.
4196 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4197 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4198 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4199 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4200 vect_transform_loop): Ditto.
4201 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4202 (single_exit, set_single_exit): New functions.
4203 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4204 (single_exit, set_single_exit): Declare.
4205 * doc/loop.texi: Undocument single_exit field. Document single_exit
4208 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4210 PR tree-optimization/29902
4211 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4212 any involved ssa name appears in abnormal phi node.
4214 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4216 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4217 (xtensa_const_ok_for_letter_p): Delete.
4218 (xtensa_extra_constraint): Delete.
4219 (override_options): Delete xtensa_char_to_class initialization.
4220 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4221 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4222 (EXTRA_CONSTRAINT): Delete.
4223 * config/xtensa/xtensa.md: Include constraints.md.
4224 (call_internal): Combine alternatives.
4225 (call_value_internal): Likewise, and remove invalid constraints.
4226 * config/xtensa/constraints.md: New file.
4227 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4228 (xtensa_extra_constraint): Delete.
4229 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4232 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4234 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4235 of conversion that doesn't fit.
4237 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4238 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4239 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4241 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4243 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4245 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4247 2006-11-21 Richard Guenther <rguenther@suse.de>
4249 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4250 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4251 vect_recog_pow_pattern.
4252 (vect_recog_pow_pattern): New function.
4254 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4256 * config/bfin/bfin.opt (mstack-check-l1): New.
4257 * doc/invoke.texi (Blackfin Options): Document it.
4258 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4259 stack bounds in L1 memory if the new option is enabled.
4260 (override_options): Don't allow combinations of -fstack-limit and
4262 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4265 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4267 (bfin_register_move_cost): Bump costs if trying to move plain
4268 integer values through accumulators.
4270 2006-11-21 Ben Elliston <bje@au.ibm.com>
4272 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4274 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4275 Russell Olsen <Russell_Olsen@playstation.sony.com>
4276 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4277 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4278 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4279 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4280 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4282 * config.gcc: Add target for SPU.
4283 * config/spu/constraints.md: New file.
4284 * config/spu/crt0.c: New file.
4285 * config/spu/crtend.c: New file.
4286 * config/spu/crti.asm: New file.
4287 * config/spu/crtn.asm: New file.
4288 * config/spu/float_unsdidf.c: New file.
4289 * config/spu/float_unssidf.c: New file.
4290 * config/spu/predicates.md: New file.
4291 * config/spu/spu-builtins.def: New file.
4292 * config/spu/spu-builtins.h: New file.
4293 * config/spu/spu-builtins.md: New file.
4294 * config/spu/spu-c.c: New file.
4295 * config/spu/spu-elf.h: New file.
4296 * config/spu/spu-modes.def: New file.
4297 * config/spu/spu-protos.h: New file.
4298 * config/spu/spu.c: New file.
4299 * config/spu/spu.h: New file.
4300 * config/spu/spu.md: New file.
4301 * config/spu/spu.opt: New file.
4302 * config/spu/spu_internals.h: New file.
4303 * config/spu/spu_intrinsics.h: New file.
4304 * config/spu/spu_mfcio.h: New file.
4305 * config/spu/t-spu-elf: New file.
4306 * config/spu/vec_types.h: New file.
4307 * config/spu/vmx2spu.h: New file.
4308 * doc/contrib.texi: Document SPU contributor.
4309 * doc/extend.texi: Document SPU extensions.
4310 * doc/invoke.texi: Document SPU options.
4311 * doc/md.texi: Document SPU constraints.
4313 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4315 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4317 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4319 (flow_loop_dump): Do not dump loop level.
4320 (flow_loops_find): Do not call flow_loops_level_compute.
4321 * cfgloop.h (struct loop): Remove level field.
4323 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4325 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4326 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4327 Use vector of edges instead of array.
4328 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4329 estimate_numbers_of_iterations_loop): Ditto.
4330 * predict.c (predict_loops): Ditto.
4331 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4332 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4334 * basic-block.h: Declare heap allocation for edge vectors.
4335 * tree-outof-ssa.c: Ditto.
4336 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4337 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4339 2006-11-20 Zack Weinberg <zackw@panix.com>
4341 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4342 Add another out parameter, "skip".
4343 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4344 is tagged "skip", do not mark its type used.
4346 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4349 * tree-sra.c (single_scalar_field_in_record_p): New function.
4350 (decide_block_copy): Use it.
4352 2006-11-20 David Daney <ddaney@avtrex.com>
4354 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4355 PC to point to following instruction.
4357 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4361 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4363 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4365 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4367 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4368 Add sh/superh.h to tm_file.
4370 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4371 Mark Mitchell <mark@codesourcery.com>
4373 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4375 (cpp_relocated): New function.
4376 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4378 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4379 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4380 replace configured prefix with gcc_exec_prefix.
4382 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4384 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4385 bfin_legitimate_constant_p.
4386 * config/bfin/bfin.md (movsi expander): Check return value of
4388 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4389 (expand_move): Adjust prototype.
4390 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4391 invalid constants specially.
4392 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4394 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4396 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4397 sibcall_value_symbol): Allow these patterns if
4398 TARGET_LEAF_ID_SHARED_LIBRARY.
4399 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4400 (override_options): Turn on id shared library flags if -msep-data,
4401 but disallow the combination of these options on the command line.
4402 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4403 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4404 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4405 -mid-shared-library.
4406 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4407 * doc/invoke.texi (Blackfin Options): Document new switches.
4409 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4410 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4412 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4413 inflate costs for addresses with an out-of-bounds address.
4415 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4418 * fwprop.c (loops): Remove.
4419 (forward_propagate_into): Use current_loops instead of
4421 (fwprop_init): Call loop_optimizer_init instead of
4423 (fwprop_done): Call loop_optimizer_finalize instead of
4425 (fwprop): Use current_loops instead of loops.
4427 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4430 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4432 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4435 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4436 larger than BITS_PER_WORD.
4438 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4442 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4443 to MAX_FIXED_MODE_SIZE.
4445 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4448 (fold_builtin_fmin_fmax): New.
4449 (fold_builtin_1): Use it.
4451 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4453 2006-11-18 Richard Guenther <rguenther@suse.de>
4455 * config/i386/i386.c (ix86_builtins): New array for ix86
4456 builtin function decls.
4457 (def_builtin): New function.
4458 (def_builtin_const): Likewise.
4459 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4461 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4463 * doc/invoke.texi (core2): Add item.
4465 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4467 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4468 (TARGET_CPU_DEFAULT_generic): Change value.
4469 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4470 (processor_type): Add new constant PROCESSOR_CORE2.
4472 * config/i386/i386.md (cpu): Add core2.
4474 * config/i386/i386.c (core2_cost): New initialized variable.
4475 (m_CORE2): New macro.
4476 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4477 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4478 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4479 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4480 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4481 x86_accumulate_outgoing_args, x86_prologue_using_move,
4482 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4483 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4484 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4485 x86_pad_returns): Add m_CORE2.
4486 (override_options): Add entries for Core2.
4487 (ix86_issue_rate): Add case for Core2.
4489 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4491 * doc/invoke.texi: Fix mno-isel typo.
4493 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4495 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4496 easy vector constant loads.
4498 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4500 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4501 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4502 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4503 * config/rs6000/sync.md (lwsync): Emit plain sync if
4506 2006-11-17 DJ Delorie <dj@redhat.com>
4508 * reload1.c (reloads_unique_chain): New.
4509 (reloads_conflict): Call it.
4511 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4513 * config/xtensa/predicates.md (addsubx_operand): New.
4514 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4515 (xtensa_emit_bit_branch): New.
4516 (xtensa_emit_movcc): New.
4517 * config/xtensa/xtensa.md (any_minmax): New code macro.
4518 (minmax): New code attribute.
4519 (any_cond, any_scc, any_scc_sf): New code macros.
4520 (*addx2, *addx4, *addx8): Delete.
4522 (*subx2, *subx4, *subx8): Delete.
4524 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4525 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4526 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4527 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4528 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4529 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4530 (movsfcc_internal0, movsfcc_internal1): Likewise.
4531 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4532 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4533 (xtensa_emit_bit_branch): New.
4534 (xtensa_emit_movcc): New.
4535 (function_arg_boundary): Add missing prototype.
4537 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4539 * config/xtensa/xtensa.md (tstsi): Delete
4541 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4543 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4545 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4547 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4549 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4551 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4553 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4555 * tree-vrp.c (execute_vrp): Do not update current_loops.
4556 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4557 * doc/loop.texi: Remove documentation for cancelled functions.
4558 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4559 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4561 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4562 (remove_path): Ensure that in delete_basic_blocks, the loops
4563 are still allocated.
4564 (add_loop): Work on valid loop structures.
4565 (loopify): Modify call of add_loop.
4566 (mfb_update_loops): Removed.
4567 (create_preheader): Do not update loops explicitly.
4568 (force_single_succ_latches, loop_version): Do not use
4569 loop_split_edge_with.
4570 (loop_split_edge_with): Removed.
4571 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4572 Do not use bsi_insert_on_edge_immediate_loop.
4573 (split_loop_exit_edge, tree_unroll_loop): Do not use
4574 loop_split_edge_with.
4575 (bsi_insert_on_edge_immediate_loop): Removed.
4576 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4577 use loop_split_edge_with.
4578 * cfghooks.c: Include cfgloop.h.
4579 (verify_flow_info): Verify that loop_father is filled iff current_loops
4581 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4582 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4584 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4586 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4587 loop_split_edge_with.
4588 (sms_schedule): Use current_loops.
4589 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4590 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4592 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4593 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4594 * ifcvt.c (if_convert): Ditto.
4595 * predict.c (predict_loops): Do not clear current_loops.
4596 (tree_estimate_probability): Use current_loops.
4597 (propagate_freq): Receive head of the region to propagate instead of
4599 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4600 (estimate_loops): New function. Handle case current_loops == NULL.
4601 (estimate_bb_frequencies): Do not allocate tovisit. Use
4603 * tree-ssa-loop.c (current_loops): Removed.
4604 (tree_loop_optimizer_init): Do not return loops.
4605 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4606 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4607 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4608 Do not update loops explicitly.
4609 * function.h (struct function): Add x_current_loops field.
4610 (current_loops): New macro.
4611 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4612 * loop-unroll.c (split_edge_and_insert): New function.
4613 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4614 use loop_split_edge_with.
4615 * loop-doloop.c (add_test, doloop_modify): Ditto.
4616 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4617 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4618 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4619 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4621 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4622 (flow_loops_free): Do not free dfs_order and rc_order.
4623 (flow_loops_find): Do not set dfs_order and rc_order in loops
4624 structure. Do not call loops and flow info verification.
4625 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4626 already belongs to some loop.
4627 * cfgloop.h (struct loops): Remove struct cfg.
4628 (current_loops, loop_split_edge_with): Declaration removed.
4629 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4630 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4631 Declaration removed.
4632 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4633 * basic-block.h (split_edge_and_insert): Declare.
4634 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4636 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4638 PR tree-optimization/29801
4639 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4640 (get_default_value): Use get_symbol_constant_value.
4641 (set_lattice_value): ICE when the value of the constant is
4643 (visit_assignment): Ignore VDEFs of read-only variables.
4645 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4647 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4649 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4650 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4652 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4654 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4655 select subvars of var.
4657 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4660 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4661 optimize if DEF doesn't have integral type.
4663 2006-11-16 Mike Stump <mrs@apple.com>
4665 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4666 pre-darwin9 system, unless the user asks for it directly.
4667 (PREFERRED_DEBUGGING_TYPE): Likewise.
4668 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4669 * config.gcc: Add suppport for darwin9.h.
4670 * config/darwin9.h: Add.
4671 * doc/install.texi (Specific): Clarify darwin documentation.
4673 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4675 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4676 optimizing for size.
4678 2006-11-16 Mike Stump <mrs@apple.com>
4680 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4682 2006-11-16 Dirk Mueller <dmueller@suse.de>
4684 * tree-vrp.c (get_value_range): Use XCNEW instead
4686 (insert_range_assertions): Use XCNEWVEC instead
4687 of XNEWVEC and memset.
4688 (vrp_initialize): Same.
4689 (vrp_finalize): Same.
4690 * tree-ssa-ccp.c (ccp_initialize): Same.
4691 * predict.c (tree_bb_level_predictions): Same.
4692 * calls.c (expand_call): Same.
4693 * tree-ssa-copy.c (init_copy_prop): Same.
4694 (fini_copy_prop): Same.
4695 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4696 of GGC_NEW and memset.
4698 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4701 * gimplify.c (gimplify_expr): Only force a load for references to
4702 non-BLKmode volatile values.
4703 * doc/implement-c.texi (Qualifiers implementation): Document the
4704 interpretation of what a volatile access is.
4705 * doc/extend.texi (C++ Extensions): Rework same documentation.
4707 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4709 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4712 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4714 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4716 (arm_neg_abssi2): Renamed from neg_abssi2.
4717 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4719 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4721 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4722 number of arguments passed to local functions in SSE registers is 3.
4724 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4725 number of arguments passed in SSE registers to 3.
4727 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4730 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4732 (get_last_bb_insn): ... new global function.
4733 (basic_block.h): Declare it.
4734 * haifa-sched.c (create_recovery_block): Use it.
4736 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4739 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4741 2006-11-15 Paul Brook <paul@codesourcery.com>
4743 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4744 _Unwind_GetTextRelBase): Move from here ...
4745 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4746 _Unwind_GetTextRelBase): ... To here.
4748 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4750 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4751 addresses we generate for testing are aligned.
4753 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4756 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4757 to what is the const decl is a place holder for.
4759 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4761 * config/i386/i386.opt: New target option -mx87regparm.
4763 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4764 and float_in_x87 variables. mmx_words, sse_words: Remove.
4765 (X87_REGPARM_MAX): Define.
4767 * config/i386/i386.c (override_options): Error out for
4768 -mx87regparm but no 80387 support.
4769 (ix86_attribute_table): Add x87regparm.
4770 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4771 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4772 (ix86_function_x87regparm): New function.
4773 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4775 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4777 (function_arg_advance): Process x87_nregs and x87_regno when
4778 floating point argument is to be passed in 80387 register.
4779 (function_arg): Pass XFmode arguments in 80387 registers for local
4780 functions. Pass SFmode and DFmode arguments to local functions
4781 in 80387 registers when flag_unsafe_math_optimizations is set.
4783 * reg-stack.c (convert_regs_entry): Disable NaN load for
4784 stack registers that are used for argument passing.
4786 * doc/extend.texi: Document x87regparm function attribute.
4787 * doc/invoke.texi: Document -mx87regparm.
4789 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4791 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4792 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4793 arg MODE; all callers changed. Use it to determine validity per
4794 machine mode instead of using Pmode for all memory references.
4795 (get_address_cost): Likewise add and use new arg MEM_MODE.
4797 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4798 J"orn Rennecke <joern.rennecke@st.com>
4800 * combine.c (likely_spilled_retval_1): Fix masking operation.
4801 (likely_spilled_retval_p): Use proper pattern for call to
4802 likely_spilled_retval_1.
4804 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4806 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4808 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4809 that tests for CONSTANT_POOL_ADDRESS_P.
4811 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4813 PR tree-optimization/29581
4814 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4815 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4816 type is different between Y and USE, create a temporary
4817 variable, initialize it at the beginning of the body bb
4818 and use it as replacement instead of Y.
4820 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4823 * gimplify.c (fold_indirect_ref_rhs): Use
4824 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4826 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4828 * expmed.c (emit_store_flag_1): New function.
4829 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4831 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4832 Use do_compare_rtx_and_jump.
4833 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4834 * arm.md (cstoresi4): New define_expand.
4835 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4836 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4837 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4839 2006-11-14 Caroline Tice <ctice@apple.com>
4841 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4842 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4844 (pubname_table): Redefine as a vector.
4845 (pubtype_table): New static global variable, defined as a vector.
4846 (pubname_table_allocated): Remove static global variable.
4847 (pubname_table_in_use): Remove static global variable.
4848 (PUBNAME_TABLE_INCREMENT): Remove constant.
4849 (size_of_pubnames): Add parameter to deal with either pubnames or
4850 pubtypes, and change code to deal with table being a vector.
4851 (add_pubname): Change to deal with table being a vector.
4852 (add_pubtype): New function.
4853 (output_pubnames): Add parameter to deal with either pubnames or
4854 pubtypes, and change code to deal with table being a vector.
4855 (gen_array_type_die): Add call to add_pubtype.
4856 (gen_enumeration_type_die): Add call to add_pubtype.
4857 (gen_struct_or_union_type_die): Add call to add_pubtype.
4858 (gen_subroutine_type_die): Add call to add_pubtype.
4859 (gen_typedef_die): Add call to add_pubtype.
4860 (dwarf2out_init): Add code to initialize pubname_table and
4861 pubtype_table vectors; also initialize debug_pubtypes_section.
4862 (prune_unused_types): Change to deal with pubnames being a vector.
4863 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4864 pubnames table to call to output_pubnames; Add code to output pubtypes
4865 table if DEBUG_PUBTYPES_SECTION is defined.
4866 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4868 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4870 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4872 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4873 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4874 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4875 movv2si_internal): Support moves between core registers.
4877 2006-11-14 Eric Christopher <echristo@apple.com>
4879 * configure: Regenerate with autoconf 2.59.
4881 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4883 Fix PR tree-optimization/27755
4885 * tree-ssa-pre.c: Update comments.
4886 (bb_bitmap_sets): Add pa_in and deferred member.
4887 (BB_DEFERRED): New macro.
4888 (maximal_set): New variable.
4889 (pre_stats): Add pa_insert member.
4890 (bitmap_set_and): Short circuit orig == dest.
4891 (bitmap_set_subtract_values): New function.
4892 (bitmap_set_contains_expr): Ditto.
4893 (translate_vuses_through_block): Add phiblock argument.
4894 (dependent_clean): New function.
4895 (compute_antic_aux): Update for maximal_set changes.
4896 (compute_partial_antic_aux): New function.
4897 (compute_antic): Handle partial anticipation.
4898 (do_partial_partial_insertion): New function.
4899 (insert_aux): Handle partial anticipation.
4900 (add_to_sets): Add to maximal set.
4901 (compute_avail): Ditto.
4902 (init_pre): Initialize maximal_set.
4903 (execute_pre): Do partial anticipation if -O3+.
4905 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4907 PR rtl-optimization/29798
4909 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4910 TARGET_INSN before any other check.
4911 (fwprop_init): Always calculate dominators.
4912 (fwprop_done): Always free them.
4914 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4916 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4919 2006-11-13 DJ Delorie <dj@redhat.com>
4921 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4922 temporary for intermediates.
4924 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4926 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4927 (sh_optimize_target_register_callee_saved): #if 0 the code
4928 using NOTE_INSN_LOOP_{BEG,END}.
4930 2006-11-13 Roger Sayle <roger@eyesopen.com>
4932 * fold-const.c (optimize_bit_field_compare): Recursively call
4933 fold when simplifying non-constant comparisons between bit-fields.
4935 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4937 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4939 * configure: Rebuilt.
4941 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4943 * config/rs6000/cell.md: New file.
4944 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4946 (ppccell_cost): New cost matrix.
4947 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4948 (rs6000_override_options): Set rs6000_always_hint to false
4949 for cell. Also align functions/lables/loops to 8byte
4950 for the Cell. Use PROCESSOR_CELL.
4951 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4952 using_mtcr_multiple.
4953 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4954 on the Cell, return 0.
4955 (rs6000_adjust_cost): Add Cell cost adjustments.
4956 (is_microcoded_insn): Return true for Cell microcoded
4958 (is_nonpipeline_insn): New function.
4959 (rs6000_issue_rate): Add PROCESSOR_CELL.
4960 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4962 (rs6000_use_sched_lookahead_guard): New function.
4963 (rs6000_sched_reorder): Reorder the ready list, if the second
4964 to last ready insn is a nonepipeline insn on the Cell.
4965 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4966 (ASM_CPU_SPEC): Add Cell.
4967 * config/rs6000/rs6000.md (cpu): Add Cell.
4968 (cell_micro): New Attr.
4971 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4973 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4975 * configure: Rebuilt.
4977 2006-11-13 Richard Guenther <rguenther@suse.de>
4979 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4981 (ix86_expand_lfloorceil): Likewise.
4982 (ix86_expand_rint): Likewise.
4983 (ix86_expand_floorceildf_32): Likewise.
4984 (ix86_expand_floorceil): Likewise.
4985 (ix86_expand_rounddf_32): Likewise.
4986 (ix86_expand_truncdf_32): Likewise.
4987 (ix86_expand_round): Likewise.
4989 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4990 Mark Mitchell <mark@codesourcery.com>
4992 * gcc.c: Organize search path variables into $prefix relative,
4993 and well-known native. Add comments.
4994 (add_sysrooted_prefix): Add comment.
4995 (process_command): If !gcc_exec_prefix add $prefix based paths.
4996 If *cross_compile == '0', add native well-known paths.
4997 Assert tooldir_base_prefix is always relative.
4998 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4999 use this value for 'install:' path.
5000 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5002 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5004 * config/i386/i386.c: Fix a typo in comment.
5006 2006-11-13 Michael Matz <matz@suse.de>
5008 * genemit.c (gen_expand): Allocate enough memory.
5010 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5012 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5013 __GXX_TYPEINFO_EQUALITY_INLINE but not
5014 __GXX_MERGED_TYPEINFO_NAMES.
5015 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5016 __GXX_MERGED_TYPEINFO_NAMES.
5017 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5018 __GXX_TYPEINFO_EQUALITY_INLINE.
5020 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5021 Zdenek Dvorak <dvorakz@suse.cz>
5023 PR tree-optimization/29680
5024 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5027 2006-11-12 Jason Merrill <jason@redhat.com>
5028 Andrew Pinski <pinskia@physics.uc.edu>
5031 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5033 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5035 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5036 * tree.c (build_vector): Handle non-_CST elements.
5038 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5040 * genemit.c (gen_insn): Call gen_exp with a non-null used
5041 when handling multiple insns.
5042 (gen_expand): Likewise.
5043 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5044 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5045 (movsi_const_16bit+1): Copy operands[1].
5046 (call_pcrel): Copy the call_site pattern.
5047 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5049 2006-11-12 Roger Sayle <roger@eyesopen.com>
5051 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5052 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5053 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5054 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5056 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5058 Fix PR tree-optimization/29587
5059 * tree-ssa-structalias.c (process_constraint): Don't
5060 mark address taken due only to escaped vars constraint.
5062 2006-11-12 Michael Matz <matz@suse.de>
5063 Roger Sayle <roger@eyesopen.com>
5065 PR rtl-optimization/29797
5066 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5067 BITS_BIG_ENDIAN targets.
5069 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5071 * builtins.c (fold_builtin_cosh): New.
5072 (fold_builtin_1): Use it.
5073 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5074 trunc to the list of "odd" functions. Also add llrint, lrint,
5075 rint and nearbyint when flag_rounding_math is false.
5077 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5079 * tree-flow.h (name_mappings_registered_p): Declare.
5080 * tree-into-ssa.c (name_mappings_registered_p): New function.
5081 * tree-cfg.c (tree_can_merge_blocks_p): Check
5082 name_mappings_registered_p instead of need_ssa_update_p.
5084 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5086 * tree-ssa-loop.c (tree_vectorize): Return the result of
5088 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5089 if anything changed.
5090 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5091 * tree-flow.h (vectorize_loops): Declaration changed.
5093 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5095 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5097 (issue_prefetch_ref): Move assignment to write_p out of loop.
5098 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5099 SIMULTANEOUS_PREFETCHES into account.
5100 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5101 * lambda-code.c (lcm): Renamed to ...
5102 (least_common_multiple): ... and exported.
5103 * tree-flow.h (least_common_multiple): Declare.
5105 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5107 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5108 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5109 ud-chains. Handle AND_EXPR.
5110 (record_estimate): Record whether the estimate is realistic
5111 and whether it is derived from a loop exit.
5112 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5113 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5115 (compute_estimated_nb_iterations): Take only realistic bounds into
5116 account. Set estimate_state. Use double_ints.
5117 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5118 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5119 that do not have to be always executed.
5120 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5121 to determine whether to call infer_loop_bounds_from_undefined
5122 and compute_estimated_nb_iterations.
5123 (n_of_executions_at_most): Use double_ints.
5124 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5125 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5126 * double-int.c (double_int_to_tree): Improve comment.
5127 (double_int_fits_to_tree_p): New function.
5128 * double-int.h (double_int_fits_to_tree_p): Declare.
5129 * tree-data-ref.c: Include langhooks.h.
5130 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5131 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5132 (analyze_array): Do not pass estimate_only argument to
5133 analyze_array_indexes.
5134 (get_number_of_iters_for_loop): Build tree from the stored double_int
5136 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5137 (find_data_references_in_loop): Use find_data_references_in_stmt.
5138 * tree-data-ref.h (struct data_ref_loc_d): New.
5139 (get_references_in_stmt): Declare.
5140 (estimate_iters_using_array): Declaration removed.
5141 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5142 double_int. Improve comments. Add is_exit and realistic
5144 (struct loop): Changed type of estimated_nb_iterations to double_int.
5145 Added estimate_state field.
5146 (record_estimate): Declaration removed.
5148 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5150 * params.c (set_param_value): Initialize the "set" field.
5151 * params.h (struct param_info): Add "set" field.
5152 (PARAM_SET_P): New macro.
5153 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5154 L1_CACHE_LINE_SIZE): New macros.
5155 * toplev.c (DEFPARAM): Initialize the "set" field.
5156 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5157 SIMULTANEOUS_PREFETCHES): Removed.
5158 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5159 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5160 * config/sparc/sparc.c: Include params.h.
5161 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5162 L1_CACHE_LINE_SIZE parameters.
5163 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5165 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5167 * config/i386/i386.c: Include params.h.
5168 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5169 (override_options): Set SIMULTANEOUS_PREFETCHES and
5170 L1_CACHE_LINE_SIZE parameters.
5171 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5172 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5173 L1_CACHE_LINE_SIZE parameters.
5174 * config/ia64/ia64.c (ia64_optimization_options): Set
5175 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5176 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5178 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5179 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5180 * doc/invoke.texi: Document new params.
5182 2006-11-12 Roger Sayle <roger@eyesopen.com>
5184 PR tree-optimization/13827
5185 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5188 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5190 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5191 update_single_exit_for_duplicated_loops): New functions.
5192 (duplicate_loop_to_header_edge): Use
5193 update_single_exit_for_duplicated_loops.
5194 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5195 functions only with ENABLE_CHECKING.
5197 2006-11-12 Andreas Schwab <schwab@suse.de>
5199 * except.c (sjlj_emit_function_enter): Remove unused variable.
5201 2006-11-11 Roger Sayle <roger@eyesopen.com>
5203 * fold-const.c (int_binop_types_match_p): New function.
5204 (size_binop): Relax constraint that both arguments must both have
5205 exactly the same sizetype type. Instead use int_binop_types_match_p.
5206 (size_diffop): Likewise.
5208 (make_range): Use build_int_cst instead of fold_convert.
5209 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5210 integer constants of the correct type.
5211 (fold_div_compare): Likewise.
5212 (fold_single_bit_test): Likewise.
5213 (fold_binary): Likewise.
5214 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5215 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5217 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5220 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5221 non null value if the struct memory access is in the 0th
5224 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5227 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5228 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5231 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5232 instead of builtin_define for bfin and BFIN.
5234 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5236 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5239 2006-11-11 Jan Hubicka <jh@suse.cz>
5241 * extend.texi (__builtin_expect): We no longer require second argument
5243 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5244 * builtins.c (expand_builtin_expect): Simplify.
5245 (expand_builtin_expect_jump): Kill.
5246 * final.c (final_scan_insn): Do not skip the removed notes.
5247 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5248 EXPECTED_VALUE): Remove.
5249 * dojump.c (do_jump): Do not care about __builtin_expect.
5250 * predict.c (expected_value_to_br_prob): Kill.
5251 * function.c (expand_function_end): Do not expand
5252 NOTE_INSN_REPEATED_LINE_NUMBER.
5253 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5254 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5255 * cfgexpand.c (add_reg_br_prob_note): Export.
5256 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5257 expected_value_to_br_prob.
5258 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5259 * rtl.h (add_reg_br_prob_note): Declare.
5261 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5263 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5265 2006-11-11 Jan Hubicka <jh@suse.cz>
5267 * predict.c (predict_loops): Kill RTL variant.
5269 2006-11-11 Jan Hubicka <jh@suse.cz>
5271 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5272 * modulo-sched.c (find_line_note): Remove.
5273 (loop_canon_p): Do not worry about line number notes.
5274 (sms_schedule): Likewise.
5275 * cse.c (cse_main): Likewise.
5276 * regmove.c (fixup_match_1): Likewise
5277 * function.c (emit_return_info_block): Likewise.
5278 (expand_function_end): Likewise.
5279 (thread_prologue_an_epilogue_insns): Likewise.
5280 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5282 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5283 emit_note_copy_after): Kill.
5284 (emit_note_copy): Do not worry about line numbers.
5285 * jump.c (purge_line_number_notes): Kill.
5286 (pass_purge_lineno_notes): Kill.
5287 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5289 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5290 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5291 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5292 * tree-pass.h (pass_purge_lineno_notes): Kill.
5293 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5294 rm_redundant_line_notes.
5295 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5296 rm_redundant_line_notes.
5297 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5298 * haifa-sched.c: Update comment about handling notes.
5299 (unlink_line_notes): Kill.
5300 (rm_line_notes): Kill.
5301 (save_line_notes): Simplify.
5302 (rm_redundant_line_notes): Kill.
5304 2006-11-11 Richard Guenther <rguenther@suse.de>
5306 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5307 Remove unused tree codes.
5308 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5309 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5310 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5311 * tree.c (stabilize_reference): Likewise.
5312 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5313 fold_unary): Likewise.
5314 * tree-gimple.c (is_gimple_cast): Likewise.
5315 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5316 * expr.c (expand_expr_real_1): Likewise.
5317 * tree-eh.c (tree_could_trap_p): Likewise.
5318 * gimplify.c (gimplify_expr): Likewise.
5319 * tree-inline.c (estimate_num_insns_1): Likewise.
5320 * tree-cfg.c (verify_expr): Likewise.
5322 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5324 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5325 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5326 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5328 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5331 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5332 constraints accept neither registers or memories.
5334 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5336 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5337 (NO_PROFILE_COUNTERS): Define as 1.
5339 2006-11-10 Roger Sayle <roger@eyesopen.com>
5341 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5342 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5344 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5346 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5348 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5350 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5351 (fold_builtin_hypot): Likewise.
5352 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5354 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5356 2006-11-10 Roger Sayle <roger@eyesopen.com>
5358 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5359 when attempting to build INTEGER_CSTs of non-integral types.
5360 * expmed.c (make_tree): Use the correct type, i.e. the inner
5361 type, when constructing the individual elements of a CONST_VECTOR.
5363 2006-11-10 Jan Hubicka <jh@suse.cz>
5365 * cse.c (cse_process_notes): Copy the propagated value.
5366 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5368 * gcse.c (try_replace_reg): Copy the replacement.
5369 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5370 (assign_386_stack_local): Always return copied memory expression
5371 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5374 2006-11-10 Jan Hubicka <jh@suse.cz>
5376 * final.c (final): Walk from first instruction.
5377 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5379 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5382 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5384 (umulv8hi3_highpart): Ditto.
5385 (vec_widen_smult_hi_v8hi): New expander.
5386 (vec_widen_smult_lo_v8hi): Ditto.
5388 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5391 * builtins.c (do_mpfr_arg3): New.
5392 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5394 2006-11-09 Eric Christopher <echristo@apple.com>
5399 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5400 * config.gcc (powerpc64-*-darwin*): New target.
5401 * config.host: Ditto.
5402 * config/rs6000/darwin64.h: New file.
5403 * config/rs6000/x-darwin64: Ditto.
5404 * config/rs6000/host-ppc64-darwin.c: Ditto.
5406 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5408 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5409 routines for integer division.
5411 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5413 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5415 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5418 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5420 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5422 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5423 simplify_subreg with BLKmode outer mode.
5425 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5427 * doc/invoke.texi: Minor formatting fixes in option lists.
5429 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5431 PR tree-optimization/29738
5432 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5433 (ccp_lattice_t): Remove UNKNOWN_VAL.
5434 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5435 Do not handle UNKNOWN_VAL.
5436 (get_default_value): Set initial value of virtual operands to
5438 (get_value): Always use get_default_value on uninitialized
5440 (set_value_varying, surely_varying_stmt_p): New functions.
5441 (set_lattice_value): Do not pass argument to get_value.
5442 Do not handle UNKNOWN_VAL.
5443 (likely_value): Follow the semantics described in the comment.
5444 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5445 phi nodes DONT_SIMULATE_AGAIN.
5446 (ccp_fold): Do not pass argument to get_value.
5447 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5450 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5452 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5453 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5455 2006-11-08 Roger Sayle <roger@eyesopen.com>
5457 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5458 test for inclusion rather than as a test for exclusion.
5459 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5460 the condition after calling fold_binary.
5461 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5462 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5463 * builtins.c (fold_builtin_isascii): Likewise.
5464 (fold_builtin_isdigit): Likewise.
5466 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5468 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5469 * configure: Regenerate.
5471 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5473 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5474 enum argument instead of bool.
5475 (vect_analyze_operations): Call vectorizable_type_promotion.
5476 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5477 stmt_vec_info_type value.
5478 (supportable_widening_operation, vectorizable_type_promotion): New
5479 function declarations.
5480 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5481 (vectorizable_type_promotion): New function.
5482 (vect_transform_stmt): Call vectorizable_type_promotion.
5483 * tree-vect-analyze.c (supportable_widening_operation): New function.
5484 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5486 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5489 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5490 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5491 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5493 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5494 * expr.c (expand_expr_real_1): Likewise.
5495 * optabs.c (optab_for_tree_code): Likewise.
5496 (init_optabs): Initialize new optabs.
5497 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5498 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5499 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5500 vec_unpacku_lo_optab): Initialize new optabs.
5501 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5502 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5503 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5505 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5506 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5507 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5508 (vec_unpacku_lo_optab): New optabs.
5509 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5510 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5511 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5512 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5513 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5514 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5516 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5517 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5518 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5519 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5520 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5521 implement the unsigned unpacking patterns.
5522 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5523 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5524 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5525 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5526 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5527 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5528 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5529 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5530 multiplication patterns.
5532 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5533 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5534 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5535 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5536 (rs6000_builtin_mul_widen_odd): New.
5537 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5538 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5539 * tree-vectorizer.h (enum vect_relevant): New enum type.
5540 (_stmt_vec_info): Field relevant chaned from bool to enum
5542 (STMT_VINFO_RELEVANT_P): Updated.
5543 (STMT_VINFO_RELEVANT): New.
5544 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5545 instead of STMT_VINFO_RELEVANT_P.
5546 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5547 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5548 and boolean variable with enum vect_relevant.
5549 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5550 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5551 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5553 2006-11-08 Richard Henderson <rth@redhat.com>
5555 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5556 vec_widen_umult_lo_v8hi): New.
5557 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5558 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5560 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5561 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5562 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5563 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5564 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5565 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5566 vec_unpacks_lo_v4si): New.
5568 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5570 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5571 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5572 (vect_analyze_operations): Call vectorizable_type_demotion.
5573 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5574 stmt_vec_info_type value.
5575 (vectorizable_type_demotion): New function declaration.
5576 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5579 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5580 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5582 * tree-iniline.c (estimate_num_insns_1): Likewise.
5583 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5584 * optabs.c (optab_for_tree_code): Likewise.
5586 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5587 compared against the predicate of the result is not 'mode' (the input
5588 to the function) but a mode with half the size of 'mode'.
5589 (init_optab): Initialize new optabs.
5590 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5592 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5594 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5595 (vec_pack_usat_optab): Initialize new optabs.
5596 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5597 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5599 2006-11-08 Richard Henderson <rth@redehat.com>
5601 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5602 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5603 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5604 (vec_interleave_highv4si, vec_interleave_lowv4si):
5605 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5607 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5609 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5611 (vect_transform_stmt): Removed redundant code.
5613 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5615 * tree-vect-transform.c (vectorizable_operation): Support multiple
5618 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5620 * tree-vect-transform.c (vect_align_data_ref): Removed.
5621 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5622 Updated function documentation. Return the increment stmt in ptr_incr.
5623 (bump_vector_ptr): New function.
5624 (vect_get_vec_def_for_stmt_copy): New function.
5625 (vect_finish_stmt_generation): Create a stmt_info to newly created
5627 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5629 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5630 VF is greater than the number of elements that can fit in one vector
5632 (vectorizable_operation, vectorizable_condition): Likewise.
5633 (vectorizable_store, vectorizable_load): Support the case that the VF
5634 is greater than the number of elements that can fit in one vector word.
5635 (vect_transform_loop): Don't fail in case of multiple data-types.
5636 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5637 in case of multiple data-types; the smallest type determines the VF.
5638 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5639 if they are of different sizes.
5640 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5641 number of elements rather than number of bytes.
5642 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5643 (vect_can_advance_ivs_p): Fix a dump printout
5645 2006-11-07 Eric Christopher <echristo@apple.com>
5647 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5648 (__bswapsi2): Ditto.
5649 * libgcc2.h: Remove transformation of bswap routines.
5650 * config/i386/i386.md (bswapsi2): New.
5653 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5655 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5656 (handle_gnu_inline_attribute): New function.
5657 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5658 (merge_decls, start_decl, start_function): Likewise.
5659 * doc/extend.texi: Document gnu_inline attribute.
5661 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5664 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5665 _fixunstfdi, and _floatditf
5667 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5669 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5671 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5672 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5673 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5674 which start in an odd register.
5676 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5678 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5680 2006-11-07 Josh Conner <jconner@apple.com>
5682 * doc/invoke.texi (fstrict-aliasing): Move implementation
5684 * doc/tree-ssa.texi (Alias analysis): ...here.
5686 2006-11-07 Richard Guenther <rguenther@suse.de>
5688 PR tree-optimization/29610
5689 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5690 of tree_purge_dead_eh_edges as it may free dominators.
5692 * g++.dg/other/pr29610.C: New testcase.
5694 2006-11-07 David Ung <davidu@mips.com>
5696 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5697 costs when optimizing for size.
5698 (override_options): Use mips_rtx_cost_optimize_size table for cost
5701 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5703 * gcc.c (process_command): Treat -b as normal switch if its argument
5706 2006-11-07 David Ung <davidu@mips.com>
5708 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5711 2006-11-06 Eric Christopher <echristo@apple.com>
5713 * config.gcc: Add x86_64-darwin host support.
5714 * config.host: Ditto.
5715 * config/i386/darwin64.h: New file.
5716 * config/i386/t-darwin64: Ditto.
5718 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5720 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5721 and output-exists-not.
5723 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5726 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5727 checking for overflow.
5729 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5731 * configure.ac: Fixed typo in case statement: :: changed to ;;
5733 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5735 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5736 count_leading_zeros, and count_trailing_zeros.
5737 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5738 (TARGET_FOLD_BUILTIN): Define.
5739 (TARGET_EXPAND_BUILTIN): Define.
5740 (xtensa_init_builtins): New.
5741 (xtensa_fold_builtin): New.
5742 (xtensa_expand_builtin): New.
5743 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5744 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5745 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5746 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5747 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5748 (any_extend): New code macro.
5749 (u, su): New code attributes.
5750 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5751 (nsau): Remove; replaced by clzsi2.
5752 (ffssi2): Use clzsi2.
5753 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5754 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5755 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5756 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5757 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5759 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5761 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5763 * config/arm/t-strongarm-elf: Likewise.
5764 * config/arm/t-pe: Likewise.
5765 * config/arm/t-arm-elf: Likewise.
5766 * config/arm/t-xscale-elf: Likewise.
5767 * config/arm/t-arm-coff: Likewise.
5768 * config/arm/t-xscale-coff: Likewise.
5769 * config/arm/t-wince-pe: Likewise.
5771 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5773 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5776 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5779 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5782 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5785 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5786 as a valid 80387 constant.
5787 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5788 * config/i386/i386.md (unnamed splitter): Split the load of
5789 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5792 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5794 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5795 from the soft-frame, argument and virtual registers.
5797 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5799 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5800 patterns for standard 80387 constants.
5802 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5803 Steven Bosscher <steven@gcc.gnu.org>
5805 * fwprop.c: New file.
5806 * Makefile.in: Add fwprop.o.
5807 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5808 * passes.c (init_optimization_passes): Schedule forward propagation.
5809 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5811 * timevar.def (TV_FWPROP): New.
5812 * common.opt (-fforward-propagate): New.
5813 * opts.c (decode_options): Enable forward propagation at -O2.
5814 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5815 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5816 canon_for_address, table_size): Remove.
5817 (new_basic_block, insert, remove_from_table): Remove references to
5819 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5820 simplification loop more straightforward by not calling fold_rtx
5822 (equiv_constant): Move here a small part of fold_rtx_subreg,
5823 do not call fold_rtx. Call avoid_constant_pool_reference
5825 * recog.h (canonicalize_change_group): New.
5827 * doc/invoke.texi (Optimization Options): Document fwprop.
5828 * doc/passes.texi (RTL passes): Document fwprop.
5830 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5832 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5833 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5834 (grokdeclarator): Likewise.
5836 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5838 * tree-dump.c (dump_enable_all): Rename local variable
5839 ir_type to avoid name conflicts.
5840 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5841 instead of using ir_type().
5842 * profile.c (tree_register_profile_hooks): Likewise.
5843 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5844 * basic-block.h (struct edge_def): Likewise.
5845 * config/arm/arm.c (legitimize_pic_address): Likewise.
5846 * coretypes.h (ir_type): New enum of all intermediate languages
5848 * cfghooks.c (ir_type): Rename to...
5849 (current_ir_type): ...this. Distinguish between cfgrtl and
5850 cfglayout mode when the current IR is RTL. Return enum ir_type.
5851 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5853 2006-11-03 Paul Brook <paul@codesourcery.com>
5855 * config/arm/arm.c (arm_file_start): New function.
5856 (TARGET_ASM_FILE_START): Define.
5857 (arm_default_cpu): New variable.
5858 (arm_override_options): Set arm_default_cpu.
5860 2006-11-03 David Ung <davidu@mips.com>
5862 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5863 PROCESSOR_24KC and PROCESSOR_24KF.
5864 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5865 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5866 (mips_rtx_cost_data): Add costs for the 24kc.
5867 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5868 * config/mips/24k.md: Remove references to 24k and replace with
5869 uses of 24kc/24kf in the appropriate reservations.
5870 * doc/invoke.texi (MIPS Options): Updated.
5872 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5874 * config/sh/crt1.asm: Fix #ifdef indent.
5876 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5877 Merged from STMicroelectronics sources:
5878 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5879 * config/sh/crt1.asm (vbr_600): Add missing #if.
5880 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5881 * sh.opt (mfused-madd): New option.
5882 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5883 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5884 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5885 Remove pointless handler at VBR+0.
5886 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5887 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5888 fr7. Make sure the timer handler is called with the correct FPU
5889 precision setting, according to the ABI.
5890 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5891 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5892 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5893 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5894 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5895 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5896 zero as second operand.
5897 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5898 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5899 Fixed some bugs related to negative values, in particular -0
5900 and overflow at -0x80000000.
5901 * config/sh/divcost-analysis: Added sh4-300 figures.
5902 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5903 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5904 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5905 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5906 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5907 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5909 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5911 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5912 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5913 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5914 mac_mem, mem_mac, dfp_mul, fp_cmp.
5915 (insn_class, dfp_comp, any_fp_comp): Update.
5916 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5917 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5918 (muldf3_i): Likewise.
5919 (movsi_i): Split rI08 alternative into two separate alternatives.
5921 (movsi_ie, movsi_i_lowpart): Likewise.
5922 (movqi_i): Split ri alternative into two separate alternatives.
5924 * sh1.md (sh1_load_store, sh1_fp): Update.
5925 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5926 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5927 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5928 (sh4a_fp_double_arith): Likewise.
5929 * sh4-300.md: New file.
5930 * sh.c (sh_handle_option): Handle m4-300* options.
5931 (sh_adjust_cost): Fix latency of auto-increments.
5932 Handle SH4-300 differently than other SH4s. Check for new insn types.
5933 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5934 been set by an option.
5935 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5936 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5937 (mbranch-cost=): Likewise.
5938 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5940 * sh.md (mulsf3): Remove special expansion code.
5941 (mulsf3_ie): Now a define_insn_and_split.
5942 (macsf3): Allow for TARGET_SH4.
5944 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5945 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5946 (expand_cbranchdi4): Likewise.
5947 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5948 CONST_DOUBLE if the outer code is COMPARE.
5949 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5950 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5951 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5952 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5953 Remove redundant fp_{zero,one}_operand checks.
5954 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5955 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5956 (expand_cbranchdi4): Likewise.
5957 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5958 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5960 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5962 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5965 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5967 * doc/invoke.texi: Fix mfp-trap-mode typo.
5969 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5971 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5972 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5973 file_end_indicate_exec_stack.
5974 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5976 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5977 for a non-executable stack.
5978 * crti.asm: Likewise.
5979 * crtn.asm: Likewise.
5980 * libunwind.S: Likewise.
5982 2006-11-02 Ben Elliston <bje@au.ibm.com>
5984 * tree-ssa.c (warn_uninit): Use expand_location variables for
5985 locus and declaration locus.
5987 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5990 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5991 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5992 cmp{eq,gt,gtu}{si,di}_media.
5993 (*cmpne0si_media): Remove.
5994 (*movsicc_umin): Adjust gen_cmp*_media call.
5995 (unordered): Change the mode of unordered and operands[1] to
5997 (seq): Adjust gen_cmp*_media calls. Make the mode of
5998 a temporary result of compare SImode if needed. If the mode
5999 of operands[0] is DImode, extend the temporary result to DImode.
6000 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6001 (sunorderd): Change the mode of match_operand and unorderd to
6003 (cmpeq{sf,df}_media): Remove.
6004 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6005 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6006 and compare operation to SImode.
6008 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6010 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6012 (sparc64-sun-solaris2*): Likewise.
6014 2006-11-02 Paul Brook <paul@codesourcery.com>
6016 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6017 from priority argument. Use different section for non-default
6019 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6021 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6024 * except.c (switch_to_exception_section): Do not cache the section
6025 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6026 and flag_function_sections is set.
6028 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6031 * builtins.c (do_mpfr_sincos): New.
6032 (fold_builtin_1): Use it to fold builtin sincos.
6034 2006-11-01 Roger Sayle <roger@eyesopen.com>
6036 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6037 it into -D_REENTRANT.
6039 2006-11-01 Roger Sayle <roger@eyesopen.com>
6041 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6042 whether the assembler supports taking the difference of symbols in
6043 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6044 * configure: Regenerate.
6045 * config.in: Regenerate.
6046 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6047 the assembler doesn't support taking the difference of symbols in
6048 different sections, i.e. we're using the native solaris assembler.
6050 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6051 Peter Bergner <bergner@vnet.ibm.com>
6053 * doc/invoke.texi: Add cpu_type power6x
6054 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6055 * config.gcc: Add cpu_type power6x.
6056 * configure.ac: Add test for mf{t,f}gpr instructions.
6057 (HAVE_AS_MFPGPR): New.
6058 * config.in: Regenerate.
6059 * configure: Regenerate.
6060 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6061 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6062 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6063 and mftgpr attributes.
6064 (define_attr "cpu"): Add power6.
6065 Change instruction sequences to use new attributes.
6066 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6067 (fix_truncdfsi2_mfpgpr): New.
6068 (floatsidf_ppc64_mfpgpr): New.
6069 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6070 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6071 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6072 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6073 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6074 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6075 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6076 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6077 cntlz,exts and var_delayed_compare.
6078 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6079 _ARCH_PWR6X, if features enabled.
6080 * config/rs6000/rs6000.opt (mmfpgpr): New.
6081 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6082 (cached_can_issue_more): New variable.
6083 (processor_costs): Add power6_cost.
6084 (rs6000_sched_init): New function.
6085 (is_dispatch_slot_restricted): Deleted.
6086 (set_to_load_agen): New function.
6087 (is_load_insn,is_store_insn): New functions.
6088 (adjacent_mem_locations): New function.
6089 (insn_must_be_first_in_group): New function.
6090 (insn_must_be_last_in_group): New function.
6091 (rs6000_sched_reorder): New function.
6092 (rs6000_sched_reorder2): New function.
6093 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6094 TARGET_SCHED_REORDER2): Define.
6095 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6096 Add power6x. Add MASK_MFPGPR for power6x.
6097 (POWERPC_MASKS): Add MASK_MFPGPR.
6098 (rs6000_override_options): Set rs6000_always_hint to false
6099 for power6. Set rs6000_align_branch_targets. Replace
6100 rs6000_sched_groups check with rs6000_align_branch_targets.
6101 Use PROCESSOR_POWER6.
6102 (last_scheduled_insn): New variable.
6103 (load_store_pendulum): New variable.
6104 (rs6000_variable_issue): Set last_scheduled_insn and
6105 cached_can_issue_more.
6106 (rs6000_adjust_cost): Add power6 cost adjustments.
6107 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6108 with insn_must_be_first_in_group. Add power6 priority adjustments.
6109 (rs6000_issue_rate): Add CPU_POWER6.
6110 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6111 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6112 (TARGET_MFPGPR): New.
6113 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6114 (ASM_CPU_SPEC): Add power6x.
6115 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6117 * config/rs6000/power6.md: New file.
6119 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6121 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6122 HOST_WIDE_INT_PRINT to print high and low parts. Use
6123 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6124 printing a hexadecimal number prefix it with 0x.
6126 2006-11-01 Chris Johns <chris@contemporary.net.au>
6129 * Makefile.in (install-driver): Use exeext when installing
6130 $target-gcc-$version.
6132 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6134 * c-common.c (flag_cpp0x): New.
6135 * c-common.h (flag_cpp0x): New.
6136 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6137 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6138 * c-opts.c (set_std_cxx0x): New.
6139 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6140 * c.opt (std=c++0x): Document.
6141 (std=gnu++0x): Ditto.
6142 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6143 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6145 2006-11-01 Richard Guenther <rguenther@suse.de>
6147 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6149 (ix86_expand_floorceildf_32): Likewise.
6150 (ix86_expand_floorceil): Likewise.
6151 (ix86_expand_trunc): Likewise.
6153 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6155 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6158 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6160 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6162 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6164 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6166 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6167 * configure.ac (use_cxa_atexit): As a special case, don't test
6168 for libc definition of __cxa_atexit on mingw32
6169 * configure: Regenerate.
6170 * config.gcc (i[34567]86-pc-mingw32): Default to
6171 enable__cxa_atexit=yes.
6173 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6175 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6177 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6180 * c-decl.c (start_struct): Don't create self-containing
6182 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6184 * config/rs6000/rs6000-protos.h
6185 (darwin_rs6000_special_round_type_align): New.
6186 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6187 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6189 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6191 * toplev.c (compile_file): Call final_write_globals
6192 even if there have been errors.
6194 2006-10-31 Eric Christopher <echristo@apple.com>
6195 Falk Hueffner <falk@debian.org>
6197 * doc/extend.texi (__builtin_bswap32): Document.
6198 (__builtin_bswap64): Ditto.
6199 * doc/libgcc.texi (bswapsi2): Document.
6201 * doc/rtl.texi (bswap): Document.
6202 * optabs.c (expand_unop): Don't widen a bswap.
6203 (init_optabs): Init bswap. Set libfuncs explicitly
6204 for bswapsi2 and bswapdi2.
6205 * optabs.h (OTI_bswap): New.
6206 (bswap_optab): Ditto.
6207 * genopinit.c (optabs): Handle bswap_optab.
6208 * tree.h (tree_index): Add TI_UINT32_TYPE and
6210 (uint32_type_node): New.
6211 (uint64_type_node): Ditto.
6212 * tree.c (build_common_tree_nodes_2): Initialize
6213 uint32_type_node and uint64_type_node.
6214 * builtins.c (expand_builtin_bswap): New.
6215 (expand_builtin): Call.
6216 (fold_builtin_bswap): New.
6217 (fold_builtin_1): Call.
6218 * fold-const.c (tree_expr_nonnegative_p): Return true
6220 * builtin-types.def (BT_UINT32): New.
6222 (BT_FN_UINT32_UINT32): Ditto.
6223 (BT_FN_UINT64_UINT64): Ditto.
6224 * builtins.def (BUILT_IN_BSWAP32): New.
6225 (BUILT_IN_BSWAP64): Ditto.
6226 * rtl.def (BSWAP): New.
6227 * genattrtab.c (check_attr_value): New.
6228 * libgcc2.c (__bswapSI2): New.
6229 (__bswapDI2): Ditto.
6230 * libgcc2.h (__bswapSI2): Declare.
6231 (__bswapDI2): Ditto.
6232 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6233 * simplify-rtx.c (simplify_const_unary_operation): Return
6235 * libgcc-std.ver (__bwapsi2): Add.
6236 (__bswapdi2): Ditto.
6237 * reload1.c (eliminate_regs_1): Add bswap.
6238 (elimination_effects): Ditto.
6239 * config/i386/i386.h (x86_bswap): New.
6240 (TARGET_BSWAP): Use.
6241 * config/i386/i386.c (x86_bswap): Set.
6243 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6245 * coverage.c (coverage_checksum_string): Update comment.
6246 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6247 of get_file_function_name.
6248 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6249 of get_file_function_name_long.
6250 * tree.c (get_file_function_name): Rename from
6251 get_file_function_name_long; improve comment; handle 'I' and 'D'
6252 specially when the target has ctor/dtor support; remove special
6254 (get_file_function_name): Remove.
6255 * tree.h (get_file_function_name): Rename from
6256 get_file_function_name_long.
6257 (get_file_function_name): Remove prototype.
6259 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6261 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6262 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6264 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6265 Call dsymutil when compiling and linking one or more source files
6268 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6271 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6273 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6275 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6276 inline static functions in c99 mode.
6279 * doc/extend.texi (Inline): Update.
6280 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6281 * c-decl.c (current_extern_inline): Delete.
6282 (pop_scope): Adjust test for an undefined nested function.
6283 Add warning about undeclared inline function.
6284 (diagnose_mismatched_decls): Update comments. Disallow overriding
6285 of inline functions in a translation unit in C99. Allow inline
6286 declarations in C99 at any time.
6287 (merge_decls): Boolize variables. Handle C99 'extern inline'
6289 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6290 C99 inline semantics.
6291 (start_function): Don't clear current_extern_inline. Don't set
6293 (c_push_function_context): Don't push current_extern_inline.
6294 (c_pop_function_context): Don't restore current_extern_inline.
6297 * c-typeck.c (build_external_ref): Warn about static variables
6298 used in extern inline functions.
6299 * c-decl.c (start_decl): Warn about static variables declared
6300 in extern inline functions.
6302 2006-10-31 Roger Sayle <roger@eyesopen.com>
6305 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6306 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6307 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6308 or y is an even integer.
6310 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6313 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6314 * gthr-posix95.h (__gthread_active_p): Likewise.
6316 2006-10-31 Richard Guenther <rguenther@suse.de>
6318 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6319 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6320 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6321 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6322 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6323 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6324 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6325 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6328 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6330 * opts.c (decode_options): Disable CSE skip blocks.
6332 2006-10-30 Dirk Mueller <dmueller@suse.de>
6334 * c-common.h (strict_aliasing_warning): Fix whitespace.
6335 * c-decl (start_function): Move code for main decl warning ..
6336 * c-common.c (check_main_parameter_types): .. here.
6337 * c-common.h (check_main_parameter_types): Declare.
6339 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6342 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6344 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6346 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6347 be a PARALLEL containing sets. Return false when out_pat is not
6350 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6352 * config/mips/mips.md (mul<mode>3): Split into...
6353 (mulsi3, muldi3): ...these separate patterns.
6355 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6357 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6358 but with each set of options separated by spaces.
6360 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6362 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6363 dwarf_reg_size_table has been initialized.
6365 2006-10-30 Roger Sayle <roger@eyesopen.com>
6367 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6368 * ddg.c (print_ddg_edge): Likewise.
6369 * dwarf2out.c (prune_unused_types_walk): Likewise.
6370 * ifcvt.c (noce_try_cmove_arith): Likewise.
6371 * langhooks.c (add_builtin_function): Likewise.
6372 * reg-stack.c (subst_stack_regs_pat): Likewise.
6373 * tree.c (expanded_location): Likewise.
6374 * tree-dump.c (dequeue_and_dump): Likewise.
6376 2006-10-30 David Daney <ddaney@avtrex.com>
6378 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6380 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6382 PR tree-optimization/29637
6383 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6384 of the innertype is the innertype itself.
6386 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6388 * dwarf2out.c (file_name_acquire): Correct typo.
6390 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6392 * tree.h (tree_value_handle): Remove struct value_set declaration.
6393 Change value_set to bitmap_set.
6394 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6395 * tree-vn.c (get_value_handle): Made inline and moved to
6397 * tree-flow-inline.h: (has_stmt_ann): New function.
6398 * tree-ssa-pre.c (expressions): New variable.
6399 (next_expression_id): Ditto.
6400 (alloc_expression_id): New function.
6401 (struct value_set): Remove.
6402 (get_expression_id): New function.
6403 (get_or_alloc_expression_id): Ditto.
6404 (expression_for_id): Ditto.
6405 (clear_expression_ids): Ditto.
6406 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6407 (bb_value_sets): Renamed to bb_bitmap_sets.
6408 All value sets replaced with bitmap_sets.
6410 (BB_VISITED): New macro.
6411 (postorder): New variable.
6412 (add_to_value): Removed.
6413 (value_exists_in_set_bitmap): Ditto.
6414 (value_insert_into_set_bitmap): Ditto.
6417 (set_remove): Ditto.
6418 (set_contains_value): Ditto.
6419 (insert_into_set): Ditto.
6421 (find_leader): Ditto.
6422 (bitmap_set_subtract_from_value_set): Ditto.
6423 (value_insert_into_set): Ditto.
6424 (print_value_set): Ditto.
6425 (debug_value_set): Ditto.
6426 (constant_expr_p): New function.
6427 (bitmap_remove_from_set): Ditto.
6428 (bitmap_insert_into_set): Ditto.
6429 (bitmap_set_free): Ditto.
6430 (vh_compare): Ditto.
6431 (sorted_array_from_bitmap_set): Ditto.
6432 (bitmap_set_subtract): Ditto.
6433 (bitmap_set_equal): Ditto.
6434 (debug_bitmap_set): Ditto.
6435 (find_leader_in_sets): Ditto.
6436 (bitmap_set_replace_value): Modify for bitmapped sets.
6437 (phi_translate): Ditto.
6438 (phi_translate_set): Ditto.
6439 (bitmap_find_leader): Ditto.
6440 (valid_in_sets): Ditto.
6441 (union_contains_value): Ditto.
6443 (compute_antic_aux): Ditto. Mark changed blocks.
6444 (compute_antic): Ditto. Iterate in postorder and only over
6446 (compute_rvuse_and_antic_safe): Reuse postorder.
6447 (create_component_ref_by_pieces): Modify for bitmapped sets.
6448 (find_or_generate_expression): Ditto.
6449 (create_expression_by_pieces): Ditto.
6450 (insert_into_preds_of_block): Ditto.
6451 (changed_blocks): New variable.
6452 (do_regular_insertion): Broken out from insert_aux.
6453 (insert_aux): Modified for bitmapped sets.
6454 (find_existing_value_expr): New function.
6455 (create_value_expr_from): Use it.
6456 (insert_extra_phis): Removed.
6457 (print_bitmap_set): Renamed from bitmap_print_value_set.
6458 (compute_avail): Handle RETURN_EXPR.
6459 (init_pre): Modify for bitmapped sets.
6460 * tree-flow.h (has_stmt_ann): New function.
6462 2006-10-29 Roger Sayle <roger@eyesopen.com>
6464 * builtins.c (fold_builtin_floor): Check for the availability of
6465 the C99 trunc function before transforming floor into trunc.
6467 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6469 * builtins.c (fold_builtin_hypot): Rearrange recursive
6470 transformation before others, and also do ABS_EXPR. When
6471 necessary, check flag_unsafe_math_optimizations. When necessary,
6474 2006-10-29 Roger Sayle <roger@eyesopen.com>
6476 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6477 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6478 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6479 Fold -X eq/ne -Y as X eq/ne Y.
6481 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6483 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6484 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6485 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6486 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6487 Use an inclusive test for "mult" rather than "mul".
6488 (rotr<mode>3): Depend on ISA_HAS_ROR.
6489 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6491 (GENERATE_MULT3_DI): Delete.
6492 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6493 (ISA_HAS_MUL3): New macro.
6494 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6495 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6496 (ISA_HAS_CLZ_CLO): Likewise.
6497 (ISA_HAS_DCLZ_DCLO): Delete.
6498 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6499 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6500 the VR4120 and VR4130.
6501 (ISA_HAS_MACCHI): Use consistent formatting.
6502 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6503 (ISA_HAS_ROR): ...this new macro.
6504 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6505 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6506 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6508 2006-10-29 Roger Sayle <roger@eyesopen.com>
6510 PR tree-optimization/15458
6511 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6514 2006-10-29 Richard Guenther <rguenther@suse.de>
6516 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6517 (ix86_expand_truncdf_32): Likewise.
6518 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6519 trunc inline for SSE math and -fno-trapping-math and if not
6520 optimizing for size.
6521 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6522 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6523 for expanding btrunc inline for SSE math.
6525 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6527 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6528 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6529 i[34567]86-*-solaris2.1[0-9]*.
6530 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6531 Define conditionally depending on TARGET_64BIT_DEFAULT.
6532 (SPEC_32, SPEC_64): Define.
6533 (LINK_SPEC): Use them.
6534 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6536 2006-10-29 Richard Guenther <rguenther@suse.de>
6538 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6539 (ix86_expand_rounddf_32): Likewise.
6540 * config/i386/i386.c (ix86_expand_round): New function expanding
6541 round inline for SSE math and -fno-trapping-math and if not
6542 optimizing for size.
6543 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6544 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6545 round via ix86_expand_round.
6547 2006-10-29 Richard Guenther <rguenther@suse.de>
6549 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6550 (ix86_expand_floorceildf_32): Likewise.
6551 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6552 static helper function.
6553 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6555 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6556 * config/i386/i386.md (floordf2): Adjust to enable floor
6557 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6558 -fno-trapping-math is enabled and if not optimizing for size.
6559 (floorsf2, ceildf2, ceilsf2): Likewise.
6560 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6561 (sse2_maskcmpdf3): Likewise.
6563 2006-10-29 Richard Guenther <rguenther@suse.de>
6565 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6566 rint in case -fno-trapping-math is enabled.
6567 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6568 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6569 (ix86_expand_sse_fabs): Likewise.
6570 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6571 * config/i386/i386.md (rintdf2): Enable for SSE math if
6572 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6573 (rintsf2): Likewise.
6575 2006-10-29 Richard Guenther <rguenther@suse.de>
6577 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6578 to conversion optabs.
6579 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6580 as conversion optab.
6581 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6582 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6583 (lfloor_optab, lceil_optab): Adjust defines.
6584 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6585 lfloor and lceil optabs now being conversion optabs.
6586 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6587 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6588 New static helper function.
6589 (ix86_expand_lfloorceil): New function to expand lfloor and
6591 * config/i386/i386.md (lfloor<mode>2): Split into ...
6592 (lfloorxf<mode>2): ... x87 variant
6593 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6594 using ix86_expand_lfloorceil.
6595 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6597 * doc/md.texi (lfloorMN, lceilMN): Document.
6599 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6601 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6602 -mno-shared assembler option on mips targets.
6603 * configure, config.in: Regenerate.
6604 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6605 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6606 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6608 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6610 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6611 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6613 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6615 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6616 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6619 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6622 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6623 (fold_builtin_pow): Evaluate constant arguments at compile-time
6625 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6626 (do_mpfr_ckconv): New helper function.
6627 (do_mpfr_arg1): Use do_mpfr_ckconv.
6628 (do_mpfr_arg2): New.
6630 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6633 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6634 (-fdump-rtl-sched): Rename to ..
6635 (-fdump-rtl-sched1): here. Also fix file extension number.
6637 2006-10-28 Richard Guenther <rguenther@suse.de>
6639 * fold-const.c (maybe_canonicalize_comparison): Fix code
6642 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6644 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6645 (NON_QI_REG_P): Use IN_RANGE.
6646 (REX_INT_REGNO_P): Use IN_RANGE.
6647 (FP_REGNO_P): Use IN_RANGE.
6648 (SSE_REGNO_P): Use IN_RANGE.
6649 (REX_SSE_REGNO_P): Use IN_RANGE.
6650 (MMX_REGNO_P): Use IN_RANGE.
6651 (STACK_REGNO_P): New macro.
6652 (STACK_REG_P): Use STACK_REGNO_P.
6653 (NON_STACK_REG_P): Use STACK_REGNO_P.
6654 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6655 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6656 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6657 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6658 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6660 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6662 * except.h (output_function_exception_table): Add 'const char*' param.
6663 * except.c (switch_to_exception_section): Add 'const char*' param.
6664 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6665 and flag_function_sections is set, use a function-specific section.
6666 (output_function_exception_table): Add 'const char*' param.
6667 Adjust call to switch_to_exception_section.
6668 * final.c (rest_of_handle_final): Adjust calls to
6669 output_function_exception_table.
6670 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6671 * config.in: Regenerate.
6672 * configure: Likewise.
6674 2006-10-28 Richard Guenther <rguenther@suse.de>
6677 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6678 for maybe_canonicalize_comparison.
6679 (maybe_canonicalize_comparison): New function for canonicalizing
6681 (fold_comparison): Call it to canonicalize comparisons with
6684 2006-10-28 Richard Guenther <rguenther@suse.de>
6687 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6688 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6689 (expand_builtin): Adjust likewise.
6690 * genopinit.c (optabs[]): Add lround optab.
6691 * optabs.c (init_optabs): Initialize lround_optab.
6692 * optabs.h (enum convert_optab_index): Add COI_lround.
6693 (lround_optab): Define.
6694 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6695 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6697 (ix86_expand_lround): New function.
6698 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6700 * doc/md.texi (lroundMN2): Document.
6702 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6705 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6706 argument to HOST_WIDE_INT. Update function prototype.
6707 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6708 "size" argument to HOST_WIDE_INT. Update function prototype.
6710 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6712 * config/i386/i386.c (output_387_ffreep): Create output from a
6713 template string for !HAVE_AS_IX86_FFREEP.
6715 2006-10-27 Eric Christopher <echristo@apple.com>
6717 * config/darwin.c: Fix formatting and grammar.
6719 2006-10-27 Jan Hubicka <jh@suse.cz>
6721 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6722 to be thrown away soon when IGNORE is set.
6723 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6724 indicating when return value shall not be computed.
6725 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6727 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6729 * config/i386/i386.h (TARGET_GEODE):
6730 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6731 (TARGET_CPU_DEFAULT_geode): New macro.
6732 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6733 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6734 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6735 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6736 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6738 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6739 (processor_type): Add PROCESSOR_GEODE.
6741 * config/i386/i386.md: Include geode.md.
6744 * config/i386/i386.c (geode_cost): New initialized global
6746 (m_GEODE, m_K6_GEODE): New macros.
6747 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6748 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6749 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6750 x86_schedule): Use m_K6_GEODE instead of m_K6.
6751 (x86_movx, x86_cmove): Set up m_GEODE.
6752 (x86_integer_DFmode_moves): Clear m_GEODE.
6753 (processor_target_table): Add entry for geode.
6754 (processor_alias_table): Ditto.
6756 * config/i386/geode.md: New file.
6758 * doc/invoke.texi: Add entry about geode processor.
6760 2006-10-27 Mike Stump <mrs@apple.com>
6762 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6763 __DYNAMIC__ from here back to ...
6764 * config/darwin.h (CPP_SPEC): ... here.
6766 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6767 Nathan Sidwell <nathan@codesourcery.com>
6769 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6770 when choosing the minimum heapsize.
6772 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6774 * gcc/unwind-dw2.h: Move cfa-related variables into
6775 struct frame_state_reg_info to ensure that the CFA is properly
6776 handled when executing DW_CFA_{remember,restore}_state.
6777 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6778 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6779 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6780 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6781 gcc/config/rs6000/linux-unwind.h,
6782 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6783 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6784 Modify to use new cfa_* fields.
6786 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6788 * config/s390/s390.c (s390_init_frame_layout): Check positive
6791 2006-10-26 Ben Elliston <bje@au.ibm.com>
6793 * gimplify.c (get_name): Remove extraneous break.
6794 (gimplify_omp_for): Initialise ret with GS_OK.
6796 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6798 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6799 Add unix98.o to link line.
6801 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6804 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6805 Calculate compile-time constants using MPFR.
6806 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6807 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6809 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6811 * config/xtensa/lib2funcs.S: Use C-style comments.
6813 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6815 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6816 (file_table_relative_p): Likewise.
6817 (dwarf2out_finish): Likewise.
6818 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6820 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6822 * tree-ssa-structalias.c (intra_create_variable_infos):
6823 Don't recreate nonlocal_all if it already exists.
6825 2006-10-25 Richard Guenther <rguenther@suse.de>
6828 * optabs.h (enum optab_index): Remove OTI_lrint.
6829 (enum convert_optab_index): Add COI_lrint.
6830 (lrint_optab): Adjust.
6831 (expand_sfix_optab): Declare.
6832 * optabs.c (expand_sfix_optab): New function.
6833 (init_optabs): Init lrint_optab as conversion optab.
6834 * genopinit.c (lrint_optab): Change to a conversion optab.
6835 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6836 expansion via conversion optab.
6837 * config/i386/i386.md (*fistdi2_1): Remove
6838 flag_unsafe_math_optimizations guard.
6839 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6840 fist<mode>2_with_temp): Likewise.
6841 (lrint<mode>2): Split into...
6842 (lrintxf<mode>2): ... x87 part
6843 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6844 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6845 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6846 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6847 * doc/md.texi (lrintMN2): Document.
6849 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6852 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6853 Use inc and dec instructions for TARGET_USE_INCDEC.
6854 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6855 ("sync_double_compare_and_swap<mode>"): Likewise.
6856 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6857 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6858 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6859 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6860 ("sync_old_add<mode>"): Likewise.
6861 ("sync_lock_test_and_set<mode>"): Likewise.
6862 ("sync_lock_test_and_set<mode>"): Likewise.
6863 ("sync_add<mode>"): Likewise.
6864 ("sync_sub<mode>"): Likewise.
6865 ("sync_ior<mode>"): Likewise.
6866 ("sync_and<mode>"): Likewise.
6867 ("sync_xor<mode>"): Likewise.
6869 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6871 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6872 (remainder_optab): Define corresponding macro.
6873 (drem_optab): Remove.
6874 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6875 drem_optab initialization.
6876 * genopinit.c (optabs): Implement remainder_optab using
6877 remainder?f3 patterns. Remove drem_optab.
6878 * builtins.c (expand_builtin_mathfn_2): Handle
6879 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6880 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6881 expand_builtin_mathfn_2.
6883 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6884 depend on flag_unsafe_math_optimizations.
6886 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6887 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6888 Do not depend on flag_unsafe_math_optimizations. Use
6889 truncxf?f expander instead of truncxf?f_i387_noop.
6891 ("fpremxf4", "fprem1xf4"): Do not depend on
6892 flag_unsafe_math_optimizations.
6893 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6894 flag_unsafe_math_optimizations. Use truncxf?f expander
6895 instead of truncxf?f_i387_noop.
6897 * doc/md.texi (fmod, remainder): Document standard named pattern.
6899 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6900 David Daney <ddaney@avtrex.com>
6903 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6905 2006-10-25 Ben Elliston <bje@au.ibm.com>
6907 * doc/extend.texi (Variable Attributes): Typo fix.
6909 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6911 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6912 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6913 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6914 (FRAME_POINTER_REGNUM): Update register number to 21.
6915 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6916 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6918 * config/i386/i386.c (regclass_map): Add fpcr entry.
6919 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6921 (print_reg): Assert REGNO (x) != FPCR_REG.
6923 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6924 (DIRFLAG_REG): Renumber.
6925 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6926 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6927 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6928 hardcoded SSE register numbers.
6930 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6931 hardcoded MMX register numbers.
6933 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6936 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6937 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6939 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6940 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6941 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6942 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6944 2006-10-24 Richard Guenther <rguenther@suse.de>
6947 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6948 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6949 for deciding optimizations in consistency with fold-const.c
6950 (fold_builtin_unordered_cmp): Likewise.
6952 2006-10-24 Richard Guenther <rguenther@suse.de>
6954 * builtins.c (fold_builtin_floor): Fold floor (x) where
6955 x is nonnegative to trunc (x).
6956 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6957 nonnegative to FIX_TRUNC_EXPR.
6959 2006-10-24 Richard Guenther <rguenther@suse.de>
6961 PR tree-optimization/29567
6962 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6963 for TRUTH_NOT_EXPR. Clarify comments.
6965 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6968 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6969 at compile-time using MPFR. Change parameter VALUE to FUNC,
6971 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6972 for overflow and underflow at all times and avoid folding in
6975 2006-10-24 Ben Elliston <bje@au.ibm.com>
6977 * reload1.c: Formatting fixes.
6979 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6981 PR tree-optimization/14784
6982 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6983 * tree-ssa-structalias.c (get_constraint_for,
6984 intra_create_variable_infos): Set is_heapvar.
6985 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6986 non-heapvar pointer variables specially.
6988 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6991 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6992 fold_builtin_tan): Fold all constant arguments. Take a "type"
6993 argument as necessary.
6994 (do_mpfr_arg1): New.
6995 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6997 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6999 * config/xtensa/lib1funcs.asm: Use C-style comments.
7001 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7003 * tree.c (local_define_builtin): Replace calls to
7004 lang_hooks.builtin_function with add_builtin_function.
7005 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7007 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7009 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7010 common code to add_builtin_function.
7011 * langhooks.c (add_builtin_function): New function.
7012 (lhd_builtin_function): New function.
7013 * langhooks.h (struct lang_hooks): Change the signature of
7015 (add_builtin_function): New function.
7016 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7017 calls to lang_hooks.builtin_function with add_builtin_function.
7018 * c-common.c (decl_builtin_1): Replace calls to
7019 lang_hooks.builtin_function with add_builtin_function.
7020 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7021 lang_hooks.builtin_function with add_builtin_function.
7022 * config/frv/frv.c (def_builtin): Replace calls to
7023 lang_hooks.builtin_function with add_builtin_function.
7024 * config/s390/s390.c (s390_init_builtins): Replace calls to
7025 lang_hooks.builtin_function with add_builtin_function.
7026 * config/sparc/sparc.c (def_builtin): Replace calls to
7027 lang_hooks.builtin_function with add_builtin_function.
7028 * config/i386/i386.c (def_builtin): Replace calls to
7029 lang_hooks.builtin_function with add_builtin_function.
7030 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7031 lang_hooks.builtin_function with add_builtin_function.
7032 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7033 lang_hooks.builtin_function with add_builtin_function.
7034 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7035 Replace calls to lang_hooks.builtin_function with
7036 add_builtin_function.
7037 * config/iq2000/iq2000.c (def_builtin):
7038 Replace calls to lang_hooks.builtin_function with
7039 add_builtin_function.
7040 * config/ia64/ia64.c (def_builtin): Replace calls to
7041 lang_hooks.builtin_function with add_builtin_function.
7042 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7043 lang_hooks.builtin_function with add_builtin_function.
7044 (altivec_init_builtins): Replace calls to
7045 lang_hooks.builtin_function with add_builtin_function.
7046 * config/arm/arm.c (def_mbuiltin): Replace calls to
7047 lang_hooks.builtin_function with add_builtin_function.
7048 (arm_init_tls_builtins): Replace calls to
7049 lang_hooks.builtin_function with add_builtin_function.
7050 * config/mips/mips.c (mips_init_builtins): Replace calls to
7051 lang_hooks.builtin_function with add_builtin_function.
7052 * config/bfin/bfin.c (def_builtin): Replace calls to
7053 lang_hooks.builtin_function with add_builtin_function.
7054 * langhooks-def.h (lhd_builtin_function): New function.
7055 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7057 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7059 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7060 BUILT_IN_STRNCAT_CHK.
7062 2006-10-23 Jan Hubicka <jh@suse.cz>
7064 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7065 don't do conversion from memmove to memcpy here.
7066 (expand_builtin_bcopy, expand_builtin): Update call of
7067 expand_builtin_memmove.
7068 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7070 2006-10-23 Paul Brook <paul@codesourcery.com>
7072 * stor-layout.c (start_record_layout): maximum_field_alignment
7073 overrides STRUCTURE_SIZE_BOUNDARY.
7075 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7077 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7078 nonlocal function symbols if flag_pic.
7080 2006-10-23 Richard Guenther <rguenther@suse.de>
7084 * builtins.c (fold_binary): Remove checks for flag_wrapv
7085 and flag_trapv where negate_expr_p covers these cases.
7087 2006-10-23 Richard Guenther <rguenther@suse.de>
7090 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7091 of two on the absolute value.
7092 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7093 and negating -C does not overflow.
7095 2006-10-23 Richard Guenther <rguenther@suse.de>
7098 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7099 only if not flag_rounding_math.
7101 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7102 Kaz Kojima <kkojima@gcc.gnu.org>
7105 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7106 SImode memory reference for the source of a movua.
7107 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7108 (movua): Use an unspec instead of sign_extract. Expect the source
7109 to have mode BLKmode.
7110 (extv, insv): Use a BLKmode rather than SImode memory reference
7111 for the source of a movua.
7113 2006-10-22 Jeff Law <law@redhat.com>
7114 Richard Guenther <rguenther@suse.de>
7116 PR tree-optimization/15911
7117 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7118 (register_edge_assert_for_1): Likewise.
7119 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7120 (find_conditional_asserts): Adjust for new function signature.
7121 (find_assert_locations): Likewise.
7123 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7125 * config/i386/tmmintrin.h: Remove the duplicated content.
7127 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7129 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7130 (x86_64-*-*): Likewise.
7132 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7133 (override_options): Check SSSE3.
7134 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7135 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7136 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7137 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7138 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7139 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7140 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7141 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7142 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7143 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7144 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7145 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7146 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7147 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7148 IX86_BUILTIN_PABSD128.
7149 (bdesc_2arg): Add SSSE3.
7150 (bdesc_1arg): Likewise.
7151 (ix86_init_mmx_sse_builtins): Support SSSE3.
7152 (ix86_expand_builtin): Likewise.
7153 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7155 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7156 (UNSPEC_PSIGN): Likewise.
7157 (UNSPEC_PALIGNR): Likewise.
7158 Include mmx.md before sse.md.
7160 * config/i386/i386.opt: Add -mssse3.
7162 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7163 (ssse3_phaddwv4hi3): Likewise.
7164 (ssse3_phadddv4si3): Likewise.
7165 (ssse3_phadddv2si3): Likewise.
7166 (ssse3_phaddswv8hi3): Likewise.
7167 (ssse3_phaddswv4hi3): Likewise.
7168 (ssse3_phsubwv8hi3): Likewise.
7169 (ssse3_phsubwv4hi3): Likewise.
7170 (ssse3_phsubdv4si3): Likewise.
7171 (ssse3_phsubdv2si3): Likewise.
7172 (ssse3_phsubswv8hi3): Likewise.
7173 (ssse3_phsubswv4hi3): Likewise.
7174 (ssse3_pmaddubswv8hi3): Likewise.
7175 (ssse3_pmaddubswv4hi3): Likewise.
7176 (ssse3_pmulhrswv8hi3): Likewise.
7177 (ssse3_pmulhrswv4hi3): Likewise.
7178 (ssse3_pshufbv16qi3): Likewise.
7179 (ssse3_pshufbv8qi3): Likewise.
7180 (ssse3_psign<mode>3): Likewise.
7181 (ssse3_psign<mode>3): Likewise.
7182 (ssse3_palignrti): Likewise.
7183 (ssse3_palignrdi): Likewise.
7184 (abs<mode>2): Likewise.
7185 (abs<mode>2): Likewise.
7187 * config/i386/tmmintrin.h: New file.
7189 * doc/extend.texi: Document SSSE3 built-in functions.
7191 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7193 2006-10-22 Ira Rosen <irar@il.ibm.com>
7195 * tree-vect-transform.c (vectorizable_load): Use the type of the
7196 return value of the mask_for_load builtin to create realign_load
7199 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7201 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7204 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7206 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7207 (UNSPEC_LDDQU): This.
7208 * config/i386/sse.md (sse3_lddqu): Updated.
7210 2006-10-21 Richard Guenther <rguenther@suse.de>
7212 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7213 (expand_builtin): Use it to expand lrint instead of
7214 expand_builtin_mathfn.
7216 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7219 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7220 flag_unsafe_math_optimizations is set.
7222 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7225 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7226 patterns to use memory input operand in x87->mem->XMM
7227 reload sequences. Skip transformation for TARGET_K8.
7229 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7231 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7232 force operand1 to register if both operands are memory operands.
7233 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7234 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7235 if both operands are memory operands.
7236 (truncdfsf2): Do not force operand1 to register if both operands
7237 are memory operands.
7239 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7241 * Makefile.in (LIBS): Add $(GMPLIBS).
7242 * doc/install.texi: Update GMP and MPFR requirements.
7243 * doc/sourcebuild.texi (need_gmp): Delete.
7245 2006-10-21 Richard Guenther <rguenther@suse.de>
7247 PR tree-optimization/3511
7248 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7249 got new invariant arguments during PHI translation.
7251 2006-10-21 Richard Guenther <rguenther@suse.de>
7254 * fold-const.c (fold_comparison): Fold signed comparisons
7255 of the form X +- C1 CMP Y +- C2.
7257 2006-10-21 Richard Guenther <rguenther@suse.de>
7260 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7261 if flag_unsafe_math_optimizations is specified. We have
7262 flag_finite_math_only for that.
7263 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7264 or flag_unsafe_math_optimizations.
7266 2006-10-21 Richard Guenther <rguenther@suse.de>
7268 * builtins.c (fold_builtin_classify): Fix typo.
7270 2006-10-21 Richard Guenther <rguenther@suse.de>
7273 * simplify-rtx.c (simplify_const_relational_operation):
7274 Do not constant-fold ORDERED and UNORDERED for
7275 flag_unsafe_math_optimizations but only we do not need to
7276 honor NaNs for the given mode.
7278 2006-10-21 Richard Guenther <rguenther@suse.de>
7281 * config/i386/i386.c (classify_argument): Remove redundant
7282 walking of the BINFOs.
7283 (contains_128bit_aligned_vector_p): Likewise.
7285 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7287 * BASE-VER: Set to 4.3.0.
7289 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7291 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7292 (tree_decl_with_vis): Remove artificial_pta_var flag.
7293 * tree-flow.h (referenced_var_check_and_insert): Expose.
7294 (nonlocal_all): New prototype.
7295 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7296 (nonlocal_all): Make global.
7297 (nonlocal_lookup): Remove.
7298 (nonlocal_insert): Ditto.
7299 (create_nonlocal_var): Do not call nonlocal_insert.
7300 (get_nonlocal_id_for_type): Remove.
7301 (find_global_initializers): Mark new vars we find for renaming.
7302 (intra_create_variable_infos): Only create one nonlocal.
7303 (expand_nonlocal_solutions): Remove.
7304 (compute_points_to_sets): Don't call it.
7305 (ipa_pta_execute): Ditto.
7306 (init_alias_heapvars): Don't create nonlocal_for_type.
7307 (delete_alias_heapvars): Don't remove it.
7308 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7311 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7313 * doc/install.texi (Downloading GCC): Clarify mention of
7314 Fortran in the "full distribution" description.
7316 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7318 Fix PR tree-optimization/28778
7319 Fix PR tree-optimization/29156
7320 Fix PR tree-optimization/29415
7321 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7322 (tree_decl_with_vis): Add artificial_pta_var flag.
7323 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7324 pushed into callers.
7325 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7326 (nonlocal_all): Ditto.
7327 (struct variable_info): Add directly_dereferenced member.
7328 (var_escaped_vars): New variable.
7329 (escaped_vars_tree): Ditto.
7330 (escaped_vars_id): Ditto.
7331 (nonlocal_vars_id): Ditto.
7332 (new_var_info): Set directly_dereferenced.
7333 (graph_size): New variable
7334 (build_constraint_graph): Use graph_size.
7335 (solve_graph): Don't process constraints that cannot change the
7336 solution, don't try to propagate an empty solution to our
7338 (process_constraint): Set directly_dereferenced.
7339 (could_have_pointers): New function.
7340 (get_constraint_for_component_ref): Don't process STRING_CST.
7341 (nonlocal_lookup): New function.
7342 (nonlocal_insert): Ditto.
7343 (create_nonlocal_var): Ditto.
7344 (get_nonlocal_id_for_type): Ditto.
7345 (get_constraint_for): Allow results vector to be empty in the case
7346 of string constants.
7347 Handle results of calls properly.
7348 (update_alias_info): Update alias info stats on number and type of
7350 (find_func_aliases): Use could_have_pointers.
7351 (make_constraint_from_escaped): Renamed from
7352 make_constraint_to_anything, and changed to make constraints from
7354 (make_constraint_to_escaped): New function.
7355 (find_global_initializers): Ditto.
7356 (create_variable_info_for): Make constraint from escaped to any
7357 global variable, and from any global variable to the set of
7359 (intra_create_variable_infos): Deal with escaped instead of
7360 pointing to anything.
7361 (set_uids_in_ptset): Do type pruning on directly dereferenced
7363 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7364 (init_base_vars): Fix comment, and initialize escaped_vars.
7365 (need_to_solve): Removed.
7366 (find_escape_constraints): New function.
7367 (expand_nonlocal_solutions): Ditto.
7368 (compute_points_to_sets): Call find_escape_constraints and
7369 expand_nonlocal_solutions.
7370 (delete_points_to_sets): Don't fall off the end of the graph.
7371 (init_alias_heapvars): Initialize nonlocal_for_type and
7373 (delete_alias_heapvars): Free nonlocal_for_type and null out
7376 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7378 * fold-const.c (add_double): Rename to add_double_with_sign.
7379 Add 'unsigned_p' parameter and take it into account for the overflow.
7380 (mul_double): Rename to mul_double_with_sign.
7381 Add 'unsigned_p' parameter and take it into account for the overflow.
7382 (fold_div_compare): Call add_double_with_sign instead of add_double
7383 and mul_double_with_sign instead of mul_double, passing them the
7384 unsignedness of the type.
7385 * tree.h (add_double): Macroize.
7386 (add_double_with_sign): New prototype.
7387 (mul_double): Macroize.
7388 (mul_double_with_sign): New prototype.
7390 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7392 * config/score/crti.asm: New file.
7393 * config/score/crtn.asm: New file.
7394 * config/score/elf.h: New file.
7395 * config/score/mac.md: New file.
7396 * config/score/misc.md: New file.
7397 * config/score/mul-div.S: New file.
7398 * config/score/predicates.md: New file.
7399 * config/score/score7.md: New file.
7400 * config/score/score.c: New file.
7401 * config/score/score-conv.h: New file.
7402 * config/score/score.h: New file.
7403 * config/score/score.md: New file.
7404 * config/score/score-mdaux.c: New file.
7405 * config/score/score-mdaux.h: New file.
7406 * config/score/score-modes.def: New file.
7407 * config/score/score.opt: New file.
7408 * config/score/score-protos.h: New file.
7409 * config/score/score-version.h: New file.
7410 * config/score/t-score-elf: New file.
7411 * config.gcc: Add score*-*-* configurations(Update before).
7412 * doc/invoke.texi (Score Options): New section.
7413 * doc/md.texi (Score family): New section to document constraints.
7415 2006-10-19 Nick Clifton <nickc@redhat.com>
7417 * config/arm/arm.c: Fix spelling typo.
7419 2006-10-18 Tom Tromey <tromey@redhat.com>
7421 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7423 2006-10-18 Jan Hubicka <jh@suse.cz>
7426 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7429 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7431 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7432 TSI_SAME_STMT, since that's the desired entity.
7434 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7436 * config/s390/contraints.md: New file.
7437 * config/s390/s390-protos.h (s390_mem_constraint,
7438 s390_O_constraint_str, s390_N_constraint_str,
7439 s390_float_const_zero_p): Function prototypes added.
7440 * config/s390/s390.c (s390_extra_constraint_str,
7441 s390_const_double_ok_for_constraint_p,
7442 s390_const_ok_for_constraint_p): Functions removed.
7443 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7444 s390_float_const_zero_p): New functions.
7445 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7446 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7447 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7448 Macro definitions removed.
7449 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7450 s390_extra_constraint_str): Functions removed.
7452 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7453 Richard Sandiford <richard@codesourcery.com>
7456 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7457 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7459 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7461 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7462 (DWARF2_FRAME_REG_OUT): Likewise.
7463 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7464 (DWARF2_FRAME_REG_OUT): Likewise.
7466 2006-10-17 Paul Brook <paul@codesourcery.com>
7468 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7470 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7472 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7473 Standardize on "GNU Fortran" as the official name of the Fortran
7476 2006-10-16 Mike Stump <mrs@apple.com>
7478 * doc/invoke.texi (Darwin Options): Document -mkernel.
7479 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7481 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7482 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7483 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7484 (OS_MISSING_ALTIVEC): Add.
7485 * config/i386/i386.c (override_options): Add
7486 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7487 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7488 -mkernel, -static or -mdynamic-no-pic is given.
7489 (C_COMMON_OVERRIDE_OPTIONS): Add.
7490 * config/darwin.opt (fapple-kext): Add.
7492 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7493 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7495 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7496 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7497 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7498 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7499 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7500 (flag_mkernel): Add.
7501 (flag_apple_kext): Add.
7502 (TARGET_KEXTABI): Add.
7503 * config/darwin.c (darwin_handle_kext_attribute): Add.
7504 (DARWIN_VTABLE_P): Add.
7505 (darwin_binds_local_p): Add partial support for rebinding vtables
7507 (darwin_kextabi_p): Add.
7508 (darwin_override_options): Add.
7509 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7510 (darwin_kextabi_p): Add.
7511 (darwin_override_options): Add.
7512 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7513 __DYNAMIC__ and __STATIC__ here.
7515 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7517 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7518 Added mention of "make pdf" target, and Texinfo requirements for
7521 2006-10-16 DJ Delorie <dj@redhat.com>
7523 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7524 into the GOT in case we need a subreg of the address.
7526 2006-10-16 Richard Guenther <rguenther@suse.de>
7529 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7530 SSE builtin documentation. Document SSE2 builtins.
7532 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7534 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7535 symbol in the output file for non-shared links when -nostdlib or
7536 -nodefaultlibs isn't specified.
7538 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7539 posix thread support.
7541 2006-10-15 Jan Hubicka <jh@suse.cz>
7544 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7545 declared always_inline even when not inlining.
7547 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7548 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7549 Andrew Pinski <pinskia@gmail.com>
7552 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7554 2006-10-15 Jan Hubicka <jh@suse.cz>
7555 Richard Guenther <rguenther@suse.de>
7558 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7559 process_function_and_variable_attributes on all variables, including
7560 those discovered during cgraph construction phase.
7562 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7564 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7566 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7568 * config/i386/athlon.md (athlon_fist): Add fisttp.
7570 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7571 Ian Lance Taylor <ian@airs.com>
7574 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7575 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7578 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7580 * config/score/score.c, config/score/score.h: Fix comment
7583 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7586 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7589 2006-10-13 Eric Christopher <echristo@apple.com>
7591 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7593 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7596 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7597 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7598 alignment supported by 32-bit ELF.
7600 2006-10-13 Eric Christopher <echristo@apple.com>
7602 * config/darwin.c (darwin_emit_unwind_label): Strip
7603 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7605 2006-10-13 Richard Guenther <rguenther@suse.de>
7607 PR tree-optimization/29446
7608 * tree-vrp.c (fix_equivalence_set): Remove.
7609 (extract_range_from_assert): Do not call fix_equivalence_set.
7610 (debug_value_range): Print a newline.
7611 (compare_name_with_value): For equivalence sets with
7612 inconsistent value ranges conservatively bail out.
7613 (compare_names): Likewise.
7615 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7617 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7618 and MPFR for gfortran.
7620 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7622 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7623 alignment supported by 32-bit ELF.
7625 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7629 * c-typeck.c (digest_init): Always allow initializing vectors
7630 that have static storage duration with compound literals.
7631 * tree.c (build_type_attribute_qual_variant): New, based on
7632 build_type_attribute_variant.
7633 (build_type_attribute_variant): Rewrite using the former.
7634 (make_vector_type): Use build_type_attribute_qual_variant to build
7635 type variants. Use type_hash_canon on the others.
7637 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7638 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7640 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7642 2006-10-12 Jan Hubicka <jh@suse.cz>
7645 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7646 current_function_decl is set but current_function_scope is not.
7648 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7650 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7651 emit_insn to emit eh_return_internal instruction.
7652 (eh_return_internal): Explicitly set pc.
7654 2006-10-11 Richard Guenther <rguenther@suse.de>
7656 PR tree-optimization/28230
7657 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7658 to the correct place.
7660 2006-10-11 Richard Guenther <rguenther@suse.de>
7663 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7666 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7668 * configure.ac: Added pdf to "Make-hooks"
7669 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7670 targets and *.pdf file patterns in cleanup targets.
7671 * configure: Regenerated.
7673 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7675 * config/avr/predicates.md: New file.
7676 * config/avr/avr.md: Include it.
7677 (REG_SP): New constant.
7678 (peepholes): Use predicates.
7679 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7680 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7681 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7683 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7685 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7688 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7691 * builtins.c (var_decl_component_p): New function.
7692 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7693 single entry optimization to variables and components thereof.
7695 2006-10-10 Richard Guenther <rguenther@suse.de>
7697 PR rtl-optimization/29323
7698 * except.c (set_nothrow_function_flags): For functions
7699 that do not bind local bail out early.
7701 2006-10-10 Ben Elliston <bje@au.ibm.com>
7703 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7706 2006-10-09 Richard Henderson <rth@redhat.com>
7708 Revert emutls patch.
7710 2006-10-09 Richard Guenther <rguenther@suse.de>
7713 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7716 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7719 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7720 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7721 * configure: Regenerate.
7722 * config.in: Regenerate.
7724 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7726 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7728 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7730 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7731 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7732 Remove stray newline.
7734 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7736 * config/mips/mips.c (mips_classify_symbol): Do not return
7737 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7738 (mips_in_small_data_p): Tweak comments.
7740 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7742 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7744 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7746 * gimplify.c, sched-int.h: Fix comment typos.
7748 * sched-int.h: Fix comment typos.
7750 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7752 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7754 * sched-ebb.c (begin_schedule_ready): Use them.
7755 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7756 add_to_speculative_block, create_check_block_twin, speculate_insn,
7757 fix_jump_move, move_block_after_check): Ditto.
7758 * sched-rgn.c (new_ready): Ditto.
7760 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7762 PR rtl-optimization/29128
7763 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7764 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7765 allow interblock movement of speculation checks.
7767 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7770 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7771 casted to integer type.
7772 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7773 if they are significantly more expensive than [reg + index] ones.
7775 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7777 PR tree-optimization/29330
7778 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7779 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7780 on newly allocated ddrs.
7781 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7782 to VEC (loop_p, heap) pointer.
7783 (compute_data_dependences_for_loop): Adjust caller.
7784 (free_dependence_relations): Free DDR_LOOP_NEST.
7786 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7787 free DEPENDENCE_RELATIONS and DATAREFS.
7790 * builtins.c (expand_builtin_sync_operation,
7791 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7792 Use convert_to_mode to handle promoted arguments.
7794 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7796 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7798 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7800 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7802 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7804 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7805 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7806 Use <modeconstraint> instead of "r" as operand 1 constraint.
7808 2006-10-06 Olivier Hainque <hainque@adacore.com>
7810 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7811 Don't recurse on the pointed-to type.
7812 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7813 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7814 types with components of variable size.
7816 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7818 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7820 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7822 PR tree-optimization/29290
7823 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7827 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7828 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7831 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7832 the number of vector elements fill the rest with zeros.
7834 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7836 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7837 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7840 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7842 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7843 unnamed pattern into subsi3. Use correct constraints/predicates.
7844 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7845 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7847 2006-10-05 Ira Rosen <irar@il.ibm.com>
7849 * doc/loop.texi: Add data references analysis description.
7851 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7853 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7855 2006-10-04 Richard Henderson <rth@redhat.com>
7856 Jakub Jelinek <jakub@redhat.com>
7858 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7859 * builtin-types.def (BT_WORD): Make unsigned.
7860 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7861 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7862 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7863 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7864 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7865 * cgraph.c (decide_is_variable_needed): Look at force_output.
7866 Recurse for emulated tls.
7867 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7868 checks redundant with decide_is_variable_needed.
7869 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7870 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7872 * expr.c (emutls_var_address): New.
7873 (expand_expr_real_1): Expand emulated tls.
7874 (expand_expr_addr_expr_1): Likewise.
7875 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7876 * output.h (emutls_finish): Declare.
7877 * toplev.c (compile_file): Call it.
7878 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7879 address before wrapping in CONST.
7880 * varasm.c (emutls_htab, emutls_object_type): New.
7881 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7882 (get_emutls_object_name, get_emutls_object_type): New.
7883 (get_emutls_init_templ_addr, emutls_decl): New.
7884 (emutls_common_1, emutls_finish): New.
7885 (assemble_variable): When emulating tls, swap decls; generate
7886 constructor for the emutls objects.
7887 (do_assemble_alias): When emulating tls, swap decl and target name.
7888 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7890 * emutls.c: New file.
7891 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7892 tls_object for real tls.
7894 2006-10-04 Zack Weinberg <zackw@panix.com>
7896 Fix bug in constraint-check generator, reported by Rask Ingemann
7898 * genpreds.c (add_constraint): Don't remove anything from the
7900 (write_tm_constrs_h): Detect whether "op" argument is used, and
7901 mark it ARG_UNUSED if it isn't.
7902 (write_insn_const_int_ok_for_constraint): Skip the part of the
7903 expression that would test whether "op" (which is not available
7904 here) is a CONST_INT.
7906 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7909 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7911 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7913 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7914 current Leopard versions.
7915 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7917 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7919 * doc/install.texi: Fix typos.
7921 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7923 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7924 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7925 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7927 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7929 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7930 arg to be struct mach_header_64* instead.
7932 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7935 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7936 side effects after the outer expression's post side effects.
7938 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7940 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7941 comments to reflect actual behavior and relationship between
7942 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7944 * doc/c-tree.texi (Working with declarations): Fix documentation
7945 of FIELD_DECL likewise.
7947 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7950 * doc/extend.texi: Add used variable attribute description.
7952 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7955 * c.opt (Woverride-init): New.
7956 * c-opts.c (c_common_post_options): Default warn_override_init to
7958 * c-typeck.c (add_pending_init, output_init_element): Warn for
7959 overriding initializers without side effects.
7960 * doc/invoke.texi (-Woverride-init): Document.
7963 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7965 PR rtl-optimization/28096
7966 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7967 assignment has already been used as a destination earlier in the block.
7969 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7971 * builtins.c (expand_builtin_setjmp): Delete.
7972 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7973 <BUILT_IN_SETJMP_SETUP>: New case.
7974 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7975 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7976 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7977 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7978 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7979 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7980 (lower_function_body): Initialize it to false. If it is set to true
7981 at the end of the processing, emit the setjmp dispatcher.
7982 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7983 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7984 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7985 on the rhs of the assignment.
7986 (lower_builtin_setjmp): New function.
7987 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7988 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7989 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7990 to detect calls that can go to non-local labels. Use specific
7991 helper to create the abnormal edges associated with them.
7992 <MODIFY_EXPR>: Likewise.
7993 (make_abnormal_goto_edges): New function extracted from...
7994 (make_goto_expr_edges): ...here. Call it for computed gotos.
7995 (simple_goto_p): Minor tweak.
7996 (tree_can_make_abnormal_goto): New predicate.
7997 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7998 (tree_purge_dead_abnormal_call_edges): New function.
7999 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8000 (tree_purge_dead_abnormal_call_edges): Likewise.
8001 (make_abnormal_goto_edges): Likewise.
8002 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8003 Purge all dead abnormal edges if the call was in the last statement.
8004 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8005 (execute_fixup_cfg): If there are non-local labels in the function,
8006 scan the basic blocks and split them at calls that can go to non-local
8007 labels or add missing abnormal call edges. Write down the CFG in the
8009 (pass_fixup_cfg): Remove TODO_dump_func flag.
8010 * unwind-sjlj.c: Poison setjmp.
8011 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8012 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8013 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8014 (DONT_USE_BUILTIN_SETJMP): Document it.
8016 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8019 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8020 to 1 when __ppc64__ is defined.
8021 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8023 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8025 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8027 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8028 * config/ia64/unwind-hpux.c: Delete.
8030 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8032 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8033 on the element before gimplifying it, instead of punting if it is of
8036 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8038 * doc/loop.texi: New file.
8039 * doc/gccint.texi: Reference loop.texi.
8040 * Makefile.in (loop.texi): Add.
8042 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8044 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8046 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8047 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8049 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8051 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8053 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8055 * doc/install.texi: Document required versions of GMP and MPFR.
8057 2006-09-27 Paul Brook <paul@codesourcery.com>
8060 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8062 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8064 * reload1.c (alter_reg): Require the alignment of the stack slot to
8065 be at least reg_max_ref_width bytes.
8066 (scan_paradoxical_subregs): Record the largest width in
8069 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8073 * tree-nested.c (struct nesting_info): Added static_chain_added.
8074 (convert_call_expr): Set static_chain_added when adding static
8075 chain. Handle OMP_PARALLEL and OMP_SECTION.
8077 2006-09-25 Matthias Klose <doko@debian.org>
8079 * doc/invoke.texi: Add missing full stop.
8081 2006-09-25 Richard Henderson <rth@redhat.com>
8083 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8084 before cgraph_function_flags_ready.
8086 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8087 Adam Nemet <anemet@caviumnetworks.com>
8089 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8090 determine_common_wider_type): New functions.
8091 (get_computation_aff): Use them to simplify arithmetic between
8092 UBASE and CBASE if they are shortened from the same type.
8094 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8097 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8098 -2147483647 - 1 instead of 0x80000000.
8100 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8102 * flags.h (HONOR_NANS): Fix typo in comment.
8104 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8106 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8108 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8112 * tree.c (merge_attributes, attribute_list_contained): If both
8113 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8115 * c-typeck.c (comptypes_internal): Don't consider aggregates
8116 in different TUs as compatible if there one set of attributes is
8117 not a subset of the other type's attributes.
8118 (composite_type): Try harder not to create a new aggregate type.
8120 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8122 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8123 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8124 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8125 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8126 than replicating condition above.
8127 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8129 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8130 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8131 the linker by default.
8133 2006-09-22 Mike Stump <mrs@apple.com>
8135 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8138 2006-09-22 Richard Guenther <rguenther@suse.de>
8141 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8142 sort of stack variables stable.
8144 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8147 * explow.c (force_reg): Set REG_POINTER flag according to
8150 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8152 PR tree-optimization/28888
8153 * tree-if-conv.c (combine_blocks): Rewritten.
8154 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8155 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8157 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8159 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8162 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8164 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8166 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8168 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8170 2006-09-21 Roger Sayle <roger@eyesopen.com>
8173 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8174 dw_fde_current_label, to be the start of the function, i.e. the same
8175 value as dw_fde_begin.
8177 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8179 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8180 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8181 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8182 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8183 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8184 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8185 (abs<mode>2, neg<mode>2): Likewise.
8186 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8187 (*mips_abs_ps): New define_insn.
8189 2006-09-20 Josh Conner <jconner@apple.com>
8192 * calls.c (expand_call): Allow reuse of structure return stack
8195 2006-09-20 Paul Brook <paul@codesourcery.com>
8197 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8200 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8202 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8203 clean up terminology.
8205 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8208 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8209 with tablejumps in them.
8211 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8214 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8215 wrap it into TARGET_EXPR.
8217 2006-09-20 Eric Christopher <echristo@apple.com>
8219 * config/i386/i386.c (x86_fisttp): Remove.
8220 * config/i386/i386.h (x86_fisttp): Ditto.
8221 (TARGET_FISTTP): Ditto.
8223 2006-09-19 Eric Christopher <echristo@apple.com>
8225 * doc/tm.texi (OBJC_JBLEN): Describe.
8226 * config/i386/darwin.h (OBJC_JBLEN): Define.
8227 * config/rs6000/darwin.h: Ditto.
8229 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8231 PR rtl-optimization/21299
8232 * reload1.c (reload): Purge invalid ASMs in the final pass.
8234 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8237 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8238 pointers as legitimate constants.
8240 2006-09-19 Paul Brook <paul@codesourcery.com>
8243 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8245 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8247 PR tree-optimization/28887
8248 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8249 component parts from the reference.
8250 (gather_memory_references_ref): Record the reference without the
8251 nonaddressable component parts.
8253 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8256 * c-opts.c (c_common_handle_option): Ignore the -std options
8257 if the input language is assembly.
8259 2006-09-17 Ira Rosen <irar@il.ibm.com>
8262 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8264 (ptr_ptr_may_alias_p): Likewise.
8265 (record_record_differ_p): New function.
8266 (base_object_differ_p): Call record_record_differ_p.
8268 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8271 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8272 away for the expr argument.
8274 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8277 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8278 before using it for dumping after vectorizing loops.
8280 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8281 Jack Howarth <howarth@bromo.med.uc.edu>
8284 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8285 skip on error_mark_node.
8286 (rs6000_darwin64_record_arg_recurse): Likewise.
8288 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8290 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8291 * doc/rtl.texi: Remove related documentation.
8293 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8295 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8298 2006-09-15 Jim Wilson <wilson@specifix.com>
8300 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8301 Handle symbol offsets same as they are handled in ia64_expand_move
8304 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8306 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8307 Add forgotten parameter to the fprintf call.
8309 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8311 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8313 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8315 * doc/contrib.texi: Add my entry.
8317 2006-09-15 Nick Clifton <nickc@redhat.com>
8319 * doc/md.texi (Processor pipeline description): Fix typo in
8320 example of how to use the absence_set directive and reword the
8321 description to make it slightly easier to read.
8323 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8325 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8326 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8327 expanding the number of iterations.
8328 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8330 * cfgrtl.c (emit_insn_at_entry): New function.
8331 * rtl.h (emit_insn_at_entry): Declare it.
8332 * integrate.c (emit_initial_value_sets): Use it.
8334 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8336 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8338 (struct loop_work and related VEC declarations): Delete.
8339 (bfin_dump_loops): Print out new member bad.
8340 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8341 (bfin_scan_loop): Don't recurse.
8342 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8343 loops. No longer need to update outer loops if the current one is
8344 found bad. Move some validitiy checks to bfin_discover_loop.
8345 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8346 but changed not to check for nesting. Also changed to use the new bad
8348 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8349 time. Use bitmap based test to discover loop nesting.
8351 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8353 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8356 2006-09-14 Richard Guenther <rguenther@suse.de>
8357 Kazu Hirata <kazu@codesourcery.com>
8359 PR middle-end/28884.
8360 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8361 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8362 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8363 with TARGET_FUNCTION_VALUE.
8365 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8368 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8370 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8372 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8375 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8378 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8381 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8383 * basic_block.h (bb_has_eh_pred): Fix comment.
8385 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8387 * flow.c (calculate_global_regs_live): Invalidate eh registers
8388 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8389 (propagate_block): Handle eh registers as if they were set at basic
8391 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8393 * global.c (global_conflicts): Make eh registers to conflict with
8394 pseudos live at basic block begin.
8395 * basic_block.h (bb_has_eh_pred): New function.
8397 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8399 PR rtl-optimization/28982
8400 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8401 index of a PRE_MODIFY or POST_MODIFY address.
8402 * reload1.c (inc_for_reload): Use find_replacement on the original
8403 base and index registers.
8405 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8407 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8408 for -Os. Update __m128 alignment requirement.
8410 2006-09-13 Jan Hubicka <jh@suse.cz>
8412 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8414 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8416 PR rtl-optimization/28243
8417 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8418 the insn to which the note was originally attached.
8420 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8421 Roger Sayle <roger@eyesopen.com>
8423 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8424 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8425 on platforms that don't use dwarf for debug info.
8427 2006-09-12 Jason Merrill <jason@redhat.com>
8430 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8431 hard_frame_pointer_rtx after using it to update the frame pointer.
8433 2006-09-12 Roger Sayle <roger@eyesopen.com>
8435 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8436 (TARGET_ASM_CLOSE_PAREN): Likewise.
8437 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8438 (TARGET_ASM_CLOSE_PAREN): Likewise.
8440 2006-09-12 Roger Sayle <roger@eyesopen.com>
8443 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8444 frame information for frames larger than 512 Kbytes on Tru64 when
8445 using the native assembler.
8447 2006-09-12 Roger Sayle <roger@eyesopen.com>
8451 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8452 and symbols. Instead use the implementation from cse.c's hash_rtx.
8454 2006-09-12 Jan Hubicka <jh@suse.cz>
8456 PR rtl-optimization/28071
8457 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8458 (vect_transform_loop): Likewise.
8459 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8460 (new_loop_vec_info): Likewise.
8461 (destroy_loop_vec_info): Likewise.
8462 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8463 (create_stmt_ann): Likewise.
8464 (create_tree_ann): Rename to ...
8465 (create_tree_common_ann): ... this one; allocate only the common part
8467 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8468 (get_value_handle): Likewise.
8469 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8470 get_tree_common_ann.
8471 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8472 (vinfo_for_stmt): Use stmt annotations.
8473 * tree-flow.h (tree_ann_common_t): New type.
8474 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8475 (tree_ann, get_tree_ann, create_tree_ann): New.
8476 * tree-flow-inline.h (get_function_ann): Do more type checking.
8477 (stmt_ann): Likewise.
8478 (tree_ann): Rename to ...
8479 (tree_common_ann): ... this one; return ony common_ann
8480 (get_tree_ann): Rename to ...
8481 (tree_common_ann): This one; return only common_ann.
8482 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8485 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8487 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8488 with_cpu by default.
8490 * dwarf2out.c (dwarf_file_data): New.
8491 (enum dw_val_class): Add dw_val_class_file.
8492 (struct dw_val_struct): Add val_file.
8493 (file_table): Change to a hash table.
8494 (file_table_emitted): Delete.
8495 (file_table_last_lookup_index): Delete.
8496 (emitcount): Delete.
8497 (last_emitted_file): New.
8498 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8499 (init_file_table): Delete.
8500 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8501 (AT_addr): Add comment.
8505 (print_die): Handle dw_val_class_file.
8506 (print_dwarf_line_table): Update for new file table structure.
8507 (attr_checksum): Do checksum a filename.
8508 (same_dw_val_p, same_attr_p): Do compare a filename.
8509 (size_of_die): Handle dw_val_class_file.
8510 (value_format): Likewise.
8511 (output_die): Likewise. Also, call maybe_emit_file here.
8512 (struct file_info): Constify filenames. Make file_idx a pointer
8513 to a struct dwarf_file_data.
8514 (struct dir_info): Constify directory names. Remove 'used' field.
8515 (struct file_name_acquire_data): New.
8516 (file_name_acquire): New.
8517 (output_file_names): Modify to handle new file data structures.
8518 (add_src_coords_attributes): Use add_AT_file.
8519 (add_call_src_coords_attributes): Likewise.
8520 (dwarf2out_imported_module_or_decl): Likewise.
8521 (gen_subprogram_die): Modify for new file data structures.
8522 (gen_variable_die): Likewise.
8523 (file_table_eq): New.
8524 (file_table_hash): New.
8525 (file_table_last_lookup): New.
8526 (lookup_filename): Rewrite to handle new file data structures.
8527 (maybe_emit_file): Rewrite to handle new file data structures.
8528 (dwarf2out_source_line): Always call lookup_filename and
8530 (dwarf2out_init): Create file_table here.
8531 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8532 (file_table_relative_p): New.
8533 (dwarf2out_finish): Change detection of relative filenames
8534 to work with new file data structures. Move output_line_info call
8535 after debug_info output.
8537 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8542 * config/i386/i386.c (override_options): Always default to 16
8543 byte stack boundary.
8545 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8548 * var-tracking.c (dump_dataflow_set): Start dumping at
8550 (clobber_variable_part): Kill only the variable part in
8551 registers holding it, leaving other variables alone.
8553 2006-09-11 Josh Triplett <josh@freedesktop.org>
8555 * doc/extend.texi (Other Builtins): Actually use the macro
8556 argument in the documentation example for
8557 __builtin_types_compatible_p.
8559 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8561 PR rtl-optimization/28726
8562 * sched-deps.c (sched_analyze_reg): New function extracted from...
8563 (sched_analyze_1): ...here. Call it to analyze references to
8564 registers. Treat again writes to a stack register as writing to the
8566 (sched_analyze_2): ...and here. Call it to analyze references to
8567 registers. Treat again reads of a stack register as reading the
8570 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8571 David Edelsohn <edelsohn@gnu.org>
8574 * config/rs6000/spe.md (frob_df_di): Remove %H.
8575 (frob_di_df): Remove %H. Change evmergelo to mr.
8576 (frob_di_df_2): Remove %H. Change evldd to two loads.
8578 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8580 * doc/cpp.texi: Fix names of charset options.
8582 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8585 * config/i386/i386.c (override_options): Use 128-bit
8586 stack boundary always for 64bits.
8588 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8590 PR rtl-optimization/28636
8591 * combine.c (force_to_mode): Test for side-effects before
8592 substituting by zero.
8593 (simplify_shift_const): Likewise for zero or other constants.
8595 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8598 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8601 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8604 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8605 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8606 returned by mode_for_size, rather than the mode of src itself,
8607 to choose between 32-bit and 64-bit patterns.
8608 (mips_mem_fits_mode_p): New function.
8609 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8610 that the size of the source matches the size of the destination.
8611 (mov_<store>l, mov_<store>r): Likewise.
8613 2006-09-10 Eric Christopher <echristo@apple.com>
8615 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8618 2006-09-09 Eric Christopher <echristo@apple.com>
8621 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8624 2006-09-09 Roger Sayle <roger@eyesopen.com>
8625 Nicolas Setton <setton@adacore.com>
8627 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8629 2006-09-10 Andreas Schwab <schwab@suse.de>
8631 * config/m68k/m68k.md (bungt_rev): New pattern.
8633 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8634 Dale Johannesen <dalej@apple.com>
8637 * regclass.c (struct reg_pref): Update documentation.
8638 (regclass): Set prefclass to NO_REGS if memory is the best option.
8639 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8641 2006-09-08 Eric Christopher <echristo@apple.com>
8643 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8644 * config/t-slibgcc-darwin: Support x86_64 multilib.
8645 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8646 Return 1 for x86_64-darwin.
8647 * config/i386/t-darwin: Add m64 multilib.
8648 (LIB2_SIDITI_CONV_FUNCS): Use.
8649 (LIB2FUNCS_EXTRA): Ditto.
8650 * config/i386/darwin.h: Support x86_64.
8651 * config/i386/i386.c (override_options): Turn on flag_pic
8652 for x86_64-darwin. Disable flag_omit_pointer.
8653 (get_pc_thunk_name): Assert !TARGET_64BIT.
8654 (legitimate_address_p): Disable machopic addressing for
8656 (legitimize_pic_address): Ditto.
8657 (ix86_expand_move): Ditto.
8658 (ix86_expand_call): Ditto.
8659 (machopic_output_stub): Ditto.
8660 * config/darwin.c (machopic_select_section): Support literal16.
8661 (machopic_select_rtx_section): Ditto.
8662 * config/darwin-sections.def: Ditto.
8663 * config/darwin-64.c: New.
8665 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8668 * c-tree.h (struct c_arg_info): Add pending_sizes.
8669 * c-parser.c (c_parser_parms_declarator,
8670 c_parser_parms_list_declarator): Initialize pending_sizes.
8671 * c-decl.c (get_parm_info): Initialize pending_sizes.
8672 (get_parm_info): Set pending_sizes.
8673 (grokdeclarator): Call put_pending_sizes for parameters for
8674 function definition only.
8676 2006-09-07 Jason Merrill <jason@redhat.com>
8679 * varasm.c (output_constant): Only strip actual no-op conversions.
8682 * config/i386/i386.c (override_options): Use 128-bit
8683 stack boundary if -msse.
8685 2006-09-07 Eric Christopher <echristo@apple.com>
8687 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8689 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8692 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8694 * dwarf2out.c: Remove strange characters from comment above
8695 dwarf2out_frame_debug_expr.
8697 2006-09-07 Eric Christopher <echristo@apple.com>
8699 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8700 * config/darwin.h: ... to here.
8702 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8704 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8706 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8707 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8709 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8710 TARGET_PARTIAL_FLAG_REG_STALL.
8711 (*ashldi3_cconly_rex64): Likewise.
8712 (*ashlsi3_cmp): Likewise.
8713 (*ashlsi3_cconly): Likewise.
8714 (*ashlsi3_cmp_zext): Likewise.
8715 (*ashlhi3_cmp): Likewise.
8716 (*ashlhi3_cconly): Likewise.
8717 (*ashlqi3_cmp): Likewise.
8718 (*ashlqi3_cconly): Likewise.
8719 (*ashrdi3_cmp_rex64): Likewise.
8720 (*ashrdi3_cconly_rex64): Likewise.
8721 (*ashrsi3_cmp): Likewise.
8722 (*ashrsi3_cconly): Likewise.
8723 (*ashrsi3_cmp_zext): Likewise.
8724 (*ashrhi3_cmp): Likewise.
8725 (*ashrhi3_cconly): Likewise.
8726 (*ashrqi3_cmp): Likewise.
8727 (*ashrqi3_cconly): Likewise.
8728 (*lshrdi3_cmp_rex64): Likewise.
8729 (*lshrdi3_cconly_rex64): Likewise.
8730 (*lshrsi3_cmp): Likewise.
8731 (*lshrsi3_cconly): Likewise.
8732 (*lshrsi3_cmp_zext): Likewise.
8733 (*lshrhi3_cmp): Likewise.
8734 (*lshrhi3_cconly): Likewise.
8735 (*lshrqi2_cmp): Likewise.
8736 (*lshrqi2_cconly): Likewise.
8738 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8741 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8742 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8743 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8744 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8745 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8746 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8747 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8748 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8749 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8750 implement only CC setting effects of shift instructions.
8752 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8754 * doc/contrib.texi: Add myself.
8756 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8759 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8760 was set by the user.
8762 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8765 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8766 (divsi_inv_m1): Use them.
8767 (UNSPEC_DIV_INV_TABLE): New constant.
8769 2006-09-06 James E Wilson <wilson@specifix.com>
8772 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8773 then call count_or_remove_death_notes.
8775 2006-09-06 Jason Merrill <jason@redhat.com>
8778 * tree-inline.c (copy_result_decl_to_var): New fn.
8779 (declare_return_variable): Use it. Call declare_inline_vars here.
8780 (expand_call_inline): Not here.
8782 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8784 * doc/contrib.texi: Update my entry.
8786 2006-09-06 Nick Clifton <nickc@redhat.com>
8788 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8790 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8793 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8794 (canonicalize_induction_variables): Likewise.
8795 (tree_unroll_loops_completely): Likewise.
8796 (tree_ssa_prefetch_arrays): Likewise.
8797 (remove_empty_loops): Likewise.
8798 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8799 TODO_cleanup_cfg instead of directly calling
8800 cleanup_tree_cfg_loop.
8801 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8803 (tree_unroll_loops_completely): Likewise.
8804 (remove_empty_loops): Likewise.
8805 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8806 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8807 of tree_ssa_unswitch_loops.
8808 (tree_ssa_loop_ivcanon): Use the return value of
8809 canonicalize_induction_variables.
8810 (tree_ssa_empty_loop): Use the return value of
8812 (tree_complete_unroll): Use the return value of
8813 tree_unroll_loops_completely.
8814 (tree_ssa_loop_prefetch): Use the return value of
8815 tree_ssa_prefetch_arrays.
8816 * passes.c (execute_todo): Before Cleanup CFG, set
8817 updating_used_alone and after cleanup CFG, call
8818 recalculate_used_alone.
8820 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8823 * tree-vect-transform.c (vectorizable_condition): Move the check
8824 for the type after the check for simple condition.
8826 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8827 Kaz Kojima <kkojima@gcc.gnu.org>
8830 * mode-switching.c (optimize_mode_switching): Make the destination
8831 block of an abnormal edge have no anticipatable mode. Don't
8832 insert mode switching code at the end of the source block of
8835 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8837 PR rtl-optimization/26847
8838 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8839 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8840 (simplify_plus_minus): Count n_constants while filling ops. Replace
8841 qsort with insertion sort. Before going through the array to simplify
8842 pairs, sort it. Delay early exit until after the first sort, exiting
8843 only if no swaps occurred. Simplify pairs in reversed order, without
8844 special-casing the first iteration. Pack ops after simplifying pairs.
8846 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8848 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8849 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8850 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8851 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8853 2006-09-05 Richard Guenther <rguenther@suse.de>
8855 PR tree-optimization/28900
8856 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8857 compound conditional before creating COND_EXPR condition.
8859 2006-09-05 Richard Guenther <rguenther@suse.de>
8861 PR tree-optimization/28905
8862 * tree-vrp.c (fix_equivalence_set): Manually implement
8863 !value_ranges_intersect_p to also handle symbolic ranges.
8865 2006-09-05 Richard Guenther <rguenther@suse.de>
8868 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8871 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8873 PR rtl-optimization/27616
8874 * cse.c (table_size): New static variable.
8875 (new_basic_block): Initialize it to 0.
8876 (remove_from_table): Decrement it.
8877 (insert): Increment it.
8878 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8879 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8880 fold_rtx_mem_1 if under the cap.
8881 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8882 the lookup of the equivalent expression and test for equality of the
8883 first operand of the equivalent expression before in turn looking up
8884 an equivalent constant for the second operand.
8886 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8889 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8890 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8891 pointer, instead of assuming it is possible to derive the
8892 correct args size from a call insn.
8894 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8897 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8898 (fold_builtin_mempcpy): Rename to...
8899 (fold_builtin_memory_op): ... this. Optimize one element copy
8901 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8903 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8904 (expand_builtin_memcpy, expand_builtin_mempcpy,
8905 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8906 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8907 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8908 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8910 2006-09-01 DJ Delorie <dj@redhat.com>
8912 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8913 (stzx_16): Likewise.
8914 ("stzx_24_<mode>"): Likewise.
8915 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8916 ("cmp<mode>_op"): New.
8917 (cmp<mode>): Change to expander; just save operands.
8919 (b<code>): Change to expander, emit compare here.
8920 (s<code>_op): Change to use split and expander.
8921 (s<code>_24_op): Likewise.
8922 (s<code>_<mode>): New.
8923 (s<code>_<mode>_24): New.
8924 (movqicc_<code>_<mode): New.
8925 (movhicc_<code>_<mode>): New.
8928 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8929 (m32c_pend_compare): New.
8930 (m32c_unpend_compare): New.
8931 (m32c_expand_scc): New.
8932 (m32c_expand_movcc): Emit the compare also.
8933 * config/m32c/predicates.md (mra_nopp_operand): New.
8935 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8936 Richard Guenther <rguenther@suse.de>
8937 Adam Nemet <anemet@caviumnetworks.com>
8940 * builtins.c (get_pointer_alignment): Handle more forms
8941 of base addresses that can be used to derive more precise
8942 information about alignment.
8944 2006-09-01 Jason Merrill <jason@redhat.com>
8947 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8950 * gimplify.c (voidify_wrapper_expr): Handle null type.
8952 2006-09-01 Josh Conner <jconner@apple.com>
8955 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8956 (execute_return_slot_opt): Use it.
8958 2006-08-31 Josh Conner <jconner@apple.com>
8961 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8962 returning aggregates.
8964 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8966 PR tree-optimization/28839
8967 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8968 blocks in that phi arguments appear.
8970 2006-08-31 Roger Sayle <roger@eyesopen.com>
8973 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8974 NULL, otherwise use an advance_loc4 to adjust relative to the
8976 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8977 (dwarf2out_switch_text_section): Reset the current label to avoid
8978 using advance_loc4 over section boundaries.
8980 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8983 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8984 r12 + SYMBOLIC_CONST.
8986 2006-08-30 Richard Guenther <rguenther@suse.de>
8988 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8990 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8992 PR rtl-optimization/27735
8993 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8994 Add new argument to keep track of whether an irreducible region
8995 was affected. All callers changed.
8996 (fix_irreducible_loops): Removed.
8997 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8998 flags were invalidated.
9000 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9002 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9003 instead of SF operands.
9004 (*fop_df_comm_sse): Likewise.
9005 (*fop_df_comm_i387): Likewise.
9006 (*fop_df_1_mixed): Likewise.
9007 (*fop_df_1_sse): Likewise.
9009 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9010 J"orn Rennecke <joern.rennecke@st.com>
9012 PR tree-optimization/17506
9013 * tree-ssa.c (warn_uninit): If warning about a location outside of
9014 the current function, note where the variable was declared.
9016 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9018 PR tree-optimization/28411
9019 * double-int.c (double_int_div): Use double_int_divmod.
9020 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9021 double_int_mod, double_int_smod, double_int_umod): New functions.
9022 * double-int.h (double_int_divmod, double_int_sdivmod,
9023 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9025 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9027 (get_computation_aff, get_computation_cost_at): Handle double_int
9028 return type of constant_multiple_of.
9030 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9033 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9034 an implicit conversion.
9036 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9038 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9040 2006-08-27 Roger Sayle <roger@eyesopen.com>
9042 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9045 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9047 * config/i386/crtfastmath.c: Fix a comment typo.
9049 2006-08-26 Roger Sayle <roger@eyesopen.com>
9051 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9052 temporary visit flags on CASE_LABEL_EXPRs.
9053 * c-common.c (match_case_to_enum): Add function comment. Avoid
9054 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9055 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9056 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9057 a constant, only warn if that constant value isn't handled.
9059 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9062 * input.h (restore_input_file_stack): Declare.
9063 (INPUT_FILE_STACK_BITS): Define.
9064 * toplev.c (fs_p, input_file_stack_history,
9065 input_file_stack_restored, restore_input_file_stack): New.
9066 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9067 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9068 (pop_srcloc): Don't free old state of stack.
9070 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9073 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9074 (PowerPC Type Attributes): New.
9076 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9078 * config/xtensa/xtensa.c (function_arg_boundary): New.
9079 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9081 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9082 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9084 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9087 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9090 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9092 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9093 (verify_local_live_at_start): Likewise.
9095 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9098 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9099 omp_add_variable): Treat sizes as variable whenever not
9102 2006-08-26 Richard Guenther <rguenther@suse.de>
9105 * fold-const.c (fold_binary): Fold temporary to correct
9106 type before constructing new comparison.
9108 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9111 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9112 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9114 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9117 * c-decl.c (start_function): Don't try to process prototype
9118 information from old declaration that isn't a function.
9120 2006-08-25 Jan Hubicka <jh@suse.cz>
9123 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9125 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9128 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9131 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9133 PR tree-optimization/16876
9134 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9135 exit if PARM doesn't match VALUE.
9137 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9139 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9140 literal_prefix directive.
9141 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9142 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9143 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9145 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9148 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9149 predicate to general_operand. Add 0->y and I->r alternatives.
9151 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9153 * doc/tm.texi: Fix a typo.
9154 * predict.c: Fix comment typos.
9156 2006-08-25 Nick Clifton <nickc@redhat.com>
9158 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9159 assertions of "cpu" and "machine".
9161 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9164 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9165 the access through a base which has an alias set of 0 cannot
9168 2006-08-24 Bill Wendling <wendling@apple.com>
9170 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9172 2006-08-24 Jan Hubicka <jh@suse.cz>
9174 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9176 2006-08-24 Jan Hubicka <jh@suse.cz>
9179 * cgraph.c: Fix comments.
9180 (cgraph_varpool_mark_needed_node): Mark only variables not already
9182 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9183 (cgraph_varpool_assembled_nodes_queue): New static variable.
9184 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9185 (cgraph_varpool_output_debug_info): New function.
9186 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9187 * Makefile.in: Add gt-cgraphunit.h
9189 2006-08-24 Jan Hubicka <jh@suse.cz>
9191 * predict.c (probability_reliable_p): New predicate.
9192 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9193 (predict_loops): Do not predict loop exit with less than 2%
9195 * basic-block.h (edge_probability_reliable_p,
9196 br_prob_note_reliable_p): Declare.
9197 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9198 prediction when static predictor is not reliable.
9199 * rs6000.c (output_cbranch): Likewise.
9201 2006-08-23 Stuart Hastings <stuart@apple.com>
9204 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9205 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9207 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9210 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9211 complex values, nor for generic vector values.
9213 2006-08-22 Richard Guenther <rguenther@suse.de>
9216 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9217 parameter. Convert arguments to arithmetic expression to the
9219 (analyze_scalar_evolution_1): Adjust caller.
9221 2006-08-22 Jan Hubicka <jh@suse.cz>
9223 Patch by Paolo Bonzini
9224 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9227 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9229 PR tree-optimization/28003
9230 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9231 before grouping aliases.
9233 2006-08-22 Roger Sayle <roger@eyesopen.com>
9235 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9236 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9238 2006-08-21 Jason Merrill <jason@redhat.com>
9241 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9242 wrapper. Loop to handle nested wrappers.
9243 (gimplify_bind_expr): Remove temp parameter.
9244 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9245 and STATEMENT_LIST on the rhs.
9246 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9247 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9248 (gimplify_target_expr): Remove special BIND_EXPR handling.
9250 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9252 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9255 2006-08-21 Olivier Hainque <hainque@adacore.com>
9257 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9258 Arrange for the temporary captures of components overlapping the lhs
9259 to happen before the lhs is possibly cleared.
9261 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9263 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9264 necessary places to pass the correct "number of registers" values
9267 2006-08-20 Jan Hubicka <jh@suse.cz>
9269 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9270 (create_name_tags): Instead of quadratic checking use hashtable.
9271 * bitmap.h: Include hashtab.h.
9272 (bitmap_hash): Declare.
9273 * bitmap.c (bitmap_hash): New function.
9275 2006-08-20 Jan Hubicka <jh@suse.cz>
9277 PR rtl-optimization/28071
9278 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9280 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9281 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9282 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9283 cgraph_decide_inlining_incrementally): Update use of
9284 cgraph_check_inline_limits.
9285 * cgraph.c (edge_hash, edge_eq): New function.
9286 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9287 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9288 cgraph_remove_node): Maintain call site hash.
9289 * cgraph.h (struct cgraph_node): Add call_site_hash.
9290 (cgraph_set_call_stmt): New function.
9292 2006-08-20 Jan Hubicka <jh@suse.cz>
9294 PR rtl-optimization/28071
9295 * reload1.c (reg_has_output_reload): Turn into regset.
9296 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9297 choose_reload_regs, emit_reload_insns): Update to new
9298 reg_has_output_reload.
9300 2006-08-20 Jan Hubicka <jh@suse.cz>
9303 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9304 function body sizes.
9305 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9307 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9310 * tree.c (handle_dll_attribute): Return early if not a
9311 var or function decl.
9313 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9316 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9317 alignment of SPE vector types.
9319 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9321 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9323 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9326 * cgraph.h (struct cgraph_node): Remove externally_visible
9328 * cgraphunit.c (process_function_and_variable_attributes): Set
9329 local.externally_visible rather than externally_visible.
9332 * c-common.c (handle_externally_visible_attribute): First look
9333 at TREE_CODE and only if it is function or var decl, check for
9334 non-public objects. Don't warn for DECL_EXTERNAL.
9335 * cgraphunit.c (process_function_and_variable_attributes): Warn
9336 if externally_visible attribute is used on non-public object.
9338 2006-08-17 Jan Hubicka <jh@suse.cz>
9340 PR tree-optimization/27865
9341 * reload1.c (forget_marked_reloads): New function.
9342 (forget_old_reloads_1): When data are passed, just mark the registers
9344 (reload_as_needed): Use the new mechanizm.
9346 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9349 * reload.h (reg_equiv_alt_mem_list): New declaration.
9350 * reload1.c (reg_equiv_alt_mem_list): New definition.
9351 (reload): Initialize it and release it.
9352 (delete_output_reload): Use it.
9353 * reload.c (push_reg_equiv_alt_mem): New function.
9354 (find_reloads_toplev): Call it.
9355 (find_reloads_address, find_reloads_address_1): Likewise.
9356 (find_reloads_subreg_address): Likewise.
9358 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9360 PR rtl-optimization/28489
9361 * sched-ebb.c (begin_schedule_ready): Create basic block
9363 (advance_target_bb): Skip empty blocks.
9364 * haifa-sched.c (bb_note): Make global.
9365 * sched-int.h (bb_note): Add prototype.
9367 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9369 PR tree-optimization/27865
9370 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9372 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9373 fold_used_pointer, pointer_used_p): New functions.
9374 (analyze_scalar_evolution_1): Use fold_used_pointer.
9375 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9376 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9379 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9382 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9383 or the INTEGER_CST. Fail on a CALL_EXPR.
9384 (fold_offsetof): Pass new argument to fold_offsetof_1.
9385 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9386 operand into an INDIRECT_REF.
9387 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9389 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9391 PR gcov/profile/26570
9392 * value-prof.c (static_values): Removed.
9393 (tree_find_values_to_profile): Do not set static_values.
9394 (find_values_to_profile): Do not free static_values.
9395 * profile.c (instrument_values): Do not free the values.
9396 (branch_prob): Free the values.
9398 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9400 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9402 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9405 * c-typeck.c (build_component_ref): Combine qualifiers of
9406 structure or union and field.
9408 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9410 PR rtl-optimization/28071
9411 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9412 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9413 * tree-into-ssa.c (struct dom_dfsnum): New.
9414 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9416 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9417 compute_global_livein.
9418 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9419 in phi nodes in the correct blocks.
9421 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9423 PR tree-optimization/28364
9424 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9426 (fold_affine_expr): New function.
9427 (may_eliminate_iv): Use fold_affine_expr.
9429 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9432 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9435 2006-08-16 Mike Stump <mrs@apple.com>
9437 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9438 * doc/cppopts.texi (-MD): Likewise.
9440 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9443 * c-common.c (handle_weak_attribute): Ignore and warn if
9444 not a FUNCTION_ or VAR_DECL.
9446 2006-07-15 Mike Stump <mrs@apple.com>
9449 * c-parser.c (c_parser_typeof_specifier): Don't use
9450 c_finish_expr_stmt, open code desired semantics instead.
9452 2006-08-15 Nick Clifton <nickc@redhat.com>
9454 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9455 fragment to tmake_file only if threads are enabled.
9456 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9457 * config/i386/t-gthr-win32: New file. ... here.
9459 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9462 * c-parser.c (c_parser_compound_statement_nostart): Reset
9463 parser->error after each statement.
9465 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9468 * omp-low.c (lower_omp_parallel): Convert t to
9469 receiver_decl's type.
9470 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9471 source before comparison.
9474 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9475 to itype in assignment to oldival2.
9477 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9481 * c-typeck.c (build_compound_expr): If the second expression
9482 is an error mark, then just return an error mark instead of
9483 creating a COMPOUND_EXPR.
9485 2006-07-14 Mike Stump <mrs@apple.com>
9487 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9489 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9491 * c-decl.c, var-tracking.c: Fix comment typos.
9493 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9495 PR rtl-optimization/28634
9496 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9497 for floating-point modes unless flag_unsafe_math_optimizations.
9499 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9500 Andrew Pinski <pinskia@physics.uc.edu>
9503 * tree.c (build_array_type): Unify array types with
9504 unspecified index_type.
9505 * c-decl.c (grokdeclarator): Make sure we do not modify a
9506 unified incomplete array type.
9507 * c-typeck.c (store_init_value): Create distinct type before
9508 filling in the index type in an initializer from a compound
9511 * c-decl.c (grokdeclarator): Remove code where we copy the
9514 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9516 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9517 into account for TODO_dump_cgraph.
9518 (TODO_update_ssa_no_phi): Likewise.
9519 (TODO_update_ssa_full_phi): Likewise.
9520 (TODO_update_ssa_only_virtuals): Likewise.
9521 (TODO_remove_unused_locals): Likewise.
9522 (TODO_set_props): Likewise.
9523 (TODO_update_stmt_usage): Likewise.
9525 2006-08-13 Dirk Mueller <dmueller@suse.de>
9527 * c-common.c (strict_aliasing_warning): Fix formatting.
9529 2006-08-13 Matthias Klose <doko@debian.org>
9531 * doc/invoke.texi: Fix spelling errors.
9533 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9535 PR rtl-optimization/23454
9536 * reorg.c (relax_delay_slots): Update comment.
9538 2006-08-11 Richard Guenther <rguenther@suse.de>
9541 * simplify-rtx.c (simplify_const_relational_operation):
9542 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9545 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9547 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9548 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9550 2006-08-10 Paul Brook <paul@codesourcery.com>
9552 * final.c (final_scan_insn): Clear current_insn_predicate before
9553 outputting inline asm.
9555 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9557 PR tree-optimization/26197
9558 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9559 get_ref_base_and_extent and overlap_subvar to add only relevant
9560 subvars as may-aliases.
9561 (add_may_alias_for_new_tag): New function, factored out of
9563 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9564 with additional argument.
9565 * tree-flow.h (new_type_alias): Takes additional argument.
9567 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9569 * gcov.c (no_data_file): New flag.
9570 (read_count_file): Set it if data file not present. Assume counts
9572 (output_lines): Don't name the data file, if there wasn't one.
9574 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9576 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9577 (rs6000_generate_compare): Tweak comments.
9578 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9580 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9582 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9583 (var_debug_decl): New function.
9584 (var_reg_set): Follow debug decl link. Add location even if
9585 reg is already known to hold some other variable.
9586 (var_mem_set): Follow debug decl link.
9587 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9588 decl link. Delete other known locations of the variable part
9590 (var_reg_delete, var_mem_delete): Delete other known locations
9591 of the variable part if requested.
9592 (same_variable_part_p): New function.
9593 (add_stores): Select MO_COPY when appropriate.
9594 (vt_initialize): Handle it.
9595 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9596 known locations for MO_SET and MO_CLOBBER.
9597 (find_variable_location_part): New function.
9598 (set_variable_part, delete_variable_part): Use it.
9599 (clobber_variable_part): New function.
9600 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9603 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9605 PR tree-optimization/26969
9606 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9607 with an empty list of PHIs.
9609 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9613 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9616 2006-08-06 Andreas Schwab <schwab@suse.de>
9618 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9619 string. Whitespace and comment fixup.
9621 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9624 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9628 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9631 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9633 2006-08-04 Jan Hubicka <jh@suse.cz>
9637 * reload.c (push_reload): Patch out the mismatching instruction;
9639 (find_reload): Bail out if the instruction was patched out.
9641 2006-08-04 Jan Hubicka <jh@suse.cz>
9643 PR tree-optimization/24888
9644 * tree-inline.c (expand_call_inline): Do not re-record variables.
9645 (declare_inline_vars): Add variable to unexpanded_var_list.
9647 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9648 Roger Sayle <roger@eyesopen.com>
9650 PR rtl-optimization/26244
9651 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9652 inner_const are negative or greater than or equal to the bitsize of
9653 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9654 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9655 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9656 CONST0_RTX (mode) when the new shift count is greater than or equal to
9657 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9660 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9662 * tree-cfg.c: Fix a comment typo.
9664 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9667 * varasm.c (output_constant): Give the front end another chance to
9668 expand constants, after stripping NOPs.
9670 2006-08-03 Jan Hubicka <jh@suse.cz>
9672 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9675 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9677 PR tree-optimization/27770
9678 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9679 declaration removed (moved to tree-flow.h).
9680 (vect_can_force_dr_alignment_p): Likewise.
9681 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9682 (moved from tree-vectorizer.h).
9683 (vect_can_force_dr_alignment_p): Likewise.
9684 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9685 from outside the vectorizer - in particular from cgraph stage.
9686 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9687 the alignment of global arrays when -fsection-anchors is enabled.
9688 * cgraphunit.c (cgraph_increase_alignment): New function.
9689 (cgraph_optimize): Call cgraph_increase_alignment.
9691 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9694 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9695 not reload a SPE symbol_ref into a lo_sum address.
9697 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9700 * dwarf2out.c (prune_unused_types_prune): Move call to
9701 prune_unused_types_update_strings to cover the parent DIE also.
9703 2006-08-02 Jan Hubicka <jh@suse.cz>
9705 PR gcov/profile/28480
9706 * tree-cfg.c (change_bb_for_stmt): New function.
9707 (tree_merge_blocks, tree_split_blocks): Use it.
9709 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9715 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9716 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9717 (cgraph_optimize): Likewise.
9719 2006-08-01 Stuart Hastings <stuart@apple.com>
9721 * rtl.h (UINTVAL) New.
9722 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9723 * testsuite/gcc.dg/20060801-1.c: New.
9725 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9728 * c-typeck.c (build_external_type): Mark used enum types.
9729 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9731 (gen_subprogram_die): Whitespace fix.
9733 2006-08-01 Jan Hubicka <jh@suse.cz>
9735 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9736 bitmap when not needed.
9737 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9740 2006-08-01 Dirk Mueller <dmueller@suse.de>
9742 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9744 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9746 * Makefile.in: Revert part of previous patch:
9747 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9750 2006-07-30 Eric Christopher <echristo@apple.com>
9753 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9754 (PowerPC Variable Attributes): New section.
9756 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9758 PR target/28126 (partial fix)
9759 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9761 2006-07-28 Jan Hubicka <jh@suse.cz>
9763 PR rtl-optimization/28071
9764 * cfgrtl.c (rtl_delete_block): Free regsets.
9765 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9767 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9769 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9770 and variables used in dependencies.
9772 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9774 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9775 %fs for -mcmodel=kernel.
9776 (stack_tls_protect_test_di): Likewise.
9778 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9780 * Makefile.in: Use mkinstalldirs.
9782 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9785 * opts-common.c (prune_options): Skip joined switches.
9787 2006-07-27 Jan Hubicka <jh@suse.cz>
9789 PR rtl-optimization/28071
9790 * cselib.c (cselib_process_insn): Don't remove useless values too
9791 often for very large hashtables.
9793 2006-07-27 Jan Hubicka <jh@suse.cz>
9795 PR rtl-optimization/28071
9796 * global.c (greg_obstack): New obstack.
9797 (allocate_bb_info): Use it.
9798 (free_bb_info): Likewise.
9799 (modify_reg_pav): Likewise.
9801 2006-07-27 Roger Sayle <roger@eyesopen.com>
9803 * builtins.c (fold_fixed_mathfn): When long and long long are the
9804 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9805 functions to their lceil*, lfloor*, lround* and lrint* forms.
9807 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9810 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9812 (rev_branch_insn): Likewise.
9814 2006-07-27 Jan Hubicka <jh@suse.cz>
9816 PR rtl-optimization/28071
9817 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9818 (reg_set_in_bb, max_reg_computed): New static variables.
9819 (regmove_optimize): Free the new array.
9820 (fixup_match_1): Update call of reg_is_remote_constant_p.
9822 2006-07-26 Jan Hubicka <jh@suse.cz>
9824 PR tree-optimization/27882
9825 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9827 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9829 (cgraph_analyze_compilation_unit): Likewise.
9830 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9831 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9832 (cgraph_early_inlinine): Make order garbage collected.
9833 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9835 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9837 * dbxout.c (output_types_sort): Add a comment.
9838 (output_used_types): Free the VEC.
9840 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9842 * function.c (reorder_fix_fragments): Delete.
9843 (reorder_blocks): Don't call it.
9844 (reorder_blocks_1): Put all subblocks under the origin block.
9846 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9848 PR rtl-optimization/27907
9849 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9852 2006-07-25 Roger Sayle <roger@eyesopen.com>
9855 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9856 bar(x) check that bar's result type can represent all the values of T.
9858 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9860 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9862 2006-07-25 Nick Clifton <nickc@redhat.com>
9864 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9865 size_lookup[] array.
9866 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9867 (ggc_pch_count_object): Likewise.
9868 (ggc_pch_alloc_object): Likewise.
9869 (ggc_pch_write_object): Likewise.
9870 (init_ggc): Do not attempt to initialize entries in the
9871 size_lookup[] array for objects whose size is greater than than
9872 the length of the array.
9874 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9876 * dbxout.c (output_used_types_helper): Push queued types
9878 (output_types_sort): New.
9879 (output_used_types): Collect used types on a VEC and sort them
9882 2006-07-24 Richard Guenther <rguenther@suse.de>
9885 * cgraph.c (cgraph_remove_node): Do not check if dumps
9887 * cgraphunit.c (cgraph_optimize): Likewise.
9889 2006-07-24 Jan Hubicka <jh@suse.cz>
9891 PR rtl-optimization/28071
9892 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9893 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9894 splitting before first stmt.
9896 2006-07-24 Jan Hubicka <jh@suse.cz>
9898 PR rtl-optimization/28071
9899 * ipa-inline.c (update_caller_keys): Remove edges that
9900 are no longer inline candidates.
9902 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9905 * dbxout.c (output_used_types_helper, output_used_types): New.
9906 (dbxout_symbol): Call output_used_types.
9908 2006-07-23 Jan Hubicka <jh@suse.cz>
9912 * cgraph.c (cgraph_varpool_nodes): Export.
9913 (decide_is_variable_needed): Ignored "used" attribute in
9914 unit-at-a-time mode.
9915 * cgraph.h (cgraph_varpool_nodes): Declare.
9916 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9917 unit-at-a-time mode.
9919 2006-07-23 Roger Sayle <roger@eyesopen.com>
9922 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9923 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9924 the __gthrw form of thr_keycreate.
9925 (__gthread_key_delete): Silence the unused argument warning.
9927 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9930 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9931 Cache the last found '\0' marker to avoid quadratic behavior.
9933 2006-07-23 Jan Hubicka <jh@suse.cz>
9935 * i386.md (subsi_3_zext): Fix output template.
9937 2006-07-21 Mike Stump <mrs@apple.com>
9939 * doc/invoke.texi (C++ Dialect Options): Note that
9940 -fvisibility-inlines-hidden doesn't affect explicitly
9941 instantiationed inline methods.
9943 2006-07-20 Roger Sayle <roger@eyesopen.com>
9945 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9946 if the target assembler is GNU binutils' gas.
9947 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9948 whether to pass GNU gas or native as command line options.
9950 2006-07-20 Jason Merrill <jason@redhat.com>
9952 * tree.c (remove_attribute): New fn.
9953 * tree.h: Declare it.
9955 2006-07-20 Paul Brook <paul@codesourcery.com>
9958 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9959 they are invalidated by this instruction.
9961 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9964 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9966 2006-07-20 Eric Christopher <echristo@apple.com>
9969 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9971 2006-07-19 Eric Christopher <echristo@apple.com>
9973 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9974 Rewrite dependencies for libgcc_s.1.dylib.
9976 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9978 * except.c (duplicate_eh_regions_1): Clear next_peer.
9980 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9982 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9983 -mlongcall does not guarantee all calls will be long.
9984 * doc/extend.texi (long_call/short_call): Document that longcall
9985 does not guarantee a long call will be used.
9986 (longcall/shortcall): Likewise.
9988 2006-07-18 Roger Sayle <roger@eyesopen.com>
9991 * expmed.c (expand_shift): Additionally check that the shift_cost
9992 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9993 before implementing a LSHIFT_EXPR as a sequence of additions.
9994 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9995 middle-end that DImode shifts need to be synthesized by expand.
9997 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10000 * tree-ssa-operands.c (access_can_touch_variable): Update
10002 Return true if ALIAS is .GLOBAL_VAR.
10004 2006-07-18 David Daney <ddaney@avtrex.com>
10006 * gcc.c (display_help): Fix typo in help text.
10008 2006-07-18 Olivier Hainque <hainque@adacore.com>
10010 * tree.h (categorize_ctor_elements): Adjust prototype and add
10011 descriptive comment, both in accordance with the interface change
10013 * varasm.c (constructor_static_from_elts_p): New function.
10014 Whether a constructor node is a valid static constant initializer
10015 if all its elements are.
10016 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10017 * output.h: Declare it.
10018 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10019 is a valid constant initializer instead of computing the number of
10020 non-constant elements. Use constructor_static_from_elts_p for this
10021 purpose. Replace the head comment with an indication that this is a
10022 helper for categorize_ctor_elements.
10023 (categorize_ctor_elements): Same interface change as for the _1
10024 helper. Former head comment from this helper moved here, adjusted to
10025 account for the interface changes.
10026 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10027 (all_zeros_p): Likewise.
10028 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10029 static versions of the constructor from the categorize_ctor_elements
10030 return value instead of the formerly computed number of non-constant
10033 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10035 * configure: Regenerate.
10036 * Makefile.in (build_libsubdir): New configure substitution
10037 (build_libobjdir): New variable.
10038 (BUILD_LIBIBERTY): Use it.
10040 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10043 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10045 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10048 * c-common.c (handle_weakref_attribute): Ignore attribute in
10049 the same conditions the alias attribute is ignored.
10051 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10053 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10054 (dbxout_begin_prologue): Increment scope_labelno.
10056 2006-07-17 Richard Henderson <rth@redhat.com>
10059 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10062 2006-07-17 Roger Sayle <roger@eyesopen.com>
10063 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10065 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10066 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10067 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10068 functions such as sbrk, write, etc.. Add function prototypes.
10069 Convert function declarations from K&R to ISO C. Cast pointers
10070 to "long" and "unsigned long" instead of "int" and "unsigned int".
10071 Convert tokens following #endif into comments.
10073 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10075 * invoke.texi: Remove mention of f77; Reformat table for
10076 inline parameter options correctly; mention that -malign-double
10077 is default on x86-64 targets.
10079 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10081 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10082 (convert_affine_scev, chrec_convert_aggressive): Use
10083 avoid_arithmetics_in_type_p. Do not check for the subtypes
10086 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10088 PR middle-end/28403
10089 * optabs.c (expand_doubleword_shift): Wrap the call to
10090 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10092 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10094 PR middle-end/28402
10095 * optabs.c (expand_binop): Pass next_methods rather than methods
10096 to expand_doubleword_shift.
10098 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10101 * tree.h (dump_addr): Declare.
10102 * print-tree.c (dump_addr): New function.
10103 (print_node_brief, print_node): Use it.
10104 * print-rtl.c (print_rtx): Likewise.
10105 * common.opt (-fdump-noaddr): New option.
10106 * doc/invoke.texi (-fdump-noaddr): Document.
10107 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10108 (ve_info_hash): Likewise.
10110 2006-07-13 Andrew Haley <aph@redhat.com>
10112 PR tree-optimization/19505
10113 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10114 edge leaving this block, make sure that the destination of this
10115 block has only one predecessor.
10117 2006-07-17 Richard Guenther <rguenther@suse.de>
10119 PR tree-optimization/28238
10120 * tree-inline.c (copy_bb): Check if we produced valid
10121 gimple copying and substituting a stmt. If not, gimplify
10124 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10126 * optabs.c (maybe_encapsulate_block): New function extracted from...
10127 (emit_libcall_block): ...here. Invoke it on the block of insns to
10128 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10129 (emit_no_conflict_block): Likewise.
10131 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10133 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10135 2006-07-15 Roger Sayle <roger@eyesopen.com>
10137 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10138 a new NOP_EXPR case of the switch statement.
10140 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10142 PR middle-end/28160
10143 * stor-layout.c (place_field): Take the bit field with
10144 an excessive size into account in the ms-bitfiled case.
10146 PR middle-end/28161
10147 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10148 the previous bit field.
10150 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10153 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10155 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10157 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10158 signal frames correctly even when the signal was installed with
10161 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10163 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10164 (dbxout_function_end): Use local label LFBB. Remove hook
10166 (dbxout_source_line): Use local label LFBB.
10167 (dbxout_block): Likewise.
10168 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10169 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10170 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10171 and DBX_OUTPUT_NFUN.
10173 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10175 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10177 2006-07-13 Jan Hubicka <jh@suse.cz>
10179 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10181 * output.h (align_variable): Declare.
10182 * varasm.c (align_variable): Export.
10183 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10184 when basic block changed.
10186 2006-07-13 Nick Clifton <nickc@redhat.com>
10188 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10189 walking the LOG_LINKS chain.
10191 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10193 * doc/invoke.texi (C++ Dialect Options): Explain difference
10194 between -fvisibility-inlines-hidden and setting hidden
10195 visibility explicitly.
10197 2006-07-12 Eric Christopher <echristo@apple.com>
10199 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10200 (stmp-lipo): Depend on libgcc.a.
10202 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10204 * tree.c: Fix a comment typo.
10206 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10208 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10210 (umulhisi3_r): Likewise.
10212 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10215 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10216 x < 19, vs wchar_t support.
10218 2006-07-12 Nick Clifton <nickc@redhat.com>
10220 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10221 instead of -isa=sh4.
10223 2006-07-12 Mike Stump <mrs@apple.com>
10225 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10227 2006-07-10 Eric Christopher <echristo@apple.com>
10229 * config/t-slibgcc-darwin: Rewrite.
10231 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10234 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10237 2006-07-08 Matthias Klose <doko@debian.org>
10239 * doc/sourcebuild.texi: Fix typo.
10241 2006-07-07 Mike Stump <mrs@apple.com>
10243 * toplev.c (process_options): Don't give -ffunction-sections may
10244 affect debugging warning for Mach-O.
10246 2006-07-07 James E Wilson <wilson@specifix.com>
10248 * config/mips/mips.md (cpu): Add sb1a.
10249 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10250 addition to sb1. Adjust comments to clarify SB-1A differences from
10252 (ir_sb1a_load): New. Modify bypasses to use it.
10253 (ir_sb1a_simple_alu): Likewise.
10254 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10255 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10256 (mips_issue_rate): Add PROCESSOR_SB1A.
10257 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10258 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10259 (TARGET_SB1): Add PROCESSOR_SB1A check.
10260 (TUNE_SB1): Likewise.
10262 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10263 * config/mips/mips.c (mips_store_data_bypass_p): New.
10264 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10265 store_data_bypass_p.
10267 2006-07-08 Paul Brook <paul@codesourcery.com>
10270 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10272 2006-07-07 Richard Guenther <rguenther@suse.de>
10274 PR middle-end/28268
10275 * tree.h (build_one_cst): Declare.
10276 * tree.c (build_one_cst): New function.
10277 * tree-ssa-math-opts.c (get_constant_one): Remove.
10278 (insert_reciprocals): Use build_one_cst.
10279 * fold-const.c (fold_plusminus_mult): Likewise.
10281 2006-07-07 Roger Sayle <roger@eyesopen.com>
10283 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10284 * cfgloopanal.c (dump_graph): Likewise.
10285 * dojump.c (discard_pending_stack_adjust): Likewise.
10286 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10288 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10289 * function.c (finalize_block_changes): Likewise.
10290 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10291 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10292 * rtl.c (dump_rtx_statistics): Likewise.
10293 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10295 * varray.c (dump_varray_statistics): Likewise.
10296 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10297 decode_decimal64, encode_decimal128, decode_decimal128,
10298 decimal_real_to_decimal): Likewise.
10300 2006-07-07 Richard Guenther <rguenther@suse.de>
10302 PR tree-optimization/28187
10303 * tree-vrp.c (vrp_operand_equal_p): New function.
10304 (vrp_bitmap_equal_p): Likewise.
10305 (update_value_range): Use them to compare old and new
10306 max and min values.
10308 2006-07-06 Roger Sayle <roger@eyesopen.com>
10310 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10311 a default case to switch statement to silence compiler warnings.
10313 2006-07-06 Roger Sayle <roger@eyesopen.com>
10316 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10317 the configured assembler supports the x87's ffreep mnemonic.
10318 * configure: Regenerate.
10319 * config.in: Regenerate.
10321 * config/i386/i386.c (output_387_ffreep): New function.
10322 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10323 (output_387_reg_move): Likewise.
10325 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10327 Port to hosts whose 'sort' and 'tail' implementations
10328 treat operands with leading '+' as file names, as POSIX
10329 has required since 2001. However, make sure the code still
10330 works on pre-POSIX hosts.
10331 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10332 which says you should use "tail -c +N" rather than "tail +Nc".
10333 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10335 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10337 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10340 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10343 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10344 PRE_{INC,DEC} of TFmode.
10346 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10347 Alan Modra <amodra@bigpond.net.au>
10350 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10353 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10356 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10357 Remove duplicate gtu.
10359 2006-07-05 Jason Merrill <jason@redhat.com>
10363 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10364 * c-common.c (handle_packed_attribute): So don't copy it here.
10365 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10367 2006-07-05 Mike Stump <mrs@apple.com>
10369 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10371 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10374 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10376 2006-07-05 Richard Guenther <rguenther@suse.de>
10379 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10380 TARGET_SSE2 targets if using SSE math.
10381 (*absdf2_1): Likewise.
10383 2006-07-05 Richard Guenther <rguenther@suse.de>
10385 PR tree-optimization/28162
10386 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10387 make sure to convert the operands to the correct type.
10389 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10391 PR tree-optimization/28218
10393 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10394 to calculate and free the dominator information.
10396 2006-07-04 Peter O'Gorman <peter@pogma.com>
10398 * mklibgcc.in: chmod 644 before ranlib during install.
10400 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10401 J"orn Rennecke <joern.rennecke@st.com>
10403 * configure.ac (.eh_frame data check): Use diff -b.
10405 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10408 * Makefile.in (BUILD_RTL): Add build/vec.o.
10409 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10410 (build/genextract): Delete.
10411 (build/genautomata): Likewise.
10413 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10416 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10417 128-bit IBM long doubles for ABI_V4.
10419 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10421 * tree.c (range_in_array_bounds_p): New predicate.
10422 * tree.h (range_in_array_bounds_p): Declare it.
10423 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10424 return a less conservative answer.
10425 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10426 and flag 'is_group'.
10427 (IS_ELEMENT_FOR_GROUP): New macro.
10428 (FOR_EACH_ACTUAL_CHILD): Likewise.
10429 (next_child_for_group): New helper function.
10430 (can_completely_scalarize_p): Take into account groups.
10431 (sra_hash_tree): Handle RANGE_EXPR.
10432 (sra_elt_eq): Likewise.
10433 (lookup_element): Be prepared for handling groups.
10434 (is_valid_const_index): Delete.
10435 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10436 instead of is_valid_const_index.
10437 <ARRAY_RANGE_REF>: New case.
10438 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10439 is_valid_const_index.
10440 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10441 (scan_dump): Dump info for groups too.
10442 (decide_instantiation_1): Likewise.
10443 (decide_block_copy): Assert that the element is not a group.
10444 Propagate decision to groups.
10445 (generate_one_element_ref): Handle RANGE_EXPR.
10446 (mark_no_warning): Iterate over actual childs.
10447 (generate_copy_inout): Likewise.
10448 (generate_element_copy): Likewise.
10449 (generate_element_zero): Likewise.
10450 (generate_element_init_1): Likewise.
10451 (dump_sra_elt_name): Handle RANGE_EXPR.
10453 2006-07-03 Roger Sayle <roger@eyesopen.com>
10455 PR tree-optimization/26251
10456 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10457 (thread_block): When optimizing for size refuse to thread jumps
10458 that would require duplication of blocks other than redirection
10461 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10463 * configure.ac: Fix thinko in previous check-in.
10464 * configure: Regenerate.
10466 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10469 * configure.ac (for lang...): Simplify nesting of conditionals.
10470 Test subdir_requires for non-enabled languages. Move processing
10471 of lang_opt_files and lang_tree_fiels below that test.
10472 * configure: Regenerate.
10473 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10475 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10477 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10479 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10481 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10484 2006-06-29 Jason Merrill <jason@redhat.com>
10491 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10492 * c-common.c (c_determine_visibility): Handle it here.
10493 * c-decl.c (finish_decl): Call c_determine_visibility for
10495 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10496 * tree.h: Likewise.
10497 * varasm.c (default_assemble_visibility): Likewise.
10498 * c-common.c (handle_visibility_attribute): Complain about trying
10499 to give visibility to an already defined class, or trying to change
10500 declared visibility. Always attach the attribute.
10505 * attribs.c (decl_attributes): Ignore type-in-place attributes
10506 once the type has been defined.
10508 2006-06-29 Roger Sayle <roger@eyesopen.com>
10510 PR middle-end/27428
10511 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10512 to indicate the cpplib has issued an error message for us.
10514 2006-06-29 Asher Langton <langton2@llnl.gov>
10517 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10518 insert a label at the end of an function under Mach-O.
10520 2006-06-29 Eric Christopher <echristo@apple.com>
10521 Evan Cheng <evan.cheng@apple.com>
10523 * predicates.md (vector_all_ones_operand): New.
10524 (nonimmediate_or_sse_const_operand): Ditto.
10525 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10526 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10527 (standard_sse_mode_p): Ditto.
10528 (standard_sse_constant_p): Add case for -1 vector.
10529 (ix86_expand_vector_move): Try to use.
10530 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10531 Call standard_sse_constant_opcode.
10532 (*movv4sf_internal): Ditto.
10533 (*movv2df_internal): Ditto.
10535 2006-06-29 Roger Sayle <roger@eyesopen.com>
10537 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10538 of XEXP to extract the operands of a MATCH_CODE rtx.
10540 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10542 * tree.c (tree_size): Do not waste tail padding in
10543 struct tree_string and make the size be the same as
10544 build_string will generate.
10546 2006-06-28 Jason Merrill <jason@redhat.com>
10549 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10550 may_aliases already in the tag's annotations to the bitmap.
10552 2006-06-28 Roger Sayle <roger@eyesopen.com>
10554 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10556 2006-06-28 Roger Sayle <roger@eyesopen.com>
10558 * genpreds.c (generate_switch_p): New function.
10559 (add_mode_tests): Push the new mode test down inside an AND expr
10560 if this allows the switch-suitable MATCH_CODE to be near the root.
10561 (write_match_code_switch): New function to write a MATCH_CODE as
10562 a switch statement.
10563 (write_predicate_stmts): New function to write a predicate RTX
10564 expression as a sequence of statements.
10565 (write_one_predicate_function): Use write_predicate_stmts.
10566 (write_tm_constrs_h): Likewise.
10568 2006-06-26 Fred Fish <fnf@specifix.com>
10570 * config/mips/t-sb1: New file.
10571 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10574 2006-06-26 DJ Delorie <dj@redhat.com>
10576 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10578 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10579 Jayant Sonar <jayants@kpitcummins.com>
10580 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10582 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10583 (subsi3, subsi3_1, subsi3_2): New.
10584 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10585 * config/m32c/mov.md (SI mov peephole): New.
10586 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10587 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10589 2006-06-26 Olivier Hainque <hainque@adacore.com>
10591 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10592 a CALL_EXPR target function declaration.
10594 2006-06-26 Richard Guenther <rguenther@suse.de>
10596 * tree.c (build_string): Do not waste tail padding in
10597 struct tree_string.
10599 2006-06-26 Richard Guenther <rguenther@suse.de>
10601 * ggc-page.c (init_ggc): Add missing element to size_lookup
10605 2006-06-23 Richard Guenther <rguenther@suse.de>
10607 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10608 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10609 alignment requests instead. Add verification code.
10610 Add struct tree_function_decl and struct tree_binfo size to
10611 extra_order_size_table. Add missing element to size_lookup
10614 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10616 PR middle-end/28151
10617 * fold-const.c (const_binop): Be prepared for self returning zero.
10618 Simplify code handling complex values.
10620 2006-06-24 Olivier Hainque <hainque@adacore.com>
10622 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10623 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10626 2006-06-24 Olivier Hainque <hainque@adacore.com>
10628 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10629 ARRAY_REF, so have the callback called for the low bound expression.
10631 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10633 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10634 * c-typeck.c (c_common_type): Disallow operations on decimal float
10635 types and other float types.
10636 * convert.c (convert_to_real): Don't ignore conversions involving
10637 decimal float types.
10639 2006-06-23 Olivier Hainque <hainque@adacore.com>
10641 * tree.c (max_int_size_in_bytes): New function, inspired from
10642 code in function.c:assign_temp.
10643 * tree.h (max_int_size_in_bytes): Declare.
10644 * function.c (assign_temp): Use it.
10645 * gimplify.c (create_tmp_var): Relax the assertions on the type
10646 properties, not mandating constant size any more.
10647 (force_constant_size): New static function.
10648 (gimple_add_tmp_var): Use it, forcing variable size to a
10649 constant upper bound if it is not constant on entry.
10651 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10654 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10655 for initialization and setting of one_only flag to ...
10656 (i386_pe_encode_section_info): ...here.
10657 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10658 Recheck that the symbol has not been defined.
10660 2006-06-23 Richard Guenther <rguenther@suse.de>
10662 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10663 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10664 alignment requests instead. Add verification code.
10665 Add struct tree_function_decl and struct tree_binfo size to
10666 extra_order_size_table. Add missing element to size_lookup
10669 2006-06-22 Roger Sayle <roger@eyesopen.com>
10670 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10672 PR middle-end/28131
10673 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10674 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10676 2006-06-23 Ben Elliston <bje@au.ibm.com>
10678 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10679 negate dn -- manipulate it directly.
10681 2006-06-22 Roger Sayle <roger@eyesopen.com>
10682 Steven Bosscher <stevenb.gcc@gmail.com>
10685 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10686 generated by gen_move_insn to add REG_LABEL notes if necessary.
10688 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10690 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10691 (leaf_entry): Remove use of MIN_ESA.
10693 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10695 PR rtl-optimization/28121
10696 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10699 2006-06-21 DJ Delorie <dj@redhat.com>
10701 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10703 (mulhisi3_r): Likewise.
10705 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10707 PR middle-end/28034
10708 * coverage.c (coverage_counter_alloc): Leave the index type
10710 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10713 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10715 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10716 section from the "Options for Code Generation Conventions".
10718 2006-06-21 Richard Henderson <rth@redhat.com>
10722 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10724 (global_symbolic_operand): Allow weak symbols, even if local_p.
10726 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10728 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10729 (find_interesting_uses_address): Punt if above function returns true.
10731 2006-06-21 Richard Guenther <rguenther@suse.de>
10733 * configure: Regenerated.
10735 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10737 * config/mips/mips.c (function_arg): Where one part of a
10738 complex argument is in registers and the other part in the stack,
10739 return a REG not a PARALLEL.
10741 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10743 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10744 when cross-compiling. Do not substitute libstdcxx_incdir.
10745 * configure: Regenerated.
10747 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10749 * varasm.c (mergeable_string_section): Check for embedded NULs and
10750 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10751 rather than TREE_STRING_LENGTH bytes.
10753 2006-06-21 Richard Guenther <rguenther@suse.de>
10755 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10756 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10759 2006-06-21 Richrad Guenther <rguenther@suse.de>
10761 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10762 Limit iteration over the dominators.
10764 2006-06-20 Roger Sayle <roger@eyesopen.com>
10766 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10767 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10769 2006-06-20 Richard Guenther <rguenther@suse.de>
10770 Michael Matz <matz@suse.de>
10772 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10774 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10775 * et-forest.h (et_free_pools): Prototype new function.
10776 * et-forest.c (et_free_tree_force): Free parent occurrence.
10777 (et_free_pools): New function.
10778 * dominance.c (free_dominance_info): Free et-forest alloc
10781 2006-06-20 Roger Sayle <roger@eyesopen.com>
10783 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10784 integer modes, attempt to directly construct an integer constant.
10786 * fold-const.c (native_encode_vector): Determine the size of each
10787 element from the vector type instead of the first vector element.
10789 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10790 if all of its elements/components are constant.
10791 (build_constructor_from_list): Likewise.
10793 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10795 PR tree-optimization/27331
10796 * tree-data-ref.c (free_data_ref): New function.
10797 (create_data_ref): Fail if the data reference has unknown access
10799 (free_data_refs): Use free_data_ref.
10801 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10803 PR middle-end/28075
10804 * tree-inline.c (setup_one_parameter): Strip useless
10805 type conversion before adding it to the IR.
10806 (declare_return_variable): Likewise.
10808 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10811 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10813 2006-06-19 Mike Stump <mrs@apple.com>
10815 * tree.c (variably_modified_type_p): VM arguments don't make the
10818 2006-06-19 Richard Guenther <rguenther@suse.de>
10820 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10821 type conversions after folding.
10823 2006-06-19 Richard Guenther <rguenther@suse.de>
10825 * ggc-page.c (extra_order_size_tab): Add entries with
10826 size of struct function and basic_block.
10827 (size_lookup): Extend to cover sizes up to 511.
10828 (ggc_alloc_stat): Adjust user.
10829 (ggc_pch_count_object): Likewise.
10830 (ggc_pch_alloc_object): Likewise.
10831 (ggc_pch_write_object): Likewise.
10833 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10835 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10836 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10839 2006-06-19 Denis Chertykov <denisc@overta.ru>
10841 * config/avr/libgcc.S : Correct my wrong previous commit.
10843 2006-06-19 Roger Sayle <roger@eyesopen.com>
10846 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10847 have stripped a SUBREG from the shift count, so we may need to
10848 convert_to_mode back to the type's mode before calling make_tree.
10849 Use new_amount instead of amount to avoid expanding a tree twice.
10851 2006-06-19 Richard Guenther <rguenther@suse.de>
10853 PR middle-end/28045
10854 * fold-const.c (operand_equal_p): Check if the argument types
10855 have the same precision before stripping NOPs.
10857 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10859 Fix PR tree-optimization/27341
10860 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10862 * tree-complex.c (pass_lower_complex): Update SMT usage.
10864 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10866 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10867 Add a new alternative to the constraint strings. Add move of
10868 operand 1 to 3 to the splitter definition.
10869 ("doloop_si_long"): Second contraint alternative removed.
10871 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10873 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10874 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10876 (AVR_HAVE_MOVW) Define.
10877 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10878 (ASM_SPEC): Add avr25.
10879 (LINK_SPEC): Add avr25.
10880 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10881 (base_arch_s): Add new member 'have_movw_lpmx'.
10882 (avr_arch_types): Init 'have_movw_lpmx'.
10883 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10884 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10885 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10886 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10887 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10889 (avr_file_start): Do not output '.arh' derective.
10890 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10891 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10892 * config/avr/avr.md (mcu_enhanced): Delete.
10893 (mcu_have_movw): Define.
10894 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10895 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10896 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10897 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10898 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10899 attiny861 and at86rf401 devices.
10901 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10903 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10906 2006-06-17 Karl Berry <karl@gnu.org>
10908 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10909 doc/gccint.texi, doc/install.texi (@dircategory): Use
10910 "Software development" instead of "Programming", following
10911 the Free Software Directory.
10913 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10915 * config/i386/i386.c (legitimate_tls_address)
10916 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10917 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10918 (*tls_dynamic_gnu2_combine_64): Likewise.
10920 2006-06-16 Richard Guenther <rguenther@suse.de>
10922 PR middle-end/27116
10923 * fold-const.c (negate_expr_p): Do not introduce undefined
10924 overflow in negating INTEGER_CSTs.
10925 (fold_negate_expr): Rename from negate_expr. Revert last
10926 change for folding BIT_NOT_EXPR. Change semantics to
10927 return NULL_TREE for non-simplified negations. Do not
10928 strip type conversions and unify type handling.
10929 (negate_expr): New function, wrap around fold_negate_expr
10930 but ensure building a tree always. Strip type conversions
10931 here, fold to result type.
10932 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10934 2006-06-16 Roger Sayle <roger@eyesopen.com>
10936 PR middle-end/27802
10937 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10938 that (would) return their results in stack registers.
10940 2006-06-16 Michael Matz <matz@suse.de>
10941 Richard Guenther <rguenther@suse.de>
10943 * fold-const.c (fold_truthop): Only return new tree node if
10944 we canonicalized something.
10946 2006-06-16 Richard Guenther <rguenther@suse.de>
10948 * function.h (enum function_frequency): Move declaration
10949 out of struct function.
10950 (struct function): Move bool fields and the enum to the bitfield
10951 section. Reorder elements to avoid padding. Remove unused
10952 fields left over from the RTL inliner removal.
10953 * function.c (free_after_compilation): Do not zero removed fields.
10954 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10955 (ipa-type-escape.o): Likewise.
10957 2006-06-16 Richard Guenther <rguenther@suse.de>
10959 * cgraph.h (struct cgraph_local_info): Turn bool elements
10961 (struct cgraph_node): Likewise.
10962 (struct cgraph_varpool_node): Likewise.
10964 2006-06-15 Richard Guenther <rguenther@suse.de>
10966 * fold-const.c (fold_truth_not_expr): Rename from
10967 invert_truthvalue. Give it fold_* semantics to avoid
10968 generating garbage.
10969 (invert_truthvalue): New function. Wrapper around
10970 fold_truth_not_expr.
10971 (optimize_minmax_comparison): Avoid creating garbage.
10972 (fold_unary): Use fold_truth_not_expr for folding
10974 (fold_ternary): Replace uses of invert_truthvalue with
10975 fold_truth_not_expr where applicable.
10976 * tree.h (fold_truth_not_expr): Prototype.
10978 2006-06-16 Richard Guenther <rguenther@suse.de>
10980 PR tree-optimization/27781
10981 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10982 * ipa-pure-const.c (target.h): Include.
10983 (analyze_function): Do not analyze functions that do not
10986 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10988 PR middle-end/27793
10989 * tree-dfa.c (referenced_vars_dup_list): Remove.
10990 (find_referenced_vars): Remove assert.
10991 (referenced_var_check_and_insert): Replace dup list with assert.
10992 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10993 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10995 2006-06-15 Richard Guenther <rguenther@suse.de>
10997 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10998 extra unused identifiers if not dumping.
10999 (create_variable_info_for): Likewise.
11001 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11003 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11004 (derive_constant_upper_bound): Derive more precise upper bound in
11005 common cases. Return type changed to double_int.
11006 (record_estimate): Reflect the changed return type of
11007 derive_constant_upper_bound.
11008 * double-int.c (double_int_zext, double_int_sext): Fix.
11010 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11012 * configure.ac (CFLAGS): Get them from the toplevel or from the
11013 configure invocation.
11014 * configure: Regenerate.
11015 * Makefile.in (CFLAGS): Substitute value provided by configure.
11017 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11020 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11021 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11022 rather than calling add_stmt on it.
11023 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11025 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11027 PR middle-end/27959
11028 * reload1.c (reload): Remove registers returned by update_eliminables
11029 from used_spill_regs.
11031 2006-06-13 DJ Delorie <dj@redhat.com>
11033 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11035 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11037 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11038 html__strip_dir, html__mkdir_p. Enhance install-html target.
11039 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11040 * configure: Regenerate.
11042 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11044 * fold-const.c (fold_cond_expr_with_comparison): Check for
11045 Objective-C++ as language in deciding COND_EXPR transformation.
11047 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11050 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11051 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11052 * config/sh/lib1funcs.h (SL, SL1): Define.
11053 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11054 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11055 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11056 (OBJS_Os_4_200): New variable.
11057 ($(T)libgcc-Os-4-200.a): Use it.
11058 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11059 when dividing 1 and/or by 0.
11061 2006-06-13 Roger Sayle <roger@eyesopen.com>
11063 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11064 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11065 * configure: Regenerate.
11067 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11069 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11070 for real instruction.
11072 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11074 PR middle-end/26807
11075 * haifa-sched.c (check_cfg): Handle special case.
11077 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11080 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11081 Add debug_info parameter. Chain the vars to the BLOCK instead
11082 of the BIND_EXPR if debug info are requested for them.
11083 (pop_gimplify_context): Adjust for above change.
11084 (gimple_add_tmp_var): Likewise.
11085 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11086 Add bool parameter.
11087 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11088 (convert_local_reference): Likewise.
11089 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11090 (finalize_nesting_tree_1): Request that debug info be emitted
11091 for debug_var_chain.
11093 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11095 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11096 for PR target/27863.
11098 2006-06-13 Richard Guenther <rguenther@suse.de>
11100 PR middle-end/27536
11101 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11103 2006-06-13 Richard Guenther <rguenther@suse.de>
11105 PR tree-optimization/27830
11106 * tree-inline.c (copy_body_r): For copying the operand
11107 of an ADDR_EXPR make sure to fold &* afterwards.
11109 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11111 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11112 lvalues in the fb_none case with side-effects.
11114 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11116 * tree-flow.h: Remove the prototype for
11117 compute_phi_arg_on_exit.
11118 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11119 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11122 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11124 * builtins.c (expand_builtin_return_addr): Only use
11125 frame_pointer_rtx when count == 0 and we are expanding
11126 __builtin_return_address.
11128 2006-06-12 Fred Fish <fnf@specifix.com>
11130 * config/mips/mips.c (mips_file_start): Create special section
11131 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11133 2006-06-11 Eric Christopher <echristo@apple.com>
11135 PR middle-end/27948
11136 * stor-layout.c (place_field): Remove check for
11137 remaining_in_alignment when aligning at the end of a run.
11139 2006-06-11 Eric Christopher <echristo@apple.com>
11142 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11145 2006-06-11 Roger Sayle <roger@eyesopen.com>
11148 Revert incorrect fix for PR target/27158
11149 2006-05-08 Roger Sayle <roger@eyesopen.com>
11150 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11151 of a reg_equiv_constant if the result is a legitimate constant.
11153 2006-06-11 Roger Sayle <roger@eyesopen.com>
11156 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11157 extract a CONST_VECTOR element and interpret it as an integer.
11158 (vspltis_constant): Use const_vector_elt_as_int instead of the
11159 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11160 * config/rs6000/predicates.md (easy_vector_const): Consider
11161 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11163 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11165 PR middle-end/27942
11166 * stor-layout.c (update_alignment_for_field): Don't add extra
11167 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11170 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11172 * config/mips/t-rtems: Add EL/EB multilib variants.
11174 2006-06-09 Mike Stump <mrs@apple.com>
11176 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11178 2006-06-09 David Daney <ddaney@avtrex.com>
11180 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11182 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11184 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11186 2006-06-09 Richard Guenther <rguenther@suse.de>
11188 PR tree-optimization/26998
11189 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11190 of signed types, only TYPE_MIN_VALUE is special, but for both,
11191 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11192 in this case, as is -fwrapv.
11194 2006-06-08 Mike Stump <mrs@apple.com>
11197 * config/darwin.c (darwin_asm_output_anchor): Disable
11198 -fsection-anchors on darwin for now.
11199 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11200 * rs6000/rs6000.c (optimization_options): Likewise.
11202 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11205 * config/i386/i386.c (classify_argument): Skip fields with invalid
11208 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11210 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11211 (cse_insn): Likewise for the stack_pointer_rtx.
11213 2006-06-08 Roger Sayle <roger@eyesopen.com>
11215 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11216 conditions from floating point comparisons.
11218 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11220 PR middle-end/27733
11221 * expmed.c (struct alg_hash_entry): Fix type of field T
11222 to match synth_mult argument.
11223 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11225 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11228 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11231 2006-06-08 Richard Guenther <rguenther@suse.de>
11233 PR middle-end/27116
11234 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11235 only, if overflow is defined and not trapping.
11236 (negate_expr): Likewise.
11238 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11240 PR tree-optimization/27872
11241 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11242 flag on the new exit edge of the unrolled loop.
11244 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11246 PR rtl-optimization/26449
11247 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11249 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11251 PR middle-end/27793
11252 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11253 referenced_variables with matching DECL_UID's.
11254 (find_referenced_vars): Make sure duplicate list is empty to start.
11255 (referenced_var_p): Remove.
11256 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11257 Check if var is in the list, and add if needed. Update the duplicate
11258 list if a different var is in the list with the same DECL_UID.
11259 (add_referenced_var): Call routine to check and insert.
11260 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11261 * tree-flow.h (referenced_vars_dup_list): External declaration.
11263 2006-06-07 Fred Fish <fnf@specifix.com>
11265 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11268 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11271 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11272 the imaginary and real parts of a clobbered register.
11273 Emit insn to set the imaginary part.
11275 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11277 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11278 in lieu of unwind-dw2-fde.c.
11280 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11282 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11284 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11287 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11288 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11289 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11290 V4SImode temporaries and operations instead.
11292 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11294 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11297 2006-06-06 Mike Stump <mrs@apple.com>
11299 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11300 installing during build.
11302 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11304 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11306 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11307 * config/ia64/ia64.c (params.h): New header.
11308 (ia64_optimization_options): New function to adjust parameters.
11309 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11310 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11311 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11313 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11315 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11317 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11320 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11322 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11323 Victor Kaplansky <victork@il.ibm.com>
11325 PR tree-optimization/26360
11326 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11329 2006-06-04 Roger Sayle <roger@eyesopen.com>
11330 Andrew Pinski <pinskia@physics.uc.edu>
11332 PR middle-end/27382
11333 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11334 for LABEL_DECL before calling DECL_WEAK.
11337 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11338 LABEL_DECL and PARM_DECL.
11340 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11344 * c-decl.c (grokdeclarator): Disallow variably modified types at
11345 file scope. Avoid marking shared array type of constant size as
11348 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11351 * c-common.c (fold_offsetof_1): Handle static members.
11353 2006-06-04 Eric Christopher <echristo@apple.com>
11355 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11356 (debug_rli): Output value for remaining_in_alignment.
11357 (update_alignment_for_field): Unconditionalize
11358 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11359 extra alignment code.
11360 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11361 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11362 * tree.h (record_layout_info_s): Remove prev_packed.
11363 * doc/extend.texi (ms_struct): Add documentation of format.
11365 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11367 * tree.h: Declare folding_initializer.
11368 * builtins.c (fold_builtin_constant_p): Give definite answer
11369 if folding inside an initializer.
11370 * fold-const.c: Define folding_initializer.
11371 (START_FOLD_INIT): Save and then set folding_initializer.
11372 (END_FOLD_INIT): Restore folding_initializer.
11374 2006-06-04 Richard Guenther <rguenther@suse.de>
11376 PR tree-optimization/27039
11377 * fold-const.c (fold_comparison): Handle pointer comparison
11378 again for all comparison codes. Compare offsets in signed
11380 (fold_binary): Move code from here.
11382 2006-06-03 Roger Sayle <roger@eyesopen.com>
11385 * config/i386/i386.c (construct_container): Split static issued_error
11386 flag into issued_sse_arg_error, issued_sse_ret_error and
11387 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11388 requires the use of x87 registers and the user explicitly
11389 specified the -mno-80387 command line option.
11391 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11393 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11394 HAVE_DECL_SIGALTSTACK.
11396 (segv_handler): Use MC_FLD.
11397 * configure.ac: Check for a sigaltstack declaration.
11398 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11399 * configure: Regenerate.
11400 * config.in: Regenerate.
11402 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11405 * Makefile.in (stmp-fixinc): Fix typo.
11407 2006-06-02 Roger Sayle <roger@eyesopen.com>
11409 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11410 are type correct. Clean-up.
11411 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11412 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11414 2006-06-01 DJ Delorie <dj@redhat.com>
11416 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11417 shift, as we've disabled the "switch" insn that needs it.
11419 2006-06-01 Per Bothner <bothner@bothner.com>
11421 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11422 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11423 * c-ppoutput.c (cb_define): Don't increment line 0.
11425 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11427 * doc/invoke.texi: Add cpu_type power6.
11428 * config.gcc: Add cpu_type power6.
11429 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11430 to power5+ with Altivec.
11431 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11432 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11434 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11436 * config/avr/avr.h (SET_ASM_OP): Define.
11438 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11440 * config/bfin/bfin.c: Fix comment typos.
11442 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11445 * doc/install.texi: Document --enable-bootstrap and
11446 --disable-bootstrap.
11448 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11450 * doc/install.texi: Document that InfoZIP can replace jar.
11452 2006-05-31 Roger Sayle <roger@eyesopen.com>
11454 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11455 isn't available, directly generate the simpler x87 patterns without
11456 the (use (const_int 0)).
11457 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11458 implementation isn't available.
11459 (*negdf2_1): Likewise.
11460 (*negxf2_1): XF mode negation is always done using the x87.
11461 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11463 2006-05-31 Roger Sayle <roger@eyesopen.com>
11465 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11466 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11468 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11470 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11472 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11473 * config/bfin/bfin.c (basic-block.h): Include.
11474 (struct machine_function): New.
11475 (bfin_init_machine_status): New.
11476 (override_options): Initialize init_machine_status.
11477 (bfin_hardware_loop): New.
11478 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11479 (DEF_VEC_P (loop_info)): New.
11480 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11481 (struct loop_info): New.
11482 (loop_info): New typedef.
11483 (struct loop_work): New.
11484 (loop_work): New typedef.
11485 (DEF_VEC_O (loop_work)): New.
11486 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11487 (bfin_dump_loops): New.
11488 (bfin_bb_in_loop): New.
11489 (bfin_scan_loop): New.
11490 (bfin_optimize_loop): New.
11491 (bfin_reorg_loops): New.
11492 (bfin_reorg): Use bfin_reorg_loops.
11493 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11495 (I_REGNO_P): Simplify.
11496 (DP_REGNO_P, DPREG_P): New macros.
11497 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11498 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11499 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11500 Add LT_REGS, LC_REGS, LB_REGS.
11501 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11503 (REGNO_REG_CLASS): Deal with loop registers.
11504 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11506 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11507 New constants for loop registers.
11508 (UNSPEC_LSETUP_END): New.
11509 (seq_insns): New define_attr. Set it for appropriate insns.
11510 (movsi_insn): Add alternatives for move from/to
11511 loop count registers.
11512 (doloop_end): New define_expand.
11513 (loop_end): New define_insn.
11514 (define_split for bad doloop_end): New.
11515 (lsetup_with_autoinit): New define_insn.
11516 (lsetup_without_autoinit): New define_insn.
11517 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11518 * config/bfin/predicates.md (lc_register_operand): New.
11519 (lt_register_operand): New.
11520 (lb_register_operand): New.
11521 (nondp_register_operand): New.
11522 (nondp_reg_or_memory_operand): New.
11523 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11525 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11527 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11528 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11530 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11532 * Makefile.in (CATALOGS): Add po/ prefix.
11533 * configure: Regenerated.
11535 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11538 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11539 a shift operand before calling shift_op. Avoid redundant call of
11542 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11543 DJ Delorie <dj@redhat.com>
11545 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11546 we're inserting is a singlt-bit constant.
11548 2006-05-30 Roger Sayle <roger@eyesopen.com>
11550 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11551 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11553 2006-05-30 Roger Sayle <roger@eyesopen.com>
11555 PR tree-optimization/23452
11556 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11557 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11558 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11559 complex values and with -ffast-math for FP complex values.
11561 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11563 * c-common.h: Remove the prototype for yyparse.
11564 * rtl.h: Remove the prototype for init_loop.
11566 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11568 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11571 2006-05-30 Roger Sayle <roger@eyesopen.com>
11573 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11575 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11576 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11578 2006-05-30 Dirk Mueller <dmueller@suse.de>
11581 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11582 for CONSTANT_CLASS_P expresisons.
11584 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11587 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11589 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11591 PR tree-optimization/27779
11592 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11593 initial_condition instead of CHREC_LEFT.
11595 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11597 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11598 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11599 Make prototypes ISO C90.
11601 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11602 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11604 * see.c (see_analyze_one_def): Correct check.
11605 (see_get_extension_data): Check if extension is parallel.
11606 (see_get_extension_reg): Likewise.
11608 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11611 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11612 into register for (code == GTU).
11614 2006-05-29 Roger Sayle <roger@eyesopen.com>
11616 PR tree-optimization/24964
11617 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11618 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11619 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11620 abs(x)*abs(x) as x*x for scalar floating point modes.
11622 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11624 PR middle-end/27745
11625 * lambda-code.c (perfect_nestify): Don't copy statements
11626 in the inner loop: move them to the inner loop header.
11628 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11631 * c-tree.texi: Document OpenMP directives and clauses.
11633 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11635 * varasm.c (globalize_decl): Fix indentation.
11637 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11640 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11641 pass_fre, pass_store_ccp, pass_copy_prop,
11642 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11643 pass_return_slot, pass_object_size, pass_lim,
11644 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11645 pass_loop_prefetch and pass_stdarg.
11647 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11649 * config/bfin/bfin.opt (mfdpic): New option.
11650 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11651 (EXTRA_MULTILIB_PARTS): Likewise.
11652 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11653 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11655 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11656 (CRT_CALL_STATIC_FUNCTION): New.
11657 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11659 (CRT_CALL_STATIC_FUNCTION): New.
11660 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11662 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11663 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11664 (initialize_trampoline): Changed to handle FD-PIC code generation.
11665 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11666 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11667 (override_options): Disallow -mid-shared-library -mfdpic combination.
11668 Can't do unaligned ops if FD-PIC.
11669 Turn off flag_pic if trying to generate non-id-shared-library
11670 non-fdpic code, since it's not supported.
11671 (bfin_assemble_integer): New function.
11672 (TARGET_ASM_INTEGER): Define.
11673 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11675 * config/bfin/crtn.s: Restore them.
11676 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11678 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11679 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11680 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11681 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11682 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11684 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11685 FDPIC_REGS and FDPIC_FPTR_REGS.
11686 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11687 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11688 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11689 (load_funcdescsi): New pattern.
11690 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11691 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11692 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11694 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11696 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11699 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11701 * tree-flow.h: Remove the prototype for add_type_alias.
11702 * tree-ssa-alias.c (add_type_alias): Remove.
11704 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11706 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11707 config/fr30/fr30.md, config/i386/i386-interix.h,
11708 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11709 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11710 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11711 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11712 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11713 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11714 Follow spelling conventions.
11715 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11716 Follow spelling conventions.
11718 2006-05-27 Richard Guenther <rguenther@suse.de>
11720 PR middle-end/27773
11721 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11722 to produce a constant of value 1 of generic type.
11724 2006-05-27 Dirk Mueller <dmueller@suse.de>
11726 * cgraphunit.c (decide_is_function_needed): Fix wrong
11729 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11731 PR rtl-optimization/27661
11732 * reload.c (find_reloads): When reloading a VOIDmode constant
11733 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11734 use Pmode as mode of the reload register.
11736 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11738 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11739 is enabled at -O and above.
11741 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11744 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11747 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11750 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11751 for anonymous variables explicitly declared by front ends.
11753 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11755 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11756 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11757 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11758 ref-all pointers, run a finalization pass for them.
11759 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11760 (finalize_ref_all_pointers): New function.
11761 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11762 regular pointer type to a ref-all pointer type.
11763 (get_tmt_for): Return the special memory tag for ref-all pointers.
11765 2006-05-25 Richard Guenther <rguenther@suse.de>
11767 PR middle-end/27743
11768 * fold-const.c (fold_binary): Do not look at the stripped
11769 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11771 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11773 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11774 for LT and GT if the computed range is effectively empty.
11776 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11779 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11780 mips_quad_format formats instead of ieee_single_format,
11781 ieee_double_format and ieee_quad_format formats, respectively.
11783 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11785 PR tree-optimization/27639
11786 PR tree-optimization/26719
11787 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11788 call to scev_probably_wraps_p.
11789 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11790 used_in_pointer_arithmetic_p, convert_step): Removed.
11791 (nowrap_type_p): New function.
11792 (scev_probably_wraps_p): Rewritten.
11793 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11794 chrec_convert if chrec_convert_aggressive might have been used.
11795 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11796 scev_direction): New functions.
11797 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11798 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11799 instead of convert_step.
11800 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11801 (convert_step): Declaration removed.
11802 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11804 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11806 * df-core.c: Added to header comments.
11807 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11808 df_ur_bb_info, df_urec_bb_info): Added comments.
11809 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11810 urec, ri problems): Fixed header comments.
11811 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11812 code from df_rd_transfer_function.
11814 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11816 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11817 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11818 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11820 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11822 * expr.c (undefined_operand_subword_p): New.
11823 (emit_move_multi_word): Do not generate move from undefined bits
11824 of a paradoxical subreg.
11826 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11828 PR rtl-optimization/27736
11829 * combine.c (replaced_rhs_value): New variable.
11830 (combine_instructions): Set it.
11831 (distribute_notes): When distributing a note in replaced_rhs_insn,
11832 check whether the value was used in replaced_rhs_value.
11834 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11837 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11838 add_referenced_var instead of add_referenced_tmp_var.
11839 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11840 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11841 add_referenced_var.
11842 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11843 tree_optimize_tail_calls_1): Use add_referenced_var.
11844 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11845 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11846 Use add_referenced_var.
11847 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11848 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11849 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11850 Use add_referenced_var.
11851 * tree-dfa.c (struct walk_state): Remove.
11852 (find_referenced_vars): Remove walk state and vars_found hash table.
11853 (make_rename_temp): Use add_referenced_var.
11854 (find_vars_r): Pass less parameters to add_referenced_var.
11855 (referenced_var_p): New. Is var in referenced_var hash table.
11856 (referenced_var_insert): Assert var isn't already in hash table.
11857 (add_referenced_var): Don't need walk_state parameter. Add var if it
11858 isn't already in the hash table.
11859 (add_referenced_tmp_var): Remove.
11860 (find_new_referenced_vars_1): Use add_referenced_var.
11861 * tree-ssa-pre.c (create_expression_by_pieces,
11862 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11863 Use add_referenced_var.
11864 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11865 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11866 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11867 add_referenced_var.
11868 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11869 vect_create_data_ref_ptr, vect_create_destination_var,
11870 vect_init_vector, vect_build_loop_niters,
11871 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11872 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11873 Use add_referenced_var.
11874 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11875 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11876 (add_referenced_var): Add prototype.
11877 * tree-ssa-structalias.c (get_constraint_for,
11878 intra_create_variable_infos): Use add_referenced_var.
11880 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11882 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11883 big-endian paradoxical subregs.
11884 * var-tracking.c (struct micro_operation_def): Document that,
11885 for modify micro operations, insn is the subsequent instruction.
11886 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11887 (var_reg_set, var_mem_set): ... new functions.
11888 (add_stores): Record subsequent insn.
11889 (compute_bb_dataflow): Use new functions for MO_USE.
11890 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11891 notes after the insn, and modify notes before the insn known
11892 to be the subsequent one.
11893 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11895 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11898 * config/i386/i386.c (ix86_expand_builtin): Use
11899 gen_sse3_monitor64 for TARGET_64BIT.
11901 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11903 PR rtl-optimization/26375
11904 PR rtl-optimization/26855
11905 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11907 (df_ru_bb_local_compute): Reversed statements and removed bogus
11908 comment explaining why they should be in wrong order.
11909 (df_ru_dump, df_rd_dump): Enhanced debug info.
11910 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11912 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11913 reaching uses and fixed space problem.
11915 2006-05-23 Jan Hubicka <jh@suse.cz>
11917 * cgraphunit.c (decide_is_function_needed): Also nested functions
11918 and functions declared inline can be optimized out at -O0.
11920 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11922 * doc/install.texi (Configuration): Remove reference to CrossGCC
11923 FAQ which was gone.
11926 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11929 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11930 ix86_compare_emitted is non-NULL.
11932 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11935 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11938 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11940 PR rtl-optimization/25514
11941 * combine.c (replaced_rhs_insn): New variable.
11942 (combine_instructions): Set replaced_rhs_insn when trying to replace
11943 a SET_SRC with a REG_EQUAL note.
11944 (distribute_notes): Use replaced_rhs_insn when determining the live
11945 range of a REG_DEAD register.
11947 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11948 Anatoly Sokolov <aesok@post.ru>
11950 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11951 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11952 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11953 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11954 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11955 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11956 at90usb647, at90usb1286 and at90usb1287 devices.
11957 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11958 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11960 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11962 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11964 2006-05-22 Richard Guenther <rguenther@suse.de>
11967 2006-01-31 Richard Guenther <rguenther@suse.de>
11968 Paolo Bonzini <bonzini@gnu.org>
11970 * doc/install.texi (--disable-libgcc-math): Document.
11972 2006-05-22 Richard Guenther <rguenther@suse.de>
11975 2006-01-31 Richard Guenther <rguenther@suse.de>
11977 * doc/invoke.texi (-msselibm): Document.
11978 * target.h (expand_library_builtin): New target hook.
11979 * builtins.c (expand_builtin): Use expand_library_builtin.
11980 (default_expand_library_builtin): New function.
11981 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11982 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11983 (link_gcc_math_spec): Declare.
11984 (static_specs): Add link_gcc_math_spec.
11985 * expr.h (default_expand_library_builtin): Declare.
11986 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11987 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11988 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11989 * config/i386/i386.opt (msselibm): New target option.
11990 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11991 (ix86_init_sse_abi_builtins): New function.
11992 (ix86_expand_library_builtin): Likewise.
11993 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11994 (override_options): Handle error conditions wrt -msselibm.
11995 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11996 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11997 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12000 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12003 * c-common.c (self_promoting_args_p): Skip erroneous args.
12006 * c-decl.c (finish_struct): Skip erroneous fields.
12008 2006-05-22 Nick Clifton <nickc@redhat.com>
12010 * config/cris/cris.opt (march): Remove VarExists attribute.
12011 (max-stackframe=): Likewise.
12013 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12015 * doc/rtl.texi: Fix a typo.
12016 * see.c: Fix comment typos.
12018 * tree-ssa-structalias.h (alias_info): Remove num_references.
12020 2006-05-21 Mike Stump <mrs@apple.com>
12022 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12024 (darwin_pragma_options): Use BAD instead.
12025 (darwin_pragma_unused): Likewise.
12026 (darwin_pragma_ms_struct): Likewise.
12028 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12030 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12032 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12034 PR rtl-optimization/27671
12035 * simplify-rtx.c (simplify_relational_operation_1): Fix
12036 simplifications of (eq/ne (xor x y) y) and
12037 (eq/ne (xor x y) x).
12039 PR tree-optimization/26622.
12040 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12043 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12045 * tree-cfg.c: Prune whitespace.
12046 (debug_tree_cfg): Point to correct header containing the
12049 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12051 PR middle-end/25776
12052 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12054 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12056 PR middle-end/25776
12057 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12058 or sorry count is non zero.
12060 2006-05-20 Andreas Schwab <schwab@suse.de>
12062 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12064 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12065 Kenneth Zadeck <zadeck@naturalbridge.com>
12067 PR rtl-optimization/26855
12069 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12071 (df_scan_alloc): Added code to properly handle multiword hard
12072 registers and add all_blocks parameter.
12073 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12074 code to properly handle multiword hard registers.
12075 (df_rescan_blocks): Added code to remove deleted blocks from
12077 (df_ref_create_structure, df_ref_record): Added code to properly
12079 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12080 and set DF_REF_PARTIAL.
12081 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12082 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12083 (df_scan_add_problem): Added flags parameter.
12084 (df_ref_create_structure): Changed switching structure.
12085 (df_bb_refs_record): Fixed case where duplicate artificial refs
12086 were created. Changed location of flags.
12087 (df_record_entry_block_defs): Added code to make stack pointer
12088 live in entry block. Refined cases where frame pointer is needed.
12089 Changed location of flags.
12090 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12091 (df_set_state): Removed function.
12092 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12093 df_insn_create_insn_record, df_insn_refs_delete,
12094 df_ref_create_structure): Formatting changes.
12095 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12096 df_delete_basic_block): New function.
12097 (df_init): Changed location of flags.
12098 (df_add_problem): Added flags parameter and the way flags are
12100 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12101 debug_df_chain): Improved debugging output.
12102 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12103 (df_refs_chain_dump): Removed df parameter.
12104 (df_iterative_dataflow): Added consistency check.
12105 (df_prune_to_subcfg): Made public.
12106 (df_analyze_problem): Added blocks_to_init parameter and made
12108 (df_ref_record, df_bb_refs_record, df_mark_reg,
12109 df_record_exit_block_uses): Whitespace changes.
12110 (df_dump): Whitespace changes.
12111 * df.h: Some reordering to remove forward references.
12112 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12113 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12114 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12115 (dataflow.flags): New field.
12116 (df.flag): Deleted field.
12117 (df_alloc_function): Added additional bitmap parameter.
12118 (df_dependent_problem_function): New type.
12119 (df_problem.changeable_flags): New field.
12120 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12121 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12122 (df_mw_hardreg): New struct.
12123 (DF_INSN_UID_MWS): New macro.
12124 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12126 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12127 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12128 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12129 (df_set_state): Removed function.
12130 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12131 * df-problems.c (df_chain_dump): Removed df parameter.
12132 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12133 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12135 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12136 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12137 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12138 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12139 DF_REF_MUST_CLOBBER cases.
12140 (df_ru_bb_local_compute_process_def,
12141 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12142 df_lr_bb_local_compute, df_ur_bb_local_compute,
12143 df_chain_create_bb): Made subreg aware.
12144 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12145 df_lr_bb_local_compute, df_lr_bb_local_compute,
12146 df_chain_create_bb): Cleanup to use proper macros.
12147 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12148 code to fixup bitvectors.
12149 (df_ri_alloc): Cleared lifetime.
12150 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12151 df_create_unused_note): New function.
12152 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12153 REG_DEAD and REG_UNUSED notes as well as register information.
12154 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12155 df_chains_dump): Fixed crash if problem was never run.
12156 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12157 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12158 df_ri_add_problem): Processes flags in uniform manner.
12159 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12160 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12161 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12162 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12163 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12164 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12165 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12166 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12167 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12168 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12169 * see.c (see_initialize_data): Ditto.
12170 * final.c (rest_of_clean_state) Added regstack_completed.
12171 * rtl.h (regstack_completed): Ditto.
12172 * reg-stack.c (regstack_completed): Ditto.
12174 2006-05-19 Mike Stump <mrs@apple.com>
12176 * c-tree.h (default_conversion): Remove.
12177 * c-common.h (default_conversion): Add.
12179 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12181 * tree-vrp.c (valid_value_p): New function.
12182 (adjust_range_with_scev): Fail if the value of bound is not
12185 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12187 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12188 (mips_fallback_frame_state): Use syscall numbers to determine
12189 the appropriate li instruction for the current ABI. Only use
12190 __NR_sigreturn for o32.
12192 2006-05-19 Nicolas Setton <setton@adacore.com>
12194 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12195 * langhooks.c (lhd_dwarf_name): New function.
12196 * langhooks-def.h (lhd_dwarf_name): Declare.
12197 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12198 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12200 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12202 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12204 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12205 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12206 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12207 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12208 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12209 determine the size of Wtype, etc.
12210 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12211 (swfloatfuncs): New variable.
12212 (dwfloatfuncs): Likewise.
12213 (lib2funcs): Remove floating-point conversion functions from
12214 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12215 the set of conversion routines needed. Allow entries to specify
12216 an object name, filename and word size. Update users accordingly.
12217 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12218 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12222 2006-02-08 Roger Sayle <roger@eyesopen.com>
12225 * config/fixtfdi.c: New libgcc source file.
12226 * config/fixunstfdi.c: New source file.
12227 * config/floatditf.c: New source file.
12228 * config/floatunditf.c: New souce file.
12229 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12230 files above instead of config/mips/_tilib.c.
12231 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12233 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12235 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12236 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12238 2006-05-18 Mike Stump <mrs@apple.com>
12240 Fix up vla, vm and [*] sematics.
12246 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12247 (c_vla_unspec_p): Add.
12248 (c_vla_type_p): Add.
12249 * c-decl.c (struct c_scope): Add had_vla_unspec.
12250 (build_array_declarator): Add support for [*].
12251 (grokdeclarator): Likewise.
12252 (grokparms): Likewise.
12253 (get_parm_info): Likewise.
12254 * c-objc-common.c (c_vla_unspec_p): Likewise.
12255 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12256 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12257 typeof when argument is a variably modified type not inside sizeof or alignof.
12258 (c_parser_direct_declarator_inner): Propagate errors.
12259 (c_parser_sizeof_expression): Add support for [*].
12260 (c_parser_parms_declarator): Initialize had_vla_unspec.
12261 (c_parser_parms_list_declarator): Likewise.
12262 * c-typeck.c (c_vla_type_p): Add.
12263 (composite_type): Add support for vla compositing.
12264 (comptypes_internal): Add support for vla compatibility.
12265 (c_expr_sizeof_expr): Evaluate vla arguments.
12266 * tree.c (variably_modified_type_p): Update comment for [*].
12268 2006-05-18 Michael Matz <matz@suse.de>
12271 * config.host: Make assignments to host_xmake_file cumulative.
12272 * config.host (*-darwin*): Test $host, not $target.
12274 2006-05-12 Stuart Hastings <stuart@apple.com>
12276 * config/i386/i386.opt (-mstackrealign): New flag.
12277 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12278 (ix86_handle_cconv_attribute): Emit error when
12279 force_align_arg_pointer attribute collides with too many regparms.
12280 (ix86_function_regparm): Limit regparms when used with
12281 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12282 Support stack-realigning prologue in non-main functions. Emit
12283 warning for nested functions under -mstackrealign, emit error for
12284 nested functions with force_align_arg_pointer attribute.
12285 * doc/extend.texi (force_align_arg_pointer): Document it.
12286 * doc/invoke.texi (-mstackrealign): Document it.
12288 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12290 PR rtl-optimization/27477
12291 * combine.c (try_combine): Don't split a parallel consisting
12292 of two sets into two individual sets if both sets reference
12295 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12297 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12298 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12300 * doc/options.texi (VarExists): Updated.
12302 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12304 * unwind-dw2.c: Add declarations for uw_update_context and
12305 uw_frame_state_for.
12306 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12307 detected, advance frame state and context once to skip over stub.
12309 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12311 PR middle-end/20256
12312 PR middle-end/26435
12313 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12314 Call rewrite_into_loop_closed_ssa only when something changed.
12315 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12316 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12317 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12318 Test for perfect_nest_p here. Fix formating.
12319 (replace_uses_equiv_to_x_with_y): Fix formating.
12320 (stmt_uses_op): Removed.
12321 (can_convert_to_perfect_nest): Removed loopivs parameter.
12322 Complete the test by checking the scalar dependences.
12323 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12326 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12329 From Dan Kegel <dank@kegel.com>:
12330 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12332 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12334 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12335 if the element type is variably modified without recursing.
12337 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12339 PR middle-end/27332
12340 * tree-loop-linear.c (try_interchange_loops): Test for
12341 no data dependences.
12343 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12345 PR tree-optimization/27548
12346 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12347 range of ssa names that appear on abnormal edges.
12348 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12349 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12351 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12353 PR middle-end/27620
12354 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12356 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12358 PR middle-end/27415
12359 * tree.h (OMP_PARALLEL_COMBINED): Define.
12360 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12361 (new_omp_context): Add is_combined_parallel argument.
12362 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12363 new_omp_context caller.
12364 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12365 Adjust gimplify_scan_omp_clauses callers.
12366 (omp_is_private): Issue errors if iteration variable is firstprivate
12367 or reduction in the current context.
12368 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12369 on combined parallel workshare constructs.
12371 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12373 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12374 (gcc-options.o): New rule.
12376 * optc-gen.awk: Protect variables for gcc-options.o with
12377 #ifdef GCC_DRIVER/#endif.
12379 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12381 Fix PR tree-optimization/27373
12382 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12383 (forward_propagate_addr_expr): Update call.
12385 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12387 * doc/options.texi: Move the Negative option.
12389 2006-05-16 Richard Guenther <rguenther@suse.de>
12391 PR tree-optimization/22303
12392 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12394 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12395 ccp_fold did not simplify the statement.
12397 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12400 * Makefile.in (GCC_OBJS): New.
12401 (OBJS-common): Add opts-common.o.
12402 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12403 (cpp$(exeext)): Likewise.
12404 (gcc.o): Also depend on opts.h.
12405 (opts-common.o): New.
12407 * common.opt (gcoff): Add Negative(gdwarf-2).
12408 (gdwarf-2): Add Negative(gstabs).
12409 (gstabs): Add Negative(gstabs+).
12410 (gstabs+): Add Negative(gvms).
12411 (gvms): Add Negative(gxcoff).
12412 (gxcoff): Add Negative(gxcoff+).
12413 (gxcoff+): Add Negative(gcoff).
12414 * config/i386/i386.opt (m32): Add Negative(m64).
12415 (m64): Add Negative(m32).
12417 * doc/options.texi: Document the Negative option.
12419 * gcc.c: Include "opts.h".
12420 (main): Call prune_options after expandargv.
12422 * optc-gen.awk: Generate common declarations for all flag
12423 variables in options.c. Output the neg_index field.
12425 * opts.c (find_opt): Moved to ...
12426 * opts-common.c: Here. New file.
12428 * opts.h (cl_option): Add a neg_index field.
12430 (prune_options): Likewise.
12432 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12434 PR middle-end/27573
12435 * omp-low.c (expand_omp_parallel): Don't assert
12436 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12437 instead search for it.
12440 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12443 2006-05-16 Andreas Schwab <schwab@suse.de>
12445 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12448 2006-05-15 Roger Sayle <roger@eyesopen.com>
12451 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12452 integer constants other than zero are only legitimate on TARGET_64BIT.
12453 <CONST_VECTOR> Only zero vectors are legitimate.
12454 (ix86_cannot_force_const_mem): Integral and vector constants can
12455 always be put in the constant pool.
12457 2006-05-16 DJ Delorie <dj@redhat.com>
12459 * crtstuff.c (__dso_handle): Set section from
12460 TARGET_LBIGCC_SDATA_SECTION if defined.
12461 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12462 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12464 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12467 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12470 2006-05-16 Ben Elliston <bje@au.ibm.com>
12472 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12474 2006-05-15 Per Bothner <per@bothner.com>
12476 * tree.c: (last_annotated_node): Use source_locus typedef.
12477 This permits bootstrapping with --enable-mapped-location.
12479 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12481 PR tree-optimization/26830
12482 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12483 (info_for_ssa_name, current_info_for_ssa_name_age,
12484 blocks_to_update): New variables.
12485 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12486 (clear_ssa_name_info, initialize_flags_in_bb,
12487 mark_block_for_update): New functions.
12488 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12489 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12490 prepare_def_site_for): Use mark_block_for_update.
12491 (mark_def_interesting): Assert that the processed block is marked in
12492 blocks_to_update. Do not take blocks argument.
12493 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12495 (rewrite_update_init_block, rewrite_update_stmt): Only process
12496 blocks with statements to rewrite.
12497 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12498 (update_ssa): Initialize and free blocks_to_update. Do not
12499 clear flags on statements. Do not use blocks bitmap.
12500 * tree.h (SSA_NAME_AUX): Removed.
12501 (struct tree_ssa_name): Removed aux field.
12502 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12504 2006-05-15 Richard Guenther <rguenther@suse.de>
12506 PR tree-optimization/27603
12507 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12508 Do computations in original type.
12510 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12512 * see.c: Code style changes such as redundant paranthesis,
12513 redundant intialization of local variables etc.
12514 (see_main): Declared now as static.
12515 * doc/invoke.texi: Update that -fsee is not enabled by
12518 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12520 * omp-low.c (check_omp_nesting_restrictions): New function.
12521 (scan_omp_1): Call it.
12523 PR middle-end/27416
12524 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12525 construct, return *VAR.
12527 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12529 PR rtl-optimization/27406
12530 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12533 2006-05-14 Roger Sayle <roger@eyesopen.com>
12535 PR rtl-optimization/27538
12536 * combine.c (expand_compound_operation): Call gen_lowpart
12537 before calling simplify_shift_const.
12539 2006-05-14 Roger Sayle <roger@eyesopen.com>
12541 PR rtl-optimization/22563
12542 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12543 a fixed width bitfield, always force the intermediates into psuedos.
12545 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12548 * mkconfig.sh: Use operator = instead of == for test.
12550 2006-05-13 Nick Clifton <nickc@redhat.com>
12552 * dwarf2out.c (dbx_reg_number): Check return value from
12553 LEAF_REG_REMAP and only use it if it is valid.
12554 (multiple_reg_loc_descriptor): Likewise.
12556 2006-05-13 Richard Guenther <rguenther@suse.de>
12558 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12561 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12563 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12564 information attached to non-INSNs such as NOTEs.
12565 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12567 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12569 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12571 * config/s390/s390.md: Adjust comment describing On constraint.
12573 2006-05-11 Jan Hubicka <jh@suse.cz>
12575 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12576 to be output at -O0.
12578 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12580 PR middle-end/27384
12581 * fold-const.c (size_binop): Move sanity check for arguments to
12582 the beginning of the function.
12584 PR middle-end/27488
12585 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12588 2006-05-11 Richard Guenther <rguenther@suse.de>
12590 PR middle-end/27529
12591 * fold-const.c (fold_unary): Handle intermediate conversion
12592 to a pointer type like intermediate conversion to an integer
12593 type in folding of (T1)(T2)var to var.
12594 Match the code to the comment in the final conversion for
12595 (T1)(T2)var to (T1)var regarding to type precision. Rather
12596 than disallow T1 being of pointer type, assert that both T1
12597 and var are of pointer type or not. Make sure not to fall
12598 over the frontends lazyness wrt array to pointer decay though.
12600 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12602 * arm.c (arm_struct_value_rtx): Delete.
12603 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12604 (arm_init_cumulative_args): Always initialize nregs to zero.
12606 2006-05-10 Richard Guenther <rguenther@suse.de>
12608 PR tree-optimization/27532
12609 * tree-object-size.c (plus_expr_object_size): Fix typo.
12611 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12614 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12615 ashrdi_const, ashrdi3): Use a scratch register.
12617 2006-05-10 Richard Guenther <rguenther@suse.de>
12619 PR tree-optimization/27302
12620 * fold-const.c (operand_equal_p): For two comparisons,
12621 try comparison of one comparison code swapped if that yields
12624 2006-05-10 Ben Elliston <bje@au.ibm.com>
12626 * tree-pretty-print.c (pretty_print_string): No need to handle
12627 '\0' as a special character.
12629 * tree.h: Include "hashtab.h".
12630 (iterative_hash_expr): Use hashval_t in its prototype.
12631 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12633 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12636 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12637 (hppa*64*-*-hpux11*): Ditto.
12638 (hppa[12]*-*-hpux11*): Ditto.
12640 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12643 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12645 2006-05-09 Michael Matz <matz@suse.de>
12647 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12648 host_extra_gcc_objs and host_xmake_file.
12649 (<*-*-linux*>): Don't overwrite host_xmake_file.
12650 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12651 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12652 (host_detect_local_cpu): Declare.
12653 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12654 * config/i386/i386.c (override_options): Handle -mtune=native
12656 * config/i386/x-i386: New file.
12657 * config/i386/driver-i386.c: New file.
12658 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12661 2006-05-09 Dirk Mueller <dmueller@suse.de>
12662 Richard Guenther <rguenther@suse.de>
12664 PR middle-end/27498
12665 * fold-const.c (fold_read_from_constant_string): Relax check
12666 for matching types to matching modes.
12668 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12670 PR rtl-optimization/27335
12671 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12674 2006-05-08 Chao-ying Fu <fu@mips.com>
12675 Richard Sandiford <richard@codesourcery.com>
12677 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12678 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12679 * config/mips/mips.md (UNSPEC_SCC): New constant.
12680 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12681 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12682 (mips_emit_compare): Use it.
12683 (mips_expand_vcondv2sf): New function.
12685 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12687 Fix PR tree-optimization/27093
12688 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12689 renaming when they become not-used_alone.
12691 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12693 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12694 relocation and relocation stubs.
12696 2006-05-08 Eric Christopher <echristo@apple.com>
12698 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12701 2006-05-08 Jan Hubicka <jh@suse.cz>
12703 PR middle-end/24561
12704 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12705 unused static functions are needed.
12707 2006-05-08 Roger Sayle <roger@eyesopen.com>
12710 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12711 of a reg_equiv_constant if the result is a legitimate constant.
12713 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12716 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12717 standard 80387 constants, raise the cost to prevent
12718 compress_float_constant() to generate load from memory.
12720 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12722 * config/arm/constraints.md (c): Fix a typo.
12724 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12727 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12730 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12732 (_mm_mwait): Likewise.
12734 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12736 (sse3_monitor): Make it 32bit only.
12737 (sse3_monitor64): New. 64bit monitor.
12739 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12742 * config/i386/i386.c (classify_argument): Skip fields with invalid
12745 2006-05-07 Richard Guenther <rguenther@suse.de>
12747 PR tree-optimization/27409
12748 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12749 Do not try to find zero-sized subvars.
12751 2006-05-07 Richard Guenther <rguenther@suse.de>
12753 PR tree-optimization/27136
12754 * tree-ssa-loop-niter.c (get_val_for): Correct function
12755 comment, assert requirements.
12756 (loop_niter_by_eval): Stop processing if the iterated
12757 value did not simplify.
12759 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12761 * opts.c (flag_see): remove its setting at -O3.
12763 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12765 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12766 * arm/constraints.md: New file.
12767 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12768 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12769 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12770 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12771 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12772 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12773 * arm.md: Include constraints.md.
12774 (thumb_movsi_insn): Use satisfies_constraint_J.
12775 (movhi, movqi): Use satisfies_constraint_I.
12777 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12779 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12780 for atmeg a645 device.
12782 2006-05-06 Richard Guenther <rguenther@suse.de>
12784 PR tree-optimization/27151
12785 * tree-vect-transform.c (vectorizable_condition): Punt on
12786 values that have a different type than the condition.
12788 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12791 * c-parser.c (c_parser_cast_expression): Only insert casts into
12792 hash table if pointer.
12793 * function.c (used_types_insert_helper): Rename from
12795 (used_types_insert): Call used_types_insert_helper.
12796 * function.h (used_types_insert): Accept only one argument.
12798 2006-05-05 David Edelsohn <edesohn@gnu.org>
12800 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12801 scratch with output modifier.
12803 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12806 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12807 with output modifier.
12809 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12812 * config/mips/mips.c (mips_symbolic_address_p): Return true
12813 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12814 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12816 2006-05-04 Richard Guenther <rguenther@suse.de>
12818 PR tree-optimization/14287
12819 PR tree-optimization/14844
12820 PR tree-optimization/19792
12821 PR tree-optimization/21608
12822 PR tree-optimization/27090
12823 * tree-ssa-pre.c (try_combine_conversion): New function.
12824 (compute_avail): After constructing the value-handle
12825 expression, use try_combine_conversion to combine NOP_EXPRs
12826 with previous value-handle expressions and use the result if it
12829 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12831 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12833 2006-05-04 Jan Hubicka <jh@suse.cz>
12835 PR middle-end/25962
12836 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12838 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12840 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12841 that this only matches CONST_INTs. All users changed to VOIDmode
12844 * config/bfin/bfin.c: Include "optabs.h".
12845 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12847 (enum bfin_builtins): Add a number of fractional and vector builtins.
12848 (bfin_init_builtins): Likewise.
12849 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12850 (safe_vector_operand, bfin_expand_binop_builtin,
12851 bfin_expand_unop_builtin): New functions.
12852 (bfin_expand_builtin): Handle the new builtins.
12853 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12856 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12859 * Makefile.in (OBJS-common): Add see.o.
12860 (see.o): Add dependencies.
12861 * common.opt (fsee): New flag for the see optimization was added.
12862 * opts.c (flag_see): Initialized.
12863 * passes.c (init_optimization_passes, pass_see): New pass.
12864 * rtl.h (see_main): Declaration as extern.
12865 * timevar.def (TV_SEE): New.
12866 * tree-pass.h (pass_see): Declaration as extern.
12867 * invoke.texi (-fsee): Document.
12868 * recog.c (validate_simplify_insn): New function.
12869 * recog.h (validate_simplify_insn): Declaration as extern.
12870 * df-problems.c (df_chain_dump): Check for NULL.
12872 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12873 Daniel Berlin <dberlin@dberlin.org>
12875 * cfgrtl.c (insert_insn_bb_end_new): New function.
12876 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12878 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12880 * df.h (struct web_entry): Moved from web.c.
12881 (union_defs): Declaration as extern.
12882 (unionfind_root): Likewise.
12883 (unionfind_union): Likewise.
12884 * web.c (struct web_entry): Moved to df.h.
12885 (unionfind_root): Remove static declaration.
12886 (unionfind_union): Likewise.
12887 (union_defs): Likewise and generalize to use callback function.
12888 (web_main): Update arguments for union_defs function call.
12890 2006-05-04 Richard Guenther <rguenther@suse.de>
12892 PR tree-optimization/26447
12893 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12894 produce SSA_NAME copies before the store stmt to avoid
12895 breaking exception handling.
12897 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12899 PR middle-end/27388
12900 * gimplify.c (omp_is_private): If var is shared in some outer context,
12901 return false instead of true. Stop searching on parallel context
12904 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12907 * coverage.c: Use get_gcov_unsigned_t() instead of
12908 unsigned_type_node all over.
12910 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12912 PR tree-optimization/27381
12913 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12914 maintain the same immediate_use links.
12915 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12916 node rather than segfaulting.
12918 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12921 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12922 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12923 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12925 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12927 Fix PR tree-optimization/26626
12928 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12930 * tree-ssa-operands.c (access_can_touch_variable): Allow
12931 typecasting through union pointers.
12933 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12936 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12937 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12938 to find if var will be a global variable even in the nested context.
12939 (omp_copy_decl): Only check for global variable at the end, it might
12940 be overridden in outer contexts.
12941 (scan_sharing_clauses): For global variables don't create a field.
12942 (lower_rec_input_clauses): Do nothing for global shared variables.
12943 Emit a barrier at the end of ILIST if there were any decls in both
12944 firstprivate and lastprivate clauses.
12945 (lower_send_clauses): Do nothing for global variables except for
12948 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12950 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12951 of the correct signedness is returned.
12953 2006-05-02 Jeff Law <law@redhat.com>
12955 PR tree-optimization/27364
12956 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12957 multiply expressions.
12959 2006-05-02 Tom Tromey <tromey@redhat.com>
12961 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12963 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12966 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12967 -mthumb -fPIC are used.
12969 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12970 Joshua Kinard <kumba@gentoo.org>
12973 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12974 with 64-bit pointers.
12976 2006-05-02 Paul Brook <paul@codesourcery.com>
12978 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12980 (create_fix_barrier): Check that a suitable barrier location is
12982 (arm_reorg): Include ftmp->address in allowable range of addresses.
12984 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12987 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12990 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12992 PR middle-end/27337
12993 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12994 around RESULT_DECL for result passed by reference.
12995 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12996 * omp-low.c (use_pointer_for_field): Don't look at
12997 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12998 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12999 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13000 time or var for passing by reference for
13001 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13002 TREE_ADDRESSABLE variables when passing by reference.
13004 * omp-low.c (dump_omp_region): Fix output formatting.
13006 PR middle-end/27328
13007 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13008 (expand_omp_parallel): Likewise.
13009 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13011 PR middle-end/27325
13012 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13013 on statement list containing also constructors and destructors.
13014 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13016 PR middle-end/27310
13017 * except.c (duplicate_eh_regions): Fix clearing of
13018 cfun->eh->region_array entries.
13020 2006-05-01 DJ Delorie <dj@redhat.com>
13022 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13024 (gcc_cv_objdump): Likewise.
13025 * configure: Regenerated.
13027 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13030 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13031 templates for case 3 and 4.
13033 2006-05-01 DJ Delorie <dj@redhat.com>
13035 * vec.c: Include bconfig.h when appropriate.
13036 * Makefile.in (build/vec.o): Adjust dependencies.
13037 * mkconfig.sh: Make sure config.h isn't used for build machine
13040 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13042 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13044 (mark_phi_for_rewrite): New function.
13045 (insert_phi_nodes_for, mark_use_interesting): Call
13046 mark_phi_for_rewrite.
13047 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13048 (update_ssa): Initialize and free phis_to_rewrite.
13050 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13052 PR rtl-optimization/27291
13053 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13054 folded to a constant.
13056 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13058 PR tree-optimization/27283
13059 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13060 not whole # of iteration descriptions.
13061 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13062 uses abnormal ssa name.
13063 (niter_for_single_dom_exit): Ditto.
13064 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13065 return just the number of iterations.
13067 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13069 PR tree-optimization/27144
13070 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13071 (record_estimate): Only record constant upper bound.
13072 (infer_loop_bounds_from_undefined): Call
13073 compute_estimated_nb_iterations just once.
13074 (proved_non_wrapping_p): Renamed to ...
13075 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13076 (convert_step_widening, scev_probably_wraps_p): Call
13077 n_of_executions_at_most instead of proved_non_wrapping_p.
13078 (substitute_in_loop_info): Do not replace values in bounds.
13079 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13082 2006-05-01 Richard Henderson <rth@redhat.com>
13085 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13086 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13089 2006-05-01 Roger Sayle <roger@eyesopen.com>
13091 * c-typeck.c (parser_build_binary_op): Don't call the function
13092 unsigned_conversion_warning to spot operand/result type overflow.
13093 (build_binary_op): Instead, call convert_and_check instead of
13094 convert to report the problem when the operands are promoted.
13095 * c-common.c (unsigned_conversion_warning): Make static.
13096 * c-common.h (unsigned_conversion_warning): Delete prototype.
13098 2006-05-01 Richard Guenther <rguenther@suse.de>
13100 PR tree-optimization/26726
13101 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13103 (find_interesting_uses_address): ... we work around here
13104 by folding INDIRECT_REFs in the substituted base.
13106 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13108 * omp-low.c (dump_omp_region): Add newlines.
13110 2006-04-30 Roger Sayle <roger@eyesopen.com>
13112 * common.opt (Woverflow): New command line option.
13113 * c-common.c (constant_expression_warning): Check warn_overflow.
13114 (overflow_waring): Pass OPT_Woverflow to warning.
13115 (unsigned_conversion_warning): Likewise.
13116 (convert_and_check): Likewise.
13117 * doc/invoke.texi: Document new command line option.
13119 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13121 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13122 TARGET_NO_FP_IN_TOC for section anchors.
13123 (optimization_options): Enable section anchors for all
13124 non-"Objective" languages.
13126 2006-04-28 Eric Christopher <echristo@apple.com>
13128 * config/darwin-c.c (darwin_ms_struct): Move this
13129 (darwin_set_default_type_attributes): and this...
13130 * config/darwin.c: ... here.
13131 * config/darwin.h (darwin_ms_struct): Declare.
13133 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13135 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13137 2006-04-28 Roger Sayle <roger@eyesopen.com>
13140 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13141 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13142 an unsigned HOST_WIDE_INT.
13143 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13145 (really_start_incremental_init): No need to call convert because
13146 bitsize_zero_node is already of type bitsizetype.
13147 (push_init_level): Extract the value of constructor_index as an
13148 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13149 (process_init_element): Likewise.
13151 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13153 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13154 value before passing to make_relative_prefix.
13156 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13158 PR middle-end/27260
13159 * builtins.c (expand_builtin_memset): Expand val in original mode.
13161 2006-04-27 Eric Christopher <echristo@apple.com>
13163 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13164 with #ifndef/#endif.
13165 * config/darwin-c.c (darwin_ms_struct): New.
13166 (darwin_pragma_ms_struct): Ditto.
13167 (darwin_set_default_type_attributes): Ditto.
13168 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13169 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13170 Register ms_struct pragma.
13171 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13172 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13173 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13174 darwin_set_default_type_attributes if TARGET_MACHO.
13176 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13178 PR tree-optimization/26854
13179 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13180 * doc/tree-ssa.texi: Update immuse iterator documentation.
13181 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13182 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13183 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13184 first_safe_imm_use, next_safe_imm_use): Remove.
13185 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13186 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13187 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13188 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13189 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13190 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13191 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13192 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13193 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13194 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13195 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13196 (perfect_nestify): Use new iterator.
13197 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13199 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13200 (next_imm_name): New field in struct immediate_use_iterator_d.
13201 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13202 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13203 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13204 * tree-cfg.c (replace_uses_by): Use new iterator.
13205 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13206 * tree-ssa-operands.c (correct_use_link): Remove.
13207 (finalize_ssa_use_ops): No longer call correct_use_link.
13209 2006-04-27 Stuart Hastings <stuart@apple.com>
13211 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13212 * config/t-darwin (crt3.o): Use it.
13213 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13214 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13215 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13216 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13217 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13220 2006-04-27 Roger Sayle <roger@eyesopen.com>
13222 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13223 size, force the intermediate into a new pseudo rather instead of
13224 performing both a bitwise AND and a bitwise IOR in memory.
13226 2006-04-27 Richard Guenther <rguenther@suse.de>
13228 PR rtl-optimization/26685
13229 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13230 this one "max-flow-memory-locations".
13232 2006-04-27 Richard Guenther <rguenther@suse.de>
13234 PR tree-optimization/25148
13235 * tree-vrp.c (compare_values): Remove code dealing with
13236 comparisons against type min/max value. Honour overflow
13237 and negative constants in code dealing with comparisons
13238 of plus and minus expressions.
13239 (value_inside_range): Use fold_binary with LE_EXPR and
13240 GE_EXPR rather than compare_values.
13242 2006-04-27 Dirk Mueller <dmueller@suse.de>
13244 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13247 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13249 * basic-block.h (safe_insert_insn_on_edge): Removed.
13250 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13252 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13253 Paolo Bonzini <bonzini@gnu.org>
13255 PR middle-end/27282
13256 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13257 (simplify_and_const_int): Same.
13259 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13261 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13263 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13266 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13267 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13268 cgraph_global_info_ready.
13270 PR middle-end/26913
13271 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13274 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13275 either decl or init is error_mark_node.
13277 PR middle-end/25989
13278 * tree-flow.h (struct omp_region): Add sched_kind.
13279 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13280 instead of extracting omp for data.
13281 (expand_omp_for): Save extracted sched_kind.
13283 2006-04-25 Roger Sayle <roger@eyesopen.com>
13285 * expmed.c (store_bit_field): Also check whether the bitsize is
13286 valid for the machine's "insv" instruction before moving the
13287 target into a pseudo for use with the insv.
13288 * config/i386/predicates.md (const8_operand): New predicate.
13289 * config/i386/i386.md (extv, extzv, insv): Use the new
13290 const8_operand predicate where appropriate.
13292 2006-04-25 DJ Delorie <dj@redhat.com>
13294 * doc/install.texi (Specific): Clarify that this is not a list of
13295 supported hosts or targets.
13297 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13299 PR rtl-optimization/26725
13300 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13301 block's BB_DIRTY flag.
13303 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13305 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13308 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13309 to print an integer.
13311 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13313 * varasm.c (align_variable): New function.
13314 (get_block_for_decl): Apply align_variable to DECL before
13315 calculating section information.
13316 (assemble_variable): Split out alignment computation.
13318 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13320 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13323 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13325 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13326 MODE_PARTIAL_INT mode.
13327 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13328 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13330 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13331 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13333 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13335 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13337 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13338 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13339 MACFLAG_IH): Likewise.
13340 (movstricthi_1): Renamed from "*movstricthi".
13341 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13342 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13343 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13344 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13345 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13346 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13347 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13348 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13349 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13350 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13351 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13352 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13353 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13354 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13355 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13357 * doc/rtl.texi (ss_ashift): Improve wording.
13359 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13361 * dwarf2out.c (verify_marks_clear): New.
13362 (prune_unused_types): Call verify_marks_clear initially, not
13365 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13367 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13368 * doc/rtl.texi: Document them.
13369 * simplify-rtx.c (simplify_unary_operation,
13370 simplify_binary_operation_1): Don't abort when we see them.
13372 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13375 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13376 * configure.ac: Completely disregard languages that are not
13378 * configure: Regenerated.
13380 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13381 Richard Guenther <rguenther@suse.de>
13383 PR tree-optimization/27236
13384 * tree-inline.c (copy_body_r): Make sure to copy
13385 TREE_THIS_VOLATILE flag.
13387 2006-04-24 Richard Guenther <rguenther@suse.de>
13389 PR middle-end/26869
13390 * tree-complex.c (update_parameter_components): Don't handle
13391 unused parameters which have no default def.
13393 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13394 Richard Guenther <rguenther@suse.de>
13396 PR tree-optimization/27218
13397 * tree-inline.c (expand_call_inline): Strip useless type
13398 conversions for the return slot address.
13400 2006-04-24 Richard Guenther <rguenther@suse.de>
13402 * cfgloop.h (struct loops): Remove unused field array. Reorder
13404 (LOOP_PREFETCH): Remove.
13406 2006-04-24 Richard Guenther <rguenther@suse.de>
13408 PR tree-optimization/22525
13409 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13410 variable, adjust types of generated expressions.
13412 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13414 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13415 (tree-vect-patterns.o): Likewise.
13416 (jump.o): Likewise.
13417 (cselib.o): Likewise.
13418 (loop-doloop.o): Likewise.
13419 (regclass.o): Likewise.
13420 (reload1.o): Likewise.
13421 (explow.o): Replace target.h with $(TARGET_H).
13422 (ipa-prop.o): Likewise.
13423 (ipa-cp.o): Likewise.
13424 (ipa-inline.o): Likewise.
13425 (reorg.o): Likewise.
13426 (reg-stack.o): Likewise.
13428 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13430 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13432 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13434 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13436 * configure.ac: Completely disregard languages that are not
13438 * configure: Regenerated.
13441 * c-common.h (c_build_bitfield_integer_type): Declare.
13442 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13443 * c-common.c (c_build_bitfield_integer_type): ... here.
13445 2006-04-23 Roger Sayle <roger@eyesopen.com>
13448 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13449 a SImode SUBREG of a floating point register after no_new_pseudos.
13451 2006-04-23 Roger Sayle <roger@eyesopen.com>
13453 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13454 identify potentially eliminable registers to additionally catch
13455 VIRTUAL_INCOMING_ARGS_REGNUM.
13456 (addsi3): Update the conditions on when to use addsi_small_int.
13458 2006-04-23 Roger Sayle <roger@eyesopen.com>
13461 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13462 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13463 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13465 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13467 * fold-const.c (range_predecessor): Use operand_equal_p
13468 as the predicate for equality.
13469 (range_successor): Likewise.
13471 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13474 * config/soft-fp/op-common.h: Fix a typo.
13476 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13478 PR libmudflap/26864
13479 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13480 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13482 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13484 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13486 * doc/tm.texi: Fix a typo.
13488 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13490 * dwarf2out.c (struct die_struct): Document that die_sib makes
13491 a circular linked list.
13492 (FOR_EACH_CHILD): New.
13493 (reverse_die_lists): Delete.
13494 (reverse_all_dies): Delete.
13495 (add_dwarf_attr): Correct documentation.
13496 (remove_child_with_prev): New.
13497 (remove_child_TAG): Update for change to die_struct, use
13498 remove_child_with_prev.
13499 (add_child_die): Update for change to die_struct.
13500 (splice_child_die): Use remove_child_with_prev and add_child_die.
13501 (print_die): Use FOR_EACH_CHILD.
13502 (die_checksum): Likewise.
13503 (assign_symbol_names): Likewise.
13504 (output_location_lists): Likewise.
13505 (build_abbrev_table): Likewise.
13506 (calc_die_sizes): Likewise.
13507 (mark_dies): Likewise.
13508 (unmark_dies): Likewise.
13509 (unmark_all_dies): Likewise.
13510 (output_die): Likewise.
13511 (prune_unused_types_mark): Likewise.
13512 (prune_unused_types_walk): Likewise.
13513 (same_die_p): Update for change to die_struct.
13514 (break_out_includes): Likewise.
13515 (prune_unused_types_prune): Likewise.
13516 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13517 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13518 it's already clear.
13519 (dwarf2out_finish): Don't call reverse_all_dies.
13521 2006-04-21 Eric Christopher <echristo@apple.com>
13523 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13524 in comments and function names.
13526 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13529 * c-typeck.c (digest_init): Robustify.
13531 * c-typeck.c (pop_init_level): Simplify.
13533 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13535 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13537 2006-04-21 Paul Brook <paul@codesourcery.com>
13539 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13540 hardware floating point.
13542 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13544 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13547 2006-04-21 Nick Clifton <nickc@redhat.com>
13549 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13552 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13555 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13556 C++ lang type in traceback table for Objective-C++.
13558 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13560 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13562 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13564 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13567 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13568 were errors. Remove check for erroneous objects.
13570 2006-04-20 Jeff Law <law@redhat.com>
13572 PR tree-optimization/26854
13573 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13574 checking for zero or one use.
13575 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13576 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13577 * tree-ssa-reassoc.c (negate_value): Similarly.
13578 (reassociate_bb): Similarly.
13580 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13583 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13584 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13585 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13587 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13589 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13590 fp regs if the last fp arg doesn't fit in regs.
13592 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13595 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13596 that the last insn has the REG_INC note.
13598 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13599 Nathan Sidwell <nathan@codesourcery.com>
13602 * stor-layout.c (update_alignment_for_field): Do not align
13604 (place_union_field): Place union field at the start of the union.
13605 (place_field): Move ERROR_MARK check later, and use the current
13606 allocation position to maintain monotonicity.
13608 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13610 * dominance.c: Include timevar.h.
13611 (calculate_dominance_info): Use TV_DOMINANCE.
13612 * timevar.def (TV_DOMINANCE): New timevar.
13613 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13615 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13617 PR rtl-optimization/14261
13618 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13619 move would be an INSV insn.
13620 (noce_process_if_block): Don't optimize if the destination is a
13621 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13623 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13625 * config/s390/s390.md: Add comments with the instructions emitted
13626 by an insn pattern if macros are used.
13628 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13630 PR rtl-optimization/26026
13631 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13632 is a known power of two shifted left a variable amount.
13634 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13636 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13637 to hash table twice when the debug_str section has SECTION_MERGE.
13639 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13641 * config/soft-fp: New directory. From glibc.
13642 * config/soft-fp/t-softfp: New.
13643 * config/soft-fp/README: New.
13644 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13645 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13646 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13647 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13648 * config.gcc: Use rs6000/t-fprules-fpbit or
13649 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13651 * config/rs6000/sfp-machine.h: New. Based on glibc.
13652 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13654 * config/rs6000/t-fprules: Remove fp-bit rules.
13655 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13656 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13657 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13658 (softfp_wrap_start, softfp_wrap_end): New.
13660 2006-04-18 DJ Delorie <dj@redhat.com>
13662 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13664 2006-04-18 Devang Patel <dpatel@apple.com>
13666 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13668 2006-04-18 Nick Clifton <nickc@redhat.com>
13670 * config/sh/t-symbian: Add rule to build sh-c.o
13671 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13672 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13673 (sh_symbian_encode_section_info): Likewise.
13675 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13677 * builtins.c (expand_builtin_strcmp): Cover label definition of
13678 do_libcall with HAVE_cmpstrnsi.
13680 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13682 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13684 * function.h (temp_slot_p): New.
13685 (function): Change the type of x_used_temp_slots to
13686 VEC(temp_slot_p,gc) *.
13688 2006-04-18 Nick Clifton <nickc@redhat.com>
13690 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13691 flag_strength_reduce.
13693 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13695 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13699 Partial revert of revision 112637
13700 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13701 Dale Johannesen <dalej@apple.com>
13704 * regclass.c (struct reg_pref): Update documentation.
13705 (regclass): Set prefclass to NO_REGS if memory is the best option.
13706 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13708 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13710 PR tree-optimization/26821
13711 * tree-ssa-math-opts.c (get_constant_one): New.
13712 (insert_reciprocals): Use it.
13714 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13716 * dwarf2out.c (free_AT): Delete.
13717 (remove_AT): Update string ref counts.
13718 (remove_child_TAG): Don't call free_die.
13719 (free_die): Delete.
13720 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13721 or DW_TAG_GNU_EINCL.
13722 (prune_unused_types_walk_attribs): Reset string refcounts.
13723 (prune_unused_types_update_strings): New.
13724 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13725 call free_die. Do call prune_unused_types_update_strings.
13726 (prune_unused_types): Empty debug_str_hash.
13728 2006-04-17 Roger Sayle <roger@eyesopen.com>
13730 * expr.c (expand_assignment): Optimize away no-op moves where the
13731 source and destination are equal and have no side-effects.
13733 2006-04-17 Richard Guenther <rguenther@suse.de>
13736 * reload.c (push_reload): Guard calls to get_secondary_mem
13737 for memory subregs.
13739 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13741 * alias.c (reg_base_value, old_reg_base_value): Change the
13742 type to VEC(rtx,gc) *.
13743 (REG_BASE_VALUE, find_base_value, record_set,
13744 init_alias_analysis): Use VEC instead of VARRAY.
13746 * alias.c (alias_sets): Change the type to
13747 VEC(alias_set_entry,gc) *.
13748 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13749 VEC instead of VARRAY.
13750 (last_alias_set): Remove.
13752 * cgraph.h (cgraph_edge_p): New.
13753 Update the prototype of cgraph_function_versioning.
13754 * cgraphunit.c (cgraph_copy_node_for_versioning,
13755 cgraph_function_versioning): Use VEC instead of VARRAY.
13756 * ipa-cp.c (ipcp_insert_stage): Likewise.
13758 2006-04-16 Roger Sayle <roger@eyesopen.com>
13761 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13762 "A op B" or "A op C", we may need to convert A to the type of B and C.
13764 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13766 * target.h (struct gcc_target): Add mode_rep_extended.
13767 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13768 (init_num_sign_bit_copies_in_rep): Initialize it using
13770 (truncate_to_mode): Use it.
13771 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13772 * targhooks.h (default_mode_rep_extended): Declare it.
13773 * targhooks.c (default_mode_rep_extended): Define it.
13774 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13775 default_mode_rep_extended.
13776 (TARGET_INITIALIZER): Include it.
13777 * doc/tm.texi (Misc): Document it.
13778 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13779 (mips_truncated_to_mode): New function.
13781 2006-04-16 Roger Sayle <roger@eyesopen.com>
13783 PR middle-end/25474
13784 * expr.c (compress_float_constant): Copy the narrow constant into
13785 a new pseudo before extending it to its final width.
13787 2006-04-16 Roger Sayle <roger@eyesopen.com>
13788 Andrew Pinski <pinskia@gcc.gnu.org>
13789 Dale Johannesen <dalej@apple.com>
13792 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13793 special case code to implement V8HImode and V16QImode with SSE2.
13795 2006-04-15 Roger Sayle <roger@eyesopen.com>
13797 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13798 trees are constructed with a suitable tree type.
13800 2006-04-15 Roger Sayle <roger@eyesopen.com>
13802 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13803 (integer_onep): Likewise.
13804 (integer_all_onesp): Likewise.
13805 (integer_pow2p): Likewise.
13806 (integer_nonzerop): Likewise.
13807 (real_zerop): Likewise.
13808 (real_onep): Likewise.
13809 (real_twop): Likewise.
13810 (real_minus_onep): Likewise.
13811 (int_size_in_bytes): Likewise.
13812 (host_integerp): Likewise.
13814 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13816 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13817 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13818 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13820 * tree-ssa-structalias.h (alias_info): Remove num_references.
13822 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13824 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13825 (output_bvb patterns): Likewise.
13826 * pa.c (output_bb): Use 'bb' insn for long branch case.
13827 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13828 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13829 1. Correct length operand for alternatives 1 and 2.
13830 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13831 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13833 2006-04-14 Roger Sayle <roger@eyesopen.com>
13835 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13836 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13837 were accidentally reverted by r112959.
13839 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13841 PR middle-end/26823
13842 * except.h (eh_region_outermost): New prototype.
13843 * except.c (eh_region_outermost): New function.
13844 * tree-cfg.c (find_outermost_region_in_block): Use it.
13846 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13848 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13850 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13851 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13852 (init_reload, reload): Use VEC instead of VARRAY.
13853 * reload.h: Update the prototype for
13854 reg_equiv_memory_loc_varray.
13856 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13857 Eric Botcazou <ebotcazou@libertysurf.fr>
13859 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13860 register save area.
13862 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13864 PR middle-end/27134
13865 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13866 to expand fallback builtin function call.
13868 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13870 PR middle-end/27095
13871 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13872 and emit libcall here in case the builtin fails.
13873 (expand_builtin_strcmp): Always emit the libcall here on failure.
13875 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13877 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13878 * flow.c (reg_n_info): Change the type to
13879 VEC(reg_info_p,heap) *.
13880 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13882 * regs.h (reg_info_p): New.
13883 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13884 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13885 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13888 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13890 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13892 * params.h (MAX_SCHED_READY_INSNS): New macro.
13893 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13894 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13895 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13896 the ready list for 1 cycle during the first scheduling pass.
13897 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13899 2006-04-13 Richard Henderson <rth@redhat.com>
13902 * gimple-low.c (lower_omp_directive): Remove dead code.
13903 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13904 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13905 * omp-low.c (struct omp_region): Move to tree-flow.h.
13906 (root_omp_region): Export.
13907 (omp_regions, lookup_omp_region): Remove.
13908 (determine_parallel_type): Update for struct omp_region changes.
13909 (dump_omp_region): Dump regions with block numbers.
13910 (new_omp_region): Take type and block instead of stmt; malloc
13912 (free_omp_region_1, free_omp_regions): New.
13913 (expand_parallel_call): Take entry_stmt as argument; update for
13914 changes to omp_region.
13915 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13916 (remove_exit_barriers): New.
13917 (expand_omp_parallel): Update for struct omp_region changes.
13918 (expand_omp_synch): Likewise.
13919 (expand_omp): Likewise.
13920 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13921 (expand_omp_for_static_chunk): Likewise.
13922 (expand_omp_for): Likewise.
13923 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13924 (expand_omp_sections): Similarly, with GOMP_sections_end.
13925 (expand_omp_single): New.
13926 (build_omp_regions_1): Update for OMP_CONTINUE.
13927 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13928 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13929 OMP_SECTIONS_SECTIONS.
13930 (lower_omp_single_simple): Don't emit barrier here.
13931 (lower_omp_single_copy): Likewise.
13932 (lower_omp_single): Fix bindings, and lower to straightline now.
13933 (lower_omp_master, lower_omp_ordered): Likewise.
13934 (lower_omp_critical): Likewise.
13935 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13936 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13937 omp edges, free it afterward.
13938 (make_omp_sections_edges): Remove.
13939 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13940 (move_stmt_r): Handle OMP_CONTINUE.
13941 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13942 statement pointers to basic blocks. Add type member.
13943 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13944 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13945 * tree-inline.c (estimate_num_insns_1): Likewise.
13946 * tree-pretty-print.c (dump_generic_node): Likewise.
13947 * tree-ssa-operands.c (get_expr_operands): Likewise.
13948 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13949 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13950 (OMP_CONTINUE): New.
13951 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13952 (OMP_SECTIONS_SECTIONS): Remove.
13953 (OMP_SECTION_LAST): New.
13954 (OMP_RETURN_NOWAIT): New.
13956 2006-04-13 Roger Sayle <roger@eyesopen.com>
13958 * fold-const.c (native_encode_vector, native_interpret_real):
13959 Correct obvious mistakes in the previous check-in.
13961 2006-04-13 Roger Sayle <roger@eyesopen.com>
13963 * fold-const.c (native_encode_expr): New function to encode
13964 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13965 or VECTOR_CST into a specified buffer.
13966 (native_encode_int): New function.
13967 (native_encode_real): New function.
13968 (native_encode_complex): New function.
13969 (native_encode_vector): New function.
13970 (native_interpret_expr): Inverse of native_encode_expr to convert
13971 a target representation into an INTEGER_CST, REAL_CST etc...
13972 (native_interpret_int): New function.
13973 (native_interpret_real): New function.
13974 (native_interpret_complex): New function.
13975 (native_interpret_vector): New function.
13976 (fold_view_convert_expr): New function to constant fold/evaluate
13977 a VIEW_CONVERT_EXPR of a suitable constant expression.
13978 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13979 Change call of build1 to fold_build1 when constructing a
13982 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13983 Ulrich Weigand <uweigand@de.ibm.com>
13986 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13989 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13992 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13993 optimize to lo_sum for DFmode if !TARGET_FPRS.
13995 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13997 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13998 delete_alias_info, compute_flow_sensitive_aliasing,
13999 group_aliases): Use VEC instead of VARRAY.
14000 * tree-ssa-structalias.c (update_alias_info): Likewise.
14001 * tree-ssa-structalias.h (alias_info): Change the type of
14002 processed_ptrs to VEC(tree,heap) *.
14004 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14007 * config/sh/lib1funcs.h: New file, broken out of:
14008 * config/sh/lib1funcs.asm.
14009 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14011 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14012 * config/sh/lib1funcs-Os-4-200.asm: New file.
14013 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14014 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14015 (EXTRA_MULTILIB_PARTS): Include it.
14016 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14017 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14018 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14019 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14022 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14024 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14025 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14026 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14028 * tree-ssa-live.h: Include vecprim.h.
14029 (tree_partition_associator_d): Change the type of
14030 first_partition to VEC(int,heap) *.
14031 (tpa_first_partition): Use VEC instead of VARRAY.
14033 * Makefile.in (GTFILES): Move functions.h after tree.h.
14034 * function.c (reset_block_changes, record_block_change,
14035 check_block_change, free_block_changes): Use VEC instead of
14037 * function.h (function): Change the type of
14038 ib_boundaries_block to VEC(tree,gc) *.
14039 * tree-inline.c (copy_cfg_body): Initialize
14040 ib_boundaries_block to NULL instead of (varray_type) 0.
14042 2006-04-12 Roger Sayle <roger@eyesopen.com>
14044 * expr.c (emit_group_store): Correct operand order in call to
14045 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14046 a SUBREG_BYTE of zero.
14048 2006-04-12 Richard Guenther <rguenther@suse.de>
14050 * profile.c (compute_branch_probabilities): Remove code
14051 encapsulated in !ir_type (), which are remanents of the
14052 removed RTL profiling code.
14053 * rtl-profile.c: Remove.
14055 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14057 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14058 magic NULL_RTX comment.
14059 (function_arg): Store entire fp arg to mem if any part should go
14061 (rs6000_arg_partial_bytes): Adjust for above change.
14063 2006-04-11 Roger Sayle <roger@eyesopen.com>
14065 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14066 if it hasn't been initialized by dwarf2out_init.
14068 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14070 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14071 symbolic constants in branch patterns.
14073 2006-04-11 Roger Sayle <roger@eyesopen.com>
14075 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14077 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14079 PR rtl-optimization/27073
14080 * gcse.c (try_replace_reg): Revert last change. Continue to search
14081 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14084 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14086 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14087 aggregate types other than record and union types.
14088 (function_arg): Likewise.
14089 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14091 (function_value): In 64-bit mode, return objects that require it
14094 2006-04-11 Roger Sayle <roger@eyesopen.com>
14096 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14098 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14100 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14102 2006-04-03 Jeff Law <law@redhat.com>
14105 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14106 alias information too.
14108 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14110 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14112 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14115 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14116 (premark_used_types_helper): New.
14117 (premark_used_types): New.
14118 (gen_subprogram_die): Call premark_used_types.
14119 (prune_unused_types_walk): Do not prune perennial dies.
14120 * function.c (used_types_insert): New.
14121 * function.h (struct function): Add used_types_hash field.
14122 (used_types_insert): Add prototype.
14123 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14124 * c-parser.c (c_parser_cast_expression): Save casted types in used
14127 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14130 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14131 rs6000_explicit_options.float_gprs.
14133 2006-04-10 Roger Sayle <roger@eyesopen.com>
14135 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14136 from ix86_expand_vector_init_low_nonzero. Take an additional
14137 one_var argument indicating which element is non-zero. Support
14138 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14139 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14140 with one_var instead of ix86_expand_vector_init_low_nonzero.
14142 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14144 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14145 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14146 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14147 build/genextract.o): Depend on vecprim.h.
14148 * cfglayout.c, df-problems.c, function.c, genextract.c,
14149 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14150 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14154 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14156 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14157 Declare VECs of this type.
14158 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14159 (remove_children): Delete.
14160 (add_dwarf_attr): Use VEC routines.
14161 (add_AT_flag): Update for changes to add_dwarf_attr.
14162 (add_AT_int): Likewise.
14163 (add_AT_unsigned): Likewise.
14164 (add_AT_long_long): Likewise.
14165 (add_AT_vec): Likewise.
14166 (add_AT_string): Likewise.
14167 (add_AT_die_ref): Likewise.
14168 (add_AT_fde_ref): Likewise.
14169 (add_AT_loc): Likewise.
14170 (add_AT_loc_list): Likewise.
14171 (add_AT_addr): Likewise.
14172 (add_AT_lbl_id): Likewise.
14173 (add_AT_lineptr): Likewise.
14174 (add_AT_macptr): Likewise.
14175 (add_AT_offset): Likewise.
14176 (add_AT_range_list): Likewise.
14177 (get_AT): Use VEC_iterate.
14178 (remove_AT): Use VEC_ordered_remove.
14179 (free_die): Fold remove_children into here; have it use VEC_iterate.
14180 (print_die): Use VEC_iterate on attrs.
14181 (reverse_die_lists): Don't reverse attr lists.
14182 (die_checksum): Use VEC_iterate on attrs.
14183 (same_die_p): Likewise.
14184 (output_location_lists): Likewise.
14185 (build_abbrev_table): Likewise.
14186 (size_of_die): Likewise.
14187 (unmark_all_dies): Likewise.
14188 (output_abbrev_section): Likewise.
14189 (output_die): Likewise.
14190 (prune_unused_types_walk_attribs): Likewise.
14192 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14194 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14196 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14199 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14201 2006-04-09 Roger Sayle <roger@eyesopen.com>
14203 * expr.c (store_constructor): Don't bother clearing target if
14204 we're about to assign a vector to it using vec_init_optab.
14206 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14208 * tree-ssa-alias.c (lhs_may_store_to): New function.
14209 (recalculate_used_alone): Handle LHS of calls.
14211 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14215 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14216 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14217 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14218 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14219 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14220 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14221 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14222 stubs. Add ".align 8" directives before all ".dword" directives.
14223 (GTHREAD_USE_WEAK): Revise comment.
14224 (TARGET_ATTRIBUTE_WEAK): Define.
14225 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14226 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14227 * stublib.c: New file.
14232 * pa.md (cbranch patterns): Revise arguments used in calls to
14233 output_cbranch, output_bb and output_bvd. Add long branch length
14235 (fbranch patterns): Handle long branches.
14236 (jump): Revise length check. Revise arguments for output_lbranch call.
14237 Add long branch length attributes.
14238 (decrement_and_branch_until_zero): Add long branch length attributes.
14239 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14240 Likewise. Revise arguments for output_parallel_addb and
14241 output_parallel_movb calls.
14242 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14243 output_parallel_movb and output_parallel_addb): Update prototypes.
14244 * pa.c (output_cbranch): Revise arguments. Correct handling of
14245 nullification in long branches.
14246 (output_lbranch): Add new argument to control extraction of delay
14248 (output_bb): Handle long branches.
14249 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14250 output_parallel_addb): Likewise.
14252 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14254 PR rtl-optimization/27073
14255 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14258 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14260 * tree.h (tree_memory_tag): Add old_used_alone.
14261 (SMT_OLD_USED_ALONE): New macro.
14262 * tree-ssa-alias.c (recalculate_used_alone): Stop
14263 marking things for renaming unnecessarily.
14265 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14267 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14268 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14269 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14270 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14271 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14272 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14273 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14274 spelling convensions.
14275 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14276 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14277 typos. Follow spelling conventions.
14279 2006-04-07 DJ Delorie <dj@redhat.com>
14281 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14282 passed on the stack.
14283 (m32c_init_cumulative_args): When a function returns a structure,
14284 always pass the pointer to that return area on the stack.
14285 (m32c_function_arg_advance): Don't increment the parameter number
14286 if we're processing the returned structure pointer.
14287 (pushm_info): Reverse order of registers.
14289 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14291 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14292 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14293 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14294 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14295 build_int_cst_type.
14296 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14297 chrec_fold_multiply): Same.
14298 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14299 force_expr_to_var_cost): Same.
14300 * tree-mudflap.c (mf_xform_derefs_1): Same.
14301 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14303 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14305 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14306 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14309 2006-04-07 Jan Hubicka <jh@suse.cz>
14311 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14313 2006-04-07 Richard Guenther <rguenther@suse.de>
14315 PR tree-optimization/26135
14316 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14317 loads for store copy-prop.
14318 (copy_prop_visit_stmt): Likewise.
14320 2006-04-05 Robert Millan <robertmh@gnu.org>
14322 * config/i386/linux.h: Add a comment to mark macros that are
14323 being overriden in config/k*bsd-gnu.h.
14324 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14326 * config/knetbsd-gnu.h: Ditto.
14328 2006-04-06 Jan Hubicka <jh@suse.cz>
14332 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14335 2006-04-06 Mike Stump <mrs@apple.com>
14337 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14338 for HAVE_nonlocal_goto to be consistent.
14339 (expand_builtin_nonlocal_goto): Likewise.
14340 (expand_builtin_strcmp): Use #ifdef instead of #if
14341 for HAVE_cmpstrnsi to be consistent.
14343 2006-04-05 DJ Delorie <dj@redhat.com>
14345 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14348 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14350 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14351 got-relative addressing for anything but SImode.
14353 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14354 even if the calling function doesn't modify them.
14356 2006-04-05 Richard Guenther <rguenther@suse.de>
14358 PR tree-optimization/26919
14359 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14360 to cgraph_estimate_size_after_inlining.
14362 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14364 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14366 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14368 PR tree-optimization/26996
14369 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14370 VECTOR_TYPE variables.
14372 2006-04-05 Richard Guenther <rguenther@suse.de>
14374 PR tree-optimization/26763
14375 * fold-const.c (fold_comparison): Move folding of
14376 PTR + CST CMP PTR + CST ...
14377 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14379 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14381 * doc/install.texi (Prerequisites): Refine some wording on
14382 bootstrapping and ksh.
14383 Move the version numbers of DejaGnu here from the testing section
14384 and fix casing of names.
14385 Fix markup and clarify wording for autogen requirements.
14386 Refer to GCJ instead of just java.
14387 Refer to SVN instead of CVS.
14388 Describe diffutils as useful instead of necessary.
14389 (Downloading the source): Refer to SVN instead of CVS.
14390 Adjust a link to our web site accordingly.
14391 (Configuration): Fix casing of Bison.
14392 (Building): Refer to SVN instead of CVS.
14393 Fix a sentence on the use of Bison and remove duplicate (and
14394 incorrect) version number of Bison requirement.
14395 Remove one redundant list of packages needed for building.
14396 (Specific): Avoid reference to CVS.
14398 2006-04-04 Eric Christopher <echristo@apple.com>
14400 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14401 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14402 (rs6000_handle_struct_attribute): New.
14403 (rs6000_ms_bitfield_layout_p): Ditto.
14405 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14407 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14408 NULL for dso parameter to atexit_common.
14410 2006-04-04 Eric Christopher <echristo@apple.com>
14412 * config/i386/i386.c (machopic_output_stub): Output \t
14413 between instructions and operands.
14415 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14417 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14418 satisfies_constraint_[IL] to explicit tests on value.
14420 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14422 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14423 set_nb_iterations_in_loop): Use build_int_cst instead of
14424 build_int_cst_type.
14425 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14426 build_int_cst instead of convert.
14428 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14430 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14431 new value 2 for incoming.
14432 * function.c (expand_function_start): Call struct_value_rtx
14433 with incoming as 2.
14434 * config/sparc/sparc.md: Comment updated_return.
14435 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14436 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14437 struct return if sparc_std_struct_return and incoming is 2.
14438 (print_operand): Do not adjust return if
14439 sparc_std_struct_return.
14441 2006-04-04 Roger Sayle <roger@eyesopen.com>
14443 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14444 convert in the middle-end.
14445 * expr.c (store_expr, store_constructor, get_inner_reference,
14446 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14448 * tree.c (build_range_type): Likewise.
14450 2006-04-04 Tom Tromey <tromey@redhat.com>
14452 * doc/install.texi (Prerequisites): Mention jar.
14454 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14456 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14459 2006-04-04 Matthias Klose <doko@debian.org>
14461 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14465 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14468 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14470 * doc/extend.texi (Function Attributes): Rewrite visibility
14471 attribute documentation.
14472 * doc/invoke.texi (C++ Dialect Options): Rewrite
14473 -fvisibility-inlines-hidden documentation to describe something
14474 entirely different, although in practise compatible.
14475 (Code Gen Options): Warn about system headers in -fvisibility=
14478 * doc/extend.texi (Other Builtins): Document that
14479 __builtin_nan is a compile-time constant only when its argument
14482 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14484 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14485 trying to remove TRUNCATE check if all bits outside the new mode
14486 are identical to the sign bit.
14488 2006-04-03 Jeff Law <law@redhat.com>
14490 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14491 and operand scanning in some common cases.
14493 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14494 Dale Johannesen <dalej@apple.com>
14497 * regclass.c (struct reg_pref): Update documentation.
14498 (regclass): Set prefclass to NO_REGS if memory is the best option.
14499 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14500 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14501 into account. For non-registers, equate an empty preferred
14502 reload class to a `!' in the constraint; move the if clause to
14503 do so after those that reject the insn.
14504 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14506 (find_dummy_reload): Likewise.
14507 * doc/tm.texi (Register Classes): Document what it means
14508 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14509 * config/i386/i386.c (ix86_preferred_reload_class): Force
14510 using SSE registers (and return NO_REGS for floating-point
14511 constants) if math is done with SSE.
14512 (ix86_preferred_output_reload_class): New.
14513 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14514 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14515 * config/i386/i386.md: Remove # register preferences.
14517 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14520 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14521 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14522 the type of nb_iter.
14523 (instantiate_parameters_1): Convert the operands before calling
14524 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14525 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14527 2006-04-02 Roger Sayle <roger@eyesopen.com>
14529 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14530 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14531 instead of convert.
14532 * dojump.c (do_jump): Likewise.
14533 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14534 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14535 gimplify_boolean_expr): Likewise.
14536 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14537 * varasm.c (array_size_for_constructor): Likewise.
14538 * tree-object-size.c (compute_object_offset): Likewise.
14540 2006-04-02 Roger Sayle <roger@eyesopen.com>
14542 PR middle-end/26977
14543 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14544 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14546 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14548 PR tree-optimization/26939
14549 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14551 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14553 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14554 at_stmt. Convert the type of operands before calling
14555 build_polynomial_chrec.
14556 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14557 add_to_evolution_1.
14558 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14559 (instantiate_parameters_1): Convert the type of operands before calling
14560 build_polynomial_chrec.
14561 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14562 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14563 reset_evolution_in_loop): Insert asserts to check the types of the
14565 (chrec_type): Moved...
14566 (eq_evolutions_p): Use operand_equal_p.
14567 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14568 the types of the operands.
14569 (chrec_type): ...here.
14570 * tree-data-ref.c (create_data_ref): Convert the operands before
14571 calling chrec_replace_initial_condition.
14572 (same_access_functions, analyze_subscript_affine_affine,
14573 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14574 (compute_subscript_distance, analyze_ziv_subscript,
14575 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14576 analyze_miv_subscript): Convert the operands before calling
14577 chrec_fold_minus or chrec_fold_plus.
14579 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14581 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14582 the dependence_relations vector.
14583 (compute_data_dependences_for_loop): Adjust call to
14584 compute_all_dependences.
14586 2006-04-01 Roger Sayle <roger@eyesopen.com>
14587 Richard Henderson <rth@redhat.com>
14589 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14590 gimple_boolify on the condition before calling gimplify_expr.
14592 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14594 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14595 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14596 the frame size. Update to use the new macros.
14597 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14598 * config/xtensa/ieee754-df.S: Likewise.
14600 2006-03-31 Richard Henderson <rth@redhat.com>
14602 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14603 (make_edges): ... here. Control fallthru creation with a local
14604 variable. Do not play with fake edges.
14605 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14606 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14609 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14611 * dwarf2.h (DW64_CIE_ID): Define.
14612 * dwarf2out.c (DWARF_CIE_ID): Define.
14613 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14614 length header. Use DWARF_CIE_ID.
14615 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14616 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14618 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14620 * config/sh/linux-atomic.asm: New file.
14621 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14623 2006-03-31 DJ Delorie <dj@redhat.com>
14625 * config/m32c/cond.md: Set condition flags properly throughout.
14626 * config/m32c/minmax.md: Likewise.
14627 * config/m32c/prologue.md: Likewise.
14628 * config/m32c/bitops.md: Likewise.
14629 * config/m32c/muldiv.md: Likewise.
14630 * config/m32c/mov.md: Likewise.
14631 * config/m32c/addsub.md: Likewise.
14632 * config/m32c/m32c.md: Likewise.
14633 * config/m32c/jump.md: Likewise.
14634 * config/m32c/shift.md: Likewise.
14636 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14637 conditionally output the pattern for this.
14638 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14639 (m32c_compare_redundant): New.
14640 (m32c_output_compare): New.
14641 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14643 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14644 dest, not src. Allow other 4-byte modes.
14646 2006-03-30 Denis Chertykov <denisc@overta.ru>
14648 * doc/md.texi: Refer to avr/constraints.md instead of
14651 2006-03-30 Roger Sayle <roger@eyesopen.com>
14653 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14654 signed vs. unsigned comparison failures on some hosts.
14656 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14659 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14660 change to FLOAT_REGS.
14662 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14663 (rs6000_override_options): Use it.
14664 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14665 only for -mabi=spe/no-spe and -mabi=altivec.
14667 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14669 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14672 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14674 * Makefile.in: Rename docdir to gcc_docdir.
14676 2006-03-30 Roger Sayle <roger@eyesopen.com>
14679 * expr.c (emit_group_store): Optimize group stores into a pseudo
14680 register by using a paradoxical subreg to initialize the destination
14681 if the first or last member of the group specifies a "low part".
14683 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14686 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14687 * target.h (struct gcc_target.speculate_insn): Change type of the
14688 second parameter to 'int'.
14689 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14690 the second operand of the DEPS_LIST.
14691 (copy_DEPS_LIST_list): Update reference to the second operand of the
14693 * rtl.h (alloc_DEPS_LIST): Update signature.
14694 * sched-int.h (ds_t): Change typedef to 'int'.
14695 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14697 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14699 * haifa-sched.c (try_ready): Change condition to restore
14700 non-speculative pattern of the instruction.
14701 (process_insn_depend_be_in_spec): Code to keep probability of the
14702 speculative dependence non-decreasing.
14704 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14706 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14707 (single_move_for_movmem): ... this. Also change all uses.
14708 (bfin_expand_strmov): Renamed to...
14709 (bfin_expand_movmem): ... this. Also change all uses.
14710 * config/bfin/bfin.md (movstrsi): Renamed to...
14711 (movstrsi): ...this.
14713 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14715 PR tree-optimization/26830
14717 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14718 (copy_prop_visit_stmt): Remove write-only variable ann.
14719 (init_copy_prop): Check variable loop depth here. Do not simulate
14720 memory-tag and virtual operand PHIs except for store copy prop.
14722 2006-03-30 Richard Guenther <rguenther@suse.de>
14724 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14725 variants with double arguments.
14727 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14729 * genpreds.c (write_tm_constrs_h): Delete variable p.
14730 * genconditions.c (write_header): Add tm-constrs.h to included
14732 * genpeep.c (main): Add toplev.h to included headers.
14733 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14734 (build/genpeep.o): Add toplev.h dependency.
14735 * config/rs6000/constraints.md: Add "W" constraint.
14737 2006-03-29 Roger Sayle <roger@eyesopen.com>
14739 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14740 sizes by correctly testing whether the size fits a host integer.
14741 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14742 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14743 SImode range for the default sizetype and bitsizetype.
14745 2006-03-29 Roger Sayle <roger@eyesopen.com>
14747 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14748 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14749 quickly if the argument is already of the correct type.
14750 Call fold_build1 instead of build1. Tidy up blank lines.
14752 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14754 * genemit.c (main): Add tm-constrs.h to included headers.
14755 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14756 * genpeep.c (main): Add tm-constrs.h to included headers.
14757 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14758 (write_tm_constrs_h): this and write complete file.
14759 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14760 (write_insn_preds_c): Add tm-constrs.h to included headers.
14761 (gen_constrs): New variable.
14762 (parse_option): Parse "-c".
14763 (main): Invoke write_tm_constrs_h.
14764 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14765 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14766 (object_out_file): Add tm-constrs.h dependency.
14767 (insn-emit.o): Same.
14768 (insn-output.o): Same.
14769 (insn-peep.o): Same.
14770 (insn-preds.o): Same.
14771 (insn-recog.o): Same.
14772 (tm-constsr.h): New target.
14773 (s-constrs-h): New target.
14775 * config/rs6000/constraints.md: New file.
14776 * config/rs6000/rs6000.c: Include tm-constrs.h.
14777 (num_insn_constant_wide): Convert to satisfies_constraint.
14778 (rs6000_rtx_costs): Convert to satisfies_constraint.
14779 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14780 (CONST_OK_FOR_LETTER_P): Delete.
14781 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14782 (EXTRA_CONSTRAINT): Delete.
14783 (EXTRA_MEMORY_CONSTRAINT): Delete.
14784 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14785 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14786 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14787 satisfies_constraint.
14789 * config/i386/i386.c: Include tm-constrs.h.
14791 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14793 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14794 * tree-data-ref.c (find_data_references_in_loop,
14795 compute_data_dependences_for_loop): Use pointers to VEC.
14796 (analyze_all_data_dependences): Adjust calls.
14797 * tree-data-ref.h (find_data_references_in_loop,
14798 compute_data_dependences_for_loop): Adjust declarations.
14799 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14800 compute_data_dependences_for_loop.
14802 2006-03-29 Paul Brook <paul@codesourcery.com>
14804 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14805 (movdf_vfp): Ditto.
14807 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14809 PR tree-optimization/26859
14810 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14812 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14813 for the step after fold_convert.
14815 2006-03-29 Paul Brook <paul@codesourcery.com>
14817 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14818 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14820 2006-03-29 Paul Brook <paul@codesourcery.com>
14822 PR middle-end/23623
14823 * targhooks.c (default_narrow_bitfield): New fuction.
14824 * targhooks.h (default_narrow_bitfield): add prototype.
14825 * target.h (gcc_target): Add narrow_volatile_bitfield.
14826 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14827 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14828 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14829 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14831 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14833 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14835 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14836 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14837 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14838 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14839 (s390_function_arg_float): Allow SDmode and DDmode values to be
14840 passed in floating point registers.
14841 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14842 check with SCALAR_FLOAT_MODE_P.
14843 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14845 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14847 PR tree-optimization/25985
14848 * tree-ssa-loop-niter.c (number_of_iterations_le,
14849 number_of_iterations_ne): Make comments more precise.
14850 (number_of_iterations_cond): Add only_exit argument. Use the
14851 fact that signed variables do not overflow only when only_exit
14853 (loop_only_exit_p): New.
14854 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14855 number_of_iterations_cond.
14857 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14859 PR tree-optimization/26643
14860 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14863 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14865 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14866 (divsi3_i4_int): Likewise.
14868 2006-03-28 Roger Sayle <roger@eyesopen.com>
14870 * expr.c (emit_group_store): Only create a new pseudo reg if the
14871 quantity it needs to hold isn't already a suitable pseudo.
14873 2006-03-28 Jeff Law <law@redhat.com>
14875 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14876 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14878 2006-03-28 Roger Sayle <roger@eyesopen.com>
14880 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14881 the equivalent ~X & Y, and the symmetry related transformations.
14882 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14883 ~X & Y, and symmetry related transforms.
14885 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14887 Revert my 2006-03-27 patches.
14889 2006-03-28 Roger Sayle <roger@eyesopen.com>
14891 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14892 ~(T1)X, when T1 and T2 are integer types of the same precision
14893 and (T2)X isn't an extension.
14895 2006-03-28 Jeff Law <law@redhat.com>
14897 PR tree-optimization/26796
14898 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14899 need EH edge cleanups rather than purging them immediately.
14900 (eliminate_degenerate_phis): Handle queued EH cleanups.
14902 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14904 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14907 2006-03-27 Roger Sayle <roger@eyesopen.com>
14909 PR middle-end/22524
14910 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14911 cast BIT_NOT_EXPR operand to the correct type.
14913 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14915 * tree-loop-linear.c: Don't include varray.h.
14916 (gather_interchange_stats, try_interchange_loops,
14917 linear_transform_loops): Use VEC instead of VARRAY.
14918 * lambda-mat.c: Don't include varray.h.
14919 * tree-chrec.c: Same.
14920 * lambda-trans.c: Same.
14921 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14922 VEC instead of VARRAY.
14923 * tree-vectorizer.h: Idem.
14924 * tree-data-ref.c (dump_data_references,
14925 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14926 initialize_data_dependence_relation, finalize_ddr_dependent,
14927 compute_all_dependences, find_data_references_in_loop,
14928 compute_data_dependences_for_loop, analyze_all_data_dependences,
14929 free_dependence_relation, free_dependence_relations,
14930 free_data_refs): Idem.
14931 * tree-data-ref.h (data_reference_p, subscript_p): New.
14932 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14933 VEC instead of VARRAY.
14934 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14935 (find_data_references_in_loop, compute_data_dependences_for_loop,
14936 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14937 dump_data_dependence_relations, free_dependence_relations,
14938 free_data_refs): Adjust declaration.
14939 (lambda_transform_legal_p): Move declaration here...
14940 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14941 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14942 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14943 vect_analyze_data_refs): Use VEC instead of VARRAY.
14944 * lambda.h (lambda_transform_legal_p): ...from here.
14945 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14946 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14947 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14948 tree-chrec.o): Don't depend on VARRAY_H.
14950 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14952 * rtl.def (Copyright): Update date.
14953 (DEPS_LIST): Change type of the second operand to 'int'.
14954 * target.h (Copyright): Update date.
14955 (struct gcc_target.speculate_insn): Change type of the second parameter
14957 * lists.c (Copyright): Update date.
14958 (alloc_DEPS_LIST): Change signature. Update reference to the second
14959 operand of the DEPS_LIST.
14960 (copy_DEPS_LIST_list): Update reference to the second operand of the
14962 * rtl.h (Copyright): Update date.
14963 (alloc_DEPS_LIST): Update signature.
14964 * sched-int.h (Copyright): Update date.
14965 (ds_t): Change typedef to 'int'.
14966 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14968 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14970 * haifa-sched.c (Copyright): Update date.
14971 (try_ready): Change condition to restore non-speculative pattern
14972 of the instruction.
14973 (process_insn_depend_be_in_spec): Code to keep probability of the
14974 speculative dependence non-decreasing.
14976 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14978 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14979 shut up the compiler.
14981 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14983 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14984 to use lib prefix for target.
14985 ($(T)libic_invalidate_array_4-200.a): Likewise.
14986 ($(T)libic_invalidate_array_4a.a): Likewise.
14988 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14989 J"orn Rennecke <joern.rennecke@st.com>
14991 * superh.opt: New file.
14992 * sh.c (boardtype, osruntime): Remove.
14993 * superh.h (SUBTARGET_OPTIONS): Remove.
14994 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14996 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14997 arguments with ^ and/or [].
14999 * config.gcc (sh-*-*): Add quoting to account for quirk of
15001 Replace == with = in enable_incomplete_targets test.
15003 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15004 with MASK_LITTLE_ENDIAN.
15006 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15007 * config/sh/sh.opt: Added to some comments.
15008 * config/sh/superh.h: Removed some chaff.
15010 * config/sh/sh.opt: Add m4-[1234]00* options.
15011 * config/sh/sh.c (sh_handle_option): Likewise.
15012 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15013 (ic_invalidate_array_4-100.o): New rule.
15014 ($(T)libic_invalidate_array_4-100.a): Likewise.
15015 (ic_invalidate_array_4-200.o): Likewise.
15016 ($(T)libic_invalidate_array_4-200.a): Likewise.
15017 (ic_invalidate_array_4a.o): Likewise.
15018 ($(T)libic_invalidate_array_4a.a): Likewise.
15019 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15020 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15022 * config/sh/crt1.asm: Merged in profiling code.
15023 * config/sh/superh.h (STARTFILE_SPEC): Override.
15024 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15025 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15026 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15028 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15029 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15030 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15032 * sh.opt (mpretend-cmove): New option.
15033 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15034 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15035 (movsicc): Add TARGET_PRETEND_CMOVE code.
15037 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15039 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15040 s390_class_max_nregs): New function prototypes.
15041 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15042 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15043 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15044 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15046 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15048 * dwarf2out.c (add_location_or_const_value_attribute): Call
15049 tree_add_const_value_attribute if nothing else works.
15050 (reference_to_unused): New.
15051 (rtl_for_decl_init): Use reference_to_unused to decide whether
15052 to output an initializer.
15054 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15057 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15058 peephole removing spe frob_di_df_2.
15060 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15062 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15063 (subscript_dependence_tester_1): Declared.
15064 (print_dir_vectors, print_dist_vectors): New.
15065 (debug_data_dependence_relation): New.
15066 (dump_data_dependence_relation): Print more details.
15067 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15068 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15069 (save_dist_v, save_dir_v, add_outer_distances,
15070 build_classic_dist_vector_1): New.
15071 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15072 Don't test for lambda_vector_lexico_pos.
15073 (same_access_functions, add_multivariate_self_dist,
15074 add_other_self_distances, dir_from_dist): New.
15075 (build_classic_dir_vector): Replace implementation almost identical to
15076 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15078 (subscript_dependence_tester_1): New.
15079 (subscript_dependence_tester): Handle the lexicographically negative
15080 distance vectors by recomputing the dependence relation.
15081 (compute_affine_dependence): Remove parameter loop_nest_depth.
15082 (compute_self_dependence): Don't call compute_subscript_distance.
15083 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15084 Add a parameter for the loop_nest.
15085 (find_loop_nest_1, find_loop_nest): New.
15086 (compute_data_dependences_for_loop): Compute the loop nest, and give
15087 up if the nest is not well formed.
15088 * tree-data-ref.h (loop_p): New.
15089 (struct data_dependence_relation): Replace size_vect field with
15090 loop_nest, a vec of loops.
15091 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15092 (DDR_LOOP_NEST): New.
15093 (print_dir_vectors, print_dist_vectors,
15094 debug_data_dependence_relation): Declared.
15095 (index_in_loop_nest): New.
15096 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15097 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15100 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15102 * simplify-rtx.c (simplify_relational_operation): Call
15103 simplify_relational_operation_1 even if mode is VOIDmode.
15105 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15107 PR tree-optimization/26804
15108 * tree.h (DECL_CALL_CLOBBERED): New macro.
15109 (tree_decl_common): Add call_clobbered_flag.
15110 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15111 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15112 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15113 (mark_non_addressable): Ditto.
15114 * tree-ssa.c (verify_call_clobbered): New function.
15115 (verify_alias_info): Use it.
15116 * tree-pass.h (pass_reset_cc_flags): New prototype.
15117 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15118 (reset_cc_flags): New function.
15119 * passes.c (init_optimization_passes): Call reset_cc_flags after
15120 initializing referenced_vars.
15122 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15123 Roger Sayle <roger@eyesopen.com>
15125 PR middle-end/26717
15126 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15127 to 1.0 for non-real operands. Implement A / A optimization for
15130 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15132 * config/i386/i386.c (size_cost): Correct the comment for
15133 cost of storing fp registers.
15134 (i386_cost): Likewise.
15135 (i486_cost): Likewise.
15136 (pentium_cost): Likewise.
15137 (pentiumpro_cost): Likewise.
15138 (k6_cost): Likewise.
15139 (athlon_cost): Likewise.
15140 (k8_cost): Likewise.
15141 (pentium4_cost): Likewise.
15142 (nocona_cost): Likewise.
15143 (generic64_cost): Likewise.
15144 (generic32_cost): Likewise.
15146 2006-03-24 Denis Chertykov <denisc@overta.ru>
15148 * config/avr/avr-protos.h (extra_constraint): Delete.
15149 (extra_constraint_Q): New declaration.
15150 * config/avr/constraints.md: New file.
15151 * config/avr/avr.md: Include it.
15152 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15153 (TMP_REGNO, ZERO_REGNO): Likewise.
15154 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15155 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15156 (extra_constraint): Delete.
15157 (extra_constraint_Q): Test for memory constraint 'Q'.
15158 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15159 (REG_CLASS_FROM_LETTER): Delete.
15160 (CONST_OK_FOR_LETTER_P): Delete.
15161 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15162 (EXTRA_CONSTRAINT): Delete.
15163 (TMP_REGNO): Delete.
15164 (ZERO_REGNO): Delete.
15166 2006-03-24 Jeff Law <law@redhat.com>
15168 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15169 directly. Call mark_new_vars_to_rename slightly earlier.
15171 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15173 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15174 (is_cxx): Likewise.
15175 (gen_compile_unit_die): Use new language types for Objective-C and
15177 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15178 DW_LANG_C_plus_plus.
15181 * config/t-darwin (crt3.o): Work around bug 26840.
15182 * config/darwin-crt3.c: Rewrite.
15183 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15185 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15187 * doc/invoke.texi: Document -femit-class-debug-always
15188 * common.opt: Add -femit-class-debug-always.
15190 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15192 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15193 index and base register.
15194 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15195 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15196 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15197 REGNO_OK_FOR_INDEX_P.
15198 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15200 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15201 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15202 REG_OK_FOR_BASE_P): Definitions removed.
15204 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15206 PR middle-end/26611
15207 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15208 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15209 set yet or weren't marked as local yet.
15211 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15213 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15216 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15218 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15219 (rs6000_legitimate_small_data_p): Delete.
15220 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15221 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15222 and make static. Add forward declaration. Update uses.
15223 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15224 of offsettable_memref_p.
15225 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15226 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15228 2006-03-24 Jeff Law <law@redhat.com>
15230 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15231 around bug in immediate-use iterator.
15233 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15236 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15237 or __LITTLE_ENDIAN__.
15239 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15241 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15242 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15243 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15244 * config/sh/sh.opt (mdiv=): Amend description.
15245 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15246 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15247 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15248 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15249 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15250 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15251 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15252 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15253 TARGET_DIVIDE_CALL_FP.
15255 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15257 * haifa-sched.c (choose_ready): Fix type of the local variable.
15258 Move local variables. Add comment.
15259 (check_reg_live): Change signature. Make callable from debugger.
15260 * sched-int.h (check_reg_live): Update signature.
15261 * sched-ebb.c (check_reg_live): Update parameters.
15262 * sched-rgn.c (check_reg_live): Ditto.
15263 (region_head_or_leaf_p): Check pointer before dereferencing.
15264 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15265 before reload on optimization levels below 1.
15267 2006-03-23 Richard Henderson <rth@redhat.com>
15269 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15273 * config/alpha/predicates.md (local_symbolic_operand): Reject
15276 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15279 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15280 expressions which have overflowed constants.
15282 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15284 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15286 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15288 * cfgloopmanip.c (create_loop_notes): Removed.
15289 * final.c (final_scan_insn): Do not handle loop notes.
15290 * jump.c (squeeze_notes): Ditto.
15291 * cfglayout.c (skip_insns_after_block,
15292 duplicate_insn_chain): Ditto.
15293 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15295 * cfgloop.h (create_loop_notes): Declaration removed.
15297 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15299 * varasm.c (output_constant_pool): Restore fnname and fndecl
15301 (assemble_start_function): Adjust call accordingly.
15302 (assemble_end_function): Likewise.
15304 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15307 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15310 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15312 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15315 * system.h (ICE_EXIT_CODE): New macro.
15316 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15317 (diagnostic_action_after_output): Likewise.
15318 * gcc.c (fatal_ice): New function.
15319 (execute): Use it instead of fatal.
15320 (fancy_abort): Likewise.
15321 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15323 2006-03-22 Jeff Law <law@redhat.com>
15325 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15326 iv_analyze_result returning false.
15328 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15330 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15332 2006-03-22 Richard Henderson <rth@redhat.com>
15334 PR middle-end/26084
15335 * except.c (duplicate_eh_regions_0): New.
15336 (duplicate_eh_region_1): Duplicate the children of the node as
15337 well as the node itself. Link them up properly.
15338 (duplicate_eh_region_2): Merge into ...
15339 (duplicate_eh_regions): ... here. Take copy_region argument, and
15340 copy only a sub-tree if asked. Simplify copying and fixup.
15341 (eh_region_outer_p): New.
15342 * except.h (duplicate_eh_regions): Update decl.
15343 (eh_region_outer_p): Declare.
15344 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15345 (lower_omp_master): Likewise.
15346 (lower_omp_ordered): Likewise.
15347 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15348 (move_stmt_r): Use it to remap labels. Handle recursion vs
15349 remap_decls_p properly.
15350 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15351 (find_outermost_region_in_block): New.
15352 (new_label_mapper): New.
15353 (move_sese_region_to_fn): Copy eh information to the new function
15355 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15357 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15360 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15362 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15363 into shared libraries.
15365 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15367 * doc/md.texi: Refer to i386/constraints.md instead of
15368 i386/predicates.md.
15369 * config/i386/constraints.md: New file, extracted from...
15370 * config/i386/predicates.md: ...here.
15371 * config/i386/i386.md: Include constraints.md.
15373 2006-03-21 Jason Merrill <jason@redhat.com>
15375 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15377 PR middle-end/20297
15378 * expr.c (init_block_move_fn): Force default visibility.
15379 (init_block_clear_fn): Likewise.
15380 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15381 * targhooks.c (default_external_stack_protect_fail): Likewise.
15383 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15385 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15386 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15387 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15388 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15389 (loadgp): Use mips_current_loadgp_style.
15390 (loadgp_noshared): New pattern.
15391 (sibcall_internal): Use MIPS_CALL.
15392 (sibcall_value_internal): Likewise.
15393 (sibcall_value_multiple_internal): Likewise.
15394 (call_internal): Likewise.
15395 (call_value_internal): Likewise.
15396 (call_value_multiple_internal): Likewise.
15397 (call_split): Use MIPS_CALL and add an 'S' constraint.
15398 (call_value_split): Likewise.
15399 (call_value_multiple_split): Likewise.
15400 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15401 (-mshared): New option.
15402 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15403 (mips_current_loadgp_style): Declare.
15404 * config/mips/mips.c (mips_classify_symbol): Avoid using
15405 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15406 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15407 TARGET_ABSOLUTE_ABICALLS.
15408 (override_options): Adjust comments. Improve the warning that is
15409 issued when -mabicalls and -G are used together.
15410 (mips_file_start): Remove comment.
15411 (mips_current_loadgp_style): New function.
15412 (mips_gnu_local_gp): New variable.
15413 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15415 (mips_output_function_prologue): Use mips_current_laodgp_style.
15416 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15417 the cprestore instruction.
15418 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15419 live for TARGET_ABSOLUTE_ABICALLS.
15420 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15421 (ASM_SPEC): Pass down -mshared and -mno-shared.
15422 (MIPS_CALL): New macro.
15423 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15425 * doc/invoke.texi (-mabicalls): Update documentation.
15426 (-mshared): Document.
15428 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15430 * config/ia64/unwind-hpux.c: New file.
15431 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15433 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15436 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15438 2006-03-21 Jeff Law <law@redhat.com>
15440 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15441 type conversions of a VR_VARYING source to a wider type.
15443 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15445 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15446 tm_file on Solaris 10 and later.
15447 (sparc64-*-solaris2*): Likewise.
15448 (sparc-*-solaris2*): Likewise.
15449 * config/sol26.h: Rename to config/sol2-6.h.
15450 * config/sol2-10.h: New file.
15452 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15455 * tree-ssa-pre.c (create_component_ref_by_pieces):
15458 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15461 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15462 return it immediately.
15464 2006-03-21 Michael Matz <matz@suse.de>
15466 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15468 (remove_arc, add_arc): Update num_out_arcs member.
15469 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15471 (cache_presence): New function.
15472 (compare_states_for_equiv): New function.
15473 (state_is_differed): Don't take number of outargs, adjust callers.
15474 Use new invariant for speeding up.
15475 (init_equiv_class): Create initial classes based on sorted
15477 (partition_equiv_class): Don't track out_arcs_num.
15478 (evaluate_equiv_classes): Call cache_presence on all states and
15481 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15483 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15484 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15485 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15486 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15488 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15489 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15490 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15491 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15492 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15494 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15495 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15496 (REGNO_REG_CLASS): ARGP is in PREGS.
15497 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15499 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15500 to deal with those addresses.
15501 * addresses.h: New file.
15502 * caller-save.c: Include "addresses.h".
15503 (init_caller_save): Use new base_reg_class function.
15504 * rtl-factoring.c: Include "addresses.h".
15505 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15506 * recog.c: Include "addresses.h".
15507 (preprocess_constraints): Use new base_reg_class function.
15508 * regrename.c: Include "addresses.h".
15509 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15510 functions. Keep track of a new var INDEX_CODE to compute valid
15512 (replace_oldest_value_addr): Likewise.
15513 (replace_oldest_value_mem): Use base_reg_class.
15514 * reload.c: Include "addresses.h".
15515 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15516 (find_reloads): Use new base_reg_class function.
15517 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15518 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15519 all callers and prototype changed.
15520 * reload1.c: Include "addresses.h".
15521 (maybe_fix_stack_asms): Use base_reg_class.
15522 * regclass.c: Include "addresses.h".
15523 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15524 (init_reg_autoinc): Use new base_reg_class function.
15525 (record_reg_classes): Likewise.
15526 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15527 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15528 Use new args to compute necessary class.
15530 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15531 regrename.o, rtl-factoring.o): Update dependencies.
15532 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15533 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15534 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15535 REG_OK_FOR_INDEX_P): Delete documentation.
15537 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15539 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15540 from V7 to V9 for Solaris 7 and above.
15542 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15544 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15545 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15546 argument pointers may not alias any other storage.
15547 * common.opt: Define option -fargument-noalias-anything.
15548 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15549 alias semantics is specified by flag_argument_noalias > 2.
15551 2006-03-20 Jeff Law <law@redhat.com>
15553 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15554 (pass_phi_only_cprop): Declare.
15555 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15556 with phi_only_cprop
15557 * tree-ssa-dom.c (degenerate_phi_result): New function.
15558 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15559 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15560 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15561 (eliminate_degenerate_phis): Likewise.
15562 (pass_phi_only_cprop): New pass descriptor.
15563 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15564 support code. Callers updated.
15565 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15566 (store_copy_prop): Likewise.
15567 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15569 2006-03-20 Jason Merrill <jason@redhat.com>
15572 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15573 (push_visibility, pop_visibility): Likewise.
15574 * c-pragma.h: Declare them.
15576 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15578 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15580 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15581 parameter and use get_ebb_head_tail.
15582 (sh_md_init_global): Adjust uses of find_regmode_weight.
15584 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15586 * function.h (struct function) <x_tail_recursion_reentry>:
15587 Rename to x_stack_check_probe_note.
15588 (tail_recursion_reentry): Rename to stack_check_probe_note.
15589 * function.c: Replace tail_recursion_reentry with
15590 stack_check_probe_note everywhere.
15591 (expand_function_start): Only emit a note for
15592 stack_check_probe_note with -fstack-protect.
15593 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15595 * emit-rtl.c (remove_unnecessary_notes): Remove.
15596 (pass_remove_unnecessary_notes): Remove.
15597 * rtl.h (remove_unnecessary_notes): Remove prototype.
15598 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15599 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15600 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15602 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15605 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15606 (valid_in_set): Handle ARRAY_REF.
15607 Change "if min_variant or VH" to asserts.
15608 (create_component_ref_by_pieces): Handle ARRAY_REF.
15609 (create_expression_by_pieces): Likewise.
15610 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15612 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15614 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15615 is operand of switch, not str[0].
15617 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15619 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15620 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15622 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15624 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15625 end of insn_extra_address_constraint declaration.
15627 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15629 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15630 (no-sum-in-toc): Same.
15631 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15633 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15634 NO_FP_IN_TOC for -fPIC instead of mask.
15636 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15637 (BOOT_LDFLAGS): Delete.
15639 * config/rs6000/t-aix52: Same.
15641 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15642 (stmsi[345678]_power): New.
15644 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15646 * config/ia64/ia64.opt: Add empty line to end of file.
15648 2006-03-17 Richard Guenther <rguenther@suse.de>
15650 PR middle-end/26721
15651 * builtins.c (get_pointer_alignment): For component style references
15652 adjust alignment to the component type alignment. Make sure
15653 to adjust alignment for component access of constants.
15655 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15657 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15658 unconditional jump.
15660 2006-03-17 Paul Brook <paul@codesourcery.com>
15662 * doc/install.texi: Docuemnt --with-mode.
15663 * config.gcc: Add --with-mode for arm*-*-*.
15664 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15666 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15668 * sh.c (max_labelno_before_reorg): New variable.
15669 (sh_reorg): Initialize it.
15670 (find_barrier): Check max_labelno_before_reorg before using
15671 label_to_alignment. Take length of explicit alignment insns
15672 into account. When seeing a UNSPECV_CONST_END, return it.
15674 * sh.c (fixup_mova): Set mode of affected label to QImode.
15675 (untangle_mova): New function.
15676 (find_barrier): Use it. Check mode of label before decrementing
15678 (sh_reorg): Likewise.
15679 Set mode of all insns back to VOIDmode.
15681 * sh.c (MOVA_LABELREF): New macro.
15682 (mova_p, fixup_mova, sh_reorg): Use it.
15683 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15684 ADDR_DIFF_VEC matches mova.
15686 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15688 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15689 with ATTRIBUTE_UNUSED.
15691 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15693 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15694 pointer, instead of assuming it is possible to derive the
15695 correct args size from a call insn.
15697 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15699 * rtl.h (CONST_INT_P): Define.
15700 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15701 instead of GET_CODE(x) == CONST_INT.
15702 (vax_rtx_costs): Likewise.
15703 (vax_output_int_move): Likewise.
15704 (vax_output_int_add): Likewise.
15705 (legitimate_constant_address_p): Likewise.
15706 (index_term_p): Likewise.
15707 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15708 * config/vax/vax.md (and<mode>3): Likewise.
15709 (ashrsi3): Likewise.
15711 (movstricthi): Likewise.
15712 (movstrictqi): Likewise.
15713 (rotrsi3): Likewise.
15714 (five unnamed insns): Likewise.
15716 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15718 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15719 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15720 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15721 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15722 Pass to ASM_OUTPUT_DWARF_OFFSET.
15723 * dwarf2out.c (debug_frame_section): New.
15724 (output_call_frame_info): Use debug_frame_section. Pass it to
15725 dw2_asm_output_offset.
15726 (output_die): Pass appropriate section to dw2_asm_output_offset.
15727 (output_compilation_unit_header): Likewise.
15728 (output_pubnames): Likewise.
15729 (output_aranges): Likewise.
15730 (enum dw_val_class): Break dw_val_class_lbl_offset into
15731 dw_val_class_lineptr and dw_val_class_macptr.
15732 (add_AT_lbl_offset): Delete.
15733 (add_AT_lineptr): New.
15734 (add_AT_macptr): New.
15735 (AT_lbl): Expect a lineptr or macptr.
15736 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15737 (attr_checksum): Likewise.
15738 (same_dw_val_p): Likewise.
15739 (size_of_die): Likewise.
15740 (value_format): Likewise.
15741 (output_die): Likewise.
15742 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15744 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15745 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15746 * config/darwin-protos.h (darwin_file_start): New.
15747 (darwin_asm_output_dwarf_offset): New.
15748 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15749 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15751 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15752 if not EH section; simplify.
15753 (darwin_file_start): New.
15754 (darwin_asm_output_dwarf_offset): New.
15755 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15757 (DEBUG_INFO_SECTION): Likewise.
15758 (DEBUG_ABBREV_SECTION): Likewise.
15759 (DEBUG_ARANGES_SECTION): Likewise.
15760 (DEBUG_MACINFO_SECTION): Likewise.
15761 (DEBUG_LINE_SECTION): Likewise.
15762 (DEBUG_LOC_SECTION): Likewise.
15763 (DEBUG_PUBNAMES_SECTION): Likewise.
15764 (DEBUG_STR_SECTION): Likewise.
15765 (DEBUG_RANGES_SECTION): Likewise.
15766 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15767 (ASM_OUTPUT_DWARF_OFFSET): New.
15769 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15771 * config.gcc (tm_defines): Always add to previous value rather
15774 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15776 * config/mips/predicates.md (splittable_const_int_operand): New,
15777 split from move_operand.
15778 (splittable_symbolic_operand): New.
15779 (move_operand): Add commentary. Use splittable_const_int_operand.
15780 Inline mips_atomic_symbolic_constant_p.
15781 * config/mips/mips.md: Add combine splitters for handling moves
15782 of splittable_const_int_operands and splittable_symbolic_operands.
15783 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15784 (mips_split_symbol): Declare.
15785 (mips_move_integer): Declare.
15786 * config/mips/mips.c (mips_split_p): Make global.
15787 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15788 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15789 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15790 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15791 (mips_offset_within_object_p): Handle block symbols.
15792 (mips_atomic_symbolic_constant_p): Delete.
15793 (mips_cannot_force_const_mem): Return false for constants that
15794 mips_legitimize_move can handle.
15795 (mips_use_blocks_for_constant_p): New function.
15796 (mips_split_symbol): Make global.
15797 (mips_move_integer): Likewise. Add a temporary register argument.
15798 (mips_legitimize_const_move): Use splittable_const_int_operand and
15799 splittable_symbolic_operand.
15800 (mips_use_anchors_for_symbol_p): New function.
15801 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15802 (mips_split_p): Declare.
15804 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15806 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15807 (mips*-*-linux*): Likewise.
15809 2006-03-16 Roger Sayle <roger@eyesopen.com>
15810 Daniel Speyer <dspeyer@wam.umd.edu>
15812 PR middle-end/18259
15813 * tree-dump.c (dump_real): New function.
15814 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15815 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15816 (tree-dump.o): Add $(REAL_H) to the dependencies.
15818 2006-03-16 Roger Sayle <roger@eyesopen.com>
15820 PR middle-end/21781
15821 * real.c (real_from_string): If the mantissa is zero, don't bother
15822 parsing the exponent as the result should always be zero.
15824 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15826 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15828 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15830 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15831 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15832 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15833 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15834 ia64_sched_finish_global): New static functions to implement
15835 hooks from gcc_target.sched.
15836 (spec_check_no, max_uid, pending_data_specs): New static variables.
15837 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15838 ia64_spec_check_src_p): New static functions.
15839 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15840 (TARGET_SCHED_ADJUST_COST): Removed.
15841 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15842 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15843 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15844 TARGET_SCHED_GEN_CHECK,
15845 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15846 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15847 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15848 Fixed to handle speculation checks.
15849 (rtx_needs_barrier): Fixed to handle speculative loads and
15851 (ia64_variable_issue): Added code to count speculative loads and their
15853 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15855 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15857 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15859 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15860 (ia64_reorg): Reset stops_p to NULL after it is freed.
15861 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15862 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15863 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15865 (data_speculative, control_speculative, check_load): New attributes.
15866 (mov<mode>_advanced, mov<mode>_speculative,
15867 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15868 zero_extend<mode>di2_speculative,
15869 zero_extend<mode>di2_speculative_advanced): New patterns for
15870 data and control speculative loads.
15871 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15873 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15874 New pattern for data and control speculation checks.
15875 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15876 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15877 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15878 Auxiliary definitions for the patterns.
15879 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15880 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15882 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15884 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15885 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15886 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15887 New resource constraints.
15888 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15890 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15891 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15892 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15893 msched-in-control-spec, msched-ldc, msched-control-ldc,
15894 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15895 msched-prefer-non-control-spec-insns,
15896 msched-count-spec-in-critical-path): New flags to tune speculative
15898 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15899 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15900 msched-in-control-spec, msched-ldc, msched-control-ldc,
15901 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15902 msched-prefer-non-control-spec-insns,
15903 msched-count-spec-in-critical-path): Document new flags.
15905 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15907 * target.h (struct spec_info_def): New opaque declaration.
15908 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15909 speculate_insn, needs_block_p, gen_check,
15910 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15911 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15912 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15913 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15914 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15915 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15917 (TARGET_SCHED): Use new macros.
15918 * rtl.h (copy_DEPS_LIST_list): New prototype.
15919 * sched-int.h (struct sched_info): Change signature of new_ready field,
15920 adjust all initializations. New fields: add_remove_insn,
15921 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15922 region_head_or_leaf_p.
15923 (struct spec_info_def): New structure declaration.
15924 (spec_info_t): New typedef.
15925 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15926 recovery_block, orig_pat.
15927 (glat_start, glat_end): New variables declaraions.
15928 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15930 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15931 DETACH_LIFE_INFO, USE_GLAT.
15932 (enum SPEC_SCHED_FLAGS): New enumeration.
15933 (NOTE_NOTE_BB_P): New macro.
15934 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15935 attach_life_info, debug_spec_status, check_reg_live): New functions.
15936 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15937 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15939 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15940 * ddg.c (get_block_head_tail): Adjust all uses.
15941 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15942 (sms_sched_info): Initialize new fields.
15943 (contributes_to_priority): Removed.
15944 * haifa-sched.c (params.h): New include.
15945 (get_block_head_tail): Adjust all uses.
15946 (ISSUE_POINTS): New macro.
15947 (glat_start, glat_end): New global variables.
15948 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15949 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15950 old_last_basic_block, before_recovery, current_sched_info_var,
15951 rgn_n_insns, luid): New static variables.
15952 (insn_cost1): New function. Move logic from insn_cost to here.
15953 (find_insn_reg_weight1): New function. Move logic from
15954 find_insn_reg_weight to here.
15955 (reemit_notes, move_insn, max_issue): Change signature.
15956 (move_insn1): Removed.
15957 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15958 extend_bb): New static functions to support extension of scheduler's
15960 (generate_recovery_code, process_insn_depend_be_in_spec,
15961 begin_speculative_block, add_to_speculative_block,
15962 init_before_recovery, create_recovery_block, create_check_block_twin,
15963 fix_recovery_deps): New static functions to support
15964 generation of recovery code.
15965 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15966 restore_bb_notes, move_block_after_check, move_succs): New static
15967 functions to support ebb scheduling.
15968 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15969 functions to support handling of register live information.
15970 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15971 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15972 add_jump_dependencies): New static functions.
15973 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15974 consistancy checking.
15975 (debug_spec_status): New function to call from debugger.
15976 (priority): Added code to handle speculation checks.
15977 (rank_for_schedule): Added code to distinguish speculative instructions.
15978 (schedule_insn): Added code to handle speculation checks.
15979 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15980 Fixed to handle ebbs.
15981 (move_insn): Added code to handle ebb scheduling.
15982 (max_issue): Added code to use ISSUE_POINTS of instructions.
15983 (choose_ready): Added code to choose between speculative and
15984 non-speculative instructions.
15985 (schedule_block): Added code to handle ebb scheduling and scheduling of
15986 speculative instructions.
15987 (sched_init): Initialize new variables.
15988 (sched_finish): Free new variables. Print statistics.
15989 (try_ready): Added code to handle speculative instructions.
15990 * lists.c (copy_DEPS_LIST_list): New function.
15991 * sched-deps.c (extend_dependency_caches): New function. Move logic
15992 from create_dependency_caches to here.
15993 (get_dep_weak, ds_merge): Make global.
15994 * genattr.c (main): Code to output prototype for
15995 dfa_clear_single_insn_cache.
15996 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15997 (output_dfa_clean_insn_cache_func): Code to output
15998 dfa_clear_single_insn_cache function.
15999 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16001 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16003 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16004 New static variables.
16005 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16006 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16008 (ebb_sched_info): Initialize new fields.
16009 (get_block_head_tail): Adjust all uses.
16010 (compute_jump_reg_dependencies): Fixed to use glat_start.
16011 (schedule_ebb): Code to remove unreachable last block.
16012 (schedule_ebbs): Added code to update register live information.
16013 * sched-rgn.c (region_sched_info): Initialize new fields.
16014 (get_block_head_tail): Adjust all uses.
16015 (last_was_jump): Removed. Adjust users.
16016 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16017 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16018 Implement new hooks.
16019 (check_dead_notes1): New static function.
16020 (struct region): New fields: dont_calc_deps, has_real_ebb.
16021 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16022 (BB_TO_BLOCK): Fixed to handle EBBs.
16023 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16024 (ebb_head): New static variable.
16025 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16026 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16028 (compute_dom_prob_ps): New assertion.
16029 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16030 global_live_at_start.
16031 (init_ready_list): New assertions.
16032 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16033 (new_ready): Add support for BEGIN_CONTROL speculation.
16034 (schedule_insns): Fixed code that updates register live information
16036 (schedule_region): Fixed to handle EBBs.
16037 (init_regions): Use extend_regions and check_dead_notes1.
16038 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16039 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16040 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16041 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16042 TARGET_SCHED_GEN_CHECK,
16043 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16044 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16045 * doc/invoke.texi (max-sched-insn-conflict-delay,
16046 sched-spec-prob-cutoff): Document.
16048 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16050 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16051 inter_tick, queue_index.
16052 (struct sched_info): Change signature of init_ready_list field.
16053 Adjust all initializations.
16054 (RESOLVED_DEPS): New access macro.
16055 (ready_add): Remove prototype.
16056 (try_ready): Add prototype.
16057 * sched-rgn.c (init_ready_list): Use try_ready.
16058 (schedule_region): Initialize
16059 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16060 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16061 (init_ready_list): Use try_ready.
16062 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16063 * lists.c (remove_list_elem): Remove `static'.
16064 (remove_free_INSN_LIST_elem): New function.
16065 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16066 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16067 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16069 (readyp): New variable.
16070 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16071 change_queue_index, resolve_dep): New static functions.
16072 (try_ready): New function. Adjust callers in sched-rgn.c and
16073 sched-ebb.c to use it instead of ready_add.
16074 (clock_var): Move at the begining of file.
16075 (rank_for_schedule): Fix typo.
16076 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16077 (ready_lastpos): Enforce assertion.
16078 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16079 update all callers.
16080 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16081 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16082 (queue_to_ready): Use free_INSN_LIST_list.
16083 (early_queue_to_ready): Fix typo.
16084 (schedule_block): Init readyp. Move init_ready_list call after the
16085 initialization of clock_var. Fix error in rejecting insn by
16086 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16087 that previously corrected INSN_TICKs. Add code for handling
16089 (set_priorities): Fix typo.
16090 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16091 Clarify comment and code that keeps current_sched_info->next_tail
16094 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16096 * sched-rgn.c (extend_rgns): New static function.
16097 (find_rgns): Use it.
16098 (gather_region_statistics, print_region_statistics): New static
16100 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16101 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16103 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16104 Andrey Belevantsev <abel@ispras.ru>
16106 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16107 * lists.c (unused_deps_list): New variable.
16108 (free_list): Add assertions to verify the proper distinguishing
16109 between INSN_LISTs and DEPS_LISTs.
16110 (find_list_elem, remove_list_elem, remove_list_node): New static
16112 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16113 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16114 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16115 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16117 (free_INSN_LIST_node): Likewise.
16118 * modulo-sched.c (current_sched_info): Initialize flags field.
16119 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16120 * rtl.def (DEPS_LIST): Define.
16121 * rtl.h: Declare new functions from lists.c.
16122 * sched-deps.c (spec_dependency_cache): New static variable.
16123 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16124 (add_dependence): Change return type to void. Move the logic to ...
16125 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16126 (delete_all_dependences): Add comment about forward_dependency_cache.
16127 Handle spec_dependency_cache. Handle DEPS_LISTs.
16128 (fixup_sched_groups): Clarify the change of priority of output
16129 and anti dependencies.
16130 (sched_analyze_2): Adjust add_dependence calls to create data
16131 speculative dependence.
16132 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16133 Adjust all callers. Handle DEPS_LISTS.
16134 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16135 presence of speculation.
16136 (init_dependency_caches, free_dependency_caches):
16137 Handle spec_dependency_cache.
16138 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16139 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16140 New static functions.
16141 (add_or_update_back_dep, add_or_update_back_forw_dep,
16142 add_back_forw_dep, delete_back_forw_dep): New functions.
16143 * sched-int.h (ds_t, dw_t): New typedefs.
16144 (struct sched_info): Add new field flags.
16145 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16146 Prototype new sched-deps.c functions.
16147 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16148 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16149 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16150 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16151 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16152 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16154 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16156 * sched-rgn.c (current_sched_info): Initialize flags field.
16157 (schedule_insns): Initialize current_sched_info before the sched_init
16159 * sched-ebb.c (current_sched_info): Initialize flags field.
16160 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16161 Call add_or_update_back_dep instead of add_dependence.
16162 Create control speculative dependencies.
16163 (schedule_insns): Initialize current_sched_info before the sched_init
16166 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16168 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16170 (sh_fallback_frame_state): Likewise.
16172 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16174 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16175 Do switch on default_use_cxa_atexit.
16176 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16177 * config/darwin-crt3.o: New.
16178 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16179 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16180 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16182 * config/rs6000/t-darwin: Move crt2.o building to here.
16183 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16184 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16187 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16189 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16190 from '! xxx' to '!xxx' for coding-style conformance.
16191 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16192 (EXTRA_CONSTRAINT): Likewise.
16193 * config/vax/vax.md (four unnamed insns): Likewise.
16195 2006-03-15 Paul Brook <paul@codesourcery.com>
16197 * config/arm/arm.c (minipool_pad): New.
16198 (add_minipool_forward_ref): Include pool alignment padding in address
16200 (push_minipool_fix): Set minipool_pad.
16201 (minipool_pad): Ditto.
16203 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16205 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16206 instead of GET_CODE() == MEM and REG_P() instead of
16208 (print_operand_address): Likewise.
16209 (vax_address_cost): Likewise.
16210 (vax_rtx_costs): Likewise.
16211 (vax_notice_update_cc): Likewise.
16212 (vax_output_int_add): Likewise.
16213 (INDEX_REGISTER_P): Likewise.
16214 (BASE_REGISTER_P): Likewise.
16215 (nonindexed_address_p): Likewise.
16216 (vax_mode_dependent_address_p): Likewise.
16217 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16218 (PRINT_OPERAND): Likewise.
16219 * config/vax/vax.md (ashlsi3): Likewise.
16220 (ashlsi3): Likewise.
16221 (some more unnamed insns): Likewise.
16223 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16225 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16226 iterator-style macro.
16227 (mark_control_dependent_edges_necessary): Update the use of
16228 EXECUTE_IF_CONTROL_DEPENDENT.
16230 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16232 * config/sh/predicates.md (cache_address_operand): Special.
16233 (ua_address_operand): Likewise.
16235 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16237 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16239 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16241 2006-03-15 Andreas Schwab <schwab@suse.de>
16243 * gensupport.c (identify_predicable_attribute): Don't free p_false
16244 when it is still in use.
16246 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16248 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16249 the default setting here.
16251 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16253 * tree-pass.h (pass_cfg): Remove.
16254 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16255 * passes.c (pass_cfg): Don't run it.
16257 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16259 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16260 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16262 (stack_regs_mentioned): Update the uses of
16263 stack_regs_mentioned_data. Don't access the array beyond its
16265 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16266 Don't include gt-reg-stack.h.
16268 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16269 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16271 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16273 PR middle-end/26684
16274 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16277 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16279 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16281 2006-03-14 Richard Guenther <rguenther@suse.de>
16283 PR tree-optimization/26672
16284 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16287 2006-03-14 Richard Guenther <rguenther@suse.de>
16289 PR tree-optimization/26667
16290 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16291 node for the callees. Always allow inlining if it will shrink
16294 2006-03-14 Richard Guenther <rguenther@suse.de>
16296 PR middle-end/26659
16297 * builtins.c (get_pointer_alignment): Prefer alignment
16298 information from decls over that from types.
16300 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16303 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16305 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16307 * config/rs6000/rs6000.opt (mdlmzb): New option.
16308 (msched-prolog, msched-epilog): Use Var not Mask.
16309 * doc/invoke.texi (-mdlmzb): Document.
16310 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16312 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16313 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16315 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16317 PR rtl-optimization/25739
16318 * bt-load.c (augment_live_range): Free tos pointer.
16320 * gensupport.c (identify_predicable_attribute): Free
16322 * gcov.c (create_file_names): Free name pointer.
16324 2006-03-13 Roger Sayle <roger@eyesopen.com>
16326 PR middle-end/26557
16327 * stmt.c (emit_case_nodes): Handle the case where the index is a
16328 CONST_INT, where the comparison mode is specified by the index type.
16330 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16332 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16335 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16337 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16338 (*branch_fp_inverted): Likewise.
16340 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16342 PR middle-end/25989
16343 * omp-low.c (expand_omp_for_generic): Mark istart0
16344 and iend0 as addressable.
16346 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16348 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16350 2006-03-13 Jeff Law <law@redhat.com>
16352 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16353 virtual operands are interesting.
16354 (vrp_visit_stmt): Corresponding changes.
16356 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16358 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16360 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16361 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16362 * config/bfin/crti.S: Use it instead of __PIC__.
16363 * config/bfin/crtn.S: Likewise.
16365 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16366 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16368 Lose 'G' modifier for call operand.
16369 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16370 recognize 'G' modifier.
16372 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16374 PR middle-end/18859
16375 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16376 * stmt.c (expand_case): Likewise.
16378 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16380 PR rtl-optimization/26254
16381 * loop-invariant.c (seq_insns_valid_p): New function.
16382 (move_invariant_reg): Only emit new code if it is valid.
16384 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16386 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16388 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16389 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16390 (commit_one_edge_insertion): Do not look for loop notes.
16392 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16394 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16395 flag_test_coverage out of loop.
16397 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16399 * final.c (shorten_branches): Remove outdated comment, and turn
16400 the if branch that guards it to continue.
16402 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16404 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16405 * cfgloop.h (struct loop): Remove unused fields.
16407 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16409 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16410 (-dL, -fdump-rtl-loop2): Update the dump file names
16412 * doc/invoke.texi: Update dump file names.
16414 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16416 * predict.c (estimate_probability): Remove.
16417 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16418 * basic-block.h (estimate_probability): Remove prototype.
16419 * passes.c (finish_optimization_passes): Dump branch prediction or
16420 profiling heuristics to the .profile tree dump.
16421 (init_optimization_passes): Unqueue pass_branch_prob.
16423 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16425 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16427 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16428 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16430 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16432 * function.h (frame_offset_overflow): Declare.
16433 * function.c (frame_offset_overflow): New function.
16434 (assign_stack_local_1): Call it to detect that the offset overflows.
16435 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16437 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16439 * config/sh/sh.c: Include alloc-pool.h.
16440 (label_ref_list_pool): New alloc pool.
16441 (label_ref_list_t): New type for lists of labels.
16442 (struct pool_node): Make wend a label_ref_list_t.
16443 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16445 (dump_table): Likewise.
16446 (sh_reorg): Set up the alloc pool before using add_constant and
16447 dump_table, and destroy it when finishing.
16449 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16451 * config/mips/mips.c: Remove redundant comment.
16453 2006-03-10 Jason Merrill <jason@redhat.com>
16456 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16457 the target was declared 'register'.
16459 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16461 * genpreds.c (write_insn_constraint_len): Change definition of
16462 insn_constraint_len to return size_t to match the declaration.
16464 2006-03-10 DJ Delorie <dj@redhat.com>
16466 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16468 (m32c_expand_insv): Fix test for an AND mask.
16470 2006-03-10 Richard Guenther <rguenther@suse.de>
16472 PR middle-end/26565
16473 * builtins.c (get_pointer_alignment): Handle component
16474 references for field alignment.
16476 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16478 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16479 when building with libgloss.
16480 (sh*elf): Implement --without-fp option.
16481 (sh64-superh-linux*): Don't multilib.
16483 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16485 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16487 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16489 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16490 Set it when one of the replacement functions returned true.
16491 Return TODO_cleanup_cfg if cfgchanged is true.
16492 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16494 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16496 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16497 instead of gen_lowpart.
16499 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16501 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16503 (mips_output_order_conditional_branch): Declare.
16504 * config/mips/mips.h (MIPS_BRANCH): New macro.
16505 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16506 for the comparison. Use gen_condjump.
16507 (mips_output_conditional_branch): Rework interface to take the
16508 asm templates for a direct branch and the inverse of a direct branch.
16509 (mips_output_order_conditional_branch): New function.
16510 (mips_builtin_branch_and_move): New function.
16511 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16512 branch condition. Use gen_single_cc as the condition for
16513 __builtin_mips_upper_* or __builtin_mips_lower_*.
16514 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16515 Use VOIDmode for the branch condition.
16516 * config/mips/predicates.md (order_operator): New predicate.
16517 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16518 (branch_fp): Rename to...
16519 (*branch_fp): ...this. Remove mode from comparison operator.
16520 Use new mips_output_conditional_branch interface.
16521 (branch_fp_inverted): Rename to...
16522 (*branch_fp_inverted): ...this and update as for *branch_fp.
16523 (*branch_zero<mode>): Rename to...
16524 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16525 Use mips_output_order_conditional_branch. Only accept ordered
16527 (*branch_zero<mode>_inverted): Rename to...
16528 (*branch_order<mode>_inverted): ...this and update as for
16529 *branch_order<mode>.
16530 (*branch_equality<mode>): Accept zero as the second operand to
16531 the equality operator. Use the new mips_output_conditional_branch
16533 (*branch_equality<mode>_inverted): Likewise.
16534 (condjump): New expander.
16535 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16537 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16538 (bc1any2t, bc1any2f): Likewise.
16539 (single_cc): New expander.
16540 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16542 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16544 * doc/md.texi: Update documentation of MIPS constraints.
16545 * config/mips/constraints.md: New file.
16546 * config/mips/mips.md: Include it.
16547 * config/mips/mips.c (mips_char_to_class): Delete.
16548 (override_options): Don't initialize mips_char_to_class.
16549 * config/mips/mips.h (mips_char_to_class): Delete.
16550 (REG_CLASS_FROM_LETTER): Delete.
16551 (CONST_OK_FOR_LETTER_P): Delete.
16552 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16553 (EXTRA_CONSTRAINT_Y): Delete.
16554 (EXTRA_CONSTRAINT_STR): Delete.
16555 (CONSTRAINT_LEN): Delete.
16556 (EXTRA_MEMORY_CONSTRAINT): Delete.
16558 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16560 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16561 original fn's eh regions.
16563 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16565 * fold-const.c (build_range_check): Make sure to use a valid type to
16566 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16569 (range_predecessor): New static function.
16570 (range_successor): Likewise.
16571 (merge_ranges): Use them to compute predecessors and successors of
16574 2006-03-09 Roger Sayle <roger@eyesopen.com>
16576 PR middle-end/26561
16577 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16578 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16580 2006-03-08 DJ Delorie <dj@redhat.com>
16582 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16583 (addpsi3): Expand to include memory operands. Remove
16584 reload-specific splits.
16585 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16586 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16587 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16588 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16589 (shift1_qi, shift1_hi, insv): New.
16590 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16591 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16592 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16594 * config/m32c/m32c-protos.h: Update as needed.
16595 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16596 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16597 Fail for unrecognized R* constraints.
16598 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16599 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16600 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16602 (m32c_init_libfuncs): New.
16603 (m32c_legitimate_address_p): Add debug wrapper.
16604 (m32c_rtx_costs): New.
16605 (m32c_address_cost): New.
16606 (conversions): Add 'B' prefix.
16607 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16608 operands, or word regnames for QI operands. 'B' prints bit
16610 (m32c_expand_setmemhi): New.
16611 (m32c_expand_movmemhi): New.
16612 (m32c_expand_movstr): New.
16613 (m32c_expand_cmpstr): New.
16614 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16615 (m32c_expand_neg_mulpsi3): Handle non-ints.
16616 (m32c_cmp_flg_0): New.
16617 (m32c_expand_movcc): New.
16618 (m32c_expand_insv): New.
16619 (m32c_scc_pattern): New.
16620 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16621 a0/a1 out of SIregs.
16622 (STORE_FLAG_VALUE): New.
16623 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16626 * config/m32c/mov.md: Make constraints more liberal.
16627 (zero_extendqihi2): Optimize r0/r1 case.
16628 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16629 * config/m32c/predicates.md (m32c_any_operand): New.
16630 (m32c_nonimmediate_operand): New.
16631 (m32c_hl_operand): New.
16632 (m32c_r3_operand): New.
16635 (memsym_operand): New.
16636 (memimmed_operand): New.
16637 (a_qi_operand): New.
16638 (m32c_eqne_operator): New.
16639 (m32c_1bit8_operand): New.
16640 (m32c_1bit16_operand): New.
16641 (m32c_1mask8_operand): New.
16642 (m32c_1mask16_operand): New.
16643 * config/m32c/blkmov.md: New file.
16644 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16646 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16648 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16649 unsigned to fix signed/unsigned comparison issue in
16650 DWARF2_FRAME_REG_OUT.
16651 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16652 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16654 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16655 of ptr into the ENABLE_CHECKING section.
16657 2006-03-08 Jeff Law <law@redhat.com>
16659 * tree-vrp.c (infer_value_range): Only count pointer uses
16660 and dereferences if -fdelete-null-pointer-checks is enabled.
16662 * tree-vrp.c (find_assert_locations): Infer value ranges for
16663 single use pointers, but do not create ASSERT_EXPRs for them.
16664 When a non-null range is inferred for a pointer, backwards
16665 propagate that range to other equivalent pointers through the
16668 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16671 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16672 language hook targets.
16673 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16674 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16675 if language hook targets were missing.
16677 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16679 * tree-ssa-opfinalize.h: Removed.
16680 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16682 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16683 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16684 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16685 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16686 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16687 finalize_ssa_v_must_def_ops): New.
16689 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16691 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16692 block as parameter.
16694 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16696 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16698 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16699 addresses with offsets; reorganize.
16701 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16702 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16703 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16705 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16708 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16710 2006-03-08 Ben Elliston <bje@au.ibm.com>
16712 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16714 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16717 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16720 2006-03-07 Richard Guenther <rguenther@suse.de>
16722 PR tree-optimization/26587
16723 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16725 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16727 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16729 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16731 * hooks.c (hook_bool_mode_rtx_true): New function.
16732 * hooks.h (hook_bool_mode_rtx_true): Declare.
16733 * toplev.c (compile_file): Call output_shared_constant_pool.
16734 * varasm.c (shared_constant_pool): New variable.
16735 (assemble_start_function, assemble_end_function): Remove arguments
16736 from call to output_constant_pool.
16737 (create_constant_pool): New function, split out from...
16738 (init_varasm_status): ...here.
16739 (force_const_mem): Choose between the shared and per-function constant
16740 pools. Set current_function_uses_const_pool when reusing old entries
16741 as well as when creating new ones.
16742 (mark_constant): Ignore data argument.
16743 (mark_constants): Remove pool argument.
16744 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16745 to decide whether the function uses a constant pool.
16746 (output_constant_pool_contents): New function, split out from...
16747 (output_constant_pool): ...here.
16748 (output_shared_constant_pool): New function.
16749 (init_varasm_once): Initialize shared_constant_pool.
16750 * output.h (output_constant_pool): Delete.
16751 (output_shared_constant_pool): Declare.
16752 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16753 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16755 2006-03-06 Nick Clifton <nickc@redhat.com>
16757 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16758 flag_strength_reduce.
16760 2006-03-06 Ben Elliston <bje@au.ibm.com>
16762 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16763 x86_64-*-linux* configurations.
16765 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16766 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16768 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16770 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16772 * basic-block.h: Remove the extern for
16773 rediscover_loops_after_threading.
16775 * cfgloop.c (cancel_loop): Make it static.
16776 * cfgloop.h: Remove the prototype for cancel_loop.
16778 * flow.c (recompute_reg_usage): Make it static.
16779 * rtl.h: Remove the prototype for recompute_reg_usage.
16781 * function.c (use_return_register): Make it static.
16782 * function.h: Remove the prototype.
16784 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16786 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16788 * recog.h: Remove the prototype for
16789 validate_change_maybe_volatile.
16791 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16793 * rtlanal.c (replace_reg): Remove.
16794 * rtl.h: Remove the prototype for replace_reg.
16796 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16798 * regclass.c (reg_scan_update): Remove.
16799 (reg_scan_mark_refs): Remove the last argument.
16800 * rtl.h: Remove the prototype for reg_scan_update.
16802 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16804 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16805 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16806 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16807 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16808 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16809 loop-invariant.c, omp-low.c, opts.c, passes.c,
16810 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16811 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16812 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16813 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16814 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16815 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16817 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16819 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16820 * dwarf2out.h: Remove the prototype for
16821 dwarf2out_add_library_unit_info.
16823 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16825 * tree.c (add_var_to_bind_expr): Remove.
16826 * tree.h: Remove the prototype for add_var_to_bind_expr.
16828 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16830 * regclass.c (n_non_fixed_regs): Remove.
16831 (init_reg_sets_1, globalize_reg): Remove all uses of
16833 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16837 * rtlanal.c (insns_safe_to_move_p): Remove.
16838 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16840 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16842 * expmed.c (expand_mult_add): Remove.
16843 * expr.h: Remove the prototype for expand_mult_add.
16845 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16847 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16848 and REG_SAVED_VAL_EXP constants.
16849 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16850 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16851 Handle regs stored by value.
16852 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16853 (execute_cfa_program): Handle DW_CFA_val_offset,
16854 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16855 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16856 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16857 (uw_install_context_1): Handle target regs stored by value.
16859 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16861 * tree-sra.c (tree_sra): Return todoflags;
16862 (generate_one_element): Set TODO_update_smt_usage if needed.
16863 (pass_sra): Remove TODO_update_smt_usage.
16864 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16866 (tree_ssa_forward_propagate_single_use_vars): Return
16867 TODO_update_smt_usage if we need to update SMT usage.
16868 (pass_forwprop): Remove TODO_update_smt_usage.
16870 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16872 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16873 (correct_use_link): Remove reference to get_stmt_operands.
16874 (update_stmt_operands): Likewise.
16875 (get_modify_expr_operands): New function factored out of
16876 parse_ssa_operands and get_expr_operands.
16877 Try to create V_MUST_DEFs for LHS by default.
16878 (get_expr_operands) <case MODIFY_EXPR>: Call
16879 get_modify_expr_operands.
16880 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16881 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16882 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16883 get_modify_expr_operands.
16885 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16887 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16888 * tree-flow.h: Remove the prototype for
16889 referenced_var_lookup_if_exists.
16891 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16893 PR rtl-optimization/26345
16895 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16897 2006-03-03 Roger Sayle <roger@eyesopen.com>
16899 PR tree-optimization/26524
16900 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16901 fold_convert to create a constant of the appropriate type.
16903 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16905 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16906 SYMBOL_REF_IN_BLOCK_P.
16907 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16908 of SYMBOL_FLAG_IN_BLOCK.
16909 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16910 instead of SYMBOL_REF_IN_BLOCK_P.
16911 * explow.c (use_anchored_address): Likewise.
16912 * rtl.c (rtx_size): Likewise.
16913 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16914 instead of SYMBOL_FLAG_IN_BLOCK.
16915 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16916 SYMBOL_REF_IN_BLOCK_P.
16917 (assemble_variable): Likewise.
16918 (output_constant_def_contents): Likewise.
16919 (output_constant_pool): Likewise.
16920 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16921 instead of SYMBOL_FLAG_IN_BLOCK.
16922 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16923 SYMBOL_REF_IN_BLOCK_P.
16924 (SYMBOL_REF_BLOCK): Likewise.
16925 (SYMBOL_REF_OFFSET): Likewise.
16926 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16927 SYMBOL_REF_IN_BLOCK_P.
16928 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16929 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16930 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16931 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16933 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16935 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16937 2006-03-02 Roger Sayle <roger@eyesopen.com>
16939 * simplify-rtx.c (simplify_unary_operation): When simplifying
16940 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16941 that we perform the right shift in the appropriate mode, and
16942 then extend or truncate the result to requested mode.
16944 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16946 * gengtype.c (main): Handle double_int type.
16947 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16948 * double-int.c: New file.
16949 * double-int.h: New file.
16950 * system.h: Include doubleint.h.
16951 * Makefile.in (SYSTEM_H): Include double-int.h.
16952 (double-int.o): Add.
16954 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16957 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16960 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16962 * tree-vrp.c (remove_range_assertions): Do not update statements
16965 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16967 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16969 * gcse.c (rest_of_handle_gcse): Ditto.
16970 * except.c (gate_handle_eh): Ditto.
16971 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16972 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16974 2006-03-02 Eric Christopher <echristo@apple.com>
16976 * config/i386/i386.c (machopic_output_stub): Add indirection to
16979 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16983 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16985 Sun Niagara specific optimizations.
16986 * config.gcc: Recognize niagara as target.
16987 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16988 (TARGET_CPU_niagara): Define.
16989 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16990 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16991 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16992 (ASM_CPU_SPEC): Likewise.
16993 (PROCESSOR_NIAGARA): New enum entry.
16994 (REGISTER_MOVE_COST): Handle Niagara.
16995 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16996 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16997 (sparc_override_options): Recognize "niagara", set appropriate
16998 default MASK_* values for it, and align functions to 32-bytes
16999 by default just like ULTRASPARC/ULTRASPARC3.
17000 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17001 (sparc64_initialize_trampoline): Likewise.
17002 (sparc_use_sched_lookahead): Use zero for niagara.
17003 (sparc_issue_rate): Use one for niagara.
17004 * config/sparc/niagara.md: New file.
17005 * config/sparc/sparc.md: Include it.
17006 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17007 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17008 when default cpu is niagara.
17009 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17010 (ASM_CPU_SPEC): Likewise.
17011 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17012 when default cpu is niagara.
17013 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17014 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17015 just like v9/ultrasparc/ultrasparc3.
17016 * doc/invoke.texi: Add documentation for "niagara" and improve
17017 existing documentation for ultrasparc variants.
17019 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17021 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17023 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17025 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17026 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17027 and say that only one is needed.
17028 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17029 * target.h (have_switchable_bss_sections): New hook.
17030 * explow.c (use_anchored_address): Check that the symbol is in a block.
17031 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17032 (bss_noswitch_section): New variables.
17033 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17034 (get_noswitch_section): New function.
17035 (get_block_for_section): Allow SECT to be null.
17036 (unlikely_text_section_p): Use SECTION_STYLE.
17037 (bss_initializer_p): New function.
17038 (get_variable_section): Move earlier in file. Take a new argument,
17039 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17040 Return one of the new *_sections in such cases.
17041 (get_block_for_decl): New function, extracting some logic from
17042 use_blocks_for_decl_p.
17043 (change_symbol_section): Remove in favor of...
17044 (change_symbol_block): ...this new function.
17045 (use_blocks_for_decl_p): Remove checks now performed by
17046 get_block_for_decl.
17047 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17048 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17049 (emit_local, emit_bss, emit_common): ...these new functions.
17050 Return true if the alignment was honored.
17051 (emit_tls_common): New function.
17052 (asm_emit_uninitialised): Delete.
17053 (assemble_variable_noswitch): New function, split out from...
17054 (assemble_variable): ...here. Don't make decisions about common
17055 variables here. Globalize all public decls that go into non-common
17056 sections. Check whether SYMBOL_REF_BLOCK is null.
17057 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17058 (output_constant_pool): Likewise.
17059 (init_varasm_once): Initialize the new section variables.
17060 (have_global_bss_p): New function.
17061 (categorize_decl_for_section): Use bss_initializer_p.
17062 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17063 (place_block_symbol): Assert that the symbol must be in a block.
17064 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17065 (TARGET_INITIALIZER): Include it.
17066 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17067 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17068 (SECTION_MACH_DEP): Bump by two.
17069 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17070 (unnamed_section): Mention SECTION_UNNAMED in comment.
17071 (named_section): Likewise SECTION_NAMED.
17072 (noswitch_section_callback): New type.
17073 (noswitch_section): New structure.
17074 (section): Add a noswitch_section alternative.
17075 (SECTION_STYLE): New macro.
17076 (tls_comm_section, comm_section, lcomm_section): Declare.
17077 (bss_noswitch_section, have_global_bss_p): Declare.
17078 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17079 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17081 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17082 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17085 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17087 * tree-vrp.c (execute_vrp): Return value.
17088 * regrename.c (rest_of_handle_regrename): Ditto.
17089 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17090 * tree-complex.c (tree_lower_complex): Ditto.
17091 (tree_lower_complex_O0): Ditto.
17092 * tracer.c (rest_of_handle_tracer): Ditto.
17093 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17094 * postreload.c (rest_of_handle_postreload): Ditto.
17095 * tree-tailcall.c (execute_tail_recursion): Ditto.
17096 (execute_tail_calls): Ditto.
17097 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17098 * tree.h (init_function_for_compilation): Ditto.
17099 * ipa-cp.c (ipcp_driver): Ditto.
17100 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17101 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17102 * final.c (compute_alignments): Ditto.
17103 (rest_of_handle_final): Ditto.
17104 (rest_of_handle_shorten_branches): Ditto.
17105 (rest_of_clean_state): Ditto.
17106 * omp-low.c (execute_expand_omp): Ditto.
17107 (execute_lower_omp): Ditto.
17108 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17109 * ipa-reference.c (static_execute): Ditto.
17110 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17111 * reorg.c (rest_of_handle_delay_slots): Ditto.
17112 (rest_of_handle_machine_reorg): Ditto.
17113 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17114 * flow.c (recompute_reg_usage): Ditto.
17115 (rest_of_handle_remove_death_notes): Ditto.
17116 (rest_of_handle_life): Ditto.
17117 (rest_of_handle_flow2): Ditto.
17118 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17119 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17120 (do_ssa_store_ccp): Ditto.
17121 (execute_fold_all_builtins): Ditto.
17122 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17123 * modulo-sched.c (rest_of_handle_sms): Ditto.
17124 * ipa-pure-const.c (static_execute): Ditto.
17125 * cse.c (rest_of_handle_cse): Ditto.
17126 (rest_of_handle_cse2): Ditto.
17127 * web.c (rest_of_handle_web): Ditto.
17128 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17129 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17130 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17131 * tree-nrv.c (tree_nrv): Ditto.
17132 (execute_return_slot_opt): Ditto.
17133 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17134 (create_structure_vars): Ditto.
17135 * loop-init.c (rtl_loop_init): Ditto.
17136 (rtl_loop_done): Ditto.
17137 (rtl_move_loop_invariants): Ditto.
17138 (rtl_unswitch): Ditto.
17139 (rtl_unroll_and_peel_loops): Ditto.
17140 (rtl_doloop): Ditto.
17141 * gimple-low.c (lower_function_body): Ditto.
17142 (mark_used_blocks): Ditto.
17143 * tree-ssa-sink.c (execute_sink_code): Ditto.
17144 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17145 (cgraph_early_inlining): Ditto.
17146 * global.c (rest_of_handle_global_alloc): Ditto.
17147 * jump.c (cleanup_barriers): Ditto.
17148 (purge_line_number_notes): Ditto.
17149 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17150 (rest_of_handle_if_after_reload): Ditto.
17151 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17152 (tree_ssa_loop_im): Ditto.
17153 (tree_ssa_loop_unswitch): Ditto.
17154 (tree_vectorize): Ditto.
17155 (tree_linear_transform): Ditto.
17156 (tree_ssa_loop_ivcanon): Ditto.
17157 (tree_ssa_empty_loop): Ditto.
17158 (tree_ssa_loop_bounds): Ditto.
17159 (tree_complete_unroll): Ditto.
17160 (tree_ssa_loop_prefetch): Ditto.
17161 (tree_ssa_loop_ivopts): Ditto.
17162 (tree_ssa_loop_done): Ditto.
17163 * predict.c (tree_estimate_probability): Ditto.
17164 * recog.c (split_all_insns_noflow): Ditto.
17165 (rest_of_handle_peephole2): Ditto.
17166 (rest_of_handle_split_all_insns): Ditto.
17167 * tree-eh.c (lower_eh_constructs): Ditto.
17168 * regmove.c (rest_of_handle_regmove): Ditto.
17169 (rest_of_handle_stack_adjustments): Ditto.
17170 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17171 * function.c (instantiate_virtual_regs): Ditto.
17172 (init_function_for_compilation): Ditto.
17173 (rest_of_handle_check_leaf_regs): Ditto.
17174 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17175 (rest_of_handle_gcse): Ditto.
17176 * ipa-type-escape.c (type_escape_execute): Ditto.
17177 * alias.c (rest_of_handle_cfg): Ditto.
17178 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17179 * profile.c (rest_of_handle_branch_prob): Ditto.
17180 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17181 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17182 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17183 * tree-dfa.c (find_referenced_vars): Ditto.
17184 * except.c (set_nothrow_function_flags): Ditto.
17185 (convert_to_eh_region_ranges): Ditto.
17186 (rest_of_handle_eh): Ditto.
17187 * emit-rtl.c (unshare_all_rtl): Ditto.
17188 (remove_unnecessary_notes): Ditto.
17189 * except.h (set_nothrow_function_flags): Ditto.
17190 (convert_to_eh_region_ranges): Ditto.
17191 * cfgexpand.c (tree_expand_cfg): Ditto.
17192 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17193 * tree-ssa-pre.c (do_pre): Ditto.
17194 (execute_fre): Ditto.
17195 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17196 (rest_of_handle_jump2): Ditto.
17197 * tree-sra.c (tree_sra): Ditto.
17198 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17199 (execute_mudflap_function_decls): Ditto.
17200 * tree-ssa-copy.c (do_copy_prop): Ditto.
17201 (do_store_copy_prop): Ditto.
17202 * ipa-prop.h (ipcp_driver): Ditto.
17203 * cfglayout.c (insn_locators_initialize): Ditto.
17204 * tree-ssa-forwprop.c
17205 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17206 * cfglayout.h (insn_locators_initialize): Ditto.
17207 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17208 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17209 (execute_late_warn_uninitialized): Ditto.
17210 * rtl.h (cleanup_barriers): Ditto.
17211 (split_all_insns_noflow): Ditto.
17212 (purge_line_number_notes): Ditto.
17213 (unshare_all_rtl): Ditto.
17214 (remove_unnecessary_notes): Ditto.
17215 (recompute_reg_usage): Ditto.
17216 (variable_tracking_main): Ditto.
17217 * integrate.c (emit_initial_value_sets): Ditto.
17218 * integrate.h (emit_initial_value_sets): Ditto.
17219 * tree-optimize.c (execute_free_datastructures): Ditto
17220 (execute_free_cfg_annotations): Ditto.
17221 (execute_fixup_cfg): Ditto.
17222 (execute_cleanup_cfg_pre_ipa): Ditto.
17223 (execute_cleanup_cfg_post_optimizing): Ditto.
17224 (execute_init_datastructures): Ditto.
17225 * tree-object-size.c (compute_object_sizes): Ditto.
17226 * combine.c (rest_of_handle_combine): Ditto.
17227 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17228 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17229 (rest_of_handle_reorder_blocks): Ditto.
17230 (rest_of_handle_partition_blocks): Ditto.
17231 * var-tracking.c (variable_tracking_main): Ditto.
17232 * tree-profile.c (tree_profiling): Ditto.
17233 * tree-vect-generic.c (expand_vector_operations): Ditto.
17234 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17235 * sched-rgn.c (rest_of_handle_sched): Ditto.
17236 (rest_of_handle_sched2): Ditto.
17237 * basic-block.h (free_bb_insn): Ditto.
17238 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17239 * tree-cfg.c (execute_build_cfg): Ditto.
17240 (remove_useless_stmts): Ditto.
17241 (split_critical_edges): Ditto.
17242 (execute_warn_function_return): Ditto.
17243 (execute_warn_function_noreturn): Ditto.
17244 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17245 * cfgrtl.c (free_bb_for_insn): Ditto.
17246 * passes.c (execute_one_pass): Run additional
17247 todos returned by execute function.
17248 * tree-pass.h (struct tree_opt_pass): Make execute
17251 2006-03-02 Richard Guenther <rguenther@suse.de>
17253 * tree-ssa-alias.c (find_used_portions): Consider taking
17254 the address as making the variable not write-only.
17256 2006-03-02 Nick Clifton <nickc@redhat.com>
17258 * config.gcc (default_use_cxa_atexit): Extend the description of
17259 this configure variable. Set its default value to "yes" for
17260 Linux, NetBSD and ELF targets on the assumption that they will
17261 use C libraries with the __cxa_atexit function.
17263 2006-03-02 Ben Elliston <bje@au.ibm.com>
17265 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17266 parameter as unused to suppress a build warning.
17268 2006-03-02 Ben Elliston <bje@au.ibm.com>
17270 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17273 2006-03-01 Roger Sayle <roger@eyesopen.com>
17276 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17277 declared name, the weak reference name, and the typeof name.
17278 (__gthrw): Avoid expanding the declared name suffix.
17279 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17281 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17283 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17285 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17286 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17287 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17288 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17289 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17290 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17291 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17292 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17293 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17294 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17295 (DW_END_default, DW_END_big, DW_END_little): New.
17296 (DW_END_lo_user, DW_END_hi_user): Define.
17297 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17298 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17299 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17302 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17304 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17306 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17308 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17310 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17312 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17313 to 'symbol_mem_tag'.
17315 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17318 2006-03-01 Roger Sayle <roger@eyesopen.com>
17320 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17322 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17325 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17326 MACHO_DYNAMIC_NO_PIC_P.
17327 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17329 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17332 * config/darwin-protos.h (darwin_asm_output_anchor):
17334 * config/darwin-sections.def (cstring_section):
17335 Add SECTION_MERGE to the flags.
17336 (literal4_section): Likewise.
17337 (literal8_section): Likewise.
17338 (objc_selector_refs_section): Likewise.
17339 (objc_cls_refs_section): Likewise.
17340 * config/darwin.c (darwin_asm_output_anchor): New
17342 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17344 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17346 Fix PR tree-optimization/26443
17347 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17348 to todo and PROP_tmt_usage to properties_destroyed.
17349 * tree-ssa-ccp.c (pass_ccp): Ditto.
17350 (pass_store_ccp): Ditto.
17351 * tree-ssa-dom.c (pass_dominator): Ditto.
17353 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17355 * tree-ssa-operands.c: Cleanup whitespace.
17356 (get_asm_expr_operands): Move before first invocation.
17357 (get_indirect_ref_operands): Likewise.
17358 (get_tmr_operands): Likewise.
17359 (get_call_expr_operands): Likewise.
17360 (append_def): Likewise.
17361 (append_use): Likewise.
17362 (append_v_may_def): Likewise.
17363 (append_v_must_def): Likewise.
17364 (add_call_clobber_ops): Likewise.
17365 (add_call_read_ops): Likewise.
17366 (add_stmt_operand): Likewise.
17367 (add_virtual_operand): Likewise.
17368 (build_ssa_operands): Likewise.
17370 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17372 PR middle-end/26022
17374 PR middle-end/24437
17375 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17376 with a call expr to ...
17377 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17379 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17381 * tree-vrp.c (extract_range_from_assert): Remove special
17382 handling for types with super-types.
17384 2006-03-01 Ben Elliston <bje@au.ibm.com>
17386 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17387 and powerpc64-*-linux* configurations.
17388 * config/t-dfprules: New file.
17390 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17391 Compile dfp-bit.c from the source directory using -DWIDTH and
17392 $DFP_CFLAGS to control the compilation of that file, rather than
17393 generating width-specific versions in the build directory.
17394 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17395 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17397 2006-02-28 Zack Weinberg <zackw@panix.com>
17399 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17402 2006-02-28 Eric Christopher <echristo@apple.com>
17404 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17405 Set up IN_LIBGCC definition of TARGET_64BIT.
17406 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17408 2006-02-28 Roger Sayle <roger@eyesopen.com>
17410 PR middle-end/14752
17411 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17412 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17413 cases via the construction of "expr != 0".
17415 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17417 * alias.c (alias_invariant, alias_invariant_size): Remove.
17418 (record_base_value): Remove.
17419 (memrefs_conflict_p): Don't look at alias_invariant.
17420 (end_alias_analysis): Don't free it.
17421 * alias.h (record_base_value): Remove prototype.
17423 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17424 Adam Nemet <anemet@caviumnetworks.com>
17426 * rtl.h (truncated_to_mode): Declare it.
17427 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17428 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17429 (RTL_HOOKS_INITIALIZER): Include it.
17430 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17431 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17432 reg_truncated_to_mode.
17433 * rtlanal.c (truncated_to_mode): Define it.
17434 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17436 2006-02-28 Jeff Law <law@redhat.com>
17438 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17439 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17440 the range allowed by TYPE_PRECISION.
17442 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17444 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17446 PR tree-optimization/26419
17447 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17450 2006-02-27 Zack Weinberg <zackw@panix.com>
17452 * doc/md.texi: Fix typo in previous change.
17454 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17458 2006-02-27 Zack Weinberg <zackw@panix.com>
17460 * rtl.def (define_constraint, define_register_constraint)
17461 (define_memory_constraint, define_address_constraint): New MD forms.
17462 * gensupport.c (process_rtx): Put define_constraint etc on the
17464 * genpreds.c (process_define_predicate): Adjust comment. Validate
17465 the name, and call validate_exp to validate the expression.
17466 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17467 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17468 all callers changed.
17469 (validate_exp, needs_variable, struct constraint_data)
17470 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17471 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17472 (const_dbl_constraints, constraint_max_namelen)
17473 (have_register_constraints, have_memory_constraints)
17474 (have_address_constraints, have_address_constraints)
17475 (have_extra_constraints, have_const_int_constraints)
17476 (have_const_dbl_constraints, mangle, add_constraint)
17477 (process_define_constraint, process_define_register_constraint)
17478 (write_enum_constraint_num, write_lookup_constraint)
17479 (write_insn_constraint_len, write_regclass_for_constraint)
17480 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17481 (write_insn_extra_memory_constraint)
17482 (write_insn_extra_address_constraint)
17483 (write_satisfies_constraint_fns): New.
17484 (write_tm_preds_h): If we have new-style constraint definitions,
17485 prototype the functions generated from them, and define the
17486 old constraint interface (still used by generic code) in terms of
17488 (write_insn_preds_c): If we have new-style constraint definitions,
17489 generate all relevant functions from those definitions.
17490 (main): Handle define_constraint etc.
17491 * genoutput.c (struct constraint_data, indep_constraints)
17492 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17493 (mdep_constraint_len): New data structures and functions, defined
17494 #ifdef USE_MD_CONSTRAINTS.
17495 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17496 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17497 use new logic to validate operand constraints against constraint
17499 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17501 * defaults.h: If none of the old-style constraint macros are
17502 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17503 old-style macros; and poison REG_CLASS_FROM_LETTER,
17504 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17506 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17507 * doc/md.texi: Document new constraint-definition mechanism and the
17508 C interface it provides. Remove references to old mechanism
17509 elsewhere in the document.
17510 (Machine Constraints): Use pathnames relative to gcc directory,
17511 i.e. config/ARCH/FILE. Change i386 section to refer to
17512 config/i386/predicates.md; update that section to match docstrings.
17513 * doc/tm.texi: Move all documentation of the old constraint-
17514 definition macros to their own section, clearly mark as obsolete.
17516 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17517 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17519 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17520 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17521 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17522 constraint strings.
17523 (splits and peepholes): Use satisfies_constraint_*.
17524 * config/i386/i386.c (memory_address_length)
17525 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17527 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17529 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17530 scalar operation to be put back into the loop.
17532 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17535 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17536 (extract_cie_info): Handle S flag in augmentation string.
17537 (execute_cfa_program): If context->signal_frame, execute also
17538 fs->pc == context->ra instructions.
17539 (uw_frame_state_for): If context->signal_frame, don't subtract one
17540 from context->ra to find FDE.
17541 (uw_update_context_1): Set context->signal_frame to
17543 (_Unwind_GetIPInfo): New function.
17544 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17545 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17547 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17548 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17549 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17550 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17551 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17552 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17553 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17554 x86_64_fallback_frame_state): Set fs->signal_frame.
17555 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17556 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17557 (frob_update_context): Likewise. Workaround missing S flag in
17558 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17559 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17560 Remove the psw_addr + 1 hack.
17562 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17564 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17565 with aggregates here.
17566 (find_func_aliases): Remove code for &<aggregate> from here.
17568 2006-02-26 Roger Sayle <roger@eyesopen.com>
17570 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17571 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17572 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17573 as (X & C) ne/eq 0.
17575 2006-02-26 Roger Sayle <roger@eyesopen.com>
17577 PR middle-end/19983
17578 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17580 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17582 * opts.c (decode_options): Do not handle flag_strength_reduce.
17583 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17584 and OPT_fstrength_reduce.
17585 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17586 flag_prefetch_loop_arrays for being nonzero.
17587 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17589 (fprefetch-loop-arrays-rtl): Removed.
17590 (flag_prefetch_loop_arrays): Do not specify the value.
17592 * doc/passes.texi: Update documentation of loop optimizer
17594 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17595 -frerun-loop-opt): Remove.
17597 2006-02-26 Richard Guenther <rguenther@suse.de>
17599 PR tree-optimization/26421
17600 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17601 in function calls that are ADDR_EXPRs as using the whole structure.
17603 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17605 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17606 * tree-pass.h (pass_loop_optimize): Remove.
17607 * passes.c (pass_loop_optimize): Never run it.
17608 * toplev.c (backend_init): Don't call init_loop.
17609 * opts.c (flag_loop_optimize_set): Remove.
17610 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17611 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17612 the old RTL loop optimizer when profiling enabled.
17613 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17614 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17615 pre-headers for the sake of the old RTL loop optimizer.
17616 * Makefile.in: Remove all references to loop.o.
17618 * doc/invoke.texi: Remove all references to -floop-optimize
17619 and -frerun-loop-opt.
17621 2006-02-26 Zack Weinberg <zackw@panix.com>
17623 * doc/md.texi (Machine Constraints): Refer to all files with paths
17624 relative to gcc directory (i.e. config/CPU/file). Add missing
17625 @table @code ... @end table to M32C subsection.
17627 2006-02-26 Roger Sayle <roger@eyesopen.com>
17629 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17631 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17633 2006-02-26 Roger Sayle <roger@eyesopen.com>
17634 James A. Morrison <phython@gcc.gnu.org>
17636 PR middle-end/21137
17637 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17638 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17639 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17640 signedness of the shift operation.
17642 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17644 PR tree-optimization/26359
17645 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17647 2006-02-25 Roger Sayle <roger@eyesopen.com>
17649 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17650 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17651 as X == 0, and some symmetry related transformations.
17652 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17654 2006-02-25 Roger Sayle <roger@eyesopen.com>
17656 PR middle-end/23673
17657 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17658 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17659 symmetry related transformations. Fold (X^C1) == C2 as
17662 2006-02-25 Juergen Weigert <jw@suse.de>
17663 Richard Guenther <rguenther@suse.de>
17665 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17667 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17669 * combine.c (gen_lowpart_or_truncate): Call
17670 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17672 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17674 * doc/invoke.texi: Move -fopenmp description to "Options for
17676 Remove reference to -lgomp.
17678 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17680 * doc/install.texi: Require GNU tar version 1.14.
17682 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17684 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17685 * doc/invoke.texi (C++ Dialect Options): Document
17686 -fno-use-cxa-get-exception-ptr.
17687 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17688 * configure: Regenerate.
17689 * c.opt (fuse-cxa-get-exception-ptr): New.
17690 * c-opts.c (c_common_handle_option): Handle
17691 OPT_fuse_cxa_get_exception_ptr.
17692 * c-common.c (flag_use_cxa_atexit): Update documentation.
17693 (flag_use_cxa_get_exception_ptr): New.
17694 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17695 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17697 (C_COMMON_OVERRIDE_OPTIONS): New.
17699 2006-02-24 Roger Sayle <roger@eyesopen.com>
17701 PR middle-end/24952
17702 * combine.c (try_combine): Explicitly check whether GET_CODE is
17703 a SET or a CLOBBER, instead on checking that it isn't a USE.
17705 2006-02-24 Roger Sayle <roger@eyesopen.com>
17707 * fold-const.c (fold_comparison): New subroutine of fold_binary
17708 containing transformations common to both the equality and
17709 ordering relational operators, factored out of fold_binary.
17710 (fold_binary): Separate out the equality operators (EQ_EXPR
17711 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17712 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17713 transformations common to both.
17714 (fold_div_compare): Fix latent bugs in the previously unreachable
17715 LT_EXPR and GE_EXPR cases.
17717 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17719 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17720 decl libname for clog to __clog on AIX.
17722 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17724 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17727 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17728 output traceback table for thunks. Localise rs6000_stack_info call.
17730 2006-02-23 Roger Sayle <roger@eyesopen.com>
17731 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17733 * gthr-posix.h (__gthrw): Fix typo in comment.
17735 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17737 * doc/cpp.texi (Character sets): Document that we do support
17738 input files to be in any character set.
17740 2006-02-23 Jeff Law <law@redhat.com>
17742 * tree.h (PHI_ARG_NONZERO): Remove.
17743 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17744 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17745 node to the new node.
17747 PR tree-optimization/26425
17748 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17749 min/max, then assume its varying.
17751 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17753 PR rtl-optimization/26316
17754 * rtlanal.c (enum may_trap_p_flags): New.
17755 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17756 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17757 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17758 (may_trap_after_code_motion_p): New function.
17759 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17760 (find_invariant_insn): Use may_trap_after_code_motion_p.
17761 * rtl.h (may_trap_after_code_motion_p): Declare.
17763 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17765 * emit-rtl.c (immed_double_const): Cleanup.
17767 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17769 Fix PR tree-optimization/26376
17770 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17773 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17775 PR middle-end/26412
17776 * gimplify.c (omp_add_variable): Guard variable size decl test with
17777 DECL_SIZE (decl) check.
17779 2006-02-23 Richard Guenther <rguenther@suse.de>
17781 PR middle-end/26439
17782 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17783 like aggregate types.
17785 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17787 * configure.ac: Add --with{,out}-long-double-128 configure option.
17788 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17789 * configure: Rebuilt.
17790 * config.in: Rebuilt.
17791 * doc/install.texi (Options specification): Document
17792 --with-long-double-128.
17794 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17795 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17796 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17797 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17799 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17801 * config/s390/s390.c (override_options): Handle
17802 TARGET_DEFAULT_LONG_DOUBLE_128.
17804 * config/alpha/alpha.c (override_options): Handle
17805 TARGET_DEFAULT_LONG_DOUBLE_128.
17807 * config/sparc/sparc.c (sparc_override_options): Handle
17808 TARGET_DEFAULT_LONG_DOUBLE_128.
17810 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17812 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17813 (real-install-headers-tar, real-install-headers-cpio)
17814 (real-install-headers-cp): New targets.
17816 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17818 * tree.h (variable_section): Delete.
17819 * varasm.c (variable_section): Delete.
17821 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17823 * install.texi: Add notes on install.texi2html.
17824 (Building in parallel): Do not use footnotes.
17826 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17829 * doc/install.texi (Configuration): Document --disable-libgomp.
17831 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17833 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17835 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17837 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17838 (vec_extractv2df_0_sse): New.
17840 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17842 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17843 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17844 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17845 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17846 to the result of the expression.
17847 (def_cfa_1): Adjust.
17848 (frame_pointer_cfa_offset): Rename to...
17849 (frame_pointer_fb_offset): ... this. Adjust all uses.
17850 (convert_cfa_to_loc_list): Rename to...
17851 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17852 Pass it on to build_cfa_loc.
17853 (compute_frame_pointer_to_cfa_displacement): Rename to...
17854 (compute_frame_pointer_to_fb_displacement): ... this. New
17855 offset parameter. Use it in computation.
17856 (gen_subprogram_die): Compute cfa_fb_offset with the new
17857 macro, and use it to compute the fb loc list and the
17860 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17862 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17863 replaced with register_operand.
17864 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17865 non-DREG is expensive.
17866 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17867 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17870 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17872 * doc/install.texi2html: Use set -e.
17874 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17876 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17877 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17878 * doc/invoke.texi (-fshared-data): Delete.
17879 * common.opt (fshared-data): Delete.
17880 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17881 (assemble_static_space): Remove #if 0 code.
17882 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17883 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17884 * config/cris/cris.h: Remove FIXME.
17886 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17888 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17891 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17893 PR middle-end/26379
17894 * combine.c (simplify_shift_const_1): Disable nested shifts
17895 optimization for vector shifts.
17897 2006-02-20 Roger Sayle <roger@eyesopen.com>
17899 PR tree-optimization/26361
17900 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17901 of unsigned integer types.
17903 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17905 * tree-chrec.c (eq_evolutions_p): New.
17906 * tree-chrec.h (eq_evolutions_p): Declared.
17907 * tree-data-ref.c: Fix formatting.
17908 (datadep_stats, dependence_stats): New.
17910 (print_direction_vector): New.
17911 (dump_data_dependence_relation): Use print_direction_vector.
17912 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17913 (compute_subscript_distance): Static.
17914 (initialize_data_dependence_relation): Static. Get the number
17915 of loops surrounding the references from the callers, and initialize
17916 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17917 base_object_differ_p analyzers.
17918 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17919 compute_overlap_steps_for_affine_1_2,
17920 analyze_subscript_affine_affine): Count the classified dependences.
17921 Print a message when a test failed.
17922 (can_use_analyze_subscript_affine_affine): New.
17923 (analyze_siv_subscript): Compute the data dependences on symbolic
17924 scevs that verify can_use_analyze_subscript_affine_affine.
17925 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17926 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17927 Handle symbolic scevs.
17928 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17930 (subscript_dependence_tester): Moved...
17931 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17932 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17933 DDR_SIZE_VECT instead of getting it in parameter.
17934 (subscript_dependence_tester): ... here. Take as a parameter
17935 loop_nest_depth. Call build_classic_dist_vector and
17936 build_classic_dir_vector.
17937 (compute_affine_dependence): Update subscript_dependence_tester
17938 parameters. Update datadep_stats counters. Call
17939 compute_subscript_distance.
17940 (compute_self_dependence): Save the dist and dir vectors. Call
17941 compute_subscript_distance.
17942 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17943 (compute_all_dependences): Reorder parameters as they were before
17944 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17945 compute_subscript_distance. Update the use of
17946 compute_affine_dependence and initialize_data_dependence_relation.
17947 (find_data_references_in_loop): Handle COMPONENT_REF.
17948 (compute_data_dependences_for_loop): Initialize dependence_stats.
17949 Don't call build_classic_dist_vector and build_classic_dir_vector.
17950 Update the parameters of initialize_data_dependence_relation and
17951 compute_all_dependences. Print the statistics from datadep_stats.
17952 (analyze_all_data_dependences): Static. Not used until the pass for
17953 checking the data dependences is contributed.
17954 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17955 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17956 (initialize_data_dependence_relation, compute_affine_dependence,
17957 analyze_all_data_dependences, compute_subscript_distance): Removed.
17958 (print_direction_vector): New.
17959 * lambda.h (gcd): ... here.
17960 (lambda_vector_gcd): Moved here from gcd_vector.
17961 * lambda-code.c (gcd, gcd_vector): Removed.
17962 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17963 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17965 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17967 * ipa-type-escape.c: Tidy some comments and white space.
17968 * tree-ssa-operands.c: Likewise.
17970 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17973 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17974 (dump_decl_name): Do not walk the decl tree chains.
17975 * tree-pass.h (TDF_CHAIN): Remove.
17977 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17979 * Makefile.in (C): Remove
17981 (.PHONY): Remove C and PROTO
17983 2006-02-20 Roger Sayle <roger@eyesopen.com>
17985 PR middle-end/26236
17986 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17987 deprecated CHAR_TYPE tree code.
17989 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17991 * configure.ac (target_list): Add install-info, dvi, html.
17992 * configure: Regenerate.
17994 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17995 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17996 treelang/Make-lang.in: Do not use double-colon rules.
17998 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18000 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18001 (TMT_USED_ALONE): New macro.
18002 * tree-pass.h (PROP_tmt_usage): New property.
18003 (TODO_update_tmt_usage): New todo.
18004 * tree-ssa-alias.c (updating_used_alone): New variable.
18005 (recalculate_used_alone): New function.
18006 (compute_may_aliases): Set updating_used_alone, call
18007 recalculate_used_alone.
18008 * tree-sra.c (pass_sra): Note that this pass destroys
18009 PROP_tmt_usage, and add TODO_update_tmt_usage.
18010 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18011 * tree-flow.h (updating_used_alone): Prototype.
18012 (recalculate_used_alone): Ditto.
18013 * passes.c (execute_todo): Add code to set updating_used_alone,
18014 and call recalculate.
18015 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18016 for clobber if used alone, and add assert to verify used_alone
18019 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18021 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18022 for non tls symbols added.
18023 (legitimize_address): Do nothing for PLUS expressions if one of the
18024 addends is a tls symbol reference.
18026 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18030 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18032 * Makefile.in (BOOTSTRAPPING): New.
18033 (quickstrap): New definition if BOOTSTRAPPING=yes.
18035 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18036 * configure.ac: Substitute all_selected_languages with the languages
18037 that were configured. For all the other variables except
18038 lang_specs_files, include all the languages in the tree.
18039 * configure: Regenerate.
18041 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18042 if there is one. Run the commands to run fixincludes in the same
18045 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18046 * doc/install.texi: Document exact conventions for searching target tools.
18047 Document --with-build-time-tools. Document toplevel bootstrap. Document
18048 something more about building an Ada cross-compiler. Don't list GNU Make
18049 requirements which affect all platforms.
18051 2006-02-19 Roger Sayle <roger@eyesopen.com>
18053 PR middle-end/19543
18054 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18055 only equivalent if the have both the same mode and precision.
18057 2006-02-20 Ben Elliston <bje@au.ibm.com>
18059 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18061 2006-02-19 Roger Sayle <roger@eyesopen.com>
18062 Steven Bosscher <stevenb.gcc@gmail.com>
18064 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18065 constant pool references to identify stack mode constants.
18066 * rtlanal.c (constant_pool_constant_p): New predicate to check
18067 whether operand is a floating point constant in the pool.
18068 * rtl.h (constant_pool_constant_p): Prototype here.
18069 * loop.c (scan_loop): Avoid hoisting constants from the constant
18070 pool on STACK_REGS targets.
18071 (load_mems): Likewise.
18072 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18073 loads into x87 registers expensive in terms of register pressure.
18075 2006-02-19 Roger Sayle <roger@eyesopen.com>
18077 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18078 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18080 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18082 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18083 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18085 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18087 * doc/invoke.texi: Document -fipa-pta.
18088 * common.opt: Add ipa-pta option.
18089 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18090 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18091 (do_ds_constraint): Ditto.
18092 (get_constraint_for): Only add to referenced_vars if
18093 referenced_vars exists.
18094 (insert_into_field_list): Rewrite to do this unsorted.
18095 (insert_into_field_list_sorted): Rename old insert_into_field_list
18097 (create_function_info_for): Use insert_into_field_list_sorted.
18098 (create_variable_info_for): Rewrite so it uses unsorted version,
18099 since the field list is sorted.
18100 (intra_create_variable_infos): Only add to referenced_vars if
18101 referenced_vars exists.
18102 (ipa_pta_execute): Init heapvars, and delete when done.
18103 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18105 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18107 * doc/install.texi: Add missing `@samp'.
18109 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18111 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18114 2006-02-18 Mark Wielaard <mark@klomp.org>
18116 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18117 who added new 4.1 features, bug fixes and integration support.
18119 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18122 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18123 MEM for ABI_V4 pic.
18125 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18127 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18128 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18129 (copy_insn_1): Likewise. Don't copy each field individually.
18131 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18133 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18134 * rtl.c (rtx_size): Rename variable to...
18135 (rtx_code_size): ...this.
18136 (rtx_size): New function.
18137 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18138 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18140 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18141 * rtl.h (rtx_code_size): New variable.
18142 (rtx_size): Change from a variable to a function.
18143 (RTX_SIZE): Rename to...
18144 (RTX_CODE_SIZE): ...this.
18147 PR tree-optimization/17106
18148 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18149 (Anchored Addresses): New section.
18150 * doc/invoke.texi (-fsection-anchors): Document.
18151 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18152 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18153 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18154 * hooks.c (hook_bool_mode_rtx_false): New function.
18155 * hooks.h (hook_bool_mode_rtx_false): Declare.
18156 * gengtype.c (create_optional_field): New function.
18157 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18158 SYMBOL_REF_IN_BLOCK_P is true.
18159 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18160 (min_anchor_offset, max_anchor_offset): Likewise.
18161 (use_anchors_for_symbol_p): New hook.
18162 * toplev.c (compile_file): Call output_object_blocks.
18163 (target_supports_section_anchors_p): New function.
18164 (process_options): Check that -fsection-anchors is only used on
18165 targets that support it and when -funit-at-a-time is in effect.
18166 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18167 if the decl doesn't have one.
18168 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18169 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18170 of force_const_mem through use_anchored_address.
18171 (expand_expr_constant): New function.
18172 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18173 calling expand_expr for INDIRECT_REF.
18174 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18175 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18176 * expr.h (use_anchored_address): Declare.
18177 * loop-unroll.c: Don't declare rtx vectors here.
18178 * explow.c: Include output.h.
18179 (validize_mem): Call use_anchored_address.
18180 (use_anchored_address): New function.
18181 * common.opt (-fsection-anchors): New switch.
18182 * varasm.c (object_block_htab, anchor_labelno): New variables.
18183 (hash_section, object_block_entry_eq, object_block_entry_hash)
18184 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18185 (use_blocks_for_decl_p, change_symbol_section): New functions.
18186 (get_variable_section): New function, split out from assemble_variable.
18187 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18188 use_blocks_for_decl_p say so. Use change_symbol_section if the
18189 symbol has already been created.
18190 (assemble_variable_contents): New function, split out from...
18191 (assemble_variable): ...here. Don't output any code for
18192 block symbols; just pass them to place_block_symbol.
18193 Use get_variable_section and assemble_variable_contents.
18194 (get_constant_alignment, get_constant_section, get_constant_size): New
18195 functions, split from output_constant_def_contents.
18196 (build_constant_desc): Create a block symbol if use_object_blocks_p
18197 says so. Or into SYMBOL_REF_FLAGS.
18198 (assemble_constant_contents): New function, split from...
18199 (output_constant_def_contents): ...here. Don't output any code
18200 for block symbols; just pass them to place_section_symbol.
18201 Use get_constant_section and get_constant_alignment.
18202 (force_const_mem): Create a block symbol if use_object_blocks_p and
18203 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18204 (output_constant_pool_1): Add an explicit alignment argument.
18205 Don't switch sections here.
18206 (output_constant_pool): Adjust call to output_constant_pool_1.
18207 Switch sections here instead. Don't output anything for block symbols;
18208 just pass them to place_block_symbol.
18209 (init_varasm_once): Initialize object_block_htab.
18210 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18211 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18212 (place_block_symbol, get_section_anchor, output_object_block)
18213 (output_object_block_htab, output_object_blocks): New functions.
18214 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18215 (TARGET_ASM_OUT): Include it.
18216 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18217 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18218 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18219 (TARGET_INITIALIZER): Include them.
18220 * rtl.c (rtl_check_failed_block_symbol): New function.
18221 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18222 (block_symbol, object_block): New structures.
18223 (rtx_def): Add a block_symbol field to the union.
18224 (BLOCK_SYMBOL_CHECK): New macro.
18225 (rtl_check_failed_block_symbol): Declare.
18226 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18227 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18228 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18229 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18230 * output.h (output_section_symbols): Declare.
18231 (object_block): Name structure.
18232 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18233 (default_use_anchors_for_symbol_p): Declare.
18234 * Makefile.in (RTL_BASE_H): Add vec.h.
18235 (explow.o): Depend on output.h.
18236 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18237 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18238 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18239 (rs6000_use_blocks_for_constant_p): New function.
18241 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18243 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18245 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18248 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18251 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18253 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18257 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18259 PR middle-end/26334
18260 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18261 instead of DECL_REGISTER.
18263 2006-02-18 Olivier Hainque <hainque@adacore.com>
18266 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18268 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18271 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18272 * opth-gen.awk: Handle Var and InverseMask together.
18273 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18274 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18275 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18276 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18278 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18279 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18280 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18281 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18282 LINUX_DYNAMIC_LINKER): Define.
18283 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18284 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18286 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18287 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18288 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18290 (TARGET_C99_FUNCTIONS): Don't define.
18291 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18292 GLIBC_DYNAMIC_LINKER.
18293 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18294 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18295 GLIBC_DYNAMIC_LINKER64): Define.
18296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18297 LINUX_DYNAMIC_LINKER64.
18298 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18300 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18302 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18304 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18305 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18306 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18307 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18308 and LINUX_DYNAMIC_LINKER32.
18309 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18311 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18313 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18315 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18316 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18317 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18318 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18319 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18320 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18321 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18322 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18323 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18324 LINUX_DYNAMIC_LINKER): Define.
18325 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18326 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18327 GLIBC_DYNAMIC_LINKER64): Define.
18328 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18329 LINUX_DYNAMIC_LINKER64.
18330 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18331 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18332 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18333 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18334 LINUX_DYNAMIC_LINKER): Define.
18335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18336 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18337 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18338 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18339 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18340 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18341 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18342 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18343 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18344 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18346 * doc/invoke.texi (-muclibc): Remove caveat about supported
18349 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18351 * doc/cpp.texi (__TIMESTAMP__): Document.
18353 2006-02-17 Roger Sayle <roger@eyesopen.com>
18355 PR middle-end/25600
18356 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18357 C is one less than the width of X (and related transformations).
18358 * simplify-rtx.c (simplify_unary_operation_1): Transform
18359 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18360 depending on STORE_FLAG_VALUE, were C is one less then the
18363 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18365 Fix PR tree-optimization/26341
18366 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18367 about NAME_MEMORY_TAG's.
18369 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18372 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18373 with hardware float support, and software float support. Add fcpy
18374 alternative to hardware patterns. Add alternatives to copy between
18375 general and floating-point registers to the 32-bit pattern.
18376 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18377 secondary reload to load a QI or HI mode constant into a floating
18379 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18380 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18382 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18385 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18387 (load_macho_picbase_di): Likewise.
18389 2006-02-16 Jeff Law <law@redhat.com>
18391 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18392 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18393 (ssa_name_nonzero_p): Likewise.
18394 (get_value_range): Return NULL if VRP is not running.
18395 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18396 VRP routines do not discover a range.
18397 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18398 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18399 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18400 (tree_expr_nonnegative_p): Similarly.
18401 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18402 (restore_nonzero_vars_to_original_value): Remove.
18403 (unsafe_associative_fp_binop): Remove.
18404 (tree_ssa_dominator_optimize): Remove initialization and
18405 finalization of nonzero_vars and nonzero_vars_stack.
18406 (dom_opt_initialize_block): No longer push marker on
18407 nonzero_vars_stack.
18408 (dom_opt_finalize_block): No longer call
18409 restore_nonzero_vars_to_original_value.
18410 (record_equivalences_from_phis): No longer look for
18411 nonzero PHI arguments.
18412 (cprop_into_successor_phis): No longer propagate nonzero
18413 property into PHI arguments. Lose unused argument. Caller
18415 (record_equivalences_from_stmt): No longer record nonzero
18416 values for SSA_NAMEs.
18417 (lookup_avail_expr): No longer use nonzero_vars.
18419 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18420 for sizetype when sizetype is unsigned.
18422 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18424 PR rtl-optimization/25603
18425 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18426 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18427 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18428 with new meaning of SETS.
18430 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18435 * config/linux.opt: New file.
18436 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18437 LINUX_DYNAMIC_LINKER): Define.
18438 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18439 * config.gcc (*-*-linux*): Define extra_options.
18440 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18441 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18442 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18443 GLIBC_DYNAMIC_LINKER.
18444 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18445 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18446 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18447 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18448 * doc/invoke.texi (GNU/Linux Options): New section.
18450 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18452 * config/sparc/sparc.md (setjmp): Rewrite.
18453 (setjmp_32): Delete.
18454 (setjmp_64): Likewise.
18456 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18458 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18461 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18463 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18466 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18468 PR rtl-optimization/26296
18469 * Makefile.in (loop-invariant.c): Add except.h dependency.
18470 * loop-invariant.c: Include except.h.
18471 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18473 2005-02-16 Paul Brook <paul@codesourcery.com>
18475 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18478 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18480 PR rtl-optimization/25636
18481 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18482 when deciding whether an insn is an initializing insn.
18484 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18486 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18487 (tree_code_size): Ditto.
18488 * tree.h (struct tree_memory_tag): Remove parent_var.
18489 (struct tree_struct_field_tag): New.
18492 (union tree_node): Add sft member.
18493 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18495 (create_sft): Add size and offset argument, set SFT_OFFSET and
18497 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18498 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18499 * tree-flow-inline.h (get_subvar_at): Update for
18500 SFT_OFFSET/SFT_SIZE.
18501 (var_can_have_subvars): Ditto.
18502 (overlap_subvar): Ditto.
18503 * print-tree.c (print_node): Print out interesting things for
18505 * tree-flow.h (struct subvar): Remove offset and size members.
18506 * tree-ssa-operands.c (get_expr_operands): Update for
18507 get_indirect_ref_operands changes.
18508 (get_indirect_ref_operands): Call add_virtual_operand instead of
18509 add_stmt_operand. Only recurse on base var if requested.
18510 (access_can_touch_variable): New function.
18511 (add_stmt_operand): Split virtual operand handling into ...
18512 (add_virtual_operand): Here. Add offset, size, and for_clobber
18513 arguments. Prune alias sets.
18514 (add_call_clobber_ops): Call add_virtual_operand.
18516 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18518 PR middle-end/26300
18519 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18521 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18522 than TREE_CODE as index into omp_clause_num_ops array.
18524 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18526 PR rtl-optimization/26184
18527 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18529 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18530 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18531 must_precede, must_follow and tobe_scheduled.
18534 * opts.c (common_handle_option): Free new_option pointer.
18535 * df-core.c (df_analyze): Free postorder pointer.
18537 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18539 * Makefile.in: Fix the examples about the use of stamps
18541 2006-02-15 Michael Matz <matz@suse.de>
18543 PR middle-end/22275
18545 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18546 influenced by maximum_field_alignment or DECL_PACKED.
18547 (update_alignment_for_field): Ditto.
18548 (place_field): Ditto.
18549 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18552 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18554 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18555 (debug_flow_info): Pass it.
18556 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18557 * bb-reorder.c (reorder_basic_blocks): Likewise.
18558 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18559 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18560 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18561 * gcse.c (gcse_main, bypass_jumps): Likewise.
18562 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18563 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18564 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18565 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18566 * rtl.h (dump_flow_info): Adjust prototype.
18567 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18568 * var-tracking.c (variable_tracking_main): Likewise.
18569 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18570 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18573 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18575 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18578 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18580 PR tree-optimization/26209
18581 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18582 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18584 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18586 2006-02-14 Roger Sayle <roger@eyesopen.com>
18588 PR middle-end/23670
18589 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18590 (X,Y) and the corresponding symmetry related transformations.
18591 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18592 (X,Y) and its symmetry related transformations.
18594 2006-02-14 Roger Sayle <roger@eyesopen.com>
18596 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18599 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18601 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18603 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18606 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18607 support COMDAT group.
18608 * configure: Regenerate.
18610 2006-02-14 Roger Sayle <roger@eyesopen.com>
18612 PR middle-end/26279
18613 PR middle-end/26280
18614 PR middle-end/26283
18615 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18617 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18619 Fix PR tree-optimization/26260
18621 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18623 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18624 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18625 * tree-ssa-structalias.c (create_variable_info_for): Use
18626 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18628 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18630 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18632 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18633 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18634 of the ending condition.
18635 * tree-ssa-loop-manip.c: Include params.h.
18636 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18637 tree_unroll_loop): New functions.
18638 * tree-pass.h (pass_loop_prefetch): Declare.
18639 * loop.c (rest_of_handle_loop_optimize): Test for
18640 -fprefetch-loop-arrays-rtl.
18641 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18642 * timevar.def (TV_TREE_PREFETCH): New timevar.
18643 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18644 pass_loop_prefetch): New.
18645 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18646 (cleanup_tree_cfg_loop): Call scev_reset.
18647 * common.opt (fprefetch-loop-arrays-rtl): Add.
18648 * tree-ssa-loop-prefetch.c: New file.
18649 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18650 (new_temp_expr_table): Initialize expr_vars.
18651 (free_temp_expr_table): Cleanup expr_vars.
18652 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18653 expressions from being merged into one.
18654 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18655 (struct tree_niter_desc): Add control, bound and cmp fields.
18656 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18658 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18659 (tree-cfgcleanup.o): Add SCEV_H dependency.
18660 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18661 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18663 2006-02-14 Richard Guenther <rguenther@suse.de>
18665 PR tree-optimization/26258
18666 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18667 in PHI argument processing.
18669 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18671 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18672 new expression in the requested machine mode.
18674 2006-02-13 Roger Sayle <roger@eyesopen.com>
18676 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18677 directly, instead let do_compare_rtx_and_jump handle this for us.
18678 * expr.c (expand_expr_real_1): Likewise.
18679 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18680 before do_jump_by_parts_greater.
18681 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18682 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18684 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18686 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18688 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18690 PR rtl-optimization/26235
18691 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18692 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18695 2006-02-13 Jeff Law <law@redhat.com>
18697 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18700 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18702 PR middle-end/26092
18703 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18704 twice if decl is a builtin. When trying again, call get_callee_fndecl
18705 first to verify it is still a builtin.
18707 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18709 * dwarf2out.c (base_type_die): Don't add AT_name here.
18710 (subrange_type_die): Don't add AT_name here.
18711 (modified_type_die): Rearrange code flow. Do add AT_name here.
18713 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18715 PR rtl-optimization/26247
18716 PR rtl-optimization/26248
18717 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18719 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18721 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18722 * config/fixtfdi.c: Likewise.
18723 * config/fixunstfdi.c: Likewise.
18724 * config/floatditf.c: Likewise.
18726 2006-02-13 Roger Sayle <roger@eyesopen.com>
18728 PR middle-end/24427
18729 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18730 into (X,C2) if C1 is a subset of the bits of C2. Transform
18731 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18733 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18735 2006-02-13 Josh Conner <jconner@apple.com>
18738 * varasm.c (function_section): Check for section name before
18739 calling select_section on targets that define
18740 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18741 unlikely_text_section instead of hot_function_section if
18742 first_function_block_is_cold.
18744 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18746 PR middle-end/25335
18747 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18749 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18751 PR rtl-optimization/26222
18752 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18753 after tree->rtl expansion.
18754 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18755 before passing it to emit_move_insn.
18757 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18759 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18761 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18762 Clarify documentation.
18763 * c-common.h (warn_write_strings): Remove.
18764 * c-common.c (warn_write_strings): Likewise.
18765 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18768 2006-02-12 Roger Sayle <roger@eyesopen.com>
18770 PR middle-end/25724
18771 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18772 (do_jump_parts_zero_rtx): New function renamed from
18773 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18774 (do_jump_parts_equality_rtx): New function split out from
18775 do_jump_parts_equality. Old implementation renamed as above.
18776 Call do_jump_parts_zero_rtx if either operand is zero.
18777 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18778 do all of the heavy lifting.
18779 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18780 calling either do_jump_by_parts_greater_rtx or
18781 do_jump_by_parts_equality_rtx.
18782 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18783 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18784 moved to do_compare_rtx_and_jump, call it directly.
18785 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18786 mode argument. Call do_compare_rtx_and_jump.
18787 (emit_case_nodes): Update calls to do_jump_if_equal.
18789 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18791 PR rtl-optimization/26225
18792 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18794 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18796 PR rtl-optimization/26232
18797 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18799 2006-02-11 Jason Merrill <jason@redhat.com>
18802 * tree-inline.c (declare_return_variable): Just don't use the
18803 modify target if it's a gimple complex reg and the return slot
18806 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18808 * doc/contrib.texi: Update my entry.
18810 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18812 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18814 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18816 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18819 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18821 * doc/invoke.texi (-floop-optimize2): Removed.
18822 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18823 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18824 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18825 * common.opt (floop-optimize2): Removed.
18826 (fmove-loop-invariants): Enabled by default.
18828 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18830 * tree-if-conv.c (combine_blocks): Free the result of
18831 get_loop_exit_edges.
18833 2006-02-10 Jeff Law <law@redhat.com>
18835 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18837 PR tree-optimization/26213
18838 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18839 loop trying to follow SSA_NAME_VALUE chains.
18841 2006-02-10 Richard Guenther <rguenther@suse.de>
18843 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18844 deal with structures that end in implicitly variable sized arrays.
18846 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18848 PR rtl-optimization/24762
18849 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18852 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18854 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18855 (struct ivopts_data): Add regs_used field.
18856 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18857 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18858 instead of loop_data->regs_used;
18859 (free_loop_data): Do not free aux fields for loops.
18860 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18861 and tree_ssa_iv_optimize_finalize.
18863 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18865 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18867 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18870 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18871 computing the effective result type.
18873 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18875 PR inline-asm/16194
18876 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18877 (tree_overlaps_hard_reg_set): Declare.
18878 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18879 type and signature to match function type expected by walk_tree.
18880 (tree_overlaps_hard_reg_set): New function.
18881 (decl_conflicts_with_clobbers_p): Rename to:
18882 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18883 Use tree_overlaps_hard_reg_set. Changed caller.
18884 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18885 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18886 * cris.c (cris_md_asm_clobbers): Likewise.
18888 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18890 * reload1.c (emit_input_reload_insns): Delete code that tries to
18891 inherit using find_equiv_reg.
18893 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18895 * c-common.h (flag_const_strings): Don't declare.
18896 * c-common.c (flag_const_strings): Remove.
18897 * c.opt (fconst_strings): Remove.
18898 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18899 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18900 (c_common_init_options): Don't set flag_const_strings.
18901 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18903 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18905 * arm.md (tlobits_cbranch): New pattern.
18906 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18907 testing a single bit.
18909 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18912 * tree-ssa-pre.c (create_component_ref_by_pieces):
18913 Handle RETURN_DECL like VAR_DECL.
18915 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18917 PR middle-end/26134
18918 * fold-const.c (fold_indirect_ref_1): Fold
18919 "*(foo *)&complexfoo" to "__real__ complexfoo"
18920 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18922 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18924 * tree-flow-inline.h (var_can_have_subvars):
18925 Volatile variables should not have subvariables.
18927 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18930 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18931 multiplying unsigned values.
18934 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18936 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18938 2006-02-08 Jason Merrill <jason@redhat.com>
18941 * tree.def: Elaborate on difference from MODIFY_EXPR.
18942 * doc/c-tree.texi (INIT_EXPR): Likewise.
18943 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18944 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18945 (gimplify_target_expr): Likewise.
18946 (gimplify_cond_expr): Remove target handling.
18947 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18948 (gimplify_expr): Clobber it here.
18949 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18950 Do return slot optimization if we have an INIT_EXPR.
18953 * tree-inline.c (declare_return_variable): Also clear
18954 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18957 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18959 PR middle-end/22439
18960 * gimplify.c (gimplify_one_sizepos): Fix typo.
18962 2006-02-08 Jeff Law <law@redhat.com>
18964 PR tree-optimization/21417
18965 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18966 across a backedge if the control statement at the end of the
18967 block is data dependent on other statements in the same block.
18968 (record_temporary_equivalences_from_stmts): Remove over-conservative
18969 test for threading across backedges.
18971 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18972 control statement, handle all three special cases in the same
18973 manner as they all have the same desired solution. No longer
18974 special case edge flag updating when the post dominator is
18977 2006-02-08 Roger Sayle <roger@eyesopen.com>
18979 * tree.def (CHAR_TYPE): Remove.
18980 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18981 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18982 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18983 (gen_string_type_die): Delete unreachable function.
18985 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18986 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18987 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18988 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18989 * builtins.c (type_to_class): Likewise.
18990 * fold-const.c (fold_convert, build_range_check,
18991 merge_ranges): Likewise.
18992 * expr.c (count_type_elements): Likewise.
18993 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18994 * stor-layout.c (layout_type): Likewise.
18995 * ipa-type-escape.c (type_to_consider): Likewise.
18996 * gimplify.c (omp_firstprivatize_type_sizes,
18997 gimplify_type_sizes): Likewise.
18998 * explow.c (promote_mode): Likewise.
18999 * tree-sra.c (is_sra_scalar_type): Likewise.
19000 * varasm.c (output_constant): Likewise.
19001 * tree-inline.c (remap_type_1): Likewise.
19002 * convert.c (convert_to_pointer, convert_to_real,
19003 convert_to_integer, convert_to_complex): Likewise.
19005 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19007 * df-scan.c (df_def_record_1): A set destination may
19008 be a parallel regardless of mode.
19010 2006-02-08 Roger Sayle <roger@eyesopen.com>
19013 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19014 * config/mips/_tilib.c: Remove.
19015 * config/fixtfdi.c: New libgcc source file.
19016 * config/fixunstfdi.c: New source file.
19017 * config/floatditf.c: New source file.
19018 * config/floatunditf.c: New souce file.
19019 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19020 files above instead of config/mips/_tilib.c.
19021 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19023 2006-02-08 Jeff Law <law@redhat.com>
19025 PR tree-optimization/26169
19026 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19029 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19031 * df.h (DF_REG_SIZE): Return the length of the initialized
19034 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19036 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19037 __muldf3): Return a correctly signed zero.
19039 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19041 * passes.c (register_one_dump_file): Accept the current properties
19042 instead of pass number. Adjust call to dump_register. Remove
19044 (register_dump_files): Now a wrapper around...
19045 (register_dump_files_1): ... this one. Do not modify the pass
19047 (next_pass_1): Cosmetic fix.
19048 (execute_todo): Keep second parameter only. Use curr_properties
19049 instead of fetching it from the pass structure. Check and set
19051 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19052 instead of fetching it from the pass structure. Fix calls to
19053 execute_todo. Update curr_properties and initialize .vcg RTL dump
19054 after running the pass. Reset last_verified.
19055 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19057 (FIRST_AUTO_NUMBERED_DUMP): New.
19058 (dump_register): Remove "num" parameter, assign it within the
19060 (get_dump_file_name): Modify template for dumps.
19061 * tree-dump.h (dump_register): Adjust prototype.
19062 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19063 (PROP_trees): Add PROP_gimple_lomp.
19064 (TODO_set_props): New.
19065 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19066 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19067 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19069 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19071 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19072 (sparc64-*-linux*): Likewise.
19073 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19074 * config/sparc/t-linux: New file.
19075 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19076 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19077 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19078 -m32 -mlong-double-128.
19080 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19081 * config/alpha/t-linux: New file.
19082 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19084 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19085 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19086 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19087 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19088 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19089 (CPP_ARCH32_SPEC): Remove.
19091 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19093 PR tree-optimization/26145
19094 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19097 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19100 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19101 >= 240000 when generating code for SOM runtime.
19102 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19103 to $$dyncall when generating code for SOM runtime..
19105 2006-02-07 Dirk Mueller <dmueller@suse.com>
19108 * doc/invoke.texi (-Wsequence-point): Update documentation
19109 that -Wsequence-point is implemented for C++ as well.
19111 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19113 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19114 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19115 (LIB_SPEC): Likewise.
19116 * doc/invoke.texi (SPARC options): Document -pthread.
19118 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19120 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19123 2006-02-07 Roger Sayle <roger@eyesopen.com>
19125 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19126 Correct comment describing BOOLEAN_TYPE.
19128 2006-02-07 Dirk Mueller <dmueller@suse.com>
19130 * c.opt: C++ frontend supports -Wdiv-by-zero.
19131 * c-opts.c (c_common_handle_option): Remove dead case.
19133 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19135 * configure.ac (TLS assembler check): Do not enable TLS by
19136 default on SPARC/Solaris before version 10.
19137 * configure: Regenerate.
19139 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19141 * doc/invoke.texi (xl-compat): Document conversion and support
19144 2006-02-07 Jeff Law <law@redhat.com>
19146 * tree-vrp.c (find_conditional_asserts): Update comments.
19147 (simplify_stmt_for_jump_threading): New.
19148 (identify_jump_threads, finalize_jump_threads): New.
19149 (vrp_finalize): Call identify_jump_threads.
19150 (execute_vrp): Call finalize_jump_threads.
19151 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19152 (vrp_element, vrp_data, vrp_element_p): Remove.
19153 (vrp_hash_elt, vrp_variables_stack): Remove.
19154 (vrp_hash, vrp_eq, record_range): Remove.
19155 (simplify_cond_and_lookup_avail_expr): Remove.
19156 (extract_range_from_cond): Remove.
19157 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19158 (simplify_stmt_for_jump_threading): New.
19159 (dom_thread_across_edge): New wrapper.
19160 (tree_ssa_dominator_optimize): No longer initialize or
19161 finalize any of the VRP datastructures. Remove iteration
19162 step and simplify as a result of removal of iteration step.
19163 (pass_dominator): Perform a cfg cleanup after DOM.
19164 (dom_opt_finalize_block): Use the new common routines
19165 for threading jumps. Simplify stack management slightly.
19166 No longer need to unwind VRP state.
19167 (record_equivalences_from_incoming_edge): No longer record
19169 (eliminate_redundant_computations): No longer call
19170 simplify_cond_and_lookup_avail_expr.
19171 * tree-flow.h (potentially_threadable_block): Prototype.
19172 (thread_across_edge): Likewise.
19173 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19174 (tree-ssa-threadedge.o): Add dependencies.
19175 * tree-ssa-threadedge.c: New file.
19176 * passes.c (init_optimization_passes): Merge PHIs before
19177 calling VRP. Run VRP again late in the SSA optimization pipeline.
19179 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19181 * df-core.c (df_set_blocks): Do not dereference function pointers.
19182 (df_finish1): Likewise.
19183 (df_hybrid_search_forward): Likewise.
19184 (df_hybrid_search_backward): Likewise.
19185 (df_iterative_dataflow): Likewise.
19186 (df_analyze_problem): Likewise.
19187 (df_compact_blocks): Likewise.
19188 (df_dump): Likewise.
19189 * df-scan.c (df_rescan_blocks): Likewise.
19190 (df_record_entry_block_defs): Likewise.
19192 * genconditions.c (write_conditions): Guard the definition of
19193 'insn_conditions' with the check on GCC version.
19194 (write_writer): Guard the traversal 'insn_conditions' with
19195 the check on GCC version.
19197 2006-02-07 Richard Guenther <rguenther@suse.de>
19201 2006-01-30 Richard Guenther <rguenther@suse.de>
19203 * gimplify.c (gimplify_target_expr): Handle easy cases
19204 without creating a temporary.
19206 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19208 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19209 use of float in probability computations. Use edge probabilities
19210 in place of statically computed probabilities.
19211 (min_spec_prob): New static variable.
19212 (schedule_insns): Initialize it.
19213 (GET_SRC_PROB): Removed.
19214 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19216 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19219 * config/ia64/unwind-ia64.c: Revert last change.
19220 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19221 (INCOMING_FRAME_SP_OFFSET): Define.
19223 2006-02-06 Roger Sayle <roger@eyesopen.com>
19225 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19227 2006-02-07 Ben Elliston <bje@au.ibm.com>
19229 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19230 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19231 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19232 (ix86_return_in_memory): Handle TDmode.
19233 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19234 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19236 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19238 * reorg.c (dbr_schedule): Use dump_file instead of file.
19240 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19243 * config/ia64/predicates.md (extr_len_operand): New predicate.
19244 * config/ia64/ia64.md (extv): Tighten constraints.
19246 (*tbit_and_2): Ditto.
19247 (*tbit_and_3): Ditto.
19248 (*tbit_or_2): Ditto.
19249 (*tbit_or_3): Ditto.
19250 (*bit_zero): Ditto.
19253 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19256 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19258 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19260 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19261 loop_optimizer_init and loop_optimizer_finalize
19262 * tree-ssa-sink.c (execute_sink_code): Ditto.
19263 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19264 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19265 tree_ssa_loop_done): Ditto.
19266 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19267 * sched-ebb.c: Include output.h.
19268 (schedule_ebbs): Do not use dump argument.
19269 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19270 * loop.c (loop_dump_stream): Removed.
19271 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19273 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19274 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19275 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19276 loop_iterations, strength_reduce, record_biv, record_giv,
19277 final_giv_value, check_final_value, check_ext_dependent_givs,
19278 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19279 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19280 dump_file instead of loop_dump_stream.
19281 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19282 argument dump_file.
19283 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19285 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19286 * haifa-sched.c: Include output.h
19287 (schedule_insns, sched_init): Do not use dump argument.
19288 * mode-switching.c (optimize_mode_switching): Ditto.
19289 * modulo-sched.c (stats_file): Removed.
19290 (print_node_sched_params): Do not call argument dump_file.
19291 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19292 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19294 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19296 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19297 rtl_loop_init, rtl_loop_done): Ditto.
19298 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19299 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19301 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19302 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19303 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19304 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19305 * emit-rtl.c (renumber_insns): Ditto.
19306 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19307 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19308 * regclass.c (regclass): Ditto.
19309 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19310 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19311 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19312 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19314 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19315 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19317 * gcse.c (gcse_file, debug_stderr): Removed.
19318 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19319 rest_of_handle_gcse): Do not use dump argument.
19320 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19321 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19322 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19323 compute_code_hoist_vbeinout, compute_code_hoist_data,
19324 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19325 compute_store_table, build_store_vectors, insert_insn_start_bb,
19326 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19327 store_motion): Use dump_file instead of gcse_file.
19328 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19329 * profile.c (profile_dump_file): Removed.
19330 (branch_prob): Use dump_file instead of profile_dump_file.
19331 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19333 * tree-ssa-copy.c (dump_copy_of): Ditto.
19334 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19335 dump file to life_analysis.
19336 * bt-load.c (branch_target_load_optimize): Ditto.
19337 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19339 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19340 regclass, dbr_schedule): Declaration changed.
19341 * sched-int.h (sched_init): Declaration changed.
19342 * tree-profile.c (tree_profile_dump_file): Removed.
19343 (tree_profile_hooks): Removed profile_dump_file hook.
19344 * rtl-profile (rtl_profile_dump_file): Removed.
19345 (rtl_profile_hooks): emoved profile_dump_file hook.
19346 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19348 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19349 * tree-cfg.c (build_tree_cfg): Ditto.
19350 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19351 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19352 Declaration changed.
19353 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19354 life_analysis and schedule_insns.
19355 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19357 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19359 * config/mips/mips.c (mips_reorg): Ditto.
19360 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19363 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19365 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19366 (s390_mangle_fundamental_type): New.
19367 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19370 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19371 (alpha_mangle_fundamental_type): New.
19372 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19375 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19377 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19379 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19380 (sparc_mangle_fundamental_type): New.
19382 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19384 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19385 (s390x-*-linux*): Likewise.
19386 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19387 * config/s390/t-linux: New file.
19389 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19391 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19392 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19394 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19396 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19397 (ANTIC_SAFE_LOADS): New macro.
19398 (find_or_generate_expression): Add prototype.
19399 (set_contains_value): Allow null set for sake of not always having
19400 to allocate ANTIC_SAFE_LOADS.
19401 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19402 Allow COMPONENT_REF too.
19403 (valid_in_set): Allow COMPONENT_REF.
19404 Check ANTIC_SAFE_LOADS too.
19405 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19406 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19408 (can_PRE_operation): Add COMPONENT_REF.
19409 (create_component_ref_by_pieces): New function.
19410 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19411 (insert_aux): Move AGGREGATE_TYPE_P check here.
19412 (compute_avail): Set bb local stmt uids.
19413 (pass_pre): Use TODO_update_ssa_only_virtuals.
19415 2006-02-06 Ben Elliston <bje@au.ibm.com>
19417 * configure.ac: Unconditionally disable decimal float by default.
19418 * configure: Regenerate.
19420 2006-02-06 Ben Elliston <bje@au.ibm.com>
19422 * read-rtl.c (read_name): Terminate reading on EOF.
19424 2006-02-06 Ben Elliston <bje@au.ibm.com>
19426 * dfp.c (decimal_real_arithmetic): Change second argument type
19427 from int to enum tree_code. Do not always return true, but now
19428 return result of any call to decimal_do helper functions.
19429 * dfp.h (decimal_real_arithmetic): Update prototype.
19431 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19433 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19435 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19438 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19441 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19443 * tree-vrp.c (cfg_loops): Removed.
19444 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19445 Use current_loops instead of cfg_loops. Pass flags to
19446 loop_optimizer_init.
19447 * cfgloopmanip.c (fix_loop_structure): Update only available
19449 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19450 loop_optimizer_init.
19451 * modulo-sched.c (build_loops_structure): Removed.
19452 (sms_schedule): Use loop_optimizer_init.
19453 * loop-init.c (loop_optimizer_init): Use flags to determine
19454 which properties of loops to prepare.
19455 (rtl_loop_init): Pass flags to loop_optimizer_init.
19456 * tree-ssa-sink.c (execute_sink_code): Ditto.
19457 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19458 * tree-ssa-pre.c (init_pre): Ditto.
19459 * cfgloop.h (LOOPS_NORMAL): New.
19460 (loop_optimizer_init): Declaration changed.
19462 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19464 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19465 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19467 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19469 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19471 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19472 * pa/t-pa64: Delete quadlib.c rule.
19473 * pa/x-ada: Revert last change.
19474 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19476 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19478 PR rtl-optimization/26087
19479 * rtlanal.c (canonicalize_condition): Do not cross basic block
19482 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19485 * config/ia64/ia64.c: Include debug.h.
19486 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19487 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19488 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19489 (process_epilogue, process_set, process_for_unwind_directive):
19490 Output unwind info only if requested. Add CFA info if requested.
19491 Add new arguments as needed. Adjust callers.
19492 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19494 (DWARF2_FRAME_INFO): Define to zero.
19495 * config/ia64/unwind-ia64.c: Remove code that compensated for
19496 the CFA offset error fixed above.
19497 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19498 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19499 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19500 -funwind-tables and -fexceptions to enable frame info.
19501 (dwarf2out_frame_init): Define initial CFA even if
19502 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19503 DWARF2_UNWIND_INFO is nonzero, not just defined.
19504 (dwarf2out_frame_finish): Output non-EH call frame info only
19505 if DWARF2_FRAME_INFO is nonzero.
19506 (convert_cfa_to_loc_list,
19507 compute_frame_pointer_to_cfa_displacement): Define even if
19508 unwind info is not supported.
19509 (gen_subprogram_die): Use the above unconditionally. Remove
19510 legacy alternate code.
19511 * toplev.c (compile_file): Compile in call to
19512 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19513 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19515 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19516 Jakub Jelinek <jakub@redhat.com>
19518 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19519 IBM extended float format long double as "g" on powerpc*-linux.
19521 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19524 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19525 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19527 2006-02-03 Jason Merrill <jason@redhat.com>
19530 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19532 PR middle-end/25977
19533 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19534 on the return slot if it's an NRV.
19536 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19538 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19539 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19540 rewrite_use): Do not handle USE_OUTER.
19541 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19542 add_iv_outer_candidates, may_replace_final_value,
19543 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19544 (find_interesting_uses_op): Functionality of
19545 find_interesting_uses_outer_or_nonlin moved here.
19546 (find_interesting_uses_outside): Use find_interesting_uses_op.
19548 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19551 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19553 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19554 Ulrich Weigand <uweigand@de.ibm.com>
19557 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19558 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19559 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19560 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19562 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19563 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19564 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19565 Define secondary reloads for TFmode moves.
19566 (constant_modes): Add TFmode.
19567 (NR_C_MODES): Set to 8.
19568 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19570 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19571 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19572 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19573 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19574 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19575 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19576 (FPR mode macro): Add TFmode.
19577 (DSF mode macro): New.
19578 (<de>, <dee> mode attributes): Removed.
19579 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19580 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19581 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19582 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19583 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19584 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19585 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19586 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19587 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19588 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19589 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19590 "*negabs<mode>2", "sqrt<mode>2"):
19591 Changed <de> to <xde>. R constraint replaced by <Rf>.
19592 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19594 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19595 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19596 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19598 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19599 "extenddftf2", "extendsftf2"): New expanders.
19600 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19601 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19602 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19603 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19605 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19606 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19607 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19608 __floatditf): Add a GCC_4.1.0 symbol version tag.
19609 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19612 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19615 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19616 Use targetm.binds_local_p instead of TREE_PUBLIC.
19618 2006-02-02 Roger Sayle <roger@eyesopen.com>
19620 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19621 on INTEGER_TYPEs to indicate that it denotes a character type.
19622 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19623 signed_char_type_node, unsigned_char_type_node and char_type_node.
19624 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19625 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19626 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19628 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19629 Daniel Berlin <dberlin@dberlin.org>
19631 * tree-tailcall.c (arg_needs_copy_p): New function.
19632 (eliminate_tail_call): Use arg_needs_copy_p.
19633 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19634 (add_virtual_phis): New function.
19636 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19638 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19639 #ignore instead of #scratch for %g7 .register directive.
19641 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19643 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19646 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19648 * flow.c (calculate_global_regs_live): Assert that there aren't any
19651 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19653 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19654 what its name says.
19655 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19656 bsi_after_labels iterator.
19657 * tree-if-conv.c (find_phi_replacement_condition,
19658 replace_phi_with_cond_modify_expr): Likewise.
19659 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19660 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19662 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19664 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19666 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19669 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19670 array after growing it.
19672 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19674 PR middle-end/24901
19675 * fold-const.c (fold_checksum_tree): Change type of buf.
19677 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19679 * reload.c (push_secondary_reload): Initialize t_icode.
19681 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19683 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19684 -msoft-float -mlong-double-128 only issue a warning, but don't
19685 swich to DFmode long double.
19687 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19689 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19690 has a constant equivalent, iterate over equivalents for arg0,
19691 calling simplify_relational_operation and if there's a result
19692 cheaper than X, apply fold_rtx and return the result.
19694 2006-02-01 Jan Hubicka <jh@suse.cz>
19696 * opts.c (no_unit_at_a_time_default): New global variable.
19697 (decode_options): Use it.
19698 * opts.h (no_unit_at_a_time_default): Declare.
19700 2006-02-01 Paul Brook <paul@codesourcery.com>
19702 * function.c (assign_parm_setup_reg): Use function argument promotion
19704 * expr.c (expand_expr_real_1): Use function argument promotion rules
19707 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19709 * gcc.c (process_command): Change j to 'unsigned int'.
19711 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19713 PR middle-end/26001
19714 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19715 Use the corrected index for the character
19716 out of the string constant.
19718 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19720 * mode-switching.c (optimize_mode_switching): Fix size
19721 allocated for bb_info[n_entities].
19723 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19725 * gcc.c (main): Correct type that is allocated for
19726 explicit_link_files.
19728 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19730 * config/s390/s390.c (init_alignment_context): Set
19731 ALIAS_SET_MEMORY_BARRIER on the MEM.
19732 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19734 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19736 PR middle-end/25933
19737 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19739 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19742 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19744 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19745 * regrename.c: Ditto.
19746 * tree-ssa-loop-im.c: Ditto.
19747 * tree-dump.c: Ditto.
19748 * tree-complex.c: Ditto.
19749 * genrecog.c: Ditto.
19750 * tree-ssa-threadupdate.c: Ditto.
19752 * java/class.c: Ditto.
19753 * java/jcf-parse.c: Ditto.
19754 * java/resource.c: Ditto.
19755 * java/except.c: Ditto.
19756 * java/jvspec.c: Ditto.
19757 * java/jcf-write.c: Ditto.
19758 * java/jcf-path.c: Ditto.
19759 * java/gjavah.c: Ditto.
19760 * java/zextract.c: Ditto.
19761 * java/jcf-io.c: Ditto.
19762 * java/jcf.h: Ditto.
19763 * java/buffer.c: Ditto.
19764 * java/lang.c: Ditto.
19765 * java/parse-scan.y: Ditto.
19766 * java/lex.c: Ditto.
19767 * java/lex.h: Ditto.
19768 * cfgloopmanip.c: Ditto.
19769 * postreload-gcse.c: Ditto.
19770 * tree-ssa-loop-manip.c: Ditto.
19771 * postreload.c: Ditto.
19772 * tree-ssa-loop-ch.c: Ditto.
19775 * cppspec.c: Ditto.
19776 * diagnostic.c: Ditto.
19778 * genoutput.c: Ditto.
19780 * cfghooks.c: Ditto.
19781 * cfgloopanal.c: Ditto.
19782 * objc/objc-act.c: Ditto.
19784 * genextract.c: Ditto.
19785 * genautomata.c: Ditto.
19786 * pretty-print.c: Ditto.
19787 * genemit.c: Ditto.
19788 * cgraphunit.c: Ditto.
19790 * df-scan.c: Ditto.
19791 * haifa-sched.c: Ditto.
19792 * dominance.c: Ditto.
19794 * tree-ssa-loop-ivopts.c: Ditto.
19795 * df-core.c: Ditto.
19796 * mode-switching.c: Ditto.
19797 * modulo-sched.c: Ditto.
19799 * ipa-pure-const.c: Ditto.
19801 * fix-header.c: Ditto.
19803 * tree-stdarg.c: Ditto.
19804 * ipa-utils.c: Ditto.
19805 * loop-init.c: Ditto.
19806 * ipa-inline.c: Ditto.
19807 * cfganal.c: Ditto.
19809 * alloc-pool.c: Ditto.
19810 * dwarf2out.c: Ditto.
19812 * genattrtab.c: Ditto.
19813 * tree-ssa-loop-ivcanon.c: Ditto.
19814 * predict.c: Ditto.
19815 * timevar.c: Ditto.
19817 * fortran/gfortranspec.c: Ditto.
19818 * regmove.c: Ditto.
19819 * local-alloc.c: Ditto.
19820 * langhooks.c: Ditto.
19821 * function.c: Ditto.
19822 * tree-vectorizer.c: Ditto.
19824 * ipa-type-escape.c: Ditto.
19826 * tree-if-conv.c: Ditto.
19827 * profile.c: Ditto.
19829 * tree-data-ref.c: Ditto.
19830 * loop-unroll.c: Ditto.
19831 * treelang/treetree.c: Ditto.
19833 * bt-load.c: Ditto.
19834 * ggc-common.c: Ditto.
19836 * coverage.c: Ditto.
19838 * tree-cfgcleanup.c: Ditto.
19839 * tree-ssa-pre.c: Ditto.
19840 * cfgcleanup.c: Ditto.
19841 * loop-invariant.c: Ditto.
19842 * loop-iv.c: Ditto.
19843 * ipa-prop.c: Ditto.
19844 * print-tree.c: Ditto.
19845 * conflict.c: Ditto.
19846 * ggc-page.c: Ditto.
19847 * sched-deps.c: Ditto.
19848 * regclass.c: Ditto.
19849 * tree-object-size.c: Ditto.
19850 * combine.c: Ditto.
19851 * bb-reorder.c: Ditto.
19852 * resource.c: Ditto.
19853 * var-tracking.c: Ditto.
19854 * cfgloop.c: Ditto.
19855 * df-problems.c: Ditto.
19856 * reg-stack.c: Ditto.
19858 * gccspec.c: Ditto.
19859 * sched-rgn.c: Ditto.
19860 * tree-ssa-structalias.c: Ditto.
19861 * tree-ssa-reassoc.c: Ditto.
19862 * config/darwin-c.c: Ditto.
19863 * config/darwin.c: Ditto.
19864 * config/arm/arm.c: Ditto.
19866 * collect2.c: Ditto.
19867 * reload1.c: Ditto.
19869 2006-01-31 Nicolas Pitre <nico@cam.org>
19871 * arm.md (smaxsi3): Make aware of smax_m1.
19874 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19876 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19878 2006-01-31 Richard Guenther <rguenther@suse.de>
19880 * doc/invoke.texi (-msselibm): Document.
19881 * target.h (expand_library_builtin): New target hook.
19882 * builtins.c (expand_builtin): Use expand_library_builtin.
19883 (default_expand_library_builtin): New function.
19884 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19885 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19886 (link_gcc_math_spec): Declare.
19887 (static_specs): Add link_gcc_math_spec.
19888 * expr.h (default_expand_library_builtin): Declare.
19889 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19890 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19891 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19892 * config/i386/i386.opt (msselibm): New target option.
19893 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19894 (ix86_init_sse_abi_builtins): New function.
19895 (ix86_expand_library_builtin): Likewise.
19896 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19897 (override_options): Handle error conditions wrt -msselibm.
19898 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19899 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19900 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19903 2006-01-31 Richard Guenther <rguenther@suse.de>
19904 Paolo Bonzini <bonzini@gnu.org>
19906 * doc/install.texi (--disable-libgcc-math): Document.
19908 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19910 * expr.h (expand_normal): new inline function.
19911 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19912 * dojump.c: use it.
19913 * dwarf2out.c: use it.
19916 * expmed.c: use it.
19917 * except.c: use it.
19918 * config/sparc/sparc.c: use it.
19919 * config/i386/i386.c: use it.
19920 * config/rs6000/rs6000.c: use it.
19921 * config/arm/arm.c: use it.
19922 * config/mips/mips.c: use it.
19923 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19925 2006-01-30 Roger Sayle <roger@eyesopen.com>
19927 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19928 argv to the appropriate type.
19930 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19932 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19935 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19938 * config/s390/s390.c (struct machine_function): New flag
19939 decomposed_literal_pool_addresses_ok_p.
19940 (s390_reorg): Set it before final stage of literal pool transforms.
19941 (s390_decompose_address): Only accept displacements of the form
19942 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19944 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19946 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19947 the comparison routine return.
19949 2006-01-30 Michael Matz <matz@suse.de>
19951 * global.c (find_reg): Only evict for global regs.
19952 Take n_refs into account and dump more info.
19954 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19957 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19958 (pragma_trap, pragma_nosave_low_regs): Likewise.
19959 (current_function_anonymous_args): Likewise.
19960 (sh_deferred_function_attributes): New variable.
19961 (sh_deferred_function_attributes_tail): Likewise.
19962 (print_operand): For '@', look up trap_exit attribute.
19963 (calc_live_regs): Look up trapa_handler attribute. For trapa
19964 handlers, save/restore fpscr, but don't do any other
19965 interrupt-specific saves.
19966 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19967 Fix check for partially saved registers to check for SHmedia.
19968 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19969 (sh_output_function_epilogue): Don't clear any of the removed
19971 (sh_insert_attributes): Don't check pragma_interrupt.
19972 Insert deferred attributes. Check that interrupt attribute is
19973 present for other attributes that require its presence.
19974 (sh_attribute_table): Add new attributes trapa_handler and
19976 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19977 Don't check for pragma_interrupt. Don't store argument.
19978 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19979 (sh_deferred_function_attributes): Declare.
19980 (sh_deferred_function_attributes_tail): Likewise.
19981 * sh.md (sp_switch_1): Add operand. Change generator caller.
19982 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19983 (*return_i): Don't use when trap_exit attribute is in effect.
19984 (*return_trapa): New insn pattern.
19985 * sh-c.c: New file.
19986 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19987 setting c_target_objs and cxx_target_objs.
19988 * t-sh: Add rule for sh-c.o.
19990 2006-01-30 Richard Guenther <rguenther@suse.de>
19993 * gimplify.c (gimplify_target_expr): Handle easy cases
19994 without creating a temporary.
19996 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19998 * vec.h (safe_grow): Remove duplicated line.
20000 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20003 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20004 (expand_omp): ... here.
20005 (expand_omp_parallel): Only remove barriers for combined
20006 parallel+workshare constructs.
20008 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20012 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20013 * tree.c (build_qualified_type): Chain the new type to the original
20014 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20015 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20016 (build_pointer_type_for_mode): Only return unqualified types.
20017 (build_reference_type_for_mode): Likewise.
20019 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20021 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20022 * Makefile.in (CXX_COMPAT_WARN): Define.
20023 * configure: Regenerate.
20025 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20028 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20031 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20033 * toplev.c: Fix thinko.
20035 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20036 Marcin Dalecki <martin@dalecki.de>
20038 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20039 (push_srcloc): Use XNEW.
20040 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20042 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20044 * df-core.c (df_set_blocks): Deleted all variable.
20046 2006-01-28 Ian Lance Taylor <ian@airs.com>
20048 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20049 cgraph_output_pending_asms.
20051 2006-01-28 Zack Weinberg <zackw@panix.com>
20053 * c.opt: Add -W(no-)overlength-strings.
20054 * doc/invoke.texi: Document it.
20055 * c-opts.c (c_common_handle_option): -pedantic implies
20056 -Woverlength-strings, if not explicitly disabled already.
20057 (c_common_post_options): -Woverlength-strings defaults to off, and
20058 is always off for C++.
20059 * c-common.c (fix_string_type): Issue warning about strings longer
20060 than is portable only if warn_overlength_strings. Rearrange code
20061 a little for clarity.
20062 * configure.in: Check for -Wno-overlength-strings as well before
20063 enabling -pedantic in stage 1.
20064 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20065 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20067 * genconditions.c (write_header, write_one_condition)
20068 (write_conditions, write_writer): Consolidate very long strings
20069 that were broken up to fit in C89 portable limit. Don't use
20070 printf when fputs will do.
20072 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20074 * combine.c (simplify_comparison <AND>): Check
20075 TRULY_NOOP_TRUNCATION before start using a subreg.
20077 * config/mips/mips.md (*branch_zero<mode>,
20078 *branch_zero<mode>_inverted, *branch_equality<mode>,
20079 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20080 Remove mode check from comparisons.
20082 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20084 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20086 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20088 * expmed.c (const_mult_add_overflow_p): Remove.
20089 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20091 * recog.c (validate_replace_rtx_subexp): Remove.
20092 * recog.h: Remove the prototype for
20093 validate_replace_rtx_subexp.
20095 * integrate.h: Remove the prototype for
20096 copy_decl_for_inlining.
20097 * rtl.h: Remove the prototype for mark_constant_function.
20098 * tree-vectorizer.h: Remove the prototype for
20099 vect_strip_conversion.
20101 * modulo-sched.c (create_partial_schedule,
20102 free_partial_schedule, reset_partial_schedule): Make them
20105 * hooks.c (hook_bool_rtx_int_false): Remove.
20106 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20108 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20110 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20111 and -mlong-double-128 are incompatible.
20112 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20113 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20114 (TARGET_LIBGCC2_CFLAGS): Define.
20115 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20116 (TARGET_LIBGCC2_CFLAGS): Same.
20117 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20119 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20122 * c-typeck.c (build_binary_op): Perform implicit casts of
20123 operands before shortening them.
20125 * cfgloopmanip.c (split_loop_bb): Remove.
20126 * cfgloop.h: Remove the prototype for split_loop_bb.
20128 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20129 * cfgloop.h: Remove the prototype for
20130 flow_loop_outside_edge_p.
20132 * emit-rtl.c (init_virtual_regs): Make it static.
20133 * function.h: Remove the prototype for init_virtual_regs.
20135 * recog.c (peephole2_optimize): Make it static.
20136 * recog.h: Remove the prototype for peephole2_optimize.
20138 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20140 * df-scan.c (df_record_entry_block_defs): Check if
20141 INCOMING_RETURN_ADDR_RTX is defined.
20143 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20144 Kenneth Zadeck <zadeck@naturalbridge.com>
20146 PR rtl-optimization/24762
20147 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20148 * targhooks.c (hook_void_bitmap): New hook prototype.
20149 * targhoohs.h (hook_void_bitmap): Ditto.
20150 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20151 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20152 * target.h (live_on_entry): New function pointer.
20153 * df-scan.c (df_all_hard_regs): Removed.
20154 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20155 (df_scan_free_internal): Added df->entry_block_defs.
20156 (df_scan_alloc): Ditto.
20157 (df_scan_dump): Ditto.
20158 (df_uses_record): Plumbed flag field properly thru calls.
20159 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20160 This part fixes PR24762.
20161 (df_bb_refs_record): Added code to make the frame and arg
20162 pointers live in EH blocks.
20163 (df_refs_record): Added call to df_record_entry_block_defs.
20164 (df_record_entry_block_defs): New function.
20165 * df-core.c: Added comments to describe new artifical defs.
20166 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20167 (entry_block_defs): New field in struct df.
20168 (df_all_hard_regs): Deleted.
20169 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20170 * df-problems.c (df_ru_bb_local_compute_process_def):
20171 Added code to handle artifical defs in the entry to a function.
20172 (df_ru_bb_local_compute): Ditto.
20173 (df_rd_bb_local_compute_process_def): Ditto.
20174 (df_rd_bb_local_compute): Ditto.
20175 (df_lr_bb_local_compute): Ditto.
20176 (df_ur_bb_local_compute): Ditto.
20177 (df_urec_bb_local_compute): Ditto.
20178 (df_chain_create_bb): Ditto.
20179 (df_ur_local_finalize): Removed entry.
20180 (df_urec_init): Ditto.
20181 (df_urec_local_finalize): Ditto.
20182 (df_ri_bb_compute): Added detection of last use of pseudos.
20183 * Makefile.in (df-scan.o): Updated dependencies.
20184 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20185 * config/mips/mips.c (mips_set_live_on_entry): Added.
20186 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20188 * dce.c (marked_insn_p): Added code to handle artifical defs.
20190 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20192 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20194 (_mm_cvtsi128_si64): Likewise.
20195 (_mm_cvtsd_si64): Likewise.
20196 (_mm_cvttsd_si64): Likewise.
20197 (_mm_cvtsi64_sd): Likewise.
20198 (_mm_cvtsi64_si128): Likewise.
20199 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20200 (_mm_cvtsi64_m64): Likewise.
20201 (_m_to_int64): Likewise.
20202 (_mm_cvtm64_si64): Likewise.
20203 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20204 (_mm_cvttss_si64): Likewise.
20205 (_mm_cvtsi64_ss): Likewise.
20206 (_mm_cvtss_f32): Likewise.
20208 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20210 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20211 for pragma redefine_extname.
20213 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20216 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20217 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20218 -mno-minimal-toc to previous content.
20219 (bispecs): Remove goal.
20220 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20221 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20222 compatibility aliases on powerpc-*-*gnu*.
20223 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20224 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20225 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20226 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20227 (ldblspecs): New goal.
20228 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20229 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20231 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20232 L_sf_to_tf or L_df_to_tf is defined.
20234 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20235 Alan Modra <amodra@bigpond.net.au>
20238 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20239 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20240 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20241 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20242 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20243 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20244 (rs6000_override_options): Initialize rs6000_ieeequad.
20245 Initialize TFmode format to ibm_extended_format if not
20247 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20249 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20250 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20251 (function_arg_advance): IBM long double passed in two FPRs, not
20253 (function_arg): IBM long double passed in FPRs.
20254 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20255 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20256 Only multireg GPR aligned.
20257 (rs6000_init_libfuncs): Enable IBM long double functions if not
20259 (rs6000_generate_compare): Use IBM long double compare if not
20261 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20262 (TARGET_IEEEQUAD): Define.
20263 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20264 not TARGET_IEEEQUAD.
20265 * config/rs6000/rs6000.md: Enable TFmode patterns if
20267 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20268 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20269 and -mlong-double-128 are incompatible.
20270 * doc/invoke.texi (-mabi): Collect options together. Add
20271 ibmlongdouble and ieeelongdouble.
20273 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20275 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20277 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20278 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20279 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20280 * rtl.h (rtunion_def): Remove rt_ptr.
20282 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20283 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20284 * config/i386/winnt.c (i386_pe_mark_dllexport)
20285 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20287 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20289 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20291 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20295 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20296 pthread_key_delete. From John David Anglin. gthrw-ify
20297 pthread_getunique_np only if it it's not a macro. Delete
20299 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20300 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20301 __gthread_objc_condition_signal, __gthread_key_delete): Add
20302 "__attribute__ ((__unused__))" to unused arguments.
20303 (__gthread_recursive_mutex_init_function): Add missing return.
20304 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20305 gthr-posix95.h: Use macro-based approach for name redirection
20306 on targets missing weakref.
20308 2006-01-26 Zack Weinberg <zackw@panix.com>
20310 * genconditions.c (write_header): In generated code, #ifdef out
20311 all includes and fake declarations, except includes of bconfig.h
20312 and system.h, unless GCC_VERSION >= 3001. Do not include
20313 gensupport.h in any case.
20314 (write_conditions): Generate a definition of struct c_test. Add
20315 a comment to the generated #endif.
20316 (write_one_condition): Escape backslashes in string too.
20317 (write_writer): Generated code must escape backslashes and quote
20318 marks (but not newlines) in the strings it writes.
20319 * Makefile.in (build/gencondmd.o): Update dependencies.
20321 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20324 * Makefile.in (insn-automata.o): Add header file dependencies.
20325 * genautomata.c: Add includes.
20327 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20330 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20332 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20334 * configure.ac: Expect target tools paths to be passed from the toplevel
20335 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20337 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20339 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20342 * c.opt (Wpointer-sign): Init to -1.
20343 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20344 OPT_pedantic, to 0 otherwise.
20345 * doc/invoke.texi: Update.
20347 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20349 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20350 constants provided by 80387 instructions in the destination mode.
20352 2006-01-26 Richard Guenther <rguenther@suse.de>
20353 Andrew Pinski <pinskia@physics.uc.edu>
20356 partial PR tree-opt/17064
20357 * tree-ssa-structalias.c (intra_create_variable_infos):
20358 Create heap variables for incoming parameters if
20359 flag_argument_noalias > 1.
20360 (find_what_p_points_to): Look through default defs of
20363 2006-01-26 Jeff Law <law@redhat.com>
20366 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20367 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20368 within the VR_RANGE, use the VR_RANGE as the result, not the
20370 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20371 bounds for the type.
20373 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20375 * tree-ssa-alias.c (maybe_create_global_var): Change
20376 subvar walking to an assertion that we don't have subvar'd variables.
20378 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20381 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20382 Use a new variable, inner. PARM_DECLs are always non-weak.
20384 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20386 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20387 --disable-checking.
20389 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20391 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20393 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20395 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20396 (smax_insn, smin_insn, smax_0, smin_0): New.
20398 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20401 * config/cris/cris.c (cris_order_for_addsi3): New function.
20402 * config/cris/cris-protos.h: Prototype it.
20403 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20404 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20405 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20406 (split for "op.S1 [rx=rx+i],ry (swapped)")
20407 (split for "op(s|u).S1 [rx=rx+i],ry")
20408 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20409 Apply cris_order_for_addsi3 when generating addsi3 insns.
20411 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20413 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20414 (TREE_BLOCK): Add call to EXPR_CHECK.
20416 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20419 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20420 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20421 (dump_omp_clauses): ... here.
20422 (dump_generic_node): Handle OMP_CLAUSE.
20423 * tree.c (omp_clause_num_ops): New.
20424 (omp_clause_code_name): New.
20425 (tree_code_size): Handle OMP_CLAUSE.
20426 (tree_size): Likewise.
20427 (make_node): Document handling of OMP_CLAUSE.
20428 (tree_node_structure): Handle OMP_CLAUSE.
20429 (omp_clause_check_failed): New.
20430 (omp_clause_range_check_failed): New.
20431 (omp_clause_operand_check_failed): New.
20432 (build_omp_clause): New.
20433 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20434 * tree.h (enum omp_clause_code): Declare.
20435 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20436 (OMP_CLAUSE_RANGE_CHECK): Define.
20437 (OMP_CLAUSE_ELT_CHECK): Define.
20438 (omp_clause_check_failed): Declare.
20439 (omp_clause_operand_check_failed): Declare.
20440 (omp_clause_range_check_failed): Declare.
20441 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20442 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20443 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20444 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20445 (OMP_CLAUSE_IF_EXPR): Likewise.
20446 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20447 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20448 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20449 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20450 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20451 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20452 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20453 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20454 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20455 (OMP_CLAUSE_CODE): Define.
20456 (OMP_CLAUSE_SET_CODE): Define.
20457 (OMP_CLAUSE_CODE): Define.
20458 (OMP_CLAUSE_OPERAND): Define.
20459 (struct tree_omp_clause): Declare.
20460 (union tree_node): Add field 'omp_clause'.
20461 * treestruct.def (TS_OMP_CLAUSE): Define.
20462 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20463 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20464 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20465 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20466 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20467 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20468 (OMP_CLAUSE): Define.
20469 * print-tree.c (print_node): Handle OMP_CLAUSE.
20470 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20471 * c-typeck.c: Likewise.
20472 * gimplify.c: Likewise.
20473 * c-omp.c: Likewise.
20474 * tree-nested.c: Likewise.
20475 * tree-inline.c: Likewise.
20476 * c-parser.c: Likewise.
20477 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20480 2006-01-25 Roger Sayle <roger@eyesopen.com>
20482 PR rtl-optimization/25703
20483 * combine.c (try_combine): Handle zero_extract and strict_low_part
20484 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20486 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20488 * global.c: Fix comment typos.
20490 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20493 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20494 Use output_addr_const instead of assemble_name.
20496 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20498 * Makefile.in (sched-vis.o): Update dependencies.
20499 * haifa-sched.c (sched_finish): Clear current_sched_info.
20500 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20501 (dump_flow_info): Call it.
20502 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20504 * basic-block.h (dump_bb_info): Declare.
20505 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20506 option, and apply options only for dump files whose TDF_RTL,
20507 TDF_TREE, or TDF_IPA bits match.
20508 * rtl.h: Declare new functions exported from sched-vis.c.
20509 * sched-vis.c: Enable also if scheduling is not used.
20510 (print_value): Print the mode of registers if not inside scheduling.
20511 (print_insn): Make it work outside the scheduler. Beautify the output
20513 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20515 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20517 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20518 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20519 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20520 depending on the value of CONSTANT_POOL_ADDRESS_P.
20521 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20523 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20524 rather than SYMBOL_REF_DECL.
20525 (rtx_constant_pool): Remove const_rtx_sym_htab.
20526 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20527 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20528 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20529 Remove handling of const_rtx_sym_htab.
20530 (find_pool_constant): Delete.
20531 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20532 rather than find_pool_constant.
20533 (get_pool_constant_for_function): Delete.
20534 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20535 find_pool_constant.
20536 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20537 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20538 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20539 (SYMBOL_REF_CONSTANT): New macro.
20540 (get_pool_constant_for_function): Delete.
20541 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20542 rather than SYMBOL_REF_DECL.
20543 (i386_pe_mark_dllimport): Likewise.
20544 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20545 rather than SYMBOL_REF_DECL.
20546 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20547 (machopic_indirect_call_target): Likewise.
20549 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20551 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20553 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20555 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20557 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20559 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20561 2006-01-24 David Daney <ddaney@avtrex.com>
20564 * configure.ac (enable_tls): New enable option.
20565 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20566 * configure: Regenerate.
20567 * doc/install.texi (--enable-tls): Document new option.
20568 (--disable-tls): Ditto.
20570 2006-01-24 Richard Henderson <rth@redehat.com>
20572 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20573 * alias.c (true_dependence): Respect it.
20574 (canon_true_dependence, write_dependence_p): Likewise.
20575 * builtins.c (get_builtin_sync_mem): Set it.
20577 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20579 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20582 2006-01-24 DJ Delorie <dj@redhat.com>
20584 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20585 for storing constants in single-bit bitfields.
20587 2006-01-25 Ben Elliston <bje@au.ibm.com>
20589 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20591 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20594 * tree-ssa-pre.c (phi_translate): Return NULL
20595 for AGGREGATE_TYPE's.
20597 2006-01-24 Zack Weinberg <zackw@panix.com>
20599 * genautomata.c (process_state_for_insn_equiv_partition):
20600 Use xcalloc for insn_arcs_array.
20601 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20602 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20604 2006-01-24 Richard Henderson <rth@redhat.com>
20606 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20607 update all callers.
20609 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20611 PR rtl-optimization/25890
20612 PR rtl-optimization/25905
20613 * combine.c (expand_compound_operation, expand_field_assignment):
20614 Fail if the bitfield's final position is out of bounds.
20616 2006-01-24 Ian Lance Taylor <ian@airs.com>
20618 PR middle-end/25930
20619 * cgraphunit.c (cgraph_output_in_order): Don't clear
20620 cgraph_asm_nodes until after asm strings have been output.
20622 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20624 * fix-header.c (read_scan_file): Add new parameter imultilib when
20625 calling register_include_chains.
20627 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20629 * omp-low.c: Update documentation.
20631 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20632 Daniel Berlin <dberlin@dberlin.org>
20636 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20637 return from the function.
20639 2006-01-22 Zack Weinberg <zackw@panix.com>
20641 * rtl.def (match_code): Add second argument.
20642 * genpreds.c (write_extract_subexp): New function.
20643 (write_match_code): Add path argument. Use write_extract_subexp.
20644 (write_predicate_expr): Pass path to write_match_code.
20645 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20646 not perform a mode test.
20647 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20648 a subexpression does not constrain the top-level code set.
20649 * read-rtl.c (read_rtx_variadic): New function.
20650 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20651 * doc/md.texi: Document new notation.
20652 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20653 (cmpsi_operand): ... here, using new notation.
20655 2006-01-22 Zack Weinberg <zackw@panix.com>
20657 * varray.c: Remove GENERATOR_FILE #ifdefs.
20659 2006-01-22 Zack Weinberg <zackw@panix.com>
20661 * genautomata.c (output_reserved_units_table): Emit nothing if
20662 description->query_units_num is zero. Remove extra blank line.
20663 (output_cpu_unit_reservation_p): Short circuit
20664 if description->query_units_num is zero.
20666 2006-01-22 Zack Weinberg <zackw@panix.com>
20668 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20669 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20670 nor any of the random handful of variables that used to be necessary
20671 when this program was linked with rtlanal.o. Prune set of forward
20672 function declarations.
20673 (struct attr_desc): Remove static_p field.
20674 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20675 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20676 (attr_string): Do not read the character one past the length of
20678 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20679 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20680 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20681 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20682 (make_automaton_attrs): New.
20683 (main): Do not call into genautomata. Call local gen_bypass
20684 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20685 Remove special case for insn_alts.
20686 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20687 varray.h (leftover from previous change). Prune set of forward
20688 function declarations. Remove state_alts fields from all
20689 structures. Remove state_alts_table from struct automaton.
20690 Make everything except main static. Do not maintain num_dfa_decls.
20691 Do not maintain state_alts fields of various structures.
20692 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20693 (add_arc): Remove state_alts argument. All callers updated.
20694 (output_reserved_units_table): Emit #ifdef here...
20695 (output_tables): ...not here. Don't generate state_alts tables.
20696 (expand_automata): Don't generate attributes.
20697 (write_automata): Don't generate state_alts functions.
20698 (main): New function.
20699 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20700 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20701 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20702 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20703 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20704 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20705 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20706 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20708 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20709 * genattrtab.h: Delete file.
20710 * Makefile.in (OBJS-common): Add insn-automata.o.
20711 (insn-automata.o): New rule.
20712 (simple_generated_c): Add insn-automata.c.
20713 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20714 (genprogmd): Add automata.
20715 (build/genattrtab): Needs no extra objects nor libraries.
20716 (build/genautomata): Needs build/vec.o and -lm.
20718 2006-01-22 Zack Weinberg <zackw@panix.com>
20720 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20721 (output_dfa_max_issue_rate, locked_states_num): Delete.
20722 (struct automaton): Add locked_states field.
20723 (output_dead_lock_vect): Save number of locked states in
20724 automaton->locked_states. If it is zero, don't print anything.
20725 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20726 (output_internal_dead_lock_func): Only test the dead_lock_vect
20727 for automata that have locked states.
20728 (output_statistics): Always print the number of locked states for
20729 each automaton. Calculate total number of locked states here.
20730 (write_automata): Don't call output_dfa_max_issue_rate.
20731 * genattrtab.c: Define length_unit_log as a const variable.
20732 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20733 max_insn_queue_index const.
20734 * final.c (length_unit_log): Declare const.
20735 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20737 2006-01-22 Zack Weinberg <zackw@panix.com>
20739 * genautomata.c: Include vec.h, not varray.h.
20740 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20741 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20742 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20743 VEC_* macros operating on appropriately typed vectors, or to
20744 malloced arrays when the size is known in advance. Const-ify
20745 many char* variables and function arguments. No functional changes.
20746 * Makefile.in (build/varray.o): Delete rule.
20747 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20748 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20750 2006-01-22 Zack Weinberg <zackw@panix.com>
20752 * gensupport.c: Define get_insn_name and record_insn_name here.
20753 (read_md_rtx): Call record_insn_name as appropriate.
20754 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20755 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20756 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20758 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20759 (BUILD_VARRAY): Delete.
20760 (genprognormal): Rename genprogmd. Fold in all programs from
20761 genprognoprint; also attrtab.
20762 (build/genattrtab): Just mention genautomata.o and varray.o.
20763 Reorganize a bit, add comments to make the categories clearer.
20765 2006-01-22 Zack Weinberg <zackw@panix.com>
20767 * genconditions.c (condition_table, add_condition): Delete.
20768 (write_conditions): Don't emit n_insn_conditions nor
20769 insn_elision_unavailable. Issue the gcc version #ifdef here,
20770 inside the table, with no #else clause ...
20771 (write_header): ...not here.
20772 (write_writer): New function.
20773 (main): Don't initialize condition_table. Use add_c_test.
20775 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20776 files on the command line.
20777 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20778 Return -1 if there is no entry in the table, don't abort.
20779 (add_c_test, traverse_c_tests): New functions.
20780 * gensupport.h (insn_elision_unavailable, insn_conditions)
20781 (n_insn_conditions): Delete declarations.
20782 (add_c_test, traverse_c_tests): Declare.
20783 * read-rtl.c: Include gensupport.h.
20784 (read_conditions): New function.
20785 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20786 (read_rtx_1): If we get EOF when we were looking for an initial
20787 open paren, return 0. Call read_conditions when appropriate.
20788 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20789 dummy-conditions.o. Eliminate references to insn-conditions.o,
20790 or change them to build/gencondmd.o, as appropriate. Remove
20791 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20792 from $(simple_generated_c). For all files remaining in those
20793 two lists, add insn-conditions.md to the generator command line.
20794 Give insn-constants.h/s-constants their own rules. Add rules
20795 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20796 (build/read-rtl.o): Depend on gensupport.h.
20797 (genprognormal): Include preds.
20798 (genprogearly): Rename genprognoprint; only difference is now that
20799 they don't link with $(BUILD_PRINT).
20800 * dummy-conditions.c: Delete.
20802 2006-01-22 Zack Weinberg <zackw@panix.com>
20804 * genextract.c: Don't include insn-config.h. Do include vec.h.
20805 Declare vectors of int, char, and locstr.
20806 (locstr): New typedef.
20807 (struct extraction): Make all array fields into bare pointers.
20808 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20809 (insn_code_number): Delete.
20810 (accum_extract): New struct.
20811 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20812 (gen_insn): Take insn_code_number as an argument. Use an
20813 accum_extract structure instead of loading data directly into
20814 a struct extraction, and having to know how big it might get.
20815 (walk_rtx): Operate entirely on an accum_extract structure.
20816 (print_path): Avoid unnecessary use of printf.
20817 (print_header): New function, split out of main. Distinguish
20818 more carefully between an unrecognizable insn and an insn that
20819 has the code number of a define_expand.
20820 (main): Pass insn_code_number to gen_insn. Call print_header
20821 only after parsing. Avoid unnecessary use of printf.
20822 * Makefile.in (build/vec.o): New rule.
20823 (build/genextract): Depend on build/vec.o.
20824 (build/genextract.o): Don't depend on insn-config.h.
20826 2006-01-22 Zack Weinberg <zackw@panix.com>
20828 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20829 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20830 practical. Eliminate per-generator-program link rules.
20832 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20834 PR middle-end/24437
20835 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20836 with a call expr to ...
20837 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20839 2006-01-23 Richard Guenther <rguenther@suse.de>
20841 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20842 before make_edge with conditional EDGE_TRUE_VALUE.
20844 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20845 Jan Hubicka <jh@suse.cz>
20846 Richard Guenther <rguenther@suse.de>
20848 PR rtl-optimization/25654
20849 * cfgexpand.c (aggregate_contains_union_type): New function.
20850 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20851 for structure variables that contain a union type.
20853 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20855 * gengtype.c (new_structure): Return the structure.
20856 (create_option): Add an extra "next" argument.
20857 (create_field): New function.
20858 (adjust_field_rtx_def): Use create_option and create_field.
20859 Remove a now-unnecessary call to find_structure.
20860 (adjust_field_tree_def): Likewise.
20861 (note_yacc_type): Remove an unnecessary call to find_structure.
20862 * gengtype.h (new_structure): Return the structure.
20863 (create_option): Add an extra argument.
20864 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20865 (option): Adjust calls to create_option.
20867 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20869 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20871 2006-01-22 Paul Brook <paul@codesourcery.com>
20872 Peter Barada <peter@the-baradas.com>
20874 * config/m68k/m68k.md: Add Coldfire FPU support.
20875 Define FP mode macro and associated attributes.
20876 Use it for float mode patterns.
20877 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20878 (LIBCALL_VALUE): Use m68k_libcall_value.
20879 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20880 (m68k_function_value): Ditto.
20881 (emit_move_sequence): Ditto.
20882 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20883 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20884 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20885 (MULTILIB_EXCEPTIONS): Ditto.
20886 * config/m68k/m68k.opt: Add mcfv4e.
20887 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20888 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20889 (m68k_output_function_prologue): Save ColdFire FPU registers.
20890 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20891 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20892 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20893 ColdFire FPU registers.
20894 (m68k_libcall_value, m68k_function_value): New functions.
20895 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20896 (LIBCALL_VALUE): Use m68k_libcall_value.
20897 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20898 (MASK_COLDFIRE): Add MASK_CFV4E.
20899 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20900 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20901 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20902 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20903 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20904 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20905 * doc/invoke.tex: Document -mcfv4e on m68k.
20907 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20909 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20912 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20915 * c-opts.c (c_common_handle_option): Don't include
20916 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20917 * doc/invoke.texi (C++ Dialect Options): Document that
20918 -Wnon-virtual-dtor is no longer included in -Wall.
20920 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20922 * gcov.c (print_version), gcov-dump.c (print_version),
20923 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20926 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20928 * df-scan.c (problem_SCAN): Added NULL reset function.
20929 (df_scan_reset_blocks): Added code to call reset block function
20930 (df_bb_refs_delete) Fixed comment.
20931 (df_insn_refs_delete): Made tolerant of deleting non existent info
20932 for dataflow problems that need to be reset.
20933 * df-core.c (df_set_blocks): Ditto.
20934 * df.h (struct df_problem): Added reset_fun.
20935 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20936 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20937 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20938 functions to clear out all references to def-use or use-def chains.
20940 2006-01-21 Ben Elliston <bje@au.ibm.com>
20942 * varasm.c (assemble_real): Initialise data array.
20944 2006-01-20 Paul Brook <paul@codesourcery.com>
20946 Merge from csl-arm-branch.
20947 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20948 * config/arm/arm.md (movdi): Force operands[1] to a register
20949 if we have a non-register source.
20950 (*arm_movdi, *movdf_soft_insn): Require that one of the
20951 operands be a register.
20952 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20953 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20955 2006-01-20 DJ Delorie <dj@redhat.com>
20957 * varasm.c (initializer_constant_valid_p): Allow pointers
20958 initialized from integer constants of lesser precision.
20959 (output_constant): Allow non-int-sized pointer modes to be
20960 initialized from integer constants.
20962 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20965 * cppdefault.h (struct default_include): Add multilib flag.
20966 * cppdefault.c (cpp_include_defaults): Set it.
20967 * c.opt (-imultilib): New option.
20968 * c-opts.c (imultilib): New.
20969 (c_common_handle_option): Handle -imultilib.
20970 (c_common_post_options): Likewise.
20971 * c-incpath.c (add_standard_paths, register_include_chains):
20973 * c-incpath.h (register_include_chains): Add extra parameter.
20974 * gcc.c (do_spec_1): Generate -imultilib option.
20975 (The Specs Language): Update %I description.
20976 (process_command): Update copyright notice.
20977 * doc/cppopts.texi (-imultilib): Document.
20978 * doc/invoke.texi (-imultilib): Include in option summary.
20979 (%I): Update specs documentation.
20981 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20983 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20985 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20987 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20990 2006-01-20 Richard Guenther <rguenther@suse.de>
20991 Steven Bosscher <stevenb.gcc@gmail.com>
20993 PR rtl-optimization/24626
20994 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20995 EDGE_TRUE_VALUE if in RTL mode.
20998 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20999 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21001 2006-01-20 Dirk Mueller <dmueller@suse.com>
21004 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21005 instead of a special NOP marker.
21006 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21007 NOP marker handling.
21008 * c-common.h (empty_body_warning): Add forward declaration.
21009 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21010 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21012 2006-01-20 Paul Brook <paul@codesourcery.com>
21014 * Makefile.in (lang_checks): Keep going if mkdir fails.
21016 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21018 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21019 be able to clean out basic block when not necessary.
21020 (df_scan_free): Fixed to properly delete information if df is
21021 unused before calling df_finish.
21022 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21023 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21025 (df_bb_refs_delete): New function.
21026 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21027 * df-core.c (df_set_blocks): Added code to properly clean out
21028 unused blocks if they are not part of the blocks to consider.
21029 Added additional null check.
21030 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21031 be able to clean out basic block when not necessary
21032 * df.h (df_free_bb_function): Ditto.
21033 (df_bb_refs_delete): New function.
21034 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21035 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21036 basic block parameter to be able to clean out basic block when not
21038 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21039 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21040 Fixed to properly delete information if df is unused before
21043 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21045 PR rtl-optimization/25799
21046 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21047 Corrected confluence operator to remove bits from op2 before oring
21048 with op1 rather than removing bits from op1.
21049 (df_ru_transfer_function): Corrected test on wrong bitmap which
21050 caused infinite loop. Both of these problems were introduced in
21051 the dataflow rewrite.
21053 2006-01-19 DJ Delorie <dj@redhat.com>
21055 * reload1.c (find_reload_regs): Note the details of reload
21056 failures in the dump file.
21057 (spill_failure): Likewise.
21059 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21061 * loop-iv.c: Include df.h and hashtab.h.
21062 (enum iv_grd_result): New enum.
21063 (DF_REF_IV, DF_REF_IV_SET): New macros.
21064 (struct biv_entry): New.
21065 (df, bivs): New global variables.
21066 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21067 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21069 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21070 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21071 analyzed_for_bivness_p, record_biv): New functions.
21072 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21073 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21074 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21076 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21078 (iv_number_of_iterations): Use new interface to iv analysis.
21079 * loop-unroll.c: Do not include varray.h.
21080 (analyze_iv_to_split_insn): Use new interface to iv
21082 * loop-unswitch.c (may_unswitch_on): Ditto.
21083 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21085 (df_bb_modify): Realloc tables to the new index.
21086 (df_find_use): New function.
21087 * df.h (df_find_use): Declare.
21088 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21090 * cfgloop.h (struct rtx_iv): Remove analysed field.
21091 (iv_get_reaching_def): Removed.
21092 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21093 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21094 (loop-iv.o): Add df.h and hashtab.h dependency.
21095 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21097 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21100 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21102 (__floatundisf, __floatundidf): Likewise.
21103 * libgcc2.h (IS_IBM_EXTENDED): Define.
21105 2006-01-19 DJ Delorie <dj@redhat.com>
21107 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21109 2006-01-19 Paul Brook <paul@codesourcery.com>
21111 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21112 as nothrow when unwinding tables are disabled.
21114 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21117 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21118 of bit-field" when in system header.
21120 2006-01-19 DJ Delorie <dj@redhat.com>
21122 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21123 the 16 bit shift limit of the m16c.
21125 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21128 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21129 * config/i386/i386.c (output_set_got): Output the label if we have one
21130 for the TARGET_DEEP_BRANCH_PREDICTION case.
21132 2006-01-19 Jan Hubicka <jh@suse.cz>
21133 H.J. Lu <hongjiu.lu@intel.com>
21134 Evandro Menezes <evandro.menezes@amd.com>
21136 * invoke.texi (generic): Document
21138 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21139 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21140 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21141 (x86_use_incdec, x86_pad_returns): New variables
21142 (TARGET_CPU_DEFAULT_generic): New constant
21143 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21144 (enum processor_type): Add generic32 and generic64.
21145 * i386.md (cpu attribute): Add generic32/generic64
21146 (movhi splitter): Behave sanely when both partial_reg_dependency and
21147 partial_reg_stall are set.
21148 (K8 splitters): Enable for generic as well.
21149 * predicates.md (incdec_operand): Use TARGET_INCDEC
21150 (aligned_operand): Avoid memory mismatch stalls.
21151 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21152 * ppro.md: Enable for generic32
21153 * i386.c (generic64_cost, generic32_cost): New.
21154 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21155 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21156 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21157 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21158 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21159 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21160 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21161 x86_accumulate_outgoing_args, x86_prologue_using_move,
21162 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21163 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21164 Enable for generic.
21165 (x86_use_incdec, x86_pad_returns): New.
21166 (override_options): Add generic32 and generic64, translate "generic"
21167 to generic32/generic64 and "i686" to "generic32", refuse
21168 "generic32"/"generic64" as arch target.
21169 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21170 (ix86_reorg): Honor PAD_RETURNS.
21172 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21174 * tree-pretty-print.c (dump_generic_node): Handle
21175 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21176 * cgraph.c (cgraph_expand_queue): Rename from
21177 cgraph_analyze_queue. Update all users.
21178 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21179 cgraph_expand_queue.
21180 (cgraph_expand_all_functions): Likewise.
21181 (cgraph_finalize_pending_functions): Remove. Update callers.
21183 * tree.h (OMP_DIRECTIVE_P): Define.
21184 (OMP_PARALLEL_FN): Define.
21185 (OMP_PARALLEL_DATA_ARG): Define.
21186 (OMP_SECTIONS_SECTIONS): Define.
21187 * tree-pass.h (pass_expand_omp): Declare.
21188 * omp-low.c (struct omp_region): Declare.
21189 (struct omp_context): Remove fields 'parallel_type',
21190 'parallel_start_ix' and 'parallel_start_additional_args'.
21192 (struct omp_for_data): Rename from struct expand_omp_for_data.
21193 (omp_regions): New static variable.
21194 (root_omp_region): New static variable.
21195 (find_omp_clause): Make static.
21196 (is_in_combined_parallel_ctx): Remove.
21197 (is_combined_parallel): New.
21198 (extract_omp_for_data): Move earlier in the file.
21199 (workshare_safe_to_combine_p): New.
21200 (get_ws_args_for): New.
21201 (determine_parallel_type): Move earlier in the file.
21202 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21204 (omp_copy_decl): Likewise.
21205 (create_omp_child_function): Likewise.
21206 (lookup_omp_region): New.
21207 (dump_omp_region): New.
21208 (debug_omp_region): New.
21209 (debug_all_omp_regions): New.
21210 (new_omp_region): New.
21211 (scan_omp_parallel): If parallel_nesting_level > 1, the
21212 directive is nested within another parallel directive.
21213 Set OMP_PARALLEL_FN.
21214 (scan_omp_for): Do not try to handle combined parallel+for
21216 Remove FIXME comment.
21217 (scan_omp_nested): Remove.
21218 (scan_omp_1): Do not call scan_omp_nested when
21219 parallel_nesting_level is > 1.
21220 Do not change the DECL_CONTEXT of local variables found.
21221 (lookup_decl_in_outer_ctx): New.
21222 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21223 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21224 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21225 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21226 If CTX is nested, lookup VAR in the outer context when
21227 building copy assignment.
21228 (lower_send_clauses): Rename from expand_send_clauses.
21229 If CTX is nested, lookup VAR in the outer context when
21230 building copy assignments.
21231 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21232 If CTX is nested, lookup VAR in the outer context when
21233 building copy assignments.
21234 (expand_parallel_call): Rename from build_parallel_call.
21235 Handle combined parallel+workshare cases.
21236 Re-implement to emit code into the CFG.
21238 (expand_omp_parallel): Re-implement to emit code into the CFG.
21239 Call move_sese_region_to_fn to outline the sub-graph
21240 containing the parallel region.
21241 (expand_omp_for_1): Remove.
21242 (expand_omp_for_generic): Re-implement to emit code into the
21244 (expand_omp_for_static_nochunk): Likewise.
21245 (expand_omp_for_static_chunk): Likewise.
21246 (expand_omp_for): Likewise.
21247 (expand_omp_sections): Likewise.
21248 (remove_exit_barriers): New.
21249 (expand_omp_synch): New.
21251 (build_omp_regions_1): New.
21252 (build_omp_regions): New.
21253 (execute_expand_omp): New.
21254 (gate_expand_omp): New.
21255 (pass_expand_omp): Define.
21256 (lower_omp_sections): Rename from expand_omp_sections.
21257 Set OMP_SECTIONS_SECTIONS.
21258 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21259 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21260 (lower_omp_single): Rename from expand_omp_simple.
21261 (lower_omp_master): Rename from expand_omp_master.
21262 (lower_omp_ordered): Rename from expand_omp_ordered.
21263 (lower_omp_critical): Rename from expand_omp_critical.
21264 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21265 (lower_omp_for): Re-implement.
21266 (lower_omp_parallel): Re-implement.
21267 (lower_regimplify): Rename from expand_regimplify.
21268 (lower_omp_1): Rename from expand_omp_1.
21269 If there are syntax errors in the program, replace every
21270 OpenMP directive with NOP.
21271 Call lower_omp_* instead of expand_omp_*.
21272 (lower_omp): Rename from expand_omp.
21274 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21275 * tree-gimple.h (enum omp_parallel_type): Remove.
21276 (gimple_boolify): Declare extern.
21277 (find_omp_clause, determine_parallel_type): Remove.
21279 * gimple-low.c (lower_omp_directive): New.
21280 (lower_stmt): Call it.
21281 (record_vars_into): Move from ...
21282 (record_vars): ... here.
21283 Call record_vars_into with current_function_decl.
21285 * gimplify.c (struct gimplify_ctx): Remove fields
21286 combined_pre_p and combined_ctxp. Update users.
21287 (get_formal_tmp_var): Add documentation.
21288 (gimple_boolify): Make extern.
21289 (gimplify_expr_in_ctx): Remove. Update callers.
21290 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21291 will always be a BIND_EXPR.
21292 (gimplify_expr): Handle OMP_RETURN_EXPR.
21293 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21294 (OMP_PARALLEL): Add 3 operands.
21295 (OMP_SECTIONS): Add 1 operand.
21296 (OMP_RETURN_EXPR): Define.
21298 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21299 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21300 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21301 creating a circular free list.
21302 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21304 * tree-flow.h (move_sese_region_to_fn): Declare.
21305 (record_vars_into): Declare.
21306 * tree-cfg.c (make_omp_sections_edges): New.
21307 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21308 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21309 OMP_SECTIONS and OMP_SECTION.
21310 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21311 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21312 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21313 (gather_blocks_in_sese_region): New.
21314 (struct move_stmt_d): Declare.
21315 (move_stmt_r): New.
21316 (move_block_to_fn): New.
21317 (move_sese_region_to_fn): New.
21319 * passes.c (init_optimization_passes): Schedule
21320 pass_expand_omp after pass_init_datastructures.
21322 * tree-ssa-operands.c (get_expr_operands): Handle
21323 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21324 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21326 2006-01-19 Jeff Law <law@redhat.com>
21328 * tree-vrp.c (extract_range_from_assert): Refine the result range
21329 if the variable referenced by the ASSERT_EXPR has a range and
21330 either the tentative result range or the previous range is a
21333 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21335 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21337 2006-01-19 Jan Hubicka <jh@suse.cz>
21339 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21341 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21343 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21344 (expand_compound_operation, expand_field_assignment): Fail if the
21345 bit lengths of an extract operation are out of range.
21346 (make_extraction): Compute wanted_inner_mode based on the position
21347 and length of the extraction. Make it extraction_mode for non-constant
21348 positions, and do not modify offset in that case. When generating a
21349 new MEM, use a mode that can hold the extraction while keeping correct
21350 alignment. Remove code that supported MEMs wrapped by USEs.
21351 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21353 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21355 * config/s390/s390.md ("Y", "y"): New mode attribute.
21356 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21357 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21358 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21359 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21360 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21361 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21362 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21363 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21364 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21365 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21366 "addsi3", "subsi3"): Insn patterns removed.
21367 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21368 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21369 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21370 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21371 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21372 "*sub<mode>3_cconly2"): New insn patterns.
21373 ("addsi3", "subsi3"): New expanders.
21375 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21377 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21378 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21379 existing STMT_VINFO_VECTYPE if available.
21380 (vect_mark_relevant): Add special handling for stmts that are
21381 marked as STMT_VINFO_IN_PATTERN_P.
21382 (vect_analyze_loop): Call vect_pattern_recog.
21383 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21384 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21386 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21387 (vect_recog_func_ptr): New function-pointer type.
21388 * tree-vect-patterns.c: New file.
21389 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21390 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21391 (vect_pattern_recog_1): New functions.
21392 (vect_pattern_recog_funcs): New array of function pointers.
21394 * tree-vectorizer.h (ternary_op): New enum value.
21395 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21396 declaration. Revised documentation. Removed redundant dump prints.
21397 Removed redundant argument. Added support for reduction patterns.
21398 (vectorizable_reduction): Added support for reduction patterns.
21399 (vect_transform_stmt): Added support for patterns.
21401 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21402 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21403 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21404 (expand_widen_pattern_expr): New function.
21405 (init_optabs): Initialize new optabs udot_prod_optab,
21407 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21408 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21409 (expand_widen_pattern_expr): New function declaration.
21410 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21412 * tree-inline.c (estimate_num_insns_1): Added cases for new
21413 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21414 * tree-pretty-print.c (dump_generic_node): Likewise.
21415 (op_prio): Likewise.
21416 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21417 * tree-ssa-operands.c (get_expr_operands): Added case for
21419 * tree-vect-patterns.c (widened_name_p): New function.
21420 (vect_recog_dot_prod_pattern): Added function implementation.
21421 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21422 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21423 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21424 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21426 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21427 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21428 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21429 (init_optabs): Initialize new optabs widen_ssum_optab,
21431 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21432 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21433 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21434 use instead of type of def.
21435 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21436 function implementation.
21437 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21438 widen_ssumv8hi): New.
21440 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21443 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21446 * c-decl.c (add_flexible_array_elts_to_size): New function.
21447 (finish_decl): Use it.
21449 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21451 * diagnostic.h: Include options.h.
21452 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21453 dependancies for diagnostic.h.
21454 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21456 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21458 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21459 (ssa_ro_call_cache_valid): Ditto.
21460 * tree-ssa-alias.c (sort_tags_by_id): New function.
21461 (init_transitive_clobber_worklist): Ditto.
21462 (add_to_worklist): Ditto.
21463 (mark_aliases_call_clobbered): Ditto.
21464 (compute_tag_properties): Ditto.
21465 (set_initial_properties): Ditto.
21466 (compute_call_clobbered): Ditto.
21467 (compute_may_aliases): Call compute_call_clobbered and grouping.
21468 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21469 (compute_flow_insensitive_aliasing): Grouping now happens in our
21471 (setup_pointers_and_addressables): Remove clobbering related code.
21472 (add_may_alias): Ditto.
21473 (replace_may_alias): Ditto.
21474 (get_nmt_for): Ditto.
21475 (create_global_var):
21476 (is_escape_site): Return an escape_type enumeration.
21477 * tree-flow-inline.h (is_call_clobbered): Global var does not
21478 imply call clobbered.
21479 (mark_call_clobbered): Take a reason for marking this. Remove
21480 marking of globalness, and cache invalidation.
21481 (clear_call_clobbered): Remove cache invalidation code.
21482 * tree-dfa.c (dump_variable): If details is on, dump the reason
21484 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21486 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21487 (struct var_ann_d): Ditto.
21488 (enum escape_type): New.
21489 (mark_call_clobbered): Adjust prototype.
21490 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21491 are never call clobbered.
21492 Record reasons for escaping.
21493 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21494 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21495 (ssa_ro_call_cache_valid): Ditto.
21496 (clobbered_v_may_defs): Ditto.
21497 (clobbered_vuses): Ditto.
21498 (ro_call_vuses): Ditto.
21499 (clobber_stats): New.
21500 (init_ssa_operands): Zero out clobber stats.
21501 (fini_ssa_operands): Print out clobber stats.
21502 (get_call_expr_operands): Pass callee fndecl to
21503 add_call_read_ops).
21504 (add_call_clobber_ops): Remove use of cache.
21505 Add use of PURE_CONST information.
21506 (add_call_read_ops): Remove use of cache.
21507 Add use of static not_read information.
21509 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21511 Introduce TLS descriptors for i386 and x86_64.
21512 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21513 (TARGET_ANY_GNU_TLS): New macro.
21514 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21515 (struct machine_function): Add tls_descriptor_call_expanded_p.
21516 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21517 (ix86_current_function_calls_tls_descriptor): Likewise.
21518 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21519 (override_options): Introduce gnu2 tls dialect.
21520 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21522 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21524 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21525 (ix86_init_machine_status): Initialize new field.
21526 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21527 (ix86_tls_module_base): New.
21528 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21529 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21530 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21531 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21532 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21533 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21534 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21535 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21536 * config/i386/predicates.md (tls_modbase_operand): New.
21537 (tp_or_register_operand): New.
21539 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21541 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21542 (look_for_address_of): Ditto.
21543 (ipa_init): Walk the function decls.
21544 (static_execute): Don't set readonly on FUNCTION_DECL's.
21546 2006-01-18 Roger Sayle <roger@eyesopen.com>
21548 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21549 for shifts where the source and destination registers are different.
21551 2006-01-18 Paul Brook <paul@codesourcery.com>
21553 Merge from csl-arm-branch.
21554 2005-03-14 Julian Brown <julian@codesourcery.com>
21555 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21556 (aeabi_llsl): Likewise.
21557 (ashrdi3): Likewise.
21558 (aeabi_lasr): Likewise.
21559 (lshrdi3): Likewise.
21560 (aeabi_llsr): Likewise.
21561 2005-03-10 Julian Brown <julian@codesourcery.com>
21562 * config.gcc: Disable shared libgcc for SymbianOS.
21563 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21565 2006-01-18 DJ Delorie <dj@redhat.com>
21567 * c-pragma.c (handle_pragma_diagnostic): New.
21568 (init_pragma): Register it.
21569 * doc/extend.texi: Document it.
21571 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21572 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21573 (diagnostic_context): Add classify_diagnostic[].
21574 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21575 as errors if they're overridden to DK_WARNING.
21576 (diagnostic_initialize): Initialize classify_diagnostic[].
21577 (diagnostic_set_kind_override): New.
21578 (diagnostic_report_diagnostic): Check for kind changes.
21579 * opts.c (common_handle_option): Take lang_mask. Update callers.
21580 Handle OPT_Werror_.
21581 * common.opt (Werror=): New.
21582 * doc/invoke.texi: Document -Werror=*
21584 2006-01-18 Jeff Law <law@redhat.com>
21586 * tree-vrp.c (test_for_singularity): Correct test for new
21587 min limit. Use operand_equal_p rather than pointer equality
21588 for testing if new min/max values are equal.
21590 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21591 using range information until after propagation and folding.
21593 2006-01-18 Richard Henderson <rth@redhat.com>
21594 Aldy Hernandez <aldyh@redhat.com>
21595 Jakub Jelinek <jakub@redhat.com>
21596 Diego Novillo <dnovillo@redhat.com>
21598 * omp-low.c: New file.
21599 * c-omp.c: New file.
21601 2006-01-18 Richard Henderson <rth@redhat.com>
21602 Jakub Jelinek <jakub@redhat.com>
21603 Diego Novillo <dnovillo@redhat.com>
21605 * doc/invoke.texi: Document -fopenmp.
21606 * tree-dump.h (debug_function): Declare.
21607 * hooks.c (hook_bool_tree_bool_false): New function.
21608 (hook_tree_tree_null): Remove.
21609 (hook_tree_tree_tree_null): New.
21610 * hooks.h: Update to match.
21611 * tree-pretty-print.c (debug_tree_chain): New.
21612 (print_generic_expr): Handle TDF_CHAIN.
21613 (dump_generic_node): Handle BLOCK.
21614 Do not abort with incomplete SWITCH_EXPRs.
21615 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21616 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21617 print space after directive name.
21618 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21619 Handle OMP_MASTER and OMP_ORDERED.
21620 Handle printing of OMP_BODY just in one place, goto
21621 dump_omp_body in the rest of OMP_* nodes that have
21623 Don't handle clause nodes here. Update omp statements to
21624 use dump_omp_clauses.
21625 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21626 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21627 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21628 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21629 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21630 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21631 Adjust output for GOMP_PARALLEL.
21632 (dump_omp_clauses): New.
21633 (print_declaration): Dump DECL_VALUE_EXPR.
21634 (op_symbol_1): Split out of op_symbol.
21635 (dumping_stmts): Remove. Update all users.
21636 * cgraph.c (cgraph_analyze_queue): New.
21637 (cgraph_add_new_function): New.
21638 * cgraph.h (cgraph_analyze_queue): Declare.
21639 (cgraph_add_new_function): Declare.
21640 (cgraph_lower_function): Remove.
21641 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21642 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21643 and TYPE_P nodes in its default clause.
21644 (empty_body_p): New.
21645 (tree_range_check_failed): New.
21646 (build5_stat): New.
21647 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21648 OMP_CLAUSE_REDUCTION_MERGE,
21649 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21650 OMP_CLAUSE_PRIVATE_DEBUG,
21651 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21652 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21653 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21654 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21655 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21656 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21657 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21658 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21659 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21660 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21661 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21662 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21663 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21664 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21665 (TREE_RANGE_CHECK): New.
21666 (empty_body_p): Declare.
21667 (enum omp_clause_default_kind): New.
21668 (build_string_literal): Declare.
21669 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21670 (build5_stat, build5): Declare.
21671 * tree-pass.h (TDF_CHAIN): Define.
21672 * tree-pass.h (PROP_gimple_lomp): Define.
21673 (pass_lower_omp): Declare.
21674 * diagnostic.h (debug_tree_chain): Declare.
21675 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21677 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21678 * builtins.c (build_string_literal): Make extern.
21679 * gcc.c (include_spec_function): New.
21680 (static_spec_functions): Add it.
21681 (main): Move load of libgomp.spec ...
21682 (LINK_COMMAND_SPEC): ... here.
21683 (link_gomp_spec): New.
21684 (static_specs): Include it.
21685 (LINK_COMMAND_SPEC): Add link_gomp.
21686 (GOMP_SELF_SPECS): New.
21687 (driver_self_specs): Include it.
21688 (switch_matches): Don't mark inline.
21689 (main): Load libgomp.spec.
21690 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21691 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21692 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21693 * tree-gimple.h (enum omp_parallel): Declare.
21694 (determine_parallel_type): Declare.
21695 (omp_firstprivatize_variable): Declare.
21696 (omp_reduction_init): Declare.
21697 (diagnose_omp_structured_block_errors): Declare.
21698 (struct walk_stmt_info): Add want_return_expr.
21699 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21700 (find_omp_clause): Declare.
21701 (insert_field_into_struct): Declare.
21702 (struct walk_stmt_info): Move from tree-nested.c
21703 (walk_stmts): Declare.
21704 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21706 * cgraphunit.c (cgraph_lower_function): Make static.
21707 (cgraph_finalize_pending_functions): New.
21708 (cgraph_finalize_function): Call it.
21709 (cgraph_finalize_compilation_unit): Likewise.
21710 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21711 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21712 (BT_FN_UINT_UINT): New.
21713 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21714 DEF_FUNCTION_TYPE_VAR_4): Document.
21715 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21716 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21717 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21718 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21719 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21720 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21721 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21722 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21723 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21724 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21725 into separate files.
21726 (DEF_GOMP_BUILTIN): New.
21727 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21728 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21729 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21730 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21731 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21732 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21733 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21734 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21735 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21736 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21737 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21738 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21739 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21740 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21741 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21742 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21743 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21744 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21745 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21746 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21747 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21748 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21749 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21750 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21751 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21752 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21753 * sync-builtins.def: New file, moved from builtins.def.
21754 * omp-builtins.def: New file, moved from builtins.def.
21755 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21756 * gimple-low.c (lower_function_body): Clear data.
21757 (lower_stmt): Do not handle COMPOUND_EXPR.
21758 Remove call to print_node_brief.
21759 * c-tree.h (c_finish_omp_clauses): New prototype.
21760 (C_DECL_THREADPRIVATE_P): Define.
21761 (lookup_name_no_remap, c_omp_remap_private): Remove
21762 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21763 (check_for_loop_decls): Update decl.
21764 (lookup_name_no_remap, c_omp_remap_private): Declare.
21765 (build_indirect_ref, build_modify_expr, pushdecl,
21766 pushdecl_top_level): Move to c-common.h.
21767 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21768 before the switch, but just in the 2 places that need it.
21769 * c-decl.c (diagnose_mismatched_decls): Do not check for
21770 mismatched thread-local attributes when OLDDECL is marked
21771 threadprivate and NEWDECL has no thread-local attributes.
21772 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21773 (c_gimple_diagnostics_recursively): Rename from
21774 c_warn_unused_result_recursively. Invoke
21775 diagnose_omp_structured_block_errors.
21776 (check_for_loop_decls): Return a singular decl found.
21777 * langhooks.c (lhd_omp_predetermined_sharing): Return
21778 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21779 (lhd_omp_firstprivatize_type_sizes): New.
21780 (lhd_omp_assignment): New.
21781 (lhd_omp_predetermined_sharing): New.
21782 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21783 (struct lang_hooks_for_types): Add
21784 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21785 omp_predetermined_sharing, omp_disregard_value_expr,
21786 omp_private_debug_clause, omp_clause_default_ctor,
21787 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21788 (c_finish_omp_clauses): New.
21789 (c_finish_bc_stmt): Diagnose break within omp for.
21790 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21791 (build_unary_op): Return error_mark after reporting
21793 (build_modify_expr): Likewise.
21794 * gimplify.c: Include optabs.h and pointer-set.h.
21795 (enum gimplify_omp_var_data): Declare.
21796 (struct gimplify_omp_ctx): Declare.
21797 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21799 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21800 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21801 (splay_tree_compare_decl_uid): New.
21802 (new_omp_context): New.
21803 (delete_omp_context): New.
21804 (gimple_add_tmp_var): Call omp_add_variable.
21805 (gimplify_bind_expr): Likewise.
21806 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21807 true, disregard DECL_VALUE_EXPR on the decl if any.
21808 (gimplify_expr_in_ctx): New.
21809 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21810 omp_add_variable, omp_notice_variable, omp_is_private
21811 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21812 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21813 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21814 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21815 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21816 gimplify_omp_atomic): New.
21817 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21818 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21819 OMP_CRITICAL and OMP_ATOMIC.
21820 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21821 * c-pragma.h (enum pragma_kind): Add
21822 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21823 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21824 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21825 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21826 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21827 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21828 PRAGMA_OMP_THREADPRIVATE.
21829 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21830 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21831 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21832 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21833 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21834 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21835 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21836 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21837 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21838 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21839 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21840 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21841 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21843 (struct nesting_info): Add field_map,
21844 suppress_expansion, debug_var_chain.
21845 (create_nesting_tree): Initialize them.
21846 (lookup_field_for_decl): Use field_map.
21847 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21848 (convert_local_omp_clauses): New.
21849 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21850 (walk_body): Split out of walk_function.
21851 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21852 (convert_nonlocal_reference): Handle omp statements.
21853 (convert_local_reference): Likewise.
21854 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21855 (unnest_nesting_tree): New.
21856 (lower_nested_functions): Call it.
21857 (insert_field_into_struct): Make extern.
21858 (struct walk_stmt_info): Move to tree-gimple.h.
21859 (walk_stmts): Make extern.
21860 * omp-builtins.def: New file.
21861 * tree-iterator.c (expr_only): Clarify comment.
21862 * c-common.h (pushdecl_top_level, pushdecl,
21863 build_modify_expr, build_indirect_ref,
21864 c_finish_omp_master, c_finish_omp_critical,
21865 c_finish_omp_ordered, c_finish_omp_barrier,
21866 c_finish_omp_atomic, c_finish_omp_flush,
21867 c_finish_omp_for, c_split_parallel_clauses,
21868 omp_clause_default_kind, c_omp_sharing_predetermined,
21869 c_omp_remap_decl): Declare.
21870 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21871 (OBJS-common): Add omp-low.o.
21872 (c-omp.o, omp-low.o): Add.
21873 (gimplify.o): Add dependency on $(OPTABS_H).
21874 (GTFILES): Add omp-low.c.
21875 (gt-stringpool.h): Add.
21876 * tree-cfg.c (set_bb_for_stmt): Do not update the
21877 block-to-labels map if we are currently expanding to RTL.
21878 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21880 Handle IDENTIFIER_NODE.
21881 (tree_verify_flow_info): Do not ICE when emitting error
21882 messages about invalid labels.
21883 (dump_function_to_file): Reset CFUN before emitting the body
21885 (debug_function): New.
21886 * passes.c (init_optimization_passes): Schedule
21888 * langhooks-def.h (lhd_omp_predetermined_sharing,
21889 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21891 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21892 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21893 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21894 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21895 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21896 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21897 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21898 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21899 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21900 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21901 (LANG_HOOK_DECLS): Use them.
21903 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21904 Richard Henderson <rth@redhat.com>
21905 Jakub Jelinek <jakub@redhat.com>
21906 Diego Novillo <dnovillo@redhat.com>
21908 * c-parser.c (pragma_omp_clause): Define.
21909 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21910 (c_parser_compound_statement): Likewise.
21911 (c_parser_statement): Likewise.
21912 (c_parser_pragma): Handle omp pragmas.
21913 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21914 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21915 (c_parser_omp_clause_name, check_no_duplicate_clause,
21916 c_parser_omp_variable_list,
21917 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21918 c_parser_omp_clause_copyprivate,
21919 c_parser_omp_clause_default,
21920 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21921 c_parser_omp_clause_lastprivate,
21922 c_parser_omp_clause_nowait,
21923 c_parser_omp_clause_num_threads,
21924 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21925 c_parser_omp_clause_reduction,
21926 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21927 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21928 c_parser_omp_atomic, c_parser_omp_barrier,
21929 c_parser_omp_critical, c_parser_omp_flush,
21930 c_parser_omp_for_loop, c_parser_omp_for,
21931 c_parser_omp_master, c_parser_omp_ordered,
21932 c_parser_omp_sections_scope, c_parser_omp_sections,
21933 c_parser_omp_parallel, c_parser_omp_single,
21934 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21935 * c-pragma.c (init_pragma): Do omp pragma registration here.
21936 * c.opt (fopenmp): New flag.
21938 2006-01-18 Eric Christopher <echristo@apple.com>
21940 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21941 * config/darwin.h (GOMP_SELF_SPECS): Define.
21943 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21945 * rtl.h: Remove the prototype for reg_alloc.
21947 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21950 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21951 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21952 sjlj and dwarf2 exception handling.
21953 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21954 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21955 * pa/pa.c (function_value): Treat complex and vector types as
21957 (function_arg): Likewise. Only pass scalar floats in the floating
21958 point argument registers.
21959 * pa/t-slibgcc-dwarf-ver: New file.
21960 * pa/t-slibgcc-sjlj-ver: New file.
21961 * pa/t-slibgcc-elf-ver: Delete file.
21963 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21965 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21966 unlikely_test_section_p test.
21968 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21970 * mode-switching.c (optimize_mode_switching): Make it static.
21971 * basic-block.h: Remove the prototype for
21972 optimize_mode_switching.
21974 * modulo-sched.c (sms_schedule): Make it static.
21975 * rtl.h: Remove the prototype for sms_schedule.
21977 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21978 * rtl.h: Remove the prototype for gcse_after_reload_main.
21980 * reg-stack.c (reg_to_stack): Make it static.
21981 * rtl.h: Remove the prototype for reg_to_stack.
21983 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21985 * rtl.h: Remove the prototypes for regrename_optimize and
21986 copyprop_hardreg_forward.
21988 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21990 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21991 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21992 Test against the appropriate null constant for the mode.
21993 If 'fixup_overlap' is true, swap the operands if they overlap.
21994 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21995 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21996 alpha_split_tmode_pair and adjust for above change.
21997 * config/alpha/alpha.md (movtf_internal): Adjust call to
21998 alpha_split_tfmode_pair and rely on it to swap the operands.
21999 (movti_internal): New insn and post-reload splitter.
22000 (movti): New expander.
22002 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22004 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22007 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22009 * rtlanal.c (global_reg_mentioned_p_1,
22010 global_reg_mentioned_p): Remove.
22011 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22013 * flow.c (initialize_uninitialized_subregs): Make it static.
22014 * rtl.h: Remove the prototype for
22015 initialize_uninitialized_subregs.
22017 * function.c (instantiate_virtual_regs): Make it static.
22018 * function.h: Remove the prototype for
22019 instantiate_virtual_regs.
22021 * regmove.c (regmove_optimize, combine_stack_adjustments):
22023 * rtl.h: Remove the prototypes for regmove_optimize and
22024 combine_stack_adjustments.
22026 2006-01-17 Roger Sayle <roger@eyesopen.com>
22028 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22029 (size_cost): Encode costs in bytes so that a reg-reg addition is
22030 equivalent to COSTS_N_INSNS(1).
22031 (override_options): Use the size_cost.branch_cost as the default
22032 ix86_branch_cost when optimizing for size.
22034 2006-01-18 Ben Elliston <bje@au.ibm.com>
22036 * Makefile.in (D32PBIT_FUNCS): New.
22037 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22038 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22039 D64PBIT_FUNCS and D128PBIT_FUNCS.
22040 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22041 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22043 (decnumber_dep): Define.
22044 * doc/libgcc.texi (Decimal float library routines): New node.
22045 * config/dfp-bit.h, config/dfp-bit.c: New files.
22047 2006-01-18 Ben Elliston <bje@au.ibm.com>
22049 * expr.c (emit_move_change_mode): Always adjust addresses, not
22050 just during reload. Copy replacements only during reload.
22051 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22052 emit_move_via_integer.
22054 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22056 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22057 instead of $(srcdir) and ${srcdir}.
22059 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22062 PR middle-end/11135
22063 * arm.h (struct machine_function): Add pic_reg.
22064 * arm.c (arm_pic_register): Make unsigned.
22065 (arm_override_options): Only set arm_pic_register if
22066 TARGET_SINGLE_PIC_BASE.
22067 (use_return_insn): Only test for a pic register if it is fixed.
22068 (arm_compute_save_reg0_reg12_mask): Likewise.
22069 (thumb_compute_save_reg_mask): Likewise.
22070 (legitimate_pic_operand): Factor out some known invariants.
22071 (legitimize_pic_address): If we don't have a fixed pic register,
22072 then set up a pseudo in the function entry sequence. Handle the
22073 pic base being in a pseudo.
22074 (arm_load_pic_register): Handle the pic register being in a pseudo.
22075 (arm_expand_prologue): Only set up the pic register if it is fixed.
22076 (thumb_expand_prologue): Likewise.
22077 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22078 (pic_load_addr_based_insn): Likewise.
22079 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22082 2006-01-18 Ben Elliston <bje@au.ibm.com>
22084 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22085 decimal float modes for all floating point registers.
22087 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22088 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22090 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22093 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22094 even when the pointer is not NULL.
22096 2006-01-16 Ian Lance Taylor <ian@airs.com>
22098 * common.opt (ftoplevel-reorder): New option.
22099 * cgraph.c (cgraph_asm_nodes): New global variable.
22100 (cgraph_asm_last_node): New static variable.
22101 (cgraph_order): New global variable.
22102 (cgraph_create_node): Set new order field.
22103 (cgraph_varpool_node): Likewise.
22104 (decide_is_variable_needed): Return true if not
22105 flag_toplevel_reorder.
22106 (cgraph_add_asm_node): New function.
22107 * cgraph.h (struct cgraph_node): Add order field.
22108 (struct cgraph_varpool_node): Add order field.
22109 (struct cgraph_asm_node): Define.
22110 (cgraph_asm_nodes, cgraph_order): Declare.
22111 (cgraph_add_asm_node): Declare.
22112 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22114 (cgraph_varpool_assemble_pending_decls): Call it.
22115 (cgraph_output_pending_asms): New static function.
22116 (cgraph_finalize_compilation_unit): Call it.
22117 (struct cgraph_order_sort): Define.
22118 (cgraph_output_in_order): New static function.
22119 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22120 !flag_toplevel_reorder case.
22121 * c-parser.c: Include "cgraph.h".
22122 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22124 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22125 than -fno-unit-at-a-time.
22126 * doc/invoke.texi (Option Summary): Mention
22127 -fno-toplevel-reorder.
22128 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22129 -funit-at-a-time documentation.
22131 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22132 Kazu Hirata <kazu@codesourcery.com>
22134 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22136 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22138 * Makefile.in (FUNCTION_H): New. Use it instead of
22139 function.h throughout the file.
22140 * function.h: Include tree.h.
22142 2006-01-17 Ben Elliston <bje@au.ibm.com>
22144 * recog.c: Separate some functions with whitespace.
22146 2006-01-16 Richard Henderson <rth@redhat.com>
22148 Merge from gomp branch:
22149 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22150 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22151 and rename from struct inline_data. Rename callee* to dst*;
22152 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22153 transform_new_cfg, transform_return_to_modify, and
22154 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22156 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22157 (copy_decl_for_dup): Remove.
22158 * tree-inline.c (struct inline_data): Move to header.
22159 (insert_decl_map): Export.
22160 (remap_decl): Update for member name changes. Use copy_decl hook.
22161 Allow for replacement to be a non-decl. Remove dead code.
22162 (remap_type_1): Check for existing mapping.
22163 (remap_type): Export.
22164 (remap_decls): Update for member name changes.
22165 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22166 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22167 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22168 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22169 (tree_function_versioning, build_duplicate_type): Likewise.
22170 (copy_body_r): Likewise. Export.
22171 (copy_decl_for_dup): Split into ...
22172 (copy_decl_for_dup_finish, copy_decl_to_var,
22173 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22174 (replace_ref_tree, inlining_p): Remove.
22176 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22178 * ifcvt.c (if_convert): Make it static.
22179 * rtl.h: Remove the prototype for if_convert.
22181 * local-alloc.c (local_alloc): Make it static.
22182 * rtl.h: Remove the prototype for local_alloc.
22184 * loop.c (loop_optimize): Make it static.
22185 * cfgloop.h: Remove the prototype for loop_optimize.
22188 2006-01-16 DJ Delorie <dj@redhat.com>
22190 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22193 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22195 * pa.md: Disparage copies between general and floating-point registers
22196 in 32-bit move patterns.
22198 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22201 * Makefile.in (check-%): Depend on site.exp instead of
22202 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22205 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22207 * global.c (global_alloc): Make it static.
22208 * rtl.h: Remove the prototype for global_alloc.
22210 2006-01-16 Richard Guenther <rguenther@suse.de>
22212 * tree-ssa-alias.c (struct used_part): Add write_only field.
22213 (get_or_create_used_part_for): Initialize it to true.
22214 (create_overlap_variables_for): Don't create structure variables
22215 for structures that only are written to.
22216 (find_used_portions): Handle MODIFY_EXPR to track whether a
22217 structure is only written to.
22219 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22221 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22223 * basic-block.h: Remove the prototype for
22224 partition_hot_cold_basic_blocks.
22226 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22228 * cppspec.c (lang_specific_spec_functions): Remove.
22229 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22230 * gcc.h (lang_specific_spec_functions): Remove.
22231 * gccspec.c (lang_specific_spec_functions): Remove.
22233 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22235 * combine.c (record_value_for_reg): Invalidate registers
22237 (record_dead_and_set_regs_1): Likewise, by passing them to
22238 record_value_for_reg.
22239 (record_dead_and_set_regs): Invalidate stores made by a
22240 call. We do not combine across a call, but we still
22241 relied on equivalences.
22243 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22245 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22246 vrp_int_const_binop returning non-constant nodes.
22248 2006-01-16 Paul Brook <paul@codesourcery.com>
22250 * config/m68k/m68k.c (output_move_const_into_data_reg):
22251 Output correct mnemonic for mvz and mvs.
22253 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22255 * rtl-factoring.c: Add sequence abstraction algorithm.
22256 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22257 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22259 (block_has_preserve_label): New function.
22260 * common.opt: Register new pass.
22261 * Makefile.in: Ditto.
22263 * timevar.def: Ditto.
22264 * tree-pass.h: Ditto.
22265 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22266 * rtl.h (make_jump_insn_raw): Add forward decl.
22267 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22269 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22270 Roger Sayle <roger@eyesopen.com>
22272 * fold-const.c (fold_minmax): New static function.
22273 (fold_binary) <MIN_EXPR>: Call it.
22274 <MAX_EXPR>: Likewise.
22275 * stor-layout.c (place_field): Use DECL_SIZE consistently
22276 in the computation of the new record size.
22278 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22280 * cse.c (cse_condition_code_reg): Make it static.
22281 * rtl.h: Remove the prototype for cse_condition_code_reg.
22283 * combine.c (combine_instructions): Make it static.
22284 * rtl.h: Remove the prototype for combine_instructions.
22286 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22289 * tree.c (get_file_function_name_long): Concatenate the first global
22290 object name with a string derived from the input filename of the object
22293 2006-01-16 Ben Elliston <bje@au.ibm.com>
22295 * config/i386/winnt-stubs.c: Update FSF address.
22296 * config/xtensa/ieee754-df.S: Ditto.
22297 * config/xtensa/ieee754-sf.S: Ditto.
22299 2006-01-14 Ian Lance Taylor <ian@airs.com>
22301 * ifcvt.c (noce_init_if_info): New static function, broken out of
22302 noce_process_if_block.
22303 (noce_process_if_block): Call noce_init_if_info.
22304 (check_cond_move_block): New static function.
22305 (cond_move_process_if_block): New static function.
22306 (process_if_block): Call cond_move_process_if_block.
22308 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22310 * cselib.c (hash_table): Rename to cselib_hash_table.
22311 (cselib_clear_table, discard_useless_values,
22312 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22313 cselib_init, cselib_finish): Adjust uses of hash_table.
22315 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22317 PR tree-optimization/25485
22318 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22319 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22320 is known to be false and true, respectively.
22322 2006-01-14 Richard Guenther <rguenther@suse.de>
22324 PR tree-optimization/22548
22325 PR tree-optimization/22555
22326 PR tree-optimization/22501
22327 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22328 * params.def (salias-max-array-elements): New parameter.
22329 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22330 * doc/invoke.texi (salias-max-array-elements): Document.
22331 * tree-flow-inline.h (var_can_have_subvars): We also handle
22333 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22335 * tree-ssa-structalias.c (params.h): Include.
22336 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22337 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22338 (get_constraint_for): For ADDR_EXPR operating on something
22339 containing an ARRAY_REF, add all subvars to the solution.
22340 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22341 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22342 for creating MUST_DEFs.
22343 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22345 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22347 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22349 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22350 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22351 number_of_iterations_le): New functions.
22352 (number_of_iterations_special): Removed.
22353 (number_of_iterations_exit): Do not use number_of_iterations_special.
22354 * tree.c (unsigned_type_for): Always return integer type.
22356 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22357 Richard Guenther <rguenther@suse.de>
22359 PR rtl-optimization/24257
22360 * gcse.c (find_moveable_store): Only consider a store movable
22361 when the SET_SRC of the insn can be assigned to a register.
22363 2006-01-14 Ian Lance Taylor <ian@airs.com>
22365 * tree.c (tree_not_class_check_failed): New function.
22366 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22367 (tree_not_class_check_failed): Declare.
22369 2006-01-13 Ian Lance Taylor <ian@airs.com>
22371 * reload1.c (do_output_reload): Add assertion rejecting a
22374 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22376 * combine.c (struct reg_stat): Add new fields truncation_label and
22378 (record_value_for_reg): Reset truncated_to_mode.
22379 (record_truncated_value): New function.
22380 (check_promoted_subreg): Call it. Rename to check_conversions.
22381 (combine_instructions): Rename check_promoted_subreg to
22383 (reg_truncated_to_mode): New function.
22384 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22385 (gen_lowpart_or_truncate): New function.
22386 (force_to_mode): Use it instead of gen_lowpart.
22388 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22390 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22391 VAR is a tag, not its type tag.
22393 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22395 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22396 alternatives to match style of other entries.
22397 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22399 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22401 PR tree-optimization/25771
22402 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22405 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22408 * tree-inline.c (declare_return_variable): If the return variable
22409 was marked as a non gimple complex, set the return slot variable
22410 to be a non gimple comple variable.
22412 2006-01-13 Richard Guenther <rguenther@suse.de>
22414 * builtins.c (expand_builtin_sincos): New function.
22415 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22417 (expand_builtin): Expand sincos using expand_builtin_sincos.
22419 2006-01-12 DJ Delorie <dj@redhat.com>
22421 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22422 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22423 so that constant shifts can be split.
22424 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22425 (m32c_valid_pointer_mode): Make static.
22426 (shift_gen_func_for): New.
22427 (m32c_prepare_shift): Use it. Split large const shifts into
22429 * config/m32c/predicates.md (shiftcount_operand): Allow more
22431 (longshiftcount_operand): New.
22432 * doc/md.texi (Machine Constraints): Document In6.
22434 2006-01-13 Ben Elliston <bje@au.ibm.com>
22436 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22437 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22440 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22442 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22443 to try to avoid clobbering pieces of structures when we know
22444 something about the whole structure.
22445 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22447 2006-01-13 Ben Elliston <bje@au.ibm.com>
22449 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22450 return in memory, as this is no limitation is no longer present.
22452 2006-01-12 DJ Delorie <dj@redhat.com>
22454 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22455 mova with fb, and for fb+0 -> An.
22457 * config/m32c/mov.md (peephole2): Fix enabling logic.
22459 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22460 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22461 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22462 FINI_ARRAY_SECTION_ASM_OP): Define.
22464 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22466 (m32c_legitimize_reload_address): New logic to reload FB to An.
22467 (m32c_output_reg_push): Add newline.
22468 (m32c_output_reg_pop): Likewise.
22470 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22472 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22474 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22476 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22478 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22480 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22483 2006-01-11 Ben Elliston <bje@au.ibm.com>
22485 * rtlanal.c (find_reg_note): Assert insn is not null.
22487 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22489 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22492 2006-01-11 Jeff Law <law@redhat.com>
22494 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22496 (mark_threaded_blocks, register_jump_thread): New functions.
22497 (thread_through_all_blocks): Remove unwanted argument. No
22498 longer rely on e->aux to communicate thread target info.
22499 Call mark_threaded_blocks. Release the threaded_blocks
22500 bitmap and threaded_edges vector when complete.
22501 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22502 (threaded_blocks): Remove.
22503 (tree_ssa_dominator_optimize): Remove initialization and
22504 finalization of threaded_blocks. Simplify call to
22505 thread_through_all_blocks.
22506 (thread_across_edge): Call register_jump_thread rather than
22507 storing thread information into e->aux.
22508 (free_all_edge_infos): Simplify now that e->aux is no longer
22509 used to communicate with thread_through_all_blocks.
22510 * tree-flow.h (thread_through_all_blocks): Update prototype.
22511 (register_jump_thread): Prototype.
22513 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22515 * df-core.c (df_compact_blocks, df_bb_replace): Use
22516 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22518 2006-01-11 Richard Guenther <rguenther@suse.de>
22520 PR tree-optimization/25734
22521 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22522 stop propagation after successful propagation to the LHS.
22524 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22526 * basic-block.h (control_flow_graph): Change the type of
22527 x_basic_block_info to VEC(basic_block,gc) *.
22528 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22530 (SET_BASIC_BLOCK): New.
22531 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22532 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22533 * cfgbuild.c (find_basic_blocks): Likewise.
22534 * cfglayout.c (fixup_reorder_chain): Likewise.
22535 * cfgrtl.c (create_basic_block_structure,
22536 rtl_create_basic_block): Likewise.
22537 * ifcvt.c (find_if_case_1): Likewise.
22538 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22541 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22543 * Makefile.in: Removed rotted odf.c entry.
22545 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22548 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22549 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22550 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22551 output pattern modifier, not %e.
22552 * config/cris/cris.c (cris_op_str): Update comment about pattern
22554 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22555 before falling through into...
22556 <case 'E'>: Redefined from old 'e' case.
22558 2006-01-11 Jan Hubicka <jh@suse.cz>
22561 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22563 2006-01-11 Jan Hubicka <jh@suse.cz>
22565 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22566 * i386.c (x86_decompose_lea): Kill.
22567 (ix86_rtx_costs): Kill.
22569 2006-01-11 Jan Hubicka <jh@suse.cz>
22571 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22572 * cgraph.h (cgraph_node): Add inline_decl.
22573 (cgraph_insert_node_to_hashtable): Declare.
22574 (save_inline_function_body): Declare.
22575 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22577 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22578 (cgraph_function_versioning): Update call of tree_function_versioning.
22579 (save_inline_function_body): New function.
22580 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22581 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22582 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22583 (cgraph_default_inline_p): Likewise.
22584 (cgraph_decide_inlining_incrementally): Likewise.
22585 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22586 (copy_bb): Kill saving; do updating of clones.
22587 (copy_cfg_body): Kill saving.
22588 (initialize_inlined-parameters): Likewise.
22589 (expand_call_inline): Likewise.
22591 (tree_function_versioning): New parameter "update_clones".
22592 (inlining_p): Kill saving.
22593 * tree-inline.h (tree_function_versioning): Update prototype.
22594 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22597 2006-01-11 Ian Lance Taylor <ian@airs.com>
22599 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22600 Allow undoing set of machine mode.
22601 (do_SUBST): Use enums instead of is_int.
22602 (do_SUBST_MODE): New function.
22603 (SUBST_MODE): New macro.
22604 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22605 reg and trying to replace reg_regno_rtx with a new register.
22606 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22607 (simplify_set): Use SUBST_MODE.
22608 (distribute_notes): Remove code that tried to update reg notes
22609 for regno_reg_rtx changes.
22611 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22613 PR tree-optimization/23109
22614 PR tree-optimization/23948
22615 PR tree-optimization/24123
22617 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22618 * tree-cfg.c (single_noncomplex_succ): New.
22619 * tree-flow.h (single_noncomplex_succ): Declare it.
22620 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22621 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22622 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22623 insert_bb, register_division_in, insert_reciprocals,
22624 replace_reciprocal, free_bb): New.
22625 (execute_cse_reciprocals_1): Rewritten.
22626 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22627 Do not commit any edge insertion. Always compute dominators and
22628 create the allocation pool.
22629 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22630 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22631 * targhooks.c (default_min_divistions_for_recip_mul): New.
22632 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22633 * passes.c (init_optimization_passes): Run recip after tree loop
22635 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22637 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22638 Kenneth Zadeck <zadeck@naturalbridge.com>
22640 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22641 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22642 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22643 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22644 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22645 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22646 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22647 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22648 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22649 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22650 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22651 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22652 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22653 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22654 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22655 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22656 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22657 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22658 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22659 DF_SCAN_POST_ALLOC): New macros.
22660 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22661 df_free_bb_function, df_local_compute_function, df_init_function,
22662 df_dataflow_function, df_confluence_function_0,
22663 df_confluence_function_n, df_transfer_function,
22664 df_finalizer_function, df_free_function, df_dump_problem_function,
22665 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22666 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22667 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22668 df_urec_bb_info, ) New types.
22669 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22671 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22672 df_analyze_simple_change_some_blocks,
22673 df_analyze_simple_change_one_block, df_compact_blocks,
22674 df_bb_replace, df_bb_regno_last_use_find,
22675 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22676 df_insn_regno_def_p, df_find_def, df_find_use,
22677 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22678 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22679 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22680 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22681 debug_df_chain, df_get_dependent_problem, df_chain_create,
22682 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22683 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22684 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22685 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22686 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22687 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22688 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22689 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22690 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22691 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22692 df_reorganize_refs, df_set_state, df_hard_reg_init,
22693 df_read_modify_subreg_p) New public functions.
22694 * df-core.c: The core dataflow solver and glue routines for rtl
22696 (df_init, df_add_problem, df_set_blocks, df_finish,
22697 df_hybrid_search_forward, df_hybrid_search_backward,
22698 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22699 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22700 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22701 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22702 df_reg_defined, df_find_use, df_reg_used, df_dump,
22703 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22704 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22705 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22706 debug_df_useno, reset_df_after_reload): New functions.
22707 * df-scan.c: The scanning fuctions, once in df.c, completely
22708 rewritten so that they now fully model the functionality of
22709 register usage at the backend.
22710 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22711 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22712 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22713 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22714 df_get_artificial_defs, df_get_artificial_uses,
22715 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22716 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22717 df_refs_delete, df_reorganize_refs, df_set_state,
22718 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22719 df_def_record_1, df_defs_record, df_uses_record,
22720 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22721 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22722 df_record_exit_block_uses, df_hard_reg_init): New functions.
22724 * df-problems.c: Seven concrete dataflow problems that use the
22725 scanning in df-scan.c and are solved by the engine in df-core.c.
22726 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22727 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22728 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22729 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22730 df_ru_free_bb_info, df_ru_alloc,
22731 df_ru_bb_local_compute_process_def,
22732 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22733 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22734 df_ru_transfer_function, df_ru_free, df_ru_dump,
22735 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22736 df_rd_free_bb_info, df_rd_alloc,
22737 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22738 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22739 df_rd_transfer_function, df_rd_free, df_rd_dump,
22740 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22741 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22742 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22743 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22744 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22745 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22746 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22747 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22748 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22749 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22750 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22751 df_urec_mark_reg_use_for_earlyclobber,
22752 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22753 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22754 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22755 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22756 df_chain_create_bb_process_use, df_chain_create_bb,
22757 df_chain_finalize, df_chain_free, df_chains_dump,
22758 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22759 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22760 df_reg_lifetime): New functions.
22761 * df.c: Deleted file.
22762 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22763 consistent with new df api.
22764 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22765 rest_of_handle_sms): Ditto.
22766 * web.c (unionfind_union, union_defs, entry_register, web_main):
22768 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22769 invariant_expr_equal_p, find_defs, check_dependencies,
22770 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22771 free_inv_motion_data, move_loop_invariants): Ditto.
22772 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22773 Update dependencies.
22774 (odf.c): Added defective entry that was deleted later in day.
22775 * sched-deps.c (sched_analyze_1): Ditto.
22777 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22779 * tree-ssa-operands.c (get_expr_operands): Record addressable
22780 variables directly. Do not call add_stmt_operands for CONST_DECLs
22782 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22783 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22785 2006-01-11 Ben Elliston <bje@au.ibm.com>
22787 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22788 function returns true in the positive case.
22790 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22793 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22794 for SI, DI, SF and DF modes. Add alternatives to copy between
22795 general and floating point registers to the 32-bit patterns.
22796 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22797 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22798 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22799 generating 64-bit code.
22800 * config/pa/pa.c (output_move_double): Handle copies between general
22801 and floating registers.
22803 2006-01-10 Stuart Hastings <stuart@apple.com>
22805 * config/i386/i386.md (set_got): Update.
22806 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22807 (builtin_setjmp_receiver): Mach-O support.
22808 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22809 (GOT_SYMBOL_NAME): Define.
22810 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22811 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22812 * config/i386/i386.c (override_options): Revise for Darwin.
22813 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22814 support. (darwin_x86_file_end): New. (output_set_got): Add label
22815 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22816 * config/i386/i386-protos.h (output_set_got): Likewise.
22817 * config/darwin.c (machopic_legitimize_pic_address): Update
22820 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22822 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22823 when MODE isn't BLKmode.
22825 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22827 PR rtl-optimization/25367
22828 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22830 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22833 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22834 for a negative bound.
22836 2006-01-10 Richard Guenther <rguenther@suse.de>
22838 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22839 Never override with anything constraint.
22841 2006-01-10 Jan Beulich <jbeulich@novell.com>
22843 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22844 256 bits when optimize_size.
22846 2006-01-10 Jan Beulich <jbeulich@novell.com>
22848 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22850 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22851 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22854 2006-01-10 Ben Elliston <bje@au.ibm.com>
22856 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22858 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22859 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22860 (USE_FP_FOR_ARG): Reject decimal float modes.
22861 (function_arg_advance): Likewise.
22862 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22863 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22864 point types in AltiVec vectors.
22865 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22866 (rs6000_libcall_value): Likewise.
22868 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22870 * config/xtensa/ieee754-df.S: New file.
22871 * config/xtensa/ieee754-sf.S: New file.
22872 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22873 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22874 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22876 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22878 * config/sh/predicates.md (binary_float_operator,
22879 binary_logical_operator, commutative_float_operator,
22880 equality_comparison_operator, greater_comparison_operator,
22881 less_comparison_operator, logical_operator,
22882 noncommutative_float_operator, shift_operator,
22883 symbol_ref_operand, unary_float_operator): Remove redundant
22886 2006-01-09 Jeff Law <law@redhat.com>
22888 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22889 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22890 now unused arguments. Callers updated.
22891 (eliminate_redundant_computations): Remove now unused arguments,
22893 (local_fold): Remove, no longer used.
22894 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22896 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22897 (simplify_cond): New function.
22898 (forward_propagate_into_cond): Call simplify_cond.
22900 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22902 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22903 (*vec_extractv2di_1_sse): New.
22905 2006-01-09 Ben Elliston <bje@au.ibm.com>
22907 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22909 2006-01-08 Richard Guenther <rguenther@suse.de>
22911 * tree-ssa-structalias.c (get_constraint_for): Remove
22912 anyoffset argument.
22913 (get_constraint_for_component_ref): Likewise.
22914 (do_deref): Likewise.
22915 (get_constraint_for): Likewise.
22916 (do_structure_copy): Likewise.
22917 (handle_ptr_arith): Likewise.
22918 (find_func_aliases): Likewise. Remove unused need_anyoffset
22921 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22922 Kaz Kojima <kkojima@gcc.gnu.org>
22924 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22925 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22926 (EXTRA_CONSTRAINT_C16): Remove.
22927 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22928 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22929 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22930 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22931 constants of SHmedia. Handle nested constant expressions of
22933 (andcosts): Fix the costs for SHmedia constants.
22934 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22935 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22936 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22937 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22938 (movv4hi_i, movv2si_i): Likewise.
22939 (movsi_const): Adjust the second operand of ior so to match with
22940 the Csu constraint.
22941 (movdi_const, movdi_const_32bit): Likewise.
22942 (movdi_const_16bit+1): Don't sign-extend LOW.
22943 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22945 (*double_shori): Fix the split condition. Use GEN_INT instead
22946 of get_int_mode calls. Mask lower 16-bit of the argument of
22948 (sym2GOTPLT): Remove.
22949 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22951 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22952 instead of EXTRA_CONSTRAINT_C16.
22954 2006-01-07 Ian Lance Taylor <ian@airs.com>
22955 David Edelsohn <edelsohn@gnu.org>
22957 PR rtl-optimization/25662
22958 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22959 for constant operands instead of simplify_gen_binary.
22960 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22961 after trying simplify_binary_operation
22963 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22965 * tree.c (iterative_hash_expr): Hash decls based on UID.
22967 2006-01-06 Eric Christopher <echristo@apple.com>
22969 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22970 (TARGET_UNWIND_EMIT): Fix spelling.
22971 * target.h (gcc_target): Add except_table_label.
22972 * except.c (output_function_exception_table): Use.
22973 * varasm.c (default_emit_except_table_label): New.
22974 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22976 (asm_out): Add here.
22977 * output.h (default_emit_except_table_label): Prototype.
22978 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22979 * config/darwin.c (darwin_emit_except_table_label): Define.
22980 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22982 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22984 PR tree-optimization/18527
22985 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22986 number_of_iterations_special, number_of_iterations_exit):
22987 Move base and step of an iv to a single structure. Add
22988 no_overflow flag, and use it in # of iterations analysis.
22989 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22990 folded_casts argument.
22991 (simple_iv): Pass base and step in a structure. Set no_overflow
22993 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22994 Evaluate expensiveness of computing # of iterations instead of
22995 the final expression.
22996 * tree-scalar-evolution.h (affine_iv): New structure.
22997 (simple_iv): Declaration changed.
22998 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22999 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23000 find_givs_in_stmt): Changed due to simple_iv change.
23002 2006-01-06 Jeff Law <law@redhat.com>
23005 * tree-cfg.c (bsi_replace): Rename final argument from
23006 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23007 change (stmt -> orig_stmt).
23008 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23009 (bsi_remove): Add new argument. Remove EH information
23011 (verify_eh_throw_table_statements): New function.
23012 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23014 * tree-optimize.c (execute_free_cfg_annotations): Verify
23015 the EH throw statement table after removing annotations.
23016 * except.h (verify_eh_throw_table_statements): Prototype.
23017 * tree-flow.h (bsi_remove): Update prototype.
23018 * tree-vrp.c (remove_range_assertions): Add new argument to
23020 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23021 * tree-complex.c (expand_complex_div_wide): Likewise.
23022 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23023 * tree-tailcall.c (eliminate_tailcall): Likewise.
23024 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23025 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23026 * tree-nrv.c (tree_nrv): Likewise.
23027 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23028 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23029 (combine_blocks): Likewise.
23030 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23031 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23032 (cleanup_control_flow): Likewise.
23033 (remove_forwarder_block): Likewise.
23034 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23035 * tree-sra.c (sra_replace): Likewise.
23036 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23037 (forward_propagate_single_use_vars): Likewise.
23038 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23039 * tree-inline.c (expand_call_inline): Likewise.
23040 * tree-vect-transform.c (vect_transform_loop): Likewise.
23041 * tree-outof-ssa.c (rewrite_trees): Likewise.
23042 * tree-cfg.c (make_goto_expr_edges): Likewise.
23043 (cleanup_dead_labels): Likewise.
23044 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23045 (bsi_move_before, bsi_move_after): Likewise.
23046 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23047 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23049 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23052 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23054 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23055 on non gimple variables. Also add checks at the top for decls and
23057 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23059 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23060 and IMAGPART_EXPR for creating MUST_DEFs.
23061 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23062 and NAME_MEMORY_TAG separately from the DECLs.
23064 2006-01-06 Richard Guenther <rguenther@suse.de>
23066 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23067 annotation, if necessary.
23068 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23069 redundant calls to update_stmt.
23070 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23073 2006-01-05 Richard Henderson <rth@redhat.com>
23075 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23077 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23079 * c-typeck.c: Update copyright date.
23081 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23083 * c-typeck.c (build_c_cast): Always warn when casting
23084 from a pointer to an integer of different size, even if
23085 the node was constant.
23087 2006-01-05 Richard Guenther <rguenther@suse.de>
23089 PR tree-optimization/22555
23090 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23091 if one structure field is an array.
23092 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23093 operands even if we found a subvar, but ignore VOPs in this
23095 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23097 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23099 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23101 PR middle-end/24998
23102 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23104 2006-01-05 Richard Guenther <rguenther@suse.de>
23105 Diego Novillo <dnovillo@redhat.com>
23107 * tree-pass.h (TODO_remove_unused_locals): Define.
23108 * gimple-low.c (expand_var_p, remove_useless_vars,
23109 pass_remove_useless_vars): Remove. Update all users.
23110 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23111 (remove_unused_locals): New function.
23112 * tree-flow.h (remove_unused_locals): Declare.
23113 * passes.c (execute_todo): Call remove_unused_locals if
23114 TODO_remove_unused_locals is set.
23115 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23116 * tree-ssa-dce.c (pass_dce): Likewise.
23117 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23119 2006-01-05 Richard Guenther <rguenther@suse.de>
23121 * tree-flow.h (struct fieldoff): Decompose field to
23122 type, size and decl.
23123 * tree-ssa-alias.c (create_sft): Take type as parameter.
23124 (create_overlap_variables_for): Store type, size and decl
23125 in the fieldoff structure.
23126 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23127 of struct fieldoff.
23128 (push_fields_onto_fieldstack): Likewise.
23129 (create_variable_info_for): Likewise. Use offset for the
23130 SFT name if the decl is not available.
23132 2006-01-04 Paul Brook <paul@codesourcery.com>
23134 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23136 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23138 * lambda-code.c (can_put_in_inner_loop): Relax
23140 (can_put_after_inner_loop): New function.
23141 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23142 (perfect_nestify): Change to make copies and modify uses.
23144 2006-01-04 Richard Henderson <rth@redhat.com>
23146 Merge from gomp branch:
23147 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23148 via integer constant.
23149 (pragma_lex): Remove.
23150 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23151 rather than parsing it.
23152 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23153 handle_pragma_extern_prefix): Add %< %> quotes.
23154 (registered_pragmas): New.
23155 (c_register_pragma_1): New.
23156 (c_register_pragma): Use it.
23157 (c_register_pragma_with_expansion): Likewise.
23158 (c_invoke_pragma_handler): New.
23159 (init_pragma): Use cpp_register_deferred_pragma directly for
23161 * c-pragma.h (enum pragma_kind): New.
23162 (pragma_handler): New.
23163 (c_invoke_pragma_handler): Declare.
23164 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23166 * c-common.h (c_common_pch_pragma): Update decl.
23167 * Makefile.in (c-parser.o): Update dependencies.
23168 (GTFILES): Add c-pragma.h.
23169 * c-parser.c (struct c_token): Add pragma_kind.
23170 (struct c_parser): Add in_pragma.
23171 (c_lex_one_token): Always initialize keyword and pragma_kind.
23172 Extract data for CPP_PRAGMA.
23173 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23174 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23175 Don't allow CPP_PRAGMA_EOL if in_pragma.
23176 (c_parser_consume_pragma): New.
23177 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23178 (c_parser_skip_to_end_of_parameter): Likewise.
23179 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23180 (c_parser_skip_to_pragma_eol): New.
23181 (c_parser_external_declaration): Handle CPP_PRAGMA.
23182 (c_parser_compound_statement_nostart): Likewise.
23183 (c_parser_statement_after_labels): Likewise.
23184 (c_parser_pragma): New.
23185 (pragma_lex): Likewise.
23186 (c_parser_pragma_pch_preprocess): New.
23187 (c_parser_new): Merge into ...
23188 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23190 2006-01-04 Jeff Law <law@redhat.com>
23193 * tree-cfg.c (bsi_replace): Remove the original statement
23194 from the EH throw statement table.
23196 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23198 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23199 make the prototype extern "C" and add throw ().
23202 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23203 and pos non-negative and pos + len <= 32.
23204 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23205 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23206 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23209 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23210 as well as sizes not multiple of component size.
23213 * function.c (instantiate_expr): New function.
23214 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23215 walk its DECL_VALUE_EXPR with instantiate_expr.
23217 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23218 DW_OP_deref{,_size} if address isn't going to be added.
23220 2006-01-04 Ben Elliston <bje@au.ibm.com>
23222 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23223 * config/fp-bit.c: Likewise.
23225 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23227 * dominance.c: Add comment about why we use DFS numbering
23230 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23231 Richard Henderson <rth@redhat.com>
23233 Merge from gomp-branch:
23234 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23235 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23237 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23239 PR rtl-optimization/25578
23240 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23241 pass a parameter to simplify_shift_const if changing ASHIFTRT
23244 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23246 * builtins.c (get_builtin_sync_mem): New function.
23247 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23248 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23249 Call get_builtin_sync_mem to generate mem rtx.
23251 2006-01-03 Richard Guenther <rguenther@suse.de>
23254 * stmt.c (add_case_node): Make sure to clear overflow flags
23257 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23259 Merge from gomp-branch.
23260 * config/sparc/sync.md: New file.
23261 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23262 UNSPECV_LDSTUB): New constants.
23263 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23264 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23265 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23268 2006-01-03 Roger Sayle <roger@eyesopen.com>
23270 * combine.c (reg_subword_p): New predicate to test whether the
23271 destination of a set refers to a subword/piece of a register.
23272 (try_combine): Generalize the code to merge the setting of a
23273 pseudo to a constant followed by a set of a subword of that
23274 register to a constant.
23276 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23278 * basic-block.h (control_flow_graph): Change the type of
23279 x_label_to_block_map to VEC(basic_block,gc) *.
23280 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23281 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23283 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23284 VEC(basic_block,heap) *.
23285 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23286 ssa_prop_fini): Adjust the uses of cfg_blocks.
23288 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23290 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23292 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23293 hashing trees instead of a pointer hash.
23294 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23295 compare for MEM_EXPR.
23297 PR rtl-optimization/25130
23298 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23299 when comparing MEMs for GCSE
23301 2006-01-03 Ben Elliston <bje@au.ibm.com>
23303 * targhooks.h (default_decimal_float_supported_p): Declare.
23304 * targhooks.c (default_decimal_float_supported_p): Define.
23305 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23306 `default_decimal_float_supported_p'.
23307 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23309 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23311 * combine.c (apply_distributive_law <SUBREG>): Check
23312 TRULY_NOOP_TRUNCATION.
23314 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23316 * dwarf2out.c (have_switched_text_section): Delete.
23317 (have_multiple_function_sections): New.
23318 (have_location_lists): Make 'bool'.
23319 (add_AT_loc_list): Use 'true' not '1'.
23320 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23321 (output_loc_list): Use have_multiple_function_sections.
23322 (output_ranges): Likewise.
23323 (dwarf2out_begin_function): Set have_multiple_function_sections if
23325 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23326 Check function_section rather than DECL_SECTION_NAME.
23327 (dwarf2out_finish): Use have_multiple_function_sections.
23328 Don't clear have_location_lists.
23330 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23331 Jan Hubicka <jh@suse.cz>
23333 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23334 case of conditional jump jumping to the next instruction.
23335 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23336 cases of conditional jump jumping to the next instruction.
23338 2006-01-02 Jan Hubicka <jh@suse.cz>
23340 * i386.c (*_cost): Add COSTS_N_INSNS.
23341 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23343 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23346 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23348 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23350 * config/arm/arm.c (all_fpus): Fix comment typo.
23351 * config/darwin.c: Likewise.
23352 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23353 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23354 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23356 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23358 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23359 (rs6000_split_compare_and_swapqhi): New.
23360 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23361 (sync_compare_and_swapqhi_internal): New.
23362 * config/rs6000/rs6000-protos.h: Declare.