1 2006-12-18 Andrew Pinski <pinskia@gmail.com>
4 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
5 READONLY on __builtin_altivec_mask_for_load instead of adding
8 2006-12-18 Roger Sayle <roger@eyesopen.com>
9 Eric Christopher <echristo@apple.com>
12 * real.c (real_maxval): Correctly handle IBM extended double format.
14 2006-12-19 Jan Hubicka <jh@suse.cz>
16 * expmed.c (expand_mult_const): Force operand to constant.
17 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
18 copy_rtx to arguments.
20 2006-12-19 Ben Elliston <bje@au.ibm.com>
22 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24 2006-12-19 Ben Elliston <bje@au.ibm.com>
26 * cse.c (cse_insn): Fix formatting.
28 2006-12-18 Geoffrey Keating <geoffk@apple.com>
30 * doc/invoke.texi (Debugging Options): Document -g0.
31 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
32 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
34 2006-12-18 Ian Lance Taylor <iant@google.com>
36 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
37 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
40 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
42 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
43 (struct vuse_optype_d): Delete.
44 (SSA_OPERAND_MEMORY_SIZE): Delete.
45 (struct ssa_operand_memory_d): Change mem array to size one.
46 (NUM_VOP_FREE_BUCKETS): Define.
47 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
48 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
49 * tree-pretty-print.c (dump_vops): Use voptype_d type.
50 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
51 which fit into a chunk of memory from a specific bucket.
52 (vop_free_bucket_index): New. Find correct size memory bucket.
53 (init_vop_buckets): New. Initialize VOP free memory buckets.
54 (add_vop_to_freelist): New. Add a VOP to the correct free list.
55 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
56 (init_ssa_operands): Initialize operand memory and free lists.
57 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
58 (ssa_operand_alloc): Use graduated size memory allocation.
59 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
60 INITIALIZE_USE): Remove.
61 (alloc_vop): New. Allocate a virtual operand.
62 (alloc_vdef, alloc_vuse): Delete.
63 (add_def_op, add_use_op): Directly setup pointers.
64 (add_vop): New. Add a virtual operand.
65 (add_vuse_op, add_vdef_op): Call add_vop.
66 (realloc_vop): New. Reallocate a virtual operand.
67 (realloc_vdef, realloc_vuse): Call realloc_vop.
68 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
69 (finalize_ssa_defs): Optimize for common case, remove code based on
70 sorted pointers which was a waste of time.
71 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
72 (finalize_ssa_uses): Update last pointer.
73 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
74 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
75 directly manipulate pointers.
76 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
78 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
80 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
81 determine if memory operand is an indexed address or not.
83 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
85 * cselib.c (struct cselib_val_struct): Make val_rtx its
86 own field, remove the union that contained it.
87 * cselib.c: Update accordingly where necessary.
89 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
91 * cse.c (have_eh_succ_edges): New function.
92 (cse_insn): Don't remove dead EH edges here
93 (cse_extended_basic_block): Do it here.
94 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
95 that we have removed all dead edges.
97 2006-12-17 Matthias Klose <doko@debian.org>
100 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
102 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
104 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
105 (cse_extended_basic_block): When truncating a path while processing
106 it, make sure to clear the visited bit on the basic blocks in the
107 truncated part of the path.
108 (cse_main): Use reverse completion order, not DFS order, to walk
110 (gate_handle_cse): Revert erroneous commit of a counter.
112 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
114 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
115 variables, moved out from cse_insn.
116 (prev_insn): Remove this global variable).
117 (new_basic_block): Don't set it.
118 (cse_insn): Idem. Also, move code to delete unused CC0-setter
119 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
121 (cse_extended_basic_block): ...to here. Do not clear
122 prev_insn_cc0 until after recording equivalences from jumps.
124 2006-12-16 Jan Hubicka <jh@suse.cz>
126 * cgraphunit.c (ipa_passes): Clear current_function_decl.
128 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
130 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
132 2006-12-16 Jan Hubicka <jh@suse.cz>
134 * omp-low.c (expand_omp_parallel): Set function properties.
135 * function.h (struct function): Add curr_properties and last_verified.
136 * passes.c (register_dump_files): Do not set TODO_set_props for the
138 (init_optimization_passes): Set it here; reorder initialization so the
139 dump files appear in more logical order.
140 (last_verified, curr_properties): Kill.
141 (do_per_function): New function.
142 (execute_function_todo): Break out from ...
143 (execute_todo): ... here; handle per-function flags.
144 (clear_last_verified, verify_curr_properties,
145 update_properties_after_pass): New functions.
146 (execute_one_pass): Handle per-function properties.
147 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
148 and current_function_decls are cleared out.
149 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
152 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
155 * c.opt (Wempty-body): New.
156 * doc/invoke.texi (Wempty-body): Document it.
157 (Wextra): Enabled by -Wextra.
158 * c-opts.c (c_common_post_options): Enabled by -Wextra.
159 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
160 * c-parser.c (c_parser_c99_block_statement): Likewise.
162 2006-12-15 Jakub Jelinek <jakub@redhat.com>
165 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
168 2006-12-15 Andrew Pinski <pinski@gmail.com>
171 * tree-inline.c (setup_one_parameter): Gimplify the statement if
172 the variable is not a gimple register variable.
174 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
176 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
178 2006-12-14 Jan Hubicka <jh@suse.cz>
180 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
183 2006-12-14 Richard Guenther <rguenther@suse.de>
185 PR tree-optimization/30197
186 * builtins.c (fold_builtin_cexp): New function to fold cexp
187 to cexpi and exp parts.
188 * tree-ssa-pre.c (try_combine_conversion): Also handle
189 REALPART_EXPR and IMAGPART_EXPR.
191 2006-12-14 Richard Guenther <rguenther@suse.de>
194 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
195 + __complex__ ( 0, y ) to __complex__ ( x, y ).
196 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
198 2006-12-14 Richard Guenther <rguenther@suse.de>
200 PR tree-optimization/30198
201 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
202 Fold IMAGPART_EXPR of cexpi to sin.
204 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
205 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
207 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
208 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
210 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
211 (spu_builtin_mask_for_load): New.
212 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
213 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
214 (vec_realign_load_<mode>, spu_lvsr): New.
216 2006-12-13 Ian Lance Taylor <iant@google.com>
220 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
221 to warn_about_parentheses in c-common.c.
222 * c-common.c (warn_about_parentheses): New function.
223 * c-common.h (warn_about_parentheses): Declare.
224 * doc/invoke.texi (Warning Options): Update -Wparentheses
227 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
229 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
231 (constant_multiple_of): Fix order of operators for division.
232 (aff_combination_const, aff_combination_elt, aff_combination_scale,
233 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
234 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
235 aff_combination_to_tree): Moved to tree-affine.c and made to work with
236 double_int coefficients.
237 (get_computation_aff, get_computation_at): Work with double_int
239 (get_computation_cost_at): Do not use divide.
240 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
241 Assert that expressing the computation did not fail.
242 * tree-ssa-address.c: Include tree-affine.h.
243 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
244 create_mem_ref): Work with double_int coefficients.
245 * tree-affine.c: New file.
246 * tree-affine.h: New file.
247 * tree-flow.h (struct affine_tree_combination): Removed.
248 * Makefile.in (tree-affine.o): Add.
249 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
252 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
256 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
257 the offset == 0 "then" clauses.
258 * config/rs6000/predicates.md (gpc_reg_operand): Check for
261 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
263 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
264 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
265 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
266 (FRAME_POINTER_REGNUM): Update register number to 20.
267 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
268 (HI_REGISTER_NAMES): Remove "dirflag".
270 * config/i386/i386.c (regclass_map): Remove dirflag entry.
271 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
273 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
275 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
276 (sse_prologue_save, *sse_prologue_save_insn): Renumber
277 hardcoded SSE register numbers.
279 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
280 hardcoded MMX register numbers.
283 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
285 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
286 FLDMX. Rename function to...
287 (vfp_output_fldmd): ...this.
288 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
290 (vfp_output_fstmd): ...this.
291 (vfp_emit_fstmx): Don't leave space in the frame layout for the
292 FSTMX format word. Rename function to...
293 (vfp_emit_fstmd): ...this.
294 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
296 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
297 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
298 word. Also emit "vsave" assembler directives in such cases rather
300 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
301 gnu_Unwind_Save_VFP): Adjust comments.
302 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
303 for saving and restoring using FSTMD and FLDMD rather than
305 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
306 New functions for saving and restoring the VFPv3 registers 16 .. 31.
307 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
308 compilation case to correctly handle unwind opcode 0xc8 when using
310 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
311 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
312 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
313 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
315 (restore_non_core_regs): Restore registers using FLDMD rather than
316 FLDMX if required. Also handle restoration of VFPv3 registers.
317 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
318 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
319 including cases where the caller specifies a range of registers
320 that overlaps the d15/d16 boundary.
322 2006-12-13 Diego Novillo <dnovillo@redhat.com>
325 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
326 accomodate 511 operands.
328 2006-12-13 Richard Guenther <rguenther@suse.de>
330 * builtins.c (expand_builtin_cexpi): Fix typo.
332 2006-12-13 Jan Hubicka <jh@suse.cz>
334 * Makefile.in: Add dependencies.
335 * tree-pretty-print.c: Include value-prof.h
336 (dump_generic_bb_buff): Dump histograms
337 * value-prof.c: Include pointer-set.h
338 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
339 set_histogram_value, gimple_histogram_value,
340 gimple_add_histogram_value, gimple_remove_histogram_value,
341 gimple_histogram_value_of_type, dump_histogram_value,
342 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
343 gimple_duplicate_stmt_histograms, visit_hist,
344 verify_histograms): New functions.
345 (tree_value_profile_transformations): Update for new histogram API.
346 (tree_divmod_fixed_value): Update for new histogram API.
347 (tree_divmod_fixed_value_transform): Update for new histogram API.
348 (tree_mod_pow2): Update for new histogram API.
349 (tree_mod_pow2_value_transform): Update for new histogram API.
350 (tree_mod_subtract): Update for new histogram API.
351 (tree_mod_subtract_transform): Update for new histogram API.
352 (tree_stringops_transform): Update for new histogram API.
353 (tree_divmod_values_to_profile): Update for new histogram API.
354 (tree_stringops_values_to_profile): Update for new histogram API.
355 (tree_find_values_to_profile): Update for new histogram API.
356 * value-prof.h (gimple_histogram_value): Declare.
357 (gimple_histogram_value_of_type): Declare.
358 (gimple_add_histogram_value): Declare.
359 (gimple_remove_histogram_value): Declare.
360 (dump_histograms_for_stmt): Declare.
361 (gimple_remove_histogram_value): Declare.
362 (gimple_remove_stmt_histograms): Declare.
363 (gimple_duplicate_stmt_histograms): Declare.
364 (verify_histograms): Declare.
366 (struct funrction): Add value_histograms hash.
367 (VALUE_HISTOGRAMS): New macro.
368 * profile.c (compute_value_histograms): update for new API.
369 * tree-inline.c: Include value-prof.h
370 (copy_bb): Update histograms.
371 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
372 reorder to get smaller memory layout.
373 * tree-cfg.c: Include value-prof.h
374 (bsi_remove): Update histograms.
375 (bsi_replace): Update histograms.
376 (verify_stmts): Call histogram verifier.
377 (tree_duplicate_bb): Update histograms.
378 (move_block_to_fn): Update histograms.
380 2006-12-13 Richard Guenther <rguenther@suse.de>
382 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
384 (cgraph_decide_inlining): Likewise.
386 2006-12-13 Richard Guenther <rguenther@suse.de>
388 PR tree-optimization/17687
389 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
390 New builtins for imaginary argument cexp.
391 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
392 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
393 New required builtin types.
394 * builtins.c (expand_builtin_cexpi): Declare.
395 (mathfn_built_in): Handle BUILT_IN_CEXPI.
396 (expand_builtin_cexpi): New static helper.
397 (expand_builtin): Call it.
398 (do_mpfr_sincos): Adjust for CEXPI evaluation.
399 (fold_builtin_sincos): New function to fold sincos to cepxi.
401 2006-12-13 Richard Guenther <rguenther@suse.de>
403 * ipa-reference.c (scan_for_static_refs): Also scan
404 tcc_comparison class trees.
406 2006-12-12 David Daney <ddaney@avtrex.com>
408 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
411 2006-12-12 Andrew Pinski <pinskia@gmail.com>
413 * tree-vect-transform.c (vect_permute_load_chain):
414 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
417 2006-12-13 Sa Liu <saliu@de.ibm.com>
418 Ben Elliston <bje@au.ibm.com>
420 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
421 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
422 * config/spu/spu-protos.h (spu_c_common_override_options):
424 * config/spu/spu-c.c (spu_c_common_override_options): New.
425 * config/spu/spu.c (spu_override_options): Whitespace fix.
427 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
429 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
431 2006-12-12 Geoffrey Keating <geoffk@apple.com>
433 * mips-tdump.c: Replace CROSS_COMPILE with
434 CROSS_DIRECTORY_STRUCTURE.
435 * mips-tfile.c: Likewise.
437 * configure.ac: Likewise.
438 * cppdefault.c: Likewise.
439 * Makefile.in: Likewise.
440 * config/alpha/osf.h: Likewise.
441 * config/i386/cygwin.h: Likewise.
442 * config/i386/beos-elf.h: Likewise.
443 * config/i386/nto.h: Likewise.
444 * config/fr30/fr30.h: Likewise.
445 * config/svr4.h: Likewise.
446 * config/rs6000/aix.h: Likewise.
447 * config/rs6000/sysv4.h: Likewise.
448 * config/pa/pa64-hpux.h: Likewise.
449 * config/pa/pa-hpux10.h: Likewise.
450 * config/pa/pa-hpux11.h: Likewise.
451 * collect2.c: Likewise.
452 * configure: Regenerate.
454 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
455 actually takes an unsigned HOST_WIDE_INT for its second parameter.
457 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
459 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
460 (spu_encode_section_info): New.
461 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
462 (SYMBOL_FLAG_ALIGN1): New.
464 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
467 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
468 bitmap for EXECUTE_IF_SET_IN_BITMAP.
470 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
473 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
474 (DECL_GIMPLE_REG_P): This.
475 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
477 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
478 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
479 and check for VECTOR_TYPE.
480 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
482 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
484 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
485 and check for VECTOR_TYPE.
486 (gimplify_bind_expr): Likewise.
487 (gimplify_function_tree): Likewise.
488 * expmed.c: Include target.h.
489 (extract_bit_field): For vector mode, try find a better mode first.
490 If that fails use gen_lowpart (for vectors only).
491 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
492 and check for VECTOR_TYPE.
493 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
494 (insert_into_preds_of_block): Likewise.
495 (insert_fake_stores): Create gimple register store_tmps for
497 * tree-sra.c (sra_elt): New field, is_vector_lhs.
498 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
499 are the left hand side, set the element's is_vector_lhs to true.
500 (instantiate_element): For vector types which were on the left
501 hand size, set DECL_GIMPLE_REG_P to false.
502 * tree-nested.c (create_tmp_var_for): Use the renamed
504 * tree-inline.c (declare_return_variable): Use the renamed
505 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
506 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
507 (copy_result_decl_to_var): Likewise.
508 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
509 create a gimple register variable.
510 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
511 vect_inter_* temp variables.
512 * Makefile.in (expmed.o): Update dependencies.
514 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
516 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
517 the offset == 0 "then" clauses.
518 * config/rs6000/predicates.md (gpc_reg_operand): Check for
521 2006-12-12 Marcin Dalecki <martin@dalecki.de>
523 * doc/passes.texi: remove docs about "redundant PHI removal".
524 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
525 remove redundant pass_partition_blocks declaration.
527 2006-12-12 Andrew Macleod <amacleod@redhat.com>
529 PR tree-optimization/30159
530 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
531 functions in case a default_def coalesce is required.
533 2006-12-12 Jakub Jelinek <jakub@redhat.com>
536 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
538 * config/ia64/linux.h (CPP_SPEC): Define.
539 * config/s390/linux.h (CPP_SPEC): Define.
541 2006-12-12 Jim Wilson <wilson@specifix.com>
542 Jakub Jelinek <jakub@redhat.com>
544 PR rtl-optimization/27761
545 * combine.c (try_combine): Don't create a useless garbage SET
546 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
547 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
548 and use it to prevent accidental modification of i1src.
550 2006-12-12 Ira Rosen <irar@il.ibm.com>
552 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
553 for stores with gaps.
554 * tree-vect-transform.c (vect_permute_store_chain): Create
555 interleave_high or interleave_low according to the endianess.
557 2006-12-12 Richard Guenther <rguenther@suse.de>
560 * fold-const.c (fold_read_from_constant_string): Only fold read
561 from constant string if the result type is integer.
563 2006-12-12 Olivier Hainque <hainque@adacore.com>
565 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
567 2006-12-12 Olivier Hainque <hainque@adacore.com>
569 * config/vxlib.c: Extract tls related routines into ...
570 * config/vxlib-tls.c: New file.
571 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
573 2006-12-12 Sa Liu <saliu@de.ibm.com>
574 Ben Elliston <bje@au.ibm.com>
576 * config/spu/spu.opt (mfixed-range): New option.
577 * config/spu/spu.h (spu_fixed_range_string): Declare.
578 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
579 (fix_range): New function.
580 * doc/invoke.texi (SPU Options): Document -mfixed-range.
581 * testsuite/gcc.target/spu/fixed-range.c: New.
582 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
584 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
588 * cgraphunit.c (cgraph_optimize): Remove call to
589 process_pending_assemble_externals.
591 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
593 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
595 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
596 (ia64_hpux_add_extern_decl): Removed.
597 (ia64_hpux_file_end): Likewise.
598 (extern_func_list): Likewise.
599 (extern_func_head): Likewise.
601 * output.h (assemble_external): Update comments.
602 (default_elf_asm_output_external): New.
603 (maybe_assemble_visibility): New.
605 * toplev.c (compile_file): Update comment.
607 * varasm.c (assemble_external): Always put it on
608 pending_assemble_externals.
609 (maybe_assemble_visibility): Make it extern and return int.
610 (default_elf_asm_output_external): New.
612 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
614 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
615 can't handle the pointer arithmetic.
617 2006-12-11 Diego Novillo <dnovillo@redhat.com>
619 * doc/tree-ssa.texi: Update documentation for virtual operands
620 and the use of push_stmt_changes/pop_stmt_changes.
621 * doc/invoke.texi: Remove documentation for params
622 global-var-threshold.
623 Update documentation on max-aliased-vops.
625 * tree-into-ssa.c: Cleanup comments, variables and
626 spacing in various functions.
627 (regs_to_rename): Declare.
628 (mem_syms_to_rename): Declare.
629 (dump_update_ssa): Declare.
630 (debug_update_ssa): Declare.
631 (dump_names_replaced_by): Declare.
632 (debug_names_replaced_by): Declare.
633 (dump_def_blocks): Declare.
634 (debug_def_blocks): Declare.
635 (dump_defs_stack): Declare.
636 (debug_defs_stack): Declare.
637 (dump_currdefs): Declare.
638 (debug_currdefs): Declare.
639 (mark_def_sites): Do not handle virtual operands.
640 (compute_idf): Rename from find_idf. Update users.
641 (register_new_def): Make local. Convert second argument
643 Use BLOCK_DEFS_STACK directly.
644 If pushing a non-register, also push the underlying
646 (rewrite_stmt): Do not handle virtual operands.
647 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
648 dump_currdefs and dump_tree_ssa_stats.
649 (dump_tree_ssa_stats): Also dump REPL_TBL.
650 (replace_use): Remove. Update all users to call SET_USE
652 (rewrite_blocks): Move code to free memory to
654 (mark_def_site_blocks): Move initialization code to
656 (init_ssa_renamer): New.
657 (fini_ssa_renamer): New.
658 (rewrite_into_ssa): Call them.
659 (prepare_block_for_update): Process SSA_OP_ALL_USES first
660 and SSA_OP_ALL_DEFS later. Do not process virtual
662 (dump_update_ssa): Call dump_decl_set.
663 (init_update_ssa): Initialize regs_to_rename and
665 Call init_ssa_renamer.
666 (delete_update_ssa): Call fini_ssa_renamer.
667 Free blocks_with_phis_to_rewrite.
668 (mark_sym_for_renaming): If the variable has
669 sub-variables, also mark them.
670 If the variable belongs to a partition, also mark it.
671 (mark_set_for_renaming): Call mark_sym_for_renaming on
672 every symbol in the set.
673 (switch_virtuals_to_full_rewrite): Call
674 mark_set_for_renaming.
675 (update_ssa): Separate syms_to_rename into regs_to_rename
676 and mem_syms_to_rename.
678 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
679 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
680 (debug_generic_stmt): Likewise.
681 (debug_tree_chain): Likewise.
683 (dump_generic_node): Check for TDF_MEMSYMS.
684 Handle MEMORY_PARTITION_TAG.
685 If the statement references memory and TDF_MEMSYMS is
686 given, call dump_symbols.
687 Indicate default names with (D).
688 (dump_vops): Update for new virtual operator format.
690 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
691 tree_contains_struct.
692 (tree_code_size): Handle MEMORY_PARTITION_TAG.
693 (tree_node_structure): Likewise.
694 (needs_to_live_in_memory): Handle SSA names.
695 * tree.h (MTAG_P): Likewise.
696 (struct tree_memory_partition_tag): Declare.
697 (MPT_SYMBOLS): Define.
698 (union tree_node): Add field 'mpt'.
699 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
700 * tree.def (MEMORY_PARTITION_TAG): Define.
702 * tree-pass.h (TDF_MEMSYMS): Define.
704 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
706 * tree-ssa-alias.c: Include pointer-set.h
707 (struct alias_map_d): Remove fields total_alias_vops,
708 grouped_p and may_aliases. Update all users.
709 (struct mp_info_def): Declare.
710 (mp_info_t): New type.
711 (get_smt_for): Rename from get_tmt_for. Update all
713 (add_may_alias): Add argument ALREADY_ADDED. If given,
714 use it to avoid adding duplicate entries to alias sets.
715 (replace_may_alias): Remove. Update all users.
716 (total_alias_vops_cmp): Remove. Update all users.
717 (group_aliases_into): Remove. Update all users.
718 (tree_pointer_compare): Remove. Update all users.
719 (compact_name_tags): Remove. Update all users.
720 (group_aliases): Remove. Update all users.
721 (mark_non_addressable): Move from tree-flow-inline.h.
722 Remove the symbol from the partition holding it, if
725 (debug_mp_info): New.
727 (create_partition_for): New.
728 (rewrite_alias_set_for): New.
729 (compute_memory_partitions): New.
730 (compute_may_aliases): Call it.
731 (init_alias_info): If computing aliases for the first
732 time, mark every memory symbol for renaming.
733 (have_common_aliases_p): New.
734 (compute_flow_insensitive_aliasing): Call it.
735 (setup_pointers_and_addressables): Do not cache
737 For register promoted symbols, mark their former
738 partition for renaming.
739 (maybe_create_global_var): Only create .GLOBAL_VAR if
740 there are no call-clobbered variables and a mix of pure
741 and non-pure functions were found.
742 (may_alias_p): Tidy comments.
743 (create_tag_raw): Remove unused variable new_type.
744 (dump_alias_info): call dump_memory_partitions.
745 (dump_points_to_info_for): Call dump_decl_set.
746 (may_be_aliased): Tidy comments and formatting.
748 * timevar.def (TV_MEMORY_PARTITIONING): Define.
749 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
750 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
752 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
753 * tree-vect-transform.c (vect_transform_loop): Call
754 mark_set_for_renaming with vect_memsyms_to_rename.
755 * tree-flow-inline.h (zero_imm_uses_p): New.
756 (memory_partition): New.
757 (set_memory_partition): New.
758 (factoring_name_p): New.
759 (symbol_mem_tag): New. Update every function that used
760 to access the annotation directly.
761 (set_symbol_mem_tag): Likewise.
763 * tree-ssa-copy.c (may_propagate_copy): Allow copies
764 between a partition and a symbol as long as the symbol
765 belongs to the partition.
766 (merge_alias_info): Ignore merge requests when memory
767 partitions are involved.
769 * tree-ssa.c (verify_ssa_name): Check that default
770 definitions have empty defining statements.
771 (verify_use): Remove argument IS_VIRTUAL.
772 Don't call verify_ssa_name.
773 (verify_phi_args): Call verify_ssa_name.
774 (verify_flow_insensitive_alias_info): Handle MPTs.
775 (verify_flow_sensitive_alias_info): Likewise.
776 (verify_name_tags): Likewise.
777 (verify_call_clobbering): Likewise.
778 (verify_ssa): Check for VOPs only after aliasing
779 information is available.
780 Check virtuals and real operands separately.
781 Call verify_ssa_name on every operand.
782 (stmt_references_memory_p): Move to tree-ssa-operands.c.
783 (walk_use_def_chains_1): Guard against NULL PHI
786 * tree-ssa-operands.c (stmt_references_memory_p): Move from
789 (dump_memory_partitions): New.
790 (debug_memory_partitions): New.
792 * tree-flow.h (struct var_ann_d): Add field mpt.
793 (struct stmt_ann_d): Add bitfield references_memory.
794 * Makefile.in (tree-ssa-structalias.o): Include
796 (tree-ssa-alias.o): Likewise.
797 * tree-ssa-structalias.c: (update_alias_info): Use
798 STORED_SYMS to determine which variables are being
799 written to by the store operation.
800 * tree-ssa-structalias.h (struct alias_info)
801 <total_alias_vops>: Remove. Update all users.
802 <written_vars>: Change to a pointer set. Update all
804 <dereferenced_ptrs_store>: Likewise.
805 <dereferenced_ptrs_load>: Likewise.
806 (NUM_REFERENCES): Remove. Update all users.
807 (NUM_REFERENCES_CLEAR): Remove. Update all users.
808 (NUM_REFERENCES_INC): Remove. Update all users.
809 (NUM_REFERENCES_SET): Remove. Update all users.
811 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
813 (PARAM_MAX_ALIASED_VOPS): Set to 10.
814 * tree-ssanames.c (make_ssa_name): Initialize
815 SSA_NAME_IS_DEFAULT_DEF to 0.
817 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
819 * tree-ssa-dse.c (aggregate_vardecl_d): New.
820 (dse_global_data): Add aggregate_vardecl field.
821 (dse_possible_dead_store_p): New.
822 Add prev_defvar variable.
823 Allow immediate uses and previous immediate uses to differ
824 if they are setting different parts of the whole.
825 (get_aggregate_vardecl): New.
826 (dse_record_partial_aggregate_store): New.
827 (dse_whole_aggregate_clobbered_p): New.
828 (dse_partial_kill_p): New.
829 (dse_optimize_stmt): Abstract code checking a possible dead store
830 into new function dse_possible_dead_store_p().
831 Call dse_maybe_record_aggregate_store().
832 When checking whether a STMT and its USE_STMT refer to the
833 same memory address, check also for partial kills that clobber
835 Move some variable definitions to the block where they are used.
836 (aggregate_vardecl_hash): New.
837 (aggregate_vardecl_eq): New.
838 (aggregate_vardecl_free): New.
839 (aggregate_whole_store_p): New.
840 (tree_ssa_dse): Initialize and free aggregate_vardecl.
841 Mark which aggregate stores we care about.
843 2006-12-11 Andrew Macleod <amacleod@redhat.com>
845 * tree-ssa-operands.h (struct vuse_element_d): Declare.
846 (vuse_element_t): Declare.
847 (struct vuse_vec_d): Declare.
848 (vuse_vec_p): Declare.
849 (VUSE_VECT_NUM_ELEM): Define.
850 (VUSE_VECT_ELEMENT_NC): Define.
851 (VUSE_ELEMENT_PTR_NC): Define.
852 (VUSE_ELEMENT_VAR_NC): Define.
853 (VUSE_VECT_ELEMENT): Define.
854 (VUSE_ELEMENT_PTR): Define.
855 (VUSE_ELEMENT_VAR): Define.
856 (struct maydef_optype_d) <use_var>: Remove.
859 (struct vuse_optype_d) <kill_var>: Remove.
862 (struct mustdef_optype_d) <kill_var>: Remove.
865 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
866 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
869 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
870 (MAYDEF_OP): Add argument. Use VUSE_OP.
871 (MAYDEF_NUM): Define.
872 (MAYDEF_VECT): Define.
873 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
874 (MUSTDEF_KILL): Use VUSE_OP.
875 (MUSTDEF_NUM): Define.
876 (MUSTDEF_VECT): Define.
877 (realloc_maydef): Declare.
878 (realloc_vuse): Declare.
879 (struct ssa_operand_iterator_d) <vuse_index>: Add.
881 (LOADED_SYMS): Define.
882 (STORED_SYMS): Define.
883 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
884 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
886 * tree-pretty-print.c: Likewise.
887 * tree-ssa-dse.c: Likewise.
888 * tree-flow-inline.h: Likewise.
889 (op_iter_next_mustdef): New.
890 * tree-ssa-operands.c: Likewise.
891 (ALLOC_OPTYPE): Remove.
897 (alloc_mustdef): New.
898 (realloc_maydef): New.
901 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
903 * tree-ssa-operands.c: Remove build_v_must_defs.
904 (init_ssa_operands): Delete build_v_must_defs.
905 (finalize_ssa_v_must_def_ops): Remove.
906 (finalize_ssa_v_must_defs): Remove.
907 (finalize_ssa_stmt_operands): Do not call
908 finalize_ssa_v_must_defs.
909 (start_ssa_stmt_operands): Do not check build_v_must_defs.
910 (append_v_must_def): Delete.
911 (copy_virtual_operands): Do not copy V_MUST_DEFs.
912 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
913 comment. Remove opf_kill_def.
914 (build_ssa_operands): Remove references to v_must_defs.
915 (copy_virtual_operands): Same.
916 (copy_virtual_operands): Same.
917 (fini_ssa_operands): Same.
918 (free_ssa_operands): Same.
919 (add_mustdef_op): Remove.
920 Remove mustdef_optype_p.
921 (alloc_mustdef): Remove.
922 Remove references to V_MUST_DEFs in comment at top of file.
923 (get_expr_operands): Remove opf_kill_def.
924 (opf_kill_def): Remove.
925 (add_virtual_operand): Remove opf_kill_def.
926 (get_indirect_ref_operands): Same.
927 (get_tmr_operands): Same.
929 * tree-vectorizer.c (rename_variables_in_bb): Remove
932 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
934 (check_loop_closed_ssa_stmt): Same.
936 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
938 (verify_ssa): Remove V_MUST_DEFs traces.
939 (verify_ssa): Remove SSA_OP_ALL_KILLS.
941 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
943 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
944 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
946 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
948 (MUSTDEF_OPS): Remove.
949 (SSA_OP_VMUSTDEF): Remove.
950 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
951 (struct mustdef_optype_d): Remove.
952 Remove mustdef_optype_p.
953 (struct stmt_operands_d): Remove mustdef_ops.
954 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
955 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
956 (MUSTDEF_RESULT_PTR): Remove.
957 (MUSTDEF_RESULT): Remove.
958 (MUSTDEF_KILL_PTR): Remove.
959 (MUSTDEF_KILL): Remove.
960 (MUSTDEF_NUM): Remove.
961 (MUSTDEF_VECT): Remove.
962 (SSA_OP_VIRTUAL_KILLS): Remove.
963 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
964 (SSA_OP_VMUSTKILL): Remove.
965 (SSA_OP_ALL_KILLS): Remove.
966 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
968 * tree-flow-inline.h (op_iter_init_def): Remove
969 SSA_OP_VIRTUAL_KILLS.
970 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
972 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
973 SSA_OP_VIRTUAL_KILLS.
975 * tree-ssa-loop-im.c (determine_max_movement): Remove
976 SSA_OP_VIRTUAL_KILLS.
977 (gather_mem_refs_stmt): Same.
978 (gather_mem_refs_stmt): Same.
980 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
981 (perform_tree_ssa_dce): Remove call to
982 mark_really_necessary_kill_operand_phis.
984 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
986 (op_iter_next_use): Do not check mustkills.
987 (op_iter_next_def): Do not check mustdefs.
988 (op_iter_next_tree): Do not check mustkills or mustdefs.
989 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
990 (op_iter_next_maymustdef): Do not check mustkills.
991 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
992 (op_iter_init_mustdef): Remove.
994 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
997 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
999 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1000 (visit_assignment): Same.
1002 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1004 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1006 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1008 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1009 Remove kill_p variable.
1011 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1012 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1013 (collect_dfa_stats_r): Do not set num_v_must_defs.
1014 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1017 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1020 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1021 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1023 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1026 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1028 PR rtl-optimization/30113
1029 * loop-iv.c (implies_p): Require the mode of the operands to be
1032 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1034 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1035 Rename from create_ssa_artficial_load_stmt. Update all users.
1036 * tree-into-ssa.c (register_new_def): Make static.
1037 * tree.c (is_global_var): Handle SSA_NAMEs.
1038 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1039 that used to call gimple_default_def.
1040 * tree-ssa-operands.c (push_stmt_changes): New.
1041 (pop_stmt_changes): New. Update every pass that modifies
1042 statements to bracket modifications with
1043 push_stmt_changes/pop_stmt_changes.
1044 (discard_stmt_changes): New.
1045 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1046 'tree *' instead of 'tree'. Update all users.
1047 * tree-flow-inline.h (zero_imm_uses_p): New.
1048 (symbol_mem_tag): New. Update every function that used
1049 to access the annotation directly.
1050 (set_symbol_mem_tag): Likewise.
1051 * tree-dfa.c (dump_variable): Always show the escape mask.
1052 (mark_symbols_for_renaming): Rename from
1053 mark_new_vars_to_rename. Update all users.
1054 Only mark to rename naked symbols in real and virtual
1057 2006-12-11 Andreas Schwab <schwab@suse.de>
1059 * varasm.c (elf_record_gcc_switches): Cast second argument of
1060 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1062 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1064 * tree-scalar-evolution.c (scev_const_prop):
1065 * tree-phinodes.c (remove_phi_node): Add argument
1066 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1069 * tree-ssa-dce.c: Remove forward declarations for static
1070 functions. Re-arrange functions bodies as needed.
1071 (find_obviously_necessary_stmts): Never mark PHI nodes as
1072 obviously necessary.
1074 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1076 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1078 2006-12-11 Jan Hubicka <jh@suse.cz>
1080 * value-prof.c (tree_stringops_transform): New.
1081 (tree_value_profile_transformations): Require count to be non-zero;
1082 call stringop transform; reset stmt BSI after BB changed.
1083 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1084 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1085 (tree_stringops_values_to_profile): New.
1086 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1087 * tree.h (build_string_literal): Tidy prototype.
1088 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1090 * builtins.c (validate_arglist, builtin_memset_read_str,
1091 get_pointer_alignment): Export.
1093 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1097 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1099 * config/i386/i386.opt: New target option -mx87regparm.
1101 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1102 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1103 (X87_REGPARM_MAX): Define.
1105 * config/i386/i386.c (override_options): Error out for
1106 -mx87regparm but no 80387 support.
1107 (ix86_attribute_table): Add x87regparm.
1108 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1109 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1110 (ix86_function_x87regparm): New function.
1111 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1113 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1115 (function_arg_advance): Process x87_nregs and x87_regno when
1116 floating point argument is to be passed in 80387 register.
1117 (function_arg): Pass XFmode arguments in 80387 registers for local
1118 functions. Pass SFmode and DFmode arguments to local functions
1119 in 80387 registers when flag_unsafe_math_optimizations is set.
1121 * reg-stack.c (convert_regs_entry): Disable NaN load for
1122 stack registers that are used for argument passing.
1124 * doc/extend.texi: Document x87regparm function attribute.
1125 * doc/invoke.texi: Document -mx87regparm.
1127 2006-12-11 Jan Hubicka <jh@suse.cz>
1129 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1130 * cgraph.c: Update comments.
1131 (cgraph_varpool_hash,
1132 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1133 cgraph_varpool_node_name, cgraph_varpool_node,
1134 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1135 cgraph_variable_initializer_availability): Move to
1136 varpool.c and drop cgraph_ prefixes.
1137 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1138 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1139 move to varpool.c; drop cgraph_ prefix; make static.
1140 (dump_cgraph_varpool_node): Move to varpool.c under name
1142 (dump_varpool, hash_varpool_node, eq_varpool_node,
1143 decide_is_variable_needed): Move to varpool.c
1144 (decl_assembler_name_equal): Move to tree.c.
1145 (availability_names): Rename to ...
1146 (cgraph_availability_names): ... this one.
1147 (dump_cgraph_node): Update.
1148 * cgraph.h: Reorder declarations now in varpool.c
1149 (cgraph_vailablity_names): Declare.
1150 (struct cgraph_varpool_node): Rename to ...
1151 (struct varpool_node): ... this one.
1152 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1153 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1154 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1155 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1156 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1157 cgraph_variable_initializer_availability): Rename to ...
1158 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1159 varpool_first_unanalyzed_node, varpool_node,
1160 varpool_node_for_asm, varpool_mark_needed_node,
1161 varpool_finalize_decl, varpool_enqueue_needed_node,
1162 varpool_assemble_pending_decls, variable_initializer_availability):
1164 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1165 * tree.h (decl_assembler_name_equal): Declare.
1166 * omp-low.c (lower_omp_critical): Update.
1167 * ipa-reference (analyze_variable, static_execute): Likewise.
1168 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1169 * cgraphunit.c: Update comments.
1170 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1171 varpool_assembled_nodes_queue.
1172 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1173 varpool_analyze_pending_decls.
1174 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1175 varpool_remove_unreferenced_decls.
1176 (record_reference): Update.
1177 (cgraph_create_edges): Update.
1178 (record_referneces_in_initializer): New function.
1179 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1180 varpool_assemble_decl; make global.
1181 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1182 varpool_assemble_pending_decls.
1183 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1184 struct cgraph_order_sort, cgraph_output_in_order,
1185 cgraph_function_and_variable_invisibility, cgraph_optimize,
1186 cgraph_increase_alignment): Update.
1187 * dwarf2out.c (decls_for_scope): Likewise.
1188 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1189 * except.c (output_ttype): Likewise.
1190 * varasm.c (mark_decl_referenced): Likewise.
1191 (find_decl_and_mark_referenced, assemble_alias): update.
1192 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1193 * passes.c (rest_of_decl_compilation): Update.
1195 2006-12-11 Ira Rosen <irar@il.ibm.com>
1197 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1198 GIMPLE_STMT_OPERAND.
1199 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1200 (vect_setup_realignment): Likewise.
1202 2006-12-11 Sa Liu <saliu@de.ibm.com>
1203 Ben Elliston <bje@au.ibm.com>
1205 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1206 (ENDFILE_SPEC): Likewise.
1207 * config/spu/spu.opt (mstdmain): New option.
1208 * config/spu/crti.asm: Remove.
1209 * config/spu/crtn.asm: Likewise.
1210 * config/spu/crt0.c: Likewise.
1211 * config/spu/crtend.c: Likewise.
1212 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1214 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1215 * doc/invoke.texi (SPU Options): Document -mstdmain.
1217 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1219 * doc/loop.texi: Document number_of_latch_executions and
1220 number_of_cond_exit_executions.
1221 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1222 chrec_is_positive, number_of_iterations_for_all_loops,
1223 scev_const_prop): Use number_of_latch_executions.
1224 (set_nb_iterations_in_loop): Do not increase the value of the
1225 number of iterations.
1226 (number_of_iterations_in_loop): Renamed to ...
1227 (number_of_latch_executions): ... this.
1228 (number_of_exit_cond_executions): New function.
1229 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1231 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1232 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1233 number_of_latch_executions.
1234 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1235 number_of_exit_cond_executions.
1236 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1237 * cfgloop.h (struct loop): Improve description of the nb_iterations
1240 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1242 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1243 (tree_pointer_compare): Remove.
1245 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1247 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1248 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1249 * tree-loop-linear.c (linear_transform_loops): Ditto.
1250 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1251 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1252 free_numbers_of_iterations_estimates): Ditto.
1253 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1254 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1255 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1256 * modulo-sched.c (sms_schedule): Ditto.
1257 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1258 tree_unroll_loops_completely): Ditto.
1259 * predict.c (predict_loops): Ditto.
1260 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1261 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1262 decide_unrolling_and_peeling): Ditto.
1263 * cfgloopmanip.c (unloop): Use delete_loop.
1264 (place_new_loop): Access larray vector instead of parray.
1265 (create_preheaders, force_single_succ_latches,
1266 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1267 * loop-doloop.c (doloop_optimize_loops): Ditto.
1268 * loop-invariant.c (move_loop_invariants): Ditto.
1269 * tree-cfg.c (replace_uses_by): Ditto.
1270 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1271 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1273 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1275 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1276 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1277 get_loop and get_chrec_loop.
1278 (number_of_iterations_for_all_loops): Use number_of_loops.
1279 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1280 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1281 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1283 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1284 chrec_convert_1): Use get_loop and get_chrec_loop.
1285 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1286 (loop_optimizer_init): Use FOR_EACH_LOOP.
1287 * tree-vectorizer.c (vect_loops_num): Removed.
1288 (vectorize_loops): Store number of loops locally. Use
1289 FOR_EACH_LOOP and get_loop.
1290 * tree-vectorizer.h (vect_loops_num): Removed.
1291 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1292 (find_data_references_in_loop): Do not set parallel_p.
1293 * tree-data-ref.h: Do not declare VEC(loop_p).
1294 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1295 verify_loop_structure): Use FOR_EACH_LOOP.
1296 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1297 (initialize_loops_parallel_p): Removed.
1298 (flow_loops_find): Push the loops into a vector.
1299 (delete_loop): New function.
1300 (cancel_loop): Use delete_loop.
1301 * cfgloop.h: Declare VEC(loop_p).
1302 (struct loop): Remove parallel_p field.
1303 (struct loops): Replace num and parray field by larray vector.
1304 Remove shared_headers field.
1305 (delete_loop): Declare.
1306 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1307 FOR_EACH_LOOP): New.
1308 * doc/loop.tex: Document new accessor functions.
1310 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1312 * common.opt (-ftree-lrs): Remove live range splitting option.
1313 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1314 * opts.c (decode_options): Remove flag_tree_live_range_split.
1315 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1316 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1317 * tree-outof-ssa.c: Remove header files which aren't needed.
1318 (SSANORM_*): Remove flags.
1319 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1320 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1321 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1322 (assign_vars): Use Basevar instead of root_var structure.
1323 (replace_def_variable): Dont do anything if def is replaceable.
1324 (remove_ssa_form): Integrate functional changes.
1325 (rewrite_out_of_ssa): Remove live-range_split option.
1326 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1327 (coalesce_cost): Calculate the cost of a coalesce.
1328 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1329 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1330 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1331 (pop_best_coalesce): Remove the best coalesce from the list.
1332 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1333 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1334 (create_coalesce_list): Create a coalesce list object.
1335 (delete_coalesce_list): Free a coalesce list object.
1336 (find_coalesce_pair): Find matching pair in the coalesce list.
1337 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1338 (add_coalesce): Add a coalesce to the coalesce list.
1339 (compare_pairs): Comparision function to determine pair sorted order.
1340 (num_coalesce_pairs): Number of coalesced pairs.
1341 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1342 Coalesce pair iterator functions.
1343 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1344 (dump_coalesce_list): Show coalesce list.
1345 (ssa_conflicts_new): Create an SSA conflict graph.
1346 (ssa_conflicts_delete): Delete an SSA conflict graph.
1347 (ssa_conflicts_test_p): Test for conflicts.
1348 (ssa_conflicts_add_one): Add a single conflict.
1349 (ssa_conflicts_add): Add a conflict pair.
1350 (ssa_conflicts_merge): Merge conflicts.
1351 (struct live_track_d): Struct for tracking live partitions.
1352 (new_live_track): Create new live_track object.
1353 (delete_live_track): Delete a live_track object.
1354 (live_track_remove_partition): Remove a partition from the live list.
1355 (live_track_add_partition): Add a partition from the live list.
1356 (live_track_clear_var): Take VAR from the live list.
1357 (live_track_live_p): Is var live?
1358 (live_track_process_use): Make var come alive.
1359 (live_track_process_def): Make var go dead, add conflicts.
1360 (live_track_init): Initialize to a live on exit set.
1361 (live_track_clear_base_vars): Clear live partitions.
1362 (build_ssa_conflict_graph): Build a conflict graph.
1363 (print_exprs): Common debug output routine.
1364 (abnormal_corrupt): Output info about a failed coalesce across an
1366 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1367 (create_outofssa_var_map): Create a var map and coalesce list.
1368 (attempt_coalesce): Coalesce a pair.
1369 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1370 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1371 * tree-ssa-live.c: Remove header files which aren't needed.
1372 (var_map_base_init): New. Initialize a basevar list.
1373 (var_map_base_fini): New. Finish a basevar list.
1374 (init_var_map): Initialize new fields.
1375 (delete_var_map): Free new fields.
1376 (var_union): Use renamed fields.
1377 (compact_var_map): Remove.
1378 (partition_to_view_init): Use renamed fields, change order of an if.
1379 (partition_view_fini): Use renamed fields.
1380 (partition_view_normal): Create basevar list if requested.
1381 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1382 (change_partition_var): Use renamed fields.
1383 (create_ssa_var_map): Remove.
1384 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1385 root_var_init): Remove.
1386 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1387 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1388 compare_pairs, num_coalesce_pairs, first_partition_pair,
1389 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1390 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1391 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1392 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1393 (dump_var_map): Use renamed fields.
1394 * tree-ssa-live.h (struct _var_map): Modify fields.
1395 (partition_to_var, version_to_var, var_to_partition): Use renamed
1397 (basevar_index): New. Index of the base variable of a partition.
1398 (num_basevars): New. Number of unique base variables in partition map.
1399 (register_ssa_partition): Use renamed fields.
1400 (struct tree_partition_associator_d): Remove.
1401 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1402 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1403 root_var, root_var_first_partition, root_var_next_partition,
1404 root_var_dump, root_var_delete, root_var_remove_partition,
1405 root_var_find, root_var_compact, root_var_decompact): Remove.
1406 (struct partition_pair, struct coalesce_list_d): Moved to
1408 * tree-ssa-ter.c: Remove header files which aren't needed.
1410 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1412 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1413 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1415 (cse_visited_basic_blocks): New static bitmap.
1416 (cse_end_of_basic_block, cse_basic_block): Remove.
1417 (cse_find_path, cse_dump_path, cse_prescan_path,
1418 cse_extended_basic_block): New static functions.
1419 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1420 basic block boundaries. Don't record jump equivalences here.
1421 Update the CFG after doing in-place replacement of the SET_SRC.
1422 (cse_main): Rewrite. Look for extended basic block headers
1423 and call cse_extended_basic_block on them until all paths that
1424 start at this header are exhausted.
1425 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1426 and correct after cse_main.
1427 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1428 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1429 (pass_cse): Add TODO_verify_flow.
1430 (pass_cse2): Likewise.
1432 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1434 * reload1.c (choose_reload_regs): Don't set byte offset when
1435 resolving subregs of hard regs.
1437 2006-12-09 Zack Weinberg <zackw@panix.com>
1439 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1440 suitable for the language, if set_yydebug is true.
1441 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1442 YYDEBUG or declare yydebug.
1443 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1445 2006-12-09 Jan Hubicka <jh@suse.cz>
1447 * cgraph.c: Update copyright.
1448 * cgraph.h: Likewise
1449 (cgraph_update_pending_function): Remove prototype.
1450 * cgraphunit.c: Update copyright; update overall comment.
1451 (cgraph_assemble_pending_functions): Make local.
1453 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1455 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1457 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1459 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1461 (cpat_const_p, gen_cpat_const): Add.
1462 * config/spu/spu.c (immediate_class): New enum.
1463 (cpat_info, classify_immediate): New.
1464 (print_operand): Use S, D, T instead of F, G, H. Use
1465 classify_immediate. Handle cpat cases.
1466 (spu_split_immediate): Renamed from spu_split_address. Split all
1467 immediates that can be split.
1468 (immediate_load_p): Use classify_immediate.
1469 (spu_legitimate_constant_p): Accept everything except some cases of
1471 (spu_expand_move): Use spu_split_immedate.
1472 (fsmbi_const_p): Use classify_immediate.
1473 (cpat_const_p): New.
1474 (gen_cpat_const: New.
1475 * config/spu/constraints.md (j,k,l): New constraints for cpat
1477 * config/spu/spu.md (unnamed splitter): Change address splitter to
1478 handle all immediates.
1479 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1481 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1484 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1487 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1488 patterns. Correct length of high:DI instruction sequence.
1490 2006-12-08 Mike Stump <mrs@apple.com>
1492 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1493 libgcc with -mmacosx-version-min=10.4.
1494 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1495 G4 for 10.5+ unless doing kernel builds.
1497 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1500 * reg-stack.c (convert_regs_entry): Mark current argument passing
1503 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1504 of float arguments in x87 registers.
1506 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1508 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1510 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1512 * recog.c (mode_dependent_address_p): Identify pre-increment,
1513 pre-decrement, post-increment and post-decrement addressing as always
1514 being mode-dependent.
1515 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1516 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1517 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1518 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1519 PRE_INC and POST_INC checks.
1520 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1521 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1522 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1523 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1524 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1525 PRE_INC, POST_DEC and POST_INC cases.
1526 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1527 Delete POST_INC and PRE_DEC cases.
1528 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1530 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1531 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1533 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1534 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1535 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1536 PRE_INC and PRE_DEC cases.
1537 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1538 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1539 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1540 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1541 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1542 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1543 auto-increment cases.
1544 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1545 auto-increment cases.
1546 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1548 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1550 * Makefile.in: Add new file tree-ssa-ter.c.
1551 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1552 free_temp_expr_table, add_value_to_version_list,
1553 add_value_to_partition_list, remove_value_from_partition_list,
1554 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1555 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1556 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1557 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1559 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1560 (struct value_expr_d): Remove.
1561 (struct temp_expr_table_d): Rename fields, add explicit vector of
1562 replaceable expressions instead of sharing. Change value_expr_p's to
1563 bitmap. Delete free_list.
1564 (new_temp_expr_table): Rename fields, count number of ssa_names in
1566 (free_temp_expr_table): Rename field, free new fields.
1567 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1568 add_info_to_list, remove_value_from_list): Delete.
1569 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1570 (make_dependent_on_partition): New. Set bit in version list, allocating
1571 a bitmap if need be.
1572 (add_to_partition_kill_list): New. Set bit in the partition list,
1573 allocating a bitmap if need be.
1574 (remove_from_partition_kill_list): New. Remove a bit from the
1575 partition list, free the bitmap if it is empty.
1576 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1577 on partitions with only one member.
1578 (is_replaceable_p): New. Split out replaceability check from
1580 (process_replaceable): New. Code split from check_replaceable.
1581 (check_replaceable): Removed.
1582 (finished_with_expr): Renamed from finish_expr.
1583 (kill_expr): Use renamed fields and less parameters.
1584 (kill_virtual_exprs): Less parameters.
1585 (mark_replaceable): Use renamed fields.
1586 (find_replaceable_in_bb): Use renamed fields, cleanup.
1587 (find_replaceable_exprs): Use renamed routines, cleanup.
1588 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1589 (debug_ter): New. Debug routine to dump state.
1591 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1593 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1594 anything involving the GOT.
1595 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1596 (trapping_loads_p): Look inside the pattern of an insn to find the
1598 * config/bfin/bfin.md (attr "type"): Add movcc.
1599 (insn_reservation "alu"): Likewise.
1600 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1602 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1604 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1605 (spu_resolve_overloaded_builtin): Check for non scalar instead
1606 of vector type and check the function call argument type also for
1608 Call build_function_call instead of spu_build_overload_builtin.
1610 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1612 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1613 to the calls of hwint_to_const_double.
1615 2006-12-07 Nick Clifton <nickc@redhat.com>
1617 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1618 elf_record_gcc_switches.
1620 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1622 * expr.c (string_constant): Account for non-zero lower bound arrays.
1624 2006-12-07 Richard Guenther <rguenther@suse.de>
1626 * builtins.c (expand_builtin_pow): Adjust predicates for
1627 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1630 2006-12-07 Jan Hubicka <jh@suse.cz>
1632 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1635 2006-12-07 Jan Hubicka <jh@suse.cz>
1637 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1638 use fold_constant_to_binary; tolerate wrong type constants.
1639 (value_intersect_p): Do just two tests.
1641 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1643 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1644 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1645 lshifthi3): Use it, and fix the order of alternatives.
1647 2006-12-07 Nick Clifton <nickc@redhat.com>
1649 * common.opt (record-gcc-switches): New command line switch.
1650 * target.h (print_switch_type): New enum.
1651 (print_switch_fn_type): New typedef for a function pointer.
1652 (struct gcc_target): Add record_gcc_switches and
1653 record_gcc_switches_section fields.
1654 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1656 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1658 * toplev.c (print_single_switch): Simplify by providing a
1659 pointer to function that will format and output the switch
1661 (print_switch_values): Likewise.
1662 (print_to_asm_out_file): New function.
1663 (print_to_stderr): New function.
1664 (init_asm_output): If flag_record_gcc_switches is set then if
1665 the target supports recording the switches then emit them into
1666 the assembler output file, otherwise tell the user that the
1667 switch is not supported.
1668 * varasm.c (eld_record_gcc_switches): New function. Example
1669 handler for the record_gcc_switches target hook.
1670 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1672 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1673 * doc/invoke.texi (-frecord-gcc-switches): Document.
1675 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1678 * sched-rgn.c (add_block1): Use correct initializer.
1680 2006-12-07 Richard Guenther <rguenther@suse.de>
1682 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1683 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1685 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1688 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1689 not GIMPLE_MODIFY_STMT.
1691 2006-12-06 Jan Hubicka <jh@suse.cz>
1693 * tree-vrp.c (operand_less_p): New.
1694 (compare_values, value_inside_range): Rewrite in terms of
1697 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1699 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1701 (length_immediate): Do not depend on cld type attribute.
1702 (length_address): Ditto.
1705 (cld): Remove insn pattern.
1706 (strmov_singleop): Do not use DIRFLAG_REG.
1707 (*strmovdi_rex_1): Ditto.
1708 (*strmovsi_1): Ditto.
1709 (*strmovsi_rex_1): Ditto.
1710 (*strmovhi_1): Ditto.
1711 (*strmovhi_rex_1): Ditto.
1712 (*strmovqi_1): Ditto.
1713 (*strmovqi_rex_1): Ditto.
1715 (*rep_movdi_rex64): Ditto.
1716 (*rep_movsi): Ditto.
1717 (*rep_movsi_rex64): Ditto.
1718 (*rep_movqi): Ditto.
1719 (*rep_movqi_rex64): Ditto.
1720 (strset_singleop): Ditto.
1721 (*strsetdi_rex_1): Ditto.
1722 (*strsetsi_1): Ditto.
1723 (*strsetsi_rex_1): Ditto.
1724 (*strsethi_1): Ditto.
1725 (*strsethi_rex_1): Ditto.
1726 (*strsetqi_1): Ditto.
1727 (*strsetqi_rex_1): Ditto.
1729 (*rep_stosdi_rex64): Ditto.
1730 (*rep_stossi): Ditto.
1731 (*rep_stossi_rex64): Ditto.
1732 (*rep_stosqi): Ditto.
1733 (*rep_stosqi_rex64): Ditto.
1734 (cmpstrnsi): Do not generate cld insn.
1735 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1736 (*cmpstrnqi_nz_1): Ditto.
1737 (*cmpstrnqi_nz_rex_1): Ditto.
1738 (cmpstrnqi_1): Ditto.
1739 (*cmpstrnqi_1): Ditto.
1740 (*cmpstrnqi_rex_1): Ditto.
1741 (strlenqi_1): Ditto.
1742 (*strlenqi_1): Ditto.
1743 (*strlenqi_rex_1): Ditto.
1745 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1746 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1747 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1749 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1750 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1752 (k6_alux_only_load): Ditto.
1753 (k6_alux_only_store): Ditto.
1755 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1756 Do not emit cld instruction.
1757 (ix86_expand_setmem): Ditto.
1758 (ix86_expand_strlen): Do not emit cld instruction.
1760 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1762 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1765 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1767 * gdbinit.in: Set complaints to 0.
1769 2006-12-06 Jan Hubicka <jh@suse.cz>
1771 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1772 ALONE_MEM_STAT_DECL): New macros.
1773 * bitmap.h: Include statistics.h
1774 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1775 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1776 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1777 * bitmap.c: Include hashtab.h
1778 (bitmap_descriptor): New.
1779 (bitmap_hash): New static variable
1780 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1781 New static functions.
1782 (bitmap_register): New.
1783 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1784 bitmap_obstack_release): Do accounting.
1785 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1787 (bitmap_gc_alloc_stat): Likewise.
1788 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1789 (print_statistics, dump_bitmap_statistics): New functions.
1790 * toplev.c (finalize): Dump bitmap statistics.
1792 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1794 * reload1.c (delete_output_reload): Count occurrences in
1795 CALL_INSN_FUNCTION_USAGE.
1796 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1797 crashing at the end of the list.
1799 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1801 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1802 Optimize to avoid marking more SMT's as used when they aren't.
1804 2006-12-05 Eric Christopher <echristo@apple.com>
1806 * config/i386/i386.c (x86_output_aligned_bss): Move out
1807 of COMMON_ASM_OP ifdef.
1809 2006-12-05 Eric Christopher <echristo@apple.com>
1811 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1812 (STARTFILE_SPEC): Use.
1813 (DARWIN_DYLIB1_SPEC): New.
1814 (DARWIN_CRT1_SPEC): New.
1815 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1817 * config/i386/darwin.h: Ditto.
1818 * config/rs6000/darwin.h: Ditto.
1820 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1822 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1823 * tree-complex.c (pass_lower_complex): Ditto.
1824 * tree-ssa-ccp.c (pass_ccp): Ditto.
1825 (pass_store_ccp): Ditto.
1826 * tree-ssa-dom.c (pass_dominator): Ditto.
1827 (pass_phi_only_cprop): Ditto.
1828 * tree-sra.c (pass_sra): Ditto.
1829 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1830 * tree-flow.h (updating_used_alone): Remove.
1831 (updating_used_alone): Ditto.
1832 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1833 (lhs_may_store_to): Remove function.
1834 (recalculate_used_alone): Ditto.
1835 (compute_may_aliases): Remove used_alone calculation.
1836 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1837 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1838 * tree-pass.h (PROP_smt_usage): Remove.
1839 * passes.c (execute_todo): Remove used alone recalculation.
1840 (execute_one_pass): Ditto.
1841 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1844 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1846 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1848 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1850 PR tree-optimization/14784
1851 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1853 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1855 Merge from gimple-tuples-branch.
1857 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1859 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1861 (s390_gimplify_va_arg): Same.
1862 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1863 * config/sh/sh.c (sh_va_start): Same.
1864 (sh_gimplify_va_arg_expr): Same.
1865 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1866 (xtensa_gimplify_va_arg_expr): Same.
1867 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1868 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1869 * config/mips/mips.c (mips_va_start): Same.
1870 (mips_gimplify_va_arg_expr): Same.
1872 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1874 * Merge from mainline at revision 119445.
1876 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1878 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1880 (spu_gimplify_va_arg_expr): Same.
1882 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1884 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1885 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1886 (xstormy16_expand_builtin_va_arg): Same.
1888 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1890 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1891 to GIMPLE_MODIFY_STMT.
1893 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1895 * config/alpha/alpha.c (va_list_skip_additions): Change all
1896 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1897 (alpha_va_start): Same.
1898 (alpha_gimplify_va_arg_1): Same.
1899 (alpha_gimplify_va_arg): Same.
1901 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1903 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1905 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1907 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1908 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1910 * tree-complex.c: Same.
1911 * tree-pretty-print.c: Same.
1915 * fold-const.c: Same.
1916 * tree-ssa-dom.c: Same.
1917 * tree-ssa-propagate.c: Same.
1918 * tree-ssa-alias.c: Same.
1919 * gimple-low.c: Same.
1920 * dwarf2out.c: Same.
1921 * c-pretty-print.c: Same.
1923 * tree-inline.c: Same.
1924 * tree-outof-ssa.c: Same.
1925 * tree-ssa-structalias.c: Same.
1926 * tree-ssa-reassoc.c: Same.
1929 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1931 * tree.c (build2_stat): Fix comment.
1933 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1935 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1936 TREE_OPERAND when appropriate.
1938 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1940 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1941 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1942 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1943 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1944 not handle GIMPLE_MODIFY_STMT in the switch statement.
1945 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1946 (java_gimplify_new_array_init): Same.
1948 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1950 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1951 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1952 * fold-const.c (fold_binary): Allow gimple statements.
1954 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1955 Rename from gfc_conv_descriptor_data_set.
1956 Call gfc_add_modify instead of gfc_add_modify_expr.
1957 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1958 Rename from gfc_conv_descriptor_data_set.
1959 (gfc_conv_descriptor_data_set): New macro.
1960 (gfc_conv_descriptor_data_set_tuples): New macros.
1961 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1962 gfc_conv_descriptor_data_set_tuples.
1963 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1964 Generate GIMPLE_MODIFY_STMT when appropriate.
1965 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1966 (gfc_add_modify_expr): New macro.
1967 (gfc_add_modify_stmt): New macro.
1968 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1970 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1972 * Merge from mainline at revision 118200.
1974 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1976 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
1979 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1981 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
1983 Also, add __extension__ to GCC versions.
1984 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1985 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
1988 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
1990 * tree-complex.c (expand_complex_libcall): Adjust for
1992 (expand_complex_comparison): Same.
1993 * tree-pretty-print.c (dump_generic_node): Is_expr should include
1994 GIMPLE_STMT_P statements.
1995 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
1997 (tree_mod_pow2_value_transform): Same.
1998 (tree_mod_subtract_transform): Same.
1999 * tree.c (build2_stat): Check for gimplified function in cfun.
2000 * tree.h (DECL_GIMPLIFIED): Delete.
2001 (struct tree_function_decl): Remove gimplified_flag.
2002 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2003 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2004 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2005 (cxx_omp_clause_copy_ctor): Same.
2006 (cxx_omp_clause_assign_op): Same.
2007 * c-pretty-print.c (pp_c_conditional_expression): Same.
2008 (pp_c_expression): Same.
2009 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2010 * function.h (struct function): Add gimplified field.
2011 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2013 (find_phi_replacement_condition): Same.
2014 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2015 (gimplify_modify_expr_to_memset): Same.
2016 (gimplify_init_ctor_eval_range): Same.
2017 (gimplify_modify_expr_complex_part): Same.
2018 (tree_to_gimple_tuple): Same.
2019 (gimplify_modify_expr): Same.
2020 (gimple_push_cleanup): Same.
2021 (gimplify_omp_for): Same.
2022 (gimplify_omp_atomic_pipeline): Same.
2023 (gimplify_omp_atomic_mutex): Same.
2024 (gimplify_expr): Same.
2025 (gimplify_one_sizepos): Same.
2026 (gimplify_function_tree): Same.
2027 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2028 (vect_recog_widen_sum_pattern): Same.
2029 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2030 (vect_create_epilog_for_reduction): Same.
2031 (vectorizable_reduction): Same.
2033 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2035 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2036 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2037 (ifc_temp_var): Same.
2038 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2039 for gimple statements.
2040 (vect_analyze_operations): Same.
2041 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2042 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2043 * lambda-code.c (can_put_in_inner_loop): Same.
2044 (can_put_after_inner_loop): Same.
2045 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2046 (vect_create_data_ref_ptr): Same.
2047 (vect_init_vector): Same.
2048 (vect_get_vec_def_for_operand): Same.
2049 (vect_create_epilog_for_reduction): Same.
2050 (vectorizable_reduction): Same.
2051 (vectorizable_assignment): Same.
2052 (vectorizable_operation): Same.
2053 (vectorizable_load): Same.
2054 (vectorizable_condition): Same.
2055 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2056 (rs6000_gimplify_va_arg): Same.
2058 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2060 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2061 GIMPLE_STMT_OPERAND.
2062 (simplify_abs_using_ranges): Same.
2063 * tree-complex.c (expand_complex_operations_1): Use
2064 PROTECTED_TREE_OPERAND.
2065 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2067 (get_val_for): Use GIMPLE_STMT_OPERAND.
2068 * tree-tailcall.c (adjust_accumulator_values): Same.
2069 (adjust_return_value): Same.
2070 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2071 case. Remove special case for tcc_gimple_stmt.
2072 * tree.h (CAN_HAVE_LOCATION_P): New.
2073 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2075 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2076 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2077 * tree-nrv.c (execute_return_slot_opt): Same.
2078 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2079 * tree-vn.c (set_value_handle): Same.
2080 (get_value_handle): Same.
2081 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2082 * tree-vectorizer.c (find_loop_location): Same.
2083 * c-typeck.c (c_process_expr_stmt): Same.
2084 (c_finish_stmt_expr): Same.
2085 * gimplify.c (should_carry_locus_p): Same.
2086 (tree_to_gimple_tuple): Delete definition and use of unecessary
2087 variable save_tree_block.
2088 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2089 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2090 (realify_fake_stores): Same.
2091 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2093 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2094 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2095 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2096 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2097 (c_parser_statement_after_labels): Same.
2098 (c_parser_paren_condition): Same.
2099 (c_parser_for_statement): Same.
2100 (c_parser_omp_for_loop): Same.
2101 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2102 (linearize_expr_tree): Same.
2103 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2104 * function.c (instantiate_expr): Same.
2106 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2108 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2109 (set_expr_location): Same.
2111 (set_expr_locus): Same.
2112 (expr_filename): Same.
2113 (expr_lineno): Same.
2114 (tree_block): Use GIMPLE_STMT_BLOCK.
2115 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2116 * tree.h (struct gimple_stmt): Remove prev and next.
2117 (GIMPLE_STMT_OPERAND_CHECK): New.
2118 (TREE_TO_GIMPLE_STMT): Delete.
2119 (GIMPLE_STMT_TO_TREE): Delete.
2120 (GIMPLE_STMT_OPERAND): Use union, not cast.
2121 (GIMPLE_STMT_LOCUS): New.
2122 (GIMPLE_STMT_BLOCK): New.
2123 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2125 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2127 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2129 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2131 * tree-tailcall.c (adjust_return_value): Same.
2132 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2133 (copy_node_stat): Change common.base to base.
2134 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2135 Remove GIMPLE_STATEMENT_LIST case.
2136 * tree.h (struct gimple_stmt): Make operands of type tree.
2137 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2138 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2139 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2140 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2141 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2142 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2143 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2144 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2145 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2146 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2147 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2148 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2149 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2150 Change common.base to base.
2151 (GIMPLE_STATEMENT_LIST*): Remove.
2152 (union tree_node): Add base. Remove gimple_statement_list.
2153 Remove pointer from gstmt.
2154 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2155 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2156 * tree-vn.c (vn_compute): Change common.base to base.
2157 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2158 * tree-flow-inline.h (var_ann): Same.
2159 (function_ann): Same.
2161 (mark_non_addressable): Same.
2162 * gimplify.c (tree_to_gimple_tuple): Same.
2163 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2164 * tree-dfa.c (create_var_ann): Change common.base to base.
2165 (create_function_ann): Same.
2166 (create_stmt_ann): Same.
2167 (create_tree_ann): Same.
2168 (collect_dfa_stats_r): Same.
2169 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2170 * tree-ssa-dce.c (NECESSARY): Same.
2171 * tree-ssa.c (delete_tree_ssa): Same.
2172 * tree-optimize.c (execute_free_cfg_annotations): Same.
2173 * tree-flow.h: Same.
2175 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2177 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2178 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2180 * tree.h (struct gimple_stmt): Add prev and next fields.
2181 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2182 (GIMPLE_STATEMENT_LIST_HEAD): New.
2183 (GIMPLE_STATEMENT_LIST_TAIL): New.
2184 (struct gimple_statement_list): New.
2185 (union tree_node): Add gimple_stmt_list and gstmt.
2186 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2187 * tree.def: Add GIMPLE_STATEMENT_LIST.
2189 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2191 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2192 * tree-vrp.c (build_assert_expr_for): Change uses of
2193 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2194 (find_assert_locations): Same.
2195 (remove_range_assertions): Same.
2196 (stmt_interesting_for_vrp): Same.
2197 (vrp_visit_assignment): Same.
2198 (vrp_visit_stmt): Same.
2199 (simplify_cond_using_ranges): Same.
2200 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2202 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2203 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2205 (determine_invariantness_stmt): Same.
2206 (schedule_sm): Same.
2207 (gather_mem_refs_stmt): Same.
2208 * tree-complex.c (init_dont_simulate_again): Same.
2209 (complex_visit_stmt): Same.
2210 (set_component_ssa_name): Same.
2211 (expand_complex_move): Same.
2212 (expand_complex_div_wide): Same.
2213 (expand_complex_comparison): Same.
2214 (expand_complex_operations_1): Same.
2215 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2216 (chain_of_csts_start): Same.
2217 (infer_loop_bounds_from_undefined): Same.
2218 * tree-pretty-print.c (dump_generic_node): Same.
2220 (op_symbol_1): Same.
2221 * tree-ssa-loop-manip.c (create_iv): Same.
2222 * value-prof.c (tree_divmod_fixed_value): Same.
2223 (tree_divmod_fixed_value_transform): Same.
2224 (tree_mod_pow2): Same.
2225 (tree_mod_pow2_value_transform): Same.
2226 (tree_mod_subtract): Same.
2227 (tree_mod_subtract_transform): Same.
2228 (tree_divmod_values_to_profile): Same.
2229 * tree-tailcall.c (process_assignment): Same.
2230 (find_tail_calls): Same.
2231 (adjust_accumulator_values): Same.
2232 (adjust_return_value): Same.
2233 (eliminate_tail_call): Same.
2234 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2235 (make_node_stat): Same.
2236 (copy_node_stat): Handle gimple tuples.
2237 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2238 (tree_node_structure): Handle tcc_gimple_stmt.
2239 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2241 (build2_gimple_stat): New.
2242 (expr_location): New.
2243 (set_expr_location): New.
2244 (expr_has_location): New.
2246 (set_expr_locus): New.
2247 (expr_filename): New.
2249 (walk_tree): Handle tcc_gimple_stmt.
2251 (protected_tree_operand): New.
2252 (protected_tree_type): New.
2253 (tree_code_kind): Add gimple statements.
2254 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2255 (IS_GIMPLE_STMT_CODE_CLASS): New.
2256 (struct tree_base): New.
2257 (struct tree_common): Shrink.
2258 (struct gimple_stmt): New.
2259 (struct gimple_expr): New.
2260 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2261 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2262 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2263 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2264 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2265 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2266 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2267 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2268 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2269 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2270 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2271 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2272 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2273 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2274 Adjust for new `common' layout.
2275 (struct tree_function_decl): Add gimplified_flag.
2276 (DECL_GIMPLIFIED): NEW.
2277 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2278 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2279 EXPR_HAS_LOCATION): Call corresponding function.
2280 (GIMPLE_STMT_CHECK): New.
2281 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2282 (TREE_BLOCK): Call tree_block.
2283 (GIMPLE_STMT_P): New.
2284 (GIMPLE_TUPLE_P): New.
2285 (TREE_TO_GIMPLE_STMT): New.
2286 (GIMPLE_STMT_TO_TREE): New.
2287 (GIMPLE_STMT_OPERAND): New.
2288 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2289 (PROTECTED_TREE_OPERAND): New.
2290 (PROTECTED_TREE_TYPE): New.
2291 (build2_gimple_stat): Protoize.
2292 (build2_gimple): New.
2293 (expr_location): Protoize.
2294 (set_expr_location): Protoize.
2295 (expr_has_location): Protoize.
2296 (expr_locus): Protoize.
2297 (set_expr_locus): Protoize.
2298 (expr_filename): Protoize.
2299 (expr_lineno): Protoize.
2300 (tree_block): Protoize.
2301 (protected_tree_operand): Protoize.
2302 (protected_tree_type): Protoize.
2303 (enum tree_node_kind): Add gimple_stmt_kind.
2304 * c-decl.c (union lang_tree_node): Tuples do not have a
2306 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2307 GIMPLE_MODIFY_STMT and adjust accordingly.
2308 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2309 (interpret_condition_phi): Same.
2310 (pointer_used_p): Same.
2311 (analyze_scalar_evolution_1): Same.
2312 (scev_const_prop): Same.
2313 (interpret_rhs_modify_stmt): Rename from
2314 interpret_rhs_modify_expr.
2315 * builtins.c (std_expand_builtin_va_start): Change uses of
2316 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2317 (std_gimplify_va_arg_expr): Same.
2318 (expand_builtin_va_copy): Same.
2319 (integer_valued_real_p): Same.
2320 * fold-const.c (maybe_lvalue_p): Same.
2322 (tree_expr_nonnegative_p): Same.
2323 (tree_expr_nonzero_p): Same.
2324 * omp-low.c (extract_omp_for_data): Same.
2325 (lower_rec_input_clauses): Same.
2326 (lower_reduction_clauses): Same.
2327 (lower_copyprivate_clauses): Same.
2328 (lower_send_clauses): Same.
2329 (lower_send_shared_vars): Same.
2330 (expand_parallel_call): Same.
2331 (expand_omp_parallel): Same.
2332 (expand_omp_for_generic): Same.
2333 (expand_omp_for_static_nochunk): Same.
2334 (expand_omp_for_static_chunk): Same.
2335 (expand_omp_sections): Same.
2336 (lower_omp_single_copy): Same.
2337 (lower_omp_parallel): Same.
2338 * tree-ssa-dse.c (memory_address_same): Same.
2339 (dse_optimize_stmt): Same.
2340 * ipa-reference.c (scan_for_static_refs): Same.
2341 * tree-gimple.c (is_gimple_reg_rhs): Same.
2342 (get_call_expr_in): Same.
2343 (recalculate_side_effects): Same.
2344 * cgraphunit.c (cgraph_create_edges): Same.
2345 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2346 * tree-ssa-ccp.c (get_default_value): Same.
2347 (likely_value): Same.
2348 (visit_assignment): Same.
2349 (ccp_visit_stmt): Same.
2350 (get_maxval_strlen): Same.
2351 (ccp_fold_builtin): Same.
2352 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2353 (find_givs_in_stmt): Same.
2354 (find_interesting_uses_op): Same.
2355 (find_interesting_uses_stmt): Same.
2356 (rewrite_use_nonlinear_expr): Same.
2357 * ipa-pure-const.c (scan_function): Same.
2358 * tree-stdarg.c (va_list_counter_bump): Same.
2359 (check_all_va_list_escapes): Same.
2360 (execute_optimize_stdarg): Same.
2361 * tree-ssa-math-opts.c (compute_merit): Same.
2362 (insert_reciprocals): Same.
2363 (execute_cse_reciprocals): Same.
2364 * tree-ssa-dom.c (initialize_hash_element): Same.
2365 (simple_iv_increment_p): Same.
2366 (record_equivalences_from_stmt): Same.
2367 (optimize_stmt): Same.
2368 (remove_stmt_or_phi): Same.
2369 (get_rhs_or_phi_arg): Same.
2370 (get_lhs_or_phi_result): Same.
2371 (propagate_rhs_into_lhs): Same.
2372 * tree-nrv.c (tree_nrv): Same.
2373 (execute_return_slot_opt): Same.
2374 * tree-ssa-propagate.c (get_rhs): Same.
2376 (stmt_makes_single_load): Same.
2377 (stmt_makes_single_store): Same.
2378 (replace_vuses_in): Same.
2379 (fold_predicate_in): Same.
2380 (substitute_and_fold): Same.
2381 * tree-ssa-alias.c (compute_call_clobbered): Same.
2382 (recalculate_used_alone): Same.
2383 (count_uses_and_derefs): Same.
2384 (is_escape_site): Same.
2385 (find_used_portions): Same.
2386 * gimple-low.c (lower_stmt): Same.
2387 (block_may_fallthru): Same.
2388 (lower_return_expr): Same.
2389 * tree-ssa-sink.c (is_hidden_global_store): Same.
2390 (statement_sink_location): Same.
2391 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2392 * expr.c (safe_from_p): Same.
2393 (expand_expr_real): Same.
2394 (expand_expr_real_1): Same.
2395 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2396 * predict.c (expr_expected_value): Same.
2397 (strip_builtin_expect): Same.
2398 (apply_return_prediction): Same.
2399 (tree_bb_level_predictions): Same.
2400 (tree_estimate_probability): Same.
2401 * tree-vn.c (vn_compute): Same.
2402 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2403 (remove_stmt_from_eh_region_fn): Same.
2404 (do_return_redirection): Same.
2405 (honor_protect_cleanup_actions): Same.
2406 (lower_try_finally_switch): Same.
2407 (lower_eh_constructs_1): Same.
2408 (tree_could_throw_p): Same.
2409 (verify_eh_throw_stmt_node): Same.
2410 * function.c (gimplify_parameters): Same.
2411 * tree-vectorizer.c (vect_is_simple_use): Same.
2412 (vect_is_simple_reduction): Same.
2413 * ipa-type-escape.c (scan_for_refs): Same.
2414 * tree-if-conv.c (tree_if_conversion): Same.
2415 (tree_if_convert_stmt): Same.
2416 (if_convertible_gimplify_modify_stmt_p): Rename from
2417 if_convertible_modify_expr_p.
2418 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2419 (ifc_temp_var): Same.
2420 (replace_phi_with_cond_modify_stmt): Rename from
2421 replace_phi_with_cond_modify_expr.
2422 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2423 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2424 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2426 * tree-flow-inline.h (var_ann): Same.
2427 (function_ann): Same.
2429 (mark_non_addressable): Same.
2430 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2431 * gimplify.c (tree_to_gimple_tuple): New.
2432 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2433 (gimplify_return_expr): Same.
2434 (gimplify_decl_expr): Same.
2435 (gimplify_self_mod_expr): Same.
2436 (gimplify_cond_expr): Same.
2437 (gimplify_init_constructor): Same.
2438 (gimplify_modify_expr): Same.
2439 (gimplify_expr): Same.
2440 (gimplify_function_tree): Same.
2441 (force_gimple_operand): Same.
2442 * tree-ssa-phiopt.c (conditional_replacement): Same.
2443 (minmax_replacement): Same.
2444 (abs_replacement): Same.
2445 * tree-dfa.c (create_var_ann): Same.
2446 (create_function_ann): Same.
2447 (create_stmt_ann): Same.
2448 (create_tree_ann): Same.
2449 (collect_dfa_stats_r): Same.
2450 * tree-ssa-pre.c (find_or_generate_expression): Same.
2451 (create_expression_by_pieces): Same.
2452 (try_look_through_load): Same.
2453 (insert_fake_stores): Same.
2454 (realify_fake_stores): Same.
2455 (compute_avail): Same.
2458 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2459 Adjust for GIMPLE_MODIFY_STMT.
2460 (NECESSARY): Adjust for new `common' layout.
2461 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2463 * tree-sra.c (sra_walk_modify_stmt): Rename from
2464 sra_walk_modify_expr.
2465 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2466 (generate_copy_inout): Same.
2467 (generate_element_copy): Same.
2468 (generate_element_zero): Same.
2469 (scalarize_copy): Same.
2470 * tree-mudflap.c (mf_decl_cache_locals): Same.
2471 (mf_build_check_statement_for): Same.
2472 (mf_xform_derefs): Same.
2473 * ipa-prop.c (ipa_method_modify_stmt): Same.
2474 * print-tree.c (print_node): Handle gimple tuples.
2475 Add case for tcc_gimple_stmt.
2476 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2478 (copy_prop_visit_assignment): Same.
2479 (copy_prop_visit_stmt): Same.
2480 (init_copy_prop): Same.
2481 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2482 (forward_propagate_into_cond_1): Same.
2483 (find_equivalent_equality_comparison): Same.
2484 (tidy_after_forward_propagate_addr): Same.
2485 (forward_propagate_addr_expr_1): Same.
2486 (simplify_not_neg_expr): Same.
2487 (simplify_switch_expr): Same.
2488 * tree-ssa-dce.c (find_pdom): Same.
2489 (mark_stmt_if_obviously_necessary): Same.
2490 (NECESSARY): Adjust for new `common' layout.
2491 * tree-flow.h: Same.
2492 * tree-vect-patterns.c (widened_name_p): Adjust for
2494 (vect_recog_dot_prod_pattern): Same.
2495 (vect_recog_widen_sum_pattern): Same.
2496 (vect_pattern_recog_1): Same.
2497 * tree-nested.c (init_tmp_var): Same.
2498 (save_tmp_var): Same.
2500 (convert_call_expr): Same.
2501 (finalize_nesting_tree_1): Same.
2502 * tree-ssa.c (verify_ssa): Same.
2503 (delete_tree_ssa): Same.
2504 * lambda-code.c (lbv_to_gcc_expression): Same.
2505 (lle_to_gcc_expression): Same.
2506 (lambda_loopnest_to_gcc_loopnest): Same.
2507 (can_put_in_inner_loop): Same.
2508 (can_convert_to_perfect_nest): Same.
2509 (perfect_nestify): Same.
2510 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2511 * tree-inline.c (copy_body_r): Same.
2512 (setup_one_parameter): Same.
2513 (initialize_inlined_parameters): Same.
2514 (estimate_num_insns_1): Same.
2515 (expand_call_inline): Same.
2516 (gimple_expand_calls_inline): Same.
2517 (copy_tree_r): Same.
2518 * tree-optimize.c (execute_free_cfg_annotations): Same.
2519 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2520 (vect_align_data_ref): Same.
2521 (vect_create_data_ref_ptr): Same.
2522 (vect_init_vector): Same.
2523 (vect_create_epilog_for_reduction): Same.
2524 (vectorizable_reduction): Same.
2525 (vectorizable_assignment): Same.
2526 (vectorizable_operation): Same.
2527 (vectorizable_store): Same.
2528 (vectorizable_load): Same.
2529 (vectorizable_live_operation): Same.
2530 (vectorizable_condition): Same.
2531 (vect_generate_tmps_on_preheader): Same.
2532 (vect_create_cond_for_align_checks): Same.
2533 * tree-object-size.c (collect_object_sizes_for): Same.
2534 (check_for_plus_in_loops_1): Same.
2535 (check_for_plus_in_loops): Same.
2536 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2537 (replace_use_variable): Same.
2538 (check_replaceable): Same.
2539 (rewrite_trees): Same.
2540 (identical_copies_p): Same.
2541 (insert_backedge_copies): Same.
2542 * tree-profile.c (tree_gen_edge_profiler): Same.
2543 * tree-vect-generic.c (expand_vector_operations_1): Same.
2544 * tree-ssa-structalias.c (update_alias_info): Same.
2545 (find_func_aliases): Same.
2546 * tree-cfg.c (factor_computed_gotos): Same.
2548 (make_goto_expr_edges): Same.
2549 (tree_merge_blocks): Same.
2550 (remove_useless_stmts_cond): Same.
2551 (remove_useless_stmts_1): Same.
2552 (tree_find_edge_insert_loc): Same.
2553 (verify_expr): Same.
2554 (gimplify_val): Same.
2555 (verify_gimple_tuples_1): New.
2556 (verify_gimple_tuples): New.
2557 (verify_stmts): Call verify_gimple_tuples.
2558 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2559 (get_unary_op): Same.
2560 (linearize_expr): Same.
2561 (get_single_immediate_use): Same.
2562 (negate_value): Same.
2563 (should_break_up_subtract): Same.
2564 (break_up_subtract): Same.
2565 (repropagate_negates): Same.
2566 (break_up_subtract_bb): Same.
2567 (reassociate_bb): Same.
2568 * config/i386/i386.c (ix86_va_start): Same.
2569 (ix86_gimplify_va_arg): Same.
2570 * stmt.c (expand_expr_stmt): Same.
2571 (warn_if_unused_value): Same.
2572 (expand_return): Same.
2573 * tree-ssanames.c (make_ssa_name): Same.
2574 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2575 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2576 (add_virtual_operand): Same.
2577 (get_expr_operands): Same.
2578 (parse_ssa_operands): Same.
2579 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2581 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2583 * config.host: Remove extra blank line.
2585 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2587 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2588 target is also an x86 variant.
2590 2006-12-05 Richard Guenther <rguenther@suse.de>
2592 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2593 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2594 (ix86_builtin_vectorized_function): New function to vectorize
2597 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2599 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2600 ia64_override_options.
2602 2006-12-04 Jan Hubicka <jh@suse.cz>
2604 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2607 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2609 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2610 * config/bfin/bfin.c: Include "timevar.h".
2611 (bfin_flag_schedule_insns2, splitting_for_sched,
2612 bfin_flag_var_tracking): New variables.
2613 (print_operand): Handle '%!'.
2614 (override_options): Disable normal sched2 pass, instead set
2615 bfin_flag_schedule_insns2 for reorg to handle it.
2616 (output_file_start): Likewise for var-tracking.
2617 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2618 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2620 (bfin_reorg): Do second scheduling pass here, and call
2621 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2622 of examining insns directly. If bfin_flag_var_tracking, call
2623 var-tracking pass when done with everything else.
2624 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2625 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2626 (movsi_insn32): New pattern, with two new splits to create it
2627 before the final scheduling pass.
2628 (neghi2): Not a dsp32 insn, rather alu0.
2629 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2630 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2631 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2632 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2633 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2634 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2635 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2636 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2637 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2638 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2639 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2640 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2641 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2642 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2643 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2644 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2645 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2646 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2647 variants instead of ';'.
2648 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2649 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2650 (align8, align16, align24): Now named patterns; also using '%!'.
2653 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2655 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2656 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2658 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2660 * config/spu/spu-protos.c (spu_split_address): Add.
2661 * config/spu/spu.c (spu_split_address): Add.
2662 (print_operand): Handle HIGH.
2663 (spu_legitimate_address): Don't test for aligned CONST.
2664 (spu_expand_mov): Don't split addresses here.
2665 * config/spu/constraints.md (A): Don't test legitimate_const.
2666 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2667 (ceq_di): Use correct predicates.
2669 2006-12-04 Eric Christopher <echristo@apple.com>
2671 * config/darwin.h: Update copyright notice.
2672 * config/i386/darwin.h: Ditto.
2674 2006-12-04 Jan Hubicka <jh@suse.cz>
2676 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2677 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2679 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2681 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2683 * tree-ssa-structalias.c (set_used_smts): Export.
2684 (find_what_p_points_to): Don't call set_used_smts here.
2685 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2687 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2689 * tree-ssa-alias.c (compute_may_aliases):
2690 Compute flow sensitive before flow insensitive.
2691 (compute_flow_sensitive_aliasing): Don't try to add
2692 a symbol memory tag to itself.
2694 * alias.h (alias_set_subset_of): New prototype.
2696 * alias.c (alias_set_subset_of): New function.
2698 * tree-ssa-structalias.c: Update comments.
2699 (struct variable_info): Add finished_solution.
2700 (new_varinfo): Set finished solution to NULL.
2701 (var_escaped_vars): Remove.
2702 (escaped_vars_tree): Remove.
2703 (escaped_vars_id): Remove.
2704 (nonlocal_vars_id): Remove.
2705 (constraint_expr_type): Add INCLUDES.
2706 (graph_size): Removed.
2707 (dump_constraint): Support INCLUDES.
2708 (build_constraint_graph): Ditto.
2709 (collapse_nodes): Add merge_solutions argument.
2710 Don't merge attributes.
2711 (process_unification_queue): Just use collapse_nodes.
2712 (perform_var_substitution): Update call to collapse_nodes.
2713 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2714 (process_constraint): Fix non-field sensitive handling
2716 (get_constraint_for): Use INCLUDES.
2717 (make_constraint_from_anything): Renamed from
2718 make_constraint_from_escaped.
2719 (make_constraint_to_escaped): Removed.
2720 (find_global_initializers): Removed.
2721 (create_variable_info_for): Do not make constraints to escaped
2723 (dump_solution_for_var): Don't print out the equivalent points-to
2724 sets, just use the name of the variable it shares it with.
2725 (intra_create_variable_infos): Use INCLUDES.
2726 Change nonlocal variable sets to anything sets.
2727 (init_base_vars): Remove escaped_vars and nonlocal_var
2729 (find_escape_constraints): Removed.
2730 (delete_points_to_sets): Remove dead code.
2731 (used_smt_calculated): New variable.
2732 (set_used_smts): New function.
2733 (merge_smts_into): New function.
2734 (find_what_p_points_to): Modify to use SMTs.
2735 (create_nonlocal_var): Remove.
2737 * tree-ssa-operands.c (access_can_touch_variable): Remove
2738 reference to nonlocal_all.
2740 * tree-ssa.c (verify_name_tags): Remove.
2742 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2744 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2745 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2747 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2749 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2750 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2751 (add_livein_if_notdef): Delete.
2752 (loe_visit_block): New. Propogate live on entry info for a block into
2753 each predecessor. If it changes, make sure it is visited again.
2754 (live_worklist): Visit every block and update the live on entry info
2755 for preds. Iterate over any that changed.
2756 (set_var_live_on_entry): Populate the live on entry blocks with bits
2757 based on the immediate uses of a var.
2758 (calculate_live_on_entry): Remove.
2759 (calculate_live_on_exit): Calculate live on exit based on the newly
2760 oriented live on entry bits.
2761 (calculate_live_ranges): Build live on entry and exit vectors.
2762 (dump_live_info): Use new orientation of live on entry bitmaps.
2763 (verify_live_on_entry): New. Split out verification code from old
2764 calculate_live_on_entry routine.
2765 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2766 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2767 basic_block instead of for a partition.
2768 (live_merge_and_clear): Add asserts.
2769 (make_live_on_entry): Set partition bit in basic block vector.
2771 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2774 * omp-low.c (expand_omp_for_static_nochunk,
2775 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2779 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2780 parallels if region->exit or region->inner->exit is NULL.
2781 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2783 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2784 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2785 or region->exit is NULL.
2786 (expand_omp_sections): Handle NULL region->cond or region->exit.
2789 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2791 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2792 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2794 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2796 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2797 TYPE_MAX_VALUE for scalar types here but...
2798 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2799 is attached an error mark, and the return value of the callback
2800 if it is not NULL_TREE.
2802 2006-12-04 Ben Elliston <bje@au.ibm.com>
2804 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2806 2006-12-03 Eric Christopher <echristo@apple.com>
2809 * config/t-slibgcc-darwin: Pass -install_name.
2810 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2811 libtool. Only pass through options that the linker recognizes.
2812 (LINK_SPEC): Update comment. Translate options.
2813 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2814 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2816 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2818 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2820 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2823 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2824 operands[1] in insn constraint. Correct type attribute to sselog1.
2826 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2829 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2831 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2832 processor detection.
2834 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2835 -march=native if there is no -mtune=*.
2837 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2840 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2842 * doc/install.texi: Update recommended MPFR version. Remove
2843 obsolete reference to cumulative patch.
2845 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2848 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2850 2006-11-30 Jan Hubicka <jh@suse.cz>
2851 Uros Bizjak <ubizjak@gmail.com>
2853 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2854 32bit memcpy/memset decriptors.
2855 (decide_alg): With -minline-all-stringops and sizes that are best
2856 to be copied via libcall still work hard enough to pick non-libcall
2859 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2861 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2863 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2864 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2865 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2866 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2867 config/spu/spu-c.c, config/spu/spu-modes.def,
2868 config/spu/spu.c, config/spu/spu.md,
2869 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2870 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2871 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2872 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2873 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2874 spelling conventions.
2876 * config/i386/i386.c: Fix a comment typo.
2878 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2880 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2881 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2882 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2883 better optimization.
2884 (floatv4siv4sf2): New.
2885 (fix_truncv4sfv4si2): New.
2886 (floatunsv4siv4sf2): New.
2887 (fixuns_truncv4sfv4si2): New.
2895 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2896 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2897 spu_resolve_overloaded_builtin instead of static inline functions.
2899 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2901 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2902 type instead of the size of its mode to compute the highest and
2903 lowest possible values. Still check the size of the mode before
2904 flipping the signedness of the comparison.
2906 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2908 * config/spu/predicates.md (spu_mov_operand): Add.
2909 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2910 (print_operand_address, print_operand): Handle addresses containing AND.
2911 (spu_split_load, spu_split_store): Use updated movti pattern.
2912 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2913 stores in mov patterns for correct operation of reload.
2914 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2916 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2919 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2921 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2923 * common.opt (ftree-combine-temps): Remove.
2924 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2925 (coalesce_ssa_name): Don't check for combine-temps.
2926 (coalesce_vars): Remove.
2927 (check_replaceable): Use num_imm_uses.
2928 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2929 check for combine-temps.
2930 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2931 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2932 to register_ssa_partition calls.
2933 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2934 (init_var_map, delete_var_map): remove refernces to ref_count.
2935 (create_ssa_var_map): Never calculate a ref count.
2936 (type_var_init): Remove.
2937 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2938 (SSA_VAR_MAP_REF_COUNT): Delete.
2939 (create_ssa_var_map): Change Prototype to have no parameters.
2940 (version_ref_count): Delete.
2941 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2943 (type_var_num, type_var, type_var_first_partition,
2944 type_var_next_partition, type_var_dump, type_var_delete,
2945 type_var_remove_partition, type_var_find, type_var_compact,
2946 type_var_decompact): Remove.
2948 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2950 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2953 2006-12-01 Richard Guenther <rguenther@suse.de>
2956 * dwarf2out.c (struct pubname_struct): Make name const.
2957 (add_pubtype): Do not xstrdup identifiers.
2959 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2961 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2962 multiword accesses are in range.
2964 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2966 PR tree-optimization/29921
2967 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2968 (set_lattice_value): Use canonicalize_float_value.
2970 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2972 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2973 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2974 (spu_cpu_cpp_builtins): Remove.
2975 (spu_override_options): Don't set warn_main.
2976 (spu_force_reg): Move from spu-c.c.
2977 (spu_check_builtin_parm): Likewise.
2978 (expand_builtin_args): Likewise.
2979 (spu_expand_builtin_1): Likewise.
2980 (spu_expand_builtin): Likewise.
2981 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
2982 warn_main and targetm.resolve_overloaded_builtin.
2983 * config/spu/spu-c.c (spu_builtin_range): Remove.
2984 (spu_check_builtin_parm): Remove.
2985 (expand_builtin_args): Remove.
2986 (spu_expand_builtin_1): Remove.
2987 (spu_expand_builtin): Remove.
2988 (spu_cpu_cpp_builtins): Moved from spu.c
2989 (spu_force_reg): Remove.
2991 2006-12-01 Joseph Myers <joseph@codesourcery.com>
2992 David Edelsohn <edelsohn@gnu.org>
2995 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
2996 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
2997 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
2998 HARD_REGNO_NREGS_WITH_PADDING): Define.
2999 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3000 HARD_REGNO_NREGS_WITH_PADDING): Define.
3001 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3002 Use new macros to detect modes with holes; do not look at integer
3004 (subreg_offset_representable_p): Check for and disallow cases
3005 where the modes use different numbers of bits from registers.
3006 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3007 constant for soft-float.
3008 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3010 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3011 in E500 double case.
3012 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3013 (movtf_softfloat): New.
3015 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3017 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3018 simplify_gen_subreg.
3020 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3022 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3023 (COALESCE_HASH_FN): New. Define hash function.
3024 (partition_pair_map_hash): New. Hash value for a partition pair.
3025 (partition_pair_map_eq): New. Equality for hash pairs.
3026 (create_coalesce_list): Create hash table.
3027 (delete_coalesce_list): Free hash table.
3028 (find_partition_pair): Find/create pairs in hash table.
3029 (compare_pairs): Sort pairs in ascending order now.
3030 (num_coalesce_pairs): New. Number of pairs in hash table.
3031 (struct partition_pair_iterator): Iterator struct for pair table.
3032 (first_partition_pair): Iterator function for first pair.
3033 (end_partition_pair_p): Iterator function for end of iteration.
3034 (next_partition_pair): Iterator function for next pair.
3035 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3036 (sort_coalesce_list): Sort pairs from hash table into an array.
3037 (pop_best_coalesce): Take pairs from the array.
3038 (dump_coalesce_list): Update to use hash table or sorted array.
3039 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3040 (struct coalesce_list_d): Add hash table related fields.
3042 2006-11-30 Jan Hubicka <jh@suse.cz>
3045 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3046 memmove/bcopy->memcpy conversion.
3048 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3050 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3051 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3052 Default is the largest alignment supported for 32-bit ELF and
3053 representable on a 32-bit host.
3055 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3057 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3059 2006-11-30 Jan Hubicka <jh@suse.cz>
3061 * tree-ssa-operands.h (struct ssa_operands): New.
3062 * tree-flow-inline.h (gimple_ssa_operands): New function.
3063 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3064 * Makefile.in: Remove gt-tree-ssa-operands.h
3065 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3066 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3067 operand_memory, operand_memory_index, ops_active): Remove statics.
3068 (ALLOC_OPTYPE): Update.
3069 (operand_build_sort_virtual): Update.
3070 (ssa_operands_active): Update.
3071 (init_ssa_operands): Update.
3072 (fini_ssa_operands): Update.
3073 (ssa_operand_alloc): Update.
3074 (INITIALIZE_USE): Update.
3075 (finalize_ssa_use_ops): Update.
3076 (finalize_ssa_v_may_def_ops): Update.
3077 (finalize_ssa_vuse_ops): Update.
3078 (finalize_ssa_v_must_def_ops): Update.
3080 2006-11-30 Richard Guenther <rguenther@suse.de>
3082 * tree-vectorizer.h (vectorizable_function): Export.
3083 * tree-vect-transform.c (vectorizable_function): Likewise.
3084 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3085 type_in to scalar type in recognition of squaring.
3086 Make sure the target can vectorize sqrt in recognition
3087 of sqrt, set type_in to vector type in this case.
3089 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3091 * config/i386/i386.md (R10_REG): New constant.
3092 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3093 (ix86_emit_restore_regs_using_mov): Ditto.
3094 (ix86_expand_call): Ditto.
3095 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3097 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3099 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3100 * alias.c (canon_true_dependence): Update comment.
3102 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3104 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3105 at the end of a diagnostics message.
3107 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3108 until after asserting that it was allocated in the right pool.
3110 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3111 successor edge information as well. Make output of live regs
3112 on exit consistent with live regs on entry.
3114 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3117 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3118 insn patterns for TARGET_80387.
3119 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3120 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3121 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3122 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3123 Generate truncxf<mode>2 insn patterns for strict SSE math.
3125 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3127 * config/i386/i386.md (movsf_1): Enable pattern for standard
3128 80387 constants before reload when optimizing for size.
3129 (*movdf_nointeger, *movdf_integer): Ditto.
3130 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3131 80387 constants before reload when not optimizing for size.
3133 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3134 extension of XFmode input operands.
3136 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3138 * config/spu/crt0.c (__dso_handle): Define.
3140 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3142 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3143 when clearing the used flags.
3145 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3147 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3149 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3152 * config/spu/spu.md (extend_compare<mode>): New pattern.
3153 (extend_compare): Change to expand and use the above pattern.
3155 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3157 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3159 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3160 (DFP_INIT_ROUNDMODE): Define.
3161 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3162 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3164 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3166 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3167 Update documentation.
3168 (associate_line_notes_with_blocks): Kill.
3169 (extend_bb): Remove basic block argument, put void instead.
3170 Remove line number handling for each bb.
3171 (save_line_notes): Kill.
3172 (restore_line_notes): Kill.
3173 (sched_init): Remove line_note_head initialization.
3174 Change extend_bb call.
3175 (sched_finish): Remove free of line_note_head.
3176 (add_block): Change extend_bb call.
3177 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3178 rm_line_notes and restore_line_notes calls.
3179 (schedule_ebbs): Remove rm_redundant_line_notes.
3180 * sched-int.h (struct haifa_insn_data): Remove line_note.
3181 (save_line_notes): Remove declaration.
3182 (restore_line_notes): Remove declaration.
3183 * modulo-sched.c (loop_canon_p): Update debug info printing
3184 by using insn locators instead of line note.
3185 (sms_schedule): Update debug info printing, by using insn
3186 locators instead of line note.
3187 * sched-rgn.c (debug_dependencies): Remove handling of case
3188 n>0 (line number), since it's a dead code.
3189 (schedule_region): Remove save_line_notes and
3190 restore_line_notes calls.
3192 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3194 * config/rs6000/predicates.md (gpc_reg_operand): Check
3195 invalid_e500_subreg.
3196 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3197 SImode subregs of SPE vectors.
3198 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3199 * jump.c (true_regnum): Require subregs to satisfy
3200 subreg_offset_representable_p.
3202 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3203 Steven Bosscher <stevenb.gcc@gmail.com>
3205 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3206 since it no longer exists.
3208 2006-11-29 Duncan Sands <baldrick@free.fr>
3210 PR tree-optimization/23744
3211 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3213 2006-11-29 Duncan Sands <baldrick@free.fr>
3215 PR tree-optimization/23744
3216 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3218 2006-11-29 Duncan Sands <baldrick@free.fr>
3220 PR tree-optimization/23744
3221 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3223 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3225 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3227 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3229 * sh.opt (minline-ic_invalidate): New option.
3230 (musermode): Adjust comment.
3231 * sh.c (sh_initialize_trampoline): Emit library call unless
3232 is set; if it is set, don't emit library call if we can use icbi
3234 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3235 icbi for TARGET_SH4_300.
3236 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3237 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3238 -musermode documentation.
3240 2006-11-29 Jim Tison <jtison@us.ibm.com>
3242 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3243 __gthread_recursive_mutex_init): Define.
3245 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3247 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3248 STRICT_ALIGNMENT and the type is more aligned than the saved
3249 registers, copy via a temporary.
3251 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3254 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3257 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3259 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3261 2006-11-28 Jan Hubicka <jh@suse.cz>
3263 Privatize SSA variables into gimple_df.
3264 * tree-flow-inline.h
3265 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3266 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3267 gimple_nonlocal_all): New accessors.
3268 (first_referenced_var): Update.
3269 (mark_stmt_modified): Update.
3270 (is_call_clobbered): Update.
3271 (mark_call_clobbered): Update.
3272 (clear_call_clobbered): Update.
3273 (mark_non_addressable): Update.
3274 * tree-vrp.c (get_value_range): Update.
3275 * tree-into-ssa.c (in_ssa_p): Kill.
3276 (get_default_def_for): Update.
3277 (rewrite_into_ssa): Update.
3278 * tree-complex.c (init_parameter_lattice_values): Update.
3279 (update_complex_assignment): Update.
3280 (update_parameter_components): Update.
3281 (expand_complex_libcall): Update.
3282 (expand_complex_operations_1): Update.
3283 * tree-tailcall.c (arg_needs_copy_p): Update.
3284 (add_virtual_phis): Update.
3285 (tree_optimize_tail_calls_1): Update.
3286 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3287 * tree-ssa-copyrename.c
3288 (copy_rename_partition_coalesce): Update.
3289 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3290 * tree-ssa-propagate.c (set_rhs): Update.
3291 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3292 addressable_vars, global_var):Kill.
3293 (set_initial_properties): Update.
3294 (init_alias_info): Update.
3295 (finalize_ref_all_pointers): Update.
3296 (setup_pointers_and_addressables): Update.
3297 (maybe_create_global_var): Update.
3298 (create_global_var): Update.
3299 (dump_points_to_info): Update.
3300 * function.h (struct gimple_df): Forward declare.
3301 (struct function): Add GIMPLE_DF field.
3302 * gimplify.c (force_gimple_operand): Update.
3303 * tree-dfa.c (referenced_vars, default_defs): KIll.
3304 (make_rename_temp): Update.
3305 (dump_variable): Update.
3306 (referenced_var_lookup): Update.
3307 (referenced_var_check_and_insert): Update.
3308 (default_def): Rename to ...
3309 (gimple_default_def): ... this one; accept cfun argument.
3310 (set_default_def): Update.
3311 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3312 (cleanup_control_flow): Update.
3313 * tree-ssa-pre.c (compute_avail): Update
3314 * tree-ssa-live.c (calculate_live_on_entry): Update.
3315 * tree-ssa.c (verify_use): Update.
3316 (verify_call_clobbering): Update.
3317 (verify_call_clobbering): Update.
3318 (init_tree_ssa): Update.
3319 (delete_tree_ssa): Update.
3320 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3321 (rewrite_out_of_ssa): Update.
3322 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3323 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3325 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3326 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3327 addressable_vars, aliases_computed_p): Kill.
3328 (default_def): Rename to...
3329 (gimple_default_def): ... this one.
3330 (defaule_def_fn): Kill.
3331 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3332 * tree-ssa-structalias.c (nonlocal_all): Kill.
3333 (get_constraint_exp_from_ssa_var): Update.
3334 (create_nonlocal_var): Update.
3335 (get_constraint_for): Update.
3336 (update_alias_info): Update.
3337 (find_global_initializers): Update.
3338 (intra_create_variable_infos): Update.
3339 (intra_create_variable_infos):
3340 (find_what_p_points_to): Update.
3341 (init_alias_heapvars): Update.
3342 * tree-cfg.c (remove_bb): Update.
3343 (gimplify_val): Update.
3344 * tree-ssa-reassoc.c (get_rank): Update.
3345 (init_reassoc): Update.
3346 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3347 (ssa_names, free_ssanames): Kill.
3348 (init_ssanames): Update.
3349 (make_ssa_name): Update.
3350 (release_ssa_name): Update.
3351 (release_defs): Update.
3352 (replace_ssa_name_symbol): Update.
3353 * tree-ssa-operands.c (access_can_touch_variable): Update.
3354 (add_virtual_operand): Update.
3355 (add_call_clobber_ops): Update.
3356 (add_call_read_ops): Update.
3357 (get_call_expr_operands): Update.
3358 (get_asm_expr_operands): Update.
3360 2006-11-28 Jan Hubicka <jh@suse.cz>
3362 * builtins.c: Include tree-flow.h.
3363 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3364 assignment; convert memmove to memcpy for sizes greater than 1 where
3365 alignment of operands prohibit the partial overlap.
3367 2006-11-28 Jan Hubicka <jh@suse.cz>
3369 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3370 * cgraph.c (dump_cgraph_node): Dump stack usage.
3371 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3372 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3373 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3374 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3375 (cgraph_check_inline_limits): Limit stack growth.
3376 * cfgexpand.c: Include tree-inline.h.
3377 (account_stack_vars): New function.
3378 (expand_one_var): New param to just account the stack; return estimated
3380 (expand_used_vars_for_block): Update call of expand_one_var.
3381 (account_used_vars_for_block): New function.
3382 (estimated_stack_frame_size): Likewise.
3383 (init_vars_expansion, fini_vars_expansion): Break out from..
3384 (expand_used_vars): ... here.
3385 * tree-inline.h (estimated_stack_frame_size): Declare.
3386 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3388 2006-11-28 Richard Guenther <rguenther@suse.de>
3390 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3391 unsigned long for printing OBJECT_SIZE.
3393 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3395 * alias.c (init_alias_analysis): Remove simplification loop
3396 after propagating pointers.
3398 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3400 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3403 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3405 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3407 2006-11-27 Roger Sayle <roger@eyesopen.com>
3408 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3410 * c-common.c (constant_fits_type_p): Delete.
3411 (unsigned_conversion_warning): Delete.
3412 (conversion_warning): Integrate Wconversion warning from
3413 unsigned_conversion_warning.
3414 (convert_and_check): Integrate Woverflow warning from
3415 unsigned_conversion_warning. Reorganize and simplify to avoid
3416 dependence upon the middle-end setting TREE_OVERFLOW on integral
3417 conversions, by using int_fits_type_p directly.
3419 2006-11-27 Tobias Burnus <burnus@net-b.de>
3421 * doc/invoke.texi: Fixed typo.
3423 2006-11-27 Michael Matz <matz@suse.de>
3424 Andreas Krebbel <krebbel1@de.ibm.com>
3427 * config/s390/predicates.md (larl_operand): Check addend of larl
3428 operand to be in range of -/+2GB.
3429 * config/s390/s390.c (legitimize_pic_address): Likewise.
3430 Changed type of variable even to HOST_WIDE_INT.
3432 2006-11-27 Jan Hubicka <jh@suse.cz>
3434 * expr.c (emit_block_move_via_libcall): Export.
3435 (clear_storage_via_libcall): Rename to ...
3436 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3437 (clear_storage): Update to set_storage_via_libcall.
3438 * expr.h (emit_block_move_via_libcall): Declare
3439 * config/i386/i386.h (stringop_alg): New enum.
3440 (MAX_STRINGOP_ALGS): New constant.
3441 (stringop_algs): New struct.
3442 (processor_costs): Add memcpy/memset descriptors.
3443 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3444 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3445 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3447 * config/i386/i386.opt (minline-stringops-dynamically,
3448 mstringop-strategy): New
3450 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3451 (ix86_expand-clrmem): Rename to ...
3452 (ix86_expand_setmem): ... this one; update prototype.
3453 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3454 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3455 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3456 nocona_cost, core2_cost, generic_cost, generic64_cost,
3457 generic32_cost): Add memcpy/memset descriptors.
3458 (x86_rep_movl_optimal): Remove.
3459 (stringop_alg): New static variable.
3460 (ix86_expand_aligntest): Handle predictions.
3461 (override_options): Add strgop_alg handling.
3462 (predict_jump): New function.
3463 (scale_counter): New function.
3464 (expand_set_or_movmem_via_loop): New function.
3465 (expand_movmem_via_rep_mov): New function.
3466 (expand_setmem_via_rep_stots): New function.
3467 (emit_strmov): New function.
3468 (expand_movmem_epilogue): New function.
3469 (expand_setmem_epilogue_via_loop): New function.
3470 (expand_setmem_epilogue): New function.
3471 (expand_movmem_prologue): New function.
3472 (expand_setmem_prologue): New function.
3473 (decide_alg): New function.
3474 (decide_alignment): New function.
3475 (ix86_exand_movmem): Rewrite.
3476 (promote_duplicated_reg): New function.
3477 (ix86_expand_clrmem): Rename to ...
3478 (ix86_expand_setmem): ... this one. Rewrite.
3480 * invoke.texi (minline-stringops-dynamically): New command line option.
3481 (mstringop-strategy): Likewise.
3483 2006-11-27 Jan Hubicka <jh@suse.cz>
3485 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3486 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3487 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3488 * insn-notes.def (FUNCTION_END): Remove.
3489 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3490 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3492 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3493 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3494 * cfglayout.c (duplicate_insn_chain): Don't worry about
3497 2006-11-27 Richard Guenther <rguenther@suse.de>
3498 Zdenek Dvorak <dvorakz@suse.cz>
3500 * target.h (struct gcc_target): Add builtin_vectorized_function
3502 * target-def.h (TARGET_VECTORIZE): Likewise.
3503 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3504 Document new target hook.
3505 * targhooks.h (default_builtin_vectorized_function): Declare.
3506 * targhooks.c (default_builtin_vectorized_function): Define.
3507 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3508 (vectorizable_call): Declare.
3509 * tree-vect-analyze.c (vect_analyze_operations): Call
3511 * tree-vect-transform.c (vectorizable_function): New static function.
3512 (build_vectorized_function_call): Likewise.
3513 (vectorizable_call): New function.
3514 (vect_transform_stmt): Handle vectorizable calls.
3516 2006-11-27 Richard Guenther <rguenther@suse.de>
3519 * builtins.c (expand_builtin_pow): Optimize non integer valued
3520 constant exponents using sqrt or cbrt if possible. Always fall back
3521 to expanding via optabs.
3523 2006-11-27 Ira Rosen <irar@il.ibm.com>
3525 PR tree-optimization/22372
3526 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3527 the type of the base address.
3528 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3529 it in the data-ref pointer creation.
3530 (vect_init_vector): Add an argument, type of the init vector. Use it in
3532 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3533 (get_initial_def_for_reduction): Likewise.
3534 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3536 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3537 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3538 correct type in stmt creation.
3539 (vect_setup_realignment): Use the correct type in stmt creation.
3540 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3542 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3543 of MODIFY_EXPR to void_type_node.
3544 (vectorizable_condition): Change type of MODIFY_EXPR to
3546 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3549 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3552 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3553 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3554 standard 80387 constants, raise the cost to prevent
3555 compress_float_constant() to generate load from memory.
3557 * config/i386/i386.md: Add new splitter pattern to split
3558 float_extended load of constant from constant pool into
3561 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3563 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3564 section to general section. Remove documentation for
3565 --with-mpfr-dir and --with-gmp-dir, add documentation for
3566 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3569 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3571 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3573 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3575 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3577 PR tree-optimization/29122
3578 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3579 for the new version. Assign NULL to DECL_RTL of the new version.
3581 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3583 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3585 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3587 * cse.c (cse_altered): Remove.
3588 (record_jump_equiv): Make true/false argument a bool instead
3590 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3591 where appropriate. Emit a new jump before the existing one
3592 instead of after so that delete_insn_and_edges removes the
3593 dead edges properly. Check any_condjump_p before calling
3595 (cse_basic_block): Check any_condjump_p before calling
3597 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3599 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3601 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3602 -ffixed-line-length-* options.
3604 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3606 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3607 (fprem1xf4): Rename to fprem1xf4_i387.
3609 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3610 Rename patterns to fmod<mode>3. Use general_operand operand
3611 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3612 patterns for SSE math.
3613 (remaindersf3, remainderdf3): Ditto.
3615 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3617 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3618 inside start_sequence / end_sequence pair.
3620 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3622 * jump.c (mark_all_labels): Work in cfglayout mode.
3623 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3624 when in cfglayout mode, because there are no dead jumptables
3626 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3628 (commit_edge_insertions): Do not allow insertion of instructions
3629 with control flow insns when in cfglayout mode.
3631 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3633 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3635 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3636 unswitch_loop): Ditto.
3637 * tree-loop-linear.c (linear_transform_loops): Ditto.
3638 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3639 tree_ssa_lim): Ditto.
3640 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3641 free_numbers_of_iterations_estimates): Ditto.
3642 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3643 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3644 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3645 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3646 place_new_loop, duplicate_loop, duplicate_subloops,
3647 update_single_exit_for_duplicated_loops, copy_loops_to,
3648 duplicate_loop_to_header_edge, create_preheaders,
3649 force_single_succ_latches, loop_version, fix_loop_structure):
3651 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3652 tree_unroll_loop): Ditto.
3653 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3654 * tree-scalar-evolution.c (select_loops_exit_conditions,
3655 scev_initialize, scev_analysis): Ditto.
3656 * tree-scalar-evolution.h (scev_initialize): Ditto.
3657 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3658 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3659 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3660 * modulo-sched.c (sms_schedule): Ditto.
3661 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3662 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3663 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3664 * ifcvt.c (if_convert): Ditto.
3665 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3666 canonicalize_loop_induction_variables,
3667 canonicalize_induction_variables,
3668 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3669 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3670 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3671 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3672 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3673 tree_ssa_loop_done): Ditto.
3674 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3675 estimate_bb_frequencies): Ditto.
3676 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3677 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3678 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3679 decide_unrolling_and_peeling, peel_loop_completely,
3680 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3681 peel_loop_simple, unroll_loop_stupid): Ditto.
3682 * loop-doloop.c (doloop_optimize_loops): Ditto.
3683 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3684 * loop-invariant.c (move_loop_invariants): Ditto.
3685 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3686 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3687 tree_ssa_prefetch_arrays): Ditto.
3688 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3690 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3691 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3692 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3693 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3694 verify_loop_structure): Ditto.
3695 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3696 canonicalize_induction_variables, tree_unroll_loops_completely,
3697 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3698 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3699 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3700 tree_unroll_loop, linear_transform_loops): Declaration changed.
3701 * basic-block.h: Remove declaration of struct loops.
3702 * cfghooks.h (struct cfg_hooks): Change type of
3703 cfg_hook_duplicate_loop_to_header_edge.
3704 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3705 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3706 vect_transform_loop): Declaration changed.
3707 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3708 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3709 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3710 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3711 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3712 loopify, loop_version, remove_path, unswitch_loops,
3713 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3714 Declaration changed.
3716 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3718 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3719 (X87MODEF): New mode macro.
3720 (ssemodefsuffix): New mode attribute.
3721 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3722 (sqrt_extend<mode>xf2_i387): New insn pattern.
3723 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3724 insn and truncate result back to original mode using
3725 UNSPEC_TRUNC_NOOP truncation.
3726 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3727 ssemodefsuffix mode attribute.
3728 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3729 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3730 (*sqrtextenddfxf2_i387): Remove insn patterns.
3732 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3733 truncation patterns.
3735 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3737 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3740 * c-tree.h (c_maybe_initialize_eh): New prototype.
3741 * c-decl.c (finish_decl): Move EH initialization...
3742 (c_maybe_initialize_eh): ... here. New function.
3743 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3744 if not #pragma omp atomic.
3747 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3748 or UNION_TYPE inner types.
3750 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3753 * ipa-pure-const.c (check_tree): If the original tree
3754 is volatile return early and say the function is not pure
3755 nor const. Remove the volatile check for writes.
3756 (analyze_function): Print out the result of the local
3759 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3761 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3763 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3764 * config/rs6000/rs6000.c (rs6000_override_options): Use
3765 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3768 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3770 * config/s390.c (s390_emit_compare_and_swap): New function.
3771 (s390_expand_cs_hqi, s390_expand_atomic): Call
3772 s390_emit_compare_and_swap.
3774 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3776 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3778 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3782 * c-common.c (conversion_warning): New.
3783 (convert_and_check): Call conversion_warning unless there is an
3785 * doc/invoke.texi (-Wconversion): Update description.
3787 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3789 * tree-ssa-alias.c (tree_pointer_compare): New function.
3790 (compact_name_tags): New function.
3791 (group_aliases): Call compact_name_tags.
3793 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3795 * real.h (real_isinteger): Declare.
3796 * real.c (real_isinteger): Define.
3797 * builtins.c (integer_valued_real_p): Use it.
3799 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3802 * c.opt (Wtraditional-conversion): New.
3803 (Wconversion): Update description.
3804 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3805 type conversions different from what would happen in the absence
3806 of prototype are now handled by Wtraditional-conversion.
3807 * doc/invoke.texi (Wtraditional-conversion): New.
3808 (Wconversion): Update description.
3809 * doc/trouble.texi (Wconversion): Replace Wconversion by
3810 Wtraditional-conversion.
3812 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3814 * predict.c (tree_estimate_probability): Check to make
3815 sure current_loops is non null before calling flow_loops_dump.
3817 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3819 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3821 2006-11-23 David Ung <davidu@mips.com>
3823 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3825 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3826 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3827 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3828 high part of FP register when in 64-bit FP register mode. Similarly
3829 use gen_mfhc1 to load high part of FP register.
3830 (override_options): Allow -mgp32 and -mfp64 combination if
3831 ISA_HAS_MXHC1 (currently for O32 only).
3832 (mips_cannot_change_mode_class): If floating-point registers are
3833 bigger than word size. disallow conversion of float register from a
3834 large integer mode to a float mode smaller than the float register
3836 (mips_class_max_nregs): Handle float registers case seperately.
3837 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3839 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3840 (movdf_hardfloat_32bit): Similarly.
3841 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3842 support a full 64-bit fpu.
3843 (mthc1): New pattern to generate MTHC1 instruction.
3844 (mfhc1): New pattern to generate MFHC1 instruction.
3845 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3846 option for the MIPS32R2 and mention its use under O32 ABI.
3848 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3850 * var-tracking.c (emit_note_insn_var_location): Take care not to
3851 cause verify_flow_info failures.
3853 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3855 * tree-ssa-structalias.c: Remove edge weights in favor of just
3856 processing them as complex constraints.
3857 (struct constraint_graph): Remove weighted succs and preds. Rename
3858 nonweighted succs and preds.
3859 (constraint_edge): Removed.
3860 (constraint_edge_t): Ditto.
3861 (constraint_edge_pool): Ditto.
3862 (new_constraint_edge): Ditto.
3863 (constraint_edge_equal): Ditto.
3864 (constraint_edge_less): Ditto.
3865 (constraint_edge_vec_find): Ditto.
3866 (erase_self_graph_edge): Ditto.
3867 (add_graph_edge): Removed.
3868 (get_graph_weights): Ditto.
3869 (allocate_graph_weights): Ditto.
3870 (valid_weighted_graph_edge): Ditto
3871 (bitmap_other_than_zero_bit_set): Ditto.
3872 (int_add_graph_edge): Renamed to add_graph_edge.
3873 (clear_edges_for_node): Remove support for weighted edges.
3874 (merge_graph_nodes): Ditto.
3875 (valid_graph_edge): Ditto.
3876 (build_constraint_graph): Ditto.
3878 (collapse_nodes): Ditto.
3879 (process_unification_queue): Ditto.
3880 (topo_visit): Ditto.
3881 (do_ds_constraint): Ditto.
3882 (perform_var_subsitution): Ditto.
3883 (solve_graph): Ditto.
3884 (init_alias_vars): Ditto.
3885 (delete_points_to_sets): Ditto.
3886 (do_complex_constraint): Support offsetted copies here.
3888 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3890 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3892 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3894 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3897 2006-11-23 Ben Elliston <bje@au.ibm.com>
3899 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3901 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3903 PR tree-optimization/29921
3904 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3905 signed and unsigned zero equal.
3907 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3909 * config/rs6000/rs6000.c (get_store_dest): New.
3910 (adjacent_mem_locations): Use get_store_dest() to get
3911 the rtl of the store destination.
3913 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3915 * config/rs6000/spe.md (SPE64): New mode macro.
3916 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3918 (mov_si<mode>_e500_subreg0_2): New.
3919 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3921 (mov_si<mode>_e500_subreg4_2): New.
3922 * config/rs6000/predicates.md (input_operand): Do not allow
3923 invalid E500 subregs.
3924 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3926 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3927 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3928 involving vector modes if TARGET_SPE.
3930 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3933 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3934 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3936 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3938 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3939 mem_i_address_operand): New predicates.
3940 * config/bfin/bfin.c (bfin_issue_rate): New function.
3941 (TARGET_SCHED_ISSUE_RATE): New macro.
3942 * config/bfin/bfin.md (addrtype): New attribute.
3943 (slot0, slot1, slot2, store, pregs): New cpu_units.
3944 (core): Now a define_reservation.
3945 (alu): Remove some insn types from this reservation.
3946 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3948 (dummy reservation): Don't trigger for mcld insns.
3949 (absence_sets): Two new absence sets to enforce slot ordering.
3950 (popsi_insn): Set addrtype.
3952 2006-11-22 Ira Rosen <irar@il.ibm.com>
3954 * doc/c-tree.texi: Document new tree codes.
3955 * doc/md.texi: Document new optabs.
3956 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3958 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3959 * optabs.h (optab_index): Add new.
3960 (vec_extract_even_optab, vec_extract_odd_optab,
3961 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3962 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3963 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3965 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3966 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3967 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3968 along with macros for their access.
3969 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3971 * tree-vect-analyze.c (toplev.h): Include.
3972 (vect_determine_vectorization_factor): Fix indentation.
3973 (vect_insert_into_interleaving_chain,
3974 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3975 (vect_analyze_data_ref_dependence): Add argument for interleaving
3976 check. Check for interleaving if it's true.
3977 (vect_check_dependences): New function.
3978 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
3979 every ddr. Call vect_analyze_data_ref_dependence with new argument.
3980 (vect_update_misalignment_for_peel): Update for interleaving.
3981 (vect_verify_datarefs_alignment): Check only first data-ref for
3983 (vect_enhance_data_refs_alignment): Update for interleaving. Check
3984 only first data-ref for interleaving.
3985 (vect_analyze_data_ref_access): Check interleaving, update
3987 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
3988 with different parameters.
3989 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
3990 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
3991 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
3992 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3993 Update step in case of interleaving.
3994 (vect_strided_store_supported, vect_permute_store_chain): New
3996 (vectorizable_store): Handle strided stores.
3997 (vect_strided_load_supported, vect_permute_load_chain,
3998 vect_transform_strided_load): New functions.
3999 (vectorizable_load): Handle strided loads.
4000 (vect_transform_stmt): Add argument. Handle strided stores. Check
4001 that vectorized stmt exists for patterns.
4002 (vect_gen_niters_for_prolog_loop): Update calculation for
4004 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4005 whole chain vectorization.
4006 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4007 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4008 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4009 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4010 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4012 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4014 * cse.c (enum taken): Remove PATH_AROUND.
4015 (addr_affects_sp_p, invalidate_skipped_set,
4016 invalidate_skipped_block): Remove.
4017 (cse_end_of_basic_block): Remove skip_blocks and related code.
4018 (cse_main): Don't test for flag_cse_skip_blocks.
4019 Update cse_end_of_basic_block call.
4020 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4021 code to lengthen the path if a jump was simplified.
4023 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4025 PR rtl-optimization/29924
4026 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4027 (unroll_loop_runtime_iterations): Assert that the argument passed to
4028 split_edge_and_insert is not NULL.
4029 * loop-doloop.c (add_test): Ditto.
4031 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4033 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4035 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4036 * cfgloopmanip.c (update_single_exits_after_duplication,
4037 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4038 * tree-scalar-evolution.c (get_loop_exit_condition,
4039 get_exit_conditions_rec, loop_closed_phi_def,
4040 number_of_iterations_in_loop, scev_const_prop): Ditto.
4041 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4042 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4044 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4046 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4047 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4048 slpeel_make_loop_iterate_ntimes,
4049 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4050 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4052 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4053 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4054 vect_analyze_loop_form): Ditto.
4055 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4056 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4057 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4058 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4059 vect_transform_loop): Ditto.
4060 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4061 (single_exit, set_single_exit): New functions.
4062 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4063 (single_exit, set_single_exit): Declare.
4064 * doc/loop.texi: Undocument single_exit field. Document single_exit
4067 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4069 PR tree-optimization/29902
4070 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4071 any involved ssa name appears in abnormal phi node.
4073 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4075 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4076 (xtensa_const_ok_for_letter_p): Delete.
4077 (xtensa_extra_constraint): Delete.
4078 (override_options): Delete xtensa_char_to_class initialization.
4079 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4080 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4081 (EXTRA_CONSTRAINT): Delete.
4082 * config/xtensa/xtensa.md: Include constraints.md.
4083 (call_internal): Combine alternatives.
4084 (call_value_internal): Likewise, and remove invalid constraints.
4085 * config/xtensa/constraints.md: New file.
4086 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4087 (xtensa_extra_constraint): Delete.
4088 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4091 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4093 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4094 of conversion that doesn't fit.
4096 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4097 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4098 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4100 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4102 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4104 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4106 2006-11-21 Richard Guenther <rguenther@suse.de>
4108 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4109 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4110 vect_recog_pow_pattern.
4111 (vect_recog_pow_pattern): New function.
4113 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4115 * config/bfin/bfin.opt (mstack-check-l1): New.
4116 * doc/invoke.texi (Blackfin Options): Document it.
4117 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4118 stack bounds in L1 memory if the new option is enabled.
4119 (override_options): Don't allow combinations of -fstack-limit and
4121 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4124 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4126 (bfin_register_move_cost): Bump costs if trying to move plain
4127 integer values through accumulators.
4129 2006-11-21 Ben Elliston <bje@au.ibm.com>
4131 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4133 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4134 Russell Olsen <Russell_Olsen@playstation.sony.com>
4135 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4136 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4137 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4138 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4139 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4141 * config.gcc: Add target for SPU.
4142 * config/spu/constraints.md: New file.
4143 * config/spu/crt0.c: New file.
4144 * config/spu/crtend.c: New file.
4145 * config/spu/crti.asm: New file.
4146 * config/spu/crtn.asm: New file.
4147 * config/spu/float_unsdidf.c: New file.
4148 * config/spu/float_unssidf.c: New file.
4149 * config/spu/predicates.md: New file.
4150 * config/spu/spu-builtins.def: New file.
4151 * config/spu/spu-builtins.h: New file.
4152 * config/spu/spu-builtins.md: New file.
4153 * config/spu/spu-c.c: New file.
4154 * config/spu/spu-elf.h: New file.
4155 * config/spu/spu-modes.def: New file.
4156 * config/spu/spu-protos.h: New file.
4157 * config/spu/spu.c: New file.
4158 * config/spu/spu.h: New file.
4159 * config/spu/spu.md: New file.
4160 * config/spu/spu.opt: New file.
4161 * config/spu/spu_internals.h: New file.
4162 * config/spu/spu_intrinsics.h: New file.
4163 * config/spu/spu_mfcio.h: New file.
4164 * config/spu/t-spu-elf: New file.
4165 * config/spu/vec_types.h: New file.
4166 * config/spu/vmx2spu.h: New file.
4167 * doc/contrib.texi: Document SPU contributor.
4168 * doc/extend.texi: Document SPU extensions.
4169 * doc/invoke.texi: Document SPU options.
4170 * doc/md.texi: Document SPU constraints.
4172 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4174 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4176 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4178 (flow_loop_dump): Do not dump loop level.
4179 (flow_loops_find): Do not call flow_loops_level_compute.
4180 * cfgloop.h (struct loop): Remove level field.
4182 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4184 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4185 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4186 Use vector of edges instead of array.
4187 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4188 estimate_numbers_of_iterations_loop): Ditto.
4189 * predict.c (predict_loops): Ditto.
4190 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4191 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4193 * basic-block.h: Declare heap allocation for edge vectors.
4194 * tree-outof-ssa.c: Ditto.
4195 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4196 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4198 2006-11-20 Zack Weinberg <zackw@panix.com>
4200 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4201 Add another out parameter, "skip".
4202 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4203 is tagged "skip", do not mark its type used.
4205 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4208 * tree-sra.c (single_scalar_field_in_record_p): New function.
4209 (decide_block_copy): Use it.
4211 2006-11-20 David Daney <ddaney@avtrex.com>
4213 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4214 PC to point to following instruction.
4216 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4220 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4222 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4224 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4226 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4227 Add sh/superh.h to tm_file.
4229 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4230 Mark Mitchell <mark@codesourcery.com>
4232 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4234 (cpp_relocated): New function.
4235 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4237 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4238 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4239 replace configured prefix with gcc_exec_prefix.
4241 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4243 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4244 bfin_legitimate_constant_p.
4245 * config/bfin/bfin.md (movsi expander): Check return value of
4247 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4248 (expand_move): Adjust prototype.
4249 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4250 invalid constants specially.
4251 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4253 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4255 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4256 sibcall_value_symbol): Allow these patterns if
4257 TARGET_LEAF_ID_SHARED_LIBRARY.
4258 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4259 (override_options): Turn on id shared library flags if -msep-data,
4260 but disallow the combination of these options on the command line.
4261 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4262 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4263 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4264 -mid-shared-library.
4265 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4266 * doc/invoke.texi (Blackfin Options): Document new switches.
4268 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4269 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4271 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4272 inflate costs for addresses with an out-of-bounds address.
4274 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4277 * fwprop.c (loops): Remove.
4278 (forward_propagate_into): Use current_loops instead of
4280 (fwprop_init): Call loop_optimizer_init instead of
4282 (fwprop_done): Call loop_optimizer_finalize instead of
4284 (fwprop): Use current_loops instead of loops.
4286 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4289 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4291 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4294 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4295 larger than BITS_PER_WORD.
4297 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4301 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4302 to MAX_FIXED_MODE_SIZE.
4304 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4306 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4307 (fold_builtin_fmin_fmax): New.
4308 (fold_builtin_1): Use it.
4310 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4312 2006-11-18 Richard Guenther <rguenther@suse.de>
4314 * config/i386/i386.c (ix86_builtins): New array for ix86
4315 builtin function decls.
4316 (def_builtin): New function.
4317 (def_builtin_const): Likewise.
4318 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4320 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4322 * doc/invoke.texi (core2): Add item.
4324 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4326 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4327 (TARGET_CPU_DEFAULT_generic): Change value.
4328 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4329 (processor_type): Add new constant PROCESSOR_CORE2.
4331 * config/i386/i386.md (cpu): Add core2.
4333 * config/i386/i386.c (core2_cost): New initialized variable.
4334 (m_CORE2): New macro.
4335 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4336 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4337 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4338 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4339 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4340 x86_accumulate_outgoing_args, x86_prologue_using_move,
4341 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4342 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4343 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4344 x86_pad_returns): Add m_CORE2.
4345 (override_options): Add entries for Core2.
4346 (ix86_issue_rate): Add case for Core2.
4348 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4350 * doc/invoke.texi: Fix mno-isel typo.
4352 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4354 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4355 easy vector constant loads.
4357 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4359 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4360 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4361 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4362 * config/rs6000/sync.md (lwsync): Emit plain sync if
4365 2006-11-17 DJ Delorie <dj@redhat.com>
4367 * reload1.c (reloads_unique_chain): New.
4368 (reloads_conflict): Call it.
4370 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4372 * config/xtensa/predicates.md (addsubx_operand): New.
4373 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4374 (xtensa_emit_bit_branch): New.
4375 (xtensa_emit_movcc): New.
4376 * config/xtensa/xtensa.md (any_minmax): New code macro.
4377 (minmax): New code attribute.
4378 (any_cond, any_scc, any_scc_sf): New code macros.
4379 (*addx2, *addx4, *addx8): Delete.
4381 (*subx2, *subx4, *subx8): Delete.
4383 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4384 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4385 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4386 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4387 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4388 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4389 (movsfcc_internal0, movsfcc_internal1): Likewise.
4390 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4391 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4392 (xtensa_emit_bit_branch): New.
4393 (xtensa_emit_movcc): New.
4394 (function_arg_boundary): Add missing prototype.
4396 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4398 * config/xtensa/xtensa.md (tstsi): Delete
4400 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4402 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4404 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4406 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4408 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4410 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4412 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4414 * tree-vrp.c (execute_vrp): Do not update current_loops.
4415 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4416 * doc/loop.texi: Remove documentation for cancelled functions.
4417 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4418 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4420 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4421 (remove_path): Ensure that in delete_basic_blocks, the loops
4422 are still allocated.
4423 (add_loop): Work on valid loop structures.
4424 (loopify): Modify call of add_loop.
4425 (mfb_update_loops): Removed.
4426 (create_preheader): Do not update loops explicitly.
4427 (force_single_succ_latches, loop_version): Do not use
4428 loop_split_edge_with.
4429 (loop_split_edge_with): Removed.
4430 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4431 Do not use bsi_insert_on_edge_immediate_loop.
4432 (split_loop_exit_edge, tree_unroll_loop): Do not use
4433 loop_split_edge_with.
4434 (bsi_insert_on_edge_immediate_loop): Removed.
4435 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4436 use loop_split_edge_with.
4437 * cfghooks.c: Include cfgloop.h.
4438 (verify_flow_info): Verify that loop_father is filled iff current_loops
4440 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4441 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4443 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4445 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4446 loop_split_edge_with.
4447 (sms_schedule): Use current_loops.
4448 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4449 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4451 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4452 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4453 * ifcvt.c (if_convert): Ditto.
4454 * predict.c (predict_loops): Do not clear current_loops.
4455 (tree_estimate_probability): Use current_loops.
4456 (propagate_freq): Receive head of the region to propagate instead of
4458 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4459 (estimate_loops): New function. Handle case current_loops == NULL.
4460 (estimate_bb_frequencies): Do not allocate tovisit. Use
4462 * tree-ssa-loop.c (current_loops): Removed.
4463 (tree_loop_optimizer_init): Do not return loops.
4464 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4465 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4466 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4467 Do not update loops explicitly.
4468 * function.h (struct function): Add x_current_loops field.
4469 (current_loops): New macro.
4470 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4471 * loop-unroll.c (split_edge_and_insert): New function.
4472 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4473 use loop_split_edge_with.
4474 * loop-doloop.c (add_test, doloop_modify): Ditto.
4475 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4476 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4477 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4478 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4480 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4481 (flow_loops_free): Do not free dfs_order and rc_order.
4482 (flow_loops_find): Do not set dfs_order and rc_order in loops
4483 structure. Do not call loops and flow info verification.
4484 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4485 already belongs to some loop.
4486 * cfgloop.h (struct loops): Remove struct cfg.
4487 (current_loops, loop_split_edge_with): Declaration removed.
4488 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4489 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4490 Declaration removed.
4491 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4492 * basic-block.h (split_edge_and_insert): Declare.
4493 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4495 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4497 PR tree-optimization/29801
4498 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4499 (get_default_value): Use get_symbol_constant_value.
4500 (set_lattice_value): ICE when the value of the constant is
4502 (visit_assignment): Ignore VDEFs of read-only variables.
4504 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4506 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4508 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4509 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4511 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4513 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4514 select subvars of var.
4516 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4519 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4520 optimize if DEF doesn't have integral type.
4522 2006-11-16 Mike Stump <mrs@apple.com>
4524 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4525 pre-darwin9 system, unless the user asks for it directly.
4526 (PREFERRED_DEBUGGING_TYPE): Likewise.
4527 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4528 * config.gcc: Add suppport for darwin9.h.
4529 * config/darwin9.h: Add.
4530 * doc/install.texi (Specific): Clarify darwin documentation.
4532 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4534 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4535 optimizing for size.
4537 2006-11-16 Mike Stump <mrs@apple.com>
4539 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4541 2006-11-16 Dirk Mueller <dmueller@suse.de>
4543 * tree-vrp.c (get_value_range): Use XCNEW instead
4545 (insert_range_assertions): Use XCNEWVEC instead
4546 of XNEWVEC and memset.
4547 (vrp_initialize): Same.
4548 (vrp_finalize): Same.
4549 * tree-ssa-ccp.c (ccp_initialize): Same.
4550 * predict.c (tree_bb_level_predictions): Same.
4551 * calls.c (expand_call): Same.
4552 * tree-ssa-copy.c (init_copy_prop): Same.
4553 (fini_copy_prop): Same.
4554 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4555 of GGC_NEW and memset.
4557 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4560 * gimplify.c (gimplify_expr): Only force a load for references to
4561 non-BLKmode volatile values.
4562 * doc/implement-c.texi (Qualifiers implementation): Document the
4563 interpretation of what a volatile access is.
4564 * doc/extend.texi (C++ Extensions): Rework same documentation.
4566 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4568 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4571 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4573 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4575 (arm_neg_abssi2): Renamed from neg_abssi2.
4576 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4578 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4580 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4581 number of arguments passed to local functions in SSE registers is 3.
4583 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4584 number of arguments passed in SSE registers to 3.
4586 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4589 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4591 (get_last_bb_insn): ... new global function.
4592 (basic_block.h): Declare it.
4593 * haifa-sched.c (create_recovery_block): Use it.
4595 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4598 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4600 2006-11-15 Paul Brook <paul@codesourcery.com>
4602 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4603 _Unwind_GetTextRelBase): Move from here ...
4604 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4605 _Unwind_GetTextRelBase): ... To here.
4607 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4609 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4610 addresses we generate for testing are aligned.
4612 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4615 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4616 to what is the const decl is a place holder for.
4618 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4620 * config/i386/i386.opt: New target option -mx87regparm.
4622 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4623 and float_in_x87 variables. mmx_words, sse_words: Remove.
4624 (X87_REGPARM_MAX): Define.
4626 * config/i386/i386.c (override_options): Error out for
4627 -mx87regparm but no 80387 support.
4628 (ix86_attribute_table): Add x87regparm.
4629 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4630 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4631 (ix86_function_x87regparm): New function.
4632 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4634 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4636 (function_arg_advance): Process x87_nregs and x87_regno when
4637 floating point argument is to be passed in 80387 register.
4638 (function_arg): Pass XFmode arguments in 80387 registers for local
4639 functions. Pass SFmode and DFmode arguments to local functions
4640 in 80387 registers when flag_unsafe_math_optimizations is set.
4642 * reg-stack.c (convert_regs_entry): Disable NaN load for
4643 stack registers that are used for argument passing.
4645 * doc/extend.texi: Document x87regparm function attribute.
4646 * doc/invoke.texi: Document -mx87regparm.
4648 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4650 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4651 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4652 arg MODE; all callers changed. Use it to determine validity per
4653 machine mode instead of using Pmode for all memory references.
4654 (get_address_cost): Likewise add and use new arg MEM_MODE.
4656 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4657 J"orn Rennecke <joern.rennecke@st.com>
4659 * combine.c (likely_spilled_retval_1): Fix masking operation.
4660 (likely_spilled_retval_p): Use proper pattern for call to
4661 likely_spilled_retval_1.
4663 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4665 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4667 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4668 that tests for CONSTANT_POOL_ADDRESS_P.
4670 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4672 PR tree-optimization/29581
4673 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4674 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4675 type is different between Y and USE, create a temporary
4676 variable, initialize it at the beginning of the body bb
4677 and use it as replacement instead of Y.
4679 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4682 * gimplify.c (fold_indirect_ref_rhs): Use
4683 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4685 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4687 * expmed.c (emit_store_flag_1): New function.
4688 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4690 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4691 Use do_compare_rtx_and_jump.
4692 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4693 * arm.md (cstoresi4): New define_expand.
4694 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4695 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4696 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4698 2006-11-14 Caroline Tice <ctice@apple.com>
4700 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4701 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4703 (pubname_table): Redefine as a vector.
4704 (pubtype_table): New static global variable, defined as a vector.
4705 (pubname_table_allocated): Remove static global variable.
4706 (pubname_table_in_use): Remove static global variable.
4707 (PUBNAME_TABLE_INCREMENT): Remove constant.
4708 (size_of_pubnames): Add parameter to deal with either pubnames or
4709 pubtypes, and change code to deal with table being a vector.
4710 (add_pubname): Change to deal with table being a vector.
4711 (add_pubtype): New function.
4712 (output_pubnames): Add parameter to deal with either pubnames or
4713 pubtypes, and change code to deal with table being a vector.
4714 (gen_array_type_die): Add call to add_pubtype.
4715 (gen_enumeration_type_die): Add call to add_pubtype.
4716 (gen_struct_or_union_type_die): Add call to add_pubtype.
4717 (gen_subroutine_type_die): Add call to add_pubtype.
4718 (gen_typedef_die): Add call to add_pubtype.
4719 (dwarf2out_init): Add code to initialize pubname_table and
4720 pubtype_table vectors; also initialize debug_pubtypes_section.
4721 (prune_unused_types): Change to deal with pubnames being a vector.
4722 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4723 pubnames table to call to output_pubnames; Add code to output pubtypes
4724 table if DEBUG_PUBTYPES_SECTION is defined.
4725 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4727 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4729 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4731 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4732 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4733 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4734 movv2si_internal): Support moves between core registers.
4736 2006-11-14 Eric Christopher <echristo@apple.com>
4738 * configure: Regenerate with autoconf 2.59.
4740 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4742 Fix PR tree-optimization/27755
4744 * tree-ssa-pre.c: Update comments.
4745 (bb_bitmap_sets): Add pa_in and deferred member.
4746 (BB_DEFERRED): New macro.
4747 (maximal_set): New variable.
4748 (pre_stats): Add pa_insert member.
4749 (bitmap_set_and): Short circuit orig == dest.
4750 (bitmap_set_subtract_values): New function.
4751 (bitmap_set_contains_expr): Ditto.
4752 (translate_vuses_through_block): Add phiblock argument.
4753 (dependent_clean): New function.
4754 (compute_antic_aux): Update for maximal_set changes.
4755 (compute_partial_antic_aux): New function.
4756 (compute_antic): Handle partial anticipation.
4757 (do_partial_partial_insertion): New function.
4758 (insert_aux): Handle partial anticipation.
4759 (add_to_sets): Add to maximal set.
4760 (compute_avail): Ditto.
4761 (init_pre): Initialize maximal_set.
4762 (execute_pre): Do partial anticipation if -O3+.
4764 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4766 PR rtl-optimization/29798
4768 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4769 TARGET_INSN before any other check.
4770 (fwprop_init): Always calculate dominators.
4771 (fwprop_done): Always free them.
4773 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4775 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4778 2006-11-13 DJ Delorie <dj@redhat.com>
4780 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4781 temporary for intermediates.
4783 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4785 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4786 (sh_optimize_target_register_callee_saved): #if 0 the code
4787 using NOTE_INSN_LOOP_{BEG,END}.
4789 2006-11-13 Roger Sayle <roger@eyesopen.com>
4791 * fold-const.c (optimize_bit_field_compare): Recursively call
4792 fold when simplifying non-constant comparisons between bit-fields.
4794 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4796 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4798 * configure: Rebuilt.
4800 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4802 * config/rs6000/cell.md: New file.
4803 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4805 (ppccell_cost): New cost matrix.
4806 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4807 (rs6000_override_options): Set rs6000_always_hint to false
4808 for cell. Also align functions/lables/loops to 8byte
4809 for the Cell. Use PROCESSOR_CELL.
4810 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4811 using_mtcr_multiple.
4812 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4813 on the Cell, return 0.
4814 (rs6000_adjust_cost): Add Cell cost adjustments.
4815 (is_microcoded_insn): Return true for Cell microcoded
4817 (is_nonpipeline_insn): New function.
4818 (rs6000_issue_rate): Add PROCESSOR_CELL.
4819 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4821 (rs6000_use_sched_lookahead_guard): New function.
4822 (rs6000_sched_reorder): Reorder the ready list, if the second
4823 to last ready insn is a nonepipeline insn on the Cell.
4824 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4825 (ASM_CPU_SPEC): Add Cell.
4826 * config/rs6000/rs6000.md (cpu): Add Cell.
4827 (cell_micro): New Attr.
4830 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4832 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4834 * configure: Rebuilt.
4836 2006-11-13 Richard Guenther <rguenther@suse.de>
4838 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4840 (ix86_expand_lfloorceil): Likewise.
4841 (ix86_expand_rint): Likewise.
4842 (ix86_expand_floorceildf_32): Likewise.
4843 (ix86_expand_floorceil): Likewise.
4844 (ix86_expand_rounddf_32): Likewise.
4845 (ix86_expand_truncdf_32): Likewise.
4846 (ix86_expand_round): Likewise.
4848 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4849 Mark Mitchell <mark@codesourcery.com>
4851 * gcc.c: Organize search path variables into $prefix relative,
4852 and well-known native. Add comments.
4853 (add_sysrooted_prefix): Add comment.
4854 (process_command): If !gcc_exec_prefix add $prefix based paths.
4855 If *cross_compile == '0', add native well-known paths.
4856 Assert tooldir_base_prefix is always relative.
4857 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4858 use this value for 'install:' path.
4859 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4861 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4863 * config/i386/i386.c: Fix a typo in comment.
4865 2006-11-13 Michael Matz <matz@suse.de>
4867 * genemit.c (gen_expand): Allocate enough memory.
4869 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4871 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4872 __GXX_TYPEINFO_EQUALITY_INLINE but not
4873 __GXX_MERGED_TYPEINFO_NAMES.
4874 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4875 __GXX_MERGED_TYPEINFO_NAMES.
4876 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4877 __GXX_TYPEINFO_EQUALITY_INLINE.
4879 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4880 Zdenek Dvorak <dvorakz@suse.cz>
4882 PR tree-optimization/29680
4883 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4886 2006-11-12 Jason Merrill <jason@redhat.com>
4887 Andrew Pinski <pinskia@physics.uc.edu>
4890 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4892 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4894 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4895 * tree.c (build_vector): Handle non-_CST elements.
4897 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4899 * genemit.c (gen_insn): Call gen_exp with a non-null used
4900 when handling multiple insns.
4901 (gen_expand): Likewise.
4902 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4903 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4904 (movsi_const_16bit+1): Copy operands[1].
4905 (call_pcrel): Copy the call_site pattern.
4906 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4908 2006-11-12 Roger Sayle <roger@eyesopen.com>
4910 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4911 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4912 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4913 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4915 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4917 Fix PR tree-optimization/29587
4918 * tree-ssa-structalias.c (process_constraint): Don't
4919 mark address taken due only to escaped vars constraint.
4921 2006-11-12 Michael Matz <matz@suse.de>
4922 Roger Sayle <roger@eyesopen.com>
4924 PR rtl-optimization/29797
4925 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4926 BITS_BIG_ENDIAN targets.
4928 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4930 * builtins.c (fold_builtin_cosh): New.
4931 (fold_builtin_1): Use it.
4932 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4933 trunc to the list of "odd" functions. Also add llrint, lrint,
4934 rint and nearbyint when flag_rounding_math is false.
4936 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4938 * tree-flow.h (name_mappings_registered_p): Declare.
4939 * tree-into-ssa.c (name_mappings_registered_p): New function.
4940 * tree-cfg.c (tree_can_merge_blocks_p): Check
4941 name_mappings_registered_p instead of need_ssa_update_p.
4943 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4945 * tree-ssa-loop.c (tree_vectorize): Return the result of
4947 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4948 if anything changed.
4949 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4950 * tree-flow.h (vectorize_loops): Declaration changed.
4952 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4954 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4956 (issue_prefetch_ref): Move assignment to write_p out of loop.
4957 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4958 SIMULTANEOUS_PREFETCHES into account.
4959 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4960 * lambda-code.c (lcm): Renamed to ...
4961 (least_common_multiple): ... and exported.
4962 * tree-flow.h (least_common_multiple): Declare.
4964 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4966 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4967 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4968 ud-chains. Handle AND_EXPR.
4969 (record_estimate): Record whether the estimate is realistic
4970 and whether it is derived from a loop exit.
4971 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4972 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4974 (compute_estimated_nb_iterations): Take only realistic bounds into
4975 account. Set estimate_state. Use double_ints.
4976 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
4977 and infer_loop_bounds_from_signedness. Do not consider basic blocks
4978 that do not have to be always executed.
4979 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
4980 to determine whether to call infer_loop_bounds_from_undefined
4981 and compute_estimated_nb_iterations.
4982 (n_of_executions_at_most): Use double_ints.
4983 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
4984 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
4985 * double-int.c (double_int_to_tree): Improve comment.
4986 (double_int_fits_to_tree_p): New function.
4987 * double-int.h (double_int_fits_to_tree_p): Declare.
4988 * tree-data-ref.c: Include langhooks.h.
4989 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
4990 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
4991 (analyze_array): Do not pass estimate_only argument to
4992 analyze_array_indexes.
4993 (get_number_of_iters_for_loop): Build tree from the stored double_int
4995 (get_references_in_stmt, find_data_references_in_stmt): New functions.
4996 (find_data_references_in_loop): Use find_data_references_in_stmt.
4997 * tree-data-ref.h (struct data_ref_loc_d): New.
4998 (get_references_in_stmt): Declare.
4999 (estimate_iters_using_array): Declaration removed.
5000 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5001 double_int. Improve comments. Add is_exit and realistic
5003 (struct loop): Changed type of estimated_nb_iterations to double_int.
5004 Added estimate_state field.
5005 (record_estimate): Declaration removed.
5007 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5009 * params.c (set_param_value): Initialize the "set" field.
5010 * params.h (struct param_info): Add "set" field.
5011 (PARAM_SET_P): New macro.
5012 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5013 L1_CACHE_LINE_SIZE): New macros.
5014 * toplev.c (DEFPARAM): Initialize the "set" field.
5015 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5016 SIMULTANEOUS_PREFETCHES): Removed.
5017 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5018 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5019 * config/sparc/sparc.c: Include params.h.
5020 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5021 L1_CACHE_LINE_SIZE parameters.
5022 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5024 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5026 * config/i386/i386.c: Include params.h.
5027 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5028 (override_options): Set SIMULTANEOUS_PREFETCHES and
5029 L1_CACHE_LINE_SIZE parameters.
5030 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5031 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5032 L1_CACHE_LINE_SIZE parameters.
5033 * config/ia64/ia64.c (ia64_optimization_options): Set
5034 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5035 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5037 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5038 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5039 * doc/invoke.texi: Document new params.
5041 2006-11-12 Roger Sayle <roger@eyesopen.com>
5043 PR tree-optimization/13827
5044 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5047 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5049 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5050 update_single_exit_for_duplicated_loops): New functions.
5051 (duplicate_loop_to_header_edge): Use
5052 update_single_exit_for_duplicated_loops.
5053 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5054 functions only with ENABLE_CHECKING.
5056 2006-11-12 Andreas Schwab <schwab@suse.de>
5058 * except.c (sjlj_emit_function_enter): Remove unused variable.
5060 2006-11-11 Roger Sayle <roger@eyesopen.com>
5062 * fold-const.c (int_binop_types_match_p): New function.
5063 (size_binop): Relax constraint that both arguments must both have
5064 exactly the same sizetype type. Instead use int_binop_types_match_p.
5065 (size_diffop): Likewise.
5067 (make_range): Use build_int_cst instead of fold_convert.
5068 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5069 integer constants of the correct type.
5070 (fold_div_compare): Likewise.
5071 (fold_single_bit_test): Likewise.
5072 (fold_binary): Likewise.
5073 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5074 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5076 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5079 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5080 non null value if the struct memory access is in the 0th
5083 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5086 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5087 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5090 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5091 instead of builtin_define for bfin and BFIN.
5093 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5095 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5098 2006-11-11 Jan Hubicka <jh@suse.cz>
5100 * extend.texi (__builtin_expect): We no longer require second argument
5102 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5103 * builtins.c (expand_builtin_expect): Simplify.
5104 (expand_builtin_expect_jump): Kill.
5105 * final.c (final_scan_insn): Do not skip the removed notes.
5106 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5107 EXPECTED_VALUE): Remove.
5108 * dojump.c (do_jump): Do not care about __builtin_expect.
5109 * predict.c (expected_value_to_br_prob): Kill.
5110 * function.c (expand_function_end): Do not expand
5111 NOTE_INSN_REPEATED_LINE_NUMBER.
5112 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5113 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5114 * cfgexpand.c (add_reg_br_prob_note): Export.
5115 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5116 expected_value_to_br_prob.
5117 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5118 * rtl.h (add_reg_br_prob_note): Declare.
5120 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5122 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5124 2006-11-11 Jan Hubicka <jh@suse.cz>
5126 * predict.c (predict_loops): Kill RTL variant.
5128 2006-11-11 Jan Hubicka <jh@suse.cz>
5130 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5131 * modulo-sched.c (find_line_note): Remove.
5132 (loop_canon_p): Do not worry about line number notes.
5133 (sms_schedule): Likewise.
5134 * cse.c (cse_main): Likewise.
5135 * regmove.c (fixup_match_1): Likewise
5136 * function.c (emit_return_info_block): Likewise.
5137 (expand_function_end): Likewise.
5138 (thread_prologue_an_epilogue_insns): Likewise.
5139 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5141 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5142 emit_note_copy_after): Kill.
5143 (emit_note_copy): Do not worry about line numbers.
5144 * jump.c (purge_line_number_notes): Kill.
5145 (pass_purge_lineno_notes): Kill.
5146 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5148 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5149 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5150 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5151 * tree-pass.h (pass_purge_lineno_notes): Kill.
5152 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5153 rm_redundant_line_notes.
5154 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5155 rm_redundant_line_notes.
5156 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5157 * haifa-sched.c: Update comment about handling notes.
5158 (unlink_line_notes): Kill.
5159 (rm_line_notes): Kill.
5160 (save_line_notes): Simplify.
5161 (rm_redundant_line_notes): Kill.
5163 2006-11-11 Richard Guenther <rguenther@suse.de>
5165 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5166 Remove unused tree codes.
5167 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5168 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5169 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5170 * tree.c (stabilize_reference): Likewise.
5171 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5172 fold_unary): Likewise.
5173 * tree-gimple.c (is_gimple_cast): Likewise.
5174 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5175 * expr.c (expand_expr_real_1): Likewise.
5176 * tree-eh.c (tree_could_trap_p): Likewise.
5177 * gimplify.c (gimplify_expr): Likewise.
5178 * tree-inline.c (estimate_num_insns_1): Likewise.
5179 * tree-cfg.c (verify_expr): Likewise.
5181 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5183 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5184 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5185 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5187 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5190 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5191 constraints accept neither registers or memories.
5193 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5195 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5196 (NO_PROFILE_COUNTERS): Define as 1.
5198 2006-11-10 Roger Sayle <roger@eyesopen.com>
5200 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5201 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5203 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5205 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5207 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5209 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5210 (fold_builtin_hypot): Likewise.
5211 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5213 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5215 2006-11-10 Roger Sayle <roger@eyesopen.com>
5217 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5218 when attempting to build INTEGER_CSTs of non-integral types.
5219 * expmed.c (make_tree): Use the correct type, i.e. the inner
5220 type, when constructing the individual elements of a CONST_VECTOR.
5222 2006-11-10 Jan Hubicka <jh@suse.cz>
5224 * cse.c (cse_process_notes): Copy the propagated value.
5225 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5227 * gcse.c (try_replace_reg): Copy the replacement.
5228 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5229 (assign_386_stack_local): Always return copied memory expression
5230 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5233 2006-11-10 Jan Hubicka <jh@suse.cz>
5235 * final.c (final): Walk from first instruction.
5236 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5238 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5241 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5243 (umulv8hi3_highpart): Ditto.
5244 (vec_widen_smult_hi_v8hi): New expander.
5245 (vec_widen_smult_lo_v8hi): Ditto.
5247 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5250 * builtins.c (do_mpfr_arg3): New.
5251 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5253 2006-11-09 Eric Christopher <echristo@apple.com>
5258 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5259 * config.gcc (powerpc64-*-darwin*): New target.
5260 * config.host: Ditto.
5261 * config/rs6000/darwin64.h: New file.
5262 * config/rs6000/x-darwin64: Ditto.
5263 * config/rs6000/host-ppc64-darwin.c: Ditto.
5265 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5267 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5268 routines for integer division.
5270 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5272 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5274 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5277 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5279 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5281 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5282 simplify_subreg with BLKmode outer mode.
5284 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5286 * doc/invoke.texi: Minor formatting fixes in option lists.
5288 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5290 PR tree-optimization/29738
5291 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5292 (ccp_lattice_t): Remove UNKNOWN_VAL.
5293 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5294 Do not handle UNKNOWN_VAL.
5295 (get_default_value): Set initial value of virtual operands to
5297 (get_value): Always use get_default_value on uninitialized
5299 (set_value_varying, surely_varying_stmt_p): New functions.
5300 (set_lattice_value): Do not pass argument to get_value.
5301 Do not handle UNKNOWN_VAL.
5302 (likely_value): Follow the semantics described in the comment.
5303 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5304 phi nodes DONT_SIMULATE_AGAIN.
5305 (ccp_fold): Do not pass argument to get_value.
5306 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5309 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5311 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5312 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5314 2006-11-08 Roger Sayle <roger@eyesopen.com>
5316 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5317 test for inclusion rather than as a test for exclusion.
5318 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5319 the condition after calling fold_binary.
5320 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5321 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5322 * builtins.c (fold_builtin_isascii): Likewise.
5323 (fold_builtin_isdigit): Likewise.
5325 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5327 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5328 * configure: Regenerate.
5330 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5332 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5333 enum argument instead of bool.
5334 (vect_analyze_operations): Call vectorizable_type_promotion.
5335 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5336 stmt_vec_info_type value.
5337 (supportable_widening_operation, vectorizable_type_promotion): New
5338 function declarations.
5339 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5340 (vectorizable_type_promotion): New function.
5341 (vect_transform_stmt): Call vectorizable_type_promotion.
5342 * tree-vect-analyze.c (supportable_widening_operation): New function.
5343 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5345 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5348 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5349 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5350 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5352 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5353 * expr.c (expand_expr_real_1): Likewise.
5354 * optabs.c (optab_for_tree_code): Likewise.
5355 (init_optabs): Initialize new optabs.
5356 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5357 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5358 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5359 vec_unpacku_lo_optab): Initialize new optabs.
5360 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5361 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5362 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5364 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5365 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5366 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5367 (vec_unpacku_lo_optab): New optabs.
5368 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5369 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5370 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5371 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5372 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5373 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5375 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5376 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5377 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5378 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5379 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5380 implement the unsigned unpacking patterns.
5381 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5382 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5383 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5384 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5385 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5386 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5387 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5388 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5389 multiplication patterns.
5391 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5392 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5393 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5394 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5395 (rs6000_builtin_mul_widen_odd): New.
5396 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5397 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5398 * tree-vectorizer.h (enum vect_relevant): New enum type.
5399 (_stmt_vec_info): Field relevant chaned from bool to enum
5401 (STMT_VINFO_RELEVANT_P): Updated.
5402 (STMT_VINFO_RELEVANT): New.
5403 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5404 instead of STMT_VINFO_RELEVANT_P.
5405 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5406 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5407 and boolean variable with enum vect_relevant.
5408 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5409 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5410 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5412 2006-11-08 Richard Henderson <rth@redhat.com>
5414 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5415 vec_widen_umult_lo_v8hi): New.
5416 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5417 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5419 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5420 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5421 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5422 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5423 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5424 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5425 vec_unpacks_lo_v4si): New.
5427 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5429 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5430 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5431 (vect_analyze_operations): Call vectorizable_type_demotion.
5432 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5433 stmt_vec_info_type value.
5434 (vectorizable_type_demotion): New function declaration.
5435 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5438 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5439 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5441 * tree-iniline.c (estimate_num_insns_1): Likewise.
5442 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5443 * optabs.c (optab_for_tree_code): Likewise.
5445 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5446 compared against the predicate of the result is not 'mode' (the input
5447 to the function) but a mode with half the size of 'mode'.
5448 (init_optab): Initialize new optabs.
5449 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5451 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5453 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5454 (vec_pack_usat_optab): Initialize new optabs.
5455 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5456 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5458 2006-11-08 Richard Henderson <rth@redehat.com>
5460 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5461 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5462 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5463 (vec_interleave_highv4si, vec_interleave_lowv4si):
5464 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5466 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5468 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5470 (vect_transform_stmt): Removed redundant code.
5472 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5474 * tree-vect-transform.c (vectorizable_operation): Support multiple
5477 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5479 * tree-vect-transform.c (vect_align_data_ref): Removed.
5480 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5481 Updated function documentation. Return the increment stmt in ptr_incr.
5482 (bump_vector_ptr): New function.
5483 (vect_get_vec_def_for_stmt_copy): New function.
5484 (vect_finish_stmt_generation): Create a stmt_info to newly created
5486 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5488 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5489 VF is greater than the number of elements that can fit in one vector
5491 (vectorizable_operation, vectorizable_condition): Likewise.
5492 (vectorizable_store, vectorizable_load): Support the case that the VF
5493 is greater than the number of elements that can fit in one vector word.
5494 (vect_transform_loop): Don't fail in case of multiple data-types.
5495 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5496 in case of multiple data-types; the smallest type determines the VF.
5497 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5498 if they are of different sizes.
5499 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5500 number of elements rather than number of bytes.
5501 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5502 (vect_can_advance_ivs_p): Fix a dump printout
5504 2006-11-07 Eric Christopher <echristo@apple.com>
5506 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5507 (__bswapsi2): Ditto.
5508 * libgcc2.h: Remove transformation of bswap routines.
5509 * config/i386/i386.md (bswapsi2): New.
5512 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5514 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5515 (handle_gnu_inline_attribute): New function.
5516 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5517 (merge_decls, start_decl, start_function): Likewise.
5518 * doc/extend.texi: Document gnu_inline attribute.
5520 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5523 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5524 _fixunstfdi, and _floatditf
5526 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5528 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5530 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5531 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5532 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5533 which start in an odd register.
5535 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5537 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5539 2006-11-07 Josh Conner <jconner@apple.com>
5541 * doc/invoke.texi (fstrict-aliasing): Move implementation
5543 * doc/tree-ssa.texi (Alias analysis): ...here.
5545 2006-11-07 Richard Guenther <rguenther@suse.de>
5547 PR tree-optimization/29610
5548 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5549 of tree_purge_dead_eh_edges as it may free dominators.
5551 * g++.dg/other/pr29610.C: New testcase.
5553 2006-11-07 David Ung <davidu@mips.com>
5555 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5556 costs when optimizing for size.
5557 (override_options): Use mips_rtx_cost_optimize_size table for cost
5560 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5562 * gcc.c (process_command): Treat -b as normal switch if its argument
5565 2006-11-07 David Ung <davidu@mips.com>
5567 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5570 2006-11-06 Eric Christopher <echristo@apple.com>
5572 * config.gcc: Add x86_64-darwin host support.
5573 * config.host: Ditto.
5574 * config/i386/darwin64.h: New file.
5575 * config/i386/t-darwin64: Ditto.
5577 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5579 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5580 and output-exists-not.
5582 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5585 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5586 checking for overflow.
5588 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5590 * configure.ac: Fixed typo in case statement: :: changed to ;;
5592 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5594 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5595 count_leading_zeros, and count_trailing_zeros.
5596 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5597 (TARGET_FOLD_BUILTIN): Define.
5598 (TARGET_EXPAND_BUILTIN): Define.
5599 (xtensa_init_builtins): New.
5600 (xtensa_fold_builtin): New.
5601 (xtensa_expand_builtin): New.
5602 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5603 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5604 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5605 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5606 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5607 (any_extend): New code macro.
5608 (u, su): New code attributes.
5609 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5610 (nsau): Remove; replaced by clzsi2.
5611 (ffssi2): Use clzsi2.
5612 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5613 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5614 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5615 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5616 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5618 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5620 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5622 * config/arm/t-strongarm-elf: Likewise.
5623 * config/arm/t-pe: Likewise.
5624 * config/arm/t-arm-elf: Likewise.
5625 * config/arm/t-xscale-elf: Likewise.
5626 * config/arm/t-arm-coff: Likewise.
5627 * config/arm/t-xscale-coff: Likewise.
5628 * config/arm/t-wince-pe: Likewise.
5630 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5632 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5635 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5638 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5641 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5644 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5645 as a valid 80387 constant.
5646 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5647 * config/i386/i386.md (unnamed splitter): Split the load of
5648 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5651 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5653 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5654 from the soft-frame, argument and virtual registers.
5656 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5658 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5659 patterns for standard 80387 constants.
5661 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5662 Steven Bosscher <steven@gcc.gnu.org>
5664 * fwprop.c: New file.
5665 * Makefile.in: Add fwprop.o.
5666 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5667 * passes.c (init_optimization_passes): Schedule forward propagation.
5668 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5670 * timevar.def (TV_FWPROP): New.
5671 * common.opt (-fforward-propagate): New.
5672 * opts.c (decode_options): Enable forward propagation at -O2.
5673 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5674 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5675 canon_for_address, table_size): Remove.
5676 (new_basic_block, insert, remove_from_table): Remove references to
5678 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5679 simplification loop more straightforward by not calling fold_rtx
5681 (equiv_constant): Move here a small part of fold_rtx_subreg,
5682 do not call fold_rtx. Call avoid_constant_pool_reference
5684 * recog.h (canonicalize_change_group): New.
5686 * doc/invoke.texi (Optimization Options): Document fwprop.
5687 * doc/passes.texi (RTL passes): Document fwprop.
5689 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5691 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5692 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5693 (grokdeclarator): Likewise.
5695 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5697 * tree-dump.c (dump_enable_all): Rename local variable
5698 ir_type to avoid name conflicts.
5699 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5700 instead of using ir_type().
5701 * profile.c (tree_register_profile_hooks): Likewise.
5702 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5703 * basic-block.h (struct edge_def): Likewise.
5704 * config/arm/arm.c (legitimize_pic_address): Likewise.
5705 * coretypes.h (ir_type): New enum of all intermediate languages
5707 * cfghooks.c (ir_type): Rename to...
5708 (current_ir_type): ...this. Distinguish between cfgrtl and
5709 cfglayout mode when the current IR is RTL. Return enum ir_type.
5710 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5712 2006-11-03 Paul Brook <paul@codesourcery.com>
5714 * config/arm/arm.c (arm_file_start): New function.
5715 (TARGET_ASM_FILE_START): Define.
5716 (arm_default_cpu): New variable.
5717 (arm_override_options): Set arm_default_cpu.
5719 2006-11-03 David Ung <davidu@mips.com>
5721 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5722 PROCESSOR_24KC and PROCESSOR_24KF.
5723 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5724 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5725 (mips_rtx_cost_data): Add costs for the 24kc.
5726 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5727 * config/mips/24k.md: Remove references to 24k and replace with
5728 uses of 24kc/24kf in the appropriate reservations.
5729 * doc/invoke.texi (MIPS Options): Updated.
5731 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5733 * config/sh/crt1.asm: Fix #ifdef indent.
5735 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5736 Merged from STMicroelectronics sources:
5737 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5738 * config/sh/crt1.asm (vbr_600): Add missing #if.
5739 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5740 * sh.opt (mfused-madd): New option.
5741 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5742 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5743 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5744 Remove pointless handler at VBR+0.
5745 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5746 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5747 fr7. Make sure the timer handler is called with the correct FPU
5748 precision setting, according to the ABI.
5749 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5750 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5751 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5752 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5753 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5754 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5755 zero as second operand.
5756 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5757 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5758 Fixed some bugs related to negative values, in particular -0
5759 and overflow at -0x80000000.
5760 * config/sh/divcost-analysis: Added sh4-300 figures.
5761 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5762 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5763 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5764 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5765 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5766 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5768 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5770 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5771 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5772 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5773 mac_mem, mem_mac, dfp_mul, fp_cmp.
5774 (insn_class, dfp_comp, any_fp_comp): Update.
5775 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5776 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5777 (muldf3_i): Likewise.
5778 (movsi_i): Split rI08 alternative into two separate alternatives.
5780 (movsi_ie, movsi_i_lowpart): Likewise.
5781 (movqi_i): Split ri alternative into two separate alternatives.
5783 * sh1.md (sh1_load_store, sh1_fp): Update.
5784 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5785 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5786 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5787 (sh4a_fp_double_arith): Likewise.
5788 * sh4-300.md: New file.
5789 * sh.c (sh_handle_option): Handle m4-300* options.
5790 (sh_adjust_cost): Fix latency of auto-increments.
5791 Handle SH4-300 differently than other SH4s. Check for new insn types.
5792 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5793 been set by an option.
5794 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5795 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5796 (mbranch-cost=): Likewise.
5797 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5799 * sh.md (mulsf3): Remove special expansion code.
5800 (mulsf3_ie): Now a define_insn_and_split.
5801 (macsf3): Allow for TARGET_SH4.
5803 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5804 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5805 (expand_cbranchdi4): Likewise.
5806 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5807 CONST_DOUBLE if the outer code is COMPARE.
5808 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5809 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5810 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5811 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5812 Remove redundant fp_{zero,one}_operand checks.
5813 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5814 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5815 (expand_cbranchdi4): Likewise.
5816 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5817 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5819 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5821 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5824 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5826 * doc/invoke.texi: Fix mfp-trap-mode typo.
5828 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5830 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5831 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5832 file_end_indicate_exec_stack.
5833 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5835 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5836 for a non-executable stack.
5837 * crti.asm: Likewise.
5838 * crtn.asm: Likewise.
5839 * libunwind.S: Likewise.
5841 2006-11-02 Ben Elliston <bje@au.ibm.com>
5843 * tree-ssa.c (warn_uninit): Use expand_location variables for
5844 locus and declaration locus.
5846 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5849 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5850 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5851 cmp{eq,gt,gtu}{si,di}_media.
5852 (*cmpne0si_media): Remove.
5853 (*movsicc_umin): Adjust gen_cmp*_media call.
5854 (unordered): Change the mode of unordered and operands[1] to
5856 (seq): Adjust gen_cmp*_media calls. Make the mode of
5857 a temporary result of compare SImode if needed. If the mode
5858 of operands[0] is DImode, extend the temporary result to DImode.
5859 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5860 (sunorderd): Change the mode of match_operand and unorderd to
5862 (cmpeq{sf,df}_media): Remove.
5863 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5864 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5865 and compare operation to SImode.
5867 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5869 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5871 (sparc64-sun-solaris2*): Likewise.
5873 2006-11-02 Paul Brook <paul@codesourcery.com>
5875 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5876 from priority argument. Use different section for non-default
5878 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5880 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5883 * except.c (switch_to_exception_section): Do not cache the section
5884 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5885 and flag_function_sections is set.
5887 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5890 * builtins.c (do_mpfr_sincos): New.
5891 (fold_builtin_1): Use it to fold builtin sincos.
5893 2006-11-01 Roger Sayle <roger@eyesopen.com>
5895 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5896 it into -D_REENTRANT.
5898 2006-11-01 Roger Sayle <roger@eyesopen.com>
5900 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5901 whether the assembler supports taking the difference of symbols in
5902 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5903 * configure: Regenerate.
5904 * config.in: Regenerate.
5905 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5906 the assembler doesn't support taking the difference of symbols in
5907 different sections, i.e. we're using the native solaris assembler.
5909 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5910 Peter Bergner <bergner@vnet.ibm.com>
5912 * doc/invoke.texi: Add cpu_type power6x
5913 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5914 * config.gcc: Add cpu_type power6x.
5915 * configure.ac: Add test for mf{t,f}gpr instructions.
5916 (HAVE_AS_MFPGPR): New.
5917 * config.in: Regenerate.
5918 * configure: Regenerate.
5919 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5920 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5921 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5922 and mftgpr attributes.
5923 (define_attr "cpu"): Add power6.
5924 Change instruction sequences to use new attributes.
5925 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5926 (fix_truncdfsi2_mfpgpr): New.
5927 (floatsidf_ppc64_mfpgpr): New.
5928 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5929 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5930 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5931 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5932 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5933 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5934 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5935 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5936 cntlz,exts and var_delayed_compare.
5937 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5938 _ARCH_PWR6X, if features enabled.
5939 * config/rs6000/rs6000.opt (mmfpgpr): New.
5940 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5941 (cached_can_issue_more): New variable.
5942 (processor_costs): Add power6_cost.
5943 (rs6000_sched_init): New function.
5944 (is_dispatch_slot_restricted): Deleted.
5945 (set_to_load_agen): New function.
5946 (is_load_insn,is_store_insn): New functions.
5947 (adjacent_mem_locations): New function.
5948 (insn_must_be_first_in_group): New function.
5949 (insn_must_be_last_in_group): New function.
5950 (rs6000_sched_reorder): New function.
5951 (rs6000_sched_reorder2): New function.
5952 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5953 TARGET_SCHED_REORDER2): Define.
5954 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5955 Add power6x. Add MASK_MFPGPR for power6x.
5956 (POWERPC_MASKS): Add MASK_MFPGPR.
5957 (rs6000_override_options): Set rs6000_always_hint to false
5958 for power6. Set rs6000_align_branch_targets. Replace
5959 rs6000_sched_groups check with rs6000_align_branch_targets.
5960 Use PROCESSOR_POWER6.
5961 (last_scheduled_insn): New variable.
5962 (load_store_pendulum): New variable.
5963 (rs6000_variable_issue): Set last_scheduled_insn and
5964 cached_can_issue_more.
5965 (rs6000_adjust_cost): Add power6 cost adjustments.
5966 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5967 with insn_must_be_first_in_group. Add power6 priority adjustments.
5968 (rs6000_issue_rate): Add CPU_POWER6.
5969 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5970 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5971 (TARGET_MFPGPR): New.
5972 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5973 (ASM_CPU_SPEC): Add power6x.
5974 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5976 * config/rs6000/power6.md: New file.
5978 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
5980 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5981 HOST_WIDE_INT_PRINT to print high and low parts. Use
5982 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
5983 printing a hexadecimal number prefix it with 0x.
5985 2006-11-01 Chris Johns <chris@contemporary.net.au>
5988 * Makefile.in (install-driver): Use exeext when installing
5989 $target-gcc-$version.
5991 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
5993 * c-common.c (flag_cpp0x): New.
5994 * c-common.h (flag_cpp0x): New.
5995 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
5996 supported, define __GXX_EXPERIMENTAL_CPP0X__.
5997 * c-opts.c (set_std_cxx0x): New.
5998 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
5999 * c.opt (std=c++0x): Document.
6000 (std=gnu++0x): Ditto.
6001 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6002 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6004 2006-11-01 Richard Guenther <rguenther@suse.de>
6006 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6008 (ix86_expand_floorceildf_32): Likewise.
6009 (ix86_expand_floorceil): Likewise.
6010 (ix86_expand_trunc): Likewise.
6012 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6014 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6017 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6019 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6021 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6023 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6025 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6026 * configure.ac (use_cxa_atexit): As a special case, don't test
6027 for libc definition of __cxa_atexit on mingw32
6028 * configure: Regenerate.
6029 * config.gcc (i[34567]86-pc-mingw32): Default to
6030 enable__cxa_atexit=yes.
6032 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6034 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6036 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6039 * c-decl.c (start_struct): Don't create self-containing
6041 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6043 * config/rs6000/rs6000-protos.h
6044 (darwin_rs6000_special_round_type_align): New.
6045 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6046 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6048 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6050 * toplev.c (compile_file): Call final_write_globals
6051 even if there have been errors.
6053 2006-10-31 Eric Christopher <echristo@apple.com>
6054 Falk Hueffner <falk@debian.org>
6056 * doc/extend.texi (__builtin_bswap32): Document.
6057 (__builtin_bswap64): Ditto.
6058 * doc/libgcc.texi (bswapsi2): Document.
6060 * doc/rtl.texi (bswap): Document.
6061 * optabs.c (expand_unop): Don't widen a bswap.
6062 (init_optabs): Init bswap. Set libfuncs explicitly
6063 for bswapsi2 and bswapdi2.
6064 * optabs.h (OTI_bswap): New.
6065 (bswap_optab): Ditto.
6066 * genopinit.c (optabs): Handle bswap_optab.
6067 * tree.h (tree_index): Add TI_UINT32_TYPE and
6069 (uint32_type_node): New.
6070 (uint64_type_node): Ditto.
6071 * tree.c (build_common_tree_nodes_2): Initialize
6072 uint32_type_node and uint64_type_node.
6073 * builtins.c (expand_builtin_bswap): New.
6074 (expand_builtin): Call.
6075 (fold_builtin_bswap): New.
6076 (fold_builtin_1): Call.
6077 * fold-const.c (tree_expr_nonnegative_p): Return true
6079 * builtin-types.def (BT_UINT32): New.
6081 (BT_FN_UINT32_UINT32): Ditto.
6082 (BT_FN_UINT64_UINT64): Ditto.
6083 * builtins.def (BUILT_IN_BSWAP32): New.
6084 (BUILT_IN_BSWAP64): Ditto.
6085 * rtl.def (BSWAP): New.
6086 * genattrtab.c (check_attr_value): New.
6087 * libgcc2.c (__bswapSI2): New.
6088 (__bswapDI2): Ditto.
6089 * libgcc2.h (__bswapSI2): Declare.
6090 (__bswapDI2): Ditto.
6091 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6092 * simplify-rtx.c (simplify_const_unary_operation): Return
6094 * libgcc-std.ver (__bwapsi2): Add.
6095 (__bswapdi2): Ditto.
6096 * reload1.c (eliminate_regs_1): Add bswap.
6097 (elimination_effects): Ditto.
6098 * config/i386/i386.h (x86_bswap): New.
6099 (TARGET_BSWAP): Use.
6100 * config/i386/i386.c (x86_bswap): Set.
6102 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6104 * coverage.c (coverage_checksum_string): Update comment.
6105 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6106 of get_file_function_name.
6107 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6108 of get_file_function_name_long.
6109 * tree.c (get_file_function_name): Rename from
6110 get_file_function_name_long; improve comment; handle 'I' and 'D'
6111 specially when the target has ctor/dtor support; remove special
6113 (get_file_function_name): Remove.
6114 * tree.h (get_file_function_name): Rename from
6115 get_file_function_name_long.
6116 (get_file_function_name): Remove prototype.
6118 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6120 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6121 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6123 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6124 Call dsymutil when compiling and linking one or more source files
6127 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6130 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6132 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6134 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6135 inline static functions in c99 mode.
6138 * doc/extend.texi (Inline): Update.
6139 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6140 * c-decl.c (current_extern_inline): Delete.
6141 (pop_scope): Adjust test for an undefined nested function.
6142 Add warning about undeclared inline function.
6143 (diagnose_mismatched_decls): Update comments. Disallow overriding
6144 of inline functions in a translation unit in C99. Allow inline
6145 declarations in C99 at any time.
6146 (merge_decls): Boolize variables. Handle C99 'extern inline'
6148 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6149 C99 inline semantics.
6150 (start_function): Don't clear current_extern_inline. Don't set
6152 (c_push_function_context): Don't push current_extern_inline.
6153 (c_pop_function_context): Don't restore current_extern_inline.
6156 * c-typeck.c (build_external_ref): Warn about static variables
6157 used in extern inline functions.
6158 * c-decl.c (start_decl): Warn about static variables declared
6159 in extern inline functions.
6161 2006-10-31 Roger Sayle <roger@eyesopen.com>
6164 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6165 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6166 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6167 or y is an even integer.
6169 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6172 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6173 * gthr-posix95.h (__gthread_active_p): Likewise.
6175 2006-10-31 Richard Guenther <rguenther@suse.de>
6177 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6178 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6179 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6180 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6181 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6182 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6183 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6184 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6187 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6189 * opts.c (decode_options): Disable CSE skip blocks.
6191 2006-10-30 Dirk Mueller <dmueller@suse.de>
6193 * c-common.h (strict_aliasing_warning): Fix whitespace.
6194 * c-decl (start_function): Move code for main decl warning ..
6195 * c-common.c (check_main_parameter_types): .. here.
6196 * c-common.h (check_main_parameter_types): Declare.
6198 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6201 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6203 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6205 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6206 be a PARALLEL containing sets. Return false when out_pat is not
6209 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6211 * config/mips/mips.md (mul<mode>3): Split into...
6212 (mulsi3, muldi3): ...these separate patterns.
6214 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6216 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6217 but with each set of options separated by spaces.
6219 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6221 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6222 dwarf_reg_size_table has been initialized.
6224 2006-10-30 Roger Sayle <roger@eyesopen.com>
6226 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6227 * ddg.c (print_ddg_edge): Likewise.
6228 * dwarf2out.c (prune_unused_types_walk): Likewise.
6229 * ifcvt.c (noce_try_cmove_arith): Likewise.
6230 * langhooks.c (add_builtin_function): Likewise.
6231 * reg-stack.c (subst_stack_regs_pat): Likewise.
6232 * tree.c (expanded_location): Likewise.
6233 * tree-dump.c (dequeue_and_dump): Likewise.
6235 2006-10-30 David Daney <ddaney@avtrex.com>
6237 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6239 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6241 PR tree-optimization/29637
6242 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6243 of the innertype is the innertype itself.
6245 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6247 * dwarf2out.c (file_name_acquire): Correct typo.
6249 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6251 * tree.h (tree_value_handle): Remove struct value_set declaration.
6252 Change value_set to bitmap_set.
6253 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6254 * tree-vn.c (get_value_handle): Made inline and moved to
6256 * tree-flow-inline.h: (has_stmt_ann): New function.
6257 * tree-ssa-pre.c (expressions): New variable.
6258 (next_expression_id): Ditto.
6259 (alloc_expression_id): New function.
6260 (struct value_set): Remove.
6261 (get_expression_id): New function.
6262 (get_or_alloc_expression_id): Ditto.
6263 (expression_for_id): Ditto.
6264 (clear_expression_ids): Ditto.
6265 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6266 (bb_value_sets): Renamed to bb_bitmap_sets.
6267 All value sets replaced with bitmap_sets.
6269 (BB_VISITED): New macro.
6270 (postorder): New variable.
6271 (add_to_value): Removed.
6272 (value_exists_in_set_bitmap): Ditto.
6273 (value_insert_into_set_bitmap): Ditto.
6276 (set_remove): Ditto.
6277 (set_contains_value): Ditto.
6278 (insert_into_set): Ditto.
6280 (find_leader): Ditto.
6281 (bitmap_set_subtract_from_value_set): Ditto.
6282 (value_insert_into_set): Ditto.
6283 (print_value_set): Ditto.
6284 (debug_value_set): Ditto.
6285 (constant_expr_p): New function.
6286 (bitmap_remove_from_set): Ditto.
6287 (bitmap_insert_into_set): Ditto.
6288 (bitmap_set_free): Ditto.
6289 (vh_compare): Ditto.
6290 (sorted_array_from_bitmap_set): Ditto.
6291 (bitmap_set_subtract): Ditto.
6292 (bitmap_set_equal): Ditto.
6293 (debug_bitmap_set): Ditto.
6294 (find_leader_in_sets): Ditto.
6295 (bitmap_set_replace_value): Modify for bitmapped sets.
6296 (phi_translate): Ditto.
6297 (phi_translate_set): Ditto.
6298 (bitmap_find_leader): Ditto.
6299 (valid_in_sets): Ditto.
6300 (union_contains_value): Ditto.
6302 (compute_antic_aux): Ditto. Mark changed blocks.
6303 (compute_antic): Ditto. Iterate in postorder and only over
6305 (compute_rvuse_and_antic_safe): Reuse postorder.
6306 (create_component_ref_by_pieces): Modify for bitmapped sets.
6307 (find_or_generate_expression): Ditto.
6308 (create_expression_by_pieces): Ditto.
6309 (insert_into_preds_of_block): Ditto.
6310 (changed_blocks): New variable.
6311 (do_regular_insertion): Broken out from insert_aux.
6312 (insert_aux): Modified for bitmapped sets.
6313 (find_existing_value_expr): New function.
6314 (create_value_expr_from): Use it.
6315 (insert_extra_phis): Removed.
6316 (print_bitmap_set): Renamed from bitmap_print_value_set.
6317 (compute_avail): Handle RETURN_EXPR.
6318 (init_pre): Modify for bitmapped sets.
6319 * tree-flow.h (has_stmt_ann): New function.
6321 2006-10-29 Roger Sayle <roger@eyesopen.com>
6323 * builtins.c (fold_builtin_floor): Check for the availability of
6324 the C99 trunc function before transforming floor into trunc.
6326 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6328 * builtins.c (fold_builtin_hypot): Rearrange recursive
6329 transformation before others, and also do ABS_EXPR. When
6330 necessary, check flag_unsafe_math_optimizations. When necessary,
6333 2006-10-29 Roger Sayle <roger@eyesopen.com>
6335 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6336 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6337 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6338 Fold -X eq/ne -Y as X eq/ne Y.
6340 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6342 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6343 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6344 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6345 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6346 Use an inclusive test for "mult" rather than "mul".
6347 (rotr<mode>3): Depend on ISA_HAS_ROR.
6348 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6350 (GENERATE_MULT3_DI): Delete.
6351 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6352 (ISA_HAS_MUL3): New macro.
6353 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6354 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6355 (ISA_HAS_CLZ_CLO): Likewise.
6356 (ISA_HAS_DCLZ_DCLO): Delete.
6357 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6358 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6359 the VR4120 and VR4130.
6360 (ISA_HAS_MACCHI): Use consistent formatting.
6361 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6362 (ISA_HAS_ROR): ...this new macro.
6363 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6364 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6365 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6367 2006-10-29 Roger Sayle <roger@eyesopen.com>
6369 PR tree-optimization/15458
6370 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6373 2006-10-29 Richard Guenther <rguenther@suse.de>
6375 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6376 (ix86_expand_truncdf_32): Likewise.
6377 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6378 trunc inline for SSE math and -fno-trapping-math and if not
6379 optimizing for size.
6380 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6381 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6382 for expanding btrunc inline for SSE math.
6384 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6386 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6387 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6388 i[34567]86-*-solaris2.1[0-9]*.
6389 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6390 Define conditionally depending on TARGET_64BIT_DEFAULT.
6391 (SPEC_32, SPEC_64): Define.
6392 (LINK_SPEC): Use them.
6393 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6395 2006-10-29 Richard Guenther <rguenther@suse.de>
6397 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6398 (ix86_expand_rounddf_32): Likewise.
6399 * config/i386/i386.c (ix86_expand_round): New function expanding
6400 round inline for SSE math and -fno-trapping-math and if not
6401 optimizing for size.
6402 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6403 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6404 round via ix86_expand_round.
6406 2006-10-29 Richard Guenther <rguenther@suse.de>
6408 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6409 (ix86_expand_floorceildf_32): Likewise.
6410 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6411 static helper function.
6412 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6414 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6415 * config/i386/i386.md (floordf2): Adjust to enable floor
6416 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6417 -fno-trapping-math is enabled and if not optimizing for size.
6418 (floorsf2, ceildf2, ceilsf2): Likewise.
6419 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6420 (sse2_maskcmpdf3): Likewise.
6422 2006-10-29 Richard Guenther <rguenther@suse.de>
6424 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6425 rint in case -fno-trapping-math is enabled.
6426 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6427 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6428 (ix86_expand_sse_fabs): Likewise.
6429 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6430 * config/i386/i386.md (rintdf2): Enable for SSE math if
6431 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6432 (rintsf2): Likewise.
6434 2006-10-29 Richard Guenther <rguenther@suse.de>
6436 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6437 to conversion optabs.
6438 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6439 as conversion optab.
6440 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6441 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6442 (lfloor_optab, lceil_optab): Adjust defines.
6443 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6444 lfloor and lceil optabs now being conversion optabs.
6445 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6446 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6447 New static helper function.
6448 (ix86_expand_lfloorceil): New function to expand lfloor and
6450 * config/i386/i386.md (lfloor<mode>2): Split into ...
6451 (lfloorxf<mode>2): ... x87 variant
6452 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6453 using ix86_expand_lfloorceil.
6454 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6456 * doc/md.texi (lfloorMN, lceilMN): Document.
6458 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6460 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6461 -mno-shared assembler option on mips targets.
6462 * configure, config.in: Regenerate.
6463 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6464 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6465 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6467 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6469 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6470 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6472 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6474 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6475 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6478 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6481 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6482 (fold_builtin_pow): Evaluate constant arguments at compile-time
6484 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6485 (do_mpfr_ckconv): New helper function.
6486 (do_mpfr_arg1): Use do_mpfr_ckconv.
6487 (do_mpfr_arg2): New.
6489 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6492 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6493 (-fdump-rtl-sched): Rename to ..
6494 (-fdump-rtl-sched1): here. Also fix file extension number.
6496 2006-10-28 Richard Guenther <rguenther@suse.de>
6498 * fold-const.c (maybe_canonicalize_comparison): Fix code
6501 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6503 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6504 (NON_QI_REG_P): Use IN_RANGE.
6505 (REX_INT_REGNO_P): Use IN_RANGE.
6506 (FP_REGNO_P): Use IN_RANGE.
6507 (SSE_REGNO_P): Use IN_RANGE.
6508 (REX_SSE_REGNO_P): Use IN_RANGE.
6509 (MMX_REGNO_P): Use IN_RANGE.
6510 (STACK_REGNO_P): New macro.
6511 (STACK_REG_P): Use STACK_REGNO_P.
6512 (NON_STACK_REG_P): Use STACK_REGNO_P.
6513 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6514 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6515 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6516 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6517 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6519 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6521 * except.h (output_function_exception_table): Add 'const char*' param.
6522 * except.c (switch_to_exception_section): Add 'const char*' param.
6523 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6524 and flag_function_sections is set, use a function-specific section.
6525 (output_function_exception_table): Add 'const char*' param.
6526 Adjust call to switch_to_exception_section.
6527 * final.c (rest_of_handle_final): Adjust calls to
6528 output_function_exception_table.
6529 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6530 * config.in: Regenerate.
6531 * configure: Likewise.
6533 2006-10-28 Richard Guenther <rguenther@suse.de>
6536 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6537 for maybe_canonicalize_comparison.
6538 (maybe_canonicalize_comparison): New function for canonicalizing
6540 (fold_comparison): Call it to canonicalize comparisons with
6543 2006-10-28 Richard Guenther <rguenther@suse.de>
6546 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6547 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6548 (expand_builtin): Adjust likewise.
6549 * genopinit.c (optabs[]): Add lround optab.
6550 * optabs.c (init_optabs): Initialize lround_optab.
6551 * optabs.h (enum convert_optab_index): Add COI_lround.
6552 (lround_optab): Define.
6553 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6554 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6556 (ix86_expand_lround): New function.
6557 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6559 * doc/md.texi (lroundMN2): Document.
6561 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6564 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6565 argument to HOST_WIDE_INT. Update function prototype.
6566 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6567 "size" argument to HOST_WIDE_INT. Update function prototype.
6569 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6571 * config/i386/i386.c (output_387_ffreep): Create output from a
6572 template string for !HAVE_AS_IX86_FFREEP.
6574 2006-10-27 Eric Christopher <echristo@apple.com>
6576 * config/darwin.c: Fix formatting and grammar.
6578 2006-10-27 Jan Hubicka <jh@suse.cz>
6580 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6581 to be thrown away soon when IGNORE is set.
6582 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6583 indicating when return value shall not be computed.
6584 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6586 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6588 * config/i386/i386.h (TARGET_GEODE):
6589 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6590 (TARGET_CPU_DEFAULT_geode): New macro.
6591 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6592 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6593 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6594 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6595 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6597 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6598 (processor_type): Add PROCESSOR_GEODE.
6600 * config/i386/i386.md: Include geode.md.
6603 * config/i386/i386.c (geode_cost): New initialized global
6605 (m_GEODE, m_K6_GEODE): New macros.
6606 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6607 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6608 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6609 x86_schedule): Use m_K6_GEODE instead of m_K6.
6610 (x86_movx, x86_cmove): Set up m_GEODE.
6611 (x86_integer_DFmode_moves): Clear m_GEODE.
6612 (processor_target_table): Add entry for geode.
6613 (processor_alias_table): Ditto.
6615 * config/i386/geode.md: New file.
6617 * doc/invoke.texi: Add entry about geode processor.
6619 2006-10-27 Mike Stump <mrs@apple.com>
6621 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6622 __DYNAMIC__ from here back to ...
6623 * config/darwin.h (CPP_SPEC): ... here.
6625 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6626 Nathan Sidwell <nathan@codesourcery.com>
6628 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6629 when choosing the minimum heapsize.
6631 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6633 * gcc/unwind-dw2.h: Move cfa-related variables into
6634 struct frame_state_reg_info to ensure that the CFA is properly
6635 handled when executing DW_CFA_{remember,restore}_state.
6636 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6637 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6638 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6639 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6640 gcc/config/rs6000/linux-unwind.h,
6641 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6642 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6643 Modify to use new cfa_* fields.
6645 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6647 * config/s390/s390.c (s390_init_frame_layout): Check positive
6650 2006-10-26 Ben Elliston <bje@au.ibm.com>
6652 * gimplify.c (get_name): Remove extraneous break.
6653 (gimplify_omp_for): Initialise ret with GS_OK.
6655 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6657 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6658 Add unix98.o to link line.
6660 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6663 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6664 Calculate compile-time constants using MPFR.
6665 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6666 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6668 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6670 * config/xtensa/lib2funcs.S: Use C-style comments.
6672 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6674 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6675 (file_table_relative_p): Likewise.
6676 (dwarf2out_finish): Likewise.
6677 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6679 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6681 * tree-ssa-structalias.c (intra_create_variable_infos):
6682 Don't recreate nonlocal_all if it already exists.
6684 2006-10-25 Richard Guenther <rguenther@suse.de>
6687 * optabs.h (enum optab_index): Remove OTI_lrint.
6688 (enum convert_optab_index): Add COI_lrint.
6689 (lrint_optab): Adjust.
6690 (expand_sfix_optab): Declare.
6691 * optabs.c (expand_sfix_optab): New function.
6692 (init_optabs): Init lrint_optab as conversion optab.
6693 * genopinit.c (lrint_optab): Change to a conversion optab.
6694 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6695 expansion via conversion optab.
6696 * config/i386/i386.md (*fistdi2_1): Remove
6697 flag_unsafe_math_optimizations guard.
6698 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6699 fist<mode>2_with_temp): Likewise.
6700 (lrint<mode>2): Split into...
6701 (lrintxf<mode>2): ... x87 part
6702 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6703 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6704 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6705 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6706 * doc/md.texi (lrintMN2): Document.
6708 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6711 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6712 Use inc and dec instructions for TARGET_USE_INCDEC.
6713 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6714 ("sync_double_compare_and_swap<mode>"): Likewise.
6715 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6716 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6717 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6718 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6719 ("sync_old_add<mode>"): Likewise.
6720 ("sync_lock_test_and_set<mode>"): Likewise.
6721 ("sync_lock_test_and_set<mode>"): Likewise.
6722 ("sync_add<mode>"): Likewise.
6723 ("sync_sub<mode>"): Likewise.
6724 ("sync_ior<mode>"): Likewise.
6725 ("sync_and<mode>"): Likewise.
6726 ("sync_xor<mode>"): Likewise.
6728 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6730 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6731 (remainder_optab): Define corresponding macro.
6732 (drem_optab): Remove.
6733 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6734 drem_optab initialization.
6735 * genopinit.c (optabs): Implement remainder_optab using
6736 remainder?f3 patterns. Remove drem_optab.
6737 * builtins.c (expand_builtin_mathfn_2): Handle
6738 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6739 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6740 expand_builtin_mathfn_2.
6742 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6743 depend on flag_unsafe_math_optimizations.
6745 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6746 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6747 Do not depend on flag_unsafe_math_optimizations. Use
6748 truncxf?f expander instead of truncxf?f_i387_noop.
6750 ("fpremxf4", "fprem1xf4"): Do not depend on
6751 flag_unsafe_math_optimizations.
6752 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6753 flag_unsafe_math_optimizations. Use truncxf?f expander
6754 instead of truncxf?f_i387_noop.
6756 * doc/md.texi (fmod, remainder): Document standard named pattern.
6758 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6759 David Daney <ddaney@avtrex.com>
6762 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6764 2006-10-25 Ben Elliston <bje@au.ibm.com>
6766 * doc/extend.texi (Variable Attributes): Typo fix.
6768 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6770 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6771 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6772 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6773 (FRAME_POINTER_REGNUM): Update register number to 21.
6774 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6775 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6777 * config/i386/i386.c (regclass_map): Add fpcr entry.
6778 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6780 (print_reg): Assert REGNO (x) != FPCR_REG.
6782 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6783 (DIRFLAG_REG): Renumber.
6784 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6785 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6786 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6787 hardcoded SSE register numbers.
6789 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6790 hardcoded MMX register numbers.
6792 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6795 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6796 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6798 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6799 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6800 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6801 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6803 2006-10-24 Richard Guenther <rguenther@suse.de>
6806 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6807 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6808 for deciding optimizations in consistency with fold-const.c
6809 (fold_builtin_unordered_cmp): Likewise.
6811 2006-10-24 Richard Guenther <rguenther@suse.de>
6813 * builtins.c (fold_builtin_floor): Fold floor (x) where
6814 x is nonnegative to trunc (x).
6815 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6816 nonnegative to FIX_TRUNC_EXPR.
6818 2006-10-24 Richard Guenther <rguenther@suse.de>
6820 PR tree-optimization/29567
6821 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6822 for TRUTH_NOT_EXPR. Clarify comments.
6824 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6827 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6828 at compile-time using MPFR. Change parameter VALUE to FUNC,
6830 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6831 for overflow and underflow at all times and avoid folding in
6834 2006-10-24 Ben Elliston <bje@au.ibm.com>
6836 * reload1.c: Formatting fixes.
6838 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6840 PR tree-optimization/14784
6841 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6842 * tree-ssa-structalias.c (get_constraint_for,
6843 intra_create_variable_infos): Set is_heapvar.
6844 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6845 non-heapvar pointer variables specially.
6847 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6850 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6851 fold_builtin_tan): Fold all constant arguments. Take a "type"
6852 argument as necessary.
6853 (do_mpfr_arg1): New.
6854 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6856 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6858 * config/xtensa/lib1funcs.asm: Use C-style comments.
6860 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6862 * tree.c (local_define_builtin): Replace calls to
6863 lang_hooks.builtin_function with add_builtin_function.
6864 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6866 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6868 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6869 common code to add_builtin_function.
6870 * langhooks.c (add_builtin_function): New function.
6871 (lhd_builtin_function): New function.
6872 * langhooks.h (struct lang_hooks): Change the signature of
6874 (add_builtin_function): New function.
6875 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6876 calls to lang_hooks.builtin_function with add_builtin_function.
6877 * c-common.c (decl_builtin_1): Replace calls to
6878 lang_hooks.builtin_function with add_builtin_function.
6879 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6880 lang_hooks.builtin_function with add_builtin_function.
6881 * config/frv/frv.c (def_builtin): Replace calls to
6882 lang_hooks.builtin_function with add_builtin_function.
6883 * config/s390/s390.c (s390_init_builtins): Replace calls to
6884 lang_hooks.builtin_function with add_builtin_function.
6885 * config/sparc/sparc.c (def_builtin): Replace calls to
6886 lang_hooks.builtin_function with add_builtin_function.
6887 * config/i386/i386.c (def_builtin): Replace calls to
6888 lang_hooks.builtin_function with add_builtin_function.
6889 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6890 lang_hooks.builtin_function with add_builtin_function.
6891 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6892 lang_hooks.builtin_function with add_builtin_function.
6893 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6894 Replace calls to lang_hooks.builtin_function with
6895 add_builtin_function.
6896 * config/iq2000/iq2000.c (def_builtin):
6897 Replace calls to lang_hooks.builtin_function with
6898 add_builtin_function.
6899 * config/ia64/ia64.c (def_builtin): Replace calls to
6900 lang_hooks.builtin_function with add_builtin_function.
6901 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6902 lang_hooks.builtin_function with add_builtin_function.
6903 (altivec_init_builtins): Replace calls to
6904 lang_hooks.builtin_function with add_builtin_function.
6905 * config/arm/arm.c (def_mbuiltin): Replace calls to
6906 lang_hooks.builtin_function with add_builtin_function.
6907 (arm_init_tls_builtins): Replace calls to
6908 lang_hooks.builtin_function with add_builtin_function.
6909 * config/mips/mips.c (mips_init_builtins): Replace calls to
6910 lang_hooks.builtin_function with add_builtin_function.
6911 * config/bfin/bfin.c (def_builtin): Replace calls to
6912 lang_hooks.builtin_function with add_builtin_function.
6913 * langhooks-def.h (lhd_builtin_function): New function.
6914 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6916 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6918 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6919 BUILT_IN_STRNCAT_CHK.
6921 2006-10-23 Jan Hubicka <jh@suse.cz>
6923 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6924 don't do conversion from memmove to memcpy here.
6925 (expand_builtin_bcopy, expand_builtin): Update call of
6926 expand_builtin_memmove.
6927 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6929 2006-10-23 Paul Brook <paul@codesourcery.com>
6931 * stor-layout.c (start_record_layout): maximum_field_alignment
6932 overrides STRUCTURE_SIZE_BOUNDARY.
6934 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6936 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6937 nonlocal function symbols if flag_pic.
6939 2006-10-23 Richard Guenther <rguenther@suse.de>
6943 * builtins.c (fold_binary): Remove checks for flag_wrapv
6944 and flag_trapv where negate_expr_p covers these cases.
6946 2006-10-23 Richard Guenther <rguenther@suse.de>
6949 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6950 of two on the absolute value.
6951 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6952 and negating -C does not overflow.
6954 2006-10-23 Richard Guenther <rguenther@suse.de>
6957 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6958 only if not flag_rounding_math.
6960 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6961 Kaz Kojima <kkojima@gcc.gnu.org>
6964 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6965 SImode memory reference for the source of a movua.
6966 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6967 (movua): Use an unspec instead of sign_extract. Expect the source
6968 to have mode BLKmode.
6969 (extv, insv): Use a BLKmode rather than SImode memory reference
6970 for the source of a movua.
6972 2006-10-22 Jeff Law <law@redhat.com>
6973 Richard Guenther <rguenther@suse.de>
6975 PR tree-optimization/15911
6976 * tree-vrp.c (extract_code_and_val_from_cond): New function.
6977 (register_edge_assert_for_1): Likewise.
6978 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
6979 (find_conditional_asserts): Adjust for new function signature.
6980 (find_assert_locations): Likewise.
6982 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6984 * config/i386/tmmintrin.h: Remove the duplicated content.
6986 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
6988 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
6989 (x86_64-*-*): Likewise.
6991 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
6992 (override_options): Check SSSE3.
6993 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
6994 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
6995 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
6996 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
6997 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
6998 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
6999 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7000 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7001 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7002 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7003 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7004 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7005 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7006 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7007 IX86_BUILTIN_PABSD128.
7008 (bdesc_2arg): Add SSSE3.
7009 (bdesc_1arg): Likewise.
7010 (ix86_init_mmx_sse_builtins): Support SSSE3.
7011 (ix86_expand_builtin): Likewise.
7012 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7014 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7015 (UNSPEC_PSIGN): Likewise.
7016 (UNSPEC_PALIGNR): Likewise.
7017 Include mmx.md before sse.md.
7019 * config/i386/i386.opt: Add -mssse3.
7021 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7022 (ssse3_phaddwv4hi3): Likewise.
7023 (ssse3_phadddv4si3): Likewise.
7024 (ssse3_phadddv2si3): Likewise.
7025 (ssse3_phaddswv8hi3): Likewise.
7026 (ssse3_phaddswv4hi3): Likewise.
7027 (ssse3_phsubwv8hi3): Likewise.
7028 (ssse3_phsubwv4hi3): Likewise.
7029 (ssse3_phsubdv4si3): Likewise.
7030 (ssse3_phsubdv2si3): Likewise.
7031 (ssse3_phsubswv8hi3): Likewise.
7032 (ssse3_phsubswv4hi3): Likewise.
7033 (ssse3_pmaddubswv8hi3): Likewise.
7034 (ssse3_pmaddubswv4hi3): Likewise.
7035 (ssse3_pmulhrswv8hi3): Likewise.
7036 (ssse3_pmulhrswv4hi3): Likewise.
7037 (ssse3_pshufbv16qi3): Likewise.
7038 (ssse3_pshufbv8qi3): Likewise.
7039 (ssse3_psign<mode>3): Likewise.
7040 (ssse3_psign<mode>3): Likewise.
7041 (ssse3_palignrti): Likewise.
7042 (ssse3_palignrdi): Likewise.
7043 (abs<mode>2): Likewise.
7044 (abs<mode>2): Likewise.
7046 * config/i386/tmmintrin.h: New file.
7048 * doc/extend.texi: Document SSSE3 built-in functions.
7050 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7052 2006-10-22 Ira Rosen <irar@il.ibm.com>
7054 * tree-vect-transform.c (vectorizable_load): Use the type of the
7055 return value of the mask_for_load builtin to create realign_load
7058 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7060 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7063 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7065 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7066 (UNSPEC_LDDQU): This.
7067 * config/i386/sse.md (sse3_lddqu): Updated.
7069 2006-10-21 Richard Guenther <rguenther@suse.de>
7071 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7072 (expand_builtin): Use it to expand lrint instead of
7073 expand_builtin_mathfn.
7075 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7078 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7079 flag_unsafe_math_optimizations is set.
7081 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7084 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7085 patterns to use memory input operand in x87->mem->XMM
7086 reload sequences. Skip transformation for TARGET_K8.
7088 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7090 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7091 force operand1 to register if both operands are memory operands.
7092 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7093 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7094 if both operands are memory operands.
7095 (truncdfsf2): Do not force operand1 to register if both operands
7096 are memory operands.
7098 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7100 * Makefile.in (LIBS): Add $(GMPLIBS).
7101 * doc/install.texi: Update GMP and MPFR requirements.
7102 * doc/sourcebuild.texi (need_gmp): Delete.
7104 2006-10-21 Richard Guenther <rguenther@suse.de>
7106 PR tree-optimization/3511
7107 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7108 got new invariant arguments during PHI translation.
7110 2006-10-21 Richard Guenther <rguenther@suse.de>
7113 * fold-const.c (fold_comparison): Fold signed comparisons
7114 of the form X +- C1 CMP Y +- C2.
7116 2006-10-21 Richard Guenther <rguenther@suse.de>
7119 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7120 if flag_unsafe_math_optimizations is specified. We have
7121 flag_finite_math_only for that.
7122 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7123 or flag_unsafe_math_optimizations.
7125 2006-10-21 Richard Guenther <rguenther@suse.de>
7127 * builtins.c (fold_builtin_classify): Fix typo.
7129 2006-10-21 Richard Guenther <rguenther@suse.de>
7132 * simplify-rtx.c (simplify_const_relational_operation):
7133 Do not constant-fold ORDERED and UNORDERED for
7134 flag_unsafe_math_optimizations but only we do not need to
7135 honor NaNs for the given mode.
7137 2006-10-21 Richard Guenther <rguenther@suse.de>
7140 * config/i386/i386.c (classify_argument): Remove redundant
7141 walking of the BINFOs.
7142 (contains_128bit_aligned_vector_p): Likewise.
7144 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7146 * BASE-VER: Set to 4.3.0.
7148 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7150 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7151 (tree_decl_with_vis): Remove artificial_pta_var flag.
7152 * tree-flow.h (referenced_var_check_and_insert): Expose.
7153 (nonlocal_all): New prototype.
7154 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7155 (nonlocal_all): Make global.
7156 (nonlocal_lookup): Remove.
7157 (nonlocal_insert): Ditto.
7158 (create_nonlocal_var): Do not call nonlocal_insert.
7159 (get_nonlocal_id_for_type): Remove.
7160 (find_global_initializers): Mark new vars we find for renaming.
7161 (intra_create_variable_infos): Only create one nonlocal.
7162 (expand_nonlocal_solutions): Remove.
7163 (compute_points_to_sets): Don't call it.
7164 (ipa_pta_execute): Ditto.
7165 (init_alias_heapvars): Don't create nonlocal_for_type.
7166 (delete_alias_heapvars): Don't remove it.
7167 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7170 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7172 * doc/install.texi (Downloading GCC): Clarify mention of
7173 Fortran in the "full distribution" description.
7175 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7177 Fix PR tree-optimization/28778
7178 Fix PR tree-optimization/29156
7179 Fix PR tree-optimization/29415
7180 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7181 (tree_decl_with_vis): Add artificial_pta_var flag.
7182 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7183 pushed into callers.
7184 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7185 (nonlocal_all): Ditto.
7186 (struct variable_info): Add directly_dereferenced member.
7187 (var_escaped_vars): New variable.
7188 (escaped_vars_tree): Ditto.
7189 (escaped_vars_id): Ditto.
7190 (nonlocal_vars_id): Ditto.
7191 (new_var_info): Set directly_dereferenced.
7192 (graph_size): New variable
7193 (build_constraint_graph): Use graph_size.
7194 (solve_graph): Don't process constraints that cannot change the
7195 solution, don't try to propagate an empty solution to our
7197 (process_constraint): Set directly_dereferenced.
7198 (could_have_pointers): New function.
7199 (get_constraint_for_component_ref): Don't process STRING_CST.
7200 (nonlocal_lookup): New function.
7201 (nonlocal_insert): Ditto.
7202 (create_nonlocal_var): Ditto.
7203 (get_nonlocal_id_for_type): Ditto.
7204 (get_constraint_for): Allow results vector to be empty in the case
7205 of string constants.
7206 Handle results of calls properly.
7207 (update_alias_info): Update alias info stats on number and type of
7209 (find_func_aliases): Use could_have_pointers.
7210 (make_constraint_from_escaped): Renamed from
7211 make_constraint_to_anything, and changed to make constraints from
7213 (make_constraint_to_escaped): New function.
7214 (find_global_initializers): Ditto.
7215 (create_variable_info_for): Make constraint from escaped to any
7216 global variable, and from any global variable to the set of
7218 (intra_create_variable_infos): Deal with escaped instead of
7219 pointing to anything.
7220 (set_uids_in_ptset): Do type pruning on directly dereferenced
7222 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7223 (init_base_vars): Fix comment, and initialize escaped_vars.
7224 (need_to_solve): Removed.
7225 (find_escape_constraints): New function.
7226 (expand_nonlocal_solutions): Ditto.
7227 (compute_points_to_sets): Call find_escape_constraints and
7228 expand_nonlocal_solutions.
7229 (delete_points_to_sets): Don't fall off the end of the graph.
7230 (init_alias_heapvars): Initialize nonlocal_for_type and
7232 (delete_alias_heapvars): Free nonlocal_for_type and null out
7235 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7237 * fold-const.c (add_double): Rename to add_double_with_sign.
7238 Add 'unsigned_p' parameter and take it into account for the overflow.
7239 (mul_double): Rename to mul_double_with_sign.
7240 Add 'unsigned_p' parameter and take it into account for the overflow.
7241 (fold_div_compare): Call add_double_with_sign instead of add_double
7242 and mul_double_with_sign instead of mul_double, passing them the
7243 unsignedness of the type.
7244 * tree.h (add_double): Macroize.
7245 (add_double_with_sign): New prototype.
7246 (mul_double): Macroize.
7247 (mul_double_with_sign): New prototype.
7249 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7251 * config/score/crti.asm: New file.
7252 * config/score/crtn.asm: New file.
7253 * config/score/elf.h: New file.
7254 * config/score/mac.md: New file.
7255 * config/score/misc.md: New file.
7256 * config/score/mul-div.S: New file.
7257 * config/score/predicates.md: New file.
7258 * config/score/score7.md: New file.
7259 * config/score/score.c: New file.
7260 * config/score/score-conv.h: New file.
7261 * config/score/score.h: New file.
7262 * config/score/score.md: New file.
7263 * config/score/score-mdaux.c: New file.
7264 * config/score/score-mdaux.h: New file.
7265 * config/score/score-modes.def: New file.
7266 * config/score/score.opt: New file.
7267 * config/score/score-protos.h: New file.
7268 * config/score/score-version.h: New file.
7269 * config/score/t-score-elf: New file.
7270 * config.gcc: Add score*-*-* configurations(Update before).
7271 * doc/invoke.texi (Score Options): New section.
7272 * doc/md.texi (Score family): New section to document constraints.
7274 2006-10-19 Nick Clifton <nickc@redhat.com>
7276 * config/arm/arm.c: Fix spelling typo.
7278 2006-10-18 Tom Tromey <tromey@redhat.com>
7280 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7282 2006-10-18 Jan Hubicka <jh@suse.cz>
7285 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7288 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7290 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7291 TSI_SAME_STMT, since that's the desired entity.
7293 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7295 * config/s390/contraints.md: New file.
7296 * config/s390/s390-protos.h (s390_mem_constraint,
7297 s390_O_constraint_str, s390_N_constraint_str,
7298 s390_float_const_zero_p): Function prototypes added.
7299 * config/s390/s390.c (s390_extra_constraint_str,
7300 s390_const_double_ok_for_constraint_p,
7301 s390_const_ok_for_constraint_p): Functions removed.
7302 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7303 s390_float_const_zero_p): New functions.
7304 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7305 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7306 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7307 Macro definitions removed.
7308 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7309 s390_extra_constraint_str): Functions removed.
7311 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7312 Richard Sandiford <richard@codesourcery.com>
7315 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7316 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7318 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7320 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7321 (DWARF2_FRAME_REG_OUT): Likewise.
7322 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7323 (DWARF2_FRAME_REG_OUT): Likewise.
7325 2006-10-17 Paul Brook <paul@codesourcery.com>
7327 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7329 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7331 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7332 Standardize on "GNU Fortran" as the official name of the Fortran
7335 2006-10-16 Mike Stump <mrs@apple.com>
7337 * doc/invoke.texi (Darwin Options): Document -mkernel.
7338 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7340 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7341 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7342 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7343 (OS_MISSING_ALTIVEC): Add.
7344 * config/i386/i386.c (override_options): Add
7345 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7346 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7347 -mkernel, -static or -mdynamic-no-pic is given.
7348 (C_COMMON_OVERRIDE_OPTIONS): Add.
7349 * config/darwin.opt (fapple-kext): Add.
7351 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7352 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7354 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7355 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7356 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7357 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7358 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7359 (flag_mkernel): Add.
7360 (flag_apple_kext): Add.
7361 (TARGET_KEXTABI): Add.
7362 * config/darwin.c (darwin_handle_kext_attribute): Add.
7363 (DARWIN_VTABLE_P): Add.
7364 (darwin_binds_local_p): Add partial support for rebinding vtables
7366 (darwin_kextabi_p): Add.
7367 (darwin_override_options): Add.
7368 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7369 (darwin_kextabi_p): Add.
7370 (darwin_override_options): Add.
7371 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7372 __DYNAMIC__ and __STATIC__ here.
7374 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7376 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7377 Added mention of "make pdf" target, and Texinfo requirements for
7380 2006-10-16 DJ Delorie <dj@redhat.com>
7382 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7383 into the GOT in case we need a subreg of the address.
7385 2006-10-16 Richard Guenther <rguenther@suse.de>
7388 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7389 SSE builtin documentation. Document SSE2 builtins.
7391 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7393 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7394 symbol in the output file for non-shared links when -nostdlib or
7395 -nodefaultlibs isn't specified.
7397 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7398 posix thread support.
7400 2006-10-15 Jan Hubicka <jh@suse.cz>
7403 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7404 declared always_inline even when not inlining.
7406 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7407 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7408 Andrew Pinski <pinskia@gmail.com>
7411 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7413 2006-10-15 Jan Hubicka <jh@suse.cz>
7414 Richard Guenther <rguenther@suse.de>
7417 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7418 process_function_and_variable_attributes on all variables, including
7419 those discovered during cgraph construction phase.
7421 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7423 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7425 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7427 * config/i386/athlon.md (athlon_fist): Add fisttp.
7429 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7430 Ian Lance Taylor <ian@airs.com>
7433 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7434 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7437 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7439 * config/score/score.c, config/score/score.h: Fix comment
7442 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7445 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7448 2006-10-13 Eric Christopher <echristo@apple.com>
7450 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7452 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7455 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7456 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7457 alignment supported by 32-bit ELF.
7459 2006-10-13 Eric Christopher <echristo@apple.com>
7461 * config/darwin.c (darwin_emit_unwind_label): Strip
7462 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7464 2006-10-13 Richard Guenther <rguenther@suse.de>
7466 PR tree-optimization/29446
7467 * tree-vrp.c (fix_equivalence_set): Remove.
7468 (extract_range_from_assert): Do not call fix_equivalence_set.
7469 (debug_value_range): Print a newline.
7470 (compare_name_with_value): For equivalence sets with
7471 inconsistent value ranges conservatively bail out.
7472 (compare_names): Likewise.
7474 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7476 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7477 and MPFR for gfortran.
7479 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7481 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7482 alignment supported by 32-bit ELF.
7484 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7488 * c-typeck.c (digest_init): Always allow initializing vectors
7489 that have static storage duration with compound literals.
7490 * tree.c (build_type_attribute_qual_variant): New, based on
7491 build_type_attribute_variant.
7492 (build_type_attribute_variant): Rewrite using the former.
7493 (make_vector_type): Use build_type_attribute_qual_variant to build
7494 type variants. Use type_hash_canon on the others.
7496 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7497 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7499 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7501 2006-10-12 Jan Hubicka <jh@suse.cz>
7504 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7505 current_function_decl is set but current_function_scope is not.
7507 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7509 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7510 emit_insn to emit eh_return_internal instruction.
7511 (eh_return_internal): Explicitly set pc.
7513 2006-10-11 Richard Guenther <rguenther@suse.de>
7515 PR tree-optimization/28230
7516 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7517 to the correct place.
7519 2006-10-11 Richard Guenther <rguenther@suse.de>
7522 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7525 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7527 * configure.ac: Added pdf to "Make-hooks"
7528 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7529 targets and *.pdf file patterns in cleanup targets.
7530 * configure: Regenerated.
7532 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7534 * config/avr/predicates.md: New file.
7535 * config/avr/avr.md: Include it.
7536 (REG_SP): New constant.
7537 (peepholes): Use predicates.
7538 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7539 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7540 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7542 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7544 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7547 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7550 * builtins.c (var_decl_component_p): New function.
7551 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7552 single entry optimization to variables and components thereof.
7554 2006-10-10 Richard Guenther <rguenther@suse.de>
7556 PR rtl-optimization/29323
7557 * except.c (set_nothrow_function_flags): For functions
7558 that do not bind local bail out early.
7560 2006-10-10 Ben Elliston <bje@au.ibm.com>
7562 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7565 2006-10-09 Richard Henderson <rth@redhat.com>
7567 Revert emutls patch.
7569 2006-10-09 Richard Guenther <rguenther@suse.de>
7572 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7575 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7578 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7579 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7580 * configure: Regenerate.
7581 * config.in: Regenerate.
7583 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7585 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7587 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7589 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7590 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7591 Remove stray newline.
7593 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7595 * config/mips/mips.c (mips_classify_symbol): Do not return
7596 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7597 (mips_in_small_data_p): Tweak comments.
7599 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7601 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7603 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7605 * gimplify.c, sched-int.h: Fix comment typos.
7607 * sched-int.h: Fix comment typos.
7609 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7611 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7613 * sched-ebb.c (begin_schedule_ready): Use them.
7614 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7615 add_to_speculative_block, create_check_block_twin, speculate_insn,
7616 fix_jump_move, move_block_after_check): Ditto.
7617 * sched-rgn.c (new_ready): Ditto.
7619 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7621 PR rtl-optimization/29128
7622 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7623 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7624 allow interblock movement of speculation checks.
7626 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7629 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7630 casted to integer type.
7631 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7632 if they are significantly more expensive than [reg + index] ones.
7634 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7636 PR tree-optimization/29330
7637 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7638 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7639 on newly allocated ddrs.
7640 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7641 to VEC (loop_p, heap) pointer.
7642 (compute_data_dependences_for_loop): Adjust caller.
7643 (free_dependence_relations): Free DDR_LOOP_NEST.
7645 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7646 free DEPENDENCE_RELATIONS and DATAREFS.
7649 * builtins.c (expand_builtin_sync_operation,
7650 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7651 Use convert_to_mode to handle promoted arguments.
7653 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7655 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7657 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7659 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7661 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7663 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7664 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7665 Use <modeconstraint> instead of "r" as operand 1 constraint.
7667 2006-10-06 Olivier Hainque <hainque@adacore.com>
7669 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7670 Don't recurse on the pointed-to type.
7671 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7672 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7673 types with components of variable size.
7675 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7677 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7679 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7681 PR tree-optimization/29290
7682 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7686 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7687 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7690 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7691 the number of vector elements fill the rest with zeros.
7693 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7695 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7696 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7699 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7701 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7702 unnamed pattern into subsi3. Use correct constraints/predicates.
7703 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7704 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7706 2006-10-05 Ira Rosen <irar@il.ibm.com>
7708 * doc/loop.texi: Add data references analysis description.
7710 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7712 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7714 2006-10-04 Richard Henderson <rth@redhat.com>
7715 Jakub Jelinek <jakub@redhat.com>
7717 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7718 * builtin-types.def (BT_WORD): Make unsigned.
7719 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7720 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7721 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7722 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7723 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7724 * cgraph.c (decide_is_variable_needed): Look at force_output.
7725 Recurse for emulated tls.
7726 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7727 checks redundant with decide_is_variable_needed.
7728 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7729 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7731 * expr.c (emutls_var_address): New.
7732 (expand_expr_real_1): Expand emulated tls.
7733 (expand_expr_addr_expr_1): Likewise.
7734 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7735 * output.h (emutls_finish): Declare.
7736 * toplev.c (compile_file): Call it.
7737 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7738 address before wrapping in CONST.
7739 * varasm.c (emutls_htab, emutls_object_type): New.
7740 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7741 (get_emutls_object_name, get_emutls_object_type): New.
7742 (get_emutls_init_templ_addr, emutls_decl): New.
7743 (emutls_common_1, emutls_finish): New.
7744 (assemble_variable): When emulating tls, swap decls; generate
7745 constructor for the emutls objects.
7746 (do_assemble_alias): When emulating tls, swap decl and target name.
7747 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7749 * emutls.c: New file.
7750 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7751 tls_object for real tls.
7753 2006-10-04 Zack Weinberg <zackw@panix.com>
7755 Fix bug in constraint-check generator, reported by Rask Ingemann
7757 * genpreds.c (add_constraint): Don't remove anything from the
7759 (write_tm_constrs_h): Detect whether "op" argument is used, and
7760 mark it ARG_UNUSED if it isn't.
7761 (write_insn_const_int_ok_for_constraint): Skip the part of the
7762 expression that would test whether "op" (which is not available
7763 here) is a CONST_INT.
7765 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7768 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7770 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7772 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7773 current Leopard versions.
7774 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7776 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7778 * doc/install.texi: Fix typos.
7780 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7782 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7783 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7784 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7786 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7788 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7789 arg to be struct mach_header_64* instead.
7791 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7794 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7795 side effects after the outer expression's post side effects.
7797 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7799 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7800 comments to reflect actual behavior and relationship between
7801 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7803 * doc/c-tree.texi (Working with declarations): Fix documentation
7804 of FIELD_DECL likewise.
7806 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7809 * doc/extend.texi: Add used variable attribute description.
7811 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7814 * c.opt (Woverride-init): New.
7815 * c-opts.c (c_common_post_options): Default warn_override_init to
7817 * c-typeck.c (add_pending_init, output_init_element): Warn for
7818 overriding initializers without side effects.
7819 * doc/invoke.texi (-Woverride-init): Document.
7822 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7824 PR rtl-optimization/28096
7825 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7826 assignment has already been used as a destination earlier in the block.
7828 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7830 * builtins.c (expand_builtin_setjmp): Delete.
7831 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7832 <BUILT_IN_SETJMP_SETUP>: New case.
7833 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7834 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7835 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7836 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7837 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7838 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7839 (lower_function_body): Initialize it to false. If it is set to true
7840 at the end of the processing, emit the setjmp dispatcher.
7841 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7842 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7843 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7844 on the rhs of the assignment.
7845 (lower_builtin_setjmp): New function.
7846 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7847 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7848 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7849 to detect calls that can go to non-local labels. Use specific
7850 helper to create the abnormal edges associated with them.
7851 <MODIFY_EXPR>: Likewise.
7852 (make_abnormal_goto_edges): New function extracted from...
7853 (make_goto_expr_edges): ...here. Call it for computed gotos.
7854 (simple_goto_p): Minor tweak.
7855 (tree_can_make_abnormal_goto): New predicate.
7856 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7857 (tree_purge_dead_abnormal_call_edges): New function.
7858 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7859 (tree_purge_dead_abnormal_call_edges): Likewise.
7860 (make_abnormal_goto_edges): Likewise.
7861 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7862 Purge all dead abnormal edges if the call was in the last statement.
7863 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7864 (execute_fixup_cfg): If there are non-local labels in the function,
7865 scan the basic blocks and split them at calls that can go to non-local
7866 labels or add missing abnormal call edges. Write down the CFG in the
7868 (pass_fixup_cfg): Remove TODO_dump_func flag.
7869 * unwind-sjlj.c: Poison setjmp.
7870 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7871 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7872 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7873 (DONT_USE_BUILTIN_SETJMP): Document it.
7875 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7878 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7879 to 1 when __ppc64__ is defined.
7880 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7882 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7884 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7886 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7887 * config/ia64/unwind-hpux.c: Delete.
7889 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7891 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7892 on the element before gimplifying it, instead of punting if it is of
7895 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7897 * doc/loop.texi: New file.
7898 * doc/gccint.texi: Reference loop.texi.
7899 * Makefile.in (loop.texi): Add.
7901 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7903 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7905 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7906 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7908 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7910 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7912 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7914 * doc/install.texi: Document required versions of GMP and MPFR.
7916 2006-09-27 Paul Brook <paul@codesourcery.com>
7919 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7921 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7923 * reload1.c (alter_reg): Require the alignment of the stack slot to
7924 be at least reg_max_ref_width bytes.
7925 (scan_paradoxical_subregs): Record the largest width in
7928 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7932 * tree-nested.c (struct nesting_info): Added static_chain_added.
7933 (convert_call_expr): Set static_chain_added when adding static
7934 chain. Handle OMP_PARALLEL and OMP_SECTION.
7936 2006-09-25 Matthias Klose <doko@debian.org>
7938 * doc/invoke.texi: Add missing full stop.
7940 2006-09-25 Richard Henderson <rth@redhat.com>
7942 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7943 before cgraph_function_flags_ready.
7945 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7946 Adam Nemet <anemet@caviumnetworks.com>
7948 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7949 determine_common_wider_type): New functions.
7950 (get_computation_aff): Use them to simplify arithmetic between
7951 UBASE and CBASE if they are shortened from the same type.
7953 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7956 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7957 -2147483647 - 1 instead of 0x80000000.
7959 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7961 * flags.h (HONOR_NANS): Fix typo in comment.
7963 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7965 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7967 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7971 * tree.c (merge_attributes, attribute_list_contained): If both
7972 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7974 * c-typeck.c (comptypes_internal): Don't consider aggregates
7975 in different TUs as compatible if there one set of attributes is
7976 not a subset of the other type's attributes.
7977 (composite_type): Try harder not to create a new aggregate type.
7979 2006-09-22 Geoffrey Keating <geoffk@apple.com>
7981 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
7982 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
7983 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
7984 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
7985 than replicating condition above.
7986 * config.host (i[34567]86-*-*): Always use driver-i386.o.
7988 * config/darwin.h (LINK_SYSROOT_SPEC): New.
7989 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
7990 the linker by default.
7992 2006-09-22 Mike Stump <mrs@apple.com>
7994 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
7997 2006-09-22 Richard Guenther <rguenther@suse.de>
8000 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8001 sort of stack variables stable.
8003 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8006 * explow.c (force_reg): Set REG_POINTER flag according to
8009 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8011 PR tree-optimization/28888
8012 * tree-if-conv.c (combine_blocks): Rewritten.
8013 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8014 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8016 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8018 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8021 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8023 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8025 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8027 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8029 2006-09-21 Roger Sayle <roger@eyesopen.com>
8032 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8033 dw_fde_current_label, to be the start of the function, i.e. the same
8034 value as dw_fde_begin.
8036 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8038 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8039 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8040 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8041 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8042 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8043 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8044 (abs<mode>2, neg<mode>2): Likewise.
8045 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8046 (*mips_abs_ps): New define_insn.
8048 2006-09-20 Josh Conner <jconner@apple.com>
8051 * calls.c (expand_call): Allow reuse of structure return stack
8054 2006-09-20 Paul Brook <paul@codesourcery.com>
8056 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8059 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8061 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8062 clean up terminology.
8064 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8067 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8068 with tablejumps in them.
8070 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8073 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8074 wrap it into TARGET_EXPR.
8076 2006-09-20 Eric Christopher <echristo@apple.com>
8078 * config/i386/i386.c (x86_fisttp): Remove.
8079 * config/i386/i386.h (x86_fisttp): Ditto.
8080 (TARGET_FISTTP): Ditto.
8082 2006-09-19 Eric Christopher <echristo@apple.com>
8084 * doc/tm.texi (OBJC_JBLEN): Describe.
8085 * config/i386/darwin.h (OBJC_JBLEN): Define.
8086 * config/rs6000/darwin.h: Ditto.
8088 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8090 PR rtl-optimization/21299
8091 * reload1.c (reload): Purge invalid ASMs in the final pass.
8093 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8096 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8097 pointers as legitimate constants.
8099 2006-09-19 Paul Brook <paul@codesourcery.com>
8102 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8104 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8106 PR tree-optimization/28887
8107 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8108 component parts from the reference.
8109 (gather_memory_references_ref): Record the reference without the
8110 nonaddressable component parts.
8112 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8115 * c-opts.c (c_common_handle_option): Ignore the -std options
8116 if the input language is assembly.
8118 2006-09-17 Ira Rosen <irar@il.ibm.com>
8121 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8123 (ptr_ptr_may_alias_p): Likewise.
8124 (record_record_differ_p): New function.
8125 (base_object_differ_p): Call record_record_differ_p.
8127 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8130 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8131 away for the expr argument.
8133 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8136 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8137 before using it for dumping after vectorizing loops.
8139 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8140 Jack Howarth <howarth@bromo.med.uc.edu>
8143 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8144 skip on error_mark_node.
8145 (rs6000_darwin64_record_arg_recurse): Likewise.
8147 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8149 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8150 * doc/rtl.texi: Remove related documentation.
8152 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8154 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8157 2006-09-15 Jim Wilson <wilson@specifix.com>
8159 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8160 Handle symbol offsets same as they are handled in ia64_expand_move
8163 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8165 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8166 Add forgotten parameter to the fprintf call.
8168 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8170 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8172 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8174 * doc/contrib.texi: Add my entry.
8176 2006-09-15 Nick Clifton <nickc@redhat.com>
8178 * doc/md.texi (Processor pipeline description): Fix typo in
8179 example of how to use the absence_set directive and reword the
8180 description to make it slightly easier to read.
8182 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8184 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8185 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8186 expanding the number of iterations.
8187 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8189 * cfgrtl.c (emit_insn_at_entry): New function.
8190 * rtl.h (emit_insn_at_entry): Declare it.
8191 * integrate.c (emit_initial_value_sets): Use it.
8193 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8195 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8197 (struct loop_work and related VEC declarations): Delete.
8198 (bfin_dump_loops): Print out new member bad.
8199 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8200 (bfin_scan_loop): Don't recurse.
8201 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8202 loops. No longer need to update outer loops if the current one is
8203 found bad. Move some validitiy checks to bfin_discover_loop.
8204 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8205 but changed not to check for nesting. Also changed to use the new bad
8207 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8208 time. Use bitmap based test to discover loop nesting.
8210 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8212 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8215 2006-09-14 Richard Guenther <rguenther@suse.de>
8216 Kazu Hirata <kazu@codesourcery.com>
8218 PR middle-end/28884.
8219 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8220 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8221 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8222 with TARGET_FUNCTION_VALUE.
8224 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8227 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8229 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8231 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8234 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8237 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8240 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8242 * basic_block.h (bb_has_eh_pred): Fix comment.
8244 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8246 * flow.c (calculate_global_regs_live): Invalidate eh registers
8247 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8248 (propagate_block): Handle eh registers as if they were set at basic
8250 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8252 * global.c (global_conflicts): Make eh registers to conflict with
8253 pseudos live at basic block begin.
8254 * basic_block.h (bb_has_eh_pred): New function.
8256 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8258 PR rtl-optimization/28982
8259 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8260 index of a PRE_MODIFY or POST_MODIFY address.
8261 * reload1.c (inc_for_reload): Use find_replacement on the original
8262 base and index registers.
8264 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8266 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8267 for -Os. Update __m128 alignment requirement.
8269 2006-09-13 Jan Hubicka <jh@suse.cz>
8271 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8273 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8275 PR rtl-optimization/28243
8276 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8277 the insn to which the note was originally attached.
8279 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8280 Roger Sayle <roger@eyesopen.com>
8282 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8283 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8284 on platforms that don't use dwarf for debug info.
8286 2006-09-12 Jason Merrill <jason@redhat.com>
8289 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8290 hard_frame_pointer_rtx after using it to update the frame pointer.
8292 2006-09-12 Roger Sayle <roger@eyesopen.com>
8294 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8295 (TARGET_ASM_CLOSE_PAREN): Likewise.
8296 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8297 (TARGET_ASM_CLOSE_PAREN): Likewise.
8299 2006-09-12 Roger Sayle <roger@eyesopen.com>
8302 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8303 frame information for frames larger than 512 Kbytes on Tru64 when
8304 using the native assembler.
8306 2006-09-12 Roger Sayle <roger@eyesopen.com>
8310 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8311 and symbols. Instead use the implementation from cse.c's hash_rtx.
8313 2006-09-12 Jan Hubicka <jh@suse.cz>
8315 PR rtl-optimization/28071
8316 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8317 (vect_transform_loop): Likewise.
8318 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8319 (new_loop_vec_info): Likewise.
8320 (destroy_loop_vec_info): Likewise.
8321 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8322 (create_stmt_ann): Likewise.
8323 (create_tree_ann): Rename to ...
8324 (create_tree_common_ann): ... this one; allocate only the common part
8326 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8327 (get_value_handle): Likewise.
8328 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8329 get_tree_common_ann.
8330 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8331 (vinfo_for_stmt): Use stmt annotations.
8332 * tree-flow.h (tree_ann_common_t): New type.
8333 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8334 (tree_ann, get_tree_ann, create_tree_ann): New.
8335 * tree-flow-inline.h (get_function_ann): Do more type checking.
8336 (stmt_ann): Likewise.
8337 (tree_ann): Rename to ...
8338 (tree_common_ann): ... this one; return ony common_ann
8339 (get_tree_ann): Rename to ...
8340 (tree_common_ann): This one; return only common_ann.
8341 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8344 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8346 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8347 with_cpu by default.
8349 * dwarf2out.c (dwarf_file_data): New.
8350 (enum dw_val_class): Add dw_val_class_file.
8351 (struct dw_val_struct): Add val_file.
8352 (file_table): Change to a hash table.
8353 (file_table_emitted): Delete.
8354 (file_table_last_lookup_index): Delete.
8355 (emitcount): Delete.
8356 (last_emitted_file): New.
8357 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8358 (init_file_table): Delete.
8359 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8360 (AT_addr): Add comment.
8364 (print_die): Handle dw_val_class_file.
8365 (print_dwarf_line_table): Update for new file table structure.
8366 (attr_checksum): Do checksum a filename.
8367 (same_dw_val_p, same_attr_p): Do compare a filename.
8368 (size_of_die): Handle dw_val_class_file.
8369 (value_format): Likewise.
8370 (output_die): Likewise. Also, call maybe_emit_file here.
8371 (struct file_info): Constify filenames. Make file_idx a pointer
8372 to a struct dwarf_file_data.
8373 (struct dir_info): Constify directory names. Remove 'used' field.
8374 (struct file_name_acquire_data): New.
8375 (file_name_acquire): New.
8376 (output_file_names): Modify to handle new file data structures.
8377 (add_src_coords_attributes): Use add_AT_file.
8378 (add_call_src_coords_attributes): Likewise.
8379 (dwarf2out_imported_module_or_decl): Likewise.
8380 (gen_subprogram_die): Modify for new file data structures.
8381 (gen_variable_die): Likewise.
8382 (file_table_eq): New.
8383 (file_table_hash): New.
8384 (file_table_last_lookup): New.
8385 (lookup_filename): Rewrite to handle new file data structures.
8386 (maybe_emit_file): Rewrite to handle new file data structures.
8387 (dwarf2out_source_line): Always call lookup_filename and
8389 (dwarf2out_init): Create file_table here.
8390 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8391 (file_table_relative_p): New.
8392 (dwarf2out_finish): Change detection of relative filenames
8393 to work with new file data structures. Move output_line_info call
8394 after debug_info output.
8396 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8401 * config/i386/i386.c (override_options): Always default to 16
8402 byte stack boundary.
8404 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8407 * var-tracking.c (dump_dataflow_set): Start dumping at
8409 (clobber_variable_part): Kill only the variable part in
8410 registers holding it, leaving other variables alone.
8412 2006-09-11 Josh Triplett <josh@freedesktop.org>
8414 * doc/extend.texi (Other Builtins): Actually use the macro
8415 argument in the documentation example for
8416 __builtin_types_compatible_p.
8418 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8420 PR rtl-optimization/28726
8421 * sched-deps.c (sched_analyze_reg): New function extracted from...
8422 (sched_analyze_1): ...here. Call it to analyze references to
8423 registers. Treat again writes to a stack register as writing to the
8425 (sched_analyze_2): ...and here. Call it to analyze references to
8426 registers. Treat again reads of a stack register as reading the
8429 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8430 David Edelsohn <edelsohn@gnu.org>
8433 * config/rs6000/spe.md (frob_df_di): Remove %H.
8434 (frob_di_df): Remove %H. Change evmergelo to mr.
8435 (frob_di_df_2): Remove %H. Change evldd to two loads.
8437 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8439 * doc/cpp.texi: Fix names of charset options.
8441 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8444 * config/i386/i386.c (override_options): Use 128-bit
8445 stack boundary always for 64bits.
8447 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8449 PR rtl-optimization/28636
8450 * combine.c (force_to_mode): Test for side-effects before
8451 substituting by zero.
8452 (simplify_shift_const): Likewise for zero or other constants.
8454 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8457 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8460 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8463 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8464 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8465 returned by mode_for_size, rather than the mode of src itself,
8466 to choose between 32-bit and 64-bit patterns.
8467 (mips_mem_fits_mode_p): New function.
8468 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8469 that the size of the source matches the size of the destination.
8470 (mov_<store>l, mov_<store>r): Likewise.
8472 2006-09-10 Eric Christopher <echristo@apple.com>
8474 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8477 2006-09-09 Eric Christopher <echristo@apple.com>
8480 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8483 2006-09-09 Roger Sayle <roger@eyesopen.com>
8484 Nicolas Setton <setton@adacore.com>
8486 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8488 2006-09-10 Andreas Schwab <schwab@suse.de>
8490 * config/m68k/m68k.md (bungt_rev): New pattern.
8492 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8493 Dale Johannesen <dalej@apple.com>
8496 * regclass.c (struct reg_pref): Update documentation.
8497 (regclass): Set prefclass to NO_REGS if memory is the best option.
8498 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8500 2006-09-08 Eric Christopher <echristo@apple.com>
8502 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8503 * config/t-slibgcc-darwin: Support x86_64 multilib.
8504 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8505 Return 1 for x86_64-darwin.
8506 * config/i386/t-darwin: Add m64 multilib.
8507 (LIB2_SIDITI_CONV_FUNCS): Use.
8508 (LIB2FUNCS_EXTRA): Ditto.
8509 * config/i386/darwin.h: Support x86_64.
8510 * config/i386/i386.c (override_options): Turn on flag_pic
8511 for x86_64-darwin. Disable flag_omit_pointer.
8512 (get_pc_thunk_name): Assert !TARGET_64BIT.
8513 (legitimate_address_p): Disable machopic addressing for
8515 (legitimize_pic_address): Ditto.
8516 (ix86_expand_move): Ditto.
8517 (ix86_expand_call): Ditto.
8518 (machopic_output_stub): Ditto.
8519 * config/darwin.c (machopic_select_section): Support literal16.
8520 (machopic_select_rtx_section): Ditto.
8521 * config/darwin-sections.def: Ditto.
8522 * config/darwin-64.c: New.
8524 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8527 * c-tree.h (struct c_arg_info): Add pending_sizes.
8528 * c-parser.c (c_parser_parms_declarator,
8529 c_parser_parms_list_declarator): Initialize pending_sizes.
8530 * c-decl.c (get_parm_info): Initialize pending_sizes.
8531 (get_parm_info): Set pending_sizes.
8532 (grokdeclarator): Call put_pending_sizes for parameters for
8533 function definition only.
8535 2006-09-07 Jason Merrill <jason@redhat.com>
8538 * varasm.c (output_constant): Only strip actual no-op conversions.
8541 * config/i386/i386.c (override_options): Use 128-bit
8542 stack boundary if -msse.
8544 2006-09-07 Eric Christopher <echristo@apple.com>
8546 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8548 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8551 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8553 * dwarf2out.c: Remove strange characters from comment above
8554 dwarf2out_frame_debug_expr.
8556 2006-09-07 Eric Christopher <echristo@apple.com>
8558 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8559 * config/darwin.h: ... to here.
8561 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8563 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8565 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8566 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8568 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8569 TARGET_PARTIAL_FLAG_REG_STALL.
8570 (*ashldi3_cconly_rex64): Likewise.
8571 (*ashlsi3_cmp): Likewise.
8572 (*ashlsi3_cconly): Likewise.
8573 (*ashlsi3_cmp_zext): Likewise.
8574 (*ashlhi3_cmp): Likewise.
8575 (*ashlhi3_cconly): Likewise.
8576 (*ashlqi3_cmp): Likewise.
8577 (*ashlqi3_cconly): Likewise.
8578 (*ashrdi3_cmp_rex64): Likewise.
8579 (*ashrdi3_cconly_rex64): Likewise.
8580 (*ashrsi3_cmp): Likewise.
8581 (*ashrsi3_cconly): Likewise.
8582 (*ashrsi3_cmp_zext): Likewise.
8583 (*ashrhi3_cmp): Likewise.
8584 (*ashrhi3_cconly): Likewise.
8585 (*ashrqi3_cmp): Likewise.
8586 (*ashrqi3_cconly): Likewise.
8587 (*lshrdi3_cmp_rex64): Likewise.
8588 (*lshrdi3_cconly_rex64): Likewise.
8589 (*lshrsi3_cmp): Likewise.
8590 (*lshrsi3_cconly): Likewise.
8591 (*lshrsi3_cmp_zext): Likewise.
8592 (*lshrhi3_cmp): Likewise.
8593 (*lshrhi3_cconly): Likewise.
8594 (*lshrqi2_cmp): Likewise.
8595 (*lshrqi2_cconly): Likewise.
8597 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8600 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8601 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8602 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8603 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8604 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8605 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8606 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8607 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8608 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8609 implement only CC setting effects of shift instructions.
8611 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8613 * doc/contrib.texi: Add myself.
8615 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8618 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8619 was set by the user.
8621 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8624 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8625 (divsi_inv_m1): Use them.
8626 (UNSPEC_DIV_INV_TABLE): New constant.
8628 2006-09-06 James E Wilson <wilson@specifix.com>
8631 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8632 then call count_or_remove_death_notes.
8634 2006-09-06 Jason Merrill <jason@redhat.com>
8637 * tree-inline.c (copy_result_decl_to_var): New fn.
8638 (declare_return_variable): Use it. Call declare_inline_vars here.
8639 (expand_call_inline): Not here.
8641 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8643 * doc/contrib.texi: Update my entry.
8645 2006-09-06 Nick Clifton <nickc@redhat.com>
8647 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8649 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8652 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8653 (canonicalize_induction_variables): Likewise.
8654 (tree_unroll_loops_completely): Likewise.
8655 (tree_ssa_prefetch_arrays): Likewise.
8656 (remove_empty_loops): Likewise.
8657 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8658 TODO_cleanup_cfg instead of directly calling
8659 cleanup_tree_cfg_loop.
8660 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8662 (tree_unroll_loops_completely): Likewise.
8663 (remove_empty_loops): Likewise.
8664 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8665 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8666 of tree_ssa_unswitch_loops.
8667 (tree_ssa_loop_ivcanon): Use the return value of
8668 canonicalize_induction_variables.
8669 (tree_ssa_empty_loop): Use the return value of
8671 (tree_complete_unroll): Use the return value of
8672 tree_unroll_loops_completely.
8673 (tree_ssa_loop_prefetch): Use the return value of
8674 tree_ssa_prefetch_arrays.
8675 * passes.c (execute_todo): Before Cleanup CFG, set
8676 updating_used_alone and after cleanup CFG, call
8677 recalculate_used_alone.
8679 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8682 * tree-vect-transform.c (vectorizable_condition): Move the check
8683 for the type after the check for simple condition.
8685 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8686 Kaz Kojima <kkojima@gcc.gnu.org>
8689 * mode-switching.c (optimize_mode_switching): Make the destination
8690 block of an abnormal edge have no anticipatable mode. Don't
8691 insert mode switching code at the end of the source block of
8694 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8696 PR rtl-optimization/26847
8697 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8698 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8699 (simplify_plus_minus): Count n_constants while filling ops. Replace
8700 qsort with insertion sort. Before going through the array to simplify
8701 pairs, sort it. Delay early exit until after the first sort, exiting
8702 only if no swaps occurred. Simplify pairs in reversed order, without
8703 special-casing the first iteration. Pack ops after simplifying pairs.
8705 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8707 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8708 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8709 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8710 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8712 2006-09-05 Richard Guenther <rguenther@suse.de>
8714 PR tree-optimization/28900
8715 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8716 compound conditional before creating COND_EXPR condition.
8718 2006-09-05 Richard Guenther <rguenther@suse.de>
8720 PR tree-optimization/28905
8721 * tree-vrp.c (fix_equivalence_set): Manually implement
8722 !value_ranges_intersect_p to also handle symbolic ranges.
8724 2006-09-05 Richard Guenther <rguenther@suse.de>
8727 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8730 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8732 PR rtl-optimization/27616
8733 * cse.c (table_size): New static variable.
8734 (new_basic_block): Initialize it to 0.
8735 (remove_from_table): Decrement it.
8736 (insert): Increment it.
8737 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8738 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8739 fold_rtx_mem_1 if under the cap.
8740 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8741 the lookup of the equivalent expression and test for equality of the
8742 first operand of the equivalent expression before in turn looking up
8743 an equivalent constant for the second operand.
8745 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8748 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8749 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8750 pointer, instead of assuming it is possible to derive the
8751 correct args size from a call insn.
8753 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8756 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8757 (fold_builtin_mempcpy): Rename to...
8758 (fold_builtin_memory_op): ... this. Optimize one element copy
8760 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8762 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8763 (expand_builtin_memcpy, expand_builtin_mempcpy,
8764 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8765 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8766 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8767 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8769 2006-09-01 DJ Delorie <dj@redhat.com>
8771 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8772 (stzx_16): Likewise.
8773 ("stzx_24_<mode>"): Likewise.
8774 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8775 ("cmp<mode>_op"): New.
8776 (cmp<mode>): Change to expander; just save operands.
8778 (b<code>): Change to expander, emit compare here.
8779 (s<code>_op): Change to use split and expander.
8780 (s<code>_24_op): Likewise.
8781 (s<code>_<mode>): New.
8782 (s<code>_<mode>_24): New.
8783 (movqicc_<code>_<mode): New.
8784 (movhicc_<code>_<mode>): New.
8787 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8788 (m32c_pend_compare): New.
8789 (m32c_unpend_compare): New.
8790 (m32c_expand_scc): New.
8791 (m32c_expand_movcc): Emit the compare also.
8792 * config/m32c/predicates.md (mra_nopp_operand): New.
8794 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8795 Richard Guenther <rguenther@suse.de>
8796 Adam Nemet <anemet@caviumnetworks.com>
8799 * builtins.c (get_pointer_alignment): Handle more forms
8800 of base addresses that can be used to derive more precise
8801 information about alignment.
8803 2006-09-01 Jason Merrill <jason@redhat.com>
8806 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8809 * gimplify.c (voidify_wrapper_expr): Handle null type.
8811 2006-09-01 Josh Conner <jconner@apple.com>
8814 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8815 (execute_return_slot_opt): Use it.
8817 2006-08-31 Josh Conner <jconner@apple.com>
8820 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8821 returning aggregates.
8823 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8825 PR tree-optimization/28839
8826 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8827 blocks in that phi arguments appear.
8829 2006-08-31 Roger Sayle <roger@eyesopen.com>
8832 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8833 NULL, otherwise use an advance_loc4 to adjust relative to the
8835 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8836 (dwarf2out_switch_text_section): Reset the current label to avoid
8837 using advance_loc4 over section boundaries.
8839 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8842 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8843 r12 + SYMBOLIC_CONST.
8845 2006-08-30 Richard Guenther <rguenther@suse.de>
8847 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8849 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8851 PR rtl-optimization/27735
8852 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8853 Add new argument to keep track of whether an irreducible region
8854 was affected. All callers changed.
8855 (fix_irreducible_loops): Removed.
8856 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8857 flags were invalidated.
8859 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8861 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8862 instead of SF operands.
8863 (*fop_df_comm_sse): Likewise.
8864 (*fop_df_comm_i387): Likewise.
8865 (*fop_df_1_mixed): Likewise.
8866 (*fop_df_1_sse): Likewise.
8868 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8869 J"orn Rennecke <joern.rennecke@st.com>
8871 PR tree-optimization/17506
8872 * tree-ssa.c (warn_uninit): If warning about a location outside of
8873 the current function, note where the variable was declared.
8875 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8877 PR tree-optimization/28411
8878 * double-int.c (double_int_div): Use double_int_divmod.
8879 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8880 double_int_mod, double_int_smod, double_int_umod): New functions.
8881 * double-int.h (double_int_divmod, double_int_sdivmod,
8882 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8884 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8886 (get_computation_aff, get_computation_cost_at): Handle double_int
8887 return type of constant_multiple_of.
8889 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8892 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8893 an implicit conversion.
8895 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8897 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8899 2006-08-27 Roger Sayle <roger@eyesopen.com>
8901 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8904 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8906 * config/i386/crtfastmath.c: Fix a comment typo.
8908 2006-08-26 Roger Sayle <roger@eyesopen.com>
8910 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8911 temporary visit flags on CASE_LABEL_EXPRs.
8912 * c-common.c (match_case_to_enum): Add function comment. Avoid
8913 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8914 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8915 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8916 a constant, only warn if that constant value isn't handled.
8918 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8921 * input.h (restore_input_file_stack): Declare.
8922 (INPUT_FILE_STACK_BITS): Define.
8923 * toplev.c (fs_p, input_file_stack_history,
8924 input_file_stack_restored, restore_input_file_stack): New.
8925 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8926 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8927 (pop_srcloc): Don't free old state of stack.
8929 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8932 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8933 (PowerPC Type Attributes): New.
8935 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8937 * config/xtensa/xtensa.c (function_arg_boundary): New.
8938 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8940 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8941 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8943 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8946 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8949 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8951 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8952 (verify_local_live_at_start): Likewise.
8954 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8957 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8958 omp_add_variable): Treat sizes as variable whenever not
8961 2006-08-26 Richard Guenther <rguenther@suse.de>
8964 * fold-const.c (fold_binary): Fold temporary to correct
8965 type before constructing new comparison.
8967 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8970 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8971 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8973 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8976 * c-decl.c (start_function): Don't try to process prototype
8977 information from old declaration that isn't a function.
8979 2006-08-25 Jan Hubicka <jh@suse.cz>
8982 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
8984 2006-08-25 Alan Modra <amodra@bigpond.net.au>
8987 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
8990 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
8992 PR tree-optimization/16876
8993 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
8994 exit if PARM doesn't match VALUE.
8996 2006-08-25 Bob Wilson <bob.wilson@acm.org>
8998 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
8999 literal_prefix directive.
9000 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9001 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9002 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9004 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9007 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9008 predicate to general_operand. Add 0->y and I->r alternatives.
9010 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9012 * doc/tm.texi: Fix a typo.
9013 * predict.c: Fix comment typos.
9015 2006-08-25 Nick Clifton <nickc@redhat.com>
9017 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9018 assertions of "cpu" and "machine".
9020 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9023 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9024 the access through a base which has an alias set of 0 cannot
9027 2006-08-24 Bill Wendling <wendling@apple.com>
9029 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9031 2006-08-24 Jan Hubicka <jh@suse.cz>
9033 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9035 2006-08-24 Jan Hubicka <jh@suse.cz>
9038 * cgraph.c: Fix comments.
9039 (cgraph_varpool_mark_needed_node): Mark only variables not already
9041 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9042 (cgraph_varpool_assembled_nodes_queue): New static variable.
9043 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9044 (cgraph_varpool_output_debug_info): New function.
9045 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9046 * Makefile.in: Add gt-cgraphunit.h
9048 2006-08-24 Jan Hubicka <jh@suse.cz>
9050 * predict.c (probability_reliable_p): New predicate.
9051 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9052 (predict_loops): Do not predict loop exit with less than 2%
9054 * basic-block.h (edge_probability_reliable_p,
9055 br_prob_note_reliable_p): Declare.
9056 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9057 prediction when static predictor is not reliable.
9058 * rs6000.c (output_cbranch): Likewise.
9060 2006-08-23 Stuart Hastings <stuart@apple.com>
9063 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9064 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9066 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9069 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9070 complex values, nor for generic vector values.
9072 2006-08-22 Richard Guenther <rguenther@suse.de>
9075 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9076 parameter. Convert arguments to arithmetic expression to the
9078 (analyze_scalar_evolution_1): Adjust caller.
9080 2006-08-22 Jan Hubicka <jh@suse.cz>
9082 Patch by Paolo Bonzini
9083 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9086 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9088 PR tree-optimization/28003
9089 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9090 before grouping aliases.
9092 2006-08-22 Roger Sayle <roger@eyesopen.com>
9094 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9095 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9097 2006-08-21 Jason Merrill <jason@redhat.com>
9100 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9101 wrapper. Loop to handle nested wrappers.
9102 (gimplify_bind_expr): Remove temp parameter.
9103 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9104 and STATEMENT_LIST on the rhs.
9105 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9106 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9107 (gimplify_target_expr): Remove special BIND_EXPR handling.
9109 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9111 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9114 2006-08-21 Olivier Hainque <hainque@adacore.com>
9116 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9117 Arrange for the temporary captures of components overlapping the lhs
9118 to happen before the lhs is possibly cleared.
9120 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9122 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9123 necessary places to pass the correct "number of registers" values
9126 2006-08-20 Jan Hubicka <jh@suse.cz>
9128 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9129 (create_name_tags): Instead of quadratic checking use hashtable.
9130 * bitmap.h: Include hashtab.h.
9131 (bitmap_hash): Declare.
9132 * bitmap.c (bitmap_hash): New function.
9134 2006-08-20 Jan Hubicka <jh@suse.cz>
9136 PR rtl-optimization/28071
9137 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9139 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9140 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9141 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9142 cgraph_decide_inlining_incrementally): Update use of
9143 cgraph_check_inline_limits.
9144 * cgraph.c (edge_hash, edge_eq): New function.
9145 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9146 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9147 cgraph_remove_node): Maintain call site hash.
9148 * cgraph.h (struct cgraph_node): Add call_site_hash.
9149 (cgraph_set_call_stmt): New function.
9151 2006-08-20 Jan Hubicka <jh@suse.cz>
9153 PR rtl-optimization/28071
9154 * reload1.c (reg_has_output_reload): Turn into regset.
9155 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9156 choose_reload_regs, emit_reload_insns): Update to new
9157 reg_has_output_reload.
9159 2006-08-20 Jan Hubicka <jh@suse.cz>
9162 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9163 function body sizes.
9164 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9166 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9169 * tree.c (handle_dll_attribute): Return early if not a
9170 var or function decl.
9172 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9175 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9176 alignment of SPE vector types.
9178 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9180 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9182 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9185 * cgraph.h (struct cgraph_node): Remove externally_visible
9187 * cgraphunit.c (process_function_and_variable_attributes): Set
9188 local.externally_visible rather than externally_visible.
9191 * c-common.c (handle_externally_visible_attribute): First look
9192 at TREE_CODE and only if it is function or var decl, check for
9193 non-public objects. Don't warn for DECL_EXTERNAL.
9194 * cgraphunit.c (process_function_and_variable_attributes): Warn
9195 if externally_visible attribute is used on non-public object.
9197 2006-08-17 Jan Hubicka <jh@suse.cz>
9199 PR tree-optimization/27865
9200 * reload1.c (forget_marked_reloads): New function.
9201 (forget_old_reloads_1): When data are passed, just mark the registers
9203 (reload_as_needed): Use the new mechanizm.
9205 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9208 * reload.h (reg_equiv_alt_mem_list): New declaration.
9209 * reload1.c (reg_equiv_alt_mem_list): New definition.
9210 (reload): Initialize it and release it.
9211 (delete_output_reload): Use it.
9212 * reload.c (push_reg_equiv_alt_mem): New function.
9213 (find_reloads_toplev): Call it.
9214 (find_reloads_address, find_reloads_address_1): Likewise.
9215 (find_reloads_subreg_address): Likewise.
9217 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9219 PR rtl-optimization/28489
9220 * sched-ebb.c (begin_schedule_ready): Create basic block
9222 (advance_target_bb): Skip empty blocks.
9223 * haifa-sched.c (bb_note): Make global.
9224 * sched-int.h (bb_note): Add prototype.
9226 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9228 PR tree-optimization/27865
9229 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9231 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9232 fold_used_pointer, pointer_used_p): New functions.
9233 (analyze_scalar_evolution_1): Use fold_used_pointer.
9234 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9235 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9238 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9241 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9242 or the INTEGER_CST. Fail on a CALL_EXPR.
9243 (fold_offsetof): Pass new argument to fold_offsetof_1.
9244 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9245 operand into an INDIRECT_REF.
9246 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9248 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9250 PR gcov/profile/26570
9251 * value-prof.c (static_values): Removed.
9252 (tree_find_values_to_profile): Do not set static_values.
9253 (find_values_to_profile): Do not free static_values.
9254 * profile.c (instrument_values): Do not free the values.
9255 (branch_prob): Free the values.
9257 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9259 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9261 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9264 * c-typeck.c (build_component_ref): Combine qualifiers of
9265 structure or union and field.
9267 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9269 PR rtl-optimization/28071
9270 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9271 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9272 * tree-into-ssa.c (struct dom_dfsnum): New.
9273 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9275 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9276 compute_global_livein.
9277 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9278 in phi nodes in the correct blocks.
9280 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9282 PR tree-optimization/28364
9283 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9285 (fold_affine_expr): New function.
9286 (may_eliminate_iv): Use fold_affine_expr.
9288 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9291 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9294 2006-08-16 Mike Stump <mrs@apple.com>
9296 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9297 * doc/cppopts.texi (-MD): Likewise.
9299 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9302 * c-common.c (handle_weak_attribute): Ignore and warn if
9303 not a FUNCTION_ or VAR_DECL.
9305 2006-07-15 Mike Stump <mrs@apple.com>
9308 * c-parser.c (c_parser_typeof_specifier): Don't use
9309 c_finish_expr_stmt, open code desired semantics instead.
9311 2006-08-15 Nick Clifton <nickc@redhat.com>
9313 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9314 fragment to tmake_file only if threads are enabled.
9315 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9316 * config/i386/t-gthr-win32: New file. ... here.
9318 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9321 * c-parser.c (c_parser_compound_statement_nostart): Reset
9322 parser->error after each statement.
9324 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9327 * omp-low.c (lower_omp_parallel): Convert t to
9328 receiver_decl's type.
9329 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9330 source before comparison.
9333 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9334 to itype in assignment to oldival2.
9336 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9340 * c-typeck.c (build_compound_expr): If the second expression
9341 is an error mark, then just return an error mark instead of
9342 creating a COMPOUND_EXPR.
9344 2006-07-14 Mike Stump <mrs@apple.com>
9346 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9348 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9350 * c-decl.c, var-tracking.c: Fix comment typos.
9352 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9354 PR rtl-optimization/28634
9355 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9356 for floating-point modes unless flag_unsafe_math_optimizations.
9358 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9359 Andrew Pinski <pinskia@physics.uc.edu>
9362 * tree.c (build_array_type): Unify array types with
9363 unspecified index_type.
9364 * c-decl.c (grokdeclarator): Make sure we do not modify a
9365 unified incomplete array type.
9366 * c-typeck.c (store_init_value): Create distinct type before
9367 filling in the index type in an initializer from a compound
9370 * c-decl.c (grokdeclarator): Remove code where we copy the
9373 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9375 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9376 into account for TODO_dump_cgraph.
9377 (TODO_update_ssa_no_phi): Likewise.
9378 (TODO_update_ssa_full_phi): Likewise.
9379 (TODO_update_ssa_only_virtuals): Likewise.
9380 (TODO_remove_unused_locals): Likewise.
9381 (TODO_set_props): Likewise.
9382 (TODO_update_stmt_usage): Likewise.
9384 2006-08-13 Dirk Mueller <dmueller@suse.de>
9386 * c-common.c (strict_aliasing_warning): Fix formatting.
9388 2006-08-13 Matthias Klose <doko@debian.org>
9390 * doc/invoke.texi: Fix spelling errors.
9392 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9394 PR rtl-optimization/23454
9395 * reorg.c (relax_delay_slots): Update comment.
9397 2006-08-11 Richard Guenther <rguenther@suse.de>
9400 * simplify-rtx.c (simplify_const_relational_operation):
9401 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9404 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9406 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9407 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9409 2006-08-10 Paul Brook <paul@codesourcery.com>
9411 * final.c (final_scan_insn): Clear current_insn_predicate before
9412 outputting inline asm.
9414 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9416 PR tree-optimization/26197
9417 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9418 get_ref_base_and_extent and overlap_subvar to add only relevant
9419 subvars as may-aliases.
9420 (add_may_alias_for_new_tag): New function, factored out of
9422 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9423 with additional argument.
9424 * tree-flow.h (new_type_alias): Takes additional argument.
9426 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9428 * gcov.c (no_data_file): New flag.
9429 (read_count_file): Set it if data file not present. Assume counts
9431 (output_lines): Don't name the data file, if there wasn't one.
9433 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9435 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9436 (rs6000_generate_compare): Tweak comments.
9437 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9439 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9441 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9442 (var_debug_decl): New function.
9443 (var_reg_set): Follow debug decl link. Add location even if
9444 reg is already known to hold some other variable.
9445 (var_mem_set): Follow debug decl link.
9446 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9447 decl link. Delete other known locations of the variable part
9449 (var_reg_delete, var_mem_delete): Delete other known locations
9450 of the variable part if requested.
9451 (same_variable_part_p): New function.
9452 (add_stores): Select MO_COPY when appropriate.
9453 (vt_initialize): Handle it.
9454 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9455 known locations for MO_SET and MO_CLOBBER.
9456 (find_variable_location_part): New function.
9457 (set_variable_part, delete_variable_part): Use it.
9458 (clobber_variable_part): New function.
9459 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9462 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9464 PR tree-optimization/26969
9465 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9466 with an empty list of PHIs.
9468 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9472 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9475 2006-08-06 Andreas Schwab <schwab@suse.de>
9477 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9478 string. Whitespace and comment fixup.
9480 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9483 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9487 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9490 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9492 2006-08-04 Jan Hubicka <jh@suse.cz>
9496 * reload.c (push_reload): Patch out the mismatching instruction;
9498 (find_reload): Bail out if the instruction was patched out.
9500 2006-08-04 Jan Hubicka <jh@suse.cz>
9502 PR tree-optimization/24888
9503 * tree-inline.c (expand_call_inline): Do not re-record variables.
9504 (declare_inline_vars): Add variable to unexpanded_var_list.
9506 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9507 Roger Sayle <roger@eyesopen.com>
9509 PR rtl-optimization/26244
9510 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9511 inner_const are negative or greater than or equal to the bitsize of
9512 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9513 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9514 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9515 CONST0_RTX (mode) when the new shift count is greater than or equal to
9516 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9519 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9521 * tree-cfg.c: Fix a comment typo.
9523 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9526 * varasm.c (output_constant): Give the front end another chance to
9527 expand constants, after stripping NOPs.
9529 2006-08-03 Jan Hubicka <jh@suse.cz>
9531 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9534 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9536 PR tree-optimization/27770
9537 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9538 declaration removed (moved to tree-flow.h).
9539 (vect_can_force_dr_alignment_p): Likewise.
9540 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9541 (moved from tree-vectorizer.h).
9542 (vect_can_force_dr_alignment_p): Likewise.
9543 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9544 from outside the vectorizer - in particular from cgraph stage.
9545 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9546 the alignment of global arrays when -fsection-anchors is enabled.
9547 * cgraphunit.c (cgraph_increase_alignment): New function.
9548 (cgraph_optimize): Call cgraph_increase_alignment.
9550 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9553 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9554 not reload a SPE symbol_ref into a lo_sum address.
9556 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9559 * dwarf2out.c (prune_unused_types_prune): Move call to
9560 prune_unused_types_update_strings to cover the parent DIE also.
9562 2006-08-02 Jan Hubicka <jh@suse.cz>
9564 PR gcov/profile/28480
9565 * tree-cfg.c (change_bb_for_stmt): New function.
9566 (tree_merge_blocks, tree_split_blocks): Use it.
9568 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9574 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9575 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9576 (cgraph_optimize): Likewise.
9578 2006-08-01 Stuart Hastings <stuart@apple.com>
9580 * rtl.h (UINTVAL) New.
9581 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9582 * testsuite/gcc.dg/20060801-1.c: New.
9584 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9587 * c-typeck.c (build_external_type): Mark used enum types.
9588 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9590 (gen_subprogram_die): Whitespace fix.
9592 2006-08-01 Jan Hubicka <jh@suse.cz>
9594 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9595 bitmap when not needed.
9596 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9599 2006-08-01 Dirk Mueller <dmueller@suse.de>
9601 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9603 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9605 * Makefile.in: Revert part of previous patch:
9606 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9609 2006-07-30 Eric Christopher <echristo@apple.com>
9612 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9613 (PowerPC Variable Attributes): New section.
9615 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9617 PR target/28126 (partial fix)
9618 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9620 2006-07-28 Jan Hubicka <jh@suse.cz>
9622 PR rtl-optimization/28071
9623 * cfgrtl.c (rtl_delete_block): Free regsets.
9624 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9626 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9628 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9629 and variables used in dependencies.
9631 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9633 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9634 %fs for -mcmodel=kernel.
9635 (stack_tls_protect_test_di): Likewise.
9637 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9639 * Makefile.in: Use mkinstalldirs.
9641 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9644 * opts-common.c (prune_options): Skip joined switches.
9646 2006-07-27 Jan Hubicka <jh@suse.cz>
9648 PR rtl-optimization/28071
9649 * cselib.c (cselib_process_insn): Don't remove useless values too
9650 often for very large hashtables.
9652 2006-07-27 Jan Hubicka <jh@suse.cz>
9654 PR rtl-optimization/28071
9655 * global.c (greg_obstack): New obstack.
9656 (allocate_bb_info): Use it.
9657 (free_bb_info): Likewise.
9658 (modify_reg_pav): Likewise.
9660 2006-07-27 Roger Sayle <roger@eyesopen.com>
9662 * builtins.c (fold_fixed_mathfn): When long and long long are the
9663 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9664 functions to their lceil*, lfloor*, lround* and lrint* forms.
9666 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9669 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9671 (rev_branch_insn): Likewise.
9673 2006-07-27 Jan Hubicka <jh@suse.cz>
9675 PR rtl-optimization/28071
9676 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9677 (reg_set_in_bb, max_reg_computed): New static variables.
9678 (regmove_optimize): Free the new array.
9679 (fixup_match_1): Update call of reg_is_remote_constant_p.
9681 2006-07-26 Jan Hubicka <jh@suse.cz>
9683 PR tree-optimization/27882
9684 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9686 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9688 (cgraph_analyze_compilation_unit): Likewise.
9689 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9690 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9691 (cgraph_early_inlinine): Make order garbage collected.
9692 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9694 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9696 * dbxout.c (output_types_sort): Add a comment.
9697 (output_used_types): Free the VEC.
9699 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9701 * function.c (reorder_fix_fragments): Delete.
9702 (reorder_blocks): Don't call it.
9703 (reorder_blocks_1): Put all subblocks under the origin block.
9705 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9707 PR rtl-optimization/27907
9708 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9711 2006-07-25 Roger Sayle <roger@eyesopen.com>
9714 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9715 bar(x) check that bar's result type can represent all the values of T.
9717 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9719 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9721 2006-07-25 Nick Clifton <nickc@redhat.com>
9723 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9724 size_lookup[] array.
9725 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9726 (ggc_pch_count_object): Likewise.
9727 (ggc_pch_alloc_object): Likewise.
9728 (ggc_pch_write_object): Likewise.
9729 (init_ggc): Do not attempt to initialize entries in the
9730 size_lookup[] array for objects whose size is greater than than
9731 the length of the array.
9733 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9735 * dbxout.c (output_used_types_helper): Push queued types
9737 (output_types_sort): New.
9738 (output_used_types): Collect used types on a VEC and sort them
9741 2006-07-24 Richard Guenther <rguenther@suse.de>
9744 * cgraph.c (cgraph_remove_node): Do not check if dumps
9746 * cgraphunit.c (cgraph_optimize): Likewise.
9748 2006-07-24 Jan Hubicka <jh@suse.cz>
9750 PR rtl-optimization/28071
9751 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9752 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9753 splitting before first stmt.
9755 2006-07-24 Jan Hubicka <jh@suse.cz>
9757 PR rtl-optimization/28071
9758 * ipa-inline.c (update_caller_keys): Remove edges that
9759 are no longer inline candidates.
9761 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9764 * dbxout.c (output_used_types_helper, output_used_types): New.
9765 (dbxout_symbol): Call output_used_types.
9767 2006-07-23 Jan Hubicka <jh@suse.cz>
9771 * cgraph.c (cgraph_varpool_nodes): Export.
9772 (decide_is_variable_needed): Ignored "used" attribute in
9773 unit-at-a-time mode.
9774 * cgraph.h (cgraph_varpool_nodes): Declare.
9775 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9776 unit-at-a-time mode.
9778 2006-07-23 Roger Sayle <roger@eyesopen.com>
9781 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9782 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9783 the __gthrw form of thr_keycreate.
9784 (__gthread_key_delete): Silence the unused argument warning.
9786 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9789 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9790 Cache the last found '\0' marker to avoid quadratic behavior.
9792 2006-07-23 Jan Hubicka <jh@suse.cz>
9794 * i386.md (subsi_3_zext): Fix output template.
9796 2006-07-21 Mike Stump <mrs@apple.com>
9798 * doc/invoke.texi (C++ Dialect Options): Note that
9799 -fvisibility-inlines-hidden doesn't affect explicitly
9800 instantiationed inline methods.
9802 2006-07-20 Roger Sayle <roger@eyesopen.com>
9804 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9805 if the target assembler is GNU binutils' gas.
9806 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9807 whether to pass GNU gas or native as command line options.
9809 2006-07-20 Jason Merrill <jason@redhat.com>
9811 * tree.c (remove_attribute): New fn.
9812 * tree.h: Declare it.
9814 2006-07-20 Paul Brook <paul@codesourcery.com>
9817 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9818 they are invalidated by this instruction.
9820 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9823 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9825 2006-07-20 Eric Christopher <echristo@apple.com>
9828 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9830 2006-07-19 Eric Christopher <echristo@apple.com>
9832 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9833 Rewrite dependencies for libgcc_s.1.dylib.
9835 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9837 * except.c (duplicate_eh_regions_1): Clear next_peer.
9839 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9841 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9842 -mlongcall does not guarantee all calls will be long.
9843 * doc/extend.texi (long_call/short_call): Document that longcall
9844 does not guarantee a long call will be used.
9845 (longcall/shortcall): Likewise.
9847 2006-07-18 Roger Sayle <roger@eyesopen.com>
9850 * expmed.c (expand_shift): Additionally check that the shift_cost
9851 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9852 before implementing a LSHIFT_EXPR as a sequence of additions.
9853 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9854 middle-end that DImode shifts need to be synthesized by expand.
9856 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9859 * tree-ssa-operands.c (access_can_touch_variable): Update
9861 Return true if ALIAS is .GLOBAL_VAR.
9863 2006-07-18 David Daney <ddaney@avtrex.com>
9865 * gcc.c (display_help): Fix typo in help text.
9867 2006-07-18 Olivier Hainque <hainque@adacore.com>
9869 * tree.h (categorize_ctor_elements): Adjust prototype and add
9870 descriptive comment, both in accordance with the interface change
9872 * varasm.c (constructor_static_from_elts_p): New function.
9873 Whether a constructor node is a valid static constant initializer
9874 if all its elements are.
9875 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9876 * output.h: Declare it.
9877 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9878 is a valid constant initializer instead of computing the number of
9879 non-constant elements. Use constructor_static_from_elts_p for this
9880 purpose. Replace the head comment with an indication that this is a
9881 helper for categorize_ctor_elements.
9882 (categorize_ctor_elements): Same interface change as for the _1
9883 helper. Former head comment from this helper moved here, adjusted to
9884 account for the interface changes.
9885 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9886 (all_zeros_p): Likewise.
9887 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9888 static versions of the constructor from the categorize_ctor_elements
9889 return value instead of the formerly computed number of non-constant
9892 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9894 * configure: Regenerate.
9895 * Makefile.in (build_libsubdir): New configure substitution
9896 (build_libobjdir): New variable.
9897 (BUILD_LIBIBERTY): Use it.
9899 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9902 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9904 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9907 * c-common.c (handle_weakref_attribute): Ignore attribute in
9908 the same conditions the alias attribute is ignored.
9910 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9912 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9913 (dbxout_begin_prologue): Increment scope_labelno.
9915 2006-07-17 Richard Henderson <rth@redhat.com>
9918 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9921 2006-07-17 Roger Sayle <roger@eyesopen.com>
9922 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9924 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9925 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9926 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9927 functions such as sbrk, write, etc.. Add function prototypes.
9928 Convert function declarations from K&R to ISO C. Cast pointers
9929 to "long" and "unsigned long" instead of "int" and "unsigned int".
9930 Convert tokens following #endif into comments.
9932 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9934 * invoke.texi: Remove mention of f77; Reformat table for
9935 inline parameter options correctly; mention that -malign-double
9936 is default on x86-64 targets.
9938 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9940 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9941 (convert_affine_scev, chrec_convert_aggressive): Use
9942 avoid_arithmetics_in_type_p. Do not check for the subtypes
9945 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9948 * optabs.c (expand_doubleword_shift): Wrap the call to
9949 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9951 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9954 * optabs.c (expand_binop): Pass next_methods rather than methods
9955 to expand_doubleword_shift.
9957 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9960 * tree.h (dump_addr): Declare.
9961 * print-tree.c (dump_addr): New function.
9962 (print_node_brief, print_node): Use it.
9963 * print-rtl.c (print_rtx): Likewise.
9964 * common.opt (-fdump-noaddr): New option.
9965 * doc/invoke.texi (-fdump-noaddr): Document.
9966 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9967 (ve_info_hash): Likewise.
9969 2006-07-13 Andrew Haley <aph@redhat.com>
9971 PR tree-optimization/19505
9972 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9973 edge leaving this block, make sure that the destination of this
9974 block has only one predecessor.
9976 2006-07-17 Richard Guenther <rguenther@suse.de>
9978 PR tree-optimization/28238
9979 * tree-inline.c (copy_bb): Check if we produced valid
9980 gimple copying and substituting a stmt. If not, gimplify
9983 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
9985 * optabs.c (maybe_encapsulate_block): New function extracted from...
9986 (emit_libcall_block): ...here. Invoke it on the block of insns to
9987 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
9988 (emit_no_conflict_block): Likewise.
9990 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
9992 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
9994 2006-07-15 Roger Sayle <roger@eyesopen.com>
9996 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
9997 a new NOP_EXPR case of the switch statement.
9999 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10001 PR middle-end/28160
10002 * stor-layout.c (place_field): Take the bit field with
10003 an excessive size into account in the ms-bitfiled case.
10005 PR middle-end/28161
10006 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10007 the previous bit field.
10009 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10012 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10014 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10016 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10017 signal frames correctly even when the signal was installed with
10020 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10022 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10023 (dbxout_function_end): Use local label LFBB. Remove hook
10025 (dbxout_source_line): Use local label LFBB.
10026 (dbxout_block): Likewise.
10027 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10028 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10029 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10030 and DBX_OUTPUT_NFUN.
10032 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10034 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10036 2006-07-13 Jan Hubicka <jh@suse.cz>
10038 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10040 * output.h (align_variable): Declare.
10041 * varasm.c (align_variable): Export.
10042 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10043 when basic block changed.
10045 2006-07-13 Nick Clifton <nickc@redhat.com>
10047 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10048 walking the LOG_LINKS chain.
10050 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10052 * doc/invoke.texi (C++ Dialect Options): Explain difference
10053 between -fvisibility-inlines-hidden and setting hidden
10054 visibility explicitly.
10056 2006-07-12 Eric Christopher <echristo@apple.com>
10058 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10059 (stmp-lipo): Depend on libgcc.a.
10061 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10063 * tree.c: Fix a comment typo.
10065 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10067 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10069 (umulhisi3_r): Likewise.
10071 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10074 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10075 x < 19, vs wchar_t support.
10077 2006-07-12 Nick Clifton <nickc@redhat.com>
10079 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10080 instead of -isa=sh4.
10082 2006-07-12 Mike Stump <mrs@apple.com>
10084 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10086 2006-07-10 Eric Christopher <echristo@apple.com>
10088 * config/t-slibgcc-darwin: Rewrite.
10090 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10093 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10096 2006-07-08 Matthias Klose <doko@debian.org>
10098 * doc/sourcebuild.texi: Fix typo.
10100 2006-07-07 Mike Stump <mrs@apple.com>
10102 * toplev.c (process_options): Don't give -ffunction-sections may
10103 affect debugging warning for Mach-O.
10105 2006-07-07 James E Wilson <wilson@specifix.com>
10107 * config/mips/mips.md (cpu): Add sb1a.
10108 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10109 addition to sb1. Adjust comments to clarify SB-1A differences from
10111 (ir_sb1a_load): New. Modify bypasses to use it.
10112 (ir_sb1a_simple_alu): Likewise.
10113 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10114 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10115 (mips_issue_rate): Add PROCESSOR_SB1A.
10116 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10117 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10118 (TARGET_SB1): Add PROCESSOR_SB1A check.
10119 (TUNE_SB1): Likewise.
10121 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10122 * config/mips/mips.c (mips_store_data_bypass_p): New.
10123 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10124 store_data_bypass_p.
10126 2006-07-08 Paul Brook <paul@codesourcery.com>
10129 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10131 2006-07-07 Richard Guenther <rguenther@suse.de>
10133 PR middle-end/28268
10134 * tree.h (build_one_cst): Declare.
10135 * tree.c (build_one_cst): New function.
10136 * tree-ssa-math-opts.c (get_constant_one): Remove.
10137 (insert_reciprocals): Use build_one_cst.
10138 * fold-const.c (fold_plusminus_mult): Likewise.
10140 2006-07-07 Roger Sayle <roger@eyesopen.com>
10142 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10143 * cfgloopanal.c (dump_graph): Likewise.
10144 * dojump.c (discard_pending_stack_adjust): Likewise.
10145 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10147 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10148 * function.c (finalize_block_changes): Likewise.
10149 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10150 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10151 * rtl.c (dump_rtx_statistics): Likewise.
10152 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10154 * varray.c (dump_varray_statistics): Likewise.
10155 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10156 decode_decimal64, encode_decimal128, decode_decimal128,
10157 decimal_real_to_decimal): Likewise.
10159 2006-07-07 Richard Guenther <rguenther@suse.de>
10161 PR tree-optimization/28187
10162 * tree-vrp.c (vrp_operand_equal_p): New function.
10163 (vrp_bitmap_equal_p): Likewise.
10164 (update_value_range): Use them to compare old and new
10165 max and min values.
10167 2006-07-06 Roger Sayle <roger@eyesopen.com>
10169 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10170 a default case to switch statement to silence compiler warnings.
10172 2006-07-06 Roger Sayle <roger@eyesopen.com>
10175 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10176 the configured assembler supports the x87's ffreep mnemonic.
10177 * configure: Regenerate.
10178 * config.in: Regenerate.
10180 * config/i386/i386.c (output_387_ffreep): New function.
10181 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10182 (output_387_reg_move): Likewise.
10184 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10186 Port to hosts whose 'sort' and 'tail' implementations
10187 treat operands with leading '+' as file names, as POSIX
10188 has required since 2001. However, make sure the code still
10189 works on pre-POSIX hosts.
10190 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10191 which says you should use "tail -c +N" rather than "tail +Nc".
10192 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10194 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10196 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10199 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10202 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10203 PRE_{INC,DEC} of TFmode.
10205 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10206 Alan Modra <amodra@bigpond.net.au>
10209 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10212 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10215 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10216 Remove duplicate gtu.
10218 2006-07-05 Jason Merrill <jason@redhat.com>
10222 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10223 * c-common.c (handle_packed_attribute): So don't copy it here.
10224 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10226 2006-07-05 Mike Stump <mrs@apple.com>
10228 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10230 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10233 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10235 2006-07-05 Richard Guenther <rguenther@suse.de>
10238 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10239 TARGET_SSE2 targets if using SSE math.
10240 (*absdf2_1): Likewise.
10242 2006-07-05 Richard Guenther <rguenther@suse.de>
10244 PR tree-optimization/28162
10245 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10246 make sure to convert the operands to the correct type.
10248 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10250 PR tree-optimization/28218
10252 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10253 to calculate and free the dominator information.
10255 2006-07-04 Peter O'Gorman <peter@pogma.com>
10257 * mklibgcc.in: chmod 644 before ranlib during install.
10259 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10260 J"orn Rennecke <joern.rennecke@st.com>
10262 * configure.ac (.eh_frame data check): Use diff -b.
10264 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10267 * Makefile.in (BUILD_RTL): Add build/vec.o.
10268 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10269 (build/genextract): Delete.
10270 (build/genautomata): Likewise.
10272 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10275 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10276 128-bit IBM long doubles for ABI_V4.
10278 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10280 * tree.c (range_in_array_bounds_p): New predicate.
10281 * tree.h (range_in_array_bounds_p): Declare it.
10282 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10283 return a less conservative answer.
10284 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10285 and flag 'is_group'.
10286 (IS_ELEMENT_FOR_GROUP): New macro.
10287 (FOR_EACH_ACTUAL_CHILD): Likewise.
10288 (next_child_for_group): New helper function.
10289 (can_completely_scalarize_p): Take into account groups.
10290 (sra_hash_tree): Handle RANGE_EXPR.
10291 (sra_elt_eq): Likewise.
10292 (lookup_element): Be prepared for handling groups.
10293 (is_valid_const_index): Delete.
10294 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10295 instead of is_valid_const_index.
10296 <ARRAY_RANGE_REF>: New case.
10297 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10298 is_valid_const_index.
10299 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10300 (scan_dump): Dump info for groups too.
10301 (decide_instantiation_1): Likewise.
10302 (decide_block_copy): Assert that the element is not a group.
10303 Propagate decision to groups.
10304 (generate_one_element_ref): Handle RANGE_EXPR.
10305 (mark_no_warning): Iterate over actual childs.
10306 (generate_copy_inout): Likewise.
10307 (generate_element_copy): Likewise.
10308 (generate_element_zero): Likewise.
10309 (generate_element_init_1): Likewise.
10310 (dump_sra_elt_name): Handle RANGE_EXPR.
10312 2006-07-03 Roger Sayle <roger@eyesopen.com>
10314 PR tree-optimization/26251
10315 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10316 (thread_block): When optimizing for size refuse to thread jumps
10317 that would require duplication of blocks other than redirection
10320 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10322 * configure.ac: Fix thinko in previous check-in.
10323 * configure: Regenerate.
10325 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10328 * configure.ac (for lang...): Simplify nesting of conditionals.
10329 Test subdir_requires for non-enabled languages. Move processing
10330 of lang_opt_files and lang_tree_fiels below that test.
10331 * configure: Regenerate.
10332 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10334 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10336 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10338 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10340 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10343 2006-06-29 Jason Merrill <jason@redhat.com>
10350 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10351 * c-common.c (c_determine_visibility): Handle it here.
10352 * c-decl.c (finish_decl): Call c_determine_visibility for
10354 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10355 * tree.h: Likewise.
10356 * varasm.c (default_assemble_visibility): Likewise.
10357 * c-common.c (handle_visibility_attribute): Complain about trying
10358 to give visibility to an already defined class, or trying to change
10359 declared visibility. Always attach the attribute.
10364 * attribs.c (decl_attributes): Ignore type-in-place attributes
10365 once the type has been defined.
10367 2006-06-29 Roger Sayle <roger@eyesopen.com>
10369 PR middle-end/27428
10370 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10371 to indicate the cpplib has issued an error message for us.
10373 2006-06-29 Asher Langton <langton2@llnl.gov>
10376 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10377 insert a label at the end of an function under Mach-O.
10379 2006-06-29 Eric Christopher <echristo@apple.com>
10380 Evan Cheng <evan.cheng@apple.com>
10382 * predicates.md (vector_all_ones_operand): New.
10383 (nonimmediate_or_sse_const_operand): Ditto.
10384 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10385 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10386 (standard_sse_mode_p): Ditto.
10387 (standard_sse_constant_p): Add case for -1 vector.
10388 (ix86_expand_vector_move): Try to use.
10389 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10390 Call standard_sse_constant_opcode.
10391 (*movv4sf_internal): Ditto.
10392 (*movv2df_internal): Ditto.
10394 2006-06-29 Roger Sayle <roger@eyesopen.com>
10396 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10397 of XEXP to extract the operands of a MATCH_CODE rtx.
10399 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10401 * tree.c (tree_size): Do not waste tail padding in
10402 struct tree_string and make the size be the same as
10403 build_string will generate.
10405 2006-06-28 Jason Merrill <jason@redhat.com>
10408 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10409 may_aliases already in the tag's annotations to the bitmap.
10411 2006-06-28 Roger Sayle <roger@eyesopen.com>
10413 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10415 2006-06-28 Roger Sayle <roger@eyesopen.com>
10417 * genpreds.c (generate_switch_p): New function.
10418 (add_mode_tests): Push the new mode test down inside an AND expr
10419 if this allows the switch-suitable MATCH_CODE to be near the root.
10420 (write_match_code_switch): New function to write a MATCH_CODE as
10421 a switch statement.
10422 (write_predicate_stmts): New function to write a predicate RTX
10423 expression as a sequence of statements.
10424 (write_one_predicate_function): Use write_predicate_stmts.
10425 (write_tm_constrs_h): Likewise.
10427 2006-06-26 Fred Fish <fnf@specifix.com>
10429 * config/mips/t-sb1: New file.
10430 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10433 2006-06-26 DJ Delorie <dj@redhat.com>
10435 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10437 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10438 Jayant Sonar <jayants@kpitcummins.com>
10439 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10441 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10442 (subsi3, subsi3_1, subsi3_2): New.
10443 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10444 * config/m32c/mov.md (SI mov peephole): New.
10445 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10446 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10448 2006-06-26 Olivier Hainque <hainque@adacore.com>
10450 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10451 a CALL_EXPR target function declaration.
10453 2006-06-26 Richard Guenther <rguenther@suse.de>
10455 * tree.c (build_string): Do not waste tail padding in
10456 struct tree_string.
10458 2006-06-26 Richard Guenther <rguenther@suse.de>
10460 * ggc-page.c (init_ggc): Add missing element to size_lookup
10464 2006-06-23 Richard Guenther <rguenther@suse.de>
10466 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10467 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10468 alignment requests instead. Add verification code.
10469 Add struct tree_function_decl and struct tree_binfo size to
10470 extra_order_size_table. Add missing element to size_lookup
10473 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10475 PR middle-end/28151
10476 * fold-const.c (const_binop): Be prepared for self returning zero.
10477 Simplify code handling complex values.
10479 2006-06-24 Olivier Hainque <hainque@adacore.com>
10481 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10482 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10485 2006-06-24 Olivier Hainque <hainque@adacore.com>
10487 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10488 ARRAY_REF, so have the callback called for the low bound expression.
10490 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10492 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10493 * c-typeck.c (c_common_type): Disallow operations on decimal float
10494 types and other float types.
10495 * convert.c (convert_to_real): Don't ignore conversions involving
10496 decimal float types.
10498 2006-06-23 Olivier Hainque <hainque@adacore.com>
10500 * tree.c (max_int_size_in_bytes): New function, inspired from
10501 code in function.c:assign_temp.
10502 * tree.h (max_int_size_in_bytes): Declare.
10503 * function.c (assign_temp): Use it.
10504 * gimplify.c (create_tmp_var): Relax the assertions on the type
10505 properties, not mandating constant size any more.
10506 (force_constant_size): New static function.
10507 (gimple_add_tmp_var): Use it, forcing variable size to a
10508 constant upper bound if it is not constant on entry.
10510 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10513 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10514 for initialization and setting of one_only flag to ...
10515 (i386_pe_encode_section_info): ...here.
10516 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10517 Recheck that the symbol has not been defined.
10519 2006-06-23 Richard Guenther <rguenther@suse.de>
10521 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10522 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10523 alignment requests instead. Add verification code.
10524 Add struct tree_function_decl and struct tree_binfo size to
10525 extra_order_size_table. Add missing element to size_lookup
10528 2006-06-22 Roger Sayle <roger@eyesopen.com>
10529 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10531 PR middle-end/28131
10532 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10533 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10535 2006-06-23 Ben Elliston <bje@au.ibm.com>
10537 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10538 negate dn -- manipulate it directly.
10540 2006-06-22 Roger Sayle <roger@eyesopen.com>
10541 Steven Bosscher <stevenb.gcc@gmail.com>
10544 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10545 generated by gen_move_insn to add REG_LABEL notes if necessary.
10547 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10549 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10550 (leaf_entry): Remove use of MIN_ESA.
10552 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10554 PR rtl-optimization/28121
10555 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10558 2006-06-21 DJ Delorie <dj@redhat.com>
10560 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10562 (mulhisi3_r): Likewise.
10564 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10566 PR middle-end/28034
10567 * coverage.c (coverage_counter_alloc): Leave the index type
10569 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10572 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10574 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10575 section from the "Options for Code Generation Conventions".
10577 2006-06-21 Richard Henderson <rth@redhat.com>
10581 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10583 (global_symbolic_operand): Allow weak symbols, even if local_p.
10585 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10587 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10588 (find_interesting_uses_address): Punt if above function returns true.
10590 2006-06-21 Richard Guenther <rguenther@suse.de>
10592 * configure: Regenerated.
10594 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10596 * config/mips/mips.c (function_arg): Where one part of a
10597 complex argument is in registers and the other part in the stack,
10598 return a REG not a PARALLEL.
10600 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10602 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10603 when cross-compiling. Do not substitute libstdcxx_incdir.
10604 * configure: Regenerated.
10606 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10608 * varasm.c (mergeable_string_section): Check for embedded NULs and
10609 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10610 rather than TREE_STRING_LENGTH bytes.
10612 2006-06-21 Richard Guenther <rguenther@suse.de>
10614 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10615 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10618 2006-06-21 Richrad Guenther <rguenther@suse.de>
10620 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10621 Limit iteration over the dominators.
10623 2006-06-20 Roger Sayle <roger@eyesopen.com>
10625 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10626 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10628 2006-06-20 Richard Guenther <rguenther@suse.de>
10629 Michael Matz <matz@suse.de>
10631 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10633 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10634 * et-forest.h (et_free_pools): Prototype new function.
10635 * et-forest.c (et_free_tree_force): Free parent occurrence.
10636 (et_free_pools): New function.
10637 * dominance.c (free_dominance_info): Free et-forest alloc
10640 2006-06-20 Roger Sayle <roger@eyesopen.com>
10642 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10643 integer modes, attempt to directly construct an integer constant.
10645 * fold-const.c (native_encode_vector): Determine the size of each
10646 element from the vector type instead of the first vector element.
10648 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10649 if all of its elements/components are constant.
10650 (build_constructor_from_list): Likewise.
10652 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10654 PR tree-optimization/27331
10655 * tree-data-ref.c (free_data_ref): New function.
10656 (create_data_ref): Fail if the data reference has unknown access
10658 (free_data_refs): Use free_data_ref.
10660 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10662 PR middle-end/28075
10663 * tree-inline.c (setup_one_parameter): Strip useless
10664 type conversion before adding it to the IR.
10665 (declare_return_variable): Likewise.
10667 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10670 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10672 2006-06-19 Mike Stump <mrs@apple.com>
10674 * tree.c (variably_modified_type_p): VM arguments don't make the
10677 2006-06-19 Richard Guenther <rguenther@suse.de>
10679 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10680 type conversions after folding.
10682 2006-06-19 Richard Guenther <rguenther@suse.de>
10684 * ggc-page.c (extra_order_size_tab): Add entries with
10685 size of struct function and basic_block.
10686 (size_lookup): Extend to cover sizes up to 511.
10687 (ggc_alloc_stat): Adjust user.
10688 (ggc_pch_count_object): Likewise.
10689 (ggc_pch_alloc_object): Likewise.
10690 (ggc_pch_write_object): Likewise.
10692 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10694 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10695 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10698 2006-06-19 Denis Chertykov <denisc@overta.ru>
10700 * config/avr/libgcc.S : Correct my wrong previous commit.
10702 2006-06-19 Roger Sayle <roger@eyesopen.com>
10705 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10706 have stripped a SUBREG from the shift count, so we may need to
10707 convert_to_mode back to the type's mode before calling make_tree.
10708 Use new_amount instead of amount to avoid expanding a tree twice.
10710 2006-06-19 Richard Guenther <rguenther@suse.de>
10712 PR middle-end/28045
10713 * fold-const.c (operand_equal_p): Check if the argument types
10714 have the same precision before stripping NOPs.
10716 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10718 Fix PR tree-optimization/27341
10719 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10721 * tree-complex.c (pass_lower_complex): Update SMT usage.
10723 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10725 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10726 Add a new alternative to the constraint strings. Add move of
10727 operand 1 to 3 to the splitter definition.
10728 ("doloop_si_long"): Second contraint alternative removed.
10730 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10732 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10733 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10735 (AVR_HAVE_MOVW) Define.
10736 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10737 (ASM_SPEC): Add avr25.
10738 (LINK_SPEC): Add avr25.
10739 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10740 (base_arch_s): Add new member 'have_movw_lpmx'.
10741 (avr_arch_types): Init 'have_movw_lpmx'.
10742 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10743 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10744 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10745 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10746 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10748 (avr_file_start): Do not output '.arh' derective.
10749 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10750 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10751 * config/avr/avr.md (mcu_enhanced): Delete.
10752 (mcu_have_movw): Define.
10753 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10754 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10755 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10756 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10757 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10758 attiny861 and at86rf401 devices.
10760 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10762 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10765 2006-06-17 Karl Berry <karl@gnu.org>
10767 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10768 doc/gccint.texi, doc/install.texi (@dircategory): Use
10769 "Software development" instead of "Programming", following
10770 the Free Software Directory.
10772 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10774 * config/i386/i386.c (legitimate_tls_address)
10775 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10776 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10777 (*tls_dynamic_gnu2_combine_64): Likewise.
10779 2006-06-16 Richard Guenther <rguenther@suse.de>
10781 PR middle-end/27116
10782 * fold-const.c (negate_expr_p): Do not introduce undefined
10783 overflow in negating INTEGER_CSTs.
10784 (fold_negate_expr): Rename from negate_expr. Revert last
10785 change for folding BIT_NOT_EXPR. Change semantics to
10786 return NULL_TREE for non-simplified negations. Do not
10787 strip type conversions and unify type handling.
10788 (negate_expr): New function, wrap around fold_negate_expr
10789 but ensure building a tree always. Strip type conversions
10790 here, fold to result type.
10791 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10793 2006-06-16 Roger Sayle <roger@eyesopen.com>
10795 PR middle-end/27802
10796 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10797 that (would) return their results in stack registers.
10799 2006-06-16 Michael Matz <matz@suse.de>
10800 Richard Guenther <rguenther@suse.de>
10802 * fold-const.c (fold_truthop): Only return new tree node if
10803 we canonicalized something.
10805 2006-06-16 Richard Guenther <rguenther@suse.de>
10807 * function.h (enum function_frequency): Move declaration
10808 out of struct function.
10809 (struct function): Move bool fields and the enum to the bitfield
10810 section. Reorder elements to avoid padding. Remove unused
10811 fields left over from the RTL inliner removal.
10812 * function.c (free_after_compilation): Do not zero removed fields.
10813 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10814 (ipa-type-escape.o): Likewise.
10816 2006-06-16 Richard Guenther <rguenther@suse.de>
10818 * cgraph.h (struct cgraph_local_info): Turn bool elements
10820 (struct cgraph_node): Likewise.
10821 (struct cgraph_varpool_node): Likewise.
10823 2006-06-15 Richard Guenther <rguenther@suse.de>
10825 * fold-const.c (fold_truth_not_expr): Rename from
10826 invert_truthvalue. Give it fold_* semantics to avoid
10827 generating garbage.
10828 (invert_truthvalue): New function. Wrapper around
10829 fold_truth_not_expr.
10830 (optimize_minmax_comparison): Avoid creating garbage.
10831 (fold_unary): Use fold_truth_not_expr for folding
10833 (fold_ternary): Replace uses of invert_truthvalue with
10834 fold_truth_not_expr where applicable.
10835 * tree.h (fold_truth_not_expr): Prototype.
10837 2006-06-16 Richard Guenther <rguenther@suse.de>
10839 PR tree-optimization/27781
10840 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10841 * ipa-pure-const.c (target.h): Include.
10842 (analyze_function): Do not analyze functions that do not
10845 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10847 PR middle-end/27793
10848 * tree-dfa.c (referenced_vars_dup_list): Remove.
10849 (find_referenced_vars): Remove assert.
10850 (referenced_var_check_and_insert): Replace dup list with assert.
10851 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10852 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10854 2006-06-15 Richard Guenther <rguenther@suse.de>
10856 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10857 extra unused identifiers if not dumping.
10858 (create_variable_info_for): Likewise.
10860 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10862 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10863 (derive_constant_upper_bound): Derive more precise upper bound in
10864 common cases. Return type changed to double_int.
10865 (record_estimate): Reflect the changed return type of
10866 derive_constant_upper_bound.
10867 * double-int.c (double_int_zext, double_int_sext): Fix.
10869 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10871 * configure.ac (CFLAGS): Get them from the toplevel or from the
10872 configure invocation.
10873 * configure: Regenerate.
10874 * Makefile.in (CFLAGS): Substitute value provided by configure.
10876 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10879 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10880 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10881 rather than calling add_stmt on it.
10882 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10884 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10886 PR middle-end/27959
10887 * reload1.c (reload): Remove registers returned by update_eliminables
10888 from used_spill_regs.
10890 2006-06-13 DJ Delorie <dj@redhat.com>
10892 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10894 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10896 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10897 html__strip_dir, html__mkdir_p. Enhance install-html target.
10898 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10899 * configure: Regenerate.
10901 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10903 * fold-const.c (fold_cond_expr_with_comparison): Check for
10904 Objective-C++ as language in deciding COND_EXPR transformation.
10906 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10909 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10910 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10911 * config/sh/lib1funcs.h (SL, SL1): Define.
10912 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10913 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10914 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10915 (OBJS_Os_4_200): New variable.
10916 ($(T)libgcc-Os-4-200.a): Use it.
10917 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10918 when dividing 1 and/or by 0.
10920 2006-06-13 Roger Sayle <roger@eyesopen.com>
10922 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10923 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10924 * configure: Regenerate.
10926 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10928 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10929 for real instruction.
10931 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10933 PR middle-end/26807
10934 * haifa-sched.c (check_cfg): Handle special case.
10936 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10939 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10940 Add debug_info parameter. Chain the vars to the BLOCK instead
10941 of the BIND_EXPR if debug info are requested for them.
10942 (pop_gimplify_context): Adjust for above change.
10943 (gimple_add_tmp_var): Likewise.
10944 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10945 Add bool parameter.
10946 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10947 (convert_local_reference): Likewise.
10948 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10949 (finalize_nesting_tree_1): Request that debug info be emitted
10950 for debug_var_chain.
10952 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10954 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10955 for PR target/27863.
10957 2006-06-13 Richard Guenther <rguenther@suse.de>
10959 PR middle-end/27536
10960 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10962 2006-06-13 Richard Guenther <rguenther@suse.de>
10964 PR tree-optimization/27830
10965 * tree-inline.c (copy_body_r): For copying the operand
10966 of an ADDR_EXPR make sure to fold &* afterwards.
10968 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10970 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10971 lvalues in the fb_none case with side-effects.
10973 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10975 * tree-flow.h: Remove the prototype for
10976 compute_phi_arg_on_exit.
10977 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
10978 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
10981 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
10983 * builtins.c (expand_builtin_return_addr): Only use
10984 frame_pointer_rtx when count == 0 and we are expanding
10985 __builtin_return_address.
10987 2006-06-12 Fred Fish <fnf@specifix.com>
10989 * config/mips/mips.c (mips_file_start): Create special section
10990 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
10992 2006-06-11 Eric Christopher <echristo@apple.com>
10994 PR middle-end/27948
10995 * stor-layout.c (place_field): Remove check for
10996 remaining_in_alignment when aligning at the end of a run.
10998 2006-06-11 Eric Christopher <echristo@apple.com>
11001 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11004 2006-06-11 Roger Sayle <roger@eyesopen.com>
11007 Revert incorrect fix for PR target/27158
11008 2006-05-08 Roger Sayle <roger@eyesopen.com>
11009 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11010 of a reg_equiv_constant if the result is a legitimate constant.
11012 2006-06-11 Roger Sayle <roger@eyesopen.com>
11015 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11016 extract a CONST_VECTOR element and interpret it as an integer.
11017 (vspltis_constant): Use const_vector_elt_as_int instead of the
11018 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11019 * config/rs6000/predicates.md (easy_vector_const): Consider
11020 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11022 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11024 PR middle-end/27942
11025 * stor-layout.c (update_alignment_for_field): Don't add extra
11026 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11029 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11031 * config/mips/t-rtems: Add EL/EB multilib variants.
11033 2006-06-09 Mike Stump <mrs@apple.com>
11035 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11037 2006-06-09 David Daney <ddaney@avtrex.com>
11039 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11041 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11043 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11045 2006-06-09 Richard Guenther <rguenther@suse.de>
11047 PR tree-optimization/26998
11048 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11049 of signed types, only TYPE_MIN_VALUE is special, but for both,
11050 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11051 in this case, as is -fwrapv.
11053 2006-06-08 Mike Stump <mrs@apple.com>
11056 * config/darwin.c (darwin_asm_output_anchor): Disable
11057 -fsection-anchors on darwin for now.
11058 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11059 * rs6000/rs6000.c (optimization_options): Likewise.
11061 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11064 * config/i386/i386.c (classify_argument): Skip fields with invalid
11067 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11069 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11070 (cse_insn): Likewise for the stack_pointer_rtx.
11072 2006-06-08 Roger Sayle <roger@eyesopen.com>
11074 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11075 conditions from floating point comparisons.
11077 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11079 PR middle-end/27733
11080 * expmed.c (struct alg_hash_entry): Fix type of field T
11081 to match synth_mult argument.
11082 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11084 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11087 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11090 2006-06-08 Richard Guenther <rguenther@suse.de>
11092 PR middle-end/27116
11093 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11094 only, if overflow is defined and not trapping.
11095 (negate_expr): Likewise.
11097 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11099 PR tree-optimization/27872
11100 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11101 flag on the new exit edge of the unrolled loop.
11103 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11105 PR rtl-optimization/26449
11106 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11108 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11110 PR middle-end/27793
11111 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11112 referenced_variables with matching DECL_UID's.
11113 (find_referenced_vars): Make sure duplicate list is empty to start.
11114 (referenced_var_p): Remove.
11115 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11116 Check if var is in the list, and add if needed. Update the duplicate
11117 list if a different var is in the list with the same DECL_UID.
11118 (add_referenced_var): Call routine to check and insert.
11119 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11120 * tree-flow.h (referenced_vars_dup_list): External declaration.
11122 2006-06-07 Fred Fish <fnf@specifix.com>
11124 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11127 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11130 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11131 the imaginary and real parts of a clobbered register.
11132 Emit insn to set the imaginary part.
11134 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11136 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11137 in lieu of unwind-dw2-fde.c.
11139 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11141 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11143 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11146 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11147 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11148 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11149 V4SImode temporaries and operations instead.
11151 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11153 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11156 2006-06-06 Mike Stump <mrs@apple.com>
11158 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11159 installing during build.
11161 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11163 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11165 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11166 * config/ia64/ia64.c (params.h): New header.
11167 (ia64_optimization_options): New function to adjust parameters.
11168 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11169 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11170 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11172 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11174 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11176 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11179 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11181 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11182 Victor Kaplansky <victork@il.ibm.com>
11184 PR tree-optimization/26360
11185 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11188 2006-06-04 Roger Sayle <roger@eyesopen.com>
11189 Andrew Pinski <pinskia@physics.uc.edu>
11191 PR middle-end/27382
11192 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11193 for LABEL_DECL before calling DECL_WEAK.
11196 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11197 LABEL_DECL and PARM_DECL.
11199 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11203 * c-decl.c (grokdeclarator): Disallow variably modified types at
11204 file scope. Avoid marking shared array type of constant size as
11207 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11210 * c-common.c (fold_offsetof_1): Handle static members.
11212 2006-06-04 Eric Christopher <echristo@apple.com>
11214 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11215 (debug_rli): Output value for remaining_in_alignment.
11216 (update_alignment_for_field): Unconditionalize
11217 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11218 extra alignment code.
11219 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11220 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11221 * tree.h (record_layout_info_s): Remove prev_packed.
11222 * doc/extend.texi (ms_struct): Add documentation of format.
11224 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11226 * tree.h: Declare folding_initializer.
11227 * builtins.c (fold_builtin_constant_p): Give definite answer
11228 if folding inside an initializer.
11229 * fold-const.c: Define folding_initializer.
11230 (START_FOLD_INIT): Save and then set folding_initializer.
11231 (END_FOLD_INIT): Restore folding_initializer.
11233 2006-06-04 Richard Guenther <rguenther@suse.de>
11235 PR tree-optimization/27039
11236 * fold-const.c (fold_comparison): Handle pointer comparison
11237 again for all comparison codes. Compare offsets in signed
11239 (fold_binary): Move code from here.
11241 2006-06-03 Roger Sayle <roger@eyesopen.com>
11244 * config/i386/i386.c (construct_container): Split static issued_error
11245 flag into issued_sse_arg_error, issued_sse_ret_error and
11246 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11247 requires the use of x87 registers and the user explicitly
11248 specified the -mno-80387 command line option.
11250 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11252 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11253 HAVE_DECL_SIGALTSTACK.
11255 (segv_handler): Use MC_FLD.
11256 * configure.ac: Check for a sigaltstack declaration.
11257 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11258 * configure: Regenerate.
11259 * config.in: Regenerate.
11261 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11264 * Makefile.in (stmp-fixinc): Fix typo.
11266 2006-06-02 Roger Sayle <roger@eyesopen.com>
11268 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11269 are type correct. Clean-up.
11270 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11271 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11273 2006-06-01 DJ Delorie <dj@redhat.com>
11275 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11276 shift, as we've disabled the "switch" insn that needs it.
11278 2006-06-01 Per Bothner <bothner@bothner.com>
11280 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11281 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11282 * c-ppoutput.c (cb_define): Don't increment line 0.
11284 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11286 * doc/invoke.texi: Add cpu_type power6.
11287 * config.gcc: Add cpu_type power6.
11288 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11289 to power5+ with Altivec.
11290 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11291 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11293 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11295 * config/avr/avr.h (SET_ASM_OP): Define.
11297 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11299 * config/bfin/bfin.c: Fix comment typos.
11301 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11304 * doc/install.texi: Document --enable-bootstrap and
11305 --disable-bootstrap.
11307 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11309 * doc/install.texi: Document that InfoZIP can replace jar.
11311 2006-05-31 Roger Sayle <roger@eyesopen.com>
11313 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11314 isn't available, directly generate the simpler x87 patterns without
11315 the (use (const_int 0)).
11316 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11317 implementation isn't available.
11318 (*negdf2_1): Likewise.
11319 (*negxf2_1): XF mode negation is always done using the x87.
11320 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11322 2006-05-31 Roger Sayle <roger@eyesopen.com>
11324 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11325 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11327 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11329 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11331 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11332 * config/bfin/bfin.c (basic-block.h): Include.
11333 (struct machine_function): New.
11334 (bfin_init_machine_status): New.
11335 (override_options): Initialize init_machine_status.
11336 (bfin_hardware_loop): New.
11337 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11338 (DEF_VEC_P (loop_info)): New.
11339 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11340 (struct loop_info): New.
11341 (loop_info): New typedef.
11342 (struct loop_work): New.
11343 (loop_work): New typedef.
11344 (DEF_VEC_O (loop_work)): New.
11345 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11346 (bfin_dump_loops): New.
11347 (bfin_bb_in_loop): New.
11348 (bfin_scan_loop): New.
11349 (bfin_optimize_loop): New.
11350 (bfin_reorg_loops): New.
11351 (bfin_reorg): Use bfin_reorg_loops.
11352 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11354 (I_REGNO_P): Simplify.
11355 (DP_REGNO_P, DPREG_P): New macros.
11356 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11357 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11358 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11359 Add LT_REGS, LC_REGS, LB_REGS.
11360 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11362 (REGNO_REG_CLASS): Deal with loop registers.
11363 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11365 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11366 New constants for loop registers.
11367 (UNSPEC_LSETUP_END): New.
11368 (seq_insns): New define_attr. Set it for appropriate insns.
11369 (movsi_insn): Add alternatives for move from/to
11370 loop count registers.
11371 (doloop_end): New define_expand.
11372 (loop_end): New define_insn.
11373 (define_split for bad doloop_end): New.
11374 (lsetup_with_autoinit): New define_insn.
11375 (lsetup_without_autoinit): New define_insn.
11376 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11377 * config/bfin/predicates.md (lc_register_operand): New.
11378 (lt_register_operand): New.
11379 (lb_register_operand): New.
11380 (nondp_register_operand): New.
11381 (nondp_reg_or_memory_operand): New.
11382 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11384 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11386 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11387 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11389 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11391 * Makefile.in (CATALOGS): Add po/ prefix.
11392 * configure: Regenerated.
11394 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11397 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11398 a shift operand before calling shift_op. Avoid redundant call of
11401 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11402 DJ Delorie <dj@redhat.com>
11404 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11405 we're inserting is a singlt-bit constant.
11407 2006-05-30 Roger Sayle <roger@eyesopen.com>
11409 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11410 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11412 2006-05-30 Roger Sayle <roger@eyesopen.com>
11414 PR tree-optimization/23452
11415 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11416 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11417 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11418 complex values and with -ffast-math for FP complex values.
11420 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11422 * c-common.h: Remove the prototype for yyparse.
11423 * rtl.h: Remove the prototype for init_loop.
11425 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11427 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11430 2006-05-30 Roger Sayle <roger@eyesopen.com>
11432 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11434 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11435 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11437 2006-05-30 Dirk Mueller <dmueller@suse.de>
11440 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11441 for CONSTANT_CLASS_P expresisons.
11443 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11446 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11448 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11450 PR tree-optimization/27779
11451 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11452 initial_condition instead of CHREC_LEFT.
11454 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11456 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11457 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11458 Make prototypes ISO C90.
11460 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11461 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11463 * see.c (see_analyze_one_def): Correct check.
11464 (see_get_extension_data): Check if extension is parallel.
11465 (see_get_extension_reg): Likewise.
11467 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11470 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11471 into register for (code == GTU).
11473 2006-05-29 Roger Sayle <roger@eyesopen.com>
11475 PR tree-optimization/24964
11476 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11477 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11478 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11479 abs(x)*abs(x) as x*x for scalar floating point modes.
11481 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11483 PR middle-end/27745
11484 * lambda-code.c (perfect_nestify): Don't copy statements
11485 in the inner loop: move them to the inner loop header.
11487 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11490 * c-tree.texi: Document OpenMP directives and clauses.
11492 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11494 * varasm.c (globalize_decl): Fix indentation.
11496 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11499 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11500 pass_fre, pass_store_ccp, pass_copy_prop,
11501 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11502 pass_return_slot, pass_object_size, pass_lim,
11503 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11504 pass_loop_prefetch and pass_stdarg.
11506 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11508 * config/bfin/bfin.opt (mfdpic): New option.
11509 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11510 (EXTRA_MULTILIB_PARTS): Likewise.
11511 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11512 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11514 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11515 (CRT_CALL_STATIC_FUNCTION): New.
11516 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11518 (CRT_CALL_STATIC_FUNCTION): New.
11519 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11521 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11522 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11523 (initialize_trampoline): Changed to handle FD-PIC code generation.
11524 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11525 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11526 (override_options): Disallow -mid-shared-library -mfdpic combination.
11527 Can't do unaligned ops if FD-PIC.
11528 Turn off flag_pic if trying to generate non-id-shared-library
11529 non-fdpic code, since it's not supported.
11530 (bfin_assemble_integer): New function.
11531 (TARGET_ASM_INTEGER): Define.
11532 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11534 * config/bfin/crtn.s: Restore them.
11535 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11537 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11538 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11539 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11540 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11541 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11543 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11544 FDPIC_REGS and FDPIC_FPTR_REGS.
11545 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11546 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11547 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11548 (load_funcdescsi): New pattern.
11549 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11550 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11551 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11553 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11555 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11558 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11560 * tree-flow.h: Remove the prototype for add_type_alias.
11561 * tree-ssa-alias.c (add_type_alias): Remove.
11563 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11565 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11566 config/fr30/fr30.md, config/i386/i386-interix.h,
11567 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11568 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11569 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11570 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11571 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11572 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11573 Follow spelling conventions.
11574 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11575 Follow spelling conventions.
11577 2006-05-27 Richard Guenther <rguenther@suse.de>
11579 PR middle-end/27773
11580 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11581 to produce a constant of value 1 of generic type.
11583 2006-05-27 Dirk Mueller <dmueller@suse.de>
11585 * cgraphunit.c (decide_is_function_needed): Fix wrong
11588 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11590 PR rtl-optimization/27661
11591 * reload.c (find_reloads): When reloading a VOIDmode constant
11592 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11593 use Pmode as mode of the reload register.
11595 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11597 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11598 is enabled at -O and above.
11600 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11603 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11606 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11609 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11610 for anonymous variables explicitly declared by front ends.
11612 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11614 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11615 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11616 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11617 ref-all pointers, run a finalization pass for them.
11618 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11619 (finalize_ref_all_pointers): New function.
11620 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11621 regular pointer type to a ref-all pointer type.
11622 (get_tmt_for): Return the special memory tag for ref-all pointers.
11624 2006-05-25 Richard Guenther <rguenther@suse.de>
11626 PR middle-end/27743
11627 * fold-const.c (fold_binary): Do not look at the stripped
11628 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11630 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11632 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11633 for LT and GT if the computed range is effectively empty.
11635 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11638 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11639 mips_quad_format formats instead of ieee_single_format,
11640 ieee_double_format and ieee_quad_format formats, respectively.
11642 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11644 PR tree-optimization/27639
11645 PR tree-optimization/26719
11646 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11647 call to scev_probably_wraps_p.
11648 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11649 used_in_pointer_arithmetic_p, convert_step): Removed.
11650 (nowrap_type_p): New function.
11651 (scev_probably_wraps_p): Rewritten.
11652 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11653 chrec_convert if chrec_convert_aggressive might have been used.
11654 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11655 scev_direction): New functions.
11656 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11657 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11658 instead of convert_step.
11659 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11660 (convert_step): Declaration removed.
11661 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11663 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11665 * df-core.c: Added to header comments.
11666 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11667 df_ur_bb_info, df_urec_bb_info): Added comments.
11668 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11669 urec, ri problems): Fixed header comments.
11670 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11671 code from df_rd_transfer_function.
11673 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11675 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11676 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11677 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11679 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11681 * expr.c (undefined_operand_subword_p): New.
11682 (emit_move_multi_word): Do not generate move from undefined bits
11683 of a paradoxical subreg.
11685 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11687 PR rtl-optimization/27736
11688 * combine.c (replaced_rhs_value): New variable.
11689 (combine_instructions): Set it.
11690 (distribute_notes): When distributing a note in replaced_rhs_insn,
11691 check whether the value was used in replaced_rhs_value.
11693 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11696 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11697 add_referenced_var instead of add_referenced_tmp_var.
11698 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11699 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11700 add_referenced_var.
11701 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11702 tree_optimize_tail_calls_1): Use add_referenced_var.
11703 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11704 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11705 Use add_referenced_var.
11706 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11707 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11708 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11709 Use add_referenced_var.
11710 * tree-dfa.c (struct walk_state): Remove.
11711 (find_referenced_vars): Remove walk state and vars_found hash table.
11712 (make_rename_temp): Use add_referenced_var.
11713 (find_vars_r): Pass less parameters to add_referenced_var.
11714 (referenced_var_p): New. Is var in referenced_var hash table.
11715 (referenced_var_insert): Assert var isn't already in hash table.
11716 (add_referenced_var): Don't need walk_state parameter. Add var if it
11717 isn't already in the hash table.
11718 (add_referenced_tmp_var): Remove.
11719 (find_new_referenced_vars_1): Use add_referenced_var.
11720 * tree-ssa-pre.c (create_expression_by_pieces,
11721 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11722 Use add_referenced_var.
11723 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11724 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11725 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11726 add_referenced_var.
11727 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11728 vect_create_data_ref_ptr, vect_create_destination_var,
11729 vect_init_vector, vect_build_loop_niters,
11730 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11731 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11732 Use add_referenced_var.
11733 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11734 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11735 (add_referenced_var): Add prototype.
11736 * tree-ssa-structalias.c (get_constraint_for,
11737 intra_create_variable_infos): Use add_referenced_var.
11739 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11741 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11742 big-endian paradoxical subregs.
11743 * var-tracking.c (struct micro_operation_def): Document that,
11744 for modify micro operations, insn is the subsequent instruction.
11745 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11746 (var_reg_set, var_mem_set): ... new functions.
11747 (add_stores): Record subsequent insn.
11748 (compute_bb_dataflow): Use new functions for MO_USE.
11749 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11750 notes after the insn, and modify notes before the insn known
11751 to be the subsequent one.
11752 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11754 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11757 * config/i386/i386.c (ix86_expand_builtin): Use
11758 gen_sse3_monitor64 for TARGET_64BIT.
11760 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11762 PR rtl-optimization/26375
11763 PR rtl-optimization/26855
11764 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11766 (df_ru_bb_local_compute): Reversed statements and removed bogus
11767 comment explaining why they should be in wrong order.
11768 (df_ru_dump, df_rd_dump): Enhanced debug info.
11769 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11771 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11772 reaching uses and fixed space problem.
11774 2006-05-23 Jan Hubicka <jh@suse.cz>
11776 * cgraphunit.c (decide_is_function_needed): Also nested functions
11777 and functions declared inline can be optimized out at -O0.
11779 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11781 * doc/install.texi (Configuration): Remove reference to CrossGCC
11782 FAQ which was gone.
11785 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11788 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11789 ix86_compare_emitted is non-NULL.
11791 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11794 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11797 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11799 PR rtl-optimization/25514
11800 * combine.c (replaced_rhs_insn): New variable.
11801 (combine_instructions): Set replaced_rhs_insn when trying to replace
11802 a SET_SRC with a REG_EQUAL note.
11803 (distribute_notes): Use replaced_rhs_insn when determining the live
11804 range of a REG_DEAD register.
11806 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11807 Anatoly Sokolov <aesok@post.ru>
11809 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11810 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11811 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11812 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11813 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11814 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11815 at90usb647, at90usb1286 and at90usb1287 devices.
11816 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11817 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11819 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11821 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11823 2006-05-22 Richard Guenther <rguenther@suse.de>
11826 2006-01-31 Richard Guenther <rguenther@suse.de>
11827 Paolo Bonzini <bonzini@gnu.org>
11829 * doc/install.texi (--disable-libgcc-math): Document.
11831 2006-05-22 Richard Guenther <rguenther@suse.de>
11834 2006-01-31 Richard Guenther <rguenther@suse.de>
11836 * doc/invoke.texi (-msselibm): Document.
11837 * target.h (expand_library_builtin): New target hook.
11838 * builtins.c (expand_builtin): Use expand_library_builtin.
11839 (default_expand_library_builtin): New function.
11840 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11841 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11842 (link_gcc_math_spec): Declare.
11843 (static_specs): Add link_gcc_math_spec.
11844 * expr.h (default_expand_library_builtin): Declare.
11845 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11846 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11847 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11848 * config/i386/i386.opt (msselibm): New target option.
11849 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11850 (ix86_init_sse_abi_builtins): New function.
11851 (ix86_expand_library_builtin): Likewise.
11852 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11853 (override_options): Handle error conditions wrt -msselibm.
11854 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11855 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11856 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11859 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11862 * c-common.c (self_promoting_args_p): Skip erroneous args.
11865 * c-decl.c (finish_struct): Skip erroneous fields.
11867 2006-05-22 Nick Clifton <nickc@redhat.com>
11869 * config/cris/cris.opt (march): Remove VarExists attribute.
11870 (max-stackframe=): Likewise.
11872 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11874 * doc/rtl.texi: Fix a typo.
11875 * see.c: Fix comment typos.
11877 * tree-ssa-structalias.h (alias_info): Remove num_references.
11879 2006-05-21 Mike Stump <mrs@apple.com>
11881 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11883 (darwin_pragma_options): Use BAD instead.
11884 (darwin_pragma_unused): Likewise.
11885 (darwin_pragma_ms_struct): Likewise.
11887 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11889 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11891 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11893 PR rtl-optimization/27671
11894 * simplify-rtx.c (simplify_relational_operation_1): Fix
11895 simplifications of (eq/ne (xor x y) y) and
11896 (eq/ne (xor x y) x).
11898 PR tree-optimization/26622.
11899 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11902 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11904 * tree-cfg.c: Prune whitespace.
11905 (debug_tree_cfg): Point to correct header containing the
11908 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11910 PR middle-end/25776
11911 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11913 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11915 PR middle-end/25776
11916 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11917 or sorry count is non zero.
11919 2006-05-20 Andreas Schwab <schwab@suse.de>
11921 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11923 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11924 Kenneth Zadeck <zadeck@naturalbridge.com>
11926 PR rtl-optimization/26855
11928 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11930 (df_scan_alloc): Added code to properly handle multiword hard
11931 registers and add all_blocks parameter.
11932 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11933 code to properly handle multiword hard registers.
11934 (df_rescan_blocks): Added code to remove deleted blocks from
11936 (df_ref_create_structure, df_ref_record): Added code to properly
11938 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11939 and set DF_REF_PARTIAL.
11940 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11941 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11942 (df_scan_add_problem): Added flags parameter.
11943 (df_ref_create_structure): Changed switching structure.
11944 (df_bb_refs_record): Fixed case where duplicate artificial refs
11945 were created. Changed location of flags.
11946 (df_record_entry_block_defs): Added code to make stack pointer
11947 live in entry block. Refined cases where frame pointer is needed.
11948 Changed location of flags.
11949 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11950 (df_set_state): Removed function.
11951 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11952 df_insn_create_insn_record, df_insn_refs_delete,
11953 df_ref_create_structure): Formatting changes.
11954 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11955 df_delete_basic_block): New function.
11956 (df_init): Changed location of flags.
11957 (df_add_problem): Added flags parameter and the way flags are
11959 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11960 debug_df_chain): Improved debugging output.
11961 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11962 (df_refs_chain_dump): Removed df parameter.
11963 (df_iterative_dataflow): Added consistency check.
11964 (df_prune_to_subcfg): Made public.
11965 (df_analyze_problem): Added blocks_to_init parameter and made
11967 (df_ref_record, df_bb_refs_record, df_mark_reg,
11968 df_record_exit_block_uses): Whitespace changes.
11969 (df_dump): Whitespace changes.
11970 * df.h: Some reordering to remove forward references.
11971 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11972 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11973 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11974 (dataflow.flags): New field.
11975 (df.flag): Deleted field.
11976 (df_alloc_function): Added additional bitmap parameter.
11977 (df_dependent_problem_function): New type.
11978 (df_problem.changeable_flags): New field.
11979 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
11980 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
11981 (df_mw_hardreg): New struct.
11982 (DF_INSN_UID_MWS): New macro.
11983 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
11985 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
11986 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
11987 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
11988 (df_set_state): Removed function.
11989 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
11990 * df-problems.c (df_chain_dump): Removed df parameter.
11991 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
11992 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
11994 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
11995 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
11996 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
11997 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
11998 DF_REF_MUST_CLOBBER cases.
11999 (df_ru_bb_local_compute_process_def,
12000 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12001 df_lr_bb_local_compute, df_ur_bb_local_compute,
12002 df_chain_create_bb): Made subreg aware.
12003 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12004 df_lr_bb_local_compute, df_lr_bb_local_compute,
12005 df_chain_create_bb): Cleanup to use proper macros.
12006 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12007 code to fixup bitvectors.
12008 (df_ri_alloc): Cleared lifetime.
12009 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12010 df_create_unused_note): New function.
12011 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12012 REG_DEAD and REG_UNUSED notes as well as register information.
12013 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12014 df_chains_dump): Fixed crash if problem was never run.
12015 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12016 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12017 df_ri_add_problem): Processes flags in uniform manner.
12018 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12019 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12020 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12021 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12022 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12023 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12024 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12025 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12026 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12027 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12028 * see.c (see_initialize_data): Ditto.
12029 * final.c (rest_of_clean_state) Added regstack_completed.
12030 * rtl.h (regstack_completed): Ditto.
12031 * reg-stack.c (regstack_completed): Ditto.
12033 2006-05-19 Mike Stump <mrs@apple.com>
12035 * c-tree.h (default_conversion): Remove.
12036 * c-common.h (default_conversion): Add.
12038 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12040 * tree-vrp.c (valid_value_p): New function.
12041 (adjust_range_with_scev): Fail if the value of bound is not
12044 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12046 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12047 (mips_fallback_frame_state): Use syscall numbers to determine
12048 the appropriate li instruction for the current ABI. Only use
12049 __NR_sigreturn for o32.
12051 2006-05-19 Nicolas Setton <setton@adacore.com>
12053 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12054 * langhooks.c (lhd_dwarf_name): New function.
12055 * langhooks-def.h (lhd_dwarf_name): Declare.
12056 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12057 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12059 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12061 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12063 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12064 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12065 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12066 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12067 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12068 determine the size of Wtype, etc.
12069 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12070 (swfloatfuncs): New variable.
12071 (dwfloatfuncs): Likewise.
12072 (lib2funcs): Remove floating-point conversion functions from
12073 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12074 the set of conversion routines needed. Allow entries to specify
12075 an object name, filename and word size. Update users accordingly.
12076 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12077 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12081 2006-02-08 Roger Sayle <roger@eyesopen.com>
12084 * config/fixtfdi.c: New libgcc source file.
12085 * config/fixunstfdi.c: New source file.
12086 * config/floatditf.c: New source file.
12087 * config/floatunditf.c: New souce file.
12088 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12089 files above instead of config/mips/_tilib.c.
12090 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12092 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12094 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12095 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12097 2006-05-18 Mike Stump <mrs@apple.com>
12099 Fix up vla, vm and [*] sematics.
12105 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12106 (c_vla_unspec_p): Add.
12107 (c_vla_type_p): Add.
12108 * c-decl.c (struct c_scope): Add had_vla_unspec.
12109 (build_array_declarator): Add support for [*].
12110 (grokdeclarator): Likewise.
12111 (grokparms): Likewise.
12112 (get_parm_info): Likewise.
12113 * c-objc-common.c (c_vla_unspec_p): Likewise.
12114 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12115 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12116 typeof when argument is a variably modified type not inside sizeof or alignof.
12117 (c_parser_direct_declarator_inner): Propagate errors.
12118 (c_parser_sizeof_expression): Add support for [*].
12119 (c_parser_parms_declarator): Initialize had_vla_unspec.
12120 (c_parser_parms_list_declarator): Likewise.
12121 * c-typeck.c (c_vla_type_p): Add.
12122 (composite_type): Add support for vla compositing.
12123 (comptypes_internal): Add support for vla compatibility.
12124 (c_expr_sizeof_expr): Evaluate vla arguments.
12125 * tree.c (variably_modified_type_p): Update comment for [*].
12127 2006-05-18 Michael Matz <matz@suse.de>
12130 * config.host: Make assignments to host_xmake_file cumulative.
12131 * config.host (*-darwin*): Test $host, not $target.
12133 2006-05-12 Stuart Hastings <stuart@apple.com>
12135 * config/i386/i386.opt (-mstackrealign): New flag.
12136 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12137 (ix86_handle_cconv_attribute): Emit error when
12138 force_align_arg_pointer attribute collides with too many regparms.
12139 (ix86_function_regparm): Limit regparms when used with
12140 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12141 Support stack-realigning prologue in non-main functions. Emit
12142 warning for nested functions under -mstackrealign, emit error for
12143 nested functions with force_align_arg_pointer attribute.
12144 * doc/extend.texi (force_align_arg_pointer): Document it.
12145 * doc/invoke.texi (-mstackrealign): Document it.
12147 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12149 PR rtl-optimization/27477
12150 * combine.c (try_combine): Don't split a parallel consisting
12151 of two sets into two individual sets if both sets reference
12154 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12156 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12157 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12159 * doc/options.texi (VarExists): Updated.
12161 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12163 * unwind-dw2.c: Add declarations for uw_update_context and
12164 uw_frame_state_for.
12165 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12166 detected, advance frame state and context once to skip over stub.
12168 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12170 PR middle-end/20256
12171 PR middle-end/26435
12172 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12173 Call rewrite_into_loop_closed_ssa only when something changed.
12174 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12175 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12176 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12177 Test for perfect_nest_p here. Fix formating.
12178 (replace_uses_equiv_to_x_with_y): Fix formating.
12179 (stmt_uses_op): Removed.
12180 (can_convert_to_perfect_nest): Removed loopivs parameter.
12181 Complete the test by checking the scalar dependences.
12182 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12185 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12188 From Dan Kegel <dank@kegel.com>:
12189 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12191 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12193 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12194 if the element type is variably modified without recursing.
12196 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12198 PR middle-end/27332
12199 * tree-loop-linear.c (try_interchange_loops): Test for
12200 no data dependences.
12202 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12204 PR tree-optimization/27548
12205 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12206 range of ssa names that appear on abnormal edges.
12207 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12208 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12210 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12212 PR middle-end/27620
12213 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12215 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12217 PR middle-end/27415
12218 * tree.h (OMP_PARALLEL_COMBINED): Define.
12219 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12220 (new_omp_context): Add is_combined_parallel argument.
12221 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12222 new_omp_context caller.
12223 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12224 Adjust gimplify_scan_omp_clauses callers.
12225 (omp_is_private): Issue errors if iteration variable is firstprivate
12226 or reduction in the current context.
12227 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12228 on combined parallel workshare constructs.
12230 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12232 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12233 (gcc-options.o): New rule.
12235 * optc-gen.awk: Protect variables for gcc-options.o with
12236 #ifdef GCC_DRIVER/#endif.
12238 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12240 Fix PR tree-optimization/27373
12241 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12242 (forward_propagate_addr_expr): Update call.
12244 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12246 * doc/options.texi: Move the Negative option.
12248 2006-05-16 Richard Guenther <rguenther@suse.de>
12250 PR tree-optimization/22303
12251 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12253 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12254 ccp_fold did not simplify the statement.
12256 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12259 * Makefile.in (GCC_OBJS): New.
12260 (OBJS-common): Add opts-common.o.
12261 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12262 (cpp$(exeext)): Likewise.
12263 (gcc.o): Also depend on opts.h.
12264 (opts-common.o): New.
12266 * common.opt (gcoff): Add Negative(gdwarf-2).
12267 (gdwarf-2): Add Negative(gstabs).
12268 (gstabs): Add Negative(gstabs+).
12269 (gstabs+): Add Negative(gvms).
12270 (gvms): Add Negative(gxcoff).
12271 (gxcoff): Add Negative(gxcoff+).
12272 (gxcoff+): Add Negative(gcoff).
12273 * config/i386/i386.opt (m32): Add Negative(m64).
12274 (m64): Add Negative(m32).
12276 * doc/options.texi: Document the Negative option.
12278 * gcc.c: Include "opts.h".
12279 (main): Call prune_options after expandargv.
12281 * optc-gen.awk: Generate common declarations for all flag
12282 variables in options.c. Output the neg_index field.
12284 * opts.c (find_opt): Moved to ...
12285 * opts-common.c: Here. New file.
12287 * opts.h (cl_option): Add a neg_index field.
12289 (prune_options): Likewise.
12291 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12293 PR middle-end/27573
12294 * omp-low.c (expand_omp_parallel): Don't assert
12295 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12296 instead search for it.
12299 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12302 2006-05-16 Andreas Schwab <schwab@suse.de>
12304 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12307 2006-05-15 Roger Sayle <roger@eyesopen.com>
12310 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12311 integer constants other than zero are only legitimate on TARGET_64BIT.
12312 <CONST_VECTOR> Only zero vectors are legitimate.
12313 (ix86_cannot_force_const_mem): Integral and vector constants can
12314 always be put in the constant pool.
12316 2006-05-16 DJ Delorie <dj@redhat.com>
12318 * crtstuff.c (__dso_handle): Set section from
12319 TARGET_LBIGCC_SDATA_SECTION if defined.
12320 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12321 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12323 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12326 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12329 2006-05-16 Ben Elliston <bje@au.ibm.com>
12331 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12333 2006-05-15 Per Bothner <per@bothner.com>
12335 * tree.c: (last_annotated_node): Use source_locus typedef.
12336 This permits bootstrapping with --enable-mapped-location.
12338 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12340 PR tree-optimization/26830
12341 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12342 (info_for_ssa_name, current_info_for_ssa_name_age,
12343 blocks_to_update): New variables.
12344 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12345 (clear_ssa_name_info, initialize_flags_in_bb,
12346 mark_block_for_update): New functions.
12347 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12348 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12349 prepare_def_site_for): Use mark_block_for_update.
12350 (mark_def_interesting): Assert that the processed block is marked in
12351 blocks_to_update. Do not take blocks argument.
12352 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12354 (rewrite_update_init_block, rewrite_update_stmt): Only process
12355 blocks with statements to rewrite.
12356 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12357 (update_ssa): Initialize and free blocks_to_update. Do not
12358 clear flags on statements. Do not use blocks bitmap.
12359 * tree.h (SSA_NAME_AUX): Removed.
12360 (struct tree_ssa_name): Removed aux field.
12361 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12363 2006-05-15 Richard Guenther <rguenther@suse.de>
12365 PR tree-optimization/27603
12366 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12367 Do computations in original type.
12369 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12371 * see.c: Code style changes such as redundant paranthesis,
12372 redundant intialization of local variables etc.
12373 (see_main): Declared now as static.
12374 * doc/invoke.texi: Update that -fsee is not enabled by
12377 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12379 * omp-low.c (check_omp_nesting_restrictions): New function.
12380 (scan_omp_1): Call it.
12382 PR middle-end/27416
12383 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12384 construct, return *VAR.
12386 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12388 PR rtl-optimization/27406
12389 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12392 2006-05-14 Roger Sayle <roger@eyesopen.com>
12394 PR rtl-optimization/27538
12395 * combine.c (expand_compound_operation): Call gen_lowpart
12396 before calling simplify_shift_const.
12398 2006-05-14 Roger Sayle <roger@eyesopen.com>
12400 PR rtl-optimization/22563
12401 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12402 a fixed width bitfield, always force the intermediates into psuedos.
12404 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12407 * mkconfig.sh: Use operator = instead of == for test.
12409 2006-05-13 Nick Clifton <nickc@redhat.com>
12411 * dwarf2out.c (dbx_reg_number): Check return value from
12412 LEAF_REG_REMAP and only use it if it is valid.
12413 (multiple_reg_loc_descriptor): Likewise.
12415 2006-05-13 Richard Guenther <rguenther@suse.de>
12417 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12420 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12422 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12423 information attached to non-INSNs such as NOTEs.
12424 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12426 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12428 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12430 * config/s390/s390.md: Adjust comment describing On constraint.
12432 2006-05-11 Jan Hubicka <jh@suse.cz>
12434 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12435 to be output at -O0.
12437 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12439 PR middle-end/27384
12440 * fold-const.c (size_binop): Move sanity check for arguments to
12441 the beginning of the function.
12443 PR middle-end/27488
12444 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12447 2006-05-11 Richard Guenther <rguenther@suse.de>
12449 PR middle-end/27529
12450 * fold-const.c (fold_unary): Handle intermediate conversion
12451 to a pointer type like intermediate conversion to an integer
12452 type in folding of (T1)(T2)var to var.
12453 Match the code to the comment in the final conversion for
12454 (T1)(T2)var to (T1)var regarding to type precision. Rather
12455 than disallow T1 being of pointer type, assert that both T1
12456 and var are of pointer type or not. Make sure not to fall
12457 over the frontends lazyness wrt array to pointer decay though.
12459 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12461 * arm.c (arm_struct_value_rtx): Delete.
12462 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12463 (arm_init_cumulative_args): Always initialize nregs to zero.
12465 2006-05-10 Richard Guenther <rguenther@suse.de>
12467 PR tree-optimization/27532
12468 * tree-object-size.c (plus_expr_object_size): Fix typo.
12470 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12473 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12474 ashrdi_const, ashrdi3): Use a scratch register.
12476 2006-05-10 Richard Guenther <rguenther@suse.de>
12478 PR tree-optimization/27302
12479 * fold-const.c (operand_equal_p): For two comparisons,
12480 try comparison of one comparison code swapped if that yields
12483 2006-05-10 Ben Elliston <bje@au.ibm.com>
12485 * tree-pretty-print.c (pretty_print_string): No need to handle
12486 '\0' as a special character.
12488 * tree.h: Include "hashtab.h".
12489 (iterative_hash_expr): Use hashval_t in its prototype.
12490 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12492 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12495 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12496 (hppa*64*-*-hpux11*): Ditto.
12497 (hppa[12]*-*-hpux11*): Ditto.
12499 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12502 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12504 2006-05-09 Michael Matz <matz@suse.de>
12506 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12507 host_extra_gcc_objs and host_xmake_file.
12508 (<*-*-linux*>): Don't overwrite host_xmake_file.
12509 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12510 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12511 (host_detect_local_cpu): Declare.
12512 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12513 * config/i386/i386.c (override_options): Handle -mtune=native
12515 * config/i386/x-i386: New file.
12516 * config/i386/driver-i386.c: New file.
12517 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12520 2006-05-09 Dirk Mueller <dmueller@suse.de>
12521 Richard Guenther <rguenther@suse.de>
12523 PR middle-end/27498
12524 * fold-const.c (fold_read_from_constant_string): Relax check
12525 for matching types to matching modes.
12527 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12529 PR rtl-optimization/27335
12530 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12533 2006-05-08 Chao-ying Fu <fu@mips.com>
12534 Richard Sandiford <richard@codesourcery.com>
12536 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12537 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12538 * config/mips/mips.md (UNSPEC_SCC): New constant.
12539 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12540 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12541 (mips_emit_compare): Use it.
12542 (mips_expand_vcondv2sf): New function.
12544 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12546 Fix PR tree-optimization/27093
12547 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12548 renaming when they become not-used_alone.
12550 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12552 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12553 relocation and relocation stubs.
12555 2006-05-08 Eric Christopher <echristo@apple.com>
12557 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12560 2006-05-08 Jan Hubicka <jh@suse.cz>
12562 PR middle-end/24561
12563 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12564 unused static functions are needed.
12566 2006-05-08 Roger Sayle <roger@eyesopen.com>
12569 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12570 of a reg_equiv_constant if the result is a legitimate constant.
12572 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12575 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12576 standard 80387 constants, raise the cost to prevent
12577 compress_float_constant() to generate load from memory.
12579 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12581 * config/arm/constraints.md (c): Fix a typo.
12583 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12586 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12589 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12591 (_mm_mwait): Likewise.
12593 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12595 (sse3_monitor): Make it 32bit only.
12596 (sse3_monitor64): New. 64bit monitor.
12598 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12601 * config/i386/i386.c (classify_argument): Skip fields with invalid
12604 2006-05-07 Richard Guenther <rguenther@suse.de>
12606 PR tree-optimization/27409
12607 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12608 Do not try to find zero-sized subvars.
12610 2006-05-07 Richard Guenther <rguenther@suse.de>
12612 PR tree-optimization/27136
12613 * tree-ssa-loop-niter.c (get_val_for): Correct function
12614 comment, assert requirements.
12615 (loop_niter_by_eval): Stop processing if the iterated
12616 value did not simplify.
12618 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12620 * opts.c (flag_see): remove its setting at -O3.
12622 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12624 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12625 * arm/constraints.md: New file.
12626 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12627 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12628 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12629 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12630 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12631 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12632 * arm.md: Include constraints.md.
12633 (thumb_movsi_insn): Use satisfies_constraint_J.
12634 (movhi, movqi): Use satisfies_constraint_I.
12636 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12638 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12639 for atmeg a645 device.
12641 2006-05-06 Richard Guenther <rguenther@suse.de>
12643 PR tree-optimization/27151
12644 * tree-vect-transform.c (vectorizable_condition): Punt on
12645 values that have a different type than the condition.
12647 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12650 * c-parser.c (c_parser_cast_expression): Only insert casts into
12651 hash table if pointer.
12652 * function.c (used_types_insert_helper): Rename from
12654 (used_types_insert): Call used_types_insert_helper.
12655 * function.h (used_types_insert): Accept only one argument.
12657 2006-05-05 David Edelsohn <edesohn@gnu.org>
12659 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12660 scratch with output modifier.
12662 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12665 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12666 with output modifier.
12668 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12671 * config/mips/mips.c (mips_symbolic_address_p): Return true
12672 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12673 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12675 2006-05-04 Richard Guenther <rguenther@suse.de>
12677 PR tree-optimization/14287
12678 PR tree-optimization/14844
12679 PR tree-optimization/19792
12680 PR tree-optimization/21608
12681 PR tree-optimization/27090
12682 * tree-ssa-pre.c (try_combine_conversion): New function.
12683 (compute_avail): After constructing the value-handle
12684 expression, use try_combine_conversion to combine NOP_EXPRs
12685 with previous value-handle expressions and use the result if it
12688 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12690 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12692 2006-05-04 Jan Hubicka <jh@suse.cz>
12694 PR middle-end/25962
12695 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12697 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12699 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12700 that this only matches CONST_INTs. All users changed to VOIDmode
12703 * config/bfin/bfin.c: Include "optabs.h".
12704 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12706 (enum bfin_builtins): Add a number of fractional and vector builtins.
12707 (bfin_init_builtins): Likewise.
12708 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12709 (safe_vector_operand, bfin_expand_binop_builtin,
12710 bfin_expand_unop_builtin): New functions.
12711 (bfin_expand_builtin): Handle the new builtins.
12712 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12715 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12718 * Makefile.in (OBJS-common): Add see.o.
12719 (see.o): Add dependencies.
12720 * common.opt (fsee): New flag for the see optimization was added.
12721 * opts.c (flag_see): Initialized.
12722 * passes.c (init_optimization_passes, pass_see): New pass.
12723 * rtl.h (see_main): Declaration as extern.
12724 * timevar.def (TV_SEE): New.
12725 * tree-pass.h (pass_see): Declaration as extern.
12726 * invoke.texi (-fsee): Document.
12727 * recog.c (validate_simplify_insn): New function.
12728 * recog.h (validate_simplify_insn): Declaration as extern.
12729 * df-problems.c (df_chain_dump): Check for NULL.
12731 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12732 Daniel Berlin <dberlin@dberlin.org>
12734 * cfgrtl.c (insert_insn_bb_end_new): New function.
12735 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12737 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12739 * df.h (struct web_entry): Moved from web.c.
12740 (union_defs): Declaration as extern.
12741 (unionfind_root): Likewise.
12742 (unionfind_union): Likewise.
12743 * web.c (struct web_entry): Moved to df.h.
12744 (unionfind_root): Remove static declaration.
12745 (unionfind_union): Likewise.
12746 (union_defs): Likewise and generalize to use callback function.
12747 (web_main): Update arguments for union_defs function call.
12749 2006-05-04 Richard Guenther <rguenther@suse.de>
12751 PR tree-optimization/26447
12752 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12753 produce SSA_NAME copies before the store stmt to avoid
12754 breaking exception handling.
12756 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12758 PR middle-end/27388
12759 * gimplify.c (omp_is_private): If var is shared in some outer context,
12760 return false instead of true. Stop searching on parallel context
12763 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12766 * coverage.c: Use get_gcov_unsigned_t() instead of
12767 unsigned_type_node all over.
12769 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12771 PR tree-optimization/27381
12772 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12773 maintain the same immediate_use links.
12774 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12775 node rather than segfaulting.
12777 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12780 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12781 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12782 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12784 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12786 Fix PR tree-optimization/26626
12787 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12789 * tree-ssa-operands.c (access_can_touch_variable): Allow
12790 typecasting through union pointers.
12792 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12795 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12796 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12797 to find if var will be a global variable even in the nested context.
12798 (omp_copy_decl): Only check for global variable at the end, it might
12799 be overridden in outer contexts.
12800 (scan_sharing_clauses): For global variables don't create a field.
12801 (lower_rec_input_clauses): Do nothing for global shared variables.
12802 Emit a barrier at the end of ILIST if there were any decls in both
12803 firstprivate and lastprivate clauses.
12804 (lower_send_clauses): Do nothing for global variables except for
12807 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12809 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12810 of the correct signedness is returned.
12812 2006-05-02 Jeff Law <law@redhat.com>
12814 PR tree-optimization/27364
12815 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12816 multiply expressions.
12818 2006-05-02 Tom Tromey <tromey@redhat.com>
12820 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12822 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12825 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12826 -mthumb -fPIC are used.
12828 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12829 Joshua Kinard <kumba@gentoo.org>
12832 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12833 with 64-bit pointers.
12835 2006-05-02 Paul Brook <paul@codesourcery.com>
12837 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12839 (create_fix_barrier): Check that a suitable barrier location is
12841 (arm_reorg): Include ftmp->address in allowable range of addresses.
12843 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12846 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12849 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12851 PR middle-end/27337
12852 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12853 around RESULT_DECL for result passed by reference.
12854 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12855 * omp-low.c (use_pointer_for_field): Don't look at
12856 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12857 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12858 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12859 time or var for passing by reference for
12860 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12861 TREE_ADDRESSABLE variables when passing by reference.
12863 * omp-low.c (dump_omp_region): Fix output formatting.
12865 PR middle-end/27328
12866 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12867 (expand_omp_parallel): Likewise.
12868 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12870 PR middle-end/27325
12871 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12872 on statement list containing also constructors and destructors.
12873 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12875 PR middle-end/27310
12876 * except.c (duplicate_eh_regions): Fix clearing of
12877 cfun->eh->region_array entries.
12879 2006-05-01 DJ Delorie <dj@redhat.com>
12881 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12883 (gcc_cv_objdump): Likewise.
12884 * configure: Regenerated.
12886 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12889 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12890 templates for case 3 and 4.
12892 2006-05-01 DJ Delorie <dj@redhat.com>
12894 * vec.c: Include bconfig.h when appropriate.
12895 * Makefile.in (build/vec.o): Adjust dependencies.
12896 * mkconfig.sh: Make sure config.h isn't used for build machine
12899 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12901 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12903 (mark_phi_for_rewrite): New function.
12904 (insert_phi_nodes_for, mark_use_interesting): Call
12905 mark_phi_for_rewrite.
12906 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12907 (update_ssa): Initialize and free phis_to_rewrite.
12909 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12911 PR rtl-optimization/27291
12912 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12913 folded to a constant.
12915 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12917 PR tree-optimization/27283
12918 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12919 not whole # of iteration descriptions.
12920 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12921 uses abnormal ssa name.
12922 (niter_for_single_dom_exit): Ditto.
12923 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12924 return just the number of iterations.
12926 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12928 PR tree-optimization/27144
12929 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12930 (record_estimate): Only record constant upper bound.
12931 (infer_loop_bounds_from_undefined): Call
12932 compute_estimated_nb_iterations just once.
12933 (proved_non_wrapping_p): Renamed to ...
12934 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12935 (convert_step_widening, scev_probably_wraps_p): Call
12936 n_of_executions_at_most instead of proved_non_wrapping_p.
12937 (substitute_in_loop_info): Do not replace values in bounds.
12938 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12941 2006-05-01 Richard Henderson <rth@redhat.com>
12944 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12945 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12948 2006-05-01 Roger Sayle <roger@eyesopen.com>
12950 * c-typeck.c (parser_build_binary_op): Don't call the function
12951 unsigned_conversion_warning to spot operand/result type overflow.
12952 (build_binary_op): Instead, call convert_and_check instead of
12953 convert to report the problem when the operands are promoted.
12954 * c-common.c (unsigned_conversion_warning): Make static.
12955 * c-common.h (unsigned_conversion_warning): Delete prototype.
12957 2006-05-01 Richard Guenther <rguenther@suse.de>
12959 PR tree-optimization/26726
12960 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12962 (find_interesting_uses_address): ... we work around here
12963 by folding INDIRECT_REFs in the substituted base.
12965 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12967 * omp-low.c (dump_omp_region): Add newlines.
12969 2006-04-30 Roger Sayle <roger@eyesopen.com>
12971 * common.opt (Woverflow): New command line option.
12972 * c-common.c (constant_expression_warning): Check warn_overflow.
12973 (overflow_waring): Pass OPT_Woverflow to warning.
12974 (unsigned_conversion_warning): Likewise.
12975 (convert_and_check): Likewise.
12976 * doc/invoke.texi: Document new command line option.
12978 2006-04-30 David Edelsohn <edelsohn@gnu.org>
12980 * config/rs6000/rs6000.c (rs6000_override_options): Enable
12981 TARGET_NO_FP_IN_TOC for section anchors.
12982 (optimization_options): Enable section anchors for all
12983 non-"Objective" languages.
12985 2006-04-28 Eric Christopher <echristo@apple.com>
12987 * config/darwin-c.c (darwin_ms_struct): Move this
12988 (darwin_set_default_type_attributes): and this...
12989 * config/darwin.c: ... here.
12990 * config/darwin.h (darwin_ms_struct): Declare.
12992 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
12994 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
12996 2006-04-28 Roger Sayle <roger@eyesopen.com>
12999 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13000 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13001 an unsigned HOST_WIDE_INT.
13002 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13004 (really_start_incremental_init): No need to call convert because
13005 bitsize_zero_node is already of type bitsizetype.
13006 (push_init_level): Extract the value of constructor_index as an
13007 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13008 (process_init_element): Likewise.
13010 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13012 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13013 value before passing to make_relative_prefix.
13015 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13017 PR middle-end/27260
13018 * builtins.c (expand_builtin_memset): Expand val in original mode.
13020 2006-04-27 Eric Christopher <echristo@apple.com>
13022 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13023 with #ifndef/#endif.
13024 * config/darwin-c.c (darwin_ms_struct): New.
13025 (darwin_pragma_ms_struct): Ditto.
13026 (darwin_set_default_type_attributes): Ditto.
13027 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13028 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13029 Register ms_struct pragma.
13030 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13031 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13032 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13033 darwin_set_default_type_attributes if TARGET_MACHO.
13035 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13037 PR tree-optimization/26854
13038 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13039 * doc/tree-ssa.texi: Update immuse iterator documentation.
13040 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13041 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13042 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13043 first_safe_imm_use, next_safe_imm_use): Remove.
13044 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13045 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13046 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13047 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13048 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13049 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13050 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13051 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13052 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13053 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13054 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13055 (perfect_nestify): Use new iterator.
13056 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13058 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13059 (next_imm_name): New field in struct immediate_use_iterator_d.
13060 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13061 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13062 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13063 * tree-cfg.c (replace_uses_by): Use new iterator.
13064 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13065 * tree-ssa-operands.c (correct_use_link): Remove.
13066 (finalize_ssa_use_ops): No longer call correct_use_link.
13068 2006-04-27 Stuart Hastings <stuart@apple.com>
13070 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13071 * config/t-darwin (crt3.o): Use it.
13072 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13073 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13074 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13075 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13076 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13079 2006-04-27 Roger Sayle <roger@eyesopen.com>
13081 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13082 size, force the intermediate into a new pseudo rather instead of
13083 performing both a bitwise AND and a bitwise IOR in memory.
13085 2006-04-27 Richard Guenther <rguenther@suse.de>
13087 PR rtl-optimization/26685
13088 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13089 this one "max-flow-memory-locations".
13091 2006-04-27 Richard Guenther <rguenther@suse.de>
13093 PR tree-optimization/25148
13094 * tree-vrp.c (compare_values): Remove code dealing with
13095 comparisons against type min/max value. Honour overflow
13096 and negative constants in code dealing with comparisons
13097 of plus and minus expressions.
13098 (value_inside_range): Use fold_binary with LE_EXPR and
13099 GE_EXPR rather than compare_values.
13101 2006-04-27 Dirk Mueller <dmueller@suse.de>
13103 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13106 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13108 * basic-block.h (safe_insert_insn_on_edge): Removed.
13109 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13111 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13112 Paolo Bonzini <bonzini@gnu.org>
13114 PR middle-end/27282
13115 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13116 (simplify_and_const_int): Same.
13118 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13120 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13122 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13125 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13126 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13127 cgraph_global_info_ready.
13129 PR middle-end/26913
13130 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13133 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13134 either decl or init is error_mark_node.
13136 PR middle-end/25989
13137 * tree-flow.h (struct omp_region): Add sched_kind.
13138 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13139 instead of extracting omp for data.
13140 (expand_omp_for): Save extracted sched_kind.
13142 2006-04-25 Roger Sayle <roger@eyesopen.com>
13144 * expmed.c (store_bit_field): Also check whether the bitsize is
13145 valid for the machine's "insv" instruction before moving the
13146 target into a pseudo for use with the insv.
13147 * config/i386/predicates.md (const8_operand): New predicate.
13148 * config/i386/i386.md (extv, extzv, insv): Use the new
13149 const8_operand predicate where appropriate.
13151 2006-04-25 DJ Delorie <dj@redhat.com>
13153 * doc/install.texi (Specific): Clarify that this is not a list of
13154 supported hosts or targets.
13156 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13158 PR rtl-optimization/26725
13159 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13160 block's BB_DIRTY flag.
13162 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13164 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13167 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13168 to print an integer.
13170 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13172 * varasm.c (align_variable): New function.
13173 (get_block_for_decl): Apply align_variable to DECL before
13174 calculating section information.
13175 (assemble_variable): Split out alignment computation.
13177 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13179 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13182 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13184 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13185 MODE_PARTIAL_INT mode.
13186 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13187 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13189 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13190 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13192 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13194 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13196 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13197 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13198 MACFLAG_IH): Likewise.
13199 (movstricthi_1): Renamed from "*movstricthi".
13200 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13201 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13202 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13203 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13204 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13205 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13206 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13207 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13208 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13209 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13210 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13211 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13212 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13213 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13214 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13216 * doc/rtl.texi (ss_ashift): Improve wording.
13218 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13220 * dwarf2out.c (verify_marks_clear): New.
13221 (prune_unused_types): Call verify_marks_clear initially, not
13224 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13226 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13227 * doc/rtl.texi: Document them.
13228 * simplify-rtx.c (simplify_unary_operation,
13229 simplify_binary_operation_1): Don't abort when we see them.
13231 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13234 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13235 * configure.ac: Completely disregard languages that are not
13237 * configure: Regenerated.
13239 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13240 Richard Guenther <rguenther@suse.de>
13242 PR tree-optimization/27236
13243 * tree-inline.c (copy_body_r): Make sure to copy
13244 TREE_THIS_VOLATILE flag.
13246 2006-04-24 Richard Guenther <rguenther@suse.de>
13248 PR middle-end/26869
13249 * tree-complex.c (update_parameter_components): Don't handle
13250 unused parameters which have no default def.
13252 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13253 Richard Guenther <rguenther@suse.de>
13255 PR tree-optimization/27218
13256 * tree-inline.c (expand_call_inline): Strip useless type
13257 conversions for the return slot address.
13259 2006-04-24 Richard Guenther <rguenther@suse.de>
13261 * cfgloop.h (struct loops): Remove unused field array. Reorder
13263 (LOOP_PREFETCH): Remove.
13265 2006-04-24 Richard Guenther <rguenther@suse.de>
13267 PR tree-optimization/22525
13268 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13269 variable, adjust types of generated expressions.
13271 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13273 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13274 (tree-vect-patterns.o): Likewise.
13275 (jump.o): Likewise.
13276 (cselib.o): Likewise.
13277 (loop-doloop.o): Likewise.
13278 (regclass.o): Likewise.
13279 (reload1.o): Likewise.
13280 (explow.o): Replace target.h with $(TARGET_H).
13281 (ipa-prop.o): Likewise.
13282 (ipa-cp.o): Likewise.
13283 (ipa-inline.o): Likewise.
13284 (reorg.o): Likewise.
13285 (reg-stack.o): Likewise.
13287 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13289 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13291 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13293 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13295 * configure.ac: Completely disregard languages that are not
13297 * configure: Regenerated.
13300 * c-common.h (c_build_bitfield_integer_type): Declare.
13301 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13302 * c-common.c (c_build_bitfield_integer_type): ... here.
13304 2006-04-23 Roger Sayle <roger@eyesopen.com>
13307 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13308 a SImode SUBREG of a floating point register after no_new_pseudos.
13310 2006-04-23 Roger Sayle <roger@eyesopen.com>
13312 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13313 identify potentially eliminable registers to additionally catch
13314 VIRTUAL_INCOMING_ARGS_REGNUM.
13315 (addsi3): Update the conditions on when to use addsi_small_int.
13317 2006-04-23 Roger Sayle <roger@eyesopen.com>
13320 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13321 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13322 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13324 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13326 * fold-const.c (range_predecessor): Use operand_equal_p
13327 as the predicate for equality.
13328 (range_successor): Likewise.
13330 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13333 * config/soft-fp/op-common.h: Fix a typo.
13335 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13337 PR libmudflap/26864
13338 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13339 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13341 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13343 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13345 * doc/tm.texi: Fix a typo.
13347 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13349 * dwarf2out.c (struct die_struct): Document that die_sib makes
13350 a circular linked list.
13351 (FOR_EACH_CHILD): New.
13352 (reverse_die_lists): Delete.
13353 (reverse_all_dies): Delete.
13354 (add_dwarf_attr): Correct documentation.
13355 (remove_child_with_prev): New.
13356 (remove_child_TAG): Update for change to die_struct, use
13357 remove_child_with_prev.
13358 (add_child_die): Update for change to die_struct.
13359 (splice_child_die): Use remove_child_with_prev and add_child_die.
13360 (print_die): Use FOR_EACH_CHILD.
13361 (die_checksum): Likewise.
13362 (assign_symbol_names): Likewise.
13363 (output_location_lists): Likewise.
13364 (build_abbrev_table): Likewise.
13365 (calc_die_sizes): Likewise.
13366 (mark_dies): Likewise.
13367 (unmark_dies): Likewise.
13368 (unmark_all_dies): Likewise.
13369 (output_die): Likewise.
13370 (prune_unused_types_mark): Likewise.
13371 (prune_unused_types_walk): Likewise.
13372 (same_die_p): Update for change to die_struct.
13373 (break_out_includes): Likewise.
13374 (prune_unused_types_prune): Likewise.
13375 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13376 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13377 it's already clear.
13378 (dwarf2out_finish): Don't call reverse_all_dies.
13380 2006-04-21 Eric Christopher <echristo@apple.com>
13382 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13383 in comments and function names.
13385 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13388 * c-typeck.c (digest_init): Robustify.
13390 * c-typeck.c (pop_init_level): Simplify.
13392 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13394 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13396 2006-04-21 Paul Brook <paul@codesourcery.com>
13398 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13399 hardware floating point.
13401 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13403 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13406 2006-04-21 Nick Clifton <nickc@redhat.com>
13408 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13411 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13414 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13415 C++ lang type in traceback table for Objective-C++.
13417 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13419 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13421 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13423 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13426 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13427 were errors. Remove check for erroneous objects.
13429 2006-04-20 Jeff Law <law@redhat.com>
13431 PR tree-optimization/26854
13432 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13433 checking for zero or one use.
13434 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13435 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13436 * tree-ssa-reassoc.c (negate_value): Similarly.
13437 (reassociate_bb): Similarly.
13439 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13442 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13443 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13444 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13446 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13448 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13449 fp regs if the last fp arg doesn't fit in regs.
13451 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13454 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13455 that the last insn has the REG_INC note.
13457 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13458 Nathan Sidwell <nathan@codesourcery.com>
13461 * stor-layout.c (update_alignment_for_field): Do not align
13463 (place_union_field): Place union field at the start of the union.
13464 (place_field): Move ERROR_MARK check later, and use the current
13465 allocation position to maintain monotonicity.
13467 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13469 * dominance.c: Include timevar.h.
13470 (calculate_dominance_info): Use TV_DOMINANCE.
13471 * timevar.def (TV_DOMINANCE): New timevar.
13472 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13474 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13476 PR rtl-optimization/14261
13477 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13478 move would be an INSV insn.
13479 (noce_process_if_block): Don't optimize if the destination is a
13480 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13482 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13484 * config/s390/s390.md: Add comments with the instructions emitted
13485 by an insn pattern if macros are used.
13487 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13489 PR rtl-optimization/26026
13490 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13491 is a known power of two shifted left a variable amount.
13493 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13495 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13496 to hash table twice when the debug_str section has SECTION_MERGE.
13498 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13500 * config/soft-fp: New directory. From glibc.
13501 * config/soft-fp/t-softfp: New.
13502 * config/soft-fp/README: New.
13503 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13504 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13505 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13506 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13507 * config.gcc: Use rs6000/t-fprules-fpbit or
13508 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13510 * config/rs6000/sfp-machine.h: New. Based on glibc.
13511 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13513 * config/rs6000/t-fprules: Remove fp-bit rules.
13514 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13515 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13516 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13517 (softfp_wrap_start, softfp_wrap_end): New.
13519 2006-04-18 DJ Delorie <dj@redhat.com>
13521 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13523 2006-04-18 Devang Patel <dpatel@apple.com>
13525 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13527 2006-04-18 Nick Clifton <nickc@redhat.com>
13529 * config/sh/t-symbian: Add rule to build sh-c.o
13530 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13531 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13532 (sh_symbian_encode_section_info): Likewise.
13534 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13536 * builtins.c (expand_builtin_strcmp): Cover label definition of
13537 do_libcall with HAVE_cmpstrnsi.
13539 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13541 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13543 * function.h (temp_slot_p): New.
13544 (function): Change the type of x_used_temp_slots to
13545 VEC(temp_slot_p,gc) *.
13547 2006-04-18 Nick Clifton <nickc@redhat.com>
13549 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13550 flag_strength_reduce.
13552 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13554 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13558 Partial revert of revision 112637
13559 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13560 Dale Johannesen <dalej@apple.com>
13563 * regclass.c (struct reg_pref): Update documentation.
13564 (regclass): Set prefclass to NO_REGS if memory is the best option.
13565 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13567 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13569 PR tree-optimization/26821
13570 * tree-ssa-math-opts.c (get_constant_one): New.
13571 (insert_reciprocals): Use it.
13573 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13575 * dwarf2out.c (free_AT): Delete.
13576 (remove_AT): Update string ref counts.
13577 (remove_child_TAG): Don't call free_die.
13578 (free_die): Delete.
13579 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13580 or DW_TAG_GNU_EINCL.
13581 (prune_unused_types_walk_attribs): Reset string refcounts.
13582 (prune_unused_types_update_strings): New.
13583 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13584 call free_die. Do call prune_unused_types_update_strings.
13585 (prune_unused_types): Empty debug_str_hash.
13587 2006-04-17 Roger Sayle <roger@eyesopen.com>
13589 * expr.c (expand_assignment): Optimize away no-op moves where the
13590 source and destination are equal and have no side-effects.
13592 2006-04-17 Richard Guenther <rguenther@suse.de>
13595 * reload.c (push_reload): Guard calls to get_secondary_mem
13596 for memory subregs.
13598 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13600 * alias.c (reg_base_value, old_reg_base_value): Change the
13601 type to VEC(rtx,gc) *.
13602 (REG_BASE_VALUE, find_base_value, record_set,
13603 init_alias_analysis): Use VEC instead of VARRAY.
13605 * alias.c (alias_sets): Change the type to
13606 VEC(alias_set_entry,gc) *.
13607 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13608 VEC instead of VARRAY.
13609 (last_alias_set): Remove.
13611 * cgraph.h (cgraph_edge_p): New.
13612 Update the prototype of cgraph_function_versioning.
13613 * cgraphunit.c (cgraph_copy_node_for_versioning,
13614 cgraph_function_versioning): Use VEC instead of VARRAY.
13615 * ipa-cp.c (ipcp_insert_stage): Likewise.
13617 2006-04-16 Roger Sayle <roger@eyesopen.com>
13620 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13621 "A op B" or "A op C", we may need to convert A to the type of B and C.
13623 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13625 * target.h (struct gcc_target): Add mode_rep_extended.
13626 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13627 (init_num_sign_bit_copies_in_rep): Initialize it using
13629 (truncate_to_mode): Use it.
13630 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13631 * targhooks.h (default_mode_rep_extended): Declare it.
13632 * targhooks.c (default_mode_rep_extended): Define it.
13633 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13634 default_mode_rep_extended.
13635 (TARGET_INITIALIZER): Include it.
13636 * doc/tm.texi (Misc): Document it.
13637 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13638 (mips_truncated_to_mode): New function.
13640 2006-04-16 Roger Sayle <roger@eyesopen.com>
13642 PR middle-end/25474
13643 * expr.c (compress_float_constant): Copy the narrow constant into
13644 a new pseudo before extending it to its final width.
13646 2006-04-16 Roger Sayle <roger@eyesopen.com>
13647 Andrew Pinski <pinskia@gcc.gnu.org>
13648 Dale Johannesen <dalej@apple.com>
13651 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13652 special case code to implement V8HImode and V16QImode with SSE2.
13654 2006-04-15 Roger Sayle <roger@eyesopen.com>
13656 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13657 trees are constructed with a suitable tree type.
13659 2006-04-15 Roger Sayle <roger@eyesopen.com>
13661 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13662 (integer_onep): Likewise.
13663 (integer_all_onesp): Likewise.
13664 (integer_pow2p): Likewise.
13665 (integer_nonzerop): Likewise.
13666 (real_zerop): Likewise.
13667 (real_onep): Likewise.
13668 (real_twop): Likewise.
13669 (real_minus_onep): Likewise.
13670 (int_size_in_bytes): Likewise.
13671 (host_integerp): Likewise.
13673 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13675 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13676 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13677 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13679 * tree-ssa-structalias.h (alias_info): Remove num_references.
13681 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13683 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13684 (output_bvb patterns): Likewise.
13685 * pa.c (output_bb): Use 'bb' insn for long branch case.
13686 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13687 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13688 1. Correct length operand for alternatives 1 and 2.
13689 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13690 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13692 2006-04-14 Roger Sayle <roger@eyesopen.com>
13694 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13695 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13696 were accidentally reverted by r112959.
13698 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13700 PR middle-end/26823
13701 * except.h (eh_region_outermost): New prototype.
13702 * except.c (eh_region_outermost): New function.
13703 * tree-cfg.c (find_outermost_region_in_block): Use it.
13705 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13707 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13709 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13710 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13711 (init_reload, reload): Use VEC instead of VARRAY.
13712 * reload.h: Update the prototype for
13713 reg_equiv_memory_loc_varray.
13715 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13716 Eric Botcazou <ebotcazou@libertysurf.fr>
13718 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13719 register save area.
13721 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13723 PR middle-end/27134
13724 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13725 to expand fallback builtin function call.
13727 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13729 PR middle-end/27095
13730 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13731 and emit libcall here in case the builtin fails.
13732 (expand_builtin_strcmp): Always emit the libcall here on failure.
13734 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13736 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13737 * flow.c (reg_n_info): Change the type to
13738 VEC(reg_info_p,heap) *.
13739 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13741 * regs.h (reg_info_p): New.
13742 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13743 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13744 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13747 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13749 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13751 * params.h (MAX_SCHED_READY_INSNS): New macro.
13752 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13753 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13754 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13755 the ready list for 1 cycle during the first scheduling pass.
13756 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13758 2006-04-13 Richard Henderson <rth@redhat.com>
13761 * gimple-low.c (lower_omp_directive): Remove dead code.
13762 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13763 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13764 * omp-low.c (struct omp_region): Move to tree-flow.h.
13765 (root_omp_region): Export.
13766 (omp_regions, lookup_omp_region): Remove.
13767 (determine_parallel_type): Update for struct omp_region changes.
13768 (dump_omp_region): Dump regions with block numbers.
13769 (new_omp_region): Take type and block instead of stmt; malloc
13771 (free_omp_region_1, free_omp_regions): New.
13772 (expand_parallel_call): Take entry_stmt as argument; update for
13773 changes to omp_region.
13774 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13775 (remove_exit_barriers): New.
13776 (expand_omp_parallel): Update for struct omp_region changes.
13777 (expand_omp_synch): Likewise.
13778 (expand_omp): Likewise.
13779 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13780 (expand_omp_for_static_chunk): Likewise.
13781 (expand_omp_for): Likewise.
13782 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13783 (expand_omp_sections): Similarly, with GOMP_sections_end.
13784 (expand_omp_single): New.
13785 (build_omp_regions_1): Update for OMP_CONTINUE.
13786 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13787 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13788 OMP_SECTIONS_SECTIONS.
13789 (lower_omp_single_simple): Don't emit barrier here.
13790 (lower_omp_single_copy): Likewise.
13791 (lower_omp_single): Fix bindings, and lower to straightline now.
13792 (lower_omp_master, lower_omp_ordered): Likewise.
13793 (lower_omp_critical): Likewise.
13794 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13795 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13796 omp edges, free it afterward.
13797 (make_omp_sections_edges): Remove.
13798 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13799 (move_stmt_r): Handle OMP_CONTINUE.
13800 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13801 statement pointers to basic blocks. Add type member.
13802 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13803 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13804 * tree-inline.c (estimate_num_insns_1): Likewise.
13805 * tree-pretty-print.c (dump_generic_node): Likewise.
13806 * tree-ssa-operands.c (get_expr_operands): Likewise.
13807 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13808 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13809 (OMP_CONTINUE): New.
13810 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13811 (OMP_SECTIONS_SECTIONS): Remove.
13812 (OMP_SECTION_LAST): New.
13813 (OMP_RETURN_NOWAIT): New.
13815 2006-04-13 Roger Sayle <roger@eyesopen.com>
13817 * fold-const.c (native_encode_vector, native_interpret_real):
13818 Correct obvious mistakes in the previous check-in.
13820 2006-04-13 Roger Sayle <roger@eyesopen.com>
13822 * fold-const.c (native_encode_expr): New function to encode
13823 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13824 or VECTOR_CST into a specified buffer.
13825 (native_encode_int): New function.
13826 (native_encode_real): New function.
13827 (native_encode_complex): New function.
13828 (native_encode_vector): New function.
13829 (native_interpret_expr): Inverse of native_encode_expr to convert
13830 a target representation into an INTEGER_CST, REAL_CST etc...
13831 (native_interpret_int): New function.
13832 (native_interpret_real): New function.
13833 (native_interpret_complex): New function.
13834 (native_interpret_vector): New function.
13835 (fold_view_convert_expr): New function to constant fold/evaluate
13836 a VIEW_CONVERT_EXPR of a suitable constant expression.
13837 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13838 Change call of build1 to fold_build1 when constructing a
13841 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13842 Ulrich Weigand <uweigand@de.ibm.com>
13845 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13848 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13851 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13852 optimize to lo_sum for DFmode if !TARGET_FPRS.
13854 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13856 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13857 delete_alias_info, compute_flow_sensitive_aliasing,
13858 group_aliases): Use VEC instead of VARRAY.
13859 * tree-ssa-structalias.c (update_alias_info): Likewise.
13860 * tree-ssa-structalias.h (alias_info): Change the type of
13861 processed_ptrs to VEC(tree,heap) *.
13863 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13866 * config/sh/lib1funcs.h: New file, broken out of:
13867 * config/sh/lib1funcs.asm.
13868 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13870 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13871 * config/sh/lib1funcs-Os-4-200.asm: New file.
13872 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13873 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13874 (EXTRA_MULTILIB_PARTS): Include it.
13875 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13876 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13877 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13878 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13881 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13883 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13884 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13885 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13887 * tree-ssa-live.h: Include vecprim.h.
13888 (tree_partition_associator_d): Change the type of
13889 first_partition to VEC(int,heap) *.
13890 (tpa_first_partition): Use VEC instead of VARRAY.
13892 * Makefile.in (GTFILES): Move functions.h after tree.h.
13893 * function.c (reset_block_changes, record_block_change,
13894 check_block_change, free_block_changes): Use VEC instead of
13896 * function.h (function): Change the type of
13897 ib_boundaries_block to VEC(tree,gc) *.
13898 * tree-inline.c (copy_cfg_body): Initialize
13899 ib_boundaries_block to NULL instead of (varray_type) 0.
13901 2006-04-12 Roger Sayle <roger@eyesopen.com>
13903 * expr.c (emit_group_store): Correct operand order in call to
13904 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13905 a SUBREG_BYTE of zero.
13907 2006-04-12 Richard Guenther <rguenther@suse.de>
13909 * profile.c (compute_branch_probabilities): Remove code
13910 encapsulated in !ir_type (), which are remanents of the
13911 removed RTL profiling code.
13912 * rtl-profile.c: Remove.
13914 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13916 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13917 magic NULL_RTX comment.
13918 (function_arg): Store entire fp arg to mem if any part should go
13920 (rs6000_arg_partial_bytes): Adjust for above change.
13922 2006-04-11 Roger Sayle <roger@eyesopen.com>
13924 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13925 if it hasn't been initialized by dwarf2out_init.
13927 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13929 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13930 symbolic constants in branch patterns.
13932 2006-04-11 Roger Sayle <roger@eyesopen.com>
13934 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13936 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13938 PR rtl-optimization/27073
13939 * gcse.c (try_replace_reg): Revert last change. Continue to search
13940 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13943 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13945 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13946 aggregate types other than record and union types.
13947 (function_arg): Likewise.
13948 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13950 (function_value): In 64-bit mode, return objects that require it
13953 2006-04-11 Roger Sayle <roger@eyesopen.com>
13955 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13957 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13959 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13961 2006-04-03 Jeff Law <law@redhat.com>
13964 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13965 alias information too.
13967 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13969 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13971 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13974 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13975 (premark_used_types_helper): New.
13976 (premark_used_types): New.
13977 (gen_subprogram_die): Call premark_used_types.
13978 (prune_unused_types_walk): Do not prune perennial dies.
13979 * function.c (used_types_insert): New.
13980 * function.h (struct function): Add used_types_hash field.
13981 (used_types_insert): Add prototype.
13982 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
13983 * c-parser.c (c_parser_cast_expression): Save casted types in used
13986 2006-04-11 Mark Mitchell <mark@codesourcery.com>
13989 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
13990 rs6000_explicit_options.float_gprs.
13992 2006-04-10 Roger Sayle <roger@eyesopen.com>
13994 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
13995 from ix86_expand_vector_init_low_nonzero. Take an additional
13996 one_var argument indicating which element is non-zero. Support
13997 one_var != 0 for V4SFmode and V4SImode by permuting the result.
13998 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
13999 with one_var instead of ix86_expand_vector_init_low_nonzero.
14001 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14003 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14004 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14005 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14006 build/genextract.o): Depend on vecprim.h.
14007 * cfglayout.c, df-problems.c, function.c, genextract.c,
14008 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14009 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14013 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14015 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14016 Declare VECs of this type.
14017 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14018 (remove_children): Delete.
14019 (add_dwarf_attr): Use VEC routines.
14020 (add_AT_flag): Update for changes to add_dwarf_attr.
14021 (add_AT_int): Likewise.
14022 (add_AT_unsigned): Likewise.
14023 (add_AT_long_long): Likewise.
14024 (add_AT_vec): Likewise.
14025 (add_AT_string): Likewise.
14026 (add_AT_die_ref): Likewise.
14027 (add_AT_fde_ref): Likewise.
14028 (add_AT_loc): Likewise.
14029 (add_AT_loc_list): Likewise.
14030 (add_AT_addr): Likewise.
14031 (add_AT_lbl_id): Likewise.
14032 (add_AT_lineptr): Likewise.
14033 (add_AT_macptr): Likewise.
14034 (add_AT_offset): Likewise.
14035 (add_AT_range_list): Likewise.
14036 (get_AT): Use VEC_iterate.
14037 (remove_AT): Use VEC_ordered_remove.
14038 (free_die): Fold remove_children into here; have it use VEC_iterate.
14039 (print_die): Use VEC_iterate on attrs.
14040 (reverse_die_lists): Don't reverse attr lists.
14041 (die_checksum): Use VEC_iterate on attrs.
14042 (same_die_p): Likewise.
14043 (output_location_lists): Likewise.
14044 (build_abbrev_table): Likewise.
14045 (size_of_die): Likewise.
14046 (unmark_all_dies): Likewise.
14047 (output_abbrev_section): Likewise.
14048 (output_die): Likewise.
14049 (prune_unused_types_walk_attribs): Likewise.
14051 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14053 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14055 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14058 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14060 2006-04-09 Roger Sayle <roger@eyesopen.com>
14062 * expr.c (store_constructor): Don't bother clearing target if
14063 we're about to assign a vector to it using vec_init_optab.
14065 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14067 * tree-ssa-alias.c (lhs_may_store_to): New function.
14068 (recalculate_used_alone): Handle LHS of calls.
14070 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14074 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14075 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14076 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14077 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14078 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14079 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14080 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14081 stubs. Add ".align 8" directives before all ".dword" directives.
14082 (GTHREAD_USE_WEAK): Revise comment.
14083 (TARGET_ATTRIBUTE_WEAK): Define.
14084 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14085 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14086 * stublib.c: New file.
14091 * pa.md (cbranch patterns): Revise arguments used in calls to
14092 output_cbranch, output_bb and output_bvd. Add long branch length
14094 (fbranch patterns): Handle long branches.
14095 (jump): Revise length check. Revise arguments for output_lbranch call.
14096 Add long branch length attributes.
14097 (decrement_and_branch_until_zero): Add long branch length attributes.
14098 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14099 Likewise. Revise arguments for output_parallel_addb and
14100 output_parallel_movb calls.
14101 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14102 output_parallel_movb and output_parallel_addb): Update prototypes.
14103 * pa.c (output_cbranch): Revise arguments. Correct handling of
14104 nullification in long branches.
14105 (output_lbranch): Add new argument to control extraction of delay
14107 (output_bb): Handle long branches.
14108 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14109 output_parallel_addb): Likewise.
14111 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14113 PR rtl-optimization/27073
14114 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14117 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14119 * tree.h (tree_memory_tag): Add old_used_alone.
14120 (SMT_OLD_USED_ALONE): New macro.
14121 * tree-ssa-alias.c (recalculate_used_alone): Stop
14122 marking things for renaming unnecessarily.
14124 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14126 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14127 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14128 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14129 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14130 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14131 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14132 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14133 spelling convensions.
14134 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14135 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14136 typos. Follow spelling conventions.
14138 2006-04-07 DJ Delorie <dj@redhat.com>
14140 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14141 passed on the stack.
14142 (m32c_init_cumulative_args): When a function returns a structure,
14143 always pass the pointer to that return area on the stack.
14144 (m32c_function_arg_advance): Don't increment the parameter number
14145 if we're processing the returned structure pointer.
14146 (pushm_info): Reverse order of registers.
14148 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14150 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14151 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14152 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14153 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14154 build_int_cst_type.
14155 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14156 chrec_fold_multiply): Same.
14157 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14158 force_expr_to_var_cost): Same.
14159 * tree-mudflap.c (mf_xform_derefs_1): Same.
14160 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14162 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14164 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14165 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14168 2006-04-07 Jan Hubicka <jh@suse.cz>
14170 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14172 2006-04-07 Richard Guenther <rguenther@suse.de>
14174 PR tree-optimization/26135
14175 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14176 loads for store copy-prop.
14177 (copy_prop_visit_stmt): Likewise.
14179 2006-04-05 Robert Millan <robertmh@gnu.org>
14181 * config/i386/linux.h: Add a comment to mark macros that are
14182 being overriden in config/k*bsd-gnu.h.
14183 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14185 * config/knetbsd-gnu.h: Ditto.
14187 2006-04-06 Jan Hubicka <jh@suse.cz>
14191 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14194 2006-04-06 Mike Stump <mrs@apple.com>
14196 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14197 for HAVE_nonlocal_goto to be consistent.
14198 (expand_builtin_nonlocal_goto): Likewise.
14199 (expand_builtin_strcmp): Use #ifdef instead of #if
14200 for HAVE_cmpstrnsi to be consistent.
14202 2006-04-05 DJ Delorie <dj@redhat.com>
14204 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14207 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14209 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14210 got-relative addressing for anything but SImode.
14212 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14213 even if the calling function doesn't modify them.
14215 2006-04-05 Richard Guenther <rguenther@suse.de>
14217 PR tree-optimization/26919
14218 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14219 to cgraph_estimate_size_after_inlining.
14221 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14223 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14225 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14227 PR tree-optimization/26996
14228 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14229 VECTOR_TYPE variables.
14231 2006-04-05 Richard Guenther <rguenther@suse.de>
14233 PR tree-optimization/26763
14234 * fold-const.c (fold_comparison): Move folding of
14235 PTR + CST CMP PTR + CST ...
14236 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14238 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14240 * doc/install.texi (Prerequisites): Refine some wording on
14241 bootstrapping and ksh.
14242 Move the version numbers of DejaGnu here from the testing section
14243 and fix casing of names.
14244 Fix markup and clarify wording for autogen requirements.
14245 Refer to GCJ instead of just java.
14246 Refer to SVN instead of CVS.
14247 Describe diffutils as useful instead of necessary.
14248 (Downloading the source): Refer to SVN instead of CVS.
14249 Adjust a link to our web site accordingly.
14250 (Configuration): Fix casing of Bison.
14251 (Building): Refer to SVN instead of CVS.
14252 Fix a sentence on the use of Bison and remove duplicate (and
14253 incorrect) version number of Bison requirement.
14254 Remove one redundant list of packages needed for building.
14255 (Specific): Avoid reference to CVS.
14257 2006-04-04 Eric Christopher <echristo@apple.com>
14259 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14260 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14261 (rs6000_handle_struct_attribute): New.
14262 (rs6000_ms_bitfield_layout_p): Ditto.
14264 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14266 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14267 NULL for dso parameter to atexit_common.
14269 2006-04-04 Eric Christopher <echristo@apple.com>
14271 * config/i386/i386.c (machopic_output_stub): Output \t
14272 between instructions and operands.
14274 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14276 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14277 satisfies_constraint_[IL] to explicit tests on value.
14279 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14281 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14282 set_nb_iterations_in_loop): Use build_int_cst instead of
14283 build_int_cst_type.
14284 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14285 build_int_cst instead of convert.
14287 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14289 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14290 new value 2 for incoming.
14291 * function.c (expand_function_start): Call struct_value_rtx
14292 with incoming as 2.
14293 * config/sparc/sparc.md: Comment updated_return.
14294 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14295 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14296 struct return if sparc_std_struct_return and incoming is 2.
14297 (print_operand): Do not adjust return if
14298 sparc_std_struct_return.
14300 2006-04-04 Roger Sayle <roger@eyesopen.com>
14302 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14303 convert in the middle-end.
14304 * expr.c (store_expr, store_constructor, get_inner_reference,
14305 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14307 * tree.c (build_range_type): Likewise.
14309 2006-04-04 Tom Tromey <tromey@redhat.com>
14311 * doc/install.texi (Prerequisites): Mention jar.
14313 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14315 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14318 2006-04-04 Matthias Klose <doko@debian.org>
14320 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14324 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14327 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14329 * doc/extend.texi (Function Attributes): Rewrite visibility
14330 attribute documentation.
14331 * doc/invoke.texi (C++ Dialect Options): Rewrite
14332 -fvisibility-inlines-hidden documentation to describe something
14333 entirely different, although in practise compatible.
14334 (Code Gen Options): Warn about system headers in -fvisibility=
14337 * doc/extend.texi (Other Builtins): Document that
14338 __builtin_nan is a compile-time constant only when its argument
14341 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14343 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14344 trying to remove TRUNCATE check if all bits outside the new mode
14345 are identical to the sign bit.
14347 2006-04-03 Jeff Law <law@redhat.com>
14349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14350 and operand scanning in some common cases.
14352 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14353 Dale Johannesen <dalej@apple.com>
14356 * regclass.c (struct reg_pref): Update documentation.
14357 (regclass): Set prefclass to NO_REGS if memory is the best option.
14358 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14359 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14360 into account. For non-registers, equate an empty preferred
14361 reload class to a `!' in the constraint; move the if clause to
14362 do so after those that reject the insn.
14363 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14365 (find_dummy_reload): Likewise.
14366 * doc/tm.texi (Register Classes): Document what it means
14367 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14368 * config/i386/i386.c (ix86_preferred_reload_class): Force
14369 using SSE registers (and return NO_REGS for floating-point
14370 constants) if math is done with SSE.
14371 (ix86_preferred_output_reload_class): New.
14372 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14373 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14374 * config/i386/i386.md: Remove # register preferences.
14376 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14379 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14380 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14381 the type of nb_iter.
14382 (instantiate_parameters_1): Convert the operands before calling
14383 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14384 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14386 2006-04-02 Roger Sayle <roger@eyesopen.com>
14388 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14389 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14390 instead of convert.
14391 * dojump.c (do_jump): Likewise.
14392 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14393 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14394 gimplify_boolean_expr): Likewise.
14395 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14396 * varasm.c (array_size_for_constructor): Likewise.
14397 * tree-object-size.c (compute_object_offset): Likewise.
14399 2006-04-02 Roger Sayle <roger@eyesopen.com>
14401 PR middle-end/26977
14402 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14403 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14405 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14407 PR tree-optimization/26939
14408 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14410 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14412 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14413 at_stmt. Convert the type of operands before calling
14414 build_polynomial_chrec.
14415 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14416 add_to_evolution_1.
14417 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14418 (instantiate_parameters_1): Convert the type of operands before calling
14419 build_polynomial_chrec.
14420 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14421 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14422 reset_evolution_in_loop): Insert asserts to check the types of the
14424 (chrec_type): Moved...
14425 (eq_evolutions_p): Use operand_equal_p.
14426 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14427 the types of the operands.
14428 (chrec_type): ...here.
14429 * tree-data-ref.c (create_data_ref): Convert the operands before
14430 calling chrec_replace_initial_condition.
14431 (same_access_functions, analyze_subscript_affine_affine,
14432 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14433 (compute_subscript_distance, analyze_ziv_subscript,
14434 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14435 analyze_miv_subscript): Convert the operands before calling
14436 chrec_fold_minus or chrec_fold_plus.
14438 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14440 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14441 the dependence_relations vector.
14442 (compute_data_dependences_for_loop): Adjust call to
14443 compute_all_dependences.
14445 2006-04-01 Roger Sayle <roger@eyesopen.com>
14446 Richard Henderson <rth@redhat.com>
14448 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14449 gimple_boolify on the condition before calling gimplify_expr.
14451 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14453 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14454 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14455 the frame size. Update to use the new macros.
14456 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14457 * config/xtensa/ieee754-df.S: Likewise.
14459 2006-03-31 Richard Henderson <rth@redhat.com>
14461 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14462 (make_edges): ... here. Control fallthru creation with a local
14463 variable. Do not play with fake edges.
14464 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14465 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14468 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14470 * dwarf2.h (DW64_CIE_ID): Define.
14471 * dwarf2out.c (DWARF_CIE_ID): Define.
14472 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14473 length header. Use DWARF_CIE_ID.
14474 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14475 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14477 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14479 * config/sh/linux-atomic.asm: New file.
14480 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14482 2006-03-31 DJ Delorie <dj@redhat.com>
14484 * config/m32c/cond.md: Set condition flags properly throughout.
14485 * config/m32c/minmax.md: Likewise.
14486 * config/m32c/prologue.md: Likewise.
14487 * config/m32c/bitops.md: Likewise.
14488 * config/m32c/muldiv.md: Likewise.
14489 * config/m32c/mov.md: Likewise.
14490 * config/m32c/addsub.md: Likewise.
14491 * config/m32c/m32c.md: Likewise.
14492 * config/m32c/jump.md: Likewise.
14493 * config/m32c/shift.md: Likewise.
14495 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14496 conditionally output the pattern for this.
14497 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14498 (m32c_compare_redundant): New.
14499 (m32c_output_compare): New.
14500 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14502 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14503 dest, not src. Allow other 4-byte modes.
14505 2006-03-30 Denis Chertykov <denisc@overta.ru>
14507 * doc/md.texi: Refer to avr/constraints.md instead of
14510 2006-03-30 Roger Sayle <roger@eyesopen.com>
14512 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14513 signed vs. unsigned comparison failures on some hosts.
14515 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14518 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14519 change to FLOAT_REGS.
14521 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14522 (rs6000_override_options): Use it.
14523 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14524 only for -mabi=spe/no-spe and -mabi=altivec.
14526 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14528 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14531 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14533 * Makefile.in: Rename docdir to gcc_docdir.
14535 2006-03-30 Roger Sayle <roger@eyesopen.com>
14538 * expr.c (emit_group_store): Optimize group stores into a pseudo
14539 register by using a paradoxical subreg to initialize the destination
14540 if the first or last member of the group specifies a "low part".
14542 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14545 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14546 * target.h (struct gcc_target.speculate_insn): Change type of the
14547 second parameter to 'int'.
14548 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14549 the second operand of the DEPS_LIST.
14550 (copy_DEPS_LIST_list): Update reference to the second operand of the
14552 * rtl.h (alloc_DEPS_LIST): Update signature.
14553 * sched-int.h (ds_t): Change typedef to 'int'.
14554 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14556 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14558 * haifa-sched.c (try_ready): Change condition to restore
14559 non-speculative pattern of the instruction.
14560 (process_insn_depend_be_in_spec): Code to keep probability of the
14561 speculative dependence non-decreasing.
14563 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14565 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14566 (single_move_for_movmem): ... this. Also change all uses.
14567 (bfin_expand_strmov): Renamed to...
14568 (bfin_expand_movmem): ... this. Also change all uses.
14569 * config/bfin/bfin.md (movstrsi): Renamed to...
14570 (movstrsi): ...this.
14572 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14574 PR tree-optimization/26830
14576 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14577 (copy_prop_visit_stmt): Remove write-only variable ann.
14578 (init_copy_prop): Check variable loop depth here. Do not simulate
14579 memory-tag and virtual operand PHIs except for store copy prop.
14581 2006-03-30 Richard Guenther <rguenther@suse.de>
14583 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14584 variants with double arguments.
14586 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14588 * genpreds.c (write_tm_constrs_h): Delete variable p.
14589 * genconditions.c (write_header): Add tm-constrs.h to included
14591 * genpeep.c (main): Add toplev.h to included headers.
14592 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14593 (build/genpeep.o): Add toplev.h dependency.
14594 * config/rs6000/constraints.md: Add "W" constraint.
14596 2006-03-29 Roger Sayle <roger@eyesopen.com>
14598 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14599 sizes by correctly testing whether the size fits a host integer.
14600 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14601 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14602 SImode range for the default sizetype and bitsizetype.
14604 2006-03-29 Roger Sayle <roger@eyesopen.com>
14606 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14607 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14608 quickly if the argument is already of the correct type.
14609 Call fold_build1 instead of build1. Tidy up blank lines.
14611 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14613 * genemit.c (main): Add tm-constrs.h to included headers.
14614 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14615 * genpeep.c (main): Add tm-constrs.h to included headers.
14616 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14617 (write_tm_constrs_h): this and write complete file.
14618 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14619 (write_insn_preds_c): Add tm-constrs.h to included headers.
14620 (gen_constrs): New variable.
14621 (parse_option): Parse "-c".
14622 (main): Invoke write_tm_constrs_h.
14623 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14624 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14625 (object_out_file): Add tm-constrs.h dependency.
14626 (insn-emit.o): Same.
14627 (insn-output.o): Same.
14628 (insn-peep.o): Same.
14629 (insn-preds.o): Same.
14630 (insn-recog.o): Same.
14631 (tm-constsr.h): New target.
14632 (s-constrs-h): New target.
14634 * config/rs6000/constraints.md: New file.
14635 * config/rs6000/rs6000.c: Include tm-constrs.h.
14636 (num_insn_constant_wide): Convert to satisfies_constraint.
14637 (rs6000_rtx_costs): Convert to satisfies_constraint.
14638 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14639 (CONST_OK_FOR_LETTER_P): Delete.
14640 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14641 (EXTRA_CONSTRAINT): Delete.
14642 (EXTRA_MEMORY_CONSTRAINT): Delete.
14643 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14644 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14645 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14646 satisfies_constraint.
14648 * config/i386/i386.c: Include tm-constrs.h.
14650 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14652 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14653 * tree-data-ref.c (find_data_references_in_loop,
14654 compute_data_dependences_for_loop): Use pointers to VEC.
14655 (analyze_all_data_dependences): Adjust calls.
14656 * tree-data-ref.h (find_data_references_in_loop,
14657 compute_data_dependences_for_loop): Adjust declarations.
14658 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14659 compute_data_dependences_for_loop.
14661 2006-03-29 Paul Brook <paul@codesourcery.com>
14663 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14664 (movdf_vfp): Ditto.
14666 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14668 PR tree-optimization/26859
14669 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14671 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14672 for the step after fold_convert.
14674 2006-03-29 Paul Brook <paul@codesourcery.com>
14676 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14677 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14679 2006-03-29 Paul Brook <paul@codesourcery.com>
14681 PR middle-end/23623
14682 * targhooks.c (default_narrow_bitfield): New fuction.
14683 * targhooks.h (default_narrow_bitfield): add prototype.
14684 * target.h (gcc_target): Add narrow_volatile_bitfield.
14685 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14686 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14687 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14688 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14690 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14692 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14694 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14695 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14696 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14697 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14698 (s390_function_arg_float): Allow SDmode and DDmode values to be
14699 passed in floating point registers.
14700 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14701 check with SCALAR_FLOAT_MODE_P.
14702 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14704 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14706 PR tree-optimization/25985
14707 * tree-ssa-loop-niter.c (number_of_iterations_le,
14708 number_of_iterations_ne): Make comments more precise.
14709 (number_of_iterations_cond): Add only_exit argument. Use the
14710 fact that signed variables do not overflow only when only_exit
14712 (loop_only_exit_p): New.
14713 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14714 number_of_iterations_cond.
14716 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14718 PR tree-optimization/26643
14719 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14722 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14724 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14725 (divsi3_i4_int): Likewise.
14727 2006-03-28 Roger Sayle <roger@eyesopen.com>
14729 * expr.c (emit_group_store): Only create a new pseudo reg if the
14730 quantity it needs to hold isn't already a suitable pseudo.
14732 2006-03-28 Jeff Law <law@redhat.com>
14734 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14735 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14737 2006-03-28 Roger Sayle <roger@eyesopen.com>
14739 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14740 the equivalent ~X & Y, and the symmetry related transformations.
14741 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14742 ~X & Y, and symmetry related transforms.
14744 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14746 Revert my 2006-03-27 patches.
14748 2006-03-28 Roger Sayle <roger@eyesopen.com>
14750 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14751 ~(T1)X, when T1 and T2 are integer types of the same precision
14752 and (T2)X isn't an extension.
14754 2006-03-28 Jeff Law <law@redhat.com>
14756 PR tree-optimization/26796
14757 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14758 need EH edge cleanups rather than purging them immediately.
14759 (eliminate_degenerate_phis): Handle queued EH cleanups.
14761 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14763 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14766 2006-03-27 Roger Sayle <roger@eyesopen.com>
14768 PR middle-end/22524
14769 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14770 cast BIT_NOT_EXPR operand to the correct type.
14772 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14774 * tree-loop-linear.c: Don't include varray.h.
14775 (gather_interchange_stats, try_interchange_loops,
14776 linear_transform_loops): Use VEC instead of VARRAY.
14777 * lambda-mat.c: Don't include varray.h.
14778 * tree-chrec.c: Same.
14779 * lambda-trans.c: Same.
14780 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14781 VEC instead of VARRAY.
14782 * tree-vectorizer.h: Idem.
14783 * tree-data-ref.c (dump_data_references,
14784 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14785 initialize_data_dependence_relation, finalize_ddr_dependent,
14786 compute_all_dependences, find_data_references_in_loop,
14787 compute_data_dependences_for_loop, analyze_all_data_dependences,
14788 free_dependence_relation, free_dependence_relations,
14789 free_data_refs): Idem.
14790 * tree-data-ref.h (data_reference_p, subscript_p): New.
14791 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14792 VEC instead of VARRAY.
14793 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14794 (find_data_references_in_loop, compute_data_dependences_for_loop,
14795 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14796 dump_data_dependence_relations, free_dependence_relations,
14797 free_data_refs): Adjust declaration.
14798 (lambda_transform_legal_p): Move declaration here...
14799 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14800 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14801 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14802 vect_analyze_data_refs): Use VEC instead of VARRAY.
14803 * lambda.h (lambda_transform_legal_p): ...from here.
14804 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14805 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14806 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14807 tree-chrec.o): Don't depend on VARRAY_H.
14809 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14811 * rtl.def (Copyright): Update date.
14812 (DEPS_LIST): Change type of the second operand to 'int'.
14813 * target.h (Copyright): Update date.
14814 (struct gcc_target.speculate_insn): Change type of the second parameter
14816 * lists.c (Copyright): Update date.
14817 (alloc_DEPS_LIST): Change signature. Update reference to the second
14818 operand of the DEPS_LIST.
14819 (copy_DEPS_LIST_list): Update reference to the second operand of the
14821 * rtl.h (Copyright): Update date.
14822 (alloc_DEPS_LIST): Update signature.
14823 * sched-int.h (Copyright): Update date.
14824 (ds_t): Change typedef to 'int'.
14825 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14827 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14829 * haifa-sched.c (Copyright): Update date.
14830 (try_ready): Change condition to restore non-speculative pattern
14831 of the instruction.
14832 (process_insn_depend_be_in_spec): Code to keep probability of the
14833 speculative dependence non-decreasing.
14835 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14837 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14838 shut up the compiler.
14840 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14842 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14843 to use lib prefix for target.
14844 ($(T)libic_invalidate_array_4-200.a): Likewise.
14845 ($(T)libic_invalidate_array_4a.a): Likewise.
14847 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14848 J"orn Rennecke <joern.rennecke@st.com>
14850 * superh.opt: New file.
14851 * sh.c (boardtype, osruntime): Remove.
14852 * superh.h (SUBTARGET_OPTIONS): Remove.
14853 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14855 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14856 arguments with ^ and/or [].
14858 * config.gcc (sh-*-*): Add quoting to account for quirk of
14860 Replace == with = in enable_incomplete_targets test.
14862 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14863 with MASK_LITTLE_ENDIAN.
14865 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14866 * config/sh/sh.opt: Added to some comments.
14867 * config/sh/superh.h: Removed some chaff.
14869 * config/sh/sh.opt: Add m4-[1234]00* options.
14870 * config/sh/sh.c (sh_handle_option): Likewise.
14871 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14872 (ic_invalidate_array_4-100.o): New rule.
14873 ($(T)libic_invalidate_array_4-100.a): Likewise.
14874 (ic_invalidate_array_4-200.o): Likewise.
14875 ($(T)libic_invalidate_array_4-200.a): Likewise.
14876 (ic_invalidate_array_4a.o): Likewise.
14877 ($(T)libic_invalidate_array_4a.a): Likewise.
14878 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14879 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14881 * config/sh/crt1.asm: Merged in profiling code.
14882 * config/sh/superh.h (STARTFILE_SPEC): Override.
14883 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14884 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14885 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14887 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14888 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14889 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14891 * sh.opt (mpretend-cmove): New option.
14892 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14893 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14894 (movsicc): Add TARGET_PRETEND_CMOVE code.
14896 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14898 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14899 s390_class_max_nregs): New function prototypes.
14900 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14901 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14902 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14903 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14905 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14907 * dwarf2out.c (add_location_or_const_value_attribute): Call
14908 tree_add_const_value_attribute if nothing else works.
14909 (reference_to_unused): New.
14910 (rtl_for_decl_init): Use reference_to_unused to decide whether
14911 to output an initializer.
14913 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14916 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14917 peephole removing spe frob_di_df_2.
14919 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14921 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14922 (subscript_dependence_tester_1): Declared.
14923 (print_dir_vectors, print_dist_vectors): New.
14924 (debug_data_dependence_relation): New.
14925 (dump_data_dependence_relation): Print more details.
14926 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14927 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14928 (save_dist_v, save_dir_v, add_outer_distances,
14929 build_classic_dist_vector_1): New.
14930 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14931 Don't test for lambda_vector_lexico_pos.
14932 (same_access_functions, add_multivariate_self_dist,
14933 add_other_self_distances, dir_from_dist): New.
14934 (build_classic_dir_vector): Replace implementation almost identical to
14935 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14937 (subscript_dependence_tester_1): New.
14938 (subscript_dependence_tester): Handle the lexicographically negative
14939 distance vectors by recomputing the dependence relation.
14940 (compute_affine_dependence): Remove parameter loop_nest_depth.
14941 (compute_self_dependence): Don't call compute_subscript_distance.
14942 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14943 Add a parameter for the loop_nest.
14944 (find_loop_nest_1, find_loop_nest): New.
14945 (compute_data_dependences_for_loop): Compute the loop nest, and give
14946 up if the nest is not well formed.
14947 * tree-data-ref.h (loop_p): New.
14948 (struct data_dependence_relation): Replace size_vect field with
14949 loop_nest, a vec of loops.
14950 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14951 (DDR_LOOP_NEST): New.
14952 (print_dir_vectors, print_dist_vectors,
14953 debug_data_dependence_relation): Declared.
14954 (index_in_loop_nest): New.
14955 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14956 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14959 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14961 * simplify-rtx.c (simplify_relational_operation): Call
14962 simplify_relational_operation_1 even if mode is VOIDmode.
14964 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14966 PR tree-optimization/26804
14967 * tree.h (DECL_CALL_CLOBBERED): New macro.
14968 (tree_decl_common): Add call_clobbered_flag.
14969 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14970 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14971 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14972 (mark_non_addressable): Ditto.
14973 * tree-ssa.c (verify_call_clobbered): New function.
14974 (verify_alias_info): Use it.
14975 * tree-pass.h (pass_reset_cc_flags): New prototype.
14976 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
14977 (reset_cc_flags): New function.
14978 * passes.c (init_optimization_passes): Call reset_cc_flags after
14979 initializing referenced_vars.
14981 2006-03-25 Uros Bizjak <uros@kss-loka.si>
14982 Roger Sayle <roger@eyesopen.com>
14984 PR middle-end/26717
14985 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
14986 to 1.0 for non-real operands. Implement A / A optimization for
14989 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
14991 * config/i386/i386.c (size_cost): Correct the comment for
14992 cost of storing fp registers.
14993 (i386_cost): Likewise.
14994 (i486_cost): Likewise.
14995 (pentium_cost): Likewise.
14996 (pentiumpro_cost): Likewise.
14997 (k6_cost): Likewise.
14998 (athlon_cost): Likewise.
14999 (k8_cost): Likewise.
15000 (pentium4_cost): Likewise.
15001 (nocona_cost): Likewise.
15002 (generic64_cost): Likewise.
15003 (generic32_cost): Likewise.
15005 2006-03-24 Denis Chertykov <denisc@overta.ru>
15007 * config/avr/avr-protos.h (extra_constraint): Delete.
15008 (extra_constraint_Q): New declaration.
15009 * config/avr/constraints.md: New file.
15010 * config/avr/avr.md: Include it.
15011 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15012 (TMP_REGNO, ZERO_REGNO): Likewise.
15013 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15014 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15015 (extra_constraint): Delete.
15016 (extra_constraint_Q): Test for memory constraint 'Q'.
15017 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15018 (REG_CLASS_FROM_LETTER): Delete.
15019 (CONST_OK_FOR_LETTER_P): Delete.
15020 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15021 (EXTRA_CONSTRAINT): Delete.
15022 (TMP_REGNO): Delete.
15023 (ZERO_REGNO): Delete.
15025 2006-03-24 Jeff Law <law@redhat.com>
15027 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15028 directly. Call mark_new_vars_to_rename slightly earlier.
15030 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15032 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15033 (is_cxx): Likewise.
15034 (gen_compile_unit_die): Use new language types for Objective-C and
15036 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15037 DW_LANG_C_plus_plus.
15040 * config/t-darwin (crt3.o): Work around bug 26840.
15041 * config/darwin-crt3.c: Rewrite.
15042 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15044 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15046 * doc/invoke.texi: Document -femit-class-debug-always
15047 * common.opt: Add -femit-class-debug-always.
15049 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15051 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15052 index and base register.
15053 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15054 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15055 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15056 REGNO_OK_FOR_INDEX_P.
15057 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15059 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15060 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15061 REG_OK_FOR_BASE_P): Definitions removed.
15063 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15065 PR middle-end/26611
15066 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15067 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15068 set yet or weren't marked as local yet.
15070 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15072 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15075 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15077 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15078 (rs6000_legitimate_small_data_p): Delete.
15079 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15080 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15081 and make static. Add forward declaration. Update uses.
15082 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15083 of offsettable_memref_p.
15084 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15085 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15087 2006-03-24 Jeff Law <law@redhat.com>
15089 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15090 around bug in immediate-use iterator.
15092 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15095 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15096 or __LITTLE_ENDIAN__.
15098 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15100 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15101 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15102 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15103 * config/sh/sh.opt (mdiv=): Amend description.
15104 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15105 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15106 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15107 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15108 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15109 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15110 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15111 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15112 TARGET_DIVIDE_CALL_FP.
15114 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15116 * haifa-sched.c (choose_ready): Fix type of the local variable.
15117 Move local variables. Add comment.
15118 (check_reg_live): Change signature. Make callable from debugger.
15119 * sched-int.h (check_reg_live): Update signature.
15120 * sched-ebb.c (check_reg_live): Update parameters.
15121 * sched-rgn.c (check_reg_live): Ditto.
15122 (region_head_or_leaf_p): Check pointer before dereferencing.
15123 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15124 before reload on optimization levels below 1.
15126 2006-03-23 Richard Henderson <rth@redhat.com>
15128 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15132 * config/alpha/predicates.md (local_symbolic_operand): Reject
15135 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15138 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15139 expressions which have overflowed constants.
15141 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15143 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15145 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15147 * cfgloopmanip.c (create_loop_notes): Removed.
15148 * final.c (final_scan_insn): Do not handle loop notes.
15149 * jump.c (squeeze_notes): Ditto.
15150 * cfglayout.c (skip_insns_after_block,
15151 duplicate_insn_chain): Ditto.
15152 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15154 * cfgloop.h (create_loop_notes): Declaration removed.
15156 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15158 * varasm.c (output_constant_pool): Restore fnname and fndecl
15160 (assemble_start_function): Adjust call accordingly.
15161 (assemble_end_function): Likewise.
15163 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15166 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15169 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15171 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15174 * system.h (ICE_EXIT_CODE): New macro.
15175 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15176 (diagnostic_action_after_output): Likewise.
15177 * gcc.c (fatal_ice): New function.
15178 (execute): Use it instead of fatal.
15179 (fancy_abort): Likewise.
15180 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15182 2006-03-22 Jeff Law <law@redhat.com>
15184 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15185 iv_analyze_result returning false.
15187 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15189 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15191 2006-03-22 Richard Henderson <rth@redhat.com>
15193 PR middle-end/26084
15194 * except.c (duplicate_eh_regions_0): New.
15195 (duplicate_eh_region_1): Duplicate the children of the node as
15196 well as the node itself. Link them up properly.
15197 (duplicate_eh_region_2): Merge into ...
15198 (duplicate_eh_regions): ... here. Take copy_region argument, and
15199 copy only a sub-tree if asked. Simplify copying and fixup.
15200 (eh_region_outer_p): New.
15201 * except.h (duplicate_eh_regions): Update decl.
15202 (eh_region_outer_p): Declare.
15203 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15204 (lower_omp_master): Likewise.
15205 (lower_omp_ordered): Likewise.
15206 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15207 (move_stmt_r): Use it to remap labels. Handle recursion vs
15208 remap_decls_p properly.
15209 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15210 (find_outermost_region_in_block): New.
15211 (new_label_mapper): New.
15212 (move_sese_region_to_fn): Copy eh information to the new function
15214 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15216 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15219 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15221 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15222 into shared libraries.
15224 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15226 * doc/md.texi: Refer to i386/constraints.md instead of
15227 i386/predicates.md.
15228 * config/i386/constraints.md: New file, extracted from...
15229 * config/i386/predicates.md: ...here.
15230 * config/i386/i386.md: Include constraints.md.
15232 2006-03-21 Jason Merrill <jason@redhat.com>
15234 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15236 PR middle-end/20297
15237 * expr.c (init_block_move_fn): Force default visibility.
15238 (init_block_clear_fn): Likewise.
15239 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15240 * targhooks.c (default_external_stack_protect_fail): Likewise.
15242 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15244 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15245 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15246 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15247 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15248 (loadgp): Use mips_current_loadgp_style.
15249 (loadgp_noshared): New pattern.
15250 (sibcall_internal): Use MIPS_CALL.
15251 (sibcall_value_internal): Likewise.
15252 (sibcall_value_multiple_internal): Likewise.
15253 (call_internal): Likewise.
15254 (call_value_internal): Likewise.
15255 (call_value_multiple_internal): Likewise.
15256 (call_split): Use MIPS_CALL and add an 'S' constraint.
15257 (call_value_split): Likewise.
15258 (call_value_multiple_split): Likewise.
15259 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15260 (-mshared): New option.
15261 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15262 (mips_current_loadgp_style): Declare.
15263 * config/mips/mips.c (mips_classify_symbol): Avoid using
15264 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15265 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15266 TARGET_ABSOLUTE_ABICALLS.
15267 (override_options): Adjust comments. Improve the warning that is
15268 issued when -mabicalls and -G are used together.
15269 (mips_file_start): Remove comment.
15270 (mips_current_loadgp_style): New function.
15271 (mips_gnu_local_gp): New variable.
15272 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15274 (mips_output_function_prologue): Use mips_current_laodgp_style.
15275 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15276 the cprestore instruction.
15277 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15278 live for TARGET_ABSOLUTE_ABICALLS.
15279 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15280 (ASM_SPEC): Pass down -mshared and -mno-shared.
15281 (MIPS_CALL): New macro.
15282 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15284 * doc/invoke.texi (-mabicalls): Update documentation.
15285 (-mshared): Document.
15287 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15289 * config/ia64/unwind-hpux.c: New file.
15290 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15292 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15295 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15297 2006-03-21 Jeff Law <law@redhat.com>
15299 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15300 type conversions of a VR_VARYING source to a wider type.
15302 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15304 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15305 tm_file on Solaris 10 and later.
15306 (sparc64-*-solaris2*): Likewise.
15307 (sparc-*-solaris2*): Likewise.
15308 * config/sol26.h: Rename to config/sol2-6.h.
15309 * config/sol2-10.h: New file.
15311 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15314 * tree-ssa-pre.c (create_component_ref_by_pieces):
15317 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15320 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15321 return it immediately.
15323 2006-03-21 Michael Matz <matz@suse.de>
15325 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15327 (remove_arc, add_arc): Update num_out_arcs member.
15328 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15330 (cache_presence): New function.
15331 (compare_states_for_equiv): New function.
15332 (state_is_differed): Don't take number of outargs, adjust callers.
15333 Use new invariant for speeding up.
15334 (init_equiv_class): Create initial classes based on sorted
15336 (partition_equiv_class): Don't track out_arcs_num.
15337 (evaluate_equiv_classes): Call cache_presence on all states and
15340 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15342 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15343 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15344 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15345 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15347 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15348 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15349 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15350 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15351 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15353 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15354 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15355 (REGNO_REG_CLASS): ARGP is in PREGS.
15356 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15358 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15359 to deal with those addresses.
15360 * addresses.h: New file.
15361 * caller-save.c: Include "addresses.h".
15362 (init_caller_save): Use new base_reg_class function.
15363 * rtl-factoring.c: Include "addresses.h".
15364 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15365 * recog.c: Include "addresses.h".
15366 (preprocess_constraints): Use new base_reg_class function.
15367 * regrename.c: Include "addresses.h".
15368 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15369 functions. Keep track of a new var INDEX_CODE to compute valid
15371 (replace_oldest_value_addr): Likewise.
15372 (replace_oldest_value_mem): Use base_reg_class.
15373 * reload.c: Include "addresses.h".
15374 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15375 (find_reloads): Use new base_reg_class function.
15376 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15377 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15378 all callers and prototype changed.
15379 * reload1.c: Include "addresses.h".
15380 (maybe_fix_stack_asms): Use base_reg_class.
15381 * regclass.c: Include "addresses.h".
15382 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15383 (init_reg_autoinc): Use new base_reg_class function.
15384 (record_reg_classes): Likewise.
15385 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15386 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15387 Use new args to compute necessary class.
15389 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15390 regrename.o, rtl-factoring.o): Update dependencies.
15391 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15392 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15393 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15394 REG_OK_FOR_INDEX_P): Delete documentation.
15396 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15398 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15399 from V7 to V9 for Solaris 7 and above.
15401 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15403 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15404 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15405 argument pointers may not alias any other storage.
15406 * common.opt: Define option -fargument-noalias-anything.
15407 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15408 alias semantics is specified by flag_argument_noalias > 2.
15410 2006-03-20 Jeff Law <law@redhat.com>
15412 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15413 (pass_phi_only_cprop): Declare.
15414 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15415 with phi_only_cprop
15416 * tree-ssa-dom.c (degenerate_phi_result): New function.
15417 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15418 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15419 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15420 (eliminate_degenerate_phis): Likewise.
15421 (pass_phi_only_cprop): New pass descriptor.
15422 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15423 support code. Callers updated.
15424 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15425 (store_copy_prop): Likewise.
15426 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15428 2006-03-20 Jason Merrill <jason@redhat.com>
15431 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15432 (push_visibility, pop_visibility): Likewise.
15433 * c-pragma.h: Declare them.
15435 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15437 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15439 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15440 parameter and use get_ebb_head_tail.
15441 (sh_md_init_global): Adjust uses of find_regmode_weight.
15443 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15445 * function.h (struct function) <x_tail_recursion_reentry>:
15446 Rename to x_stack_check_probe_note.
15447 (tail_recursion_reentry): Rename to stack_check_probe_note.
15448 * function.c: Replace tail_recursion_reentry with
15449 stack_check_probe_note everywhere.
15450 (expand_function_start): Only emit a note for
15451 stack_check_probe_note with -fstack-protect.
15452 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15454 * emit-rtl.c (remove_unnecessary_notes): Remove.
15455 (pass_remove_unnecessary_notes): Remove.
15456 * rtl.h (remove_unnecessary_notes): Remove prototype.
15457 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15458 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15459 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15461 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15464 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15465 (valid_in_set): Handle ARRAY_REF.
15466 Change "if min_variant or VH" to asserts.
15467 (create_component_ref_by_pieces): Handle ARRAY_REF.
15468 (create_expression_by_pieces): Likewise.
15469 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15471 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15473 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15474 is operand of switch, not str[0].
15476 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15478 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15479 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15481 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15483 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15484 end of insn_extra_address_constraint declaration.
15486 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15488 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15489 (no-sum-in-toc): Same.
15490 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15492 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15493 NO_FP_IN_TOC for -fPIC instead of mask.
15495 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15496 (BOOT_LDFLAGS): Delete.
15498 * config/rs6000/t-aix52: Same.
15500 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15501 (stmsi[345678]_power): New.
15503 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15505 * config/ia64/ia64.opt: Add empty line to end of file.
15507 2006-03-17 Richard Guenther <rguenther@suse.de>
15509 PR middle-end/26721
15510 * builtins.c (get_pointer_alignment): For component style references
15511 adjust alignment to the component type alignment. Make sure
15512 to adjust alignment for component access of constants.
15514 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15516 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15517 unconditional jump.
15519 2006-03-17 Paul Brook <paul@codesourcery.com>
15521 * doc/install.texi: Docuemnt --with-mode.
15522 * config.gcc: Add --with-mode for arm*-*-*.
15523 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15525 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15527 * sh.c (max_labelno_before_reorg): New variable.
15528 (sh_reorg): Initialize it.
15529 (find_barrier): Check max_labelno_before_reorg before using
15530 label_to_alignment. Take length of explicit alignment insns
15531 into account. When seeing a UNSPECV_CONST_END, return it.
15533 * sh.c (fixup_mova): Set mode of affected label to QImode.
15534 (untangle_mova): New function.
15535 (find_barrier): Use it. Check mode of label before decrementing
15537 (sh_reorg): Likewise.
15538 Set mode of all insns back to VOIDmode.
15540 * sh.c (MOVA_LABELREF): New macro.
15541 (mova_p, fixup_mova, sh_reorg): Use it.
15542 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15543 ADDR_DIFF_VEC matches mova.
15545 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15547 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15548 with ATTRIBUTE_UNUSED.
15550 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15552 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15553 pointer, instead of assuming it is possible to derive the
15554 correct args size from a call insn.
15556 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15558 * rtl.h (CONST_INT_P): Define.
15559 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15560 instead of GET_CODE(x) == CONST_INT.
15561 (vax_rtx_costs): Likewise.
15562 (vax_output_int_move): Likewise.
15563 (vax_output_int_add): Likewise.
15564 (legitimate_constant_address_p): Likewise.
15565 (index_term_p): Likewise.
15566 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15567 * config/vax/vax.md (and<mode>3): Likewise.
15568 (ashrsi3): Likewise.
15570 (movstricthi): Likewise.
15571 (movstrictqi): Likewise.
15572 (rotrsi3): Likewise.
15573 (five unnamed insns): Likewise.
15575 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15577 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15578 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15579 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15580 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15581 Pass to ASM_OUTPUT_DWARF_OFFSET.
15582 * dwarf2out.c (debug_frame_section): New.
15583 (output_call_frame_info): Use debug_frame_section. Pass it to
15584 dw2_asm_output_offset.
15585 (output_die): Pass appropriate section to dw2_asm_output_offset.
15586 (output_compilation_unit_header): Likewise.
15587 (output_pubnames): Likewise.
15588 (output_aranges): Likewise.
15589 (enum dw_val_class): Break dw_val_class_lbl_offset into
15590 dw_val_class_lineptr and dw_val_class_macptr.
15591 (add_AT_lbl_offset): Delete.
15592 (add_AT_lineptr): New.
15593 (add_AT_macptr): New.
15594 (AT_lbl): Expect a lineptr or macptr.
15595 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15596 (attr_checksum): Likewise.
15597 (same_dw_val_p): Likewise.
15598 (size_of_die): Likewise.
15599 (value_format): Likewise.
15600 (output_die): Likewise.
15601 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15603 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15604 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15605 * config/darwin-protos.h (darwin_file_start): New.
15606 (darwin_asm_output_dwarf_offset): New.
15607 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15608 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15610 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15611 if not EH section; simplify.
15612 (darwin_file_start): New.
15613 (darwin_asm_output_dwarf_offset): New.
15614 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15616 (DEBUG_INFO_SECTION): Likewise.
15617 (DEBUG_ABBREV_SECTION): Likewise.
15618 (DEBUG_ARANGES_SECTION): Likewise.
15619 (DEBUG_MACINFO_SECTION): Likewise.
15620 (DEBUG_LINE_SECTION): Likewise.
15621 (DEBUG_LOC_SECTION): Likewise.
15622 (DEBUG_PUBNAMES_SECTION): Likewise.
15623 (DEBUG_STR_SECTION): Likewise.
15624 (DEBUG_RANGES_SECTION): Likewise.
15625 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15626 (ASM_OUTPUT_DWARF_OFFSET): New.
15628 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15630 * config.gcc (tm_defines): Always add to previous value rather
15633 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15635 * config/mips/predicates.md (splittable_const_int_operand): New,
15636 split from move_operand.
15637 (splittable_symbolic_operand): New.
15638 (move_operand): Add commentary. Use splittable_const_int_operand.
15639 Inline mips_atomic_symbolic_constant_p.
15640 * config/mips/mips.md: Add combine splitters for handling moves
15641 of splittable_const_int_operands and splittable_symbolic_operands.
15642 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15643 (mips_split_symbol): Declare.
15644 (mips_move_integer): Declare.
15645 * config/mips/mips.c (mips_split_p): Make global.
15646 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15647 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15648 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15649 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15650 (mips_offset_within_object_p): Handle block symbols.
15651 (mips_atomic_symbolic_constant_p): Delete.
15652 (mips_cannot_force_const_mem): Return false for constants that
15653 mips_legitimize_move can handle.
15654 (mips_use_blocks_for_constant_p): New function.
15655 (mips_split_symbol): Make global.
15656 (mips_move_integer): Likewise. Add a temporary register argument.
15657 (mips_legitimize_const_move): Use splittable_const_int_operand and
15658 splittable_symbolic_operand.
15659 (mips_use_anchors_for_symbol_p): New function.
15660 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15661 (mips_split_p): Declare.
15663 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15665 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15666 (mips*-*-linux*): Likewise.
15668 2006-03-16 Roger Sayle <roger@eyesopen.com>
15669 Daniel Speyer <dspeyer@wam.umd.edu>
15671 PR middle-end/18259
15672 * tree-dump.c (dump_real): New function.
15673 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15674 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15675 (tree-dump.o): Add $(REAL_H) to the dependencies.
15677 2006-03-16 Roger Sayle <roger@eyesopen.com>
15679 PR middle-end/21781
15680 * real.c (real_from_string): If the mantissa is zero, don't bother
15681 parsing the exponent as the result should always be zero.
15683 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15685 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15687 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15689 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15690 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15691 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15692 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15693 ia64_sched_finish_global): New static functions to implement
15694 hooks from gcc_target.sched.
15695 (spec_check_no, max_uid, pending_data_specs): New static variables.
15696 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15697 ia64_spec_check_src_p): New static functions.
15698 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15699 (TARGET_SCHED_ADJUST_COST): Removed.
15700 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15701 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15702 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15703 TARGET_SCHED_GEN_CHECK,
15704 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15705 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15706 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15707 Fixed to handle speculation checks.
15708 (rtx_needs_barrier): Fixed to handle speculative loads and
15710 (ia64_variable_issue): Added code to count speculative loads and their
15712 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15714 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15716 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15718 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15719 (ia64_reorg): Reset stops_p to NULL after it is freed.
15720 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15721 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15722 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15724 (data_speculative, control_speculative, check_load): New attributes.
15725 (mov<mode>_advanced, mov<mode>_speculative,
15726 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15727 zero_extend<mode>di2_speculative,
15728 zero_extend<mode>di2_speculative_advanced): New patterns for
15729 data and control speculative loads.
15730 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15732 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15733 New pattern for data and control speculation checks.
15734 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15735 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15736 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15737 Auxiliary definitions for the patterns.
15738 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15739 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15741 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15743 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15744 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15745 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15746 New resource constraints.
15747 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15749 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15750 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15751 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15752 msched-in-control-spec, msched-ldc, msched-control-ldc,
15753 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15754 msched-prefer-non-control-spec-insns,
15755 msched-count-spec-in-critical-path): New flags to tune speculative
15757 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15758 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15759 msched-in-control-spec, msched-ldc, msched-control-ldc,
15760 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15761 msched-prefer-non-control-spec-insns,
15762 msched-count-spec-in-critical-path): Document new flags.
15764 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15766 * target.h (struct spec_info_def): New opaque declaration.
15767 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15768 speculate_insn, needs_block_p, gen_check,
15769 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15770 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15771 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15772 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15773 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15774 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15776 (TARGET_SCHED): Use new macros.
15777 * rtl.h (copy_DEPS_LIST_list): New prototype.
15778 * sched-int.h (struct sched_info): Change signature of new_ready field,
15779 adjust all initializations. New fields: add_remove_insn,
15780 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15781 region_head_or_leaf_p.
15782 (struct spec_info_def): New structure declaration.
15783 (spec_info_t): New typedef.
15784 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15785 recovery_block, orig_pat.
15786 (glat_start, glat_end): New variables declaraions.
15787 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15789 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15790 DETACH_LIFE_INFO, USE_GLAT.
15791 (enum SPEC_SCHED_FLAGS): New enumeration.
15792 (NOTE_NOTE_BB_P): New macro.
15793 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15794 attach_life_info, debug_spec_status, check_reg_live): New functions.
15795 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15796 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15798 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15799 * ddg.c (get_block_head_tail): Adjust all uses.
15800 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15801 (sms_sched_info): Initialize new fields.
15802 (contributes_to_priority): Removed.
15803 * haifa-sched.c (params.h): New include.
15804 (get_block_head_tail): Adjust all uses.
15805 (ISSUE_POINTS): New macro.
15806 (glat_start, glat_end): New global variables.
15807 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15808 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15809 old_last_basic_block, before_recovery, current_sched_info_var,
15810 rgn_n_insns, luid): New static variables.
15811 (insn_cost1): New function. Move logic from insn_cost to here.
15812 (find_insn_reg_weight1): New function. Move logic from
15813 find_insn_reg_weight to here.
15814 (reemit_notes, move_insn, max_issue): Change signature.
15815 (move_insn1): Removed.
15816 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15817 extend_bb): New static functions to support extension of scheduler's
15819 (generate_recovery_code, process_insn_depend_be_in_spec,
15820 begin_speculative_block, add_to_speculative_block,
15821 init_before_recovery, create_recovery_block, create_check_block_twin,
15822 fix_recovery_deps): New static functions to support
15823 generation of recovery code.
15824 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15825 restore_bb_notes, move_block_after_check, move_succs): New static
15826 functions to support ebb scheduling.
15827 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15828 functions to support handling of register live information.
15829 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15830 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15831 add_jump_dependencies): New static functions.
15832 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15833 consistancy checking.
15834 (debug_spec_status): New function to call from debugger.
15835 (priority): Added code to handle speculation checks.
15836 (rank_for_schedule): Added code to distinguish speculative instructions.
15837 (schedule_insn): Added code to handle speculation checks.
15838 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15839 Fixed to handle ebbs.
15840 (move_insn): Added code to handle ebb scheduling.
15841 (max_issue): Added code to use ISSUE_POINTS of instructions.
15842 (choose_ready): Added code to choose between speculative and
15843 non-speculative instructions.
15844 (schedule_block): Added code to handle ebb scheduling and scheduling of
15845 speculative instructions.
15846 (sched_init): Initialize new variables.
15847 (sched_finish): Free new variables. Print statistics.
15848 (try_ready): Added code to handle speculative instructions.
15849 * lists.c (copy_DEPS_LIST_list): New function.
15850 * sched-deps.c (extend_dependency_caches): New function. Move logic
15851 from create_dependency_caches to here.
15852 (get_dep_weak, ds_merge): Make global.
15853 * genattr.c (main): Code to output prototype for
15854 dfa_clear_single_insn_cache.
15855 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15856 (output_dfa_clean_insn_cache_func): Code to output
15857 dfa_clear_single_insn_cache function.
15858 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15860 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15862 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15863 New static variables.
15864 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15865 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15867 (ebb_sched_info): Initialize new fields.
15868 (get_block_head_tail): Adjust all uses.
15869 (compute_jump_reg_dependencies): Fixed to use glat_start.
15870 (schedule_ebb): Code to remove unreachable last block.
15871 (schedule_ebbs): Added code to update register live information.
15872 * sched-rgn.c (region_sched_info): Initialize new fields.
15873 (get_block_head_tail): Adjust all uses.
15874 (last_was_jump): Removed. Adjust users.
15875 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15876 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15877 Implement new hooks.
15878 (check_dead_notes1): New static function.
15879 (struct region): New fields: dont_calc_deps, has_real_ebb.
15880 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15881 (BB_TO_BLOCK): Fixed to handle EBBs.
15882 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15883 (ebb_head): New static variable.
15884 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15885 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15887 (compute_dom_prob_ps): New assertion.
15888 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15889 global_live_at_start.
15890 (init_ready_list): New assertions.
15891 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15892 (new_ready): Add support for BEGIN_CONTROL speculation.
15893 (schedule_insns): Fixed code that updates register live information
15895 (schedule_region): Fixed to handle EBBs.
15896 (init_regions): Use extend_regions and check_dead_notes1.
15897 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15898 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15899 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15900 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15901 TARGET_SCHED_GEN_CHECK,
15902 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15903 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15904 * doc/invoke.texi (max-sched-insn-conflict-delay,
15905 sched-spec-prob-cutoff): Document.
15907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15909 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15910 inter_tick, queue_index.
15911 (struct sched_info): Change signature of init_ready_list field.
15912 Adjust all initializations.
15913 (RESOLVED_DEPS): New access macro.
15914 (ready_add): Remove prototype.
15915 (try_ready): Add prototype.
15916 * sched-rgn.c (init_ready_list): Use try_ready.
15917 (schedule_region): Initialize
15918 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15919 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15920 (init_ready_list): Use try_ready.
15921 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15922 * lists.c (remove_list_elem): Remove `static'.
15923 (remove_free_INSN_LIST_elem): New function.
15924 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15925 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15926 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15928 (readyp): New variable.
15929 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15930 change_queue_index, resolve_dep): New static functions.
15931 (try_ready): New function. Adjust callers in sched-rgn.c and
15932 sched-ebb.c to use it instead of ready_add.
15933 (clock_var): Move at the begining of file.
15934 (rank_for_schedule): Fix typo.
15935 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15936 (ready_lastpos): Enforce assertion.
15937 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15938 update all callers.
15939 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15940 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15941 (queue_to_ready): Use free_INSN_LIST_list.
15942 (early_queue_to_ready): Fix typo.
15943 (schedule_block): Init readyp. Move init_ready_list call after the
15944 initialization of clock_var. Fix error in rejecting insn by
15945 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15946 that previously corrected INSN_TICKs. Add code for handling
15948 (set_priorities): Fix typo.
15949 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15950 Clarify comment and code that keeps current_sched_info->next_tail
15953 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15955 * sched-rgn.c (extend_rgns): New static function.
15956 (find_rgns): Use it.
15957 (gather_region_statistics, print_region_statistics): New static
15959 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15960 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15962 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15963 Andrey Belevantsev <abel@ispras.ru>
15965 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15966 * lists.c (unused_deps_list): New variable.
15967 (free_list): Add assertions to verify the proper distinguishing
15968 between INSN_LISTs and DEPS_LISTs.
15969 (find_list_elem, remove_list_elem, remove_list_node): New static
15971 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15972 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15973 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15974 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15976 (free_INSN_LIST_node): Likewise.
15977 * modulo-sched.c (current_sched_info): Initialize flags field.
15978 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
15979 * rtl.def (DEPS_LIST): Define.
15980 * rtl.h: Declare new functions from lists.c.
15981 * sched-deps.c (spec_dependency_cache): New static variable.
15982 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
15983 (add_dependence): Change return type to void. Move the logic to ...
15984 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
15985 (delete_all_dependences): Add comment about forward_dependency_cache.
15986 Handle spec_dependency_cache. Handle DEPS_LISTs.
15987 (fixup_sched_groups): Clarify the change of priority of output
15988 and anti dependencies.
15989 (sched_analyze_2): Adjust add_dependence calls to create data
15990 speculative dependence.
15991 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
15992 Adjust all callers. Handle DEPS_LISTS.
15993 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
15994 presence of speculation.
15995 (init_dependency_caches, free_dependency_caches):
15996 Handle spec_dependency_cache.
15997 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
15998 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
15999 New static functions.
16000 (add_or_update_back_dep, add_or_update_back_forw_dep,
16001 add_back_forw_dep, delete_back_forw_dep): New functions.
16002 * sched-int.h (ds_t, dw_t): New typedefs.
16003 (struct sched_info): Add new field flags.
16004 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16005 Prototype new sched-deps.c functions.
16006 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16007 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16008 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16009 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16010 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16011 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16013 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16015 * sched-rgn.c (current_sched_info): Initialize flags field.
16016 (schedule_insns): Initialize current_sched_info before the sched_init
16018 * sched-ebb.c (current_sched_info): Initialize flags field.
16019 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16020 Call add_or_update_back_dep instead of add_dependence.
16021 Create control speculative dependencies.
16022 (schedule_insns): Initialize current_sched_info before the sched_init
16025 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16027 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16029 (sh_fallback_frame_state): Likewise.
16031 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16033 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16034 Do switch on default_use_cxa_atexit.
16035 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16036 * config/darwin-crt3.o: New.
16037 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16038 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16039 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16041 * config/rs6000/t-darwin: Move crt2.o building to here.
16042 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16043 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16046 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16048 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16049 from '! xxx' to '!xxx' for coding-style conformance.
16050 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16051 (EXTRA_CONSTRAINT): Likewise.
16052 * config/vax/vax.md (four unnamed insns): Likewise.
16054 2006-03-15 Paul Brook <paul@codesourcery.com>
16056 * config/arm/arm.c (minipool_pad): New.
16057 (add_minipool_forward_ref): Include pool alignment padding in address
16059 (push_minipool_fix): Set minipool_pad.
16060 (minipool_pad): Ditto.
16062 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16064 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16065 instead of GET_CODE() == MEM and REG_P() instead of
16067 (print_operand_address): Likewise.
16068 (vax_address_cost): Likewise.
16069 (vax_rtx_costs): Likewise.
16070 (vax_notice_update_cc): Likewise.
16071 (vax_output_int_add): Likewise.
16072 (INDEX_REGISTER_P): Likewise.
16073 (BASE_REGISTER_P): Likewise.
16074 (nonindexed_address_p): Likewise.
16075 (vax_mode_dependent_address_p): Likewise.
16076 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16077 (PRINT_OPERAND): Likewise.
16078 * config/vax/vax.md (ashlsi3): Likewise.
16079 (ashlsi3): Likewise.
16080 (some more unnamed insns): Likewise.
16082 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16084 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16085 iterator-style macro.
16086 (mark_control_dependent_edges_necessary): Update the use of
16087 EXECUTE_IF_CONTROL_DEPENDENT.
16089 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16091 * config/sh/predicates.md (cache_address_operand): Special.
16092 (ua_address_operand): Likewise.
16094 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16096 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16098 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16100 2006-03-15 Andreas Schwab <schwab@suse.de>
16102 * gensupport.c (identify_predicable_attribute): Don't free p_false
16103 when it is still in use.
16105 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16107 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16108 the default setting here.
16110 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16112 * tree-pass.h (pass_cfg): Remove.
16113 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16114 * passes.c (pass_cfg): Don't run it.
16116 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16118 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16119 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16121 (stack_regs_mentioned): Update the uses of
16122 stack_regs_mentioned_data. Don't access the array beyond its
16124 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16125 Don't include gt-reg-stack.h.
16127 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16128 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16130 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16132 PR middle-end/26684
16133 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16136 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16138 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16140 2006-03-14 Richard Guenther <rguenther@suse.de>
16142 PR tree-optimization/26672
16143 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16146 2006-03-14 Richard Guenther <rguenther@suse.de>
16148 PR tree-optimization/26667
16149 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16150 node for the callees. Always allow inlining if it will shrink
16153 2006-03-14 Richard Guenther <rguenther@suse.de>
16155 PR middle-end/26659
16156 * builtins.c (get_pointer_alignment): Prefer alignment
16157 information from decls over that from types.
16159 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16162 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16164 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16166 * config/rs6000/rs6000.opt (mdlmzb): New option.
16167 (msched-prolog, msched-epilog): Use Var not Mask.
16168 * doc/invoke.texi (-mdlmzb): Document.
16169 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16171 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16172 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16174 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16176 PR rtl-optimization/25739
16177 * bt-load.c (augment_live_range): Free tos pointer.
16179 * gensupport.c (identify_predicable_attribute): Free
16181 * gcov.c (create_file_names): Free name pointer.
16183 2006-03-13 Roger Sayle <roger@eyesopen.com>
16185 PR middle-end/26557
16186 * stmt.c (emit_case_nodes): Handle the case where the index is a
16187 CONST_INT, where the comparison mode is specified by the index type.
16189 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16191 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16194 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16196 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16197 (*branch_fp_inverted): Likewise.
16199 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16201 PR middle-end/25989
16202 * omp-low.c (expand_omp_for_generic): Mark istart0
16203 and iend0 as addressable.
16205 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16207 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16209 2006-03-13 Jeff Law <law@redhat.com>
16211 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16212 virtual operands are interesting.
16213 (vrp_visit_stmt): Corresponding changes.
16215 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16217 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16219 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16220 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16221 * config/bfin/crti.S: Use it instead of __PIC__.
16222 * config/bfin/crtn.S: Likewise.
16224 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16225 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16227 Lose 'G' modifier for call operand.
16228 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16229 recognize 'G' modifier.
16231 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16233 PR middle-end/18859
16234 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16235 * stmt.c (expand_case): Likewise.
16237 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16239 PR rtl-optimization/26254
16240 * loop-invariant.c (seq_insns_valid_p): New function.
16241 (move_invariant_reg): Only emit new code if it is valid.
16243 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16245 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16247 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16248 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16249 (commit_one_edge_insertion): Do not look for loop notes.
16251 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16253 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16254 flag_test_coverage out of loop.
16256 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16258 * final.c (shorten_branches): Remove outdated comment, and turn
16259 the if branch that guards it to continue.
16261 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16263 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16264 * cfgloop.h (struct loop): Remove unused fields.
16266 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16268 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16269 (-dL, -fdump-rtl-loop2): Update the dump file names
16271 * doc/invoke.texi: Update dump file names.
16273 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16275 * predict.c (estimate_probability): Remove.
16276 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16277 * basic-block.h (estimate_probability): Remove prototype.
16278 * passes.c (finish_optimization_passes): Dump branch prediction or
16279 profiling heuristics to the .profile tree dump.
16280 (init_optimization_passes): Unqueue pass_branch_prob.
16282 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16284 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16286 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16287 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16289 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16291 * function.h (frame_offset_overflow): Declare.
16292 * function.c (frame_offset_overflow): New function.
16293 (assign_stack_local_1): Call it to detect that the offset overflows.
16294 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16296 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16298 * config/sh/sh.c: Include alloc-pool.h.
16299 (label_ref_list_pool): New alloc pool.
16300 (label_ref_list_t): New type for lists of labels.
16301 (struct pool_node): Make wend a label_ref_list_t.
16302 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16304 (dump_table): Likewise.
16305 (sh_reorg): Set up the alloc pool before using add_constant and
16306 dump_table, and destroy it when finishing.
16308 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16310 * config/mips/mips.c: Remove redundant comment.
16312 2006-03-10 Jason Merrill <jason@redhat.com>
16315 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16316 the target was declared 'register'.
16318 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16320 * genpreds.c (write_insn_constraint_len): Change definition of
16321 insn_constraint_len to return size_t to match the declaration.
16323 2006-03-10 DJ Delorie <dj@redhat.com>
16325 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16327 (m32c_expand_insv): Fix test for an AND mask.
16329 2006-03-10 Richard Guenther <rguenther@suse.de>
16331 PR middle-end/26565
16332 * builtins.c (get_pointer_alignment): Handle component
16333 references for field alignment.
16335 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16337 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16338 when building with libgloss.
16339 (sh*elf): Implement --without-fp option.
16340 (sh64-superh-linux*): Don't multilib.
16342 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16344 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16346 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16348 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16349 Set it when one of the replacement functions returned true.
16350 Return TODO_cleanup_cfg if cfgchanged is true.
16351 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16353 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16355 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16356 instead of gen_lowpart.
16358 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16360 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16362 (mips_output_order_conditional_branch): Declare.
16363 * config/mips/mips.h (MIPS_BRANCH): New macro.
16364 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16365 for the comparison. Use gen_condjump.
16366 (mips_output_conditional_branch): Rework interface to take the
16367 asm templates for a direct branch and the inverse of a direct branch.
16368 (mips_output_order_conditional_branch): New function.
16369 (mips_builtin_branch_and_move): New function.
16370 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16371 branch condition. Use gen_single_cc as the condition for
16372 __builtin_mips_upper_* or __builtin_mips_lower_*.
16373 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16374 Use VOIDmode for the branch condition.
16375 * config/mips/predicates.md (order_operator): New predicate.
16376 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16377 (branch_fp): Rename to...
16378 (*branch_fp): ...this. Remove mode from comparison operator.
16379 Use new mips_output_conditional_branch interface.
16380 (branch_fp_inverted): Rename to...
16381 (*branch_fp_inverted): ...this and update as for *branch_fp.
16382 (*branch_zero<mode>): Rename to...
16383 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16384 Use mips_output_order_conditional_branch. Only accept ordered
16386 (*branch_zero<mode>_inverted): Rename to...
16387 (*branch_order<mode>_inverted): ...this and update as for
16388 *branch_order<mode>.
16389 (*branch_equality<mode>): Accept zero as the second operand to
16390 the equality operator. Use the new mips_output_conditional_branch
16392 (*branch_equality<mode>_inverted): Likewise.
16393 (condjump): New expander.
16394 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16396 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16397 (bc1any2t, bc1any2f): Likewise.
16398 (single_cc): New expander.
16399 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16401 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16403 * doc/md.texi: Update documentation of MIPS constraints.
16404 * config/mips/constraints.md: New file.
16405 * config/mips/mips.md: Include it.
16406 * config/mips/mips.c (mips_char_to_class): Delete.
16407 (override_options): Don't initialize mips_char_to_class.
16408 * config/mips/mips.h (mips_char_to_class): Delete.
16409 (REG_CLASS_FROM_LETTER): Delete.
16410 (CONST_OK_FOR_LETTER_P): Delete.
16411 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16412 (EXTRA_CONSTRAINT_Y): Delete.
16413 (EXTRA_CONSTRAINT_STR): Delete.
16414 (CONSTRAINT_LEN): Delete.
16415 (EXTRA_MEMORY_CONSTRAINT): Delete.
16417 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16419 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16420 original fn's eh regions.
16422 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16424 * fold-const.c (build_range_check): Make sure to use a valid type to
16425 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16428 (range_predecessor): New static function.
16429 (range_successor): Likewise.
16430 (merge_ranges): Use them to compute predecessors and successors of
16433 2006-03-09 Roger Sayle <roger@eyesopen.com>
16435 PR middle-end/26561
16436 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16437 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16439 2006-03-08 DJ Delorie <dj@redhat.com>
16441 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16442 (addpsi3): Expand to include memory operands. Remove
16443 reload-specific splits.
16444 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16445 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16446 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16447 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16448 (shift1_qi, shift1_hi, insv): New.
16449 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16450 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16451 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16453 * config/m32c/m32c-protos.h: Update as needed.
16454 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16455 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16456 Fail for unrecognized R* constraints.
16457 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16458 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16459 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16461 (m32c_init_libfuncs): New.
16462 (m32c_legitimate_address_p): Add debug wrapper.
16463 (m32c_rtx_costs): New.
16464 (m32c_address_cost): New.
16465 (conversions): Add 'B' prefix.
16466 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16467 operands, or word regnames for QI operands. 'B' prints bit
16469 (m32c_expand_setmemhi): New.
16470 (m32c_expand_movmemhi): New.
16471 (m32c_expand_movstr): New.
16472 (m32c_expand_cmpstr): New.
16473 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16474 (m32c_expand_neg_mulpsi3): Handle non-ints.
16475 (m32c_cmp_flg_0): New.
16476 (m32c_expand_movcc): New.
16477 (m32c_expand_insv): New.
16478 (m32c_scc_pattern): New.
16479 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16480 a0/a1 out of SIregs.
16481 (STORE_FLAG_VALUE): New.
16482 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16485 * config/m32c/mov.md: Make constraints more liberal.
16486 (zero_extendqihi2): Optimize r0/r1 case.
16487 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16488 * config/m32c/predicates.md (m32c_any_operand): New.
16489 (m32c_nonimmediate_operand): New.
16490 (m32c_hl_operand): New.
16491 (m32c_r3_operand): New.
16494 (memsym_operand): New.
16495 (memimmed_operand): New.
16496 (a_qi_operand): New.
16497 (m32c_eqne_operator): New.
16498 (m32c_1bit8_operand): New.
16499 (m32c_1bit16_operand): New.
16500 (m32c_1mask8_operand): New.
16501 (m32c_1mask16_operand): New.
16502 * config/m32c/blkmov.md: New file.
16503 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16505 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16507 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16508 unsigned to fix signed/unsigned comparison issue in
16509 DWARF2_FRAME_REG_OUT.
16510 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16511 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16513 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16514 of ptr into the ENABLE_CHECKING section.
16516 2006-03-08 Jeff Law <law@redhat.com>
16518 * tree-vrp.c (infer_value_range): Only count pointer uses
16519 and dereferences if -fdelete-null-pointer-checks is enabled.
16521 * tree-vrp.c (find_assert_locations): Infer value ranges for
16522 single use pointers, but do not create ASSERT_EXPRs for them.
16523 When a non-null range is inferred for a pointer, backwards
16524 propagate that range to other equivalent pointers through the
16527 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16530 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16531 language hook targets.
16532 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16533 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16534 if language hook targets were missing.
16536 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16538 * tree-ssa-opfinalize.h: Removed.
16539 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16541 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16542 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16543 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16544 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16545 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16546 finalize_ssa_v_must_def_ops): New.
16548 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16550 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16551 block as parameter.
16553 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16555 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16557 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16558 addresses with offsets; reorganize.
16560 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16561 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16562 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16564 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16567 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16569 2006-03-08 Ben Elliston <bje@au.ibm.com>
16571 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16573 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16576 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16579 2006-03-07 Richard Guenther <rguenther@suse.de>
16581 PR tree-optimization/26587
16582 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16584 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16586 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16588 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16590 * hooks.c (hook_bool_mode_rtx_true): New function.
16591 * hooks.h (hook_bool_mode_rtx_true): Declare.
16592 * toplev.c (compile_file): Call output_shared_constant_pool.
16593 * varasm.c (shared_constant_pool): New variable.
16594 (assemble_start_function, assemble_end_function): Remove arguments
16595 from call to output_constant_pool.
16596 (create_constant_pool): New function, split out from...
16597 (init_varasm_status): ...here.
16598 (force_const_mem): Choose between the shared and per-function constant
16599 pools. Set current_function_uses_const_pool when reusing old entries
16600 as well as when creating new ones.
16601 (mark_constant): Ignore data argument.
16602 (mark_constants): Remove pool argument.
16603 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16604 to decide whether the function uses a constant pool.
16605 (output_constant_pool_contents): New function, split out from...
16606 (output_constant_pool): ...here.
16607 (output_shared_constant_pool): New function.
16608 (init_varasm_once): Initialize shared_constant_pool.
16609 * output.h (output_constant_pool): Delete.
16610 (output_shared_constant_pool): Declare.
16611 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16612 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16614 2006-03-06 Nick Clifton <nickc@redhat.com>
16616 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16617 flag_strength_reduce.
16619 2006-03-06 Ben Elliston <bje@au.ibm.com>
16621 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16622 x86_64-*-linux* configurations.
16624 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16625 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16627 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16629 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16631 * basic-block.h: Remove the extern for
16632 rediscover_loops_after_threading.
16634 * cfgloop.c (cancel_loop): Make it static.
16635 * cfgloop.h: Remove the prototype for cancel_loop.
16637 * flow.c (recompute_reg_usage): Make it static.
16638 * rtl.h: Remove the prototype for recompute_reg_usage.
16640 * function.c (use_return_register): Make it static.
16641 * function.h: Remove the prototype.
16643 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16645 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16647 * recog.h: Remove the prototype for
16648 validate_change_maybe_volatile.
16650 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16652 * rtlanal.c (replace_reg): Remove.
16653 * rtl.h: Remove the prototype for replace_reg.
16655 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16657 * regclass.c (reg_scan_update): Remove.
16658 (reg_scan_mark_refs): Remove the last argument.
16659 * rtl.h: Remove the prototype for reg_scan_update.
16661 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16663 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16664 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16665 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16666 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16667 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16668 loop-invariant.c, omp-low.c, opts.c, passes.c,
16669 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16670 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16671 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16672 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16673 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16674 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16676 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16678 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16679 * dwarf2out.h: Remove the prototype for
16680 dwarf2out_add_library_unit_info.
16682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16684 * tree.c (add_var_to_bind_expr): Remove.
16685 * tree.h: Remove the prototype for add_var_to_bind_expr.
16687 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16689 * regclass.c (n_non_fixed_regs): Remove.
16690 (init_reg_sets_1, globalize_reg): Remove all uses of
16692 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16694 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16696 * rtlanal.c (insns_safe_to_move_p): Remove.
16697 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16699 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16701 * expmed.c (expand_mult_add): Remove.
16702 * expr.h: Remove the prototype for expand_mult_add.
16704 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16706 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16707 and REG_SAVED_VAL_EXP constants.
16708 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16709 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16710 Handle regs stored by value.
16711 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16712 (execute_cfa_program): Handle DW_CFA_val_offset,
16713 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16714 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16715 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16716 (uw_install_context_1): Handle target regs stored by value.
16718 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16720 * tree-sra.c (tree_sra): Return todoflags;
16721 (generate_one_element): Set TODO_update_smt_usage if needed.
16722 (pass_sra): Remove TODO_update_smt_usage.
16723 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16725 (tree_ssa_forward_propagate_single_use_vars): Return
16726 TODO_update_smt_usage if we need to update SMT usage.
16727 (pass_forwprop): Remove TODO_update_smt_usage.
16729 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16731 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16732 (correct_use_link): Remove reference to get_stmt_operands.
16733 (update_stmt_operands): Likewise.
16734 (get_modify_expr_operands): New function factored out of
16735 parse_ssa_operands and get_expr_operands.
16736 Try to create V_MUST_DEFs for LHS by default.
16737 (get_expr_operands) <case MODIFY_EXPR>: Call
16738 get_modify_expr_operands.
16739 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16740 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16741 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16742 get_modify_expr_operands.
16744 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16746 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16747 * tree-flow.h: Remove the prototype for
16748 referenced_var_lookup_if_exists.
16750 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16752 PR rtl-optimization/26345
16754 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16756 2006-03-03 Roger Sayle <roger@eyesopen.com>
16758 PR tree-optimization/26524
16759 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16760 fold_convert to create a constant of the appropriate type.
16762 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16764 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16765 SYMBOL_REF_IN_BLOCK_P.
16766 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16767 of SYMBOL_FLAG_IN_BLOCK.
16768 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16769 instead of SYMBOL_REF_IN_BLOCK_P.
16770 * explow.c (use_anchored_address): Likewise.
16771 * rtl.c (rtx_size): Likewise.
16772 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16773 instead of SYMBOL_FLAG_IN_BLOCK.
16774 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16775 SYMBOL_REF_IN_BLOCK_P.
16776 (assemble_variable): Likewise.
16777 (output_constant_def_contents): Likewise.
16778 (output_constant_pool): Likewise.
16779 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16780 instead of SYMBOL_FLAG_IN_BLOCK.
16781 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16782 SYMBOL_REF_IN_BLOCK_P.
16783 (SYMBOL_REF_BLOCK): Likewise.
16784 (SYMBOL_REF_OFFSET): Likewise.
16785 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16786 SYMBOL_REF_IN_BLOCK_P.
16787 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16788 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16789 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16790 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16792 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16794 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16796 2006-03-02 Roger Sayle <roger@eyesopen.com>
16798 * simplify-rtx.c (simplify_unary_operation): When simplifying
16799 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16800 that we perform the right shift in the appropriate mode, and
16801 then extend or truncate the result to requested mode.
16803 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16805 * gengtype.c (main): Handle double_int type.
16806 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16807 * double-int.c: New file.
16808 * double-int.h: New file.
16809 * system.h: Include doubleint.h.
16810 * Makefile.in (SYSTEM_H): Include double-int.h.
16811 (double-int.o): Add.
16813 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16816 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16819 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16821 * tree-vrp.c (remove_range_assertions): Do not update statements
16824 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16826 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16828 * gcse.c (rest_of_handle_gcse): Ditto.
16829 * except.c (gate_handle_eh): Ditto.
16830 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16831 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16833 2006-03-02 Eric Christopher <echristo@apple.com>
16835 * config/i386/i386.c (machopic_output_stub): Add indirection to
16838 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16842 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16844 Sun Niagara specific optimizations.
16845 * config.gcc: Recognize niagara as target.
16846 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16847 (TARGET_CPU_niagara): Define.
16848 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16849 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16850 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16851 (ASM_CPU_SPEC): Likewise.
16852 (PROCESSOR_NIAGARA): New enum entry.
16853 (REGISTER_MOVE_COST): Handle Niagara.
16854 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16855 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16856 (sparc_override_options): Recognize "niagara", set appropriate
16857 default MASK_* values for it, and align functions to 32-bytes
16858 by default just like ULTRASPARC/ULTRASPARC3.
16859 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16860 (sparc64_initialize_trampoline): Likewise.
16861 (sparc_use_sched_lookahead): Use zero for niagara.
16862 (sparc_issue_rate): Use one for niagara.
16863 * config/sparc/niagara.md: New file.
16864 * config/sparc/sparc.md: Include it.
16865 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16866 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16867 when default cpu is niagara.
16868 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16869 (ASM_CPU_SPEC): Likewise.
16870 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16871 when default cpu is niagara.
16872 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16873 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16874 just like v9/ultrasparc/ultrasparc3.
16875 * doc/invoke.texi: Add documentation for "niagara" and improve
16876 existing documentation for ultrasparc variants.
16878 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16880 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16882 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16884 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16885 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16886 and say that only one is needed.
16887 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16888 * target.h (have_switchable_bss_sections): New hook.
16889 * explow.c (use_anchored_address): Check that the symbol is in a block.
16890 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16891 (bss_noswitch_section): New variables.
16892 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16893 (get_noswitch_section): New function.
16894 (get_block_for_section): Allow SECT to be null.
16895 (unlikely_text_section_p): Use SECTION_STYLE.
16896 (bss_initializer_p): New function.
16897 (get_variable_section): Move earlier in file. Take a new argument,
16898 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16899 Return one of the new *_sections in such cases.
16900 (get_block_for_decl): New function, extracting some logic from
16901 use_blocks_for_decl_p.
16902 (change_symbol_section): Remove in favor of...
16903 (change_symbol_block): ...this new function.
16904 (use_blocks_for_decl_p): Remove checks now performed by
16905 get_block_for_decl.
16906 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16907 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16908 (emit_local, emit_bss, emit_common): ...these new functions.
16909 Return true if the alignment was honored.
16910 (emit_tls_common): New function.
16911 (asm_emit_uninitialised): Delete.
16912 (assemble_variable_noswitch): New function, split out from...
16913 (assemble_variable): ...here. Don't make decisions about common
16914 variables here. Globalize all public decls that go into non-common
16915 sections. Check whether SYMBOL_REF_BLOCK is null.
16916 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16917 (output_constant_pool): Likewise.
16918 (init_varasm_once): Initialize the new section variables.
16919 (have_global_bss_p): New function.
16920 (categorize_decl_for_section): Use bss_initializer_p.
16921 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16922 (place_block_symbol): Assert that the symbol must be in a block.
16923 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16924 (TARGET_INITIALIZER): Include it.
16925 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16926 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16927 (SECTION_MACH_DEP): Bump by two.
16928 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16929 (unnamed_section): Mention SECTION_UNNAMED in comment.
16930 (named_section): Likewise SECTION_NAMED.
16931 (noswitch_section_callback): New type.
16932 (noswitch_section): New structure.
16933 (section): Add a noswitch_section alternative.
16934 (SECTION_STYLE): New macro.
16935 (tls_comm_section, comm_section, lcomm_section): Declare.
16936 (bss_noswitch_section, have_global_bss_p): Declare.
16937 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16938 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16940 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16941 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16944 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16946 * tree-vrp.c (execute_vrp): Return value.
16947 * regrename.c (rest_of_handle_regrename): Ditto.
16948 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16949 * tree-complex.c (tree_lower_complex): Ditto.
16950 (tree_lower_complex_O0): Ditto.
16951 * tracer.c (rest_of_handle_tracer): Ditto.
16952 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16953 * postreload.c (rest_of_handle_postreload): Ditto.
16954 * tree-tailcall.c (execute_tail_recursion): Ditto.
16955 (execute_tail_calls): Ditto.
16956 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16957 * tree.h (init_function_for_compilation): Ditto.
16958 * ipa-cp.c (ipcp_driver): Ditto.
16959 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16960 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16961 * final.c (compute_alignments): Ditto.
16962 (rest_of_handle_final): Ditto.
16963 (rest_of_handle_shorten_branches): Ditto.
16964 (rest_of_clean_state): Ditto.
16965 * omp-low.c (execute_expand_omp): Ditto.
16966 (execute_lower_omp): Ditto.
16967 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16968 * ipa-reference.c (static_execute): Ditto.
16969 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16970 * reorg.c (rest_of_handle_delay_slots): Ditto.
16971 (rest_of_handle_machine_reorg): Ditto.
16972 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16973 * flow.c (recompute_reg_usage): Ditto.
16974 (rest_of_handle_remove_death_notes): Ditto.
16975 (rest_of_handle_life): Ditto.
16976 (rest_of_handle_flow2): Ditto.
16977 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
16978 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
16979 (do_ssa_store_ccp): Ditto.
16980 (execute_fold_all_builtins): Ditto.
16981 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
16982 * modulo-sched.c (rest_of_handle_sms): Ditto.
16983 * ipa-pure-const.c (static_execute): Ditto.
16984 * cse.c (rest_of_handle_cse): Ditto.
16985 (rest_of_handle_cse2): Ditto.
16986 * web.c (rest_of_handle_web): Ditto.
16987 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
16988 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
16989 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
16990 * tree-nrv.c (tree_nrv): Ditto.
16991 (execute_return_slot_opt): Ditto.
16992 * tree-ssa-alias.c (compute_may_aliases): Ditto.
16993 (create_structure_vars): Ditto.
16994 * loop-init.c (rtl_loop_init): Ditto.
16995 (rtl_loop_done): Ditto.
16996 (rtl_move_loop_invariants): Ditto.
16997 (rtl_unswitch): Ditto.
16998 (rtl_unroll_and_peel_loops): Ditto.
16999 (rtl_doloop): Ditto.
17000 * gimple-low.c (lower_function_body): Ditto.
17001 (mark_used_blocks): Ditto.
17002 * tree-ssa-sink.c (execute_sink_code): Ditto.
17003 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17004 (cgraph_early_inlining): Ditto.
17005 * global.c (rest_of_handle_global_alloc): Ditto.
17006 * jump.c (cleanup_barriers): Ditto.
17007 (purge_line_number_notes): Ditto.
17008 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17009 (rest_of_handle_if_after_reload): Ditto.
17010 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17011 (tree_ssa_loop_im): Ditto.
17012 (tree_ssa_loop_unswitch): Ditto.
17013 (tree_vectorize): Ditto.
17014 (tree_linear_transform): Ditto.
17015 (tree_ssa_loop_ivcanon): Ditto.
17016 (tree_ssa_empty_loop): Ditto.
17017 (tree_ssa_loop_bounds): Ditto.
17018 (tree_complete_unroll): Ditto.
17019 (tree_ssa_loop_prefetch): Ditto.
17020 (tree_ssa_loop_ivopts): Ditto.
17021 (tree_ssa_loop_done): Ditto.
17022 * predict.c (tree_estimate_probability): Ditto.
17023 * recog.c (split_all_insns_noflow): Ditto.
17024 (rest_of_handle_peephole2): Ditto.
17025 (rest_of_handle_split_all_insns): Ditto.
17026 * tree-eh.c (lower_eh_constructs): Ditto.
17027 * regmove.c (rest_of_handle_regmove): Ditto.
17028 (rest_of_handle_stack_adjustments): Ditto.
17029 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17030 * function.c (instantiate_virtual_regs): Ditto.
17031 (init_function_for_compilation): Ditto.
17032 (rest_of_handle_check_leaf_regs): Ditto.
17033 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17034 (rest_of_handle_gcse): Ditto.
17035 * ipa-type-escape.c (type_escape_execute): Ditto.
17036 * alias.c (rest_of_handle_cfg): Ditto.
17037 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17038 * profile.c (rest_of_handle_branch_prob): Ditto.
17039 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17040 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17041 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17042 * tree-dfa.c (find_referenced_vars): Ditto.
17043 * except.c (set_nothrow_function_flags): Ditto.
17044 (convert_to_eh_region_ranges): Ditto.
17045 (rest_of_handle_eh): Ditto.
17046 * emit-rtl.c (unshare_all_rtl): Ditto.
17047 (remove_unnecessary_notes): Ditto.
17048 * except.h (set_nothrow_function_flags): Ditto.
17049 (convert_to_eh_region_ranges): Ditto.
17050 * cfgexpand.c (tree_expand_cfg): Ditto.
17051 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17052 * tree-ssa-pre.c (do_pre): Ditto.
17053 (execute_fre): Ditto.
17054 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17055 (rest_of_handle_jump2): Ditto.
17056 * tree-sra.c (tree_sra): Ditto.
17057 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17058 (execute_mudflap_function_decls): Ditto.
17059 * tree-ssa-copy.c (do_copy_prop): Ditto.
17060 (do_store_copy_prop): Ditto.
17061 * ipa-prop.h (ipcp_driver): Ditto.
17062 * cfglayout.c (insn_locators_initialize): Ditto.
17063 * tree-ssa-forwprop.c
17064 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17065 * cfglayout.h (insn_locators_initialize): Ditto.
17066 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17067 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17068 (execute_late_warn_uninitialized): Ditto.
17069 * rtl.h (cleanup_barriers): Ditto.
17070 (split_all_insns_noflow): Ditto.
17071 (purge_line_number_notes): Ditto.
17072 (unshare_all_rtl): Ditto.
17073 (remove_unnecessary_notes): Ditto.
17074 (recompute_reg_usage): Ditto.
17075 (variable_tracking_main): Ditto.
17076 * integrate.c (emit_initial_value_sets): Ditto.
17077 * integrate.h (emit_initial_value_sets): Ditto.
17078 * tree-optimize.c (execute_free_datastructures): Ditto
17079 (execute_free_cfg_annotations): Ditto.
17080 (execute_fixup_cfg): Ditto.
17081 (execute_cleanup_cfg_pre_ipa): Ditto.
17082 (execute_cleanup_cfg_post_optimizing): Ditto.
17083 (execute_init_datastructures): Ditto.
17084 * tree-object-size.c (compute_object_sizes): Ditto.
17085 * combine.c (rest_of_handle_combine): Ditto.
17086 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17087 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17088 (rest_of_handle_reorder_blocks): Ditto.
17089 (rest_of_handle_partition_blocks): Ditto.
17090 * var-tracking.c (variable_tracking_main): Ditto.
17091 * tree-profile.c (tree_profiling): Ditto.
17092 * tree-vect-generic.c (expand_vector_operations): Ditto.
17093 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17094 * sched-rgn.c (rest_of_handle_sched): Ditto.
17095 (rest_of_handle_sched2): Ditto.
17096 * basic-block.h (free_bb_insn): Ditto.
17097 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17098 * tree-cfg.c (execute_build_cfg): Ditto.
17099 (remove_useless_stmts): Ditto.
17100 (split_critical_edges): Ditto.
17101 (execute_warn_function_return): Ditto.
17102 (execute_warn_function_noreturn): Ditto.
17103 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17104 * cfgrtl.c (free_bb_for_insn): Ditto.
17105 * passes.c (execute_one_pass): Run additional
17106 todos returned by execute function.
17107 * tree-pass.h (struct tree_opt_pass): Make execute
17110 2006-03-02 Richard Guenther <rguenther@suse.de>
17112 * tree-ssa-alias.c (find_used_portions): Consider taking
17113 the address as making the variable not write-only.
17115 2006-03-02 Nick Clifton <nickc@redhat.com>
17117 * config.gcc (default_use_cxa_atexit): Extend the description of
17118 this configure variable. Set its default value to "yes" for
17119 Linux, NetBSD and ELF targets on the assumption that they will
17120 use C libraries with the __cxa_atexit function.
17122 2006-03-02 Ben Elliston <bje@au.ibm.com>
17124 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17125 parameter as unused to suppress a build warning.
17127 2006-03-02 Ben Elliston <bje@au.ibm.com>
17129 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17132 2006-03-01 Roger Sayle <roger@eyesopen.com>
17135 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17136 declared name, the weak reference name, and the typeof name.
17137 (__gthrw): Avoid expanding the declared name suffix.
17138 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17140 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17142 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17144 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17145 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17146 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17147 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17148 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17149 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17150 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17151 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17152 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17153 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17154 (DW_END_default, DW_END_big, DW_END_little): New.
17155 (DW_END_lo_user, DW_END_hi_user): Define.
17156 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17157 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17158 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17161 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17163 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17165 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17167 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17169 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17171 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17172 to 'symbol_mem_tag'.
17174 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17177 2006-03-01 Roger Sayle <roger@eyesopen.com>
17179 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17181 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17184 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17185 MACHO_DYNAMIC_NO_PIC_P.
17186 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17188 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17191 * config/darwin-protos.h (darwin_asm_output_anchor):
17193 * config/darwin-sections.def (cstring_section):
17194 Add SECTION_MERGE to the flags.
17195 (literal4_section): Likewise.
17196 (literal8_section): Likewise.
17197 (objc_selector_refs_section): Likewise.
17198 (objc_cls_refs_section): Likewise.
17199 * config/darwin.c (darwin_asm_output_anchor): New
17201 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17203 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17205 Fix PR tree-optimization/26443
17206 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17207 to todo and PROP_tmt_usage to properties_destroyed.
17208 * tree-ssa-ccp.c (pass_ccp): Ditto.
17209 (pass_store_ccp): Ditto.
17210 * tree-ssa-dom.c (pass_dominator): Ditto.
17212 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17214 * tree-ssa-operands.c: Cleanup whitespace.
17215 (get_asm_expr_operands): Move before first invocation.
17216 (get_indirect_ref_operands): Likewise.
17217 (get_tmr_operands): Likewise.
17218 (get_call_expr_operands): Likewise.
17219 (append_def): Likewise.
17220 (append_use): Likewise.
17221 (append_v_may_def): Likewise.
17222 (append_v_must_def): Likewise.
17223 (add_call_clobber_ops): Likewise.
17224 (add_call_read_ops): Likewise.
17225 (add_stmt_operand): Likewise.
17226 (add_virtual_operand): Likewise.
17227 (build_ssa_operands): Likewise.
17229 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17231 PR middle-end/26022
17233 PR middle-end/24437
17234 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17235 with a call expr to ...
17236 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17238 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17240 * tree-vrp.c (extract_range_from_assert): Remove special
17241 handling for types with super-types.
17243 2006-03-01 Ben Elliston <bje@au.ibm.com>
17245 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17246 and powerpc64-*-linux* configurations.
17247 * config/t-dfprules: New file.
17249 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17250 Compile dfp-bit.c from the source directory using -DWIDTH and
17251 $DFP_CFLAGS to control the compilation of that file, rather than
17252 generating width-specific versions in the build directory.
17253 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17254 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17256 2006-02-28 Zack Weinberg <zackw@panix.com>
17258 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17261 2006-02-28 Eric Christopher <echristo@apple.com>
17263 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17264 Set up IN_LIBGCC definition of TARGET_64BIT.
17265 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17267 2006-02-28 Roger Sayle <roger@eyesopen.com>
17269 PR middle-end/14752
17270 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17271 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17272 cases via the construction of "expr != 0".
17274 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17276 * alias.c (alias_invariant, alias_invariant_size): Remove.
17277 (record_base_value): Remove.
17278 (memrefs_conflict_p): Don't look at alias_invariant.
17279 (end_alias_analysis): Don't free it.
17280 * alias.h (record_base_value): Remove prototype.
17282 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17283 Adam Nemet <anemet@caviumnetworks.com>
17285 * rtl.h (truncated_to_mode): Declare it.
17286 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17287 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17288 (RTL_HOOKS_INITIALIZER): Include it.
17289 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17290 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17291 reg_truncated_to_mode.
17292 * rtlanal.c (truncated_to_mode): Define it.
17293 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17295 2006-02-28 Jeff Law <law@redhat.com>
17297 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17298 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17299 the range allowed by TYPE_PRECISION.
17301 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17303 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17305 PR tree-optimization/26419
17306 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17309 2006-02-27 Zack Weinberg <zackw@panix.com>
17311 * doc/md.texi: Fix typo in previous change.
17313 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17317 2006-02-27 Zack Weinberg <zackw@panix.com>
17319 * rtl.def (define_constraint, define_register_constraint)
17320 (define_memory_constraint, define_address_constraint): New MD forms.
17321 * gensupport.c (process_rtx): Put define_constraint etc on the
17323 * genpreds.c (process_define_predicate): Adjust comment. Validate
17324 the name, and call validate_exp to validate the expression.
17325 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17326 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17327 all callers changed.
17328 (validate_exp, needs_variable, struct constraint_data)
17329 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17330 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17331 (const_dbl_constraints, constraint_max_namelen)
17332 (have_register_constraints, have_memory_constraints)
17333 (have_address_constraints, have_address_constraints)
17334 (have_extra_constraints, have_const_int_constraints)
17335 (have_const_dbl_constraints, mangle, add_constraint)
17336 (process_define_constraint, process_define_register_constraint)
17337 (write_enum_constraint_num, write_lookup_constraint)
17338 (write_insn_constraint_len, write_regclass_for_constraint)
17339 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17340 (write_insn_extra_memory_constraint)
17341 (write_insn_extra_address_constraint)
17342 (write_satisfies_constraint_fns): New.
17343 (write_tm_preds_h): If we have new-style constraint definitions,
17344 prototype the functions generated from them, and define the
17345 old constraint interface (still used by generic code) in terms of
17347 (write_insn_preds_c): If we have new-style constraint definitions,
17348 generate all relevant functions from those definitions.
17349 (main): Handle define_constraint etc.
17350 * genoutput.c (struct constraint_data, indep_constraints)
17351 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17352 (mdep_constraint_len): New data structures and functions, defined
17353 #ifdef USE_MD_CONSTRAINTS.
17354 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17355 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17356 use new logic to validate operand constraints against constraint
17358 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17360 * defaults.h: If none of the old-style constraint macros are
17361 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17362 old-style macros; and poison REG_CLASS_FROM_LETTER,
17363 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17365 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17366 * doc/md.texi: Document new constraint-definition mechanism and the
17367 C interface it provides. Remove references to old mechanism
17368 elsewhere in the document.
17369 (Machine Constraints): Use pathnames relative to gcc directory,
17370 i.e. config/ARCH/FILE. Change i386 section to refer to
17371 config/i386/predicates.md; update that section to match docstrings.
17372 * doc/tm.texi: Move all documentation of the old constraint-
17373 definition macros to their own section, clearly mark as obsolete.
17375 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17376 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17378 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17379 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17380 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17381 constraint strings.
17382 (splits and peepholes): Use satisfies_constraint_*.
17383 * config/i386/i386.c (memory_address_length)
17384 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17386 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17388 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17389 scalar operation to be put back into the loop.
17391 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17394 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17395 (extract_cie_info): Handle S flag in augmentation string.
17396 (execute_cfa_program): If context->signal_frame, execute also
17397 fs->pc == context->ra instructions.
17398 (uw_frame_state_for): If context->signal_frame, don't subtract one
17399 from context->ra to find FDE.
17400 (uw_update_context_1): Set context->signal_frame to
17402 (_Unwind_GetIPInfo): New function.
17403 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17404 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17406 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17407 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17408 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17409 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17410 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17411 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17412 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17413 x86_64_fallback_frame_state): Set fs->signal_frame.
17414 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17415 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17416 (frob_update_context): Likewise. Workaround missing S flag in
17417 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17418 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17419 Remove the psw_addr + 1 hack.
17421 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17423 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17424 with aggregates here.
17425 (find_func_aliases): Remove code for &<aggregate> from here.
17427 2006-02-26 Roger Sayle <roger@eyesopen.com>
17429 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17430 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17431 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17432 as (X & C) ne/eq 0.
17434 2006-02-26 Roger Sayle <roger@eyesopen.com>
17436 PR middle-end/19983
17437 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17439 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17441 * opts.c (decode_options): Do not handle flag_strength_reduce.
17442 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17443 and OPT_fstrength_reduce.
17444 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17445 flag_prefetch_loop_arrays for being nonzero.
17446 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17448 (fprefetch-loop-arrays-rtl): Removed.
17449 (flag_prefetch_loop_arrays): Do not specify the value.
17451 * doc/passes.texi: Update documentation of loop optimizer
17453 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17454 -frerun-loop-opt): Remove.
17456 2006-02-26 Richard Guenther <rguenther@suse.de>
17458 PR tree-optimization/26421
17459 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17460 in function calls that are ADDR_EXPRs as using the whole structure.
17462 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17464 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17465 * tree-pass.h (pass_loop_optimize): Remove.
17466 * passes.c (pass_loop_optimize): Never run it.
17467 * toplev.c (backend_init): Don't call init_loop.
17468 * opts.c (flag_loop_optimize_set): Remove.
17469 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17470 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17471 the old RTL loop optimizer when profiling enabled.
17472 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17473 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17474 pre-headers for the sake of the old RTL loop optimizer.
17475 * Makefile.in: Remove all references to loop.o.
17477 * doc/invoke.texi: Remove all references to -floop-optimize
17478 and -frerun-loop-opt.
17480 2006-02-26 Zack Weinberg <zackw@panix.com>
17482 * doc/md.texi (Machine Constraints): Refer to all files with paths
17483 relative to gcc directory (i.e. config/CPU/file). Add missing
17484 @table @code ... @end table to M32C subsection.
17486 2006-02-26 Roger Sayle <roger@eyesopen.com>
17488 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17490 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17492 2006-02-26 Roger Sayle <roger@eyesopen.com>
17493 James A. Morrison <phython@gcc.gnu.org>
17495 PR middle-end/21137
17496 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17497 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17498 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17499 signedness of the shift operation.
17501 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17503 PR tree-optimization/26359
17504 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17506 2006-02-25 Roger Sayle <roger@eyesopen.com>
17508 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17509 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17510 as X == 0, and some symmetry related transformations.
17511 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17513 2006-02-25 Roger Sayle <roger@eyesopen.com>
17515 PR middle-end/23673
17516 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17517 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17518 symmetry related transformations. Fold (X^C1) == C2 as
17521 2006-02-25 Juergen Weigert <jw@suse.de>
17522 Richard Guenther <rguenther@suse.de>
17524 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17526 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17528 * combine.c (gen_lowpart_or_truncate): Call
17529 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17531 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17533 * doc/invoke.texi: Move -fopenmp description to "Options for
17535 Remove reference to -lgomp.
17537 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17539 * doc/install.texi: Require GNU tar version 1.14.
17541 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17543 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17544 * doc/invoke.texi (C++ Dialect Options): Document
17545 -fno-use-cxa-get-exception-ptr.
17546 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17547 * configure: Regenerate.
17548 * c.opt (fuse-cxa-get-exception-ptr): New.
17549 * c-opts.c (c_common_handle_option): Handle
17550 OPT_fuse_cxa_get_exception_ptr.
17551 * c-common.c (flag_use_cxa_atexit): Update documentation.
17552 (flag_use_cxa_get_exception_ptr): New.
17553 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17554 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17556 (C_COMMON_OVERRIDE_OPTIONS): New.
17558 2006-02-24 Roger Sayle <roger@eyesopen.com>
17560 PR middle-end/24952
17561 * combine.c (try_combine): Explicitly check whether GET_CODE is
17562 a SET or a CLOBBER, instead on checking that it isn't a USE.
17564 2006-02-24 Roger Sayle <roger@eyesopen.com>
17566 * fold-const.c (fold_comparison): New subroutine of fold_binary
17567 containing transformations common to both the equality and
17568 ordering relational operators, factored out of fold_binary.
17569 (fold_binary): Separate out the equality operators (EQ_EXPR
17570 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17571 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17572 transformations common to both.
17573 (fold_div_compare): Fix latent bugs in the previously unreachable
17574 LT_EXPR and GE_EXPR cases.
17576 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17578 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17579 decl libname for clog to __clog on AIX.
17581 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17583 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17586 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17587 output traceback table for thunks. Localise rs6000_stack_info call.
17589 2006-02-23 Roger Sayle <roger@eyesopen.com>
17590 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17592 * gthr-posix.h (__gthrw): Fix typo in comment.
17594 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17596 * doc/cpp.texi (Character sets): Document that we do support
17597 input files to be in any character set.
17599 2006-02-23 Jeff Law <law@redhat.com>
17601 * tree.h (PHI_ARG_NONZERO): Remove.
17602 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17603 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17604 node to the new node.
17606 PR tree-optimization/26425
17607 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17608 min/max, then assume its varying.
17610 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17612 PR rtl-optimization/26316
17613 * rtlanal.c (enum may_trap_p_flags): New.
17614 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17615 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17616 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17617 (may_trap_after_code_motion_p): New function.
17618 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17619 (find_invariant_insn): Use may_trap_after_code_motion_p.
17620 * rtl.h (may_trap_after_code_motion_p): Declare.
17622 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17624 * emit-rtl.c (immed_double_const): Cleanup.
17626 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17628 Fix PR tree-optimization/26376
17629 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17632 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17634 PR middle-end/26412
17635 * gimplify.c (omp_add_variable): Guard variable size decl test with
17636 DECL_SIZE (decl) check.
17638 2006-02-23 Richard Guenther <rguenther@suse.de>
17640 PR middle-end/26439
17641 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17642 like aggregate types.
17644 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17646 * configure.ac: Add --with{,out}-long-double-128 configure option.
17647 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17648 * configure: Rebuilt.
17649 * config.in: Rebuilt.
17650 * doc/install.texi (Options specification): Document
17651 --with-long-double-128.
17653 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17654 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17655 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17656 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17658 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17660 * config/s390/s390.c (override_options): Handle
17661 TARGET_DEFAULT_LONG_DOUBLE_128.
17663 * config/alpha/alpha.c (override_options): Handle
17664 TARGET_DEFAULT_LONG_DOUBLE_128.
17666 * config/sparc/sparc.c (sparc_override_options): Handle
17667 TARGET_DEFAULT_LONG_DOUBLE_128.
17669 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17671 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17672 (real-install-headers-tar, real-install-headers-cpio)
17673 (real-install-headers-cp): New targets.
17675 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17677 * tree.h (variable_section): Delete.
17678 * varasm.c (variable_section): Delete.
17680 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17682 * install.texi: Add notes on install.texi2html.
17683 (Building in parallel): Do not use footnotes.
17685 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17688 * doc/install.texi (Configuration): Document --disable-libgomp.
17690 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17692 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17694 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17696 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17697 (vec_extractv2df_0_sse): New.
17699 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17701 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17702 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17703 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17704 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17705 to the result of the expression.
17706 (def_cfa_1): Adjust.
17707 (frame_pointer_cfa_offset): Rename to...
17708 (frame_pointer_fb_offset): ... this. Adjust all uses.
17709 (convert_cfa_to_loc_list): Rename to...
17710 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17711 Pass it on to build_cfa_loc.
17712 (compute_frame_pointer_to_cfa_displacement): Rename to...
17713 (compute_frame_pointer_to_fb_displacement): ... this. New
17714 offset parameter. Use it in computation.
17715 (gen_subprogram_die): Compute cfa_fb_offset with the new
17716 macro, and use it to compute the fb loc list and the
17719 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17721 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17722 replaced with register_operand.
17723 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17724 non-DREG is expensive.
17725 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17726 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17729 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17731 * doc/install.texi2html: Use set -e.
17733 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17735 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17736 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17737 * doc/invoke.texi (-fshared-data): Delete.
17738 * common.opt (fshared-data): Delete.
17739 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17740 (assemble_static_space): Remove #if 0 code.
17741 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17742 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17743 * config/cris/cris.h: Remove FIXME.
17745 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17747 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17750 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17752 PR middle-end/26379
17753 * combine.c (simplify_shift_const_1): Disable nested shifts
17754 optimization for vector shifts.
17756 2006-02-20 Roger Sayle <roger@eyesopen.com>
17758 PR tree-optimization/26361
17759 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17760 of unsigned integer types.
17762 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17764 * tree-chrec.c (eq_evolutions_p): New.
17765 * tree-chrec.h (eq_evolutions_p): Declared.
17766 * tree-data-ref.c: Fix formatting.
17767 (datadep_stats, dependence_stats): New.
17769 (print_direction_vector): New.
17770 (dump_data_dependence_relation): Use print_direction_vector.
17771 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17772 (compute_subscript_distance): Static.
17773 (initialize_data_dependence_relation): Static. Get the number
17774 of loops surrounding the references from the callers, and initialize
17775 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17776 base_object_differ_p analyzers.
17777 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17778 compute_overlap_steps_for_affine_1_2,
17779 analyze_subscript_affine_affine): Count the classified dependences.
17780 Print a message when a test failed.
17781 (can_use_analyze_subscript_affine_affine): New.
17782 (analyze_siv_subscript): Compute the data dependences on symbolic
17783 scevs that verify can_use_analyze_subscript_affine_affine.
17784 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17785 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17786 Handle symbolic scevs.
17787 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17789 (subscript_dependence_tester): Moved...
17790 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17791 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17792 DDR_SIZE_VECT instead of getting it in parameter.
17793 (subscript_dependence_tester): ... here. Take as a parameter
17794 loop_nest_depth. Call build_classic_dist_vector and
17795 build_classic_dir_vector.
17796 (compute_affine_dependence): Update subscript_dependence_tester
17797 parameters. Update datadep_stats counters. Call
17798 compute_subscript_distance.
17799 (compute_self_dependence): Save the dist and dir vectors. Call
17800 compute_subscript_distance.
17801 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17802 (compute_all_dependences): Reorder parameters as they were before
17803 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17804 compute_subscript_distance. Update the use of
17805 compute_affine_dependence and initialize_data_dependence_relation.
17806 (find_data_references_in_loop): Handle COMPONENT_REF.
17807 (compute_data_dependences_for_loop): Initialize dependence_stats.
17808 Don't call build_classic_dist_vector and build_classic_dir_vector.
17809 Update the parameters of initialize_data_dependence_relation and
17810 compute_all_dependences. Print the statistics from datadep_stats.
17811 (analyze_all_data_dependences): Static. Not used until the pass for
17812 checking the data dependences is contributed.
17813 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17814 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17815 (initialize_data_dependence_relation, compute_affine_dependence,
17816 analyze_all_data_dependences, compute_subscript_distance): Removed.
17817 (print_direction_vector): New.
17818 * lambda.h (gcd): ... here.
17819 (lambda_vector_gcd): Moved here from gcd_vector.
17820 * lambda-code.c (gcd, gcd_vector): Removed.
17821 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17822 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17824 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17826 * ipa-type-escape.c: Tidy some comments and white space.
17827 * tree-ssa-operands.c: Likewise.
17829 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17832 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17833 (dump_decl_name): Do not walk the decl tree chains.
17834 * tree-pass.h (TDF_CHAIN): Remove.
17836 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17838 * Makefile.in (C): Remove
17840 (.PHONY): Remove C and PROTO
17842 2006-02-20 Roger Sayle <roger@eyesopen.com>
17844 PR middle-end/26236
17845 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17846 deprecated CHAR_TYPE tree code.
17848 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17850 * configure.ac (target_list): Add install-info, dvi, html.
17851 * configure: Regenerate.
17853 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17854 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17855 treelang/Make-lang.in: Do not use double-colon rules.
17857 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17859 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17860 (TMT_USED_ALONE): New macro.
17861 * tree-pass.h (PROP_tmt_usage): New property.
17862 (TODO_update_tmt_usage): New todo.
17863 * tree-ssa-alias.c (updating_used_alone): New variable.
17864 (recalculate_used_alone): New function.
17865 (compute_may_aliases): Set updating_used_alone, call
17866 recalculate_used_alone.
17867 * tree-sra.c (pass_sra): Note that this pass destroys
17868 PROP_tmt_usage, and add TODO_update_tmt_usage.
17869 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17870 * tree-flow.h (updating_used_alone): Prototype.
17871 (recalculate_used_alone): Ditto.
17872 * passes.c (execute_todo): Add code to set updating_used_alone,
17873 and call recalculate.
17874 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17875 for clobber if used alone, and add assert to verify used_alone
17878 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17880 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17881 for non tls symbols added.
17882 (legitimize_address): Do nothing for PLUS expressions if one of the
17883 addends is a tls symbol reference.
17885 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17889 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17891 * Makefile.in (BOOTSTRAPPING): New.
17892 (quickstrap): New definition if BOOTSTRAPPING=yes.
17894 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17895 * configure.ac: Substitute all_selected_languages with the languages
17896 that were configured. For all the other variables except
17897 lang_specs_files, include all the languages in the tree.
17898 * configure: Regenerate.
17900 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17901 if there is one. Run the commands to run fixincludes in the same
17904 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17905 * doc/install.texi: Document exact conventions for searching target tools.
17906 Document --with-build-time-tools. Document toplevel bootstrap. Document
17907 something more about building an Ada cross-compiler. Don't list GNU Make
17908 requirements which affect all platforms.
17910 2006-02-19 Roger Sayle <roger@eyesopen.com>
17912 PR middle-end/19543
17913 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17914 only equivalent if the have both the same mode and precision.
17916 2006-02-20 Ben Elliston <bje@au.ibm.com>
17918 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17920 2006-02-19 Roger Sayle <roger@eyesopen.com>
17921 Steven Bosscher <stevenb.gcc@gmail.com>
17923 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17924 constant pool references to identify stack mode constants.
17925 * rtlanal.c (constant_pool_constant_p): New predicate to check
17926 whether operand is a floating point constant in the pool.
17927 * rtl.h (constant_pool_constant_p): Prototype here.
17928 * loop.c (scan_loop): Avoid hoisting constants from the constant
17929 pool on STACK_REGS targets.
17930 (load_mems): Likewise.
17931 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17932 loads into x87 registers expensive in terms of register pressure.
17934 2006-02-19 Roger Sayle <roger@eyesopen.com>
17936 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17937 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17939 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17941 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17942 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17944 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17946 * doc/invoke.texi: Document -fipa-pta.
17947 * common.opt: Add ipa-pta option.
17948 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17949 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17950 (do_ds_constraint): Ditto.
17951 (get_constraint_for): Only add to referenced_vars if
17952 referenced_vars exists.
17953 (insert_into_field_list): Rewrite to do this unsorted.
17954 (insert_into_field_list_sorted): Rename old insert_into_field_list
17956 (create_function_info_for): Use insert_into_field_list_sorted.
17957 (create_variable_info_for): Rewrite so it uses unsorted version,
17958 since the field list is sorted.
17959 (intra_create_variable_infos): Only add to referenced_vars if
17960 referenced_vars exists.
17961 (ipa_pta_execute): Init heapvars, and delete when done.
17962 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17964 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17966 * doc/install.texi: Add missing `@samp'.
17968 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17970 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17973 2006-02-18 Mark Wielaard <mark@klomp.org>
17975 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17976 who added new 4.1 features, bug fixes and integration support.
17978 2006-02-18 David Edelsohn <edelsohn@gnu.org>
17981 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
17982 MEM for ABI_V4 pic.
17984 2006-02-18 Richard Sandiford <richard@codesourcery.com>
17986 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
17987 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
17988 (copy_insn_1): Likewise. Don't copy each field individually.
17990 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
17992 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
17993 * rtl.c (rtx_size): Rename variable to...
17994 (rtx_code_size): ...this.
17995 (rtx_size): New function.
17996 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
17997 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
17999 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18000 * rtl.h (rtx_code_size): New variable.
18001 (rtx_size): Change from a variable to a function.
18002 (RTX_SIZE): Rename to...
18003 (RTX_CODE_SIZE): ...this.
18006 PR tree-optimization/17106
18007 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18008 (Anchored Addresses): New section.
18009 * doc/invoke.texi (-fsection-anchors): Document.
18010 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18011 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18012 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18013 * hooks.c (hook_bool_mode_rtx_false): New function.
18014 * hooks.h (hook_bool_mode_rtx_false): Declare.
18015 * gengtype.c (create_optional_field): New function.
18016 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18017 SYMBOL_REF_IN_BLOCK_P is true.
18018 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18019 (min_anchor_offset, max_anchor_offset): Likewise.
18020 (use_anchors_for_symbol_p): New hook.
18021 * toplev.c (compile_file): Call output_object_blocks.
18022 (target_supports_section_anchors_p): New function.
18023 (process_options): Check that -fsection-anchors is only used on
18024 targets that support it and when -funit-at-a-time is in effect.
18025 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18026 if the decl doesn't have one.
18027 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18028 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18029 of force_const_mem through use_anchored_address.
18030 (expand_expr_constant): New function.
18031 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18032 calling expand_expr for INDIRECT_REF.
18033 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18034 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18035 * expr.h (use_anchored_address): Declare.
18036 * loop-unroll.c: Don't declare rtx vectors here.
18037 * explow.c: Include output.h.
18038 (validize_mem): Call use_anchored_address.
18039 (use_anchored_address): New function.
18040 * common.opt (-fsection-anchors): New switch.
18041 * varasm.c (object_block_htab, anchor_labelno): New variables.
18042 (hash_section, object_block_entry_eq, object_block_entry_hash)
18043 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18044 (use_blocks_for_decl_p, change_symbol_section): New functions.
18045 (get_variable_section): New function, split out from assemble_variable.
18046 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18047 use_blocks_for_decl_p say so. Use change_symbol_section if the
18048 symbol has already been created.
18049 (assemble_variable_contents): New function, split out from...
18050 (assemble_variable): ...here. Don't output any code for
18051 block symbols; just pass them to place_block_symbol.
18052 Use get_variable_section and assemble_variable_contents.
18053 (get_constant_alignment, get_constant_section, get_constant_size): New
18054 functions, split from output_constant_def_contents.
18055 (build_constant_desc): Create a block symbol if use_object_blocks_p
18056 says so. Or into SYMBOL_REF_FLAGS.
18057 (assemble_constant_contents): New function, split from...
18058 (output_constant_def_contents): ...here. Don't output any code
18059 for block symbols; just pass them to place_section_symbol.
18060 Use get_constant_section and get_constant_alignment.
18061 (force_const_mem): Create a block symbol if use_object_blocks_p and
18062 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18063 (output_constant_pool_1): Add an explicit alignment argument.
18064 Don't switch sections here.
18065 (output_constant_pool): Adjust call to output_constant_pool_1.
18066 Switch sections here instead. Don't output anything for block symbols;
18067 just pass them to place_block_symbol.
18068 (init_varasm_once): Initialize object_block_htab.
18069 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18070 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18071 (place_block_symbol, get_section_anchor, output_object_block)
18072 (output_object_block_htab, output_object_blocks): New functions.
18073 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18074 (TARGET_ASM_OUT): Include it.
18075 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18076 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18077 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18078 (TARGET_INITIALIZER): Include them.
18079 * rtl.c (rtl_check_failed_block_symbol): New function.
18080 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18081 (block_symbol, object_block): New structures.
18082 (rtx_def): Add a block_symbol field to the union.
18083 (BLOCK_SYMBOL_CHECK): New macro.
18084 (rtl_check_failed_block_symbol): Declare.
18085 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18086 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18087 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18088 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18089 * output.h (output_section_symbols): Declare.
18090 (object_block): Name structure.
18091 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18092 (default_use_anchors_for_symbol_p): Declare.
18093 * Makefile.in (RTL_BASE_H): Add vec.h.
18094 (explow.o): Depend on output.h.
18095 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18096 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18097 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18098 (rs6000_use_blocks_for_constant_p): New function.
18100 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18102 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18104 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18107 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18110 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18112 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18116 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18118 PR middle-end/26334
18119 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18120 instead of DECL_REGISTER.
18122 2006-02-18 Olivier Hainque <hainque@adacore.com>
18125 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18127 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18130 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18131 * opth-gen.awk: Handle Var and InverseMask together.
18132 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18133 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18134 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18135 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18137 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18138 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18139 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18140 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18141 LINUX_DYNAMIC_LINKER): Define.
18142 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18143 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18145 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18146 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18147 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18149 (TARGET_C99_FUNCTIONS): Don't define.
18150 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18151 GLIBC_DYNAMIC_LINKER.
18152 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18153 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18154 GLIBC_DYNAMIC_LINKER64): Define.
18155 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18156 LINUX_DYNAMIC_LINKER64.
18157 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18159 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18160 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18161 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18162 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18163 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18164 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18165 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18167 and LINUX_DYNAMIC_LINKER32.
18168 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18169 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18170 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18172 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18174 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18175 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18176 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18177 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18178 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18179 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18180 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18181 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18182 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18183 LINUX_DYNAMIC_LINKER): Define.
18184 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18185 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18186 GLIBC_DYNAMIC_LINKER64): Define.
18187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18188 LINUX_DYNAMIC_LINKER64.
18189 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18190 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18191 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18192 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18193 LINUX_DYNAMIC_LINKER): Define.
18194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18195 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18196 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18197 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18198 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18199 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18200 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18201 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18202 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18203 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18205 * doc/invoke.texi (-muclibc): Remove caveat about supported
18208 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18210 * doc/cpp.texi (__TIMESTAMP__): Document.
18212 2006-02-17 Roger Sayle <roger@eyesopen.com>
18214 PR middle-end/25600
18215 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18216 C is one less than the width of X (and related transformations).
18217 * simplify-rtx.c (simplify_unary_operation_1): Transform
18218 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18219 depending on STORE_FLAG_VALUE, were C is one less then the
18222 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18224 Fix PR tree-optimization/26341
18225 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18226 about NAME_MEMORY_TAG's.
18228 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18231 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18232 with hardware float support, and software float support. Add fcpy
18233 alternative to hardware patterns. Add alternatives to copy between
18234 general and floating-point registers to the 32-bit pattern.
18235 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18236 secondary reload to load a QI or HI mode constant into a floating
18238 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18239 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18241 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18244 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18246 (load_macho_picbase_di): Likewise.
18248 2006-02-16 Jeff Law <law@redhat.com>
18250 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18251 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18252 (ssa_name_nonzero_p): Likewise.
18253 (get_value_range): Return NULL if VRP is not running.
18254 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18255 VRP routines do not discover a range.
18256 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18257 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18258 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18259 (tree_expr_nonnegative_p): Similarly.
18260 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18261 (restore_nonzero_vars_to_original_value): Remove.
18262 (unsafe_associative_fp_binop): Remove.
18263 (tree_ssa_dominator_optimize): Remove initialization and
18264 finalization of nonzero_vars and nonzero_vars_stack.
18265 (dom_opt_initialize_block): No longer push marker on
18266 nonzero_vars_stack.
18267 (dom_opt_finalize_block): No longer call
18268 restore_nonzero_vars_to_original_value.
18269 (record_equivalences_from_phis): No longer look for
18270 nonzero PHI arguments.
18271 (cprop_into_successor_phis): No longer propagate nonzero
18272 property into PHI arguments. Lose unused argument. Caller
18274 (record_equivalences_from_stmt): No longer record nonzero
18275 values for SSA_NAMEs.
18276 (lookup_avail_expr): No longer use nonzero_vars.
18278 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18279 for sizetype when sizetype is unsigned.
18281 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18283 PR rtl-optimization/25603
18284 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18285 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18286 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18287 with new meaning of SETS.
18289 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18294 * config/linux.opt: New file.
18295 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18296 LINUX_DYNAMIC_LINKER): Define.
18297 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18298 * config.gcc (*-*-linux*): Define extra_options.
18299 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18300 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18301 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18302 GLIBC_DYNAMIC_LINKER.
18303 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18304 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18305 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18307 * doc/invoke.texi (GNU/Linux Options): New section.
18309 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18311 * config/sparc/sparc.md (setjmp): Rewrite.
18312 (setjmp_32): Delete.
18313 (setjmp_64): Likewise.
18315 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18317 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18320 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18322 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18325 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18327 PR rtl-optimization/26296
18328 * Makefile.in (loop-invariant.c): Add except.h dependency.
18329 * loop-invariant.c: Include except.h.
18330 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18332 2005-02-16 Paul Brook <paul@codesourcery.com>
18334 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18337 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18339 PR rtl-optimization/25636
18340 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18341 when deciding whether an insn is an initializing insn.
18343 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18345 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18346 (tree_code_size): Ditto.
18347 * tree.h (struct tree_memory_tag): Remove parent_var.
18348 (struct tree_struct_field_tag): New.
18351 (union tree_node): Add sft member.
18352 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18354 (create_sft): Add size and offset argument, set SFT_OFFSET and
18356 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18357 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18358 * tree-flow-inline.h (get_subvar_at): Update for
18359 SFT_OFFSET/SFT_SIZE.
18360 (var_can_have_subvars): Ditto.
18361 (overlap_subvar): Ditto.
18362 * print-tree.c (print_node): Print out interesting things for
18364 * tree-flow.h (struct subvar): Remove offset and size members.
18365 * tree-ssa-operands.c (get_expr_operands): Update for
18366 get_indirect_ref_operands changes.
18367 (get_indirect_ref_operands): Call add_virtual_operand instead of
18368 add_stmt_operand. Only recurse on base var if requested.
18369 (access_can_touch_variable): New function.
18370 (add_stmt_operand): Split virtual operand handling into ...
18371 (add_virtual_operand): Here. Add offset, size, and for_clobber
18372 arguments. Prune alias sets.
18373 (add_call_clobber_ops): Call add_virtual_operand.
18375 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18377 PR middle-end/26300
18378 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18380 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18381 than TREE_CODE as index into omp_clause_num_ops array.
18383 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18385 PR rtl-optimization/26184
18386 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18388 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18389 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18390 must_precede, must_follow and tobe_scheduled.
18393 * opts.c (common_handle_option): Free new_option pointer.
18394 * df-core.c (df_analyze): Free postorder pointer.
18396 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18398 * Makefile.in: Fix the examples about the use of stamps
18400 2006-02-15 Michael Matz <matz@suse.de>
18402 PR middle-end/22275
18404 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18405 influenced by maximum_field_alignment or DECL_PACKED.
18406 (update_alignment_for_field): Ditto.
18407 (place_field): Ditto.
18408 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18411 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18413 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18414 (debug_flow_info): Pass it.
18415 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18416 * bb-reorder.c (reorder_basic_blocks): Likewise.
18417 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18418 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18419 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18420 * gcse.c (gcse_main, bypass_jumps): Likewise.
18421 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18422 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18423 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18424 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18425 * rtl.h (dump_flow_info): Adjust prototype.
18426 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18427 * var-tracking.c (variable_tracking_main): Likewise.
18428 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18429 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18432 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18434 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18437 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18439 PR tree-optimization/26209
18440 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18441 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18443 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18445 2006-02-14 Roger Sayle <roger@eyesopen.com>
18447 PR middle-end/23670
18448 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18449 (X,Y) and the corresponding symmetry related transformations.
18450 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18451 (X,Y) and its symmetry related transformations.
18453 2006-02-14 Roger Sayle <roger@eyesopen.com>
18455 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18458 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18460 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18462 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18465 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18466 support COMDAT group.
18467 * configure: Regenerate.
18469 2006-02-14 Roger Sayle <roger@eyesopen.com>
18471 PR middle-end/26279
18472 PR middle-end/26280
18473 PR middle-end/26283
18474 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18476 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18478 Fix PR tree-optimization/26260
18480 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18482 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18483 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18484 * tree-ssa-structalias.c (create_variable_info_for): Use
18485 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18487 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18489 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18491 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18492 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18493 of the ending condition.
18494 * tree-ssa-loop-manip.c: Include params.h.
18495 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18496 tree_unroll_loop): New functions.
18497 * tree-pass.h (pass_loop_prefetch): Declare.
18498 * loop.c (rest_of_handle_loop_optimize): Test for
18499 -fprefetch-loop-arrays-rtl.
18500 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18501 * timevar.def (TV_TREE_PREFETCH): New timevar.
18502 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18503 pass_loop_prefetch): New.
18504 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18505 (cleanup_tree_cfg_loop): Call scev_reset.
18506 * common.opt (fprefetch-loop-arrays-rtl): Add.
18507 * tree-ssa-loop-prefetch.c: New file.
18508 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18509 (new_temp_expr_table): Initialize expr_vars.
18510 (free_temp_expr_table): Cleanup expr_vars.
18511 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18512 expressions from being merged into one.
18513 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18514 (struct tree_niter_desc): Add control, bound and cmp fields.
18515 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18517 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18518 (tree-cfgcleanup.o): Add SCEV_H dependency.
18519 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18520 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18522 2006-02-14 Richard Guenther <rguenther@suse.de>
18524 PR tree-optimization/26258
18525 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18526 in PHI argument processing.
18528 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18530 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18531 new expression in the requested machine mode.
18533 2006-02-13 Roger Sayle <roger@eyesopen.com>
18535 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18536 directly, instead let do_compare_rtx_and_jump handle this for us.
18537 * expr.c (expand_expr_real_1): Likewise.
18538 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18539 before do_jump_by_parts_greater.
18540 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18541 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18543 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18545 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18547 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18549 PR rtl-optimization/26235
18550 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18551 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18554 2006-02-13 Jeff Law <law@redhat.com>
18556 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18559 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18561 PR middle-end/26092
18562 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18563 twice if decl is a builtin. When trying again, call get_callee_fndecl
18564 first to verify it is still a builtin.
18566 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18568 * dwarf2out.c (base_type_die): Don't add AT_name here.
18569 (subrange_type_die): Don't add AT_name here.
18570 (modified_type_die): Rearrange code flow. Do add AT_name here.
18572 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18574 PR rtl-optimization/26247
18575 PR rtl-optimization/26248
18576 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18578 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18580 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18581 * config/fixtfdi.c: Likewise.
18582 * config/fixunstfdi.c: Likewise.
18583 * config/floatditf.c: Likewise.
18585 2006-02-13 Roger Sayle <roger@eyesopen.com>
18587 PR middle-end/24427
18588 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18589 into (X,C2) if C1 is a subset of the bits of C2. Transform
18590 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18592 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18594 2006-02-13 Josh Conner <jconner@apple.com>
18597 * varasm.c (function_section): Check for section name before
18598 calling select_section on targets that define
18599 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18600 unlikely_text_section instead of hot_function_section if
18601 first_function_block_is_cold.
18603 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18605 PR middle-end/25335
18606 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18608 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18610 PR rtl-optimization/26222
18611 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18612 after tree->rtl expansion.
18613 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18614 before passing it to emit_move_insn.
18616 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18618 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18620 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18621 Clarify documentation.
18622 * c-common.h (warn_write_strings): Remove.
18623 * c-common.c (warn_write_strings): Likewise.
18624 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18627 2006-02-12 Roger Sayle <roger@eyesopen.com>
18629 PR middle-end/25724
18630 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18631 (do_jump_parts_zero_rtx): New function renamed from
18632 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18633 (do_jump_parts_equality_rtx): New function split out from
18634 do_jump_parts_equality. Old implementation renamed as above.
18635 Call do_jump_parts_zero_rtx if either operand is zero.
18636 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18637 do all of the heavy lifting.
18638 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18639 calling either do_jump_by_parts_greater_rtx or
18640 do_jump_by_parts_equality_rtx.
18641 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18642 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18643 moved to do_compare_rtx_and_jump, call it directly.
18644 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18645 mode argument. Call do_compare_rtx_and_jump.
18646 (emit_case_nodes): Update calls to do_jump_if_equal.
18648 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18650 PR rtl-optimization/26225
18651 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18653 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18655 PR rtl-optimization/26232
18656 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18658 2006-02-11 Jason Merrill <jason@redhat.com>
18661 * tree-inline.c (declare_return_variable): Just don't use the
18662 modify target if it's a gimple complex reg and the return slot
18665 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18667 * doc/contrib.texi: Update my entry.
18669 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18671 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18673 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18675 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18678 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18680 * doc/invoke.texi (-floop-optimize2): Removed.
18681 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18682 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18683 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18684 * common.opt (floop-optimize2): Removed.
18685 (fmove-loop-invariants): Enabled by default.
18687 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18689 * tree-if-conv.c (combine_blocks): Free the result of
18690 get_loop_exit_edges.
18692 2006-02-10 Jeff Law <law@redhat.com>
18694 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18696 PR tree-optimization/26213
18697 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18698 loop trying to follow SSA_NAME_VALUE chains.
18700 2006-02-10 Richard Guenther <rguenther@suse.de>
18702 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18703 deal with structures that end in implicitly variable sized arrays.
18705 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18707 PR rtl-optimization/24762
18708 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18711 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18713 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18714 (struct ivopts_data): Add regs_used field.
18715 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18716 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18717 instead of loop_data->regs_used;
18718 (free_loop_data): Do not free aux fields for loops.
18719 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18720 and tree_ssa_iv_optimize_finalize.
18722 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18724 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18726 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18729 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18730 computing the effective result type.
18732 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18734 PR inline-asm/16194
18735 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18736 (tree_overlaps_hard_reg_set): Declare.
18737 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18738 type and signature to match function type expected by walk_tree.
18739 (tree_overlaps_hard_reg_set): New function.
18740 (decl_conflicts_with_clobbers_p): Rename to:
18741 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18742 Use tree_overlaps_hard_reg_set. Changed caller.
18743 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18744 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18745 * cris.c (cris_md_asm_clobbers): Likewise.
18747 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18749 * reload1.c (emit_input_reload_insns): Delete code that tries to
18750 inherit using find_equiv_reg.
18752 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18754 * c-common.h (flag_const_strings): Don't declare.
18755 * c-common.c (flag_const_strings): Remove.
18756 * c.opt (fconst_strings): Remove.
18757 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18758 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18759 (c_common_init_options): Don't set flag_const_strings.
18760 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18762 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18764 * arm.md (tlobits_cbranch): New pattern.
18765 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18766 testing a single bit.
18768 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18771 * tree-ssa-pre.c (create_component_ref_by_pieces):
18772 Handle RETURN_DECL like VAR_DECL.
18774 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18776 PR middle-end/26134
18777 * fold-const.c (fold_indirect_ref_1): Fold
18778 "*(foo *)&complexfoo" to "__real__ complexfoo"
18779 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18781 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18783 * tree-flow-inline.h (var_can_have_subvars):
18784 Volatile variables should not have subvariables.
18786 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18789 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18790 multiplying unsigned values.
18793 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18795 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18797 2006-02-08 Jason Merrill <jason@redhat.com>
18800 * tree.def: Elaborate on difference from MODIFY_EXPR.
18801 * doc/c-tree.texi (INIT_EXPR): Likewise.
18802 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18803 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18804 (gimplify_target_expr): Likewise.
18805 (gimplify_cond_expr): Remove target handling.
18806 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18807 (gimplify_expr): Clobber it here.
18808 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18809 Do return slot optimization if we have an INIT_EXPR.
18812 * tree-inline.c (declare_return_variable): Also clear
18813 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18816 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18818 PR middle-end/22439
18819 * gimplify.c (gimplify_one_sizepos): Fix typo.
18821 2006-02-08 Jeff Law <law@redhat.com>
18823 PR tree-optimization/21417
18824 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18825 across a backedge if the control statement at the end of the
18826 block is data dependent on other statements in the same block.
18827 (record_temporary_equivalences_from_stmts): Remove over-conservative
18828 test for threading across backedges.
18830 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18831 control statement, handle all three special cases in the same
18832 manner as they all have the same desired solution. No longer
18833 special case edge flag updating when the post dominator is
18836 2006-02-08 Roger Sayle <roger@eyesopen.com>
18838 * tree.def (CHAR_TYPE): Remove.
18839 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18840 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18841 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18842 (gen_string_type_die): Delete unreachable function.
18844 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18845 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18846 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18847 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18848 * builtins.c (type_to_class): Likewise.
18849 * fold-const.c (fold_convert, build_range_check,
18850 merge_ranges): Likewise.
18851 * expr.c (count_type_elements): Likewise.
18852 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18853 * stor-layout.c (layout_type): Likewise.
18854 * ipa-type-escape.c (type_to_consider): Likewise.
18855 * gimplify.c (omp_firstprivatize_type_sizes,
18856 gimplify_type_sizes): Likewise.
18857 * explow.c (promote_mode): Likewise.
18858 * tree-sra.c (is_sra_scalar_type): Likewise.
18859 * varasm.c (output_constant): Likewise.
18860 * tree-inline.c (remap_type_1): Likewise.
18861 * convert.c (convert_to_pointer, convert_to_real,
18862 convert_to_integer, convert_to_complex): Likewise.
18864 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18866 * df-scan.c (df_def_record_1): A set destination may
18867 be a parallel regardless of mode.
18869 2006-02-08 Roger Sayle <roger@eyesopen.com>
18872 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18873 * config/mips/_tilib.c: Remove.
18874 * config/fixtfdi.c: New libgcc source file.
18875 * config/fixunstfdi.c: New source file.
18876 * config/floatditf.c: New source file.
18877 * config/floatunditf.c: New souce file.
18878 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18879 files above instead of config/mips/_tilib.c.
18880 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18882 2006-02-08 Jeff Law <law@redhat.com>
18884 PR tree-optimization/26169
18885 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18888 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18890 * df.h (DF_REG_SIZE): Return the length of the initialized
18893 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18895 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18896 __muldf3): Return a correctly signed zero.
18898 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18900 * passes.c (register_one_dump_file): Accept the current properties
18901 instead of pass number. Adjust call to dump_register. Remove
18903 (register_dump_files): Now a wrapper around...
18904 (register_dump_files_1): ... this one. Do not modify the pass
18906 (next_pass_1): Cosmetic fix.
18907 (execute_todo): Keep second parameter only. Use curr_properties
18908 instead of fetching it from the pass structure. Check and set
18910 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18911 instead of fetching it from the pass structure. Fix calls to
18912 execute_todo. Update curr_properties and initialize .vcg RTL dump
18913 after running the pass. Reset last_verified.
18914 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18916 (FIRST_AUTO_NUMBERED_DUMP): New.
18917 (dump_register): Remove "num" parameter, assign it within the
18919 (get_dump_file_name): Modify template for dumps.
18920 * tree-dump.h (dump_register): Adjust prototype.
18921 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18922 (PROP_trees): Add PROP_gimple_lomp.
18923 (TODO_set_props): New.
18924 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18925 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18926 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18928 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18930 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18931 (sparc64-*-linux*): Likewise.
18932 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18933 * config/sparc/t-linux: New file.
18934 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18935 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18936 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18937 -m32 -mlong-double-128.
18939 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18940 * config/alpha/t-linux: New file.
18941 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18943 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18944 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18945 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18946 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18947 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18948 (CPP_ARCH32_SPEC): Remove.
18950 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18952 PR tree-optimization/26145
18953 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18956 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18959 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18960 >= 240000 when generating code for SOM runtime.
18961 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18962 to $$dyncall when generating code for SOM runtime..
18964 2006-02-07 Dirk Mueller <dmueller@suse.com>
18967 * doc/invoke.texi (-Wsequence-point): Update documentation
18968 that -Wsequence-point is implemented for C++ as well.
18970 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18972 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18973 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18974 (LIB_SPEC): Likewise.
18975 * doc/invoke.texi (SPARC options): Document -pthread.
18977 2006-02-07 Geoffrey Keating <geoffk@apple.com>
18979 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
18982 2006-02-07 Roger Sayle <roger@eyesopen.com>
18984 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
18985 Correct comment describing BOOLEAN_TYPE.
18987 2006-02-07 Dirk Mueller <dmueller@suse.com>
18989 * c.opt: C++ frontend supports -Wdiv-by-zero.
18990 * c-opts.c (c_common_handle_option): Remove dead case.
18992 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18994 * configure.ac (TLS assembler check): Do not enable TLS by
18995 default on SPARC/Solaris before version 10.
18996 * configure: Regenerate.
18998 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19000 * doc/invoke.texi (xl-compat): Document conversion and support
19003 2006-02-07 Jeff Law <law@redhat.com>
19005 * tree-vrp.c (find_conditional_asserts): Update comments.
19006 (simplify_stmt_for_jump_threading): New.
19007 (identify_jump_threads, finalize_jump_threads): New.
19008 (vrp_finalize): Call identify_jump_threads.
19009 (execute_vrp): Call finalize_jump_threads.
19010 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19011 (vrp_element, vrp_data, vrp_element_p): Remove.
19012 (vrp_hash_elt, vrp_variables_stack): Remove.
19013 (vrp_hash, vrp_eq, record_range): Remove.
19014 (simplify_cond_and_lookup_avail_expr): Remove.
19015 (extract_range_from_cond): Remove.
19016 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19017 (simplify_stmt_for_jump_threading): New.
19018 (dom_thread_across_edge): New wrapper.
19019 (tree_ssa_dominator_optimize): No longer initialize or
19020 finalize any of the VRP datastructures. Remove iteration
19021 step and simplify as a result of removal of iteration step.
19022 (pass_dominator): Perform a cfg cleanup after DOM.
19023 (dom_opt_finalize_block): Use the new common routines
19024 for threading jumps. Simplify stack management slightly.
19025 No longer need to unwind VRP state.
19026 (record_equivalences_from_incoming_edge): No longer record
19028 (eliminate_redundant_computations): No longer call
19029 simplify_cond_and_lookup_avail_expr.
19030 * tree-flow.h (potentially_threadable_block): Prototype.
19031 (thread_across_edge): Likewise.
19032 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19033 (tree-ssa-threadedge.o): Add dependencies.
19034 * tree-ssa-threadedge.c: New file.
19035 * passes.c (init_optimization_passes): Merge PHIs before
19036 calling VRP. Run VRP again late in the SSA optimization pipeline.
19038 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19040 * df-core.c (df_set_blocks): Do not dereference function pointers.
19041 (df_finish1): Likewise.
19042 (df_hybrid_search_forward): Likewise.
19043 (df_hybrid_search_backward): Likewise.
19044 (df_iterative_dataflow): Likewise.
19045 (df_analyze_problem): Likewise.
19046 (df_compact_blocks): Likewise.
19047 (df_dump): Likewise.
19048 * df-scan.c (df_rescan_blocks): Likewise.
19049 (df_record_entry_block_defs): Likewise.
19051 * genconditions.c (write_conditions): Guard the definition of
19052 'insn_conditions' with the check on GCC version.
19053 (write_writer): Guard the traversal 'insn_conditions' with
19054 the check on GCC version.
19056 2006-02-07 Richard Guenther <rguenther@suse.de>
19060 2006-01-30 Richard Guenther <rguenther@suse.de>
19062 * gimplify.c (gimplify_target_expr): Handle easy cases
19063 without creating a temporary.
19065 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19067 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19068 use of float in probability computations. Use edge probabilities
19069 in place of statically computed probabilities.
19070 (min_spec_prob): New static variable.
19071 (schedule_insns): Initialize it.
19072 (GET_SRC_PROB): Removed.
19073 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19075 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19078 * config/ia64/unwind-ia64.c: Revert last change.
19079 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19080 (INCOMING_FRAME_SP_OFFSET): Define.
19082 2006-02-06 Roger Sayle <roger@eyesopen.com>
19084 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19086 2006-02-07 Ben Elliston <bje@au.ibm.com>
19088 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19089 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19090 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19091 (ix86_return_in_memory): Handle TDmode.
19092 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19093 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19095 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19097 * reorg.c (dbr_schedule): Use dump_file instead of file.
19099 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19102 * config/ia64/predicates.md (extr_len_operand): New predicate.
19103 * config/ia64/ia64.md (extv): Tighten constraints.
19105 (*tbit_and_2): Ditto.
19106 (*tbit_and_3): Ditto.
19107 (*tbit_or_2): Ditto.
19108 (*tbit_or_3): Ditto.
19109 (*bit_zero): Ditto.
19112 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19115 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19117 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19119 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19120 loop_optimizer_init and loop_optimizer_finalize
19121 * tree-ssa-sink.c (execute_sink_code): Ditto.
19122 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19123 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19124 tree_ssa_loop_done): Ditto.
19125 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19126 * sched-ebb.c: Include output.h.
19127 (schedule_ebbs): Do not use dump argument.
19128 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19129 * loop.c (loop_dump_stream): Removed.
19130 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19132 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19133 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19134 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19135 loop_iterations, strength_reduce, record_biv, record_giv,
19136 final_giv_value, check_final_value, check_ext_dependent_givs,
19137 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19138 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19139 dump_file instead of loop_dump_stream.
19140 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19141 argument dump_file.
19142 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19144 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19145 * haifa-sched.c: Include output.h
19146 (schedule_insns, sched_init): Do not use dump argument.
19147 * mode-switching.c (optimize_mode_switching): Ditto.
19148 * modulo-sched.c (stats_file): Removed.
19149 (print_node_sched_params): Do not call argument dump_file.
19150 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19151 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19153 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19155 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19156 rtl_loop_init, rtl_loop_done): Ditto.
19157 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19158 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19160 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19161 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19162 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19163 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19164 * emit-rtl.c (renumber_insns): Ditto.
19165 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19166 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19167 * regclass.c (regclass): Ditto.
19168 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19169 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19170 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19171 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19173 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19174 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19176 * gcse.c (gcse_file, debug_stderr): Removed.
19177 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19178 rest_of_handle_gcse): Do not use dump argument.
19179 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19180 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19181 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19182 compute_code_hoist_vbeinout, compute_code_hoist_data,
19183 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19184 compute_store_table, build_store_vectors, insert_insn_start_bb,
19185 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19186 store_motion): Use dump_file instead of gcse_file.
19187 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19188 * profile.c (profile_dump_file): Removed.
19189 (branch_prob): Use dump_file instead of profile_dump_file.
19190 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19192 * tree-ssa-copy.c (dump_copy_of): Ditto.
19193 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19194 dump file to life_analysis.
19195 * bt-load.c (branch_target_load_optimize): Ditto.
19196 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19198 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19199 regclass, dbr_schedule): Declaration changed.
19200 * sched-int.h (sched_init): Declaration changed.
19201 * tree-profile.c (tree_profile_dump_file): Removed.
19202 (tree_profile_hooks): Removed profile_dump_file hook.
19203 * rtl-profile (rtl_profile_dump_file): Removed.
19204 (rtl_profile_hooks): emoved profile_dump_file hook.
19205 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19207 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19208 * tree-cfg.c (build_tree_cfg): Ditto.
19209 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19210 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19211 Declaration changed.
19212 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19213 life_analysis and schedule_insns.
19214 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19216 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19218 * config/mips/mips.c (mips_reorg): Ditto.
19219 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19222 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19224 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19225 (s390_mangle_fundamental_type): New.
19226 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19229 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19230 (alpha_mangle_fundamental_type): New.
19231 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19234 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19236 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19238 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19239 (sparc_mangle_fundamental_type): New.
19241 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19243 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19244 (s390x-*-linux*): Likewise.
19245 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19246 * config/s390/t-linux: New file.
19248 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19250 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19251 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19253 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19255 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19256 (ANTIC_SAFE_LOADS): New macro.
19257 (find_or_generate_expression): Add prototype.
19258 (set_contains_value): Allow null set for sake of not always having
19259 to allocate ANTIC_SAFE_LOADS.
19260 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19261 Allow COMPONENT_REF too.
19262 (valid_in_set): Allow COMPONENT_REF.
19263 Check ANTIC_SAFE_LOADS too.
19264 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19265 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19267 (can_PRE_operation): Add COMPONENT_REF.
19268 (create_component_ref_by_pieces): New function.
19269 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19270 (insert_aux): Move AGGREGATE_TYPE_P check here.
19271 (compute_avail): Set bb local stmt uids.
19272 (pass_pre): Use TODO_update_ssa_only_virtuals.
19274 2006-02-06 Ben Elliston <bje@au.ibm.com>
19276 * configure.ac: Unconditionally disable decimal float by default.
19277 * configure: Regenerate.
19279 2006-02-06 Ben Elliston <bje@au.ibm.com>
19281 * read-rtl.c (read_name): Terminate reading on EOF.
19283 2006-02-06 Ben Elliston <bje@au.ibm.com>
19285 * dfp.c (decimal_real_arithmetic): Change second argument type
19286 from int to enum tree_code. Do not always return true, but now
19287 return result of any call to decimal_do helper functions.
19288 * dfp.h (decimal_real_arithmetic): Update prototype.
19290 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19292 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19294 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19297 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19300 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19302 * tree-vrp.c (cfg_loops): Removed.
19303 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19304 Use current_loops instead of cfg_loops. Pass flags to
19305 loop_optimizer_init.
19306 * cfgloopmanip.c (fix_loop_structure): Update only available
19308 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19309 loop_optimizer_init.
19310 * modulo-sched.c (build_loops_structure): Removed.
19311 (sms_schedule): Use loop_optimizer_init.
19312 * loop-init.c (loop_optimizer_init): Use flags to determine
19313 which properties of loops to prepare.
19314 (rtl_loop_init): Pass flags to loop_optimizer_init.
19315 * tree-ssa-sink.c (execute_sink_code): Ditto.
19316 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19317 * tree-ssa-pre.c (init_pre): Ditto.
19318 * cfgloop.h (LOOPS_NORMAL): New.
19319 (loop_optimizer_init): Declaration changed.
19321 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19323 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19324 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19326 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19328 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19330 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19331 * pa/t-pa64: Delete quadlib.c rule.
19332 * pa/x-ada: Revert last change.
19333 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19335 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19337 PR rtl-optimization/26087
19338 * rtlanal.c (canonicalize_condition): Do not cross basic block
19341 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19344 * config/ia64/ia64.c: Include debug.h.
19345 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19346 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19347 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19348 (process_epilogue, process_set, process_for_unwind_directive):
19349 Output unwind info only if requested. Add CFA info if requested.
19350 Add new arguments as needed. Adjust callers.
19351 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19353 (DWARF2_FRAME_INFO): Define to zero.
19354 * config/ia64/unwind-ia64.c: Remove code that compensated for
19355 the CFA offset error fixed above.
19356 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19357 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19358 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19359 -funwind-tables and -fexceptions to enable frame info.
19360 (dwarf2out_frame_init): Define initial CFA even if
19361 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19362 DWARF2_UNWIND_INFO is nonzero, not just defined.
19363 (dwarf2out_frame_finish): Output non-EH call frame info only
19364 if DWARF2_FRAME_INFO is nonzero.
19365 (convert_cfa_to_loc_list,
19366 compute_frame_pointer_to_cfa_displacement): Define even if
19367 unwind info is not supported.
19368 (gen_subprogram_die): Use the above unconditionally. Remove
19369 legacy alternate code.
19370 * toplev.c (compile_file): Compile in call to
19371 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19372 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19374 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19375 Jakub Jelinek <jakub@redhat.com>
19377 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19378 IBM extended float format long double as "g" on powerpc*-linux.
19380 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19383 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19384 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19386 2006-02-03 Jason Merrill <jason@redhat.com>
19389 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19391 PR middle-end/25977
19392 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19393 on the return slot if it's an NRV.
19395 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19397 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19398 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19399 rewrite_use): Do not handle USE_OUTER.
19400 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19401 add_iv_outer_candidates, may_replace_final_value,
19402 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19403 (find_interesting_uses_op): Functionality of
19404 find_interesting_uses_outer_or_nonlin moved here.
19405 (find_interesting_uses_outside): Use find_interesting_uses_op.
19407 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19410 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19412 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19413 Ulrich Weigand <uweigand@de.ibm.com>
19416 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19417 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19418 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19419 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19421 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19422 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19423 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19424 Define secondary reloads for TFmode moves.
19425 (constant_modes): Add TFmode.
19426 (NR_C_MODES): Set to 8.
19427 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19429 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19430 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19431 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19432 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19433 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19434 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19435 (FPR mode macro): Add TFmode.
19436 (DSF mode macro): New.
19437 (<de>, <dee> mode attributes): Removed.
19438 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19439 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19440 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19441 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19442 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19443 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19444 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19445 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19446 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19447 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19448 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19449 "*negabs<mode>2", "sqrt<mode>2"):
19450 Changed <de> to <xde>. R constraint replaced by <Rf>.
19451 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19453 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19454 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19455 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19457 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19458 "extenddftf2", "extendsftf2"): New expanders.
19459 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19460 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19461 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19462 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19464 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19465 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19466 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19467 __floatditf): Add a GCC_4.1.0 symbol version tag.
19468 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19471 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19474 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19475 Use targetm.binds_local_p instead of TREE_PUBLIC.
19477 2006-02-02 Roger Sayle <roger@eyesopen.com>
19479 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19480 on INTEGER_TYPEs to indicate that it denotes a character type.
19481 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19482 signed_char_type_node, unsigned_char_type_node and char_type_node.
19483 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19484 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19485 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19487 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19488 Daniel Berlin <dberlin@dberlin.org>
19490 * tree-tailcall.c (arg_needs_copy_p): New function.
19491 (eliminate_tail_call): Use arg_needs_copy_p.
19492 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19493 (add_virtual_phis): New function.
19495 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19497 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19498 #ignore instead of #scratch for %g7 .register directive.
19500 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19502 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19505 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19507 * flow.c (calculate_global_regs_live): Assert that there aren't any
19510 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19512 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19513 what its name says.
19514 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19515 bsi_after_labels iterator.
19516 * tree-if-conv.c (find_phi_replacement_condition,
19517 replace_phi_with_cond_modify_expr): Likewise.
19518 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19519 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19521 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19523 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19525 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19528 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19529 array after growing it.
19531 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19533 PR middle-end/24901
19534 * fold-const.c (fold_checksum_tree): Change type of buf.
19536 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19538 * reload.c (push_secondary_reload): Initialize t_icode.
19540 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19542 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19543 -msoft-float -mlong-double-128 only issue a warning, but don't
19544 swich to DFmode long double.
19546 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19548 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19549 has a constant equivalent, iterate over equivalents for arg0,
19550 calling simplify_relational_operation and if there's a result
19551 cheaper than X, apply fold_rtx and return the result.
19553 2006-02-01 Jan Hubicka <jh@suse.cz>
19555 * opts.c (no_unit_at_a_time_default): New global variable.
19556 (decode_options): Use it.
19557 * opts.h (no_unit_at_a_time_default): Declare.
19559 2006-02-01 Paul Brook <paul@codesourcery.com>
19561 * function.c (assign_parm_setup_reg): Use function argument promotion
19563 * expr.c (expand_expr_real_1): Use function argument promotion rules
19566 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19568 * gcc.c (process_command): Change j to 'unsigned int'.
19570 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19572 PR middle-end/26001
19573 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19574 Use the corrected index for the character
19575 out of the string constant.
19577 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19579 * mode-switching.c (optimize_mode_switching): Fix size
19580 allocated for bb_info[n_entities].
19582 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19584 * gcc.c (main): Correct type that is allocated for
19585 explicit_link_files.
19587 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19589 * config/s390/s390.c (init_alignment_context): Set
19590 ALIAS_SET_MEMORY_BARRIER on the MEM.
19591 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19593 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19595 PR middle-end/25933
19596 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19598 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19601 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19603 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19604 * regrename.c: Ditto.
19605 * tree-ssa-loop-im.c: Ditto.
19606 * tree-dump.c: Ditto.
19607 * tree-complex.c: Ditto.
19608 * genrecog.c: Ditto.
19609 * tree-ssa-threadupdate.c: Ditto.
19611 * java/class.c: Ditto.
19612 * java/jcf-parse.c: Ditto.
19613 * java/resource.c: Ditto.
19614 * java/except.c: Ditto.
19615 * java/jvspec.c: Ditto.
19616 * java/jcf-write.c: Ditto.
19617 * java/jcf-path.c: Ditto.
19618 * java/gjavah.c: Ditto.
19619 * java/zextract.c: Ditto.
19620 * java/jcf-io.c: Ditto.
19621 * java/jcf.h: Ditto.
19622 * java/buffer.c: Ditto.
19623 * java/lang.c: Ditto.
19624 * java/parse-scan.y: Ditto.
19625 * java/lex.c: Ditto.
19626 * java/lex.h: Ditto.
19627 * cfgloopmanip.c: Ditto.
19628 * postreload-gcse.c: Ditto.
19629 * tree-ssa-loop-manip.c: Ditto.
19630 * postreload.c: Ditto.
19631 * tree-ssa-loop-ch.c: Ditto.
19634 * cppspec.c: Ditto.
19635 * diagnostic.c: Ditto.
19637 * genoutput.c: Ditto.
19639 * cfghooks.c: Ditto.
19640 * cfgloopanal.c: Ditto.
19641 * objc/objc-act.c: Ditto.
19643 * genextract.c: Ditto.
19644 * genautomata.c: Ditto.
19645 * pretty-print.c: Ditto.
19646 * genemit.c: Ditto.
19647 * cgraphunit.c: Ditto.
19649 * df-scan.c: Ditto.
19650 * haifa-sched.c: Ditto.
19651 * dominance.c: Ditto.
19653 * tree-ssa-loop-ivopts.c: Ditto.
19654 * df-core.c: Ditto.
19655 * mode-switching.c: Ditto.
19656 * modulo-sched.c: Ditto.
19658 * ipa-pure-const.c: Ditto.
19660 * fix-header.c: Ditto.
19662 * tree-stdarg.c: Ditto.
19663 * ipa-utils.c: Ditto.
19664 * loop-init.c: Ditto.
19665 * ipa-inline.c: Ditto.
19666 * cfganal.c: Ditto.
19668 * alloc-pool.c: Ditto.
19669 * dwarf2out.c: Ditto.
19671 * genattrtab.c: Ditto.
19672 * tree-ssa-loop-ivcanon.c: Ditto.
19673 * predict.c: Ditto.
19674 * timevar.c: Ditto.
19676 * fortran/gfortranspec.c: Ditto.
19677 * regmove.c: Ditto.
19678 * local-alloc.c: Ditto.
19679 * langhooks.c: Ditto.
19680 * function.c: Ditto.
19681 * tree-vectorizer.c: Ditto.
19683 * ipa-type-escape.c: Ditto.
19685 * tree-if-conv.c: Ditto.
19686 * profile.c: Ditto.
19688 * tree-data-ref.c: Ditto.
19689 * loop-unroll.c: Ditto.
19690 * treelang/treetree.c: Ditto.
19692 * bt-load.c: Ditto.
19693 * ggc-common.c: Ditto.
19695 * coverage.c: Ditto.
19697 * tree-cfgcleanup.c: Ditto.
19698 * tree-ssa-pre.c: Ditto.
19699 * cfgcleanup.c: Ditto.
19700 * loop-invariant.c: Ditto.
19701 * loop-iv.c: Ditto.
19702 * ipa-prop.c: Ditto.
19703 * print-tree.c: Ditto.
19704 * conflict.c: Ditto.
19705 * ggc-page.c: Ditto.
19706 * sched-deps.c: Ditto.
19707 * regclass.c: Ditto.
19708 * tree-object-size.c: Ditto.
19709 * combine.c: Ditto.
19710 * bb-reorder.c: Ditto.
19711 * resource.c: Ditto.
19712 * var-tracking.c: Ditto.
19713 * cfgloop.c: Ditto.
19714 * df-problems.c: Ditto.
19715 * reg-stack.c: Ditto.
19717 * gccspec.c: Ditto.
19718 * sched-rgn.c: Ditto.
19719 * tree-ssa-structalias.c: Ditto.
19720 * tree-ssa-reassoc.c: Ditto.
19721 * config/darwin-c.c: Ditto.
19722 * config/darwin.c: Ditto.
19723 * config/arm/arm.c: Ditto.
19725 * collect2.c: Ditto.
19726 * reload1.c: Ditto.
19728 2006-01-31 Nicolas Pitre <nico@cam.org>
19730 * arm.md (smaxsi3): Make aware of smax_m1.
19733 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19735 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19737 2006-01-31 Richard Guenther <rguenther@suse.de>
19739 * doc/invoke.texi (-msselibm): Document.
19740 * target.h (expand_library_builtin): New target hook.
19741 * builtins.c (expand_builtin): Use expand_library_builtin.
19742 (default_expand_library_builtin): New function.
19743 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19744 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19745 (link_gcc_math_spec): Declare.
19746 (static_specs): Add link_gcc_math_spec.
19747 * expr.h (default_expand_library_builtin): Declare.
19748 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19749 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19750 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19751 * config/i386/i386.opt (msselibm): New target option.
19752 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19753 (ix86_init_sse_abi_builtins): New function.
19754 (ix86_expand_library_builtin): Likewise.
19755 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19756 (override_options): Handle error conditions wrt -msselibm.
19757 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19758 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19759 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19762 2006-01-31 Richard Guenther <rguenther@suse.de>
19763 Paolo Bonzini <bonzini@gnu.org>
19765 * doc/install.texi (--disable-libgcc-math): Document.
19767 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19769 * expr.h (expand_normal): new inline function.
19770 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19771 * dojump.c: use it.
19772 * dwarf2out.c: use it.
19775 * expmed.c: use it.
19776 * except.c: use it.
19777 * config/sparc/sparc.c: use it.
19778 * config/i386/i386.c: use it.
19779 * config/rs6000/rs6000.c: use it.
19780 * config/arm/arm.c: use it.
19781 * config/mips/mips.c: use it.
19782 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19784 2006-01-30 Roger Sayle <roger@eyesopen.com>
19786 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19787 argv to the appropriate type.
19789 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19791 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19794 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19797 * config/s390/s390.c (struct machine_function): New flag
19798 decomposed_literal_pool_addresses_ok_p.
19799 (s390_reorg): Set it before final stage of literal pool transforms.
19800 (s390_decompose_address): Only accept displacements of the form
19801 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19803 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19805 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19806 the comparison routine return.
19808 2006-01-30 Michael Matz <matz@suse.de>
19810 * global.c (find_reg): Only evict for global regs.
19811 Take n_refs into account and dump more info.
19813 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19816 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19817 (pragma_trap, pragma_nosave_low_regs): Likewise.
19818 (current_function_anonymous_args): Likewise.
19819 (sh_deferred_function_attributes): New variable.
19820 (sh_deferred_function_attributes_tail): Likewise.
19821 (print_operand): For '@', look up trap_exit attribute.
19822 (calc_live_regs): Look up trapa_handler attribute. For trapa
19823 handlers, save/restore fpscr, but don't do any other
19824 interrupt-specific saves.
19825 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19826 Fix check for partially saved registers to check for SHmedia.
19827 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19828 (sh_output_function_epilogue): Don't clear any of the removed
19830 (sh_insert_attributes): Don't check pragma_interrupt.
19831 Insert deferred attributes. Check that interrupt attribute is
19832 present for other attributes that require its presence.
19833 (sh_attribute_table): Add new attributes trapa_handler and
19835 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19836 Don't check for pragma_interrupt. Don't store argument.
19837 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19838 (sh_deferred_function_attributes): Declare.
19839 (sh_deferred_function_attributes_tail): Likewise.
19840 * sh.md (sp_switch_1): Add operand. Change generator caller.
19841 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19842 (*return_i): Don't use when trap_exit attribute is in effect.
19843 (*return_trapa): New insn pattern.
19844 * sh-c.c: New file.
19845 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19846 setting c_target_objs and cxx_target_objs.
19847 * t-sh: Add rule for sh-c.o.
19849 2006-01-30 Richard Guenther <rguenther@suse.de>
19852 * gimplify.c (gimplify_target_expr): Handle easy cases
19853 without creating a temporary.
19855 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19857 * vec.h (safe_grow): Remove duplicated line.
19859 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19862 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19863 (expand_omp): ... here.
19864 (expand_omp_parallel): Only remove barriers for combined
19865 parallel+workshare constructs.
19867 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19871 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19872 * tree.c (build_qualified_type): Chain the new type to the original
19873 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19874 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19875 (build_pointer_type_for_mode): Only return unqualified types.
19876 (build_reference_type_for_mode): Likewise.
19878 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19880 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19881 * Makefile.in (CXX_COMPAT_WARN): Define.
19882 * configure: Regenerate.
19884 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19887 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19890 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19892 * toplev.c: Fix thinko.
19894 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19895 Marcin Dalecki <martin@dalecki.de>
19897 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19898 (push_srcloc): Use XNEW.
19899 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19901 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19903 * df-core.c (df_set_blocks): Deleted all variable.
19905 2006-01-28 Ian Lance Taylor <ian@airs.com>
19907 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19908 cgraph_output_pending_asms.
19910 2006-01-28 Zack Weinberg <zackw@panix.com>
19912 * c.opt: Add -W(no-)overlength-strings.
19913 * doc/invoke.texi: Document it.
19914 * c-opts.c (c_common_handle_option): -pedantic implies
19915 -Woverlength-strings, if not explicitly disabled already.
19916 (c_common_post_options): -Woverlength-strings defaults to off, and
19917 is always off for C++.
19918 * c-common.c (fix_string_type): Issue warning about strings longer
19919 than is portable only if warn_overlength_strings. Rearrange code
19920 a little for clarity.
19921 * configure.in: Check for -Wno-overlength-strings as well before
19922 enabling -pedantic in stage 1.
19923 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19924 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19926 * genconditions.c (write_header, write_one_condition)
19927 (write_conditions, write_writer): Consolidate very long strings
19928 that were broken up to fit in C89 portable limit. Don't use
19929 printf when fputs will do.
19931 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19933 * combine.c (simplify_comparison <AND>): Check
19934 TRULY_NOOP_TRUNCATION before start using a subreg.
19936 * config/mips/mips.md (*branch_zero<mode>,
19937 *branch_zero<mode>_inverted, *branch_equality<mode>,
19938 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19939 Remove mode check from comparisons.
19941 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19943 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19945 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19947 * expmed.c (const_mult_add_overflow_p): Remove.
19948 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19950 * recog.c (validate_replace_rtx_subexp): Remove.
19951 * recog.h: Remove the prototype for
19952 validate_replace_rtx_subexp.
19954 * integrate.h: Remove the prototype for
19955 copy_decl_for_inlining.
19956 * rtl.h: Remove the prototype for mark_constant_function.
19957 * tree-vectorizer.h: Remove the prototype for
19958 vect_strip_conversion.
19960 * modulo-sched.c (create_partial_schedule,
19961 free_partial_schedule, reset_partial_schedule): Make them
19964 * hooks.c (hook_bool_rtx_int_false): Remove.
19965 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19967 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19969 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19970 and -mlong-double-128 are incompatible.
19971 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19972 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19973 (TARGET_LIBGCC2_CFLAGS): Define.
19974 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19975 (TARGET_LIBGCC2_CFLAGS): Same.
19976 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
19978 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19981 * c-typeck.c (build_binary_op): Perform implicit casts of
19982 operands before shortening them.
19984 * cfgloopmanip.c (split_loop_bb): Remove.
19985 * cfgloop.h: Remove the prototype for split_loop_bb.
19987 * cfgloop.c (flow_loop_outside_edge_p): Remove.
19988 * cfgloop.h: Remove the prototype for
19989 flow_loop_outside_edge_p.
19991 * emit-rtl.c (init_virtual_regs): Make it static.
19992 * function.h: Remove the prototype for init_virtual_regs.
19994 * recog.c (peephole2_optimize): Make it static.
19995 * recog.h: Remove the prototype for peephole2_optimize.
19997 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
19999 * df-scan.c (df_record_entry_block_defs): Check if
20000 INCOMING_RETURN_ADDR_RTX is defined.
20002 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20003 Kenneth Zadeck <zadeck@naturalbridge.com>
20005 PR rtl-optimization/24762
20006 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20007 * targhooks.c (hook_void_bitmap): New hook prototype.
20008 * targhoohs.h (hook_void_bitmap): Ditto.
20009 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20010 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20011 * target.h (live_on_entry): New function pointer.
20012 * df-scan.c (df_all_hard_regs): Removed.
20013 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20014 (df_scan_free_internal): Added df->entry_block_defs.
20015 (df_scan_alloc): Ditto.
20016 (df_scan_dump): Ditto.
20017 (df_uses_record): Plumbed flag field properly thru calls.
20018 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20019 This part fixes PR24762.
20020 (df_bb_refs_record): Added code to make the frame and arg
20021 pointers live in EH blocks.
20022 (df_refs_record): Added call to df_record_entry_block_defs.
20023 (df_record_entry_block_defs): New function.
20024 * df-core.c: Added comments to describe new artifical defs.
20025 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20026 (entry_block_defs): New field in struct df.
20027 (df_all_hard_regs): Deleted.
20028 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20029 * df-problems.c (df_ru_bb_local_compute_process_def):
20030 Added code to handle artifical defs in the entry to a function.
20031 (df_ru_bb_local_compute): Ditto.
20032 (df_rd_bb_local_compute_process_def): Ditto.
20033 (df_rd_bb_local_compute): Ditto.
20034 (df_lr_bb_local_compute): Ditto.
20035 (df_ur_bb_local_compute): Ditto.
20036 (df_urec_bb_local_compute): Ditto.
20037 (df_chain_create_bb): Ditto.
20038 (df_ur_local_finalize): Removed entry.
20039 (df_urec_init): Ditto.
20040 (df_urec_local_finalize): Ditto.
20041 (df_ri_bb_compute): Added detection of last use of pseudos.
20042 * Makefile.in (df-scan.o): Updated dependencies.
20043 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20044 * config/mips/mips.c (mips_set_live_on_entry): Added.
20045 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20047 * dce.c (marked_insn_p): Added code to handle artifical defs.
20049 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20051 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20053 (_mm_cvtsi128_si64): Likewise.
20054 (_mm_cvtsd_si64): Likewise.
20055 (_mm_cvttsd_si64): Likewise.
20056 (_mm_cvtsi64_sd): Likewise.
20057 (_mm_cvtsi64_si128): Likewise.
20058 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20059 (_mm_cvtsi64_m64): Likewise.
20060 (_m_to_int64): Likewise.
20061 (_mm_cvtm64_si64): Likewise.
20062 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20063 (_mm_cvttss_si64): Likewise.
20064 (_mm_cvtsi64_ss): Likewise.
20065 (_mm_cvtss_f32): Likewise.
20067 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20069 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20070 for pragma redefine_extname.
20072 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20075 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20076 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20077 -mno-minimal-toc to previous content.
20078 (bispecs): Remove goal.
20079 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20080 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20081 compatibility aliases on powerpc-*-*gnu*.
20082 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20083 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20084 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20085 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20086 (ldblspecs): New goal.
20087 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20088 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20090 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20091 L_sf_to_tf or L_df_to_tf is defined.
20093 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20094 Alan Modra <amodra@bigpond.net.au>
20097 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20098 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20099 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20100 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20101 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20102 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20103 (rs6000_override_options): Initialize rs6000_ieeequad.
20104 Initialize TFmode format to ibm_extended_format if not
20106 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20108 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20109 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20110 (function_arg_advance): IBM long double passed in two FPRs, not
20112 (function_arg): IBM long double passed in FPRs.
20113 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20114 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20115 Only multireg GPR aligned.
20116 (rs6000_init_libfuncs): Enable IBM long double functions if not
20118 (rs6000_generate_compare): Use IBM long double compare if not
20120 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20121 (TARGET_IEEEQUAD): Define.
20122 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20123 not TARGET_IEEEQUAD.
20124 * config/rs6000/rs6000.md: Enable TFmode patterns if
20126 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20127 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20128 and -mlong-double-128 are incompatible.
20129 * doc/invoke.texi (-mabi): Collect options together. Add
20130 ibmlongdouble and ieeelongdouble.
20132 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20134 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20136 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20137 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20138 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20139 * rtl.h (rtunion_def): Remove rt_ptr.
20141 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20142 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20143 * config/i386/winnt.c (i386_pe_mark_dllexport)
20144 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20146 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20148 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20150 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20154 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20155 pthread_key_delete. From John David Anglin. gthrw-ify
20156 pthread_getunique_np only if it it's not a macro. Delete
20158 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20159 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20160 __gthread_objc_condition_signal, __gthread_key_delete): Add
20161 "__attribute__ ((__unused__))" to unused arguments.
20162 (__gthread_recursive_mutex_init_function): Add missing return.
20163 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20164 gthr-posix95.h: Use macro-based approach for name redirection
20165 on targets missing weakref.
20167 2006-01-26 Zack Weinberg <zackw@panix.com>
20169 * genconditions.c (write_header): In generated code, #ifdef out
20170 all includes and fake declarations, except includes of bconfig.h
20171 and system.h, unless GCC_VERSION >= 3001. Do not include
20172 gensupport.h in any case.
20173 (write_conditions): Generate a definition of struct c_test. Add
20174 a comment to the generated #endif.
20175 (write_one_condition): Escape backslashes in string too.
20176 (write_writer): Generated code must escape backslashes and quote
20177 marks (but not newlines) in the strings it writes.
20178 * Makefile.in (build/gencondmd.o): Update dependencies.
20180 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20183 * Makefile.in (insn-automata.o): Add header file dependencies.
20184 * genautomata.c: Add includes.
20186 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20189 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20191 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20193 * configure.ac: Expect target tools paths to be passed from the toplevel
20194 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20196 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20198 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20201 * c.opt (Wpointer-sign): Init to -1.
20202 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20203 OPT_pedantic, to 0 otherwise.
20204 * doc/invoke.texi: Update.
20206 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20208 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20209 constants provided by 80387 instructions in the destination mode.
20211 2006-01-26 Richard Guenther <rguenther@suse.de>
20212 Andrew Pinski <pinskia@physics.uc.edu>
20215 partial PR tree-opt/17064
20216 * tree-ssa-structalias.c (intra_create_variable_infos):
20217 Create heap variables for incoming parameters if
20218 flag_argument_noalias > 1.
20219 (find_what_p_points_to): Look through default defs of
20222 2006-01-26 Jeff Law <law@redhat.com>
20225 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20226 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20227 within the VR_RANGE, use the VR_RANGE as the result, not the
20229 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20230 bounds for the type.
20232 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20234 * tree-ssa-alias.c (maybe_create_global_var): Change
20235 subvar walking to an assertion that we don't have subvar'd variables.
20237 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20240 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20241 Use a new variable, inner. PARM_DECLs are always non-weak.
20243 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20245 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20246 --disable-checking.
20248 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20250 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20252 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20254 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20255 (smax_insn, smin_insn, smax_0, smin_0): New.
20257 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20260 * config/cris/cris.c (cris_order_for_addsi3): New function.
20261 * config/cris/cris-protos.h: Prototype it.
20262 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20263 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20264 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20265 (split for "op.S1 [rx=rx+i],ry (swapped)")
20266 (split for "op(s|u).S1 [rx=rx+i],ry")
20267 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20268 Apply cris_order_for_addsi3 when generating addsi3 insns.
20270 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20272 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20273 (TREE_BLOCK): Add call to EXPR_CHECK.
20275 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20278 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20279 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20280 (dump_omp_clauses): ... here.
20281 (dump_generic_node): Handle OMP_CLAUSE.
20282 * tree.c (omp_clause_num_ops): New.
20283 (omp_clause_code_name): New.
20284 (tree_code_size): Handle OMP_CLAUSE.
20285 (tree_size): Likewise.
20286 (make_node): Document handling of OMP_CLAUSE.
20287 (tree_node_structure): Handle OMP_CLAUSE.
20288 (omp_clause_check_failed): New.
20289 (omp_clause_range_check_failed): New.
20290 (omp_clause_operand_check_failed): New.
20291 (build_omp_clause): New.
20292 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20293 * tree.h (enum omp_clause_code): Declare.
20294 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20295 (OMP_CLAUSE_RANGE_CHECK): Define.
20296 (OMP_CLAUSE_ELT_CHECK): Define.
20297 (omp_clause_check_failed): Declare.
20298 (omp_clause_operand_check_failed): Declare.
20299 (omp_clause_range_check_failed): Declare.
20300 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20301 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20302 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20303 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20304 (OMP_CLAUSE_IF_EXPR): Likewise.
20305 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20306 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20307 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20308 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20309 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20310 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20311 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20312 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20313 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20314 (OMP_CLAUSE_CODE): Define.
20315 (OMP_CLAUSE_SET_CODE): Define.
20316 (OMP_CLAUSE_CODE): Define.
20317 (OMP_CLAUSE_OPERAND): Define.
20318 (struct tree_omp_clause): Declare.
20319 (union tree_node): Add field 'omp_clause'.
20320 * treestruct.def (TS_OMP_CLAUSE): Define.
20321 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20322 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20323 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20324 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20325 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20326 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20327 (OMP_CLAUSE): Define.
20328 * print-tree.c (print_node): Handle OMP_CLAUSE.
20329 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20330 * c-typeck.c: Likewise.
20331 * gimplify.c: Likewise.
20332 * c-omp.c: Likewise.
20333 * tree-nested.c: Likewise.
20334 * tree-inline.c: Likewise.
20335 * c-parser.c: Likewise.
20336 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20339 2006-01-25 Roger Sayle <roger@eyesopen.com>
20341 PR rtl-optimization/25703
20342 * combine.c (try_combine): Handle zero_extract and strict_low_part
20343 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20345 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20347 * global.c: Fix comment typos.
20349 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20352 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20353 Use output_addr_const instead of assemble_name.
20355 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20357 * Makefile.in (sched-vis.o): Update dependencies.
20358 * haifa-sched.c (sched_finish): Clear current_sched_info.
20359 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20360 (dump_flow_info): Call it.
20361 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20363 * basic-block.h (dump_bb_info): Declare.
20364 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20365 option, and apply options only for dump files whose TDF_RTL,
20366 TDF_TREE, or TDF_IPA bits match.
20367 * rtl.h: Declare new functions exported from sched-vis.c.
20368 * sched-vis.c: Enable also if scheduling is not used.
20369 (print_value): Print the mode of registers if not inside scheduling.
20370 (print_insn): Make it work outside the scheduler. Beautify the output
20372 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20374 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20376 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20377 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20378 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20379 depending on the value of CONSTANT_POOL_ADDRESS_P.
20380 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20382 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20383 rather than SYMBOL_REF_DECL.
20384 (rtx_constant_pool): Remove const_rtx_sym_htab.
20385 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20386 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20387 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20388 Remove handling of const_rtx_sym_htab.
20389 (find_pool_constant): Delete.
20390 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20391 rather than find_pool_constant.
20392 (get_pool_constant_for_function): Delete.
20393 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20394 find_pool_constant.
20395 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20396 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20397 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20398 (SYMBOL_REF_CONSTANT): New macro.
20399 (get_pool_constant_for_function): Delete.
20400 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20401 rather than SYMBOL_REF_DECL.
20402 (i386_pe_mark_dllimport): Likewise.
20403 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20404 rather than SYMBOL_REF_DECL.
20405 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20406 (machopic_indirect_call_target): Likewise.
20408 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20410 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20412 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20414 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20416 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20418 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20420 2006-01-24 David Daney <ddaney@avtrex.com>
20423 * configure.ac (enable_tls): New enable option.
20424 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20425 * configure: Regenerate.
20426 * doc/install.texi (--enable-tls): Document new option.
20427 (--disable-tls): Ditto.
20429 2006-01-24 Richard Henderson <rth@redehat.com>
20431 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20432 * alias.c (true_dependence): Respect it.
20433 (canon_true_dependence, write_dependence_p): Likewise.
20434 * builtins.c (get_builtin_sync_mem): Set it.
20436 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20438 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20441 2006-01-24 DJ Delorie <dj@redhat.com>
20443 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20444 for storing constants in single-bit bitfields.
20446 2006-01-25 Ben Elliston <bje@au.ibm.com>
20448 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20450 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20453 * tree-ssa-pre.c (phi_translate): Return NULL
20454 for AGGREGATE_TYPE's.
20456 2006-01-24 Zack Weinberg <zackw@panix.com>
20458 * genautomata.c (process_state_for_insn_equiv_partition):
20459 Use xcalloc for insn_arcs_array.
20460 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20461 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20463 2006-01-24 Richard Henderson <rth@redhat.com>
20465 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20466 update all callers.
20468 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20470 PR rtl-optimization/25890
20471 PR rtl-optimization/25905
20472 * combine.c (expand_compound_operation, expand_field_assignment):
20473 Fail if the bitfield's final position is out of bounds.
20475 2006-01-24 Ian Lance Taylor <ian@airs.com>
20477 PR middle-end/25930
20478 * cgraphunit.c (cgraph_output_in_order): Don't clear
20479 cgraph_asm_nodes until after asm strings have been output.
20481 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20483 * fix-header.c (read_scan_file): Add new parameter imultilib when
20484 calling register_include_chains.
20486 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20488 * omp-low.c: Update documentation.
20490 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20491 Daniel Berlin <dberlin@dberlin.org>
20495 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20496 return from the function.
20498 2006-01-22 Zack Weinberg <zackw@panix.com>
20500 * rtl.def (match_code): Add second argument.
20501 * genpreds.c (write_extract_subexp): New function.
20502 (write_match_code): Add path argument. Use write_extract_subexp.
20503 (write_predicate_expr): Pass path to write_match_code.
20504 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20505 not perform a mode test.
20506 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20507 a subexpression does not constrain the top-level code set.
20508 * read-rtl.c (read_rtx_variadic): New function.
20509 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20510 * doc/md.texi: Document new notation.
20511 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20512 (cmpsi_operand): ... here, using new notation.
20514 2006-01-22 Zack Weinberg <zackw@panix.com>
20516 * varray.c: Remove GENERATOR_FILE #ifdefs.
20518 2006-01-22 Zack Weinberg <zackw@panix.com>
20520 * genautomata.c (output_reserved_units_table): Emit nothing if
20521 description->query_units_num is zero. Remove extra blank line.
20522 (output_cpu_unit_reservation_p): Short circuit
20523 if description->query_units_num is zero.
20525 2006-01-22 Zack Weinberg <zackw@panix.com>
20527 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20528 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20529 nor any of the random handful of variables that used to be necessary
20530 when this program was linked with rtlanal.o. Prune set of forward
20531 function declarations.
20532 (struct attr_desc): Remove static_p field.
20533 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20534 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20535 (attr_string): Do not read the character one past the length of
20537 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20538 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20539 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20540 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20541 (make_automaton_attrs): New.
20542 (main): Do not call into genautomata. Call local gen_bypass
20543 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20544 Remove special case for insn_alts.
20545 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20546 varray.h (leftover from previous change). Prune set of forward
20547 function declarations. Remove state_alts fields from all
20548 structures. Remove state_alts_table from struct automaton.
20549 Make everything except main static. Do not maintain num_dfa_decls.
20550 Do not maintain state_alts fields of various structures.
20551 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20552 (add_arc): Remove state_alts argument. All callers updated.
20553 (output_reserved_units_table): Emit #ifdef here...
20554 (output_tables): ...not here. Don't generate state_alts tables.
20555 (expand_automata): Don't generate attributes.
20556 (write_automata): Don't generate state_alts functions.
20557 (main): New function.
20558 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20559 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20560 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20561 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20562 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20563 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20564 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20565 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20567 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20568 * genattrtab.h: Delete file.
20569 * Makefile.in (OBJS-common): Add insn-automata.o.
20570 (insn-automata.o): New rule.
20571 (simple_generated_c): Add insn-automata.c.
20572 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20573 (genprogmd): Add automata.
20574 (build/genattrtab): Needs no extra objects nor libraries.
20575 (build/genautomata): Needs build/vec.o and -lm.
20577 2006-01-22 Zack Weinberg <zackw@panix.com>
20579 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20580 (output_dfa_max_issue_rate, locked_states_num): Delete.
20581 (struct automaton): Add locked_states field.
20582 (output_dead_lock_vect): Save number of locked states in
20583 automaton->locked_states. If it is zero, don't print anything.
20584 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20585 (output_internal_dead_lock_func): Only test the dead_lock_vect
20586 for automata that have locked states.
20587 (output_statistics): Always print the number of locked states for
20588 each automaton. Calculate total number of locked states here.
20589 (write_automata): Don't call output_dfa_max_issue_rate.
20590 * genattrtab.c: Define length_unit_log as a const variable.
20591 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20592 max_insn_queue_index const.
20593 * final.c (length_unit_log): Declare const.
20594 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20596 2006-01-22 Zack Weinberg <zackw@panix.com>
20598 * genautomata.c: Include vec.h, not varray.h.
20599 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20600 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20601 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20602 VEC_* macros operating on appropriately typed vectors, or to
20603 malloced arrays when the size is known in advance. Const-ify
20604 many char* variables and function arguments. No functional changes.
20605 * Makefile.in (build/varray.o): Delete rule.
20606 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20607 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20609 2006-01-22 Zack Weinberg <zackw@panix.com>
20611 * gensupport.c: Define get_insn_name and record_insn_name here.
20612 (read_md_rtx): Call record_insn_name as appropriate.
20613 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20614 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20615 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20617 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20618 (BUILD_VARRAY): Delete.
20619 (genprognormal): Rename genprogmd. Fold in all programs from
20620 genprognoprint; also attrtab.
20621 (build/genattrtab): Just mention genautomata.o and varray.o.
20622 Reorganize a bit, add comments to make the categories clearer.
20624 2006-01-22 Zack Weinberg <zackw@panix.com>
20626 * genconditions.c (condition_table, add_condition): Delete.
20627 (write_conditions): Don't emit n_insn_conditions nor
20628 insn_elision_unavailable. Issue the gcc version #ifdef here,
20629 inside the table, with no #else clause ...
20630 (write_header): ...not here.
20631 (write_writer): New function.
20632 (main): Don't initialize condition_table. Use add_c_test.
20634 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20635 files on the command line.
20636 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20637 Return -1 if there is no entry in the table, don't abort.
20638 (add_c_test, traverse_c_tests): New functions.
20639 * gensupport.h (insn_elision_unavailable, insn_conditions)
20640 (n_insn_conditions): Delete declarations.
20641 (add_c_test, traverse_c_tests): Declare.
20642 * read-rtl.c: Include gensupport.h.
20643 (read_conditions): New function.
20644 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20645 (read_rtx_1): If we get EOF when we were looking for an initial
20646 open paren, return 0. Call read_conditions when appropriate.
20647 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20648 dummy-conditions.o. Eliminate references to insn-conditions.o,
20649 or change them to build/gencondmd.o, as appropriate. Remove
20650 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20651 from $(simple_generated_c). For all files remaining in those
20652 two lists, add insn-conditions.md to the generator command line.
20653 Give insn-constants.h/s-constants their own rules. Add rules
20654 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20655 (build/read-rtl.o): Depend on gensupport.h.
20656 (genprognormal): Include preds.
20657 (genprogearly): Rename genprognoprint; only difference is now that
20658 they don't link with $(BUILD_PRINT).
20659 * dummy-conditions.c: Delete.
20661 2006-01-22 Zack Weinberg <zackw@panix.com>
20663 * genextract.c: Don't include insn-config.h. Do include vec.h.
20664 Declare vectors of int, char, and locstr.
20665 (locstr): New typedef.
20666 (struct extraction): Make all array fields into bare pointers.
20667 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20668 (insn_code_number): Delete.
20669 (accum_extract): New struct.
20670 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20671 (gen_insn): Take insn_code_number as an argument. Use an
20672 accum_extract structure instead of loading data directly into
20673 a struct extraction, and having to know how big it might get.
20674 (walk_rtx): Operate entirely on an accum_extract structure.
20675 (print_path): Avoid unnecessary use of printf.
20676 (print_header): New function, split out of main. Distinguish
20677 more carefully between an unrecognizable insn and an insn that
20678 has the code number of a define_expand.
20679 (main): Pass insn_code_number to gen_insn. Call print_header
20680 only after parsing. Avoid unnecessary use of printf.
20681 * Makefile.in (build/vec.o): New rule.
20682 (build/genextract): Depend on build/vec.o.
20683 (build/genextract.o): Don't depend on insn-config.h.
20685 2006-01-22 Zack Weinberg <zackw@panix.com>
20687 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20688 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20689 practical. Eliminate per-generator-program link rules.
20691 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20693 PR middle-end/24437
20694 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20695 with a call expr to ...
20696 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20698 2006-01-23 Richard Guenther <rguenther@suse.de>
20700 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20701 before make_edge with conditional EDGE_TRUE_VALUE.
20703 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20704 Jan Hubicka <jh@suse.cz>
20705 Richard Guenther <rguenther@suse.de>
20707 PR rtl-optimization/25654
20708 * cfgexpand.c (aggregate_contains_union_type): New function.
20709 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20710 for structure variables that contain a union type.
20712 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20714 * gengtype.c (new_structure): Return the structure.
20715 (create_option): Add an extra "next" argument.
20716 (create_field): New function.
20717 (adjust_field_rtx_def): Use create_option and create_field.
20718 Remove a now-unnecessary call to find_structure.
20719 (adjust_field_tree_def): Likewise.
20720 (note_yacc_type): Remove an unnecessary call to find_structure.
20721 * gengtype.h (new_structure): Return the structure.
20722 (create_option): Add an extra argument.
20723 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20724 (option): Adjust calls to create_option.
20726 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20728 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20730 2006-01-22 Paul Brook <paul@codesourcery.com>
20731 Peter Barada <peter@the-baradas.com>
20733 * config/m68k/m68k.md: Add Coldfire FPU support.
20734 Define FP mode macro and associated attributes.
20735 Use it for float mode patterns.
20736 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20737 (LIBCALL_VALUE): Use m68k_libcall_value.
20738 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20739 (m68k_function_value): Ditto.
20740 (emit_move_sequence): Ditto.
20741 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20742 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20743 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20744 (MULTILIB_EXCEPTIONS): Ditto.
20745 * config/m68k/m68k.opt: Add mcfv4e.
20746 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20747 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20748 (m68k_output_function_prologue): Save ColdFire FPU registers.
20749 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20750 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20751 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20752 ColdFire FPU registers.
20753 (m68k_libcall_value, m68k_function_value): New functions.
20754 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20755 (LIBCALL_VALUE): Use m68k_libcall_value.
20756 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20757 (MASK_COLDFIRE): Add MASK_CFV4E.
20758 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20759 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20760 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20761 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20762 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20763 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20764 * doc/invoke.tex: Document -mcfv4e on m68k.
20766 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20768 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20771 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20774 * c-opts.c (c_common_handle_option): Don't include
20775 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20776 * doc/invoke.texi (C++ Dialect Options): Document that
20777 -Wnon-virtual-dtor is no longer included in -Wall.
20779 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20781 * gcov.c (print_version), gcov-dump.c (print_version),
20782 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20785 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20787 * df-scan.c (problem_SCAN): Added NULL reset function.
20788 (df_scan_reset_blocks): Added code to call reset block function
20789 (df_bb_refs_delete) Fixed comment.
20790 (df_insn_refs_delete): Made tolerant of deleting non existent info
20791 for dataflow problems that need to be reset.
20792 * df-core.c (df_set_blocks): Ditto.
20793 * df.h (struct df_problem): Added reset_fun.
20794 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20795 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20796 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20797 functions to clear out all references to def-use or use-def chains.
20799 2006-01-21 Ben Elliston <bje@au.ibm.com>
20801 * varasm.c (assemble_real): Initialise data array.
20803 2006-01-20 Paul Brook <paul@codesourcery.com>
20805 Merge from csl-arm-branch.
20806 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20807 * config/arm/arm.md (movdi): Force operands[1] to a register
20808 if we have a non-register source.
20809 (*arm_movdi, *movdf_soft_insn): Require that one of the
20810 operands be a register.
20811 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20812 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20814 2006-01-20 DJ Delorie <dj@redhat.com>
20816 * varasm.c (initializer_constant_valid_p): Allow pointers
20817 initialized from integer constants of lesser precision.
20818 (output_constant): Allow non-int-sized pointer modes to be
20819 initialized from integer constants.
20821 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20824 * cppdefault.h (struct default_include): Add multilib flag.
20825 * cppdefault.c (cpp_include_defaults): Set it.
20826 * c.opt (-imultilib): New option.
20827 * c-opts.c (imultilib): New.
20828 (c_common_handle_option): Handle -imultilib.
20829 (c_common_post_options): Likewise.
20830 * c-incpath.c (add_standard_paths, register_include_chains):
20832 * c-incpath.h (register_include_chains): Add extra parameter.
20833 * gcc.c (do_spec_1): Generate -imultilib option.
20834 (The Specs Language): Update %I description.
20835 (process_command): Update copyright notice.
20836 * doc/cppopts.texi (-imultilib): Document.
20837 * doc/invoke.texi (-imultilib): Include in option summary.
20838 (%I): Update specs documentation.
20840 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20842 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20844 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20846 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20849 2006-01-20 Richard Guenther <rguenther@suse.de>
20850 Steven Bosscher <stevenb.gcc@gmail.com>
20852 PR rtl-optimization/24626
20853 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20854 EDGE_TRUE_VALUE if in RTL mode.
20857 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20858 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20860 2006-01-20 Dirk Mueller <dmueller@suse.com>
20863 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20864 instead of a special NOP marker.
20865 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20866 NOP marker handling.
20867 * c-common.h (empty_body_warning): Add forward declaration.
20868 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20869 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20871 2006-01-20 Paul Brook <paul@codesourcery.com>
20873 * Makefile.in (lang_checks): Keep going if mkdir fails.
20875 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20877 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20878 be able to clean out basic block when not necessary.
20879 (df_scan_free): Fixed to properly delete information if df is
20880 unused before calling df_finish.
20881 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20882 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20884 (df_bb_refs_delete): New function.
20885 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20886 * df-core.c (df_set_blocks): Added code to properly clean out
20887 unused blocks if they are not part of the blocks to consider.
20888 Added additional null check.
20889 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20890 be able to clean out basic block when not necessary
20891 * df.h (df_free_bb_function): Ditto.
20892 (df_bb_refs_delete): New function.
20893 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20894 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20895 basic block parameter to be able to clean out basic block when not
20897 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20898 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20899 Fixed to properly delete information if df is unused before
20902 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20904 PR rtl-optimization/25799
20905 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20906 Corrected confluence operator to remove bits from op2 before oring
20907 with op1 rather than removing bits from op1.
20908 (df_ru_transfer_function): Corrected test on wrong bitmap which
20909 caused infinite loop. Both of these problems were introduced in
20910 the dataflow rewrite.
20912 2006-01-19 DJ Delorie <dj@redhat.com>
20914 * reload1.c (find_reload_regs): Note the details of reload
20915 failures in the dump file.
20916 (spill_failure): Likewise.
20918 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20920 * loop-iv.c: Include df.h and hashtab.h.
20921 (enum iv_grd_result): New enum.
20922 (DF_REF_IV, DF_REF_IV_SET): New macros.
20923 (struct biv_entry): New.
20924 (df, bivs): New global variables.
20925 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20926 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20928 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20929 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20930 analyzed_for_bivness_p, record_biv): New functions.
20931 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20932 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20933 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20935 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20937 (iv_number_of_iterations): Use new interface to iv analysis.
20938 * loop-unroll.c: Do not include varray.h.
20939 (analyze_iv_to_split_insn): Use new interface to iv
20941 * loop-unswitch.c (may_unswitch_on): Ditto.
20942 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20944 (df_bb_modify): Realloc tables to the new index.
20945 (df_find_use): New function.
20946 * df.h (df_find_use): Declare.
20947 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20949 * cfgloop.h (struct rtx_iv): Remove analysed field.
20950 (iv_get_reaching_def): Removed.
20951 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20952 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20953 (loop-iv.o): Add df.h and hashtab.h dependency.
20954 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20956 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20959 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20961 (__floatundisf, __floatundidf): Likewise.
20962 * libgcc2.h (IS_IBM_EXTENDED): Define.
20964 2006-01-19 DJ Delorie <dj@redhat.com>
20966 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20968 2006-01-19 Paul Brook <paul@codesourcery.com>
20970 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20971 as nothrow when unwinding tables are disabled.
20973 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20976 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
20977 of bit-field" when in system header.
20979 2006-01-19 DJ Delorie <dj@redhat.com>
20981 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
20982 the 16 bit shift limit of the m16c.
20984 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
20987 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
20988 * config/i386/i386.c (output_set_got): Output the label if we have one
20989 for the TARGET_DEEP_BRANCH_PREDICTION case.
20991 2006-01-19 Jan Hubicka <jh@suse.cz>
20992 H.J. Lu <hongjiu.lu@intel.com>
20993 Evandro Menezes <evandro.menezes@amd.com>
20995 * invoke.texi (generic): Document
20997 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
20998 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
20999 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21000 (x86_use_incdec, x86_pad_returns): New variables
21001 (TARGET_CPU_DEFAULT_generic): New constant
21002 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21003 (enum processor_type): Add generic32 and generic64.
21004 * i386.md (cpu attribute): Add generic32/generic64
21005 (movhi splitter): Behave sanely when both partial_reg_dependency and
21006 partial_reg_stall are set.
21007 (K8 splitters): Enable for generic as well.
21008 * predicates.md (incdec_operand): Use TARGET_INCDEC
21009 (aligned_operand): Avoid memory mismatch stalls.
21010 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21011 * ppro.md: Enable for generic32
21012 * i386.c (generic64_cost, generic32_cost): New.
21013 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21014 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21015 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21016 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21017 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21018 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21019 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21020 x86_accumulate_outgoing_args, x86_prologue_using_move,
21021 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21022 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21023 Enable for generic.
21024 (x86_use_incdec, x86_pad_returns): New.
21025 (override_options): Add generic32 and generic64, translate "generic"
21026 to generic32/generic64 and "i686" to "generic32", refuse
21027 "generic32"/"generic64" as arch target.
21028 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21029 (ix86_reorg): Honor PAD_RETURNS.
21031 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21033 * tree-pretty-print.c (dump_generic_node): Handle
21034 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21035 * cgraph.c (cgraph_expand_queue): Rename from
21036 cgraph_analyze_queue. Update all users.
21037 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21038 cgraph_expand_queue.
21039 (cgraph_expand_all_functions): Likewise.
21040 (cgraph_finalize_pending_functions): Remove. Update callers.
21042 * tree.h (OMP_DIRECTIVE_P): Define.
21043 (OMP_PARALLEL_FN): Define.
21044 (OMP_PARALLEL_DATA_ARG): Define.
21045 (OMP_SECTIONS_SECTIONS): Define.
21046 * tree-pass.h (pass_expand_omp): Declare.
21047 * omp-low.c (struct omp_region): Declare.
21048 (struct omp_context): Remove fields 'parallel_type',
21049 'parallel_start_ix' and 'parallel_start_additional_args'.
21051 (struct omp_for_data): Rename from struct expand_omp_for_data.
21052 (omp_regions): New static variable.
21053 (root_omp_region): New static variable.
21054 (find_omp_clause): Make static.
21055 (is_in_combined_parallel_ctx): Remove.
21056 (is_combined_parallel): New.
21057 (extract_omp_for_data): Move earlier in the file.
21058 (workshare_safe_to_combine_p): New.
21059 (get_ws_args_for): New.
21060 (determine_parallel_type): Move earlier in the file.
21061 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21063 (omp_copy_decl): Likewise.
21064 (create_omp_child_function): Likewise.
21065 (lookup_omp_region): New.
21066 (dump_omp_region): New.
21067 (debug_omp_region): New.
21068 (debug_all_omp_regions): New.
21069 (new_omp_region): New.
21070 (scan_omp_parallel): If parallel_nesting_level > 1, the
21071 directive is nested within another parallel directive.
21072 Set OMP_PARALLEL_FN.
21073 (scan_omp_for): Do not try to handle combined parallel+for
21075 Remove FIXME comment.
21076 (scan_omp_nested): Remove.
21077 (scan_omp_1): Do not call scan_omp_nested when
21078 parallel_nesting_level is > 1.
21079 Do not change the DECL_CONTEXT of local variables found.
21080 (lookup_decl_in_outer_ctx): New.
21081 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21082 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21083 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21084 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21085 If CTX is nested, lookup VAR in the outer context when
21086 building copy assignment.
21087 (lower_send_clauses): Rename from expand_send_clauses.
21088 If CTX is nested, lookup VAR in the outer context when
21089 building copy assignments.
21090 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21091 If CTX is nested, lookup VAR in the outer context when
21092 building copy assignments.
21093 (expand_parallel_call): Rename from build_parallel_call.
21094 Handle combined parallel+workshare cases.
21095 Re-implement to emit code into the CFG.
21097 (expand_omp_parallel): Re-implement to emit code into the CFG.
21098 Call move_sese_region_to_fn to outline the sub-graph
21099 containing the parallel region.
21100 (expand_omp_for_1): Remove.
21101 (expand_omp_for_generic): Re-implement to emit code into the
21103 (expand_omp_for_static_nochunk): Likewise.
21104 (expand_omp_for_static_chunk): Likewise.
21105 (expand_omp_for): Likewise.
21106 (expand_omp_sections): Likewise.
21107 (remove_exit_barriers): New.
21108 (expand_omp_synch): New.
21110 (build_omp_regions_1): New.
21111 (build_omp_regions): New.
21112 (execute_expand_omp): New.
21113 (gate_expand_omp): New.
21114 (pass_expand_omp): Define.
21115 (lower_omp_sections): Rename from expand_omp_sections.
21116 Set OMP_SECTIONS_SECTIONS.
21117 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21118 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21119 (lower_omp_single): Rename from expand_omp_simple.
21120 (lower_omp_master): Rename from expand_omp_master.
21121 (lower_omp_ordered): Rename from expand_omp_ordered.
21122 (lower_omp_critical): Rename from expand_omp_critical.
21123 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21124 (lower_omp_for): Re-implement.
21125 (lower_omp_parallel): Re-implement.
21126 (lower_regimplify): Rename from expand_regimplify.
21127 (lower_omp_1): Rename from expand_omp_1.
21128 If there are syntax errors in the program, replace every
21129 OpenMP directive with NOP.
21130 Call lower_omp_* instead of expand_omp_*.
21131 (lower_omp): Rename from expand_omp.
21133 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21134 * tree-gimple.h (enum omp_parallel_type): Remove.
21135 (gimple_boolify): Declare extern.
21136 (find_omp_clause, determine_parallel_type): Remove.
21138 * gimple-low.c (lower_omp_directive): New.
21139 (lower_stmt): Call it.
21140 (record_vars_into): Move from ...
21141 (record_vars): ... here.
21142 Call record_vars_into with current_function_decl.
21144 * gimplify.c (struct gimplify_ctx): Remove fields
21145 combined_pre_p and combined_ctxp. Update users.
21146 (get_formal_tmp_var): Add documentation.
21147 (gimple_boolify): Make extern.
21148 (gimplify_expr_in_ctx): Remove. Update callers.
21149 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21150 will always be a BIND_EXPR.
21151 (gimplify_expr): Handle OMP_RETURN_EXPR.
21152 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21153 (OMP_PARALLEL): Add 3 operands.
21154 (OMP_SECTIONS): Add 1 operand.
21155 (OMP_RETURN_EXPR): Define.
21157 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21158 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21159 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21160 creating a circular free list.
21161 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21163 * tree-flow.h (move_sese_region_to_fn): Declare.
21164 (record_vars_into): Declare.
21165 * tree-cfg.c (make_omp_sections_edges): New.
21166 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21167 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21168 OMP_SECTIONS and OMP_SECTION.
21169 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21170 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21171 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21172 (gather_blocks_in_sese_region): New.
21173 (struct move_stmt_d): Declare.
21174 (move_stmt_r): New.
21175 (move_block_to_fn): New.
21176 (move_sese_region_to_fn): New.
21178 * passes.c (init_optimization_passes): Schedule
21179 pass_expand_omp after pass_init_datastructures.
21181 * tree-ssa-operands.c (get_expr_operands): Handle
21182 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21183 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21185 2006-01-19 Jeff Law <law@redhat.com>
21187 * tree-vrp.c (extract_range_from_assert): Refine the result range
21188 if the variable referenced by the ASSERT_EXPR has a range and
21189 either the tentative result range or the previous range is a
21192 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21194 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21196 2006-01-19 Jan Hubicka <jh@suse.cz>
21198 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21200 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21202 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21203 (expand_compound_operation, expand_field_assignment): Fail if the
21204 bit lengths of an extract operation are out of range.
21205 (make_extraction): Compute wanted_inner_mode based on the position
21206 and length of the extraction. Make it extraction_mode for non-constant
21207 positions, and do not modify offset in that case. When generating a
21208 new MEM, use a mode that can hold the extraction while keeping correct
21209 alignment. Remove code that supported MEMs wrapped by USEs.
21210 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21212 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21214 * config/s390/s390.md ("Y", "y"): New mode attribute.
21215 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21216 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21217 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21218 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21219 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21220 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21221 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21222 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21223 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21224 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21225 "addsi3", "subsi3"): Insn patterns removed.
21226 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21227 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21228 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21229 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21230 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21231 "*sub<mode>3_cconly2"): New insn patterns.
21232 ("addsi3", "subsi3"): New expanders.
21234 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21236 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21237 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21238 existing STMT_VINFO_VECTYPE if available.
21239 (vect_mark_relevant): Add special handling for stmts that are
21240 marked as STMT_VINFO_IN_PATTERN_P.
21241 (vect_analyze_loop): Call vect_pattern_recog.
21242 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21243 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21245 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21246 (vect_recog_func_ptr): New function-pointer type.
21247 * tree-vect-patterns.c: New file.
21248 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21249 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21250 (vect_pattern_recog_1): New functions.
21251 (vect_pattern_recog_funcs): New array of function pointers.
21253 * tree-vectorizer.h (ternary_op): New enum value.
21254 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21255 declaration. Revised documentation. Removed redundant dump prints.
21256 Removed redundant argument. Added support for reduction patterns.
21257 (vectorizable_reduction): Added support for reduction patterns.
21258 (vect_transform_stmt): Added support for patterns.
21260 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21261 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21262 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21263 (expand_widen_pattern_expr): New function.
21264 (init_optabs): Initialize new optabs udot_prod_optab,
21266 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21267 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21268 (expand_widen_pattern_expr): New function declaration.
21269 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21271 * tree-inline.c (estimate_num_insns_1): Added cases for new
21272 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21273 * tree-pretty-print.c (dump_generic_node): Likewise.
21274 (op_prio): Likewise.
21275 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21276 * tree-ssa-operands.c (get_expr_operands): Added case for
21278 * tree-vect-patterns.c (widened_name_p): New function.
21279 (vect_recog_dot_prod_pattern): Added function implementation.
21280 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21281 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21282 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21283 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21285 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21286 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21287 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21288 (init_optabs): Initialize new optabs widen_ssum_optab,
21290 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21291 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21292 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21293 use instead of type of def.
21294 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21295 function implementation.
21296 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21297 widen_ssumv8hi): New.
21299 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21302 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21305 * c-decl.c (add_flexible_array_elts_to_size): New function.
21306 (finish_decl): Use it.
21308 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21310 * diagnostic.h: Include options.h.
21311 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21312 dependancies for diagnostic.h.
21313 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21315 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21317 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21318 (ssa_ro_call_cache_valid): Ditto.
21319 * tree-ssa-alias.c (sort_tags_by_id): New function.
21320 (init_transitive_clobber_worklist): Ditto.
21321 (add_to_worklist): Ditto.
21322 (mark_aliases_call_clobbered): Ditto.
21323 (compute_tag_properties): Ditto.
21324 (set_initial_properties): Ditto.
21325 (compute_call_clobbered): Ditto.
21326 (compute_may_aliases): Call compute_call_clobbered and grouping.
21327 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21328 (compute_flow_insensitive_aliasing): Grouping now happens in our
21330 (setup_pointers_and_addressables): Remove clobbering related code.
21331 (add_may_alias): Ditto.
21332 (replace_may_alias): Ditto.
21333 (get_nmt_for): Ditto.
21334 (create_global_var):
21335 (is_escape_site): Return an escape_type enumeration.
21336 * tree-flow-inline.h (is_call_clobbered): Global var does not
21337 imply call clobbered.
21338 (mark_call_clobbered): Take a reason for marking this. Remove
21339 marking of globalness, and cache invalidation.
21340 (clear_call_clobbered): Remove cache invalidation code.
21341 * tree-dfa.c (dump_variable): If details is on, dump the reason
21343 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21345 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21346 (struct var_ann_d): Ditto.
21347 (enum escape_type): New.
21348 (mark_call_clobbered): Adjust prototype.
21349 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21350 are never call clobbered.
21351 Record reasons for escaping.
21352 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21353 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21354 (ssa_ro_call_cache_valid): Ditto.
21355 (clobbered_v_may_defs): Ditto.
21356 (clobbered_vuses): Ditto.
21357 (ro_call_vuses): Ditto.
21358 (clobber_stats): New.
21359 (init_ssa_operands): Zero out clobber stats.
21360 (fini_ssa_operands): Print out clobber stats.
21361 (get_call_expr_operands): Pass callee fndecl to
21362 add_call_read_ops).
21363 (add_call_clobber_ops): Remove use of cache.
21364 Add use of PURE_CONST information.
21365 (add_call_read_ops): Remove use of cache.
21366 Add use of static not_read information.
21368 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21370 Introduce TLS descriptors for i386 and x86_64.
21371 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21372 (TARGET_ANY_GNU_TLS): New macro.
21373 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21374 (struct machine_function): Add tls_descriptor_call_expanded_p.
21375 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21376 (ix86_current_function_calls_tls_descriptor): Likewise.
21377 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21378 (override_options): Introduce gnu2 tls dialect.
21379 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21381 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21383 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21384 (ix86_init_machine_status): Initialize new field.
21385 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21386 (ix86_tls_module_base): New.
21387 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21388 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21389 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21390 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21391 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21392 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21393 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21394 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21395 * config/i386/predicates.md (tls_modbase_operand): New.
21396 (tp_or_register_operand): New.
21398 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21400 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21401 (look_for_address_of): Ditto.
21402 (ipa_init): Walk the function decls.
21403 (static_execute): Don't set readonly on FUNCTION_DECL's.
21405 2006-01-18 Roger Sayle <roger@eyesopen.com>
21407 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21408 for shifts where the source and destination registers are different.
21410 2006-01-18 Paul Brook <paul@codesourcery.com>
21412 Merge from csl-arm-branch.
21413 2005-03-14 Julian Brown <julian@codesourcery.com>
21414 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21415 (aeabi_llsl): Likewise.
21416 (ashrdi3): Likewise.
21417 (aeabi_lasr): Likewise.
21418 (lshrdi3): Likewise.
21419 (aeabi_llsr): Likewise.
21420 2005-03-10 Julian Brown <julian@codesourcery.com>
21421 * config.gcc: Disable shared libgcc for SymbianOS.
21422 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21424 2006-01-18 DJ Delorie <dj@redhat.com>
21426 * c-pragma.c (handle_pragma_diagnostic): New.
21427 (init_pragma): Register it.
21428 * doc/extend.texi: Document it.
21430 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21431 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21432 (diagnostic_context): Add classify_diagnostic[].
21433 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21434 as errors if they're overridden to DK_WARNING.
21435 (diagnostic_initialize): Initialize classify_diagnostic[].
21436 (diagnostic_set_kind_override): New.
21437 (diagnostic_report_diagnostic): Check for kind changes.
21438 * opts.c (common_handle_option): Take lang_mask. Update callers.
21439 Handle OPT_Werror_.
21440 * common.opt (Werror=): New.
21441 * doc/invoke.texi: Document -Werror=*
21443 2006-01-18 Jeff Law <law@redhat.com>
21445 * tree-vrp.c (test_for_singularity): Correct test for new
21446 min limit. Use operand_equal_p rather than pointer equality
21447 for testing if new min/max values are equal.
21449 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21450 using range information until after propagation and folding.
21452 2006-01-18 Richard Henderson <rth@redhat.com>
21453 Aldy Hernandez <aldyh@redhat.com>
21454 Jakub Jelinek <jakub@redhat.com>
21455 Diego Novillo <dnovillo@redhat.com>
21457 * omp-low.c: New file.
21458 * c-omp.c: New file.
21460 2006-01-18 Richard Henderson <rth@redhat.com>
21461 Jakub Jelinek <jakub@redhat.com>
21462 Diego Novillo <dnovillo@redhat.com>
21464 * doc/invoke.texi: Document -fopenmp.
21465 * tree-dump.h (debug_function): Declare.
21466 * hooks.c (hook_bool_tree_bool_false): New function.
21467 (hook_tree_tree_null): Remove.
21468 (hook_tree_tree_tree_null): New.
21469 * hooks.h: Update to match.
21470 * tree-pretty-print.c (debug_tree_chain): New.
21471 (print_generic_expr): Handle TDF_CHAIN.
21472 (dump_generic_node): Handle BLOCK.
21473 Do not abort with incomplete SWITCH_EXPRs.
21474 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21475 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21476 print space after directive name.
21477 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21478 Handle OMP_MASTER and OMP_ORDERED.
21479 Handle printing of OMP_BODY just in one place, goto
21480 dump_omp_body in the rest of OMP_* nodes that have
21482 Don't handle clause nodes here. Update omp statements to
21483 use dump_omp_clauses.
21484 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21485 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21486 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21487 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21488 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21489 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21490 Adjust output for GOMP_PARALLEL.
21491 (dump_omp_clauses): New.
21492 (print_declaration): Dump DECL_VALUE_EXPR.
21493 (op_symbol_1): Split out of op_symbol.
21494 (dumping_stmts): Remove. Update all users.
21495 * cgraph.c (cgraph_analyze_queue): New.
21496 (cgraph_add_new_function): New.
21497 * cgraph.h (cgraph_analyze_queue): Declare.
21498 (cgraph_add_new_function): Declare.
21499 (cgraph_lower_function): Remove.
21500 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21501 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21502 and TYPE_P nodes in its default clause.
21503 (empty_body_p): New.
21504 (tree_range_check_failed): New.
21505 (build5_stat): New.
21506 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21507 OMP_CLAUSE_REDUCTION_MERGE,
21508 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21509 OMP_CLAUSE_PRIVATE_DEBUG,
21510 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21511 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21512 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21513 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21514 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21515 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21516 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21517 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21518 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21519 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21520 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21521 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21522 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21523 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21524 (TREE_RANGE_CHECK): New.
21525 (empty_body_p): Declare.
21526 (enum omp_clause_default_kind): New.
21527 (build_string_literal): Declare.
21528 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21529 (build5_stat, build5): Declare.
21530 * tree-pass.h (TDF_CHAIN): Define.
21531 * tree-pass.h (PROP_gimple_lomp): Define.
21532 (pass_lower_omp): Declare.
21533 * diagnostic.h (debug_tree_chain): Declare.
21534 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21536 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21537 * builtins.c (build_string_literal): Make extern.
21538 * gcc.c (include_spec_function): New.
21539 (static_spec_functions): Add it.
21540 (main): Move load of libgomp.spec ...
21541 (LINK_COMMAND_SPEC): ... here.
21542 (link_gomp_spec): New.
21543 (static_specs): Include it.
21544 (LINK_COMMAND_SPEC): Add link_gomp.
21545 (GOMP_SELF_SPECS): New.
21546 (driver_self_specs): Include it.
21547 (switch_matches): Don't mark inline.
21548 (main): Load libgomp.spec.
21549 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21550 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21551 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21552 * tree-gimple.h (enum omp_parallel): Declare.
21553 (determine_parallel_type): Declare.
21554 (omp_firstprivatize_variable): Declare.
21555 (omp_reduction_init): Declare.
21556 (diagnose_omp_structured_block_errors): Declare.
21557 (struct walk_stmt_info): Add want_return_expr.
21558 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21559 (find_omp_clause): Declare.
21560 (insert_field_into_struct): Declare.
21561 (struct walk_stmt_info): Move from tree-nested.c
21562 (walk_stmts): Declare.
21563 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21565 * cgraphunit.c (cgraph_lower_function): Make static.
21566 (cgraph_finalize_pending_functions): New.
21567 (cgraph_finalize_function): Call it.
21568 (cgraph_finalize_compilation_unit): Likewise.
21569 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21570 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21571 (BT_FN_UINT_UINT): New.
21572 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21573 DEF_FUNCTION_TYPE_VAR_4): Document.
21574 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21575 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21576 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21577 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21578 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21579 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21580 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21581 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21582 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21583 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21584 into separate files.
21585 (DEF_GOMP_BUILTIN): New.
21586 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21587 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21588 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21589 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21590 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21591 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21592 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21593 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21594 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21595 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21596 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21597 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21598 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21599 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21600 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21601 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21602 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21603 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21604 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21605 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21606 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21607 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21608 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21609 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21610 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21611 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21612 * sync-builtins.def: New file, moved from builtins.def.
21613 * omp-builtins.def: New file, moved from builtins.def.
21614 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21615 * gimple-low.c (lower_function_body): Clear data.
21616 (lower_stmt): Do not handle COMPOUND_EXPR.
21617 Remove call to print_node_brief.
21618 * c-tree.h (c_finish_omp_clauses): New prototype.
21619 (C_DECL_THREADPRIVATE_P): Define.
21620 (lookup_name_no_remap, c_omp_remap_private): Remove
21621 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21622 (check_for_loop_decls): Update decl.
21623 (lookup_name_no_remap, c_omp_remap_private): Declare.
21624 (build_indirect_ref, build_modify_expr, pushdecl,
21625 pushdecl_top_level): Move to c-common.h.
21626 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21627 before the switch, but just in the 2 places that need it.
21628 * c-decl.c (diagnose_mismatched_decls): Do not check for
21629 mismatched thread-local attributes when OLDDECL is marked
21630 threadprivate and NEWDECL has no thread-local attributes.
21631 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21632 (c_gimple_diagnostics_recursively): Rename from
21633 c_warn_unused_result_recursively. Invoke
21634 diagnose_omp_structured_block_errors.
21635 (check_for_loop_decls): Return a singular decl found.
21636 * langhooks.c (lhd_omp_predetermined_sharing): Return
21637 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21638 (lhd_omp_firstprivatize_type_sizes): New.
21639 (lhd_omp_assignment): New.
21640 (lhd_omp_predetermined_sharing): New.
21641 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21642 (struct lang_hooks_for_types): Add
21643 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21644 omp_predetermined_sharing, omp_disregard_value_expr,
21645 omp_private_debug_clause, omp_clause_default_ctor,
21646 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21647 (c_finish_omp_clauses): New.
21648 (c_finish_bc_stmt): Diagnose break within omp for.
21649 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21650 (build_unary_op): Return error_mark after reporting
21652 (build_modify_expr): Likewise.
21653 * gimplify.c: Include optabs.h and pointer-set.h.
21654 (enum gimplify_omp_var_data): Declare.
21655 (struct gimplify_omp_ctx): Declare.
21656 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21658 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21659 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21660 (splay_tree_compare_decl_uid): New.
21661 (new_omp_context): New.
21662 (delete_omp_context): New.
21663 (gimple_add_tmp_var): Call omp_add_variable.
21664 (gimplify_bind_expr): Likewise.
21665 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21666 true, disregard DECL_VALUE_EXPR on the decl if any.
21667 (gimplify_expr_in_ctx): New.
21668 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21669 omp_add_variable, omp_notice_variable, omp_is_private
21670 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21671 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21672 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21673 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21674 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21675 gimplify_omp_atomic): New.
21676 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21677 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21678 OMP_CRITICAL and OMP_ATOMIC.
21679 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21680 * c-pragma.h (enum pragma_kind): Add
21681 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21682 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21683 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21684 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21685 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21686 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21687 PRAGMA_OMP_THREADPRIVATE.
21688 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21689 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21690 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21691 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21692 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21693 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21694 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21695 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21696 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21697 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21698 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21699 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21700 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21702 (struct nesting_info): Add field_map,
21703 suppress_expansion, debug_var_chain.
21704 (create_nesting_tree): Initialize them.
21705 (lookup_field_for_decl): Use field_map.
21706 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21707 (convert_local_omp_clauses): New.
21708 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21709 (walk_body): Split out of walk_function.
21710 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21711 (convert_nonlocal_reference): Handle omp statements.
21712 (convert_local_reference): Likewise.
21713 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21714 (unnest_nesting_tree): New.
21715 (lower_nested_functions): Call it.
21716 (insert_field_into_struct): Make extern.
21717 (struct walk_stmt_info): Move to tree-gimple.h.
21718 (walk_stmts): Make extern.
21719 * omp-builtins.def: New file.
21720 * tree-iterator.c (expr_only): Clarify comment.
21721 * c-common.h (pushdecl_top_level, pushdecl,
21722 build_modify_expr, build_indirect_ref,
21723 c_finish_omp_master, c_finish_omp_critical,
21724 c_finish_omp_ordered, c_finish_omp_barrier,
21725 c_finish_omp_atomic, c_finish_omp_flush,
21726 c_finish_omp_for, c_split_parallel_clauses,
21727 omp_clause_default_kind, c_omp_sharing_predetermined,
21728 c_omp_remap_decl): Declare.
21729 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21730 (OBJS-common): Add omp-low.o.
21731 (c-omp.o, omp-low.o): Add.
21732 (gimplify.o): Add dependency on $(OPTABS_H).
21733 (GTFILES): Add omp-low.c.
21734 (gt-stringpool.h): Add.
21735 * tree-cfg.c (set_bb_for_stmt): Do not update the
21736 block-to-labels map if we are currently expanding to RTL.
21737 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21739 Handle IDENTIFIER_NODE.
21740 (tree_verify_flow_info): Do not ICE when emitting error
21741 messages about invalid labels.
21742 (dump_function_to_file): Reset CFUN before emitting the body
21744 (debug_function): New.
21745 * passes.c (init_optimization_passes): Schedule
21747 * langhooks-def.h (lhd_omp_predetermined_sharing,
21748 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21750 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21751 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21752 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21753 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21754 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21755 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21756 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21757 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21758 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21759 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21760 (LANG_HOOK_DECLS): Use them.
21762 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21763 Richard Henderson <rth@redhat.com>
21764 Jakub Jelinek <jakub@redhat.com>
21765 Diego Novillo <dnovillo@redhat.com>
21767 * c-parser.c (pragma_omp_clause): Define.
21768 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21769 (c_parser_compound_statement): Likewise.
21770 (c_parser_statement): Likewise.
21771 (c_parser_pragma): Handle omp pragmas.
21772 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21773 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21774 (c_parser_omp_clause_name, check_no_duplicate_clause,
21775 c_parser_omp_variable_list,
21776 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21777 c_parser_omp_clause_copyprivate,
21778 c_parser_omp_clause_default,
21779 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21780 c_parser_omp_clause_lastprivate,
21781 c_parser_omp_clause_nowait,
21782 c_parser_omp_clause_num_threads,
21783 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21784 c_parser_omp_clause_reduction,
21785 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21786 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21787 c_parser_omp_atomic, c_parser_omp_barrier,
21788 c_parser_omp_critical, c_parser_omp_flush,
21789 c_parser_omp_for_loop, c_parser_omp_for,
21790 c_parser_omp_master, c_parser_omp_ordered,
21791 c_parser_omp_sections_scope, c_parser_omp_sections,
21792 c_parser_omp_parallel, c_parser_omp_single,
21793 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21794 * c-pragma.c (init_pragma): Do omp pragma registration here.
21795 * c.opt (fopenmp): New flag.
21797 2006-01-18 Eric Christopher <echristo@apple.com>
21799 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21800 * config/darwin.h (GOMP_SELF_SPECS): Define.
21802 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21804 * rtl.h: Remove the prototype for reg_alloc.
21806 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21809 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21810 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21811 sjlj and dwarf2 exception handling.
21812 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21813 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21814 * pa/pa.c (function_value): Treat complex and vector types as
21816 (function_arg): Likewise. Only pass scalar floats in the floating
21817 point argument registers.
21818 * pa/t-slibgcc-dwarf-ver: New file.
21819 * pa/t-slibgcc-sjlj-ver: New file.
21820 * pa/t-slibgcc-elf-ver: Delete file.
21822 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21824 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21825 unlikely_test_section_p test.
21827 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21829 * mode-switching.c (optimize_mode_switching): Make it static.
21830 * basic-block.h: Remove the prototype for
21831 optimize_mode_switching.
21833 * modulo-sched.c (sms_schedule): Make it static.
21834 * rtl.h: Remove the prototype for sms_schedule.
21836 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21837 * rtl.h: Remove the prototype for gcse_after_reload_main.
21839 * reg-stack.c (reg_to_stack): Make it static.
21840 * rtl.h: Remove the prototype for reg_to_stack.
21842 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21844 * rtl.h: Remove the prototypes for regrename_optimize and
21845 copyprop_hardreg_forward.
21847 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21849 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21850 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21851 Test against the appropriate null constant for the mode.
21852 If 'fixup_overlap' is true, swap the operands if they overlap.
21853 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21854 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21855 alpha_split_tmode_pair and adjust for above change.
21856 * config/alpha/alpha.md (movtf_internal): Adjust call to
21857 alpha_split_tfmode_pair and rely on it to swap the operands.
21858 (movti_internal): New insn and post-reload splitter.
21859 (movti): New expander.
21861 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21863 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21866 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21868 * rtlanal.c (global_reg_mentioned_p_1,
21869 global_reg_mentioned_p): Remove.
21870 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21872 * flow.c (initialize_uninitialized_subregs): Make it static.
21873 * rtl.h: Remove the prototype for
21874 initialize_uninitialized_subregs.
21876 * function.c (instantiate_virtual_regs): Make it static.
21877 * function.h: Remove the prototype for
21878 instantiate_virtual_regs.
21880 * regmove.c (regmove_optimize, combine_stack_adjustments):
21882 * rtl.h: Remove the prototypes for regmove_optimize and
21883 combine_stack_adjustments.
21885 2006-01-17 Roger Sayle <roger@eyesopen.com>
21887 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21888 (size_cost): Encode costs in bytes so that a reg-reg addition is
21889 equivalent to COSTS_N_INSNS(1).
21890 (override_options): Use the size_cost.branch_cost as the default
21891 ix86_branch_cost when optimizing for size.
21893 2006-01-18 Ben Elliston <bje@au.ibm.com>
21895 * Makefile.in (D32PBIT_FUNCS): New.
21896 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21897 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21898 D64PBIT_FUNCS and D128PBIT_FUNCS.
21899 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21900 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21902 (decnumber_dep): Define.
21903 * doc/libgcc.texi (Decimal float library routines): New node.
21904 * config/dfp-bit.h, config/dfp-bit.c: New files.
21906 2006-01-18 Ben Elliston <bje@au.ibm.com>
21908 * expr.c (emit_move_change_mode): Always adjust addresses, not
21909 just during reload. Copy replacements only during reload.
21910 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21911 emit_move_via_integer.
21913 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21915 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21916 instead of $(srcdir) and ${srcdir}.
21918 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21921 PR middle-end/11135
21922 * arm.h (struct machine_function): Add pic_reg.
21923 * arm.c (arm_pic_register): Make unsigned.
21924 (arm_override_options): Only set arm_pic_register if
21925 TARGET_SINGLE_PIC_BASE.
21926 (use_return_insn): Only test for a pic register if it is fixed.
21927 (arm_compute_save_reg0_reg12_mask): Likewise.
21928 (thumb_compute_save_reg_mask): Likewise.
21929 (legitimate_pic_operand): Factor out some known invariants.
21930 (legitimize_pic_address): If we don't have a fixed pic register,
21931 then set up a pseudo in the function entry sequence. Handle the
21932 pic base being in a pseudo.
21933 (arm_load_pic_register): Handle the pic register being in a pseudo.
21934 (arm_expand_prologue): Only set up the pic register if it is fixed.
21935 (thumb_expand_prologue): Likewise.
21936 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21937 (pic_load_addr_based_insn): Likewise.
21938 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21941 2006-01-18 Ben Elliston <bje@au.ibm.com>
21943 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21944 decimal float modes for all floating point registers.
21946 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21947 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21949 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21952 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21953 even when the pointer is not NULL.
21955 2006-01-16 Ian Lance Taylor <ian@airs.com>
21957 * common.opt (ftoplevel-reorder): New option.
21958 * cgraph.c (cgraph_asm_nodes): New global variable.
21959 (cgraph_asm_last_node): New static variable.
21960 (cgraph_order): New global variable.
21961 (cgraph_create_node): Set new order field.
21962 (cgraph_varpool_node): Likewise.
21963 (decide_is_variable_needed): Return true if not
21964 flag_toplevel_reorder.
21965 (cgraph_add_asm_node): New function.
21966 * cgraph.h (struct cgraph_node): Add order field.
21967 (struct cgraph_varpool_node): Add order field.
21968 (struct cgraph_asm_node): Define.
21969 (cgraph_asm_nodes, cgraph_order): Declare.
21970 (cgraph_add_asm_node): Declare.
21971 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21973 (cgraph_varpool_assemble_pending_decls): Call it.
21974 (cgraph_output_pending_asms): New static function.
21975 (cgraph_finalize_compilation_unit): Call it.
21976 (struct cgraph_order_sort): Define.
21977 (cgraph_output_in_order): New static function.
21978 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
21979 !flag_toplevel_reorder case.
21980 * c-parser.c: Include "cgraph.h".
21981 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
21983 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
21984 than -fno-unit-at-a-time.
21985 * doc/invoke.texi (Option Summary): Mention
21986 -fno-toplevel-reorder.
21987 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
21988 -funit-at-a-time documentation.
21990 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
21991 Kazu Hirata <kazu@codesourcery.com>
21993 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
21995 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
21997 * Makefile.in (FUNCTION_H): New. Use it instead of
21998 function.h throughout the file.
21999 * function.h: Include tree.h.
22001 2006-01-17 Ben Elliston <bje@au.ibm.com>
22003 * recog.c: Separate some functions with whitespace.
22005 2006-01-16 Richard Henderson <rth@redhat.com>
22007 Merge from gomp branch:
22008 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22009 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22010 and rename from struct inline_data. Rename callee* to dst*;
22011 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22012 transform_new_cfg, transform_return_to_modify, and
22013 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22015 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22016 (copy_decl_for_dup): Remove.
22017 * tree-inline.c (struct inline_data): Move to header.
22018 (insert_decl_map): Export.
22019 (remap_decl): Update for member name changes. Use copy_decl hook.
22020 Allow for replacement to be a non-decl. Remove dead code.
22021 (remap_type_1): Check for existing mapping.
22022 (remap_type): Export.
22023 (remap_decls): Update for member name changes.
22024 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22025 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22026 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22027 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22028 (tree_function_versioning, build_duplicate_type): Likewise.
22029 (copy_body_r): Likewise. Export.
22030 (copy_decl_for_dup): Split into ...
22031 (copy_decl_for_dup_finish, copy_decl_to_var,
22032 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22033 (replace_ref_tree, inlining_p): Remove.
22035 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22037 * ifcvt.c (if_convert): Make it static.
22038 * rtl.h: Remove the prototype for if_convert.
22040 * local-alloc.c (local_alloc): Make it static.
22041 * rtl.h: Remove the prototype for local_alloc.
22043 * loop.c (loop_optimize): Make it static.
22044 * cfgloop.h: Remove the prototype for loop_optimize.
22047 2006-01-16 DJ Delorie <dj@redhat.com>
22049 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22052 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22054 * pa.md: Disparage copies between general and floating-point registers
22055 in 32-bit move patterns.
22057 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22060 * Makefile.in (check-%): Depend on site.exp instead of
22061 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22064 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22066 * global.c (global_alloc): Make it static.
22067 * rtl.h: Remove the prototype for global_alloc.
22069 2006-01-16 Richard Guenther <rguenther@suse.de>
22071 * tree-ssa-alias.c (struct used_part): Add write_only field.
22072 (get_or_create_used_part_for): Initialize it to true.
22073 (create_overlap_variables_for): Don't create structure variables
22074 for structures that only are written to.
22075 (find_used_portions): Handle MODIFY_EXPR to track whether a
22076 structure is only written to.
22078 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22080 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22082 * basic-block.h: Remove the prototype for
22083 partition_hot_cold_basic_blocks.
22085 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22087 * cppspec.c (lang_specific_spec_functions): Remove.
22088 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22089 * gcc.h (lang_specific_spec_functions): Remove.
22090 * gccspec.c (lang_specific_spec_functions): Remove.
22092 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22094 * combine.c (record_value_for_reg): Invalidate registers
22096 (record_dead_and_set_regs_1): Likewise, by passing them to
22097 record_value_for_reg.
22098 (record_dead_and_set_regs): Invalidate stores made by a
22099 call. We do not combine across a call, but we still
22100 relied on equivalences.
22102 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22104 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22105 vrp_int_const_binop returning non-constant nodes.
22107 2006-01-16 Paul Brook <paul@codesourcery.com>
22109 * config/m68k/m68k.c (output_move_const_into_data_reg):
22110 Output correct mnemonic for mvz and mvs.
22112 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22114 * rtl-factoring.c: Add sequence abstraction algorithm.
22115 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22116 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22118 (block_has_preserve_label): New function.
22119 * common.opt: Register new pass.
22120 * Makefile.in: Ditto.
22122 * timevar.def: Ditto.
22123 * tree-pass.h: Ditto.
22124 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22125 * rtl.h (make_jump_insn_raw): Add forward decl.
22126 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22128 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22129 Roger Sayle <roger@eyesopen.com>
22131 * fold-const.c (fold_minmax): New static function.
22132 (fold_binary) <MIN_EXPR>: Call it.
22133 <MAX_EXPR>: Likewise.
22134 * stor-layout.c (place_field): Use DECL_SIZE consistently
22135 in the computation of the new record size.
22137 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22139 * cse.c (cse_condition_code_reg): Make it static.
22140 * rtl.h: Remove the prototype for cse_condition_code_reg.
22142 * combine.c (combine_instructions): Make it static.
22143 * rtl.h: Remove the prototype for combine_instructions.
22145 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22148 * tree.c (get_file_function_name_long): Concatenate the first global
22149 object name with a string derived from the input filename of the object
22152 2006-01-16 Ben Elliston <bje@au.ibm.com>
22154 * config/i386/winnt-stubs.c: Update FSF address.
22155 * config/xtensa/ieee754-df.S: Ditto.
22156 * config/xtensa/ieee754-sf.S: Ditto.
22158 2006-01-14 Ian Lance Taylor <ian@airs.com>
22160 * ifcvt.c (noce_init_if_info): New static function, broken out of
22161 noce_process_if_block.
22162 (noce_process_if_block): Call noce_init_if_info.
22163 (check_cond_move_block): New static function.
22164 (cond_move_process_if_block): New static function.
22165 (process_if_block): Call cond_move_process_if_block.
22167 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22169 * cselib.c (hash_table): Rename to cselib_hash_table.
22170 (cselib_clear_table, discard_useless_values,
22171 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22172 cselib_init, cselib_finish): Adjust uses of hash_table.
22174 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22176 PR tree-optimization/25485
22177 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22178 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22179 is known to be false and true, respectively.
22181 2006-01-14 Richard Guenther <rguenther@suse.de>
22183 PR tree-optimization/22548
22184 PR tree-optimization/22555
22185 PR tree-optimization/22501
22186 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22187 * params.def (salias-max-array-elements): New parameter.
22188 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22189 * doc/invoke.texi (salias-max-array-elements): Document.
22190 * tree-flow-inline.h (var_can_have_subvars): We also handle
22192 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22194 * tree-ssa-structalias.c (params.h): Include.
22195 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22196 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22197 (get_constraint_for): For ADDR_EXPR operating on something
22198 containing an ARRAY_REF, add all subvars to the solution.
22199 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22200 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22201 for creating MUST_DEFs.
22202 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22204 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22206 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22208 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22209 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22210 number_of_iterations_le): New functions.
22211 (number_of_iterations_special): Removed.
22212 (number_of_iterations_exit): Do not use number_of_iterations_special.
22213 * tree.c (unsigned_type_for): Always return integer type.
22215 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22216 Richard Guenther <rguenther@suse.de>
22218 PR rtl-optimization/24257
22219 * gcse.c (find_moveable_store): Only consider a store movable
22220 when the SET_SRC of the insn can be assigned to a register.
22222 2006-01-14 Ian Lance Taylor <ian@airs.com>
22224 * tree.c (tree_not_class_check_failed): New function.
22225 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22226 (tree_not_class_check_failed): Declare.
22228 2006-01-13 Ian Lance Taylor <ian@airs.com>
22230 * reload1.c (do_output_reload): Add assertion rejecting a
22233 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22235 * combine.c (struct reg_stat): Add new fields truncation_label and
22237 (record_value_for_reg): Reset truncated_to_mode.
22238 (record_truncated_value): New function.
22239 (check_promoted_subreg): Call it. Rename to check_conversions.
22240 (combine_instructions): Rename check_promoted_subreg to
22242 (reg_truncated_to_mode): New function.
22243 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22244 (gen_lowpart_or_truncate): New function.
22245 (force_to_mode): Use it instead of gen_lowpart.
22247 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22249 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22250 VAR is a tag, not its type tag.
22252 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22254 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22255 alternatives to match style of other entries.
22256 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22258 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22260 PR tree-optimization/25771
22261 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22264 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22267 * tree-inline.c (declare_return_variable): If the return variable
22268 was marked as a non gimple complex, set the return slot variable
22269 to be a non gimple comple variable.
22271 2006-01-13 Richard Guenther <rguenther@suse.de>
22273 * builtins.c (expand_builtin_sincos): New function.
22274 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22276 (expand_builtin): Expand sincos using expand_builtin_sincos.
22278 2006-01-12 DJ Delorie <dj@redhat.com>
22280 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22281 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22282 so that constant shifts can be split.
22283 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22284 (m32c_valid_pointer_mode): Make static.
22285 (shift_gen_func_for): New.
22286 (m32c_prepare_shift): Use it. Split large const shifts into
22288 * config/m32c/predicates.md (shiftcount_operand): Allow more
22290 (longshiftcount_operand): New.
22291 * doc/md.texi (Machine Constraints): Document In6.
22293 2006-01-13 Ben Elliston <bje@au.ibm.com>
22295 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22296 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22299 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22301 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22302 to try to avoid clobbering pieces of structures when we know
22303 something about the whole structure.
22304 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22306 2006-01-13 Ben Elliston <bje@au.ibm.com>
22308 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22309 return in memory, as this is no limitation is no longer present.
22311 2006-01-12 DJ Delorie <dj@redhat.com>
22313 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22314 mova with fb, and for fb+0 -> An.
22316 * config/m32c/mov.md (peephole2): Fix enabling logic.
22318 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22319 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22320 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22321 FINI_ARRAY_SECTION_ASM_OP): Define.
22323 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22325 (m32c_legitimize_reload_address): New logic to reload FB to An.
22326 (m32c_output_reg_push): Add newline.
22327 (m32c_output_reg_pop): Likewise.
22329 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22331 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22333 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22335 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22337 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22339 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22342 2006-01-11 Ben Elliston <bje@au.ibm.com>
22344 * rtlanal.c (find_reg_note): Assert insn is not null.
22346 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22348 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22351 2006-01-11 Jeff Law <law@redhat.com>
22353 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22355 (mark_threaded_blocks, register_jump_thread): New functions.
22356 (thread_through_all_blocks): Remove unwanted argument. No
22357 longer rely on e->aux to communicate thread target info.
22358 Call mark_threaded_blocks. Release the threaded_blocks
22359 bitmap and threaded_edges vector when complete.
22360 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22361 (threaded_blocks): Remove.
22362 (tree_ssa_dominator_optimize): Remove initialization and
22363 finalization of threaded_blocks. Simplify call to
22364 thread_through_all_blocks.
22365 (thread_across_edge): Call register_jump_thread rather than
22366 storing thread information into e->aux.
22367 (free_all_edge_infos): Simplify now that e->aux is no longer
22368 used to communicate with thread_through_all_blocks.
22369 * tree-flow.h (thread_through_all_blocks): Update prototype.
22370 (register_jump_thread): Prototype.
22372 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22374 * df-core.c (df_compact_blocks, df_bb_replace): Use
22375 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22377 2006-01-11 Richard Guenther <rguenther@suse.de>
22379 PR tree-optimization/25734
22380 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22381 stop propagation after successful propagation to the LHS.
22383 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22385 * basic-block.h (control_flow_graph): Change the type of
22386 x_basic_block_info to VEC(basic_block,gc) *.
22387 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22389 (SET_BASIC_BLOCK): New.
22390 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22391 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22392 * cfgbuild.c (find_basic_blocks): Likewise.
22393 * cfglayout.c (fixup_reorder_chain): Likewise.
22394 * cfgrtl.c (create_basic_block_structure,
22395 rtl_create_basic_block): Likewise.
22396 * ifcvt.c (find_if_case_1): Likewise.
22397 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22400 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22402 * Makefile.in: Removed rotted odf.c entry.
22404 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22407 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22408 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22409 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22410 output pattern modifier, not %e.
22411 * config/cris/cris.c (cris_op_str): Update comment about pattern
22413 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22414 before falling through into...
22415 <case 'E'>: Redefined from old 'e' case.
22417 2006-01-11 Jan Hubicka <jh@suse.cz>
22420 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22422 2006-01-11 Jan Hubicka <jh@suse.cz>
22424 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22425 * i386.c (x86_decompose_lea): Kill.
22426 (ix86_rtx_costs): Kill.
22428 2006-01-11 Jan Hubicka <jh@suse.cz>
22430 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22431 * cgraph.h (cgraph_node): Add inline_decl.
22432 (cgraph_insert_node_to_hashtable): Declare.
22433 (save_inline_function_body): Declare.
22434 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22436 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22437 (cgraph_function_versioning): Update call of tree_function_versioning.
22438 (save_inline_function_body): New function.
22439 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22440 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22441 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22442 (cgraph_default_inline_p): Likewise.
22443 (cgraph_decide_inlining_incrementally): Likewise.
22444 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22445 (copy_bb): Kill saving; do updating of clones.
22446 (copy_cfg_body): Kill saving.
22447 (initialize_inlined-parameters): Likewise.
22448 (expand_call_inline): Likewise.
22450 (tree_function_versioning): New parameter "update_clones".
22451 (inlining_p): Kill saving.
22452 * tree-inline.h (tree_function_versioning): Update prototype.
22453 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22456 2006-01-11 Ian Lance Taylor <ian@airs.com>
22458 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22459 Allow undoing set of machine mode.
22460 (do_SUBST): Use enums instead of is_int.
22461 (do_SUBST_MODE): New function.
22462 (SUBST_MODE): New macro.
22463 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22464 reg and trying to replace reg_regno_rtx with a new register.
22465 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22466 (simplify_set): Use SUBST_MODE.
22467 (distribute_notes): Remove code that tried to update reg notes
22468 for regno_reg_rtx changes.
22470 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22472 PR tree-optimization/23109
22473 PR tree-optimization/23948
22474 PR tree-optimization/24123
22476 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22477 * tree-cfg.c (single_noncomplex_succ): New.
22478 * tree-flow.h (single_noncomplex_succ): Declare it.
22479 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22480 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22481 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22482 insert_bb, register_division_in, insert_reciprocals,
22483 replace_reciprocal, free_bb): New.
22484 (execute_cse_reciprocals_1): Rewritten.
22485 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22486 Do not commit any edge insertion. Always compute dominators and
22487 create the allocation pool.
22488 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22489 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22490 * targhooks.c (default_min_divistions_for_recip_mul): New.
22491 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22492 * passes.c (init_optimization_passes): Run recip after tree loop
22494 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22496 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22497 Kenneth Zadeck <zadeck@naturalbridge.com>
22499 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22500 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22501 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22502 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22503 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22504 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22505 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22506 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22507 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22508 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22509 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22510 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22511 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22512 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22513 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22514 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22515 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22516 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22517 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22518 DF_SCAN_POST_ALLOC): New macros.
22519 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22520 df_free_bb_function, df_local_compute_function, df_init_function,
22521 df_dataflow_function, df_confluence_function_0,
22522 df_confluence_function_n, df_transfer_function,
22523 df_finalizer_function, df_free_function, df_dump_problem_function,
22524 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22525 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22526 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22527 df_urec_bb_info, ) New types.
22528 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22530 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22531 df_analyze_simple_change_some_blocks,
22532 df_analyze_simple_change_one_block, df_compact_blocks,
22533 df_bb_replace, df_bb_regno_last_use_find,
22534 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22535 df_insn_regno_def_p, df_find_def, df_find_use,
22536 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22537 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22538 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22539 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22540 debug_df_chain, df_get_dependent_problem, df_chain_create,
22541 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22542 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22543 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22544 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22545 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22546 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22547 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22548 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22549 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22550 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22551 df_reorganize_refs, df_set_state, df_hard_reg_init,
22552 df_read_modify_subreg_p) New public functions.
22553 * df-core.c: The core dataflow solver and glue routines for rtl
22555 (df_init, df_add_problem, df_set_blocks, df_finish,
22556 df_hybrid_search_forward, df_hybrid_search_backward,
22557 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22558 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22559 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22560 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22561 df_reg_defined, df_find_use, df_reg_used, df_dump,
22562 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22563 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22564 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22565 debug_df_useno, reset_df_after_reload): New functions.
22566 * df-scan.c: The scanning fuctions, once in df.c, completely
22567 rewritten so that they now fully model the functionality of
22568 register usage at the backend.
22569 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22570 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22571 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22572 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22573 df_get_artificial_defs, df_get_artificial_uses,
22574 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22575 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22576 df_refs_delete, df_reorganize_refs, df_set_state,
22577 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22578 df_def_record_1, df_defs_record, df_uses_record,
22579 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22580 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22581 df_record_exit_block_uses, df_hard_reg_init): New functions.
22583 * df-problems.c: Seven concrete dataflow problems that use the
22584 scanning in df-scan.c and are solved by the engine in df-core.c.
22585 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22586 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22587 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22588 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22589 df_ru_free_bb_info, df_ru_alloc,
22590 df_ru_bb_local_compute_process_def,
22591 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22592 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22593 df_ru_transfer_function, df_ru_free, df_ru_dump,
22594 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22595 df_rd_free_bb_info, df_rd_alloc,
22596 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22597 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22598 df_rd_transfer_function, df_rd_free, df_rd_dump,
22599 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22600 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22601 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22602 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22603 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22604 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22605 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22606 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22607 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22608 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22609 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22610 df_urec_mark_reg_use_for_earlyclobber,
22611 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22612 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22613 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22614 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22615 df_chain_create_bb_process_use, df_chain_create_bb,
22616 df_chain_finalize, df_chain_free, df_chains_dump,
22617 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22618 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22619 df_reg_lifetime): New functions.
22620 * df.c: Deleted file.
22621 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22622 consistent with new df api.
22623 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22624 rest_of_handle_sms): Ditto.
22625 * web.c (unionfind_union, union_defs, entry_register, web_main):
22627 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22628 invariant_expr_equal_p, find_defs, check_dependencies,
22629 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22630 free_inv_motion_data, move_loop_invariants): Ditto.
22631 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22632 Update dependencies.
22633 (odf.c): Added defective entry that was deleted later in day.
22634 * sched-deps.c (sched_analyze_1): Ditto.
22636 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22638 * tree-ssa-operands.c (get_expr_operands): Record addressable
22639 variables directly. Do not call add_stmt_operands for CONST_DECLs
22641 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22642 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22644 2006-01-11 Ben Elliston <bje@au.ibm.com>
22646 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22647 function returns true in the positive case.
22649 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22652 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22653 for SI, DI, SF and DF modes. Add alternatives to copy between
22654 general and floating point registers to the 32-bit patterns.
22655 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22656 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22657 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22658 generating 64-bit code.
22659 * config/pa/pa.c (output_move_double): Handle copies between general
22660 and floating registers.
22662 2006-01-10 Stuart Hastings <stuart@apple.com>
22664 * config/i386/i386.md (set_got): Update.
22665 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22666 (builtin_setjmp_receiver): Mach-O support.
22667 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22668 (GOT_SYMBOL_NAME): Define.
22669 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22670 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22671 * config/i386/i386.c (override_options): Revise for Darwin.
22672 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22673 support. (darwin_x86_file_end): New. (output_set_got): Add label
22674 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22675 * config/i386/i386-protos.h (output_set_got): Likewise.
22676 * config/darwin.c (machopic_legitimize_pic_address): Update
22679 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22681 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22682 when MODE isn't BLKmode.
22684 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22686 PR rtl-optimization/25367
22687 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22689 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22692 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22693 for a negative bound.
22695 2006-01-10 Richard Guenther <rguenther@suse.de>
22697 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22698 Never override with anything constraint.
22700 2006-01-10 Jan Beulich <jbeulich@novell.com>
22702 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22703 256 bits when optimize_size.
22705 2006-01-10 Jan Beulich <jbeulich@novell.com>
22707 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22709 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22710 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22713 2006-01-10 Ben Elliston <bje@au.ibm.com>
22715 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22717 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22718 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22719 (USE_FP_FOR_ARG): Reject decimal float modes.
22720 (function_arg_advance): Likewise.
22721 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22722 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22723 point types in AltiVec vectors.
22724 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22725 (rs6000_libcall_value): Likewise.
22727 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22729 * config/xtensa/ieee754-df.S: New file.
22730 * config/xtensa/ieee754-sf.S: New file.
22731 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22732 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22733 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22735 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22737 * config/sh/predicates.md (binary_float_operator,
22738 binary_logical_operator, commutative_float_operator,
22739 equality_comparison_operator, greater_comparison_operator,
22740 less_comparison_operator, logical_operator,
22741 noncommutative_float_operator, shift_operator,
22742 symbol_ref_operand, unary_float_operator): Remove redundant
22745 2006-01-09 Jeff Law <law@redhat.com>
22747 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22748 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22749 now unused arguments. Callers updated.
22750 (eliminate_redundant_computations): Remove now unused arguments,
22752 (local_fold): Remove, no longer used.
22753 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22755 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22756 (simplify_cond): New function.
22757 (forward_propagate_into_cond): Call simplify_cond.
22759 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22761 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22762 (*vec_extractv2di_1_sse): New.
22764 2006-01-09 Ben Elliston <bje@au.ibm.com>
22766 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22768 2006-01-08 Richard Guenther <rguenther@suse.de>
22770 * tree-ssa-structalias.c (get_constraint_for): Remove
22771 anyoffset argument.
22772 (get_constraint_for_component_ref): Likewise.
22773 (do_deref): Likewise.
22774 (get_constraint_for): Likewise.
22775 (do_structure_copy): Likewise.
22776 (handle_ptr_arith): Likewise.
22777 (find_func_aliases): Likewise. Remove unused need_anyoffset
22780 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22781 Kaz Kojima <kkojima@gcc.gnu.org>
22783 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22784 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22785 (EXTRA_CONSTRAINT_C16): Remove.
22786 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22787 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22788 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22789 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22790 constants of SHmedia. Handle nested constant expressions of
22792 (andcosts): Fix the costs for SHmedia constants.
22793 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22794 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22795 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22796 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22797 (movv4hi_i, movv2si_i): Likewise.
22798 (movsi_const): Adjust the second operand of ior so to match with
22799 the Csu constraint.
22800 (movdi_const, movdi_const_32bit): Likewise.
22801 (movdi_const_16bit+1): Don't sign-extend LOW.
22802 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22804 (*double_shori): Fix the split condition. Use GEN_INT instead
22805 of get_int_mode calls. Mask lower 16-bit of the argument of
22807 (sym2GOTPLT): Remove.
22808 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22810 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22811 instead of EXTRA_CONSTRAINT_C16.
22813 2006-01-07 Ian Lance Taylor <ian@airs.com>
22814 David Edelsohn <edelsohn@gnu.org>
22816 PR rtl-optimization/25662
22817 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22818 for constant operands instead of simplify_gen_binary.
22819 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22820 after trying simplify_binary_operation
22822 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22824 * tree.c (iterative_hash_expr): Hash decls based on UID.
22826 2006-01-06 Eric Christopher <echristo@apple.com>
22828 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22829 (TARGET_UNWIND_EMIT): Fix spelling.
22830 * target.h (gcc_target): Add except_table_label.
22831 * except.c (output_function_exception_table): Use.
22832 * varasm.c (default_emit_except_table_label): New.
22833 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22835 (asm_out): Add here.
22836 * output.h (default_emit_except_table_label): Prototype.
22837 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22838 * config/darwin.c (darwin_emit_except_table_label): Define.
22839 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22841 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22843 PR tree-optimization/18527
22844 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22845 number_of_iterations_special, number_of_iterations_exit):
22846 Move base and step of an iv to a single structure. Add
22847 no_overflow flag, and use it in # of iterations analysis.
22848 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22849 folded_casts argument.
22850 (simple_iv): Pass base and step in a structure. Set no_overflow
22852 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22853 Evaluate expensiveness of computing # of iterations instead of
22854 the final expression.
22855 * tree-scalar-evolution.h (affine_iv): New structure.
22856 (simple_iv): Declaration changed.
22857 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22858 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22859 find_givs_in_stmt): Changed due to simple_iv change.
22861 2006-01-06 Jeff Law <law@redhat.com>
22864 * tree-cfg.c (bsi_replace): Rename final argument from
22865 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22866 change (stmt -> orig_stmt).
22867 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22868 (bsi_remove): Add new argument. Remove EH information
22870 (verify_eh_throw_table_statements): New function.
22871 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22873 * tree-optimize.c (execute_free_cfg_annotations): Verify
22874 the EH throw statement table after removing annotations.
22875 * except.h (verify_eh_throw_table_statements): Prototype.
22876 * tree-flow.h (bsi_remove): Update prototype.
22877 * tree-vrp.c (remove_range_assertions): Add new argument to
22879 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22880 * tree-complex.c (expand_complex_div_wide): Likewise.
22881 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22882 * tree-tailcall.c (eliminate_tailcall): Likewise.
22883 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22884 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22885 * tree-nrv.c (tree_nrv): Likewise.
22886 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22887 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22888 (combine_blocks): Likewise.
22889 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22890 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22891 (cleanup_control_flow): Likewise.
22892 (remove_forwarder_block): Likewise.
22893 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22894 * tree-sra.c (sra_replace): Likewise.
22895 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22896 (forward_propagate_single_use_vars): Likewise.
22897 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22898 * tree-inline.c (expand_call_inline): Likewise.
22899 * tree-vect-transform.c (vect_transform_loop): Likewise.
22900 * tree-outof-ssa.c (rewrite_trees): Likewise.
22901 * tree-cfg.c (make_goto_expr_edges): Likewise.
22902 (cleanup_dead_labels): Likewise.
22903 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22904 (bsi_move_before, bsi_move_after): Likewise.
22905 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22906 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22908 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22911 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22913 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22914 on non gimple variables. Also add checks at the top for decls and
22916 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22918 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22919 and IMAGPART_EXPR for creating MUST_DEFs.
22920 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22921 and NAME_MEMORY_TAG separately from the DECLs.
22923 2006-01-06 Richard Guenther <rguenther@suse.de>
22925 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22926 annotation, if necessary.
22927 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22928 redundant calls to update_stmt.
22929 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22932 2006-01-05 Richard Henderson <rth@redhat.com>
22934 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22936 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22938 * c-typeck.c: Update copyright date.
22940 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22942 * c-typeck.c (build_c_cast): Always warn when casting
22943 from a pointer to an integer of different size, even if
22944 the node was constant.
22946 2006-01-05 Richard Guenther <rguenther@suse.de>
22948 PR tree-optimization/22555
22949 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22950 if one structure field is an array.
22951 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22952 operands even if we found a subvar, but ignore VOPs in this
22954 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22956 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22958 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22960 PR middle-end/24998
22961 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22963 2006-01-05 Richard Guenther <rguenther@suse.de>
22964 Diego Novillo <dnovillo@redhat.com>
22966 * tree-pass.h (TODO_remove_unused_locals): Define.
22967 * gimple-low.c (expand_var_p, remove_useless_vars,
22968 pass_remove_useless_vars): Remove. Update all users.
22969 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22970 (remove_unused_locals): New function.
22971 * tree-flow.h (remove_unused_locals): Declare.
22972 * passes.c (execute_todo): Call remove_unused_locals if
22973 TODO_remove_unused_locals is set.
22974 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22975 * tree-ssa-dce.c (pass_dce): Likewise.
22976 * tree-outof-ssa.c (pass_del_ssa): Likewise.
22978 2006-01-05 Richard Guenther <rguenther@suse.de>
22980 * tree-flow.h (struct fieldoff): Decompose field to
22981 type, size and decl.
22982 * tree-ssa-alias.c (create_sft): Take type as parameter.
22983 (create_overlap_variables_for): Store type, size and decl
22984 in the fieldoff structure.
22985 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
22986 of struct fieldoff.
22987 (push_fields_onto_fieldstack): Likewise.
22988 (create_variable_info_for): Likewise. Use offset for the
22989 SFT name if the decl is not available.
22991 2006-01-04 Paul Brook <paul@codesourcery.com>
22993 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
22995 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
22997 * lambda-code.c (can_put_in_inner_loop): Relax
22999 (can_put_after_inner_loop): New function.
23000 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23001 (perfect_nestify): Change to make copies and modify uses.
23003 2006-01-04 Richard Henderson <rth@redhat.com>
23005 Merge from gomp branch:
23006 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23007 via integer constant.
23008 (pragma_lex): Remove.
23009 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23010 rather than parsing it.
23011 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23012 handle_pragma_extern_prefix): Add %< %> quotes.
23013 (registered_pragmas): New.
23014 (c_register_pragma_1): New.
23015 (c_register_pragma): Use it.
23016 (c_register_pragma_with_expansion): Likewise.
23017 (c_invoke_pragma_handler): New.
23018 (init_pragma): Use cpp_register_deferred_pragma directly for
23020 * c-pragma.h (enum pragma_kind): New.
23021 (pragma_handler): New.
23022 (c_invoke_pragma_handler): Declare.
23023 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23025 * c-common.h (c_common_pch_pragma): Update decl.
23026 * Makefile.in (c-parser.o): Update dependencies.
23027 (GTFILES): Add c-pragma.h.
23028 * c-parser.c (struct c_token): Add pragma_kind.
23029 (struct c_parser): Add in_pragma.
23030 (c_lex_one_token): Always initialize keyword and pragma_kind.
23031 Extract data for CPP_PRAGMA.
23032 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23033 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23034 Don't allow CPP_PRAGMA_EOL if in_pragma.
23035 (c_parser_consume_pragma): New.
23036 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23037 (c_parser_skip_to_end_of_parameter): Likewise.
23038 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23039 (c_parser_skip_to_pragma_eol): New.
23040 (c_parser_external_declaration): Handle CPP_PRAGMA.
23041 (c_parser_compound_statement_nostart): Likewise.
23042 (c_parser_statement_after_labels): Likewise.
23043 (c_parser_pragma): New.
23044 (pragma_lex): Likewise.
23045 (c_parser_pragma_pch_preprocess): New.
23046 (c_parser_new): Merge into ...
23047 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23049 2006-01-04 Jeff Law <law@redhat.com>
23052 * tree-cfg.c (bsi_replace): Remove the original statement
23053 from the EH throw statement table.
23055 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23057 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23058 make the prototype extern "C" and add throw ().
23061 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23062 and pos non-negative and pos + len <= 32.
23063 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23064 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23065 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23068 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23069 as well as sizes not multiple of component size.
23072 * function.c (instantiate_expr): New function.
23073 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23074 walk its DECL_VALUE_EXPR with instantiate_expr.
23076 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23077 DW_OP_deref{,_size} if address isn't going to be added.
23079 2006-01-04 Ben Elliston <bje@au.ibm.com>
23081 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23082 * config/fp-bit.c: Likewise.
23084 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23086 * dominance.c: Add comment about why we use DFS numbering
23089 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23090 Richard Henderson <rth@redhat.com>
23092 Merge from gomp-branch:
23093 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23094 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23096 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23098 PR rtl-optimization/25578
23099 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23100 pass a parameter to simplify_shift_const if changing ASHIFTRT
23103 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23105 * builtins.c (get_builtin_sync_mem): New function.
23106 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23107 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23108 Call get_builtin_sync_mem to generate mem rtx.
23110 2006-01-03 Richard Guenther <rguenther@suse.de>
23113 * stmt.c (add_case_node): Make sure to clear overflow flags
23116 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23118 Merge from gomp-branch.
23119 * config/sparc/sync.md: New file.
23120 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23121 UNSPECV_LDSTUB): New constants.
23122 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23123 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23124 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23127 2006-01-03 Roger Sayle <roger@eyesopen.com>
23129 * combine.c (reg_subword_p): New predicate to test whether the
23130 destination of a set refers to a subword/piece of a register.
23131 (try_combine): Generalize the code to merge the setting of a
23132 pseudo to a constant followed by a set of a subword of that
23133 register to a constant.
23135 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23137 * basic-block.h (control_flow_graph): Change the type of
23138 x_label_to_block_map to VEC(basic_block,gc) *.
23139 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23140 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23142 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23143 VEC(basic_block,heap) *.
23144 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23145 ssa_prop_fini): Adjust the uses of cfg_blocks.
23147 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23149 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23151 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23152 hashing trees instead of a pointer hash.
23153 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23154 compare for MEM_EXPR.
23156 PR rtl-optimization/25130
23157 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23158 when comparing MEMs for GCSE
23160 2006-01-03 Ben Elliston <bje@au.ibm.com>
23162 * targhooks.h (default_decimal_float_supported_p): Declare.
23163 * targhooks.c (default_decimal_float_supported_p): Define.
23164 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23165 `default_decimal_float_supported_p'.
23166 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23168 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23170 * combine.c (apply_distributive_law <SUBREG>): Check
23171 TRULY_NOOP_TRUNCATION.
23173 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23175 * dwarf2out.c (have_switched_text_section): Delete.
23176 (have_multiple_function_sections): New.
23177 (have_location_lists): Make 'bool'.
23178 (add_AT_loc_list): Use 'true' not '1'.
23179 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23180 (output_loc_list): Use have_multiple_function_sections.
23181 (output_ranges): Likewise.
23182 (dwarf2out_begin_function): Set have_multiple_function_sections if
23184 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23185 Check function_section rather than DECL_SECTION_NAME.
23186 (dwarf2out_finish): Use have_multiple_function_sections.
23187 Don't clear have_location_lists.
23189 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23190 Jan Hubicka <jh@suse.cz>
23192 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23193 case of conditional jump jumping to the next instruction.
23194 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23195 cases of conditional jump jumping to the next instruction.
23197 2006-01-02 Jan Hubicka <jh@suse.cz>
23199 * i386.c (*_cost): Add COSTS_N_INSNS.
23200 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23202 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23205 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23207 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23209 * config/arm/arm.c (all_fpus): Fix comment typo.
23210 * config/darwin.c: Likewise.
23211 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23212 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23213 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23215 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23217 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23218 (rs6000_split_compare_and_swapqhi): New.
23219 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23220 (sync_compare_and_swapqhi_internal): New.
23221 * config/rs6000/rs6000-protos.h: Declare.