1 2006-12-20 Jan Hubicka <jh@suse.cz>
3 * tree-flow-inline.h (gimple_var_anns): New function.
4 (var_ann): Use hashtable for static functions.
5 * tree-dfa.c (create_var_ann): Likewise.
6 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
7 (init_tree_ssa): Initialize var anns.
8 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
9 * tree-flow.h (struct static_var_ann_d): New structure.
10 (gimple_df): Add var_anns.
12 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
15 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
16 begin with the configured prefix.
18 2006-12-20 Jan Hubicka <jh@suse.cz>
21 * i386.c (expand_setmem_epilogue): Fix formating.
22 (dsmalest_pow2_greater_than): New function.
23 (ix86_expand_movmem): Improve comments; avoid re-computing of
25 (promote_duplicated_reg_to_size): Break out from ...
26 (expand_setmem): ... this one; reorganize promotion code;
27 improve comments; avoid recomputation of epilogue size.
29 2006-12-20 Andrew Pinski <pinskia@gmail.com>
32 * omp-low.c (init_tmp_var): New function.
33 (save_tmp_var): New function.
34 (lower_omp_1): Use them for VAR_DECL.
36 2006-12-20 Andrew Pinski <pinskia@gmail.com>
38 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
39 CONSTRUCTORs as min invariants.
41 2006-12-20 Joseph Myers <joseph@codesourcery.com>
43 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
45 (subreg_regno_offset, subreg_offset_representable_p): Change to
46 wrappers about subreg_get_info.
47 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
48 * rtl.h (subreg_nregs): Declare.
49 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
51 * caller-save.c (mark_set_regs, add_stored_regs): Use
53 * df-scan.c (df_ref_record): Use subreg_nregs.
54 * flow.c (mark_set_1): Use subreg_nregs.
55 * postreload.c (move2add_note_store): Use subreg_nregs.
56 * reload.c (decompose, refers_to_regno_for_reload_p,
57 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
58 * resource.c (update_live_status, mark_referenced_resources,
59 mark_set_resources): Use subreg_nregs.
61 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
63 * loop-unswitch.c (unswitch_loop): Update arguments of
64 duplicate_loop_to_header_edge call.
65 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
66 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
67 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
69 * cfgloopmanip.c (loop_version): Ditto.
70 (duplicate_loop_to_header_edge): Change
71 type of to_remove to VEC(edge), remove n_to_remove argument.
72 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
73 Change type of to_remove to VEC(edge), remove n_to_remove argument.
74 (tree_unroll_loop): Update arguments of
75 tree_duplicate_loop_to_header_edge call.
76 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
77 Change type of to_remove to VEC(edge), remove n_to_remove argument.
78 * cfghooks.h (struct cfg_hooks): Type of
79 cfg_hook_duplicate_loop_to_header_edge changed.
80 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
81 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
82 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
84 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
86 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
87 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
88 (vec_widen_smult_lo_v8hi): New.
89 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
90 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
91 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
93 2006-12-20 Jan Hubicka <jh@suse.cz>
95 * cgraph.c: Update overall comment; fix vertical spacing.
96 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
98 2006-12-20 Jan Hubicka <jh@suse.cz>
100 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
102 (varpool_first_static_initializer, varpol_next_static_initializer): New
104 * ipa-reference.c (analyze_variable): Simplify.
105 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
106 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
108 2006-12-19 Andrew Pinski <pinskia@gmail.com>
111 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
114 2006-12-20 Ben Elliston <bje@au.ibm.com>
116 * doc/invoke.texi (Optimize Options): Typo fix.
118 2006-12-19 Eric Christopher <echristo@apple.com>
120 * config/darwin.c (machopic_select_section): Rewrite.
121 (darwin_text_section): New.
122 (darwin_rodata_section): Ditto.
123 (darwin_mergeable_string_section): Ditto.
124 (darwin_mergeable_constant_section): Ditto.
125 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
127 2006-12-19 Steve Ellcey <sje@cup.hp.com>
129 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
131 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
134 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
135 (STAGE1_CHECKING_CFLAGS): ... this.
137 2006-12-18 Andrew Pinski <pinskia@gmail.com>
140 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
141 READONLY on __builtin_altivec_mask_for_load instead of adding
144 2006-12-18 Roger Sayle <roger@eyesopen.com>
145 Eric Christopher <echristo@apple.com>
148 * real.c (real_maxval): Correctly handle IBM extended double format.
150 2006-12-19 Jan Hubicka <jh@suse.cz>
152 * expmed.c (expand_mult_const): Force operand to constant.
153 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
154 copy_rtx to arguments.
156 2006-12-19 Ben Elliston <bje@au.ibm.com>
158 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
160 2006-12-19 Ben Elliston <bje@au.ibm.com>
162 * cse.c (cse_insn): Fix formatting.
164 2006-12-18 Geoffrey Keating <geoffk@apple.com>
166 * doc/invoke.texi (Debugging Options): Document -g0.
167 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
168 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
170 2006-12-18 Ian Lance Taylor <iant@google.com>
172 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
173 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
176 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
178 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
179 (struct vuse_optype_d): Delete.
180 (SSA_OPERAND_MEMORY_SIZE): Delete.
181 (struct ssa_operand_memory_d): Change mem array to size one.
182 (NUM_VOP_FREE_BUCKETS): Define.
183 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
184 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
185 * tree-pretty-print.c (dump_vops): Use voptype_d type.
186 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
187 which fit into a chunk of memory from a specific bucket.
188 (vop_free_bucket_index): New. Find correct size memory bucket.
189 (init_vop_buckets): New. Initialize VOP free memory buckets.
190 (add_vop_to_freelist): New. Add a VOP to the correct free list.
191 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
192 (init_ssa_operands): Initialize operand memory and free lists.
193 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
194 (ssa_operand_alloc): Use graduated size memory allocation.
195 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
196 INITIALIZE_USE): Remove.
197 (alloc_vop): New. Allocate a virtual operand.
198 (alloc_vdef, alloc_vuse): Delete.
199 (add_def_op, add_use_op): Directly setup pointers.
200 (add_vop): New. Add a virtual operand.
201 (add_vuse_op, add_vdef_op): Call add_vop.
202 (realloc_vop): New. Reallocate a virtual operand.
203 (realloc_vdef, realloc_vuse): Call realloc_vop.
204 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
205 (finalize_ssa_defs): Optimize for common case, remove code based on
206 sorted pointers which was a waste of time.
207 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
208 (finalize_ssa_uses): Update last pointer.
209 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
210 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
211 directly manipulate pointers.
212 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
214 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
216 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
217 determine if memory operand is an indexed address or not.
219 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
221 * cselib.c (struct cselib_val_struct): Make val_rtx its
222 own field, remove the union that contained it.
223 * cselib.c: Update accordingly where necessary.
225 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
227 * cse.c (have_eh_succ_edges): New function.
228 (cse_insn): Don't remove dead EH edges here
229 (cse_extended_basic_block): Do it here.
230 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
231 that we have removed all dead edges.
233 2006-12-17 Matthias Klose <doko@debian.org>
236 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
238 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
240 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
241 (cse_extended_basic_block): When truncating a path while processing
242 it, make sure to clear the visited bit on the basic blocks in the
243 truncated part of the path.
244 (cse_main): Use reverse completion order, not DFS order, to walk
246 (gate_handle_cse): Revert erroneous commit of a counter.
248 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
250 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
251 variables, moved out from cse_insn.
252 (prev_insn): Remove this global variable).
253 (new_basic_block): Don't set it.
254 (cse_insn): Idem. Also, move code to delete unused CC0-setter
255 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
257 (cse_extended_basic_block): ...to here. Do not clear
258 prev_insn_cc0 until after recording equivalences from jumps.
260 2006-12-16 Jan Hubicka <jh@suse.cz>
262 * cgraphunit.c (ipa_passes): Clear current_function_decl.
264 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
266 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
268 2006-12-16 Jan Hubicka <jh@suse.cz>
270 * omp-low.c (expand_omp_parallel): Set function properties.
271 * function.h (struct function): Add curr_properties and last_verified.
272 * passes.c (register_dump_files): Do not set TODO_set_props for the
274 (init_optimization_passes): Set it here; reorder initialization so the
275 dump files appear in more logical order.
276 (last_verified, curr_properties): Kill.
277 (do_per_function): New function.
278 (execute_function_todo): Break out from ...
279 (execute_todo): ... here; handle per-function flags.
280 (clear_last_verified, verify_curr_properties,
281 update_properties_after_pass): New functions.
282 (execute_one_pass): Handle per-function properties.
283 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
284 and current_function_decls are cleared out.
285 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
288 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
291 * c.opt (Wempty-body): New.
292 * doc/invoke.texi (Wempty-body): Document it.
293 (Wextra): Enabled by -Wextra.
294 * c-opts.c (c_common_post_options): Enabled by -Wextra.
295 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
296 * c-parser.c (c_parser_c99_block_statement): Likewise.
298 2006-12-15 Jakub Jelinek <jakub@redhat.com>
301 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
304 2006-12-15 Andrew Pinski <pinski@gmail.com>
307 * tree-inline.c (setup_one_parameter): Gimplify the statement if
308 the variable is not a gimple register variable.
310 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
312 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
314 2006-12-14 Jan Hubicka <jh@suse.cz>
316 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
319 2006-12-14 Richard Guenther <rguenther@suse.de>
321 PR tree-optimization/30197
322 * builtins.c (fold_builtin_cexp): New function to fold cexp
323 to cexpi and exp parts.
324 * tree-ssa-pre.c (try_combine_conversion): Also handle
325 REALPART_EXPR and IMAGPART_EXPR.
327 2006-12-14 Richard Guenther <rguenther@suse.de>
330 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
331 + __complex__ ( 0, y ) to __complex__ ( x, y ).
332 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
334 2006-12-14 Richard Guenther <rguenther@suse.de>
336 PR tree-optimization/30198
337 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
338 Fold IMAGPART_EXPR of cexpi to sin.
340 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
341 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
343 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
344 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
346 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
347 (spu_builtin_mask_for_load): New.
348 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
349 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
350 (vec_realign_load_<mode>, spu_lvsr): New.
352 2006-12-13 Ian Lance Taylor <iant@google.com>
356 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
357 to warn_about_parentheses in c-common.c.
358 * c-common.c (warn_about_parentheses): New function.
359 * c-common.h (warn_about_parentheses): Declare.
360 * doc/invoke.texi (Warning Options): Update -Wparentheses
363 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
365 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
367 (constant_multiple_of): Fix order of operators for division.
368 (aff_combination_const, aff_combination_elt, aff_combination_scale,
369 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
370 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
371 aff_combination_to_tree): Moved to tree-affine.c and made to work with
372 double_int coefficients.
373 (get_computation_aff, get_computation_at): Work with double_int
375 (get_computation_cost_at): Do not use divide.
376 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
377 Assert that expressing the computation did not fail.
378 * tree-ssa-address.c: Include tree-affine.h.
379 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
380 create_mem_ref): Work with double_int coefficients.
381 * tree-affine.c: New file.
382 * tree-affine.h: New file.
383 * tree-flow.h (struct affine_tree_combination): Removed.
384 * Makefile.in (tree-affine.o): Add.
385 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
388 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
392 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
393 the offset == 0 "then" clauses.
394 * config/rs6000/predicates.md (gpc_reg_operand): Check for
397 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
399 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
400 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
401 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
402 (FRAME_POINTER_REGNUM): Update register number to 20.
403 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
404 (HI_REGISTER_NAMES): Remove "dirflag".
406 * config/i386/i386.c (regclass_map): Remove dirflag entry.
407 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
409 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
411 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
412 (sse_prologue_save, *sse_prologue_save_insn): Renumber
413 hardcoded SSE register numbers.
415 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
416 hardcoded MMX register numbers.
419 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
421 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
422 FLDMX. Rename function to...
423 (vfp_output_fldmd): ...this.
424 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
426 (vfp_output_fstmd): ...this.
427 (vfp_emit_fstmx): Don't leave space in the frame layout for the
428 FSTMX format word. Rename function to...
429 (vfp_emit_fstmd): ...this.
430 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
432 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
433 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
434 word. Also emit "vsave" assembler directives in such cases rather
436 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
437 gnu_Unwind_Save_VFP): Adjust comments.
438 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
439 for saving and restoring using FSTMD and FLDMD rather than
441 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
442 New functions for saving and restoring the VFPv3 registers 16 .. 31.
443 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
444 compilation case to correctly handle unwind opcode 0xc8 when using
446 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
447 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
448 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
449 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
451 (restore_non_core_regs): Restore registers using FLDMD rather than
452 FLDMX if required. Also handle restoration of VFPv3 registers.
453 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
454 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
455 including cases where the caller specifies a range of registers
456 that overlaps the d15/d16 boundary.
458 2006-12-13 Diego Novillo <dnovillo@redhat.com>
461 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
462 accomodate 511 operands.
464 2006-12-13 Richard Guenther <rguenther@suse.de>
466 * builtins.c (expand_builtin_cexpi): Fix typo.
468 2006-12-13 Jan Hubicka <jh@suse.cz>
470 * Makefile.in: Add dependencies.
471 * tree-pretty-print.c: Include value-prof.h
472 (dump_generic_bb_buff): Dump histograms
473 * value-prof.c: Include pointer-set.h
474 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
475 set_histogram_value, gimple_histogram_value,
476 gimple_add_histogram_value, gimple_remove_histogram_value,
477 gimple_histogram_value_of_type, dump_histogram_value,
478 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
479 gimple_duplicate_stmt_histograms, visit_hist,
480 verify_histograms): New functions.
481 (tree_value_profile_transformations): Update for new histogram API.
482 (tree_divmod_fixed_value): Update for new histogram API.
483 (tree_divmod_fixed_value_transform): Update for new histogram API.
484 (tree_mod_pow2): Update for new histogram API.
485 (tree_mod_pow2_value_transform): Update for new histogram API.
486 (tree_mod_subtract): Update for new histogram API.
487 (tree_mod_subtract_transform): Update for new histogram API.
488 (tree_stringops_transform): Update for new histogram API.
489 (tree_divmod_values_to_profile): Update for new histogram API.
490 (tree_stringops_values_to_profile): Update for new histogram API.
491 (tree_find_values_to_profile): Update for new histogram API.
492 * value-prof.h (gimple_histogram_value): Declare.
493 (gimple_histogram_value_of_type): Declare.
494 (gimple_add_histogram_value): Declare.
495 (gimple_remove_histogram_value): Declare.
496 (dump_histograms_for_stmt): Declare.
497 (gimple_remove_histogram_value): Declare.
498 (gimple_remove_stmt_histograms): Declare.
499 (gimple_duplicate_stmt_histograms): Declare.
500 (verify_histograms): Declare.
502 (struct funrction): Add value_histograms hash.
503 (VALUE_HISTOGRAMS): New macro.
504 * profile.c (compute_value_histograms): update for new API.
505 * tree-inline.c: Include value-prof.h
506 (copy_bb): Update histograms.
507 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
508 reorder to get smaller memory layout.
509 * tree-cfg.c: Include value-prof.h
510 (bsi_remove): Update histograms.
511 (bsi_replace): Update histograms.
512 (verify_stmts): Call histogram verifier.
513 (tree_duplicate_bb): Update histograms.
514 (move_block_to_fn): Update histograms.
516 2006-12-13 Richard Guenther <rguenther@suse.de>
518 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
520 (cgraph_decide_inlining): Likewise.
522 2006-12-13 Richard Guenther <rguenther@suse.de>
524 PR tree-optimization/17687
525 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
526 New builtins for imaginary argument cexp.
527 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
528 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
529 New required builtin types.
530 * builtins.c (expand_builtin_cexpi): Declare.
531 (mathfn_built_in): Handle BUILT_IN_CEXPI.
532 (expand_builtin_cexpi): New static helper.
533 (expand_builtin): Call it.
534 (do_mpfr_sincos): Adjust for CEXPI evaluation.
535 (fold_builtin_sincos): New function to fold sincos to cepxi.
537 2006-12-13 Richard Guenther <rguenther@suse.de>
539 * ipa-reference.c (scan_for_static_refs): Also scan
540 tcc_comparison class trees.
542 2006-12-12 David Daney <ddaney@avtrex.com>
544 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
547 2006-12-12 Andrew Pinski <pinskia@gmail.com>
549 * tree-vect-transform.c (vect_permute_load_chain):
550 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
553 2006-12-13 Sa Liu <saliu@de.ibm.com>
554 Ben Elliston <bje@au.ibm.com>
556 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
557 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
558 * config/spu/spu-protos.h (spu_c_common_override_options):
560 * config/spu/spu-c.c (spu_c_common_override_options): New.
561 * config/spu/spu.c (spu_override_options): Whitespace fix.
563 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
565 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
567 2006-12-12 Geoffrey Keating <geoffk@apple.com>
569 * mips-tdump.c: Replace CROSS_COMPILE with
570 CROSS_DIRECTORY_STRUCTURE.
571 * mips-tfile.c: Likewise.
573 * configure.ac: Likewise.
574 * cppdefault.c: Likewise.
575 * Makefile.in: Likewise.
576 * config/alpha/osf.h: Likewise.
577 * config/i386/cygwin.h: Likewise.
578 * config/i386/beos-elf.h: Likewise.
579 * config/i386/nto.h: Likewise.
580 * config/fr30/fr30.h: Likewise.
581 * config/svr4.h: Likewise.
582 * config/rs6000/aix.h: Likewise.
583 * config/rs6000/sysv4.h: Likewise.
584 * config/pa/pa64-hpux.h: Likewise.
585 * config/pa/pa-hpux10.h: Likewise.
586 * config/pa/pa-hpux11.h: Likewise.
587 * collect2.c: Likewise.
588 * configure: Regenerate.
590 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
591 actually takes an unsigned HOST_WIDE_INT for its second parameter.
593 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
595 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
596 (spu_encode_section_info): New.
597 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
598 (SYMBOL_FLAG_ALIGN1): New.
600 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
603 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
604 bitmap for EXECUTE_IF_SET_IN_BITMAP.
606 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
609 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
610 (DECL_GIMPLE_REG_P): This.
611 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
613 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
614 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
615 and check for VECTOR_TYPE.
616 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
618 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
620 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
621 and check for VECTOR_TYPE.
622 (gimplify_bind_expr): Likewise.
623 (gimplify_function_tree): Likewise.
624 * expmed.c: Include target.h.
625 (extract_bit_field): For vector mode, try find a better mode first.
626 If that fails use gen_lowpart (for vectors only).
627 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
628 and check for VECTOR_TYPE.
629 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
630 (insert_into_preds_of_block): Likewise.
631 (insert_fake_stores): Create gimple register store_tmps for
633 * tree-sra.c (sra_elt): New field, is_vector_lhs.
634 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
635 are the left hand side, set the element's is_vector_lhs to true.
636 (instantiate_element): For vector types which were on the left
637 hand size, set DECL_GIMPLE_REG_P to false.
638 * tree-nested.c (create_tmp_var_for): Use the renamed
640 * tree-inline.c (declare_return_variable): Use the renamed
641 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
642 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
643 (copy_result_decl_to_var): Likewise.
644 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
645 create a gimple register variable.
646 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
647 vect_inter_* temp variables.
648 * Makefile.in (expmed.o): Update dependencies.
650 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
652 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
653 the offset == 0 "then" clauses.
654 * config/rs6000/predicates.md (gpc_reg_operand): Check for
657 2006-12-12 Marcin Dalecki <martin@dalecki.de>
659 * doc/passes.texi: remove docs about "redundant PHI removal".
660 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
661 remove redundant pass_partition_blocks declaration.
663 2006-12-12 Andrew Macleod <amacleod@redhat.com>
665 PR tree-optimization/30159
666 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
667 functions in case a default_def coalesce is required.
669 2006-12-12 Jakub Jelinek <jakub@redhat.com>
672 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
674 * config/ia64/linux.h (CPP_SPEC): Define.
675 * config/s390/linux.h (CPP_SPEC): Define.
677 2006-12-12 Jim Wilson <wilson@specifix.com>
678 Jakub Jelinek <jakub@redhat.com>
680 PR rtl-optimization/27761
681 * combine.c (try_combine): Don't create a useless garbage SET
682 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
683 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
684 and use it to prevent accidental modification of i1src.
686 2006-12-12 Ira Rosen <irar@il.ibm.com>
688 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
689 for stores with gaps.
690 * tree-vect-transform.c (vect_permute_store_chain): Create
691 interleave_high or interleave_low according to the endianess.
693 2006-12-12 Richard Guenther <rguenther@suse.de>
696 * fold-const.c (fold_read_from_constant_string): Only fold read
697 from constant string if the result type is integer.
699 2006-12-12 Olivier Hainque <hainque@adacore.com>
701 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
703 2006-12-12 Olivier Hainque <hainque@adacore.com>
705 * config/vxlib.c: Extract tls related routines into ...
706 * config/vxlib-tls.c: New file.
707 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
709 2006-12-12 Sa Liu <saliu@de.ibm.com>
710 Ben Elliston <bje@au.ibm.com>
712 * config/spu/spu.opt (mfixed-range): New option.
713 * config/spu/spu.h (spu_fixed_range_string): Declare.
714 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
715 (fix_range): New function.
716 * doc/invoke.texi (SPU Options): Document -mfixed-range.
717 * testsuite/gcc.target/spu/fixed-range.c: New.
718 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
720 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
724 * cgraphunit.c (cgraph_optimize): Remove call to
725 process_pending_assemble_externals.
727 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
729 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
731 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
732 (ia64_hpux_add_extern_decl): Removed.
733 (ia64_hpux_file_end): Likewise.
734 (extern_func_list): Likewise.
735 (extern_func_head): Likewise.
737 * output.h (assemble_external): Update comments.
738 (default_elf_asm_output_external): New.
739 (maybe_assemble_visibility): New.
741 * toplev.c (compile_file): Update comment.
743 * varasm.c (assemble_external): Always put it on
744 pending_assemble_externals.
745 (maybe_assemble_visibility): Make it extern and return int.
746 (default_elf_asm_output_external): New.
748 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
750 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
751 can't handle the pointer arithmetic.
753 2006-12-11 Diego Novillo <dnovillo@redhat.com>
755 * doc/tree-ssa.texi: Update documentation for virtual operands
756 and the use of push_stmt_changes/pop_stmt_changes.
757 * doc/invoke.texi: Remove documentation for params
758 global-var-threshold.
759 Update documentation on max-aliased-vops.
761 * tree-into-ssa.c: Cleanup comments, variables and
762 spacing in various functions.
763 (regs_to_rename): Declare.
764 (mem_syms_to_rename): Declare.
765 (dump_update_ssa): Declare.
766 (debug_update_ssa): Declare.
767 (dump_names_replaced_by): Declare.
768 (debug_names_replaced_by): Declare.
769 (dump_def_blocks): Declare.
770 (debug_def_blocks): Declare.
771 (dump_defs_stack): Declare.
772 (debug_defs_stack): Declare.
773 (dump_currdefs): Declare.
774 (debug_currdefs): Declare.
775 (mark_def_sites): Do not handle virtual operands.
776 (compute_idf): Rename from find_idf. Update users.
777 (register_new_def): Make local. Convert second argument
779 Use BLOCK_DEFS_STACK directly.
780 If pushing a non-register, also push the underlying
782 (rewrite_stmt): Do not handle virtual operands.
783 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
784 dump_currdefs and dump_tree_ssa_stats.
785 (dump_tree_ssa_stats): Also dump REPL_TBL.
786 (replace_use): Remove. Update all users to call SET_USE
788 (rewrite_blocks): Move code to free memory to
790 (mark_def_site_blocks): Move initialization code to
792 (init_ssa_renamer): New.
793 (fini_ssa_renamer): New.
794 (rewrite_into_ssa): Call them.
795 (prepare_block_for_update): Process SSA_OP_ALL_USES first
796 and SSA_OP_ALL_DEFS later. Do not process virtual
798 (dump_update_ssa): Call dump_decl_set.
799 (init_update_ssa): Initialize regs_to_rename and
801 Call init_ssa_renamer.
802 (delete_update_ssa): Call fini_ssa_renamer.
803 Free blocks_with_phis_to_rewrite.
804 (mark_sym_for_renaming): If the variable has
805 sub-variables, also mark them.
806 If the variable belongs to a partition, also mark it.
807 (mark_set_for_renaming): Call mark_sym_for_renaming on
808 every symbol in the set.
809 (switch_virtuals_to_full_rewrite): Call
810 mark_set_for_renaming.
811 (update_ssa): Separate syms_to_rename into regs_to_rename
812 and mem_syms_to_rename.
814 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
815 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
816 (debug_generic_stmt): Likewise.
817 (debug_tree_chain): Likewise.
819 (dump_generic_node): Check for TDF_MEMSYMS.
820 Handle MEMORY_PARTITION_TAG.
821 If the statement references memory and TDF_MEMSYMS is
822 given, call dump_symbols.
823 Indicate default names with (D).
824 (dump_vops): Update for new virtual operator format.
826 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
827 tree_contains_struct.
828 (tree_code_size): Handle MEMORY_PARTITION_TAG.
829 (tree_node_structure): Likewise.
830 (needs_to_live_in_memory): Handle SSA names.
831 * tree.h (MTAG_P): Likewise.
832 (struct tree_memory_partition_tag): Declare.
833 (MPT_SYMBOLS): Define.
834 (union tree_node): Add field 'mpt'.
835 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
836 * tree.def (MEMORY_PARTITION_TAG): Define.
838 * tree-pass.h (TDF_MEMSYMS): Define.
840 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
842 * tree-ssa-alias.c: Include pointer-set.h
843 (struct alias_map_d): Remove fields total_alias_vops,
844 grouped_p and may_aliases. Update all users.
845 (struct mp_info_def): Declare.
846 (mp_info_t): New type.
847 (get_smt_for): Rename from get_tmt_for. Update all
849 (add_may_alias): Add argument ALREADY_ADDED. If given,
850 use it to avoid adding duplicate entries to alias sets.
851 (replace_may_alias): Remove. Update all users.
852 (total_alias_vops_cmp): Remove. Update all users.
853 (group_aliases_into): Remove. Update all users.
854 (tree_pointer_compare): Remove. Update all users.
855 (compact_name_tags): Remove. Update all users.
856 (group_aliases): Remove. Update all users.
857 (mark_non_addressable): Move from tree-flow-inline.h.
858 Remove the symbol from the partition holding it, if
861 (debug_mp_info): New.
863 (create_partition_for): New.
864 (rewrite_alias_set_for): New.
865 (compute_memory_partitions): New.
866 (compute_may_aliases): Call it.
867 (init_alias_info): If computing aliases for the first
868 time, mark every memory symbol for renaming.
869 (have_common_aliases_p): New.
870 (compute_flow_insensitive_aliasing): Call it.
871 (setup_pointers_and_addressables): Do not cache
873 For register promoted symbols, mark their former
874 partition for renaming.
875 (maybe_create_global_var): Only create .GLOBAL_VAR if
876 there are no call-clobbered variables and a mix of pure
877 and non-pure functions were found.
878 (may_alias_p): Tidy comments.
879 (create_tag_raw): Remove unused variable new_type.
880 (dump_alias_info): call dump_memory_partitions.
881 (dump_points_to_info_for): Call dump_decl_set.
882 (may_be_aliased): Tidy comments and formatting.
884 * timevar.def (TV_MEMORY_PARTITIONING): Define.
885 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
886 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
888 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
889 * tree-vect-transform.c (vect_transform_loop): Call
890 mark_set_for_renaming with vect_memsyms_to_rename.
891 * tree-flow-inline.h (zero_imm_uses_p): New.
892 (memory_partition): New.
893 (set_memory_partition): New.
894 (factoring_name_p): New.
895 (symbol_mem_tag): New. Update every function that used
896 to access the annotation directly.
897 (set_symbol_mem_tag): Likewise.
899 * tree-ssa-copy.c (may_propagate_copy): Allow copies
900 between a partition and a symbol as long as the symbol
901 belongs to the partition.
902 (merge_alias_info): Ignore merge requests when memory
903 partitions are involved.
905 * tree-ssa.c (verify_ssa_name): Check that default
906 definitions have empty defining statements.
907 (verify_use): Remove argument IS_VIRTUAL.
908 Don't call verify_ssa_name.
909 (verify_phi_args): Call verify_ssa_name.
910 (verify_flow_insensitive_alias_info): Handle MPTs.
911 (verify_flow_sensitive_alias_info): Likewise.
912 (verify_name_tags): Likewise.
913 (verify_call_clobbering): Likewise.
914 (verify_ssa): Check for VOPs only after aliasing
915 information is available.
916 Check virtuals and real operands separately.
917 Call verify_ssa_name on every operand.
918 (stmt_references_memory_p): Move to tree-ssa-operands.c.
919 (walk_use_def_chains_1): Guard against NULL PHI
922 * tree-ssa-operands.c (stmt_references_memory_p): Move from
925 (dump_memory_partitions): New.
926 (debug_memory_partitions): New.
928 * tree-flow.h (struct var_ann_d): Add field mpt.
929 (struct stmt_ann_d): Add bitfield references_memory.
930 * Makefile.in (tree-ssa-structalias.o): Include
932 (tree-ssa-alias.o): Likewise.
933 * tree-ssa-structalias.c: (update_alias_info): Use
934 STORED_SYMS to determine which variables are being
935 written to by the store operation.
936 * tree-ssa-structalias.h (struct alias_info)
937 <total_alias_vops>: Remove. Update all users.
938 <written_vars>: Change to a pointer set. Update all
940 <dereferenced_ptrs_store>: Likewise.
941 <dereferenced_ptrs_load>: Likewise.
942 (NUM_REFERENCES): Remove. Update all users.
943 (NUM_REFERENCES_CLEAR): Remove. Update all users.
944 (NUM_REFERENCES_INC): Remove. Update all users.
945 (NUM_REFERENCES_SET): Remove. Update all users.
947 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
949 (PARAM_MAX_ALIASED_VOPS): Set to 10.
950 * tree-ssanames.c (make_ssa_name): Initialize
951 SSA_NAME_IS_DEFAULT_DEF to 0.
953 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
955 * tree-ssa-dse.c (aggregate_vardecl_d): New.
956 (dse_global_data): Add aggregate_vardecl field.
957 (dse_possible_dead_store_p): New.
958 Add prev_defvar variable.
959 Allow immediate uses and previous immediate uses to differ
960 if they are setting different parts of the whole.
961 (get_aggregate_vardecl): New.
962 (dse_record_partial_aggregate_store): New.
963 (dse_whole_aggregate_clobbered_p): New.
964 (dse_partial_kill_p): New.
965 (dse_optimize_stmt): Abstract code checking a possible dead store
966 into new function dse_possible_dead_store_p().
967 Call dse_maybe_record_aggregate_store().
968 When checking whether a STMT and its USE_STMT refer to the
969 same memory address, check also for partial kills that clobber
971 Move some variable definitions to the block where they are used.
972 (aggregate_vardecl_hash): New.
973 (aggregate_vardecl_eq): New.
974 (aggregate_vardecl_free): New.
975 (aggregate_whole_store_p): New.
976 (tree_ssa_dse): Initialize and free aggregate_vardecl.
977 Mark which aggregate stores we care about.
979 2006-12-11 Andrew Macleod <amacleod@redhat.com>
981 * tree-ssa-operands.h (struct vuse_element_d): Declare.
982 (vuse_element_t): Declare.
983 (struct vuse_vec_d): Declare.
984 (vuse_vec_p): Declare.
985 (VUSE_VECT_NUM_ELEM): Define.
986 (VUSE_VECT_ELEMENT_NC): Define.
987 (VUSE_ELEMENT_PTR_NC): Define.
988 (VUSE_ELEMENT_VAR_NC): Define.
989 (VUSE_VECT_ELEMENT): Define.
990 (VUSE_ELEMENT_PTR): Define.
991 (VUSE_ELEMENT_VAR): Define.
992 (struct maydef_optype_d) <use_var>: Remove.
995 (struct vuse_optype_d) <kill_var>: Remove.
998 (struct mustdef_optype_d) <kill_var>: Remove.
1001 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1002 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1004 (VUSE_VECT): Define.
1005 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1006 (MAYDEF_OP): Add argument. Use VUSE_OP.
1007 (MAYDEF_NUM): Define.
1008 (MAYDEF_VECT): Define.
1009 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1010 (MUSTDEF_KILL): Use VUSE_OP.
1011 (MUSTDEF_NUM): Define.
1012 (MUSTDEF_VECT): Define.
1013 (realloc_maydef): Declare.
1014 (realloc_vuse): Declare.
1015 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1016 <mayuse_index>: Add.
1017 (LOADED_SYMS): Define.
1018 (STORED_SYMS): Define.
1019 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1020 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1022 * tree-pretty-print.c: Likewise.
1023 * tree-ssa-dse.c: Likewise.
1024 * tree-flow-inline.h: Likewise.
1025 (op_iter_next_mustdef): New.
1026 * tree-ssa-operands.c: Likewise.
1027 (ALLOC_OPTYPE): Remove.
1031 (alloc_maydef): New.
1033 (alloc_mustdef): New.
1034 (realloc_maydef): New.
1035 (realloc_vuse): New.
1037 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1039 * tree-ssa-operands.c: Remove build_v_must_defs.
1040 (init_ssa_operands): Delete build_v_must_defs.
1041 (finalize_ssa_v_must_def_ops): Remove.
1042 (finalize_ssa_v_must_defs): Remove.
1043 (finalize_ssa_stmt_operands): Do not call
1044 finalize_ssa_v_must_defs.
1045 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1046 (append_v_must_def): Delete.
1047 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1048 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1049 comment. Remove opf_kill_def.
1050 (build_ssa_operands): Remove references to v_must_defs.
1051 (copy_virtual_operands): Same.
1052 (copy_virtual_operands): Same.
1053 (fini_ssa_operands): Same.
1054 (free_ssa_operands): Same.
1055 (add_mustdef_op): Remove.
1056 Remove mustdef_optype_p.
1057 (alloc_mustdef): Remove.
1058 Remove references to V_MUST_DEFs in comment at top of file.
1059 (get_expr_operands): Remove opf_kill_def.
1060 (opf_kill_def): Remove.
1061 (add_virtual_operand): Remove opf_kill_def.
1062 (get_indirect_ref_operands): Same.
1063 (get_tmr_operands): Same.
1065 * tree-vectorizer.c (rename_variables_in_bb): Remove
1068 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1070 (check_loop_closed_ssa_stmt): Same.
1072 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1074 (verify_ssa): Remove V_MUST_DEFs traces.
1075 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1077 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1079 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1080 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1082 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1084 (MUSTDEF_OPS): Remove.
1085 (SSA_OP_VMUSTDEF): Remove.
1086 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1087 (struct mustdef_optype_d): Remove.
1088 Remove mustdef_optype_p.
1089 (struct stmt_operands_d): Remove mustdef_ops.
1090 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1091 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1092 (MUSTDEF_RESULT_PTR): Remove.
1093 (MUSTDEF_RESULT): Remove.
1094 (MUSTDEF_KILL_PTR): Remove.
1095 (MUSTDEF_KILL): Remove.
1096 (MUSTDEF_NUM): Remove.
1097 (MUSTDEF_VECT): Remove.
1098 (SSA_OP_VIRTUAL_KILLS): Remove.
1099 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1100 (SSA_OP_VMUSTKILL): Remove.
1101 (SSA_OP_ALL_KILLS): Remove.
1102 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1104 * tree-flow-inline.h (op_iter_init_def): Remove
1105 SSA_OP_VIRTUAL_KILLS.
1106 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1108 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1109 SSA_OP_VIRTUAL_KILLS.
1111 * tree-ssa-loop-im.c (determine_max_movement): Remove
1112 SSA_OP_VIRTUAL_KILLS.
1113 (gather_mem_refs_stmt): Same.
1114 (gather_mem_refs_stmt): Same.
1116 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1117 (perform_tree_ssa_dce): Remove call to
1118 mark_really_necessary_kill_operand_phis.
1120 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1122 (op_iter_next_use): Do not check mustkills.
1123 (op_iter_next_def): Do not check mustdefs.
1124 (op_iter_next_tree): Do not check mustkills or mustdefs.
1125 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1126 (op_iter_next_maymustdef): Do not check mustkills.
1127 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1128 (op_iter_init_mustdef): Remove.
1130 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1133 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1135 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1136 (visit_assignment): Same.
1138 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1140 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1142 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1144 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1145 Remove kill_p variable.
1147 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1148 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1149 (collect_dfa_stats_r): Do not set num_v_must_defs.
1150 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1153 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1156 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1157 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1159 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1162 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1164 PR rtl-optimization/30113
1165 * loop-iv.c (implies_p): Require the mode of the operands to be
1168 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1170 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1171 Rename from create_ssa_artficial_load_stmt. Update all users.
1172 * tree-into-ssa.c (register_new_def): Make static.
1173 * tree.c (is_global_var): Handle SSA_NAMEs.
1174 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1175 that used to call gimple_default_def.
1176 * tree-ssa-operands.c (push_stmt_changes): New.
1177 (pop_stmt_changes): New. Update every pass that modifies
1178 statements to bracket modifications with
1179 push_stmt_changes/pop_stmt_changes.
1180 (discard_stmt_changes): New.
1181 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1182 'tree *' instead of 'tree'. Update all users.
1183 * tree-flow-inline.h (zero_imm_uses_p): New.
1184 (symbol_mem_tag): New. Update every function that used
1185 to access the annotation directly.
1186 (set_symbol_mem_tag): Likewise.
1187 * tree-dfa.c (dump_variable): Always show the escape mask.
1188 (mark_symbols_for_renaming): Rename from
1189 mark_new_vars_to_rename. Update all users.
1190 Only mark to rename naked symbols in real and virtual
1193 2006-12-11 Andreas Schwab <schwab@suse.de>
1195 * varasm.c (elf_record_gcc_switches): Cast second argument of
1196 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1198 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1200 * tree-scalar-evolution.c (scev_const_prop):
1201 * tree-phinodes.c (remove_phi_node): Add argument
1202 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1205 * tree-ssa-dce.c: Remove forward declarations for static
1206 functions. Re-arrange functions bodies as needed.
1207 (find_obviously_necessary_stmts): Never mark PHI nodes as
1208 obviously necessary.
1210 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1212 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1214 2006-12-11 Jan Hubicka <jh@suse.cz>
1216 * value-prof.c (tree_stringops_transform): New.
1217 (tree_value_profile_transformations): Require count to be non-zero;
1218 call stringop transform; reset stmt BSI after BB changed.
1219 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1220 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1221 (tree_stringops_values_to_profile): New.
1222 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1223 * tree.h (build_string_literal): Tidy prototype.
1224 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1226 * builtins.c (validate_arglist, builtin_memset_read_str,
1227 get_pointer_alignment): Export.
1229 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1233 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1235 * config/i386/i386.opt: New target option -mx87regparm.
1237 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1238 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1239 (X87_REGPARM_MAX): Define.
1241 * config/i386/i386.c (override_options): Error out for
1242 -mx87regparm but no 80387 support.
1243 (ix86_attribute_table): Add x87regparm.
1244 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1245 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1246 (ix86_function_x87regparm): New function.
1247 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1249 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1251 (function_arg_advance): Process x87_nregs and x87_regno when
1252 floating point argument is to be passed in 80387 register.
1253 (function_arg): Pass XFmode arguments in 80387 registers for local
1254 functions. Pass SFmode and DFmode arguments to local functions
1255 in 80387 registers when flag_unsafe_math_optimizations is set.
1257 * reg-stack.c (convert_regs_entry): Disable NaN load for
1258 stack registers that are used for argument passing.
1260 * doc/extend.texi: Document x87regparm function attribute.
1261 * doc/invoke.texi: Document -mx87regparm.
1263 2006-12-11 Jan Hubicka <jh@suse.cz>
1265 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1266 * cgraph.c: Update comments.
1267 (cgraph_varpool_hash,
1268 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1269 cgraph_varpool_node_name, cgraph_varpool_node,
1270 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1271 cgraph_variable_initializer_availability): Move to
1272 varpool.c and drop cgraph_ prefixes.
1273 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1274 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1275 move to varpool.c; drop cgraph_ prefix; make static.
1276 (dump_cgraph_varpool_node): Move to varpool.c under name
1278 (dump_varpool, hash_varpool_node, eq_varpool_node,
1279 decide_is_variable_needed): Move to varpool.c
1280 (decl_assembler_name_equal): Move to tree.c.
1281 (availability_names): Rename to ...
1282 (cgraph_availability_names): ... this one.
1283 (dump_cgraph_node): Update.
1284 * cgraph.h: Reorder declarations now in varpool.c
1285 (cgraph_vailablity_names): Declare.
1286 (struct cgraph_varpool_node): Rename to ...
1287 (struct varpool_node): ... this one.
1288 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1289 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1290 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1291 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1292 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1293 cgraph_variable_initializer_availability): Rename to ...
1294 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1295 varpool_first_unanalyzed_node, varpool_node,
1296 varpool_node_for_asm, varpool_mark_needed_node,
1297 varpool_finalize_decl, varpool_enqueue_needed_node,
1298 varpool_assemble_pending_decls, variable_initializer_availability):
1300 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1301 * tree.h (decl_assembler_name_equal): Declare.
1302 * omp-low.c (lower_omp_critical): Update.
1303 * ipa-reference (analyze_variable, static_execute): Likewise.
1304 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1305 * cgraphunit.c: Update comments.
1306 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1307 varpool_assembled_nodes_queue.
1308 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1309 varpool_analyze_pending_decls.
1310 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1311 varpool_remove_unreferenced_decls.
1312 (record_reference): Update.
1313 (cgraph_create_edges): Update.
1314 (record_referneces_in_initializer): New function.
1315 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1316 varpool_assemble_decl; make global.
1317 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1318 varpool_assemble_pending_decls.
1319 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1320 struct cgraph_order_sort, cgraph_output_in_order,
1321 cgraph_function_and_variable_invisibility, cgraph_optimize,
1322 cgraph_increase_alignment): Update.
1323 * dwarf2out.c (decls_for_scope): Likewise.
1324 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1325 * except.c (output_ttype): Likewise.
1326 * varasm.c (mark_decl_referenced): Likewise.
1327 (find_decl_and_mark_referenced, assemble_alias): update.
1328 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1329 * passes.c (rest_of_decl_compilation): Update.
1331 2006-12-11 Ira Rosen <irar@il.ibm.com>
1333 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1334 GIMPLE_STMT_OPERAND.
1335 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1336 (vect_setup_realignment): Likewise.
1338 2006-12-11 Sa Liu <saliu@de.ibm.com>
1339 Ben Elliston <bje@au.ibm.com>
1341 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1342 (ENDFILE_SPEC): Likewise.
1343 * config/spu/spu.opt (mstdmain): New option.
1344 * config/spu/crti.asm: Remove.
1345 * config/spu/crtn.asm: Likewise.
1346 * config/spu/crt0.c: Likewise.
1347 * config/spu/crtend.c: Likewise.
1348 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1350 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1351 * doc/invoke.texi (SPU Options): Document -mstdmain.
1353 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1355 * doc/loop.texi: Document number_of_latch_executions and
1356 number_of_cond_exit_executions.
1357 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1358 chrec_is_positive, number_of_iterations_for_all_loops,
1359 scev_const_prop): Use number_of_latch_executions.
1360 (set_nb_iterations_in_loop): Do not increase the value of the
1361 number of iterations.
1362 (number_of_iterations_in_loop): Renamed to ...
1363 (number_of_latch_executions): ... this.
1364 (number_of_exit_cond_executions): New function.
1365 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1367 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1368 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1369 number_of_latch_executions.
1370 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1371 number_of_exit_cond_executions.
1372 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1373 * cfgloop.h (struct loop): Improve description of the nb_iterations
1376 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1378 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1379 (tree_pointer_compare): Remove.
1381 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1383 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1384 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1385 * tree-loop-linear.c (linear_transform_loops): Ditto.
1386 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1387 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1388 free_numbers_of_iterations_estimates): Ditto.
1389 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1390 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1391 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1392 * modulo-sched.c (sms_schedule): Ditto.
1393 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1394 tree_unroll_loops_completely): Ditto.
1395 * predict.c (predict_loops): Ditto.
1396 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1397 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1398 decide_unrolling_and_peeling): Ditto.
1399 * cfgloopmanip.c (unloop): Use delete_loop.
1400 (place_new_loop): Access larray vector instead of parray.
1401 (create_preheaders, force_single_succ_latches,
1402 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1403 * loop-doloop.c (doloop_optimize_loops): Ditto.
1404 * loop-invariant.c (move_loop_invariants): Ditto.
1405 * tree-cfg.c (replace_uses_by): Ditto.
1406 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1407 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1409 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1411 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1412 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1413 get_loop and get_chrec_loop.
1414 (number_of_iterations_for_all_loops): Use number_of_loops.
1415 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1416 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1417 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1419 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1420 chrec_convert_1): Use get_loop and get_chrec_loop.
1421 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1422 (loop_optimizer_init): Use FOR_EACH_LOOP.
1423 * tree-vectorizer.c (vect_loops_num): Removed.
1424 (vectorize_loops): Store number of loops locally. Use
1425 FOR_EACH_LOOP and get_loop.
1426 * tree-vectorizer.h (vect_loops_num): Removed.
1427 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1428 (find_data_references_in_loop): Do not set parallel_p.
1429 * tree-data-ref.h: Do not declare VEC(loop_p).
1430 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1431 verify_loop_structure): Use FOR_EACH_LOOP.
1432 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1433 (initialize_loops_parallel_p): Removed.
1434 (flow_loops_find): Push the loops into a vector.
1435 (delete_loop): New function.
1436 (cancel_loop): Use delete_loop.
1437 * cfgloop.h: Declare VEC(loop_p).
1438 (struct loop): Remove parallel_p field.
1439 (struct loops): Replace num and parray field by larray vector.
1440 Remove shared_headers field.
1441 (delete_loop): Declare.
1442 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1443 FOR_EACH_LOOP): New.
1444 * doc/loop.tex: Document new accessor functions.
1446 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1448 * common.opt (-ftree-lrs): Remove live range splitting option.
1449 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1450 * opts.c (decode_options): Remove flag_tree_live_range_split.
1451 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1452 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1453 * tree-outof-ssa.c: Remove header files which aren't needed.
1454 (SSANORM_*): Remove flags.
1455 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1456 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1457 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1458 (assign_vars): Use Basevar instead of root_var structure.
1459 (replace_def_variable): Dont do anything if def is replaceable.
1460 (remove_ssa_form): Integrate functional changes.
1461 (rewrite_out_of_ssa): Remove live-range_split option.
1462 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1463 (coalesce_cost): Calculate the cost of a coalesce.
1464 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1465 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1466 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1467 (pop_best_coalesce): Remove the best coalesce from the list.
1468 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1469 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1470 (create_coalesce_list): Create a coalesce list object.
1471 (delete_coalesce_list): Free a coalesce list object.
1472 (find_coalesce_pair): Find matching pair in the coalesce list.
1473 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1474 (add_coalesce): Add a coalesce to the coalesce list.
1475 (compare_pairs): Comparision function to determine pair sorted order.
1476 (num_coalesce_pairs): Number of coalesced pairs.
1477 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1478 Coalesce pair iterator functions.
1479 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1480 (dump_coalesce_list): Show coalesce list.
1481 (ssa_conflicts_new): Create an SSA conflict graph.
1482 (ssa_conflicts_delete): Delete an SSA conflict graph.
1483 (ssa_conflicts_test_p): Test for conflicts.
1484 (ssa_conflicts_add_one): Add a single conflict.
1485 (ssa_conflicts_add): Add a conflict pair.
1486 (ssa_conflicts_merge): Merge conflicts.
1487 (struct live_track_d): Struct for tracking live partitions.
1488 (new_live_track): Create new live_track object.
1489 (delete_live_track): Delete a live_track object.
1490 (live_track_remove_partition): Remove a partition from the live list.
1491 (live_track_add_partition): Add a partition from the live list.
1492 (live_track_clear_var): Take VAR from the live list.
1493 (live_track_live_p): Is var live?
1494 (live_track_process_use): Make var come alive.
1495 (live_track_process_def): Make var go dead, add conflicts.
1496 (live_track_init): Initialize to a live on exit set.
1497 (live_track_clear_base_vars): Clear live partitions.
1498 (build_ssa_conflict_graph): Build a conflict graph.
1499 (print_exprs): Common debug output routine.
1500 (abnormal_corrupt): Output info about a failed coalesce across an
1502 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1503 (create_outofssa_var_map): Create a var map and coalesce list.
1504 (attempt_coalesce): Coalesce a pair.
1505 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1506 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1507 * tree-ssa-live.c: Remove header files which aren't needed.
1508 (var_map_base_init): New. Initialize a basevar list.
1509 (var_map_base_fini): New. Finish a basevar list.
1510 (init_var_map): Initialize new fields.
1511 (delete_var_map): Free new fields.
1512 (var_union): Use renamed fields.
1513 (compact_var_map): Remove.
1514 (partition_to_view_init): Use renamed fields, change order of an if.
1515 (partition_view_fini): Use renamed fields.
1516 (partition_view_normal): Create basevar list if requested.
1517 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1518 (change_partition_var): Use renamed fields.
1519 (create_ssa_var_map): Remove.
1520 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1521 root_var_init): Remove.
1522 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1523 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1524 compare_pairs, num_coalesce_pairs, first_partition_pair,
1525 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1526 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1527 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1528 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1529 (dump_var_map): Use renamed fields.
1530 * tree-ssa-live.h (struct _var_map): Modify fields.
1531 (partition_to_var, version_to_var, var_to_partition): Use renamed
1533 (basevar_index): New. Index of the base variable of a partition.
1534 (num_basevars): New. Number of unique base variables in partition map.
1535 (register_ssa_partition): Use renamed fields.
1536 (struct tree_partition_associator_d): Remove.
1537 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1538 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1539 root_var, root_var_first_partition, root_var_next_partition,
1540 root_var_dump, root_var_delete, root_var_remove_partition,
1541 root_var_find, root_var_compact, root_var_decompact): Remove.
1542 (struct partition_pair, struct coalesce_list_d): Moved to
1544 * tree-ssa-ter.c: Remove header files which aren't needed.
1546 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1548 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1549 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1551 (cse_visited_basic_blocks): New static bitmap.
1552 (cse_end_of_basic_block, cse_basic_block): Remove.
1553 (cse_find_path, cse_dump_path, cse_prescan_path,
1554 cse_extended_basic_block): New static functions.
1555 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1556 basic block boundaries. Don't record jump equivalences here.
1557 Update the CFG after doing in-place replacement of the SET_SRC.
1558 (cse_main): Rewrite. Look for extended basic block headers
1559 and call cse_extended_basic_block on them until all paths that
1560 start at this header are exhausted.
1561 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1562 and correct after cse_main.
1563 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1564 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1565 (pass_cse): Add TODO_verify_flow.
1566 (pass_cse2): Likewise.
1568 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1570 * reload1.c (choose_reload_regs): Don't set byte offset when
1571 resolving subregs of hard regs.
1573 2006-12-09 Zack Weinberg <zackw@panix.com>
1575 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1576 suitable for the language, if set_yydebug is true.
1577 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1578 YYDEBUG or declare yydebug.
1579 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1581 2006-12-09 Jan Hubicka <jh@suse.cz>
1583 * cgraph.c: Update copyright.
1584 * cgraph.h: Likewise
1585 (cgraph_update_pending_function): Remove prototype.
1586 * cgraphunit.c: Update copyright; update overall comment.
1587 (cgraph_assemble_pending_functions): Make local.
1589 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1591 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1593 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1595 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1597 (cpat_const_p, gen_cpat_const): Add.
1598 * config/spu/spu.c (immediate_class): New enum.
1599 (cpat_info, classify_immediate): New.
1600 (print_operand): Use S, D, T instead of F, G, H. Use
1601 classify_immediate. Handle cpat cases.
1602 (spu_split_immediate): Renamed from spu_split_address. Split all
1603 immediates that can be split.
1604 (immediate_load_p): Use classify_immediate.
1605 (spu_legitimate_constant_p): Accept everything except some cases of
1607 (spu_expand_move): Use spu_split_immedate.
1608 (fsmbi_const_p): Use classify_immediate.
1609 (cpat_const_p): New.
1610 (gen_cpat_const: New.
1611 * config/spu/constraints.md (j,k,l): New constraints for cpat
1613 * config/spu/spu.md (unnamed splitter): Change address splitter to
1614 handle all immediates.
1615 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1617 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1620 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1623 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1624 patterns. Correct length of high:DI instruction sequence.
1626 2006-12-08 Mike Stump <mrs@apple.com>
1628 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1629 libgcc with -mmacosx-version-min=10.4.
1630 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1631 G4 for 10.5+ unless doing kernel builds.
1633 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1636 * reg-stack.c (convert_regs_entry): Mark current argument passing
1639 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1640 of float arguments in x87 registers.
1642 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1644 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1646 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1648 * recog.c (mode_dependent_address_p): Identify pre-increment,
1649 pre-decrement, post-increment and post-decrement addressing as always
1650 being mode-dependent.
1651 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1652 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1653 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1654 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1655 PRE_INC and POST_INC checks.
1656 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1657 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1658 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1659 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1660 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1661 PRE_INC, POST_DEC and POST_INC cases.
1662 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1663 Delete POST_INC and PRE_DEC cases.
1664 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1666 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1667 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1669 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1670 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1671 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1672 PRE_INC and PRE_DEC cases.
1673 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1674 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1675 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1676 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1677 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1678 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1679 auto-increment cases.
1680 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1681 auto-increment cases.
1682 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1684 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1686 * Makefile.in: Add new file tree-ssa-ter.c.
1687 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1688 free_temp_expr_table, add_value_to_version_list,
1689 add_value_to_partition_list, remove_value_from_partition_list,
1690 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1691 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1692 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1693 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1695 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1696 (struct value_expr_d): Remove.
1697 (struct temp_expr_table_d): Rename fields, add explicit vector of
1698 replaceable expressions instead of sharing. Change value_expr_p's to
1699 bitmap. Delete free_list.
1700 (new_temp_expr_table): Rename fields, count number of ssa_names in
1702 (free_temp_expr_table): Rename field, free new fields.
1703 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1704 add_info_to_list, remove_value_from_list): Delete.
1705 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1706 (make_dependent_on_partition): New. Set bit in version list, allocating
1707 a bitmap if need be.
1708 (add_to_partition_kill_list): New. Set bit in the partition list,
1709 allocating a bitmap if need be.
1710 (remove_from_partition_kill_list): New. Remove a bit from the
1711 partition list, free the bitmap if it is empty.
1712 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1713 on partitions with only one member.
1714 (is_replaceable_p): New. Split out replaceability check from
1716 (process_replaceable): New. Code split from check_replaceable.
1717 (check_replaceable): Removed.
1718 (finished_with_expr): Renamed from finish_expr.
1719 (kill_expr): Use renamed fields and less parameters.
1720 (kill_virtual_exprs): Less parameters.
1721 (mark_replaceable): Use renamed fields.
1722 (find_replaceable_in_bb): Use renamed fields, cleanup.
1723 (find_replaceable_exprs): Use renamed routines, cleanup.
1724 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1725 (debug_ter): New. Debug routine to dump state.
1727 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1729 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1730 anything involving the GOT.
1731 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1732 (trapping_loads_p): Look inside the pattern of an insn to find the
1734 * config/bfin/bfin.md (attr "type"): Add movcc.
1735 (insn_reservation "alu"): Likewise.
1736 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1738 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1740 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1741 (spu_resolve_overloaded_builtin): Check for non scalar instead
1742 of vector type and check the function call argument type also for
1744 Call build_function_call instead of spu_build_overload_builtin.
1746 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1748 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1749 to the calls of hwint_to_const_double.
1751 2006-12-07 Nick Clifton <nickc@redhat.com>
1753 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1754 elf_record_gcc_switches.
1756 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1758 * expr.c (string_constant): Account for non-zero lower bound arrays.
1760 2006-12-07 Richard Guenther <rguenther@suse.de>
1762 * builtins.c (expand_builtin_pow): Adjust predicates for
1763 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1766 2006-12-07 Jan Hubicka <jh@suse.cz>
1768 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1771 2006-12-07 Jan Hubicka <jh@suse.cz>
1773 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1774 use fold_constant_to_binary; tolerate wrong type constants.
1775 (value_intersect_p): Do just two tests.
1777 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1779 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1780 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1781 lshifthi3): Use it, and fix the order of alternatives.
1783 2006-12-07 Nick Clifton <nickc@redhat.com>
1785 * common.opt (record-gcc-switches): New command line switch.
1786 * target.h (print_switch_type): New enum.
1787 (print_switch_fn_type): New typedef for a function pointer.
1788 (struct gcc_target): Add record_gcc_switches and
1789 record_gcc_switches_section fields.
1790 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1792 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1794 * toplev.c (print_single_switch): Simplify by providing a
1795 pointer to function that will format and output the switch
1797 (print_switch_values): Likewise.
1798 (print_to_asm_out_file): New function.
1799 (print_to_stderr): New function.
1800 (init_asm_output): If flag_record_gcc_switches is set then if
1801 the target supports recording the switches then emit them into
1802 the assembler output file, otherwise tell the user that the
1803 switch is not supported.
1804 * varasm.c (eld_record_gcc_switches): New function. Example
1805 handler for the record_gcc_switches target hook.
1806 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1808 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1809 * doc/invoke.texi (-frecord-gcc-switches): Document.
1811 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1814 * sched-rgn.c (add_block1): Use correct initializer.
1816 2006-12-07 Richard Guenther <rguenther@suse.de>
1818 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1819 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1821 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1824 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1825 not GIMPLE_MODIFY_STMT.
1827 2006-12-06 Jan Hubicka <jh@suse.cz>
1829 * tree-vrp.c (operand_less_p): New.
1830 (compare_values, value_inside_range): Rewrite in terms of
1833 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1835 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1837 (length_immediate): Do not depend on cld type attribute.
1838 (length_address): Ditto.
1841 (cld): Remove insn pattern.
1842 (strmov_singleop): Do not use DIRFLAG_REG.
1843 (*strmovdi_rex_1): Ditto.
1844 (*strmovsi_1): Ditto.
1845 (*strmovsi_rex_1): Ditto.
1846 (*strmovhi_1): Ditto.
1847 (*strmovhi_rex_1): Ditto.
1848 (*strmovqi_1): Ditto.
1849 (*strmovqi_rex_1): Ditto.
1851 (*rep_movdi_rex64): Ditto.
1852 (*rep_movsi): Ditto.
1853 (*rep_movsi_rex64): Ditto.
1854 (*rep_movqi): Ditto.
1855 (*rep_movqi_rex64): Ditto.
1856 (strset_singleop): Ditto.
1857 (*strsetdi_rex_1): Ditto.
1858 (*strsetsi_1): Ditto.
1859 (*strsetsi_rex_1): Ditto.
1860 (*strsethi_1): Ditto.
1861 (*strsethi_rex_1): Ditto.
1862 (*strsetqi_1): Ditto.
1863 (*strsetqi_rex_1): Ditto.
1865 (*rep_stosdi_rex64): Ditto.
1866 (*rep_stossi): Ditto.
1867 (*rep_stossi_rex64): Ditto.
1868 (*rep_stosqi): Ditto.
1869 (*rep_stosqi_rex64): Ditto.
1870 (cmpstrnsi): Do not generate cld insn.
1871 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1872 (*cmpstrnqi_nz_1): Ditto.
1873 (*cmpstrnqi_nz_rex_1): Ditto.
1874 (cmpstrnqi_1): Ditto.
1875 (*cmpstrnqi_1): Ditto.
1876 (*cmpstrnqi_rex_1): Ditto.
1877 (strlenqi_1): Ditto.
1878 (*strlenqi_1): Ditto.
1879 (*strlenqi_rex_1): Ditto.
1881 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1882 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1883 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1885 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1886 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1888 (k6_alux_only_load): Ditto.
1889 (k6_alux_only_store): Ditto.
1891 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1892 Do not emit cld instruction.
1893 (ix86_expand_setmem): Ditto.
1894 (ix86_expand_strlen): Do not emit cld instruction.
1896 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1898 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1901 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1903 * gdbinit.in: Set complaints to 0.
1905 2006-12-06 Jan Hubicka <jh@suse.cz>
1907 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1908 ALONE_MEM_STAT_DECL): New macros.
1909 * bitmap.h: Include statistics.h
1910 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1911 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1912 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1913 * bitmap.c: Include hashtab.h
1914 (bitmap_descriptor): New.
1915 (bitmap_hash): New static variable
1916 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1917 New static functions.
1918 (bitmap_register): New.
1919 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1920 bitmap_obstack_release): Do accounting.
1921 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1923 (bitmap_gc_alloc_stat): Likewise.
1924 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1925 (print_statistics, dump_bitmap_statistics): New functions.
1926 * toplev.c (finalize): Dump bitmap statistics.
1928 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1930 * reload1.c (delete_output_reload): Count occurrences in
1931 CALL_INSN_FUNCTION_USAGE.
1932 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1933 crashing at the end of the list.
1935 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1937 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1938 Optimize to avoid marking more SMT's as used when they aren't.
1940 2006-12-05 Eric Christopher <echristo@apple.com>
1942 * config/i386/i386.c (x86_output_aligned_bss): Move out
1943 of COMMON_ASM_OP ifdef.
1945 2006-12-05 Eric Christopher <echristo@apple.com>
1947 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1948 (STARTFILE_SPEC): Use.
1949 (DARWIN_DYLIB1_SPEC): New.
1950 (DARWIN_CRT1_SPEC): New.
1951 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1953 * config/i386/darwin.h: Ditto.
1954 * config/rs6000/darwin.h: Ditto.
1956 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1958 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1959 * tree-complex.c (pass_lower_complex): Ditto.
1960 * tree-ssa-ccp.c (pass_ccp): Ditto.
1961 (pass_store_ccp): Ditto.
1962 * tree-ssa-dom.c (pass_dominator): Ditto.
1963 (pass_phi_only_cprop): Ditto.
1964 * tree-sra.c (pass_sra): Ditto.
1965 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1966 * tree-flow.h (updating_used_alone): Remove.
1967 (updating_used_alone): Ditto.
1968 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1969 (lhs_may_store_to): Remove function.
1970 (recalculate_used_alone): Ditto.
1971 (compute_may_aliases): Remove used_alone calculation.
1972 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1973 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1974 * tree-pass.h (PROP_smt_usage): Remove.
1975 * passes.c (execute_todo): Remove used alone recalculation.
1976 (execute_one_pass): Ditto.
1977 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1980 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1982 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1984 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1986 PR tree-optimization/14784
1987 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1989 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1991 Merge from gimple-tuples-branch.
1993 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1995 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1997 (s390_gimplify_va_arg): Same.
1998 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1999 * config/sh/sh.c (sh_va_start): Same.
2000 (sh_gimplify_va_arg_expr): Same.
2001 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2002 (xtensa_gimplify_va_arg_expr): Same.
2003 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2004 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2005 * config/mips/mips.c (mips_va_start): Same.
2006 (mips_gimplify_va_arg_expr): Same.
2008 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2010 * Merge from mainline at revision 119445.
2012 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2014 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2016 (spu_gimplify_va_arg_expr): Same.
2018 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2020 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2021 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2022 (xstormy16_expand_builtin_va_arg): Same.
2024 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2026 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2027 to GIMPLE_MODIFY_STMT.
2029 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2031 * config/alpha/alpha.c (va_list_skip_additions): Change all
2032 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2033 (alpha_va_start): Same.
2034 (alpha_gimplify_va_arg_1): Same.
2035 (alpha_gimplify_va_arg): Same.
2037 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2039 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2041 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2043 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2044 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2046 * tree-complex.c: Same.
2047 * tree-pretty-print.c: Same.
2051 * fold-const.c: Same.
2052 * tree-ssa-dom.c: Same.
2053 * tree-ssa-propagate.c: Same.
2054 * tree-ssa-alias.c: Same.
2055 * gimple-low.c: Same.
2056 * dwarf2out.c: Same.
2057 * c-pretty-print.c: Same.
2059 * tree-inline.c: Same.
2060 * tree-outof-ssa.c: Same.
2061 * tree-ssa-structalias.c: Same.
2062 * tree-ssa-reassoc.c: Same.
2065 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2067 * tree.c (build2_stat): Fix comment.
2069 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2071 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2072 TREE_OPERAND when appropriate.
2074 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2076 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2077 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2078 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2079 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2080 not handle GIMPLE_MODIFY_STMT in the switch statement.
2081 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2082 (java_gimplify_new_array_init): Same.
2084 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2086 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2087 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2088 * fold-const.c (fold_binary): Allow gimple statements.
2090 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2091 Rename from gfc_conv_descriptor_data_set.
2092 Call gfc_add_modify instead of gfc_add_modify_expr.
2093 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2094 Rename from gfc_conv_descriptor_data_set.
2095 (gfc_conv_descriptor_data_set): New macro.
2096 (gfc_conv_descriptor_data_set_tuples): New macros.
2097 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2098 gfc_conv_descriptor_data_set_tuples.
2099 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2100 Generate GIMPLE_MODIFY_STMT when appropriate.
2101 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2102 (gfc_add_modify_expr): New macro.
2103 (gfc_add_modify_stmt): New macro.
2104 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2106 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2108 * Merge from mainline at revision 118200.
2110 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2112 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2115 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2117 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2119 Also, add __extension__ to GCC versions.
2120 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2121 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2124 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2126 * tree-complex.c (expand_complex_libcall): Adjust for
2128 (expand_complex_comparison): Same.
2129 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2130 GIMPLE_STMT_P statements.
2131 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2133 (tree_mod_pow2_value_transform): Same.
2134 (tree_mod_subtract_transform): Same.
2135 * tree.c (build2_stat): Check for gimplified function in cfun.
2136 * tree.h (DECL_GIMPLIFIED): Delete.
2137 (struct tree_function_decl): Remove gimplified_flag.
2138 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2139 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2140 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2141 (cxx_omp_clause_copy_ctor): Same.
2142 (cxx_omp_clause_assign_op): Same.
2143 * c-pretty-print.c (pp_c_conditional_expression): Same.
2144 (pp_c_expression): Same.
2145 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2146 * function.h (struct function): Add gimplified field.
2147 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2149 (find_phi_replacement_condition): Same.
2150 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2151 (gimplify_modify_expr_to_memset): Same.
2152 (gimplify_init_ctor_eval_range): Same.
2153 (gimplify_modify_expr_complex_part): Same.
2154 (tree_to_gimple_tuple): Same.
2155 (gimplify_modify_expr): Same.
2156 (gimple_push_cleanup): Same.
2157 (gimplify_omp_for): Same.
2158 (gimplify_omp_atomic_pipeline): Same.
2159 (gimplify_omp_atomic_mutex): Same.
2160 (gimplify_expr): Same.
2161 (gimplify_one_sizepos): Same.
2162 (gimplify_function_tree): Same.
2163 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2164 (vect_recog_widen_sum_pattern): Same.
2165 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2166 (vect_create_epilog_for_reduction): Same.
2167 (vectorizable_reduction): Same.
2169 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2171 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2172 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2173 (ifc_temp_var): Same.
2174 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2175 for gimple statements.
2176 (vect_analyze_operations): Same.
2177 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2178 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2179 * lambda-code.c (can_put_in_inner_loop): Same.
2180 (can_put_after_inner_loop): Same.
2181 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2182 (vect_create_data_ref_ptr): Same.
2183 (vect_init_vector): Same.
2184 (vect_get_vec_def_for_operand): Same.
2185 (vect_create_epilog_for_reduction): Same.
2186 (vectorizable_reduction): Same.
2187 (vectorizable_assignment): Same.
2188 (vectorizable_operation): Same.
2189 (vectorizable_load): Same.
2190 (vectorizable_condition): Same.
2191 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2192 (rs6000_gimplify_va_arg): Same.
2194 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2196 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2197 GIMPLE_STMT_OPERAND.
2198 (simplify_abs_using_ranges): Same.
2199 * tree-complex.c (expand_complex_operations_1): Use
2200 PROTECTED_TREE_OPERAND.
2201 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2203 (get_val_for): Use GIMPLE_STMT_OPERAND.
2204 * tree-tailcall.c (adjust_accumulator_values): Same.
2205 (adjust_return_value): Same.
2206 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2207 case. Remove special case for tcc_gimple_stmt.
2208 * tree.h (CAN_HAVE_LOCATION_P): New.
2209 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2211 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2212 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2213 * tree-nrv.c (execute_return_slot_opt): Same.
2214 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2215 * tree-vn.c (set_value_handle): Same.
2216 (get_value_handle): Same.
2217 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2218 * tree-vectorizer.c (find_loop_location): Same.
2219 * c-typeck.c (c_process_expr_stmt): Same.
2220 (c_finish_stmt_expr): Same.
2221 * gimplify.c (should_carry_locus_p): Same.
2222 (tree_to_gimple_tuple): Delete definition and use of unecessary
2223 variable save_tree_block.
2224 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2225 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2226 (realify_fake_stores): Same.
2227 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2229 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2230 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2231 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2232 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2233 (c_parser_statement_after_labels): Same.
2234 (c_parser_paren_condition): Same.
2235 (c_parser_for_statement): Same.
2236 (c_parser_omp_for_loop): Same.
2237 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2238 (linearize_expr_tree): Same.
2239 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2240 * function.c (instantiate_expr): Same.
2242 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2244 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2245 (set_expr_location): Same.
2247 (set_expr_locus): Same.
2248 (expr_filename): Same.
2249 (expr_lineno): Same.
2250 (tree_block): Use GIMPLE_STMT_BLOCK.
2251 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2252 * tree.h (struct gimple_stmt): Remove prev and next.
2253 (GIMPLE_STMT_OPERAND_CHECK): New.
2254 (TREE_TO_GIMPLE_STMT): Delete.
2255 (GIMPLE_STMT_TO_TREE): Delete.
2256 (GIMPLE_STMT_OPERAND): Use union, not cast.
2257 (GIMPLE_STMT_LOCUS): New.
2258 (GIMPLE_STMT_BLOCK): New.
2259 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2261 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2263 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2265 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2267 * tree-tailcall.c (adjust_return_value): Same.
2268 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2269 (copy_node_stat): Change common.base to base.
2270 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2271 Remove GIMPLE_STATEMENT_LIST case.
2272 * tree.h (struct gimple_stmt): Make operands of type tree.
2273 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2274 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2275 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2276 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2277 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2278 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2279 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2280 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2281 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2282 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2283 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2284 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2285 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2286 Change common.base to base.
2287 (GIMPLE_STATEMENT_LIST*): Remove.
2288 (union tree_node): Add base. Remove gimple_statement_list.
2289 Remove pointer from gstmt.
2290 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2291 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2292 * tree-vn.c (vn_compute): Change common.base to base.
2293 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2294 * tree-flow-inline.h (var_ann): Same.
2295 (function_ann): Same.
2297 (mark_non_addressable): Same.
2298 * gimplify.c (tree_to_gimple_tuple): Same.
2299 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2300 * tree-dfa.c (create_var_ann): Change common.base to base.
2301 (create_function_ann): Same.
2302 (create_stmt_ann): Same.
2303 (create_tree_ann): Same.
2304 (collect_dfa_stats_r): Same.
2305 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2306 * tree-ssa-dce.c (NECESSARY): Same.
2307 * tree-ssa.c (delete_tree_ssa): Same.
2308 * tree-optimize.c (execute_free_cfg_annotations): Same.
2309 * tree-flow.h: Same.
2311 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2313 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2314 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2316 * tree.h (struct gimple_stmt): Add prev and next fields.
2317 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2318 (GIMPLE_STATEMENT_LIST_HEAD): New.
2319 (GIMPLE_STATEMENT_LIST_TAIL): New.
2320 (struct gimple_statement_list): New.
2321 (union tree_node): Add gimple_stmt_list and gstmt.
2322 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2323 * tree.def: Add GIMPLE_STATEMENT_LIST.
2325 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2327 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2328 * tree-vrp.c (build_assert_expr_for): Change uses of
2329 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2330 (find_assert_locations): Same.
2331 (remove_range_assertions): Same.
2332 (stmt_interesting_for_vrp): Same.
2333 (vrp_visit_assignment): Same.
2334 (vrp_visit_stmt): Same.
2335 (simplify_cond_using_ranges): Same.
2336 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2338 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2339 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2341 (determine_invariantness_stmt): Same.
2342 (schedule_sm): Same.
2343 (gather_mem_refs_stmt): Same.
2344 * tree-complex.c (init_dont_simulate_again): Same.
2345 (complex_visit_stmt): Same.
2346 (set_component_ssa_name): Same.
2347 (expand_complex_move): Same.
2348 (expand_complex_div_wide): Same.
2349 (expand_complex_comparison): Same.
2350 (expand_complex_operations_1): Same.
2351 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2352 (chain_of_csts_start): Same.
2353 (infer_loop_bounds_from_undefined): Same.
2354 * tree-pretty-print.c (dump_generic_node): Same.
2356 (op_symbol_1): Same.
2357 * tree-ssa-loop-manip.c (create_iv): Same.
2358 * value-prof.c (tree_divmod_fixed_value): Same.
2359 (tree_divmod_fixed_value_transform): Same.
2360 (tree_mod_pow2): Same.
2361 (tree_mod_pow2_value_transform): Same.
2362 (tree_mod_subtract): Same.
2363 (tree_mod_subtract_transform): Same.
2364 (tree_divmod_values_to_profile): Same.
2365 * tree-tailcall.c (process_assignment): Same.
2366 (find_tail_calls): Same.
2367 (adjust_accumulator_values): Same.
2368 (adjust_return_value): Same.
2369 (eliminate_tail_call): Same.
2370 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2371 (make_node_stat): Same.
2372 (copy_node_stat): Handle gimple tuples.
2373 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2374 (tree_node_structure): Handle tcc_gimple_stmt.
2375 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2377 (build2_gimple_stat): New.
2378 (expr_location): New.
2379 (set_expr_location): New.
2380 (expr_has_location): New.
2382 (set_expr_locus): New.
2383 (expr_filename): New.
2385 (walk_tree): Handle tcc_gimple_stmt.
2387 (protected_tree_operand): New.
2388 (protected_tree_type): New.
2389 (tree_code_kind): Add gimple statements.
2390 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2391 (IS_GIMPLE_STMT_CODE_CLASS): New.
2392 (struct tree_base): New.
2393 (struct tree_common): Shrink.
2394 (struct gimple_stmt): New.
2395 (struct gimple_expr): New.
2396 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2397 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2398 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2399 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2400 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2401 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2402 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2403 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2404 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2405 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2406 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2407 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2408 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2409 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2410 Adjust for new `common' layout.
2411 (struct tree_function_decl): Add gimplified_flag.
2412 (DECL_GIMPLIFIED): NEW.
2413 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2414 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2415 EXPR_HAS_LOCATION): Call corresponding function.
2416 (GIMPLE_STMT_CHECK): New.
2417 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2418 (TREE_BLOCK): Call tree_block.
2419 (GIMPLE_STMT_P): New.
2420 (GIMPLE_TUPLE_P): New.
2421 (TREE_TO_GIMPLE_STMT): New.
2422 (GIMPLE_STMT_TO_TREE): New.
2423 (GIMPLE_STMT_OPERAND): New.
2424 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2425 (PROTECTED_TREE_OPERAND): New.
2426 (PROTECTED_TREE_TYPE): New.
2427 (build2_gimple_stat): Protoize.
2428 (build2_gimple): New.
2429 (expr_location): Protoize.
2430 (set_expr_location): Protoize.
2431 (expr_has_location): Protoize.
2432 (expr_locus): Protoize.
2433 (set_expr_locus): Protoize.
2434 (expr_filename): Protoize.
2435 (expr_lineno): Protoize.
2436 (tree_block): Protoize.
2437 (protected_tree_operand): Protoize.
2438 (protected_tree_type): Protoize.
2439 (enum tree_node_kind): Add gimple_stmt_kind.
2440 * c-decl.c (union lang_tree_node): Tuples do not have a
2442 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2443 GIMPLE_MODIFY_STMT and adjust accordingly.
2444 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2445 (interpret_condition_phi): Same.
2446 (pointer_used_p): Same.
2447 (analyze_scalar_evolution_1): Same.
2448 (scev_const_prop): Same.
2449 (interpret_rhs_modify_stmt): Rename from
2450 interpret_rhs_modify_expr.
2451 * builtins.c (std_expand_builtin_va_start): Change uses of
2452 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2453 (std_gimplify_va_arg_expr): Same.
2454 (expand_builtin_va_copy): Same.
2455 (integer_valued_real_p): Same.
2456 * fold-const.c (maybe_lvalue_p): Same.
2458 (tree_expr_nonnegative_p): Same.
2459 (tree_expr_nonzero_p): Same.
2460 * omp-low.c (extract_omp_for_data): Same.
2461 (lower_rec_input_clauses): Same.
2462 (lower_reduction_clauses): Same.
2463 (lower_copyprivate_clauses): Same.
2464 (lower_send_clauses): Same.
2465 (lower_send_shared_vars): Same.
2466 (expand_parallel_call): Same.
2467 (expand_omp_parallel): Same.
2468 (expand_omp_for_generic): Same.
2469 (expand_omp_for_static_nochunk): Same.
2470 (expand_omp_for_static_chunk): Same.
2471 (expand_omp_sections): Same.
2472 (lower_omp_single_copy): Same.
2473 (lower_omp_parallel): Same.
2474 * tree-ssa-dse.c (memory_address_same): Same.
2475 (dse_optimize_stmt): Same.
2476 * ipa-reference.c (scan_for_static_refs): Same.
2477 * tree-gimple.c (is_gimple_reg_rhs): Same.
2478 (get_call_expr_in): Same.
2479 (recalculate_side_effects): Same.
2480 * cgraphunit.c (cgraph_create_edges): Same.
2481 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2482 * tree-ssa-ccp.c (get_default_value): Same.
2483 (likely_value): Same.
2484 (visit_assignment): Same.
2485 (ccp_visit_stmt): Same.
2486 (get_maxval_strlen): Same.
2487 (ccp_fold_builtin): Same.
2488 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2489 (find_givs_in_stmt): Same.
2490 (find_interesting_uses_op): Same.
2491 (find_interesting_uses_stmt): Same.
2492 (rewrite_use_nonlinear_expr): Same.
2493 * ipa-pure-const.c (scan_function): Same.
2494 * tree-stdarg.c (va_list_counter_bump): Same.
2495 (check_all_va_list_escapes): Same.
2496 (execute_optimize_stdarg): Same.
2497 * tree-ssa-math-opts.c (compute_merit): Same.
2498 (insert_reciprocals): Same.
2499 (execute_cse_reciprocals): Same.
2500 * tree-ssa-dom.c (initialize_hash_element): Same.
2501 (simple_iv_increment_p): Same.
2502 (record_equivalences_from_stmt): Same.
2503 (optimize_stmt): Same.
2504 (remove_stmt_or_phi): Same.
2505 (get_rhs_or_phi_arg): Same.
2506 (get_lhs_or_phi_result): Same.
2507 (propagate_rhs_into_lhs): Same.
2508 * tree-nrv.c (tree_nrv): Same.
2509 (execute_return_slot_opt): Same.
2510 * tree-ssa-propagate.c (get_rhs): Same.
2512 (stmt_makes_single_load): Same.
2513 (stmt_makes_single_store): Same.
2514 (replace_vuses_in): Same.
2515 (fold_predicate_in): Same.
2516 (substitute_and_fold): Same.
2517 * tree-ssa-alias.c (compute_call_clobbered): Same.
2518 (recalculate_used_alone): Same.
2519 (count_uses_and_derefs): Same.
2520 (is_escape_site): Same.
2521 (find_used_portions): Same.
2522 * gimple-low.c (lower_stmt): Same.
2523 (block_may_fallthru): Same.
2524 (lower_return_expr): Same.
2525 * tree-ssa-sink.c (is_hidden_global_store): Same.
2526 (statement_sink_location): Same.
2527 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2528 * expr.c (safe_from_p): Same.
2529 (expand_expr_real): Same.
2530 (expand_expr_real_1): Same.
2531 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2532 * predict.c (expr_expected_value): Same.
2533 (strip_builtin_expect): Same.
2534 (apply_return_prediction): Same.
2535 (tree_bb_level_predictions): Same.
2536 (tree_estimate_probability): Same.
2537 * tree-vn.c (vn_compute): Same.
2538 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2539 (remove_stmt_from_eh_region_fn): Same.
2540 (do_return_redirection): Same.
2541 (honor_protect_cleanup_actions): Same.
2542 (lower_try_finally_switch): Same.
2543 (lower_eh_constructs_1): Same.
2544 (tree_could_throw_p): Same.
2545 (verify_eh_throw_stmt_node): Same.
2546 * function.c (gimplify_parameters): Same.
2547 * tree-vectorizer.c (vect_is_simple_use): Same.
2548 (vect_is_simple_reduction): Same.
2549 * ipa-type-escape.c (scan_for_refs): Same.
2550 * tree-if-conv.c (tree_if_conversion): Same.
2551 (tree_if_convert_stmt): Same.
2552 (if_convertible_gimplify_modify_stmt_p): Rename from
2553 if_convertible_modify_expr_p.
2554 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2555 (ifc_temp_var): Same.
2556 (replace_phi_with_cond_modify_stmt): Rename from
2557 replace_phi_with_cond_modify_expr.
2558 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2559 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2560 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2562 * tree-flow-inline.h (var_ann): Same.
2563 (function_ann): Same.
2565 (mark_non_addressable): Same.
2566 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2567 * gimplify.c (tree_to_gimple_tuple): New.
2568 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2569 (gimplify_return_expr): Same.
2570 (gimplify_decl_expr): Same.
2571 (gimplify_self_mod_expr): Same.
2572 (gimplify_cond_expr): Same.
2573 (gimplify_init_constructor): Same.
2574 (gimplify_modify_expr): Same.
2575 (gimplify_expr): Same.
2576 (gimplify_function_tree): Same.
2577 (force_gimple_operand): Same.
2578 * tree-ssa-phiopt.c (conditional_replacement): Same.
2579 (minmax_replacement): Same.
2580 (abs_replacement): Same.
2581 * tree-dfa.c (create_var_ann): Same.
2582 (create_function_ann): Same.
2583 (create_stmt_ann): Same.
2584 (create_tree_ann): Same.
2585 (collect_dfa_stats_r): Same.
2586 * tree-ssa-pre.c (find_or_generate_expression): Same.
2587 (create_expression_by_pieces): Same.
2588 (try_look_through_load): Same.
2589 (insert_fake_stores): Same.
2590 (realify_fake_stores): Same.
2591 (compute_avail): Same.
2594 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2595 Adjust for GIMPLE_MODIFY_STMT.
2596 (NECESSARY): Adjust for new `common' layout.
2597 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2599 * tree-sra.c (sra_walk_modify_stmt): Rename from
2600 sra_walk_modify_expr.
2601 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2602 (generate_copy_inout): Same.
2603 (generate_element_copy): Same.
2604 (generate_element_zero): Same.
2605 (scalarize_copy): Same.
2606 * tree-mudflap.c (mf_decl_cache_locals): Same.
2607 (mf_build_check_statement_for): Same.
2608 (mf_xform_derefs): Same.
2609 * ipa-prop.c (ipa_method_modify_stmt): Same.
2610 * print-tree.c (print_node): Handle gimple tuples.
2611 Add case for tcc_gimple_stmt.
2612 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2614 (copy_prop_visit_assignment): Same.
2615 (copy_prop_visit_stmt): Same.
2616 (init_copy_prop): Same.
2617 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2618 (forward_propagate_into_cond_1): Same.
2619 (find_equivalent_equality_comparison): Same.
2620 (tidy_after_forward_propagate_addr): Same.
2621 (forward_propagate_addr_expr_1): Same.
2622 (simplify_not_neg_expr): Same.
2623 (simplify_switch_expr): Same.
2624 * tree-ssa-dce.c (find_pdom): Same.
2625 (mark_stmt_if_obviously_necessary): Same.
2626 (NECESSARY): Adjust for new `common' layout.
2627 * tree-flow.h: Same.
2628 * tree-vect-patterns.c (widened_name_p): Adjust for
2630 (vect_recog_dot_prod_pattern): Same.
2631 (vect_recog_widen_sum_pattern): Same.
2632 (vect_pattern_recog_1): Same.
2633 * tree-nested.c (init_tmp_var): Same.
2634 (save_tmp_var): Same.
2636 (convert_call_expr): Same.
2637 (finalize_nesting_tree_1): Same.
2638 * tree-ssa.c (verify_ssa): Same.
2639 (delete_tree_ssa): Same.
2640 * lambda-code.c (lbv_to_gcc_expression): Same.
2641 (lle_to_gcc_expression): Same.
2642 (lambda_loopnest_to_gcc_loopnest): Same.
2643 (can_put_in_inner_loop): Same.
2644 (can_convert_to_perfect_nest): Same.
2645 (perfect_nestify): Same.
2646 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2647 * tree-inline.c (copy_body_r): Same.
2648 (setup_one_parameter): Same.
2649 (initialize_inlined_parameters): Same.
2650 (estimate_num_insns_1): Same.
2651 (expand_call_inline): Same.
2652 (gimple_expand_calls_inline): Same.
2653 (copy_tree_r): Same.
2654 * tree-optimize.c (execute_free_cfg_annotations): Same.
2655 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2656 (vect_align_data_ref): Same.
2657 (vect_create_data_ref_ptr): Same.
2658 (vect_init_vector): Same.
2659 (vect_create_epilog_for_reduction): Same.
2660 (vectorizable_reduction): Same.
2661 (vectorizable_assignment): Same.
2662 (vectorizable_operation): Same.
2663 (vectorizable_store): Same.
2664 (vectorizable_load): Same.
2665 (vectorizable_live_operation): Same.
2666 (vectorizable_condition): Same.
2667 (vect_generate_tmps_on_preheader): Same.
2668 (vect_create_cond_for_align_checks): Same.
2669 * tree-object-size.c (collect_object_sizes_for): Same.
2670 (check_for_plus_in_loops_1): Same.
2671 (check_for_plus_in_loops): Same.
2672 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2673 (replace_use_variable): Same.
2674 (check_replaceable): Same.
2675 (rewrite_trees): Same.
2676 (identical_copies_p): Same.
2677 (insert_backedge_copies): Same.
2678 * tree-profile.c (tree_gen_edge_profiler): Same.
2679 * tree-vect-generic.c (expand_vector_operations_1): Same.
2680 * tree-ssa-structalias.c (update_alias_info): Same.
2681 (find_func_aliases): Same.
2682 * tree-cfg.c (factor_computed_gotos): Same.
2684 (make_goto_expr_edges): Same.
2685 (tree_merge_blocks): Same.
2686 (remove_useless_stmts_cond): Same.
2687 (remove_useless_stmts_1): Same.
2688 (tree_find_edge_insert_loc): Same.
2689 (verify_expr): Same.
2690 (gimplify_val): Same.
2691 (verify_gimple_tuples_1): New.
2692 (verify_gimple_tuples): New.
2693 (verify_stmts): Call verify_gimple_tuples.
2694 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2695 (get_unary_op): Same.
2696 (linearize_expr): Same.
2697 (get_single_immediate_use): Same.
2698 (negate_value): Same.
2699 (should_break_up_subtract): Same.
2700 (break_up_subtract): Same.
2701 (repropagate_negates): Same.
2702 (break_up_subtract_bb): Same.
2703 (reassociate_bb): Same.
2704 * config/i386/i386.c (ix86_va_start): Same.
2705 (ix86_gimplify_va_arg): Same.
2706 * stmt.c (expand_expr_stmt): Same.
2707 (warn_if_unused_value): Same.
2708 (expand_return): Same.
2709 * tree-ssanames.c (make_ssa_name): Same.
2710 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2711 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2712 (add_virtual_operand): Same.
2713 (get_expr_operands): Same.
2714 (parse_ssa_operands): Same.
2715 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2717 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2719 * config.host: Remove extra blank line.
2721 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2723 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2724 target is also an x86 variant.
2726 2006-12-05 Richard Guenther <rguenther@suse.de>
2728 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2729 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2730 (ix86_builtin_vectorized_function): New function to vectorize
2733 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2735 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2736 ia64_override_options.
2738 2006-12-04 Jan Hubicka <jh@suse.cz>
2740 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2743 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2745 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2746 * config/bfin/bfin.c: Include "timevar.h".
2747 (bfin_flag_schedule_insns2, splitting_for_sched,
2748 bfin_flag_var_tracking): New variables.
2749 (print_operand): Handle '%!'.
2750 (override_options): Disable normal sched2 pass, instead set
2751 bfin_flag_schedule_insns2 for reorg to handle it.
2752 (output_file_start): Likewise for var-tracking.
2753 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2754 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2756 (bfin_reorg): Do second scheduling pass here, and call
2757 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2758 of examining insns directly. If bfin_flag_var_tracking, call
2759 var-tracking pass when done with everything else.
2760 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2761 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2762 (movsi_insn32): New pattern, with two new splits to create it
2763 before the final scheduling pass.
2764 (neghi2): Not a dsp32 insn, rather alu0.
2765 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2766 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2767 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2768 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2769 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2770 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2771 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2772 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2773 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2774 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2775 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2776 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2777 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2778 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2779 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2780 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2781 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2782 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2783 variants instead of ';'.
2784 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2785 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2786 (align8, align16, align24): Now named patterns; also using '%!'.
2789 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2791 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2792 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2794 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2796 * config/spu/spu-protos.c (spu_split_address): Add.
2797 * config/spu/spu.c (spu_split_address): Add.
2798 (print_operand): Handle HIGH.
2799 (spu_legitimate_address): Don't test for aligned CONST.
2800 (spu_expand_mov): Don't split addresses here.
2801 * config/spu/constraints.md (A): Don't test legitimate_const.
2802 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2803 (ceq_di): Use correct predicates.
2805 2006-12-04 Eric Christopher <echristo@apple.com>
2807 * config/darwin.h: Update copyright notice.
2808 * config/i386/darwin.h: Ditto.
2810 2006-12-04 Jan Hubicka <jh@suse.cz>
2812 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2813 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2815 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2817 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2819 * tree-ssa-structalias.c (set_used_smts): Export.
2820 (find_what_p_points_to): Don't call set_used_smts here.
2821 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2823 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2825 * tree-ssa-alias.c (compute_may_aliases):
2826 Compute flow sensitive before flow insensitive.
2827 (compute_flow_sensitive_aliasing): Don't try to add
2828 a symbol memory tag to itself.
2830 * alias.h (alias_set_subset_of): New prototype.
2832 * alias.c (alias_set_subset_of): New function.
2834 * tree-ssa-structalias.c: Update comments.
2835 (struct variable_info): Add finished_solution.
2836 (new_varinfo): Set finished solution to NULL.
2837 (var_escaped_vars): Remove.
2838 (escaped_vars_tree): Remove.
2839 (escaped_vars_id): Remove.
2840 (nonlocal_vars_id): Remove.
2841 (constraint_expr_type): Add INCLUDES.
2842 (graph_size): Removed.
2843 (dump_constraint): Support INCLUDES.
2844 (build_constraint_graph): Ditto.
2845 (collapse_nodes): Add merge_solutions argument.
2846 Don't merge attributes.
2847 (process_unification_queue): Just use collapse_nodes.
2848 (perform_var_substitution): Update call to collapse_nodes.
2849 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2850 (process_constraint): Fix non-field sensitive handling
2852 (get_constraint_for): Use INCLUDES.
2853 (make_constraint_from_anything): Renamed from
2854 make_constraint_from_escaped.
2855 (make_constraint_to_escaped): Removed.
2856 (find_global_initializers): Removed.
2857 (create_variable_info_for): Do not make constraints to escaped
2859 (dump_solution_for_var): Don't print out the equivalent points-to
2860 sets, just use the name of the variable it shares it with.
2861 (intra_create_variable_infos): Use INCLUDES.
2862 Change nonlocal variable sets to anything sets.
2863 (init_base_vars): Remove escaped_vars and nonlocal_var
2865 (find_escape_constraints): Removed.
2866 (delete_points_to_sets): Remove dead code.
2867 (used_smt_calculated): New variable.
2868 (set_used_smts): New function.
2869 (merge_smts_into): New function.
2870 (find_what_p_points_to): Modify to use SMTs.
2871 (create_nonlocal_var): Remove.
2873 * tree-ssa-operands.c (access_can_touch_variable): Remove
2874 reference to nonlocal_all.
2876 * tree-ssa.c (verify_name_tags): Remove.
2878 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2880 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2881 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2883 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2885 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2886 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2887 (add_livein_if_notdef): Delete.
2888 (loe_visit_block): New. Propogate live on entry info for a block into
2889 each predecessor. If it changes, make sure it is visited again.
2890 (live_worklist): Visit every block and update the live on entry info
2891 for preds. Iterate over any that changed.
2892 (set_var_live_on_entry): Populate the live on entry blocks with bits
2893 based on the immediate uses of a var.
2894 (calculate_live_on_entry): Remove.
2895 (calculate_live_on_exit): Calculate live on exit based on the newly
2896 oriented live on entry bits.
2897 (calculate_live_ranges): Build live on entry and exit vectors.
2898 (dump_live_info): Use new orientation of live on entry bitmaps.
2899 (verify_live_on_entry): New. Split out verification code from old
2900 calculate_live_on_entry routine.
2901 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2902 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2903 basic_block instead of for a partition.
2904 (live_merge_and_clear): Add asserts.
2905 (make_live_on_entry): Set partition bit in basic block vector.
2907 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2910 * omp-low.c (expand_omp_for_static_nochunk,
2911 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2915 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2916 parallels if region->exit or region->inner->exit is NULL.
2917 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2919 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2920 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2921 or region->exit is NULL.
2922 (expand_omp_sections): Handle NULL region->cond or region->exit.
2925 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2927 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2928 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2930 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2932 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2933 TYPE_MAX_VALUE for scalar types here but...
2934 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2935 is attached an error mark, and the return value of the callback
2936 if it is not NULL_TREE.
2938 2006-12-04 Ben Elliston <bje@au.ibm.com>
2940 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2942 2006-12-03 Eric Christopher <echristo@apple.com>
2945 * config/t-slibgcc-darwin: Pass -install_name.
2946 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2947 libtool. Only pass through options that the linker recognizes.
2948 (LINK_SPEC): Update comment. Translate options.
2949 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2950 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2952 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2954 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2956 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2959 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2960 operands[1] in insn constraint. Correct type attribute to sselog1.
2962 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2965 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2967 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2968 processor detection.
2970 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2971 -march=native if there is no -mtune=*.
2973 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2976 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2978 * doc/install.texi: Update recommended MPFR version. Remove
2979 obsolete reference to cumulative patch.
2981 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2984 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2986 2006-11-30 Jan Hubicka <jh@suse.cz>
2987 Uros Bizjak <ubizjak@gmail.com>
2989 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2990 32bit memcpy/memset decriptors.
2991 (decide_alg): With -minline-all-stringops and sizes that are best
2992 to be copied via libcall still work hard enough to pick non-libcall
2995 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2997 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2999 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3000 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3001 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3002 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3003 config/spu/spu-c.c, config/spu/spu-modes.def,
3004 config/spu/spu.c, config/spu/spu.md,
3005 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3006 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3007 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3008 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3009 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3010 spelling conventions.
3012 * config/i386/i386.c: Fix a comment typo.
3014 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3016 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3017 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3018 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3019 better optimization.
3020 (floatv4siv4sf2): New.
3021 (fix_truncv4sfv4si2): New.
3022 (floatunsv4siv4sf2): New.
3023 (fixuns_truncv4sfv4si2): New.
3031 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3032 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3033 spu_resolve_overloaded_builtin instead of static inline functions.
3035 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3037 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3038 type instead of the size of its mode to compute the highest and
3039 lowest possible values. Still check the size of the mode before
3040 flipping the signedness of the comparison.
3042 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3044 * config/spu/predicates.md (spu_mov_operand): Add.
3045 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3046 (print_operand_address, print_operand): Handle addresses containing AND.
3047 (spu_split_load, spu_split_store): Use updated movti pattern.
3048 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3049 stores in mov patterns for correct operation of reload.
3050 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3052 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3055 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3057 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3059 * common.opt (ftree-combine-temps): Remove.
3060 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3061 (coalesce_ssa_name): Don't check for combine-temps.
3062 (coalesce_vars): Remove.
3063 (check_replaceable): Use num_imm_uses.
3064 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3065 check for combine-temps.
3066 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3067 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3068 to register_ssa_partition calls.
3069 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3070 (init_var_map, delete_var_map): remove refernces to ref_count.
3071 (create_ssa_var_map): Never calculate a ref count.
3072 (type_var_init): Remove.
3073 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3074 (SSA_VAR_MAP_REF_COUNT): Delete.
3075 (create_ssa_var_map): Change Prototype to have no parameters.
3076 (version_ref_count): Delete.
3077 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3079 (type_var_num, type_var, type_var_first_partition,
3080 type_var_next_partition, type_var_dump, type_var_delete,
3081 type_var_remove_partition, type_var_find, type_var_compact,
3082 type_var_decompact): Remove.
3084 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3086 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3089 2006-12-01 Richard Guenther <rguenther@suse.de>
3092 * dwarf2out.c (struct pubname_struct): Make name const.
3093 (add_pubtype): Do not xstrdup identifiers.
3095 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3097 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3098 multiword accesses are in range.
3100 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3102 PR tree-optimization/29921
3103 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3104 (set_lattice_value): Use canonicalize_float_value.
3106 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3108 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3109 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3110 (spu_cpu_cpp_builtins): Remove.
3111 (spu_override_options): Don't set warn_main.
3112 (spu_force_reg): Move from spu-c.c.
3113 (spu_check_builtin_parm): Likewise.
3114 (expand_builtin_args): Likewise.
3115 (spu_expand_builtin_1): Likewise.
3116 (spu_expand_builtin): Likewise.
3117 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3118 warn_main and targetm.resolve_overloaded_builtin.
3119 * config/spu/spu-c.c (spu_builtin_range): Remove.
3120 (spu_check_builtin_parm): Remove.
3121 (expand_builtin_args): Remove.
3122 (spu_expand_builtin_1): Remove.
3123 (spu_expand_builtin): Remove.
3124 (spu_cpu_cpp_builtins): Moved from spu.c
3125 (spu_force_reg): Remove.
3127 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3128 David Edelsohn <edelsohn@gnu.org>
3131 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3132 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3133 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3134 HARD_REGNO_NREGS_WITH_PADDING): Define.
3135 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3136 HARD_REGNO_NREGS_WITH_PADDING): Define.
3137 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3138 Use new macros to detect modes with holes; do not look at integer
3140 (subreg_offset_representable_p): Check for and disallow cases
3141 where the modes use different numbers of bits from registers.
3142 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3143 constant for soft-float.
3144 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3146 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3147 in E500 double case.
3148 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3149 (movtf_softfloat): New.
3151 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3153 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3154 simplify_gen_subreg.
3156 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3158 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3159 (COALESCE_HASH_FN): New. Define hash function.
3160 (partition_pair_map_hash): New. Hash value for a partition pair.
3161 (partition_pair_map_eq): New. Equality for hash pairs.
3162 (create_coalesce_list): Create hash table.
3163 (delete_coalesce_list): Free hash table.
3164 (find_partition_pair): Find/create pairs in hash table.
3165 (compare_pairs): Sort pairs in ascending order now.
3166 (num_coalesce_pairs): New. Number of pairs in hash table.
3167 (struct partition_pair_iterator): Iterator struct for pair table.
3168 (first_partition_pair): Iterator function for first pair.
3169 (end_partition_pair_p): Iterator function for end of iteration.
3170 (next_partition_pair): Iterator function for next pair.
3171 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3172 (sort_coalesce_list): Sort pairs from hash table into an array.
3173 (pop_best_coalesce): Take pairs from the array.
3174 (dump_coalesce_list): Update to use hash table or sorted array.
3175 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3176 (struct coalesce_list_d): Add hash table related fields.
3178 2006-11-30 Jan Hubicka <jh@suse.cz>
3181 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3182 memmove/bcopy->memcpy conversion.
3184 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3186 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3187 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3188 Default is the largest alignment supported for 32-bit ELF and
3189 representable on a 32-bit host.
3191 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3193 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3195 2006-11-30 Jan Hubicka <jh@suse.cz>
3197 * tree-ssa-operands.h (struct ssa_operands): New.
3198 * tree-flow-inline.h (gimple_ssa_operands): New function.
3199 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3200 * Makefile.in: Remove gt-tree-ssa-operands.h
3201 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3202 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3203 operand_memory, operand_memory_index, ops_active): Remove statics.
3204 (ALLOC_OPTYPE): Update.
3205 (operand_build_sort_virtual): Update.
3206 (ssa_operands_active): Update.
3207 (init_ssa_operands): Update.
3208 (fini_ssa_operands): Update.
3209 (ssa_operand_alloc): Update.
3210 (INITIALIZE_USE): Update.
3211 (finalize_ssa_use_ops): Update.
3212 (finalize_ssa_v_may_def_ops): Update.
3213 (finalize_ssa_vuse_ops): Update.
3214 (finalize_ssa_v_must_def_ops): Update.
3216 2006-11-30 Richard Guenther <rguenther@suse.de>
3218 * tree-vectorizer.h (vectorizable_function): Export.
3219 * tree-vect-transform.c (vectorizable_function): Likewise.
3220 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3221 type_in to scalar type in recognition of squaring.
3222 Make sure the target can vectorize sqrt in recognition
3223 of sqrt, set type_in to vector type in this case.
3225 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3227 * config/i386/i386.md (R10_REG): New constant.
3228 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3229 (ix86_emit_restore_regs_using_mov): Ditto.
3230 (ix86_expand_call): Ditto.
3231 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3233 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3235 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3236 * alias.c (canon_true_dependence): Update comment.
3238 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3240 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3241 at the end of a diagnostics message.
3243 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3244 until after asserting that it was allocated in the right pool.
3246 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3247 successor edge information as well. Make output of live regs
3248 on exit consistent with live regs on entry.
3250 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3253 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3254 insn patterns for TARGET_80387.
3255 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3256 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3257 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3258 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3259 Generate truncxf<mode>2 insn patterns for strict SSE math.
3261 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3263 * config/i386/i386.md (movsf_1): Enable pattern for standard
3264 80387 constants before reload when optimizing for size.
3265 (*movdf_nointeger, *movdf_integer): Ditto.
3266 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3267 80387 constants before reload when not optimizing for size.
3269 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3270 extension of XFmode input operands.
3272 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3274 * config/spu/crt0.c (__dso_handle): Define.
3276 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3278 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3279 when clearing the used flags.
3281 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3283 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3285 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3288 * config/spu/spu.md (extend_compare<mode>): New pattern.
3289 (extend_compare): Change to expand and use the above pattern.
3291 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3293 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3295 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3296 (DFP_INIT_ROUNDMODE): Define.
3297 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3298 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3300 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3302 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3303 Update documentation.
3304 (associate_line_notes_with_blocks): Kill.
3305 (extend_bb): Remove basic block argument, put void instead.
3306 Remove line number handling for each bb.
3307 (save_line_notes): Kill.
3308 (restore_line_notes): Kill.
3309 (sched_init): Remove line_note_head initialization.
3310 Change extend_bb call.
3311 (sched_finish): Remove free of line_note_head.
3312 (add_block): Change extend_bb call.
3313 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3314 rm_line_notes and restore_line_notes calls.
3315 (schedule_ebbs): Remove rm_redundant_line_notes.
3316 * sched-int.h (struct haifa_insn_data): Remove line_note.
3317 (save_line_notes): Remove declaration.
3318 (restore_line_notes): Remove declaration.
3319 * modulo-sched.c (loop_canon_p): Update debug info printing
3320 by using insn locators instead of line note.
3321 (sms_schedule): Update debug info printing, by using insn
3322 locators instead of line note.
3323 * sched-rgn.c (debug_dependencies): Remove handling of case
3324 n>0 (line number), since it's a dead code.
3325 (schedule_region): Remove save_line_notes and
3326 restore_line_notes calls.
3328 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3330 * config/rs6000/predicates.md (gpc_reg_operand): Check
3331 invalid_e500_subreg.
3332 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3333 SImode subregs of SPE vectors.
3334 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3335 * jump.c (true_regnum): Require subregs to satisfy
3336 subreg_offset_representable_p.
3338 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3339 Steven Bosscher <stevenb.gcc@gmail.com>
3341 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3342 since it no longer exists.
3344 2006-11-29 Duncan Sands <baldrick@free.fr>
3346 PR tree-optimization/23744
3347 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3349 2006-11-29 Duncan Sands <baldrick@free.fr>
3351 PR tree-optimization/23744
3352 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3354 2006-11-29 Duncan Sands <baldrick@free.fr>
3356 PR tree-optimization/23744
3357 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3359 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3361 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3363 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3365 * sh.opt (minline-ic_invalidate): New option.
3366 (musermode): Adjust comment.
3367 * sh.c (sh_initialize_trampoline): Emit library call unless
3368 is set; if it is set, don't emit library call if we can use icbi
3370 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3371 icbi for TARGET_SH4_300.
3372 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3373 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3374 -musermode documentation.
3376 2006-11-29 Jim Tison <jtison@us.ibm.com>
3378 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3379 __gthread_recursive_mutex_init): Define.
3381 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3383 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3384 STRICT_ALIGNMENT and the type is more aligned than the saved
3385 registers, copy via a temporary.
3387 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3390 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3393 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3395 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3397 2006-11-28 Jan Hubicka <jh@suse.cz>
3399 Privatize SSA variables into gimple_df.
3400 * tree-flow-inline.h
3401 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3402 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3403 gimple_nonlocal_all): New accessors.
3404 (first_referenced_var): Update.
3405 (mark_stmt_modified): Update.
3406 (is_call_clobbered): Update.
3407 (mark_call_clobbered): Update.
3408 (clear_call_clobbered): Update.
3409 (mark_non_addressable): Update.
3410 * tree-vrp.c (get_value_range): Update.
3411 * tree-into-ssa.c (in_ssa_p): Kill.
3412 (get_default_def_for): Update.
3413 (rewrite_into_ssa): Update.
3414 * tree-complex.c (init_parameter_lattice_values): Update.
3415 (update_complex_assignment): Update.
3416 (update_parameter_components): Update.
3417 (expand_complex_libcall): Update.
3418 (expand_complex_operations_1): Update.
3419 * tree-tailcall.c (arg_needs_copy_p): Update.
3420 (add_virtual_phis): Update.
3421 (tree_optimize_tail_calls_1): Update.
3422 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3423 * tree-ssa-copyrename.c
3424 (copy_rename_partition_coalesce): Update.
3425 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3426 * tree-ssa-propagate.c (set_rhs): Update.
3427 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3428 addressable_vars, global_var):Kill.
3429 (set_initial_properties): Update.
3430 (init_alias_info): Update.
3431 (finalize_ref_all_pointers): Update.
3432 (setup_pointers_and_addressables): Update.
3433 (maybe_create_global_var): Update.
3434 (create_global_var): Update.
3435 (dump_points_to_info): Update.
3436 * function.h (struct gimple_df): Forward declare.
3437 (struct function): Add GIMPLE_DF field.
3438 * gimplify.c (force_gimple_operand): Update.
3439 * tree-dfa.c (referenced_vars, default_defs): KIll.
3440 (make_rename_temp): Update.
3441 (dump_variable): Update.
3442 (referenced_var_lookup): Update.
3443 (referenced_var_check_and_insert): Update.
3444 (default_def): Rename to ...
3445 (gimple_default_def): ... this one; accept cfun argument.
3446 (set_default_def): Update.
3447 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3448 (cleanup_control_flow): Update.
3449 * tree-ssa-pre.c (compute_avail): Update
3450 * tree-ssa-live.c (calculate_live_on_entry): Update.
3451 * tree-ssa.c (verify_use): Update.
3452 (verify_call_clobbering): Update.
3453 (verify_call_clobbering): Update.
3454 (init_tree_ssa): Update.
3455 (delete_tree_ssa): Update.
3456 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3457 (rewrite_out_of_ssa): Update.
3458 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3459 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3461 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3462 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3463 addressable_vars, aliases_computed_p): Kill.
3464 (default_def): Rename to...
3465 (gimple_default_def): ... this one.
3466 (defaule_def_fn): Kill.
3467 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3468 * tree-ssa-structalias.c (nonlocal_all): Kill.
3469 (get_constraint_exp_from_ssa_var): Update.
3470 (create_nonlocal_var): Update.
3471 (get_constraint_for): Update.
3472 (update_alias_info): Update.
3473 (find_global_initializers): Update.
3474 (intra_create_variable_infos): Update.
3475 (intra_create_variable_infos):
3476 (find_what_p_points_to): Update.
3477 (init_alias_heapvars): Update.
3478 * tree-cfg.c (remove_bb): Update.
3479 (gimplify_val): Update.
3480 * tree-ssa-reassoc.c (get_rank): Update.
3481 (init_reassoc): Update.
3482 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3483 (ssa_names, free_ssanames): Kill.
3484 (init_ssanames): Update.
3485 (make_ssa_name): Update.
3486 (release_ssa_name): Update.
3487 (release_defs): Update.
3488 (replace_ssa_name_symbol): Update.
3489 * tree-ssa-operands.c (access_can_touch_variable): Update.
3490 (add_virtual_operand): Update.
3491 (add_call_clobber_ops): Update.
3492 (add_call_read_ops): Update.
3493 (get_call_expr_operands): Update.
3494 (get_asm_expr_operands): Update.
3496 2006-11-28 Jan Hubicka <jh@suse.cz>
3498 * builtins.c: Include tree-flow.h.
3499 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3500 assignment; convert memmove to memcpy for sizes greater than 1 where
3501 alignment of operands prohibit the partial overlap.
3503 2006-11-28 Jan Hubicka <jh@suse.cz>
3505 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3506 * cgraph.c (dump_cgraph_node): Dump stack usage.
3507 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3508 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3509 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3510 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3511 (cgraph_check_inline_limits): Limit stack growth.
3512 * cfgexpand.c: Include tree-inline.h.
3513 (account_stack_vars): New function.
3514 (expand_one_var): New param to just account the stack; return estimated
3516 (expand_used_vars_for_block): Update call of expand_one_var.
3517 (account_used_vars_for_block): New function.
3518 (estimated_stack_frame_size): Likewise.
3519 (init_vars_expansion, fini_vars_expansion): Break out from..
3520 (expand_used_vars): ... here.
3521 * tree-inline.h (estimated_stack_frame_size): Declare.
3522 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3524 2006-11-28 Richard Guenther <rguenther@suse.de>
3526 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3527 unsigned long for printing OBJECT_SIZE.
3529 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3531 * alias.c (init_alias_analysis): Remove simplification loop
3532 after propagating pointers.
3534 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3536 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3539 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3541 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3543 2006-11-27 Roger Sayle <roger@eyesopen.com>
3544 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3546 * c-common.c (constant_fits_type_p): Delete.
3547 (unsigned_conversion_warning): Delete.
3548 (conversion_warning): Integrate Wconversion warning from
3549 unsigned_conversion_warning.
3550 (convert_and_check): Integrate Woverflow warning from
3551 unsigned_conversion_warning. Reorganize and simplify to avoid
3552 dependence upon the middle-end setting TREE_OVERFLOW on integral
3553 conversions, by using int_fits_type_p directly.
3555 2006-11-27 Tobias Burnus <burnus@net-b.de>
3557 * doc/invoke.texi: Fixed typo.
3559 2006-11-27 Michael Matz <matz@suse.de>
3560 Andreas Krebbel <krebbel1@de.ibm.com>
3563 * config/s390/predicates.md (larl_operand): Check addend of larl
3564 operand to be in range of -/+2GB.
3565 * config/s390/s390.c (legitimize_pic_address): Likewise.
3566 Changed type of variable even to HOST_WIDE_INT.
3568 2006-11-27 Jan Hubicka <jh@suse.cz>
3570 * expr.c (emit_block_move_via_libcall): Export.
3571 (clear_storage_via_libcall): Rename to ...
3572 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3573 (clear_storage): Update to set_storage_via_libcall.
3574 * expr.h (emit_block_move_via_libcall): Declare
3575 * config/i386/i386.h (stringop_alg): New enum.
3576 (MAX_STRINGOP_ALGS): New constant.
3577 (stringop_algs): New struct.
3578 (processor_costs): Add memcpy/memset descriptors.
3579 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3580 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3581 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3583 * config/i386/i386.opt (minline-stringops-dynamically,
3584 mstringop-strategy): New
3586 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3587 (ix86_expand-clrmem): Rename to ...
3588 (ix86_expand_setmem): ... this one; update prototype.
3589 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3590 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3591 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3592 nocona_cost, core2_cost, generic_cost, generic64_cost,
3593 generic32_cost): Add memcpy/memset descriptors.
3594 (x86_rep_movl_optimal): Remove.
3595 (stringop_alg): New static variable.
3596 (ix86_expand_aligntest): Handle predictions.
3597 (override_options): Add strgop_alg handling.
3598 (predict_jump): New function.
3599 (scale_counter): New function.
3600 (expand_set_or_movmem_via_loop): New function.
3601 (expand_movmem_via_rep_mov): New function.
3602 (expand_setmem_via_rep_stots): New function.
3603 (emit_strmov): New function.
3604 (expand_movmem_epilogue): New function.
3605 (expand_setmem_epilogue_via_loop): New function.
3606 (expand_setmem_epilogue): New function.
3607 (expand_movmem_prologue): New function.
3608 (expand_setmem_prologue): New function.
3609 (decide_alg): New function.
3610 (decide_alignment): New function.
3611 (ix86_exand_movmem): Rewrite.
3612 (promote_duplicated_reg): New function.
3613 (ix86_expand_clrmem): Rename to ...
3614 (ix86_expand_setmem): ... this one. Rewrite.
3616 * invoke.texi (minline-stringops-dynamically): New command line option.
3617 (mstringop-strategy): Likewise.
3619 2006-11-27 Jan Hubicka <jh@suse.cz>
3621 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3622 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3623 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3624 * insn-notes.def (FUNCTION_END): Remove.
3625 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3626 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3628 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3629 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3630 * cfglayout.c (duplicate_insn_chain): Don't worry about
3633 2006-11-27 Richard Guenther <rguenther@suse.de>
3634 Zdenek Dvorak <dvorakz@suse.cz>
3636 * target.h (struct gcc_target): Add builtin_vectorized_function
3638 * target-def.h (TARGET_VECTORIZE): Likewise.
3639 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3640 Document new target hook.
3641 * targhooks.h (default_builtin_vectorized_function): Declare.
3642 * targhooks.c (default_builtin_vectorized_function): Define.
3643 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3644 (vectorizable_call): Declare.
3645 * tree-vect-analyze.c (vect_analyze_operations): Call
3647 * tree-vect-transform.c (vectorizable_function): New static function.
3648 (build_vectorized_function_call): Likewise.
3649 (vectorizable_call): New function.
3650 (vect_transform_stmt): Handle vectorizable calls.
3652 2006-11-27 Richard Guenther <rguenther@suse.de>
3655 * builtins.c (expand_builtin_pow): Optimize non integer valued
3656 constant exponents using sqrt or cbrt if possible. Always fall back
3657 to expanding via optabs.
3659 2006-11-27 Ira Rosen <irar@il.ibm.com>
3661 PR tree-optimization/22372
3662 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3663 the type of the base address.
3664 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3665 it in the data-ref pointer creation.
3666 (vect_init_vector): Add an argument, type of the init vector. Use it in
3668 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3669 (get_initial_def_for_reduction): Likewise.
3670 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3672 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3673 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3674 correct type in stmt creation.
3675 (vect_setup_realignment): Use the correct type in stmt creation.
3676 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3678 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3679 of MODIFY_EXPR to void_type_node.
3680 (vectorizable_condition): Change type of MODIFY_EXPR to
3682 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3685 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3688 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3689 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3690 standard 80387 constants, raise the cost to prevent
3691 compress_float_constant() to generate load from memory.
3693 * config/i386/i386.md: Add new splitter pattern to split
3694 float_extended load of constant from constant pool into
3697 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3699 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3700 section to general section. Remove documentation for
3701 --with-mpfr-dir and --with-gmp-dir, add documentation for
3702 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3705 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3707 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3709 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3711 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3713 PR tree-optimization/29122
3714 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3715 for the new version. Assign NULL to DECL_RTL of the new version.
3717 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3719 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3721 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3723 * cse.c (cse_altered): Remove.
3724 (record_jump_equiv): Make true/false argument a bool instead
3726 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3727 where appropriate. Emit a new jump before the existing one
3728 instead of after so that delete_insn_and_edges removes the
3729 dead edges properly. Check any_condjump_p before calling
3731 (cse_basic_block): Check any_condjump_p before calling
3733 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3735 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3737 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3738 -ffixed-line-length-* options.
3740 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3742 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3743 (fprem1xf4): Rename to fprem1xf4_i387.
3745 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3746 Rename patterns to fmod<mode>3. Use general_operand operand
3747 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3748 patterns for SSE math.
3749 (remaindersf3, remainderdf3): Ditto.
3751 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3753 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3754 inside start_sequence / end_sequence pair.
3756 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3758 * jump.c (mark_all_labels): Work in cfglayout mode.
3759 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3760 when in cfglayout mode, because there are no dead jumptables
3762 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3764 (commit_edge_insertions): Do not allow insertion of instructions
3765 with control flow insns when in cfglayout mode.
3767 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3769 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3771 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3772 unswitch_loop): Ditto.
3773 * tree-loop-linear.c (linear_transform_loops): Ditto.
3774 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3775 tree_ssa_lim): Ditto.
3776 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3777 free_numbers_of_iterations_estimates): Ditto.
3778 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3779 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3780 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3781 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3782 place_new_loop, duplicate_loop, duplicate_subloops,
3783 update_single_exit_for_duplicated_loops, copy_loops_to,
3784 duplicate_loop_to_header_edge, create_preheaders,
3785 force_single_succ_latches, loop_version, fix_loop_structure):
3787 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3788 tree_unroll_loop): Ditto.
3789 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3790 * tree-scalar-evolution.c (select_loops_exit_conditions,
3791 scev_initialize, scev_analysis): Ditto.
3792 * tree-scalar-evolution.h (scev_initialize): Ditto.
3793 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3794 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3795 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3796 * modulo-sched.c (sms_schedule): Ditto.
3797 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3798 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3799 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3800 * ifcvt.c (if_convert): Ditto.
3801 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3802 canonicalize_loop_induction_variables,
3803 canonicalize_induction_variables,
3804 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3805 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3806 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3807 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3808 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3809 tree_ssa_loop_done): Ditto.
3810 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3811 estimate_bb_frequencies): Ditto.
3812 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3813 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3814 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3815 decide_unrolling_and_peeling, peel_loop_completely,
3816 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3817 peel_loop_simple, unroll_loop_stupid): Ditto.
3818 * loop-doloop.c (doloop_optimize_loops): Ditto.
3819 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3820 * loop-invariant.c (move_loop_invariants): Ditto.
3821 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3822 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3823 tree_ssa_prefetch_arrays): Ditto.
3824 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3826 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3827 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3828 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3829 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3830 verify_loop_structure): Ditto.
3831 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3832 canonicalize_induction_variables, tree_unroll_loops_completely,
3833 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3834 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3835 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3836 tree_unroll_loop, linear_transform_loops): Declaration changed.
3837 * basic-block.h: Remove declaration of struct loops.
3838 * cfghooks.h (struct cfg_hooks): Change type of
3839 cfg_hook_duplicate_loop_to_header_edge.
3840 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3841 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3842 vect_transform_loop): Declaration changed.
3843 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3844 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3845 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3846 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3847 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3848 loopify, loop_version, remove_path, unswitch_loops,
3849 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3850 Declaration changed.
3852 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3854 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3855 (X87MODEF): New mode macro.
3856 (ssemodefsuffix): New mode attribute.
3857 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3858 (sqrt_extend<mode>xf2_i387): New insn pattern.
3859 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3860 insn and truncate result back to original mode using
3861 UNSPEC_TRUNC_NOOP truncation.
3862 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3863 ssemodefsuffix mode attribute.
3864 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3865 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3866 (*sqrtextenddfxf2_i387): Remove insn patterns.
3868 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3869 truncation patterns.
3871 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3873 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3876 * c-tree.h (c_maybe_initialize_eh): New prototype.
3877 * c-decl.c (finish_decl): Move EH initialization...
3878 (c_maybe_initialize_eh): ... here. New function.
3879 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3880 if not #pragma omp atomic.
3883 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3884 or UNION_TYPE inner types.
3886 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3889 * ipa-pure-const.c (check_tree): If the original tree
3890 is volatile return early and say the function is not pure
3891 nor const. Remove the volatile check for writes.
3892 (analyze_function): Print out the result of the local
3895 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3897 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3899 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3900 * config/rs6000/rs6000.c (rs6000_override_options): Use
3901 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3904 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3906 * config/s390.c (s390_emit_compare_and_swap): New function.
3907 (s390_expand_cs_hqi, s390_expand_atomic): Call
3908 s390_emit_compare_and_swap.
3910 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3912 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3914 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3918 * c-common.c (conversion_warning): New.
3919 (convert_and_check): Call conversion_warning unless there is an
3921 * doc/invoke.texi (-Wconversion): Update description.
3923 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3925 * tree-ssa-alias.c (tree_pointer_compare): New function.
3926 (compact_name_tags): New function.
3927 (group_aliases): Call compact_name_tags.
3929 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3931 * real.h (real_isinteger): Declare.
3932 * real.c (real_isinteger): Define.
3933 * builtins.c (integer_valued_real_p): Use it.
3935 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3938 * c.opt (Wtraditional-conversion): New.
3939 (Wconversion): Update description.
3940 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3941 type conversions different from what would happen in the absence
3942 of prototype are now handled by Wtraditional-conversion.
3943 * doc/invoke.texi (Wtraditional-conversion): New.
3944 (Wconversion): Update description.
3945 * doc/trouble.texi (Wconversion): Replace Wconversion by
3946 Wtraditional-conversion.
3948 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3950 * predict.c (tree_estimate_probability): Check to make
3951 sure current_loops is non null before calling flow_loops_dump.
3953 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3955 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3957 2006-11-23 David Ung <davidu@mips.com>
3959 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3961 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3962 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3963 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3964 high part of FP register when in 64-bit FP register mode. Similarly
3965 use gen_mfhc1 to load high part of FP register.
3966 (override_options): Allow -mgp32 and -mfp64 combination if
3967 ISA_HAS_MXHC1 (currently for O32 only).
3968 (mips_cannot_change_mode_class): If floating-point registers are
3969 bigger than word size. disallow conversion of float register from a
3970 large integer mode to a float mode smaller than the float register
3972 (mips_class_max_nregs): Handle float registers case seperately.
3973 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3975 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3976 (movdf_hardfloat_32bit): Similarly.
3977 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3978 support a full 64-bit fpu.
3979 (mthc1): New pattern to generate MTHC1 instruction.
3980 (mfhc1): New pattern to generate MFHC1 instruction.
3981 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3982 option for the MIPS32R2 and mention its use under O32 ABI.
3984 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3986 * var-tracking.c (emit_note_insn_var_location): Take care not to
3987 cause verify_flow_info failures.
3989 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3991 * tree-ssa-structalias.c: Remove edge weights in favor of just
3992 processing them as complex constraints.
3993 (struct constraint_graph): Remove weighted succs and preds. Rename
3994 nonweighted succs and preds.
3995 (constraint_edge): Removed.
3996 (constraint_edge_t): Ditto.
3997 (constraint_edge_pool): Ditto.
3998 (new_constraint_edge): Ditto.
3999 (constraint_edge_equal): Ditto.
4000 (constraint_edge_less): Ditto.
4001 (constraint_edge_vec_find): Ditto.
4002 (erase_self_graph_edge): Ditto.
4003 (add_graph_edge): Removed.
4004 (get_graph_weights): Ditto.
4005 (allocate_graph_weights): Ditto.
4006 (valid_weighted_graph_edge): Ditto
4007 (bitmap_other_than_zero_bit_set): Ditto.
4008 (int_add_graph_edge): Renamed to add_graph_edge.
4009 (clear_edges_for_node): Remove support for weighted edges.
4010 (merge_graph_nodes): Ditto.
4011 (valid_graph_edge): Ditto.
4012 (build_constraint_graph): Ditto.
4014 (collapse_nodes): Ditto.
4015 (process_unification_queue): Ditto.
4016 (topo_visit): Ditto.
4017 (do_ds_constraint): Ditto.
4018 (perform_var_subsitution): Ditto.
4019 (solve_graph): Ditto.
4020 (init_alias_vars): Ditto.
4021 (delete_points_to_sets): Ditto.
4022 (do_complex_constraint): Support offsetted copies here.
4024 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4026 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4028 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4030 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4033 2006-11-23 Ben Elliston <bje@au.ibm.com>
4035 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4037 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4039 PR tree-optimization/29921
4040 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4041 signed and unsigned zero equal.
4043 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4045 * config/rs6000/rs6000.c (get_store_dest): New.
4046 (adjacent_mem_locations): Use get_store_dest() to get
4047 the rtl of the store destination.
4049 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4051 * config/rs6000/spe.md (SPE64): New mode macro.
4052 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4054 (mov_si<mode>_e500_subreg0_2): New.
4055 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4057 (mov_si<mode>_e500_subreg4_2): New.
4058 * config/rs6000/predicates.md (input_operand): Do not allow
4059 invalid E500 subregs.
4060 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4062 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4063 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4064 involving vector modes if TARGET_SPE.
4066 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4069 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4070 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4072 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4074 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4075 mem_i_address_operand): New predicates.
4076 * config/bfin/bfin.c (bfin_issue_rate): New function.
4077 (TARGET_SCHED_ISSUE_RATE): New macro.
4078 * config/bfin/bfin.md (addrtype): New attribute.
4079 (slot0, slot1, slot2, store, pregs): New cpu_units.
4080 (core): Now a define_reservation.
4081 (alu): Remove some insn types from this reservation.
4082 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4084 (dummy reservation): Don't trigger for mcld insns.
4085 (absence_sets): Two new absence sets to enforce slot ordering.
4086 (popsi_insn): Set addrtype.
4088 2006-11-22 Ira Rosen <irar@il.ibm.com>
4090 * doc/c-tree.texi: Document new tree codes.
4091 * doc/md.texi: Document new optabs.
4092 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4094 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4095 * optabs.h (optab_index): Add new.
4096 (vec_extract_even_optab, vec_extract_odd_optab,
4097 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4098 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4099 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4101 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4102 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4103 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4104 along with macros for their access.
4105 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4107 * tree-vect-analyze.c (toplev.h): Include.
4108 (vect_determine_vectorization_factor): Fix indentation.
4109 (vect_insert_into_interleaving_chain,
4110 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4111 (vect_analyze_data_ref_dependence): Add argument for interleaving
4112 check. Check for interleaving if it's true.
4113 (vect_check_dependences): New function.
4114 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4115 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4116 (vect_update_misalignment_for_peel): Update for interleaving.
4117 (vect_verify_datarefs_alignment): Check only first data-ref for
4119 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4120 only first data-ref for interleaving.
4121 (vect_analyze_data_ref_access): Check interleaving, update
4123 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4124 with different parameters.
4125 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4126 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4127 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4128 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4129 Update step in case of interleaving.
4130 (vect_strided_store_supported, vect_permute_store_chain): New
4132 (vectorizable_store): Handle strided stores.
4133 (vect_strided_load_supported, vect_permute_load_chain,
4134 vect_transform_strided_load): New functions.
4135 (vectorizable_load): Handle strided loads.
4136 (vect_transform_stmt): Add argument. Handle strided stores. Check
4137 that vectorized stmt exists for patterns.
4138 (vect_gen_niters_for_prolog_loop): Update calculation for
4140 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4141 whole chain vectorization.
4142 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4143 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4144 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4145 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4146 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4148 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4150 * cse.c (enum taken): Remove PATH_AROUND.
4151 (addr_affects_sp_p, invalidate_skipped_set,
4152 invalidate_skipped_block): Remove.
4153 (cse_end_of_basic_block): Remove skip_blocks and related code.
4154 (cse_main): Don't test for flag_cse_skip_blocks.
4155 Update cse_end_of_basic_block call.
4156 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4157 code to lengthen the path if a jump was simplified.
4159 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4161 PR rtl-optimization/29924
4162 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4163 (unroll_loop_runtime_iterations): Assert that the argument passed to
4164 split_edge_and_insert is not NULL.
4165 * loop-doloop.c (add_test): Ditto.
4167 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4169 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4171 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4172 * cfgloopmanip.c (update_single_exits_after_duplication,
4173 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4174 * tree-scalar-evolution.c (get_loop_exit_condition,
4175 get_exit_conditions_rec, loop_closed_phi_def,
4176 number_of_iterations_in_loop, scev_const_prop): Ditto.
4177 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4178 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4180 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4182 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4183 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4184 slpeel_make_loop_iterate_ntimes,
4185 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4186 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4188 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4189 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4190 vect_analyze_loop_form): Ditto.
4191 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4192 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4193 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4194 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4195 vect_transform_loop): Ditto.
4196 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4197 (single_exit, set_single_exit): New functions.
4198 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4199 (single_exit, set_single_exit): Declare.
4200 * doc/loop.texi: Undocument single_exit field. Document single_exit
4203 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4205 PR tree-optimization/29902
4206 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4207 any involved ssa name appears in abnormal phi node.
4209 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4211 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4212 (xtensa_const_ok_for_letter_p): Delete.
4213 (xtensa_extra_constraint): Delete.
4214 (override_options): Delete xtensa_char_to_class initialization.
4215 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4216 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4217 (EXTRA_CONSTRAINT): Delete.
4218 * config/xtensa/xtensa.md: Include constraints.md.
4219 (call_internal): Combine alternatives.
4220 (call_value_internal): Likewise, and remove invalid constraints.
4221 * config/xtensa/constraints.md: New file.
4222 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4223 (xtensa_extra_constraint): Delete.
4224 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4227 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4229 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4230 of conversion that doesn't fit.
4232 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4233 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4234 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4236 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4238 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4240 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4242 2006-11-21 Richard Guenther <rguenther@suse.de>
4244 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4245 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4246 vect_recog_pow_pattern.
4247 (vect_recog_pow_pattern): New function.
4249 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4251 * config/bfin/bfin.opt (mstack-check-l1): New.
4252 * doc/invoke.texi (Blackfin Options): Document it.
4253 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4254 stack bounds in L1 memory if the new option is enabled.
4255 (override_options): Don't allow combinations of -fstack-limit and
4257 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4260 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4262 (bfin_register_move_cost): Bump costs if trying to move plain
4263 integer values through accumulators.
4265 2006-11-21 Ben Elliston <bje@au.ibm.com>
4267 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4269 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4270 Russell Olsen <Russell_Olsen@playstation.sony.com>
4271 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4272 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4273 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4274 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4275 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4277 * config.gcc: Add target for SPU.
4278 * config/spu/constraints.md: New file.
4279 * config/spu/crt0.c: New file.
4280 * config/spu/crtend.c: New file.
4281 * config/spu/crti.asm: New file.
4282 * config/spu/crtn.asm: New file.
4283 * config/spu/float_unsdidf.c: New file.
4284 * config/spu/float_unssidf.c: New file.
4285 * config/spu/predicates.md: New file.
4286 * config/spu/spu-builtins.def: New file.
4287 * config/spu/spu-builtins.h: New file.
4288 * config/spu/spu-builtins.md: New file.
4289 * config/spu/spu-c.c: New file.
4290 * config/spu/spu-elf.h: New file.
4291 * config/spu/spu-modes.def: New file.
4292 * config/spu/spu-protos.h: New file.
4293 * config/spu/spu.c: New file.
4294 * config/spu/spu.h: New file.
4295 * config/spu/spu.md: New file.
4296 * config/spu/spu.opt: New file.
4297 * config/spu/spu_internals.h: New file.
4298 * config/spu/spu_intrinsics.h: New file.
4299 * config/spu/spu_mfcio.h: New file.
4300 * config/spu/t-spu-elf: New file.
4301 * config/spu/vec_types.h: New file.
4302 * config/spu/vmx2spu.h: New file.
4303 * doc/contrib.texi: Document SPU contributor.
4304 * doc/extend.texi: Document SPU extensions.
4305 * doc/invoke.texi: Document SPU options.
4306 * doc/md.texi: Document SPU constraints.
4308 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4310 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4312 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4314 (flow_loop_dump): Do not dump loop level.
4315 (flow_loops_find): Do not call flow_loops_level_compute.
4316 * cfgloop.h (struct loop): Remove level field.
4318 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4320 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4321 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4322 Use vector of edges instead of array.
4323 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4324 estimate_numbers_of_iterations_loop): Ditto.
4325 * predict.c (predict_loops): Ditto.
4326 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4327 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4329 * basic-block.h: Declare heap allocation for edge vectors.
4330 * tree-outof-ssa.c: Ditto.
4331 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4332 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4334 2006-11-20 Zack Weinberg <zackw@panix.com>
4336 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4337 Add another out parameter, "skip".
4338 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4339 is tagged "skip", do not mark its type used.
4341 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4344 * tree-sra.c (single_scalar_field_in_record_p): New function.
4345 (decide_block_copy): Use it.
4347 2006-11-20 David Daney <ddaney@avtrex.com>
4349 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4350 PC to point to following instruction.
4352 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4356 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4358 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4360 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4362 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4363 Add sh/superh.h to tm_file.
4365 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4366 Mark Mitchell <mark@codesourcery.com>
4368 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4370 (cpp_relocated): New function.
4371 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4373 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4374 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4375 replace configured prefix with gcc_exec_prefix.
4377 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4379 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4380 bfin_legitimate_constant_p.
4381 * config/bfin/bfin.md (movsi expander): Check return value of
4383 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4384 (expand_move): Adjust prototype.
4385 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4386 invalid constants specially.
4387 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4389 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4391 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4392 sibcall_value_symbol): Allow these patterns if
4393 TARGET_LEAF_ID_SHARED_LIBRARY.
4394 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4395 (override_options): Turn on id shared library flags if -msep-data,
4396 but disallow the combination of these options on the command line.
4397 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4398 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4399 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4400 -mid-shared-library.
4401 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4402 * doc/invoke.texi (Blackfin Options): Document new switches.
4404 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4405 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4407 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4408 inflate costs for addresses with an out-of-bounds address.
4410 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4413 * fwprop.c (loops): Remove.
4414 (forward_propagate_into): Use current_loops instead of
4416 (fwprop_init): Call loop_optimizer_init instead of
4418 (fwprop_done): Call loop_optimizer_finalize instead of
4420 (fwprop): Use current_loops instead of loops.
4422 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4425 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4427 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4430 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4431 larger than BITS_PER_WORD.
4433 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4437 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4438 to MAX_FIXED_MODE_SIZE.
4440 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4442 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4443 (fold_builtin_fmin_fmax): New.
4444 (fold_builtin_1): Use it.
4446 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4448 2006-11-18 Richard Guenther <rguenther@suse.de>
4450 * config/i386/i386.c (ix86_builtins): New array for ix86
4451 builtin function decls.
4452 (def_builtin): New function.
4453 (def_builtin_const): Likewise.
4454 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4456 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4458 * doc/invoke.texi (core2): Add item.
4460 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4462 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4463 (TARGET_CPU_DEFAULT_generic): Change value.
4464 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4465 (processor_type): Add new constant PROCESSOR_CORE2.
4467 * config/i386/i386.md (cpu): Add core2.
4469 * config/i386/i386.c (core2_cost): New initialized variable.
4470 (m_CORE2): New macro.
4471 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4472 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4473 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4474 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4475 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4476 x86_accumulate_outgoing_args, x86_prologue_using_move,
4477 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4478 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4479 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4480 x86_pad_returns): Add m_CORE2.
4481 (override_options): Add entries for Core2.
4482 (ix86_issue_rate): Add case for Core2.
4484 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4486 * doc/invoke.texi: Fix mno-isel typo.
4488 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4490 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4491 easy vector constant loads.
4493 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4495 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4496 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4497 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4498 * config/rs6000/sync.md (lwsync): Emit plain sync if
4501 2006-11-17 DJ Delorie <dj@redhat.com>
4503 * reload1.c (reloads_unique_chain): New.
4504 (reloads_conflict): Call it.
4506 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4508 * config/xtensa/predicates.md (addsubx_operand): New.
4509 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4510 (xtensa_emit_bit_branch): New.
4511 (xtensa_emit_movcc): New.
4512 * config/xtensa/xtensa.md (any_minmax): New code macro.
4513 (minmax): New code attribute.
4514 (any_cond, any_scc, any_scc_sf): New code macros.
4515 (*addx2, *addx4, *addx8): Delete.
4517 (*subx2, *subx4, *subx8): Delete.
4519 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4520 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4521 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4522 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4523 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4524 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4525 (movsfcc_internal0, movsfcc_internal1): Likewise.
4526 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4527 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4528 (xtensa_emit_bit_branch): New.
4529 (xtensa_emit_movcc): New.
4530 (function_arg_boundary): Add missing prototype.
4532 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4534 * config/xtensa/xtensa.md (tstsi): Delete
4536 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4538 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4540 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4542 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4544 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4546 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4548 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4550 * tree-vrp.c (execute_vrp): Do not update current_loops.
4551 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4552 * doc/loop.texi: Remove documentation for cancelled functions.
4553 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4554 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4556 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4557 (remove_path): Ensure that in delete_basic_blocks, the loops
4558 are still allocated.
4559 (add_loop): Work on valid loop structures.
4560 (loopify): Modify call of add_loop.
4561 (mfb_update_loops): Removed.
4562 (create_preheader): Do not update loops explicitly.
4563 (force_single_succ_latches, loop_version): Do not use
4564 loop_split_edge_with.
4565 (loop_split_edge_with): Removed.
4566 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4567 Do not use bsi_insert_on_edge_immediate_loop.
4568 (split_loop_exit_edge, tree_unroll_loop): Do not use
4569 loop_split_edge_with.
4570 (bsi_insert_on_edge_immediate_loop): Removed.
4571 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4572 use loop_split_edge_with.
4573 * cfghooks.c: Include cfgloop.h.
4574 (verify_flow_info): Verify that loop_father is filled iff current_loops
4576 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4577 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4579 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4581 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4582 loop_split_edge_with.
4583 (sms_schedule): Use current_loops.
4584 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4585 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4587 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4588 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4589 * ifcvt.c (if_convert): Ditto.
4590 * predict.c (predict_loops): Do not clear current_loops.
4591 (tree_estimate_probability): Use current_loops.
4592 (propagate_freq): Receive head of the region to propagate instead of
4594 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4595 (estimate_loops): New function. Handle case current_loops == NULL.
4596 (estimate_bb_frequencies): Do not allocate tovisit. Use
4598 * tree-ssa-loop.c (current_loops): Removed.
4599 (tree_loop_optimizer_init): Do not return loops.
4600 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4601 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4602 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4603 Do not update loops explicitly.
4604 * function.h (struct function): Add x_current_loops field.
4605 (current_loops): New macro.
4606 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4607 * loop-unroll.c (split_edge_and_insert): New function.
4608 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4609 use loop_split_edge_with.
4610 * loop-doloop.c (add_test, doloop_modify): Ditto.
4611 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4612 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4613 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4614 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4616 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4617 (flow_loops_free): Do not free dfs_order and rc_order.
4618 (flow_loops_find): Do not set dfs_order and rc_order in loops
4619 structure. Do not call loops and flow info verification.
4620 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4621 already belongs to some loop.
4622 * cfgloop.h (struct loops): Remove struct cfg.
4623 (current_loops, loop_split_edge_with): Declaration removed.
4624 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4625 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4626 Declaration removed.
4627 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4628 * basic-block.h (split_edge_and_insert): Declare.
4629 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4631 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4633 PR tree-optimization/29801
4634 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4635 (get_default_value): Use get_symbol_constant_value.
4636 (set_lattice_value): ICE when the value of the constant is
4638 (visit_assignment): Ignore VDEFs of read-only variables.
4640 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4642 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4644 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4645 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4647 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4649 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4650 select subvars of var.
4652 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4655 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4656 optimize if DEF doesn't have integral type.
4658 2006-11-16 Mike Stump <mrs@apple.com>
4660 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4661 pre-darwin9 system, unless the user asks for it directly.
4662 (PREFERRED_DEBUGGING_TYPE): Likewise.
4663 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4664 * config.gcc: Add suppport for darwin9.h.
4665 * config/darwin9.h: Add.
4666 * doc/install.texi (Specific): Clarify darwin documentation.
4668 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4670 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4671 optimizing for size.
4673 2006-11-16 Mike Stump <mrs@apple.com>
4675 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4677 2006-11-16 Dirk Mueller <dmueller@suse.de>
4679 * tree-vrp.c (get_value_range): Use XCNEW instead
4681 (insert_range_assertions): Use XCNEWVEC instead
4682 of XNEWVEC and memset.
4683 (vrp_initialize): Same.
4684 (vrp_finalize): Same.
4685 * tree-ssa-ccp.c (ccp_initialize): Same.
4686 * predict.c (tree_bb_level_predictions): Same.
4687 * calls.c (expand_call): Same.
4688 * tree-ssa-copy.c (init_copy_prop): Same.
4689 (fini_copy_prop): Same.
4690 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4691 of GGC_NEW and memset.
4693 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4696 * gimplify.c (gimplify_expr): Only force a load for references to
4697 non-BLKmode volatile values.
4698 * doc/implement-c.texi (Qualifiers implementation): Document the
4699 interpretation of what a volatile access is.
4700 * doc/extend.texi (C++ Extensions): Rework same documentation.
4702 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4704 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4707 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4709 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4711 (arm_neg_abssi2): Renamed from neg_abssi2.
4712 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4714 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4716 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4717 number of arguments passed to local functions in SSE registers is 3.
4719 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4720 number of arguments passed in SSE registers to 3.
4722 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4725 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4727 (get_last_bb_insn): ... new global function.
4728 (basic_block.h): Declare it.
4729 * haifa-sched.c (create_recovery_block): Use it.
4731 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4734 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4736 2006-11-15 Paul Brook <paul@codesourcery.com>
4738 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4739 _Unwind_GetTextRelBase): Move from here ...
4740 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4741 _Unwind_GetTextRelBase): ... To here.
4743 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4745 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4746 addresses we generate for testing are aligned.
4748 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4751 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4752 to what is the const decl is a place holder for.
4754 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4756 * config/i386/i386.opt: New target option -mx87regparm.
4758 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4759 and float_in_x87 variables. mmx_words, sse_words: Remove.
4760 (X87_REGPARM_MAX): Define.
4762 * config/i386/i386.c (override_options): Error out for
4763 -mx87regparm but no 80387 support.
4764 (ix86_attribute_table): Add x87regparm.
4765 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4766 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4767 (ix86_function_x87regparm): New function.
4768 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4770 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4772 (function_arg_advance): Process x87_nregs and x87_regno when
4773 floating point argument is to be passed in 80387 register.
4774 (function_arg): Pass XFmode arguments in 80387 registers for local
4775 functions. Pass SFmode and DFmode arguments to local functions
4776 in 80387 registers when flag_unsafe_math_optimizations is set.
4778 * reg-stack.c (convert_regs_entry): Disable NaN load for
4779 stack registers that are used for argument passing.
4781 * doc/extend.texi: Document x87regparm function attribute.
4782 * doc/invoke.texi: Document -mx87regparm.
4784 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4786 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4787 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4788 arg MODE; all callers changed. Use it to determine validity per
4789 machine mode instead of using Pmode for all memory references.
4790 (get_address_cost): Likewise add and use new arg MEM_MODE.
4792 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4793 J"orn Rennecke <joern.rennecke@st.com>
4795 * combine.c (likely_spilled_retval_1): Fix masking operation.
4796 (likely_spilled_retval_p): Use proper pattern for call to
4797 likely_spilled_retval_1.
4799 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4801 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4803 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4804 that tests for CONSTANT_POOL_ADDRESS_P.
4806 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4808 PR tree-optimization/29581
4809 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4810 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4811 type is different between Y and USE, create a temporary
4812 variable, initialize it at the beginning of the body bb
4813 and use it as replacement instead of Y.
4815 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4818 * gimplify.c (fold_indirect_ref_rhs): Use
4819 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4821 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4823 * expmed.c (emit_store_flag_1): New function.
4824 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4826 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4827 Use do_compare_rtx_and_jump.
4828 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4829 * arm.md (cstoresi4): New define_expand.
4830 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4831 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4832 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4834 2006-11-14 Caroline Tice <ctice@apple.com>
4836 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4837 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4839 (pubname_table): Redefine as a vector.
4840 (pubtype_table): New static global variable, defined as a vector.
4841 (pubname_table_allocated): Remove static global variable.
4842 (pubname_table_in_use): Remove static global variable.
4843 (PUBNAME_TABLE_INCREMENT): Remove constant.
4844 (size_of_pubnames): Add parameter to deal with either pubnames or
4845 pubtypes, and change code to deal with table being a vector.
4846 (add_pubname): Change to deal with table being a vector.
4847 (add_pubtype): New function.
4848 (output_pubnames): Add parameter to deal with either pubnames or
4849 pubtypes, and change code to deal with table being a vector.
4850 (gen_array_type_die): Add call to add_pubtype.
4851 (gen_enumeration_type_die): Add call to add_pubtype.
4852 (gen_struct_or_union_type_die): Add call to add_pubtype.
4853 (gen_subroutine_type_die): Add call to add_pubtype.
4854 (gen_typedef_die): Add call to add_pubtype.
4855 (dwarf2out_init): Add code to initialize pubname_table and
4856 pubtype_table vectors; also initialize debug_pubtypes_section.
4857 (prune_unused_types): Change to deal with pubnames being a vector.
4858 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4859 pubnames table to call to output_pubnames; Add code to output pubtypes
4860 table if DEBUG_PUBTYPES_SECTION is defined.
4861 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4863 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4865 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4867 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4868 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4869 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4870 movv2si_internal): Support moves between core registers.
4872 2006-11-14 Eric Christopher <echristo@apple.com>
4874 * configure: Regenerate with autoconf 2.59.
4876 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4878 Fix PR tree-optimization/27755
4880 * tree-ssa-pre.c: Update comments.
4881 (bb_bitmap_sets): Add pa_in and deferred member.
4882 (BB_DEFERRED): New macro.
4883 (maximal_set): New variable.
4884 (pre_stats): Add pa_insert member.
4885 (bitmap_set_and): Short circuit orig == dest.
4886 (bitmap_set_subtract_values): New function.
4887 (bitmap_set_contains_expr): Ditto.
4888 (translate_vuses_through_block): Add phiblock argument.
4889 (dependent_clean): New function.
4890 (compute_antic_aux): Update for maximal_set changes.
4891 (compute_partial_antic_aux): New function.
4892 (compute_antic): Handle partial anticipation.
4893 (do_partial_partial_insertion): New function.
4894 (insert_aux): Handle partial anticipation.
4895 (add_to_sets): Add to maximal set.
4896 (compute_avail): Ditto.
4897 (init_pre): Initialize maximal_set.
4898 (execute_pre): Do partial anticipation if -O3+.
4900 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4902 PR rtl-optimization/29798
4904 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4905 TARGET_INSN before any other check.
4906 (fwprop_init): Always calculate dominators.
4907 (fwprop_done): Always free them.
4909 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4911 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4914 2006-11-13 DJ Delorie <dj@redhat.com>
4916 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4917 temporary for intermediates.
4919 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4921 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4922 (sh_optimize_target_register_callee_saved): #if 0 the code
4923 using NOTE_INSN_LOOP_{BEG,END}.
4925 2006-11-13 Roger Sayle <roger@eyesopen.com>
4927 * fold-const.c (optimize_bit_field_compare): Recursively call
4928 fold when simplifying non-constant comparisons between bit-fields.
4930 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4932 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4934 * configure: Rebuilt.
4936 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4938 * config/rs6000/cell.md: New file.
4939 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4941 (ppccell_cost): New cost matrix.
4942 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4943 (rs6000_override_options): Set rs6000_always_hint to false
4944 for cell. Also align functions/lables/loops to 8byte
4945 for the Cell. Use PROCESSOR_CELL.
4946 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4947 using_mtcr_multiple.
4948 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4949 on the Cell, return 0.
4950 (rs6000_adjust_cost): Add Cell cost adjustments.
4951 (is_microcoded_insn): Return true for Cell microcoded
4953 (is_nonpipeline_insn): New function.
4954 (rs6000_issue_rate): Add PROCESSOR_CELL.
4955 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4957 (rs6000_use_sched_lookahead_guard): New function.
4958 (rs6000_sched_reorder): Reorder the ready list, if the second
4959 to last ready insn is a nonepipeline insn on the Cell.
4960 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4961 (ASM_CPU_SPEC): Add Cell.
4962 * config/rs6000/rs6000.md (cpu): Add Cell.
4963 (cell_micro): New Attr.
4966 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4968 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4970 * configure: Rebuilt.
4972 2006-11-13 Richard Guenther <rguenther@suse.de>
4974 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4976 (ix86_expand_lfloorceil): Likewise.
4977 (ix86_expand_rint): Likewise.
4978 (ix86_expand_floorceildf_32): Likewise.
4979 (ix86_expand_floorceil): Likewise.
4980 (ix86_expand_rounddf_32): Likewise.
4981 (ix86_expand_truncdf_32): Likewise.
4982 (ix86_expand_round): Likewise.
4984 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4985 Mark Mitchell <mark@codesourcery.com>
4987 * gcc.c: Organize search path variables into $prefix relative,
4988 and well-known native. Add comments.
4989 (add_sysrooted_prefix): Add comment.
4990 (process_command): If !gcc_exec_prefix add $prefix based paths.
4991 If *cross_compile == '0', add native well-known paths.
4992 Assert tooldir_base_prefix is always relative.
4993 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4994 use this value for 'install:' path.
4995 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4997 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4999 * config/i386/i386.c: Fix a typo in comment.
5001 2006-11-13 Michael Matz <matz@suse.de>
5003 * genemit.c (gen_expand): Allocate enough memory.
5005 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5007 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5008 __GXX_TYPEINFO_EQUALITY_INLINE but not
5009 __GXX_MERGED_TYPEINFO_NAMES.
5010 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5011 __GXX_MERGED_TYPEINFO_NAMES.
5012 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5013 __GXX_TYPEINFO_EQUALITY_INLINE.
5015 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5016 Zdenek Dvorak <dvorakz@suse.cz>
5018 PR tree-optimization/29680
5019 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5022 2006-11-12 Jason Merrill <jason@redhat.com>
5023 Andrew Pinski <pinskia@physics.uc.edu>
5026 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5028 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5030 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5031 * tree.c (build_vector): Handle non-_CST elements.
5033 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5035 * genemit.c (gen_insn): Call gen_exp with a non-null used
5036 when handling multiple insns.
5037 (gen_expand): Likewise.
5038 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5039 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5040 (movsi_const_16bit+1): Copy operands[1].
5041 (call_pcrel): Copy the call_site pattern.
5042 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5044 2006-11-12 Roger Sayle <roger@eyesopen.com>
5046 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5047 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5048 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5049 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5051 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5053 Fix PR tree-optimization/29587
5054 * tree-ssa-structalias.c (process_constraint): Don't
5055 mark address taken due only to escaped vars constraint.
5057 2006-11-12 Michael Matz <matz@suse.de>
5058 Roger Sayle <roger@eyesopen.com>
5060 PR rtl-optimization/29797
5061 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5062 BITS_BIG_ENDIAN targets.
5064 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5066 * builtins.c (fold_builtin_cosh): New.
5067 (fold_builtin_1): Use it.
5068 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5069 trunc to the list of "odd" functions. Also add llrint, lrint,
5070 rint and nearbyint when flag_rounding_math is false.
5072 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5074 * tree-flow.h (name_mappings_registered_p): Declare.
5075 * tree-into-ssa.c (name_mappings_registered_p): New function.
5076 * tree-cfg.c (tree_can_merge_blocks_p): Check
5077 name_mappings_registered_p instead of need_ssa_update_p.
5079 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5081 * tree-ssa-loop.c (tree_vectorize): Return the result of
5083 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5084 if anything changed.
5085 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5086 * tree-flow.h (vectorize_loops): Declaration changed.
5088 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5090 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5092 (issue_prefetch_ref): Move assignment to write_p out of loop.
5093 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5094 SIMULTANEOUS_PREFETCHES into account.
5095 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5096 * lambda-code.c (lcm): Renamed to ...
5097 (least_common_multiple): ... and exported.
5098 * tree-flow.h (least_common_multiple): Declare.
5100 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5102 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5103 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5104 ud-chains. Handle AND_EXPR.
5105 (record_estimate): Record whether the estimate is realistic
5106 and whether it is derived from a loop exit.
5107 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5108 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5110 (compute_estimated_nb_iterations): Take only realistic bounds into
5111 account. Set estimate_state. Use double_ints.
5112 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5113 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5114 that do not have to be always executed.
5115 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5116 to determine whether to call infer_loop_bounds_from_undefined
5117 and compute_estimated_nb_iterations.
5118 (n_of_executions_at_most): Use double_ints.
5119 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5120 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5121 * double-int.c (double_int_to_tree): Improve comment.
5122 (double_int_fits_to_tree_p): New function.
5123 * double-int.h (double_int_fits_to_tree_p): Declare.
5124 * tree-data-ref.c: Include langhooks.h.
5125 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5126 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5127 (analyze_array): Do not pass estimate_only argument to
5128 analyze_array_indexes.
5129 (get_number_of_iters_for_loop): Build tree from the stored double_int
5131 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5132 (find_data_references_in_loop): Use find_data_references_in_stmt.
5133 * tree-data-ref.h (struct data_ref_loc_d): New.
5134 (get_references_in_stmt): Declare.
5135 (estimate_iters_using_array): Declaration removed.
5136 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5137 double_int. Improve comments. Add is_exit and realistic
5139 (struct loop): Changed type of estimated_nb_iterations to double_int.
5140 Added estimate_state field.
5141 (record_estimate): Declaration removed.
5143 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5145 * params.c (set_param_value): Initialize the "set" field.
5146 * params.h (struct param_info): Add "set" field.
5147 (PARAM_SET_P): New macro.
5148 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5149 L1_CACHE_LINE_SIZE): New macros.
5150 * toplev.c (DEFPARAM): Initialize the "set" field.
5151 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5152 SIMULTANEOUS_PREFETCHES): Removed.
5153 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5154 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5155 * config/sparc/sparc.c: Include params.h.
5156 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5157 L1_CACHE_LINE_SIZE parameters.
5158 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5160 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5162 * config/i386/i386.c: Include params.h.
5163 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5164 (override_options): Set SIMULTANEOUS_PREFETCHES and
5165 L1_CACHE_LINE_SIZE parameters.
5166 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5167 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5168 L1_CACHE_LINE_SIZE parameters.
5169 * config/ia64/ia64.c (ia64_optimization_options): Set
5170 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5171 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5173 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5174 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5175 * doc/invoke.texi: Document new params.
5177 2006-11-12 Roger Sayle <roger@eyesopen.com>
5179 PR tree-optimization/13827
5180 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5183 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5185 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5186 update_single_exit_for_duplicated_loops): New functions.
5187 (duplicate_loop_to_header_edge): Use
5188 update_single_exit_for_duplicated_loops.
5189 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5190 functions only with ENABLE_CHECKING.
5192 2006-11-12 Andreas Schwab <schwab@suse.de>
5194 * except.c (sjlj_emit_function_enter): Remove unused variable.
5196 2006-11-11 Roger Sayle <roger@eyesopen.com>
5198 * fold-const.c (int_binop_types_match_p): New function.
5199 (size_binop): Relax constraint that both arguments must both have
5200 exactly the same sizetype type. Instead use int_binop_types_match_p.
5201 (size_diffop): Likewise.
5203 (make_range): Use build_int_cst instead of fold_convert.
5204 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5205 integer constants of the correct type.
5206 (fold_div_compare): Likewise.
5207 (fold_single_bit_test): Likewise.
5208 (fold_binary): Likewise.
5209 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5210 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5212 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5215 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5216 non null value if the struct memory access is in the 0th
5219 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5222 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5223 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5226 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5227 instead of builtin_define for bfin and BFIN.
5229 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5231 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5234 2006-11-11 Jan Hubicka <jh@suse.cz>
5236 * extend.texi (__builtin_expect): We no longer require second argument
5238 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5239 * builtins.c (expand_builtin_expect): Simplify.
5240 (expand_builtin_expect_jump): Kill.
5241 * final.c (final_scan_insn): Do not skip the removed notes.
5242 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5243 EXPECTED_VALUE): Remove.
5244 * dojump.c (do_jump): Do not care about __builtin_expect.
5245 * predict.c (expected_value_to_br_prob): Kill.
5246 * function.c (expand_function_end): Do not expand
5247 NOTE_INSN_REPEATED_LINE_NUMBER.
5248 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5249 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5250 * cfgexpand.c (add_reg_br_prob_note): Export.
5251 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5252 expected_value_to_br_prob.
5253 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5254 * rtl.h (add_reg_br_prob_note): Declare.
5256 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5258 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5260 2006-11-11 Jan Hubicka <jh@suse.cz>
5262 * predict.c (predict_loops): Kill RTL variant.
5264 2006-11-11 Jan Hubicka <jh@suse.cz>
5266 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5267 * modulo-sched.c (find_line_note): Remove.
5268 (loop_canon_p): Do not worry about line number notes.
5269 (sms_schedule): Likewise.
5270 * cse.c (cse_main): Likewise.
5271 * regmove.c (fixup_match_1): Likewise
5272 * function.c (emit_return_info_block): Likewise.
5273 (expand_function_end): Likewise.
5274 (thread_prologue_an_epilogue_insns): Likewise.
5275 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5277 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5278 emit_note_copy_after): Kill.
5279 (emit_note_copy): Do not worry about line numbers.
5280 * jump.c (purge_line_number_notes): Kill.
5281 (pass_purge_lineno_notes): Kill.
5282 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5284 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5285 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5286 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5287 * tree-pass.h (pass_purge_lineno_notes): Kill.
5288 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5289 rm_redundant_line_notes.
5290 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5291 rm_redundant_line_notes.
5292 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5293 * haifa-sched.c: Update comment about handling notes.
5294 (unlink_line_notes): Kill.
5295 (rm_line_notes): Kill.
5296 (save_line_notes): Simplify.
5297 (rm_redundant_line_notes): Kill.
5299 2006-11-11 Richard Guenther <rguenther@suse.de>
5301 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5302 Remove unused tree codes.
5303 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5304 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5305 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5306 * tree.c (stabilize_reference): Likewise.
5307 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5308 fold_unary): Likewise.
5309 * tree-gimple.c (is_gimple_cast): Likewise.
5310 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5311 * expr.c (expand_expr_real_1): Likewise.
5312 * tree-eh.c (tree_could_trap_p): Likewise.
5313 * gimplify.c (gimplify_expr): Likewise.
5314 * tree-inline.c (estimate_num_insns_1): Likewise.
5315 * tree-cfg.c (verify_expr): Likewise.
5317 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5319 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5320 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5321 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5323 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5326 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5327 constraints accept neither registers or memories.
5329 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5331 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5332 (NO_PROFILE_COUNTERS): Define as 1.
5334 2006-11-10 Roger Sayle <roger@eyesopen.com>
5336 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5337 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5339 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5341 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5343 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5345 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5346 (fold_builtin_hypot): Likewise.
5347 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5349 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5351 2006-11-10 Roger Sayle <roger@eyesopen.com>
5353 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5354 when attempting to build INTEGER_CSTs of non-integral types.
5355 * expmed.c (make_tree): Use the correct type, i.e. the inner
5356 type, when constructing the individual elements of a CONST_VECTOR.
5358 2006-11-10 Jan Hubicka <jh@suse.cz>
5360 * cse.c (cse_process_notes): Copy the propagated value.
5361 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5363 * gcse.c (try_replace_reg): Copy the replacement.
5364 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5365 (assign_386_stack_local): Always return copied memory expression
5366 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5369 2006-11-10 Jan Hubicka <jh@suse.cz>
5371 * final.c (final): Walk from first instruction.
5372 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5374 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5377 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5379 (umulv8hi3_highpart): Ditto.
5380 (vec_widen_smult_hi_v8hi): New expander.
5381 (vec_widen_smult_lo_v8hi): Ditto.
5383 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5386 * builtins.c (do_mpfr_arg3): New.
5387 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5389 2006-11-09 Eric Christopher <echristo@apple.com>
5394 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5395 * config.gcc (powerpc64-*-darwin*): New target.
5396 * config.host: Ditto.
5397 * config/rs6000/darwin64.h: New file.
5398 * config/rs6000/x-darwin64: Ditto.
5399 * config/rs6000/host-ppc64-darwin.c: Ditto.
5401 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5403 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5404 routines for integer division.
5406 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5408 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5410 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5413 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5415 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5417 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5418 simplify_subreg with BLKmode outer mode.
5420 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5422 * doc/invoke.texi: Minor formatting fixes in option lists.
5424 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5426 PR tree-optimization/29738
5427 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5428 (ccp_lattice_t): Remove UNKNOWN_VAL.
5429 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5430 Do not handle UNKNOWN_VAL.
5431 (get_default_value): Set initial value of virtual operands to
5433 (get_value): Always use get_default_value on uninitialized
5435 (set_value_varying, surely_varying_stmt_p): New functions.
5436 (set_lattice_value): Do not pass argument to get_value.
5437 Do not handle UNKNOWN_VAL.
5438 (likely_value): Follow the semantics described in the comment.
5439 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5440 phi nodes DONT_SIMULATE_AGAIN.
5441 (ccp_fold): Do not pass argument to get_value.
5442 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5445 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5447 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5448 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5450 2006-11-08 Roger Sayle <roger@eyesopen.com>
5452 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5453 test for inclusion rather than as a test for exclusion.
5454 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5455 the condition after calling fold_binary.
5456 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5457 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5458 * builtins.c (fold_builtin_isascii): Likewise.
5459 (fold_builtin_isdigit): Likewise.
5461 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5463 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5464 * configure: Regenerate.
5466 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5468 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5469 enum argument instead of bool.
5470 (vect_analyze_operations): Call vectorizable_type_promotion.
5471 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5472 stmt_vec_info_type value.
5473 (supportable_widening_operation, vectorizable_type_promotion): New
5474 function declarations.
5475 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5476 (vectorizable_type_promotion): New function.
5477 (vect_transform_stmt): Call vectorizable_type_promotion.
5478 * tree-vect-analyze.c (supportable_widening_operation): New function.
5479 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5481 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5484 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5485 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5486 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5488 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5489 * expr.c (expand_expr_real_1): Likewise.
5490 * optabs.c (optab_for_tree_code): Likewise.
5491 (init_optabs): Initialize new optabs.
5492 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5493 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5494 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5495 vec_unpacku_lo_optab): Initialize new optabs.
5496 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5497 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5498 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5500 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5501 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5502 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5503 (vec_unpacku_lo_optab): New optabs.
5504 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5505 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5506 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5507 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5508 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5509 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5511 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5512 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5513 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5514 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5515 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5516 implement the unsigned unpacking patterns.
5517 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5518 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5519 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5520 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5521 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5522 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5523 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5524 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5525 multiplication patterns.
5527 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5528 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5529 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5530 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5531 (rs6000_builtin_mul_widen_odd): New.
5532 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5533 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5534 * tree-vectorizer.h (enum vect_relevant): New enum type.
5535 (_stmt_vec_info): Field relevant chaned from bool to enum
5537 (STMT_VINFO_RELEVANT_P): Updated.
5538 (STMT_VINFO_RELEVANT): New.
5539 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5540 instead of STMT_VINFO_RELEVANT_P.
5541 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5542 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5543 and boolean variable with enum vect_relevant.
5544 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5545 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5546 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5548 2006-11-08 Richard Henderson <rth@redhat.com>
5550 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5551 vec_widen_umult_lo_v8hi): New.
5552 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5553 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5555 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5556 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5557 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5558 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5559 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5560 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5561 vec_unpacks_lo_v4si): New.
5563 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5565 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5566 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5567 (vect_analyze_operations): Call vectorizable_type_demotion.
5568 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5569 stmt_vec_info_type value.
5570 (vectorizable_type_demotion): New function declaration.
5571 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5574 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5575 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5577 * tree-iniline.c (estimate_num_insns_1): Likewise.
5578 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5579 * optabs.c (optab_for_tree_code): Likewise.
5581 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5582 compared against the predicate of the result is not 'mode' (the input
5583 to the function) but a mode with half the size of 'mode'.
5584 (init_optab): Initialize new optabs.
5585 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5587 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5589 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5590 (vec_pack_usat_optab): Initialize new optabs.
5591 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5592 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5594 2006-11-08 Richard Henderson <rth@redehat.com>
5596 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5597 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5598 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5599 (vec_interleave_highv4si, vec_interleave_lowv4si):
5600 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5602 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5604 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5606 (vect_transform_stmt): Removed redundant code.
5608 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5610 * tree-vect-transform.c (vectorizable_operation): Support multiple
5613 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5615 * tree-vect-transform.c (vect_align_data_ref): Removed.
5616 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5617 Updated function documentation. Return the increment stmt in ptr_incr.
5618 (bump_vector_ptr): New function.
5619 (vect_get_vec_def_for_stmt_copy): New function.
5620 (vect_finish_stmt_generation): Create a stmt_info to newly created
5622 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5624 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5625 VF is greater than the number of elements that can fit in one vector
5627 (vectorizable_operation, vectorizable_condition): Likewise.
5628 (vectorizable_store, vectorizable_load): Support the case that the VF
5629 is greater than the number of elements that can fit in one vector word.
5630 (vect_transform_loop): Don't fail in case of multiple data-types.
5631 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5632 in case of multiple data-types; the smallest type determines the VF.
5633 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5634 if they are of different sizes.
5635 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5636 number of elements rather than number of bytes.
5637 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5638 (vect_can_advance_ivs_p): Fix a dump printout
5640 2006-11-07 Eric Christopher <echristo@apple.com>
5642 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5643 (__bswapsi2): Ditto.
5644 * libgcc2.h: Remove transformation of bswap routines.
5645 * config/i386/i386.md (bswapsi2): New.
5648 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5650 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5651 (handle_gnu_inline_attribute): New function.
5652 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5653 (merge_decls, start_decl, start_function): Likewise.
5654 * doc/extend.texi: Document gnu_inline attribute.
5656 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5659 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5660 _fixunstfdi, and _floatditf
5662 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5664 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5666 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5667 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5668 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5669 which start in an odd register.
5671 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5673 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5675 2006-11-07 Josh Conner <jconner@apple.com>
5677 * doc/invoke.texi (fstrict-aliasing): Move implementation
5679 * doc/tree-ssa.texi (Alias analysis): ...here.
5681 2006-11-07 Richard Guenther <rguenther@suse.de>
5683 PR tree-optimization/29610
5684 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5685 of tree_purge_dead_eh_edges as it may free dominators.
5687 * g++.dg/other/pr29610.C: New testcase.
5689 2006-11-07 David Ung <davidu@mips.com>
5691 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5692 costs when optimizing for size.
5693 (override_options): Use mips_rtx_cost_optimize_size table for cost
5696 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5698 * gcc.c (process_command): Treat -b as normal switch if its argument
5701 2006-11-07 David Ung <davidu@mips.com>
5703 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5706 2006-11-06 Eric Christopher <echristo@apple.com>
5708 * config.gcc: Add x86_64-darwin host support.
5709 * config.host: Ditto.
5710 * config/i386/darwin64.h: New file.
5711 * config/i386/t-darwin64: Ditto.
5713 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5715 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5716 and output-exists-not.
5718 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5721 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5722 checking for overflow.
5724 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5726 * configure.ac: Fixed typo in case statement: :: changed to ;;
5728 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5730 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5731 count_leading_zeros, and count_trailing_zeros.
5732 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5733 (TARGET_FOLD_BUILTIN): Define.
5734 (TARGET_EXPAND_BUILTIN): Define.
5735 (xtensa_init_builtins): New.
5736 (xtensa_fold_builtin): New.
5737 (xtensa_expand_builtin): New.
5738 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5739 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5740 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5741 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5742 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5743 (any_extend): New code macro.
5744 (u, su): New code attributes.
5745 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5746 (nsau): Remove; replaced by clzsi2.
5747 (ffssi2): Use clzsi2.
5748 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5749 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5750 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5751 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5752 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5754 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5756 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5758 * config/arm/t-strongarm-elf: Likewise.
5759 * config/arm/t-pe: Likewise.
5760 * config/arm/t-arm-elf: Likewise.
5761 * config/arm/t-xscale-elf: Likewise.
5762 * config/arm/t-arm-coff: Likewise.
5763 * config/arm/t-xscale-coff: Likewise.
5764 * config/arm/t-wince-pe: Likewise.
5766 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5768 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5771 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5774 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5777 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5780 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5781 as a valid 80387 constant.
5782 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5783 * config/i386/i386.md (unnamed splitter): Split the load of
5784 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5787 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5789 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5790 from the soft-frame, argument and virtual registers.
5792 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5794 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5795 patterns for standard 80387 constants.
5797 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5798 Steven Bosscher <steven@gcc.gnu.org>
5800 * fwprop.c: New file.
5801 * Makefile.in: Add fwprop.o.
5802 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5803 * passes.c (init_optimization_passes): Schedule forward propagation.
5804 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5806 * timevar.def (TV_FWPROP): New.
5807 * common.opt (-fforward-propagate): New.
5808 * opts.c (decode_options): Enable forward propagation at -O2.
5809 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5810 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5811 canon_for_address, table_size): Remove.
5812 (new_basic_block, insert, remove_from_table): Remove references to
5814 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5815 simplification loop more straightforward by not calling fold_rtx
5817 (equiv_constant): Move here a small part of fold_rtx_subreg,
5818 do not call fold_rtx. Call avoid_constant_pool_reference
5820 * recog.h (canonicalize_change_group): New.
5822 * doc/invoke.texi (Optimization Options): Document fwprop.
5823 * doc/passes.texi (RTL passes): Document fwprop.
5825 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5827 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5828 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5829 (grokdeclarator): Likewise.
5831 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5833 * tree-dump.c (dump_enable_all): Rename local variable
5834 ir_type to avoid name conflicts.
5835 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5836 instead of using ir_type().
5837 * profile.c (tree_register_profile_hooks): Likewise.
5838 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5839 * basic-block.h (struct edge_def): Likewise.
5840 * config/arm/arm.c (legitimize_pic_address): Likewise.
5841 * coretypes.h (ir_type): New enum of all intermediate languages
5843 * cfghooks.c (ir_type): Rename to...
5844 (current_ir_type): ...this. Distinguish between cfgrtl and
5845 cfglayout mode when the current IR is RTL. Return enum ir_type.
5846 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5848 2006-11-03 Paul Brook <paul@codesourcery.com>
5850 * config/arm/arm.c (arm_file_start): New function.
5851 (TARGET_ASM_FILE_START): Define.
5852 (arm_default_cpu): New variable.
5853 (arm_override_options): Set arm_default_cpu.
5855 2006-11-03 David Ung <davidu@mips.com>
5857 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5858 PROCESSOR_24KC and PROCESSOR_24KF.
5859 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5860 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5861 (mips_rtx_cost_data): Add costs for the 24kc.
5862 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5863 * config/mips/24k.md: Remove references to 24k and replace with
5864 uses of 24kc/24kf in the appropriate reservations.
5865 * doc/invoke.texi (MIPS Options): Updated.
5867 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5869 * config/sh/crt1.asm: Fix #ifdef indent.
5871 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5872 Merged from STMicroelectronics sources:
5873 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5874 * config/sh/crt1.asm (vbr_600): Add missing #if.
5875 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5876 * sh.opt (mfused-madd): New option.
5877 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5878 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5879 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5880 Remove pointless handler at VBR+0.
5881 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5882 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5883 fr7. Make sure the timer handler is called with the correct FPU
5884 precision setting, according to the ABI.
5885 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5886 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5887 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5888 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5889 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5890 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5891 zero as second operand.
5892 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5893 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5894 Fixed some bugs related to negative values, in particular -0
5895 and overflow at -0x80000000.
5896 * config/sh/divcost-analysis: Added sh4-300 figures.
5897 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5898 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5899 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5900 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5901 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5902 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5904 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5906 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5907 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5908 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5909 mac_mem, mem_mac, dfp_mul, fp_cmp.
5910 (insn_class, dfp_comp, any_fp_comp): Update.
5911 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5912 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5913 (muldf3_i): Likewise.
5914 (movsi_i): Split rI08 alternative into two separate alternatives.
5916 (movsi_ie, movsi_i_lowpart): Likewise.
5917 (movqi_i): Split ri alternative into two separate alternatives.
5919 * sh1.md (sh1_load_store, sh1_fp): Update.
5920 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5921 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5922 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5923 (sh4a_fp_double_arith): Likewise.
5924 * sh4-300.md: New file.
5925 * sh.c (sh_handle_option): Handle m4-300* options.
5926 (sh_adjust_cost): Fix latency of auto-increments.
5927 Handle SH4-300 differently than other SH4s. Check for new insn types.
5928 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5929 been set by an option.
5930 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5931 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5932 (mbranch-cost=): Likewise.
5933 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5935 * sh.md (mulsf3): Remove special expansion code.
5936 (mulsf3_ie): Now a define_insn_and_split.
5937 (macsf3): Allow for TARGET_SH4.
5939 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5940 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5941 (expand_cbranchdi4): Likewise.
5942 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5943 CONST_DOUBLE if the outer code is COMPARE.
5944 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5945 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5946 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5947 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5948 Remove redundant fp_{zero,one}_operand checks.
5949 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5950 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5951 (expand_cbranchdi4): Likewise.
5952 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5953 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5955 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5957 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5960 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5962 * doc/invoke.texi: Fix mfp-trap-mode typo.
5964 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5966 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5967 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5968 file_end_indicate_exec_stack.
5969 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5971 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5972 for a non-executable stack.
5973 * crti.asm: Likewise.
5974 * crtn.asm: Likewise.
5975 * libunwind.S: Likewise.
5977 2006-11-02 Ben Elliston <bje@au.ibm.com>
5979 * tree-ssa.c (warn_uninit): Use expand_location variables for
5980 locus and declaration locus.
5982 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5985 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5986 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5987 cmp{eq,gt,gtu}{si,di}_media.
5988 (*cmpne0si_media): Remove.
5989 (*movsicc_umin): Adjust gen_cmp*_media call.
5990 (unordered): Change the mode of unordered and operands[1] to
5992 (seq): Adjust gen_cmp*_media calls. Make the mode of
5993 a temporary result of compare SImode if needed. If the mode
5994 of operands[0] is DImode, extend the temporary result to DImode.
5995 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5996 (sunorderd): Change the mode of match_operand and unorderd to
5998 (cmpeq{sf,df}_media): Remove.
5999 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6000 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6001 and compare operation to SImode.
6003 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6005 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6007 (sparc64-sun-solaris2*): Likewise.
6009 2006-11-02 Paul Brook <paul@codesourcery.com>
6011 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6012 from priority argument. Use different section for non-default
6014 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6016 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6019 * except.c (switch_to_exception_section): Do not cache the section
6020 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6021 and flag_function_sections is set.
6023 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6026 * builtins.c (do_mpfr_sincos): New.
6027 (fold_builtin_1): Use it to fold builtin sincos.
6029 2006-11-01 Roger Sayle <roger@eyesopen.com>
6031 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6032 it into -D_REENTRANT.
6034 2006-11-01 Roger Sayle <roger@eyesopen.com>
6036 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6037 whether the assembler supports taking the difference of symbols in
6038 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6039 * configure: Regenerate.
6040 * config.in: Regenerate.
6041 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6042 the assembler doesn't support taking the difference of symbols in
6043 different sections, i.e. we're using the native solaris assembler.
6045 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6046 Peter Bergner <bergner@vnet.ibm.com>
6048 * doc/invoke.texi: Add cpu_type power6x
6049 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6050 * config.gcc: Add cpu_type power6x.
6051 * configure.ac: Add test for mf{t,f}gpr instructions.
6052 (HAVE_AS_MFPGPR): New.
6053 * config.in: Regenerate.
6054 * configure: Regenerate.
6055 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6056 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6057 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6058 and mftgpr attributes.
6059 (define_attr "cpu"): Add power6.
6060 Change instruction sequences to use new attributes.
6061 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6062 (fix_truncdfsi2_mfpgpr): New.
6063 (floatsidf_ppc64_mfpgpr): New.
6064 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6065 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6066 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6067 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6068 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6069 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6070 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6071 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6072 cntlz,exts and var_delayed_compare.
6073 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6074 _ARCH_PWR6X, if features enabled.
6075 * config/rs6000/rs6000.opt (mmfpgpr): New.
6076 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6077 (cached_can_issue_more): New variable.
6078 (processor_costs): Add power6_cost.
6079 (rs6000_sched_init): New function.
6080 (is_dispatch_slot_restricted): Deleted.
6081 (set_to_load_agen): New function.
6082 (is_load_insn,is_store_insn): New functions.
6083 (adjacent_mem_locations): New function.
6084 (insn_must_be_first_in_group): New function.
6085 (insn_must_be_last_in_group): New function.
6086 (rs6000_sched_reorder): New function.
6087 (rs6000_sched_reorder2): New function.
6088 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6089 TARGET_SCHED_REORDER2): Define.
6090 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6091 Add power6x. Add MASK_MFPGPR for power6x.
6092 (POWERPC_MASKS): Add MASK_MFPGPR.
6093 (rs6000_override_options): Set rs6000_always_hint to false
6094 for power6. Set rs6000_align_branch_targets. Replace
6095 rs6000_sched_groups check with rs6000_align_branch_targets.
6096 Use PROCESSOR_POWER6.
6097 (last_scheduled_insn): New variable.
6098 (load_store_pendulum): New variable.
6099 (rs6000_variable_issue): Set last_scheduled_insn and
6100 cached_can_issue_more.
6101 (rs6000_adjust_cost): Add power6 cost adjustments.
6102 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6103 with insn_must_be_first_in_group. Add power6 priority adjustments.
6104 (rs6000_issue_rate): Add CPU_POWER6.
6105 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6106 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6107 (TARGET_MFPGPR): New.
6108 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6109 (ASM_CPU_SPEC): Add power6x.
6110 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6112 * config/rs6000/power6.md: New file.
6114 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6116 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6117 HOST_WIDE_INT_PRINT to print high and low parts. Use
6118 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6119 printing a hexadecimal number prefix it with 0x.
6121 2006-11-01 Chris Johns <chris@contemporary.net.au>
6124 * Makefile.in (install-driver): Use exeext when installing
6125 $target-gcc-$version.
6127 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6129 * c-common.c (flag_cpp0x): New.
6130 * c-common.h (flag_cpp0x): New.
6131 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6132 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6133 * c-opts.c (set_std_cxx0x): New.
6134 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6135 * c.opt (std=c++0x): Document.
6136 (std=gnu++0x): Ditto.
6137 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6138 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6140 2006-11-01 Richard Guenther <rguenther@suse.de>
6142 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6144 (ix86_expand_floorceildf_32): Likewise.
6145 (ix86_expand_floorceil): Likewise.
6146 (ix86_expand_trunc): Likewise.
6148 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6150 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6153 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6155 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6157 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6159 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6161 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6162 * configure.ac (use_cxa_atexit): As a special case, don't test
6163 for libc definition of __cxa_atexit on mingw32
6164 * configure: Regenerate.
6165 * config.gcc (i[34567]86-pc-mingw32): Default to
6166 enable__cxa_atexit=yes.
6168 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6170 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6172 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6175 * c-decl.c (start_struct): Don't create self-containing
6177 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6179 * config/rs6000/rs6000-protos.h
6180 (darwin_rs6000_special_round_type_align): New.
6181 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6182 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6184 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6186 * toplev.c (compile_file): Call final_write_globals
6187 even if there have been errors.
6189 2006-10-31 Eric Christopher <echristo@apple.com>
6190 Falk Hueffner <falk@debian.org>
6192 * doc/extend.texi (__builtin_bswap32): Document.
6193 (__builtin_bswap64): Ditto.
6194 * doc/libgcc.texi (bswapsi2): Document.
6196 * doc/rtl.texi (bswap): Document.
6197 * optabs.c (expand_unop): Don't widen a bswap.
6198 (init_optabs): Init bswap. Set libfuncs explicitly
6199 for bswapsi2 and bswapdi2.
6200 * optabs.h (OTI_bswap): New.
6201 (bswap_optab): Ditto.
6202 * genopinit.c (optabs): Handle bswap_optab.
6203 * tree.h (tree_index): Add TI_UINT32_TYPE and
6205 (uint32_type_node): New.
6206 (uint64_type_node): Ditto.
6207 * tree.c (build_common_tree_nodes_2): Initialize
6208 uint32_type_node and uint64_type_node.
6209 * builtins.c (expand_builtin_bswap): New.
6210 (expand_builtin): Call.
6211 (fold_builtin_bswap): New.
6212 (fold_builtin_1): Call.
6213 * fold-const.c (tree_expr_nonnegative_p): Return true
6215 * builtin-types.def (BT_UINT32): New.
6217 (BT_FN_UINT32_UINT32): Ditto.
6218 (BT_FN_UINT64_UINT64): Ditto.
6219 * builtins.def (BUILT_IN_BSWAP32): New.
6220 (BUILT_IN_BSWAP64): Ditto.
6221 * rtl.def (BSWAP): New.
6222 * genattrtab.c (check_attr_value): New.
6223 * libgcc2.c (__bswapSI2): New.
6224 (__bswapDI2): Ditto.
6225 * libgcc2.h (__bswapSI2): Declare.
6226 (__bswapDI2): Ditto.
6227 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6228 * simplify-rtx.c (simplify_const_unary_operation): Return
6230 * libgcc-std.ver (__bwapsi2): Add.
6231 (__bswapdi2): Ditto.
6232 * reload1.c (eliminate_regs_1): Add bswap.
6233 (elimination_effects): Ditto.
6234 * config/i386/i386.h (x86_bswap): New.
6235 (TARGET_BSWAP): Use.
6236 * config/i386/i386.c (x86_bswap): Set.
6238 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6240 * coverage.c (coverage_checksum_string): Update comment.
6241 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6242 of get_file_function_name.
6243 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6244 of get_file_function_name_long.
6245 * tree.c (get_file_function_name): Rename from
6246 get_file_function_name_long; improve comment; handle 'I' and 'D'
6247 specially when the target has ctor/dtor support; remove special
6249 (get_file_function_name): Remove.
6250 * tree.h (get_file_function_name): Rename from
6251 get_file_function_name_long.
6252 (get_file_function_name): Remove prototype.
6254 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6256 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6257 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6259 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6260 Call dsymutil when compiling and linking one or more source files
6263 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6266 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6268 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6270 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6271 inline static functions in c99 mode.
6274 * doc/extend.texi (Inline): Update.
6275 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6276 * c-decl.c (current_extern_inline): Delete.
6277 (pop_scope): Adjust test for an undefined nested function.
6278 Add warning about undeclared inline function.
6279 (diagnose_mismatched_decls): Update comments. Disallow overriding
6280 of inline functions in a translation unit in C99. Allow inline
6281 declarations in C99 at any time.
6282 (merge_decls): Boolize variables. Handle C99 'extern inline'
6284 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6285 C99 inline semantics.
6286 (start_function): Don't clear current_extern_inline. Don't set
6288 (c_push_function_context): Don't push current_extern_inline.
6289 (c_pop_function_context): Don't restore current_extern_inline.
6292 * c-typeck.c (build_external_ref): Warn about static variables
6293 used in extern inline functions.
6294 * c-decl.c (start_decl): Warn about static variables declared
6295 in extern inline functions.
6297 2006-10-31 Roger Sayle <roger@eyesopen.com>
6300 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6301 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6302 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6303 or y is an even integer.
6305 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6308 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6309 * gthr-posix95.h (__gthread_active_p): Likewise.
6311 2006-10-31 Richard Guenther <rguenther@suse.de>
6313 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6314 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6315 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6316 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6317 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6318 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6319 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6320 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6323 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6325 * opts.c (decode_options): Disable CSE skip blocks.
6327 2006-10-30 Dirk Mueller <dmueller@suse.de>
6329 * c-common.h (strict_aliasing_warning): Fix whitespace.
6330 * c-decl (start_function): Move code for main decl warning ..
6331 * c-common.c (check_main_parameter_types): .. here.
6332 * c-common.h (check_main_parameter_types): Declare.
6334 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6337 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6339 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6341 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6342 be a PARALLEL containing sets. Return false when out_pat is not
6345 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6347 * config/mips/mips.md (mul<mode>3): Split into...
6348 (mulsi3, muldi3): ...these separate patterns.
6350 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6352 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6353 but with each set of options separated by spaces.
6355 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6357 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6358 dwarf_reg_size_table has been initialized.
6360 2006-10-30 Roger Sayle <roger@eyesopen.com>
6362 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6363 * ddg.c (print_ddg_edge): Likewise.
6364 * dwarf2out.c (prune_unused_types_walk): Likewise.
6365 * ifcvt.c (noce_try_cmove_arith): Likewise.
6366 * langhooks.c (add_builtin_function): Likewise.
6367 * reg-stack.c (subst_stack_regs_pat): Likewise.
6368 * tree.c (expanded_location): Likewise.
6369 * tree-dump.c (dequeue_and_dump): Likewise.
6371 2006-10-30 David Daney <ddaney@avtrex.com>
6373 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6375 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6377 PR tree-optimization/29637
6378 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6379 of the innertype is the innertype itself.
6381 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6383 * dwarf2out.c (file_name_acquire): Correct typo.
6385 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6387 * tree.h (tree_value_handle): Remove struct value_set declaration.
6388 Change value_set to bitmap_set.
6389 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6390 * tree-vn.c (get_value_handle): Made inline and moved to
6392 * tree-flow-inline.h: (has_stmt_ann): New function.
6393 * tree-ssa-pre.c (expressions): New variable.
6394 (next_expression_id): Ditto.
6395 (alloc_expression_id): New function.
6396 (struct value_set): Remove.
6397 (get_expression_id): New function.
6398 (get_or_alloc_expression_id): Ditto.
6399 (expression_for_id): Ditto.
6400 (clear_expression_ids): Ditto.
6401 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6402 (bb_value_sets): Renamed to bb_bitmap_sets.
6403 All value sets replaced with bitmap_sets.
6405 (BB_VISITED): New macro.
6406 (postorder): New variable.
6407 (add_to_value): Removed.
6408 (value_exists_in_set_bitmap): Ditto.
6409 (value_insert_into_set_bitmap): Ditto.
6412 (set_remove): Ditto.
6413 (set_contains_value): Ditto.
6414 (insert_into_set): Ditto.
6416 (find_leader): Ditto.
6417 (bitmap_set_subtract_from_value_set): Ditto.
6418 (value_insert_into_set): Ditto.
6419 (print_value_set): Ditto.
6420 (debug_value_set): Ditto.
6421 (constant_expr_p): New function.
6422 (bitmap_remove_from_set): Ditto.
6423 (bitmap_insert_into_set): Ditto.
6424 (bitmap_set_free): Ditto.
6425 (vh_compare): Ditto.
6426 (sorted_array_from_bitmap_set): Ditto.
6427 (bitmap_set_subtract): Ditto.
6428 (bitmap_set_equal): Ditto.
6429 (debug_bitmap_set): Ditto.
6430 (find_leader_in_sets): Ditto.
6431 (bitmap_set_replace_value): Modify for bitmapped sets.
6432 (phi_translate): Ditto.
6433 (phi_translate_set): Ditto.
6434 (bitmap_find_leader): Ditto.
6435 (valid_in_sets): Ditto.
6436 (union_contains_value): Ditto.
6438 (compute_antic_aux): Ditto. Mark changed blocks.
6439 (compute_antic): Ditto. Iterate in postorder and only over
6441 (compute_rvuse_and_antic_safe): Reuse postorder.
6442 (create_component_ref_by_pieces): Modify for bitmapped sets.
6443 (find_or_generate_expression): Ditto.
6444 (create_expression_by_pieces): Ditto.
6445 (insert_into_preds_of_block): Ditto.
6446 (changed_blocks): New variable.
6447 (do_regular_insertion): Broken out from insert_aux.
6448 (insert_aux): Modified for bitmapped sets.
6449 (find_existing_value_expr): New function.
6450 (create_value_expr_from): Use it.
6451 (insert_extra_phis): Removed.
6452 (print_bitmap_set): Renamed from bitmap_print_value_set.
6453 (compute_avail): Handle RETURN_EXPR.
6454 (init_pre): Modify for bitmapped sets.
6455 * tree-flow.h (has_stmt_ann): New function.
6457 2006-10-29 Roger Sayle <roger@eyesopen.com>
6459 * builtins.c (fold_builtin_floor): Check for the availability of
6460 the C99 trunc function before transforming floor into trunc.
6462 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6464 * builtins.c (fold_builtin_hypot): Rearrange recursive
6465 transformation before others, and also do ABS_EXPR. When
6466 necessary, check flag_unsafe_math_optimizations. When necessary,
6469 2006-10-29 Roger Sayle <roger@eyesopen.com>
6471 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6472 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6473 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6474 Fold -X eq/ne -Y as X eq/ne Y.
6476 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6478 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6479 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6480 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6481 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6482 Use an inclusive test for "mult" rather than "mul".
6483 (rotr<mode>3): Depend on ISA_HAS_ROR.
6484 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6486 (GENERATE_MULT3_DI): Delete.
6487 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6488 (ISA_HAS_MUL3): New macro.
6489 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6490 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6491 (ISA_HAS_CLZ_CLO): Likewise.
6492 (ISA_HAS_DCLZ_DCLO): Delete.
6493 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6494 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6495 the VR4120 and VR4130.
6496 (ISA_HAS_MACCHI): Use consistent formatting.
6497 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6498 (ISA_HAS_ROR): ...this new macro.
6499 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6500 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6501 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6503 2006-10-29 Roger Sayle <roger@eyesopen.com>
6505 PR tree-optimization/15458
6506 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6509 2006-10-29 Richard Guenther <rguenther@suse.de>
6511 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6512 (ix86_expand_truncdf_32): Likewise.
6513 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6514 trunc inline for SSE math and -fno-trapping-math and if not
6515 optimizing for size.
6516 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6517 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6518 for expanding btrunc inline for SSE math.
6520 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6522 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6523 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6524 i[34567]86-*-solaris2.1[0-9]*.
6525 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6526 Define conditionally depending on TARGET_64BIT_DEFAULT.
6527 (SPEC_32, SPEC_64): Define.
6528 (LINK_SPEC): Use them.
6529 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6531 2006-10-29 Richard Guenther <rguenther@suse.de>
6533 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6534 (ix86_expand_rounddf_32): Likewise.
6535 * config/i386/i386.c (ix86_expand_round): New function expanding
6536 round inline for SSE math and -fno-trapping-math and if not
6537 optimizing for size.
6538 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6539 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6540 round via ix86_expand_round.
6542 2006-10-29 Richard Guenther <rguenther@suse.de>
6544 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6545 (ix86_expand_floorceildf_32): Likewise.
6546 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6547 static helper function.
6548 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6550 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6551 * config/i386/i386.md (floordf2): Adjust to enable floor
6552 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6553 -fno-trapping-math is enabled and if not optimizing for size.
6554 (floorsf2, ceildf2, ceilsf2): Likewise.
6555 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6556 (sse2_maskcmpdf3): Likewise.
6558 2006-10-29 Richard Guenther <rguenther@suse.de>
6560 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6561 rint in case -fno-trapping-math is enabled.
6562 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6563 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6564 (ix86_expand_sse_fabs): Likewise.
6565 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6566 * config/i386/i386.md (rintdf2): Enable for SSE math if
6567 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6568 (rintsf2): Likewise.
6570 2006-10-29 Richard Guenther <rguenther@suse.de>
6572 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6573 to conversion optabs.
6574 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6575 as conversion optab.
6576 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6577 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6578 (lfloor_optab, lceil_optab): Adjust defines.
6579 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6580 lfloor and lceil optabs now being conversion optabs.
6581 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6582 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6583 New static helper function.
6584 (ix86_expand_lfloorceil): New function to expand lfloor and
6586 * config/i386/i386.md (lfloor<mode>2): Split into ...
6587 (lfloorxf<mode>2): ... x87 variant
6588 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6589 using ix86_expand_lfloorceil.
6590 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6592 * doc/md.texi (lfloorMN, lceilMN): Document.
6594 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6596 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6597 -mno-shared assembler option on mips targets.
6598 * configure, config.in: Regenerate.
6599 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6600 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6601 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6603 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6605 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6606 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6608 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6610 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6611 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6614 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6617 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6618 (fold_builtin_pow): Evaluate constant arguments at compile-time
6620 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6621 (do_mpfr_ckconv): New helper function.
6622 (do_mpfr_arg1): Use do_mpfr_ckconv.
6623 (do_mpfr_arg2): New.
6625 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6628 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6629 (-fdump-rtl-sched): Rename to ..
6630 (-fdump-rtl-sched1): here. Also fix file extension number.
6632 2006-10-28 Richard Guenther <rguenther@suse.de>
6634 * fold-const.c (maybe_canonicalize_comparison): Fix code
6637 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6639 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6640 (NON_QI_REG_P): Use IN_RANGE.
6641 (REX_INT_REGNO_P): Use IN_RANGE.
6642 (FP_REGNO_P): Use IN_RANGE.
6643 (SSE_REGNO_P): Use IN_RANGE.
6644 (REX_SSE_REGNO_P): Use IN_RANGE.
6645 (MMX_REGNO_P): Use IN_RANGE.
6646 (STACK_REGNO_P): New macro.
6647 (STACK_REG_P): Use STACK_REGNO_P.
6648 (NON_STACK_REG_P): Use STACK_REGNO_P.
6649 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6650 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6651 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6652 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6653 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6655 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6657 * except.h (output_function_exception_table): Add 'const char*' param.
6658 * except.c (switch_to_exception_section): Add 'const char*' param.
6659 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6660 and flag_function_sections is set, use a function-specific section.
6661 (output_function_exception_table): Add 'const char*' param.
6662 Adjust call to switch_to_exception_section.
6663 * final.c (rest_of_handle_final): Adjust calls to
6664 output_function_exception_table.
6665 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6666 * config.in: Regenerate.
6667 * configure: Likewise.
6669 2006-10-28 Richard Guenther <rguenther@suse.de>
6672 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6673 for maybe_canonicalize_comparison.
6674 (maybe_canonicalize_comparison): New function for canonicalizing
6676 (fold_comparison): Call it to canonicalize comparisons with
6679 2006-10-28 Richard Guenther <rguenther@suse.de>
6682 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6683 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6684 (expand_builtin): Adjust likewise.
6685 * genopinit.c (optabs[]): Add lround optab.
6686 * optabs.c (init_optabs): Initialize lround_optab.
6687 * optabs.h (enum convert_optab_index): Add COI_lround.
6688 (lround_optab): Define.
6689 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6690 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6692 (ix86_expand_lround): New function.
6693 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6695 * doc/md.texi (lroundMN2): Document.
6697 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6700 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6701 argument to HOST_WIDE_INT. Update function prototype.
6702 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6703 "size" argument to HOST_WIDE_INT. Update function prototype.
6705 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6707 * config/i386/i386.c (output_387_ffreep): Create output from a
6708 template string for !HAVE_AS_IX86_FFREEP.
6710 2006-10-27 Eric Christopher <echristo@apple.com>
6712 * config/darwin.c: Fix formatting and grammar.
6714 2006-10-27 Jan Hubicka <jh@suse.cz>
6716 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6717 to be thrown away soon when IGNORE is set.
6718 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6719 indicating when return value shall not be computed.
6720 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6722 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6724 * config/i386/i386.h (TARGET_GEODE):
6725 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6726 (TARGET_CPU_DEFAULT_geode): New macro.
6727 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6728 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6729 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6730 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6731 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6733 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6734 (processor_type): Add PROCESSOR_GEODE.
6736 * config/i386/i386.md: Include geode.md.
6739 * config/i386/i386.c (geode_cost): New initialized global
6741 (m_GEODE, m_K6_GEODE): New macros.
6742 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6743 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6744 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6745 x86_schedule): Use m_K6_GEODE instead of m_K6.
6746 (x86_movx, x86_cmove): Set up m_GEODE.
6747 (x86_integer_DFmode_moves): Clear m_GEODE.
6748 (processor_target_table): Add entry for geode.
6749 (processor_alias_table): Ditto.
6751 * config/i386/geode.md: New file.
6753 * doc/invoke.texi: Add entry about geode processor.
6755 2006-10-27 Mike Stump <mrs@apple.com>
6757 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6758 __DYNAMIC__ from here back to ...
6759 * config/darwin.h (CPP_SPEC): ... here.
6761 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6762 Nathan Sidwell <nathan@codesourcery.com>
6764 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6765 when choosing the minimum heapsize.
6767 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6769 * gcc/unwind-dw2.h: Move cfa-related variables into
6770 struct frame_state_reg_info to ensure that the CFA is properly
6771 handled when executing DW_CFA_{remember,restore}_state.
6772 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6773 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6774 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6775 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6776 gcc/config/rs6000/linux-unwind.h,
6777 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6778 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6779 Modify to use new cfa_* fields.
6781 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6783 * config/s390/s390.c (s390_init_frame_layout): Check positive
6786 2006-10-26 Ben Elliston <bje@au.ibm.com>
6788 * gimplify.c (get_name): Remove extraneous break.
6789 (gimplify_omp_for): Initialise ret with GS_OK.
6791 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6793 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6794 Add unix98.o to link line.
6796 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6799 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6800 Calculate compile-time constants using MPFR.
6801 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6802 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6804 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6806 * config/xtensa/lib2funcs.S: Use C-style comments.
6808 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6810 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6811 (file_table_relative_p): Likewise.
6812 (dwarf2out_finish): Likewise.
6813 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6815 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6817 * tree-ssa-structalias.c (intra_create_variable_infos):
6818 Don't recreate nonlocal_all if it already exists.
6820 2006-10-25 Richard Guenther <rguenther@suse.de>
6823 * optabs.h (enum optab_index): Remove OTI_lrint.
6824 (enum convert_optab_index): Add COI_lrint.
6825 (lrint_optab): Adjust.
6826 (expand_sfix_optab): Declare.
6827 * optabs.c (expand_sfix_optab): New function.
6828 (init_optabs): Init lrint_optab as conversion optab.
6829 * genopinit.c (lrint_optab): Change to a conversion optab.
6830 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6831 expansion via conversion optab.
6832 * config/i386/i386.md (*fistdi2_1): Remove
6833 flag_unsafe_math_optimizations guard.
6834 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6835 fist<mode>2_with_temp): Likewise.
6836 (lrint<mode>2): Split into...
6837 (lrintxf<mode>2): ... x87 part
6838 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6839 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6840 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6841 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6842 * doc/md.texi (lrintMN2): Document.
6844 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6847 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6848 Use inc and dec instructions for TARGET_USE_INCDEC.
6849 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6850 ("sync_double_compare_and_swap<mode>"): Likewise.
6851 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6852 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6853 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6854 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6855 ("sync_old_add<mode>"): Likewise.
6856 ("sync_lock_test_and_set<mode>"): Likewise.
6857 ("sync_lock_test_and_set<mode>"): Likewise.
6858 ("sync_add<mode>"): Likewise.
6859 ("sync_sub<mode>"): Likewise.
6860 ("sync_ior<mode>"): Likewise.
6861 ("sync_and<mode>"): Likewise.
6862 ("sync_xor<mode>"): Likewise.
6864 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6866 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6867 (remainder_optab): Define corresponding macro.
6868 (drem_optab): Remove.
6869 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6870 drem_optab initialization.
6871 * genopinit.c (optabs): Implement remainder_optab using
6872 remainder?f3 patterns. Remove drem_optab.
6873 * builtins.c (expand_builtin_mathfn_2): Handle
6874 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6875 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6876 expand_builtin_mathfn_2.
6878 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6879 depend on flag_unsafe_math_optimizations.
6881 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6882 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6883 Do not depend on flag_unsafe_math_optimizations. Use
6884 truncxf?f expander instead of truncxf?f_i387_noop.
6886 ("fpremxf4", "fprem1xf4"): Do not depend on
6887 flag_unsafe_math_optimizations.
6888 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6889 flag_unsafe_math_optimizations. Use truncxf?f expander
6890 instead of truncxf?f_i387_noop.
6892 * doc/md.texi (fmod, remainder): Document standard named pattern.
6894 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6895 David Daney <ddaney@avtrex.com>
6898 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6900 2006-10-25 Ben Elliston <bje@au.ibm.com>
6902 * doc/extend.texi (Variable Attributes): Typo fix.
6904 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6906 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6907 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6908 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6909 (FRAME_POINTER_REGNUM): Update register number to 21.
6910 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6911 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6913 * config/i386/i386.c (regclass_map): Add fpcr entry.
6914 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6916 (print_reg): Assert REGNO (x) != FPCR_REG.
6918 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6919 (DIRFLAG_REG): Renumber.
6920 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6921 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6922 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6923 hardcoded SSE register numbers.
6925 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6926 hardcoded MMX register numbers.
6928 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6931 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6932 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6934 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6935 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6936 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6937 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6939 2006-10-24 Richard Guenther <rguenther@suse.de>
6942 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6943 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6944 for deciding optimizations in consistency with fold-const.c
6945 (fold_builtin_unordered_cmp): Likewise.
6947 2006-10-24 Richard Guenther <rguenther@suse.de>
6949 * builtins.c (fold_builtin_floor): Fold floor (x) where
6950 x is nonnegative to trunc (x).
6951 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6952 nonnegative to FIX_TRUNC_EXPR.
6954 2006-10-24 Richard Guenther <rguenther@suse.de>
6956 PR tree-optimization/29567
6957 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6958 for TRUTH_NOT_EXPR. Clarify comments.
6960 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6963 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6964 at compile-time using MPFR. Change parameter VALUE to FUNC,
6966 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6967 for overflow and underflow at all times and avoid folding in
6970 2006-10-24 Ben Elliston <bje@au.ibm.com>
6972 * reload1.c: Formatting fixes.
6974 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6976 PR tree-optimization/14784
6977 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6978 * tree-ssa-structalias.c (get_constraint_for,
6979 intra_create_variable_infos): Set is_heapvar.
6980 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6981 non-heapvar pointer variables specially.
6983 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6986 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6987 fold_builtin_tan): Fold all constant arguments. Take a "type"
6988 argument as necessary.
6989 (do_mpfr_arg1): New.
6990 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6992 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6994 * config/xtensa/lib1funcs.asm: Use C-style comments.
6996 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6998 * tree.c (local_define_builtin): Replace calls to
6999 lang_hooks.builtin_function with add_builtin_function.
7000 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7002 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7004 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7005 common code to add_builtin_function.
7006 * langhooks.c (add_builtin_function): New function.
7007 (lhd_builtin_function): New function.
7008 * langhooks.h (struct lang_hooks): Change the signature of
7010 (add_builtin_function): New function.
7011 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7012 calls to lang_hooks.builtin_function with add_builtin_function.
7013 * c-common.c (decl_builtin_1): Replace calls to
7014 lang_hooks.builtin_function with add_builtin_function.
7015 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7016 lang_hooks.builtin_function with add_builtin_function.
7017 * config/frv/frv.c (def_builtin): Replace calls to
7018 lang_hooks.builtin_function with add_builtin_function.
7019 * config/s390/s390.c (s390_init_builtins): Replace calls to
7020 lang_hooks.builtin_function with add_builtin_function.
7021 * config/sparc/sparc.c (def_builtin): Replace calls to
7022 lang_hooks.builtin_function with add_builtin_function.
7023 * config/i386/i386.c (def_builtin): Replace calls to
7024 lang_hooks.builtin_function with add_builtin_function.
7025 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7026 lang_hooks.builtin_function with add_builtin_function.
7027 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7028 lang_hooks.builtin_function with add_builtin_function.
7029 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7030 Replace calls to lang_hooks.builtin_function with
7031 add_builtin_function.
7032 * config/iq2000/iq2000.c (def_builtin):
7033 Replace calls to lang_hooks.builtin_function with
7034 add_builtin_function.
7035 * config/ia64/ia64.c (def_builtin): Replace calls to
7036 lang_hooks.builtin_function with add_builtin_function.
7037 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7038 lang_hooks.builtin_function with add_builtin_function.
7039 (altivec_init_builtins): Replace calls to
7040 lang_hooks.builtin_function with add_builtin_function.
7041 * config/arm/arm.c (def_mbuiltin): Replace calls to
7042 lang_hooks.builtin_function with add_builtin_function.
7043 (arm_init_tls_builtins): Replace calls to
7044 lang_hooks.builtin_function with add_builtin_function.
7045 * config/mips/mips.c (mips_init_builtins): Replace calls to
7046 lang_hooks.builtin_function with add_builtin_function.
7047 * config/bfin/bfin.c (def_builtin): Replace calls to
7048 lang_hooks.builtin_function with add_builtin_function.
7049 * langhooks-def.h (lhd_builtin_function): New function.
7050 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7052 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7054 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7055 BUILT_IN_STRNCAT_CHK.
7057 2006-10-23 Jan Hubicka <jh@suse.cz>
7059 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7060 don't do conversion from memmove to memcpy here.
7061 (expand_builtin_bcopy, expand_builtin): Update call of
7062 expand_builtin_memmove.
7063 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7065 2006-10-23 Paul Brook <paul@codesourcery.com>
7067 * stor-layout.c (start_record_layout): maximum_field_alignment
7068 overrides STRUCTURE_SIZE_BOUNDARY.
7070 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7072 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7073 nonlocal function symbols if flag_pic.
7075 2006-10-23 Richard Guenther <rguenther@suse.de>
7079 * builtins.c (fold_binary): Remove checks for flag_wrapv
7080 and flag_trapv where negate_expr_p covers these cases.
7082 2006-10-23 Richard Guenther <rguenther@suse.de>
7085 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7086 of two on the absolute value.
7087 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7088 and negating -C does not overflow.
7090 2006-10-23 Richard Guenther <rguenther@suse.de>
7093 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7094 only if not flag_rounding_math.
7096 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7097 Kaz Kojima <kkojima@gcc.gnu.org>
7100 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7101 SImode memory reference for the source of a movua.
7102 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7103 (movua): Use an unspec instead of sign_extract. Expect the source
7104 to have mode BLKmode.
7105 (extv, insv): Use a BLKmode rather than SImode memory reference
7106 for the source of a movua.
7108 2006-10-22 Jeff Law <law@redhat.com>
7109 Richard Guenther <rguenther@suse.de>
7111 PR tree-optimization/15911
7112 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7113 (register_edge_assert_for_1): Likewise.
7114 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7115 (find_conditional_asserts): Adjust for new function signature.
7116 (find_assert_locations): Likewise.
7118 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7120 * config/i386/tmmintrin.h: Remove the duplicated content.
7122 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7124 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7125 (x86_64-*-*): Likewise.
7127 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7128 (override_options): Check SSSE3.
7129 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7130 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7131 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7132 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7133 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7134 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7135 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7136 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7137 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7138 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7139 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7140 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7141 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7142 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7143 IX86_BUILTIN_PABSD128.
7144 (bdesc_2arg): Add SSSE3.
7145 (bdesc_1arg): Likewise.
7146 (ix86_init_mmx_sse_builtins): Support SSSE3.
7147 (ix86_expand_builtin): Likewise.
7148 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7150 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7151 (UNSPEC_PSIGN): Likewise.
7152 (UNSPEC_PALIGNR): Likewise.
7153 Include mmx.md before sse.md.
7155 * config/i386/i386.opt: Add -mssse3.
7157 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7158 (ssse3_phaddwv4hi3): Likewise.
7159 (ssse3_phadddv4si3): Likewise.
7160 (ssse3_phadddv2si3): Likewise.
7161 (ssse3_phaddswv8hi3): Likewise.
7162 (ssse3_phaddswv4hi3): Likewise.
7163 (ssse3_phsubwv8hi3): Likewise.
7164 (ssse3_phsubwv4hi3): Likewise.
7165 (ssse3_phsubdv4si3): Likewise.
7166 (ssse3_phsubdv2si3): Likewise.
7167 (ssse3_phsubswv8hi3): Likewise.
7168 (ssse3_phsubswv4hi3): Likewise.
7169 (ssse3_pmaddubswv8hi3): Likewise.
7170 (ssse3_pmaddubswv4hi3): Likewise.
7171 (ssse3_pmulhrswv8hi3): Likewise.
7172 (ssse3_pmulhrswv4hi3): Likewise.
7173 (ssse3_pshufbv16qi3): Likewise.
7174 (ssse3_pshufbv8qi3): Likewise.
7175 (ssse3_psign<mode>3): Likewise.
7176 (ssse3_psign<mode>3): Likewise.
7177 (ssse3_palignrti): Likewise.
7178 (ssse3_palignrdi): Likewise.
7179 (abs<mode>2): Likewise.
7180 (abs<mode>2): Likewise.
7182 * config/i386/tmmintrin.h: New file.
7184 * doc/extend.texi: Document SSSE3 built-in functions.
7186 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7188 2006-10-22 Ira Rosen <irar@il.ibm.com>
7190 * tree-vect-transform.c (vectorizable_load): Use the type of the
7191 return value of the mask_for_load builtin to create realign_load
7194 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7196 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7199 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7201 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7202 (UNSPEC_LDDQU): This.
7203 * config/i386/sse.md (sse3_lddqu): Updated.
7205 2006-10-21 Richard Guenther <rguenther@suse.de>
7207 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7208 (expand_builtin): Use it to expand lrint instead of
7209 expand_builtin_mathfn.
7211 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7214 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7215 flag_unsafe_math_optimizations is set.
7217 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7220 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7221 patterns to use memory input operand in x87->mem->XMM
7222 reload sequences. Skip transformation for TARGET_K8.
7224 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7226 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7227 force operand1 to register if both operands are memory operands.
7228 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7229 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7230 if both operands are memory operands.
7231 (truncdfsf2): Do not force operand1 to register if both operands
7232 are memory operands.
7234 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7236 * Makefile.in (LIBS): Add $(GMPLIBS).
7237 * doc/install.texi: Update GMP and MPFR requirements.
7238 * doc/sourcebuild.texi (need_gmp): Delete.
7240 2006-10-21 Richard Guenther <rguenther@suse.de>
7242 PR tree-optimization/3511
7243 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7244 got new invariant arguments during PHI translation.
7246 2006-10-21 Richard Guenther <rguenther@suse.de>
7249 * fold-const.c (fold_comparison): Fold signed comparisons
7250 of the form X +- C1 CMP Y +- C2.
7252 2006-10-21 Richard Guenther <rguenther@suse.de>
7255 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7256 if flag_unsafe_math_optimizations is specified. We have
7257 flag_finite_math_only for that.
7258 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7259 or flag_unsafe_math_optimizations.
7261 2006-10-21 Richard Guenther <rguenther@suse.de>
7263 * builtins.c (fold_builtin_classify): Fix typo.
7265 2006-10-21 Richard Guenther <rguenther@suse.de>
7268 * simplify-rtx.c (simplify_const_relational_operation):
7269 Do not constant-fold ORDERED and UNORDERED for
7270 flag_unsafe_math_optimizations but only we do not need to
7271 honor NaNs for the given mode.
7273 2006-10-21 Richard Guenther <rguenther@suse.de>
7276 * config/i386/i386.c (classify_argument): Remove redundant
7277 walking of the BINFOs.
7278 (contains_128bit_aligned_vector_p): Likewise.
7280 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7282 * BASE-VER: Set to 4.3.0.
7284 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7286 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7287 (tree_decl_with_vis): Remove artificial_pta_var flag.
7288 * tree-flow.h (referenced_var_check_and_insert): Expose.
7289 (nonlocal_all): New prototype.
7290 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7291 (nonlocal_all): Make global.
7292 (nonlocal_lookup): Remove.
7293 (nonlocal_insert): Ditto.
7294 (create_nonlocal_var): Do not call nonlocal_insert.
7295 (get_nonlocal_id_for_type): Remove.
7296 (find_global_initializers): Mark new vars we find for renaming.
7297 (intra_create_variable_infos): Only create one nonlocal.
7298 (expand_nonlocal_solutions): Remove.
7299 (compute_points_to_sets): Don't call it.
7300 (ipa_pta_execute): Ditto.
7301 (init_alias_heapvars): Don't create nonlocal_for_type.
7302 (delete_alias_heapvars): Don't remove it.
7303 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7306 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7308 * doc/install.texi (Downloading GCC): Clarify mention of
7309 Fortran in the "full distribution" description.
7311 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7313 Fix PR tree-optimization/28778
7314 Fix PR tree-optimization/29156
7315 Fix PR tree-optimization/29415
7316 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7317 (tree_decl_with_vis): Add artificial_pta_var flag.
7318 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7319 pushed into callers.
7320 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7321 (nonlocal_all): Ditto.
7322 (struct variable_info): Add directly_dereferenced member.
7323 (var_escaped_vars): New variable.
7324 (escaped_vars_tree): Ditto.
7325 (escaped_vars_id): Ditto.
7326 (nonlocal_vars_id): Ditto.
7327 (new_var_info): Set directly_dereferenced.
7328 (graph_size): New variable
7329 (build_constraint_graph): Use graph_size.
7330 (solve_graph): Don't process constraints that cannot change the
7331 solution, don't try to propagate an empty solution to our
7333 (process_constraint): Set directly_dereferenced.
7334 (could_have_pointers): New function.
7335 (get_constraint_for_component_ref): Don't process STRING_CST.
7336 (nonlocal_lookup): New function.
7337 (nonlocal_insert): Ditto.
7338 (create_nonlocal_var): Ditto.
7339 (get_nonlocal_id_for_type): Ditto.
7340 (get_constraint_for): Allow results vector to be empty in the case
7341 of string constants.
7342 Handle results of calls properly.
7343 (update_alias_info): Update alias info stats on number and type of
7345 (find_func_aliases): Use could_have_pointers.
7346 (make_constraint_from_escaped): Renamed from
7347 make_constraint_to_anything, and changed to make constraints from
7349 (make_constraint_to_escaped): New function.
7350 (find_global_initializers): Ditto.
7351 (create_variable_info_for): Make constraint from escaped to any
7352 global variable, and from any global variable to the set of
7354 (intra_create_variable_infos): Deal with escaped instead of
7355 pointing to anything.
7356 (set_uids_in_ptset): Do type pruning on directly dereferenced
7358 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7359 (init_base_vars): Fix comment, and initialize escaped_vars.
7360 (need_to_solve): Removed.
7361 (find_escape_constraints): New function.
7362 (expand_nonlocal_solutions): Ditto.
7363 (compute_points_to_sets): Call find_escape_constraints and
7364 expand_nonlocal_solutions.
7365 (delete_points_to_sets): Don't fall off the end of the graph.
7366 (init_alias_heapvars): Initialize nonlocal_for_type and
7368 (delete_alias_heapvars): Free nonlocal_for_type and null out
7371 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7373 * fold-const.c (add_double): Rename to add_double_with_sign.
7374 Add 'unsigned_p' parameter and take it into account for the overflow.
7375 (mul_double): Rename to mul_double_with_sign.
7376 Add 'unsigned_p' parameter and take it into account for the overflow.
7377 (fold_div_compare): Call add_double_with_sign instead of add_double
7378 and mul_double_with_sign instead of mul_double, passing them the
7379 unsignedness of the type.
7380 * tree.h (add_double): Macroize.
7381 (add_double_with_sign): New prototype.
7382 (mul_double): Macroize.
7383 (mul_double_with_sign): New prototype.
7385 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7387 * config/score/crti.asm: New file.
7388 * config/score/crtn.asm: New file.
7389 * config/score/elf.h: New file.
7390 * config/score/mac.md: New file.
7391 * config/score/misc.md: New file.
7392 * config/score/mul-div.S: New file.
7393 * config/score/predicates.md: New file.
7394 * config/score/score7.md: New file.
7395 * config/score/score.c: New file.
7396 * config/score/score-conv.h: New file.
7397 * config/score/score.h: New file.
7398 * config/score/score.md: New file.
7399 * config/score/score-mdaux.c: New file.
7400 * config/score/score-mdaux.h: New file.
7401 * config/score/score-modes.def: New file.
7402 * config/score/score.opt: New file.
7403 * config/score/score-protos.h: New file.
7404 * config/score/score-version.h: New file.
7405 * config/score/t-score-elf: New file.
7406 * config.gcc: Add score*-*-* configurations(Update before).
7407 * doc/invoke.texi (Score Options): New section.
7408 * doc/md.texi (Score family): New section to document constraints.
7410 2006-10-19 Nick Clifton <nickc@redhat.com>
7412 * config/arm/arm.c: Fix spelling typo.
7414 2006-10-18 Tom Tromey <tromey@redhat.com>
7416 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7418 2006-10-18 Jan Hubicka <jh@suse.cz>
7421 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7424 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7426 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7427 TSI_SAME_STMT, since that's the desired entity.
7429 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7431 * config/s390/contraints.md: New file.
7432 * config/s390/s390-protos.h (s390_mem_constraint,
7433 s390_O_constraint_str, s390_N_constraint_str,
7434 s390_float_const_zero_p): Function prototypes added.
7435 * config/s390/s390.c (s390_extra_constraint_str,
7436 s390_const_double_ok_for_constraint_p,
7437 s390_const_ok_for_constraint_p): Functions removed.
7438 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7439 s390_float_const_zero_p): New functions.
7440 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7441 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7442 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7443 Macro definitions removed.
7444 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7445 s390_extra_constraint_str): Functions removed.
7447 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7448 Richard Sandiford <richard@codesourcery.com>
7451 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7452 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7454 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7456 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7457 (DWARF2_FRAME_REG_OUT): Likewise.
7458 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7459 (DWARF2_FRAME_REG_OUT): Likewise.
7461 2006-10-17 Paul Brook <paul@codesourcery.com>
7463 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7465 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7467 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7468 Standardize on "GNU Fortran" as the official name of the Fortran
7471 2006-10-16 Mike Stump <mrs@apple.com>
7473 * doc/invoke.texi (Darwin Options): Document -mkernel.
7474 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7476 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7477 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7478 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7479 (OS_MISSING_ALTIVEC): Add.
7480 * config/i386/i386.c (override_options): Add
7481 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7482 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7483 -mkernel, -static or -mdynamic-no-pic is given.
7484 (C_COMMON_OVERRIDE_OPTIONS): Add.
7485 * config/darwin.opt (fapple-kext): Add.
7487 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7488 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7490 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7491 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7492 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7493 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7494 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7495 (flag_mkernel): Add.
7496 (flag_apple_kext): Add.
7497 (TARGET_KEXTABI): Add.
7498 * config/darwin.c (darwin_handle_kext_attribute): Add.
7499 (DARWIN_VTABLE_P): Add.
7500 (darwin_binds_local_p): Add partial support for rebinding vtables
7502 (darwin_kextabi_p): Add.
7503 (darwin_override_options): Add.
7504 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7505 (darwin_kextabi_p): Add.
7506 (darwin_override_options): Add.
7507 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7508 __DYNAMIC__ and __STATIC__ here.
7510 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7512 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7513 Added mention of "make pdf" target, and Texinfo requirements for
7516 2006-10-16 DJ Delorie <dj@redhat.com>
7518 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7519 into the GOT in case we need a subreg of the address.
7521 2006-10-16 Richard Guenther <rguenther@suse.de>
7524 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7525 SSE builtin documentation. Document SSE2 builtins.
7527 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7529 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7530 symbol in the output file for non-shared links when -nostdlib or
7531 -nodefaultlibs isn't specified.
7533 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7534 posix thread support.
7536 2006-10-15 Jan Hubicka <jh@suse.cz>
7539 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7540 declared always_inline even when not inlining.
7542 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7543 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7544 Andrew Pinski <pinskia@gmail.com>
7547 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7549 2006-10-15 Jan Hubicka <jh@suse.cz>
7550 Richard Guenther <rguenther@suse.de>
7553 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7554 process_function_and_variable_attributes on all variables, including
7555 those discovered during cgraph construction phase.
7557 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7559 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7561 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7563 * config/i386/athlon.md (athlon_fist): Add fisttp.
7565 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7566 Ian Lance Taylor <ian@airs.com>
7569 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7570 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7573 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7575 * config/score/score.c, config/score/score.h: Fix comment
7578 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7581 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7584 2006-10-13 Eric Christopher <echristo@apple.com>
7586 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7588 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7591 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7592 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7593 alignment supported by 32-bit ELF.
7595 2006-10-13 Eric Christopher <echristo@apple.com>
7597 * config/darwin.c (darwin_emit_unwind_label): Strip
7598 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7600 2006-10-13 Richard Guenther <rguenther@suse.de>
7602 PR tree-optimization/29446
7603 * tree-vrp.c (fix_equivalence_set): Remove.
7604 (extract_range_from_assert): Do not call fix_equivalence_set.
7605 (debug_value_range): Print a newline.
7606 (compare_name_with_value): For equivalence sets with
7607 inconsistent value ranges conservatively bail out.
7608 (compare_names): Likewise.
7610 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7612 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7613 and MPFR for gfortran.
7615 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7617 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7618 alignment supported by 32-bit ELF.
7620 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7624 * c-typeck.c (digest_init): Always allow initializing vectors
7625 that have static storage duration with compound literals.
7626 * tree.c (build_type_attribute_qual_variant): New, based on
7627 build_type_attribute_variant.
7628 (build_type_attribute_variant): Rewrite using the former.
7629 (make_vector_type): Use build_type_attribute_qual_variant to build
7630 type variants. Use type_hash_canon on the others.
7632 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7633 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7635 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7637 2006-10-12 Jan Hubicka <jh@suse.cz>
7640 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7641 current_function_decl is set but current_function_scope is not.
7643 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7645 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7646 emit_insn to emit eh_return_internal instruction.
7647 (eh_return_internal): Explicitly set pc.
7649 2006-10-11 Richard Guenther <rguenther@suse.de>
7651 PR tree-optimization/28230
7652 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7653 to the correct place.
7655 2006-10-11 Richard Guenther <rguenther@suse.de>
7658 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7661 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7663 * configure.ac: Added pdf to "Make-hooks"
7664 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7665 targets and *.pdf file patterns in cleanup targets.
7666 * configure: Regenerated.
7668 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7670 * config/avr/predicates.md: New file.
7671 * config/avr/avr.md: Include it.
7672 (REG_SP): New constant.
7673 (peepholes): Use predicates.
7674 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7675 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7676 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7678 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7680 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7683 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7686 * builtins.c (var_decl_component_p): New function.
7687 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7688 single entry optimization to variables and components thereof.
7690 2006-10-10 Richard Guenther <rguenther@suse.de>
7692 PR rtl-optimization/29323
7693 * except.c (set_nothrow_function_flags): For functions
7694 that do not bind local bail out early.
7696 2006-10-10 Ben Elliston <bje@au.ibm.com>
7698 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7701 2006-10-09 Richard Henderson <rth@redhat.com>
7703 Revert emutls patch.
7705 2006-10-09 Richard Guenther <rguenther@suse.de>
7708 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7711 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7714 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7715 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7716 * configure: Regenerate.
7717 * config.in: Regenerate.
7719 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7721 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7723 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7725 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7726 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7727 Remove stray newline.
7729 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7731 * config/mips/mips.c (mips_classify_symbol): Do not return
7732 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7733 (mips_in_small_data_p): Tweak comments.
7735 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7737 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7739 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7741 * gimplify.c, sched-int.h: Fix comment typos.
7743 * sched-int.h: Fix comment typos.
7745 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7747 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7749 * sched-ebb.c (begin_schedule_ready): Use them.
7750 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7751 add_to_speculative_block, create_check_block_twin, speculate_insn,
7752 fix_jump_move, move_block_after_check): Ditto.
7753 * sched-rgn.c (new_ready): Ditto.
7755 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7757 PR rtl-optimization/29128
7758 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7759 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7760 allow interblock movement of speculation checks.
7762 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7765 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7766 casted to integer type.
7767 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7768 if they are significantly more expensive than [reg + index] ones.
7770 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7772 PR tree-optimization/29330
7773 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7774 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7775 on newly allocated ddrs.
7776 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7777 to VEC (loop_p, heap) pointer.
7778 (compute_data_dependences_for_loop): Adjust caller.
7779 (free_dependence_relations): Free DDR_LOOP_NEST.
7781 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7782 free DEPENDENCE_RELATIONS and DATAREFS.
7785 * builtins.c (expand_builtin_sync_operation,
7786 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7787 Use convert_to_mode to handle promoted arguments.
7789 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7791 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7793 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7795 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7797 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7799 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7800 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7801 Use <modeconstraint> instead of "r" as operand 1 constraint.
7803 2006-10-06 Olivier Hainque <hainque@adacore.com>
7805 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7806 Don't recurse on the pointed-to type.
7807 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7808 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7809 types with components of variable size.
7811 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7813 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7815 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7817 PR tree-optimization/29290
7818 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7822 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7823 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7826 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7827 the number of vector elements fill the rest with zeros.
7829 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7831 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7832 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7835 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7837 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7838 unnamed pattern into subsi3. Use correct constraints/predicates.
7839 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7840 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7842 2006-10-05 Ira Rosen <irar@il.ibm.com>
7844 * doc/loop.texi: Add data references analysis description.
7846 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7848 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7850 2006-10-04 Richard Henderson <rth@redhat.com>
7851 Jakub Jelinek <jakub@redhat.com>
7853 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7854 * builtin-types.def (BT_WORD): Make unsigned.
7855 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7856 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7857 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7858 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7859 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7860 * cgraph.c (decide_is_variable_needed): Look at force_output.
7861 Recurse for emulated tls.
7862 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7863 checks redundant with decide_is_variable_needed.
7864 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7865 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7867 * expr.c (emutls_var_address): New.
7868 (expand_expr_real_1): Expand emulated tls.
7869 (expand_expr_addr_expr_1): Likewise.
7870 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7871 * output.h (emutls_finish): Declare.
7872 * toplev.c (compile_file): Call it.
7873 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7874 address before wrapping in CONST.
7875 * varasm.c (emutls_htab, emutls_object_type): New.
7876 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7877 (get_emutls_object_name, get_emutls_object_type): New.
7878 (get_emutls_init_templ_addr, emutls_decl): New.
7879 (emutls_common_1, emutls_finish): New.
7880 (assemble_variable): When emulating tls, swap decls; generate
7881 constructor for the emutls objects.
7882 (do_assemble_alias): When emulating tls, swap decl and target name.
7883 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7885 * emutls.c: New file.
7886 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7887 tls_object for real tls.
7889 2006-10-04 Zack Weinberg <zackw@panix.com>
7891 Fix bug in constraint-check generator, reported by Rask Ingemann
7893 * genpreds.c (add_constraint): Don't remove anything from the
7895 (write_tm_constrs_h): Detect whether "op" argument is used, and
7896 mark it ARG_UNUSED if it isn't.
7897 (write_insn_const_int_ok_for_constraint): Skip the part of the
7898 expression that would test whether "op" (which is not available
7899 here) is a CONST_INT.
7901 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7904 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7906 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7908 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7909 current Leopard versions.
7910 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7912 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7914 * doc/install.texi: Fix typos.
7916 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7918 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7919 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7920 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7922 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7924 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7925 arg to be struct mach_header_64* instead.
7927 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7930 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7931 side effects after the outer expression's post side effects.
7933 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7935 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7936 comments to reflect actual behavior and relationship between
7937 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7939 * doc/c-tree.texi (Working with declarations): Fix documentation
7940 of FIELD_DECL likewise.
7942 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7945 * doc/extend.texi: Add used variable attribute description.
7947 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7950 * c.opt (Woverride-init): New.
7951 * c-opts.c (c_common_post_options): Default warn_override_init to
7953 * c-typeck.c (add_pending_init, output_init_element): Warn for
7954 overriding initializers without side effects.
7955 * doc/invoke.texi (-Woverride-init): Document.
7958 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7960 PR rtl-optimization/28096
7961 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7962 assignment has already been used as a destination earlier in the block.
7964 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7966 * builtins.c (expand_builtin_setjmp): Delete.
7967 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7968 <BUILT_IN_SETJMP_SETUP>: New case.
7969 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7970 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7971 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7972 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7973 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7974 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7975 (lower_function_body): Initialize it to false. If it is set to true
7976 at the end of the processing, emit the setjmp dispatcher.
7977 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7978 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7979 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7980 on the rhs of the assignment.
7981 (lower_builtin_setjmp): New function.
7982 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7983 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7984 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7985 to detect calls that can go to non-local labels. Use specific
7986 helper to create the abnormal edges associated with them.
7987 <MODIFY_EXPR>: Likewise.
7988 (make_abnormal_goto_edges): New function extracted from...
7989 (make_goto_expr_edges): ...here. Call it for computed gotos.
7990 (simple_goto_p): Minor tweak.
7991 (tree_can_make_abnormal_goto): New predicate.
7992 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7993 (tree_purge_dead_abnormal_call_edges): New function.
7994 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7995 (tree_purge_dead_abnormal_call_edges): Likewise.
7996 (make_abnormal_goto_edges): Likewise.
7997 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7998 Purge all dead abnormal edges if the call was in the last statement.
7999 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8000 (execute_fixup_cfg): If there are non-local labels in the function,
8001 scan the basic blocks and split them at calls that can go to non-local
8002 labels or add missing abnormal call edges. Write down the CFG in the
8004 (pass_fixup_cfg): Remove TODO_dump_func flag.
8005 * unwind-sjlj.c: Poison setjmp.
8006 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8007 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8008 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8009 (DONT_USE_BUILTIN_SETJMP): Document it.
8011 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8014 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8015 to 1 when __ppc64__ is defined.
8016 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8018 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8020 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8022 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8023 * config/ia64/unwind-hpux.c: Delete.
8025 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8027 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8028 on the element before gimplifying it, instead of punting if it is of
8031 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8033 * doc/loop.texi: New file.
8034 * doc/gccint.texi: Reference loop.texi.
8035 * Makefile.in (loop.texi): Add.
8037 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8039 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8041 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8042 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8044 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8046 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8048 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8050 * doc/install.texi: Document required versions of GMP and MPFR.
8052 2006-09-27 Paul Brook <paul@codesourcery.com>
8055 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8057 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8059 * reload1.c (alter_reg): Require the alignment of the stack slot to
8060 be at least reg_max_ref_width bytes.
8061 (scan_paradoxical_subregs): Record the largest width in
8064 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8068 * tree-nested.c (struct nesting_info): Added static_chain_added.
8069 (convert_call_expr): Set static_chain_added when adding static
8070 chain. Handle OMP_PARALLEL and OMP_SECTION.
8072 2006-09-25 Matthias Klose <doko@debian.org>
8074 * doc/invoke.texi: Add missing full stop.
8076 2006-09-25 Richard Henderson <rth@redhat.com>
8078 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8079 before cgraph_function_flags_ready.
8081 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8082 Adam Nemet <anemet@caviumnetworks.com>
8084 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8085 determine_common_wider_type): New functions.
8086 (get_computation_aff): Use them to simplify arithmetic between
8087 UBASE and CBASE if they are shortened from the same type.
8089 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8092 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8093 -2147483647 - 1 instead of 0x80000000.
8095 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8097 * flags.h (HONOR_NANS): Fix typo in comment.
8099 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8101 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8103 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8107 * tree.c (merge_attributes, attribute_list_contained): If both
8108 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8110 * c-typeck.c (comptypes_internal): Don't consider aggregates
8111 in different TUs as compatible if there one set of attributes is
8112 not a subset of the other type's attributes.
8113 (composite_type): Try harder not to create a new aggregate type.
8115 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8117 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8118 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8119 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8120 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8121 than replicating condition above.
8122 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8124 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8125 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8126 the linker by default.
8128 2006-09-22 Mike Stump <mrs@apple.com>
8130 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8133 2006-09-22 Richard Guenther <rguenther@suse.de>
8136 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8137 sort of stack variables stable.
8139 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8142 * explow.c (force_reg): Set REG_POINTER flag according to
8145 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8147 PR tree-optimization/28888
8148 * tree-if-conv.c (combine_blocks): Rewritten.
8149 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8150 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8152 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8154 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8157 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8159 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8161 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8163 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8165 2006-09-21 Roger Sayle <roger@eyesopen.com>
8168 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8169 dw_fde_current_label, to be the start of the function, i.e. the same
8170 value as dw_fde_begin.
8172 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8174 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8175 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8176 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8177 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8178 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8179 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8180 (abs<mode>2, neg<mode>2): Likewise.
8181 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8182 (*mips_abs_ps): New define_insn.
8184 2006-09-20 Josh Conner <jconner@apple.com>
8187 * calls.c (expand_call): Allow reuse of structure return stack
8190 2006-09-20 Paul Brook <paul@codesourcery.com>
8192 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8195 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8197 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8198 clean up terminology.
8200 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8203 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8204 with tablejumps in them.
8206 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8209 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8210 wrap it into TARGET_EXPR.
8212 2006-09-20 Eric Christopher <echristo@apple.com>
8214 * config/i386/i386.c (x86_fisttp): Remove.
8215 * config/i386/i386.h (x86_fisttp): Ditto.
8216 (TARGET_FISTTP): Ditto.
8218 2006-09-19 Eric Christopher <echristo@apple.com>
8220 * doc/tm.texi (OBJC_JBLEN): Describe.
8221 * config/i386/darwin.h (OBJC_JBLEN): Define.
8222 * config/rs6000/darwin.h: Ditto.
8224 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8226 PR rtl-optimization/21299
8227 * reload1.c (reload): Purge invalid ASMs in the final pass.
8229 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8232 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8233 pointers as legitimate constants.
8235 2006-09-19 Paul Brook <paul@codesourcery.com>
8238 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8240 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8242 PR tree-optimization/28887
8243 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8244 component parts from the reference.
8245 (gather_memory_references_ref): Record the reference without the
8246 nonaddressable component parts.
8248 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8251 * c-opts.c (c_common_handle_option): Ignore the -std options
8252 if the input language is assembly.
8254 2006-09-17 Ira Rosen <irar@il.ibm.com>
8257 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8259 (ptr_ptr_may_alias_p): Likewise.
8260 (record_record_differ_p): New function.
8261 (base_object_differ_p): Call record_record_differ_p.
8263 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8266 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8267 away for the expr argument.
8269 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8272 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8273 before using it for dumping after vectorizing loops.
8275 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8276 Jack Howarth <howarth@bromo.med.uc.edu>
8279 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8280 skip on error_mark_node.
8281 (rs6000_darwin64_record_arg_recurse): Likewise.
8283 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8285 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8286 * doc/rtl.texi: Remove related documentation.
8288 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8290 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8293 2006-09-15 Jim Wilson <wilson@specifix.com>
8295 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8296 Handle symbol offsets same as they are handled in ia64_expand_move
8299 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8301 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8302 Add forgotten parameter to the fprintf call.
8304 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8306 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8308 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8310 * doc/contrib.texi: Add my entry.
8312 2006-09-15 Nick Clifton <nickc@redhat.com>
8314 * doc/md.texi (Processor pipeline description): Fix typo in
8315 example of how to use the absence_set directive and reword the
8316 description to make it slightly easier to read.
8318 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8320 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8321 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8322 expanding the number of iterations.
8323 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8325 * cfgrtl.c (emit_insn_at_entry): New function.
8326 * rtl.h (emit_insn_at_entry): Declare it.
8327 * integrate.c (emit_initial_value_sets): Use it.
8329 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8331 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8333 (struct loop_work and related VEC declarations): Delete.
8334 (bfin_dump_loops): Print out new member bad.
8335 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8336 (bfin_scan_loop): Don't recurse.
8337 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8338 loops. No longer need to update outer loops if the current one is
8339 found bad. Move some validitiy checks to bfin_discover_loop.
8340 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8341 but changed not to check for nesting. Also changed to use the new bad
8343 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8344 time. Use bitmap based test to discover loop nesting.
8346 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8348 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8351 2006-09-14 Richard Guenther <rguenther@suse.de>
8352 Kazu Hirata <kazu@codesourcery.com>
8354 PR middle-end/28884.
8355 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8356 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8357 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8358 with TARGET_FUNCTION_VALUE.
8360 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8363 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8365 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8367 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8370 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8373 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8376 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8378 * basic_block.h (bb_has_eh_pred): Fix comment.
8380 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8382 * flow.c (calculate_global_regs_live): Invalidate eh registers
8383 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8384 (propagate_block): Handle eh registers as if they were set at basic
8386 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8388 * global.c (global_conflicts): Make eh registers to conflict with
8389 pseudos live at basic block begin.
8390 * basic_block.h (bb_has_eh_pred): New function.
8392 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8394 PR rtl-optimization/28982
8395 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8396 index of a PRE_MODIFY or POST_MODIFY address.
8397 * reload1.c (inc_for_reload): Use find_replacement on the original
8398 base and index registers.
8400 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8402 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8403 for -Os. Update __m128 alignment requirement.
8405 2006-09-13 Jan Hubicka <jh@suse.cz>
8407 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8409 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8411 PR rtl-optimization/28243
8412 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8413 the insn to which the note was originally attached.
8415 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8416 Roger Sayle <roger@eyesopen.com>
8418 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8419 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8420 on platforms that don't use dwarf for debug info.
8422 2006-09-12 Jason Merrill <jason@redhat.com>
8425 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8426 hard_frame_pointer_rtx after using it to update the frame pointer.
8428 2006-09-12 Roger Sayle <roger@eyesopen.com>
8430 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8431 (TARGET_ASM_CLOSE_PAREN): Likewise.
8432 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8433 (TARGET_ASM_CLOSE_PAREN): Likewise.
8435 2006-09-12 Roger Sayle <roger@eyesopen.com>
8438 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8439 frame information for frames larger than 512 Kbytes on Tru64 when
8440 using the native assembler.
8442 2006-09-12 Roger Sayle <roger@eyesopen.com>
8446 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8447 and symbols. Instead use the implementation from cse.c's hash_rtx.
8449 2006-09-12 Jan Hubicka <jh@suse.cz>
8451 PR rtl-optimization/28071
8452 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8453 (vect_transform_loop): Likewise.
8454 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8455 (new_loop_vec_info): Likewise.
8456 (destroy_loop_vec_info): Likewise.
8457 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8458 (create_stmt_ann): Likewise.
8459 (create_tree_ann): Rename to ...
8460 (create_tree_common_ann): ... this one; allocate only the common part
8462 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8463 (get_value_handle): Likewise.
8464 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8465 get_tree_common_ann.
8466 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8467 (vinfo_for_stmt): Use stmt annotations.
8468 * tree-flow.h (tree_ann_common_t): New type.
8469 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8470 (tree_ann, get_tree_ann, create_tree_ann): New.
8471 * tree-flow-inline.h (get_function_ann): Do more type checking.
8472 (stmt_ann): Likewise.
8473 (tree_ann): Rename to ...
8474 (tree_common_ann): ... this one; return ony common_ann
8475 (get_tree_ann): Rename to ...
8476 (tree_common_ann): This one; return only common_ann.
8477 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8480 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8482 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8483 with_cpu by default.
8485 * dwarf2out.c (dwarf_file_data): New.
8486 (enum dw_val_class): Add dw_val_class_file.
8487 (struct dw_val_struct): Add val_file.
8488 (file_table): Change to a hash table.
8489 (file_table_emitted): Delete.
8490 (file_table_last_lookup_index): Delete.
8491 (emitcount): Delete.
8492 (last_emitted_file): New.
8493 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8494 (init_file_table): Delete.
8495 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8496 (AT_addr): Add comment.
8500 (print_die): Handle dw_val_class_file.
8501 (print_dwarf_line_table): Update for new file table structure.
8502 (attr_checksum): Do checksum a filename.
8503 (same_dw_val_p, same_attr_p): Do compare a filename.
8504 (size_of_die): Handle dw_val_class_file.
8505 (value_format): Likewise.
8506 (output_die): Likewise. Also, call maybe_emit_file here.
8507 (struct file_info): Constify filenames. Make file_idx a pointer
8508 to a struct dwarf_file_data.
8509 (struct dir_info): Constify directory names. Remove 'used' field.
8510 (struct file_name_acquire_data): New.
8511 (file_name_acquire): New.
8512 (output_file_names): Modify to handle new file data structures.
8513 (add_src_coords_attributes): Use add_AT_file.
8514 (add_call_src_coords_attributes): Likewise.
8515 (dwarf2out_imported_module_or_decl): Likewise.
8516 (gen_subprogram_die): Modify for new file data structures.
8517 (gen_variable_die): Likewise.
8518 (file_table_eq): New.
8519 (file_table_hash): New.
8520 (file_table_last_lookup): New.
8521 (lookup_filename): Rewrite to handle new file data structures.
8522 (maybe_emit_file): Rewrite to handle new file data structures.
8523 (dwarf2out_source_line): Always call lookup_filename and
8525 (dwarf2out_init): Create file_table here.
8526 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8527 (file_table_relative_p): New.
8528 (dwarf2out_finish): Change detection of relative filenames
8529 to work with new file data structures. Move output_line_info call
8530 after debug_info output.
8532 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8537 * config/i386/i386.c (override_options): Always default to 16
8538 byte stack boundary.
8540 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8543 * var-tracking.c (dump_dataflow_set): Start dumping at
8545 (clobber_variable_part): Kill only the variable part in
8546 registers holding it, leaving other variables alone.
8548 2006-09-11 Josh Triplett <josh@freedesktop.org>
8550 * doc/extend.texi (Other Builtins): Actually use the macro
8551 argument in the documentation example for
8552 __builtin_types_compatible_p.
8554 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8556 PR rtl-optimization/28726
8557 * sched-deps.c (sched_analyze_reg): New function extracted from...
8558 (sched_analyze_1): ...here. Call it to analyze references to
8559 registers. Treat again writes to a stack register as writing to the
8561 (sched_analyze_2): ...and here. Call it to analyze references to
8562 registers. Treat again reads of a stack register as reading the
8565 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8566 David Edelsohn <edelsohn@gnu.org>
8569 * config/rs6000/spe.md (frob_df_di): Remove %H.
8570 (frob_di_df): Remove %H. Change evmergelo to mr.
8571 (frob_di_df_2): Remove %H. Change evldd to two loads.
8573 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8575 * doc/cpp.texi: Fix names of charset options.
8577 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8580 * config/i386/i386.c (override_options): Use 128-bit
8581 stack boundary always for 64bits.
8583 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8585 PR rtl-optimization/28636
8586 * combine.c (force_to_mode): Test for side-effects before
8587 substituting by zero.
8588 (simplify_shift_const): Likewise for zero or other constants.
8590 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8593 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8596 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8599 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8600 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8601 returned by mode_for_size, rather than the mode of src itself,
8602 to choose between 32-bit and 64-bit patterns.
8603 (mips_mem_fits_mode_p): New function.
8604 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8605 that the size of the source matches the size of the destination.
8606 (mov_<store>l, mov_<store>r): Likewise.
8608 2006-09-10 Eric Christopher <echristo@apple.com>
8610 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8613 2006-09-09 Eric Christopher <echristo@apple.com>
8616 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8619 2006-09-09 Roger Sayle <roger@eyesopen.com>
8620 Nicolas Setton <setton@adacore.com>
8622 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8624 2006-09-10 Andreas Schwab <schwab@suse.de>
8626 * config/m68k/m68k.md (bungt_rev): New pattern.
8628 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8629 Dale Johannesen <dalej@apple.com>
8632 * regclass.c (struct reg_pref): Update documentation.
8633 (regclass): Set prefclass to NO_REGS if memory is the best option.
8634 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8636 2006-09-08 Eric Christopher <echristo@apple.com>
8638 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8639 * config/t-slibgcc-darwin: Support x86_64 multilib.
8640 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8641 Return 1 for x86_64-darwin.
8642 * config/i386/t-darwin: Add m64 multilib.
8643 (LIB2_SIDITI_CONV_FUNCS): Use.
8644 (LIB2FUNCS_EXTRA): Ditto.
8645 * config/i386/darwin.h: Support x86_64.
8646 * config/i386/i386.c (override_options): Turn on flag_pic
8647 for x86_64-darwin. Disable flag_omit_pointer.
8648 (get_pc_thunk_name): Assert !TARGET_64BIT.
8649 (legitimate_address_p): Disable machopic addressing for
8651 (legitimize_pic_address): Ditto.
8652 (ix86_expand_move): Ditto.
8653 (ix86_expand_call): Ditto.
8654 (machopic_output_stub): Ditto.
8655 * config/darwin.c (machopic_select_section): Support literal16.
8656 (machopic_select_rtx_section): Ditto.
8657 * config/darwin-sections.def: Ditto.
8658 * config/darwin-64.c: New.
8660 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8663 * c-tree.h (struct c_arg_info): Add pending_sizes.
8664 * c-parser.c (c_parser_parms_declarator,
8665 c_parser_parms_list_declarator): Initialize pending_sizes.
8666 * c-decl.c (get_parm_info): Initialize pending_sizes.
8667 (get_parm_info): Set pending_sizes.
8668 (grokdeclarator): Call put_pending_sizes for parameters for
8669 function definition only.
8671 2006-09-07 Jason Merrill <jason@redhat.com>
8674 * varasm.c (output_constant): Only strip actual no-op conversions.
8677 * config/i386/i386.c (override_options): Use 128-bit
8678 stack boundary if -msse.
8680 2006-09-07 Eric Christopher <echristo@apple.com>
8682 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8684 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8687 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8689 * dwarf2out.c: Remove strange characters from comment above
8690 dwarf2out_frame_debug_expr.
8692 2006-09-07 Eric Christopher <echristo@apple.com>
8694 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8695 * config/darwin.h: ... to here.
8697 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8699 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8701 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8702 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8704 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8705 TARGET_PARTIAL_FLAG_REG_STALL.
8706 (*ashldi3_cconly_rex64): Likewise.
8707 (*ashlsi3_cmp): Likewise.
8708 (*ashlsi3_cconly): Likewise.
8709 (*ashlsi3_cmp_zext): Likewise.
8710 (*ashlhi3_cmp): Likewise.
8711 (*ashlhi3_cconly): Likewise.
8712 (*ashlqi3_cmp): Likewise.
8713 (*ashlqi3_cconly): Likewise.
8714 (*ashrdi3_cmp_rex64): Likewise.
8715 (*ashrdi3_cconly_rex64): Likewise.
8716 (*ashrsi3_cmp): Likewise.
8717 (*ashrsi3_cconly): Likewise.
8718 (*ashrsi3_cmp_zext): Likewise.
8719 (*ashrhi3_cmp): Likewise.
8720 (*ashrhi3_cconly): Likewise.
8721 (*ashrqi3_cmp): Likewise.
8722 (*ashrqi3_cconly): Likewise.
8723 (*lshrdi3_cmp_rex64): Likewise.
8724 (*lshrdi3_cconly_rex64): Likewise.
8725 (*lshrsi3_cmp): Likewise.
8726 (*lshrsi3_cconly): Likewise.
8727 (*lshrsi3_cmp_zext): Likewise.
8728 (*lshrhi3_cmp): Likewise.
8729 (*lshrhi3_cconly): Likewise.
8730 (*lshrqi2_cmp): Likewise.
8731 (*lshrqi2_cconly): Likewise.
8733 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8736 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8737 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8738 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8739 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8740 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8741 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8742 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8743 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8744 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8745 implement only CC setting effects of shift instructions.
8747 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8749 * doc/contrib.texi: Add myself.
8751 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8754 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8755 was set by the user.
8757 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8760 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8761 (divsi_inv_m1): Use them.
8762 (UNSPEC_DIV_INV_TABLE): New constant.
8764 2006-09-06 James E Wilson <wilson@specifix.com>
8767 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8768 then call count_or_remove_death_notes.
8770 2006-09-06 Jason Merrill <jason@redhat.com>
8773 * tree-inline.c (copy_result_decl_to_var): New fn.
8774 (declare_return_variable): Use it. Call declare_inline_vars here.
8775 (expand_call_inline): Not here.
8777 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8779 * doc/contrib.texi: Update my entry.
8781 2006-09-06 Nick Clifton <nickc@redhat.com>
8783 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8785 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8788 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8789 (canonicalize_induction_variables): Likewise.
8790 (tree_unroll_loops_completely): Likewise.
8791 (tree_ssa_prefetch_arrays): Likewise.
8792 (remove_empty_loops): Likewise.
8793 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8794 TODO_cleanup_cfg instead of directly calling
8795 cleanup_tree_cfg_loop.
8796 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8798 (tree_unroll_loops_completely): Likewise.
8799 (remove_empty_loops): Likewise.
8800 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8801 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8802 of tree_ssa_unswitch_loops.
8803 (tree_ssa_loop_ivcanon): Use the return value of
8804 canonicalize_induction_variables.
8805 (tree_ssa_empty_loop): Use the return value of
8807 (tree_complete_unroll): Use the return value of
8808 tree_unroll_loops_completely.
8809 (tree_ssa_loop_prefetch): Use the return value of
8810 tree_ssa_prefetch_arrays.
8811 * passes.c (execute_todo): Before Cleanup CFG, set
8812 updating_used_alone and after cleanup CFG, call
8813 recalculate_used_alone.
8815 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8818 * tree-vect-transform.c (vectorizable_condition): Move the check
8819 for the type after the check for simple condition.
8821 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8822 Kaz Kojima <kkojima@gcc.gnu.org>
8825 * mode-switching.c (optimize_mode_switching): Make the destination
8826 block of an abnormal edge have no anticipatable mode. Don't
8827 insert mode switching code at the end of the source block of
8830 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8832 PR rtl-optimization/26847
8833 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8834 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8835 (simplify_plus_minus): Count n_constants while filling ops. Replace
8836 qsort with insertion sort. Before going through the array to simplify
8837 pairs, sort it. Delay early exit until after the first sort, exiting
8838 only if no swaps occurred. Simplify pairs in reversed order, without
8839 special-casing the first iteration. Pack ops after simplifying pairs.
8841 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8843 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8844 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8845 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8846 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8848 2006-09-05 Richard Guenther <rguenther@suse.de>
8850 PR tree-optimization/28900
8851 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8852 compound conditional before creating COND_EXPR condition.
8854 2006-09-05 Richard Guenther <rguenther@suse.de>
8856 PR tree-optimization/28905
8857 * tree-vrp.c (fix_equivalence_set): Manually implement
8858 !value_ranges_intersect_p to also handle symbolic ranges.
8860 2006-09-05 Richard Guenther <rguenther@suse.de>
8863 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8866 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8868 PR rtl-optimization/27616
8869 * cse.c (table_size): New static variable.
8870 (new_basic_block): Initialize it to 0.
8871 (remove_from_table): Decrement it.
8872 (insert): Increment it.
8873 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8874 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8875 fold_rtx_mem_1 if under the cap.
8876 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8877 the lookup of the equivalent expression and test for equality of the
8878 first operand of the equivalent expression before in turn looking up
8879 an equivalent constant for the second operand.
8881 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8884 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8885 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8886 pointer, instead of assuming it is possible to derive the
8887 correct args size from a call insn.
8889 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8892 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8893 (fold_builtin_mempcpy): Rename to...
8894 (fold_builtin_memory_op): ... this. Optimize one element copy
8896 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8898 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8899 (expand_builtin_memcpy, expand_builtin_mempcpy,
8900 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8901 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8902 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8903 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8905 2006-09-01 DJ Delorie <dj@redhat.com>
8907 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8908 (stzx_16): Likewise.
8909 ("stzx_24_<mode>"): Likewise.
8910 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8911 ("cmp<mode>_op"): New.
8912 (cmp<mode>): Change to expander; just save operands.
8914 (b<code>): Change to expander, emit compare here.
8915 (s<code>_op): Change to use split and expander.
8916 (s<code>_24_op): Likewise.
8917 (s<code>_<mode>): New.
8918 (s<code>_<mode>_24): New.
8919 (movqicc_<code>_<mode): New.
8920 (movhicc_<code>_<mode>): New.
8923 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8924 (m32c_pend_compare): New.
8925 (m32c_unpend_compare): New.
8926 (m32c_expand_scc): New.
8927 (m32c_expand_movcc): Emit the compare also.
8928 * config/m32c/predicates.md (mra_nopp_operand): New.
8930 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8931 Richard Guenther <rguenther@suse.de>
8932 Adam Nemet <anemet@caviumnetworks.com>
8935 * builtins.c (get_pointer_alignment): Handle more forms
8936 of base addresses that can be used to derive more precise
8937 information about alignment.
8939 2006-09-01 Jason Merrill <jason@redhat.com>
8942 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8945 * gimplify.c (voidify_wrapper_expr): Handle null type.
8947 2006-09-01 Josh Conner <jconner@apple.com>
8950 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8951 (execute_return_slot_opt): Use it.
8953 2006-08-31 Josh Conner <jconner@apple.com>
8956 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8957 returning aggregates.
8959 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8961 PR tree-optimization/28839
8962 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8963 blocks in that phi arguments appear.
8965 2006-08-31 Roger Sayle <roger@eyesopen.com>
8968 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8969 NULL, otherwise use an advance_loc4 to adjust relative to the
8971 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8972 (dwarf2out_switch_text_section): Reset the current label to avoid
8973 using advance_loc4 over section boundaries.
8975 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8978 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8979 r12 + SYMBOLIC_CONST.
8981 2006-08-30 Richard Guenther <rguenther@suse.de>
8983 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8985 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8987 PR rtl-optimization/27735
8988 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8989 Add new argument to keep track of whether an irreducible region
8990 was affected. All callers changed.
8991 (fix_irreducible_loops): Removed.
8992 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8993 flags were invalidated.
8995 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8997 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8998 instead of SF operands.
8999 (*fop_df_comm_sse): Likewise.
9000 (*fop_df_comm_i387): Likewise.
9001 (*fop_df_1_mixed): Likewise.
9002 (*fop_df_1_sse): Likewise.
9004 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9005 J"orn Rennecke <joern.rennecke@st.com>
9007 PR tree-optimization/17506
9008 * tree-ssa.c (warn_uninit): If warning about a location outside of
9009 the current function, note where the variable was declared.
9011 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9013 PR tree-optimization/28411
9014 * double-int.c (double_int_div): Use double_int_divmod.
9015 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9016 double_int_mod, double_int_smod, double_int_umod): New functions.
9017 * double-int.h (double_int_divmod, double_int_sdivmod,
9018 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9020 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9022 (get_computation_aff, get_computation_cost_at): Handle double_int
9023 return type of constant_multiple_of.
9025 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9028 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9029 an implicit conversion.
9031 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9033 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9035 2006-08-27 Roger Sayle <roger@eyesopen.com>
9037 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9040 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9042 * config/i386/crtfastmath.c: Fix a comment typo.
9044 2006-08-26 Roger Sayle <roger@eyesopen.com>
9046 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9047 temporary visit flags on CASE_LABEL_EXPRs.
9048 * c-common.c (match_case_to_enum): Add function comment. Avoid
9049 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9050 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9051 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9052 a constant, only warn if that constant value isn't handled.
9054 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9057 * input.h (restore_input_file_stack): Declare.
9058 (INPUT_FILE_STACK_BITS): Define.
9059 * toplev.c (fs_p, input_file_stack_history,
9060 input_file_stack_restored, restore_input_file_stack): New.
9061 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9062 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9063 (pop_srcloc): Don't free old state of stack.
9065 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9068 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9069 (PowerPC Type Attributes): New.
9071 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9073 * config/xtensa/xtensa.c (function_arg_boundary): New.
9074 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9076 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9077 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9079 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9082 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9085 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9087 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9088 (verify_local_live_at_start): Likewise.
9090 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9093 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9094 omp_add_variable): Treat sizes as variable whenever not
9097 2006-08-26 Richard Guenther <rguenther@suse.de>
9100 * fold-const.c (fold_binary): Fold temporary to correct
9101 type before constructing new comparison.
9103 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9106 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9107 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9109 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9112 * c-decl.c (start_function): Don't try to process prototype
9113 information from old declaration that isn't a function.
9115 2006-08-25 Jan Hubicka <jh@suse.cz>
9118 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9120 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9123 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9126 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9128 PR tree-optimization/16876
9129 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9130 exit if PARM doesn't match VALUE.
9132 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9134 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9135 literal_prefix directive.
9136 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9137 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9138 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9140 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9143 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9144 predicate to general_operand. Add 0->y and I->r alternatives.
9146 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9148 * doc/tm.texi: Fix a typo.
9149 * predict.c: Fix comment typos.
9151 2006-08-25 Nick Clifton <nickc@redhat.com>
9153 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9154 assertions of "cpu" and "machine".
9156 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9159 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9160 the access through a base which has an alias set of 0 cannot
9163 2006-08-24 Bill Wendling <wendling@apple.com>
9165 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9167 2006-08-24 Jan Hubicka <jh@suse.cz>
9169 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9171 2006-08-24 Jan Hubicka <jh@suse.cz>
9174 * cgraph.c: Fix comments.
9175 (cgraph_varpool_mark_needed_node): Mark only variables not already
9177 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9178 (cgraph_varpool_assembled_nodes_queue): New static variable.
9179 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9180 (cgraph_varpool_output_debug_info): New function.
9181 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9182 * Makefile.in: Add gt-cgraphunit.h
9184 2006-08-24 Jan Hubicka <jh@suse.cz>
9186 * predict.c (probability_reliable_p): New predicate.
9187 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9188 (predict_loops): Do not predict loop exit with less than 2%
9190 * basic-block.h (edge_probability_reliable_p,
9191 br_prob_note_reliable_p): Declare.
9192 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9193 prediction when static predictor is not reliable.
9194 * rs6000.c (output_cbranch): Likewise.
9196 2006-08-23 Stuart Hastings <stuart@apple.com>
9199 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9200 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9202 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9205 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9206 complex values, nor for generic vector values.
9208 2006-08-22 Richard Guenther <rguenther@suse.de>
9211 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9212 parameter. Convert arguments to arithmetic expression to the
9214 (analyze_scalar_evolution_1): Adjust caller.
9216 2006-08-22 Jan Hubicka <jh@suse.cz>
9218 Patch by Paolo Bonzini
9219 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9222 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9224 PR tree-optimization/28003
9225 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9226 before grouping aliases.
9228 2006-08-22 Roger Sayle <roger@eyesopen.com>
9230 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9231 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9233 2006-08-21 Jason Merrill <jason@redhat.com>
9236 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9237 wrapper. Loop to handle nested wrappers.
9238 (gimplify_bind_expr): Remove temp parameter.
9239 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9240 and STATEMENT_LIST on the rhs.
9241 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9242 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9243 (gimplify_target_expr): Remove special BIND_EXPR handling.
9245 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9247 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9250 2006-08-21 Olivier Hainque <hainque@adacore.com>
9252 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9253 Arrange for the temporary captures of components overlapping the lhs
9254 to happen before the lhs is possibly cleared.
9256 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9258 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9259 necessary places to pass the correct "number of registers" values
9262 2006-08-20 Jan Hubicka <jh@suse.cz>
9264 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9265 (create_name_tags): Instead of quadratic checking use hashtable.
9266 * bitmap.h: Include hashtab.h.
9267 (bitmap_hash): Declare.
9268 * bitmap.c (bitmap_hash): New function.
9270 2006-08-20 Jan Hubicka <jh@suse.cz>
9272 PR rtl-optimization/28071
9273 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9275 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9276 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9277 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9278 cgraph_decide_inlining_incrementally): Update use of
9279 cgraph_check_inline_limits.
9280 * cgraph.c (edge_hash, edge_eq): New function.
9281 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9282 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9283 cgraph_remove_node): Maintain call site hash.
9284 * cgraph.h (struct cgraph_node): Add call_site_hash.
9285 (cgraph_set_call_stmt): New function.
9287 2006-08-20 Jan Hubicka <jh@suse.cz>
9289 PR rtl-optimization/28071
9290 * reload1.c (reg_has_output_reload): Turn into regset.
9291 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9292 choose_reload_regs, emit_reload_insns): Update to new
9293 reg_has_output_reload.
9295 2006-08-20 Jan Hubicka <jh@suse.cz>
9298 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9299 function body sizes.
9300 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9302 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9305 * tree.c (handle_dll_attribute): Return early if not a
9306 var or function decl.
9308 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9311 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9312 alignment of SPE vector types.
9314 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9316 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9318 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9321 * cgraph.h (struct cgraph_node): Remove externally_visible
9323 * cgraphunit.c (process_function_and_variable_attributes): Set
9324 local.externally_visible rather than externally_visible.
9327 * c-common.c (handle_externally_visible_attribute): First look
9328 at TREE_CODE and only if it is function or var decl, check for
9329 non-public objects. Don't warn for DECL_EXTERNAL.
9330 * cgraphunit.c (process_function_and_variable_attributes): Warn
9331 if externally_visible attribute is used on non-public object.
9333 2006-08-17 Jan Hubicka <jh@suse.cz>
9335 PR tree-optimization/27865
9336 * reload1.c (forget_marked_reloads): New function.
9337 (forget_old_reloads_1): When data are passed, just mark the registers
9339 (reload_as_needed): Use the new mechanizm.
9341 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9344 * reload.h (reg_equiv_alt_mem_list): New declaration.
9345 * reload1.c (reg_equiv_alt_mem_list): New definition.
9346 (reload): Initialize it and release it.
9347 (delete_output_reload): Use it.
9348 * reload.c (push_reg_equiv_alt_mem): New function.
9349 (find_reloads_toplev): Call it.
9350 (find_reloads_address, find_reloads_address_1): Likewise.
9351 (find_reloads_subreg_address): Likewise.
9353 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9355 PR rtl-optimization/28489
9356 * sched-ebb.c (begin_schedule_ready): Create basic block
9358 (advance_target_bb): Skip empty blocks.
9359 * haifa-sched.c (bb_note): Make global.
9360 * sched-int.h (bb_note): Add prototype.
9362 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9364 PR tree-optimization/27865
9365 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9367 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9368 fold_used_pointer, pointer_used_p): New functions.
9369 (analyze_scalar_evolution_1): Use fold_used_pointer.
9370 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9371 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9374 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9377 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9378 or the INTEGER_CST. Fail on a CALL_EXPR.
9379 (fold_offsetof): Pass new argument to fold_offsetof_1.
9380 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9381 operand into an INDIRECT_REF.
9382 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9384 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9386 PR gcov/profile/26570
9387 * value-prof.c (static_values): Removed.
9388 (tree_find_values_to_profile): Do not set static_values.
9389 (find_values_to_profile): Do not free static_values.
9390 * profile.c (instrument_values): Do not free the values.
9391 (branch_prob): Free the values.
9393 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9395 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9397 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9400 * c-typeck.c (build_component_ref): Combine qualifiers of
9401 structure or union and field.
9403 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9405 PR rtl-optimization/28071
9406 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9407 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9408 * tree-into-ssa.c (struct dom_dfsnum): New.
9409 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9411 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9412 compute_global_livein.
9413 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9414 in phi nodes in the correct blocks.
9416 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9418 PR tree-optimization/28364
9419 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9421 (fold_affine_expr): New function.
9422 (may_eliminate_iv): Use fold_affine_expr.
9424 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9427 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9430 2006-08-16 Mike Stump <mrs@apple.com>
9432 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9433 * doc/cppopts.texi (-MD): Likewise.
9435 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9438 * c-common.c (handle_weak_attribute): Ignore and warn if
9439 not a FUNCTION_ or VAR_DECL.
9441 2006-07-15 Mike Stump <mrs@apple.com>
9444 * c-parser.c (c_parser_typeof_specifier): Don't use
9445 c_finish_expr_stmt, open code desired semantics instead.
9447 2006-08-15 Nick Clifton <nickc@redhat.com>
9449 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9450 fragment to tmake_file only if threads are enabled.
9451 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9452 * config/i386/t-gthr-win32: New file. ... here.
9454 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9457 * c-parser.c (c_parser_compound_statement_nostart): Reset
9458 parser->error after each statement.
9460 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9463 * omp-low.c (lower_omp_parallel): Convert t to
9464 receiver_decl's type.
9465 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9466 source before comparison.
9469 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9470 to itype in assignment to oldival2.
9472 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9476 * c-typeck.c (build_compound_expr): If the second expression
9477 is an error mark, then just return an error mark instead of
9478 creating a COMPOUND_EXPR.
9480 2006-07-14 Mike Stump <mrs@apple.com>
9482 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9484 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9486 * c-decl.c, var-tracking.c: Fix comment typos.
9488 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9490 PR rtl-optimization/28634
9491 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9492 for floating-point modes unless flag_unsafe_math_optimizations.
9494 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9495 Andrew Pinski <pinskia@physics.uc.edu>
9498 * tree.c (build_array_type): Unify array types with
9499 unspecified index_type.
9500 * c-decl.c (grokdeclarator): Make sure we do not modify a
9501 unified incomplete array type.
9502 * c-typeck.c (store_init_value): Create distinct type before
9503 filling in the index type in an initializer from a compound
9506 * c-decl.c (grokdeclarator): Remove code where we copy the
9509 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9511 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9512 into account for TODO_dump_cgraph.
9513 (TODO_update_ssa_no_phi): Likewise.
9514 (TODO_update_ssa_full_phi): Likewise.
9515 (TODO_update_ssa_only_virtuals): Likewise.
9516 (TODO_remove_unused_locals): Likewise.
9517 (TODO_set_props): Likewise.
9518 (TODO_update_stmt_usage): Likewise.
9520 2006-08-13 Dirk Mueller <dmueller@suse.de>
9522 * c-common.c (strict_aliasing_warning): Fix formatting.
9524 2006-08-13 Matthias Klose <doko@debian.org>
9526 * doc/invoke.texi: Fix spelling errors.
9528 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9530 PR rtl-optimization/23454
9531 * reorg.c (relax_delay_slots): Update comment.
9533 2006-08-11 Richard Guenther <rguenther@suse.de>
9536 * simplify-rtx.c (simplify_const_relational_operation):
9537 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9540 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9542 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9543 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9545 2006-08-10 Paul Brook <paul@codesourcery.com>
9547 * final.c (final_scan_insn): Clear current_insn_predicate before
9548 outputting inline asm.
9550 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9552 PR tree-optimization/26197
9553 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9554 get_ref_base_and_extent and overlap_subvar to add only relevant
9555 subvars as may-aliases.
9556 (add_may_alias_for_new_tag): New function, factored out of
9558 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9559 with additional argument.
9560 * tree-flow.h (new_type_alias): Takes additional argument.
9562 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9564 * gcov.c (no_data_file): New flag.
9565 (read_count_file): Set it if data file not present. Assume counts
9567 (output_lines): Don't name the data file, if there wasn't one.
9569 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9571 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9572 (rs6000_generate_compare): Tweak comments.
9573 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9575 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9577 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9578 (var_debug_decl): New function.
9579 (var_reg_set): Follow debug decl link. Add location even if
9580 reg is already known to hold some other variable.
9581 (var_mem_set): Follow debug decl link.
9582 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9583 decl link. Delete other known locations of the variable part
9585 (var_reg_delete, var_mem_delete): Delete other known locations
9586 of the variable part if requested.
9587 (same_variable_part_p): New function.
9588 (add_stores): Select MO_COPY when appropriate.
9589 (vt_initialize): Handle it.
9590 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9591 known locations for MO_SET and MO_CLOBBER.
9592 (find_variable_location_part): New function.
9593 (set_variable_part, delete_variable_part): Use it.
9594 (clobber_variable_part): New function.
9595 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9598 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9600 PR tree-optimization/26969
9601 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9602 with an empty list of PHIs.
9604 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9608 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9611 2006-08-06 Andreas Schwab <schwab@suse.de>
9613 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9614 string. Whitespace and comment fixup.
9616 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9619 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9623 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9626 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9628 2006-08-04 Jan Hubicka <jh@suse.cz>
9632 * reload.c (push_reload): Patch out the mismatching instruction;
9634 (find_reload): Bail out if the instruction was patched out.
9636 2006-08-04 Jan Hubicka <jh@suse.cz>
9638 PR tree-optimization/24888
9639 * tree-inline.c (expand_call_inline): Do not re-record variables.
9640 (declare_inline_vars): Add variable to unexpanded_var_list.
9642 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9643 Roger Sayle <roger@eyesopen.com>
9645 PR rtl-optimization/26244
9646 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9647 inner_const are negative or greater than or equal to the bitsize of
9648 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9649 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9650 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9651 CONST0_RTX (mode) when the new shift count is greater than or equal to
9652 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9655 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9657 * tree-cfg.c: Fix a comment typo.
9659 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9662 * varasm.c (output_constant): Give the front end another chance to
9663 expand constants, after stripping NOPs.
9665 2006-08-03 Jan Hubicka <jh@suse.cz>
9667 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9670 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9672 PR tree-optimization/27770
9673 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9674 declaration removed (moved to tree-flow.h).
9675 (vect_can_force_dr_alignment_p): Likewise.
9676 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9677 (moved from tree-vectorizer.h).
9678 (vect_can_force_dr_alignment_p): Likewise.
9679 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9680 from outside the vectorizer - in particular from cgraph stage.
9681 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9682 the alignment of global arrays when -fsection-anchors is enabled.
9683 * cgraphunit.c (cgraph_increase_alignment): New function.
9684 (cgraph_optimize): Call cgraph_increase_alignment.
9686 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9689 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9690 not reload a SPE symbol_ref into a lo_sum address.
9692 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9695 * dwarf2out.c (prune_unused_types_prune): Move call to
9696 prune_unused_types_update_strings to cover the parent DIE also.
9698 2006-08-02 Jan Hubicka <jh@suse.cz>
9700 PR gcov/profile/28480
9701 * tree-cfg.c (change_bb_for_stmt): New function.
9702 (tree_merge_blocks, tree_split_blocks): Use it.
9704 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9710 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9711 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9712 (cgraph_optimize): Likewise.
9714 2006-08-01 Stuart Hastings <stuart@apple.com>
9716 * rtl.h (UINTVAL) New.
9717 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9718 * testsuite/gcc.dg/20060801-1.c: New.
9720 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9723 * c-typeck.c (build_external_type): Mark used enum types.
9724 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9726 (gen_subprogram_die): Whitespace fix.
9728 2006-08-01 Jan Hubicka <jh@suse.cz>
9730 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9731 bitmap when not needed.
9732 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9735 2006-08-01 Dirk Mueller <dmueller@suse.de>
9737 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9739 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9741 * Makefile.in: Revert part of previous patch:
9742 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9745 2006-07-30 Eric Christopher <echristo@apple.com>
9748 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9749 (PowerPC Variable Attributes): New section.
9751 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9753 PR target/28126 (partial fix)
9754 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9756 2006-07-28 Jan Hubicka <jh@suse.cz>
9758 PR rtl-optimization/28071
9759 * cfgrtl.c (rtl_delete_block): Free regsets.
9760 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9762 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9764 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9765 and variables used in dependencies.
9767 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9769 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9770 %fs for -mcmodel=kernel.
9771 (stack_tls_protect_test_di): Likewise.
9773 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9775 * Makefile.in: Use mkinstalldirs.
9777 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9780 * opts-common.c (prune_options): Skip joined switches.
9782 2006-07-27 Jan Hubicka <jh@suse.cz>
9784 PR rtl-optimization/28071
9785 * cselib.c (cselib_process_insn): Don't remove useless values too
9786 often for very large hashtables.
9788 2006-07-27 Jan Hubicka <jh@suse.cz>
9790 PR rtl-optimization/28071
9791 * global.c (greg_obstack): New obstack.
9792 (allocate_bb_info): Use it.
9793 (free_bb_info): Likewise.
9794 (modify_reg_pav): Likewise.
9796 2006-07-27 Roger Sayle <roger@eyesopen.com>
9798 * builtins.c (fold_fixed_mathfn): When long and long long are the
9799 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9800 functions to their lceil*, lfloor*, lround* and lrint* forms.
9802 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9805 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9807 (rev_branch_insn): Likewise.
9809 2006-07-27 Jan Hubicka <jh@suse.cz>
9811 PR rtl-optimization/28071
9812 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9813 (reg_set_in_bb, max_reg_computed): New static variables.
9814 (regmove_optimize): Free the new array.
9815 (fixup_match_1): Update call of reg_is_remote_constant_p.
9817 2006-07-26 Jan Hubicka <jh@suse.cz>
9819 PR tree-optimization/27882
9820 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9822 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9824 (cgraph_analyze_compilation_unit): Likewise.
9825 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9826 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9827 (cgraph_early_inlinine): Make order garbage collected.
9828 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9830 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9832 * dbxout.c (output_types_sort): Add a comment.
9833 (output_used_types): Free the VEC.
9835 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9837 * function.c (reorder_fix_fragments): Delete.
9838 (reorder_blocks): Don't call it.
9839 (reorder_blocks_1): Put all subblocks under the origin block.
9841 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9843 PR rtl-optimization/27907
9844 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9847 2006-07-25 Roger Sayle <roger@eyesopen.com>
9850 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9851 bar(x) check that bar's result type can represent all the values of T.
9853 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9855 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9857 2006-07-25 Nick Clifton <nickc@redhat.com>
9859 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9860 size_lookup[] array.
9861 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9862 (ggc_pch_count_object): Likewise.
9863 (ggc_pch_alloc_object): Likewise.
9864 (ggc_pch_write_object): Likewise.
9865 (init_ggc): Do not attempt to initialize entries in the
9866 size_lookup[] array for objects whose size is greater than than
9867 the length of the array.
9869 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9871 * dbxout.c (output_used_types_helper): Push queued types
9873 (output_types_sort): New.
9874 (output_used_types): Collect used types on a VEC and sort them
9877 2006-07-24 Richard Guenther <rguenther@suse.de>
9880 * cgraph.c (cgraph_remove_node): Do not check if dumps
9882 * cgraphunit.c (cgraph_optimize): Likewise.
9884 2006-07-24 Jan Hubicka <jh@suse.cz>
9886 PR rtl-optimization/28071
9887 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9888 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9889 splitting before first stmt.
9891 2006-07-24 Jan Hubicka <jh@suse.cz>
9893 PR rtl-optimization/28071
9894 * ipa-inline.c (update_caller_keys): Remove edges that
9895 are no longer inline candidates.
9897 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9900 * dbxout.c (output_used_types_helper, output_used_types): New.
9901 (dbxout_symbol): Call output_used_types.
9903 2006-07-23 Jan Hubicka <jh@suse.cz>
9907 * cgraph.c (cgraph_varpool_nodes): Export.
9908 (decide_is_variable_needed): Ignored "used" attribute in
9909 unit-at-a-time mode.
9910 * cgraph.h (cgraph_varpool_nodes): Declare.
9911 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9912 unit-at-a-time mode.
9914 2006-07-23 Roger Sayle <roger@eyesopen.com>
9917 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9918 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9919 the __gthrw form of thr_keycreate.
9920 (__gthread_key_delete): Silence the unused argument warning.
9922 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9925 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9926 Cache the last found '\0' marker to avoid quadratic behavior.
9928 2006-07-23 Jan Hubicka <jh@suse.cz>
9930 * i386.md (subsi_3_zext): Fix output template.
9932 2006-07-21 Mike Stump <mrs@apple.com>
9934 * doc/invoke.texi (C++ Dialect Options): Note that
9935 -fvisibility-inlines-hidden doesn't affect explicitly
9936 instantiationed inline methods.
9938 2006-07-20 Roger Sayle <roger@eyesopen.com>
9940 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9941 if the target assembler is GNU binutils' gas.
9942 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9943 whether to pass GNU gas or native as command line options.
9945 2006-07-20 Jason Merrill <jason@redhat.com>
9947 * tree.c (remove_attribute): New fn.
9948 * tree.h: Declare it.
9950 2006-07-20 Paul Brook <paul@codesourcery.com>
9953 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9954 they are invalidated by this instruction.
9956 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9959 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9961 2006-07-20 Eric Christopher <echristo@apple.com>
9964 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9966 2006-07-19 Eric Christopher <echristo@apple.com>
9968 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9969 Rewrite dependencies for libgcc_s.1.dylib.
9971 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9973 * except.c (duplicate_eh_regions_1): Clear next_peer.
9975 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9977 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9978 -mlongcall does not guarantee all calls will be long.
9979 * doc/extend.texi (long_call/short_call): Document that longcall
9980 does not guarantee a long call will be used.
9981 (longcall/shortcall): Likewise.
9983 2006-07-18 Roger Sayle <roger@eyesopen.com>
9986 * expmed.c (expand_shift): Additionally check that the shift_cost
9987 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9988 before implementing a LSHIFT_EXPR as a sequence of additions.
9989 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9990 middle-end that DImode shifts need to be synthesized by expand.
9992 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9995 * tree-ssa-operands.c (access_can_touch_variable): Update
9997 Return true if ALIAS is .GLOBAL_VAR.
9999 2006-07-18 David Daney <ddaney@avtrex.com>
10001 * gcc.c (display_help): Fix typo in help text.
10003 2006-07-18 Olivier Hainque <hainque@adacore.com>
10005 * tree.h (categorize_ctor_elements): Adjust prototype and add
10006 descriptive comment, both in accordance with the interface change
10008 * varasm.c (constructor_static_from_elts_p): New function.
10009 Whether a constructor node is a valid static constant initializer
10010 if all its elements are.
10011 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10012 * output.h: Declare it.
10013 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10014 is a valid constant initializer instead of computing the number of
10015 non-constant elements. Use constructor_static_from_elts_p for this
10016 purpose. Replace the head comment with an indication that this is a
10017 helper for categorize_ctor_elements.
10018 (categorize_ctor_elements): Same interface change as for the _1
10019 helper. Former head comment from this helper moved here, adjusted to
10020 account for the interface changes.
10021 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10022 (all_zeros_p): Likewise.
10023 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10024 static versions of the constructor from the categorize_ctor_elements
10025 return value instead of the formerly computed number of non-constant
10028 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10030 * configure: Regenerate.
10031 * Makefile.in (build_libsubdir): New configure substitution
10032 (build_libobjdir): New variable.
10033 (BUILD_LIBIBERTY): Use it.
10035 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10038 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10040 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10043 * c-common.c (handle_weakref_attribute): Ignore attribute in
10044 the same conditions the alias attribute is ignored.
10046 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10048 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10049 (dbxout_begin_prologue): Increment scope_labelno.
10051 2006-07-17 Richard Henderson <rth@redhat.com>
10054 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10057 2006-07-17 Roger Sayle <roger@eyesopen.com>
10058 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10060 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10061 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10062 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10063 functions such as sbrk, write, etc.. Add function prototypes.
10064 Convert function declarations from K&R to ISO C. Cast pointers
10065 to "long" and "unsigned long" instead of "int" and "unsigned int".
10066 Convert tokens following #endif into comments.
10068 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10070 * invoke.texi: Remove mention of f77; Reformat table for
10071 inline parameter options correctly; mention that -malign-double
10072 is default on x86-64 targets.
10074 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10076 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10077 (convert_affine_scev, chrec_convert_aggressive): Use
10078 avoid_arithmetics_in_type_p. Do not check for the subtypes
10081 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10083 PR middle-end/28403
10084 * optabs.c (expand_doubleword_shift): Wrap the call to
10085 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10087 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10089 PR middle-end/28402
10090 * optabs.c (expand_binop): Pass next_methods rather than methods
10091 to expand_doubleword_shift.
10093 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10096 * tree.h (dump_addr): Declare.
10097 * print-tree.c (dump_addr): New function.
10098 (print_node_brief, print_node): Use it.
10099 * print-rtl.c (print_rtx): Likewise.
10100 * common.opt (-fdump-noaddr): New option.
10101 * doc/invoke.texi (-fdump-noaddr): Document.
10102 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10103 (ve_info_hash): Likewise.
10105 2006-07-13 Andrew Haley <aph@redhat.com>
10107 PR tree-optimization/19505
10108 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10109 edge leaving this block, make sure that the destination of this
10110 block has only one predecessor.
10112 2006-07-17 Richard Guenther <rguenther@suse.de>
10114 PR tree-optimization/28238
10115 * tree-inline.c (copy_bb): Check if we produced valid
10116 gimple copying and substituting a stmt. If not, gimplify
10119 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10121 * optabs.c (maybe_encapsulate_block): New function extracted from...
10122 (emit_libcall_block): ...here. Invoke it on the block of insns to
10123 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10124 (emit_no_conflict_block): Likewise.
10126 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10128 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10130 2006-07-15 Roger Sayle <roger@eyesopen.com>
10132 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10133 a new NOP_EXPR case of the switch statement.
10135 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10137 PR middle-end/28160
10138 * stor-layout.c (place_field): Take the bit field with
10139 an excessive size into account in the ms-bitfiled case.
10141 PR middle-end/28161
10142 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10143 the previous bit field.
10145 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10148 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10150 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10152 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10153 signal frames correctly even when the signal was installed with
10156 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10158 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10159 (dbxout_function_end): Use local label LFBB. Remove hook
10161 (dbxout_source_line): Use local label LFBB.
10162 (dbxout_block): Likewise.
10163 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10164 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10165 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10166 and DBX_OUTPUT_NFUN.
10168 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10170 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10172 2006-07-13 Jan Hubicka <jh@suse.cz>
10174 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10176 * output.h (align_variable): Declare.
10177 * varasm.c (align_variable): Export.
10178 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10179 when basic block changed.
10181 2006-07-13 Nick Clifton <nickc@redhat.com>
10183 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10184 walking the LOG_LINKS chain.
10186 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10188 * doc/invoke.texi (C++ Dialect Options): Explain difference
10189 between -fvisibility-inlines-hidden and setting hidden
10190 visibility explicitly.
10192 2006-07-12 Eric Christopher <echristo@apple.com>
10194 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10195 (stmp-lipo): Depend on libgcc.a.
10197 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10199 * tree.c: Fix a comment typo.
10201 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10203 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10205 (umulhisi3_r): Likewise.
10207 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10210 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10211 x < 19, vs wchar_t support.
10213 2006-07-12 Nick Clifton <nickc@redhat.com>
10215 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10216 instead of -isa=sh4.
10218 2006-07-12 Mike Stump <mrs@apple.com>
10220 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10222 2006-07-10 Eric Christopher <echristo@apple.com>
10224 * config/t-slibgcc-darwin: Rewrite.
10226 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10229 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10232 2006-07-08 Matthias Klose <doko@debian.org>
10234 * doc/sourcebuild.texi: Fix typo.
10236 2006-07-07 Mike Stump <mrs@apple.com>
10238 * toplev.c (process_options): Don't give -ffunction-sections may
10239 affect debugging warning for Mach-O.
10241 2006-07-07 James E Wilson <wilson@specifix.com>
10243 * config/mips/mips.md (cpu): Add sb1a.
10244 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10245 addition to sb1. Adjust comments to clarify SB-1A differences from
10247 (ir_sb1a_load): New. Modify bypasses to use it.
10248 (ir_sb1a_simple_alu): Likewise.
10249 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10250 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10251 (mips_issue_rate): Add PROCESSOR_SB1A.
10252 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10253 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10254 (TARGET_SB1): Add PROCESSOR_SB1A check.
10255 (TUNE_SB1): Likewise.
10257 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10258 * config/mips/mips.c (mips_store_data_bypass_p): New.
10259 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10260 store_data_bypass_p.
10262 2006-07-08 Paul Brook <paul@codesourcery.com>
10265 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10267 2006-07-07 Richard Guenther <rguenther@suse.de>
10269 PR middle-end/28268
10270 * tree.h (build_one_cst): Declare.
10271 * tree.c (build_one_cst): New function.
10272 * tree-ssa-math-opts.c (get_constant_one): Remove.
10273 (insert_reciprocals): Use build_one_cst.
10274 * fold-const.c (fold_plusminus_mult): Likewise.
10276 2006-07-07 Roger Sayle <roger@eyesopen.com>
10278 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10279 * cfgloopanal.c (dump_graph): Likewise.
10280 * dojump.c (discard_pending_stack_adjust): Likewise.
10281 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10283 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10284 * function.c (finalize_block_changes): Likewise.
10285 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10286 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10287 * rtl.c (dump_rtx_statistics): Likewise.
10288 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10290 * varray.c (dump_varray_statistics): Likewise.
10291 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10292 decode_decimal64, encode_decimal128, decode_decimal128,
10293 decimal_real_to_decimal): Likewise.
10295 2006-07-07 Richard Guenther <rguenther@suse.de>
10297 PR tree-optimization/28187
10298 * tree-vrp.c (vrp_operand_equal_p): New function.
10299 (vrp_bitmap_equal_p): Likewise.
10300 (update_value_range): Use them to compare old and new
10301 max and min values.
10303 2006-07-06 Roger Sayle <roger@eyesopen.com>
10305 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10306 a default case to switch statement to silence compiler warnings.
10308 2006-07-06 Roger Sayle <roger@eyesopen.com>
10311 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10312 the configured assembler supports the x87's ffreep mnemonic.
10313 * configure: Regenerate.
10314 * config.in: Regenerate.
10316 * config/i386/i386.c (output_387_ffreep): New function.
10317 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10318 (output_387_reg_move): Likewise.
10320 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10322 Port to hosts whose 'sort' and 'tail' implementations
10323 treat operands with leading '+' as file names, as POSIX
10324 has required since 2001. However, make sure the code still
10325 works on pre-POSIX hosts.
10326 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10327 which says you should use "tail -c +N" rather than "tail +Nc".
10328 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10330 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10332 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10335 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10338 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10339 PRE_{INC,DEC} of TFmode.
10341 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10342 Alan Modra <amodra@bigpond.net.au>
10345 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10348 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10351 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10352 Remove duplicate gtu.
10354 2006-07-05 Jason Merrill <jason@redhat.com>
10358 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10359 * c-common.c (handle_packed_attribute): So don't copy it here.
10360 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10362 2006-07-05 Mike Stump <mrs@apple.com>
10364 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10366 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10369 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10371 2006-07-05 Richard Guenther <rguenther@suse.de>
10374 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10375 TARGET_SSE2 targets if using SSE math.
10376 (*absdf2_1): Likewise.
10378 2006-07-05 Richard Guenther <rguenther@suse.de>
10380 PR tree-optimization/28162
10381 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10382 make sure to convert the operands to the correct type.
10384 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10386 PR tree-optimization/28218
10388 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10389 to calculate and free the dominator information.
10391 2006-07-04 Peter O'Gorman <peter@pogma.com>
10393 * mklibgcc.in: chmod 644 before ranlib during install.
10395 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10396 J"orn Rennecke <joern.rennecke@st.com>
10398 * configure.ac (.eh_frame data check): Use diff -b.
10400 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10403 * Makefile.in (BUILD_RTL): Add build/vec.o.
10404 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10405 (build/genextract): Delete.
10406 (build/genautomata): Likewise.
10408 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10411 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10412 128-bit IBM long doubles for ABI_V4.
10414 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10416 * tree.c (range_in_array_bounds_p): New predicate.
10417 * tree.h (range_in_array_bounds_p): Declare it.
10418 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10419 return a less conservative answer.
10420 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10421 and flag 'is_group'.
10422 (IS_ELEMENT_FOR_GROUP): New macro.
10423 (FOR_EACH_ACTUAL_CHILD): Likewise.
10424 (next_child_for_group): New helper function.
10425 (can_completely_scalarize_p): Take into account groups.
10426 (sra_hash_tree): Handle RANGE_EXPR.
10427 (sra_elt_eq): Likewise.
10428 (lookup_element): Be prepared for handling groups.
10429 (is_valid_const_index): Delete.
10430 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10431 instead of is_valid_const_index.
10432 <ARRAY_RANGE_REF>: New case.
10433 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10434 is_valid_const_index.
10435 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10436 (scan_dump): Dump info for groups too.
10437 (decide_instantiation_1): Likewise.
10438 (decide_block_copy): Assert that the element is not a group.
10439 Propagate decision to groups.
10440 (generate_one_element_ref): Handle RANGE_EXPR.
10441 (mark_no_warning): Iterate over actual childs.
10442 (generate_copy_inout): Likewise.
10443 (generate_element_copy): Likewise.
10444 (generate_element_zero): Likewise.
10445 (generate_element_init_1): Likewise.
10446 (dump_sra_elt_name): Handle RANGE_EXPR.
10448 2006-07-03 Roger Sayle <roger@eyesopen.com>
10450 PR tree-optimization/26251
10451 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10452 (thread_block): When optimizing for size refuse to thread jumps
10453 that would require duplication of blocks other than redirection
10456 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10458 * configure.ac: Fix thinko in previous check-in.
10459 * configure: Regenerate.
10461 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10464 * configure.ac (for lang...): Simplify nesting of conditionals.
10465 Test subdir_requires for non-enabled languages. Move processing
10466 of lang_opt_files and lang_tree_fiels below that test.
10467 * configure: Regenerate.
10468 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10470 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10472 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10474 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10476 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10479 2006-06-29 Jason Merrill <jason@redhat.com>
10486 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10487 * c-common.c (c_determine_visibility): Handle it here.
10488 * c-decl.c (finish_decl): Call c_determine_visibility for
10490 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10491 * tree.h: Likewise.
10492 * varasm.c (default_assemble_visibility): Likewise.
10493 * c-common.c (handle_visibility_attribute): Complain about trying
10494 to give visibility to an already defined class, or trying to change
10495 declared visibility. Always attach the attribute.
10500 * attribs.c (decl_attributes): Ignore type-in-place attributes
10501 once the type has been defined.
10503 2006-06-29 Roger Sayle <roger@eyesopen.com>
10505 PR middle-end/27428
10506 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10507 to indicate the cpplib has issued an error message for us.
10509 2006-06-29 Asher Langton <langton2@llnl.gov>
10512 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10513 insert a label at the end of an function under Mach-O.
10515 2006-06-29 Eric Christopher <echristo@apple.com>
10516 Evan Cheng <evan.cheng@apple.com>
10518 * predicates.md (vector_all_ones_operand): New.
10519 (nonimmediate_or_sse_const_operand): Ditto.
10520 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10521 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10522 (standard_sse_mode_p): Ditto.
10523 (standard_sse_constant_p): Add case for -1 vector.
10524 (ix86_expand_vector_move): Try to use.
10525 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10526 Call standard_sse_constant_opcode.
10527 (*movv4sf_internal): Ditto.
10528 (*movv2df_internal): Ditto.
10530 2006-06-29 Roger Sayle <roger@eyesopen.com>
10532 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10533 of XEXP to extract the operands of a MATCH_CODE rtx.
10535 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10537 * tree.c (tree_size): Do not waste tail padding in
10538 struct tree_string and make the size be the same as
10539 build_string will generate.
10541 2006-06-28 Jason Merrill <jason@redhat.com>
10544 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10545 may_aliases already in the tag's annotations to the bitmap.
10547 2006-06-28 Roger Sayle <roger@eyesopen.com>
10549 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10551 2006-06-28 Roger Sayle <roger@eyesopen.com>
10553 * genpreds.c (generate_switch_p): New function.
10554 (add_mode_tests): Push the new mode test down inside an AND expr
10555 if this allows the switch-suitable MATCH_CODE to be near the root.
10556 (write_match_code_switch): New function to write a MATCH_CODE as
10557 a switch statement.
10558 (write_predicate_stmts): New function to write a predicate RTX
10559 expression as a sequence of statements.
10560 (write_one_predicate_function): Use write_predicate_stmts.
10561 (write_tm_constrs_h): Likewise.
10563 2006-06-26 Fred Fish <fnf@specifix.com>
10565 * config/mips/t-sb1: New file.
10566 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10569 2006-06-26 DJ Delorie <dj@redhat.com>
10571 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10573 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10574 Jayant Sonar <jayants@kpitcummins.com>
10575 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10577 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10578 (subsi3, subsi3_1, subsi3_2): New.
10579 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10580 * config/m32c/mov.md (SI mov peephole): New.
10581 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10582 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10584 2006-06-26 Olivier Hainque <hainque@adacore.com>
10586 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10587 a CALL_EXPR target function declaration.
10589 2006-06-26 Richard Guenther <rguenther@suse.de>
10591 * tree.c (build_string): Do not waste tail padding in
10592 struct tree_string.
10594 2006-06-26 Richard Guenther <rguenther@suse.de>
10596 * ggc-page.c (init_ggc): Add missing element to size_lookup
10600 2006-06-23 Richard Guenther <rguenther@suse.de>
10602 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10603 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10604 alignment requests instead. Add verification code.
10605 Add struct tree_function_decl and struct tree_binfo size to
10606 extra_order_size_table. Add missing element to size_lookup
10609 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10611 PR middle-end/28151
10612 * fold-const.c (const_binop): Be prepared for self returning zero.
10613 Simplify code handling complex values.
10615 2006-06-24 Olivier Hainque <hainque@adacore.com>
10617 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10618 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10621 2006-06-24 Olivier Hainque <hainque@adacore.com>
10623 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10624 ARRAY_REF, so have the callback called for the low bound expression.
10626 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10628 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10629 * c-typeck.c (c_common_type): Disallow operations on decimal float
10630 types and other float types.
10631 * convert.c (convert_to_real): Don't ignore conversions involving
10632 decimal float types.
10634 2006-06-23 Olivier Hainque <hainque@adacore.com>
10636 * tree.c (max_int_size_in_bytes): New function, inspired from
10637 code in function.c:assign_temp.
10638 * tree.h (max_int_size_in_bytes): Declare.
10639 * function.c (assign_temp): Use it.
10640 * gimplify.c (create_tmp_var): Relax the assertions on the type
10641 properties, not mandating constant size any more.
10642 (force_constant_size): New static function.
10643 (gimple_add_tmp_var): Use it, forcing variable size to a
10644 constant upper bound if it is not constant on entry.
10646 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10649 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10650 for initialization and setting of one_only flag to ...
10651 (i386_pe_encode_section_info): ...here.
10652 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10653 Recheck that the symbol has not been defined.
10655 2006-06-23 Richard Guenther <rguenther@suse.de>
10657 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10658 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10659 alignment requests instead. Add verification code.
10660 Add struct tree_function_decl and struct tree_binfo size to
10661 extra_order_size_table. Add missing element to size_lookup
10664 2006-06-22 Roger Sayle <roger@eyesopen.com>
10665 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10667 PR middle-end/28131
10668 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10669 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10671 2006-06-23 Ben Elliston <bje@au.ibm.com>
10673 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10674 negate dn -- manipulate it directly.
10676 2006-06-22 Roger Sayle <roger@eyesopen.com>
10677 Steven Bosscher <stevenb.gcc@gmail.com>
10680 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10681 generated by gen_move_insn to add REG_LABEL notes if necessary.
10683 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10685 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10686 (leaf_entry): Remove use of MIN_ESA.
10688 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10690 PR rtl-optimization/28121
10691 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10694 2006-06-21 DJ Delorie <dj@redhat.com>
10696 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10698 (mulhisi3_r): Likewise.
10700 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10702 PR middle-end/28034
10703 * coverage.c (coverage_counter_alloc): Leave the index type
10705 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10708 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10710 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10711 section from the "Options for Code Generation Conventions".
10713 2006-06-21 Richard Henderson <rth@redhat.com>
10717 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10719 (global_symbolic_operand): Allow weak symbols, even if local_p.
10721 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10723 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10724 (find_interesting_uses_address): Punt if above function returns true.
10726 2006-06-21 Richard Guenther <rguenther@suse.de>
10728 * configure: Regenerated.
10730 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10732 * config/mips/mips.c (function_arg): Where one part of a
10733 complex argument is in registers and the other part in the stack,
10734 return a REG not a PARALLEL.
10736 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10738 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10739 when cross-compiling. Do not substitute libstdcxx_incdir.
10740 * configure: Regenerated.
10742 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10744 * varasm.c (mergeable_string_section): Check for embedded NULs and
10745 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10746 rather than TREE_STRING_LENGTH bytes.
10748 2006-06-21 Richard Guenther <rguenther@suse.de>
10750 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10751 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10754 2006-06-21 Richrad Guenther <rguenther@suse.de>
10756 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10757 Limit iteration over the dominators.
10759 2006-06-20 Roger Sayle <roger@eyesopen.com>
10761 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10762 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10764 2006-06-20 Richard Guenther <rguenther@suse.de>
10765 Michael Matz <matz@suse.de>
10767 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10769 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10770 * et-forest.h (et_free_pools): Prototype new function.
10771 * et-forest.c (et_free_tree_force): Free parent occurrence.
10772 (et_free_pools): New function.
10773 * dominance.c (free_dominance_info): Free et-forest alloc
10776 2006-06-20 Roger Sayle <roger@eyesopen.com>
10778 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10779 integer modes, attempt to directly construct an integer constant.
10781 * fold-const.c (native_encode_vector): Determine the size of each
10782 element from the vector type instead of the first vector element.
10784 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10785 if all of its elements/components are constant.
10786 (build_constructor_from_list): Likewise.
10788 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10790 PR tree-optimization/27331
10791 * tree-data-ref.c (free_data_ref): New function.
10792 (create_data_ref): Fail if the data reference has unknown access
10794 (free_data_refs): Use free_data_ref.
10796 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10798 PR middle-end/28075
10799 * tree-inline.c (setup_one_parameter): Strip useless
10800 type conversion before adding it to the IR.
10801 (declare_return_variable): Likewise.
10803 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10806 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10808 2006-06-19 Mike Stump <mrs@apple.com>
10810 * tree.c (variably_modified_type_p): VM arguments don't make the
10813 2006-06-19 Richard Guenther <rguenther@suse.de>
10815 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10816 type conversions after folding.
10818 2006-06-19 Richard Guenther <rguenther@suse.de>
10820 * ggc-page.c (extra_order_size_tab): Add entries with
10821 size of struct function and basic_block.
10822 (size_lookup): Extend to cover sizes up to 511.
10823 (ggc_alloc_stat): Adjust user.
10824 (ggc_pch_count_object): Likewise.
10825 (ggc_pch_alloc_object): Likewise.
10826 (ggc_pch_write_object): Likewise.
10828 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10830 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10831 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10834 2006-06-19 Denis Chertykov <denisc@overta.ru>
10836 * config/avr/libgcc.S : Correct my wrong previous commit.
10838 2006-06-19 Roger Sayle <roger@eyesopen.com>
10841 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10842 have stripped a SUBREG from the shift count, so we may need to
10843 convert_to_mode back to the type's mode before calling make_tree.
10844 Use new_amount instead of amount to avoid expanding a tree twice.
10846 2006-06-19 Richard Guenther <rguenther@suse.de>
10848 PR middle-end/28045
10849 * fold-const.c (operand_equal_p): Check if the argument types
10850 have the same precision before stripping NOPs.
10852 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10854 Fix PR tree-optimization/27341
10855 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10857 * tree-complex.c (pass_lower_complex): Update SMT usage.
10859 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10861 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10862 Add a new alternative to the constraint strings. Add move of
10863 operand 1 to 3 to the splitter definition.
10864 ("doloop_si_long"): Second contraint alternative removed.
10866 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10868 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10869 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10871 (AVR_HAVE_MOVW) Define.
10872 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10873 (ASM_SPEC): Add avr25.
10874 (LINK_SPEC): Add avr25.
10875 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10876 (base_arch_s): Add new member 'have_movw_lpmx'.
10877 (avr_arch_types): Init 'have_movw_lpmx'.
10878 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10879 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10880 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10881 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10882 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10884 (avr_file_start): Do not output '.arh' derective.
10885 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10886 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10887 * config/avr/avr.md (mcu_enhanced): Delete.
10888 (mcu_have_movw): Define.
10889 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10890 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10891 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10892 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10893 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10894 attiny861 and at86rf401 devices.
10896 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10898 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10901 2006-06-17 Karl Berry <karl@gnu.org>
10903 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10904 doc/gccint.texi, doc/install.texi (@dircategory): Use
10905 "Software development" instead of "Programming", following
10906 the Free Software Directory.
10908 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10910 * config/i386/i386.c (legitimate_tls_address)
10911 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10912 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10913 (*tls_dynamic_gnu2_combine_64): Likewise.
10915 2006-06-16 Richard Guenther <rguenther@suse.de>
10917 PR middle-end/27116
10918 * fold-const.c (negate_expr_p): Do not introduce undefined
10919 overflow in negating INTEGER_CSTs.
10920 (fold_negate_expr): Rename from negate_expr. Revert last
10921 change for folding BIT_NOT_EXPR. Change semantics to
10922 return NULL_TREE for non-simplified negations. Do not
10923 strip type conversions and unify type handling.
10924 (negate_expr): New function, wrap around fold_negate_expr
10925 but ensure building a tree always. Strip type conversions
10926 here, fold to result type.
10927 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10929 2006-06-16 Roger Sayle <roger@eyesopen.com>
10931 PR middle-end/27802
10932 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10933 that (would) return their results in stack registers.
10935 2006-06-16 Michael Matz <matz@suse.de>
10936 Richard Guenther <rguenther@suse.de>
10938 * fold-const.c (fold_truthop): Only return new tree node if
10939 we canonicalized something.
10941 2006-06-16 Richard Guenther <rguenther@suse.de>
10943 * function.h (enum function_frequency): Move declaration
10944 out of struct function.
10945 (struct function): Move bool fields and the enum to the bitfield
10946 section. Reorder elements to avoid padding. Remove unused
10947 fields left over from the RTL inliner removal.
10948 * function.c (free_after_compilation): Do not zero removed fields.
10949 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10950 (ipa-type-escape.o): Likewise.
10952 2006-06-16 Richard Guenther <rguenther@suse.de>
10954 * cgraph.h (struct cgraph_local_info): Turn bool elements
10956 (struct cgraph_node): Likewise.
10957 (struct cgraph_varpool_node): Likewise.
10959 2006-06-15 Richard Guenther <rguenther@suse.de>
10961 * fold-const.c (fold_truth_not_expr): Rename from
10962 invert_truthvalue. Give it fold_* semantics to avoid
10963 generating garbage.
10964 (invert_truthvalue): New function. Wrapper around
10965 fold_truth_not_expr.
10966 (optimize_minmax_comparison): Avoid creating garbage.
10967 (fold_unary): Use fold_truth_not_expr for folding
10969 (fold_ternary): Replace uses of invert_truthvalue with
10970 fold_truth_not_expr where applicable.
10971 * tree.h (fold_truth_not_expr): Prototype.
10973 2006-06-16 Richard Guenther <rguenther@suse.de>
10975 PR tree-optimization/27781
10976 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10977 * ipa-pure-const.c (target.h): Include.
10978 (analyze_function): Do not analyze functions that do not
10981 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10983 PR middle-end/27793
10984 * tree-dfa.c (referenced_vars_dup_list): Remove.
10985 (find_referenced_vars): Remove assert.
10986 (referenced_var_check_and_insert): Replace dup list with assert.
10987 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10988 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10990 2006-06-15 Richard Guenther <rguenther@suse.de>
10992 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10993 extra unused identifiers if not dumping.
10994 (create_variable_info_for): Likewise.
10996 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10998 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10999 (derive_constant_upper_bound): Derive more precise upper bound in
11000 common cases. Return type changed to double_int.
11001 (record_estimate): Reflect the changed return type of
11002 derive_constant_upper_bound.
11003 * double-int.c (double_int_zext, double_int_sext): Fix.
11005 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11007 * configure.ac (CFLAGS): Get them from the toplevel or from the
11008 configure invocation.
11009 * configure: Regenerate.
11010 * Makefile.in (CFLAGS): Substitute value provided by configure.
11012 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11015 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11016 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11017 rather than calling add_stmt on it.
11018 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11020 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11022 PR middle-end/27959
11023 * reload1.c (reload): Remove registers returned by update_eliminables
11024 from used_spill_regs.
11026 2006-06-13 DJ Delorie <dj@redhat.com>
11028 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11030 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11032 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11033 html__strip_dir, html__mkdir_p. Enhance install-html target.
11034 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11035 * configure: Regenerate.
11037 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11039 * fold-const.c (fold_cond_expr_with_comparison): Check for
11040 Objective-C++ as language in deciding COND_EXPR transformation.
11042 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11045 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11046 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11047 * config/sh/lib1funcs.h (SL, SL1): Define.
11048 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11049 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11050 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11051 (OBJS_Os_4_200): New variable.
11052 ($(T)libgcc-Os-4-200.a): Use it.
11053 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11054 when dividing 1 and/or by 0.
11056 2006-06-13 Roger Sayle <roger@eyesopen.com>
11058 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11059 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11060 * configure: Regenerate.
11062 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11064 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11065 for real instruction.
11067 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11069 PR middle-end/26807
11070 * haifa-sched.c (check_cfg): Handle special case.
11072 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11075 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11076 Add debug_info parameter. Chain the vars to the BLOCK instead
11077 of the BIND_EXPR if debug info are requested for them.
11078 (pop_gimplify_context): Adjust for above change.
11079 (gimple_add_tmp_var): Likewise.
11080 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11081 Add bool parameter.
11082 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11083 (convert_local_reference): Likewise.
11084 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11085 (finalize_nesting_tree_1): Request that debug info be emitted
11086 for debug_var_chain.
11088 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11090 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11091 for PR target/27863.
11093 2006-06-13 Richard Guenther <rguenther@suse.de>
11095 PR middle-end/27536
11096 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11098 2006-06-13 Richard Guenther <rguenther@suse.de>
11100 PR tree-optimization/27830
11101 * tree-inline.c (copy_body_r): For copying the operand
11102 of an ADDR_EXPR make sure to fold &* afterwards.
11104 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11106 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11107 lvalues in the fb_none case with side-effects.
11109 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11111 * tree-flow.h: Remove the prototype for
11112 compute_phi_arg_on_exit.
11113 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11114 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11117 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11119 * builtins.c (expand_builtin_return_addr): Only use
11120 frame_pointer_rtx when count == 0 and we are expanding
11121 __builtin_return_address.
11123 2006-06-12 Fred Fish <fnf@specifix.com>
11125 * config/mips/mips.c (mips_file_start): Create special section
11126 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11128 2006-06-11 Eric Christopher <echristo@apple.com>
11130 PR middle-end/27948
11131 * stor-layout.c (place_field): Remove check for
11132 remaining_in_alignment when aligning at the end of a run.
11134 2006-06-11 Eric Christopher <echristo@apple.com>
11137 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11140 2006-06-11 Roger Sayle <roger@eyesopen.com>
11143 Revert incorrect fix for PR target/27158
11144 2006-05-08 Roger Sayle <roger@eyesopen.com>
11145 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11146 of a reg_equiv_constant if the result is a legitimate constant.
11148 2006-06-11 Roger Sayle <roger@eyesopen.com>
11151 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11152 extract a CONST_VECTOR element and interpret it as an integer.
11153 (vspltis_constant): Use const_vector_elt_as_int instead of the
11154 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11155 * config/rs6000/predicates.md (easy_vector_const): Consider
11156 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11158 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11160 PR middle-end/27942
11161 * stor-layout.c (update_alignment_for_field): Don't add extra
11162 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11165 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11167 * config/mips/t-rtems: Add EL/EB multilib variants.
11169 2006-06-09 Mike Stump <mrs@apple.com>
11171 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11173 2006-06-09 David Daney <ddaney@avtrex.com>
11175 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11177 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11179 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11181 2006-06-09 Richard Guenther <rguenther@suse.de>
11183 PR tree-optimization/26998
11184 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11185 of signed types, only TYPE_MIN_VALUE is special, but for both,
11186 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11187 in this case, as is -fwrapv.
11189 2006-06-08 Mike Stump <mrs@apple.com>
11192 * config/darwin.c (darwin_asm_output_anchor): Disable
11193 -fsection-anchors on darwin for now.
11194 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11195 * rs6000/rs6000.c (optimization_options): Likewise.
11197 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11200 * config/i386/i386.c (classify_argument): Skip fields with invalid
11203 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11205 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11206 (cse_insn): Likewise for the stack_pointer_rtx.
11208 2006-06-08 Roger Sayle <roger@eyesopen.com>
11210 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11211 conditions from floating point comparisons.
11213 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11215 PR middle-end/27733
11216 * expmed.c (struct alg_hash_entry): Fix type of field T
11217 to match synth_mult argument.
11218 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11220 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11223 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11226 2006-06-08 Richard Guenther <rguenther@suse.de>
11228 PR middle-end/27116
11229 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11230 only, if overflow is defined and not trapping.
11231 (negate_expr): Likewise.
11233 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11235 PR tree-optimization/27872
11236 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11237 flag on the new exit edge of the unrolled loop.
11239 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11241 PR rtl-optimization/26449
11242 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11244 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11246 PR middle-end/27793
11247 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11248 referenced_variables with matching DECL_UID's.
11249 (find_referenced_vars): Make sure duplicate list is empty to start.
11250 (referenced_var_p): Remove.
11251 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11252 Check if var is in the list, and add if needed. Update the duplicate
11253 list if a different var is in the list with the same DECL_UID.
11254 (add_referenced_var): Call routine to check and insert.
11255 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11256 * tree-flow.h (referenced_vars_dup_list): External declaration.
11258 2006-06-07 Fred Fish <fnf@specifix.com>
11260 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11263 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11266 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11267 the imaginary and real parts of a clobbered register.
11268 Emit insn to set the imaginary part.
11270 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11272 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11273 in lieu of unwind-dw2-fde.c.
11275 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11277 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11279 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11282 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11283 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11284 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11285 V4SImode temporaries and operations instead.
11287 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11289 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11292 2006-06-06 Mike Stump <mrs@apple.com>
11294 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11295 installing during build.
11297 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11299 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11301 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11302 * config/ia64/ia64.c (params.h): New header.
11303 (ia64_optimization_options): New function to adjust parameters.
11304 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11305 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11306 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11308 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11310 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11312 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11315 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11317 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11318 Victor Kaplansky <victork@il.ibm.com>
11320 PR tree-optimization/26360
11321 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11324 2006-06-04 Roger Sayle <roger@eyesopen.com>
11325 Andrew Pinski <pinskia@physics.uc.edu>
11327 PR middle-end/27382
11328 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11329 for LABEL_DECL before calling DECL_WEAK.
11332 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11333 LABEL_DECL and PARM_DECL.
11335 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11339 * c-decl.c (grokdeclarator): Disallow variably modified types at
11340 file scope. Avoid marking shared array type of constant size as
11343 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11346 * c-common.c (fold_offsetof_1): Handle static members.
11348 2006-06-04 Eric Christopher <echristo@apple.com>
11350 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11351 (debug_rli): Output value for remaining_in_alignment.
11352 (update_alignment_for_field): Unconditionalize
11353 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11354 extra alignment code.
11355 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11356 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11357 * tree.h (record_layout_info_s): Remove prev_packed.
11358 * doc/extend.texi (ms_struct): Add documentation of format.
11360 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11362 * tree.h: Declare folding_initializer.
11363 * builtins.c (fold_builtin_constant_p): Give definite answer
11364 if folding inside an initializer.
11365 * fold-const.c: Define folding_initializer.
11366 (START_FOLD_INIT): Save and then set folding_initializer.
11367 (END_FOLD_INIT): Restore folding_initializer.
11369 2006-06-04 Richard Guenther <rguenther@suse.de>
11371 PR tree-optimization/27039
11372 * fold-const.c (fold_comparison): Handle pointer comparison
11373 again for all comparison codes. Compare offsets in signed
11375 (fold_binary): Move code from here.
11377 2006-06-03 Roger Sayle <roger@eyesopen.com>
11380 * config/i386/i386.c (construct_container): Split static issued_error
11381 flag into issued_sse_arg_error, issued_sse_ret_error and
11382 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11383 requires the use of x87 registers and the user explicitly
11384 specified the -mno-80387 command line option.
11386 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11388 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11389 HAVE_DECL_SIGALTSTACK.
11391 (segv_handler): Use MC_FLD.
11392 * configure.ac: Check for a sigaltstack declaration.
11393 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11394 * configure: Regenerate.
11395 * config.in: Regenerate.
11397 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11400 * Makefile.in (stmp-fixinc): Fix typo.
11402 2006-06-02 Roger Sayle <roger@eyesopen.com>
11404 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11405 are type correct. Clean-up.
11406 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11407 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11409 2006-06-01 DJ Delorie <dj@redhat.com>
11411 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11412 shift, as we've disabled the "switch" insn that needs it.
11414 2006-06-01 Per Bothner <bothner@bothner.com>
11416 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11417 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11418 * c-ppoutput.c (cb_define): Don't increment line 0.
11420 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11422 * doc/invoke.texi: Add cpu_type power6.
11423 * config.gcc: Add cpu_type power6.
11424 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11425 to power5+ with Altivec.
11426 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11427 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11429 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11431 * config/avr/avr.h (SET_ASM_OP): Define.
11433 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11435 * config/bfin/bfin.c: Fix comment typos.
11437 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11440 * doc/install.texi: Document --enable-bootstrap and
11441 --disable-bootstrap.
11443 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11445 * doc/install.texi: Document that InfoZIP can replace jar.
11447 2006-05-31 Roger Sayle <roger@eyesopen.com>
11449 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11450 isn't available, directly generate the simpler x87 patterns without
11451 the (use (const_int 0)).
11452 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11453 implementation isn't available.
11454 (*negdf2_1): Likewise.
11455 (*negxf2_1): XF mode negation is always done using the x87.
11456 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11458 2006-05-31 Roger Sayle <roger@eyesopen.com>
11460 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11461 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11463 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11465 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11467 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11468 * config/bfin/bfin.c (basic-block.h): Include.
11469 (struct machine_function): New.
11470 (bfin_init_machine_status): New.
11471 (override_options): Initialize init_machine_status.
11472 (bfin_hardware_loop): New.
11473 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11474 (DEF_VEC_P (loop_info)): New.
11475 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11476 (struct loop_info): New.
11477 (loop_info): New typedef.
11478 (struct loop_work): New.
11479 (loop_work): New typedef.
11480 (DEF_VEC_O (loop_work)): New.
11481 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11482 (bfin_dump_loops): New.
11483 (bfin_bb_in_loop): New.
11484 (bfin_scan_loop): New.
11485 (bfin_optimize_loop): New.
11486 (bfin_reorg_loops): New.
11487 (bfin_reorg): Use bfin_reorg_loops.
11488 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11490 (I_REGNO_P): Simplify.
11491 (DP_REGNO_P, DPREG_P): New macros.
11492 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11493 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11494 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11495 Add LT_REGS, LC_REGS, LB_REGS.
11496 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11498 (REGNO_REG_CLASS): Deal with loop registers.
11499 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11501 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11502 New constants for loop registers.
11503 (UNSPEC_LSETUP_END): New.
11504 (seq_insns): New define_attr. Set it for appropriate insns.
11505 (movsi_insn): Add alternatives for move from/to
11506 loop count registers.
11507 (doloop_end): New define_expand.
11508 (loop_end): New define_insn.
11509 (define_split for bad doloop_end): New.
11510 (lsetup_with_autoinit): New define_insn.
11511 (lsetup_without_autoinit): New define_insn.
11512 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11513 * config/bfin/predicates.md (lc_register_operand): New.
11514 (lt_register_operand): New.
11515 (lb_register_operand): New.
11516 (nondp_register_operand): New.
11517 (nondp_reg_or_memory_operand): New.
11518 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11520 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11522 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11523 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11525 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11527 * Makefile.in (CATALOGS): Add po/ prefix.
11528 * configure: Regenerated.
11530 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11533 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11534 a shift operand before calling shift_op. Avoid redundant call of
11537 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11538 DJ Delorie <dj@redhat.com>
11540 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11541 we're inserting is a singlt-bit constant.
11543 2006-05-30 Roger Sayle <roger@eyesopen.com>
11545 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11546 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11548 2006-05-30 Roger Sayle <roger@eyesopen.com>
11550 PR tree-optimization/23452
11551 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11552 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11553 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11554 complex values and with -ffast-math for FP complex values.
11556 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11558 * c-common.h: Remove the prototype for yyparse.
11559 * rtl.h: Remove the prototype for init_loop.
11561 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11563 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11566 2006-05-30 Roger Sayle <roger@eyesopen.com>
11568 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11570 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11571 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11573 2006-05-30 Dirk Mueller <dmueller@suse.de>
11576 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11577 for CONSTANT_CLASS_P expresisons.
11579 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11582 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11584 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11586 PR tree-optimization/27779
11587 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11588 initial_condition instead of CHREC_LEFT.
11590 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11592 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11593 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11594 Make prototypes ISO C90.
11596 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11597 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11599 * see.c (see_analyze_one_def): Correct check.
11600 (see_get_extension_data): Check if extension is parallel.
11601 (see_get_extension_reg): Likewise.
11603 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11606 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11607 into register for (code == GTU).
11609 2006-05-29 Roger Sayle <roger@eyesopen.com>
11611 PR tree-optimization/24964
11612 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11613 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11614 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11615 abs(x)*abs(x) as x*x for scalar floating point modes.
11617 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11619 PR middle-end/27745
11620 * lambda-code.c (perfect_nestify): Don't copy statements
11621 in the inner loop: move them to the inner loop header.
11623 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11626 * c-tree.texi: Document OpenMP directives and clauses.
11628 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11630 * varasm.c (globalize_decl): Fix indentation.
11632 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11635 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11636 pass_fre, pass_store_ccp, pass_copy_prop,
11637 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11638 pass_return_slot, pass_object_size, pass_lim,
11639 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11640 pass_loop_prefetch and pass_stdarg.
11642 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11644 * config/bfin/bfin.opt (mfdpic): New option.
11645 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11646 (EXTRA_MULTILIB_PARTS): Likewise.
11647 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11648 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11650 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11651 (CRT_CALL_STATIC_FUNCTION): New.
11652 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11654 (CRT_CALL_STATIC_FUNCTION): New.
11655 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11657 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11658 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11659 (initialize_trampoline): Changed to handle FD-PIC code generation.
11660 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11661 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11662 (override_options): Disallow -mid-shared-library -mfdpic combination.
11663 Can't do unaligned ops if FD-PIC.
11664 Turn off flag_pic if trying to generate non-id-shared-library
11665 non-fdpic code, since it's not supported.
11666 (bfin_assemble_integer): New function.
11667 (TARGET_ASM_INTEGER): Define.
11668 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11670 * config/bfin/crtn.s: Restore them.
11671 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11673 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11674 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11675 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11676 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11677 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11679 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11680 FDPIC_REGS and FDPIC_FPTR_REGS.
11681 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11682 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11683 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11684 (load_funcdescsi): New pattern.
11685 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11686 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11687 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11689 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11691 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11694 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11696 * tree-flow.h: Remove the prototype for add_type_alias.
11697 * tree-ssa-alias.c (add_type_alias): Remove.
11699 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11701 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11702 config/fr30/fr30.md, config/i386/i386-interix.h,
11703 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11704 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11705 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11706 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11707 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11708 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11709 Follow spelling conventions.
11710 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11711 Follow spelling conventions.
11713 2006-05-27 Richard Guenther <rguenther@suse.de>
11715 PR middle-end/27773
11716 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11717 to produce a constant of value 1 of generic type.
11719 2006-05-27 Dirk Mueller <dmueller@suse.de>
11721 * cgraphunit.c (decide_is_function_needed): Fix wrong
11724 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11726 PR rtl-optimization/27661
11727 * reload.c (find_reloads): When reloading a VOIDmode constant
11728 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11729 use Pmode as mode of the reload register.
11731 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11733 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11734 is enabled at -O and above.
11736 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11739 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11742 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11745 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11746 for anonymous variables explicitly declared by front ends.
11748 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11750 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11751 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11752 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11753 ref-all pointers, run a finalization pass for them.
11754 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11755 (finalize_ref_all_pointers): New function.
11756 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11757 regular pointer type to a ref-all pointer type.
11758 (get_tmt_for): Return the special memory tag for ref-all pointers.
11760 2006-05-25 Richard Guenther <rguenther@suse.de>
11762 PR middle-end/27743
11763 * fold-const.c (fold_binary): Do not look at the stripped
11764 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11766 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11768 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11769 for LT and GT if the computed range is effectively empty.
11771 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11774 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11775 mips_quad_format formats instead of ieee_single_format,
11776 ieee_double_format and ieee_quad_format formats, respectively.
11778 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11780 PR tree-optimization/27639
11781 PR tree-optimization/26719
11782 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11783 call to scev_probably_wraps_p.
11784 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11785 used_in_pointer_arithmetic_p, convert_step): Removed.
11786 (nowrap_type_p): New function.
11787 (scev_probably_wraps_p): Rewritten.
11788 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11789 chrec_convert if chrec_convert_aggressive might have been used.
11790 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11791 scev_direction): New functions.
11792 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11793 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11794 instead of convert_step.
11795 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11796 (convert_step): Declaration removed.
11797 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11799 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11801 * df-core.c: Added to header comments.
11802 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11803 df_ur_bb_info, df_urec_bb_info): Added comments.
11804 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11805 urec, ri problems): Fixed header comments.
11806 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11807 code from df_rd_transfer_function.
11809 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11811 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11812 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11813 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11815 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11817 * expr.c (undefined_operand_subword_p): New.
11818 (emit_move_multi_word): Do not generate move from undefined bits
11819 of a paradoxical subreg.
11821 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11823 PR rtl-optimization/27736
11824 * combine.c (replaced_rhs_value): New variable.
11825 (combine_instructions): Set it.
11826 (distribute_notes): When distributing a note in replaced_rhs_insn,
11827 check whether the value was used in replaced_rhs_value.
11829 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11832 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11833 add_referenced_var instead of add_referenced_tmp_var.
11834 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11835 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11836 add_referenced_var.
11837 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11838 tree_optimize_tail_calls_1): Use add_referenced_var.
11839 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11840 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11841 Use add_referenced_var.
11842 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11843 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11844 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11845 Use add_referenced_var.
11846 * tree-dfa.c (struct walk_state): Remove.
11847 (find_referenced_vars): Remove walk state and vars_found hash table.
11848 (make_rename_temp): Use add_referenced_var.
11849 (find_vars_r): Pass less parameters to add_referenced_var.
11850 (referenced_var_p): New. Is var in referenced_var hash table.
11851 (referenced_var_insert): Assert var isn't already in hash table.
11852 (add_referenced_var): Don't need walk_state parameter. Add var if it
11853 isn't already in the hash table.
11854 (add_referenced_tmp_var): Remove.
11855 (find_new_referenced_vars_1): Use add_referenced_var.
11856 * tree-ssa-pre.c (create_expression_by_pieces,
11857 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11858 Use add_referenced_var.
11859 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11860 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11861 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11862 add_referenced_var.
11863 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11864 vect_create_data_ref_ptr, vect_create_destination_var,
11865 vect_init_vector, vect_build_loop_niters,
11866 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11867 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11868 Use add_referenced_var.
11869 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11870 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11871 (add_referenced_var): Add prototype.
11872 * tree-ssa-structalias.c (get_constraint_for,
11873 intra_create_variable_infos): Use add_referenced_var.
11875 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11877 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11878 big-endian paradoxical subregs.
11879 * var-tracking.c (struct micro_operation_def): Document that,
11880 for modify micro operations, insn is the subsequent instruction.
11881 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11882 (var_reg_set, var_mem_set): ... new functions.
11883 (add_stores): Record subsequent insn.
11884 (compute_bb_dataflow): Use new functions for MO_USE.
11885 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11886 notes after the insn, and modify notes before the insn known
11887 to be the subsequent one.
11888 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11890 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11893 * config/i386/i386.c (ix86_expand_builtin): Use
11894 gen_sse3_monitor64 for TARGET_64BIT.
11896 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11898 PR rtl-optimization/26375
11899 PR rtl-optimization/26855
11900 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11902 (df_ru_bb_local_compute): Reversed statements and removed bogus
11903 comment explaining why they should be in wrong order.
11904 (df_ru_dump, df_rd_dump): Enhanced debug info.
11905 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11907 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11908 reaching uses and fixed space problem.
11910 2006-05-23 Jan Hubicka <jh@suse.cz>
11912 * cgraphunit.c (decide_is_function_needed): Also nested functions
11913 and functions declared inline can be optimized out at -O0.
11915 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11917 * doc/install.texi (Configuration): Remove reference to CrossGCC
11918 FAQ which was gone.
11921 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11924 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11925 ix86_compare_emitted is non-NULL.
11927 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11930 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11933 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11935 PR rtl-optimization/25514
11936 * combine.c (replaced_rhs_insn): New variable.
11937 (combine_instructions): Set replaced_rhs_insn when trying to replace
11938 a SET_SRC with a REG_EQUAL note.
11939 (distribute_notes): Use replaced_rhs_insn when determining the live
11940 range of a REG_DEAD register.
11942 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11943 Anatoly Sokolov <aesok@post.ru>
11945 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11946 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11947 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11948 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11949 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11950 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11951 at90usb647, at90usb1286 and at90usb1287 devices.
11952 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11953 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11955 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11957 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11959 2006-05-22 Richard Guenther <rguenther@suse.de>
11962 2006-01-31 Richard Guenther <rguenther@suse.de>
11963 Paolo Bonzini <bonzini@gnu.org>
11965 * doc/install.texi (--disable-libgcc-math): Document.
11967 2006-05-22 Richard Guenther <rguenther@suse.de>
11970 2006-01-31 Richard Guenther <rguenther@suse.de>
11972 * doc/invoke.texi (-msselibm): Document.
11973 * target.h (expand_library_builtin): New target hook.
11974 * builtins.c (expand_builtin): Use expand_library_builtin.
11975 (default_expand_library_builtin): New function.
11976 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11977 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11978 (link_gcc_math_spec): Declare.
11979 (static_specs): Add link_gcc_math_spec.
11980 * expr.h (default_expand_library_builtin): Declare.
11981 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11982 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11983 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11984 * config/i386/i386.opt (msselibm): New target option.
11985 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11986 (ix86_init_sse_abi_builtins): New function.
11987 (ix86_expand_library_builtin): Likewise.
11988 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11989 (override_options): Handle error conditions wrt -msselibm.
11990 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11991 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11992 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11995 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11998 * c-common.c (self_promoting_args_p): Skip erroneous args.
12001 * c-decl.c (finish_struct): Skip erroneous fields.
12003 2006-05-22 Nick Clifton <nickc@redhat.com>
12005 * config/cris/cris.opt (march): Remove VarExists attribute.
12006 (max-stackframe=): Likewise.
12008 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12010 * doc/rtl.texi: Fix a typo.
12011 * see.c: Fix comment typos.
12013 * tree-ssa-structalias.h (alias_info): Remove num_references.
12015 2006-05-21 Mike Stump <mrs@apple.com>
12017 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12019 (darwin_pragma_options): Use BAD instead.
12020 (darwin_pragma_unused): Likewise.
12021 (darwin_pragma_ms_struct): Likewise.
12023 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12025 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12027 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12029 PR rtl-optimization/27671
12030 * simplify-rtx.c (simplify_relational_operation_1): Fix
12031 simplifications of (eq/ne (xor x y) y) and
12032 (eq/ne (xor x y) x).
12034 PR tree-optimization/26622.
12035 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12038 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12040 * tree-cfg.c: Prune whitespace.
12041 (debug_tree_cfg): Point to correct header containing the
12044 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12046 PR middle-end/25776
12047 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12049 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12051 PR middle-end/25776
12052 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12053 or sorry count is non zero.
12055 2006-05-20 Andreas Schwab <schwab@suse.de>
12057 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12059 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12060 Kenneth Zadeck <zadeck@naturalbridge.com>
12062 PR rtl-optimization/26855
12064 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12066 (df_scan_alloc): Added code to properly handle multiword hard
12067 registers and add all_blocks parameter.
12068 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12069 code to properly handle multiword hard registers.
12070 (df_rescan_blocks): Added code to remove deleted blocks from
12072 (df_ref_create_structure, df_ref_record): Added code to properly
12074 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12075 and set DF_REF_PARTIAL.
12076 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12077 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12078 (df_scan_add_problem): Added flags parameter.
12079 (df_ref_create_structure): Changed switching structure.
12080 (df_bb_refs_record): Fixed case where duplicate artificial refs
12081 were created. Changed location of flags.
12082 (df_record_entry_block_defs): Added code to make stack pointer
12083 live in entry block. Refined cases where frame pointer is needed.
12084 Changed location of flags.
12085 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12086 (df_set_state): Removed function.
12087 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12088 df_insn_create_insn_record, df_insn_refs_delete,
12089 df_ref_create_structure): Formatting changes.
12090 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12091 df_delete_basic_block): New function.
12092 (df_init): Changed location of flags.
12093 (df_add_problem): Added flags parameter and the way flags are
12095 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12096 debug_df_chain): Improved debugging output.
12097 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12098 (df_refs_chain_dump): Removed df parameter.
12099 (df_iterative_dataflow): Added consistency check.
12100 (df_prune_to_subcfg): Made public.
12101 (df_analyze_problem): Added blocks_to_init parameter and made
12103 (df_ref_record, df_bb_refs_record, df_mark_reg,
12104 df_record_exit_block_uses): Whitespace changes.
12105 (df_dump): Whitespace changes.
12106 * df.h: Some reordering to remove forward references.
12107 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12108 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12109 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12110 (dataflow.flags): New field.
12111 (df.flag): Deleted field.
12112 (df_alloc_function): Added additional bitmap parameter.
12113 (df_dependent_problem_function): New type.
12114 (df_problem.changeable_flags): New field.
12115 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12116 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12117 (df_mw_hardreg): New struct.
12118 (DF_INSN_UID_MWS): New macro.
12119 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12121 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12122 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12123 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12124 (df_set_state): Removed function.
12125 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12126 * df-problems.c (df_chain_dump): Removed df parameter.
12127 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12128 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12130 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12131 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12132 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12133 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12134 DF_REF_MUST_CLOBBER cases.
12135 (df_ru_bb_local_compute_process_def,
12136 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12137 df_lr_bb_local_compute, df_ur_bb_local_compute,
12138 df_chain_create_bb): Made subreg aware.
12139 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12140 df_lr_bb_local_compute, df_lr_bb_local_compute,
12141 df_chain_create_bb): Cleanup to use proper macros.
12142 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12143 code to fixup bitvectors.
12144 (df_ri_alloc): Cleared lifetime.
12145 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12146 df_create_unused_note): New function.
12147 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12148 REG_DEAD and REG_UNUSED notes as well as register information.
12149 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12150 df_chains_dump): Fixed crash if problem was never run.
12151 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12152 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12153 df_ri_add_problem): Processes flags in uniform manner.
12154 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12155 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12156 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12157 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12158 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12159 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12160 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12161 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12162 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12163 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12164 * see.c (see_initialize_data): Ditto.
12165 * final.c (rest_of_clean_state) Added regstack_completed.
12166 * rtl.h (regstack_completed): Ditto.
12167 * reg-stack.c (regstack_completed): Ditto.
12169 2006-05-19 Mike Stump <mrs@apple.com>
12171 * c-tree.h (default_conversion): Remove.
12172 * c-common.h (default_conversion): Add.
12174 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12176 * tree-vrp.c (valid_value_p): New function.
12177 (adjust_range_with_scev): Fail if the value of bound is not
12180 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12182 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12183 (mips_fallback_frame_state): Use syscall numbers to determine
12184 the appropriate li instruction for the current ABI. Only use
12185 __NR_sigreturn for o32.
12187 2006-05-19 Nicolas Setton <setton@adacore.com>
12189 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12190 * langhooks.c (lhd_dwarf_name): New function.
12191 * langhooks-def.h (lhd_dwarf_name): Declare.
12192 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12193 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12195 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12197 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12199 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12200 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12201 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12202 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12203 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12204 determine the size of Wtype, etc.
12205 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12206 (swfloatfuncs): New variable.
12207 (dwfloatfuncs): Likewise.
12208 (lib2funcs): Remove floating-point conversion functions from
12209 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12210 the set of conversion routines needed. Allow entries to specify
12211 an object name, filename and word size. Update users accordingly.
12212 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12213 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12217 2006-02-08 Roger Sayle <roger@eyesopen.com>
12220 * config/fixtfdi.c: New libgcc source file.
12221 * config/fixunstfdi.c: New source file.
12222 * config/floatditf.c: New source file.
12223 * config/floatunditf.c: New souce file.
12224 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12225 files above instead of config/mips/_tilib.c.
12226 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12228 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12230 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12231 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12233 2006-05-18 Mike Stump <mrs@apple.com>
12235 Fix up vla, vm and [*] sematics.
12241 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12242 (c_vla_unspec_p): Add.
12243 (c_vla_type_p): Add.
12244 * c-decl.c (struct c_scope): Add had_vla_unspec.
12245 (build_array_declarator): Add support for [*].
12246 (grokdeclarator): Likewise.
12247 (grokparms): Likewise.
12248 (get_parm_info): Likewise.
12249 * c-objc-common.c (c_vla_unspec_p): Likewise.
12250 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12251 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12252 typeof when argument is a variably modified type not inside sizeof or alignof.
12253 (c_parser_direct_declarator_inner): Propagate errors.
12254 (c_parser_sizeof_expression): Add support for [*].
12255 (c_parser_parms_declarator): Initialize had_vla_unspec.
12256 (c_parser_parms_list_declarator): Likewise.
12257 * c-typeck.c (c_vla_type_p): Add.
12258 (composite_type): Add support for vla compositing.
12259 (comptypes_internal): Add support for vla compatibility.
12260 (c_expr_sizeof_expr): Evaluate vla arguments.
12261 * tree.c (variably_modified_type_p): Update comment for [*].
12263 2006-05-18 Michael Matz <matz@suse.de>
12266 * config.host: Make assignments to host_xmake_file cumulative.
12267 * config.host (*-darwin*): Test $host, not $target.
12269 2006-05-12 Stuart Hastings <stuart@apple.com>
12271 * config/i386/i386.opt (-mstackrealign): New flag.
12272 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12273 (ix86_handle_cconv_attribute): Emit error when
12274 force_align_arg_pointer attribute collides with too many regparms.
12275 (ix86_function_regparm): Limit regparms when used with
12276 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12277 Support stack-realigning prologue in non-main functions. Emit
12278 warning for nested functions under -mstackrealign, emit error for
12279 nested functions with force_align_arg_pointer attribute.
12280 * doc/extend.texi (force_align_arg_pointer): Document it.
12281 * doc/invoke.texi (-mstackrealign): Document it.
12283 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12285 PR rtl-optimization/27477
12286 * combine.c (try_combine): Don't split a parallel consisting
12287 of two sets into two individual sets if both sets reference
12290 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12292 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12293 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12295 * doc/options.texi (VarExists): Updated.
12297 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12299 * unwind-dw2.c: Add declarations for uw_update_context and
12300 uw_frame_state_for.
12301 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12302 detected, advance frame state and context once to skip over stub.
12304 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12306 PR middle-end/20256
12307 PR middle-end/26435
12308 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12309 Call rewrite_into_loop_closed_ssa only when something changed.
12310 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12311 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12312 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12313 Test for perfect_nest_p here. Fix formating.
12314 (replace_uses_equiv_to_x_with_y): Fix formating.
12315 (stmt_uses_op): Removed.
12316 (can_convert_to_perfect_nest): Removed loopivs parameter.
12317 Complete the test by checking the scalar dependences.
12318 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12321 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12324 From Dan Kegel <dank@kegel.com>:
12325 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12327 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12329 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12330 if the element type is variably modified without recursing.
12332 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12334 PR middle-end/27332
12335 * tree-loop-linear.c (try_interchange_loops): Test for
12336 no data dependences.
12338 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12340 PR tree-optimization/27548
12341 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12342 range of ssa names that appear on abnormal edges.
12343 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12344 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12346 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12348 PR middle-end/27620
12349 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12351 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12353 PR middle-end/27415
12354 * tree.h (OMP_PARALLEL_COMBINED): Define.
12355 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12356 (new_omp_context): Add is_combined_parallel argument.
12357 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12358 new_omp_context caller.
12359 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12360 Adjust gimplify_scan_omp_clauses callers.
12361 (omp_is_private): Issue errors if iteration variable is firstprivate
12362 or reduction in the current context.
12363 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12364 on combined parallel workshare constructs.
12366 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12368 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12369 (gcc-options.o): New rule.
12371 * optc-gen.awk: Protect variables for gcc-options.o with
12372 #ifdef GCC_DRIVER/#endif.
12374 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12376 Fix PR tree-optimization/27373
12377 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12378 (forward_propagate_addr_expr): Update call.
12380 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12382 * doc/options.texi: Move the Negative option.
12384 2006-05-16 Richard Guenther <rguenther@suse.de>
12386 PR tree-optimization/22303
12387 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12389 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12390 ccp_fold did not simplify the statement.
12392 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12395 * Makefile.in (GCC_OBJS): New.
12396 (OBJS-common): Add opts-common.o.
12397 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12398 (cpp$(exeext)): Likewise.
12399 (gcc.o): Also depend on opts.h.
12400 (opts-common.o): New.
12402 * common.opt (gcoff): Add Negative(gdwarf-2).
12403 (gdwarf-2): Add Negative(gstabs).
12404 (gstabs): Add Negative(gstabs+).
12405 (gstabs+): Add Negative(gvms).
12406 (gvms): Add Negative(gxcoff).
12407 (gxcoff): Add Negative(gxcoff+).
12408 (gxcoff+): Add Negative(gcoff).
12409 * config/i386/i386.opt (m32): Add Negative(m64).
12410 (m64): Add Negative(m32).
12412 * doc/options.texi: Document the Negative option.
12414 * gcc.c: Include "opts.h".
12415 (main): Call prune_options after expandargv.
12417 * optc-gen.awk: Generate common declarations for all flag
12418 variables in options.c. Output the neg_index field.
12420 * opts.c (find_opt): Moved to ...
12421 * opts-common.c: Here. New file.
12423 * opts.h (cl_option): Add a neg_index field.
12425 (prune_options): Likewise.
12427 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12429 PR middle-end/27573
12430 * omp-low.c (expand_omp_parallel): Don't assert
12431 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12432 instead search for it.
12435 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12438 2006-05-16 Andreas Schwab <schwab@suse.de>
12440 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12443 2006-05-15 Roger Sayle <roger@eyesopen.com>
12446 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12447 integer constants other than zero are only legitimate on TARGET_64BIT.
12448 <CONST_VECTOR> Only zero vectors are legitimate.
12449 (ix86_cannot_force_const_mem): Integral and vector constants can
12450 always be put in the constant pool.
12452 2006-05-16 DJ Delorie <dj@redhat.com>
12454 * crtstuff.c (__dso_handle): Set section from
12455 TARGET_LBIGCC_SDATA_SECTION if defined.
12456 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12457 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12459 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12462 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12465 2006-05-16 Ben Elliston <bje@au.ibm.com>
12467 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12469 2006-05-15 Per Bothner <per@bothner.com>
12471 * tree.c: (last_annotated_node): Use source_locus typedef.
12472 This permits bootstrapping with --enable-mapped-location.
12474 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12476 PR tree-optimization/26830
12477 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12478 (info_for_ssa_name, current_info_for_ssa_name_age,
12479 blocks_to_update): New variables.
12480 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12481 (clear_ssa_name_info, initialize_flags_in_bb,
12482 mark_block_for_update): New functions.
12483 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12484 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12485 prepare_def_site_for): Use mark_block_for_update.
12486 (mark_def_interesting): Assert that the processed block is marked in
12487 blocks_to_update. Do not take blocks argument.
12488 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12490 (rewrite_update_init_block, rewrite_update_stmt): Only process
12491 blocks with statements to rewrite.
12492 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12493 (update_ssa): Initialize and free blocks_to_update. Do not
12494 clear flags on statements. Do not use blocks bitmap.
12495 * tree.h (SSA_NAME_AUX): Removed.
12496 (struct tree_ssa_name): Removed aux field.
12497 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12499 2006-05-15 Richard Guenther <rguenther@suse.de>
12501 PR tree-optimization/27603
12502 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12503 Do computations in original type.
12505 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12507 * see.c: Code style changes such as redundant paranthesis,
12508 redundant intialization of local variables etc.
12509 (see_main): Declared now as static.
12510 * doc/invoke.texi: Update that -fsee is not enabled by
12513 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12515 * omp-low.c (check_omp_nesting_restrictions): New function.
12516 (scan_omp_1): Call it.
12518 PR middle-end/27416
12519 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12520 construct, return *VAR.
12522 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12524 PR rtl-optimization/27406
12525 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12528 2006-05-14 Roger Sayle <roger@eyesopen.com>
12530 PR rtl-optimization/27538
12531 * combine.c (expand_compound_operation): Call gen_lowpart
12532 before calling simplify_shift_const.
12534 2006-05-14 Roger Sayle <roger@eyesopen.com>
12536 PR rtl-optimization/22563
12537 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12538 a fixed width bitfield, always force the intermediates into psuedos.
12540 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12543 * mkconfig.sh: Use operator = instead of == for test.
12545 2006-05-13 Nick Clifton <nickc@redhat.com>
12547 * dwarf2out.c (dbx_reg_number): Check return value from
12548 LEAF_REG_REMAP and only use it if it is valid.
12549 (multiple_reg_loc_descriptor): Likewise.
12551 2006-05-13 Richard Guenther <rguenther@suse.de>
12553 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12556 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12558 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12559 information attached to non-INSNs such as NOTEs.
12560 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12562 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12564 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12566 * config/s390/s390.md: Adjust comment describing On constraint.
12568 2006-05-11 Jan Hubicka <jh@suse.cz>
12570 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12571 to be output at -O0.
12573 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12575 PR middle-end/27384
12576 * fold-const.c (size_binop): Move sanity check for arguments to
12577 the beginning of the function.
12579 PR middle-end/27488
12580 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12583 2006-05-11 Richard Guenther <rguenther@suse.de>
12585 PR middle-end/27529
12586 * fold-const.c (fold_unary): Handle intermediate conversion
12587 to a pointer type like intermediate conversion to an integer
12588 type in folding of (T1)(T2)var to var.
12589 Match the code to the comment in the final conversion for
12590 (T1)(T2)var to (T1)var regarding to type precision. Rather
12591 than disallow T1 being of pointer type, assert that both T1
12592 and var are of pointer type or not. Make sure not to fall
12593 over the frontends lazyness wrt array to pointer decay though.
12595 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12597 * arm.c (arm_struct_value_rtx): Delete.
12598 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12599 (arm_init_cumulative_args): Always initialize nregs to zero.
12601 2006-05-10 Richard Guenther <rguenther@suse.de>
12603 PR tree-optimization/27532
12604 * tree-object-size.c (plus_expr_object_size): Fix typo.
12606 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12609 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12610 ashrdi_const, ashrdi3): Use a scratch register.
12612 2006-05-10 Richard Guenther <rguenther@suse.de>
12614 PR tree-optimization/27302
12615 * fold-const.c (operand_equal_p): For two comparisons,
12616 try comparison of one comparison code swapped if that yields
12619 2006-05-10 Ben Elliston <bje@au.ibm.com>
12621 * tree-pretty-print.c (pretty_print_string): No need to handle
12622 '\0' as a special character.
12624 * tree.h: Include "hashtab.h".
12625 (iterative_hash_expr): Use hashval_t in its prototype.
12626 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12628 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12631 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12632 (hppa*64*-*-hpux11*): Ditto.
12633 (hppa[12]*-*-hpux11*): Ditto.
12635 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12638 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12640 2006-05-09 Michael Matz <matz@suse.de>
12642 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12643 host_extra_gcc_objs and host_xmake_file.
12644 (<*-*-linux*>): Don't overwrite host_xmake_file.
12645 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12646 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12647 (host_detect_local_cpu): Declare.
12648 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12649 * config/i386/i386.c (override_options): Handle -mtune=native
12651 * config/i386/x-i386: New file.
12652 * config/i386/driver-i386.c: New file.
12653 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12656 2006-05-09 Dirk Mueller <dmueller@suse.de>
12657 Richard Guenther <rguenther@suse.de>
12659 PR middle-end/27498
12660 * fold-const.c (fold_read_from_constant_string): Relax check
12661 for matching types to matching modes.
12663 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12665 PR rtl-optimization/27335
12666 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12669 2006-05-08 Chao-ying Fu <fu@mips.com>
12670 Richard Sandiford <richard@codesourcery.com>
12672 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12673 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12674 * config/mips/mips.md (UNSPEC_SCC): New constant.
12675 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12676 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12677 (mips_emit_compare): Use it.
12678 (mips_expand_vcondv2sf): New function.
12680 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12682 Fix PR tree-optimization/27093
12683 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12684 renaming when they become not-used_alone.
12686 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12688 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12689 relocation and relocation stubs.
12691 2006-05-08 Eric Christopher <echristo@apple.com>
12693 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12696 2006-05-08 Jan Hubicka <jh@suse.cz>
12698 PR middle-end/24561
12699 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12700 unused static functions are needed.
12702 2006-05-08 Roger Sayle <roger@eyesopen.com>
12705 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12706 of a reg_equiv_constant if the result is a legitimate constant.
12708 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12711 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12712 standard 80387 constants, raise the cost to prevent
12713 compress_float_constant() to generate load from memory.
12715 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12717 * config/arm/constraints.md (c): Fix a typo.
12719 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12722 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12725 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12727 (_mm_mwait): Likewise.
12729 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12731 (sse3_monitor): Make it 32bit only.
12732 (sse3_monitor64): New. 64bit monitor.
12734 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12737 * config/i386/i386.c (classify_argument): Skip fields with invalid
12740 2006-05-07 Richard Guenther <rguenther@suse.de>
12742 PR tree-optimization/27409
12743 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12744 Do not try to find zero-sized subvars.
12746 2006-05-07 Richard Guenther <rguenther@suse.de>
12748 PR tree-optimization/27136
12749 * tree-ssa-loop-niter.c (get_val_for): Correct function
12750 comment, assert requirements.
12751 (loop_niter_by_eval): Stop processing if the iterated
12752 value did not simplify.
12754 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12756 * opts.c (flag_see): remove its setting at -O3.
12758 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12760 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12761 * arm/constraints.md: New file.
12762 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12763 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12764 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12765 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12766 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12767 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12768 * arm.md: Include constraints.md.
12769 (thumb_movsi_insn): Use satisfies_constraint_J.
12770 (movhi, movqi): Use satisfies_constraint_I.
12772 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12774 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12775 for atmeg a645 device.
12777 2006-05-06 Richard Guenther <rguenther@suse.de>
12779 PR tree-optimization/27151
12780 * tree-vect-transform.c (vectorizable_condition): Punt on
12781 values that have a different type than the condition.
12783 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12786 * c-parser.c (c_parser_cast_expression): Only insert casts into
12787 hash table if pointer.
12788 * function.c (used_types_insert_helper): Rename from
12790 (used_types_insert): Call used_types_insert_helper.
12791 * function.h (used_types_insert): Accept only one argument.
12793 2006-05-05 David Edelsohn <edesohn@gnu.org>
12795 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12796 scratch with output modifier.
12798 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12801 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12802 with output modifier.
12804 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12807 * config/mips/mips.c (mips_symbolic_address_p): Return true
12808 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12809 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12811 2006-05-04 Richard Guenther <rguenther@suse.de>
12813 PR tree-optimization/14287
12814 PR tree-optimization/14844
12815 PR tree-optimization/19792
12816 PR tree-optimization/21608
12817 PR tree-optimization/27090
12818 * tree-ssa-pre.c (try_combine_conversion): New function.
12819 (compute_avail): After constructing the value-handle
12820 expression, use try_combine_conversion to combine NOP_EXPRs
12821 with previous value-handle expressions and use the result if it
12824 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12826 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12828 2006-05-04 Jan Hubicka <jh@suse.cz>
12830 PR middle-end/25962
12831 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12833 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12835 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12836 that this only matches CONST_INTs. All users changed to VOIDmode
12839 * config/bfin/bfin.c: Include "optabs.h".
12840 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12842 (enum bfin_builtins): Add a number of fractional and vector builtins.
12843 (bfin_init_builtins): Likewise.
12844 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12845 (safe_vector_operand, bfin_expand_binop_builtin,
12846 bfin_expand_unop_builtin): New functions.
12847 (bfin_expand_builtin): Handle the new builtins.
12848 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12851 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12854 * Makefile.in (OBJS-common): Add see.o.
12855 (see.o): Add dependencies.
12856 * common.opt (fsee): New flag for the see optimization was added.
12857 * opts.c (flag_see): Initialized.
12858 * passes.c (init_optimization_passes, pass_see): New pass.
12859 * rtl.h (see_main): Declaration as extern.
12860 * timevar.def (TV_SEE): New.
12861 * tree-pass.h (pass_see): Declaration as extern.
12862 * invoke.texi (-fsee): Document.
12863 * recog.c (validate_simplify_insn): New function.
12864 * recog.h (validate_simplify_insn): Declaration as extern.
12865 * df-problems.c (df_chain_dump): Check for NULL.
12867 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12868 Daniel Berlin <dberlin@dberlin.org>
12870 * cfgrtl.c (insert_insn_bb_end_new): New function.
12871 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12873 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12875 * df.h (struct web_entry): Moved from web.c.
12876 (union_defs): Declaration as extern.
12877 (unionfind_root): Likewise.
12878 (unionfind_union): Likewise.
12879 * web.c (struct web_entry): Moved to df.h.
12880 (unionfind_root): Remove static declaration.
12881 (unionfind_union): Likewise.
12882 (union_defs): Likewise and generalize to use callback function.
12883 (web_main): Update arguments for union_defs function call.
12885 2006-05-04 Richard Guenther <rguenther@suse.de>
12887 PR tree-optimization/26447
12888 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12889 produce SSA_NAME copies before the store stmt to avoid
12890 breaking exception handling.
12892 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12894 PR middle-end/27388
12895 * gimplify.c (omp_is_private): If var is shared in some outer context,
12896 return false instead of true. Stop searching on parallel context
12899 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12902 * coverage.c: Use get_gcov_unsigned_t() instead of
12903 unsigned_type_node all over.
12905 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12907 PR tree-optimization/27381
12908 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12909 maintain the same immediate_use links.
12910 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12911 node rather than segfaulting.
12913 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12916 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12917 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12918 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12920 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12922 Fix PR tree-optimization/26626
12923 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12925 * tree-ssa-operands.c (access_can_touch_variable): Allow
12926 typecasting through union pointers.
12928 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12931 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12932 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12933 to find if var will be a global variable even in the nested context.
12934 (omp_copy_decl): Only check for global variable at the end, it might
12935 be overridden in outer contexts.
12936 (scan_sharing_clauses): For global variables don't create a field.
12937 (lower_rec_input_clauses): Do nothing for global shared variables.
12938 Emit a barrier at the end of ILIST if there were any decls in both
12939 firstprivate and lastprivate clauses.
12940 (lower_send_clauses): Do nothing for global variables except for
12943 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12945 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12946 of the correct signedness is returned.
12948 2006-05-02 Jeff Law <law@redhat.com>
12950 PR tree-optimization/27364
12951 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12952 multiply expressions.
12954 2006-05-02 Tom Tromey <tromey@redhat.com>
12956 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12958 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12961 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12962 -mthumb -fPIC are used.
12964 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12965 Joshua Kinard <kumba@gentoo.org>
12968 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12969 with 64-bit pointers.
12971 2006-05-02 Paul Brook <paul@codesourcery.com>
12973 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12975 (create_fix_barrier): Check that a suitable barrier location is
12977 (arm_reorg): Include ftmp->address in allowable range of addresses.
12979 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12982 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12985 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12987 PR middle-end/27337
12988 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12989 around RESULT_DECL for result passed by reference.
12990 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12991 * omp-low.c (use_pointer_for_field): Don't look at
12992 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12993 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12994 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12995 time or var for passing by reference for
12996 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12997 TREE_ADDRESSABLE variables when passing by reference.
12999 * omp-low.c (dump_omp_region): Fix output formatting.
13001 PR middle-end/27328
13002 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13003 (expand_omp_parallel): Likewise.
13004 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13006 PR middle-end/27325
13007 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13008 on statement list containing also constructors and destructors.
13009 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13011 PR middle-end/27310
13012 * except.c (duplicate_eh_regions): Fix clearing of
13013 cfun->eh->region_array entries.
13015 2006-05-01 DJ Delorie <dj@redhat.com>
13017 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13019 (gcc_cv_objdump): Likewise.
13020 * configure: Regenerated.
13022 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13025 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13026 templates for case 3 and 4.
13028 2006-05-01 DJ Delorie <dj@redhat.com>
13030 * vec.c: Include bconfig.h when appropriate.
13031 * Makefile.in (build/vec.o): Adjust dependencies.
13032 * mkconfig.sh: Make sure config.h isn't used for build machine
13035 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13037 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13039 (mark_phi_for_rewrite): New function.
13040 (insert_phi_nodes_for, mark_use_interesting): Call
13041 mark_phi_for_rewrite.
13042 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13043 (update_ssa): Initialize and free phis_to_rewrite.
13045 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13047 PR rtl-optimization/27291
13048 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13049 folded to a constant.
13051 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13053 PR tree-optimization/27283
13054 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13055 not whole # of iteration descriptions.
13056 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13057 uses abnormal ssa name.
13058 (niter_for_single_dom_exit): Ditto.
13059 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13060 return just the number of iterations.
13062 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13064 PR tree-optimization/27144
13065 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13066 (record_estimate): Only record constant upper bound.
13067 (infer_loop_bounds_from_undefined): Call
13068 compute_estimated_nb_iterations just once.
13069 (proved_non_wrapping_p): Renamed to ...
13070 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13071 (convert_step_widening, scev_probably_wraps_p): Call
13072 n_of_executions_at_most instead of proved_non_wrapping_p.
13073 (substitute_in_loop_info): Do not replace values in bounds.
13074 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13077 2006-05-01 Richard Henderson <rth@redhat.com>
13080 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13081 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13084 2006-05-01 Roger Sayle <roger@eyesopen.com>
13086 * c-typeck.c (parser_build_binary_op): Don't call the function
13087 unsigned_conversion_warning to spot operand/result type overflow.
13088 (build_binary_op): Instead, call convert_and_check instead of
13089 convert to report the problem when the operands are promoted.
13090 * c-common.c (unsigned_conversion_warning): Make static.
13091 * c-common.h (unsigned_conversion_warning): Delete prototype.
13093 2006-05-01 Richard Guenther <rguenther@suse.de>
13095 PR tree-optimization/26726
13096 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13098 (find_interesting_uses_address): ... we work around here
13099 by folding INDIRECT_REFs in the substituted base.
13101 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13103 * omp-low.c (dump_omp_region): Add newlines.
13105 2006-04-30 Roger Sayle <roger@eyesopen.com>
13107 * common.opt (Woverflow): New command line option.
13108 * c-common.c (constant_expression_warning): Check warn_overflow.
13109 (overflow_waring): Pass OPT_Woverflow to warning.
13110 (unsigned_conversion_warning): Likewise.
13111 (convert_and_check): Likewise.
13112 * doc/invoke.texi: Document new command line option.
13114 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13116 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13117 TARGET_NO_FP_IN_TOC for section anchors.
13118 (optimization_options): Enable section anchors for all
13119 non-"Objective" languages.
13121 2006-04-28 Eric Christopher <echristo@apple.com>
13123 * config/darwin-c.c (darwin_ms_struct): Move this
13124 (darwin_set_default_type_attributes): and this...
13125 * config/darwin.c: ... here.
13126 * config/darwin.h (darwin_ms_struct): Declare.
13128 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13130 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13132 2006-04-28 Roger Sayle <roger@eyesopen.com>
13135 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13136 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13137 an unsigned HOST_WIDE_INT.
13138 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13140 (really_start_incremental_init): No need to call convert because
13141 bitsize_zero_node is already of type bitsizetype.
13142 (push_init_level): Extract the value of constructor_index as an
13143 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13144 (process_init_element): Likewise.
13146 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13148 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13149 value before passing to make_relative_prefix.
13151 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13153 PR middle-end/27260
13154 * builtins.c (expand_builtin_memset): Expand val in original mode.
13156 2006-04-27 Eric Christopher <echristo@apple.com>
13158 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13159 with #ifndef/#endif.
13160 * config/darwin-c.c (darwin_ms_struct): New.
13161 (darwin_pragma_ms_struct): Ditto.
13162 (darwin_set_default_type_attributes): Ditto.
13163 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13164 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13165 Register ms_struct pragma.
13166 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13167 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13168 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13169 darwin_set_default_type_attributes if TARGET_MACHO.
13171 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13173 PR tree-optimization/26854
13174 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13175 * doc/tree-ssa.texi: Update immuse iterator documentation.
13176 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13177 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13178 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13179 first_safe_imm_use, next_safe_imm_use): Remove.
13180 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13181 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13182 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13183 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13184 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13185 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13186 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13187 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13188 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13189 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13190 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13191 (perfect_nestify): Use new iterator.
13192 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13194 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13195 (next_imm_name): New field in struct immediate_use_iterator_d.
13196 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13197 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13198 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13199 * tree-cfg.c (replace_uses_by): Use new iterator.
13200 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13201 * tree-ssa-operands.c (correct_use_link): Remove.
13202 (finalize_ssa_use_ops): No longer call correct_use_link.
13204 2006-04-27 Stuart Hastings <stuart@apple.com>
13206 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13207 * config/t-darwin (crt3.o): Use it.
13208 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13209 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13210 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13211 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13212 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13215 2006-04-27 Roger Sayle <roger@eyesopen.com>
13217 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13218 size, force the intermediate into a new pseudo rather instead of
13219 performing both a bitwise AND and a bitwise IOR in memory.
13221 2006-04-27 Richard Guenther <rguenther@suse.de>
13223 PR rtl-optimization/26685
13224 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13225 this one "max-flow-memory-locations".
13227 2006-04-27 Richard Guenther <rguenther@suse.de>
13229 PR tree-optimization/25148
13230 * tree-vrp.c (compare_values): Remove code dealing with
13231 comparisons against type min/max value. Honour overflow
13232 and negative constants in code dealing with comparisons
13233 of plus and minus expressions.
13234 (value_inside_range): Use fold_binary with LE_EXPR and
13235 GE_EXPR rather than compare_values.
13237 2006-04-27 Dirk Mueller <dmueller@suse.de>
13239 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13242 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13244 * basic-block.h (safe_insert_insn_on_edge): Removed.
13245 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13247 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13248 Paolo Bonzini <bonzini@gnu.org>
13250 PR middle-end/27282
13251 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13252 (simplify_and_const_int): Same.
13254 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13256 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13258 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13261 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13262 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13263 cgraph_global_info_ready.
13265 PR middle-end/26913
13266 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13269 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13270 either decl or init is error_mark_node.
13272 PR middle-end/25989
13273 * tree-flow.h (struct omp_region): Add sched_kind.
13274 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13275 instead of extracting omp for data.
13276 (expand_omp_for): Save extracted sched_kind.
13278 2006-04-25 Roger Sayle <roger@eyesopen.com>
13280 * expmed.c (store_bit_field): Also check whether the bitsize is
13281 valid for the machine's "insv" instruction before moving the
13282 target into a pseudo for use with the insv.
13283 * config/i386/predicates.md (const8_operand): New predicate.
13284 * config/i386/i386.md (extv, extzv, insv): Use the new
13285 const8_operand predicate where appropriate.
13287 2006-04-25 DJ Delorie <dj@redhat.com>
13289 * doc/install.texi (Specific): Clarify that this is not a list of
13290 supported hosts or targets.
13292 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13294 PR rtl-optimization/26725
13295 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13296 block's BB_DIRTY flag.
13298 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13300 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13303 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13304 to print an integer.
13306 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13308 * varasm.c (align_variable): New function.
13309 (get_block_for_decl): Apply align_variable to DECL before
13310 calculating section information.
13311 (assemble_variable): Split out alignment computation.
13313 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13315 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13318 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13320 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13321 MODE_PARTIAL_INT mode.
13322 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13323 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13325 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13326 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13328 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13330 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13332 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13333 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13334 MACFLAG_IH): Likewise.
13335 (movstricthi_1): Renamed from "*movstricthi".
13336 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13337 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13338 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13339 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13340 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13341 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13342 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13343 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13344 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13345 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13346 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13347 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13348 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13349 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13350 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13352 * doc/rtl.texi (ss_ashift): Improve wording.
13354 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13356 * dwarf2out.c (verify_marks_clear): New.
13357 (prune_unused_types): Call verify_marks_clear initially, not
13360 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13362 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13363 * doc/rtl.texi: Document them.
13364 * simplify-rtx.c (simplify_unary_operation,
13365 simplify_binary_operation_1): Don't abort when we see them.
13367 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13370 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13371 * configure.ac: Completely disregard languages that are not
13373 * configure: Regenerated.
13375 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13376 Richard Guenther <rguenther@suse.de>
13378 PR tree-optimization/27236
13379 * tree-inline.c (copy_body_r): Make sure to copy
13380 TREE_THIS_VOLATILE flag.
13382 2006-04-24 Richard Guenther <rguenther@suse.de>
13384 PR middle-end/26869
13385 * tree-complex.c (update_parameter_components): Don't handle
13386 unused parameters which have no default def.
13388 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13389 Richard Guenther <rguenther@suse.de>
13391 PR tree-optimization/27218
13392 * tree-inline.c (expand_call_inline): Strip useless type
13393 conversions for the return slot address.
13395 2006-04-24 Richard Guenther <rguenther@suse.de>
13397 * cfgloop.h (struct loops): Remove unused field array. Reorder
13399 (LOOP_PREFETCH): Remove.
13401 2006-04-24 Richard Guenther <rguenther@suse.de>
13403 PR tree-optimization/22525
13404 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13405 variable, adjust types of generated expressions.
13407 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13409 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13410 (tree-vect-patterns.o): Likewise.
13411 (jump.o): Likewise.
13412 (cselib.o): Likewise.
13413 (loop-doloop.o): Likewise.
13414 (regclass.o): Likewise.
13415 (reload1.o): Likewise.
13416 (explow.o): Replace target.h with $(TARGET_H).
13417 (ipa-prop.o): Likewise.
13418 (ipa-cp.o): Likewise.
13419 (ipa-inline.o): Likewise.
13420 (reorg.o): Likewise.
13421 (reg-stack.o): Likewise.
13423 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13425 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13427 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13429 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13431 * configure.ac: Completely disregard languages that are not
13433 * configure: Regenerated.
13436 * c-common.h (c_build_bitfield_integer_type): Declare.
13437 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13438 * c-common.c (c_build_bitfield_integer_type): ... here.
13440 2006-04-23 Roger Sayle <roger@eyesopen.com>
13443 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13444 a SImode SUBREG of a floating point register after no_new_pseudos.
13446 2006-04-23 Roger Sayle <roger@eyesopen.com>
13448 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13449 identify potentially eliminable registers to additionally catch
13450 VIRTUAL_INCOMING_ARGS_REGNUM.
13451 (addsi3): Update the conditions on when to use addsi_small_int.
13453 2006-04-23 Roger Sayle <roger@eyesopen.com>
13456 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13457 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13458 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13460 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13462 * fold-const.c (range_predecessor): Use operand_equal_p
13463 as the predicate for equality.
13464 (range_successor): Likewise.
13466 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13469 * config/soft-fp/op-common.h: Fix a typo.
13471 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13473 PR libmudflap/26864
13474 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13475 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13477 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13479 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13481 * doc/tm.texi: Fix a typo.
13483 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13485 * dwarf2out.c (struct die_struct): Document that die_sib makes
13486 a circular linked list.
13487 (FOR_EACH_CHILD): New.
13488 (reverse_die_lists): Delete.
13489 (reverse_all_dies): Delete.
13490 (add_dwarf_attr): Correct documentation.
13491 (remove_child_with_prev): New.
13492 (remove_child_TAG): Update for change to die_struct, use
13493 remove_child_with_prev.
13494 (add_child_die): Update for change to die_struct.
13495 (splice_child_die): Use remove_child_with_prev and add_child_die.
13496 (print_die): Use FOR_EACH_CHILD.
13497 (die_checksum): Likewise.
13498 (assign_symbol_names): Likewise.
13499 (output_location_lists): Likewise.
13500 (build_abbrev_table): Likewise.
13501 (calc_die_sizes): Likewise.
13502 (mark_dies): Likewise.
13503 (unmark_dies): Likewise.
13504 (unmark_all_dies): Likewise.
13505 (output_die): Likewise.
13506 (prune_unused_types_mark): Likewise.
13507 (prune_unused_types_walk): Likewise.
13508 (same_die_p): Update for change to die_struct.
13509 (break_out_includes): Likewise.
13510 (prune_unused_types_prune): Likewise.
13511 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13512 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13513 it's already clear.
13514 (dwarf2out_finish): Don't call reverse_all_dies.
13516 2006-04-21 Eric Christopher <echristo@apple.com>
13518 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13519 in comments and function names.
13521 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13524 * c-typeck.c (digest_init): Robustify.
13526 * c-typeck.c (pop_init_level): Simplify.
13528 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13530 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13532 2006-04-21 Paul Brook <paul@codesourcery.com>
13534 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13535 hardware floating point.
13537 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13539 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13542 2006-04-21 Nick Clifton <nickc@redhat.com>
13544 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13547 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13550 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13551 C++ lang type in traceback table for Objective-C++.
13553 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13555 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13557 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13559 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13562 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13563 were errors. Remove check for erroneous objects.
13565 2006-04-20 Jeff Law <law@redhat.com>
13567 PR tree-optimization/26854
13568 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13569 checking for zero or one use.
13570 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13571 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13572 * tree-ssa-reassoc.c (negate_value): Similarly.
13573 (reassociate_bb): Similarly.
13575 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13578 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13579 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13580 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13582 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13584 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13585 fp regs if the last fp arg doesn't fit in regs.
13587 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13590 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13591 that the last insn has the REG_INC note.
13593 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13594 Nathan Sidwell <nathan@codesourcery.com>
13597 * stor-layout.c (update_alignment_for_field): Do not align
13599 (place_union_field): Place union field at the start of the union.
13600 (place_field): Move ERROR_MARK check later, and use the current
13601 allocation position to maintain monotonicity.
13603 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13605 * dominance.c: Include timevar.h.
13606 (calculate_dominance_info): Use TV_DOMINANCE.
13607 * timevar.def (TV_DOMINANCE): New timevar.
13608 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13610 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13612 PR rtl-optimization/14261
13613 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13614 move would be an INSV insn.
13615 (noce_process_if_block): Don't optimize if the destination is a
13616 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13618 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13620 * config/s390/s390.md: Add comments with the instructions emitted
13621 by an insn pattern if macros are used.
13623 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13625 PR rtl-optimization/26026
13626 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13627 is a known power of two shifted left a variable amount.
13629 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13631 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13632 to hash table twice when the debug_str section has SECTION_MERGE.
13634 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13636 * config/soft-fp: New directory. From glibc.
13637 * config/soft-fp/t-softfp: New.
13638 * config/soft-fp/README: New.
13639 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13640 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13641 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13642 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13643 * config.gcc: Use rs6000/t-fprules-fpbit or
13644 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13646 * config/rs6000/sfp-machine.h: New. Based on glibc.
13647 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13649 * config/rs6000/t-fprules: Remove fp-bit rules.
13650 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13651 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13652 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13653 (softfp_wrap_start, softfp_wrap_end): New.
13655 2006-04-18 DJ Delorie <dj@redhat.com>
13657 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13659 2006-04-18 Devang Patel <dpatel@apple.com>
13661 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13663 2006-04-18 Nick Clifton <nickc@redhat.com>
13665 * config/sh/t-symbian: Add rule to build sh-c.o
13666 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13667 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13668 (sh_symbian_encode_section_info): Likewise.
13670 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13672 * builtins.c (expand_builtin_strcmp): Cover label definition of
13673 do_libcall with HAVE_cmpstrnsi.
13675 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13677 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13679 * function.h (temp_slot_p): New.
13680 (function): Change the type of x_used_temp_slots to
13681 VEC(temp_slot_p,gc) *.
13683 2006-04-18 Nick Clifton <nickc@redhat.com>
13685 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13686 flag_strength_reduce.
13688 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13690 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13694 Partial revert of revision 112637
13695 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13696 Dale Johannesen <dalej@apple.com>
13699 * regclass.c (struct reg_pref): Update documentation.
13700 (regclass): Set prefclass to NO_REGS if memory is the best option.
13701 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13703 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13705 PR tree-optimization/26821
13706 * tree-ssa-math-opts.c (get_constant_one): New.
13707 (insert_reciprocals): Use it.
13709 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13711 * dwarf2out.c (free_AT): Delete.
13712 (remove_AT): Update string ref counts.
13713 (remove_child_TAG): Don't call free_die.
13714 (free_die): Delete.
13715 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13716 or DW_TAG_GNU_EINCL.
13717 (prune_unused_types_walk_attribs): Reset string refcounts.
13718 (prune_unused_types_update_strings): New.
13719 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13720 call free_die. Do call prune_unused_types_update_strings.
13721 (prune_unused_types): Empty debug_str_hash.
13723 2006-04-17 Roger Sayle <roger@eyesopen.com>
13725 * expr.c (expand_assignment): Optimize away no-op moves where the
13726 source and destination are equal and have no side-effects.
13728 2006-04-17 Richard Guenther <rguenther@suse.de>
13731 * reload.c (push_reload): Guard calls to get_secondary_mem
13732 for memory subregs.
13734 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13736 * alias.c (reg_base_value, old_reg_base_value): Change the
13737 type to VEC(rtx,gc) *.
13738 (REG_BASE_VALUE, find_base_value, record_set,
13739 init_alias_analysis): Use VEC instead of VARRAY.
13741 * alias.c (alias_sets): Change the type to
13742 VEC(alias_set_entry,gc) *.
13743 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13744 VEC instead of VARRAY.
13745 (last_alias_set): Remove.
13747 * cgraph.h (cgraph_edge_p): New.
13748 Update the prototype of cgraph_function_versioning.
13749 * cgraphunit.c (cgraph_copy_node_for_versioning,
13750 cgraph_function_versioning): Use VEC instead of VARRAY.
13751 * ipa-cp.c (ipcp_insert_stage): Likewise.
13753 2006-04-16 Roger Sayle <roger@eyesopen.com>
13756 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13757 "A op B" or "A op C", we may need to convert A to the type of B and C.
13759 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13761 * target.h (struct gcc_target): Add mode_rep_extended.
13762 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13763 (init_num_sign_bit_copies_in_rep): Initialize it using
13765 (truncate_to_mode): Use it.
13766 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13767 * targhooks.h (default_mode_rep_extended): Declare it.
13768 * targhooks.c (default_mode_rep_extended): Define it.
13769 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13770 default_mode_rep_extended.
13771 (TARGET_INITIALIZER): Include it.
13772 * doc/tm.texi (Misc): Document it.
13773 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13774 (mips_truncated_to_mode): New function.
13776 2006-04-16 Roger Sayle <roger@eyesopen.com>
13778 PR middle-end/25474
13779 * expr.c (compress_float_constant): Copy the narrow constant into
13780 a new pseudo before extending it to its final width.
13782 2006-04-16 Roger Sayle <roger@eyesopen.com>
13783 Andrew Pinski <pinskia@gcc.gnu.org>
13784 Dale Johannesen <dalej@apple.com>
13787 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13788 special case code to implement V8HImode and V16QImode with SSE2.
13790 2006-04-15 Roger Sayle <roger@eyesopen.com>
13792 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13793 trees are constructed with a suitable tree type.
13795 2006-04-15 Roger Sayle <roger@eyesopen.com>
13797 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13798 (integer_onep): Likewise.
13799 (integer_all_onesp): Likewise.
13800 (integer_pow2p): Likewise.
13801 (integer_nonzerop): Likewise.
13802 (real_zerop): Likewise.
13803 (real_onep): Likewise.
13804 (real_twop): Likewise.
13805 (real_minus_onep): Likewise.
13806 (int_size_in_bytes): Likewise.
13807 (host_integerp): Likewise.
13809 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13811 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13812 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13813 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13815 * tree-ssa-structalias.h (alias_info): Remove num_references.
13817 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13819 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13820 (output_bvb patterns): Likewise.
13821 * pa.c (output_bb): Use 'bb' insn for long branch case.
13822 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13823 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13824 1. Correct length operand for alternatives 1 and 2.
13825 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13826 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13828 2006-04-14 Roger Sayle <roger@eyesopen.com>
13830 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13831 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13832 were accidentally reverted by r112959.
13834 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13836 PR middle-end/26823
13837 * except.h (eh_region_outermost): New prototype.
13838 * except.c (eh_region_outermost): New function.
13839 * tree-cfg.c (find_outermost_region_in_block): Use it.
13841 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13843 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13845 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13846 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13847 (init_reload, reload): Use VEC instead of VARRAY.
13848 * reload.h: Update the prototype for
13849 reg_equiv_memory_loc_varray.
13851 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13852 Eric Botcazou <ebotcazou@libertysurf.fr>
13854 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13855 register save area.
13857 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13859 PR middle-end/27134
13860 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13861 to expand fallback builtin function call.
13863 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13865 PR middle-end/27095
13866 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13867 and emit libcall here in case the builtin fails.
13868 (expand_builtin_strcmp): Always emit the libcall here on failure.
13870 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13872 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13873 * flow.c (reg_n_info): Change the type to
13874 VEC(reg_info_p,heap) *.
13875 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13877 * regs.h (reg_info_p): New.
13878 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13879 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13880 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13883 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13885 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13887 * params.h (MAX_SCHED_READY_INSNS): New macro.
13888 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13889 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13890 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13891 the ready list for 1 cycle during the first scheduling pass.
13892 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13894 2006-04-13 Richard Henderson <rth@redhat.com>
13897 * gimple-low.c (lower_omp_directive): Remove dead code.
13898 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13899 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13900 * omp-low.c (struct omp_region): Move to tree-flow.h.
13901 (root_omp_region): Export.
13902 (omp_regions, lookup_omp_region): Remove.
13903 (determine_parallel_type): Update for struct omp_region changes.
13904 (dump_omp_region): Dump regions with block numbers.
13905 (new_omp_region): Take type and block instead of stmt; malloc
13907 (free_omp_region_1, free_omp_regions): New.
13908 (expand_parallel_call): Take entry_stmt as argument; update for
13909 changes to omp_region.
13910 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13911 (remove_exit_barriers): New.
13912 (expand_omp_parallel): Update for struct omp_region changes.
13913 (expand_omp_synch): Likewise.
13914 (expand_omp): Likewise.
13915 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13916 (expand_omp_for_static_chunk): Likewise.
13917 (expand_omp_for): Likewise.
13918 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13919 (expand_omp_sections): Similarly, with GOMP_sections_end.
13920 (expand_omp_single): New.
13921 (build_omp_regions_1): Update for OMP_CONTINUE.
13922 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13923 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13924 OMP_SECTIONS_SECTIONS.
13925 (lower_omp_single_simple): Don't emit barrier here.
13926 (lower_omp_single_copy): Likewise.
13927 (lower_omp_single): Fix bindings, and lower to straightline now.
13928 (lower_omp_master, lower_omp_ordered): Likewise.
13929 (lower_omp_critical): Likewise.
13930 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13931 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13932 omp edges, free it afterward.
13933 (make_omp_sections_edges): Remove.
13934 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13935 (move_stmt_r): Handle OMP_CONTINUE.
13936 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13937 statement pointers to basic blocks. Add type member.
13938 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13939 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13940 * tree-inline.c (estimate_num_insns_1): Likewise.
13941 * tree-pretty-print.c (dump_generic_node): Likewise.
13942 * tree-ssa-operands.c (get_expr_operands): Likewise.
13943 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13944 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13945 (OMP_CONTINUE): New.
13946 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13947 (OMP_SECTIONS_SECTIONS): Remove.
13948 (OMP_SECTION_LAST): New.
13949 (OMP_RETURN_NOWAIT): New.
13951 2006-04-13 Roger Sayle <roger@eyesopen.com>
13953 * fold-const.c (native_encode_vector, native_interpret_real):
13954 Correct obvious mistakes in the previous check-in.
13956 2006-04-13 Roger Sayle <roger@eyesopen.com>
13958 * fold-const.c (native_encode_expr): New function to encode
13959 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13960 or VECTOR_CST into a specified buffer.
13961 (native_encode_int): New function.
13962 (native_encode_real): New function.
13963 (native_encode_complex): New function.
13964 (native_encode_vector): New function.
13965 (native_interpret_expr): Inverse of native_encode_expr to convert
13966 a target representation into an INTEGER_CST, REAL_CST etc...
13967 (native_interpret_int): New function.
13968 (native_interpret_real): New function.
13969 (native_interpret_complex): New function.
13970 (native_interpret_vector): New function.
13971 (fold_view_convert_expr): New function to constant fold/evaluate
13972 a VIEW_CONVERT_EXPR of a suitable constant expression.
13973 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13974 Change call of build1 to fold_build1 when constructing a
13977 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13978 Ulrich Weigand <uweigand@de.ibm.com>
13981 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13984 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13987 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13988 optimize to lo_sum for DFmode if !TARGET_FPRS.
13990 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13992 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13993 delete_alias_info, compute_flow_sensitive_aliasing,
13994 group_aliases): Use VEC instead of VARRAY.
13995 * tree-ssa-structalias.c (update_alias_info): Likewise.
13996 * tree-ssa-structalias.h (alias_info): Change the type of
13997 processed_ptrs to VEC(tree,heap) *.
13999 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14002 * config/sh/lib1funcs.h: New file, broken out of:
14003 * config/sh/lib1funcs.asm.
14004 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14006 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14007 * config/sh/lib1funcs-Os-4-200.asm: New file.
14008 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14009 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14010 (EXTRA_MULTILIB_PARTS): Include it.
14011 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14012 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14013 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14014 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14017 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14019 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14020 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14021 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14023 * tree-ssa-live.h: Include vecprim.h.
14024 (tree_partition_associator_d): Change the type of
14025 first_partition to VEC(int,heap) *.
14026 (tpa_first_partition): Use VEC instead of VARRAY.
14028 * Makefile.in (GTFILES): Move functions.h after tree.h.
14029 * function.c (reset_block_changes, record_block_change,
14030 check_block_change, free_block_changes): Use VEC instead of
14032 * function.h (function): Change the type of
14033 ib_boundaries_block to VEC(tree,gc) *.
14034 * tree-inline.c (copy_cfg_body): Initialize
14035 ib_boundaries_block to NULL instead of (varray_type) 0.
14037 2006-04-12 Roger Sayle <roger@eyesopen.com>
14039 * expr.c (emit_group_store): Correct operand order in call to
14040 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14041 a SUBREG_BYTE of zero.
14043 2006-04-12 Richard Guenther <rguenther@suse.de>
14045 * profile.c (compute_branch_probabilities): Remove code
14046 encapsulated in !ir_type (), which are remanents of the
14047 removed RTL profiling code.
14048 * rtl-profile.c: Remove.
14050 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14052 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14053 magic NULL_RTX comment.
14054 (function_arg): Store entire fp arg to mem if any part should go
14056 (rs6000_arg_partial_bytes): Adjust for above change.
14058 2006-04-11 Roger Sayle <roger@eyesopen.com>
14060 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14061 if it hasn't been initialized by dwarf2out_init.
14063 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14065 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14066 symbolic constants in branch patterns.
14068 2006-04-11 Roger Sayle <roger@eyesopen.com>
14070 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14072 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14074 PR rtl-optimization/27073
14075 * gcse.c (try_replace_reg): Revert last change. Continue to search
14076 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14079 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14081 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14082 aggregate types other than record and union types.
14083 (function_arg): Likewise.
14084 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14086 (function_value): In 64-bit mode, return objects that require it
14089 2006-04-11 Roger Sayle <roger@eyesopen.com>
14091 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14093 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14095 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14097 2006-04-03 Jeff Law <law@redhat.com>
14100 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14101 alias information too.
14103 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14105 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14107 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14110 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14111 (premark_used_types_helper): New.
14112 (premark_used_types): New.
14113 (gen_subprogram_die): Call premark_used_types.
14114 (prune_unused_types_walk): Do not prune perennial dies.
14115 * function.c (used_types_insert): New.
14116 * function.h (struct function): Add used_types_hash field.
14117 (used_types_insert): Add prototype.
14118 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14119 * c-parser.c (c_parser_cast_expression): Save casted types in used
14122 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14125 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14126 rs6000_explicit_options.float_gprs.
14128 2006-04-10 Roger Sayle <roger@eyesopen.com>
14130 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14131 from ix86_expand_vector_init_low_nonzero. Take an additional
14132 one_var argument indicating which element is non-zero. Support
14133 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14134 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14135 with one_var instead of ix86_expand_vector_init_low_nonzero.
14137 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14139 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14140 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14141 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14142 build/genextract.o): Depend on vecprim.h.
14143 * cfglayout.c, df-problems.c, function.c, genextract.c,
14144 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14145 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14149 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14151 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14152 Declare VECs of this type.
14153 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14154 (remove_children): Delete.
14155 (add_dwarf_attr): Use VEC routines.
14156 (add_AT_flag): Update for changes to add_dwarf_attr.
14157 (add_AT_int): Likewise.
14158 (add_AT_unsigned): Likewise.
14159 (add_AT_long_long): Likewise.
14160 (add_AT_vec): Likewise.
14161 (add_AT_string): Likewise.
14162 (add_AT_die_ref): Likewise.
14163 (add_AT_fde_ref): Likewise.
14164 (add_AT_loc): Likewise.
14165 (add_AT_loc_list): Likewise.
14166 (add_AT_addr): Likewise.
14167 (add_AT_lbl_id): Likewise.
14168 (add_AT_lineptr): Likewise.
14169 (add_AT_macptr): Likewise.
14170 (add_AT_offset): Likewise.
14171 (add_AT_range_list): Likewise.
14172 (get_AT): Use VEC_iterate.
14173 (remove_AT): Use VEC_ordered_remove.
14174 (free_die): Fold remove_children into here; have it use VEC_iterate.
14175 (print_die): Use VEC_iterate on attrs.
14176 (reverse_die_lists): Don't reverse attr lists.
14177 (die_checksum): Use VEC_iterate on attrs.
14178 (same_die_p): Likewise.
14179 (output_location_lists): Likewise.
14180 (build_abbrev_table): Likewise.
14181 (size_of_die): Likewise.
14182 (unmark_all_dies): Likewise.
14183 (output_abbrev_section): Likewise.
14184 (output_die): Likewise.
14185 (prune_unused_types_walk_attribs): Likewise.
14187 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14189 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14191 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14194 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14196 2006-04-09 Roger Sayle <roger@eyesopen.com>
14198 * expr.c (store_constructor): Don't bother clearing target if
14199 we're about to assign a vector to it using vec_init_optab.
14201 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14203 * tree-ssa-alias.c (lhs_may_store_to): New function.
14204 (recalculate_used_alone): Handle LHS of calls.
14206 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14210 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14211 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14212 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14213 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14214 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14215 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14216 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14217 stubs. Add ".align 8" directives before all ".dword" directives.
14218 (GTHREAD_USE_WEAK): Revise comment.
14219 (TARGET_ATTRIBUTE_WEAK): Define.
14220 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14221 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14222 * stublib.c: New file.
14227 * pa.md (cbranch patterns): Revise arguments used in calls to
14228 output_cbranch, output_bb and output_bvd. Add long branch length
14230 (fbranch patterns): Handle long branches.
14231 (jump): Revise length check. Revise arguments for output_lbranch call.
14232 Add long branch length attributes.
14233 (decrement_and_branch_until_zero): Add long branch length attributes.
14234 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14235 Likewise. Revise arguments for output_parallel_addb and
14236 output_parallel_movb calls.
14237 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14238 output_parallel_movb and output_parallel_addb): Update prototypes.
14239 * pa.c (output_cbranch): Revise arguments. Correct handling of
14240 nullification in long branches.
14241 (output_lbranch): Add new argument to control extraction of delay
14243 (output_bb): Handle long branches.
14244 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14245 output_parallel_addb): Likewise.
14247 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14249 PR rtl-optimization/27073
14250 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14253 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14255 * tree.h (tree_memory_tag): Add old_used_alone.
14256 (SMT_OLD_USED_ALONE): New macro.
14257 * tree-ssa-alias.c (recalculate_used_alone): Stop
14258 marking things for renaming unnecessarily.
14260 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14262 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14263 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14264 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14265 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14266 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14267 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14268 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14269 spelling convensions.
14270 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14271 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14272 typos. Follow spelling conventions.
14274 2006-04-07 DJ Delorie <dj@redhat.com>
14276 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14277 passed on the stack.
14278 (m32c_init_cumulative_args): When a function returns a structure,
14279 always pass the pointer to that return area on the stack.
14280 (m32c_function_arg_advance): Don't increment the parameter number
14281 if we're processing the returned structure pointer.
14282 (pushm_info): Reverse order of registers.
14284 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14286 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14287 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14288 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14289 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14290 build_int_cst_type.
14291 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14292 chrec_fold_multiply): Same.
14293 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14294 force_expr_to_var_cost): Same.
14295 * tree-mudflap.c (mf_xform_derefs_1): Same.
14296 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14298 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14300 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14301 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14304 2006-04-07 Jan Hubicka <jh@suse.cz>
14306 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14308 2006-04-07 Richard Guenther <rguenther@suse.de>
14310 PR tree-optimization/26135
14311 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14312 loads for store copy-prop.
14313 (copy_prop_visit_stmt): Likewise.
14315 2006-04-05 Robert Millan <robertmh@gnu.org>
14317 * config/i386/linux.h: Add a comment to mark macros that are
14318 being overriden in config/k*bsd-gnu.h.
14319 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14321 * config/knetbsd-gnu.h: Ditto.
14323 2006-04-06 Jan Hubicka <jh@suse.cz>
14327 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14330 2006-04-06 Mike Stump <mrs@apple.com>
14332 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14333 for HAVE_nonlocal_goto to be consistent.
14334 (expand_builtin_nonlocal_goto): Likewise.
14335 (expand_builtin_strcmp): Use #ifdef instead of #if
14336 for HAVE_cmpstrnsi to be consistent.
14338 2006-04-05 DJ Delorie <dj@redhat.com>
14340 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14343 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14345 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14346 got-relative addressing for anything but SImode.
14348 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14349 even if the calling function doesn't modify them.
14351 2006-04-05 Richard Guenther <rguenther@suse.de>
14353 PR tree-optimization/26919
14354 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14355 to cgraph_estimate_size_after_inlining.
14357 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14359 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14361 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14363 PR tree-optimization/26996
14364 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14365 VECTOR_TYPE variables.
14367 2006-04-05 Richard Guenther <rguenther@suse.de>
14369 PR tree-optimization/26763
14370 * fold-const.c (fold_comparison): Move folding of
14371 PTR + CST CMP PTR + CST ...
14372 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14374 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14376 * doc/install.texi (Prerequisites): Refine some wording on
14377 bootstrapping and ksh.
14378 Move the version numbers of DejaGnu here from the testing section
14379 and fix casing of names.
14380 Fix markup and clarify wording for autogen requirements.
14381 Refer to GCJ instead of just java.
14382 Refer to SVN instead of CVS.
14383 Describe diffutils as useful instead of necessary.
14384 (Downloading the source): Refer to SVN instead of CVS.
14385 Adjust a link to our web site accordingly.
14386 (Configuration): Fix casing of Bison.
14387 (Building): Refer to SVN instead of CVS.
14388 Fix a sentence on the use of Bison and remove duplicate (and
14389 incorrect) version number of Bison requirement.
14390 Remove one redundant list of packages needed for building.
14391 (Specific): Avoid reference to CVS.
14393 2006-04-04 Eric Christopher <echristo@apple.com>
14395 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14396 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14397 (rs6000_handle_struct_attribute): New.
14398 (rs6000_ms_bitfield_layout_p): Ditto.
14400 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14402 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14403 NULL for dso parameter to atexit_common.
14405 2006-04-04 Eric Christopher <echristo@apple.com>
14407 * config/i386/i386.c (machopic_output_stub): Output \t
14408 between instructions and operands.
14410 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14412 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14413 satisfies_constraint_[IL] to explicit tests on value.
14415 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14417 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14418 set_nb_iterations_in_loop): Use build_int_cst instead of
14419 build_int_cst_type.
14420 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14421 build_int_cst instead of convert.
14423 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14425 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14426 new value 2 for incoming.
14427 * function.c (expand_function_start): Call struct_value_rtx
14428 with incoming as 2.
14429 * config/sparc/sparc.md: Comment updated_return.
14430 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14431 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14432 struct return if sparc_std_struct_return and incoming is 2.
14433 (print_operand): Do not adjust return if
14434 sparc_std_struct_return.
14436 2006-04-04 Roger Sayle <roger@eyesopen.com>
14438 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14439 convert in the middle-end.
14440 * expr.c (store_expr, store_constructor, get_inner_reference,
14441 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14443 * tree.c (build_range_type): Likewise.
14445 2006-04-04 Tom Tromey <tromey@redhat.com>
14447 * doc/install.texi (Prerequisites): Mention jar.
14449 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14451 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14454 2006-04-04 Matthias Klose <doko@debian.org>
14456 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14460 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14463 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14465 * doc/extend.texi (Function Attributes): Rewrite visibility
14466 attribute documentation.
14467 * doc/invoke.texi (C++ Dialect Options): Rewrite
14468 -fvisibility-inlines-hidden documentation to describe something
14469 entirely different, although in practise compatible.
14470 (Code Gen Options): Warn about system headers in -fvisibility=
14473 * doc/extend.texi (Other Builtins): Document that
14474 __builtin_nan is a compile-time constant only when its argument
14477 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14479 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14480 trying to remove TRUNCATE check if all bits outside the new mode
14481 are identical to the sign bit.
14483 2006-04-03 Jeff Law <law@redhat.com>
14485 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14486 and operand scanning in some common cases.
14488 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14489 Dale Johannesen <dalej@apple.com>
14492 * regclass.c (struct reg_pref): Update documentation.
14493 (regclass): Set prefclass to NO_REGS if memory is the best option.
14494 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14495 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14496 into account. For non-registers, equate an empty preferred
14497 reload class to a `!' in the constraint; move the if clause to
14498 do so after those that reject the insn.
14499 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14501 (find_dummy_reload): Likewise.
14502 * doc/tm.texi (Register Classes): Document what it means
14503 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14504 * config/i386/i386.c (ix86_preferred_reload_class): Force
14505 using SSE registers (and return NO_REGS for floating-point
14506 constants) if math is done with SSE.
14507 (ix86_preferred_output_reload_class): New.
14508 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14509 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14510 * config/i386/i386.md: Remove # register preferences.
14512 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14515 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14516 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14517 the type of nb_iter.
14518 (instantiate_parameters_1): Convert the operands before calling
14519 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14520 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14522 2006-04-02 Roger Sayle <roger@eyesopen.com>
14524 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14525 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14526 instead of convert.
14527 * dojump.c (do_jump): Likewise.
14528 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14529 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14530 gimplify_boolean_expr): Likewise.
14531 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14532 * varasm.c (array_size_for_constructor): Likewise.
14533 * tree-object-size.c (compute_object_offset): Likewise.
14535 2006-04-02 Roger Sayle <roger@eyesopen.com>
14537 PR middle-end/26977
14538 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14539 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14541 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14543 PR tree-optimization/26939
14544 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14546 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14548 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14549 at_stmt. Convert the type of operands before calling
14550 build_polynomial_chrec.
14551 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14552 add_to_evolution_1.
14553 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14554 (instantiate_parameters_1): Convert the type of operands before calling
14555 build_polynomial_chrec.
14556 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14557 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14558 reset_evolution_in_loop): Insert asserts to check the types of the
14560 (chrec_type): Moved...
14561 (eq_evolutions_p): Use operand_equal_p.
14562 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14563 the types of the operands.
14564 (chrec_type): ...here.
14565 * tree-data-ref.c (create_data_ref): Convert the operands before
14566 calling chrec_replace_initial_condition.
14567 (same_access_functions, analyze_subscript_affine_affine,
14568 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14569 (compute_subscript_distance, analyze_ziv_subscript,
14570 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14571 analyze_miv_subscript): Convert the operands before calling
14572 chrec_fold_minus or chrec_fold_plus.
14574 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14576 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14577 the dependence_relations vector.
14578 (compute_data_dependences_for_loop): Adjust call to
14579 compute_all_dependences.
14581 2006-04-01 Roger Sayle <roger@eyesopen.com>
14582 Richard Henderson <rth@redhat.com>
14584 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14585 gimple_boolify on the condition before calling gimplify_expr.
14587 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14589 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14590 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14591 the frame size. Update to use the new macros.
14592 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14593 * config/xtensa/ieee754-df.S: Likewise.
14595 2006-03-31 Richard Henderson <rth@redhat.com>
14597 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14598 (make_edges): ... here. Control fallthru creation with a local
14599 variable. Do not play with fake edges.
14600 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14601 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14604 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14606 * dwarf2.h (DW64_CIE_ID): Define.
14607 * dwarf2out.c (DWARF_CIE_ID): Define.
14608 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14609 length header. Use DWARF_CIE_ID.
14610 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14611 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14613 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14615 * config/sh/linux-atomic.asm: New file.
14616 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14618 2006-03-31 DJ Delorie <dj@redhat.com>
14620 * config/m32c/cond.md: Set condition flags properly throughout.
14621 * config/m32c/minmax.md: Likewise.
14622 * config/m32c/prologue.md: Likewise.
14623 * config/m32c/bitops.md: Likewise.
14624 * config/m32c/muldiv.md: Likewise.
14625 * config/m32c/mov.md: Likewise.
14626 * config/m32c/addsub.md: Likewise.
14627 * config/m32c/m32c.md: Likewise.
14628 * config/m32c/jump.md: Likewise.
14629 * config/m32c/shift.md: Likewise.
14631 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14632 conditionally output the pattern for this.
14633 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14634 (m32c_compare_redundant): New.
14635 (m32c_output_compare): New.
14636 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14638 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14639 dest, not src. Allow other 4-byte modes.
14641 2006-03-30 Denis Chertykov <denisc@overta.ru>
14643 * doc/md.texi: Refer to avr/constraints.md instead of
14646 2006-03-30 Roger Sayle <roger@eyesopen.com>
14648 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14649 signed vs. unsigned comparison failures on some hosts.
14651 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14654 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14655 change to FLOAT_REGS.
14657 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14658 (rs6000_override_options): Use it.
14659 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14660 only for -mabi=spe/no-spe and -mabi=altivec.
14662 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14664 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14667 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14669 * Makefile.in: Rename docdir to gcc_docdir.
14671 2006-03-30 Roger Sayle <roger@eyesopen.com>
14674 * expr.c (emit_group_store): Optimize group stores into a pseudo
14675 register by using a paradoxical subreg to initialize the destination
14676 if the first or last member of the group specifies a "low part".
14678 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14681 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14682 * target.h (struct gcc_target.speculate_insn): Change type of the
14683 second parameter to 'int'.
14684 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14685 the second operand of the DEPS_LIST.
14686 (copy_DEPS_LIST_list): Update reference to the second operand of the
14688 * rtl.h (alloc_DEPS_LIST): Update signature.
14689 * sched-int.h (ds_t): Change typedef to 'int'.
14690 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14692 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14694 * haifa-sched.c (try_ready): Change condition to restore
14695 non-speculative pattern of the instruction.
14696 (process_insn_depend_be_in_spec): Code to keep probability of the
14697 speculative dependence non-decreasing.
14699 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14701 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14702 (single_move_for_movmem): ... this. Also change all uses.
14703 (bfin_expand_strmov): Renamed to...
14704 (bfin_expand_movmem): ... this. Also change all uses.
14705 * config/bfin/bfin.md (movstrsi): Renamed to...
14706 (movstrsi): ...this.
14708 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14710 PR tree-optimization/26830
14712 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14713 (copy_prop_visit_stmt): Remove write-only variable ann.
14714 (init_copy_prop): Check variable loop depth here. Do not simulate
14715 memory-tag and virtual operand PHIs except for store copy prop.
14717 2006-03-30 Richard Guenther <rguenther@suse.de>
14719 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14720 variants with double arguments.
14722 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14724 * genpreds.c (write_tm_constrs_h): Delete variable p.
14725 * genconditions.c (write_header): Add tm-constrs.h to included
14727 * genpeep.c (main): Add toplev.h to included headers.
14728 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14729 (build/genpeep.o): Add toplev.h dependency.
14730 * config/rs6000/constraints.md: Add "W" constraint.
14732 2006-03-29 Roger Sayle <roger@eyesopen.com>
14734 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14735 sizes by correctly testing whether the size fits a host integer.
14736 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14737 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14738 SImode range for the default sizetype and bitsizetype.
14740 2006-03-29 Roger Sayle <roger@eyesopen.com>
14742 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14743 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14744 quickly if the argument is already of the correct type.
14745 Call fold_build1 instead of build1. Tidy up blank lines.
14747 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14749 * genemit.c (main): Add tm-constrs.h to included headers.
14750 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14751 * genpeep.c (main): Add tm-constrs.h to included headers.
14752 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14753 (write_tm_constrs_h): this and write complete file.
14754 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14755 (write_insn_preds_c): Add tm-constrs.h to included headers.
14756 (gen_constrs): New variable.
14757 (parse_option): Parse "-c".
14758 (main): Invoke write_tm_constrs_h.
14759 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14760 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14761 (object_out_file): Add tm-constrs.h dependency.
14762 (insn-emit.o): Same.
14763 (insn-output.o): Same.
14764 (insn-peep.o): Same.
14765 (insn-preds.o): Same.
14766 (insn-recog.o): Same.
14767 (tm-constsr.h): New target.
14768 (s-constrs-h): New target.
14770 * config/rs6000/constraints.md: New file.
14771 * config/rs6000/rs6000.c: Include tm-constrs.h.
14772 (num_insn_constant_wide): Convert to satisfies_constraint.
14773 (rs6000_rtx_costs): Convert to satisfies_constraint.
14774 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14775 (CONST_OK_FOR_LETTER_P): Delete.
14776 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14777 (EXTRA_CONSTRAINT): Delete.
14778 (EXTRA_MEMORY_CONSTRAINT): Delete.
14779 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14780 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14781 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14782 satisfies_constraint.
14784 * config/i386/i386.c: Include tm-constrs.h.
14786 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14788 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14789 * tree-data-ref.c (find_data_references_in_loop,
14790 compute_data_dependences_for_loop): Use pointers to VEC.
14791 (analyze_all_data_dependences): Adjust calls.
14792 * tree-data-ref.h (find_data_references_in_loop,
14793 compute_data_dependences_for_loop): Adjust declarations.
14794 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14795 compute_data_dependences_for_loop.
14797 2006-03-29 Paul Brook <paul@codesourcery.com>
14799 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14800 (movdf_vfp): Ditto.
14802 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14804 PR tree-optimization/26859
14805 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14807 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14808 for the step after fold_convert.
14810 2006-03-29 Paul Brook <paul@codesourcery.com>
14812 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14813 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14815 2006-03-29 Paul Brook <paul@codesourcery.com>
14817 PR middle-end/23623
14818 * targhooks.c (default_narrow_bitfield): New fuction.
14819 * targhooks.h (default_narrow_bitfield): add prototype.
14820 * target.h (gcc_target): Add narrow_volatile_bitfield.
14821 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14822 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14823 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14824 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14826 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14828 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14830 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14831 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14832 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14833 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14834 (s390_function_arg_float): Allow SDmode and DDmode values to be
14835 passed in floating point registers.
14836 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14837 check with SCALAR_FLOAT_MODE_P.
14838 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14840 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14842 PR tree-optimization/25985
14843 * tree-ssa-loop-niter.c (number_of_iterations_le,
14844 number_of_iterations_ne): Make comments more precise.
14845 (number_of_iterations_cond): Add only_exit argument. Use the
14846 fact that signed variables do not overflow only when only_exit
14848 (loop_only_exit_p): New.
14849 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14850 number_of_iterations_cond.
14852 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14854 PR tree-optimization/26643
14855 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14858 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14860 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14861 (divsi3_i4_int): Likewise.
14863 2006-03-28 Roger Sayle <roger@eyesopen.com>
14865 * expr.c (emit_group_store): Only create a new pseudo reg if the
14866 quantity it needs to hold isn't already a suitable pseudo.
14868 2006-03-28 Jeff Law <law@redhat.com>
14870 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14871 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14873 2006-03-28 Roger Sayle <roger@eyesopen.com>
14875 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14876 the equivalent ~X & Y, and the symmetry related transformations.
14877 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14878 ~X & Y, and symmetry related transforms.
14880 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14882 Revert my 2006-03-27 patches.
14884 2006-03-28 Roger Sayle <roger@eyesopen.com>
14886 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14887 ~(T1)X, when T1 and T2 are integer types of the same precision
14888 and (T2)X isn't an extension.
14890 2006-03-28 Jeff Law <law@redhat.com>
14892 PR tree-optimization/26796
14893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14894 need EH edge cleanups rather than purging them immediately.
14895 (eliminate_degenerate_phis): Handle queued EH cleanups.
14897 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14899 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14902 2006-03-27 Roger Sayle <roger@eyesopen.com>
14904 PR middle-end/22524
14905 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14906 cast BIT_NOT_EXPR operand to the correct type.
14908 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14910 * tree-loop-linear.c: Don't include varray.h.
14911 (gather_interchange_stats, try_interchange_loops,
14912 linear_transform_loops): Use VEC instead of VARRAY.
14913 * lambda-mat.c: Don't include varray.h.
14914 * tree-chrec.c: Same.
14915 * lambda-trans.c: Same.
14916 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14917 VEC instead of VARRAY.
14918 * tree-vectorizer.h: Idem.
14919 * tree-data-ref.c (dump_data_references,
14920 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14921 initialize_data_dependence_relation, finalize_ddr_dependent,
14922 compute_all_dependences, find_data_references_in_loop,
14923 compute_data_dependences_for_loop, analyze_all_data_dependences,
14924 free_dependence_relation, free_dependence_relations,
14925 free_data_refs): Idem.
14926 * tree-data-ref.h (data_reference_p, subscript_p): New.
14927 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14928 VEC instead of VARRAY.
14929 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14930 (find_data_references_in_loop, compute_data_dependences_for_loop,
14931 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14932 dump_data_dependence_relations, free_dependence_relations,
14933 free_data_refs): Adjust declaration.
14934 (lambda_transform_legal_p): Move declaration here...
14935 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14936 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14937 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14938 vect_analyze_data_refs): Use VEC instead of VARRAY.
14939 * lambda.h (lambda_transform_legal_p): ...from here.
14940 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14941 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14942 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14943 tree-chrec.o): Don't depend on VARRAY_H.
14945 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14947 * rtl.def (Copyright): Update date.
14948 (DEPS_LIST): Change type of the second operand to 'int'.
14949 * target.h (Copyright): Update date.
14950 (struct gcc_target.speculate_insn): Change type of the second parameter
14952 * lists.c (Copyright): Update date.
14953 (alloc_DEPS_LIST): Change signature. Update reference to the second
14954 operand of the DEPS_LIST.
14955 (copy_DEPS_LIST_list): Update reference to the second operand of the
14957 * rtl.h (Copyright): Update date.
14958 (alloc_DEPS_LIST): Update signature.
14959 * sched-int.h (Copyright): Update date.
14960 (ds_t): Change typedef to 'int'.
14961 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14963 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14965 * haifa-sched.c (Copyright): Update date.
14966 (try_ready): Change condition to restore non-speculative pattern
14967 of the instruction.
14968 (process_insn_depend_be_in_spec): Code to keep probability of the
14969 speculative dependence non-decreasing.
14971 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14973 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14974 shut up the compiler.
14976 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14978 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14979 to use lib prefix for target.
14980 ($(T)libic_invalidate_array_4-200.a): Likewise.
14981 ($(T)libic_invalidate_array_4a.a): Likewise.
14983 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14984 J"orn Rennecke <joern.rennecke@st.com>
14986 * superh.opt: New file.
14987 * sh.c (boardtype, osruntime): Remove.
14988 * superh.h (SUBTARGET_OPTIONS): Remove.
14989 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14991 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14992 arguments with ^ and/or [].
14994 * config.gcc (sh-*-*): Add quoting to account for quirk of
14996 Replace == with = in enable_incomplete_targets test.
14998 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14999 with MASK_LITTLE_ENDIAN.
15001 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15002 * config/sh/sh.opt: Added to some comments.
15003 * config/sh/superh.h: Removed some chaff.
15005 * config/sh/sh.opt: Add m4-[1234]00* options.
15006 * config/sh/sh.c (sh_handle_option): Likewise.
15007 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15008 (ic_invalidate_array_4-100.o): New rule.
15009 ($(T)libic_invalidate_array_4-100.a): Likewise.
15010 (ic_invalidate_array_4-200.o): Likewise.
15011 ($(T)libic_invalidate_array_4-200.a): Likewise.
15012 (ic_invalidate_array_4a.o): Likewise.
15013 ($(T)libic_invalidate_array_4a.a): Likewise.
15014 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15015 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15017 * config/sh/crt1.asm: Merged in profiling code.
15018 * config/sh/superh.h (STARTFILE_SPEC): Override.
15019 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15020 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15021 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15023 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15024 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15025 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15027 * sh.opt (mpretend-cmove): New option.
15028 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15029 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15030 (movsicc): Add TARGET_PRETEND_CMOVE code.
15032 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15034 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15035 s390_class_max_nregs): New function prototypes.
15036 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15037 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15038 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15039 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15041 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15043 * dwarf2out.c (add_location_or_const_value_attribute): Call
15044 tree_add_const_value_attribute if nothing else works.
15045 (reference_to_unused): New.
15046 (rtl_for_decl_init): Use reference_to_unused to decide whether
15047 to output an initializer.
15049 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15052 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15053 peephole removing spe frob_di_df_2.
15055 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15057 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15058 (subscript_dependence_tester_1): Declared.
15059 (print_dir_vectors, print_dist_vectors): New.
15060 (debug_data_dependence_relation): New.
15061 (dump_data_dependence_relation): Print more details.
15062 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15063 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15064 (save_dist_v, save_dir_v, add_outer_distances,
15065 build_classic_dist_vector_1): New.
15066 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15067 Don't test for lambda_vector_lexico_pos.
15068 (same_access_functions, add_multivariate_self_dist,
15069 add_other_self_distances, dir_from_dist): New.
15070 (build_classic_dir_vector): Replace implementation almost identical to
15071 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15073 (subscript_dependence_tester_1): New.
15074 (subscript_dependence_tester): Handle the lexicographically negative
15075 distance vectors by recomputing the dependence relation.
15076 (compute_affine_dependence): Remove parameter loop_nest_depth.
15077 (compute_self_dependence): Don't call compute_subscript_distance.
15078 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15079 Add a parameter for the loop_nest.
15080 (find_loop_nest_1, find_loop_nest): New.
15081 (compute_data_dependences_for_loop): Compute the loop nest, and give
15082 up if the nest is not well formed.
15083 * tree-data-ref.h (loop_p): New.
15084 (struct data_dependence_relation): Replace size_vect field with
15085 loop_nest, a vec of loops.
15086 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15087 (DDR_LOOP_NEST): New.
15088 (print_dir_vectors, print_dist_vectors,
15089 debug_data_dependence_relation): Declared.
15090 (index_in_loop_nest): New.
15091 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15092 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15095 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15097 * simplify-rtx.c (simplify_relational_operation): Call
15098 simplify_relational_operation_1 even if mode is VOIDmode.
15100 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15102 PR tree-optimization/26804
15103 * tree.h (DECL_CALL_CLOBBERED): New macro.
15104 (tree_decl_common): Add call_clobbered_flag.
15105 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15106 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15107 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15108 (mark_non_addressable): Ditto.
15109 * tree-ssa.c (verify_call_clobbered): New function.
15110 (verify_alias_info): Use it.
15111 * tree-pass.h (pass_reset_cc_flags): New prototype.
15112 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15113 (reset_cc_flags): New function.
15114 * passes.c (init_optimization_passes): Call reset_cc_flags after
15115 initializing referenced_vars.
15117 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15118 Roger Sayle <roger@eyesopen.com>
15120 PR middle-end/26717
15121 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15122 to 1.0 for non-real operands. Implement A / A optimization for
15125 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15127 * config/i386/i386.c (size_cost): Correct the comment for
15128 cost of storing fp registers.
15129 (i386_cost): Likewise.
15130 (i486_cost): Likewise.
15131 (pentium_cost): Likewise.
15132 (pentiumpro_cost): Likewise.
15133 (k6_cost): Likewise.
15134 (athlon_cost): Likewise.
15135 (k8_cost): Likewise.
15136 (pentium4_cost): Likewise.
15137 (nocona_cost): Likewise.
15138 (generic64_cost): Likewise.
15139 (generic32_cost): Likewise.
15141 2006-03-24 Denis Chertykov <denisc@overta.ru>
15143 * config/avr/avr-protos.h (extra_constraint): Delete.
15144 (extra_constraint_Q): New declaration.
15145 * config/avr/constraints.md: New file.
15146 * config/avr/avr.md: Include it.
15147 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15148 (TMP_REGNO, ZERO_REGNO): Likewise.
15149 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15150 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15151 (extra_constraint): Delete.
15152 (extra_constraint_Q): Test for memory constraint 'Q'.
15153 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15154 (REG_CLASS_FROM_LETTER): Delete.
15155 (CONST_OK_FOR_LETTER_P): Delete.
15156 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15157 (EXTRA_CONSTRAINT): Delete.
15158 (TMP_REGNO): Delete.
15159 (ZERO_REGNO): Delete.
15161 2006-03-24 Jeff Law <law@redhat.com>
15163 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15164 directly. Call mark_new_vars_to_rename slightly earlier.
15166 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15168 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15169 (is_cxx): Likewise.
15170 (gen_compile_unit_die): Use new language types for Objective-C and
15172 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15173 DW_LANG_C_plus_plus.
15176 * config/t-darwin (crt3.o): Work around bug 26840.
15177 * config/darwin-crt3.c: Rewrite.
15178 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15180 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15182 * doc/invoke.texi: Document -femit-class-debug-always
15183 * common.opt: Add -femit-class-debug-always.
15185 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15187 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15188 index and base register.
15189 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15190 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15191 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15192 REGNO_OK_FOR_INDEX_P.
15193 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15195 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15196 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15197 REG_OK_FOR_BASE_P): Definitions removed.
15199 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15201 PR middle-end/26611
15202 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15203 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15204 set yet or weren't marked as local yet.
15206 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15208 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15211 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15213 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15214 (rs6000_legitimate_small_data_p): Delete.
15215 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15216 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15217 and make static. Add forward declaration. Update uses.
15218 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15219 of offsettable_memref_p.
15220 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15221 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15223 2006-03-24 Jeff Law <law@redhat.com>
15225 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15226 around bug in immediate-use iterator.
15228 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15231 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15232 or __LITTLE_ENDIAN__.
15234 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15236 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15237 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15238 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15239 * config/sh/sh.opt (mdiv=): Amend description.
15240 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15241 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15242 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15243 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15244 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15245 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15246 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15247 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15248 TARGET_DIVIDE_CALL_FP.
15250 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15252 * haifa-sched.c (choose_ready): Fix type of the local variable.
15253 Move local variables. Add comment.
15254 (check_reg_live): Change signature. Make callable from debugger.
15255 * sched-int.h (check_reg_live): Update signature.
15256 * sched-ebb.c (check_reg_live): Update parameters.
15257 * sched-rgn.c (check_reg_live): Ditto.
15258 (region_head_or_leaf_p): Check pointer before dereferencing.
15259 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15260 before reload on optimization levels below 1.
15262 2006-03-23 Richard Henderson <rth@redhat.com>
15264 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15268 * config/alpha/predicates.md (local_symbolic_operand): Reject
15271 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15274 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15275 expressions which have overflowed constants.
15277 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15279 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15281 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15283 * cfgloopmanip.c (create_loop_notes): Removed.
15284 * final.c (final_scan_insn): Do not handle loop notes.
15285 * jump.c (squeeze_notes): Ditto.
15286 * cfglayout.c (skip_insns_after_block,
15287 duplicate_insn_chain): Ditto.
15288 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15290 * cfgloop.h (create_loop_notes): Declaration removed.
15292 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15294 * varasm.c (output_constant_pool): Restore fnname and fndecl
15296 (assemble_start_function): Adjust call accordingly.
15297 (assemble_end_function): Likewise.
15299 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15302 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15305 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15307 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15310 * system.h (ICE_EXIT_CODE): New macro.
15311 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15312 (diagnostic_action_after_output): Likewise.
15313 * gcc.c (fatal_ice): New function.
15314 (execute): Use it instead of fatal.
15315 (fancy_abort): Likewise.
15316 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15318 2006-03-22 Jeff Law <law@redhat.com>
15320 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15321 iv_analyze_result returning false.
15323 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15325 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15327 2006-03-22 Richard Henderson <rth@redhat.com>
15329 PR middle-end/26084
15330 * except.c (duplicate_eh_regions_0): New.
15331 (duplicate_eh_region_1): Duplicate the children of the node as
15332 well as the node itself. Link them up properly.
15333 (duplicate_eh_region_2): Merge into ...
15334 (duplicate_eh_regions): ... here. Take copy_region argument, and
15335 copy only a sub-tree if asked. Simplify copying and fixup.
15336 (eh_region_outer_p): New.
15337 * except.h (duplicate_eh_regions): Update decl.
15338 (eh_region_outer_p): Declare.
15339 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15340 (lower_omp_master): Likewise.
15341 (lower_omp_ordered): Likewise.
15342 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15343 (move_stmt_r): Use it to remap labels. Handle recursion vs
15344 remap_decls_p properly.
15345 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15346 (find_outermost_region_in_block): New.
15347 (new_label_mapper): New.
15348 (move_sese_region_to_fn): Copy eh information to the new function
15350 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15352 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15355 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15357 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15358 into shared libraries.
15360 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15362 * doc/md.texi: Refer to i386/constraints.md instead of
15363 i386/predicates.md.
15364 * config/i386/constraints.md: New file, extracted from...
15365 * config/i386/predicates.md: ...here.
15366 * config/i386/i386.md: Include constraints.md.
15368 2006-03-21 Jason Merrill <jason@redhat.com>
15370 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15372 PR middle-end/20297
15373 * expr.c (init_block_move_fn): Force default visibility.
15374 (init_block_clear_fn): Likewise.
15375 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15376 * targhooks.c (default_external_stack_protect_fail): Likewise.
15378 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15380 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15381 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15382 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15383 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15384 (loadgp): Use mips_current_loadgp_style.
15385 (loadgp_noshared): New pattern.
15386 (sibcall_internal): Use MIPS_CALL.
15387 (sibcall_value_internal): Likewise.
15388 (sibcall_value_multiple_internal): Likewise.
15389 (call_internal): Likewise.
15390 (call_value_internal): Likewise.
15391 (call_value_multiple_internal): Likewise.
15392 (call_split): Use MIPS_CALL and add an 'S' constraint.
15393 (call_value_split): Likewise.
15394 (call_value_multiple_split): Likewise.
15395 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15396 (-mshared): New option.
15397 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15398 (mips_current_loadgp_style): Declare.
15399 * config/mips/mips.c (mips_classify_symbol): Avoid using
15400 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15401 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15402 TARGET_ABSOLUTE_ABICALLS.
15403 (override_options): Adjust comments. Improve the warning that is
15404 issued when -mabicalls and -G are used together.
15405 (mips_file_start): Remove comment.
15406 (mips_current_loadgp_style): New function.
15407 (mips_gnu_local_gp): New variable.
15408 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15410 (mips_output_function_prologue): Use mips_current_laodgp_style.
15411 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15412 the cprestore instruction.
15413 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15414 live for TARGET_ABSOLUTE_ABICALLS.
15415 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15416 (ASM_SPEC): Pass down -mshared and -mno-shared.
15417 (MIPS_CALL): New macro.
15418 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15420 * doc/invoke.texi (-mabicalls): Update documentation.
15421 (-mshared): Document.
15423 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15425 * config/ia64/unwind-hpux.c: New file.
15426 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15428 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15431 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15433 2006-03-21 Jeff Law <law@redhat.com>
15435 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15436 type conversions of a VR_VARYING source to a wider type.
15438 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15440 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15441 tm_file on Solaris 10 and later.
15442 (sparc64-*-solaris2*): Likewise.
15443 (sparc-*-solaris2*): Likewise.
15444 * config/sol26.h: Rename to config/sol2-6.h.
15445 * config/sol2-10.h: New file.
15447 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15450 * tree-ssa-pre.c (create_component_ref_by_pieces):
15453 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15456 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15457 return it immediately.
15459 2006-03-21 Michael Matz <matz@suse.de>
15461 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15463 (remove_arc, add_arc): Update num_out_arcs member.
15464 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15466 (cache_presence): New function.
15467 (compare_states_for_equiv): New function.
15468 (state_is_differed): Don't take number of outargs, adjust callers.
15469 Use new invariant for speeding up.
15470 (init_equiv_class): Create initial classes based on sorted
15472 (partition_equiv_class): Don't track out_arcs_num.
15473 (evaluate_equiv_classes): Call cache_presence on all states and
15476 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15478 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15479 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15480 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15481 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15483 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15484 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15485 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15486 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15487 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15489 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15490 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15491 (REGNO_REG_CLASS): ARGP is in PREGS.
15492 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15494 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15495 to deal with those addresses.
15496 * addresses.h: New file.
15497 * caller-save.c: Include "addresses.h".
15498 (init_caller_save): Use new base_reg_class function.
15499 * rtl-factoring.c: Include "addresses.h".
15500 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15501 * recog.c: Include "addresses.h".
15502 (preprocess_constraints): Use new base_reg_class function.
15503 * regrename.c: Include "addresses.h".
15504 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15505 functions. Keep track of a new var INDEX_CODE to compute valid
15507 (replace_oldest_value_addr): Likewise.
15508 (replace_oldest_value_mem): Use base_reg_class.
15509 * reload.c: Include "addresses.h".
15510 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15511 (find_reloads): Use new base_reg_class function.
15512 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15513 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15514 all callers and prototype changed.
15515 * reload1.c: Include "addresses.h".
15516 (maybe_fix_stack_asms): Use base_reg_class.
15517 * regclass.c: Include "addresses.h".
15518 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15519 (init_reg_autoinc): Use new base_reg_class function.
15520 (record_reg_classes): Likewise.
15521 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15522 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15523 Use new args to compute necessary class.
15525 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15526 regrename.o, rtl-factoring.o): Update dependencies.
15527 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15528 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15529 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15530 REG_OK_FOR_INDEX_P): Delete documentation.
15532 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15534 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15535 from V7 to V9 for Solaris 7 and above.
15537 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15539 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15540 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15541 argument pointers may not alias any other storage.
15542 * common.opt: Define option -fargument-noalias-anything.
15543 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15544 alias semantics is specified by flag_argument_noalias > 2.
15546 2006-03-20 Jeff Law <law@redhat.com>
15548 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15549 (pass_phi_only_cprop): Declare.
15550 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15551 with phi_only_cprop
15552 * tree-ssa-dom.c (degenerate_phi_result): New function.
15553 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15554 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15555 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15556 (eliminate_degenerate_phis): Likewise.
15557 (pass_phi_only_cprop): New pass descriptor.
15558 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15559 support code. Callers updated.
15560 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15561 (store_copy_prop): Likewise.
15562 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15564 2006-03-20 Jason Merrill <jason@redhat.com>
15567 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15568 (push_visibility, pop_visibility): Likewise.
15569 * c-pragma.h: Declare them.
15571 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15573 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15575 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15576 parameter and use get_ebb_head_tail.
15577 (sh_md_init_global): Adjust uses of find_regmode_weight.
15579 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15581 * function.h (struct function) <x_tail_recursion_reentry>:
15582 Rename to x_stack_check_probe_note.
15583 (tail_recursion_reentry): Rename to stack_check_probe_note.
15584 * function.c: Replace tail_recursion_reentry with
15585 stack_check_probe_note everywhere.
15586 (expand_function_start): Only emit a note for
15587 stack_check_probe_note with -fstack-protect.
15588 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15590 * emit-rtl.c (remove_unnecessary_notes): Remove.
15591 (pass_remove_unnecessary_notes): Remove.
15592 * rtl.h (remove_unnecessary_notes): Remove prototype.
15593 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15594 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15595 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15597 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15600 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15601 (valid_in_set): Handle ARRAY_REF.
15602 Change "if min_variant or VH" to asserts.
15603 (create_component_ref_by_pieces): Handle ARRAY_REF.
15604 (create_expression_by_pieces): Likewise.
15605 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15607 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15609 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15610 is operand of switch, not str[0].
15612 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15614 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15615 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15617 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15619 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15620 end of insn_extra_address_constraint declaration.
15622 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15624 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15625 (no-sum-in-toc): Same.
15626 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15628 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15629 NO_FP_IN_TOC for -fPIC instead of mask.
15631 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15632 (BOOT_LDFLAGS): Delete.
15634 * config/rs6000/t-aix52: Same.
15636 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15637 (stmsi[345678]_power): New.
15639 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15641 * config/ia64/ia64.opt: Add empty line to end of file.
15643 2006-03-17 Richard Guenther <rguenther@suse.de>
15645 PR middle-end/26721
15646 * builtins.c (get_pointer_alignment): For component style references
15647 adjust alignment to the component type alignment. Make sure
15648 to adjust alignment for component access of constants.
15650 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15652 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15653 unconditional jump.
15655 2006-03-17 Paul Brook <paul@codesourcery.com>
15657 * doc/install.texi: Docuemnt --with-mode.
15658 * config.gcc: Add --with-mode for arm*-*-*.
15659 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15661 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15663 * sh.c (max_labelno_before_reorg): New variable.
15664 (sh_reorg): Initialize it.
15665 (find_barrier): Check max_labelno_before_reorg before using
15666 label_to_alignment. Take length of explicit alignment insns
15667 into account. When seeing a UNSPECV_CONST_END, return it.
15669 * sh.c (fixup_mova): Set mode of affected label to QImode.
15670 (untangle_mova): New function.
15671 (find_barrier): Use it. Check mode of label before decrementing
15673 (sh_reorg): Likewise.
15674 Set mode of all insns back to VOIDmode.
15676 * sh.c (MOVA_LABELREF): New macro.
15677 (mova_p, fixup_mova, sh_reorg): Use it.
15678 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15679 ADDR_DIFF_VEC matches mova.
15681 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15683 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15684 with ATTRIBUTE_UNUSED.
15686 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15688 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15689 pointer, instead of assuming it is possible to derive the
15690 correct args size from a call insn.
15692 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15694 * rtl.h (CONST_INT_P): Define.
15695 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15696 instead of GET_CODE(x) == CONST_INT.
15697 (vax_rtx_costs): Likewise.
15698 (vax_output_int_move): Likewise.
15699 (vax_output_int_add): Likewise.
15700 (legitimate_constant_address_p): Likewise.
15701 (index_term_p): Likewise.
15702 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15703 * config/vax/vax.md (and<mode>3): Likewise.
15704 (ashrsi3): Likewise.
15706 (movstricthi): Likewise.
15707 (movstrictqi): Likewise.
15708 (rotrsi3): Likewise.
15709 (five unnamed insns): Likewise.
15711 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15713 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15714 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15715 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15716 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15717 Pass to ASM_OUTPUT_DWARF_OFFSET.
15718 * dwarf2out.c (debug_frame_section): New.
15719 (output_call_frame_info): Use debug_frame_section. Pass it to
15720 dw2_asm_output_offset.
15721 (output_die): Pass appropriate section to dw2_asm_output_offset.
15722 (output_compilation_unit_header): Likewise.
15723 (output_pubnames): Likewise.
15724 (output_aranges): Likewise.
15725 (enum dw_val_class): Break dw_val_class_lbl_offset into
15726 dw_val_class_lineptr and dw_val_class_macptr.
15727 (add_AT_lbl_offset): Delete.
15728 (add_AT_lineptr): New.
15729 (add_AT_macptr): New.
15730 (AT_lbl): Expect a lineptr or macptr.
15731 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15732 (attr_checksum): Likewise.
15733 (same_dw_val_p): Likewise.
15734 (size_of_die): Likewise.
15735 (value_format): Likewise.
15736 (output_die): Likewise.
15737 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15739 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15740 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15741 * config/darwin-protos.h (darwin_file_start): New.
15742 (darwin_asm_output_dwarf_offset): New.
15743 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15744 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15746 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15747 if not EH section; simplify.
15748 (darwin_file_start): New.
15749 (darwin_asm_output_dwarf_offset): New.
15750 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15752 (DEBUG_INFO_SECTION): Likewise.
15753 (DEBUG_ABBREV_SECTION): Likewise.
15754 (DEBUG_ARANGES_SECTION): Likewise.
15755 (DEBUG_MACINFO_SECTION): Likewise.
15756 (DEBUG_LINE_SECTION): Likewise.
15757 (DEBUG_LOC_SECTION): Likewise.
15758 (DEBUG_PUBNAMES_SECTION): Likewise.
15759 (DEBUG_STR_SECTION): Likewise.
15760 (DEBUG_RANGES_SECTION): Likewise.
15761 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15762 (ASM_OUTPUT_DWARF_OFFSET): New.
15764 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15766 * config.gcc (tm_defines): Always add to previous value rather
15769 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15771 * config/mips/predicates.md (splittable_const_int_operand): New,
15772 split from move_operand.
15773 (splittable_symbolic_operand): New.
15774 (move_operand): Add commentary. Use splittable_const_int_operand.
15775 Inline mips_atomic_symbolic_constant_p.
15776 * config/mips/mips.md: Add combine splitters for handling moves
15777 of splittable_const_int_operands and splittable_symbolic_operands.
15778 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15779 (mips_split_symbol): Declare.
15780 (mips_move_integer): Declare.
15781 * config/mips/mips.c (mips_split_p): Make global.
15782 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15783 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15784 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15785 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15786 (mips_offset_within_object_p): Handle block symbols.
15787 (mips_atomic_symbolic_constant_p): Delete.
15788 (mips_cannot_force_const_mem): Return false for constants that
15789 mips_legitimize_move can handle.
15790 (mips_use_blocks_for_constant_p): New function.
15791 (mips_split_symbol): Make global.
15792 (mips_move_integer): Likewise. Add a temporary register argument.
15793 (mips_legitimize_const_move): Use splittable_const_int_operand and
15794 splittable_symbolic_operand.
15795 (mips_use_anchors_for_symbol_p): New function.
15796 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15797 (mips_split_p): Declare.
15799 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15801 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15802 (mips*-*-linux*): Likewise.
15804 2006-03-16 Roger Sayle <roger@eyesopen.com>
15805 Daniel Speyer <dspeyer@wam.umd.edu>
15807 PR middle-end/18259
15808 * tree-dump.c (dump_real): New function.
15809 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15810 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15811 (tree-dump.o): Add $(REAL_H) to the dependencies.
15813 2006-03-16 Roger Sayle <roger@eyesopen.com>
15815 PR middle-end/21781
15816 * real.c (real_from_string): If the mantissa is zero, don't bother
15817 parsing the exponent as the result should always be zero.
15819 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15821 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15823 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15825 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15826 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15827 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15828 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15829 ia64_sched_finish_global): New static functions to implement
15830 hooks from gcc_target.sched.
15831 (spec_check_no, max_uid, pending_data_specs): New static variables.
15832 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15833 ia64_spec_check_src_p): New static functions.
15834 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15835 (TARGET_SCHED_ADJUST_COST): Removed.
15836 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15837 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15838 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15839 TARGET_SCHED_GEN_CHECK,
15840 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15841 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15842 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15843 Fixed to handle speculation checks.
15844 (rtx_needs_barrier): Fixed to handle speculative loads and
15846 (ia64_variable_issue): Added code to count speculative loads and their
15848 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15850 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15852 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15854 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15855 (ia64_reorg): Reset stops_p to NULL after it is freed.
15856 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15857 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15858 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15860 (data_speculative, control_speculative, check_load): New attributes.
15861 (mov<mode>_advanced, mov<mode>_speculative,
15862 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15863 zero_extend<mode>di2_speculative,
15864 zero_extend<mode>di2_speculative_advanced): New patterns for
15865 data and control speculative loads.
15866 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15868 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15869 New pattern for data and control speculation checks.
15870 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15871 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15872 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15873 Auxiliary definitions for the patterns.
15874 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15875 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15877 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15879 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15880 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15881 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15882 New resource constraints.
15883 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15885 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15886 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15887 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15888 msched-in-control-spec, msched-ldc, msched-control-ldc,
15889 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15890 msched-prefer-non-control-spec-insns,
15891 msched-count-spec-in-critical-path): New flags to tune speculative
15893 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15894 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15895 msched-in-control-spec, msched-ldc, msched-control-ldc,
15896 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15897 msched-prefer-non-control-spec-insns,
15898 msched-count-spec-in-critical-path): Document new flags.
15900 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15902 * target.h (struct spec_info_def): New opaque declaration.
15903 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15904 speculate_insn, needs_block_p, gen_check,
15905 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15906 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15907 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15908 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15909 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15910 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15912 (TARGET_SCHED): Use new macros.
15913 * rtl.h (copy_DEPS_LIST_list): New prototype.
15914 * sched-int.h (struct sched_info): Change signature of new_ready field,
15915 adjust all initializations. New fields: add_remove_insn,
15916 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15917 region_head_or_leaf_p.
15918 (struct spec_info_def): New structure declaration.
15919 (spec_info_t): New typedef.
15920 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15921 recovery_block, orig_pat.
15922 (glat_start, glat_end): New variables declaraions.
15923 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15925 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15926 DETACH_LIFE_INFO, USE_GLAT.
15927 (enum SPEC_SCHED_FLAGS): New enumeration.
15928 (NOTE_NOTE_BB_P): New macro.
15929 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15930 attach_life_info, debug_spec_status, check_reg_live): New functions.
15931 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15932 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15934 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15935 * ddg.c (get_block_head_tail): Adjust all uses.
15936 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15937 (sms_sched_info): Initialize new fields.
15938 (contributes_to_priority): Removed.
15939 * haifa-sched.c (params.h): New include.
15940 (get_block_head_tail): Adjust all uses.
15941 (ISSUE_POINTS): New macro.
15942 (glat_start, glat_end): New global variables.
15943 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15944 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15945 old_last_basic_block, before_recovery, current_sched_info_var,
15946 rgn_n_insns, luid): New static variables.
15947 (insn_cost1): New function. Move logic from insn_cost to here.
15948 (find_insn_reg_weight1): New function. Move logic from
15949 find_insn_reg_weight to here.
15950 (reemit_notes, move_insn, max_issue): Change signature.
15951 (move_insn1): Removed.
15952 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15953 extend_bb): New static functions to support extension of scheduler's
15955 (generate_recovery_code, process_insn_depend_be_in_spec,
15956 begin_speculative_block, add_to_speculative_block,
15957 init_before_recovery, create_recovery_block, create_check_block_twin,
15958 fix_recovery_deps): New static functions to support
15959 generation of recovery code.
15960 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15961 restore_bb_notes, move_block_after_check, move_succs): New static
15962 functions to support ebb scheduling.
15963 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15964 functions to support handling of register live information.
15965 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15966 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15967 add_jump_dependencies): New static functions.
15968 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15969 consistancy checking.
15970 (debug_spec_status): New function to call from debugger.
15971 (priority): Added code to handle speculation checks.
15972 (rank_for_schedule): Added code to distinguish speculative instructions.
15973 (schedule_insn): Added code to handle speculation checks.
15974 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15975 Fixed to handle ebbs.
15976 (move_insn): Added code to handle ebb scheduling.
15977 (max_issue): Added code to use ISSUE_POINTS of instructions.
15978 (choose_ready): Added code to choose between speculative and
15979 non-speculative instructions.
15980 (schedule_block): Added code to handle ebb scheduling and scheduling of
15981 speculative instructions.
15982 (sched_init): Initialize new variables.
15983 (sched_finish): Free new variables. Print statistics.
15984 (try_ready): Added code to handle speculative instructions.
15985 * lists.c (copy_DEPS_LIST_list): New function.
15986 * sched-deps.c (extend_dependency_caches): New function. Move logic
15987 from create_dependency_caches to here.
15988 (get_dep_weak, ds_merge): Make global.
15989 * genattr.c (main): Code to output prototype for
15990 dfa_clear_single_insn_cache.
15991 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15992 (output_dfa_clean_insn_cache_func): Code to output
15993 dfa_clear_single_insn_cache function.
15994 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15996 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15998 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15999 New static variables.
16000 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16001 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16003 (ebb_sched_info): Initialize new fields.
16004 (get_block_head_tail): Adjust all uses.
16005 (compute_jump_reg_dependencies): Fixed to use glat_start.
16006 (schedule_ebb): Code to remove unreachable last block.
16007 (schedule_ebbs): Added code to update register live information.
16008 * sched-rgn.c (region_sched_info): Initialize new fields.
16009 (get_block_head_tail): Adjust all uses.
16010 (last_was_jump): Removed. Adjust users.
16011 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16012 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16013 Implement new hooks.
16014 (check_dead_notes1): New static function.
16015 (struct region): New fields: dont_calc_deps, has_real_ebb.
16016 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16017 (BB_TO_BLOCK): Fixed to handle EBBs.
16018 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16019 (ebb_head): New static variable.
16020 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16021 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16023 (compute_dom_prob_ps): New assertion.
16024 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16025 global_live_at_start.
16026 (init_ready_list): New assertions.
16027 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16028 (new_ready): Add support for BEGIN_CONTROL speculation.
16029 (schedule_insns): Fixed code that updates register live information
16031 (schedule_region): Fixed to handle EBBs.
16032 (init_regions): Use extend_regions and check_dead_notes1.
16033 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16034 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16035 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16036 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16037 TARGET_SCHED_GEN_CHECK,
16038 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16039 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16040 * doc/invoke.texi (max-sched-insn-conflict-delay,
16041 sched-spec-prob-cutoff): Document.
16043 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16045 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16046 inter_tick, queue_index.
16047 (struct sched_info): Change signature of init_ready_list field.
16048 Adjust all initializations.
16049 (RESOLVED_DEPS): New access macro.
16050 (ready_add): Remove prototype.
16051 (try_ready): Add prototype.
16052 * sched-rgn.c (init_ready_list): Use try_ready.
16053 (schedule_region): Initialize
16054 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16055 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16056 (init_ready_list): Use try_ready.
16057 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16058 * lists.c (remove_list_elem): Remove `static'.
16059 (remove_free_INSN_LIST_elem): New function.
16060 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16061 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16062 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16064 (readyp): New variable.
16065 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16066 change_queue_index, resolve_dep): New static functions.
16067 (try_ready): New function. Adjust callers in sched-rgn.c and
16068 sched-ebb.c to use it instead of ready_add.
16069 (clock_var): Move at the begining of file.
16070 (rank_for_schedule): Fix typo.
16071 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16072 (ready_lastpos): Enforce assertion.
16073 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16074 update all callers.
16075 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16076 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16077 (queue_to_ready): Use free_INSN_LIST_list.
16078 (early_queue_to_ready): Fix typo.
16079 (schedule_block): Init readyp. Move init_ready_list call after the
16080 initialization of clock_var. Fix error in rejecting insn by
16081 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16082 that previously corrected INSN_TICKs. Add code for handling
16084 (set_priorities): Fix typo.
16085 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16086 Clarify comment and code that keeps current_sched_info->next_tail
16089 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16091 * sched-rgn.c (extend_rgns): New static function.
16092 (find_rgns): Use it.
16093 (gather_region_statistics, print_region_statistics): New static
16095 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16096 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16098 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16099 Andrey Belevantsev <abel@ispras.ru>
16101 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16102 * lists.c (unused_deps_list): New variable.
16103 (free_list): Add assertions to verify the proper distinguishing
16104 between INSN_LISTs and DEPS_LISTs.
16105 (find_list_elem, remove_list_elem, remove_list_node): New static
16107 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16108 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16109 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16110 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16112 (free_INSN_LIST_node): Likewise.
16113 * modulo-sched.c (current_sched_info): Initialize flags field.
16114 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16115 * rtl.def (DEPS_LIST): Define.
16116 * rtl.h: Declare new functions from lists.c.
16117 * sched-deps.c (spec_dependency_cache): New static variable.
16118 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16119 (add_dependence): Change return type to void. Move the logic to ...
16120 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16121 (delete_all_dependences): Add comment about forward_dependency_cache.
16122 Handle spec_dependency_cache. Handle DEPS_LISTs.
16123 (fixup_sched_groups): Clarify the change of priority of output
16124 and anti dependencies.
16125 (sched_analyze_2): Adjust add_dependence calls to create data
16126 speculative dependence.
16127 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16128 Adjust all callers. Handle DEPS_LISTS.
16129 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16130 presence of speculation.
16131 (init_dependency_caches, free_dependency_caches):
16132 Handle spec_dependency_cache.
16133 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16134 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16135 New static functions.
16136 (add_or_update_back_dep, add_or_update_back_forw_dep,
16137 add_back_forw_dep, delete_back_forw_dep): New functions.
16138 * sched-int.h (ds_t, dw_t): New typedefs.
16139 (struct sched_info): Add new field flags.
16140 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16141 Prototype new sched-deps.c functions.
16142 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16143 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16144 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16145 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16146 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16147 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16149 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16151 * sched-rgn.c (current_sched_info): Initialize flags field.
16152 (schedule_insns): Initialize current_sched_info before the sched_init
16154 * sched-ebb.c (current_sched_info): Initialize flags field.
16155 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16156 Call add_or_update_back_dep instead of add_dependence.
16157 Create control speculative dependencies.
16158 (schedule_insns): Initialize current_sched_info before the sched_init
16161 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16163 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16165 (sh_fallback_frame_state): Likewise.
16167 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16169 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16170 Do switch on default_use_cxa_atexit.
16171 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16172 * config/darwin-crt3.o: New.
16173 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16174 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16175 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16177 * config/rs6000/t-darwin: Move crt2.o building to here.
16178 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16179 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16182 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16184 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16185 from '! xxx' to '!xxx' for coding-style conformance.
16186 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16187 (EXTRA_CONSTRAINT): Likewise.
16188 * config/vax/vax.md (four unnamed insns): Likewise.
16190 2006-03-15 Paul Brook <paul@codesourcery.com>
16192 * config/arm/arm.c (minipool_pad): New.
16193 (add_minipool_forward_ref): Include pool alignment padding in address
16195 (push_minipool_fix): Set minipool_pad.
16196 (minipool_pad): Ditto.
16198 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16200 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16201 instead of GET_CODE() == MEM and REG_P() instead of
16203 (print_operand_address): Likewise.
16204 (vax_address_cost): Likewise.
16205 (vax_rtx_costs): Likewise.
16206 (vax_notice_update_cc): Likewise.
16207 (vax_output_int_add): Likewise.
16208 (INDEX_REGISTER_P): Likewise.
16209 (BASE_REGISTER_P): Likewise.
16210 (nonindexed_address_p): Likewise.
16211 (vax_mode_dependent_address_p): Likewise.
16212 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16213 (PRINT_OPERAND): Likewise.
16214 * config/vax/vax.md (ashlsi3): Likewise.
16215 (ashlsi3): Likewise.
16216 (some more unnamed insns): Likewise.
16218 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16220 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16221 iterator-style macro.
16222 (mark_control_dependent_edges_necessary): Update the use of
16223 EXECUTE_IF_CONTROL_DEPENDENT.
16225 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16227 * config/sh/predicates.md (cache_address_operand): Special.
16228 (ua_address_operand): Likewise.
16230 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16232 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16234 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16236 2006-03-15 Andreas Schwab <schwab@suse.de>
16238 * gensupport.c (identify_predicable_attribute): Don't free p_false
16239 when it is still in use.
16241 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16243 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16244 the default setting here.
16246 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16248 * tree-pass.h (pass_cfg): Remove.
16249 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16250 * passes.c (pass_cfg): Don't run it.
16252 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16254 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16255 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16257 (stack_regs_mentioned): Update the uses of
16258 stack_regs_mentioned_data. Don't access the array beyond its
16260 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16261 Don't include gt-reg-stack.h.
16263 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16264 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16266 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16268 PR middle-end/26684
16269 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16272 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16274 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16276 2006-03-14 Richard Guenther <rguenther@suse.de>
16278 PR tree-optimization/26672
16279 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16282 2006-03-14 Richard Guenther <rguenther@suse.de>
16284 PR tree-optimization/26667
16285 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16286 node for the callees. Always allow inlining if it will shrink
16289 2006-03-14 Richard Guenther <rguenther@suse.de>
16291 PR middle-end/26659
16292 * builtins.c (get_pointer_alignment): Prefer alignment
16293 information from decls over that from types.
16295 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16298 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16300 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16302 * config/rs6000/rs6000.opt (mdlmzb): New option.
16303 (msched-prolog, msched-epilog): Use Var not Mask.
16304 * doc/invoke.texi (-mdlmzb): Document.
16305 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16307 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16308 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16310 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16312 PR rtl-optimization/25739
16313 * bt-load.c (augment_live_range): Free tos pointer.
16315 * gensupport.c (identify_predicable_attribute): Free
16317 * gcov.c (create_file_names): Free name pointer.
16319 2006-03-13 Roger Sayle <roger@eyesopen.com>
16321 PR middle-end/26557
16322 * stmt.c (emit_case_nodes): Handle the case where the index is a
16323 CONST_INT, where the comparison mode is specified by the index type.
16325 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16327 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16330 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16332 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16333 (*branch_fp_inverted): Likewise.
16335 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16337 PR middle-end/25989
16338 * omp-low.c (expand_omp_for_generic): Mark istart0
16339 and iend0 as addressable.
16341 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16343 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16345 2006-03-13 Jeff Law <law@redhat.com>
16347 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16348 virtual operands are interesting.
16349 (vrp_visit_stmt): Corresponding changes.
16351 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16353 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16355 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16356 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16357 * config/bfin/crti.S: Use it instead of __PIC__.
16358 * config/bfin/crtn.S: Likewise.
16360 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16361 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16363 Lose 'G' modifier for call operand.
16364 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16365 recognize 'G' modifier.
16367 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16369 PR middle-end/18859
16370 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16371 * stmt.c (expand_case): Likewise.
16373 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16375 PR rtl-optimization/26254
16376 * loop-invariant.c (seq_insns_valid_p): New function.
16377 (move_invariant_reg): Only emit new code if it is valid.
16379 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16381 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16383 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16384 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16385 (commit_one_edge_insertion): Do not look for loop notes.
16387 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16389 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16390 flag_test_coverage out of loop.
16392 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16394 * final.c (shorten_branches): Remove outdated comment, and turn
16395 the if branch that guards it to continue.
16397 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16399 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16400 * cfgloop.h (struct loop): Remove unused fields.
16402 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16404 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16405 (-dL, -fdump-rtl-loop2): Update the dump file names
16407 * doc/invoke.texi: Update dump file names.
16409 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16411 * predict.c (estimate_probability): Remove.
16412 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16413 * basic-block.h (estimate_probability): Remove prototype.
16414 * passes.c (finish_optimization_passes): Dump branch prediction or
16415 profiling heuristics to the .profile tree dump.
16416 (init_optimization_passes): Unqueue pass_branch_prob.
16418 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16420 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16422 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16423 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16425 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16427 * function.h (frame_offset_overflow): Declare.
16428 * function.c (frame_offset_overflow): New function.
16429 (assign_stack_local_1): Call it to detect that the offset overflows.
16430 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16432 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16434 * config/sh/sh.c: Include alloc-pool.h.
16435 (label_ref_list_pool): New alloc pool.
16436 (label_ref_list_t): New type for lists of labels.
16437 (struct pool_node): Make wend a label_ref_list_t.
16438 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16440 (dump_table): Likewise.
16441 (sh_reorg): Set up the alloc pool before using add_constant and
16442 dump_table, and destroy it when finishing.
16444 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16446 * config/mips/mips.c: Remove redundant comment.
16448 2006-03-10 Jason Merrill <jason@redhat.com>
16451 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16452 the target was declared 'register'.
16454 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16456 * genpreds.c (write_insn_constraint_len): Change definition of
16457 insn_constraint_len to return size_t to match the declaration.
16459 2006-03-10 DJ Delorie <dj@redhat.com>
16461 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16463 (m32c_expand_insv): Fix test for an AND mask.
16465 2006-03-10 Richard Guenther <rguenther@suse.de>
16467 PR middle-end/26565
16468 * builtins.c (get_pointer_alignment): Handle component
16469 references for field alignment.
16471 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16473 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16474 when building with libgloss.
16475 (sh*elf): Implement --without-fp option.
16476 (sh64-superh-linux*): Don't multilib.
16478 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16480 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16482 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16484 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16485 Set it when one of the replacement functions returned true.
16486 Return TODO_cleanup_cfg if cfgchanged is true.
16487 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16489 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16491 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16492 instead of gen_lowpart.
16494 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16496 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16498 (mips_output_order_conditional_branch): Declare.
16499 * config/mips/mips.h (MIPS_BRANCH): New macro.
16500 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16501 for the comparison. Use gen_condjump.
16502 (mips_output_conditional_branch): Rework interface to take the
16503 asm templates for a direct branch and the inverse of a direct branch.
16504 (mips_output_order_conditional_branch): New function.
16505 (mips_builtin_branch_and_move): New function.
16506 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16507 branch condition. Use gen_single_cc as the condition for
16508 __builtin_mips_upper_* or __builtin_mips_lower_*.
16509 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16510 Use VOIDmode for the branch condition.
16511 * config/mips/predicates.md (order_operator): New predicate.
16512 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16513 (branch_fp): Rename to...
16514 (*branch_fp): ...this. Remove mode from comparison operator.
16515 Use new mips_output_conditional_branch interface.
16516 (branch_fp_inverted): Rename to...
16517 (*branch_fp_inverted): ...this and update as for *branch_fp.
16518 (*branch_zero<mode>): Rename to...
16519 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16520 Use mips_output_order_conditional_branch. Only accept ordered
16522 (*branch_zero<mode>_inverted): Rename to...
16523 (*branch_order<mode>_inverted): ...this and update as for
16524 *branch_order<mode>.
16525 (*branch_equality<mode>): Accept zero as the second operand to
16526 the equality operator. Use the new mips_output_conditional_branch
16528 (*branch_equality<mode>_inverted): Likewise.
16529 (condjump): New expander.
16530 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16532 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16533 (bc1any2t, bc1any2f): Likewise.
16534 (single_cc): New expander.
16535 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16537 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16539 * doc/md.texi: Update documentation of MIPS constraints.
16540 * config/mips/constraints.md: New file.
16541 * config/mips/mips.md: Include it.
16542 * config/mips/mips.c (mips_char_to_class): Delete.
16543 (override_options): Don't initialize mips_char_to_class.
16544 * config/mips/mips.h (mips_char_to_class): Delete.
16545 (REG_CLASS_FROM_LETTER): Delete.
16546 (CONST_OK_FOR_LETTER_P): Delete.
16547 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16548 (EXTRA_CONSTRAINT_Y): Delete.
16549 (EXTRA_CONSTRAINT_STR): Delete.
16550 (CONSTRAINT_LEN): Delete.
16551 (EXTRA_MEMORY_CONSTRAINT): Delete.
16553 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16555 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16556 original fn's eh regions.
16558 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16560 * fold-const.c (build_range_check): Make sure to use a valid type to
16561 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16564 (range_predecessor): New static function.
16565 (range_successor): Likewise.
16566 (merge_ranges): Use them to compute predecessors and successors of
16569 2006-03-09 Roger Sayle <roger@eyesopen.com>
16571 PR middle-end/26561
16572 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16573 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16575 2006-03-08 DJ Delorie <dj@redhat.com>
16577 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16578 (addpsi3): Expand to include memory operands. Remove
16579 reload-specific splits.
16580 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16581 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16582 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16583 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16584 (shift1_qi, shift1_hi, insv): New.
16585 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16586 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16587 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16589 * config/m32c/m32c-protos.h: Update as needed.
16590 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16591 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16592 Fail for unrecognized R* constraints.
16593 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16594 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16595 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16597 (m32c_init_libfuncs): New.
16598 (m32c_legitimate_address_p): Add debug wrapper.
16599 (m32c_rtx_costs): New.
16600 (m32c_address_cost): New.
16601 (conversions): Add 'B' prefix.
16602 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16603 operands, or word regnames for QI operands. 'B' prints bit
16605 (m32c_expand_setmemhi): New.
16606 (m32c_expand_movmemhi): New.
16607 (m32c_expand_movstr): New.
16608 (m32c_expand_cmpstr): New.
16609 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16610 (m32c_expand_neg_mulpsi3): Handle non-ints.
16611 (m32c_cmp_flg_0): New.
16612 (m32c_expand_movcc): New.
16613 (m32c_expand_insv): New.
16614 (m32c_scc_pattern): New.
16615 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16616 a0/a1 out of SIregs.
16617 (STORE_FLAG_VALUE): New.
16618 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16621 * config/m32c/mov.md: Make constraints more liberal.
16622 (zero_extendqihi2): Optimize r0/r1 case.
16623 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16624 * config/m32c/predicates.md (m32c_any_operand): New.
16625 (m32c_nonimmediate_operand): New.
16626 (m32c_hl_operand): New.
16627 (m32c_r3_operand): New.
16630 (memsym_operand): New.
16631 (memimmed_operand): New.
16632 (a_qi_operand): New.
16633 (m32c_eqne_operator): New.
16634 (m32c_1bit8_operand): New.
16635 (m32c_1bit16_operand): New.
16636 (m32c_1mask8_operand): New.
16637 (m32c_1mask16_operand): New.
16638 * config/m32c/blkmov.md: New file.
16639 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16641 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16643 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16644 unsigned to fix signed/unsigned comparison issue in
16645 DWARF2_FRAME_REG_OUT.
16646 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16647 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16649 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16650 of ptr into the ENABLE_CHECKING section.
16652 2006-03-08 Jeff Law <law@redhat.com>
16654 * tree-vrp.c (infer_value_range): Only count pointer uses
16655 and dereferences if -fdelete-null-pointer-checks is enabled.
16657 * tree-vrp.c (find_assert_locations): Infer value ranges for
16658 single use pointers, but do not create ASSERT_EXPRs for them.
16659 When a non-null range is inferred for a pointer, backwards
16660 propagate that range to other equivalent pointers through the
16663 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16666 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16667 language hook targets.
16668 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16669 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16670 if language hook targets were missing.
16672 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16674 * tree-ssa-opfinalize.h: Removed.
16675 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16677 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16678 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16679 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16680 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16681 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16682 finalize_ssa_v_must_def_ops): New.
16684 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16686 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16687 block as parameter.
16689 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16691 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16693 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16694 addresses with offsets; reorganize.
16696 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16697 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16698 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16700 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16703 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16705 2006-03-08 Ben Elliston <bje@au.ibm.com>
16707 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16709 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16712 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16715 2006-03-07 Richard Guenther <rguenther@suse.de>
16717 PR tree-optimization/26587
16718 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16720 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16722 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16724 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16726 * hooks.c (hook_bool_mode_rtx_true): New function.
16727 * hooks.h (hook_bool_mode_rtx_true): Declare.
16728 * toplev.c (compile_file): Call output_shared_constant_pool.
16729 * varasm.c (shared_constant_pool): New variable.
16730 (assemble_start_function, assemble_end_function): Remove arguments
16731 from call to output_constant_pool.
16732 (create_constant_pool): New function, split out from...
16733 (init_varasm_status): ...here.
16734 (force_const_mem): Choose between the shared and per-function constant
16735 pools. Set current_function_uses_const_pool when reusing old entries
16736 as well as when creating new ones.
16737 (mark_constant): Ignore data argument.
16738 (mark_constants): Remove pool argument.
16739 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16740 to decide whether the function uses a constant pool.
16741 (output_constant_pool_contents): New function, split out from...
16742 (output_constant_pool): ...here.
16743 (output_shared_constant_pool): New function.
16744 (init_varasm_once): Initialize shared_constant_pool.
16745 * output.h (output_constant_pool): Delete.
16746 (output_shared_constant_pool): Declare.
16747 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16748 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16750 2006-03-06 Nick Clifton <nickc@redhat.com>
16752 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16753 flag_strength_reduce.
16755 2006-03-06 Ben Elliston <bje@au.ibm.com>
16757 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16758 x86_64-*-linux* configurations.
16760 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16761 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16763 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16765 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16767 * basic-block.h: Remove the extern for
16768 rediscover_loops_after_threading.
16770 * cfgloop.c (cancel_loop): Make it static.
16771 * cfgloop.h: Remove the prototype for cancel_loop.
16773 * flow.c (recompute_reg_usage): Make it static.
16774 * rtl.h: Remove the prototype for recompute_reg_usage.
16776 * function.c (use_return_register): Make it static.
16777 * function.h: Remove the prototype.
16779 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16781 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16783 * recog.h: Remove the prototype for
16784 validate_change_maybe_volatile.
16786 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16788 * rtlanal.c (replace_reg): Remove.
16789 * rtl.h: Remove the prototype for replace_reg.
16791 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16793 * regclass.c (reg_scan_update): Remove.
16794 (reg_scan_mark_refs): Remove the last argument.
16795 * rtl.h: Remove the prototype for reg_scan_update.
16797 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16799 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16800 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16801 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16802 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16803 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16804 loop-invariant.c, omp-low.c, opts.c, passes.c,
16805 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16806 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16807 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16808 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16809 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16810 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16812 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16814 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16815 * dwarf2out.h: Remove the prototype for
16816 dwarf2out_add_library_unit_info.
16818 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16820 * tree.c (add_var_to_bind_expr): Remove.
16821 * tree.h: Remove the prototype for add_var_to_bind_expr.
16823 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16825 * regclass.c (n_non_fixed_regs): Remove.
16826 (init_reg_sets_1, globalize_reg): Remove all uses of
16828 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16830 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16832 * rtlanal.c (insns_safe_to_move_p): Remove.
16833 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16837 * expmed.c (expand_mult_add): Remove.
16838 * expr.h: Remove the prototype for expand_mult_add.
16840 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16842 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16843 and REG_SAVED_VAL_EXP constants.
16844 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16845 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16846 Handle regs stored by value.
16847 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16848 (execute_cfa_program): Handle DW_CFA_val_offset,
16849 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16850 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16851 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16852 (uw_install_context_1): Handle target regs stored by value.
16854 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16856 * tree-sra.c (tree_sra): Return todoflags;
16857 (generate_one_element): Set TODO_update_smt_usage if needed.
16858 (pass_sra): Remove TODO_update_smt_usage.
16859 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16861 (tree_ssa_forward_propagate_single_use_vars): Return
16862 TODO_update_smt_usage if we need to update SMT usage.
16863 (pass_forwprop): Remove TODO_update_smt_usage.
16865 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16867 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16868 (correct_use_link): Remove reference to get_stmt_operands.
16869 (update_stmt_operands): Likewise.
16870 (get_modify_expr_operands): New function factored out of
16871 parse_ssa_operands and get_expr_operands.
16872 Try to create V_MUST_DEFs for LHS by default.
16873 (get_expr_operands) <case MODIFY_EXPR>: Call
16874 get_modify_expr_operands.
16875 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16876 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16877 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16878 get_modify_expr_operands.
16880 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16882 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16883 * tree-flow.h: Remove the prototype for
16884 referenced_var_lookup_if_exists.
16886 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16888 PR rtl-optimization/26345
16890 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16892 2006-03-03 Roger Sayle <roger@eyesopen.com>
16894 PR tree-optimization/26524
16895 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16896 fold_convert to create a constant of the appropriate type.
16898 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16900 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16901 SYMBOL_REF_IN_BLOCK_P.
16902 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16903 of SYMBOL_FLAG_IN_BLOCK.
16904 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16905 instead of SYMBOL_REF_IN_BLOCK_P.
16906 * explow.c (use_anchored_address): Likewise.
16907 * rtl.c (rtx_size): Likewise.
16908 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16909 instead of SYMBOL_FLAG_IN_BLOCK.
16910 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16911 SYMBOL_REF_IN_BLOCK_P.
16912 (assemble_variable): Likewise.
16913 (output_constant_def_contents): Likewise.
16914 (output_constant_pool): Likewise.
16915 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16916 instead of SYMBOL_FLAG_IN_BLOCK.
16917 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16918 SYMBOL_REF_IN_BLOCK_P.
16919 (SYMBOL_REF_BLOCK): Likewise.
16920 (SYMBOL_REF_OFFSET): Likewise.
16921 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16922 SYMBOL_REF_IN_BLOCK_P.
16923 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16924 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16925 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16926 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16928 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16930 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16932 2006-03-02 Roger Sayle <roger@eyesopen.com>
16934 * simplify-rtx.c (simplify_unary_operation): When simplifying
16935 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16936 that we perform the right shift in the appropriate mode, and
16937 then extend or truncate the result to requested mode.
16939 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16941 * gengtype.c (main): Handle double_int type.
16942 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16943 * double-int.c: New file.
16944 * double-int.h: New file.
16945 * system.h: Include doubleint.h.
16946 * Makefile.in (SYSTEM_H): Include double-int.h.
16947 (double-int.o): Add.
16949 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16952 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16955 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16957 * tree-vrp.c (remove_range_assertions): Do not update statements
16960 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16962 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16964 * gcse.c (rest_of_handle_gcse): Ditto.
16965 * except.c (gate_handle_eh): Ditto.
16966 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16967 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16969 2006-03-02 Eric Christopher <echristo@apple.com>
16971 * config/i386/i386.c (machopic_output_stub): Add indirection to
16974 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16978 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16980 Sun Niagara specific optimizations.
16981 * config.gcc: Recognize niagara as target.
16982 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16983 (TARGET_CPU_niagara): Define.
16984 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16985 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16986 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16987 (ASM_CPU_SPEC): Likewise.
16988 (PROCESSOR_NIAGARA): New enum entry.
16989 (REGISTER_MOVE_COST): Handle Niagara.
16990 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16991 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16992 (sparc_override_options): Recognize "niagara", set appropriate
16993 default MASK_* values for it, and align functions to 32-bytes
16994 by default just like ULTRASPARC/ULTRASPARC3.
16995 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16996 (sparc64_initialize_trampoline): Likewise.
16997 (sparc_use_sched_lookahead): Use zero for niagara.
16998 (sparc_issue_rate): Use one for niagara.
16999 * config/sparc/niagara.md: New file.
17000 * config/sparc/sparc.md: Include it.
17001 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17002 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17003 when default cpu is niagara.
17004 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17005 (ASM_CPU_SPEC): Likewise.
17006 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17007 when default cpu is niagara.
17008 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17009 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17010 just like v9/ultrasparc/ultrasparc3.
17011 * doc/invoke.texi: Add documentation for "niagara" and improve
17012 existing documentation for ultrasparc variants.
17014 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17016 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17018 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17020 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17021 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17022 and say that only one is needed.
17023 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17024 * target.h (have_switchable_bss_sections): New hook.
17025 * explow.c (use_anchored_address): Check that the symbol is in a block.
17026 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17027 (bss_noswitch_section): New variables.
17028 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17029 (get_noswitch_section): New function.
17030 (get_block_for_section): Allow SECT to be null.
17031 (unlikely_text_section_p): Use SECTION_STYLE.
17032 (bss_initializer_p): New function.
17033 (get_variable_section): Move earlier in file. Take a new argument,
17034 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17035 Return one of the new *_sections in such cases.
17036 (get_block_for_decl): New function, extracting some logic from
17037 use_blocks_for_decl_p.
17038 (change_symbol_section): Remove in favor of...
17039 (change_symbol_block): ...this new function.
17040 (use_blocks_for_decl_p): Remove checks now performed by
17041 get_block_for_decl.
17042 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17043 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17044 (emit_local, emit_bss, emit_common): ...these new functions.
17045 Return true if the alignment was honored.
17046 (emit_tls_common): New function.
17047 (asm_emit_uninitialised): Delete.
17048 (assemble_variable_noswitch): New function, split out from...
17049 (assemble_variable): ...here. Don't make decisions about common
17050 variables here. Globalize all public decls that go into non-common
17051 sections. Check whether SYMBOL_REF_BLOCK is null.
17052 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17053 (output_constant_pool): Likewise.
17054 (init_varasm_once): Initialize the new section variables.
17055 (have_global_bss_p): New function.
17056 (categorize_decl_for_section): Use bss_initializer_p.
17057 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17058 (place_block_symbol): Assert that the symbol must be in a block.
17059 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17060 (TARGET_INITIALIZER): Include it.
17061 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17062 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17063 (SECTION_MACH_DEP): Bump by two.
17064 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17065 (unnamed_section): Mention SECTION_UNNAMED in comment.
17066 (named_section): Likewise SECTION_NAMED.
17067 (noswitch_section_callback): New type.
17068 (noswitch_section): New structure.
17069 (section): Add a noswitch_section alternative.
17070 (SECTION_STYLE): New macro.
17071 (tls_comm_section, comm_section, lcomm_section): Declare.
17072 (bss_noswitch_section, have_global_bss_p): Declare.
17073 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17074 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17076 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17077 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17080 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17082 * tree-vrp.c (execute_vrp): Return value.
17083 * regrename.c (rest_of_handle_regrename): Ditto.
17084 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17085 * tree-complex.c (tree_lower_complex): Ditto.
17086 (tree_lower_complex_O0): Ditto.
17087 * tracer.c (rest_of_handle_tracer): Ditto.
17088 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17089 * postreload.c (rest_of_handle_postreload): Ditto.
17090 * tree-tailcall.c (execute_tail_recursion): Ditto.
17091 (execute_tail_calls): Ditto.
17092 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17093 * tree.h (init_function_for_compilation): Ditto.
17094 * ipa-cp.c (ipcp_driver): Ditto.
17095 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17096 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17097 * final.c (compute_alignments): Ditto.
17098 (rest_of_handle_final): Ditto.
17099 (rest_of_handle_shorten_branches): Ditto.
17100 (rest_of_clean_state): Ditto.
17101 * omp-low.c (execute_expand_omp): Ditto.
17102 (execute_lower_omp): Ditto.
17103 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17104 * ipa-reference.c (static_execute): Ditto.
17105 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17106 * reorg.c (rest_of_handle_delay_slots): Ditto.
17107 (rest_of_handle_machine_reorg): Ditto.
17108 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17109 * flow.c (recompute_reg_usage): Ditto.
17110 (rest_of_handle_remove_death_notes): Ditto.
17111 (rest_of_handle_life): Ditto.
17112 (rest_of_handle_flow2): Ditto.
17113 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17114 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17115 (do_ssa_store_ccp): Ditto.
17116 (execute_fold_all_builtins): Ditto.
17117 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17118 * modulo-sched.c (rest_of_handle_sms): Ditto.
17119 * ipa-pure-const.c (static_execute): Ditto.
17120 * cse.c (rest_of_handle_cse): Ditto.
17121 (rest_of_handle_cse2): Ditto.
17122 * web.c (rest_of_handle_web): Ditto.
17123 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17124 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17125 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17126 * tree-nrv.c (tree_nrv): Ditto.
17127 (execute_return_slot_opt): Ditto.
17128 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17129 (create_structure_vars): Ditto.
17130 * loop-init.c (rtl_loop_init): Ditto.
17131 (rtl_loop_done): Ditto.
17132 (rtl_move_loop_invariants): Ditto.
17133 (rtl_unswitch): Ditto.
17134 (rtl_unroll_and_peel_loops): Ditto.
17135 (rtl_doloop): Ditto.
17136 * gimple-low.c (lower_function_body): Ditto.
17137 (mark_used_blocks): Ditto.
17138 * tree-ssa-sink.c (execute_sink_code): Ditto.
17139 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17140 (cgraph_early_inlining): Ditto.
17141 * global.c (rest_of_handle_global_alloc): Ditto.
17142 * jump.c (cleanup_barriers): Ditto.
17143 (purge_line_number_notes): Ditto.
17144 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17145 (rest_of_handle_if_after_reload): Ditto.
17146 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17147 (tree_ssa_loop_im): Ditto.
17148 (tree_ssa_loop_unswitch): Ditto.
17149 (tree_vectorize): Ditto.
17150 (tree_linear_transform): Ditto.
17151 (tree_ssa_loop_ivcanon): Ditto.
17152 (tree_ssa_empty_loop): Ditto.
17153 (tree_ssa_loop_bounds): Ditto.
17154 (tree_complete_unroll): Ditto.
17155 (tree_ssa_loop_prefetch): Ditto.
17156 (tree_ssa_loop_ivopts): Ditto.
17157 (tree_ssa_loop_done): Ditto.
17158 * predict.c (tree_estimate_probability): Ditto.
17159 * recog.c (split_all_insns_noflow): Ditto.
17160 (rest_of_handle_peephole2): Ditto.
17161 (rest_of_handle_split_all_insns): Ditto.
17162 * tree-eh.c (lower_eh_constructs): Ditto.
17163 * regmove.c (rest_of_handle_regmove): Ditto.
17164 (rest_of_handle_stack_adjustments): Ditto.
17165 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17166 * function.c (instantiate_virtual_regs): Ditto.
17167 (init_function_for_compilation): Ditto.
17168 (rest_of_handle_check_leaf_regs): Ditto.
17169 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17170 (rest_of_handle_gcse): Ditto.
17171 * ipa-type-escape.c (type_escape_execute): Ditto.
17172 * alias.c (rest_of_handle_cfg): Ditto.
17173 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17174 * profile.c (rest_of_handle_branch_prob): Ditto.
17175 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17176 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17177 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17178 * tree-dfa.c (find_referenced_vars): Ditto.
17179 * except.c (set_nothrow_function_flags): Ditto.
17180 (convert_to_eh_region_ranges): Ditto.
17181 (rest_of_handle_eh): Ditto.
17182 * emit-rtl.c (unshare_all_rtl): Ditto.
17183 (remove_unnecessary_notes): Ditto.
17184 * except.h (set_nothrow_function_flags): Ditto.
17185 (convert_to_eh_region_ranges): Ditto.
17186 * cfgexpand.c (tree_expand_cfg): Ditto.
17187 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17188 * tree-ssa-pre.c (do_pre): Ditto.
17189 (execute_fre): Ditto.
17190 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17191 (rest_of_handle_jump2): Ditto.
17192 * tree-sra.c (tree_sra): Ditto.
17193 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17194 (execute_mudflap_function_decls): Ditto.
17195 * tree-ssa-copy.c (do_copy_prop): Ditto.
17196 (do_store_copy_prop): Ditto.
17197 * ipa-prop.h (ipcp_driver): Ditto.
17198 * cfglayout.c (insn_locators_initialize): Ditto.
17199 * tree-ssa-forwprop.c
17200 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17201 * cfglayout.h (insn_locators_initialize): Ditto.
17202 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17203 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17204 (execute_late_warn_uninitialized): Ditto.
17205 * rtl.h (cleanup_barriers): Ditto.
17206 (split_all_insns_noflow): Ditto.
17207 (purge_line_number_notes): Ditto.
17208 (unshare_all_rtl): Ditto.
17209 (remove_unnecessary_notes): Ditto.
17210 (recompute_reg_usage): Ditto.
17211 (variable_tracking_main): Ditto.
17212 * integrate.c (emit_initial_value_sets): Ditto.
17213 * integrate.h (emit_initial_value_sets): Ditto.
17214 * tree-optimize.c (execute_free_datastructures): Ditto
17215 (execute_free_cfg_annotations): Ditto.
17216 (execute_fixup_cfg): Ditto.
17217 (execute_cleanup_cfg_pre_ipa): Ditto.
17218 (execute_cleanup_cfg_post_optimizing): Ditto.
17219 (execute_init_datastructures): Ditto.
17220 * tree-object-size.c (compute_object_sizes): Ditto.
17221 * combine.c (rest_of_handle_combine): Ditto.
17222 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17223 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17224 (rest_of_handle_reorder_blocks): Ditto.
17225 (rest_of_handle_partition_blocks): Ditto.
17226 * var-tracking.c (variable_tracking_main): Ditto.
17227 * tree-profile.c (tree_profiling): Ditto.
17228 * tree-vect-generic.c (expand_vector_operations): Ditto.
17229 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17230 * sched-rgn.c (rest_of_handle_sched): Ditto.
17231 (rest_of_handle_sched2): Ditto.
17232 * basic-block.h (free_bb_insn): Ditto.
17233 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17234 * tree-cfg.c (execute_build_cfg): Ditto.
17235 (remove_useless_stmts): Ditto.
17236 (split_critical_edges): Ditto.
17237 (execute_warn_function_return): Ditto.
17238 (execute_warn_function_noreturn): Ditto.
17239 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17240 * cfgrtl.c (free_bb_for_insn): Ditto.
17241 * passes.c (execute_one_pass): Run additional
17242 todos returned by execute function.
17243 * tree-pass.h (struct tree_opt_pass): Make execute
17246 2006-03-02 Richard Guenther <rguenther@suse.de>
17248 * tree-ssa-alias.c (find_used_portions): Consider taking
17249 the address as making the variable not write-only.
17251 2006-03-02 Nick Clifton <nickc@redhat.com>
17253 * config.gcc (default_use_cxa_atexit): Extend the description of
17254 this configure variable. Set its default value to "yes" for
17255 Linux, NetBSD and ELF targets on the assumption that they will
17256 use C libraries with the __cxa_atexit function.
17258 2006-03-02 Ben Elliston <bje@au.ibm.com>
17260 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17261 parameter as unused to suppress a build warning.
17263 2006-03-02 Ben Elliston <bje@au.ibm.com>
17265 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17268 2006-03-01 Roger Sayle <roger@eyesopen.com>
17271 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17272 declared name, the weak reference name, and the typeof name.
17273 (__gthrw): Avoid expanding the declared name suffix.
17274 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17276 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17278 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17280 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17281 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17282 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17283 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17284 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17285 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17286 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17287 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17288 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17289 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17290 (DW_END_default, DW_END_big, DW_END_little): New.
17291 (DW_END_lo_user, DW_END_hi_user): Define.
17292 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17293 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17294 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17297 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17299 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17301 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17303 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17305 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17307 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17308 to 'symbol_mem_tag'.
17310 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17313 2006-03-01 Roger Sayle <roger@eyesopen.com>
17315 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17317 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17320 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17321 MACHO_DYNAMIC_NO_PIC_P.
17322 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17324 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17327 * config/darwin-protos.h (darwin_asm_output_anchor):
17329 * config/darwin-sections.def (cstring_section):
17330 Add SECTION_MERGE to the flags.
17331 (literal4_section): Likewise.
17332 (literal8_section): Likewise.
17333 (objc_selector_refs_section): Likewise.
17334 (objc_cls_refs_section): Likewise.
17335 * config/darwin.c (darwin_asm_output_anchor): New
17337 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17339 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17341 Fix PR tree-optimization/26443
17342 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17343 to todo and PROP_tmt_usage to properties_destroyed.
17344 * tree-ssa-ccp.c (pass_ccp): Ditto.
17345 (pass_store_ccp): Ditto.
17346 * tree-ssa-dom.c (pass_dominator): Ditto.
17348 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17350 * tree-ssa-operands.c: Cleanup whitespace.
17351 (get_asm_expr_operands): Move before first invocation.
17352 (get_indirect_ref_operands): Likewise.
17353 (get_tmr_operands): Likewise.
17354 (get_call_expr_operands): Likewise.
17355 (append_def): Likewise.
17356 (append_use): Likewise.
17357 (append_v_may_def): Likewise.
17358 (append_v_must_def): Likewise.
17359 (add_call_clobber_ops): Likewise.
17360 (add_call_read_ops): Likewise.
17361 (add_stmt_operand): Likewise.
17362 (add_virtual_operand): Likewise.
17363 (build_ssa_operands): Likewise.
17365 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17367 PR middle-end/26022
17369 PR middle-end/24437
17370 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17371 with a call expr to ...
17372 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17374 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17376 * tree-vrp.c (extract_range_from_assert): Remove special
17377 handling for types with super-types.
17379 2006-03-01 Ben Elliston <bje@au.ibm.com>
17381 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17382 and powerpc64-*-linux* configurations.
17383 * config/t-dfprules: New file.
17385 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17386 Compile dfp-bit.c from the source directory using -DWIDTH and
17387 $DFP_CFLAGS to control the compilation of that file, rather than
17388 generating width-specific versions in the build directory.
17389 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17390 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17392 2006-02-28 Zack Weinberg <zackw@panix.com>
17394 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17397 2006-02-28 Eric Christopher <echristo@apple.com>
17399 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17400 Set up IN_LIBGCC definition of TARGET_64BIT.
17401 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17403 2006-02-28 Roger Sayle <roger@eyesopen.com>
17405 PR middle-end/14752
17406 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17407 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17408 cases via the construction of "expr != 0".
17410 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17412 * alias.c (alias_invariant, alias_invariant_size): Remove.
17413 (record_base_value): Remove.
17414 (memrefs_conflict_p): Don't look at alias_invariant.
17415 (end_alias_analysis): Don't free it.
17416 * alias.h (record_base_value): Remove prototype.
17418 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17419 Adam Nemet <anemet@caviumnetworks.com>
17421 * rtl.h (truncated_to_mode): Declare it.
17422 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17423 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17424 (RTL_HOOKS_INITIALIZER): Include it.
17425 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17426 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17427 reg_truncated_to_mode.
17428 * rtlanal.c (truncated_to_mode): Define it.
17429 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17431 2006-02-28 Jeff Law <law@redhat.com>
17433 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17434 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17435 the range allowed by TYPE_PRECISION.
17437 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17439 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17441 PR tree-optimization/26419
17442 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17445 2006-02-27 Zack Weinberg <zackw@panix.com>
17447 * doc/md.texi: Fix typo in previous change.
17449 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17453 2006-02-27 Zack Weinberg <zackw@panix.com>
17455 * rtl.def (define_constraint, define_register_constraint)
17456 (define_memory_constraint, define_address_constraint): New MD forms.
17457 * gensupport.c (process_rtx): Put define_constraint etc on the
17459 * genpreds.c (process_define_predicate): Adjust comment. Validate
17460 the name, and call validate_exp to validate the expression.
17461 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17462 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17463 all callers changed.
17464 (validate_exp, needs_variable, struct constraint_data)
17465 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17466 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17467 (const_dbl_constraints, constraint_max_namelen)
17468 (have_register_constraints, have_memory_constraints)
17469 (have_address_constraints, have_address_constraints)
17470 (have_extra_constraints, have_const_int_constraints)
17471 (have_const_dbl_constraints, mangle, add_constraint)
17472 (process_define_constraint, process_define_register_constraint)
17473 (write_enum_constraint_num, write_lookup_constraint)
17474 (write_insn_constraint_len, write_regclass_for_constraint)
17475 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17476 (write_insn_extra_memory_constraint)
17477 (write_insn_extra_address_constraint)
17478 (write_satisfies_constraint_fns): New.
17479 (write_tm_preds_h): If we have new-style constraint definitions,
17480 prototype the functions generated from them, and define the
17481 old constraint interface (still used by generic code) in terms of
17483 (write_insn_preds_c): If we have new-style constraint definitions,
17484 generate all relevant functions from those definitions.
17485 (main): Handle define_constraint etc.
17486 * genoutput.c (struct constraint_data, indep_constraints)
17487 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17488 (mdep_constraint_len): New data structures and functions, defined
17489 #ifdef USE_MD_CONSTRAINTS.
17490 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17491 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17492 use new logic to validate operand constraints against constraint
17494 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17496 * defaults.h: If none of the old-style constraint macros are
17497 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17498 old-style macros; and poison REG_CLASS_FROM_LETTER,
17499 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17501 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17502 * doc/md.texi: Document new constraint-definition mechanism and the
17503 C interface it provides. Remove references to old mechanism
17504 elsewhere in the document.
17505 (Machine Constraints): Use pathnames relative to gcc directory,
17506 i.e. config/ARCH/FILE. Change i386 section to refer to
17507 config/i386/predicates.md; update that section to match docstrings.
17508 * doc/tm.texi: Move all documentation of the old constraint-
17509 definition macros to their own section, clearly mark as obsolete.
17511 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17512 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17514 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17515 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17516 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17517 constraint strings.
17518 (splits and peepholes): Use satisfies_constraint_*.
17519 * config/i386/i386.c (memory_address_length)
17520 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17522 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17524 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17525 scalar operation to be put back into the loop.
17527 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17530 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17531 (extract_cie_info): Handle S flag in augmentation string.
17532 (execute_cfa_program): If context->signal_frame, execute also
17533 fs->pc == context->ra instructions.
17534 (uw_frame_state_for): If context->signal_frame, don't subtract one
17535 from context->ra to find FDE.
17536 (uw_update_context_1): Set context->signal_frame to
17538 (_Unwind_GetIPInfo): New function.
17539 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17540 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17542 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17543 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17544 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17545 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17546 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17547 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17548 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17549 x86_64_fallback_frame_state): Set fs->signal_frame.
17550 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17551 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17552 (frob_update_context): Likewise. Workaround missing S flag in
17553 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17554 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17555 Remove the psw_addr + 1 hack.
17557 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17559 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17560 with aggregates here.
17561 (find_func_aliases): Remove code for &<aggregate> from here.
17563 2006-02-26 Roger Sayle <roger@eyesopen.com>
17565 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17566 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17567 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17568 as (X & C) ne/eq 0.
17570 2006-02-26 Roger Sayle <roger@eyesopen.com>
17572 PR middle-end/19983
17573 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17575 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17577 * opts.c (decode_options): Do not handle flag_strength_reduce.
17578 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17579 and OPT_fstrength_reduce.
17580 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17581 flag_prefetch_loop_arrays for being nonzero.
17582 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17584 (fprefetch-loop-arrays-rtl): Removed.
17585 (flag_prefetch_loop_arrays): Do not specify the value.
17587 * doc/passes.texi: Update documentation of loop optimizer
17589 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17590 -frerun-loop-opt): Remove.
17592 2006-02-26 Richard Guenther <rguenther@suse.de>
17594 PR tree-optimization/26421
17595 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17596 in function calls that are ADDR_EXPRs as using the whole structure.
17598 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17600 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17601 * tree-pass.h (pass_loop_optimize): Remove.
17602 * passes.c (pass_loop_optimize): Never run it.
17603 * toplev.c (backend_init): Don't call init_loop.
17604 * opts.c (flag_loop_optimize_set): Remove.
17605 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17606 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17607 the old RTL loop optimizer when profiling enabled.
17608 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17609 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17610 pre-headers for the sake of the old RTL loop optimizer.
17611 * Makefile.in: Remove all references to loop.o.
17613 * doc/invoke.texi: Remove all references to -floop-optimize
17614 and -frerun-loop-opt.
17616 2006-02-26 Zack Weinberg <zackw@panix.com>
17618 * doc/md.texi (Machine Constraints): Refer to all files with paths
17619 relative to gcc directory (i.e. config/CPU/file). Add missing
17620 @table @code ... @end table to M32C subsection.
17622 2006-02-26 Roger Sayle <roger@eyesopen.com>
17624 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17626 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17628 2006-02-26 Roger Sayle <roger@eyesopen.com>
17629 James A. Morrison <phython@gcc.gnu.org>
17631 PR middle-end/21137
17632 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17633 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17634 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17635 signedness of the shift operation.
17637 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17639 PR tree-optimization/26359
17640 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17642 2006-02-25 Roger Sayle <roger@eyesopen.com>
17644 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17645 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17646 as X == 0, and some symmetry related transformations.
17647 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17649 2006-02-25 Roger Sayle <roger@eyesopen.com>
17651 PR middle-end/23673
17652 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17653 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17654 symmetry related transformations. Fold (X^C1) == C2 as
17657 2006-02-25 Juergen Weigert <jw@suse.de>
17658 Richard Guenther <rguenther@suse.de>
17660 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17662 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17664 * combine.c (gen_lowpart_or_truncate): Call
17665 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17667 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17669 * doc/invoke.texi: Move -fopenmp description to "Options for
17671 Remove reference to -lgomp.
17673 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17675 * doc/install.texi: Require GNU tar version 1.14.
17677 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17679 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17680 * doc/invoke.texi (C++ Dialect Options): Document
17681 -fno-use-cxa-get-exception-ptr.
17682 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17683 * configure: Regenerate.
17684 * c.opt (fuse-cxa-get-exception-ptr): New.
17685 * c-opts.c (c_common_handle_option): Handle
17686 OPT_fuse_cxa_get_exception_ptr.
17687 * c-common.c (flag_use_cxa_atexit): Update documentation.
17688 (flag_use_cxa_get_exception_ptr): New.
17689 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17690 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17692 (C_COMMON_OVERRIDE_OPTIONS): New.
17694 2006-02-24 Roger Sayle <roger@eyesopen.com>
17696 PR middle-end/24952
17697 * combine.c (try_combine): Explicitly check whether GET_CODE is
17698 a SET or a CLOBBER, instead on checking that it isn't a USE.
17700 2006-02-24 Roger Sayle <roger@eyesopen.com>
17702 * fold-const.c (fold_comparison): New subroutine of fold_binary
17703 containing transformations common to both the equality and
17704 ordering relational operators, factored out of fold_binary.
17705 (fold_binary): Separate out the equality operators (EQ_EXPR
17706 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17707 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17708 transformations common to both.
17709 (fold_div_compare): Fix latent bugs in the previously unreachable
17710 LT_EXPR and GE_EXPR cases.
17712 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17714 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17715 decl libname for clog to __clog on AIX.
17717 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17719 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17722 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17723 output traceback table for thunks. Localise rs6000_stack_info call.
17725 2006-02-23 Roger Sayle <roger@eyesopen.com>
17726 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17728 * gthr-posix.h (__gthrw): Fix typo in comment.
17730 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17732 * doc/cpp.texi (Character sets): Document that we do support
17733 input files to be in any character set.
17735 2006-02-23 Jeff Law <law@redhat.com>
17737 * tree.h (PHI_ARG_NONZERO): Remove.
17738 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17739 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17740 node to the new node.
17742 PR tree-optimization/26425
17743 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17744 min/max, then assume its varying.
17746 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17748 PR rtl-optimization/26316
17749 * rtlanal.c (enum may_trap_p_flags): New.
17750 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17751 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17752 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17753 (may_trap_after_code_motion_p): New function.
17754 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17755 (find_invariant_insn): Use may_trap_after_code_motion_p.
17756 * rtl.h (may_trap_after_code_motion_p): Declare.
17758 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17760 * emit-rtl.c (immed_double_const): Cleanup.
17762 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17764 Fix PR tree-optimization/26376
17765 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17768 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17770 PR middle-end/26412
17771 * gimplify.c (omp_add_variable): Guard variable size decl test with
17772 DECL_SIZE (decl) check.
17774 2006-02-23 Richard Guenther <rguenther@suse.de>
17776 PR middle-end/26439
17777 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17778 like aggregate types.
17780 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17782 * configure.ac: Add --with{,out}-long-double-128 configure option.
17783 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17784 * configure: Rebuilt.
17785 * config.in: Rebuilt.
17786 * doc/install.texi (Options specification): Document
17787 --with-long-double-128.
17789 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17790 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17791 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17792 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17794 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17796 * config/s390/s390.c (override_options): Handle
17797 TARGET_DEFAULT_LONG_DOUBLE_128.
17799 * config/alpha/alpha.c (override_options): Handle
17800 TARGET_DEFAULT_LONG_DOUBLE_128.
17802 * config/sparc/sparc.c (sparc_override_options): Handle
17803 TARGET_DEFAULT_LONG_DOUBLE_128.
17805 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17807 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17808 (real-install-headers-tar, real-install-headers-cpio)
17809 (real-install-headers-cp): New targets.
17811 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17813 * tree.h (variable_section): Delete.
17814 * varasm.c (variable_section): Delete.
17816 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17818 * install.texi: Add notes on install.texi2html.
17819 (Building in parallel): Do not use footnotes.
17821 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17824 * doc/install.texi (Configuration): Document --disable-libgomp.
17826 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17828 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17830 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17832 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17833 (vec_extractv2df_0_sse): New.
17835 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17837 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17838 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17839 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17840 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17841 to the result of the expression.
17842 (def_cfa_1): Adjust.
17843 (frame_pointer_cfa_offset): Rename to...
17844 (frame_pointer_fb_offset): ... this. Adjust all uses.
17845 (convert_cfa_to_loc_list): Rename to...
17846 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17847 Pass it on to build_cfa_loc.
17848 (compute_frame_pointer_to_cfa_displacement): Rename to...
17849 (compute_frame_pointer_to_fb_displacement): ... this. New
17850 offset parameter. Use it in computation.
17851 (gen_subprogram_die): Compute cfa_fb_offset with the new
17852 macro, and use it to compute the fb loc list and the
17855 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17857 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17858 replaced with register_operand.
17859 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17860 non-DREG is expensive.
17861 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17862 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17865 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17867 * doc/install.texi2html: Use set -e.
17869 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17871 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17872 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17873 * doc/invoke.texi (-fshared-data): Delete.
17874 * common.opt (fshared-data): Delete.
17875 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17876 (assemble_static_space): Remove #if 0 code.
17877 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17878 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17879 * config/cris/cris.h: Remove FIXME.
17881 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17883 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17886 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17888 PR middle-end/26379
17889 * combine.c (simplify_shift_const_1): Disable nested shifts
17890 optimization for vector shifts.
17892 2006-02-20 Roger Sayle <roger@eyesopen.com>
17894 PR tree-optimization/26361
17895 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17896 of unsigned integer types.
17898 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17900 * tree-chrec.c (eq_evolutions_p): New.
17901 * tree-chrec.h (eq_evolutions_p): Declared.
17902 * tree-data-ref.c: Fix formatting.
17903 (datadep_stats, dependence_stats): New.
17905 (print_direction_vector): New.
17906 (dump_data_dependence_relation): Use print_direction_vector.
17907 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17908 (compute_subscript_distance): Static.
17909 (initialize_data_dependence_relation): Static. Get the number
17910 of loops surrounding the references from the callers, and initialize
17911 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17912 base_object_differ_p analyzers.
17913 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17914 compute_overlap_steps_for_affine_1_2,
17915 analyze_subscript_affine_affine): Count the classified dependences.
17916 Print a message when a test failed.
17917 (can_use_analyze_subscript_affine_affine): New.
17918 (analyze_siv_subscript): Compute the data dependences on symbolic
17919 scevs that verify can_use_analyze_subscript_affine_affine.
17920 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17921 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17922 Handle symbolic scevs.
17923 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17925 (subscript_dependence_tester): Moved...
17926 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17927 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17928 DDR_SIZE_VECT instead of getting it in parameter.
17929 (subscript_dependence_tester): ... here. Take as a parameter
17930 loop_nest_depth. Call build_classic_dist_vector and
17931 build_classic_dir_vector.
17932 (compute_affine_dependence): Update subscript_dependence_tester
17933 parameters. Update datadep_stats counters. Call
17934 compute_subscript_distance.
17935 (compute_self_dependence): Save the dist and dir vectors. Call
17936 compute_subscript_distance.
17937 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17938 (compute_all_dependences): Reorder parameters as they were before
17939 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17940 compute_subscript_distance. Update the use of
17941 compute_affine_dependence and initialize_data_dependence_relation.
17942 (find_data_references_in_loop): Handle COMPONENT_REF.
17943 (compute_data_dependences_for_loop): Initialize dependence_stats.
17944 Don't call build_classic_dist_vector and build_classic_dir_vector.
17945 Update the parameters of initialize_data_dependence_relation and
17946 compute_all_dependences. Print the statistics from datadep_stats.
17947 (analyze_all_data_dependences): Static. Not used until the pass for
17948 checking the data dependences is contributed.
17949 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17950 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17951 (initialize_data_dependence_relation, compute_affine_dependence,
17952 analyze_all_data_dependences, compute_subscript_distance): Removed.
17953 (print_direction_vector): New.
17954 * lambda.h (gcd): ... here.
17955 (lambda_vector_gcd): Moved here from gcd_vector.
17956 * lambda-code.c (gcd, gcd_vector): Removed.
17957 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17958 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17960 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17962 * ipa-type-escape.c: Tidy some comments and white space.
17963 * tree-ssa-operands.c: Likewise.
17965 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17968 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17969 (dump_decl_name): Do not walk the decl tree chains.
17970 * tree-pass.h (TDF_CHAIN): Remove.
17972 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17974 * Makefile.in (C): Remove
17976 (.PHONY): Remove C and PROTO
17978 2006-02-20 Roger Sayle <roger@eyesopen.com>
17980 PR middle-end/26236
17981 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17982 deprecated CHAR_TYPE tree code.
17984 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17986 * configure.ac (target_list): Add install-info, dvi, html.
17987 * configure: Regenerate.
17989 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17990 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17991 treelang/Make-lang.in: Do not use double-colon rules.
17993 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17995 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17996 (TMT_USED_ALONE): New macro.
17997 * tree-pass.h (PROP_tmt_usage): New property.
17998 (TODO_update_tmt_usage): New todo.
17999 * tree-ssa-alias.c (updating_used_alone): New variable.
18000 (recalculate_used_alone): New function.
18001 (compute_may_aliases): Set updating_used_alone, call
18002 recalculate_used_alone.
18003 * tree-sra.c (pass_sra): Note that this pass destroys
18004 PROP_tmt_usage, and add TODO_update_tmt_usage.
18005 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18006 * tree-flow.h (updating_used_alone): Prototype.
18007 (recalculate_used_alone): Ditto.
18008 * passes.c (execute_todo): Add code to set updating_used_alone,
18009 and call recalculate.
18010 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18011 for clobber if used alone, and add assert to verify used_alone
18014 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18016 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18017 for non tls symbols added.
18018 (legitimize_address): Do nothing for PLUS expressions if one of the
18019 addends is a tls symbol reference.
18021 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18025 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18027 * Makefile.in (BOOTSTRAPPING): New.
18028 (quickstrap): New definition if BOOTSTRAPPING=yes.
18030 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18031 * configure.ac: Substitute all_selected_languages with the languages
18032 that were configured. For all the other variables except
18033 lang_specs_files, include all the languages in the tree.
18034 * configure: Regenerate.
18036 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18037 if there is one. Run the commands to run fixincludes in the same
18040 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18041 * doc/install.texi: Document exact conventions for searching target tools.
18042 Document --with-build-time-tools. Document toplevel bootstrap. Document
18043 something more about building an Ada cross-compiler. Don't list GNU Make
18044 requirements which affect all platforms.
18046 2006-02-19 Roger Sayle <roger@eyesopen.com>
18048 PR middle-end/19543
18049 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18050 only equivalent if the have both the same mode and precision.
18052 2006-02-20 Ben Elliston <bje@au.ibm.com>
18054 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18056 2006-02-19 Roger Sayle <roger@eyesopen.com>
18057 Steven Bosscher <stevenb.gcc@gmail.com>
18059 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18060 constant pool references to identify stack mode constants.
18061 * rtlanal.c (constant_pool_constant_p): New predicate to check
18062 whether operand is a floating point constant in the pool.
18063 * rtl.h (constant_pool_constant_p): Prototype here.
18064 * loop.c (scan_loop): Avoid hoisting constants from the constant
18065 pool on STACK_REGS targets.
18066 (load_mems): Likewise.
18067 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18068 loads into x87 registers expensive in terms of register pressure.
18070 2006-02-19 Roger Sayle <roger@eyesopen.com>
18072 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18073 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18075 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18077 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18078 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18080 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18082 * doc/invoke.texi: Document -fipa-pta.
18083 * common.opt: Add ipa-pta option.
18084 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18085 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18086 (do_ds_constraint): Ditto.
18087 (get_constraint_for): Only add to referenced_vars if
18088 referenced_vars exists.
18089 (insert_into_field_list): Rewrite to do this unsorted.
18090 (insert_into_field_list_sorted): Rename old insert_into_field_list
18092 (create_function_info_for): Use insert_into_field_list_sorted.
18093 (create_variable_info_for): Rewrite so it uses unsorted version,
18094 since the field list is sorted.
18095 (intra_create_variable_infos): Only add to referenced_vars if
18096 referenced_vars exists.
18097 (ipa_pta_execute): Init heapvars, and delete when done.
18098 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18100 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18102 * doc/install.texi: Add missing `@samp'.
18104 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18106 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18109 2006-02-18 Mark Wielaard <mark@klomp.org>
18111 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18112 who added new 4.1 features, bug fixes and integration support.
18114 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18117 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18118 MEM for ABI_V4 pic.
18120 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18122 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18123 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18124 (copy_insn_1): Likewise. Don't copy each field individually.
18126 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18128 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18129 * rtl.c (rtx_size): Rename variable to...
18130 (rtx_code_size): ...this.
18131 (rtx_size): New function.
18132 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18133 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18135 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18136 * rtl.h (rtx_code_size): New variable.
18137 (rtx_size): Change from a variable to a function.
18138 (RTX_SIZE): Rename to...
18139 (RTX_CODE_SIZE): ...this.
18142 PR tree-optimization/17106
18143 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18144 (Anchored Addresses): New section.
18145 * doc/invoke.texi (-fsection-anchors): Document.
18146 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18147 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18148 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18149 * hooks.c (hook_bool_mode_rtx_false): New function.
18150 * hooks.h (hook_bool_mode_rtx_false): Declare.
18151 * gengtype.c (create_optional_field): New function.
18152 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18153 SYMBOL_REF_IN_BLOCK_P is true.
18154 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18155 (min_anchor_offset, max_anchor_offset): Likewise.
18156 (use_anchors_for_symbol_p): New hook.
18157 * toplev.c (compile_file): Call output_object_blocks.
18158 (target_supports_section_anchors_p): New function.
18159 (process_options): Check that -fsection-anchors is only used on
18160 targets that support it and when -funit-at-a-time is in effect.
18161 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18162 if the decl doesn't have one.
18163 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18164 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18165 of force_const_mem through use_anchored_address.
18166 (expand_expr_constant): New function.
18167 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18168 calling expand_expr for INDIRECT_REF.
18169 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18170 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18171 * expr.h (use_anchored_address): Declare.
18172 * loop-unroll.c: Don't declare rtx vectors here.
18173 * explow.c: Include output.h.
18174 (validize_mem): Call use_anchored_address.
18175 (use_anchored_address): New function.
18176 * common.opt (-fsection-anchors): New switch.
18177 * varasm.c (object_block_htab, anchor_labelno): New variables.
18178 (hash_section, object_block_entry_eq, object_block_entry_hash)
18179 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18180 (use_blocks_for_decl_p, change_symbol_section): New functions.
18181 (get_variable_section): New function, split out from assemble_variable.
18182 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18183 use_blocks_for_decl_p say so. Use change_symbol_section if the
18184 symbol has already been created.
18185 (assemble_variable_contents): New function, split out from...
18186 (assemble_variable): ...here. Don't output any code for
18187 block symbols; just pass them to place_block_symbol.
18188 Use get_variable_section and assemble_variable_contents.
18189 (get_constant_alignment, get_constant_section, get_constant_size): New
18190 functions, split from output_constant_def_contents.
18191 (build_constant_desc): Create a block symbol if use_object_blocks_p
18192 says so. Or into SYMBOL_REF_FLAGS.
18193 (assemble_constant_contents): New function, split from...
18194 (output_constant_def_contents): ...here. Don't output any code
18195 for block symbols; just pass them to place_section_symbol.
18196 Use get_constant_section and get_constant_alignment.
18197 (force_const_mem): Create a block symbol if use_object_blocks_p and
18198 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18199 (output_constant_pool_1): Add an explicit alignment argument.
18200 Don't switch sections here.
18201 (output_constant_pool): Adjust call to output_constant_pool_1.
18202 Switch sections here instead. Don't output anything for block symbols;
18203 just pass them to place_block_symbol.
18204 (init_varasm_once): Initialize object_block_htab.
18205 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18206 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18207 (place_block_symbol, get_section_anchor, output_object_block)
18208 (output_object_block_htab, output_object_blocks): New functions.
18209 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18210 (TARGET_ASM_OUT): Include it.
18211 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18212 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18213 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18214 (TARGET_INITIALIZER): Include them.
18215 * rtl.c (rtl_check_failed_block_symbol): New function.
18216 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18217 (block_symbol, object_block): New structures.
18218 (rtx_def): Add a block_symbol field to the union.
18219 (BLOCK_SYMBOL_CHECK): New macro.
18220 (rtl_check_failed_block_symbol): Declare.
18221 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18222 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18223 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18224 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18225 * output.h (output_section_symbols): Declare.
18226 (object_block): Name structure.
18227 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18228 (default_use_anchors_for_symbol_p): Declare.
18229 * Makefile.in (RTL_BASE_H): Add vec.h.
18230 (explow.o): Depend on output.h.
18231 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18232 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18233 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18234 (rs6000_use_blocks_for_constant_p): New function.
18236 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18238 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18240 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18243 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18246 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18248 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18252 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18254 PR middle-end/26334
18255 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18256 instead of DECL_REGISTER.
18258 2006-02-18 Olivier Hainque <hainque@adacore.com>
18261 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18263 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18266 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18267 * opth-gen.awk: Handle Var and InverseMask together.
18268 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18269 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18270 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18271 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18273 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18274 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18275 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18276 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18277 LINUX_DYNAMIC_LINKER): Define.
18278 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18279 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18281 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18282 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18283 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18284 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18285 (TARGET_C99_FUNCTIONS): Don't define.
18286 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18287 GLIBC_DYNAMIC_LINKER.
18288 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18289 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18290 GLIBC_DYNAMIC_LINKER64): Define.
18291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18292 LINUX_DYNAMIC_LINKER64.
18293 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18295 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18297 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18298 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18299 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18300 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18301 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18303 and LINUX_DYNAMIC_LINKER32.
18304 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18305 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18306 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18307 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18308 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18310 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18311 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18312 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18313 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18314 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18315 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18316 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18317 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18318 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18319 LINUX_DYNAMIC_LINKER): Define.
18320 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18321 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18322 GLIBC_DYNAMIC_LINKER64): Define.
18323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18324 LINUX_DYNAMIC_LINKER64.
18325 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18326 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18327 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18328 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18329 LINUX_DYNAMIC_LINKER): Define.
18330 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18331 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18332 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18333 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18334 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18335 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18336 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18337 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18338 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18339 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18341 * doc/invoke.texi (-muclibc): Remove caveat about supported
18344 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18346 * doc/cpp.texi (__TIMESTAMP__): Document.
18348 2006-02-17 Roger Sayle <roger@eyesopen.com>
18350 PR middle-end/25600
18351 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18352 C is one less than the width of X (and related transformations).
18353 * simplify-rtx.c (simplify_unary_operation_1): Transform
18354 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18355 depending on STORE_FLAG_VALUE, were C is one less then the
18358 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18360 Fix PR tree-optimization/26341
18361 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18362 about NAME_MEMORY_TAG's.
18364 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18367 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18368 with hardware float support, and software float support. Add fcpy
18369 alternative to hardware patterns. Add alternatives to copy between
18370 general and floating-point registers to the 32-bit pattern.
18371 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18372 secondary reload to load a QI or HI mode constant into a floating
18374 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18375 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18377 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18380 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18382 (load_macho_picbase_di): Likewise.
18384 2006-02-16 Jeff Law <law@redhat.com>
18386 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18387 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18388 (ssa_name_nonzero_p): Likewise.
18389 (get_value_range): Return NULL if VRP is not running.
18390 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18391 VRP routines do not discover a range.
18392 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18393 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18394 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18395 (tree_expr_nonnegative_p): Similarly.
18396 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18397 (restore_nonzero_vars_to_original_value): Remove.
18398 (unsafe_associative_fp_binop): Remove.
18399 (tree_ssa_dominator_optimize): Remove initialization and
18400 finalization of nonzero_vars and nonzero_vars_stack.
18401 (dom_opt_initialize_block): No longer push marker on
18402 nonzero_vars_stack.
18403 (dom_opt_finalize_block): No longer call
18404 restore_nonzero_vars_to_original_value.
18405 (record_equivalences_from_phis): No longer look for
18406 nonzero PHI arguments.
18407 (cprop_into_successor_phis): No longer propagate nonzero
18408 property into PHI arguments. Lose unused argument. Caller
18410 (record_equivalences_from_stmt): No longer record nonzero
18411 values for SSA_NAMEs.
18412 (lookup_avail_expr): No longer use nonzero_vars.
18414 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18415 for sizetype when sizetype is unsigned.
18417 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18419 PR rtl-optimization/25603
18420 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18421 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18422 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18423 with new meaning of SETS.
18425 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18430 * config/linux.opt: New file.
18431 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18432 LINUX_DYNAMIC_LINKER): Define.
18433 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18434 * config.gcc (*-*-linux*): Define extra_options.
18435 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18436 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18437 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18438 GLIBC_DYNAMIC_LINKER.
18439 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18440 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18441 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18443 * doc/invoke.texi (GNU/Linux Options): New section.
18445 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18447 * config/sparc/sparc.md (setjmp): Rewrite.
18448 (setjmp_32): Delete.
18449 (setjmp_64): Likewise.
18451 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18453 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18456 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18458 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18461 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18463 PR rtl-optimization/26296
18464 * Makefile.in (loop-invariant.c): Add except.h dependency.
18465 * loop-invariant.c: Include except.h.
18466 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18468 2005-02-16 Paul Brook <paul@codesourcery.com>
18470 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18473 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18475 PR rtl-optimization/25636
18476 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18477 when deciding whether an insn is an initializing insn.
18479 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18481 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18482 (tree_code_size): Ditto.
18483 * tree.h (struct tree_memory_tag): Remove parent_var.
18484 (struct tree_struct_field_tag): New.
18487 (union tree_node): Add sft member.
18488 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18490 (create_sft): Add size and offset argument, set SFT_OFFSET and
18492 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18493 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18494 * tree-flow-inline.h (get_subvar_at): Update for
18495 SFT_OFFSET/SFT_SIZE.
18496 (var_can_have_subvars): Ditto.
18497 (overlap_subvar): Ditto.
18498 * print-tree.c (print_node): Print out interesting things for
18500 * tree-flow.h (struct subvar): Remove offset and size members.
18501 * tree-ssa-operands.c (get_expr_operands): Update for
18502 get_indirect_ref_operands changes.
18503 (get_indirect_ref_operands): Call add_virtual_operand instead of
18504 add_stmt_operand. Only recurse on base var if requested.
18505 (access_can_touch_variable): New function.
18506 (add_stmt_operand): Split virtual operand handling into ...
18507 (add_virtual_operand): Here. Add offset, size, and for_clobber
18508 arguments. Prune alias sets.
18509 (add_call_clobber_ops): Call add_virtual_operand.
18511 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18513 PR middle-end/26300
18514 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18516 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18517 than TREE_CODE as index into omp_clause_num_ops array.
18519 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18521 PR rtl-optimization/26184
18522 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18524 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18525 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18526 must_precede, must_follow and tobe_scheduled.
18529 * opts.c (common_handle_option): Free new_option pointer.
18530 * df-core.c (df_analyze): Free postorder pointer.
18532 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18534 * Makefile.in: Fix the examples about the use of stamps
18536 2006-02-15 Michael Matz <matz@suse.de>
18538 PR middle-end/22275
18540 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18541 influenced by maximum_field_alignment or DECL_PACKED.
18542 (update_alignment_for_field): Ditto.
18543 (place_field): Ditto.
18544 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18547 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18549 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18550 (debug_flow_info): Pass it.
18551 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18552 * bb-reorder.c (reorder_basic_blocks): Likewise.
18553 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18554 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18555 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18556 * gcse.c (gcse_main, bypass_jumps): Likewise.
18557 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18558 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18559 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18560 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18561 * rtl.h (dump_flow_info): Adjust prototype.
18562 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18563 * var-tracking.c (variable_tracking_main): Likewise.
18564 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18565 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18568 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18570 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18573 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18575 PR tree-optimization/26209
18576 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18577 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18579 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18581 2006-02-14 Roger Sayle <roger@eyesopen.com>
18583 PR middle-end/23670
18584 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18585 (X,Y) and the corresponding symmetry related transformations.
18586 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18587 (X,Y) and its symmetry related transformations.
18589 2006-02-14 Roger Sayle <roger@eyesopen.com>
18591 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18594 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18596 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18598 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18601 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18602 support COMDAT group.
18603 * configure: Regenerate.
18605 2006-02-14 Roger Sayle <roger@eyesopen.com>
18607 PR middle-end/26279
18608 PR middle-end/26280
18609 PR middle-end/26283
18610 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18612 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18614 Fix PR tree-optimization/26260
18616 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18618 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18619 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18620 * tree-ssa-structalias.c (create_variable_info_for): Use
18621 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18623 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18625 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18627 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18628 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18629 of the ending condition.
18630 * tree-ssa-loop-manip.c: Include params.h.
18631 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18632 tree_unroll_loop): New functions.
18633 * tree-pass.h (pass_loop_prefetch): Declare.
18634 * loop.c (rest_of_handle_loop_optimize): Test for
18635 -fprefetch-loop-arrays-rtl.
18636 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18637 * timevar.def (TV_TREE_PREFETCH): New timevar.
18638 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18639 pass_loop_prefetch): New.
18640 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18641 (cleanup_tree_cfg_loop): Call scev_reset.
18642 * common.opt (fprefetch-loop-arrays-rtl): Add.
18643 * tree-ssa-loop-prefetch.c: New file.
18644 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18645 (new_temp_expr_table): Initialize expr_vars.
18646 (free_temp_expr_table): Cleanup expr_vars.
18647 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18648 expressions from being merged into one.
18649 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18650 (struct tree_niter_desc): Add control, bound and cmp fields.
18651 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18653 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18654 (tree-cfgcleanup.o): Add SCEV_H dependency.
18655 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18656 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18658 2006-02-14 Richard Guenther <rguenther@suse.de>
18660 PR tree-optimization/26258
18661 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18662 in PHI argument processing.
18664 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18666 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18667 new expression in the requested machine mode.
18669 2006-02-13 Roger Sayle <roger@eyesopen.com>
18671 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18672 directly, instead let do_compare_rtx_and_jump handle this for us.
18673 * expr.c (expand_expr_real_1): Likewise.
18674 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18675 before do_jump_by_parts_greater.
18676 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18677 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18679 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18681 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18683 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18685 PR rtl-optimization/26235
18686 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18687 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18690 2006-02-13 Jeff Law <law@redhat.com>
18692 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18695 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18697 PR middle-end/26092
18698 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18699 twice if decl is a builtin. When trying again, call get_callee_fndecl
18700 first to verify it is still a builtin.
18702 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18704 * dwarf2out.c (base_type_die): Don't add AT_name here.
18705 (subrange_type_die): Don't add AT_name here.
18706 (modified_type_die): Rearrange code flow. Do add AT_name here.
18708 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18710 PR rtl-optimization/26247
18711 PR rtl-optimization/26248
18712 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18714 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18716 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18717 * config/fixtfdi.c: Likewise.
18718 * config/fixunstfdi.c: Likewise.
18719 * config/floatditf.c: Likewise.
18721 2006-02-13 Roger Sayle <roger@eyesopen.com>
18723 PR middle-end/24427
18724 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18725 into (X,C2) if C1 is a subset of the bits of C2. Transform
18726 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18728 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18730 2006-02-13 Josh Conner <jconner@apple.com>
18733 * varasm.c (function_section): Check for section name before
18734 calling select_section on targets that define
18735 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18736 unlikely_text_section instead of hot_function_section if
18737 first_function_block_is_cold.
18739 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18741 PR middle-end/25335
18742 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18744 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18746 PR rtl-optimization/26222
18747 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18748 after tree->rtl expansion.
18749 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18750 before passing it to emit_move_insn.
18752 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18754 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18756 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18757 Clarify documentation.
18758 * c-common.h (warn_write_strings): Remove.
18759 * c-common.c (warn_write_strings): Likewise.
18760 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18763 2006-02-12 Roger Sayle <roger@eyesopen.com>
18765 PR middle-end/25724
18766 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18767 (do_jump_parts_zero_rtx): New function renamed from
18768 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18769 (do_jump_parts_equality_rtx): New function split out from
18770 do_jump_parts_equality. Old implementation renamed as above.
18771 Call do_jump_parts_zero_rtx if either operand is zero.
18772 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18773 do all of the heavy lifting.
18774 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18775 calling either do_jump_by_parts_greater_rtx or
18776 do_jump_by_parts_equality_rtx.
18777 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18778 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18779 moved to do_compare_rtx_and_jump, call it directly.
18780 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18781 mode argument. Call do_compare_rtx_and_jump.
18782 (emit_case_nodes): Update calls to do_jump_if_equal.
18784 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18786 PR rtl-optimization/26225
18787 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18789 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18791 PR rtl-optimization/26232
18792 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18794 2006-02-11 Jason Merrill <jason@redhat.com>
18797 * tree-inline.c (declare_return_variable): Just don't use the
18798 modify target if it's a gimple complex reg and the return slot
18801 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18803 * doc/contrib.texi: Update my entry.
18805 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18807 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18809 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18811 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18814 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18816 * doc/invoke.texi (-floop-optimize2): Removed.
18817 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18818 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18819 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18820 * common.opt (floop-optimize2): Removed.
18821 (fmove-loop-invariants): Enabled by default.
18823 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18825 * tree-if-conv.c (combine_blocks): Free the result of
18826 get_loop_exit_edges.
18828 2006-02-10 Jeff Law <law@redhat.com>
18830 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18832 PR tree-optimization/26213
18833 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18834 loop trying to follow SSA_NAME_VALUE chains.
18836 2006-02-10 Richard Guenther <rguenther@suse.de>
18838 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18839 deal with structures that end in implicitly variable sized arrays.
18841 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18843 PR rtl-optimization/24762
18844 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18847 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18849 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18850 (struct ivopts_data): Add regs_used field.
18851 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18852 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18853 instead of loop_data->regs_used;
18854 (free_loop_data): Do not free aux fields for loops.
18855 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18856 and tree_ssa_iv_optimize_finalize.
18858 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18860 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18862 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18865 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18866 computing the effective result type.
18868 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18870 PR inline-asm/16194
18871 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18872 (tree_overlaps_hard_reg_set): Declare.
18873 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18874 type and signature to match function type expected by walk_tree.
18875 (tree_overlaps_hard_reg_set): New function.
18876 (decl_conflicts_with_clobbers_p): Rename to:
18877 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18878 Use tree_overlaps_hard_reg_set. Changed caller.
18879 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18880 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18881 * cris.c (cris_md_asm_clobbers): Likewise.
18883 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18885 * reload1.c (emit_input_reload_insns): Delete code that tries to
18886 inherit using find_equiv_reg.
18888 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18890 * c-common.h (flag_const_strings): Don't declare.
18891 * c-common.c (flag_const_strings): Remove.
18892 * c.opt (fconst_strings): Remove.
18893 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18894 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18895 (c_common_init_options): Don't set flag_const_strings.
18896 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18898 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18900 * arm.md (tlobits_cbranch): New pattern.
18901 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18902 testing a single bit.
18904 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18907 * tree-ssa-pre.c (create_component_ref_by_pieces):
18908 Handle RETURN_DECL like VAR_DECL.
18910 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18912 PR middle-end/26134
18913 * fold-const.c (fold_indirect_ref_1): Fold
18914 "*(foo *)&complexfoo" to "__real__ complexfoo"
18915 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18917 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18919 * tree-flow-inline.h (var_can_have_subvars):
18920 Volatile variables should not have subvariables.
18922 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18925 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18926 multiplying unsigned values.
18929 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18931 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18933 2006-02-08 Jason Merrill <jason@redhat.com>
18936 * tree.def: Elaborate on difference from MODIFY_EXPR.
18937 * doc/c-tree.texi (INIT_EXPR): Likewise.
18938 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18939 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18940 (gimplify_target_expr): Likewise.
18941 (gimplify_cond_expr): Remove target handling.
18942 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18943 (gimplify_expr): Clobber it here.
18944 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18945 Do return slot optimization if we have an INIT_EXPR.
18948 * tree-inline.c (declare_return_variable): Also clear
18949 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18952 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18954 PR middle-end/22439
18955 * gimplify.c (gimplify_one_sizepos): Fix typo.
18957 2006-02-08 Jeff Law <law@redhat.com>
18959 PR tree-optimization/21417
18960 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18961 across a backedge if the control statement at the end of the
18962 block is data dependent on other statements in the same block.
18963 (record_temporary_equivalences_from_stmts): Remove over-conservative
18964 test for threading across backedges.
18966 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18967 control statement, handle all three special cases in the same
18968 manner as they all have the same desired solution. No longer
18969 special case edge flag updating when the post dominator is
18972 2006-02-08 Roger Sayle <roger@eyesopen.com>
18974 * tree.def (CHAR_TYPE): Remove.
18975 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18976 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18977 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18978 (gen_string_type_die): Delete unreachable function.
18980 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18981 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18982 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18983 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18984 * builtins.c (type_to_class): Likewise.
18985 * fold-const.c (fold_convert, build_range_check,
18986 merge_ranges): Likewise.
18987 * expr.c (count_type_elements): Likewise.
18988 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18989 * stor-layout.c (layout_type): Likewise.
18990 * ipa-type-escape.c (type_to_consider): Likewise.
18991 * gimplify.c (omp_firstprivatize_type_sizes,
18992 gimplify_type_sizes): Likewise.
18993 * explow.c (promote_mode): Likewise.
18994 * tree-sra.c (is_sra_scalar_type): Likewise.
18995 * varasm.c (output_constant): Likewise.
18996 * tree-inline.c (remap_type_1): Likewise.
18997 * convert.c (convert_to_pointer, convert_to_real,
18998 convert_to_integer, convert_to_complex): Likewise.
19000 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19002 * df-scan.c (df_def_record_1): A set destination may
19003 be a parallel regardless of mode.
19005 2006-02-08 Roger Sayle <roger@eyesopen.com>
19008 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19009 * config/mips/_tilib.c: Remove.
19010 * config/fixtfdi.c: New libgcc source file.
19011 * config/fixunstfdi.c: New source file.
19012 * config/floatditf.c: New source file.
19013 * config/floatunditf.c: New souce file.
19014 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19015 files above instead of config/mips/_tilib.c.
19016 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19018 2006-02-08 Jeff Law <law@redhat.com>
19020 PR tree-optimization/26169
19021 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19024 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19026 * df.h (DF_REG_SIZE): Return the length of the initialized
19029 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19031 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19032 __muldf3): Return a correctly signed zero.
19034 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19036 * passes.c (register_one_dump_file): Accept the current properties
19037 instead of pass number. Adjust call to dump_register. Remove
19039 (register_dump_files): Now a wrapper around...
19040 (register_dump_files_1): ... this one. Do not modify the pass
19042 (next_pass_1): Cosmetic fix.
19043 (execute_todo): Keep second parameter only. Use curr_properties
19044 instead of fetching it from the pass structure. Check and set
19046 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19047 instead of fetching it from the pass structure. Fix calls to
19048 execute_todo. Update curr_properties and initialize .vcg RTL dump
19049 after running the pass. Reset last_verified.
19050 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19052 (FIRST_AUTO_NUMBERED_DUMP): New.
19053 (dump_register): Remove "num" parameter, assign it within the
19055 (get_dump_file_name): Modify template for dumps.
19056 * tree-dump.h (dump_register): Adjust prototype.
19057 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19058 (PROP_trees): Add PROP_gimple_lomp.
19059 (TODO_set_props): New.
19060 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19061 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19062 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19064 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19066 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19067 (sparc64-*-linux*): Likewise.
19068 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19069 * config/sparc/t-linux: New file.
19070 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19071 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19072 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19073 -m32 -mlong-double-128.
19075 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19076 * config/alpha/t-linux: New file.
19077 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19079 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19080 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19081 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19082 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19083 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19084 (CPP_ARCH32_SPEC): Remove.
19086 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19088 PR tree-optimization/26145
19089 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19092 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19095 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19096 >= 240000 when generating code for SOM runtime.
19097 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19098 to $$dyncall when generating code for SOM runtime..
19100 2006-02-07 Dirk Mueller <dmueller@suse.com>
19103 * doc/invoke.texi (-Wsequence-point): Update documentation
19104 that -Wsequence-point is implemented for C++ as well.
19106 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19108 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19109 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19110 (LIB_SPEC): Likewise.
19111 * doc/invoke.texi (SPARC options): Document -pthread.
19113 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19115 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19118 2006-02-07 Roger Sayle <roger@eyesopen.com>
19120 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19121 Correct comment describing BOOLEAN_TYPE.
19123 2006-02-07 Dirk Mueller <dmueller@suse.com>
19125 * c.opt: C++ frontend supports -Wdiv-by-zero.
19126 * c-opts.c (c_common_handle_option): Remove dead case.
19128 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19130 * configure.ac (TLS assembler check): Do not enable TLS by
19131 default on SPARC/Solaris before version 10.
19132 * configure: Regenerate.
19134 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19136 * doc/invoke.texi (xl-compat): Document conversion and support
19139 2006-02-07 Jeff Law <law@redhat.com>
19141 * tree-vrp.c (find_conditional_asserts): Update comments.
19142 (simplify_stmt_for_jump_threading): New.
19143 (identify_jump_threads, finalize_jump_threads): New.
19144 (vrp_finalize): Call identify_jump_threads.
19145 (execute_vrp): Call finalize_jump_threads.
19146 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19147 (vrp_element, vrp_data, vrp_element_p): Remove.
19148 (vrp_hash_elt, vrp_variables_stack): Remove.
19149 (vrp_hash, vrp_eq, record_range): Remove.
19150 (simplify_cond_and_lookup_avail_expr): Remove.
19151 (extract_range_from_cond): Remove.
19152 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19153 (simplify_stmt_for_jump_threading): New.
19154 (dom_thread_across_edge): New wrapper.
19155 (tree_ssa_dominator_optimize): No longer initialize or
19156 finalize any of the VRP datastructures. Remove iteration
19157 step and simplify as a result of removal of iteration step.
19158 (pass_dominator): Perform a cfg cleanup after DOM.
19159 (dom_opt_finalize_block): Use the new common routines
19160 for threading jumps. Simplify stack management slightly.
19161 No longer need to unwind VRP state.
19162 (record_equivalences_from_incoming_edge): No longer record
19164 (eliminate_redundant_computations): No longer call
19165 simplify_cond_and_lookup_avail_expr.
19166 * tree-flow.h (potentially_threadable_block): Prototype.
19167 (thread_across_edge): Likewise.
19168 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19169 (tree-ssa-threadedge.o): Add dependencies.
19170 * tree-ssa-threadedge.c: New file.
19171 * passes.c (init_optimization_passes): Merge PHIs before
19172 calling VRP. Run VRP again late in the SSA optimization pipeline.
19174 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19176 * df-core.c (df_set_blocks): Do not dereference function pointers.
19177 (df_finish1): Likewise.
19178 (df_hybrid_search_forward): Likewise.
19179 (df_hybrid_search_backward): Likewise.
19180 (df_iterative_dataflow): Likewise.
19181 (df_analyze_problem): Likewise.
19182 (df_compact_blocks): Likewise.
19183 (df_dump): Likewise.
19184 * df-scan.c (df_rescan_blocks): Likewise.
19185 (df_record_entry_block_defs): Likewise.
19187 * genconditions.c (write_conditions): Guard the definition of
19188 'insn_conditions' with the check on GCC version.
19189 (write_writer): Guard the traversal 'insn_conditions' with
19190 the check on GCC version.
19192 2006-02-07 Richard Guenther <rguenther@suse.de>
19196 2006-01-30 Richard Guenther <rguenther@suse.de>
19198 * gimplify.c (gimplify_target_expr): Handle easy cases
19199 without creating a temporary.
19201 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19203 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19204 use of float in probability computations. Use edge probabilities
19205 in place of statically computed probabilities.
19206 (min_spec_prob): New static variable.
19207 (schedule_insns): Initialize it.
19208 (GET_SRC_PROB): Removed.
19209 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19211 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19214 * config/ia64/unwind-ia64.c: Revert last change.
19215 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19216 (INCOMING_FRAME_SP_OFFSET): Define.
19218 2006-02-06 Roger Sayle <roger@eyesopen.com>
19220 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19222 2006-02-07 Ben Elliston <bje@au.ibm.com>
19224 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19225 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19226 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19227 (ix86_return_in_memory): Handle TDmode.
19228 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19229 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19231 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19233 * reorg.c (dbr_schedule): Use dump_file instead of file.
19235 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19238 * config/ia64/predicates.md (extr_len_operand): New predicate.
19239 * config/ia64/ia64.md (extv): Tighten constraints.
19241 (*tbit_and_2): Ditto.
19242 (*tbit_and_3): Ditto.
19243 (*tbit_or_2): Ditto.
19244 (*tbit_or_3): Ditto.
19245 (*bit_zero): Ditto.
19248 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19251 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19253 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19255 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19256 loop_optimizer_init and loop_optimizer_finalize
19257 * tree-ssa-sink.c (execute_sink_code): Ditto.
19258 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19259 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19260 tree_ssa_loop_done): Ditto.
19261 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19262 * sched-ebb.c: Include output.h.
19263 (schedule_ebbs): Do not use dump argument.
19264 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19265 * loop.c (loop_dump_stream): Removed.
19266 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19268 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19269 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19270 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19271 loop_iterations, strength_reduce, record_biv, record_giv,
19272 final_giv_value, check_final_value, check_ext_dependent_givs,
19273 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19274 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19275 dump_file instead of loop_dump_stream.
19276 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19277 argument dump_file.
19278 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19280 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19281 * haifa-sched.c: Include output.h
19282 (schedule_insns, sched_init): Do not use dump argument.
19283 * mode-switching.c (optimize_mode_switching): Ditto.
19284 * modulo-sched.c (stats_file): Removed.
19285 (print_node_sched_params): Do not call argument dump_file.
19286 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19287 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19289 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19291 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19292 rtl_loop_init, rtl_loop_done): Ditto.
19293 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19294 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19296 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19297 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19298 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19299 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19300 * emit-rtl.c (renumber_insns): Ditto.
19301 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19302 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19303 * regclass.c (regclass): Ditto.
19304 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19305 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19306 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19307 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19309 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19310 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19312 * gcse.c (gcse_file, debug_stderr): Removed.
19313 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19314 rest_of_handle_gcse): Do not use dump argument.
19315 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19316 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19317 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19318 compute_code_hoist_vbeinout, compute_code_hoist_data,
19319 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19320 compute_store_table, build_store_vectors, insert_insn_start_bb,
19321 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19322 store_motion): Use dump_file instead of gcse_file.
19323 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19324 * profile.c (profile_dump_file): Removed.
19325 (branch_prob): Use dump_file instead of profile_dump_file.
19326 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19328 * tree-ssa-copy.c (dump_copy_of): Ditto.
19329 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19330 dump file to life_analysis.
19331 * bt-load.c (branch_target_load_optimize): Ditto.
19332 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19334 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19335 regclass, dbr_schedule): Declaration changed.
19336 * sched-int.h (sched_init): Declaration changed.
19337 * tree-profile.c (tree_profile_dump_file): Removed.
19338 (tree_profile_hooks): Removed profile_dump_file hook.
19339 * rtl-profile (rtl_profile_dump_file): Removed.
19340 (rtl_profile_hooks): emoved profile_dump_file hook.
19341 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19343 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19344 * tree-cfg.c (build_tree_cfg): Ditto.
19345 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19346 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19347 Declaration changed.
19348 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19349 life_analysis and schedule_insns.
19350 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19352 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19354 * config/mips/mips.c (mips_reorg): Ditto.
19355 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19358 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19360 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19361 (s390_mangle_fundamental_type): New.
19362 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19365 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19366 (alpha_mangle_fundamental_type): New.
19367 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19370 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19372 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19374 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19375 (sparc_mangle_fundamental_type): New.
19377 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19379 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19380 (s390x-*-linux*): Likewise.
19381 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19382 * config/s390/t-linux: New file.
19384 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19386 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19387 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19389 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19391 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19392 (ANTIC_SAFE_LOADS): New macro.
19393 (find_or_generate_expression): Add prototype.
19394 (set_contains_value): Allow null set for sake of not always having
19395 to allocate ANTIC_SAFE_LOADS.
19396 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19397 Allow COMPONENT_REF too.
19398 (valid_in_set): Allow COMPONENT_REF.
19399 Check ANTIC_SAFE_LOADS too.
19400 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19401 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19403 (can_PRE_operation): Add COMPONENT_REF.
19404 (create_component_ref_by_pieces): New function.
19405 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19406 (insert_aux): Move AGGREGATE_TYPE_P check here.
19407 (compute_avail): Set bb local stmt uids.
19408 (pass_pre): Use TODO_update_ssa_only_virtuals.
19410 2006-02-06 Ben Elliston <bje@au.ibm.com>
19412 * configure.ac: Unconditionally disable decimal float by default.
19413 * configure: Regenerate.
19415 2006-02-06 Ben Elliston <bje@au.ibm.com>
19417 * read-rtl.c (read_name): Terminate reading on EOF.
19419 2006-02-06 Ben Elliston <bje@au.ibm.com>
19421 * dfp.c (decimal_real_arithmetic): Change second argument type
19422 from int to enum tree_code. Do not always return true, but now
19423 return result of any call to decimal_do helper functions.
19424 * dfp.h (decimal_real_arithmetic): Update prototype.
19426 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19428 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19430 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19433 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19436 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19438 * tree-vrp.c (cfg_loops): Removed.
19439 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19440 Use current_loops instead of cfg_loops. Pass flags to
19441 loop_optimizer_init.
19442 * cfgloopmanip.c (fix_loop_structure): Update only available
19444 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19445 loop_optimizer_init.
19446 * modulo-sched.c (build_loops_structure): Removed.
19447 (sms_schedule): Use loop_optimizer_init.
19448 * loop-init.c (loop_optimizer_init): Use flags to determine
19449 which properties of loops to prepare.
19450 (rtl_loop_init): Pass flags to loop_optimizer_init.
19451 * tree-ssa-sink.c (execute_sink_code): Ditto.
19452 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19453 * tree-ssa-pre.c (init_pre): Ditto.
19454 * cfgloop.h (LOOPS_NORMAL): New.
19455 (loop_optimizer_init): Declaration changed.
19457 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19459 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19460 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19462 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19464 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19466 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19467 * pa/t-pa64: Delete quadlib.c rule.
19468 * pa/x-ada: Revert last change.
19469 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19471 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19473 PR rtl-optimization/26087
19474 * rtlanal.c (canonicalize_condition): Do not cross basic block
19477 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19480 * config/ia64/ia64.c: Include debug.h.
19481 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19482 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19483 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19484 (process_epilogue, process_set, process_for_unwind_directive):
19485 Output unwind info only if requested. Add CFA info if requested.
19486 Add new arguments as needed. Adjust callers.
19487 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19489 (DWARF2_FRAME_INFO): Define to zero.
19490 * config/ia64/unwind-ia64.c: Remove code that compensated for
19491 the CFA offset error fixed above.
19492 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19493 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19494 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19495 -funwind-tables and -fexceptions to enable frame info.
19496 (dwarf2out_frame_init): Define initial CFA even if
19497 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19498 DWARF2_UNWIND_INFO is nonzero, not just defined.
19499 (dwarf2out_frame_finish): Output non-EH call frame info only
19500 if DWARF2_FRAME_INFO is nonzero.
19501 (convert_cfa_to_loc_list,
19502 compute_frame_pointer_to_cfa_displacement): Define even if
19503 unwind info is not supported.
19504 (gen_subprogram_die): Use the above unconditionally. Remove
19505 legacy alternate code.
19506 * toplev.c (compile_file): Compile in call to
19507 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19508 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19510 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19511 Jakub Jelinek <jakub@redhat.com>
19513 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19514 IBM extended float format long double as "g" on powerpc*-linux.
19516 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19519 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19520 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19522 2006-02-03 Jason Merrill <jason@redhat.com>
19525 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19527 PR middle-end/25977
19528 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19529 on the return slot if it's an NRV.
19531 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19533 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19534 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19535 rewrite_use): Do not handle USE_OUTER.
19536 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19537 add_iv_outer_candidates, may_replace_final_value,
19538 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19539 (find_interesting_uses_op): Functionality of
19540 find_interesting_uses_outer_or_nonlin moved here.
19541 (find_interesting_uses_outside): Use find_interesting_uses_op.
19543 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19546 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19548 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19549 Ulrich Weigand <uweigand@de.ibm.com>
19552 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19553 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19554 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19555 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19557 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19558 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19559 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19560 Define secondary reloads for TFmode moves.
19561 (constant_modes): Add TFmode.
19562 (NR_C_MODES): Set to 8.
19563 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19565 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19566 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19567 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19568 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19569 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19570 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19571 (FPR mode macro): Add TFmode.
19572 (DSF mode macro): New.
19573 (<de>, <dee> mode attributes): Removed.
19574 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19575 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19576 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19577 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19578 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19579 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19580 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19581 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19582 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19583 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19584 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19585 "*negabs<mode>2", "sqrt<mode>2"):
19586 Changed <de> to <xde>. R constraint replaced by <Rf>.
19587 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19589 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19590 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19591 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19593 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19594 "extenddftf2", "extendsftf2"): New expanders.
19595 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19596 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19597 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19598 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19600 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19601 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19602 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19603 __floatditf): Add a GCC_4.1.0 symbol version tag.
19604 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19607 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19610 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19611 Use targetm.binds_local_p instead of TREE_PUBLIC.
19613 2006-02-02 Roger Sayle <roger@eyesopen.com>
19615 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19616 on INTEGER_TYPEs to indicate that it denotes a character type.
19617 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19618 signed_char_type_node, unsigned_char_type_node and char_type_node.
19619 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19620 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19621 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19623 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19624 Daniel Berlin <dberlin@dberlin.org>
19626 * tree-tailcall.c (arg_needs_copy_p): New function.
19627 (eliminate_tail_call): Use arg_needs_copy_p.
19628 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19629 (add_virtual_phis): New function.
19631 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19633 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19634 #ignore instead of #scratch for %g7 .register directive.
19636 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19638 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19641 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19643 * flow.c (calculate_global_regs_live): Assert that there aren't any
19646 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19648 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19649 what its name says.
19650 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19651 bsi_after_labels iterator.
19652 * tree-if-conv.c (find_phi_replacement_condition,
19653 replace_phi_with_cond_modify_expr): Likewise.
19654 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19655 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19657 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19659 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19661 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19664 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19665 array after growing it.
19667 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19669 PR middle-end/24901
19670 * fold-const.c (fold_checksum_tree): Change type of buf.
19672 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19674 * reload.c (push_secondary_reload): Initialize t_icode.
19676 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19678 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19679 -msoft-float -mlong-double-128 only issue a warning, but don't
19680 swich to DFmode long double.
19682 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19684 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19685 has a constant equivalent, iterate over equivalents for arg0,
19686 calling simplify_relational_operation and if there's a result
19687 cheaper than X, apply fold_rtx and return the result.
19689 2006-02-01 Jan Hubicka <jh@suse.cz>
19691 * opts.c (no_unit_at_a_time_default): New global variable.
19692 (decode_options): Use it.
19693 * opts.h (no_unit_at_a_time_default): Declare.
19695 2006-02-01 Paul Brook <paul@codesourcery.com>
19697 * function.c (assign_parm_setup_reg): Use function argument promotion
19699 * expr.c (expand_expr_real_1): Use function argument promotion rules
19702 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19704 * gcc.c (process_command): Change j to 'unsigned int'.
19706 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19708 PR middle-end/26001
19709 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19710 Use the corrected index for the character
19711 out of the string constant.
19713 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19715 * mode-switching.c (optimize_mode_switching): Fix size
19716 allocated for bb_info[n_entities].
19718 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19720 * gcc.c (main): Correct type that is allocated for
19721 explicit_link_files.
19723 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19725 * config/s390/s390.c (init_alignment_context): Set
19726 ALIAS_SET_MEMORY_BARRIER on the MEM.
19727 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19729 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19731 PR middle-end/25933
19732 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19734 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19737 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19739 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19740 * regrename.c: Ditto.
19741 * tree-ssa-loop-im.c: Ditto.
19742 * tree-dump.c: Ditto.
19743 * tree-complex.c: Ditto.
19744 * genrecog.c: Ditto.
19745 * tree-ssa-threadupdate.c: Ditto.
19747 * java/class.c: Ditto.
19748 * java/jcf-parse.c: Ditto.
19749 * java/resource.c: Ditto.
19750 * java/except.c: Ditto.
19751 * java/jvspec.c: Ditto.
19752 * java/jcf-write.c: Ditto.
19753 * java/jcf-path.c: Ditto.
19754 * java/gjavah.c: Ditto.
19755 * java/zextract.c: Ditto.
19756 * java/jcf-io.c: Ditto.
19757 * java/jcf.h: Ditto.
19758 * java/buffer.c: Ditto.
19759 * java/lang.c: Ditto.
19760 * java/parse-scan.y: Ditto.
19761 * java/lex.c: Ditto.
19762 * java/lex.h: Ditto.
19763 * cfgloopmanip.c: Ditto.
19764 * postreload-gcse.c: Ditto.
19765 * tree-ssa-loop-manip.c: Ditto.
19766 * postreload.c: Ditto.
19767 * tree-ssa-loop-ch.c: Ditto.
19770 * cppspec.c: Ditto.
19771 * diagnostic.c: Ditto.
19773 * genoutput.c: Ditto.
19775 * cfghooks.c: Ditto.
19776 * cfgloopanal.c: Ditto.
19777 * objc/objc-act.c: Ditto.
19779 * genextract.c: Ditto.
19780 * genautomata.c: Ditto.
19781 * pretty-print.c: Ditto.
19782 * genemit.c: Ditto.
19783 * cgraphunit.c: Ditto.
19785 * df-scan.c: Ditto.
19786 * haifa-sched.c: Ditto.
19787 * dominance.c: Ditto.
19789 * tree-ssa-loop-ivopts.c: Ditto.
19790 * df-core.c: Ditto.
19791 * mode-switching.c: Ditto.
19792 * modulo-sched.c: Ditto.
19794 * ipa-pure-const.c: Ditto.
19796 * fix-header.c: Ditto.
19798 * tree-stdarg.c: Ditto.
19799 * ipa-utils.c: Ditto.
19800 * loop-init.c: Ditto.
19801 * ipa-inline.c: Ditto.
19802 * cfganal.c: Ditto.
19804 * alloc-pool.c: Ditto.
19805 * dwarf2out.c: Ditto.
19807 * genattrtab.c: Ditto.
19808 * tree-ssa-loop-ivcanon.c: Ditto.
19809 * predict.c: Ditto.
19810 * timevar.c: Ditto.
19812 * fortran/gfortranspec.c: Ditto.
19813 * regmove.c: Ditto.
19814 * local-alloc.c: Ditto.
19815 * langhooks.c: Ditto.
19816 * function.c: Ditto.
19817 * tree-vectorizer.c: Ditto.
19819 * ipa-type-escape.c: Ditto.
19821 * tree-if-conv.c: Ditto.
19822 * profile.c: Ditto.
19824 * tree-data-ref.c: Ditto.
19825 * loop-unroll.c: Ditto.
19826 * treelang/treetree.c: Ditto.
19828 * bt-load.c: Ditto.
19829 * ggc-common.c: Ditto.
19831 * coverage.c: Ditto.
19833 * tree-cfgcleanup.c: Ditto.
19834 * tree-ssa-pre.c: Ditto.
19835 * cfgcleanup.c: Ditto.
19836 * loop-invariant.c: Ditto.
19837 * loop-iv.c: Ditto.
19838 * ipa-prop.c: Ditto.
19839 * print-tree.c: Ditto.
19840 * conflict.c: Ditto.
19841 * ggc-page.c: Ditto.
19842 * sched-deps.c: Ditto.
19843 * regclass.c: Ditto.
19844 * tree-object-size.c: Ditto.
19845 * combine.c: Ditto.
19846 * bb-reorder.c: Ditto.
19847 * resource.c: Ditto.
19848 * var-tracking.c: Ditto.
19849 * cfgloop.c: Ditto.
19850 * df-problems.c: Ditto.
19851 * reg-stack.c: Ditto.
19853 * gccspec.c: Ditto.
19854 * sched-rgn.c: Ditto.
19855 * tree-ssa-structalias.c: Ditto.
19856 * tree-ssa-reassoc.c: Ditto.
19857 * config/darwin-c.c: Ditto.
19858 * config/darwin.c: Ditto.
19859 * config/arm/arm.c: Ditto.
19861 * collect2.c: Ditto.
19862 * reload1.c: Ditto.
19864 2006-01-31 Nicolas Pitre <nico@cam.org>
19866 * arm.md (smaxsi3): Make aware of smax_m1.
19869 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19871 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19873 2006-01-31 Richard Guenther <rguenther@suse.de>
19875 * doc/invoke.texi (-msselibm): Document.
19876 * target.h (expand_library_builtin): New target hook.
19877 * builtins.c (expand_builtin): Use expand_library_builtin.
19878 (default_expand_library_builtin): New function.
19879 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19880 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19881 (link_gcc_math_spec): Declare.
19882 (static_specs): Add link_gcc_math_spec.
19883 * expr.h (default_expand_library_builtin): Declare.
19884 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19885 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19886 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19887 * config/i386/i386.opt (msselibm): New target option.
19888 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19889 (ix86_init_sse_abi_builtins): New function.
19890 (ix86_expand_library_builtin): Likewise.
19891 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19892 (override_options): Handle error conditions wrt -msselibm.
19893 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19894 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19895 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19898 2006-01-31 Richard Guenther <rguenther@suse.de>
19899 Paolo Bonzini <bonzini@gnu.org>
19901 * doc/install.texi (--disable-libgcc-math): Document.
19903 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19905 * expr.h (expand_normal): new inline function.
19906 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19907 * dojump.c: use it.
19908 * dwarf2out.c: use it.
19911 * expmed.c: use it.
19912 * except.c: use it.
19913 * config/sparc/sparc.c: use it.
19914 * config/i386/i386.c: use it.
19915 * config/rs6000/rs6000.c: use it.
19916 * config/arm/arm.c: use it.
19917 * config/mips/mips.c: use it.
19918 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19920 2006-01-30 Roger Sayle <roger@eyesopen.com>
19922 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19923 argv to the appropriate type.
19925 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19927 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19930 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19933 * config/s390/s390.c (struct machine_function): New flag
19934 decomposed_literal_pool_addresses_ok_p.
19935 (s390_reorg): Set it before final stage of literal pool transforms.
19936 (s390_decompose_address): Only accept displacements of the form
19937 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19939 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19941 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19942 the comparison routine return.
19944 2006-01-30 Michael Matz <matz@suse.de>
19946 * global.c (find_reg): Only evict for global regs.
19947 Take n_refs into account and dump more info.
19949 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19952 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19953 (pragma_trap, pragma_nosave_low_regs): Likewise.
19954 (current_function_anonymous_args): Likewise.
19955 (sh_deferred_function_attributes): New variable.
19956 (sh_deferred_function_attributes_tail): Likewise.
19957 (print_operand): For '@', look up trap_exit attribute.
19958 (calc_live_regs): Look up trapa_handler attribute. For trapa
19959 handlers, save/restore fpscr, but don't do any other
19960 interrupt-specific saves.
19961 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19962 Fix check for partially saved registers to check for SHmedia.
19963 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19964 (sh_output_function_epilogue): Don't clear any of the removed
19966 (sh_insert_attributes): Don't check pragma_interrupt.
19967 Insert deferred attributes. Check that interrupt attribute is
19968 present for other attributes that require its presence.
19969 (sh_attribute_table): Add new attributes trapa_handler and
19971 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19972 Don't check for pragma_interrupt. Don't store argument.
19973 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19974 (sh_deferred_function_attributes): Declare.
19975 (sh_deferred_function_attributes_tail): Likewise.
19976 * sh.md (sp_switch_1): Add operand. Change generator caller.
19977 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19978 (*return_i): Don't use when trap_exit attribute is in effect.
19979 (*return_trapa): New insn pattern.
19980 * sh-c.c: New file.
19981 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19982 setting c_target_objs and cxx_target_objs.
19983 * t-sh: Add rule for sh-c.o.
19985 2006-01-30 Richard Guenther <rguenther@suse.de>
19988 * gimplify.c (gimplify_target_expr): Handle easy cases
19989 without creating a temporary.
19991 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19993 * vec.h (safe_grow): Remove duplicated line.
19995 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19998 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19999 (expand_omp): ... here.
20000 (expand_omp_parallel): Only remove barriers for combined
20001 parallel+workshare constructs.
20003 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20007 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20008 * tree.c (build_qualified_type): Chain the new type to the original
20009 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20010 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20011 (build_pointer_type_for_mode): Only return unqualified types.
20012 (build_reference_type_for_mode): Likewise.
20014 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20016 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20017 * Makefile.in (CXX_COMPAT_WARN): Define.
20018 * configure: Regenerate.
20020 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20023 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20026 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20028 * toplev.c: Fix thinko.
20030 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20031 Marcin Dalecki <martin@dalecki.de>
20033 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20034 (push_srcloc): Use XNEW.
20035 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20037 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20039 * df-core.c (df_set_blocks): Deleted all variable.
20041 2006-01-28 Ian Lance Taylor <ian@airs.com>
20043 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20044 cgraph_output_pending_asms.
20046 2006-01-28 Zack Weinberg <zackw@panix.com>
20048 * c.opt: Add -W(no-)overlength-strings.
20049 * doc/invoke.texi: Document it.
20050 * c-opts.c (c_common_handle_option): -pedantic implies
20051 -Woverlength-strings, if not explicitly disabled already.
20052 (c_common_post_options): -Woverlength-strings defaults to off, and
20053 is always off for C++.
20054 * c-common.c (fix_string_type): Issue warning about strings longer
20055 than is portable only if warn_overlength_strings. Rearrange code
20056 a little for clarity.
20057 * configure.in: Check for -Wno-overlength-strings as well before
20058 enabling -pedantic in stage 1.
20059 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20060 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20062 * genconditions.c (write_header, write_one_condition)
20063 (write_conditions, write_writer): Consolidate very long strings
20064 that were broken up to fit in C89 portable limit. Don't use
20065 printf when fputs will do.
20067 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20069 * combine.c (simplify_comparison <AND>): Check
20070 TRULY_NOOP_TRUNCATION before start using a subreg.
20072 * config/mips/mips.md (*branch_zero<mode>,
20073 *branch_zero<mode>_inverted, *branch_equality<mode>,
20074 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20075 Remove mode check from comparisons.
20077 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20079 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20081 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20083 * expmed.c (const_mult_add_overflow_p): Remove.
20084 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20086 * recog.c (validate_replace_rtx_subexp): Remove.
20087 * recog.h: Remove the prototype for
20088 validate_replace_rtx_subexp.
20090 * integrate.h: Remove the prototype for
20091 copy_decl_for_inlining.
20092 * rtl.h: Remove the prototype for mark_constant_function.
20093 * tree-vectorizer.h: Remove the prototype for
20094 vect_strip_conversion.
20096 * modulo-sched.c (create_partial_schedule,
20097 free_partial_schedule, reset_partial_schedule): Make them
20100 * hooks.c (hook_bool_rtx_int_false): Remove.
20101 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20103 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20105 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20106 and -mlong-double-128 are incompatible.
20107 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20108 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20109 (TARGET_LIBGCC2_CFLAGS): Define.
20110 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20111 (TARGET_LIBGCC2_CFLAGS): Same.
20112 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20114 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20117 * c-typeck.c (build_binary_op): Perform implicit casts of
20118 operands before shortening them.
20120 * cfgloopmanip.c (split_loop_bb): Remove.
20121 * cfgloop.h: Remove the prototype for split_loop_bb.
20123 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20124 * cfgloop.h: Remove the prototype for
20125 flow_loop_outside_edge_p.
20127 * emit-rtl.c (init_virtual_regs): Make it static.
20128 * function.h: Remove the prototype for init_virtual_regs.
20130 * recog.c (peephole2_optimize): Make it static.
20131 * recog.h: Remove the prototype for peephole2_optimize.
20133 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20135 * df-scan.c (df_record_entry_block_defs): Check if
20136 INCOMING_RETURN_ADDR_RTX is defined.
20138 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20139 Kenneth Zadeck <zadeck@naturalbridge.com>
20141 PR rtl-optimization/24762
20142 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20143 * targhooks.c (hook_void_bitmap): New hook prototype.
20144 * targhoohs.h (hook_void_bitmap): Ditto.
20145 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20146 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20147 * target.h (live_on_entry): New function pointer.
20148 * df-scan.c (df_all_hard_regs): Removed.
20149 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20150 (df_scan_free_internal): Added df->entry_block_defs.
20151 (df_scan_alloc): Ditto.
20152 (df_scan_dump): Ditto.
20153 (df_uses_record): Plumbed flag field properly thru calls.
20154 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20155 This part fixes PR24762.
20156 (df_bb_refs_record): Added code to make the frame and arg
20157 pointers live in EH blocks.
20158 (df_refs_record): Added call to df_record_entry_block_defs.
20159 (df_record_entry_block_defs): New function.
20160 * df-core.c: Added comments to describe new artifical defs.
20161 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20162 (entry_block_defs): New field in struct df.
20163 (df_all_hard_regs): Deleted.
20164 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20165 * df-problems.c (df_ru_bb_local_compute_process_def):
20166 Added code to handle artifical defs in the entry to a function.
20167 (df_ru_bb_local_compute): Ditto.
20168 (df_rd_bb_local_compute_process_def): Ditto.
20169 (df_rd_bb_local_compute): Ditto.
20170 (df_lr_bb_local_compute): Ditto.
20171 (df_ur_bb_local_compute): Ditto.
20172 (df_urec_bb_local_compute): Ditto.
20173 (df_chain_create_bb): Ditto.
20174 (df_ur_local_finalize): Removed entry.
20175 (df_urec_init): Ditto.
20176 (df_urec_local_finalize): Ditto.
20177 (df_ri_bb_compute): Added detection of last use of pseudos.
20178 * Makefile.in (df-scan.o): Updated dependencies.
20179 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20180 * config/mips/mips.c (mips_set_live_on_entry): Added.
20181 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20183 * dce.c (marked_insn_p): Added code to handle artifical defs.
20185 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20187 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20189 (_mm_cvtsi128_si64): Likewise.
20190 (_mm_cvtsd_si64): Likewise.
20191 (_mm_cvttsd_si64): Likewise.
20192 (_mm_cvtsi64_sd): Likewise.
20193 (_mm_cvtsi64_si128): Likewise.
20194 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20195 (_mm_cvtsi64_m64): Likewise.
20196 (_m_to_int64): Likewise.
20197 (_mm_cvtm64_si64): Likewise.
20198 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20199 (_mm_cvttss_si64): Likewise.
20200 (_mm_cvtsi64_ss): Likewise.
20201 (_mm_cvtss_f32): Likewise.
20203 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20205 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20206 for pragma redefine_extname.
20208 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20211 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20212 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20213 -mno-minimal-toc to previous content.
20214 (bispecs): Remove goal.
20215 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20216 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20217 compatibility aliases on powerpc-*-*gnu*.
20218 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20219 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20220 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20221 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20222 (ldblspecs): New goal.
20223 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20224 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20226 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20227 L_sf_to_tf or L_df_to_tf is defined.
20229 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20230 Alan Modra <amodra@bigpond.net.au>
20233 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20234 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20235 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20236 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20237 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20238 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20239 (rs6000_override_options): Initialize rs6000_ieeequad.
20240 Initialize TFmode format to ibm_extended_format if not
20242 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20244 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20245 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20246 (function_arg_advance): IBM long double passed in two FPRs, not
20248 (function_arg): IBM long double passed in FPRs.
20249 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20250 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20251 Only multireg GPR aligned.
20252 (rs6000_init_libfuncs): Enable IBM long double functions if not
20254 (rs6000_generate_compare): Use IBM long double compare if not
20256 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20257 (TARGET_IEEEQUAD): Define.
20258 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20259 not TARGET_IEEEQUAD.
20260 * config/rs6000/rs6000.md: Enable TFmode patterns if
20262 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20263 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20264 and -mlong-double-128 are incompatible.
20265 * doc/invoke.texi (-mabi): Collect options together. Add
20266 ibmlongdouble and ieeelongdouble.
20268 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20270 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20272 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20273 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20274 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20275 * rtl.h (rtunion_def): Remove rt_ptr.
20277 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20278 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20279 * config/i386/winnt.c (i386_pe_mark_dllexport)
20280 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20282 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20284 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20286 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20290 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20291 pthread_key_delete. From John David Anglin. gthrw-ify
20292 pthread_getunique_np only if it it's not a macro. Delete
20294 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20295 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20296 __gthread_objc_condition_signal, __gthread_key_delete): Add
20297 "__attribute__ ((__unused__))" to unused arguments.
20298 (__gthread_recursive_mutex_init_function): Add missing return.
20299 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20300 gthr-posix95.h: Use macro-based approach for name redirection
20301 on targets missing weakref.
20303 2006-01-26 Zack Weinberg <zackw@panix.com>
20305 * genconditions.c (write_header): In generated code, #ifdef out
20306 all includes and fake declarations, except includes of bconfig.h
20307 and system.h, unless GCC_VERSION >= 3001. Do not include
20308 gensupport.h in any case.
20309 (write_conditions): Generate a definition of struct c_test. Add
20310 a comment to the generated #endif.
20311 (write_one_condition): Escape backslashes in string too.
20312 (write_writer): Generated code must escape backslashes and quote
20313 marks (but not newlines) in the strings it writes.
20314 * Makefile.in (build/gencondmd.o): Update dependencies.
20316 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20319 * Makefile.in (insn-automata.o): Add header file dependencies.
20320 * genautomata.c: Add includes.
20322 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20325 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20327 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20329 * configure.ac: Expect target tools paths to be passed from the toplevel
20330 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20332 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20334 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20337 * c.opt (Wpointer-sign): Init to -1.
20338 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20339 OPT_pedantic, to 0 otherwise.
20340 * doc/invoke.texi: Update.
20342 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20344 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20345 constants provided by 80387 instructions in the destination mode.
20347 2006-01-26 Richard Guenther <rguenther@suse.de>
20348 Andrew Pinski <pinskia@physics.uc.edu>
20351 partial PR tree-opt/17064
20352 * tree-ssa-structalias.c (intra_create_variable_infos):
20353 Create heap variables for incoming parameters if
20354 flag_argument_noalias > 1.
20355 (find_what_p_points_to): Look through default defs of
20358 2006-01-26 Jeff Law <law@redhat.com>
20361 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20362 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20363 within the VR_RANGE, use the VR_RANGE as the result, not the
20365 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20366 bounds for the type.
20368 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20370 * tree-ssa-alias.c (maybe_create_global_var): Change
20371 subvar walking to an assertion that we don't have subvar'd variables.
20373 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20376 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20377 Use a new variable, inner. PARM_DECLs are always non-weak.
20379 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20381 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20382 --disable-checking.
20384 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20386 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20388 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20390 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20391 (smax_insn, smin_insn, smax_0, smin_0): New.
20393 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20396 * config/cris/cris.c (cris_order_for_addsi3): New function.
20397 * config/cris/cris-protos.h: Prototype it.
20398 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20399 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20400 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20401 (split for "op.S1 [rx=rx+i],ry (swapped)")
20402 (split for "op(s|u).S1 [rx=rx+i],ry")
20403 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20404 Apply cris_order_for_addsi3 when generating addsi3 insns.
20406 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20408 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20409 (TREE_BLOCK): Add call to EXPR_CHECK.
20411 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20414 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20415 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20416 (dump_omp_clauses): ... here.
20417 (dump_generic_node): Handle OMP_CLAUSE.
20418 * tree.c (omp_clause_num_ops): New.
20419 (omp_clause_code_name): New.
20420 (tree_code_size): Handle OMP_CLAUSE.
20421 (tree_size): Likewise.
20422 (make_node): Document handling of OMP_CLAUSE.
20423 (tree_node_structure): Handle OMP_CLAUSE.
20424 (omp_clause_check_failed): New.
20425 (omp_clause_range_check_failed): New.
20426 (omp_clause_operand_check_failed): New.
20427 (build_omp_clause): New.
20428 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20429 * tree.h (enum omp_clause_code): Declare.
20430 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20431 (OMP_CLAUSE_RANGE_CHECK): Define.
20432 (OMP_CLAUSE_ELT_CHECK): Define.
20433 (omp_clause_check_failed): Declare.
20434 (omp_clause_operand_check_failed): Declare.
20435 (omp_clause_range_check_failed): Declare.
20436 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20437 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20438 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20439 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20440 (OMP_CLAUSE_IF_EXPR): Likewise.
20441 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20442 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20443 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20444 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20445 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20446 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20447 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20448 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20449 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20450 (OMP_CLAUSE_CODE): Define.
20451 (OMP_CLAUSE_SET_CODE): Define.
20452 (OMP_CLAUSE_CODE): Define.
20453 (OMP_CLAUSE_OPERAND): Define.
20454 (struct tree_omp_clause): Declare.
20455 (union tree_node): Add field 'omp_clause'.
20456 * treestruct.def (TS_OMP_CLAUSE): Define.
20457 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20458 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20459 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20460 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20461 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20462 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20463 (OMP_CLAUSE): Define.
20464 * print-tree.c (print_node): Handle OMP_CLAUSE.
20465 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20466 * c-typeck.c: Likewise.
20467 * gimplify.c: Likewise.
20468 * c-omp.c: Likewise.
20469 * tree-nested.c: Likewise.
20470 * tree-inline.c: Likewise.
20471 * c-parser.c: Likewise.
20472 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20475 2006-01-25 Roger Sayle <roger@eyesopen.com>
20477 PR rtl-optimization/25703
20478 * combine.c (try_combine): Handle zero_extract and strict_low_part
20479 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20481 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20483 * global.c: Fix comment typos.
20485 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20488 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20489 Use output_addr_const instead of assemble_name.
20491 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20493 * Makefile.in (sched-vis.o): Update dependencies.
20494 * haifa-sched.c (sched_finish): Clear current_sched_info.
20495 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20496 (dump_flow_info): Call it.
20497 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20499 * basic-block.h (dump_bb_info): Declare.
20500 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20501 option, and apply options only for dump files whose TDF_RTL,
20502 TDF_TREE, or TDF_IPA bits match.
20503 * rtl.h: Declare new functions exported from sched-vis.c.
20504 * sched-vis.c: Enable also if scheduling is not used.
20505 (print_value): Print the mode of registers if not inside scheduling.
20506 (print_insn): Make it work outside the scheduler. Beautify the output
20508 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20510 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20512 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20513 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20514 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20515 depending on the value of CONSTANT_POOL_ADDRESS_P.
20516 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20518 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20519 rather than SYMBOL_REF_DECL.
20520 (rtx_constant_pool): Remove const_rtx_sym_htab.
20521 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20522 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20523 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20524 Remove handling of const_rtx_sym_htab.
20525 (find_pool_constant): Delete.
20526 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20527 rather than find_pool_constant.
20528 (get_pool_constant_for_function): Delete.
20529 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20530 find_pool_constant.
20531 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20532 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20533 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20534 (SYMBOL_REF_CONSTANT): New macro.
20535 (get_pool_constant_for_function): Delete.
20536 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20537 rather than SYMBOL_REF_DECL.
20538 (i386_pe_mark_dllimport): Likewise.
20539 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20540 rather than SYMBOL_REF_DECL.
20541 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20542 (machopic_indirect_call_target): Likewise.
20544 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20546 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20548 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20550 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20552 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20554 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20556 2006-01-24 David Daney <ddaney@avtrex.com>
20559 * configure.ac (enable_tls): New enable option.
20560 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20561 * configure: Regenerate.
20562 * doc/install.texi (--enable-tls): Document new option.
20563 (--disable-tls): Ditto.
20565 2006-01-24 Richard Henderson <rth@redehat.com>
20567 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20568 * alias.c (true_dependence): Respect it.
20569 (canon_true_dependence, write_dependence_p): Likewise.
20570 * builtins.c (get_builtin_sync_mem): Set it.
20572 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20574 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20577 2006-01-24 DJ Delorie <dj@redhat.com>
20579 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20580 for storing constants in single-bit bitfields.
20582 2006-01-25 Ben Elliston <bje@au.ibm.com>
20584 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20586 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20589 * tree-ssa-pre.c (phi_translate): Return NULL
20590 for AGGREGATE_TYPE's.
20592 2006-01-24 Zack Weinberg <zackw@panix.com>
20594 * genautomata.c (process_state_for_insn_equiv_partition):
20595 Use xcalloc for insn_arcs_array.
20596 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20597 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20599 2006-01-24 Richard Henderson <rth@redhat.com>
20601 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20602 update all callers.
20604 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20606 PR rtl-optimization/25890
20607 PR rtl-optimization/25905
20608 * combine.c (expand_compound_operation, expand_field_assignment):
20609 Fail if the bitfield's final position is out of bounds.
20611 2006-01-24 Ian Lance Taylor <ian@airs.com>
20613 PR middle-end/25930
20614 * cgraphunit.c (cgraph_output_in_order): Don't clear
20615 cgraph_asm_nodes until after asm strings have been output.
20617 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20619 * fix-header.c (read_scan_file): Add new parameter imultilib when
20620 calling register_include_chains.
20622 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20624 * omp-low.c: Update documentation.
20626 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20627 Daniel Berlin <dberlin@dberlin.org>
20631 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20632 return from the function.
20634 2006-01-22 Zack Weinberg <zackw@panix.com>
20636 * rtl.def (match_code): Add second argument.
20637 * genpreds.c (write_extract_subexp): New function.
20638 (write_match_code): Add path argument. Use write_extract_subexp.
20639 (write_predicate_expr): Pass path to write_match_code.
20640 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20641 not perform a mode test.
20642 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20643 a subexpression does not constrain the top-level code set.
20644 * read-rtl.c (read_rtx_variadic): New function.
20645 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20646 * doc/md.texi: Document new notation.
20647 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20648 (cmpsi_operand): ... here, using new notation.
20650 2006-01-22 Zack Weinberg <zackw@panix.com>
20652 * varray.c: Remove GENERATOR_FILE #ifdefs.
20654 2006-01-22 Zack Weinberg <zackw@panix.com>
20656 * genautomata.c (output_reserved_units_table): Emit nothing if
20657 description->query_units_num is zero. Remove extra blank line.
20658 (output_cpu_unit_reservation_p): Short circuit
20659 if description->query_units_num is zero.
20661 2006-01-22 Zack Weinberg <zackw@panix.com>
20663 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20664 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20665 nor any of the random handful of variables that used to be necessary
20666 when this program was linked with rtlanal.o. Prune set of forward
20667 function declarations.
20668 (struct attr_desc): Remove static_p field.
20669 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20670 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20671 (attr_string): Do not read the character one past the length of
20673 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20674 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20675 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20676 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20677 (make_automaton_attrs): New.
20678 (main): Do not call into genautomata. Call local gen_bypass
20679 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20680 Remove special case for insn_alts.
20681 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20682 varray.h (leftover from previous change). Prune set of forward
20683 function declarations. Remove state_alts fields from all
20684 structures. Remove state_alts_table from struct automaton.
20685 Make everything except main static. Do not maintain num_dfa_decls.
20686 Do not maintain state_alts fields of various structures.
20687 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20688 (add_arc): Remove state_alts argument. All callers updated.
20689 (output_reserved_units_table): Emit #ifdef here...
20690 (output_tables): ...not here. Don't generate state_alts tables.
20691 (expand_automata): Don't generate attributes.
20692 (write_automata): Don't generate state_alts functions.
20693 (main): New function.
20694 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20695 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20696 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20697 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20698 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20699 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20700 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20701 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20703 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20704 * genattrtab.h: Delete file.
20705 * Makefile.in (OBJS-common): Add insn-automata.o.
20706 (insn-automata.o): New rule.
20707 (simple_generated_c): Add insn-automata.c.
20708 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20709 (genprogmd): Add automata.
20710 (build/genattrtab): Needs no extra objects nor libraries.
20711 (build/genautomata): Needs build/vec.o and -lm.
20713 2006-01-22 Zack Weinberg <zackw@panix.com>
20715 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20716 (output_dfa_max_issue_rate, locked_states_num): Delete.
20717 (struct automaton): Add locked_states field.
20718 (output_dead_lock_vect): Save number of locked states in
20719 automaton->locked_states. If it is zero, don't print anything.
20720 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20721 (output_internal_dead_lock_func): Only test the dead_lock_vect
20722 for automata that have locked states.
20723 (output_statistics): Always print the number of locked states for
20724 each automaton. Calculate total number of locked states here.
20725 (write_automata): Don't call output_dfa_max_issue_rate.
20726 * genattrtab.c: Define length_unit_log as a const variable.
20727 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20728 max_insn_queue_index const.
20729 * final.c (length_unit_log): Declare const.
20730 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20732 2006-01-22 Zack Weinberg <zackw@panix.com>
20734 * genautomata.c: Include vec.h, not varray.h.
20735 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20736 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20737 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20738 VEC_* macros operating on appropriately typed vectors, or to
20739 malloced arrays when the size is known in advance. Const-ify
20740 many char* variables and function arguments. No functional changes.
20741 * Makefile.in (build/varray.o): Delete rule.
20742 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20743 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20745 2006-01-22 Zack Weinberg <zackw@panix.com>
20747 * gensupport.c: Define get_insn_name and record_insn_name here.
20748 (read_md_rtx): Call record_insn_name as appropriate.
20749 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20750 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20751 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20753 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20754 (BUILD_VARRAY): Delete.
20755 (genprognormal): Rename genprogmd. Fold in all programs from
20756 genprognoprint; also attrtab.
20757 (build/genattrtab): Just mention genautomata.o and varray.o.
20758 Reorganize a bit, add comments to make the categories clearer.
20760 2006-01-22 Zack Weinberg <zackw@panix.com>
20762 * genconditions.c (condition_table, add_condition): Delete.
20763 (write_conditions): Don't emit n_insn_conditions nor
20764 insn_elision_unavailable. Issue the gcc version #ifdef here,
20765 inside the table, with no #else clause ...
20766 (write_header): ...not here.
20767 (write_writer): New function.
20768 (main): Don't initialize condition_table. Use add_c_test.
20770 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20771 files on the command line.
20772 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20773 Return -1 if there is no entry in the table, don't abort.
20774 (add_c_test, traverse_c_tests): New functions.
20775 * gensupport.h (insn_elision_unavailable, insn_conditions)
20776 (n_insn_conditions): Delete declarations.
20777 (add_c_test, traverse_c_tests): Declare.
20778 * read-rtl.c: Include gensupport.h.
20779 (read_conditions): New function.
20780 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20781 (read_rtx_1): If we get EOF when we were looking for an initial
20782 open paren, return 0. Call read_conditions when appropriate.
20783 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20784 dummy-conditions.o. Eliminate references to insn-conditions.o,
20785 or change them to build/gencondmd.o, as appropriate. Remove
20786 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20787 from $(simple_generated_c). For all files remaining in those
20788 two lists, add insn-conditions.md to the generator command line.
20789 Give insn-constants.h/s-constants their own rules. Add rules
20790 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20791 (build/read-rtl.o): Depend on gensupport.h.
20792 (genprognormal): Include preds.
20793 (genprogearly): Rename genprognoprint; only difference is now that
20794 they don't link with $(BUILD_PRINT).
20795 * dummy-conditions.c: Delete.
20797 2006-01-22 Zack Weinberg <zackw@panix.com>
20799 * genextract.c: Don't include insn-config.h. Do include vec.h.
20800 Declare vectors of int, char, and locstr.
20801 (locstr): New typedef.
20802 (struct extraction): Make all array fields into bare pointers.
20803 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20804 (insn_code_number): Delete.
20805 (accum_extract): New struct.
20806 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20807 (gen_insn): Take insn_code_number as an argument. Use an
20808 accum_extract structure instead of loading data directly into
20809 a struct extraction, and having to know how big it might get.
20810 (walk_rtx): Operate entirely on an accum_extract structure.
20811 (print_path): Avoid unnecessary use of printf.
20812 (print_header): New function, split out of main. Distinguish
20813 more carefully between an unrecognizable insn and an insn that
20814 has the code number of a define_expand.
20815 (main): Pass insn_code_number to gen_insn. Call print_header
20816 only after parsing. Avoid unnecessary use of printf.
20817 * Makefile.in (build/vec.o): New rule.
20818 (build/genextract): Depend on build/vec.o.
20819 (build/genextract.o): Don't depend on insn-config.h.
20821 2006-01-22 Zack Weinberg <zackw@panix.com>
20823 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20824 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20825 practical. Eliminate per-generator-program link rules.
20827 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20829 PR middle-end/24437
20830 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20831 with a call expr to ...
20832 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20834 2006-01-23 Richard Guenther <rguenther@suse.de>
20836 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20837 before make_edge with conditional EDGE_TRUE_VALUE.
20839 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20840 Jan Hubicka <jh@suse.cz>
20841 Richard Guenther <rguenther@suse.de>
20843 PR rtl-optimization/25654
20844 * cfgexpand.c (aggregate_contains_union_type): New function.
20845 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20846 for structure variables that contain a union type.
20848 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20850 * gengtype.c (new_structure): Return the structure.
20851 (create_option): Add an extra "next" argument.
20852 (create_field): New function.
20853 (adjust_field_rtx_def): Use create_option and create_field.
20854 Remove a now-unnecessary call to find_structure.
20855 (adjust_field_tree_def): Likewise.
20856 (note_yacc_type): Remove an unnecessary call to find_structure.
20857 * gengtype.h (new_structure): Return the structure.
20858 (create_option): Add an extra argument.
20859 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20860 (option): Adjust calls to create_option.
20862 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20864 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20866 2006-01-22 Paul Brook <paul@codesourcery.com>
20867 Peter Barada <peter@the-baradas.com>
20869 * config/m68k/m68k.md: Add Coldfire FPU support.
20870 Define FP mode macro and associated attributes.
20871 Use it for float mode patterns.
20872 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20873 (LIBCALL_VALUE): Use m68k_libcall_value.
20874 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20875 (m68k_function_value): Ditto.
20876 (emit_move_sequence): Ditto.
20877 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20878 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20879 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20880 (MULTILIB_EXCEPTIONS): Ditto.
20881 * config/m68k/m68k.opt: Add mcfv4e.
20882 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20883 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20884 (m68k_output_function_prologue): Save ColdFire FPU registers.
20885 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20886 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20887 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20888 ColdFire FPU registers.
20889 (m68k_libcall_value, m68k_function_value): New functions.
20890 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20891 (LIBCALL_VALUE): Use m68k_libcall_value.
20892 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20893 (MASK_COLDFIRE): Add MASK_CFV4E.
20894 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20895 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20896 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20897 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20898 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20899 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20900 * doc/invoke.tex: Document -mcfv4e on m68k.
20902 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20904 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20907 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20910 * c-opts.c (c_common_handle_option): Don't include
20911 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20912 * doc/invoke.texi (C++ Dialect Options): Document that
20913 -Wnon-virtual-dtor is no longer included in -Wall.
20915 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20917 * gcov.c (print_version), gcov-dump.c (print_version),
20918 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20921 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20923 * df-scan.c (problem_SCAN): Added NULL reset function.
20924 (df_scan_reset_blocks): Added code to call reset block function
20925 (df_bb_refs_delete) Fixed comment.
20926 (df_insn_refs_delete): Made tolerant of deleting non existent info
20927 for dataflow problems that need to be reset.
20928 * df-core.c (df_set_blocks): Ditto.
20929 * df.h (struct df_problem): Added reset_fun.
20930 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20931 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20932 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20933 functions to clear out all references to def-use or use-def chains.
20935 2006-01-21 Ben Elliston <bje@au.ibm.com>
20937 * varasm.c (assemble_real): Initialise data array.
20939 2006-01-20 Paul Brook <paul@codesourcery.com>
20941 Merge from csl-arm-branch.
20942 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20943 * config/arm/arm.md (movdi): Force operands[1] to a register
20944 if we have a non-register source.
20945 (*arm_movdi, *movdf_soft_insn): Require that one of the
20946 operands be a register.
20947 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20948 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20950 2006-01-20 DJ Delorie <dj@redhat.com>
20952 * varasm.c (initializer_constant_valid_p): Allow pointers
20953 initialized from integer constants of lesser precision.
20954 (output_constant): Allow non-int-sized pointer modes to be
20955 initialized from integer constants.
20957 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20960 * cppdefault.h (struct default_include): Add multilib flag.
20961 * cppdefault.c (cpp_include_defaults): Set it.
20962 * c.opt (-imultilib): New option.
20963 * c-opts.c (imultilib): New.
20964 (c_common_handle_option): Handle -imultilib.
20965 (c_common_post_options): Likewise.
20966 * c-incpath.c (add_standard_paths, register_include_chains):
20968 * c-incpath.h (register_include_chains): Add extra parameter.
20969 * gcc.c (do_spec_1): Generate -imultilib option.
20970 (The Specs Language): Update %I description.
20971 (process_command): Update copyright notice.
20972 * doc/cppopts.texi (-imultilib): Document.
20973 * doc/invoke.texi (-imultilib): Include in option summary.
20974 (%I): Update specs documentation.
20976 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20978 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20980 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20982 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20985 2006-01-20 Richard Guenther <rguenther@suse.de>
20986 Steven Bosscher <stevenb.gcc@gmail.com>
20988 PR rtl-optimization/24626
20989 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20990 EDGE_TRUE_VALUE if in RTL mode.
20993 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20994 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20996 2006-01-20 Dirk Mueller <dmueller@suse.com>
20999 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21000 instead of a special NOP marker.
21001 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21002 NOP marker handling.
21003 * c-common.h (empty_body_warning): Add forward declaration.
21004 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21005 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21007 2006-01-20 Paul Brook <paul@codesourcery.com>
21009 * Makefile.in (lang_checks): Keep going if mkdir fails.
21011 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21013 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21014 be able to clean out basic block when not necessary.
21015 (df_scan_free): Fixed to properly delete information if df is
21016 unused before calling df_finish.
21017 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21018 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21020 (df_bb_refs_delete): New function.
21021 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21022 * df-core.c (df_set_blocks): Added code to properly clean out
21023 unused blocks if they are not part of the blocks to consider.
21024 Added additional null check.
21025 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21026 be able to clean out basic block when not necessary
21027 * df.h (df_free_bb_function): Ditto.
21028 (df_bb_refs_delete): New function.
21029 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21030 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21031 basic block parameter to be able to clean out basic block when not
21033 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21034 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21035 Fixed to properly delete information if df is unused before
21038 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21040 PR rtl-optimization/25799
21041 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21042 Corrected confluence operator to remove bits from op2 before oring
21043 with op1 rather than removing bits from op1.
21044 (df_ru_transfer_function): Corrected test on wrong bitmap which
21045 caused infinite loop. Both of these problems were introduced in
21046 the dataflow rewrite.
21048 2006-01-19 DJ Delorie <dj@redhat.com>
21050 * reload1.c (find_reload_regs): Note the details of reload
21051 failures in the dump file.
21052 (spill_failure): Likewise.
21054 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21056 * loop-iv.c: Include df.h and hashtab.h.
21057 (enum iv_grd_result): New enum.
21058 (DF_REF_IV, DF_REF_IV_SET): New macros.
21059 (struct biv_entry): New.
21060 (df, bivs): New global variables.
21061 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21062 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21064 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21065 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21066 analyzed_for_bivness_p, record_biv): New functions.
21067 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21068 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21069 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21071 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21073 (iv_number_of_iterations): Use new interface to iv analysis.
21074 * loop-unroll.c: Do not include varray.h.
21075 (analyze_iv_to_split_insn): Use new interface to iv
21077 * loop-unswitch.c (may_unswitch_on): Ditto.
21078 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21080 (df_bb_modify): Realloc tables to the new index.
21081 (df_find_use): New function.
21082 * df.h (df_find_use): Declare.
21083 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21085 * cfgloop.h (struct rtx_iv): Remove analysed field.
21086 (iv_get_reaching_def): Removed.
21087 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21088 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21089 (loop-iv.o): Add df.h and hashtab.h dependency.
21090 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21092 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21095 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21097 (__floatundisf, __floatundidf): Likewise.
21098 * libgcc2.h (IS_IBM_EXTENDED): Define.
21100 2006-01-19 DJ Delorie <dj@redhat.com>
21102 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21104 2006-01-19 Paul Brook <paul@codesourcery.com>
21106 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21107 as nothrow when unwinding tables are disabled.
21109 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21112 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21113 of bit-field" when in system header.
21115 2006-01-19 DJ Delorie <dj@redhat.com>
21117 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21118 the 16 bit shift limit of the m16c.
21120 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21123 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21124 * config/i386/i386.c (output_set_got): Output the label if we have one
21125 for the TARGET_DEEP_BRANCH_PREDICTION case.
21127 2006-01-19 Jan Hubicka <jh@suse.cz>
21128 H.J. Lu <hongjiu.lu@intel.com>
21129 Evandro Menezes <evandro.menezes@amd.com>
21131 * invoke.texi (generic): Document
21133 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21134 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21135 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21136 (x86_use_incdec, x86_pad_returns): New variables
21137 (TARGET_CPU_DEFAULT_generic): New constant
21138 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21139 (enum processor_type): Add generic32 and generic64.
21140 * i386.md (cpu attribute): Add generic32/generic64
21141 (movhi splitter): Behave sanely when both partial_reg_dependency and
21142 partial_reg_stall are set.
21143 (K8 splitters): Enable for generic as well.
21144 * predicates.md (incdec_operand): Use TARGET_INCDEC
21145 (aligned_operand): Avoid memory mismatch stalls.
21146 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21147 * ppro.md: Enable for generic32
21148 * i386.c (generic64_cost, generic32_cost): New.
21149 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21150 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21151 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21152 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21153 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21154 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21155 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21156 x86_accumulate_outgoing_args, x86_prologue_using_move,
21157 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21158 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21159 Enable for generic.
21160 (x86_use_incdec, x86_pad_returns): New.
21161 (override_options): Add generic32 and generic64, translate "generic"
21162 to generic32/generic64 and "i686" to "generic32", refuse
21163 "generic32"/"generic64" as arch target.
21164 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21165 (ix86_reorg): Honor PAD_RETURNS.
21167 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21169 * tree-pretty-print.c (dump_generic_node): Handle
21170 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21171 * cgraph.c (cgraph_expand_queue): Rename from
21172 cgraph_analyze_queue. Update all users.
21173 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21174 cgraph_expand_queue.
21175 (cgraph_expand_all_functions): Likewise.
21176 (cgraph_finalize_pending_functions): Remove. Update callers.
21178 * tree.h (OMP_DIRECTIVE_P): Define.
21179 (OMP_PARALLEL_FN): Define.
21180 (OMP_PARALLEL_DATA_ARG): Define.
21181 (OMP_SECTIONS_SECTIONS): Define.
21182 * tree-pass.h (pass_expand_omp): Declare.
21183 * omp-low.c (struct omp_region): Declare.
21184 (struct omp_context): Remove fields 'parallel_type',
21185 'parallel_start_ix' and 'parallel_start_additional_args'.
21187 (struct omp_for_data): Rename from struct expand_omp_for_data.
21188 (omp_regions): New static variable.
21189 (root_omp_region): New static variable.
21190 (find_omp_clause): Make static.
21191 (is_in_combined_parallel_ctx): Remove.
21192 (is_combined_parallel): New.
21193 (extract_omp_for_data): Move earlier in the file.
21194 (workshare_safe_to_combine_p): New.
21195 (get_ws_args_for): New.
21196 (determine_parallel_type): Move earlier in the file.
21197 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21199 (omp_copy_decl): Likewise.
21200 (create_omp_child_function): Likewise.
21201 (lookup_omp_region): New.
21202 (dump_omp_region): New.
21203 (debug_omp_region): New.
21204 (debug_all_omp_regions): New.
21205 (new_omp_region): New.
21206 (scan_omp_parallel): If parallel_nesting_level > 1, the
21207 directive is nested within another parallel directive.
21208 Set OMP_PARALLEL_FN.
21209 (scan_omp_for): Do not try to handle combined parallel+for
21211 Remove FIXME comment.
21212 (scan_omp_nested): Remove.
21213 (scan_omp_1): Do not call scan_omp_nested when
21214 parallel_nesting_level is > 1.
21215 Do not change the DECL_CONTEXT of local variables found.
21216 (lookup_decl_in_outer_ctx): New.
21217 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21218 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21219 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21220 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21221 If CTX is nested, lookup VAR in the outer context when
21222 building copy assignment.
21223 (lower_send_clauses): Rename from expand_send_clauses.
21224 If CTX is nested, lookup VAR in the outer context when
21225 building copy assignments.
21226 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21227 If CTX is nested, lookup VAR in the outer context when
21228 building copy assignments.
21229 (expand_parallel_call): Rename from build_parallel_call.
21230 Handle combined parallel+workshare cases.
21231 Re-implement to emit code into the CFG.
21233 (expand_omp_parallel): Re-implement to emit code into the CFG.
21234 Call move_sese_region_to_fn to outline the sub-graph
21235 containing the parallel region.
21236 (expand_omp_for_1): Remove.
21237 (expand_omp_for_generic): Re-implement to emit code into the
21239 (expand_omp_for_static_nochunk): Likewise.
21240 (expand_omp_for_static_chunk): Likewise.
21241 (expand_omp_for): Likewise.
21242 (expand_omp_sections): Likewise.
21243 (remove_exit_barriers): New.
21244 (expand_omp_synch): New.
21246 (build_omp_regions_1): New.
21247 (build_omp_regions): New.
21248 (execute_expand_omp): New.
21249 (gate_expand_omp): New.
21250 (pass_expand_omp): Define.
21251 (lower_omp_sections): Rename from expand_omp_sections.
21252 Set OMP_SECTIONS_SECTIONS.
21253 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21254 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21255 (lower_omp_single): Rename from expand_omp_simple.
21256 (lower_omp_master): Rename from expand_omp_master.
21257 (lower_omp_ordered): Rename from expand_omp_ordered.
21258 (lower_omp_critical): Rename from expand_omp_critical.
21259 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21260 (lower_omp_for): Re-implement.
21261 (lower_omp_parallel): Re-implement.
21262 (lower_regimplify): Rename from expand_regimplify.
21263 (lower_omp_1): Rename from expand_omp_1.
21264 If there are syntax errors in the program, replace every
21265 OpenMP directive with NOP.
21266 Call lower_omp_* instead of expand_omp_*.
21267 (lower_omp): Rename from expand_omp.
21269 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21270 * tree-gimple.h (enum omp_parallel_type): Remove.
21271 (gimple_boolify): Declare extern.
21272 (find_omp_clause, determine_parallel_type): Remove.
21274 * gimple-low.c (lower_omp_directive): New.
21275 (lower_stmt): Call it.
21276 (record_vars_into): Move from ...
21277 (record_vars): ... here.
21278 Call record_vars_into with current_function_decl.
21280 * gimplify.c (struct gimplify_ctx): Remove fields
21281 combined_pre_p and combined_ctxp. Update users.
21282 (get_formal_tmp_var): Add documentation.
21283 (gimple_boolify): Make extern.
21284 (gimplify_expr_in_ctx): Remove. Update callers.
21285 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21286 will always be a BIND_EXPR.
21287 (gimplify_expr): Handle OMP_RETURN_EXPR.
21288 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21289 (OMP_PARALLEL): Add 3 operands.
21290 (OMP_SECTIONS): Add 1 operand.
21291 (OMP_RETURN_EXPR): Define.
21293 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21294 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21295 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21296 creating a circular free list.
21297 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21299 * tree-flow.h (move_sese_region_to_fn): Declare.
21300 (record_vars_into): Declare.
21301 * tree-cfg.c (make_omp_sections_edges): New.
21302 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21303 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21304 OMP_SECTIONS and OMP_SECTION.
21305 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21306 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21307 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21308 (gather_blocks_in_sese_region): New.
21309 (struct move_stmt_d): Declare.
21310 (move_stmt_r): New.
21311 (move_block_to_fn): New.
21312 (move_sese_region_to_fn): New.
21314 * passes.c (init_optimization_passes): Schedule
21315 pass_expand_omp after pass_init_datastructures.
21317 * tree-ssa-operands.c (get_expr_operands): Handle
21318 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21319 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21321 2006-01-19 Jeff Law <law@redhat.com>
21323 * tree-vrp.c (extract_range_from_assert): Refine the result range
21324 if the variable referenced by the ASSERT_EXPR has a range and
21325 either the tentative result range or the previous range is a
21328 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21330 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21332 2006-01-19 Jan Hubicka <jh@suse.cz>
21334 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21336 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21338 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21339 (expand_compound_operation, expand_field_assignment): Fail if the
21340 bit lengths of an extract operation are out of range.
21341 (make_extraction): Compute wanted_inner_mode based on the position
21342 and length of the extraction. Make it extraction_mode for non-constant
21343 positions, and do not modify offset in that case. When generating a
21344 new MEM, use a mode that can hold the extraction while keeping correct
21345 alignment. Remove code that supported MEMs wrapped by USEs.
21346 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21348 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21350 * config/s390/s390.md ("Y", "y"): New mode attribute.
21351 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21352 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21353 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21354 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21355 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21356 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21357 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21358 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21359 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21360 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21361 "addsi3", "subsi3"): Insn patterns removed.
21362 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21363 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21364 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21365 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21366 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21367 "*sub<mode>3_cconly2"): New insn patterns.
21368 ("addsi3", "subsi3"): New expanders.
21370 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21372 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21373 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21374 existing STMT_VINFO_VECTYPE if available.
21375 (vect_mark_relevant): Add special handling for stmts that are
21376 marked as STMT_VINFO_IN_PATTERN_P.
21377 (vect_analyze_loop): Call vect_pattern_recog.
21378 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21379 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21381 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21382 (vect_recog_func_ptr): New function-pointer type.
21383 * tree-vect-patterns.c: New file.
21384 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21385 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21386 (vect_pattern_recog_1): New functions.
21387 (vect_pattern_recog_funcs): New array of function pointers.
21389 * tree-vectorizer.h (ternary_op): New enum value.
21390 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21391 declaration. Revised documentation. Removed redundant dump prints.
21392 Removed redundant argument. Added support for reduction patterns.
21393 (vectorizable_reduction): Added support for reduction patterns.
21394 (vect_transform_stmt): Added support for patterns.
21396 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21397 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21398 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21399 (expand_widen_pattern_expr): New function.
21400 (init_optabs): Initialize new optabs udot_prod_optab,
21402 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21403 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21404 (expand_widen_pattern_expr): New function declaration.
21405 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21407 * tree-inline.c (estimate_num_insns_1): Added cases for new
21408 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21409 * tree-pretty-print.c (dump_generic_node): Likewise.
21410 (op_prio): Likewise.
21411 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21412 * tree-ssa-operands.c (get_expr_operands): Added case for
21414 * tree-vect-patterns.c (widened_name_p): New function.
21415 (vect_recog_dot_prod_pattern): Added function implementation.
21416 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21417 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21418 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21419 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21421 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21422 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21423 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21424 (init_optabs): Initialize new optabs widen_ssum_optab,
21426 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21427 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21428 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21429 use instead of type of def.
21430 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21431 function implementation.
21432 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21433 widen_ssumv8hi): New.
21435 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21438 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21441 * c-decl.c (add_flexible_array_elts_to_size): New function.
21442 (finish_decl): Use it.
21444 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21446 * diagnostic.h: Include options.h.
21447 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21448 dependancies for diagnostic.h.
21449 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21451 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21453 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21454 (ssa_ro_call_cache_valid): Ditto.
21455 * tree-ssa-alias.c (sort_tags_by_id): New function.
21456 (init_transitive_clobber_worklist): Ditto.
21457 (add_to_worklist): Ditto.
21458 (mark_aliases_call_clobbered): Ditto.
21459 (compute_tag_properties): Ditto.
21460 (set_initial_properties): Ditto.
21461 (compute_call_clobbered): Ditto.
21462 (compute_may_aliases): Call compute_call_clobbered and grouping.
21463 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21464 (compute_flow_insensitive_aliasing): Grouping now happens in our
21466 (setup_pointers_and_addressables): Remove clobbering related code.
21467 (add_may_alias): Ditto.
21468 (replace_may_alias): Ditto.
21469 (get_nmt_for): Ditto.
21470 (create_global_var):
21471 (is_escape_site): Return an escape_type enumeration.
21472 * tree-flow-inline.h (is_call_clobbered): Global var does not
21473 imply call clobbered.
21474 (mark_call_clobbered): Take a reason for marking this. Remove
21475 marking of globalness, and cache invalidation.
21476 (clear_call_clobbered): Remove cache invalidation code.
21477 * tree-dfa.c (dump_variable): If details is on, dump the reason
21479 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21481 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21482 (struct var_ann_d): Ditto.
21483 (enum escape_type): New.
21484 (mark_call_clobbered): Adjust prototype.
21485 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21486 are never call clobbered.
21487 Record reasons for escaping.
21488 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21489 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21490 (ssa_ro_call_cache_valid): Ditto.
21491 (clobbered_v_may_defs): Ditto.
21492 (clobbered_vuses): Ditto.
21493 (ro_call_vuses): Ditto.
21494 (clobber_stats): New.
21495 (init_ssa_operands): Zero out clobber stats.
21496 (fini_ssa_operands): Print out clobber stats.
21497 (get_call_expr_operands): Pass callee fndecl to
21498 add_call_read_ops).
21499 (add_call_clobber_ops): Remove use of cache.
21500 Add use of PURE_CONST information.
21501 (add_call_read_ops): Remove use of cache.
21502 Add use of static not_read information.
21504 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21506 Introduce TLS descriptors for i386 and x86_64.
21507 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21508 (TARGET_ANY_GNU_TLS): New macro.
21509 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21510 (struct machine_function): Add tls_descriptor_call_expanded_p.
21511 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21512 (ix86_current_function_calls_tls_descriptor): Likewise.
21513 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21514 (override_options): Introduce gnu2 tls dialect.
21515 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21517 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21519 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21520 (ix86_init_machine_status): Initialize new field.
21521 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21522 (ix86_tls_module_base): New.
21523 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21524 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21525 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21526 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21527 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21528 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21529 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21530 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21531 * config/i386/predicates.md (tls_modbase_operand): New.
21532 (tp_or_register_operand): New.
21534 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21536 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21537 (look_for_address_of): Ditto.
21538 (ipa_init): Walk the function decls.
21539 (static_execute): Don't set readonly on FUNCTION_DECL's.
21541 2006-01-18 Roger Sayle <roger@eyesopen.com>
21543 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21544 for shifts where the source and destination registers are different.
21546 2006-01-18 Paul Brook <paul@codesourcery.com>
21548 Merge from csl-arm-branch.
21549 2005-03-14 Julian Brown <julian@codesourcery.com>
21550 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21551 (aeabi_llsl): Likewise.
21552 (ashrdi3): Likewise.
21553 (aeabi_lasr): Likewise.
21554 (lshrdi3): Likewise.
21555 (aeabi_llsr): Likewise.
21556 2005-03-10 Julian Brown <julian@codesourcery.com>
21557 * config.gcc: Disable shared libgcc for SymbianOS.
21558 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21560 2006-01-18 DJ Delorie <dj@redhat.com>
21562 * c-pragma.c (handle_pragma_diagnostic): New.
21563 (init_pragma): Register it.
21564 * doc/extend.texi: Document it.
21566 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21567 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21568 (diagnostic_context): Add classify_diagnostic[].
21569 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21570 as errors if they're overridden to DK_WARNING.
21571 (diagnostic_initialize): Initialize classify_diagnostic[].
21572 (diagnostic_set_kind_override): New.
21573 (diagnostic_report_diagnostic): Check for kind changes.
21574 * opts.c (common_handle_option): Take lang_mask. Update callers.
21575 Handle OPT_Werror_.
21576 * common.opt (Werror=): New.
21577 * doc/invoke.texi: Document -Werror=*
21579 2006-01-18 Jeff Law <law@redhat.com>
21581 * tree-vrp.c (test_for_singularity): Correct test for new
21582 min limit. Use operand_equal_p rather than pointer equality
21583 for testing if new min/max values are equal.
21585 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21586 using range information until after propagation and folding.
21588 2006-01-18 Richard Henderson <rth@redhat.com>
21589 Aldy Hernandez <aldyh@redhat.com>
21590 Jakub Jelinek <jakub@redhat.com>
21591 Diego Novillo <dnovillo@redhat.com>
21593 * omp-low.c: New file.
21594 * c-omp.c: New file.
21596 2006-01-18 Richard Henderson <rth@redhat.com>
21597 Jakub Jelinek <jakub@redhat.com>
21598 Diego Novillo <dnovillo@redhat.com>
21600 * doc/invoke.texi: Document -fopenmp.
21601 * tree-dump.h (debug_function): Declare.
21602 * hooks.c (hook_bool_tree_bool_false): New function.
21603 (hook_tree_tree_null): Remove.
21604 (hook_tree_tree_tree_null): New.
21605 * hooks.h: Update to match.
21606 * tree-pretty-print.c (debug_tree_chain): New.
21607 (print_generic_expr): Handle TDF_CHAIN.
21608 (dump_generic_node): Handle BLOCK.
21609 Do not abort with incomplete SWITCH_EXPRs.
21610 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21611 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21612 print space after directive name.
21613 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21614 Handle OMP_MASTER and OMP_ORDERED.
21615 Handle printing of OMP_BODY just in one place, goto
21616 dump_omp_body in the rest of OMP_* nodes that have
21618 Don't handle clause nodes here. Update omp statements to
21619 use dump_omp_clauses.
21620 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21621 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21622 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21623 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21624 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21625 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21626 Adjust output for GOMP_PARALLEL.
21627 (dump_omp_clauses): New.
21628 (print_declaration): Dump DECL_VALUE_EXPR.
21629 (op_symbol_1): Split out of op_symbol.
21630 (dumping_stmts): Remove. Update all users.
21631 * cgraph.c (cgraph_analyze_queue): New.
21632 (cgraph_add_new_function): New.
21633 * cgraph.h (cgraph_analyze_queue): Declare.
21634 (cgraph_add_new_function): Declare.
21635 (cgraph_lower_function): Remove.
21636 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21637 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21638 and TYPE_P nodes in its default clause.
21639 (empty_body_p): New.
21640 (tree_range_check_failed): New.
21641 (build5_stat): New.
21642 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21643 OMP_CLAUSE_REDUCTION_MERGE,
21644 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21645 OMP_CLAUSE_PRIVATE_DEBUG,
21646 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21647 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21648 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21649 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21650 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21651 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21652 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21653 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21654 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21655 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21656 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21657 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21658 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21659 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21660 (TREE_RANGE_CHECK): New.
21661 (empty_body_p): Declare.
21662 (enum omp_clause_default_kind): New.
21663 (build_string_literal): Declare.
21664 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21665 (build5_stat, build5): Declare.
21666 * tree-pass.h (TDF_CHAIN): Define.
21667 * tree-pass.h (PROP_gimple_lomp): Define.
21668 (pass_lower_omp): Declare.
21669 * diagnostic.h (debug_tree_chain): Declare.
21670 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21672 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21673 * builtins.c (build_string_literal): Make extern.
21674 * gcc.c (include_spec_function): New.
21675 (static_spec_functions): Add it.
21676 (main): Move load of libgomp.spec ...
21677 (LINK_COMMAND_SPEC): ... here.
21678 (link_gomp_spec): New.
21679 (static_specs): Include it.
21680 (LINK_COMMAND_SPEC): Add link_gomp.
21681 (GOMP_SELF_SPECS): New.
21682 (driver_self_specs): Include it.
21683 (switch_matches): Don't mark inline.
21684 (main): Load libgomp.spec.
21685 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21686 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21687 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21688 * tree-gimple.h (enum omp_parallel): Declare.
21689 (determine_parallel_type): Declare.
21690 (omp_firstprivatize_variable): Declare.
21691 (omp_reduction_init): Declare.
21692 (diagnose_omp_structured_block_errors): Declare.
21693 (struct walk_stmt_info): Add want_return_expr.
21694 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21695 (find_omp_clause): Declare.
21696 (insert_field_into_struct): Declare.
21697 (struct walk_stmt_info): Move from tree-nested.c
21698 (walk_stmts): Declare.
21699 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21701 * cgraphunit.c (cgraph_lower_function): Make static.
21702 (cgraph_finalize_pending_functions): New.
21703 (cgraph_finalize_function): Call it.
21704 (cgraph_finalize_compilation_unit): Likewise.
21705 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21706 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21707 (BT_FN_UINT_UINT): New.
21708 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21709 DEF_FUNCTION_TYPE_VAR_4): Document.
21710 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21711 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21712 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21713 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21714 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21715 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21716 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21717 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21718 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21719 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21720 into separate files.
21721 (DEF_GOMP_BUILTIN): New.
21722 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21723 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21724 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21725 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21726 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21727 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21728 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21729 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21730 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21731 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21732 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21733 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21734 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21735 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21736 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21737 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21738 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21739 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21740 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21741 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21742 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21743 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21744 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21745 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21746 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21747 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21748 * sync-builtins.def: New file, moved from builtins.def.
21749 * omp-builtins.def: New file, moved from builtins.def.
21750 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21751 * gimple-low.c (lower_function_body): Clear data.
21752 (lower_stmt): Do not handle COMPOUND_EXPR.
21753 Remove call to print_node_brief.
21754 * c-tree.h (c_finish_omp_clauses): New prototype.
21755 (C_DECL_THREADPRIVATE_P): Define.
21756 (lookup_name_no_remap, c_omp_remap_private): Remove
21757 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21758 (check_for_loop_decls): Update decl.
21759 (lookup_name_no_remap, c_omp_remap_private): Declare.
21760 (build_indirect_ref, build_modify_expr, pushdecl,
21761 pushdecl_top_level): Move to c-common.h.
21762 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21763 before the switch, but just in the 2 places that need it.
21764 * c-decl.c (diagnose_mismatched_decls): Do not check for
21765 mismatched thread-local attributes when OLDDECL is marked
21766 threadprivate and NEWDECL has no thread-local attributes.
21767 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21768 (c_gimple_diagnostics_recursively): Rename from
21769 c_warn_unused_result_recursively. Invoke
21770 diagnose_omp_structured_block_errors.
21771 (check_for_loop_decls): Return a singular decl found.
21772 * langhooks.c (lhd_omp_predetermined_sharing): Return
21773 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21774 (lhd_omp_firstprivatize_type_sizes): New.
21775 (lhd_omp_assignment): New.
21776 (lhd_omp_predetermined_sharing): New.
21777 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21778 (struct lang_hooks_for_types): Add
21779 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21780 omp_predetermined_sharing, omp_disregard_value_expr,
21781 omp_private_debug_clause, omp_clause_default_ctor,
21782 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21783 (c_finish_omp_clauses): New.
21784 (c_finish_bc_stmt): Diagnose break within omp for.
21785 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21786 (build_unary_op): Return error_mark after reporting
21788 (build_modify_expr): Likewise.
21789 * gimplify.c: Include optabs.h and pointer-set.h.
21790 (enum gimplify_omp_var_data): Declare.
21791 (struct gimplify_omp_ctx): Declare.
21792 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21794 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21795 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21796 (splay_tree_compare_decl_uid): New.
21797 (new_omp_context): New.
21798 (delete_omp_context): New.
21799 (gimple_add_tmp_var): Call omp_add_variable.
21800 (gimplify_bind_expr): Likewise.
21801 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21802 true, disregard DECL_VALUE_EXPR on the decl if any.
21803 (gimplify_expr_in_ctx): New.
21804 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21805 omp_add_variable, omp_notice_variable, omp_is_private
21806 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21807 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21808 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21809 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21810 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21811 gimplify_omp_atomic): New.
21812 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21813 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21814 OMP_CRITICAL and OMP_ATOMIC.
21815 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21816 * c-pragma.h (enum pragma_kind): Add
21817 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21818 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21819 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21820 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21821 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21822 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21823 PRAGMA_OMP_THREADPRIVATE.
21824 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21825 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21826 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21827 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21828 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21829 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21830 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21831 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21832 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21833 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21834 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21835 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21836 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21838 (struct nesting_info): Add field_map,
21839 suppress_expansion, debug_var_chain.
21840 (create_nesting_tree): Initialize them.
21841 (lookup_field_for_decl): Use field_map.
21842 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21843 (convert_local_omp_clauses): New.
21844 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21845 (walk_body): Split out of walk_function.
21846 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21847 (convert_nonlocal_reference): Handle omp statements.
21848 (convert_local_reference): Likewise.
21849 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21850 (unnest_nesting_tree): New.
21851 (lower_nested_functions): Call it.
21852 (insert_field_into_struct): Make extern.
21853 (struct walk_stmt_info): Move to tree-gimple.h.
21854 (walk_stmts): Make extern.
21855 * omp-builtins.def: New file.
21856 * tree-iterator.c (expr_only): Clarify comment.
21857 * c-common.h (pushdecl_top_level, pushdecl,
21858 build_modify_expr, build_indirect_ref,
21859 c_finish_omp_master, c_finish_omp_critical,
21860 c_finish_omp_ordered, c_finish_omp_barrier,
21861 c_finish_omp_atomic, c_finish_omp_flush,
21862 c_finish_omp_for, c_split_parallel_clauses,
21863 omp_clause_default_kind, c_omp_sharing_predetermined,
21864 c_omp_remap_decl): Declare.
21865 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21866 (OBJS-common): Add omp-low.o.
21867 (c-omp.o, omp-low.o): Add.
21868 (gimplify.o): Add dependency on $(OPTABS_H).
21869 (GTFILES): Add omp-low.c.
21870 (gt-stringpool.h): Add.
21871 * tree-cfg.c (set_bb_for_stmt): Do not update the
21872 block-to-labels map if we are currently expanding to RTL.
21873 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21875 Handle IDENTIFIER_NODE.
21876 (tree_verify_flow_info): Do not ICE when emitting error
21877 messages about invalid labels.
21878 (dump_function_to_file): Reset CFUN before emitting the body
21880 (debug_function): New.
21881 * passes.c (init_optimization_passes): Schedule
21883 * langhooks-def.h (lhd_omp_predetermined_sharing,
21884 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21886 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21887 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21888 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21889 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21890 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21891 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21892 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21893 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21894 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21895 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21896 (LANG_HOOK_DECLS): Use them.
21898 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21899 Richard Henderson <rth@redhat.com>
21900 Jakub Jelinek <jakub@redhat.com>
21901 Diego Novillo <dnovillo@redhat.com>
21903 * c-parser.c (pragma_omp_clause): Define.
21904 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21905 (c_parser_compound_statement): Likewise.
21906 (c_parser_statement): Likewise.
21907 (c_parser_pragma): Handle omp pragmas.
21908 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21909 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21910 (c_parser_omp_clause_name, check_no_duplicate_clause,
21911 c_parser_omp_variable_list,
21912 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21913 c_parser_omp_clause_copyprivate,
21914 c_parser_omp_clause_default,
21915 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21916 c_parser_omp_clause_lastprivate,
21917 c_parser_omp_clause_nowait,
21918 c_parser_omp_clause_num_threads,
21919 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21920 c_parser_omp_clause_reduction,
21921 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21922 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21923 c_parser_omp_atomic, c_parser_omp_barrier,
21924 c_parser_omp_critical, c_parser_omp_flush,
21925 c_parser_omp_for_loop, c_parser_omp_for,
21926 c_parser_omp_master, c_parser_omp_ordered,
21927 c_parser_omp_sections_scope, c_parser_omp_sections,
21928 c_parser_omp_parallel, c_parser_omp_single,
21929 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21930 * c-pragma.c (init_pragma): Do omp pragma registration here.
21931 * c.opt (fopenmp): New flag.
21933 2006-01-18 Eric Christopher <echristo@apple.com>
21935 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21936 * config/darwin.h (GOMP_SELF_SPECS): Define.
21938 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21940 * rtl.h: Remove the prototype for reg_alloc.
21942 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21945 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21946 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21947 sjlj and dwarf2 exception handling.
21948 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21949 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21950 * pa/pa.c (function_value): Treat complex and vector types as
21952 (function_arg): Likewise. Only pass scalar floats in the floating
21953 point argument registers.
21954 * pa/t-slibgcc-dwarf-ver: New file.
21955 * pa/t-slibgcc-sjlj-ver: New file.
21956 * pa/t-slibgcc-elf-ver: Delete file.
21958 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21960 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21961 unlikely_test_section_p test.
21963 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21965 * mode-switching.c (optimize_mode_switching): Make it static.
21966 * basic-block.h: Remove the prototype for
21967 optimize_mode_switching.
21969 * modulo-sched.c (sms_schedule): Make it static.
21970 * rtl.h: Remove the prototype for sms_schedule.
21972 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21973 * rtl.h: Remove the prototype for gcse_after_reload_main.
21975 * reg-stack.c (reg_to_stack): Make it static.
21976 * rtl.h: Remove the prototype for reg_to_stack.
21978 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21980 * rtl.h: Remove the prototypes for regrename_optimize and
21981 copyprop_hardreg_forward.
21983 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21985 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21986 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21987 Test against the appropriate null constant for the mode.
21988 If 'fixup_overlap' is true, swap the operands if they overlap.
21989 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21990 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21991 alpha_split_tmode_pair and adjust for above change.
21992 * config/alpha/alpha.md (movtf_internal): Adjust call to
21993 alpha_split_tfmode_pair and rely on it to swap the operands.
21994 (movti_internal): New insn and post-reload splitter.
21995 (movti): New expander.
21997 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21999 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22002 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22004 * rtlanal.c (global_reg_mentioned_p_1,
22005 global_reg_mentioned_p): Remove.
22006 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22008 * flow.c (initialize_uninitialized_subregs): Make it static.
22009 * rtl.h: Remove the prototype for
22010 initialize_uninitialized_subregs.
22012 * function.c (instantiate_virtual_regs): Make it static.
22013 * function.h: Remove the prototype for
22014 instantiate_virtual_regs.
22016 * regmove.c (regmove_optimize, combine_stack_adjustments):
22018 * rtl.h: Remove the prototypes for regmove_optimize and
22019 combine_stack_adjustments.
22021 2006-01-17 Roger Sayle <roger@eyesopen.com>
22023 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22024 (size_cost): Encode costs in bytes so that a reg-reg addition is
22025 equivalent to COSTS_N_INSNS(1).
22026 (override_options): Use the size_cost.branch_cost as the default
22027 ix86_branch_cost when optimizing for size.
22029 2006-01-18 Ben Elliston <bje@au.ibm.com>
22031 * Makefile.in (D32PBIT_FUNCS): New.
22032 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22033 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22034 D64PBIT_FUNCS and D128PBIT_FUNCS.
22035 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22036 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22038 (decnumber_dep): Define.
22039 * doc/libgcc.texi (Decimal float library routines): New node.
22040 * config/dfp-bit.h, config/dfp-bit.c: New files.
22042 2006-01-18 Ben Elliston <bje@au.ibm.com>
22044 * expr.c (emit_move_change_mode): Always adjust addresses, not
22045 just during reload. Copy replacements only during reload.
22046 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22047 emit_move_via_integer.
22049 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22051 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22052 instead of $(srcdir) and ${srcdir}.
22054 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22057 PR middle-end/11135
22058 * arm.h (struct machine_function): Add pic_reg.
22059 * arm.c (arm_pic_register): Make unsigned.
22060 (arm_override_options): Only set arm_pic_register if
22061 TARGET_SINGLE_PIC_BASE.
22062 (use_return_insn): Only test for a pic register if it is fixed.
22063 (arm_compute_save_reg0_reg12_mask): Likewise.
22064 (thumb_compute_save_reg_mask): Likewise.
22065 (legitimate_pic_operand): Factor out some known invariants.
22066 (legitimize_pic_address): If we don't have a fixed pic register,
22067 then set up a pseudo in the function entry sequence. Handle the
22068 pic base being in a pseudo.
22069 (arm_load_pic_register): Handle the pic register being in a pseudo.
22070 (arm_expand_prologue): Only set up the pic register if it is fixed.
22071 (thumb_expand_prologue): Likewise.
22072 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22073 (pic_load_addr_based_insn): Likewise.
22074 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22077 2006-01-18 Ben Elliston <bje@au.ibm.com>
22079 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22080 decimal float modes for all floating point registers.
22082 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22083 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22085 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22088 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22089 even when the pointer is not NULL.
22091 2006-01-16 Ian Lance Taylor <ian@airs.com>
22093 * common.opt (ftoplevel-reorder): New option.
22094 * cgraph.c (cgraph_asm_nodes): New global variable.
22095 (cgraph_asm_last_node): New static variable.
22096 (cgraph_order): New global variable.
22097 (cgraph_create_node): Set new order field.
22098 (cgraph_varpool_node): Likewise.
22099 (decide_is_variable_needed): Return true if not
22100 flag_toplevel_reorder.
22101 (cgraph_add_asm_node): New function.
22102 * cgraph.h (struct cgraph_node): Add order field.
22103 (struct cgraph_varpool_node): Add order field.
22104 (struct cgraph_asm_node): Define.
22105 (cgraph_asm_nodes, cgraph_order): Declare.
22106 (cgraph_add_asm_node): Declare.
22107 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22109 (cgraph_varpool_assemble_pending_decls): Call it.
22110 (cgraph_output_pending_asms): New static function.
22111 (cgraph_finalize_compilation_unit): Call it.
22112 (struct cgraph_order_sort): Define.
22113 (cgraph_output_in_order): New static function.
22114 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22115 !flag_toplevel_reorder case.
22116 * c-parser.c: Include "cgraph.h".
22117 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22119 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22120 than -fno-unit-at-a-time.
22121 * doc/invoke.texi (Option Summary): Mention
22122 -fno-toplevel-reorder.
22123 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22124 -funit-at-a-time documentation.
22126 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22127 Kazu Hirata <kazu@codesourcery.com>
22129 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22131 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22133 * Makefile.in (FUNCTION_H): New. Use it instead of
22134 function.h throughout the file.
22135 * function.h: Include tree.h.
22137 2006-01-17 Ben Elliston <bje@au.ibm.com>
22139 * recog.c: Separate some functions with whitespace.
22141 2006-01-16 Richard Henderson <rth@redhat.com>
22143 Merge from gomp branch:
22144 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22145 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22146 and rename from struct inline_data. Rename callee* to dst*;
22147 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22148 transform_new_cfg, transform_return_to_modify, and
22149 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22151 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22152 (copy_decl_for_dup): Remove.
22153 * tree-inline.c (struct inline_data): Move to header.
22154 (insert_decl_map): Export.
22155 (remap_decl): Update for member name changes. Use copy_decl hook.
22156 Allow for replacement to be a non-decl. Remove dead code.
22157 (remap_type_1): Check for existing mapping.
22158 (remap_type): Export.
22159 (remap_decls): Update for member name changes.
22160 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22161 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22162 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22163 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22164 (tree_function_versioning, build_duplicate_type): Likewise.
22165 (copy_body_r): Likewise. Export.
22166 (copy_decl_for_dup): Split into ...
22167 (copy_decl_for_dup_finish, copy_decl_to_var,
22168 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22169 (replace_ref_tree, inlining_p): Remove.
22171 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22173 * ifcvt.c (if_convert): Make it static.
22174 * rtl.h: Remove the prototype for if_convert.
22176 * local-alloc.c (local_alloc): Make it static.
22177 * rtl.h: Remove the prototype for local_alloc.
22179 * loop.c (loop_optimize): Make it static.
22180 * cfgloop.h: Remove the prototype for loop_optimize.
22183 2006-01-16 DJ Delorie <dj@redhat.com>
22185 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22188 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22190 * pa.md: Disparage copies between general and floating-point registers
22191 in 32-bit move patterns.
22193 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22196 * Makefile.in (check-%): Depend on site.exp instead of
22197 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22200 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22202 * global.c (global_alloc): Make it static.
22203 * rtl.h: Remove the prototype for global_alloc.
22205 2006-01-16 Richard Guenther <rguenther@suse.de>
22207 * tree-ssa-alias.c (struct used_part): Add write_only field.
22208 (get_or_create_used_part_for): Initialize it to true.
22209 (create_overlap_variables_for): Don't create structure variables
22210 for structures that only are written to.
22211 (find_used_portions): Handle MODIFY_EXPR to track whether a
22212 structure is only written to.
22214 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22216 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22218 * basic-block.h: Remove the prototype for
22219 partition_hot_cold_basic_blocks.
22221 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22223 * cppspec.c (lang_specific_spec_functions): Remove.
22224 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22225 * gcc.h (lang_specific_spec_functions): Remove.
22226 * gccspec.c (lang_specific_spec_functions): Remove.
22228 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22230 * combine.c (record_value_for_reg): Invalidate registers
22232 (record_dead_and_set_regs_1): Likewise, by passing them to
22233 record_value_for_reg.
22234 (record_dead_and_set_regs): Invalidate stores made by a
22235 call. We do not combine across a call, but we still
22236 relied on equivalences.
22238 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22240 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22241 vrp_int_const_binop returning non-constant nodes.
22243 2006-01-16 Paul Brook <paul@codesourcery.com>
22245 * config/m68k/m68k.c (output_move_const_into_data_reg):
22246 Output correct mnemonic for mvz and mvs.
22248 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22250 * rtl-factoring.c: Add sequence abstraction algorithm.
22251 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22252 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22254 (block_has_preserve_label): New function.
22255 * common.opt: Register new pass.
22256 * Makefile.in: Ditto.
22258 * timevar.def: Ditto.
22259 * tree-pass.h: Ditto.
22260 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22261 * rtl.h (make_jump_insn_raw): Add forward decl.
22262 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22264 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22265 Roger Sayle <roger@eyesopen.com>
22267 * fold-const.c (fold_minmax): New static function.
22268 (fold_binary) <MIN_EXPR>: Call it.
22269 <MAX_EXPR>: Likewise.
22270 * stor-layout.c (place_field): Use DECL_SIZE consistently
22271 in the computation of the new record size.
22273 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22275 * cse.c (cse_condition_code_reg): Make it static.
22276 * rtl.h: Remove the prototype for cse_condition_code_reg.
22278 * combine.c (combine_instructions): Make it static.
22279 * rtl.h: Remove the prototype for combine_instructions.
22281 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22284 * tree.c (get_file_function_name_long): Concatenate the first global
22285 object name with a string derived from the input filename of the object
22288 2006-01-16 Ben Elliston <bje@au.ibm.com>
22290 * config/i386/winnt-stubs.c: Update FSF address.
22291 * config/xtensa/ieee754-df.S: Ditto.
22292 * config/xtensa/ieee754-sf.S: Ditto.
22294 2006-01-14 Ian Lance Taylor <ian@airs.com>
22296 * ifcvt.c (noce_init_if_info): New static function, broken out of
22297 noce_process_if_block.
22298 (noce_process_if_block): Call noce_init_if_info.
22299 (check_cond_move_block): New static function.
22300 (cond_move_process_if_block): New static function.
22301 (process_if_block): Call cond_move_process_if_block.
22303 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22305 * cselib.c (hash_table): Rename to cselib_hash_table.
22306 (cselib_clear_table, discard_useless_values,
22307 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22308 cselib_init, cselib_finish): Adjust uses of hash_table.
22310 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22312 PR tree-optimization/25485
22313 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22314 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22315 is known to be false and true, respectively.
22317 2006-01-14 Richard Guenther <rguenther@suse.de>
22319 PR tree-optimization/22548
22320 PR tree-optimization/22555
22321 PR tree-optimization/22501
22322 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22323 * params.def (salias-max-array-elements): New parameter.
22324 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22325 * doc/invoke.texi (salias-max-array-elements): Document.
22326 * tree-flow-inline.h (var_can_have_subvars): We also handle
22328 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22330 * tree-ssa-structalias.c (params.h): Include.
22331 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22332 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22333 (get_constraint_for): For ADDR_EXPR operating on something
22334 containing an ARRAY_REF, add all subvars to the solution.
22335 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22336 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22337 for creating MUST_DEFs.
22338 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22340 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22342 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22344 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22345 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22346 number_of_iterations_le): New functions.
22347 (number_of_iterations_special): Removed.
22348 (number_of_iterations_exit): Do not use number_of_iterations_special.
22349 * tree.c (unsigned_type_for): Always return integer type.
22351 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22352 Richard Guenther <rguenther@suse.de>
22354 PR rtl-optimization/24257
22355 * gcse.c (find_moveable_store): Only consider a store movable
22356 when the SET_SRC of the insn can be assigned to a register.
22358 2006-01-14 Ian Lance Taylor <ian@airs.com>
22360 * tree.c (tree_not_class_check_failed): New function.
22361 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22362 (tree_not_class_check_failed): Declare.
22364 2006-01-13 Ian Lance Taylor <ian@airs.com>
22366 * reload1.c (do_output_reload): Add assertion rejecting a
22369 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22371 * combine.c (struct reg_stat): Add new fields truncation_label and
22373 (record_value_for_reg): Reset truncated_to_mode.
22374 (record_truncated_value): New function.
22375 (check_promoted_subreg): Call it. Rename to check_conversions.
22376 (combine_instructions): Rename check_promoted_subreg to
22378 (reg_truncated_to_mode): New function.
22379 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22380 (gen_lowpart_or_truncate): New function.
22381 (force_to_mode): Use it instead of gen_lowpart.
22383 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22385 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22386 VAR is a tag, not its type tag.
22388 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22390 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22391 alternatives to match style of other entries.
22392 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22394 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22396 PR tree-optimization/25771
22397 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22400 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22403 * tree-inline.c (declare_return_variable): If the return variable
22404 was marked as a non gimple complex, set the return slot variable
22405 to be a non gimple comple variable.
22407 2006-01-13 Richard Guenther <rguenther@suse.de>
22409 * builtins.c (expand_builtin_sincos): New function.
22410 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22412 (expand_builtin): Expand sincos using expand_builtin_sincos.
22414 2006-01-12 DJ Delorie <dj@redhat.com>
22416 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22417 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22418 so that constant shifts can be split.
22419 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22420 (m32c_valid_pointer_mode): Make static.
22421 (shift_gen_func_for): New.
22422 (m32c_prepare_shift): Use it. Split large const shifts into
22424 * config/m32c/predicates.md (shiftcount_operand): Allow more
22426 (longshiftcount_operand): New.
22427 * doc/md.texi (Machine Constraints): Document In6.
22429 2006-01-13 Ben Elliston <bje@au.ibm.com>
22431 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22432 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22435 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22437 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22438 to try to avoid clobbering pieces of structures when we know
22439 something about the whole structure.
22440 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22442 2006-01-13 Ben Elliston <bje@au.ibm.com>
22444 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22445 return in memory, as this is no limitation is no longer present.
22447 2006-01-12 DJ Delorie <dj@redhat.com>
22449 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22450 mova with fb, and for fb+0 -> An.
22452 * config/m32c/mov.md (peephole2): Fix enabling logic.
22454 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22455 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22456 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22457 FINI_ARRAY_SECTION_ASM_OP): Define.
22459 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22461 (m32c_legitimize_reload_address): New logic to reload FB to An.
22462 (m32c_output_reg_push): Add newline.
22463 (m32c_output_reg_pop): Likewise.
22465 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22467 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22469 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22471 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22473 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22475 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22478 2006-01-11 Ben Elliston <bje@au.ibm.com>
22480 * rtlanal.c (find_reg_note): Assert insn is not null.
22482 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22484 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22487 2006-01-11 Jeff Law <law@redhat.com>
22489 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22491 (mark_threaded_blocks, register_jump_thread): New functions.
22492 (thread_through_all_blocks): Remove unwanted argument. No
22493 longer rely on e->aux to communicate thread target info.
22494 Call mark_threaded_blocks. Release the threaded_blocks
22495 bitmap and threaded_edges vector when complete.
22496 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22497 (threaded_blocks): Remove.
22498 (tree_ssa_dominator_optimize): Remove initialization and
22499 finalization of threaded_blocks. Simplify call to
22500 thread_through_all_blocks.
22501 (thread_across_edge): Call register_jump_thread rather than
22502 storing thread information into e->aux.
22503 (free_all_edge_infos): Simplify now that e->aux is no longer
22504 used to communicate with thread_through_all_blocks.
22505 * tree-flow.h (thread_through_all_blocks): Update prototype.
22506 (register_jump_thread): Prototype.
22508 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22510 * df-core.c (df_compact_blocks, df_bb_replace): Use
22511 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22513 2006-01-11 Richard Guenther <rguenther@suse.de>
22515 PR tree-optimization/25734
22516 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22517 stop propagation after successful propagation to the LHS.
22519 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22521 * basic-block.h (control_flow_graph): Change the type of
22522 x_basic_block_info to VEC(basic_block,gc) *.
22523 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22525 (SET_BASIC_BLOCK): New.
22526 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22527 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22528 * cfgbuild.c (find_basic_blocks): Likewise.
22529 * cfglayout.c (fixup_reorder_chain): Likewise.
22530 * cfgrtl.c (create_basic_block_structure,
22531 rtl_create_basic_block): Likewise.
22532 * ifcvt.c (find_if_case_1): Likewise.
22533 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22536 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22538 * Makefile.in: Removed rotted odf.c entry.
22540 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22543 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22544 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22545 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22546 output pattern modifier, not %e.
22547 * config/cris/cris.c (cris_op_str): Update comment about pattern
22549 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22550 before falling through into...
22551 <case 'E'>: Redefined from old 'e' case.
22553 2006-01-11 Jan Hubicka <jh@suse.cz>
22556 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22558 2006-01-11 Jan Hubicka <jh@suse.cz>
22560 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22561 * i386.c (x86_decompose_lea): Kill.
22562 (ix86_rtx_costs): Kill.
22564 2006-01-11 Jan Hubicka <jh@suse.cz>
22566 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22567 * cgraph.h (cgraph_node): Add inline_decl.
22568 (cgraph_insert_node_to_hashtable): Declare.
22569 (save_inline_function_body): Declare.
22570 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22572 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22573 (cgraph_function_versioning): Update call of tree_function_versioning.
22574 (save_inline_function_body): New function.
22575 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22576 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22577 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22578 (cgraph_default_inline_p): Likewise.
22579 (cgraph_decide_inlining_incrementally): Likewise.
22580 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22581 (copy_bb): Kill saving; do updating of clones.
22582 (copy_cfg_body): Kill saving.
22583 (initialize_inlined-parameters): Likewise.
22584 (expand_call_inline): Likewise.
22586 (tree_function_versioning): New parameter "update_clones".
22587 (inlining_p): Kill saving.
22588 * tree-inline.h (tree_function_versioning): Update prototype.
22589 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22592 2006-01-11 Ian Lance Taylor <ian@airs.com>
22594 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22595 Allow undoing set of machine mode.
22596 (do_SUBST): Use enums instead of is_int.
22597 (do_SUBST_MODE): New function.
22598 (SUBST_MODE): New macro.
22599 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22600 reg and trying to replace reg_regno_rtx with a new register.
22601 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22602 (simplify_set): Use SUBST_MODE.
22603 (distribute_notes): Remove code that tried to update reg notes
22604 for regno_reg_rtx changes.
22606 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22608 PR tree-optimization/23109
22609 PR tree-optimization/23948
22610 PR tree-optimization/24123
22612 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22613 * tree-cfg.c (single_noncomplex_succ): New.
22614 * tree-flow.h (single_noncomplex_succ): Declare it.
22615 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22616 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22617 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22618 insert_bb, register_division_in, insert_reciprocals,
22619 replace_reciprocal, free_bb): New.
22620 (execute_cse_reciprocals_1): Rewritten.
22621 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22622 Do not commit any edge insertion. Always compute dominators and
22623 create the allocation pool.
22624 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22625 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22626 * targhooks.c (default_min_divistions_for_recip_mul): New.
22627 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22628 * passes.c (init_optimization_passes): Run recip after tree loop
22630 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22632 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22633 Kenneth Zadeck <zadeck@naturalbridge.com>
22635 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22636 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22637 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22638 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22639 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22640 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22641 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22642 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22643 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22644 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22645 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22646 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22647 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22648 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22649 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22650 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22651 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22652 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22653 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22654 DF_SCAN_POST_ALLOC): New macros.
22655 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22656 df_free_bb_function, df_local_compute_function, df_init_function,
22657 df_dataflow_function, df_confluence_function_0,
22658 df_confluence_function_n, df_transfer_function,
22659 df_finalizer_function, df_free_function, df_dump_problem_function,
22660 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22661 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22662 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22663 df_urec_bb_info, ) New types.
22664 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22666 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22667 df_analyze_simple_change_some_blocks,
22668 df_analyze_simple_change_one_block, df_compact_blocks,
22669 df_bb_replace, df_bb_regno_last_use_find,
22670 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22671 df_insn_regno_def_p, df_find_def, df_find_use,
22672 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22673 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22674 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22675 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22676 debug_df_chain, df_get_dependent_problem, df_chain_create,
22677 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22678 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22679 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22680 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22681 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22682 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22683 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22684 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22685 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22686 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22687 df_reorganize_refs, df_set_state, df_hard_reg_init,
22688 df_read_modify_subreg_p) New public functions.
22689 * df-core.c: The core dataflow solver and glue routines for rtl
22691 (df_init, df_add_problem, df_set_blocks, df_finish,
22692 df_hybrid_search_forward, df_hybrid_search_backward,
22693 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22694 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22695 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22696 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22697 df_reg_defined, df_find_use, df_reg_used, df_dump,
22698 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22699 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22700 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22701 debug_df_useno, reset_df_after_reload): New functions.
22702 * df-scan.c: The scanning fuctions, once in df.c, completely
22703 rewritten so that they now fully model the functionality of
22704 register usage at the backend.
22705 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22706 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22707 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22708 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22709 df_get_artificial_defs, df_get_artificial_uses,
22710 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22711 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22712 df_refs_delete, df_reorganize_refs, df_set_state,
22713 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22714 df_def_record_1, df_defs_record, df_uses_record,
22715 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22716 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22717 df_record_exit_block_uses, df_hard_reg_init): New functions.
22719 * df-problems.c: Seven concrete dataflow problems that use the
22720 scanning in df-scan.c and are solved by the engine in df-core.c.
22721 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22722 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22723 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22724 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22725 df_ru_free_bb_info, df_ru_alloc,
22726 df_ru_bb_local_compute_process_def,
22727 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22728 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22729 df_ru_transfer_function, df_ru_free, df_ru_dump,
22730 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22731 df_rd_free_bb_info, df_rd_alloc,
22732 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22733 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22734 df_rd_transfer_function, df_rd_free, df_rd_dump,
22735 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22736 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22737 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22738 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22739 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22740 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22741 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22742 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22743 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22744 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22745 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22746 df_urec_mark_reg_use_for_earlyclobber,
22747 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22748 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22749 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22750 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22751 df_chain_create_bb_process_use, df_chain_create_bb,
22752 df_chain_finalize, df_chain_free, df_chains_dump,
22753 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22754 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22755 df_reg_lifetime): New functions.
22756 * df.c: Deleted file.
22757 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22758 consistent with new df api.
22759 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22760 rest_of_handle_sms): Ditto.
22761 * web.c (unionfind_union, union_defs, entry_register, web_main):
22763 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22764 invariant_expr_equal_p, find_defs, check_dependencies,
22765 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22766 free_inv_motion_data, move_loop_invariants): Ditto.
22767 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22768 Update dependencies.
22769 (odf.c): Added defective entry that was deleted later in day.
22770 * sched-deps.c (sched_analyze_1): Ditto.
22772 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22774 * tree-ssa-operands.c (get_expr_operands): Record addressable
22775 variables directly. Do not call add_stmt_operands for CONST_DECLs
22777 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22778 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22780 2006-01-11 Ben Elliston <bje@au.ibm.com>
22782 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22783 function returns true in the positive case.
22785 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22788 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22789 for SI, DI, SF and DF modes. Add alternatives to copy between
22790 general and floating point registers to the 32-bit patterns.
22791 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22792 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22793 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22794 generating 64-bit code.
22795 * config/pa/pa.c (output_move_double): Handle copies between general
22796 and floating registers.
22798 2006-01-10 Stuart Hastings <stuart@apple.com>
22800 * config/i386/i386.md (set_got): Update.
22801 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22802 (builtin_setjmp_receiver): Mach-O support.
22803 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22804 (GOT_SYMBOL_NAME): Define.
22805 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22806 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22807 * config/i386/i386.c (override_options): Revise for Darwin.
22808 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22809 support. (darwin_x86_file_end): New. (output_set_got): Add label
22810 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22811 * config/i386/i386-protos.h (output_set_got): Likewise.
22812 * config/darwin.c (machopic_legitimize_pic_address): Update
22815 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22817 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22818 when MODE isn't BLKmode.
22820 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22822 PR rtl-optimization/25367
22823 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22825 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22828 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22829 for a negative bound.
22831 2006-01-10 Richard Guenther <rguenther@suse.de>
22833 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22834 Never override with anything constraint.
22836 2006-01-10 Jan Beulich <jbeulich@novell.com>
22838 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22839 256 bits when optimize_size.
22841 2006-01-10 Jan Beulich <jbeulich@novell.com>
22843 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22845 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22846 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22849 2006-01-10 Ben Elliston <bje@au.ibm.com>
22851 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22853 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22854 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22855 (USE_FP_FOR_ARG): Reject decimal float modes.
22856 (function_arg_advance): Likewise.
22857 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22858 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22859 point types in AltiVec vectors.
22860 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22861 (rs6000_libcall_value): Likewise.
22863 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22865 * config/xtensa/ieee754-df.S: New file.
22866 * config/xtensa/ieee754-sf.S: New file.
22867 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22868 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22869 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22871 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22873 * config/sh/predicates.md (binary_float_operator,
22874 binary_logical_operator, commutative_float_operator,
22875 equality_comparison_operator, greater_comparison_operator,
22876 less_comparison_operator, logical_operator,
22877 noncommutative_float_operator, shift_operator,
22878 symbol_ref_operand, unary_float_operator): Remove redundant
22881 2006-01-09 Jeff Law <law@redhat.com>
22883 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22884 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22885 now unused arguments. Callers updated.
22886 (eliminate_redundant_computations): Remove now unused arguments,
22888 (local_fold): Remove, no longer used.
22889 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22891 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22892 (simplify_cond): New function.
22893 (forward_propagate_into_cond): Call simplify_cond.
22895 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22897 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22898 (*vec_extractv2di_1_sse): New.
22900 2006-01-09 Ben Elliston <bje@au.ibm.com>
22902 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22904 2006-01-08 Richard Guenther <rguenther@suse.de>
22906 * tree-ssa-structalias.c (get_constraint_for): Remove
22907 anyoffset argument.
22908 (get_constraint_for_component_ref): Likewise.
22909 (do_deref): Likewise.
22910 (get_constraint_for): Likewise.
22911 (do_structure_copy): Likewise.
22912 (handle_ptr_arith): Likewise.
22913 (find_func_aliases): Likewise. Remove unused need_anyoffset
22916 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22917 Kaz Kojima <kkojima@gcc.gnu.org>
22919 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22920 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22921 (EXTRA_CONSTRAINT_C16): Remove.
22922 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22923 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22924 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22925 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22926 constants of SHmedia. Handle nested constant expressions of
22928 (andcosts): Fix the costs for SHmedia constants.
22929 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22930 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22931 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22932 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22933 (movv4hi_i, movv2si_i): Likewise.
22934 (movsi_const): Adjust the second operand of ior so to match with
22935 the Csu constraint.
22936 (movdi_const, movdi_const_32bit): Likewise.
22937 (movdi_const_16bit+1): Don't sign-extend LOW.
22938 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22940 (*double_shori): Fix the split condition. Use GEN_INT instead
22941 of get_int_mode calls. Mask lower 16-bit of the argument of
22943 (sym2GOTPLT): Remove.
22944 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22946 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22947 instead of EXTRA_CONSTRAINT_C16.
22949 2006-01-07 Ian Lance Taylor <ian@airs.com>
22950 David Edelsohn <edelsohn@gnu.org>
22952 PR rtl-optimization/25662
22953 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22954 for constant operands instead of simplify_gen_binary.
22955 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22956 after trying simplify_binary_operation
22958 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22960 * tree.c (iterative_hash_expr): Hash decls based on UID.
22962 2006-01-06 Eric Christopher <echristo@apple.com>
22964 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22965 (TARGET_UNWIND_EMIT): Fix spelling.
22966 * target.h (gcc_target): Add except_table_label.
22967 * except.c (output_function_exception_table): Use.
22968 * varasm.c (default_emit_except_table_label): New.
22969 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22971 (asm_out): Add here.
22972 * output.h (default_emit_except_table_label): Prototype.
22973 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22974 * config/darwin.c (darwin_emit_except_table_label): Define.
22975 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22977 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22979 PR tree-optimization/18527
22980 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22981 number_of_iterations_special, number_of_iterations_exit):
22982 Move base and step of an iv to a single structure. Add
22983 no_overflow flag, and use it in # of iterations analysis.
22984 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22985 folded_casts argument.
22986 (simple_iv): Pass base and step in a structure. Set no_overflow
22988 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22989 Evaluate expensiveness of computing # of iterations instead of
22990 the final expression.
22991 * tree-scalar-evolution.h (affine_iv): New structure.
22992 (simple_iv): Declaration changed.
22993 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22994 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22995 find_givs_in_stmt): Changed due to simple_iv change.
22997 2006-01-06 Jeff Law <law@redhat.com>
23000 * tree-cfg.c (bsi_replace): Rename final argument from
23001 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23002 change (stmt -> orig_stmt).
23003 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23004 (bsi_remove): Add new argument. Remove EH information
23006 (verify_eh_throw_table_statements): New function.
23007 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23009 * tree-optimize.c (execute_free_cfg_annotations): Verify
23010 the EH throw statement table after removing annotations.
23011 * except.h (verify_eh_throw_table_statements): Prototype.
23012 * tree-flow.h (bsi_remove): Update prototype.
23013 * tree-vrp.c (remove_range_assertions): Add new argument to
23015 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23016 * tree-complex.c (expand_complex_div_wide): Likewise.
23017 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23018 * tree-tailcall.c (eliminate_tailcall): Likewise.
23019 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23020 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23021 * tree-nrv.c (tree_nrv): Likewise.
23022 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23023 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23024 (combine_blocks): Likewise.
23025 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23026 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23027 (cleanup_control_flow): Likewise.
23028 (remove_forwarder_block): Likewise.
23029 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23030 * tree-sra.c (sra_replace): Likewise.
23031 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23032 (forward_propagate_single_use_vars): Likewise.
23033 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23034 * tree-inline.c (expand_call_inline): Likewise.
23035 * tree-vect-transform.c (vect_transform_loop): Likewise.
23036 * tree-outof-ssa.c (rewrite_trees): Likewise.
23037 * tree-cfg.c (make_goto_expr_edges): Likewise.
23038 (cleanup_dead_labels): Likewise.
23039 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23040 (bsi_move_before, bsi_move_after): Likewise.
23041 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23042 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23044 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23047 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23049 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23050 on non gimple variables. Also add checks at the top for decls and
23052 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23054 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23055 and IMAGPART_EXPR for creating MUST_DEFs.
23056 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23057 and NAME_MEMORY_TAG separately from the DECLs.
23059 2006-01-06 Richard Guenther <rguenther@suse.de>
23061 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23062 annotation, if necessary.
23063 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23064 redundant calls to update_stmt.
23065 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23068 2006-01-05 Richard Henderson <rth@redhat.com>
23070 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23072 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23074 * c-typeck.c: Update copyright date.
23076 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23078 * c-typeck.c (build_c_cast): Always warn when casting
23079 from a pointer to an integer of different size, even if
23080 the node was constant.
23082 2006-01-05 Richard Guenther <rguenther@suse.de>
23084 PR tree-optimization/22555
23085 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23086 if one structure field is an array.
23087 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23088 operands even if we found a subvar, but ignore VOPs in this
23090 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23092 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23094 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23096 PR middle-end/24998
23097 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23099 2006-01-05 Richard Guenther <rguenther@suse.de>
23100 Diego Novillo <dnovillo@redhat.com>
23102 * tree-pass.h (TODO_remove_unused_locals): Define.
23103 * gimple-low.c (expand_var_p, remove_useless_vars,
23104 pass_remove_useless_vars): Remove. Update all users.
23105 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23106 (remove_unused_locals): New function.
23107 * tree-flow.h (remove_unused_locals): Declare.
23108 * passes.c (execute_todo): Call remove_unused_locals if
23109 TODO_remove_unused_locals is set.
23110 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23111 * tree-ssa-dce.c (pass_dce): Likewise.
23112 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23114 2006-01-05 Richard Guenther <rguenther@suse.de>
23116 * tree-flow.h (struct fieldoff): Decompose field to
23117 type, size and decl.
23118 * tree-ssa-alias.c (create_sft): Take type as parameter.
23119 (create_overlap_variables_for): Store type, size and decl
23120 in the fieldoff structure.
23121 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23122 of struct fieldoff.
23123 (push_fields_onto_fieldstack): Likewise.
23124 (create_variable_info_for): Likewise. Use offset for the
23125 SFT name if the decl is not available.
23127 2006-01-04 Paul Brook <paul@codesourcery.com>
23129 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23131 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23133 * lambda-code.c (can_put_in_inner_loop): Relax
23135 (can_put_after_inner_loop): New function.
23136 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23137 (perfect_nestify): Change to make copies and modify uses.
23139 2006-01-04 Richard Henderson <rth@redhat.com>
23141 Merge from gomp branch:
23142 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23143 via integer constant.
23144 (pragma_lex): Remove.
23145 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23146 rather than parsing it.
23147 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23148 handle_pragma_extern_prefix): Add %< %> quotes.
23149 (registered_pragmas): New.
23150 (c_register_pragma_1): New.
23151 (c_register_pragma): Use it.
23152 (c_register_pragma_with_expansion): Likewise.
23153 (c_invoke_pragma_handler): New.
23154 (init_pragma): Use cpp_register_deferred_pragma directly for
23156 * c-pragma.h (enum pragma_kind): New.
23157 (pragma_handler): New.
23158 (c_invoke_pragma_handler): Declare.
23159 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23161 * c-common.h (c_common_pch_pragma): Update decl.
23162 * Makefile.in (c-parser.o): Update dependencies.
23163 (GTFILES): Add c-pragma.h.
23164 * c-parser.c (struct c_token): Add pragma_kind.
23165 (struct c_parser): Add in_pragma.
23166 (c_lex_one_token): Always initialize keyword and pragma_kind.
23167 Extract data for CPP_PRAGMA.
23168 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23169 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23170 Don't allow CPP_PRAGMA_EOL if in_pragma.
23171 (c_parser_consume_pragma): New.
23172 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23173 (c_parser_skip_to_end_of_parameter): Likewise.
23174 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23175 (c_parser_skip_to_pragma_eol): New.
23176 (c_parser_external_declaration): Handle CPP_PRAGMA.
23177 (c_parser_compound_statement_nostart): Likewise.
23178 (c_parser_statement_after_labels): Likewise.
23179 (c_parser_pragma): New.
23180 (pragma_lex): Likewise.
23181 (c_parser_pragma_pch_preprocess): New.
23182 (c_parser_new): Merge into ...
23183 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23185 2006-01-04 Jeff Law <law@redhat.com>
23188 * tree-cfg.c (bsi_replace): Remove the original statement
23189 from the EH throw statement table.
23191 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23193 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23194 make the prototype extern "C" and add throw ().
23197 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23198 and pos non-negative and pos + len <= 32.
23199 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23200 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23201 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23204 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23205 as well as sizes not multiple of component size.
23208 * function.c (instantiate_expr): New function.
23209 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23210 walk its DECL_VALUE_EXPR with instantiate_expr.
23212 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23213 DW_OP_deref{,_size} if address isn't going to be added.
23215 2006-01-04 Ben Elliston <bje@au.ibm.com>
23217 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23218 * config/fp-bit.c: Likewise.
23220 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23222 * dominance.c: Add comment about why we use DFS numbering
23225 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23226 Richard Henderson <rth@redhat.com>
23228 Merge from gomp-branch:
23229 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23230 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23232 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23234 PR rtl-optimization/25578
23235 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23236 pass a parameter to simplify_shift_const if changing ASHIFTRT
23239 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23241 * builtins.c (get_builtin_sync_mem): New function.
23242 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23243 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23244 Call get_builtin_sync_mem to generate mem rtx.
23246 2006-01-03 Richard Guenther <rguenther@suse.de>
23249 * stmt.c (add_case_node): Make sure to clear overflow flags
23252 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23254 Merge from gomp-branch.
23255 * config/sparc/sync.md: New file.
23256 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23257 UNSPECV_LDSTUB): New constants.
23258 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23259 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23260 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23263 2006-01-03 Roger Sayle <roger@eyesopen.com>
23265 * combine.c (reg_subword_p): New predicate to test whether the
23266 destination of a set refers to a subword/piece of a register.
23267 (try_combine): Generalize the code to merge the setting of a
23268 pseudo to a constant followed by a set of a subword of that
23269 register to a constant.
23271 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23273 * basic-block.h (control_flow_graph): Change the type of
23274 x_label_to_block_map to VEC(basic_block,gc) *.
23275 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23276 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23278 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23279 VEC(basic_block,heap) *.
23280 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23281 ssa_prop_fini): Adjust the uses of cfg_blocks.
23283 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23285 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23287 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23288 hashing trees instead of a pointer hash.
23289 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23290 compare for MEM_EXPR.
23292 PR rtl-optimization/25130
23293 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23294 when comparing MEMs for GCSE
23296 2006-01-03 Ben Elliston <bje@au.ibm.com>
23298 * targhooks.h (default_decimal_float_supported_p): Declare.
23299 * targhooks.c (default_decimal_float_supported_p): Define.
23300 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23301 `default_decimal_float_supported_p'.
23302 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23304 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23306 * combine.c (apply_distributive_law <SUBREG>): Check
23307 TRULY_NOOP_TRUNCATION.
23309 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23311 * dwarf2out.c (have_switched_text_section): Delete.
23312 (have_multiple_function_sections): New.
23313 (have_location_lists): Make 'bool'.
23314 (add_AT_loc_list): Use 'true' not '1'.
23315 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23316 (output_loc_list): Use have_multiple_function_sections.
23317 (output_ranges): Likewise.
23318 (dwarf2out_begin_function): Set have_multiple_function_sections if
23320 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23321 Check function_section rather than DECL_SECTION_NAME.
23322 (dwarf2out_finish): Use have_multiple_function_sections.
23323 Don't clear have_location_lists.
23325 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23326 Jan Hubicka <jh@suse.cz>
23328 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23329 case of conditional jump jumping to the next instruction.
23330 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23331 cases of conditional jump jumping to the next instruction.
23333 2006-01-02 Jan Hubicka <jh@suse.cz>
23335 * i386.c (*_cost): Add COSTS_N_INSNS.
23336 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23338 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23341 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23343 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23345 * config/arm/arm.c (all_fpus): Fix comment typo.
23346 * config/darwin.c: Likewise.
23347 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23348 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23349 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23351 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23353 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23354 (rs6000_split_compare_and_swapqhi): New.
23355 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23356 (sync_compare_and_swapqhi_internal): New.
23357 * config/rs6000/rs6000-protos.h: Declare.