1 2006-12-20 Ben Elliston <bje@au.ibm.com>
3 * doc/invoke.texi (Optimize Options): Typo fix.
5 2006-12-19 Eric Christopher <echristo@apple.com>
7 * config/darwin.c (machopic_select_section): Rewrite.
8 (darwin_text_section): New.
9 (darwin_rodata_section): Ditto.
10 (darwin_mergeable_string_section): Ditto.
11 (darwin_mergeable_constant_section): Ditto.
12 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
14 2006-12-19 Steve Ellcey <sje@cup.hp.com>
16 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
18 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
21 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
22 (STAGE1_CHECKING_CFLAGS): ... this.
24 2006-12-18 Andrew Pinski <pinskia@gmail.com>
27 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
28 READONLY on __builtin_altivec_mask_for_load instead of adding
31 2006-12-18 Roger Sayle <roger@eyesopen.com>
32 Eric Christopher <echristo@apple.com>
35 * real.c (real_maxval): Correctly handle IBM extended double format.
37 2006-12-19 Jan Hubicka <jh@suse.cz>
39 * expmed.c (expand_mult_const): Force operand to constant.
40 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
41 copy_rtx to arguments.
43 2006-12-19 Ben Elliston <bje@au.ibm.com>
45 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
47 2006-12-19 Ben Elliston <bje@au.ibm.com>
49 * cse.c (cse_insn): Fix formatting.
51 2006-12-18 Geoffrey Keating <geoffk@apple.com>
53 * doc/invoke.texi (Debugging Options): Document -g0.
54 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
55 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
57 2006-12-18 Ian Lance Taylor <iant@google.com>
59 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
60 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
63 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
65 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
66 (struct vuse_optype_d): Delete.
67 (SSA_OPERAND_MEMORY_SIZE): Delete.
68 (struct ssa_operand_memory_d): Change mem array to size one.
69 (NUM_VOP_FREE_BUCKETS): Define.
70 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
71 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
72 * tree-pretty-print.c (dump_vops): Use voptype_d type.
73 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
74 which fit into a chunk of memory from a specific bucket.
75 (vop_free_bucket_index): New. Find correct size memory bucket.
76 (init_vop_buckets): New. Initialize VOP free memory buckets.
77 (add_vop_to_freelist): New. Add a VOP to the correct free list.
78 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
79 (init_ssa_operands): Initialize operand memory and free lists.
80 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
81 (ssa_operand_alloc): Use graduated size memory allocation.
82 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
83 INITIALIZE_USE): Remove.
84 (alloc_vop): New. Allocate a virtual operand.
85 (alloc_vdef, alloc_vuse): Delete.
86 (add_def_op, add_use_op): Directly setup pointers.
87 (add_vop): New. Add a virtual operand.
88 (add_vuse_op, add_vdef_op): Call add_vop.
89 (realloc_vop): New. Reallocate a virtual operand.
90 (realloc_vdef, realloc_vuse): Call realloc_vop.
91 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
92 (finalize_ssa_defs): Optimize for common case, remove code based on
93 sorted pointers which was a waste of time.
94 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
95 (finalize_ssa_uses): Update last pointer.
96 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
97 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
98 directly manipulate pointers.
99 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
101 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
103 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
104 determine if memory operand is an indexed address or not.
106 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
108 * cselib.c (struct cselib_val_struct): Make val_rtx its
109 own field, remove the union that contained it.
110 * cselib.c: Update accordingly where necessary.
112 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
114 * cse.c (have_eh_succ_edges): New function.
115 (cse_insn): Don't remove dead EH edges here
116 (cse_extended_basic_block): Do it here.
117 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
118 that we have removed all dead edges.
120 2006-12-17 Matthias Klose <doko@debian.org>
123 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
125 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
127 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
128 (cse_extended_basic_block): When truncating a path while processing
129 it, make sure to clear the visited bit on the basic blocks in the
130 truncated part of the path.
131 (cse_main): Use reverse completion order, not DFS order, to walk
133 (gate_handle_cse): Revert erroneous commit of a counter.
135 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
137 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
138 variables, moved out from cse_insn.
139 (prev_insn): Remove this global variable).
140 (new_basic_block): Don't set it.
141 (cse_insn): Idem. Also, move code to delete unused CC0-setter
142 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
144 (cse_extended_basic_block): ...to here. Do not clear
145 prev_insn_cc0 until after recording equivalences from jumps.
147 2006-12-16 Jan Hubicka <jh@suse.cz>
149 * cgraphunit.c (ipa_passes): Clear current_function_decl.
151 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
153 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
155 2006-12-16 Jan Hubicka <jh@suse.cz>
157 * omp-low.c (expand_omp_parallel): Set function properties.
158 * function.h (struct function): Add curr_properties and last_verified.
159 * passes.c (register_dump_files): Do not set TODO_set_props for the
161 (init_optimization_passes): Set it here; reorder initialization so the
162 dump files appear in more logical order.
163 (last_verified, curr_properties): Kill.
164 (do_per_function): New function.
165 (execute_function_todo): Break out from ...
166 (execute_todo): ... here; handle per-function flags.
167 (clear_last_verified, verify_curr_properties,
168 update_properties_after_pass): New functions.
169 (execute_one_pass): Handle per-function properties.
170 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
171 and current_function_decls are cleared out.
172 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
175 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
178 * c.opt (Wempty-body): New.
179 * doc/invoke.texi (Wempty-body): Document it.
180 (Wextra): Enabled by -Wextra.
181 * c-opts.c (c_common_post_options): Enabled by -Wextra.
182 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
183 * c-parser.c (c_parser_c99_block_statement): Likewise.
185 2006-12-15 Jakub Jelinek <jakub@redhat.com>
188 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
191 2006-12-15 Andrew Pinski <pinski@gmail.com>
194 * tree-inline.c (setup_one_parameter): Gimplify the statement if
195 the variable is not a gimple register variable.
197 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
199 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
201 2006-12-14 Jan Hubicka <jh@suse.cz>
203 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
206 2006-12-14 Richard Guenther <rguenther@suse.de>
208 PR tree-optimization/30197
209 * builtins.c (fold_builtin_cexp): New function to fold cexp
210 to cexpi and exp parts.
211 * tree-ssa-pre.c (try_combine_conversion): Also handle
212 REALPART_EXPR and IMAGPART_EXPR.
214 2006-12-14 Richard Guenther <rguenther@suse.de>
217 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
218 + __complex__ ( 0, y ) to __complex__ ( x, y ).
219 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
221 2006-12-14 Richard Guenther <rguenther@suse.de>
223 PR tree-optimization/30198
224 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
225 Fold IMAGPART_EXPR of cexpi to sin.
227 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
228 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
230 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
231 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
233 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
234 (spu_builtin_mask_for_load): New.
235 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
236 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
237 (vec_realign_load_<mode>, spu_lvsr): New.
239 2006-12-13 Ian Lance Taylor <iant@google.com>
243 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
244 to warn_about_parentheses in c-common.c.
245 * c-common.c (warn_about_parentheses): New function.
246 * c-common.h (warn_about_parentheses): Declare.
247 * doc/invoke.texi (Warning Options): Update -Wparentheses
250 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
252 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
254 (constant_multiple_of): Fix order of operators for division.
255 (aff_combination_const, aff_combination_elt, aff_combination_scale,
256 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
257 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
258 aff_combination_to_tree): Moved to tree-affine.c and made to work with
259 double_int coefficients.
260 (get_computation_aff, get_computation_at): Work with double_int
262 (get_computation_cost_at): Do not use divide.
263 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
264 Assert that expressing the computation did not fail.
265 * tree-ssa-address.c: Include tree-affine.h.
266 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
267 create_mem_ref): Work with double_int coefficients.
268 * tree-affine.c: New file.
269 * tree-affine.h: New file.
270 * tree-flow.h (struct affine_tree_combination): Removed.
271 * Makefile.in (tree-affine.o): Add.
272 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
275 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
279 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
280 the offset == 0 "then" clauses.
281 * config/rs6000/predicates.md (gpc_reg_operand): Check for
284 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
286 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
287 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
288 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
289 (FRAME_POINTER_REGNUM): Update register number to 20.
290 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
291 (HI_REGISTER_NAMES): Remove "dirflag".
293 * config/i386/i386.c (regclass_map): Remove dirflag entry.
294 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
296 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
298 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
299 (sse_prologue_save, *sse_prologue_save_insn): Renumber
300 hardcoded SSE register numbers.
302 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
303 hardcoded MMX register numbers.
306 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
308 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
309 FLDMX. Rename function to...
310 (vfp_output_fldmd): ...this.
311 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
313 (vfp_output_fstmd): ...this.
314 (vfp_emit_fstmx): Don't leave space in the frame layout for the
315 FSTMX format word. Rename function to...
316 (vfp_emit_fstmd): ...this.
317 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
319 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
320 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
321 word. Also emit "vsave" assembler directives in such cases rather
323 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
324 gnu_Unwind_Save_VFP): Adjust comments.
325 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
326 for saving and restoring using FSTMD and FLDMD rather than
328 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
329 New functions for saving and restoring the VFPv3 registers 16 .. 31.
330 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
331 compilation case to correctly handle unwind opcode 0xc8 when using
333 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
334 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
335 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
336 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
338 (restore_non_core_regs): Restore registers using FLDMD rather than
339 FLDMX if required. Also handle restoration of VFPv3 registers.
340 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
341 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
342 including cases where the caller specifies a range of registers
343 that overlaps the d15/d16 boundary.
345 2006-12-13 Diego Novillo <dnovillo@redhat.com>
348 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
349 accomodate 511 operands.
351 2006-12-13 Richard Guenther <rguenther@suse.de>
353 * builtins.c (expand_builtin_cexpi): Fix typo.
355 2006-12-13 Jan Hubicka <jh@suse.cz>
357 * Makefile.in: Add dependencies.
358 * tree-pretty-print.c: Include value-prof.h
359 (dump_generic_bb_buff): Dump histograms
360 * value-prof.c: Include pointer-set.h
361 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
362 set_histogram_value, gimple_histogram_value,
363 gimple_add_histogram_value, gimple_remove_histogram_value,
364 gimple_histogram_value_of_type, dump_histogram_value,
365 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
366 gimple_duplicate_stmt_histograms, visit_hist,
367 verify_histograms): New functions.
368 (tree_value_profile_transformations): Update for new histogram API.
369 (tree_divmod_fixed_value): Update for new histogram API.
370 (tree_divmod_fixed_value_transform): Update for new histogram API.
371 (tree_mod_pow2): Update for new histogram API.
372 (tree_mod_pow2_value_transform): Update for new histogram API.
373 (tree_mod_subtract): Update for new histogram API.
374 (tree_mod_subtract_transform): Update for new histogram API.
375 (tree_stringops_transform): Update for new histogram API.
376 (tree_divmod_values_to_profile): Update for new histogram API.
377 (tree_stringops_values_to_profile): Update for new histogram API.
378 (tree_find_values_to_profile): Update for new histogram API.
379 * value-prof.h (gimple_histogram_value): Declare.
380 (gimple_histogram_value_of_type): Declare.
381 (gimple_add_histogram_value): Declare.
382 (gimple_remove_histogram_value): Declare.
383 (dump_histograms_for_stmt): Declare.
384 (gimple_remove_histogram_value): Declare.
385 (gimple_remove_stmt_histograms): Declare.
386 (gimple_duplicate_stmt_histograms): Declare.
387 (verify_histograms): Declare.
389 (struct funrction): Add value_histograms hash.
390 (VALUE_HISTOGRAMS): New macro.
391 * profile.c (compute_value_histograms): update for new API.
392 * tree-inline.c: Include value-prof.h
393 (copy_bb): Update histograms.
394 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
395 reorder to get smaller memory layout.
396 * tree-cfg.c: Include value-prof.h
397 (bsi_remove): Update histograms.
398 (bsi_replace): Update histograms.
399 (verify_stmts): Call histogram verifier.
400 (tree_duplicate_bb): Update histograms.
401 (move_block_to_fn): Update histograms.
403 2006-12-13 Richard Guenther <rguenther@suse.de>
405 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
407 (cgraph_decide_inlining): Likewise.
409 2006-12-13 Richard Guenther <rguenther@suse.de>
411 PR tree-optimization/17687
412 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
413 New builtins for imaginary argument cexp.
414 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
415 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
416 New required builtin types.
417 * builtins.c (expand_builtin_cexpi): Declare.
418 (mathfn_built_in): Handle BUILT_IN_CEXPI.
419 (expand_builtin_cexpi): New static helper.
420 (expand_builtin): Call it.
421 (do_mpfr_sincos): Adjust for CEXPI evaluation.
422 (fold_builtin_sincos): New function to fold sincos to cepxi.
424 2006-12-13 Richard Guenther <rguenther@suse.de>
426 * ipa-reference.c (scan_for_static_refs): Also scan
427 tcc_comparison class trees.
429 2006-12-12 David Daney <ddaney@avtrex.com>
431 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
434 2006-12-12 Andrew Pinski <pinskia@gmail.com>
436 * tree-vect-transform.c (vect_permute_load_chain):
437 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
440 2006-12-13 Sa Liu <saliu@de.ibm.com>
441 Ben Elliston <bje@au.ibm.com>
443 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
444 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
445 * config/spu/spu-protos.h (spu_c_common_override_options):
447 * config/spu/spu-c.c (spu_c_common_override_options): New.
448 * config/spu/spu.c (spu_override_options): Whitespace fix.
450 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
452 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
454 2006-12-12 Geoffrey Keating <geoffk@apple.com>
456 * mips-tdump.c: Replace CROSS_COMPILE with
457 CROSS_DIRECTORY_STRUCTURE.
458 * mips-tfile.c: Likewise.
460 * configure.ac: Likewise.
461 * cppdefault.c: Likewise.
462 * Makefile.in: Likewise.
463 * config/alpha/osf.h: Likewise.
464 * config/i386/cygwin.h: Likewise.
465 * config/i386/beos-elf.h: Likewise.
466 * config/i386/nto.h: Likewise.
467 * config/fr30/fr30.h: Likewise.
468 * config/svr4.h: Likewise.
469 * config/rs6000/aix.h: Likewise.
470 * config/rs6000/sysv4.h: Likewise.
471 * config/pa/pa64-hpux.h: Likewise.
472 * config/pa/pa-hpux10.h: Likewise.
473 * config/pa/pa-hpux11.h: Likewise.
474 * collect2.c: Likewise.
475 * configure: Regenerate.
477 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
478 actually takes an unsigned HOST_WIDE_INT for its second parameter.
480 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
482 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
483 (spu_encode_section_info): New.
484 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
485 (SYMBOL_FLAG_ALIGN1): New.
487 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
490 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
491 bitmap for EXECUTE_IF_SET_IN_BITMAP.
493 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
496 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
497 (DECL_GIMPLE_REG_P): This.
498 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
500 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
501 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
502 and check for VECTOR_TYPE.
503 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
505 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
507 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
508 and check for VECTOR_TYPE.
509 (gimplify_bind_expr): Likewise.
510 (gimplify_function_tree): Likewise.
511 * expmed.c: Include target.h.
512 (extract_bit_field): For vector mode, try find a better mode first.
513 If that fails use gen_lowpart (for vectors only).
514 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
515 and check for VECTOR_TYPE.
516 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
517 (insert_into_preds_of_block): Likewise.
518 (insert_fake_stores): Create gimple register store_tmps for
520 * tree-sra.c (sra_elt): New field, is_vector_lhs.
521 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
522 are the left hand side, set the element's is_vector_lhs to true.
523 (instantiate_element): For vector types which were on the left
524 hand size, set DECL_GIMPLE_REG_P to false.
525 * tree-nested.c (create_tmp_var_for): Use the renamed
527 * tree-inline.c (declare_return_variable): Use the renamed
528 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
529 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
530 (copy_result_decl_to_var): Likewise.
531 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
532 create a gimple register variable.
533 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
534 vect_inter_* temp variables.
535 * Makefile.in (expmed.o): Update dependencies.
537 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
539 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
540 the offset == 0 "then" clauses.
541 * config/rs6000/predicates.md (gpc_reg_operand): Check for
544 2006-12-12 Marcin Dalecki <martin@dalecki.de>
546 * doc/passes.texi: remove docs about "redundant PHI removal".
547 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
548 remove redundant pass_partition_blocks declaration.
550 2006-12-12 Andrew Macleod <amacleod@redhat.com>
552 PR tree-optimization/30159
553 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
554 functions in case a default_def coalesce is required.
556 2006-12-12 Jakub Jelinek <jakub@redhat.com>
559 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
561 * config/ia64/linux.h (CPP_SPEC): Define.
562 * config/s390/linux.h (CPP_SPEC): Define.
564 2006-12-12 Jim Wilson <wilson@specifix.com>
565 Jakub Jelinek <jakub@redhat.com>
567 PR rtl-optimization/27761
568 * combine.c (try_combine): Don't create a useless garbage SET
569 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
570 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
571 and use it to prevent accidental modification of i1src.
573 2006-12-12 Ira Rosen <irar@il.ibm.com>
575 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
576 for stores with gaps.
577 * tree-vect-transform.c (vect_permute_store_chain): Create
578 interleave_high or interleave_low according to the endianess.
580 2006-12-12 Richard Guenther <rguenther@suse.de>
583 * fold-const.c (fold_read_from_constant_string): Only fold read
584 from constant string if the result type is integer.
586 2006-12-12 Olivier Hainque <hainque@adacore.com>
588 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
590 2006-12-12 Olivier Hainque <hainque@adacore.com>
592 * config/vxlib.c: Extract tls related routines into ...
593 * config/vxlib-tls.c: New file.
594 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
596 2006-12-12 Sa Liu <saliu@de.ibm.com>
597 Ben Elliston <bje@au.ibm.com>
599 * config/spu/spu.opt (mfixed-range): New option.
600 * config/spu/spu.h (spu_fixed_range_string): Declare.
601 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
602 (fix_range): New function.
603 * doc/invoke.texi (SPU Options): Document -mfixed-range.
604 * testsuite/gcc.target/spu/fixed-range.c: New.
605 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
607 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
611 * cgraphunit.c (cgraph_optimize): Remove call to
612 process_pending_assemble_externals.
614 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
616 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
618 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
619 (ia64_hpux_add_extern_decl): Removed.
620 (ia64_hpux_file_end): Likewise.
621 (extern_func_list): Likewise.
622 (extern_func_head): Likewise.
624 * output.h (assemble_external): Update comments.
625 (default_elf_asm_output_external): New.
626 (maybe_assemble_visibility): New.
628 * toplev.c (compile_file): Update comment.
630 * varasm.c (assemble_external): Always put it on
631 pending_assemble_externals.
632 (maybe_assemble_visibility): Make it extern and return int.
633 (default_elf_asm_output_external): New.
635 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
637 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
638 can't handle the pointer arithmetic.
640 2006-12-11 Diego Novillo <dnovillo@redhat.com>
642 * doc/tree-ssa.texi: Update documentation for virtual operands
643 and the use of push_stmt_changes/pop_stmt_changes.
644 * doc/invoke.texi: Remove documentation for params
645 global-var-threshold.
646 Update documentation on max-aliased-vops.
648 * tree-into-ssa.c: Cleanup comments, variables and
649 spacing in various functions.
650 (regs_to_rename): Declare.
651 (mem_syms_to_rename): Declare.
652 (dump_update_ssa): Declare.
653 (debug_update_ssa): Declare.
654 (dump_names_replaced_by): Declare.
655 (debug_names_replaced_by): Declare.
656 (dump_def_blocks): Declare.
657 (debug_def_blocks): Declare.
658 (dump_defs_stack): Declare.
659 (debug_defs_stack): Declare.
660 (dump_currdefs): Declare.
661 (debug_currdefs): Declare.
662 (mark_def_sites): Do not handle virtual operands.
663 (compute_idf): Rename from find_idf. Update users.
664 (register_new_def): Make local. Convert second argument
666 Use BLOCK_DEFS_STACK directly.
667 If pushing a non-register, also push the underlying
669 (rewrite_stmt): Do not handle virtual operands.
670 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
671 dump_currdefs and dump_tree_ssa_stats.
672 (dump_tree_ssa_stats): Also dump REPL_TBL.
673 (replace_use): Remove. Update all users to call SET_USE
675 (rewrite_blocks): Move code to free memory to
677 (mark_def_site_blocks): Move initialization code to
679 (init_ssa_renamer): New.
680 (fini_ssa_renamer): New.
681 (rewrite_into_ssa): Call them.
682 (prepare_block_for_update): Process SSA_OP_ALL_USES first
683 and SSA_OP_ALL_DEFS later. Do not process virtual
685 (dump_update_ssa): Call dump_decl_set.
686 (init_update_ssa): Initialize regs_to_rename and
688 Call init_ssa_renamer.
689 (delete_update_ssa): Call fini_ssa_renamer.
690 Free blocks_with_phis_to_rewrite.
691 (mark_sym_for_renaming): If the variable has
692 sub-variables, also mark them.
693 If the variable belongs to a partition, also mark it.
694 (mark_set_for_renaming): Call mark_sym_for_renaming on
695 every symbol in the set.
696 (switch_virtuals_to_full_rewrite): Call
697 mark_set_for_renaming.
698 (update_ssa): Separate syms_to_rename into regs_to_rename
699 and mem_syms_to_rename.
701 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
702 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
703 (debug_generic_stmt): Likewise.
704 (debug_tree_chain): Likewise.
706 (dump_generic_node): Check for TDF_MEMSYMS.
707 Handle MEMORY_PARTITION_TAG.
708 If the statement references memory and TDF_MEMSYMS is
709 given, call dump_symbols.
710 Indicate default names with (D).
711 (dump_vops): Update for new virtual operator format.
713 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
714 tree_contains_struct.
715 (tree_code_size): Handle MEMORY_PARTITION_TAG.
716 (tree_node_structure): Likewise.
717 (needs_to_live_in_memory): Handle SSA names.
718 * tree.h (MTAG_P): Likewise.
719 (struct tree_memory_partition_tag): Declare.
720 (MPT_SYMBOLS): Define.
721 (union tree_node): Add field 'mpt'.
722 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
723 * tree.def (MEMORY_PARTITION_TAG): Define.
725 * tree-pass.h (TDF_MEMSYMS): Define.
727 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
729 * tree-ssa-alias.c: Include pointer-set.h
730 (struct alias_map_d): Remove fields total_alias_vops,
731 grouped_p and may_aliases. Update all users.
732 (struct mp_info_def): Declare.
733 (mp_info_t): New type.
734 (get_smt_for): Rename from get_tmt_for. Update all
736 (add_may_alias): Add argument ALREADY_ADDED. If given,
737 use it to avoid adding duplicate entries to alias sets.
738 (replace_may_alias): Remove. Update all users.
739 (total_alias_vops_cmp): Remove. Update all users.
740 (group_aliases_into): Remove. Update all users.
741 (tree_pointer_compare): Remove. Update all users.
742 (compact_name_tags): Remove. Update all users.
743 (group_aliases): Remove. Update all users.
744 (mark_non_addressable): Move from tree-flow-inline.h.
745 Remove the symbol from the partition holding it, if
748 (debug_mp_info): New.
750 (create_partition_for): New.
751 (rewrite_alias_set_for): New.
752 (compute_memory_partitions): New.
753 (compute_may_aliases): Call it.
754 (init_alias_info): If computing aliases for the first
755 time, mark every memory symbol for renaming.
756 (have_common_aliases_p): New.
757 (compute_flow_insensitive_aliasing): Call it.
758 (setup_pointers_and_addressables): Do not cache
760 For register promoted symbols, mark their former
761 partition for renaming.
762 (maybe_create_global_var): Only create .GLOBAL_VAR if
763 there are no call-clobbered variables and a mix of pure
764 and non-pure functions were found.
765 (may_alias_p): Tidy comments.
766 (create_tag_raw): Remove unused variable new_type.
767 (dump_alias_info): call dump_memory_partitions.
768 (dump_points_to_info_for): Call dump_decl_set.
769 (may_be_aliased): Tidy comments and formatting.
771 * timevar.def (TV_MEMORY_PARTITIONING): Define.
772 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
773 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
775 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
776 * tree-vect-transform.c (vect_transform_loop): Call
777 mark_set_for_renaming with vect_memsyms_to_rename.
778 * tree-flow-inline.h (zero_imm_uses_p): New.
779 (memory_partition): New.
780 (set_memory_partition): New.
781 (factoring_name_p): New.
782 (symbol_mem_tag): New. Update every function that used
783 to access the annotation directly.
784 (set_symbol_mem_tag): Likewise.
786 * tree-ssa-copy.c (may_propagate_copy): Allow copies
787 between a partition and a symbol as long as the symbol
788 belongs to the partition.
789 (merge_alias_info): Ignore merge requests when memory
790 partitions are involved.
792 * tree-ssa.c (verify_ssa_name): Check that default
793 definitions have empty defining statements.
794 (verify_use): Remove argument IS_VIRTUAL.
795 Don't call verify_ssa_name.
796 (verify_phi_args): Call verify_ssa_name.
797 (verify_flow_insensitive_alias_info): Handle MPTs.
798 (verify_flow_sensitive_alias_info): Likewise.
799 (verify_name_tags): Likewise.
800 (verify_call_clobbering): Likewise.
801 (verify_ssa): Check for VOPs only after aliasing
802 information is available.
803 Check virtuals and real operands separately.
804 Call verify_ssa_name on every operand.
805 (stmt_references_memory_p): Move to tree-ssa-operands.c.
806 (walk_use_def_chains_1): Guard against NULL PHI
809 * tree-ssa-operands.c (stmt_references_memory_p): Move from
812 (dump_memory_partitions): New.
813 (debug_memory_partitions): New.
815 * tree-flow.h (struct var_ann_d): Add field mpt.
816 (struct stmt_ann_d): Add bitfield references_memory.
817 * Makefile.in (tree-ssa-structalias.o): Include
819 (tree-ssa-alias.o): Likewise.
820 * tree-ssa-structalias.c: (update_alias_info): Use
821 STORED_SYMS to determine which variables are being
822 written to by the store operation.
823 * tree-ssa-structalias.h (struct alias_info)
824 <total_alias_vops>: Remove. Update all users.
825 <written_vars>: Change to a pointer set. Update all
827 <dereferenced_ptrs_store>: Likewise.
828 <dereferenced_ptrs_load>: Likewise.
829 (NUM_REFERENCES): Remove. Update all users.
830 (NUM_REFERENCES_CLEAR): Remove. Update all users.
831 (NUM_REFERENCES_INC): Remove. Update all users.
832 (NUM_REFERENCES_SET): Remove. Update all users.
834 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
836 (PARAM_MAX_ALIASED_VOPS): Set to 10.
837 * tree-ssanames.c (make_ssa_name): Initialize
838 SSA_NAME_IS_DEFAULT_DEF to 0.
840 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
842 * tree-ssa-dse.c (aggregate_vardecl_d): New.
843 (dse_global_data): Add aggregate_vardecl field.
844 (dse_possible_dead_store_p): New.
845 Add prev_defvar variable.
846 Allow immediate uses and previous immediate uses to differ
847 if they are setting different parts of the whole.
848 (get_aggregate_vardecl): New.
849 (dse_record_partial_aggregate_store): New.
850 (dse_whole_aggregate_clobbered_p): New.
851 (dse_partial_kill_p): New.
852 (dse_optimize_stmt): Abstract code checking a possible dead store
853 into new function dse_possible_dead_store_p().
854 Call dse_maybe_record_aggregate_store().
855 When checking whether a STMT and its USE_STMT refer to the
856 same memory address, check also for partial kills that clobber
858 Move some variable definitions to the block where they are used.
859 (aggregate_vardecl_hash): New.
860 (aggregate_vardecl_eq): New.
861 (aggregate_vardecl_free): New.
862 (aggregate_whole_store_p): New.
863 (tree_ssa_dse): Initialize and free aggregate_vardecl.
864 Mark which aggregate stores we care about.
866 2006-12-11 Andrew Macleod <amacleod@redhat.com>
868 * tree-ssa-operands.h (struct vuse_element_d): Declare.
869 (vuse_element_t): Declare.
870 (struct vuse_vec_d): Declare.
871 (vuse_vec_p): Declare.
872 (VUSE_VECT_NUM_ELEM): Define.
873 (VUSE_VECT_ELEMENT_NC): Define.
874 (VUSE_ELEMENT_PTR_NC): Define.
875 (VUSE_ELEMENT_VAR_NC): Define.
876 (VUSE_VECT_ELEMENT): Define.
877 (VUSE_ELEMENT_PTR): Define.
878 (VUSE_ELEMENT_VAR): Define.
879 (struct maydef_optype_d) <use_var>: Remove.
882 (struct vuse_optype_d) <kill_var>: Remove.
885 (struct mustdef_optype_d) <kill_var>: Remove.
888 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
889 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
892 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
893 (MAYDEF_OP): Add argument. Use VUSE_OP.
894 (MAYDEF_NUM): Define.
895 (MAYDEF_VECT): Define.
896 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
897 (MUSTDEF_KILL): Use VUSE_OP.
898 (MUSTDEF_NUM): Define.
899 (MUSTDEF_VECT): Define.
900 (realloc_maydef): Declare.
901 (realloc_vuse): Declare.
902 (struct ssa_operand_iterator_d) <vuse_index>: Add.
904 (LOADED_SYMS): Define.
905 (STORED_SYMS): Define.
906 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
907 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
909 * tree-pretty-print.c: Likewise.
910 * tree-ssa-dse.c: Likewise.
911 * tree-flow-inline.h: Likewise.
912 (op_iter_next_mustdef): New.
913 * tree-ssa-operands.c: Likewise.
914 (ALLOC_OPTYPE): Remove.
920 (alloc_mustdef): New.
921 (realloc_maydef): New.
924 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
926 * tree-ssa-operands.c: Remove build_v_must_defs.
927 (init_ssa_operands): Delete build_v_must_defs.
928 (finalize_ssa_v_must_def_ops): Remove.
929 (finalize_ssa_v_must_defs): Remove.
930 (finalize_ssa_stmt_operands): Do not call
931 finalize_ssa_v_must_defs.
932 (start_ssa_stmt_operands): Do not check build_v_must_defs.
933 (append_v_must_def): Delete.
934 (copy_virtual_operands): Do not copy V_MUST_DEFs.
935 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
936 comment. Remove opf_kill_def.
937 (build_ssa_operands): Remove references to v_must_defs.
938 (copy_virtual_operands): Same.
939 (copy_virtual_operands): Same.
940 (fini_ssa_operands): Same.
941 (free_ssa_operands): Same.
942 (add_mustdef_op): Remove.
943 Remove mustdef_optype_p.
944 (alloc_mustdef): Remove.
945 Remove references to V_MUST_DEFs in comment at top of file.
946 (get_expr_operands): Remove opf_kill_def.
947 (opf_kill_def): Remove.
948 (add_virtual_operand): Remove opf_kill_def.
949 (get_indirect_ref_operands): Same.
950 (get_tmr_operands): Same.
952 * tree-vectorizer.c (rename_variables_in_bb): Remove
955 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
957 (check_loop_closed_ssa_stmt): Same.
959 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
961 (verify_ssa): Remove V_MUST_DEFs traces.
962 (verify_ssa): Remove SSA_OP_ALL_KILLS.
964 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
966 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
967 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
969 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
971 (MUSTDEF_OPS): Remove.
972 (SSA_OP_VMUSTDEF): Remove.
973 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
974 (struct mustdef_optype_d): Remove.
975 Remove mustdef_optype_p.
976 (struct stmt_operands_d): Remove mustdef_ops.
977 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
978 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
979 (MUSTDEF_RESULT_PTR): Remove.
980 (MUSTDEF_RESULT): Remove.
981 (MUSTDEF_KILL_PTR): Remove.
982 (MUSTDEF_KILL): Remove.
983 (MUSTDEF_NUM): Remove.
984 (MUSTDEF_VECT): Remove.
985 (SSA_OP_VIRTUAL_KILLS): Remove.
986 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
987 (SSA_OP_VMUSTKILL): Remove.
988 (SSA_OP_ALL_KILLS): Remove.
989 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
991 * tree-flow-inline.h (op_iter_init_def): Remove
992 SSA_OP_VIRTUAL_KILLS.
993 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
995 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
996 SSA_OP_VIRTUAL_KILLS.
998 * tree-ssa-loop-im.c (determine_max_movement): Remove
999 SSA_OP_VIRTUAL_KILLS.
1000 (gather_mem_refs_stmt): Same.
1001 (gather_mem_refs_stmt): Same.
1003 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1004 (perform_tree_ssa_dce): Remove call to
1005 mark_really_necessary_kill_operand_phis.
1007 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1009 (op_iter_next_use): Do not check mustkills.
1010 (op_iter_next_def): Do not check mustdefs.
1011 (op_iter_next_tree): Do not check mustkills or mustdefs.
1012 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1013 (op_iter_next_maymustdef): Do not check mustkills.
1014 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1015 (op_iter_init_mustdef): Remove.
1017 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1020 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1022 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1023 (visit_assignment): Same.
1025 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1027 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1029 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1031 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1032 Remove kill_p variable.
1034 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1035 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1036 (collect_dfa_stats_r): Do not set num_v_must_defs.
1037 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1040 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1043 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1044 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1046 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1049 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1051 PR rtl-optimization/30113
1052 * loop-iv.c (implies_p): Require the mode of the operands to be
1055 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1057 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1058 Rename from create_ssa_artficial_load_stmt. Update all users.
1059 * tree-into-ssa.c (register_new_def): Make static.
1060 * tree.c (is_global_var): Handle SSA_NAMEs.
1061 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1062 that used to call gimple_default_def.
1063 * tree-ssa-operands.c (push_stmt_changes): New.
1064 (pop_stmt_changes): New. Update every pass that modifies
1065 statements to bracket modifications with
1066 push_stmt_changes/pop_stmt_changes.
1067 (discard_stmt_changes): New.
1068 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1069 'tree *' instead of 'tree'. Update all users.
1070 * tree-flow-inline.h (zero_imm_uses_p): New.
1071 (symbol_mem_tag): New. Update every function that used
1072 to access the annotation directly.
1073 (set_symbol_mem_tag): Likewise.
1074 * tree-dfa.c (dump_variable): Always show the escape mask.
1075 (mark_symbols_for_renaming): Rename from
1076 mark_new_vars_to_rename. Update all users.
1077 Only mark to rename naked symbols in real and virtual
1080 2006-12-11 Andreas Schwab <schwab@suse.de>
1082 * varasm.c (elf_record_gcc_switches): Cast second argument of
1083 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1085 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1087 * tree-scalar-evolution.c (scev_const_prop):
1088 * tree-phinodes.c (remove_phi_node): Add argument
1089 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1092 * tree-ssa-dce.c: Remove forward declarations for static
1093 functions. Re-arrange functions bodies as needed.
1094 (find_obviously_necessary_stmts): Never mark PHI nodes as
1095 obviously necessary.
1097 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1099 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1101 2006-12-11 Jan Hubicka <jh@suse.cz>
1103 * value-prof.c (tree_stringops_transform): New.
1104 (tree_value_profile_transformations): Require count to be non-zero;
1105 call stringop transform; reset stmt BSI after BB changed.
1106 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1107 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1108 (tree_stringops_values_to_profile): New.
1109 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1110 * tree.h (build_string_literal): Tidy prototype.
1111 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1113 * builtins.c (validate_arglist, builtin_memset_read_str,
1114 get_pointer_alignment): Export.
1116 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1120 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1122 * config/i386/i386.opt: New target option -mx87regparm.
1124 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1125 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1126 (X87_REGPARM_MAX): Define.
1128 * config/i386/i386.c (override_options): Error out for
1129 -mx87regparm but no 80387 support.
1130 (ix86_attribute_table): Add x87regparm.
1131 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1132 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1133 (ix86_function_x87regparm): New function.
1134 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1136 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1138 (function_arg_advance): Process x87_nregs and x87_regno when
1139 floating point argument is to be passed in 80387 register.
1140 (function_arg): Pass XFmode arguments in 80387 registers for local
1141 functions. Pass SFmode and DFmode arguments to local functions
1142 in 80387 registers when flag_unsafe_math_optimizations is set.
1144 * reg-stack.c (convert_regs_entry): Disable NaN load for
1145 stack registers that are used for argument passing.
1147 * doc/extend.texi: Document x87regparm function attribute.
1148 * doc/invoke.texi: Document -mx87regparm.
1150 2006-12-11 Jan Hubicka <jh@suse.cz>
1152 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1153 * cgraph.c: Update comments.
1154 (cgraph_varpool_hash,
1155 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1156 cgraph_varpool_node_name, cgraph_varpool_node,
1157 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1158 cgraph_variable_initializer_availability): Move to
1159 varpool.c and drop cgraph_ prefixes.
1160 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1161 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1162 move to varpool.c; drop cgraph_ prefix; make static.
1163 (dump_cgraph_varpool_node): Move to varpool.c under name
1165 (dump_varpool, hash_varpool_node, eq_varpool_node,
1166 decide_is_variable_needed): Move to varpool.c
1167 (decl_assembler_name_equal): Move to tree.c.
1168 (availability_names): Rename to ...
1169 (cgraph_availability_names): ... this one.
1170 (dump_cgraph_node): Update.
1171 * cgraph.h: Reorder declarations now in varpool.c
1172 (cgraph_vailablity_names): Declare.
1173 (struct cgraph_varpool_node): Rename to ...
1174 (struct varpool_node): ... this one.
1175 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1176 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1177 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1178 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1179 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1180 cgraph_variable_initializer_availability): Rename to ...
1181 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1182 varpool_first_unanalyzed_node, varpool_node,
1183 varpool_node_for_asm, varpool_mark_needed_node,
1184 varpool_finalize_decl, varpool_enqueue_needed_node,
1185 varpool_assemble_pending_decls, variable_initializer_availability):
1187 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1188 * tree.h (decl_assembler_name_equal): Declare.
1189 * omp-low.c (lower_omp_critical): Update.
1190 * ipa-reference (analyze_variable, static_execute): Likewise.
1191 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1192 * cgraphunit.c: Update comments.
1193 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1194 varpool_assembled_nodes_queue.
1195 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1196 varpool_analyze_pending_decls.
1197 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1198 varpool_remove_unreferenced_decls.
1199 (record_reference): Update.
1200 (cgraph_create_edges): Update.
1201 (record_referneces_in_initializer): New function.
1202 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1203 varpool_assemble_decl; make global.
1204 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1205 varpool_assemble_pending_decls.
1206 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1207 struct cgraph_order_sort, cgraph_output_in_order,
1208 cgraph_function_and_variable_invisibility, cgraph_optimize,
1209 cgraph_increase_alignment): Update.
1210 * dwarf2out.c (decls_for_scope): Likewise.
1211 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1212 * except.c (output_ttype): Likewise.
1213 * varasm.c (mark_decl_referenced): Likewise.
1214 (find_decl_and_mark_referenced, assemble_alias): update.
1215 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1216 * passes.c (rest_of_decl_compilation): Update.
1218 2006-12-11 Ira Rosen <irar@il.ibm.com>
1220 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1221 GIMPLE_STMT_OPERAND.
1222 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1223 (vect_setup_realignment): Likewise.
1225 2006-12-11 Sa Liu <saliu@de.ibm.com>
1226 Ben Elliston <bje@au.ibm.com>
1228 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1229 (ENDFILE_SPEC): Likewise.
1230 * config/spu/spu.opt (mstdmain): New option.
1231 * config/spu/crti.asm: Remove.
1232 * config/spu/crtn.asm: Likewise.
1233 * config/spu/crt0.c: Likewise.
1234 * config/spu/crtend.c: Likewise.
1235 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1237 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1238 * doc/invoke.texi (SPU Options): Document -mstdmain.
1240 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1242 * doc/loop.texi: Document number_of_latch_executions and
1243 number_of_cond_exit_executions.
1244 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1245 chrec_is_positive, number_of_iterations_for_all_loops,
1246 scev_const_prop): Use number_of_latch_executions.
1247 (set_nb_iterations_in_loop): Do not increase the value of the
1248 number of iterations.
1249 (number_of_iterations_in_loop): Renamed to ...
1250 (number_of_latch_executions): ... this.
1251 (number_of_exit_cond_executions): New function.
1252 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1254 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1255 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1256 number_of_latch_executions.
1257 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1258 number_of_exit_cond_executions.
1259 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1260 * cfgloop.h (struct loop): Improve description of the nb_iterations
1263 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1265 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1266 (tree_pointer_compare): Remove.
1268 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1270 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1271 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1272 * tree-loop-linear.c (linear_transform_loops): Ditto.
1273 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1274 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1275 free_numbers_of_iterations_estimates): Ditto.
1276 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1277 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1278 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1279 * modulo-sched.c (sms_schedule): Ditto.
1280 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1281 tree_unroll_loops_completely): Ditto.
1282 * predict.c (predict_loops): Ditto.
1283 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1284 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1285 decide_unrolling_and_peeling): Ditto.
1286 * cfgloopmanip.c (unloop): Use delete_loop.
1287 (place_new_loop): Access larray vector instead of parray.
1288 (create_preheaders, force_single_succ_latches,
1289 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1290 * loop-doloop.c (doloop_optimize_loops): Ditto.
1291 * loop-invariant.c (move_loop_invariants): Ditto.
1292 * tree-cfg.c (replace_uses_by): Ditto.
1293 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1294 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1296 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1298 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1299 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1300 get_loop and get_chrec_loop.
1301 (number_of_iterations_for_all_loops): Use number_of_loops.
1302 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1303 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1304 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1306 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1307 chrec_convert_1): Use get_loop and get_chrec_loop.
1308 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1309 (loop_optimizer_init): Use FOR_EACH_LOOP.
1310 * tree-vectorizer.c (vect_loops_num): Removed.
1311 (vectorize_loops): Store number of loops locally. Use
1312 FOR_EACH_LOOP and get_loop.
1313 * tree-vectorizer.h (vect_loops_num): Removed.
1314 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1315 (find_data_references_in_loop): Do not set parallel_p.
1316 * tree-data-ref.h: Do not declare VEC(loop_p).
1317 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1318 verify_loop_structure): Use FOR_EACH_LOOP.
1319 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1320 (initialize_loops_parallel_p): Removed.
1321 (flow_loops_find): Push the loops into a vector.
1322 (delete_loop): New function.
1323 (cancel_loop): Use delete_loop.
1324 * cfgloop.h: Declare VEC(loop_p).
1325 (struct loop): Remove parallel_p field.
1326 (struct loops): Replace num and parray field by larray vector.
1327 Remove shared_headers field.
1328 (delete_loop): Declare.
1329 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1330 FOR_EACH_LOOP): New.
1331 * doc/loop.tex: Document new accessor functions.
1333 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1335 * common.opt (-ftree-lrs): Remove live range splitting option.
1336 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1337 * opts.c (decode_options): Remove flag_tree_live_range_split.
1338 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1339 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1340 * tree-outof-ssa.c: Remove header files which aren't needed.
1341 (SSANORM_*): Remove flags.
1342 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1343 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1344 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1345 (assign_vars): Use Basevar instead of root_var structure.
1346 (replace_def_variable): Dont do anything if def is replaceable.
1347 (remove_ssa_form): Integrate functional changes.
1348 (rewrite_out_of_ssa): Remove live-range_split option.
1349 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1350 (coalesce_cost): Calculate the cost of a coalesce.
1351 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1352 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1353 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1354 (pop_best_coalesce): Remove the best coalesce from the list.
1355 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1356 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1357 (create_coalesce_list): Create a coalesce list object.
1358 (delete_coalesce_list): Free a coalesce list object.
1359 (find_coalesce_pair): Find matching pair in the coalesce list.
1360 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1361 (add_coalesce): Add a coalesce to the coalesce list.
1362 (compare_pairs): Comparision function to determine pair sorted order.
1363 (num_coalesce_pairs): Number of coalesced pairs.
1364 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1365 Coalesce pair iterator functions.
1366 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1367 (dump_coalesce_list): Show coalesce list.
1368 (ssa_conflicts_new): Create an SSA conflict graph.
1369 (ssa_conflicts_delete): Delete an SSA conflict graph.
1370 (ssa_conflicts_test_p): Test for conflicts.
1371 (ssa_conflicts_add_one): Add a single conflict.
1372 (ssa_conflicts_add): Add a conflict pair.
1373 (ssa_conflicts_merge): Merge conflicts.
1374 (struct live_track_d): Struct for tracking live partitions.
1375 (new_live_track): Create new live_track object.
1376 (delete_live_track): Delete a live_track object.
1377 (live_track_remove_partition): Remove a partition from the live list.
1378 (live_track_add_partition): Add a partition from the live list.
1379 (live_track_clear_var): Take VAR from the live list.
1380 (live_track_live_p): Is var live?
1381 (live_track_process_use): Make var come alive.
1382 (live_track_process_def): Make var go dead, add conflicts.
1383 (live_track_init): Initialize to a live on exit set.
1384 (live_track_clear_base_vars): Clear live partitions.
1385 (build_ssa_conflict_graph): Build a conflict graph.
1386 (print_exprs): Common debug output routine.
1387 (abnormal_corrupt): Output info about a failed coalesce across an
1389 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1390 (create_outofssa_var_map): Create a var map and coalesce list.
1391 (attempt_coalesce): Coalesce a pair.
1392 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1393 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1394 * tree-ssa-live.c: Remove header files which aren't needed.
1395 (var_map_base_init): New. Initialize a basevar list.
1396 (var_map_base_fini): New. Finish a basevar list.
1397 (init_var_map): Initialize new fields.
1398 (delete_var_map): Free new fields.
1399 (var_union): Use renamed fields.
1400 (compact_var_map): Remove.
1401 (partition_to_view_init): Use renamed fields, change order of an if.
1402 (partition_view_fini): Use renamed fields.
1403 (partition_view_normal): Create basevar list if requested.
1404 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1405 (change_partition_var): Use renamed fields.
1406 (create_ssa_var_map): Remove.
1407 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1408 root_var_init): Remove.
1409 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1410 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1411 compare_pairs, num_coalesce_pairs, first_partition_pair,
1412 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1413 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1414 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1415 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1416 (dump_var_map): Use renamed fields.
1417 * tree-ssa-live.h (struct _var_map): Modify fields.
1418 (partition_to_var, version_to_var, var_to_partition): Use renamed
1420 (basevar_index): New. Index of the base variable of a partition.
1421 (num_basevars): New. Number of unique base variables in partition map.
1422 (register_ssa_partition): Use renamed fields.
1423 (struct tree_partition_associator_d): Remove.
1424 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1425 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1426 root_var, root_var_first_partition, root_var_next_partition,
1427 root_var_dump, root_var_delete, root_var_remove_partition,
1428 root_var_find, root_var_compact, root_var_decompact): Remove.
1429 (struct partition_pair, struct coalesce_list_d): Moved to
1431 * tree-ssa-ter.c: Remove header files which aren't needed.
1433 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1435 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1436 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1438 (cse_visited_basic_blocks): New static bitmap.
1439 (cse_end_of_basic_block, cse_basic_block): Remove.
1440 (cse_find_path, cse_dump_path, cse_prescan_path,
1441 cse_extended_basic_block): New static functions.
1442 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1443 basic block boundaries. Don't record jump equivalences here.
1444 Update the CFG after doing in-place replacement of the SET_SRC.
1445 (cse_main): Rewrite. Look for extended basic block headers
1446 and call cse_extended_basic_block on them until all paths that
1447 start at this header are exhausted.
1448 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1449 and correct after cse_main.
1450 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1451 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1452 (pass_cse): Add TODO_verify_flow.
1453 (pass_cse2): Likewise.
1455 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1457 * reload1.c (choose_reload_regs): Don't set byte offset when
1458 resolving subregs of hard regs.
1460 2006-12-09 Zack Weinberg <zackw@panix.com>
1462 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1463 suitable for the language, if set_yydebug is true.
1464 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1465 YYDEBUG or declare yydebug.
1466 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1468 2006-12-09 Jan Hubicka <jh@suse.cz>
1470 * cgraph.c: Update copyright.
1471 * cgraph.h: Likewise
1472 (cgraph_update_pending_function): Remove prototype.
1473 * cgraphunit.c: Update copyright; update overall comment.
1474 (cgraph_assemble_pending_functions): Make local.
1476 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1478 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1480 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1482 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1484 (cpat_const_p, gen_cpat_const): Add.
1485 * config/spu/spu.c (immediate_class): New enum.
1486 (cpat_info, classify_immediate): New.
1487 (print_operand): Use S, D, T instead of F, G, H. Use
1488 classify_immediate. Handle cpat cases.
1489 (spu_split_immediate): Renamed from spu_split_address. Split all
1490 immediates that can be split.
1491 (immediate_load_p): Use classify_immediate.
1492 (spu_legitimate_constant_p): Accept everything except some cases of
1494 (spu_expand_move): Use spu_split_immedate.
1495 (fsmbi_const_p): Use classify_immediate.
1496 (cpat_const_p): New.
1497 (gen_cpat_const: New.
1498 * config/spu/constraints.md (j,k,l): New constraints for cpat
1500 * config/spu/spu.md (unnamed splitter): Change address splitter to
1501 handle all immediates.
1502 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1504 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1507 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1510 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1511 patterns. Correct length of high:DI instruction sequence.
1513 2006-12-08 Mike Stump <mrs@apple.com>
1515 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1516 libgcc with -mmacosx-version-min=10.4.
1517 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1518 G4 for 10.5+ unless doing kernel builds.
1520 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1523 * reg-stack.c (convert_regs_entry): Mark current argument passing
1526 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1527 of float arguments in x87 registers.
1529 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1531 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1533 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1535 * recog.c (mode_dependent_address_p): Identify pre-increment,
1536 pre-decrement, post-increment and post-decrement addressing as always
1537 being mode-dependent.
1538 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1539 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1540 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1541 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1542 PRE_INC and POST_INC checks.
1543 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1544 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1545 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1546 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1547 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1548 PRE_INC, POST_DEC and POST_INC cases.
1549 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1550 Delete POST_INC and PRE_DEC cases.
1551 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1553 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1554 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1556 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1557 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1558 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1559 PRE_INC and PRE_DEC cases.
1560 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1561 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1562 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1563 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1564 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1565 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1566 auto-increment cases.
1567 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1568 auto-increment cases.
1569 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1571 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1573 * Makefile.in: Add new file tree-ssa-ter.c.
1574 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1575 free_temp_expr_table, add_value_to_version_list,
1576 add_value_to_partition_list, remove_value_from_partition_list,
1577 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1578 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1579 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1580 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1582 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1583 (struct value_expr_d): Remove.
1584 (struct temp_expr_table_d): Rename fields, add explicit vector of
1585 replaceable expressions instead of sharing. Change value_expr_p's to
1586 bitmap. Delete free_list.
1587 (new_temp_expr_table): Rename fields, count number of ssa_names in
1589 (free_temp_expr_table): Rename field, free new fields.
1590 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1591 add_info_to_list, remove_value_from_list): Delete.
1592 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1593 (make_dependent_on_partition): New. Set bit in version list, allocating
1594 a bitmap if need be.
1595 (add_to_partition_kill_list): New. Set bit in the partition list,
1596 allocating a bitmap if need be.
1597 (remove_from_partition_kill_list): New. Remove a bit from the
1598 partition list, free the bitmap if it is empty.
1599 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1600 on partitions with only one member.
1601 (is_replaceable_p): New. Split out replaceability check from
1603 (process_replaceable): New. Code split from check_replaceable.
1604 (check_replaceable): Removed.
1605 (finished_with_expr): Renamed from finish_expr.
1606 (kill_expr): Use renamed fields and less parameters.
1607 (kill_virtual_exprs): Less parameters.
1608 (mark_replaceable): Use renamed fields.
1609 (find_replaceable_in_bb): Use renamed fields, cleanup.
1610 (find_replaceable_exprs): Use renamed routines, cleanup.
1611 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1612 (debug_ter): New. Debug routine to dump state.
1614 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1616 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1617 anything involving the GOT.
1618 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1619 (trapping_loads_p): Look inside the pattern of an insn to find the
1621 * config/bfin/bfin.md (attr "type"): Add movcc.
1622 (insn_reservation "alu"): Likewise.
1623 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1625 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1627 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1628 (spu_resolve_overloaded_builtin): Check for non scalar instead
1629 of vector type and check the function call argument type also for
1631 Call build_function_call instead of spu_build_overload_builtin.
1633 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1635 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1636 to the calls of hwint_to_const_double.
1638 2006-12-07 Nick Clifton <nickc@redhat.com>
1640 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1641 elf_record_gcc_switches.
1643 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1645 * expr.c (string_constant): Account for non-zero lower bound arrays.
1647 2006-12-07 Richard Guenther <rguenther@suse.de>
1649 * builtins.c (expand_builtin_pow): Adjust predicates for
1650 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1653 2006-12-07 Jan Hubicka <jh@suse.cz>
1655 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1658 2006-12-07 Jan Hubicka <jh@suse.cz>
1660 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1661 use fold_constant_to_binary; tolerate wrong type constants.
1662 (value_intersect_p): Do just two tests.
1664 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1666 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1667 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1668 lshifthi3): Use it, and fix the order of alternatives.
1670 2006-12-07 Nick Clifton <nickc@redhat.com>
1672 * common.opt (record-gcc-switches): New command line switch.
1673 * target.h (print_switch_type): New enum.
1674 (print_switch_fn_type): New typedef for a function pointer.
1675 (struct gcc_target): Add record_gcc_switches and
1676 record_gcc_switches_section fields.
1677 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1679 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1681 * toplev.c (print_single_switch): Simplify by providing a
1682 pointer to function that will format and output the switch
1684 (print_switch_values): Likewise.
1685 (print_to_asm_out_file): New function.
1686 (print_to_stderr): New function.
1687 (init_asm_output): If flag_record_gcc_switches is set then if
1688 the target supports recording the switches then emit them into
1689 the assembler output file, otherwise tell the user that the
1690 switch is not supported.
1691 * varasm.c (eld_record_gcc_switches): New function. Example
1692 handler for the record_gcc_switches target hook.
1693 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1695 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1696 * doc/invoke.texi (-frecord-gcc-switches): Document.
1698 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1701 * sched-rgn.c (add_block1): Use correct initializer.
1703 2006-12-07 Richard Guenther <rguenther@suse.de>
1705 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1706 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1708 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1711 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1712 not GIMPLE_MODIFY_STMT.
1714 2006-12-06 Jan Hubicka <jh@suse.cz>
1716 * tree-vrp.c (operand_less_p): New.
1717 (compare_values, value_inside_range): Rewrite in terms of
1720 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1722 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1724 (length_immediate): Do not depend on cld type attribute.
1725 (length_address): Ditto.
1728 (cld): Remove insn pattern.
1729 (strmov_singleop): Do not use DIRFLAG_REG.
1730 (*strmovdi_rex_1): Ditto.
1731 (*strmovsi_1): Ditto.
1732 (*strmovsi_rex_1): Ditto.
1733 (*strmovhi_1): Ditto.
1734 (*strmovhi_rex_1): Ditto.
1735 (*strmovqi_1): Ditto.
1736 (*strmovqi_rex_1): Ditto.
1738 (*rep_movdi_rex64): Ditto.
1739 (*rep_movsi): Ditto.
1740 (*rep_movsi_rex64): Ditto.
1741 (*rep_movqi): Ditto.
1742 (*rep_movqi_rex64): Ditto.
1743 (strset_singleop): Ditto.
1744 (*strsetdi_rex_1): Ditto.
1745 (*strsetsi_1): Ditto.
1746 (*strsetsi_rex_1): Ditto.
1747 (*strsethi_1): Ditto.
1748 (*strsethi_rex_1): Ditto.
1749 (*strsetqi_1): Ditto.
1750 (*strsetqi_rex_1): Ditto.
1752 (*rep_stosdi_rex64): Ditto.
1753 (*rep_stossi): Ditto.
1754 (*rep_stossi_rex64): Ditto.
1755 (*rep_stosqi): Ditto.
1756 (*rep_stosqi_rex64): Ditto.
1757 (cmpstrnsi): Do not generate cld insn.
1758 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1759 (*cmpstrnqi_nz_1): Ditto.
1760 (*cmpstrnqi_nz_rex_1): Ditto.
1761 (cmpstrnqi_1): Ditto.
1762 (*cmpstrnqi_1): Ditto.
1763 (*cmpstrnqi_rex_1): Ditto.
1764 (strlenqi_1): Ditto.
1765 (*strlenqi_1): Ditto.
1766 (*strlenqi_rex_1): Ditto.
1768 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1769 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1770 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1772 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1773 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1775 (k6_alux_only_load): Ditto.
1776 (k6_alux_only_store): Ditto.
1778 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1779 Do not emit cld instruction.
1780 (ix86_expand_setmem): Ditto.
1781 (ix86_expand_strlen): Do not emit cld instruction.
1783 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1785 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1788 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1790 * gdbinit.in: Set complaints to 0.
1792 2006-12-06 Jan Hubicka <jh@suse.cz>
1794 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1795 ALONE_MEM_STAT_DECL): New macros.
1796 * bitmap.h: Include statistics.h
1797 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1798 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1799 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1800 * bitmap.c: Include hashtab.h
1801 (bitmap_descriptor): New.
1802 (bitmap_hash): New static variable
1803 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1804 New static functions.
1805 (bitmap_register): New.
1806 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1807 bitmap_obstack_release): Do accounting.
1808 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1810 (bitmap_gc_alloc_stat): Likewise.
1811 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1812 (print_statistics, dump_bitmap_statistics): New functions.
1813 * toplev.c (finalize): Dump bitmap statistics.
1815 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1817 * reload1.c (delete_output_reload): Count occurrences in
1818 CALL_INSN_FUNCTION_USAGE.
1819 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1820 crashing at the end of the list.
1822 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1824 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
1825 Optimize to avoid marking more SMT's as used when they aren't.
1827 2006-12-05 Eric Christopher <echristo@apple.com>
1829 * config/i386/i386.c (x86_output_aligned_bss): Move out
1830 of COMMON_ASM_OP ifdef.
1832 2006-12-05 Eric Christopher <echristo@apple.com>
1834 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
1835 (STARTFILE_SPEC): Use.
1836 (DARWIN_DYLIB1_SPEC): New.
1837 (DARWIN_CRT1_SPEC): New.
1838 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
1840 * config/i386/darwin.h: Ditto.
1841 * config/rs6000/darwin.h: Ditto.
1843 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
1845 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
1846 * tree-complex.c (pass_lower_complex): Ditto.
1847 * tree-ssa-ccp.c (pass_ccp): Ditto.
1848 (pass_store_ccp): Ditto.
1849 * tree-ssa-dom.c (pass_dominator): Ditto.
1850 (pass_phi_only_cprop): Ditto.
1851 * tree-sra.c (pass_sra): Ditto.
1852 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1853 * tree-flow.h (updating_used_alone): Remove.
1854 (updating_used_alone): Ditto.
1855 * tree-ssa-alias.c (updating_used_alone): Remove variable.
1856 (lhs_may_store_to): Remove function.
1857 (recalculate_used_alone): Ditto.
1858 (compute_may_aliases): Remove used_alone calculation.
1859 * tree.h (struct tree_memory_tag): Remove is_used_alone and
1860 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
1861 * tree-pass.h (PROP_smt_usage): Remove.
1862 * passes.c (execute_todo): Remove used alone recalculation.
1863 (execute_one_pass): Ditto.
1864 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
1867 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
1869 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
1871 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
1873 PR tree-optimization/14784
1874 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
1876 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
1878 Merge from gimple-tuples-branch.
1880 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1882 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
1884 (s390_gimplify_va_arg): Same.
1885 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
1886 * config/sh/sh.c (sh_va_start): Same.
1887 (sh_gimplify_va_arg_expr): Same.
1888 * config/xtensa/xtensa.c (xtensa_va_start): Same.
1889 (xtensa_gimplify_va_arg_expr): Same.
1890 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
1891 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
1892 * config/mips/mips.c (mips_va_start): Same.
1893 (mips_gimplify_va_arg_expr): Same.
1895 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1897 * Merge from mainline at revision 119445.
1899 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1901 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
1903 (spu_gimplify_va_arg_expr): Same.
1905 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1907 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1908 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1909 (xstormy16_expand_builtin_va_arg): Same.
1911 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1913 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
1914 to GIMPLE_MODIFY_STMT.
1916 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
1918 * config/alpha/alpha.c (va_list_skip_additions): Change all
1919 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
1920 (alpha_va_start): Same.
1921 (alpha_gimplify_va_arg_1): Same.
1922 (alpha_gimplify_va_arg): Same.
1924 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1926 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
1928 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
1930 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
1931 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
1933 * tree-complex.c: Same.
1934 * tree-pretty-print.c: Same.
1938 * fold-const.c: Same.
1939 * tree-ssa-dom.c: Same.
1940 * tree-ssa-propagate.c: Same.
1941 * tree-ssa-alias.c: Same.
1942 * gimple-low.c: Same.
1943 * dwarf2out.c: Same.
1944 * c-pretty-print.c: Same.
1946 * tree-inline.c: Same.
1947 * tree-outof-ssa.c: Same.
1948 * tree-ssa-structalias.c: Same.
1949 * tree-ssa-reassoc.c: Same.
1952 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
1954 * tree.c (build2_stat): Fix comment.
1956 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
1958 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
1959 TREE_OPERAND when appropriate.
1961 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
1963 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
1964 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
1965 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
1966 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
1967 not handle GIMPLE_MODIFY_STMT in the switch statement.
1968 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
1969 (java_gimplify_new_array_init): Same.
1971 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
1973 * gimplify.c (gimplify_omp_for): Allow gimple statements.
1974 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
1975 * fold-const.c (fold_binary): Allow gimple statements.
1977 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
1978 Rename from gfc_conv_descriptor_data_set.
1979 Call gfc_add_modify instead of gfc_add_modify_expr.
1980 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
1981 Rename from gfc_conv_descriptor_data_set.
1982 (gfc_conv_descriptor_data_set): New macro.
1983 (gfc_conv_descriptor_data_set_tuples): New macros.
1984 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
1985 gfc_conv_descriptor_data_set_tuples.
1986 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
1987 Generate GIMPLE_MODIFY_STMT when appropriate.
1988 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
1989 (gfc_add_modify_expr): New macro.
1990 (gfc_add_modify_stmt): New macro.
1991 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
1993 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
1995 * Merge from mainline at revision 118200.
1997 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1999 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2002 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2004 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2006 Also, add __extension__ to GCC versions.
2007 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2008 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2011 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2013 * tree-complex.c (expand_complex_libcall): Adjust for
2015 (expand_complex_comparison): Same.
2016 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2017 GIMPLE_STMT_P statements.
2018 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2020 (tree_mod_pow2_value_transform): Same.
2021 (tree_mod_subtract_transform): Same.
2022 * tree.c (build2_stat): Check for gimplified function in cfun.
2023 * tree.h (DECL_GIMPLIFIED): Delete.
2024 (struct tree_function_decl): Remove gimplified_flag.
2025 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2026 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2027 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2028 (cxx_omp_clause_copy_ctor): Same.
2029 (cxx_omp_clause_assign_op): Same.
2030 * c-pretty-print.c (pp_c_conditional_expression): Same.
2031 (pp_c_expression): Same.
2032 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2033 * function.h (struct function): Add gimplified field.
2034 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2036 (find_phi_replacement_condition): Same.
2037 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2038 (gimplify_modify_expr_to_memset): Same.
2039 (gimplify_init_ctor_eval_range): Same.
2040 (gimplify_modify_expr_complex_part): Same.
2041 (tree_to_gimple_tuple): Same.
2042 (gimplify_modify_expr): Same.
2043 (gimple_push_cleanup): Same.
2044 (gimplify_omp_for): Same.
2045 (gimplify_omp_atomic_pipeline): Same.
2046 (gimplify_omp_atomic_mutex): Same.
2047 (gimplify_expr): Same.
2048 (gimplify_one_sizepos): Same.
2049 (gimplify_function_tree): Same.
2050 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2051 (vect_recog_widen_sum_pattern): Same.
2052 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2053 (vect_create_epilog_for_reduction): Same.
2054 (vectorizable_reduction): Same.
2056 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2058 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2059 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2060 (ifc_temp_var): Same.
2061 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2062 for gimple statements.
2063 (vect_analyze_operations): Same.
2064 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2065 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2066 * lambda-code.c (can_put_in_inner_loop): Same.
2067 (can_put_after_inner_loop): Same.
2068 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2069 (vect_create_data_ref_ptr): Same.
2070 (vect_init_vector): Same.
2071 (vect_get_vec_def_for_operand): Same.
2072 (vect_create_epilog_for_reduction): Same.
2073 (vectorizable_reduction): Same.
2074 (vectorizable_assignment): Same.
2075 (vectorizable_operation): Same.
2076 (vectorizable_load): Same.
2077 (vectorizable_condition): Same.
2078 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2079 (rs6000_gimplify_va_arg): Same.
2081 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2083 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2084 GIMPLE_STMT_OPERAND.
2085 (simplify_abs_using_ranges): Same.
2086 * tree-complex.c (expand_complex_operations_1): Use
2087 PROTECTED_TREE_OPERAND.
2088 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2090 (get_val_for): Use GIMPLE_STMT_OPERAND.
2091 * tree-tailcall.c (adjust_accumulator_values): Same.
2092 (adjust_return_value): Same.
2093 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2094 case. Remove special case for tcc_gimple_stmt.
2095 * tree.h (CAN_HAVE_LOCATION_P): New.
2096 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2098 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2100 * tree-nrv.c (execute_return_slot_opt): Same.
2101 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2102 * tree-vn.c (set_value_handle): Same.
2103 (get_value_handle): Same.
2104 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2105 * tree-vectorizer.c (find_loop_location): Same.
2106 * c-typeck.c (c_process_expr_stmt): Same.
2107 (c_finish_stmt_expr): Same.
2108 * gimplify.c (should_carry_locus_p): Same.
2109 (tree_to_gimple_tuple): Delete definition and use of unecessary
2110 variable save_tree_block.
2111 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2112 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2113 (realify_fake_stores): Same.
2114 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2116 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2117 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2118 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2119 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2120 (c_parser_statement_after_labels): Same.
2121 (c_parser_paren_condition): Same.
2122 (c_parser_for_statement): Same.
2123 (c_parser_omp_for_loop): Same.
2124 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2125 (linearize_expr_tree): Same.
2126 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2127 * function.c (instantiate_expr): Same.
2129 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2131 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2132 (set_expr_location): Same.
2134 (set_expr_locus): Same.
2135 (expr_filename): Same.
2136 (expr_lineno): Same.
2137 (tree_block): Use GIMPLE_STMT_BLOCK.
2138 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2139 * tree.h (struct gimple_stmt): Remove prev and next.
2140 (GIMPLE_STMT_OPERAND_CHECK): New.
2141 (TREE_TO_GIMPLE_STMT): Delete.
2142 (GIMPLE_STMT_TO_TREE): Delete.
2143 (GIMPLE_STMT_OPERAND): Use union, not cast.
2144 (GIMPLE_STMT_LOCUS): New.
2145 (GIMPLE_STMT_BLOCK): New.
2146 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2148 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2150 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2152 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2154 * tree-tailcall.c (adjust_return_value): Same.
2155 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2156 (copy_node_stat): Change common.base to base.
2157 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2158 Remove GIMPLE_STATEMENT_LIST case.
2159 * tree.h (struct gimple_stmt): Make operands of type tree.
2160 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2161 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2162 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2163 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2164 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2165 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2166 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2167 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2168 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2169 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2170 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2171 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2172 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2173 Change common.base to base.
2174 (GIMPLE_STATEMENT_LIST*): Remove.
2175 (union tree_node): Add base. Remove gimple_statement_list.
2176 Remove pointer from gstmt.
2177 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2178 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2179 * tree-vn.c (vn_compute): Change common.base to base.
2180 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2181 * tree-flow-inline.h (var_ann): Same.
2182 (function_ann): Same.
2184 (mark_non_addressable): Same.
2185 * gimplify.c (tree_to_gimple_tuple): Same.
2186 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2187 * tree-dfa.c (create_var_ann): Change common.base to base.
2188 (create_function_ann): Same.
2189 (create_stmt_ann): Same.
2190 (create_tree_ann): Same.
2191 (collect_dfa_stats_r): Same.
2192 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2193 * tree-ssa-dce.c (NECESSARY): Same.
2194 * tree-ssa.c (delete_tree_ssa): Same.
2195 * tree-optimize.c (execute_free_cfg_annotations): Same.
2196 * tree-flow.h: Same.
2198 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2200 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2201 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2203 * tree.h (struct gimple_stmt): Add prev and next fields.
2204 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2205 (GIMPLE_STATEMENT_LIST_HEAD): New.
2206 (GIMPLE_STATEMENT_LIST_TAIL): New.
2207 (struct gimple_statement_list): New.
2208 (union tree_node): Add gimple_stmt_list and gstmt.
2209 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2210 * tree.def: Add GIMPLE_STATEMENT_LIST.
2212 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2214 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2215 * tree-vrp.c (build_assert_expr_for): Change uses of
2216 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2217 (find_assert_locations): Same.
2218 (remove_range_assertions): Same.
2219 (stmt_interesting_for_vrp): Same.
2220 (vrp_visit_assignment): Same.
2221 (vrp_visit_stmt): Same.
2222 (simplify_cond_using_ranges): Same.
2223 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2225 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2226 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2228 (determine_invariantness_stmt): Same.
2229 (schedule_sm): Same.
2230 (gather_mem_refs_stmt): Same.
2231 * tree-complex.c (init_dont_simulate_again): Same.
2232 (complex_visit_stmt): Same.
2233 (set_component_ssa_name): Same.
2234 (expand_complex_move): Same.
2235 (expand_complex_div_wide): Same.
2236 (expand_complex_comparison): Same.
2237 (expand_complex_operations_1): Same.
2238 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2239 (chain_of_csts_start): Same.
2240 (infer_loop_bounds_from_undefined): Same.
2241 * tree-pretty-print.c (dump_generic_node): Same.
2243 (op_symbol_1): Same.
2244 * tree-ssa-loop-manip.c (create_iv): Same.
2245 * value-prof.c (tree_divmod_fixed_value): Same.
2246 (tree_divmod_fixed_value_transform): Same.
2247 (tree_mod_pow2): Same.
2248 (tree_mod_pow2_value_transform): Same.
2249 (tree_mod_subtract): Same.
2250 (tree_mod_subtract_transform): Same.
2251 (tree_divmod_values_to_profile): Same.
2252 * tree-tailcall.c (process_assignment): Same.
2253 (find_tail_calls): Same.
2254 (adjust_accumulator_values): Same.
2255 (adjust_return_value): Same.
2256 (eliminate_tail_call): Same.
2257 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2258 (make_node_stat): Same.
2259 (copy_node_stat): Handle gimple tuples.
2260 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2261 (tree_node_structure): Handle tcc_gimple_stmt.
2262 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2264 (build2_gimple_stat): New.
2265 (expr_location): New.
2266 (set_expr_location): New.
2267 (expr_has_location): New.
2269 (set_expr_locus): New.
2270 (expr_filename): New.
2272 (walk_tree): Handle tcc_gimple_stmt.
2274 (protected_tree_operand): New.
2275 (protected_tree_type): New.
2276 (tree_code_kind): Add gimple statements.
2277 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2278 (IS_GIMPLE_STMT_CODE_CLASS): New.
2279 (struct tree_base): New.
2280 (struct tree_common): Shrink.
2281 (struct gimple_stmt): New.
2282 (struct gimple_expr): New.
2283 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2284 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2285 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2286 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2287 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2288 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2289 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2290 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2291 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2292 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2293 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2294 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2295 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2296 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2297 Adjust for new `common' layout.
2298 (struct tree_function_decl): Add gimplified_flag.
2299 (DECL_GIMPLIFIED): NEW.
2300 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2301 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2302 EXPR_HAS_LOCATION): Call corresponding function.
2303 (GIMPLE_STMT_CHECK): New.
2304 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2305 (TREE_BLOCK): Call tree_block.
2306 (GIMPLE_STMT_P): New.
2307 (GIMPLE_TUPLE_P): New.
2308 (TREE_TO_GIMPLE_STMT): New.
2309 (GIMPLE_STMT_TO_TREE): New.
2310 (GIMPLE_STMT_OPERAND): New.
2311 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2312 (PROTECTED_TREE_OPERAND): New.
2313 (PROTECTED_TREE_TYPE): New.
2314 (build2_gimple_stat): Protoize.
2315 (build2_gimple): New.
2316 (expr_location): Protoize.
2317 (set_expr_location): Protoize.
2318 (expr_has_location): Protoize.
2319 (expr_locus): Protoize.
2320 (set_expr_locus): Protoize.
2321 (expr_filename): Protoize.
2322 (expr_lineno): Protoize.
2323 (tree_block): Protoize.
2324 (protected_tree_operand): Protoize.
2325 (protected_tree_type): Protoize.
2326 (enum tree_node_kind): Add gimple_stmt_kind.
2327 * c-decl.c (union lang_tree_node): Tuples do not have a
2329 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2330 GIMPLE_MODIFY_STMT and adjust accordingly.
2331 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2332 (interpret_condition_phi): Same.
2333 (pointer_used_p): Same.
2334 (analyze_scalar_evolution_1): Same.
2335 (scev_const_prop): Same.
2336 (interpret_rhs_modify_stmt): Rename from
2337 interpret_rhs_modify_expr.
2338 * builtins.c (std_expand_builtin_va_start): Change uses of
2339 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2340 (std_gimplify_va_arg_expr): Same.
2341 (expand_builtin_va_copy): Same.
2342 (integer_valued_real_p): Same.
2343 * fold-const.c (maybe_lvalue_p): Same.
2345 (tree_expr_nonnegative_p): Same.
2346 (tree_expr_nonzero_p): Same.
2347 * omp-low.c (extract_omp_for_data): Same.
2348 (lower_rec_input_clauses): Same.
2349 (lower_reduction_clauses): Same.
2350 (lower_copyprivate_clauses): Same.
2351 (lower_send_clauses): Same.
2352 (lower_send_shared_vars): Same.
2353 (expand_parallel_call): Same.
2354 (expand_omp_parallel): Same.
2355 (expand_omp_for_generic): Same.
2356 (expand_omp_for_static_nochunk): Same.
2357 (expand_omp_for_static_chunk): Same.
2358 (expand_omp_sections): Same.
2359 (lower_omp_single_copy): Same.
2360 (lower_omp_parallel): Same.
2361 * tree-ssa-dse.c (memory_address_same): Same.
2362 (dse_optimize_stmt): Same.
2363 * ipa-reference.c (scan_for_static_refs): Same.
2364 * tree-gimple.c (is_gimple_reg_rhs): Same.
2365 (get_call_expr_in): Same.
2366 (recalculate_side_effects): Same.
2367 * cgraphunit.c (cgraph_create_edges): Same.
2368 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2369 * tree-ssa-ccp.c (get_default_value): Same.
2370 (likely_value): Same.
2371 (visit_assignment): Same.
2372 (ccp_visit_stmt): Same.
2373 (get_maxval_strlen): Same.
2374 (ccp_fold_builtin): Same.
2375 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2376 (find_givs_in_stmt): Same.
2377 (find_interesting_uses_op): Same.
2378 (find_interesting_uses_stmt): Same.
2379 (rewrite_use_nonlinear_expr): Same.
2380 * ipa-pure-const.c (scan_function): Same.
2381 * tree-stdarg.c (va_list_counter_bump): Same.
2382 (check_all_va_list_escapes): Same.
2383 (execute_optimize_stdarg): Same.
2384 * tree-ssa-math-opts.c (compute_merit): Same.
2385 (insert_reciprocals): Same.
2386 (execute_cse_reciprocals): Same.
2387 * tree-ssa-dom.c (initialize_hash_element): Same.
2388 (simple_iv_increment_p): Same.
2389 (record_equivalences_from_stmt): Same.
2390 (optimize_stmt): Same.
2391 (remove_stmt_or_phi): Same.
2392 (get_rhs_or_phi_arg): Same.
2393 (get_lhs_or_phi_result): Same.
2394 (propagate_rhs_into_lhs): Same.
2395 * tree-nrv.c (tree_nrv): Same.
2396 (execute_return_slot_opt): Same.
2397 * tree-ssa-propagate.c (get_rhs): Same.
2399 (stmt_makes_single_load): Same.
2400 (stmt_makes_single_store): Same.
2401 (replace_vuses_in): Same.
2402 (fold_predicate_in): Same.
2403 (substitute_and_fold): Same.
2404 * tree-ssa-alias.c (compute_call_clobbered): Same.
2405 (recalculate_used_alone): Same.
2406 (count_uses_and_derefs): Same.
2407 (is_escape_site): Same.
2408 (find_used_portions): Same.
2409 * gimple-low.c (lower_stmt): Same.
2410 (block_may_fallthru): Same.
2411 (lower_return_expr): Same.
2412 * tree-ssa-sink.c (is_hidden_global_store): Same.
2413 (statement_sink_location): Same.
2414 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2415 * expr.c (safe_from_p): Same.
2416 (expand_expr_real): Same.
2417 (expand_expr_real_1): Same.
2418 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2419 * predict.c (expr_expected_value): Same.
2420 (strip_builtin_expect): Same.
2421 (apply_return_prediction): Same.
2422 (tree_bb_level_predictions): Same.
2423 (tree_estimate_probability): Same.
2424 * tree-vn.c (vn_compute): Same.
2425 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2426 (remove_stmt_from_eh_region_fn): Same.
2427 (do_return_redirection): Same.
2428 (honor_protect_cleanup_actions): Same.
2429 (lower_try_finally_switch): Same.
2430 (lower_eh_constructs_1): Same.
2431 (tree_could_throw_p): Same.
2432 (verify_eh_throw_stmt_node): Same.
2433 * function.c (gimplify_parameters): Same.
2434 * tree-vectorizer.c (vect_is_simple_use): Same.
2435 (vect_is_simple_reduction): Same.
2436 * ipa-type-escape.c (scan_for_refs): Same.
2437 * tree-if-conv.c (tree_if_conversion): Same.
2438 (tree_if_convert_stmt): Same.
2439 (if_convertible_gimplify_modify_stmt_p): Rename from
2440 if_convertible_modify_expr_p.
2441 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2442 (ifc_temp_var): Same.
2443 (replace_phi_with_cond_modify_stmt): Rename from
2444 replace_phi_with_cond_modify_expr.
2445 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2446 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2447 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2449 * tree-flow-inline.h (var_ann): Same.
2450 (function_ann): Same.
2452 (mark_non_addressable): Same.
2453 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2454 * gimplify.c (tree_to_gimple_tuple): New.
2455 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2456 (gimplify_return_expr): Same.
2457 (gimplify_decl_expr): Same.
2458 (gimplify_self_mod_expr): Same.
2459 (gimplify_cond_expr): Same.
2460 (gimplify_init_constructor): Same.
2461 (gimplify_modify_expr): Same.
2462 (gimplify_expr): Same.
2463 (gimplify_function_tree): Same.
2464 (force_gimple_operand): Same.
2465 * tree-ssa-phiopt.c (conditional_replacement): Same.
2466 (minmax_replacement): Same.
2467 (abs_replacement): Same.
2468 * tree-dfa.c (create_var_ann): Same.
2469 (create_function_ann): Same.
2470 (create_stmt_ann): Same.
2471 (create_tree_ann): Same.
2472 (collect_dfa_stats_r): Same.
2473 * tree-ssa-pre.c (find_or_generate_expression): Same.
2474 (create_expression_by_pieces): Same.
2475 (try_look_through_load): Same.
2476 (insert_fake_stores): Same.
2477 (realify_fake_stores): Same.
2478 (compute_avail): Same.
2481 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2482 Adjust for GIMPLE_MODIFY_STMT.
2483 (NECESSARY): Adjust for new `common' layout.
2484 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2486 * tree-sra.c (sra_walk_modify_stmt): Rename from
2487 sra_walk_modify_expr.
2488 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2489 (generate_copy_inout): Same.
2490 (generate_element_copy): Same.
2491 (generate_element_zero): Same.
2492 (scalarize_copy): Same.
2493 * tree-mudflap.c (mf_decl_cache_locals): Same.
2494 (mf_build_check_statement_for): Same.
2495 (mf_xform_derefs): Same.
2496 * ipa-prop.c (ipa_method_modify_stmt): Same.
2497 * print-tree.c (print_node): Handle gimple tuples.
2498 Add case for tcc_gimple_stmt.
2499 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2501 (copy_prop_visit_assignment): Same.
2502 (copy_prop_visit_stmt): Same.
2503 (init_copy_prop): Same.
2504 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2505 (forward_propagate_into_cond_1): Same.
2506 (find_equivalent_equality_comparison): Same.
2507 (tidy_after_forward_propagate_addr): Same.
2508 (forward_propagate_addr_expr_1): Same.
2509 (simplify_not_neg_expr): Same.
2510 (simplify_switch_expr): Same.
2511 * tree-ssa-dce.c (find_pdom): Same.
2512 (mark_stmt_if_obviously_necessary): Same.
2513 (NECESSARY): Adjust for new `common' layout.
2514 * tree-flow.h: Same.
2515 * tree-vect-patterns.c (widened_name_p): Adjust for
2517 (vect_recog_dot_prod_pattern): Same.
2518 (vect_recog_widen_sum_pattern): Same.
2519 (vect_pattern_recog_1): Same.
2520 * tree-nested.c (init_tmp_var): Same.
2521 (save_tmp_var): Same.
2523 (convert_call_expr): Same.
2524 (finalize_nesting_tree_1): Same.
2525 * tree-ssa.c (verify_ssa): Same.
2526 (delete_tree_ssa): Same.
2527 * lambda-code.c (lbv_to_gcc_expression): Same.
2528 (lle_to_gcc_expression): Same.
2529 (lambda_loopnest_to_gcc_loopnest): Same.
2530 (can_put_in_inner_loop): Same.
2531 (can_convert_to_perfect_nest): Same.
2532 (perfect_nestify): Same.
2533 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2534 * tree-inline.c (copy_body_r): Same.
2535 (setup_one_parameter): Same.
2536 (initialize_inlined_parameters): Same.
2537 (estimate_num_insns_1): Same.
2538 (expand_call_inline): Same.
2539 (gimple_expand_calls_inline): Same.
2540 (copy_tree_r): Same.
2541 * tree-optimize.c (execute_free_cfg_annotations): Same.
2542 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2543 (vect_align_data_ref): Same.
2544 (vect_create_data_ref_ptr): Same.
2545 (vect_init_vector): Same.
2546 (vect_create_epilog_for_reduction): Same.
2547 (vectorizable_reduction): Same.
2548 (vectorizable_assignment): Same.
2549 (vectorizable_operation): Same.
2550 (vectorizable_store): Same.
2551 (vectorizable_load): Same.
2552 (vectorizable_live_operation): Same.
2553 (vectorizable_condition): Same.
2554 (vect_generate_tmps_on_preheader): Same.
2555 (vect_create_cond_for_align_checks): Same.
2556 * tree-object-size.c (collect_object_sizes_for): Same.
2557 (check_for_plus_in_loops_1): Same.
2558 (check_for_plus_in_loops): Same.
2559 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2560 (replace_use_variable): Same.
2561 (check_replaceable): Same.
2562 (rewrite_trees): Same.
2563 (identical_copies_p): Same.
2564 (insert_backedge_copies): Same.
2565 * tree-profile.c (tree_gen_edge_profiler): Same.
2566 * tree-vect-generic.c (expand_vector_operations_1): Same.
2567 * tree-ssa-structalias.c (update_alias_info): Same.
2568 (find_func_aliases): Same.
2569 * tree-cfg.c (factor_computed_gotos): Same.
2571 (make_goto_expr_edges): Same.
2572 (tree_merge_blocks): Same.
2573 (remove_useless_stmts_cond): Same.
2574 (remove_useless_stmts_1): Same.
2575 (tree_find_edge_insert_loc): Same.
2576 (verify_expr): Same.
2577 (gimplify_val): Same.
2578 (verify_gimple_tuples_1): New.
2579 (verify_gimple_tuples): New.
2580 (verify_stmts): Call verify_gimple_tuples.
2581 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2582 (get_unary_op): Same.
2583 (linearize_expr): Same.
2584 (get_single_immediate_use): Same.
2585 (negate_value): Same.
2586 (should_break_up_subtract): Same.
2587 (break_up_subtract): Same.
2588 (repropagate_negates): Same.
2589 (break_up_subtract_bb): Same.
2590 (reassociate_bb): Same.
2591 * config/i386/i386.c (ix86_va_start): Same.
2592 (ix86_gimplify_va_arg): Same.
2593 * stmt.c (expand_expr_stmt): Same.
2594 (warn_if_unused_value): Same.
2595 (expand_return): Same.
2596 * tree-ssanames.c (make_ssa_name): Same.
2597 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2598 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2599 (add_virtual_operand): Same.
2600 (get_expr_operands): Same.
2601 (parse_ssa_operands): Same.
2602 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2604 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2606 * config.host: Remove extra blank line.
2608 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2610 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2611 target is also an x86 variant.
2613 2006-12-05 Richard Guenther <rguenther@suse.de>
2615 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2616 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2617 (ix86_builtin_vectorized_function): New function to vectorize
2620 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2622 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2623 ia64_override_options.
2625 2006-12-04 Jan Hubicka <jh@suse.cz>
2627 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2630 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2632 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2633 * config/bfin/bfin.c: Include "timevar.h".
2634 (bfin_flag_schedule_insns2, splitting_for_sched,
2635 bfin_flag_var_tracking): New variables.
2636 (print_operand): Handle '%!'.
2637 (override_options): Disable normal sched2 pass, instead set
2638 bfin_flag_schedule_insns2 for reorg to handle it.
2639 (output_file_start): Likewise for var-tracking.
2640 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2641 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2643 (bfin_reorg): Do second scheduling pass here, and call
2644 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2645 of examining insns directly. If bfin_flag_var_tracking, call
2646 var-tracking pass when done with everything else.
2647 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2648 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2649 (movsi_insn32): New pattern, with two new splits to create it
2650 before the final scheduling pass.
2651 (neghi2): Not a dsp32 insn, rather alu0.
2652 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2653 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2654 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2655 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2656 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2657 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2658 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2659 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2660 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2661 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2662 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2663 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2664 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2665 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2666 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2667 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2668 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2669 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2670 variants instead of ';'.
2671 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2672 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2673 (align8, align16, align24): Now named patterns; also using '%!'.
2676 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2678 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2679 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2681 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2683 * config/spu/spu-protos.c (spu_split_address): Add.
2684 * config/spu/spu.c (spu_split_address): Add.
2685 (print_operand): Handle HIGH.
2686 (spu_legitimate_address): Don't test for aligned CONST.
2687 (spu_expand_mov): Don't split addresses here.
2688 * config/spu/constraints.md (A): Don't test legitimate_const.
2689 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2690 (ceq_di): Use correct predicates.
2692 2006-12-04 Eric Christopher <echristo@apple.com>
2694 * config/darwin.h: Update copyright notice.
2695 * config/i386/darwin.h: Ditto.
2697 2006-12-04 Jan Hubicka <jh@suse.cz>
2699 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2700 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2702 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2704 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2706 * tree-ssa-structalias.c (set_used_smts): Export.
2707 (find_what_p_points_to): Don't call set_used_smts here.
2708 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2710 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2712 * tree-ssa-alias.c (compute_may_aliases):
2713 Compute flow sensitive before flow insensitive.
2714 (compute_flow_sensitive_aliasing): Don't try to add
2715 a symbol memory tag to itself.
2717 * alias.h (alias_set_subset_of): New prototype.
2719 * alias.c (alias_set_subset_of): New function.
2721 * tree-ssa-structalias.c: Update comments.
2722 (struct variable_info): Add finished_solution.
2723 (new_varinfo): Set finished solution to NULL.
2724 (var_escaped_vars): Remove.
2725 (escaped_vars_tree): Remove.
2726 (escaped_vars_id): Remove.
2727 (nonlocal_vars_id): Remove.
2728 (constraint_expr_type): Add INCLUDES.
2729 (graph_size): Removed.
2730 (dump_constraint): Support INCLUDES.
2731 (build_constraint_graph): Ditto.
2732 (collapse_nodes): Add merge_solutions argument.
2733 Don't merge attributes.
2734 (process_unification_queue): Just use collapse_nodes.
2735 (perform_var_substitution): Update call to collapse_nodes.
2736 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2737 (process_constraint): Fix non-field sensitive handling
2739 (get_constraint_for): Use INCLUDES.
2740 (make_constraint_from_anything): Renamed from
2741 make_constraint_from_escaped.
2742 (make_constraint_to_escaped): Removed.
2743 (find_global_initializers): Removed.
2744 (create_variable_info_for): Do not make constraints to escaped
2746 (dump_solution_for_var): Don't print out the equivalent points-to
2747 sets, just use the name of the variable it shares it with.
2748 (intra_create_variable_infos): Use INCLUDES.
2749 Change nonlocal variable sets to anything sets.
2750 (init_base_vars): Remove escaped_vars and nonlocal_var
2752 (find_escape_constraints): Removed.
2753 (delete_points_to_sets): Remove dead code.
2754 (used_smt_calculated): New variable.
2755 (set_used_smts): New function.
2756 (merge_smts_into): New function.
2757 (find_what_p_points_to): Modify to use SMTs.
2758 (create_nonlocal_var): Remove.
2760 * tree-ssa-operands.c (access_can_touch_variable): Remove
2761 reference to nonlocal_all.
2763 * tree-ssa.c (verify_name_tags): Remove.
2765 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2767 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2768 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2770 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2772 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2773 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2774 (add_livein_if_notdef): Delete.
2775 (loe_visit_block): New. Propogate live on entry info for a block into
2776 each predecessor. If it changes, make sure it is visited again.
2777 (live_worklist): Visit every block and update the live on entry info
2778 for preds. Iterate over any that changed.
2779 (set_var_live_on_entry): Populate the live on entry blocks with bits
2780 based on the immediate uses of a var.
2781 (calculate_live_on_entry): Remove.
2782 (calculate_live_on_exit): Calculate live on exit based on the newly
2783 oriented live on entry bits.
2784 (calculate_live_ranges): Build live on entry and exit vectors.
2785 (dump_live_info): Use new orientation of live on entry bitmaps.
2786 (verify_live_on_entry): New. Split out verification code from old
2787 calculate_live_on_entry routine.
2788 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2789 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2790 basic_block instead of for a partition.
2791 (live_merge_and_clear): Add asserts.
2792 (make_live_on_entry): Set partition bit in basic block vector.
2794 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2797 * omp-low.c (expand_omp_for_static_nochunk,
2798 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2802 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2803 parallels if region->exit or region->inner->exit is NULL.
2804 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2806 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2807 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2808 or region->exit is NULL.
2809 (expand_omp_sections): Handle NULL region->cond or region->exit.
2812 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2814 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2815 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2817 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2819 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2820 TYPE_MAX_VALUE for scalar types here but...
2821 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
2822 is attached an error mark, and the return value of the callback
2823 if it is not NULL_TREE.
2825 2006-12-04 Ben Elliston <bje@au.ibm.com>
2827 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
2829 2006-12-03 Eric Christopher <echristo@apple.com>
2832 * config/t-slibgcc-darwin: Pass -install_name.
2833 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
2834 libtool. Only pass through options that the linker recognizes.
2835 (LINK_SPEC): Update comment. Translate options.
2836 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
2837 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
2839 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
2841 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
2843 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
2846 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
2847 operands[1] in insn constraint. Correct type attribute to sselog1.
2849 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
2852 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
2854 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
2855 processor detection.
2857 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
2858 -march=native if there is no -mtune=*.
2860 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
2863 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2865 * doc/install.texi: Update recommended MPFR version. Remove
2866 obsolete reference to cumulative patch.
2868 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
2871 * c-decl.c (store_parm_decls_oldstyle): Robustify.
2873 2006-11-30 Jan Hubicka <jh@suse.cz>
2874 Uros Bizjak <ubizjak@gmail.com>
2876 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
2877 32bit memcpy/memset decriptors.
2878 (decide_alg): With -minline-all-stringops and sizes that are best
2879 to be copied via libcall still work hard enough to pick non-libcall
2882 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
2884 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
2886 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
2887 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
2888 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
2889 config/sh/sh4-300.md, config/spu/spu-builtins.def,
2890 config/spu/spu-c.c, config/spu/spu-modes.def,
2891 config/spu/spu.c, config/spu/spu.md,
2892 config/spu/spu_internals.h, config/spu/vmx2spu.h,
2893 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
2894 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
2895 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
2896 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
2897 spelling conventions.
2899 * config/i386/i386.c: Fix a comment typo.
2901 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2903 * config/spu/spu.c (spu_immediate): Remove trailing comma.
2904 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
2905 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
2906 better optimization.
2907 (floatv4siv4sf2): New.
2908 (fix_truncv4sfv4si2): New.
2909 (floatunsv4siv4sf2): New.
2910 (fixuns_truncv4sfv4si2): New.
2918 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
2919 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
2920 spu_resolve_overloaded_builtin instead of static inline functions.
2922 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
2924 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
2925 type instead of the size of its mode to compute the highest and
2926 lowest possible values. Still check the size of the mode before
2927 flipping the signedness of the comparison.
2929 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2931 * config/spu/predicates.md (spu_mov_operand): Add.
2932 * config/spu/spu.c (spu_expand_extv): Remove unused code.
2933 (print_operand_address, print_operand): Handle addresses containing AND.
2934 (spu_split_load, spu_split_store): Use updated movti pattern.
2935 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
2936 stores in mov patterns for correct operation of reload.
2937 (lq, lq_<mode>, stq, stq_<mode>): Remove.
2939 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2942 * c-common.c (check_main_parameter_types): Check for error_mark_node.
2944 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
2946 * common.opt (ftree-combine-temps): Remove.
2947 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
2948 (coalesce_ssa_name): Don't check for combine-temps.
2949 (coalesce_vars): Remove.
2950 (check_replaceable): Use num_imm_uses.
2951 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
2952 check for combine-temps.
2953 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
2954 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
2955 to register_ssa_partition calls.
2956 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
2957 (init_var_map, delete_var_map): remove refernces to ref_count.
2958 (create_ssa_var_map): Never calculate a ref count.
2959 (type_var_init): Remove.
2960 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
2961 (SSA_VAR_MAP_REF_COUNT): Delete.
2962 (create_ssa_var_map): Change Prototype to have no parameters.
2963 (version_ref_count): Delete.
2964 (register_ssa_partition): Remove 'is_use' paramater and don't set the
2966 (type_var_num, type_var, type_var_first_partition,
2967 type_var_next_partition, type_var_dump, type_var_delete,
2968 type_var_remove_partition, type_var_find, type_var_compact,
2969 type_var_decompact): Remove.
2971 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2973 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
2976 2006-12-01 Richard Guenther <rguenther@suse.de>
2979 * dwarf2out.c (struct pubname_struct): Make name const.
2980 (add_pubtype): Do not xstrdup identifiers.
2982 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
2984 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
2985 multiword accesses are in range.
2987 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
2989 PR tree-optimization/29921
2990 * tree-ssa-ccp.c (canonicalize_float_value): New function.
2991 (set_lattice_value): Use canonicalize_float_value.
2993 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
2995 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
2996 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
2997 (spu_cpu_cpp_builtins): Remove.
2998 (spu_override_options): Don't set warn_main.
2999 (spu_force_reg): Move from spu-c.c.
3000 (spu_check_builtin_parm): Likewise.
3001 (expand_builtin_args): Likewise.
3002 (spu_expand_builtin_1): Likewise.
3003 (spu_expand_builtin): Likewise.
3004 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3005 warn_main and targetm.resolve_overloaded_builtin.
3006 * config/spu/spu-c.c (spu_builtin_range): Remove.
3007 (spu_check_builtin_parm): Remove.
3008 (expand_builtin_args): Remove.
3009 (spu_expand_builtin_1): Remove.
3010 (spu_expand_builtin): Remove.
3011 (spu_cpu_cpp_builtins): Moved from spu.c
3012 (spu_force_reg): Remove.
3014 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3015 David Edelsohn <edelsohn@gnu.org>
3018 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3019 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3020 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3021 HARD_REGNO_NREGS_WITH_PADDING): Define.
3022 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3023 HARD_REGNO_NREGS_WITH_PADDING): Define.
3024 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3025 Use new macros to detect modes with holes; do not look at integer
3027 (subreg_offset_representable_p): Check for and disallow cases
3028 where the modes use different numbers of bits from registers.
3029 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3030 constant for soft-float.
3031 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3033 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3034 in E500 double case.
3035 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3036 (movtf_softfloat): New.
3038 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3040 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3041 simplify_gen_subreg.
3043 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3045 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3046 (COALESCE_HASH_FN): New. Define hash function.
3047 (partition_pair_map_hash): New. Hash value for a partition pair.
3048 (partition_pair_map_eq): New. Equality for hash pairs.
3049 (create_coalesce_list): Create hash table.
3050 (delete_coalesce_list): Free hash table.
3051 (find_partition_pair): Find/create pairs in hash table.
3052 (compare_pairs): Sort pairs in ascending order now.
3053 (num_coalesce_pairs): New. Number of pairs in hash table.
3054 (struct partition_pair_iterator): Iterator struct for pair table.
3055 (first_partition_pair): Iterator function for first pair.
3056 (end_partition_pair_p): Iterator function for end of iteration.
3057 (next_partition_pair): Iterator function for next pair.
3058 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3059 (sort_coalesce_list): Sort pairs from hash table into an array.
3060 (pop_best_coalesce): Take pairs from the array.
3061 (dump_coalesce_list): Update to use hash table or sorted array.
3062 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3063 (struct coalesce_list_d): Add hash table related fields.
3065 2006-11-30 Jan Hubicka <jh@suse.cz>
3068 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3069 memmove/bcopy->memcpy conversion.
3071 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3073 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3074 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3075 Default is the largest alignment supported for 32-bit ELF and
3076 representable on a 32-bit host.
3078 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3080 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3082 2006-11-30 Jan Hubicka <jh@suse.cz>
3084 * tree-ssa-operands.h (struct ssa_operands): New.
3085 * tree-flow-inline.h (gimple_ssa_operands): New function.
3086 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3087 * Makefile.in: Remove gt-tree-ssa-operands.h
3088 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3089 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3090 operand_memory, operand_memory_index, ops_active): Remove statics.
3091 (ALLOC_OPTYPE): Update.
3092 (operand_build_sort_virtual): Update.
3093 (ssa_operands_active): Update.
3094 (init_ssa_operands): Update.
3095 (fini_ssa_operands): Update.
3096 (ssa_operand_alloc): Update.
3097 (INITIALIZE_USE): Update.
3098 (finalize_ssa_use_ops): Update.
3099 (finalize_ssa_v_may_def_ops): Update.
3100 (finalize_ssa_vuse_ops): Update.
3101 (finalize_ssa_v_must_def_ops): Update.
3103 2006-11-30 Richard Guenther <rguenther@suse.de>
3105 * tree-vectorizer.h (vectorizable_function): Export.
3106 * tree-vect-transform.c (vectorizable_function): Likewise.
3107 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3108 type_in to scalar type in recognition of squaring.
3109 Make sure the target can vectorize sqrt in recognition
3110 of sqrt, set type_in to vector type in this case.
3112 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3114 * config/i386/i386.md (R10_REG): New constant.
3115 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3116 (ix86_emit_restore_regs_using_mov): Ditto.
3117 (ix86_expand_call): Ditto.
3118 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3120 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3122 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3123 * alias.c (canon_true_dependence): Update comment.
3125 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3127 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3128 at the end of a diagnostics message.
3130 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3131 until after asserting that it was allocated in the right pool.
3133 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3134 successor edge information as well. Make output of live regs
3135 on exit consistent with live regs on entry.
3137 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3140 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3141 insn patterns for TARGET_80387.
3142 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3143 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3144 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3145 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3146 Generate truncxf<mode>2 insn patterns for strict SSE math.
3148 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3150 * config/i386/i386.md (movsf_1): Enable pattern for standard
3151 80387 constants before reload when optimizing for size.
3152 (*movdf_nointeger, *movdf_integer): Ditto.
3153 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3154 80387 constants before reload when not optimizing for size.
3156 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3157 extension of XFmode input operands.
3159 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3161 * config/spu/crt0.c (__dso_handle): Define.
3163 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3165 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3166 when clearing the used flags.
3168 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3170 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3172 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3175 * config/spu/spu.md (extend_compare<mode>): New pattern.
3176 (extend_compare): Change to expand and use the above pattern.
3178 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3180 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3182 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3183 (DFP_INIT_ROUNDMODE): Define.
3184 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3185 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3187 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3189 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3190 Update documentation.
3191 (associate_line_notes_with_blocks): Kill.
3192 (extend_bb): Remove basic block argument, put void instead.
3193 Remove line number handling for each bb.
3194 (save_line_notes): Kill.
3195 (restore_line_notes): Kill.
3196 (sched_init): Remove line_note_head initialization.
3197 Change extend_bb call.
3198 (sched_finish): Remove free of line_note_head.
3199 (add_block): Change extend_bb call.
3200 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3201 rm_line_notes and restore_line_notes calls.
3202 (schedule_ebbs): Remove rm_redundant_line_notes.
3203 * sched-int.h (struct haifa_insn_data): Remove line_note.
3204 (save_line_notes): Remove declaration.
3205 (restore_line_notes): Remove declaration.
3206 * modulo-sched.c (loop_canon_p): Update debug info printing
3207 by using insn locators instead of line note.
3208 (sms_schedule): Update debug info printing, by using insn
3209 locators instead of line note.
3210 * sched-rgn.c (debug_dependencies): Remove handling of case
3211 n>0 (line number), since it's a dead code.
3212 (schedule_region): Remove save_line_notes and
3213 restore_line_notes calls.
3215 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3217 * config/rs6000/predicates.md (gpc_reg_operand): Check
3218 invalid_e500_subreg.
3219 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3220 SImode subregs of SPE vectors.
3221 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3222 * jump.c (true_regnum): Require subregs to satisfy
3223 subreg_offset_representable_p.
3225 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3226 Steven Bosscher <stevenb.gcc@gmail.com>
3228 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3229 since it no longer exists.
3231 2006-11-29 Duncan Sands <baldrick@free.fr>
3233 PR tree-optimization/23744
3234 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3236 2006-11-29 Duncan Sands <baldrick@free.fr>
3238 PR tree-optimization/23744
3239 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3241 2006-11-29 Duncan Sands <baldrick@free.fr>
3243 PR tree-optimization/23744
3244 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3246 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3248 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3250 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3252 * sh.opt (minline-ic_invalidate): New option.
3253 (musermode): Adjust comment.
3254 * sh.c (sh_initialize_trampoline): Emit library call unless
3255 is set; if it is set, don't emit library call if we can use icbi
3257 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3258 icbi for TARGET_SH4_300.
3259 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3260 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3261 -musermode documentation.
3263 2006-11-29 Jim Tison <jtison@us.ibm.com>
3265 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3266 __gthread_recursive_mutex_init): Define.
3268 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3270 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3271 STRICT_ALIGNMENT and the type is more aligned than the saved
3272 registers, copy via a temporary.
3274 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3277 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3280 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3282 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3284 2006-11-28 Jan Hubicka <jh@suse.cz>
3286 Privatize SSA variables into gimple_df.
3287 * tree-flow-inline.h
3288 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3289 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3290 gimple_nonlocal_all): New accessors.
3291 (first_referenced_var): Update.
3292 (mark_stmt_modified): Update.
3293 (is_call_clobbered): Update.
3294 (mark_call_clobbered): Update.
3295 (clear_call_clobbered): Update.
3296 (mark_non_addressable): Update.
3297 * tree-vrp.c (get_value_range): Update.
3298 * tree-into-ssa.c (in_ssa_p): Kill.
3299 (get_default_def_for): Update.
3300 (rewrite_into_ssa): Update.
3301 * tree-complex.c (init_parameter_lattice_values): Update.
3302 (update_complex_assignment): Update.
3303 (update_parameter_components): Update.
3304 (expand_complex_libcall): Update.
3305 (expand_complex_operations_1): Update.
3306 * tree-tailcall.c (arg_needs_copy_p): Update.
3307 (add_virtual_phis): Update.
3308 (tree_optimize_tail_calls_1): Update.
3309 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3310 * tree-ssa-copyrename.c
3311 (copy_rename_partition_coalesce): Update.
3312 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3313 * tree-ssa-propagate.c (set_rhs): Update.
3314 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3315 addressable_vars, global_var):Kill.
3316 (set_initial_properties): Update.
3317 (init_alias_info): Update.
3318 (finalize_ref_all_pointers): Update.
3319 (setup_pointers_and_addressables): Update.
3320 (maybe_create_global_var): Update.
3321 (create_global_var): Update.
3322 (dump_points_to_info): Update.
3323 * function.h (struct gimple_df): Forward declare.
3324 (struct function): Add GIMPLE_DF field.
3325 * gimplify.c (force_gimple_operand): Update.
3326 * tree-dfa.c (referenced_vars, default_defs): KIll.
3327 (make_rename_temp): Update.
3328 (dump_variable): Update.
3329 (referenced_var_lookup): Update.
3330 (referenced_var_check_and_insert): Update.
3331 (default_def): Rename to ...
3332 (gimple_default_def): ... this one; accept cfun argument.
3333 (set_default_def): Update.
3334 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3335 (cleanup_control_flow): Update.
3336 * tree-ssa-pre.c (compute_avail): Update
3337 * tree-ssa-live.c (calculate_live_on_entry): Update.
3338 * tree-ssa.c (verify_use): Update.
3339 (verify_call_clobbering): Update.
3340 (verify_call_clobbering): Update.
3341 (init_tree_ssa): Update.
3342 (delete_tree_ssa): Update.
3343 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3344 (rewrite_out_of_ssa): Update.
3345 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3346 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3348 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3349 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3350 addressable_vars, aliases_computed_p): Kill.
3351 (default_def): Rename to...
3352 (gimple_default_def): ... this one.
3353 (defaule_def_fn): Kill.
3354 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3355 * tree-ssa-structalias.c (nonlocal_all): Kill.
3356 (get_constraint_exp_from_ssa_var): Update.
3357 (create_nonlocal_var): Update.
3358 (get_constraint_for): Update.
3359 (update_alias_info): Update.
3360 (find_global_initializers): Update.
3361 (intra_create_variable_infos): Update.
3362 (intra_create_variable_infos):
3363 (find_what_p_points_to): Update.
3364 (init_alias_heapvars): Update.
3365 * tree-cfg.c (remove_bb): Update.
3366 (gimplify_val): Update.
3367 * tree-ssa-reassoc.c (get_rank): Update.
3368 (init_reassoc): Update.
3369 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3370 (ssa_names, free_ssanames): Kill.
3371 (init_ssanames): Update.
3372 (make_ssa_name): Update.
3373 (release_ssa_name): Update.
3374 (release_defs): Update.
3375 (replace_ssa_name_symbol): Update.
3376 * tree-ssa-operands.c (access_can_touch_variable): Update.
3377 (add_virtual_operand): Update.
3378 (add_call_clobber_ops): Update.
3379 (add_call_read_ops): Update.
3380 (get_call_expr_operands): Update.
3381 (get_asm_expr_operands): Update.
3383 2006-11-28 Jan Hubicka <jh@suse.cz>
3385 * builtins.c: Include tree-flow.h.
3386 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3387 assignment; convert memmove to memcpy for sizes greater than 1 where
3388 alignment of operands prohibit the partial overlap.
3390 2006-11-28 Jan Hubicka <jh@suse.cz>
3392 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3393 * cgraph.c (dump_cgraph_node): Dump stack usage.
3394 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3395 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3396 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3397 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3398 (cgraph_check_inline_limits): Limit stack growth.
3399 * cfgexpand.c: Include tree-inline.h.
3400 (account_stack_vars): New function.
3401 (expand_one_var): New param to just account the stack; return estimated
3403 (expand_used_vars_for_block): Update call of expand_one_var.
3404 (account_used_vars_for_block): New function.
3405 (estimated_stack_frame_size): Likewise.
3406 (init_vars_expansion, fini_vars_expansion): Break out from..
3407 (expand_used_vars): ... here.
3408 * tree-inline.h (estimated_stack_frame_size): Declare.
3409 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3411 2006-11-28 Richard Guenther <rguenther@suse.de>
3413 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3414 unsigned long for printing OBJECT_SIZE.
3416 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3418 * alias.c (init_alias_analysis): Remove simplification loop
3419 after propagating pointers.
3421 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3423 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3426 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3428 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3430 2006-11-27 Roger Sayle <roger@eyesopen.com>
3431 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3433 * c-common.c (constant_fits_type_p): Delete.
3434 (unsigned_conversion_warning): Delete.
3435 (conversion_warning): Integrate Wconversion warning from
3436 unsigned_conversion_warning.
3437 (convert_and_check): Integrate Woverflow warning from
3438 unsigned_conversion_warning. Reorganize and simplify to avoid
3439 dependence upon the middle-end setting TREE_OVERFLOW on integral
3440 conversions, by using int_fits_type_p directly.
3442 2006-11-27 Tobias Burnus <burnus@net-b.de>
3444 * doc/invoke.texi: Fixed typo.
3446 2006-11-27 Michael Matz <matz@suse.de>
3447 Andreas Krebbel <krebbel1@de.ibm.com>
3450 * config/s390/predicates.md (larl_operand): Check addend of larl
3451 operand to be in range of -/+2GB.
3452 * config/s390/s390.c (legitimize_pic_address): Likewise.
3453 Changed type of variable even to HOST_WIDE_INT.
3455 2006-11-27 Jan Hubicka <jh@suse.cz>
3457 * expr.c (emit_block_move_via_libcall): Export.
3458 (clear_storage_via_libcall): Rename to ...
3459 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3460 (clear_storage): Update to set_storage_via_libcall.
3461 * expr.h (emit_block_move_via_libcall): Declare
3462 * config/i386/i386.h (stringop_alg): New enum.
3463 (MAX_STRINGOP_ALGS): New constant.
3464 (stringop_algs): New struct.
3465 (processor_costs): Add memcpy/memset descriptors.
3466 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3467 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3468 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3470 * config/i386/i386.opt (minline-stringops-dynamically,
3471 mstringop-strategy): New
3473 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3474 (ix86_expand-clrmem): Rename to ...
3475 (ix86_expand_setmem): ... this one; update prototype.
3476 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3477 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3478 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3479 nocona_cost, core2_cost, generic_cost, generic64_cost,
3480 generic32_cost): Add memcpy/memset descriptors.
3481 (x86_rep_movl_optimal): Remove.
3482 (stringop_alg): New static variable.
3483 (ix86_expand_aligntest): Handle predictions.
3484 (override_options): Add strgop_alg handling.
3485 (predict_jump): New function.
3486 (scale_counter): New function.
3487 (expand_set_or_movmem_via_loop): New function.
3488 (expand_movmem_via_rep_mov): New function.
3489 (expand_setmem_via_rep_stots): New function.
3490 (emit_strmov): New function.
3491 (expand_movmem_epilogue): New function.
3492 (expand_setmem_epilogue_via_loop): New function.
3493 (expand_setmem_epilogue): New function.
3494 (expand_movmem_prologue): New function.
3495 (expand_setmem_prologue): New function.
3496 (decide_alg): New function.
3497 (decide_alignment): New function.
3498 (ix86_exand_movmem): Rewrite.
3499 (promote_duplicated_reg): New function.
3500 (ix86_expand_clrmem): Rename to ...
3501 (ix86_expand_setmem): ... this one. Rewrite.
3503 * invoke.texi (minline-stringops-dynamically): New command line option.
3504 (mstringop-strategy): Likewise.
3506 2006-11-27 Jan Hubicka <jh@suse.cz>
3508 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3509 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3510 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3511 * insn-notes.def (FUNCTION_END): Remove.
3512 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3513 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3515 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3516 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3517 * cfglayout.c (duplicate_insn_chain): Don't worry about
3520 2006-11-27 Richard Guenther <rguenther@suse.de>
3521 Zdenek Dvorak <dvorakz@suse.cz>
3523 * target.h (struct gcc_target): Add builtin_vectorized_function
3525 * target-def.h (TARGET_VECTORIZE): Likewise.
3526 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3527 Document new target hook.
3528 * targhooks.h (default_builtin_vectorized_function): Declare.
3529 * targhooks.c (default_builtin_vectorized_function): Define.
3530 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3531 (vectorizable_call): Declare.
3532 * tree-vect-analyze.c (vect_analyze_operations): Call
3534 * tree-vect-transform.c (vectorizable_function): New static function.
3535 (build_vectorized_function_call): Likewise.
3536 (vectorizable_call): New function.
3537 (vect_transform_stmt): Handle vectorizable calls.
3539 2006-11-27 Richard Guenther <rguenther@suse.de>
3542 * builtins.c (expand_builtin_pow): Optimize non integer valued
3543 constant exponents using sqrt or cbrt if possible. Always fall back
3544 to expanding via optabs.
3546 2006-11-27 Ira Rosen <irar@il.ibm.com>
3548 PR tree-optimization/22372
3549 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3550 the type of the base address.
3551 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3552 it in the data-ref pointer creation.
3553 (vect_init_vector): Add an argument, type of the init vector. Use it in
3555 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3556 (get_initial_def_for_reduction): Likewise.
3557 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3559 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3560 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3561 correct type in stmt creation.
3562 (vect_setup_realignment): Use the correct type in stmt creation.
3563 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3565 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3566 of MODIFY_EXPR to void_type_node.
3567 (vectorizable_condition): Change type of MODIFY_EXPR to
3569 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3572 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3575 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3576 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3577 standard 80387 constants, raise the cost to prevent
3578 compress_float_constant() to generate load from memory.
3580 * config/i386/i386.md: Add new splitter pattern to split
3581 float_extended load of constant from constant pool into
3584 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3586 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3587 section to general section. Remove documentation for
3588 --with-mpfr-dir and --with-gmp-dir, add documentation for
3589 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3592 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3594 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3596 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3598 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3600 PR tree-optimization/29122
3601 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3602 for the new version. Assign NULL to DECL_RTL of the new version.
3604 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3606 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3608 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3610 * cse.c (cse_altered): Remove.
3611 (record_jump_equiv): Make true/false argument a bool instead
3613 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3614 where appropriate. Emit a new jump before the existing one
3615 instead of after so that delete_insn_and_edges removes the
3616 dead edges properly. Check any_condjump_p before calling
3618 (cse_basic_block): Check any_condjump_p before calling
3620 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3622 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3624 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3625 -ffixed-line-length-* options.
3627 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3629 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3630 (fprem1xf4): Rename to fprem1xf4_i387.
3632 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3633 Rename patterns to fmod<mode>3. Use general_operand operand
3634 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3635 patterns for SSE math.
3636 (remaindersf3, remainderdf3): Ditto.
3638 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3640 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3641 inside start_sequence / end_sequence pair.
3643 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3645 * jump.c (mark_all_labels): Work in cfglayout mode.
3646 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3647 when in cfglayout mode, because there are no dead jumptables
3649 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3651 (commit_edge_insertions): Do not allow insertion of instructions
3652 with control flow insns when in cfglayout mode.
3654 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3656 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3658 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3659 unswitch_loop): Ditto.
3660 * tree-loop-linear.c (linear_transform_loops): Ditto.
3661 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3662 tree_ssa_lim): Ditto.
3663 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3664 free_numbers_of_iterations_estimates): Ditto.
3665 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3666 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3667 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3668 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3669 place_new_loop, duplicate_loop, duplicate_subloops,
3670 update_single_exit_for_duplicated_loops, copy_loops_to,
3671 duplicate_loop_to_header_edge, create_preheaders,
3672 force_single_succ_latches, loop_version, fix_loop_structure):
3674 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3675 tree_unroll_loop): Ditto.
3676 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3677 * tree-scalar-evolution.c (select_loops_exit_conditions,
3678 scev_initialize, scev_analysis): Ditto.
3679 * tree-scalar-evolution.h (scev_initialize): Ditto.
3680 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3681 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3682 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3683 * modulo-sched.c (sms_schedule): Ditto.
3684 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3685 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3686 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3687 * ifcvt.c (if_convert): Ditto.
3688 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3689 canonicalize_loop_induction_variables,
3690 canonicalize_induction_variables,
3691 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3692 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3693 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3694 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3695 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3696 tree_ssa_loop_done): Ditto.
3697 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3698 estimate_bb_frequencies): Ditto.
3699 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3700 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3701 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3702 decide_unrolling_and_peeling, peel_loop_completely,
3703 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3704 peel_loop_simple, unroll_loop_stupid): Ditto.
3705 * loop-doloop.c (doloop_optimize_loops): Ditto.
3706 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3707 * loop-invariant.c (move_loop_invariants): Ditto.
3708 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3709 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3710 tree_ssa_prefetch_arrays): Ditto.
3711 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3713 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3714 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3715 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3716 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3717 verify_loop_structure): Ditto.
3718 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3719 canonicalize_induction_variables, tree_unroll_loops_completely,
3720 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3721 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3722 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3723 tree_unroll_loop, linear_transform_loops): Declaration changed.
3724 * basic-block.h: Remove declaration of struct loops.
3725 * cfghooks.h (struct cfg_hooks): Change type of
3726 cfg_hook_duplicate_loop_to_header_edge.
3727 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3728 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3729 vect_transform_loop): Declaration changed.
3730 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3731 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3732 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3733 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3734 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3735 loopify, loop_version, remove_path, unswitch_loops,
3736 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3737 Declaration changed.
3739 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3741 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3742 (X87MODEF): New mode macro.
3743 (ssemodefsuffix): New mode attribute.
3744 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3745 (sqrt_extend<mode>xf2_i387): New insn pattern.
3746 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3747 insn and truncate result back to original mode using
3748 UNSPEC_TRUNC_NOOP truncation.
3749 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3750 ssemodefsuffix mode attribute.
3751 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3752 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3753 (*sqrtextenddfxf2_i387): Remove insn patterns.
3755 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3756 truncation patterns.
3758 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3760 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3763 * c-tree.h (c_maybe_initialize_eh): New prototype.
3764 * c-decl.c (finish_decl): Move EH initialization...
3765 (c_maybe_initialize_eh): ... here. New function.
3766 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3767 if not #pragma omp atomic.
3770 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3771 or UNION_TYPE inner types.
3773 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3776 * ipa-pure-const.c (check_tree): If the original tree
3777 is volatile return early and say the function is not pure
3778 nor const. Remove the volatile check for writes.
3779 (analyze_function): Print out the result of the local
3782 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3784 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3786 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3787 * config/rs6000/rs6000.c (rs6000_override_options): Use
3788 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3791 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3793 * config/s390.c (s390_emit_compare_and_swap): New function.
3794 (s390_expand_cs_hqi, s390_expand_atomic): Call
3795 s390_emit_compare_and_swap.
3797 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3799 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3801 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3805 * c-common.c (conversion_warning): New.
3806 (convert_and_check): Call conversion_warning unless there is an
3808 * doc/invoke.texi (-Wconversion): Update description.
3810 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3812 * tree-ssa-alias.c (tree_pointer_compare): New function.
3813 (compact_name_tags): New function.
3814 (group_aliases): Call compact_name_tags.
3816 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3818 * real.h (real_isinteger): Declare.
3819 * real.c (real_isinteger): Define.
3820 * builtins.c (integer_valued_real_p): Use it.
3822 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3825 * c.opt (Wtraditional-conversion): New.
3826 (Wconversion): Update description.
3827 * c-typeck.c (convert_arguments): Warnings for prototypes causing
3828 type conversions different from what would happen in the absence
3829 of prototype are now handled by Wtraditional-conversion.
3830 * doc/invoke.texi (Wtraditional-conversion): New.
3831 (Wconversion): Update description.
3832 * doc/trouble.texi (Wconversion): Replace Wconversion by
3833 Wtraditional-conversion.
3835 2006-11-23 Andrew Pinski <pinskia@gmail.com>
3837 * predict.c (tree_estimate_probability): Check to make
3838 sure current_loops is non null before calling flow_loops_dump.
3840 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3842 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
3844 2006-11-23 David Ung <davidu@mips.com>
3846 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
3848 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
3849 (ASM_SPEC): Pass along -mfp32 and -mfp64.
3850 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
3851 high part of FP register when in 64-bit FP register mode. Similarly
3852 use gen_mfhc1 to load high part of FP register.
3853 (override_options): Allow -mgp32 and -mfp64 combination if
3854 ISA_HAS_MXHC1 (currently for O32 only).
3855 (mips_cannot_change_mode_class): If floating-point registers are
3856 bigger than word size. disallow conversion of float register from a
3857 large integer mode to a float mode smaller than the float register
3859 (mips_class_max_nregs): Handle float registers case seperately.
3860 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
3862 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
3863 (movdf_hardfloat_32bit): Similarly.
3864 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
3865 support a full 64-bit fpu.
3866 (mthc1): New pattern to generate MTHC1 instruction.
3867 (mfhc1): New pattern to generate MFHC1 instruction.
3868 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
3869 option for the MIPS32R2 and mention its use under O32 ABI.
3871 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
3873 * var-tracking.c (emit_note_insn_var_location): Take care not to
3874 cause verify_flow_info failures.
3876 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
3878 * tree-ssa-structalias.c: Remove edge weights in favor of just
3879 processing them as complex constraints.
3880 (struct constraint_graph): Remove weighted succs and preds. Rename
3881 nonweighted succs and preds.
3882 (constraint_edge): Removed.
3883 (constraint_edge_t): Ditto.
3884 (constraint_edge_pool): Ditto.
3885 (new_constraint_edge): Ditto.
3886 (constraint_edge_equal): Ditto.
3887 (constraint_edge_less): Ditto.
3888 (constraint_edge_vec_find): Ditto.
3889 (erase_self_graph_edge): Ditto.
3890 (add_graph_edge): Removed.
3891 (get_graph_weights): Ditto.
3892 (allocate_graph_weights): Ditto.
3893 (valid_weighted_graph_edge): Ditto
3894 (bitmap_other_than_zero_bit_set): Ditto.
3895 (int_add_graph_edge): Renamed to add_graph_edge.
3896 (clear_edges_for_node): Remove support for weighted edges.
3897 (merge_graph_nodes): Ditto.
3898 (valid_graph_edge): Ditto.
3899 (build_constraint_graph): Ditto.
3901 (collapse_nodes): Ditto.
3902 (process_unification_queue): Ditto.
3903 (topo_visit): Ditto.
3904 (do_ds_constraint): Ditto.
3905 (perform_var_subsitution): Ditto.
3906 (solve_graph): Ditto.
3907 (init_alias_vars): Ditto.
3908 (delete_points_to_sets): Ditto.
3909 (do_complex_constraint): Support offsetted copies here.
3911 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
3913 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
3915 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
3917 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
3920 2006-11-23 Ben Elliston <bje@au.ibm.com>
3922 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
3924 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
3926 PR tree-optimization/29921
3927 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
3928 signed and unsigned zero equal.
3930 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
3932 * config/rs6000/rs6000.c (get_store_dest): New.
3933 (adjacent_mem_locations): Use get_store_dest() to get
3934 the rtl of the store destination.
3936 2006-11-22 Joseph Myers <joseph@codesourcery.com>
3938 * config/rs6000/spe.md (SPE64): New mode macro.
3939 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
3941 (mov_si<mode>_e500_subreg0_2): New.
3942 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
3944 (mov_si<mode>_e500_subreg4_2): New.
3945 * config/rs6000/predicates.md (input_operand): Do not allow
3946 invalid E500 subregs.
3947 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
3949 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
3950 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
3951 involving vector modes if TARGET_SPE.
3953 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
3956 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3957 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3959 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
3961 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
3962 mem_i_address_operand): New predicates.
3963 * config/bfin/bfin.c (bfin_issue_rate): New function.
3964 (TARGET_SCHED_ISSUE_RATE): New macro.
3965 * config/bfin/bfin.md (addrtype): New attribute.
3966 (slot0, slot1, slot2, store, pregs): New cpu_units.
3967 (core): Now a define_reservation.
3968 (alu): Remove some insn types from this reservation.
3969 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
3971 (dummy reservation): Don't trigger for mcld insns.
3972 (absence_sets): Two new absence sets to enforce slot ordering.
3973 (popsi_insn): Set addrtype.
3975 2006-11-22 Ira Rosen <irar@il.ibm.com>
3977 * doc/c-tree.texi: Document new tree codes.
3978 * doc/md.texi: Document new optabs.
3979 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
3981 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
3982 * optabs.h (optab_index): Add new.
3983 (vec_extract_even_optab, vec_extract_odd_optab,
3984 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
3985 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
3986 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
3988 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
3989 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3990 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
3991 along with macros for their access.
3992 * tree-data-ref.h (first_location_in_loop, data_reference): Update
3994 * tree-vect-analyze.c (toplev.h): Include.
3995 (vect_determine_vectorization_factor): Fix indentation.
3996 (vect_insert_into_interleaving_chain,
3997 vect_update_interleaving_chain, vect_equal_offsets): New functions.
3998 (vect_analyze_data_ref_dependence): Add argument for interleaving
3999 check. Check for interleaving if it's true.
4000 (vect_check_dependences): New function.
4001 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4002 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4003 (vect_update_misalignment_for_peel): Update for interleaving.
4004 (vect_verify_datarefs_alignment): Check only first data-ref for
4006 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4007 only first data-ref for interleaving.
4008 (vect_analyze_data_ref_access): Check interleaving, update
4010 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4011 with different parameters.
4012 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4013 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4014 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4015 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4016 Update step in case of interleaving.
4017 (vect_strided_store_supported, vect_permute_store_chain): New
4019 (vectorizable_store): Handle strided stores.
4020 (vect_strided_load_supported, vect_permute_load_chain,
4021 vect_transform_strided_load): New functions.
4022 (vectorizable_load): Handle strided loads.
4023 (vect_transform_stmt): Add argument. Handle strided stores. Check
4024 that vectorized stmt exists for patterns.
4025 (vect_gen_niters_for_prolog_loop): Update calculation for
4027 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4028 whole chain vectorization.
4029 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4030 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4031 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4032 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4033 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4035 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4037 * cse.c (enum taken): Remove PATH_AROUND.
4038 (addr_affects_sp_p, invalidate_skipped_set,
4039 invalidate_skipped_block): Remove.
4040 (cse_end_of_basic_block): Remove skip_blocks and related code.
4041 (cse_main): Don't test for flag_cse_skip_blocks.
4042 Update cse_end_of_basic_block call.
4043 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4044 code to lengthen the path if a jump was simplified.
4046 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4048 PR rtl-optimization/29924
4049 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4050 (unroll_loop_runtime_iterations): Assert that the argument passed to
4051 split_edge_and_insert is not NULL.
4052 * loop-doloop.c (add_test): Ditto.
4054 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4056 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4058 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4059 * cfgloopmanip.c (update_single_exits_after_duplication,
4060 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4061 * tree-scalar-evolution.c (get_loop_exit_condition,
4062 get_exit_conditions_rec, loop_closed_phi_def,
4063 number_of_iterations_in_loop, scev_const_prop): Ditto.
4064 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4065 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4067 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4069 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4070 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4071 slpeel_make_loop_iterate_ntimes,
4072 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4073 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4075 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4076 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4077 vect_analyze_loop_form): Ditto.
4078 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4079 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4080 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4081 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4082 vect_transform_loop): Ditto.
4083 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4084 (single_exit, set_single_exit): New functions.
4085 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4086 (single_exit, set_single_exit): Declare.
4087 * doc/loop.texi: Undocument single_exit field. Document single_exit
4090 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4092 PR tree-optimization/29902
4093 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4094 any involved ssa name appears in abnormal phi node.
4096 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4098 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4099 (xtensa_const_ok_for_letter_p): Delete.
4100 (xtensa_extra_constraint): Delete.
4101 (override_options): Delete xtensa_char_to_class initialization.
4102 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4103 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4104 (EXTRA_CONSTRAINT): Delete.
4105 * config/xtensa/xtensa.md: Include constraints.md.
4106 (call_internal): Combine alternatives.
4107 (call_value_internal): Likewise, and remove invalid constraints.
4108 * config/xtensa/constraints.md: New file.
4109 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4110 (xtensa_extra_constraint): Delete.
4111 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4114 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4116 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4117 of conversion that doesn't fit.
4119 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4120 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4121 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4123 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4125 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4127 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4129 2006-11-21 Richard Guenther <rguenther@suse.de>
4131 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4132 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4133 vect_recog_pow_pattern.
4134 (vect_recog_pow_pattern): New function.
4136 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4138 * config/bfin/bfin.opt (mstack-check-l1): New.
4139 * doc/invoke.texi (Blackfin Options): Document it.
4140 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4141 stack bounds in L1 memory if the new option is enabled.
4142 (override_options): Don't allow combinations of -fstack-limit and
4144 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4147 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4149 (bfin_register_move_cost): Bump costs if trying to move plain
4150 integer values through accumulators.
4152 2006-11-21 Ben Elliston <bje@au.ibm.com>
4154 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4156 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4157 Russell Olsen <Russell_Olsen@playstation.sony.com>
4158 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4159 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4160 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4161 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4162 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4164 * config.gcc: Add target for SPU.
4165 * config/spu/constraints.md: New file.
4166 * config/spu/crt0.c: New file.
4167 * config/spu/crtend.c: New file.
4168 * config/spu/crti.asm: New file.
4169 * config/spu/crtn.asm: New file.
4170 * config/spu/float_unsdidf.c: New file.
4171 * config/spu/float_unssidf.c: New file.
4172 * config/spu/predicates.md: New file.
4173 * config/spu/spu-builtins.def: New file.
4174 * config/spu/spu-builtins.h: New file.
4175 * config/spu/spu-builtins.md: New file.
4176 * config/spu/spu-c.c: New file.
4177 * config/spu/spu-elf.h: New file.
4178 * config/spu/spu-modes.def: New file.
4179 * config/spu/spu-protos.h: New file.
4180 * config/spu/spu.c: New file.
4181 * config/spu/spu.h: New file.
4182 * config/spu/spu.md: New file.
4183 * config/spu/spu.opt: New file.
4184 * config/spu/spu_internals.h: New file.
4185 * config/spu/spu_intrinsics.h: New file.
4186 * config/spu/spu_mfcio.h: New file.
4187 * config/spu/t-spu-elf: New file.
4188 * config/spu/vec_types.h: New file.
4189 * config/spu/vmx2spu.h: New file.
4190 * doc/contrib.texi: Document SPU contributor.
4191 * doc/extend.texi: Document SPU extensions.
4192 * doc/invoke.texi: Document SPU options.
4193 * doc/md.texi: Document SPU constraints.
4195 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4197 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4199 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4201 (flow_loop_dump): Do not dump loop level.
4202 (flow_loops_find): Do not call flow_loops_level_compute.
4203 * cfgloop.h (struct loop): Remove level field.
4205 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4207 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4208 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4209 Use vector of edges instead of array.
4210 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4211 estimate_numbers_of_iterations_loop): Ditto.
4212 * predict.c (predict_loops): Ditto.
4213 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4214 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4216 * basic-block.h: Declare heap allocation for edge vectors.
4217 * tree-outof-ssa.c: Ditto.
4218 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4219 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4221 2006-11-20 Zack Weinberg <zackw@panix.com>
4223 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4224 Add another out parameter, "skip".
4225 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4226 is tagged "skip", do not mark its type used.
4228 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4231 * tree-sra.c (single_scalar_field_in_record_p): New function.
4232 (decide_block_copy): Use it.
4234 2006-11-20 David Daney <ddaney@avtrex.com>
4236 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4237 PC to point to following instruction.
4239 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4243 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4245 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4247 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4249 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4250 Add sh/superh.h to tm_file.
4252 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4253 Mark Mitchell <mark@codesourcery.com>
4255 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4257 (cpp_relocated): New function.
4258 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4260 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4261 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4262 replace configured prefix with gcc_exec_prefix.
4264 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4266 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4267 bfin_legitimate_constant_p.
4268 * config/bfin/bfin.md (movsi expander): Check return value of
4270 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4271 (expand_move): Adjust prototype.
4272 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4273 invalid constants specially.
4274 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4276 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4278 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4279 sibcall_value_symbol): Allow these patterns if
4280 TARGET_LEAF_ID_SHARED_LIBRARY.
4281 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4282 (override_options): Turn on id shared library flags if -msep-data,
4283 but disallow the combination of these options on the command line.
4284 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4285 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4286 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4287 -mid-shared-library.
4288 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4289 * doc/invoke.texi (Blackfin Options): Document new switches.
4291 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4292 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4294 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4295 inflate costs for addresses with an out-of-bounds address.
4297 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4300 * fwprop.c (loops): Remove.
4301 (forward_propagate_into): Use current_loops instead of
4303 (fwprop_init): Call loop_optimizer_init instead of
4305 (fwprop_done): Call loop_optimizer_finalize instead of
4307 (fwprop): Use current_loops instead of loops.
4309 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4312 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4314 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4317 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4318 larger than BITS_PER_WORD.
4320 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4324 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4325 to MAX_FIXED_MODE_SIZE.
4327 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4329 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4330 (fold_builtin_fmin_fmax): New.
4331 (fold_builtin_1): Use it.
4333 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4335 2006-11-18 Richard Guenther <rguenther@suse.de>
4337 * config/i386/i386.c (ix86_builtins): New array for ix86
4338 builtin function decls.
4339 (def_builtin): New function.
4340 (def_builtin_const): Likewise.
4341 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4343 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4345 * doc/invoke.texi (core2): Add item.
4347 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4349 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4350 (TARGET_CPU_DEFAULT_generic): Change value.
4351 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4352 (processor_type): Add new constant PROCESSOR_CORE2.
4354 * config/i386/i386.md (cpu): Add core2.
4356 * config/i386/i386.c (core2_cost): New initialized variable.
4357 (m_CORE2): New macro.
4358 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4359 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4360 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4361 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4362 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4363 x86_accumulate_outgoing_args, x86_prologue_using_move,
4364 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4365 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4366 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4367 x86_pad_returns): Add m_CORE2.
4368 (override_options): Add entries for Core2.
4369 (ix86_issue_rate): Add case for Core2.
4371 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4373 * doc/invoke.texi: Fix mno-isel typo.
4375 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4377 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4378 easy vector constant loads.
4380 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4382 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4383 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4384 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4385 * config/rs6000/sync.md (lwsync): Emit plain sync if
4388 2006-11-17 DJ Delorie <dj@redhat.com>
4390 * reload1.c (reloads_unique_chain): New.
4391 (reloads_conflict): Call it.
4393 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4395 * config/xtensa/predicates.md (addsubx_operand): New.
4396 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4397 (xtensa_emit_bit_branch): New.
4398 (xtensa_emit_movcc): New.
4399 * config/xtensa/xtensa.md (any_minmax): New code macro.
4400 (minmax): New code attribute.
4401 (any_cond, any_scc, any_scc_sf): New code macros.
4402 (*addx2, *addx4, *addx8): Delete.
4404 (*subx2, *subx4, *subx8): Delete.
4406 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4407 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4408 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4409 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4410 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4411 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4412 (movsfcc_internal0, movsfcc_internal1): Likewise.
4413 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4414 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4415 (xtensa_emit_bit_branch): New.
4416 (xtensa_emit_movcc): New.
4417 (function_arg_boundary): Add missing prototype.
4419 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4421 * config/xtensa/xtensa.md (tstsi): Delete
4423 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4425 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4427 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4429 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4431 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4433 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4435 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4437 * tree-vrp.c (execute_vrp): Do not update current_loops.
4438 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4439 * doc/loop.texi: Remove documentation for cancelled functions.
4440 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4441 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4443 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4444 (remove_path): Ensure that in delete_basic_blocks, the loops
4445 are still allocated.
4446 (add_loop): Work on valid loop structures.
4447 (loopify): Modify call of add_loop.
4448 (mfb_update_loops): Removed.
4449 (create_preheader): Do not update loops explicitly.
4450 (force_single_succ_latches, loop_version): Do not use
4451 loop_split_edge_with.
4452 (loop_split_edge_with): Removed.
4453 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4454 Do not use bsi_insert_on_edge_immediate_loop.
4455 (split_loop_exit_edge, tree_unroll_loop): Do not use
4456 loop_split_edge_with.
4457 (bsi_insert_on_edge_immediate_loop): Removed.
4458 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4459 use loop_split_edge_with.
4460 * cfghooks.c: Include cfgloop.h.
4461 (verify_flow_info): Verify that loop_father is filled iff current_loops
4463 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4464 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4466 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4468 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4469 loop_split_edge_with.
4470 (sms_schedule): Use current_loops.
4471 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4472 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4474 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4475 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4476 * ifcvt.c (if_convert): Ditto.
4477 * predict.c (predict_loops): Do not clear current_loops.
4478 (tree_estimate_probability): Use current_loops.
4479 (propagate_freq): Receive head of the region to propagate instead of
4481 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4482 (estimate_loops): New function. Handle case current_loops == NULL.
4483 (estimate_bb_frequencies): Do not allocate tovisit. Use
4485 * tree-ssa-loop.c (current_loops): Removed.
4486 (tree_loop_optimizer_init): Do not return loops.
4487 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4488 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4489 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4490 Do not update loops explicitly.
4491 * function.h (struct function): Add x_current_loops field.
4492 (current_loops): New macro.
4493 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4494 * loop-unroll.c (split_edge_and_insert): New function.
4495 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4496 use loop_split_edge_with.
4497 * loop-doloop.c (add_test, doloop_modify): Ditto.
4498 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4499 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4500 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4501 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4503 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4504 (flow_loops_free): Do not free dfs_order and rc_order.
4505 (flow_loops_find): Do not set dfs_order and rc_order in loops
4506 structure. Do not call loops and flow info verification.
4507 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4508 already belongs to some loop.
4509 * cfgloop.h (struct loops): Remove struct cfg.
4510 (current_loops, loop_split_edge_with): Declaration removed.
4511 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4512 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4513 Declaration removed.
4514 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4515 * basic-block.h (split_edge_and_insert): Declare.
4516 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4518 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4520 PR tree-optimization/29801
4521 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4522 (get_default_value): Use get_symbol_constant_value.
4523 (set_lattice_value): ICE when the value of the constant is
4525 (visit_assignment): Ignore VDEFs of read-only variables.
4527 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4529 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4531 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4532 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4534 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4536 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4537 select subvars of var.
4539 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4542 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4543 optimize if DEF doesn't have integral type.
4545 2006-11-16 Mike Stump <mrs@apple.com>
4547 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4548 pre-darwin9 system, unless the user asks for it directly.
4549 (PREFERRED_DEBUGGING_TYPE): Likewise.
4550 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4551 * config.gcc: Add suppport for darwin9.h.
4552 * config/darwin9.h: Add.
4553 * doc/install.texi (Specific): Clarify darwin documentation.
4555 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4557 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4558 optimizing for size.
4560 2006-11-16 Mike Stump <mrs@apple.com>
4562 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4564 2006-11-16 Dirk Mueller <dmueller@suse.de>
4566 * tree-vrp.c (get_value_range): Use XCNEW instead
4568 (insert_range_assertions): Use XCNEWVEC instead
4569 of XNEWVEC and memset.
4570 (vrp_initialize): Same.
4571 (vrp_finalize): Same.
4572 * tree-ssa-ccp.c (ccp_initialize): Same.
4573 * predict.c (tree_bb_level_predictions): Same.
4574 * calls.c (expand_call): Same.
4575 * tree-ssa-copy.c (init_copy_prop): Same.
4576 (fini_copy_prop): Same.
4577 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4578 of GGC_NEW and memset.
4580 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4583 * gimplify.c (gimplify_expr): Only force a load for references to
4584 non-BLKmode volatile values.
4585 * doc/implement-c.texi (Qualifiers implementation): Document the
4586 interpretation of what a volatile access is.
4587 * doc/extend.texi (C++ Extensions): Rework same documentation.
4589 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4591 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4594 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4596 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4598 (arm_neg_abssi2): Renamed from neg_abssi2.
4599 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4601 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4603 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4604 number of arguments passed to local functions in SSE registers is 3.
4606 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4607 number of arguments passed in SSE registers to 3.
4609 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4612 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4614 (get_last_bb_insn): ... new global function.
4615 (basic_block.h): Declare it.
4616 * haifa-sched.c (create_recovery_block): Use it.
4618 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4621 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4623 2006-11-15 Paul Brook <paul@codesourcery.com>
4625 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4626 _Unwind_GetTextRelBase): Move from here ...
4627 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4628 _Unwind_GetTextRelBase): ... To here.
4630 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4632 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4633 addresses we generate for testing are aligned.
4635 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4638 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4639 to what is the const decl is a place holder for.
4641 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4643 * config/i386/i386.opt: New target option -mx87regparm.
4645 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4646 and float_in_x87 variables. mmx_words, sse_words: Remove.
4647 (X87_REGPARM_MAX): Define.
4649 * config/i386/i386.c (override_options): Error out for
4650 -mx87regparm but no 80387 support.
4651 (ix86_attribute_table): Add x87regparm.
4652 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4653 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4654 (ix86_function_x87regparm): New function.
4655 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4657 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4659 (function_arg_advance): Process x87_nregs and x87_regno when
4660 floating point argument is to be passed in 80387 register.
4661 (function_arg): Pass XFmode arguments in 80387 registers for local
4662 functions. Pass SFmode and DFmode arguments to local functions
4663 in 80387 registers when flag_unsafe_math_optimizations is set.
4665 * reg-stack.c (convert_regs_entry): Disable NaN load for
4666 stack registers that are used for argument passing.
4668 * doc/extend.texi: Document x87regparm function attribute.
4669 * doc/invoke.texi: Document -mx87regparm.
4671 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4673 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4674 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4675 arg MODE; all callers changed. Use it to determine validity per
4676 machine mode instead of using Pmode for all memory references.
4677 (get_address_cost): Likewise add and use new arg MEM_MODE.
4679 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4680 J"orn Rennecke <joern.rennecke@st.com>
4682 * combine.c (likely_spilled_retval_1): Fix masking operation.
4683 (likely_spilled_retval_p): Use proper pattern for call to
4684 likely_spilled_retval_1.
4686 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4688 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4690 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4691 that tests for CONSTANT_POOL_ADDRESS_P.
4693 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4695 PR tree-optimization/29581
4696 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4697 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4698 type is different between Y and USE, create a temporary
4699 variable, initialize it at the beginning of the body bb
4700 and use it as replacement instead of Y.
4702 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4705 * gimplify.c (fold_indirect_ref_rhs): Use
4706 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4708 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4710 * expmed.c (emit_store_flag_1): New function.
4711 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4713 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4714 Use do_compare_rtx_and_jump.
4715 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4716 * arm.md (cstoresi4): New define_expand.
4717 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4718 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4719 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4721 2006-11-14 Caroline Tice <ctice@apple.com>
4723 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4724 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4726 (pubname_table): Redefine as a vector.
4727 (pubtype_table): New static global variable, defined as a vector.
4728 (pubname_table_allocated): Remove static global variable.
4729 (pubname_table_in_use): Remove static global variable.
4730 (PUBNAME_TABLE_INCREMENT): Remove constant.
4731 (size_of_pubnames): Add parameter to deal with either pubnames or
4732 pubtypes, and change code to deal with table being a vector.
4733 (add_pubname): Change to deal with table being a vector.
4734 (add_pubtype): New function.
4735 (output_pubnames): Add parameter to deal with either pubnames or
4736 pubtypes, and change code to deal with table being a vector.
4737 (gen_array_type_die): Add call to add_pubtype.
4738 (gen_enumeration_type_die): Add call to add_pubtype.
4739 (gen_struct_or_union_type_die): Add call to add_pubtype.
4740 (gen_subroutine_type_die): Add call to add_pubtype.
4741 (gen_typedef_die): Add call to add_pubtype.
4742 (dwarf2out_init): Add code to initialize pubname_table and
4743 pubtype_table vectors; also initialize debug_pubtypes_section.
4744 (prune_unused_types): Change to deal with pubnames being a vector.
4745 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4746 pubnames table to call to output_pubnames; Add code to output pubtypes
4747 table if DEBUG_PUBTYPES_SECTION is defined.
4748 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4750 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4752 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4754 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4755 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4756 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4757 movv2si_internal): Support moves between core registers.
4759 2006-11-14 Eric Christopher <echristo@apple.com>
4761 * configure: Regenerate with autoconf 2.59.
4763 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4765 Fix PR tree-optimization/27755
4767 * tree-ssa-pre.c: Update comments.
4768 (bb_bitmap_sets): Add pa_in and deferred member.
4769 (BB_DEFERRED): New macro.
4770 (maximal_set): New variable.
4771 (pre_stats): Add pa_insert member.
4772 (bitmap_set_and): Short circuit orig == dest.
4773 (bitmap_set_subtract_values): New function.
4774 (bitmap_set_contains_expr): Ditto.
4775 (translate_vuses_through_block): Add phiblock argument.
4776 (dependent_clean): New function.
4777 (compute_antic_aux): Update for maximal_set changes.
4778 (compute_partial_antic_aux): New function.
4779 (compute_antic): Handle partial anticipation.
4780 (do_partial_partial_insertion): New function.
4781 (insert_aux): Handle partial anticipation.
4782 (add_to_sets): Add to maximal set.
4783 (compute_avail): Ditto.
4784 (init_pre): Initialize maximal_set.
4785 (execute_pre): Do partial anticipation if -O3+.
4787 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4789 PR rtl-optimization/29798
4791 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4792 TARGET_INSN before any other check.
4793 (fwprop_init): Always calculate dominators.
4794 (fwprop_done): Always free them.
4796 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4798 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4801 2006-11-13 DJ Delorie <dj@redhat.com>
4803 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4804 temporary for intermediates.
4806 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4808 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4809 (sh_optimize_target_register_callee_saved): #if 0 the code
4810 using NOTE_INSN_LOOP_{BEG,END}.
4812 2006-11-13 Roger Sayle <roger@eyesopen.com>
4814 * fold-const.c (optimize_bit_field_compare): Recursively call
4815 fold when simplifying non-constant comparisons between bit-fields.
4817 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4819 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4821 * configure: Rebuilt.
4823 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
4825 * config/rs6000/cell.md: New file.
4826 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
4828 (ppccell_cost): New cost matrix.
4829 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
4830 (rs6000_override_options): Set rs6000_always_hint to false
4831 for cell. Also align functions/lables/loops to 8byte
4832 for the Cell. Use PROCESSOR_CELL.
4833 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
4834 using_mtcr_multiple.
4835 (rs6000_variable_issue): If the insn is a nonpipelined instruction
4836 on the Cell, return 0.
4837 (rs6000_adjust_cost): Add Cell cost adjustments.
4838 (is_microcoded_insn): Return true for Cell microcoded
4840 (is_nonpipeline_insn): New function.
4841 (rs6000_issue_rate): Add PROCESSOR_CELL.
4842 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
4844 (rs6000_use_sched_lookahead_guard): New function.
4845 (rs6000_sched_reorder): Reorder the ready list, if the second
4846 to last ready insn is a nonepipeline insn on the Cell.
4847 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
4848 (ASM_CPU_SPEC): Add Cell.
4849 * config/rs6000/rs6000.md (cpu): Add Cell.
4850 (cell_micro): New Attr.
4853 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4855 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
4857 * configure: Rebuilt.
4859 2006-11-13 Richard Guenther <rguenther@suse.de>
4861 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
4863 (ix86_expand_lfloorceil): Likewise.
4864 (ix86_expand_rint): Likewise.
4865 (ix86_expand_floorceildf_32): Likewise.
4866 (ix86_expand_floorceil): Likewise.
4867 (ix86_expand_rounddf_32): Likewise.
4868 (ix86_expand_truncdf_32): Likewise.
4869 (ix86_expand_round): Likewise.
4871 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
4872 Mark Mitchell <mark@codesourcery.com>
4874 * gcc.c: Organize search path variables into $prefix relative,
4875 and well-known native. Add comments.
4876 (add_sysrooted_prefix): Add comment.
4877 (process_command): If !gcc_exec_prefix add $prefix based paths.
4878 If *cross_compile == '0', add native well-known paths.
4879 Assert tooldir_base_prefix is always relative.
4880 (main): If print_search_dirs, and if gcc_exec_prefix is set,
4881 use this value for 'install:' path.
4882 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
4884 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4886 * config/i386/i386.c: Fix a typo in comment.
4888 2006-11-13 Michael Matz <matz@suse.de>
4890 * genemit.c (gen_expand): Allocate enough memory.
4892 2006-11-13 Joseph Myers <joseph@codesourcery.com>
4894 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
4895 __GXX_TYPEINFO_EQUALITY_INLINE but not
4896 __GXX_MERGED_TYPEINFO_NAMES.
4897 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
4898 __GXX_MERGED_TYPEINFO_NAMES.
4899 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
4900 __GXX_TYPEINFO_EQUALITY_INLINE.
4902 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
4903 Zdenek Dvorak <dvorakz@suse.cz>
4905 PR tree-optimization/29680
4906 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
4909 2006-11-12 Jason Merrill <jason@redhat.com>
4910 Andrew Pinski <pinskia@physics.uc.edu>
4913 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
4915 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
4917 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
4918 * tree.c (build_vector): Handle non-_CST elements.
4920 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4922 * genemit.c (gen_insn): Call gen_exp with a non-null used
4923 when handling multiple insns.
4924 (gen_expand): Likewise.
4925 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4926 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
4927 (movsi_const_16bit+1): Copy operands[1].
4928 (call_pcrel): Copy the call_site pattern.
4929 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
4931 2006-11-12 Roger Sayle <roger@eyesopen.com>
4933 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
4934 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
4935 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
4936 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
4938 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
4940 Fix PR tree-optimization/29587
4941 * tree-ssa-structalias.c (process_constraint): Don't
4942 mark address taken due only to escaped vars constraint.
4944 2006-11-12 Michael Matz <matz@suse.de>
4945 Roger Sayle <roger@eyesopen.com>
4947 PR rtl-optimization/29797
4948 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
4949 BITS_BIG_ENDIAN targets.
4951 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4953 * builtins.c (fold_builtin_cosh): New.
4954 (fold_builtin_1): Use it.
4955 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
4956 trunc to the list of "odd" functions. Also add llrint, lrint,
4957 rint and nearbyint when flag_rounding_math is false.
4959 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4961 * tree-flow.h (name_mappings_registered_p): Declare.
4962 * tree-into-ssa.c (name_mappings_registered_p): New function.
4963 * tree-cfg.c (tree_can_merge_blocks_p): Check
4964 name_mappings_registered_p instead of need_ssa_update_p.
4966 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4968 * tree-ssa-loop.c (tree_vectorize): Return the result of
4970 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
4971 if anything changed.
4972 * tree-vectorizer.h (vectorize_loops): Declaration removed.
4973 * tree-flow.h (vectorize_loops): Declaration changed.
4975 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4977 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
4979 (issue_prefetch_ref): Move assignment to write_p out of loop.
4980 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
4981 SIMULTANEOUS_PREFETCHES into account.
4982 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
4983 * lambda-code.c (lcm): Renamed to ...
4984 (least_common_multiple): ... and exported.
4985 * tree-flow.h (least_common_multiple): Declare.
4987 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
4989 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
4990 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
4991 ud-chains. Handle AND_EXPR.
4992 (record_estimate): Record whether the estimate is realistic
4993 and whether it is derived from a loop exit.
4994 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
4995 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
4997 (compute_estimated_nb_iterations): Take only realistic bounds into
4998 account. Set estimate_state. Use double_ints.
4999 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5000 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5001 that do not have to be always executed.
5002 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5003 to determine whether to call infer_loop_bounds_from_undefined
5004 and compute_estimated_nb_iterations.
5005 (n_of_executions_at_most): Use double_ints.
5006 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5007 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5008 * double-int.c (double_int_to_tree): Improve comment.
5009 (double_int_fits_to_tree_p): New function.
5010 * double-int.h (double_int_fits_to_tree_p): Declare.
5011 * tree-data-ref.c: Include langhooks.h.
5012 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5013 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5014 (analyze_array): Do not pass estimate_only argument to
5015 analyze_array_indexes.
5016 (get_number_of_iters_for_loop): Build tree from the stored double_int
5018 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5019 (find_data_references_in_loop): Use find_data_references_in_stmt.
5020 * tree-data-ref.h (struct data_ref_loc_d): New.
5021 (get_references_in_stmt): Declare.
5022 (estimate_iters_using_array): Declaration removed.
5023 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5024 double_int. Improve comments. Add is_exit and realistic
5026 (struct loop): Changed type of estimated_nb_iterations to double_int.
5027 Added estimate_state field.
5028 (record_estimate): Declaration removed.
5030 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5032 * params.c (set_param_value): Initialize the "set" field.
5033 * params.h (struct param_info): Add "set" field.
5034 (PARAM_SET_P): New macro.
5035 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5036 L1_CACHE_LINE_SIZE): New macros.
5037 * toplev.c (DEFPARAM): Initialize the "set" field.
5038 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5039 SIMULTANEOUS_PREFETCHES): Removed.
5040 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5041 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5042 * config/sparc/sparc.c: Include params.h.
5043 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5044 L1_CACHE_LINE_SIZE parameters.
5045 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5047 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5049 * config/i386/i386.c: Include params.h.
5050 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5051 (override_options): Set SIMULTANEOUS_PREFETCHES and
5052 L1_CACHE_LINE_SIZE parameters.
5053 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5054 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5055 L1_CACHE_LINE_SIZE parameters.
5056 * config/ia64/ia64.c (ia64_optimization_options): Set
5057 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5058 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5060 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5061 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5062 * doc/invoke.texi: Document new params.
5064 2006-11-12 Roger Sayle <roger@eyesopen.com>
5066 PR tree-optimization/13827
5067 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5070 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5072 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5073 update_single_exit_for_duplicated_loops): New functions.
5074 (duplicate_loop_to_header_edge): Use
5075 update_single_exit_for_duplicated_loops.
5076 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5077 functions only with ENABLE_CHECKING.
5079 2006-11-12 Andreas Schwab <schwab@suse.de>
5081 * except.c (sjlj_emit_function_enter): Remove unused variable.
5083 2006-11-11 Roger Sayle <roger@eyesopen.com>
5085 * fold-const.c (int_binop_types_match_p): New function.
5086 (size_binop): Relax constraint that both arguments must both have
5087 exactly the same sizetype type. Instead use int_binop_types_match_p.
5088 (size_diffop): Likewise.
5090 (make_range): Use build_int_cst instead of fold_convert.
5091 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5092 integer constants of the correct type.
5093 (fold_div_compare): Likewise.
5094 (fold_single_bit_test): Likewise.
5095 (fold_binary): Likewise.
5096 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5097 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5099 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5102 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5103 non null value if the struct memory access is in the 0th
5106 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5109 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5110 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5113 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5114 instead of builtin_define for bfin and BFIN.
5116 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5118 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5121 2006-11-11 Jan Hubicka <jh@suse.cz>
5123 * extend.texi (__builtin_expect): We no longer require second argument
5125 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5126 * builtins.c (expand_builtin_expect): Simplify.
5127 (expand_builtin_expect_jump): Kill.
5128 * final.c (final_scan_insn): Do not skip the removed notes.
5129 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5130 EXPECTED_VALUE): Remove.
5131 * dojump.c (do_jump): Do not care about __builtin_expect.
5132 * predict.c (expected_value_to_br_prob): Kill.
5133 * function.c (expand_function_end): Do not expand
5134 NOTE_INSN_REPEATED_LINE_NUMBER.
5135 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5136 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5137 * cfgexpand.c (add_reg_br_prob_note): Export.
5138 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5139 expected_value_to_br_prob.
5140 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5141 * rtl.h (add_reg_br_prob_note): Declare.
5143 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5145 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5147 2006-11-11 Jan Hubicka <jh@suse.cz>
5149 * predict.c (predict_loops): Kill RTL variant.
5151 2006-11-11 Jan Hubicka <jh@suse.cz>
5153 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5154 * modulo-sched.c (find_line_note): Remove.
5155 (loop_canon_p): Do not worry about line number notes.
5156 (sms_schedule): Likewise.
5157 * cse.c (cse_main): Likewise.
5158 * regmove.c (fixup_match_1): Likewise
5159 * function.c (emit_return_info_block): Likewise.
5160 (expand_function_end): Likewise.
5161 (thread_prologue_an_epilogue_insns): Likewise.
5162 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5164 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5165 emit_note_copy_after): Kill.
5166 (emit_note_copy): Do not worry about line numbers.
5167 * jump.c (purge_line_number_notes): Kill.
5168 (pass_purge_lineno_notes): Kill.
5169 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5171 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5172 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5173 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5174 * tree-pass.h (pass_purge_lineno_notes): Kill.
5175 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5176 rm_redundant_line_notes.
5177 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5178 rm_redundant_line_notes.
5179 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5180 * haifa-sched.c: Update comment about handling notes.
5181 (unlink_line_notes): Kill.
5182 (rm_line_notes): Kill.
5183 (save_line_notes): Simplify.
5184 (rm_redundant_line_notes): Kill.
5186 2006-11-11 Richard Guenther <rguenther@suse.de>
5188 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5189 Remove unused tree codes.
5190 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5191 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5192 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5193 * tree.c (stabilize_reference): Likewise.
5194 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5195 fold_unary): Likewise.
5196 * tree-gimple.c (is_gimple_cast): Likewise.
5197 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5198 * expr.c (expand_expr_real_1): Likewise.
5199 * tree-eh.c (tree_could_trap_p): Likewise.
5200 * gimplify.c (gimplify_expr): Likewise.
5201 * tree-inline.c (estimate_num_insns_1): Likewise.
5202 * tree-cfg.c (verify_expr): Likewise.
5204 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5206 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5207 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5208 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5210 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5213 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5214 constraints accept neither registers or memories.
5216 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5218 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5219 (NO_PROFILE_COUNTERS): Define as 1.
5221 2006-11-10 Roger Sayle <roger@eyesopen.com>
5223 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5224 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5226 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5228 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5230 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5232 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5233 (fold_builtin_hypot): Likewise.
5234 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5236 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5238 2006-11-10 Roger Sayle <roger@eyesopen.com>
5240 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5241 when attempting to build INTEGER_CSTs of non-integral types.
5242 * expmed.c (make_tree): Use the correct type, i.e. the inner
5243 type, when constructing the individual elements of a CONST_VECTOR.
5245 2006-11-10 Jan Hubicka <jh@suse.cz>
5247 * cse.c (cse_process_notes): Copy the propagated value.
5248 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5250 * gcse.c (try_replace_reg): Copy the replacement.
5251 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5252 (assign_386_stack_local): Always return copied memory expression
5253 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5256 2006-11-10 Jan Hubicka <jh@suse.cz>
5258 * final.c (final): Walk from first instruction.
5259 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5261 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5264 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5266 (umulv8hi3_highpart): Ditto.
5267 (vec_widen_smult_hi_v8hi): New expander.
5268 (vec_widen_smult_lo_v8hi): Ditto.
5270 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5273 * builtins.c (do_mpfr_arg3): New.
5274 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5276 2006-11-09 Eric Christopher <echristo@apple.com>
5281 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5282 * config.gcc (powerpc64-*-darwin*): New target.
5283 * config.host: Ditto.
5284 * config/rs6000/darwin64.h: New file.
5285 * config/rs6000/x-darwin64: Ditto.
5286 * config/rs6000/host-ppc64-darwin.c: Ditto.
5288 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5290 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5291 routines for integer division.
5293 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5295 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5297 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5300 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5302 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5304 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5305 simplify_subreg with BLKmode outer mode.
5307 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5309 * doc/invoke.texi: Minor formatting fixes in option lists.
5311 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5313 PR tree-optimization/29738
5314 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5315 (ccp_lattice_t): Remove UNKNOWN_VAL.
5316 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5317 Do not handle UNKNOWN_VAL.
5318 (get_default_value): Set initial value of virtual operands to
5320 (get_value): Always use get_default_value on uninitialized
5322 (set_value_varying, surely_varying_stmt_p): New functions.
5323 (set_lattice_value): Do not pass argument to get_value.
5324 Do not handle UNKNOWN_VAL.
5325 (likely_value): Follow the semantics described in the comment.
5326 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5327 phi nodes DONT_SIMULATE_AGAIN.
5328 (ccp_fold): Do not pass argument to get_value.
5329 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5332 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5334 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5335 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5337 2006-11-08 Roger Sayle <roger@eyesopen.com>
5339 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5340 test for inclusion rather than as a test for exclusion.
5341 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5342 the condition after calling fold_binary.
5343 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5344 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5345 * builtins.c (fold_builtin_isascii): Likewise.
5346 (fold_builtin_isdigit): Likewise.
5348 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5350 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5351 * configure: Regenerate.
5353 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5355 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5356 enum argument instead of bool.
5357 (vect_analyze_operations): Call vectorizable_type_promotion.
5358 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5359 stmt_vec_info_type value.
5360 (supportable_widening_operation, vectorizable_type_promotion): New
5361 function declarations.
5362 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5363 (vectorizable_type_promotion): New function.
5364 (vect_transform_stmt): Call vectorizable_type_promotion.
5365 * tree-vect-analyze.c (supportable_widening_operation): New function.
5366 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5368 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5371 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5372 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5373 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5375 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5376 * expr.c (expand_expr_real_1): Likewise.
5377 * optabs.c (optab_for_tree_code): Likewise.
5378 (init_optabs): Initialize new optabs.
5379 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5380 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5381 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5382 vec_unpacku_lo_optab): Initialize new optabs.
5383 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5384 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5385 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5387 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5388 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5389 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5390 (vec_unpacku_lo_optab): New optabs.
5391 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5392 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5393 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5394 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5395 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5396 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5398 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5399 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5400 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5401 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5402 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5403 implement the unsigned unpacking patterns.
5404 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5405 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5406 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5407 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5408 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5409 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5410 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5411 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5412 multiplication patterns.
5414 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5415 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5416 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5417 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5418 (rs6000_builtin_mul_widen_odd): New.
5419 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5420 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5421 * tree-vectorizer.h (enum vect_relevant): New enum type.
5422 (_stmt_vec_info): Field relevant chaned from bool to enum
5424 (STMT_VINFO_RELEVANT_P): Updated.
5425 (STMT_VINFO_RELEVANT): New.
5426 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5427 instead of STMT_VINFO_RELEVANT_P.
5428 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5429 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5430 and boolean variable with enum vect_relevant.
5431 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5432 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5433 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5435 2006-11-08 Richard Henderson <rth@redhat.com>
5437 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5438 vec_widen_umult_lo_v8hi): New.
5439 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5440 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5442 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5443 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5444 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5445 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5446 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5447 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5448 vec_unpacks_lo_v4si): New.
5450 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5452 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5453 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5454 (vect_analyze_operations): Call vectorizable_type_demotion.
5455 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5456 stmt_vec_info_type value.
5457 (vectorizable_type_demotion): New function declaration.
5458 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5461 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5462 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5464 * tree-iniline.c (estimate_num_insns_1): Likewise.
5465 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5466 * optabs.c (optab_for_tree_code): Likewise.
5468 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5469 compared against the predicate of the result is not 'mode' (the input
5470 to the function) but a mode with half the size of 'mode'.
5471 (init_optab): Initialize new optabs.
5472 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5474 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5476 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5477 (vec_pack_usat_optab): Initialize new optabs.
5478 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5479 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5481 2006-11-08 Richard Henderson <rth@redehat.com>
5483 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5484 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5485 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5486 (vec_interleave_highv4si, vec_interleave_lowv4si):
5487 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5489 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5491 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5493 (vect_transform_stmt): Removed redundant code.
5495 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5497 * tree-vect-transform.c (vectorizable_operation): Support multiple
5500 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5502 * tree-vect-transform.c (vect_align_data_ref): Removed.
5503 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5504 Updated function documentation. Return the increment stmt in ptr_incr.
5505 (bump_vector_ptr): New function.
5506 (vect_get_vec_def_for_stmt_copy): New function.
5507 (vect_finish_stmt_generation): Create a stmt_info to newly created
5509 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5511 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5512 VF is greater than the number of elements that can fit in one vector
5514 (vectorizable_operation, vectorizable_condition): Likewise.
5515 (vectorizable_store, vectorizable_load): Support the case that the VF
5516 is greater than the number of elements that can fit in one vector word.
5517 (vect_transform_loop): Don't fail in case of multiple data-types.
5518 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5519 in case of multiple data-types; the smallest type determines the VF.
5520 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5521 if they are of different sizes.
5522 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5523 number of elements rather than number of bytes.
5524 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5525 (vect_can_advance_ivs_p): Fix a dump printout
5527 2006-11-07 Eric Christopher <echristo@apple.com>
5529 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5530 (__bswapsi2): Ditto.
5531 * libgcc2.h: Remove transformation of bswap routines.
5532 * config/i386/i386.md (bswapsi2): New.
5535 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5537 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5538 (handle_gnu_inline_attribute): New function.
5539 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5540 (merge_decls, start_decl, start_function): Likewise.
5541 * doc/extend.texi: Document gnu_inline attribute.
5543 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5546 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5547 _fixunstfdi, and _floatditf
5549 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5551 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5553 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5554 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5555 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5556 which start in an odd register.
5558 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5560 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5562 2006-11-07 Josh Conner <jconner@apple.com>
5564 * doc/invoke.texi (fstrict-aliasing): Move implementation
5566 * doc/tree-ssa.texi (Alias analysis): ...here.
5568 2006-11-07 Richard Guenther <rguenther@suse.de>
5570 PR tree-optimization/29610
5571 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5572 of tree_purge_dead_eh_edges as it may free dominators.
5574 * g++.dg/other/pr29610.C: New testcase.
5576 2006-11-07 David Ung <davidu@mips.com>
5578 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5579 costs when optimizing for size.
5580 (override_options): Use mips_rtx_cost_optimize_size table for cost
5583 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5585 * gcc.c (process_command): Treat -b as normal switch if its argument
5588 2006-11-07 David Ung <davidu@mips.com>
5590 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5593 2006-11-06 Eric Christopher <echristo@apple.com>
5595 * config.gcc: Add x86_64-darwin host support.
5596 * config.host: Ditto.
5597 * config/i386/darwin64.h: New file.
5598 * config/i386/t-darwin64: Ditto.
5600 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5602 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5603 and output-exists-not.
5605 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5608 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5609 checking for overflow.
5611 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5613 * configure.ac: Fixed typo in case statement: :: changed to ;;
5615 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5617 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5618 count_leading_zeros, and count_trailing_zeros.
5619 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5620 (TARGET_FOLD_BUILTIN): Define.
5621 (TARGET_EXPAND_BUILTIN): Define.
5622 (xtensa_init_builtins): New.
5623 (xtensa_fold_builtin): New.
5624 (xtensa_expand_builtin): New.
5625 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5626 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5627 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5628 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5629 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5630 (any_extend): New code macro.
5631 (u, su): New code attributes.
5632 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5633 (nsau): Remove; replaced by clzsi2.
5634 (ffssi2): Use clzsi2.
5635 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5636 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5637 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5638 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5639 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5641 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5643 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5645 * config/arm/t-strongarm-elf: Likewise.
5646 * config/arm/t-pe: Likewise.
5647 * config/arm/t-arm-elf: Likewise.
5648 * config/arm/t-xscale-elf: Likewise.
5649 * config/arm/t-arm-coff: Likewise.
5650 * config/arm/t-xscale-coff: Likewise.
5651 * config/arm/t-wince-pe: Likewise.
5653 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5655 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5658 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5661 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5664 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5667 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5668 as a valid 80387 constant.
5669 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5670 * config/i386/i386.md (unnamed splitter): Split the load of
5671 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5674 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5676 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5677 from the soft-frame, argument and virtual registers.
5679 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5681 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5682 patterns for standard 80387 constants.
5684 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5685 Steven Bosscher <steven@gcc.gnu.org>
5687 * fwprop.c: New file.
5688 * Makefile.in: Add fwprop.o.
5689 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5690 * passes.c (init_optimization_passes): Schedule forward propagation.
5691 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5693 * timevar.def (TV_FWPROP): New.
5694 * common.opt (-fforward-propagate): New.
5695 * opts.c (decode_options): Enable forward propagation at -O2.
5696 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5697 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5698 canon_for_address, table_size): Remove.
5699 (new_basic_block, insert, remove_from_table): Remove references to
5701 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5702 simplification loop more straightforward by not calling fold_rtx
5704 (equiv_constant): Move here a small part of fold_rtx_subreg,
5705 do not call fold_rtx. Call avoid_constant_pool_reference
5707 * recog.h (canonicalize_change_group): New.
5709 * doc/invoke.texi (Optimization Options): Document fwprop.
5710 * doc/passes.texi (RTL passes): Document fwprop.
5712 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5714 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5715 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5716 (grokdeclarator): Likewise.
5718 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5720 * tree-dump.c (dump_enable_all): Rename local variable
5721 ir_type to avoid name conflicts.
5722 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5723 instead of using ir_type().
5724 * profile.c (tree_register_profile_hooks): Likewise.
5725 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5726 * basic-block.h (struct edge_def): Likewise.
5727 * config/arm/arm.c (legitimize_pic_address): Likewise.
5728 * coretypes.h (ir_type): New enum of all intermediate languages
5730 * cfghooks.c (ir_type): Rename to...
5731 (current_ir_type): ...this. Distinguish between cfgrtl and
5732 cfglayout mode when the current IR is RTL. Return enum ir_type.
5733 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5735 2006-11-03 Paul Brook <paul@codesourcery.com>
5737 * config/arm/arm.c (arm_file_start): New function.
5738 (TARGET_ASM_FILE_START): Define.
5739 (arm_default_cpu): New variable.
5740 (arm_override_options): Set arm_default_cpu.
5742 2006-11-03 David Ung <davidu@mips.com>
5744 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5745 PROCESSOR_24KC and PROCESSOR_24KF.
5746 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5747 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5748 (mips_rtx_cost_data): Add costs for the 24kc.
5749 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5750 * config/mips/24k.md: Remove references to 24k and replace with
5751 uses of 24kc/24kf in the appropriate reservations.
5752 * doc/invoke.texi (MIPS Options): Updated.
5754 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5756 * config/sh/crt1.asm: Fix #ifdef indent.
5758 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5759 Merged from STMicroelectronics sources:
5760 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5761 * config/sh/crt1.asm (vbr_600): Add missing #if.
5762 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5763 * sh.opt (mfused-madd): New option.
5764 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5765 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5766 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5767 Remove pointless handler at VBR+0.
5768 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5769 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5770 fr7. Make sure the timer handler is called with the correct FPU
5771 precision setting, according to the ABI.
5772 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5773 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5774 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5775 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5776 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5777 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5778 zero as second operand.
5779 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5780 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5781 Fixed some bugs related to negative values, in particular -0
5782 and overflow at -0x80000000.
5783 * config/sh/divcost-analysis: Added sh4-300 figures.
5784 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5785 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5786 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5787 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5788 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5789 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5791 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5793 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5794 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5795 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5796 mac_mem, mem_mac, dfp_mul, fp_cmp.
5797 (insn_class, dfp_comp, any_fp_comp): Update.
5798 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5799 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5800 (muldf3_i): Likewise.
5801 (movsi_i): Split rI08 alternative into two separate alternatives.
5803 (movsi_ie, movsi_i_lowpart): Likewise.
5804 (movqi_i): Split ri alternative into two separate alternatives.
5806 * sh1.md (sh1_load_store, sh1_fp): Update.
5807 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5808 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5809 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5810 (sh4a_fp_double_arith): Likewise.
5811 * sh4-300.md: New file.
5812 * sh.c (sh_handle_option): Handle m4-300* options.
5813 (sh_adjust_cost): Fix latency of auto-increments.
5814 Handle SH4-300 differently than other SH4s. Check for new insn types.
5815 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5816 been set by an option.
5817 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5818 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5819 (mbranch-cost=): Likewise.
5820 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
5822 * sh.md (mulsf3): Remove special expansion code.
5823 (mulsf3_ie): Now a define_insn_and_split.
5824 (macsf3): Allow for TARGET_SH4.
5826 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
5827 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
5828 (expand_cbranchdi4): Likewise.
5829 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
5830 CONST_DOUBLE if the outer code is COMPARE.
5831 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
5832 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
5833 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
5834 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
5835 Remove redundant fp_{zero,one}_operand checks.
5836 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
5837 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
5838 (expand_cbranchdi4): Likewise.
5839 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
5840 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
5842 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
5844 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
5847 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
5849 * doc/invoke.texi: Fix mfp-trap-mode typo.
5851 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
5853 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
5854 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5855 file_end_indicate_exec_stack.
5856 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
5858 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
5859 for a non-executable stack.
5860 * crti.asm: Likewise.
5861 * crtn.asm: Likewise.
5862 * libunwind.S: Likewise.
5864 2006-11-02 Ben Elliston <bje@au.ibm.com>
5866 * tree-ssa.c (warn_uninit): Use expand_location variables for
5867 locus and declaration locus.
5869 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
5872 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
5873 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
5874 cmp{eq,gt,gtu}{si,di}_media.
5875 (*cmpne0si_media): Remove.
5876 (*movsicc_umin): Adjust gen_cmp*_media call.
5877 (unordered): Change the mode of unordered and operands[1] to
5879 (seq): Adjust gen_cmp*_media calls. Make the mode of
5880 a temporary result of compare SImode if needed. If the mode
5881 of operands[0] is DImode, extend the temporary result to DImode.
5882 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
5883 (sunorderd): Change the mode of match_operand and unorderd to
5885 (cmpeq{sf,df}_media): Remove.
5886 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
5887 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
5888 and compare operation to SImode.
5890 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
5892 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
5894 (sparc64-sun-solaris2*): Likewise.
5896 2006-11-02 Paul Brook <paul@codesourcery.com>
5898 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5899 from priority argument. Use different section for non-default
5901 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
5903 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
5906 * except.c (switch_to_exception_section): Do not cache the section
5907 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5908 and flag_function_sections is set.
5910 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * builtins.c (do_mpfr_sincos): New.
5914 (fold_builtin_1): Use it to fold builtin sincos.
5916 2006-11-01 Roger Sayle <roger@eyesopen.com>
5918 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
5919 it into -D_REENTRANT.
5921 2006-11-01 Roger Sayle <roger@eyesopen.com>
5923 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
5924 whether the assembler supports taking the difference of symbols in
5925 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
5926 * configure: Regenerate.
5927 * config.in: Regenerate.
5928 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
5929 the assembler doesn't support taking the difference of symbols in
5930 different sections, i.e. we're using the native solaris assembler.
5932 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
5933 Peter Bergner <bergner@vnet.ibm.com>
5935 * doc/invoke.texi: Add cpu_type power6x
5936 (RS/6000 and PowerPC Options): Add -mmfpgpr.
5937 * config.gcc: Add cpu_type power6x.
5938 * configure.ac: Add test for mf{t,f}gpr instructions.
5939 (HAVE_AS_MFPGPR): New.
5940 * config.in: Regenerate.
5941 * configure: Regenerate.
5942 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
5943 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
5944 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
5945 and mftgpr attributes.
5946 (define_attr "cpu"): Add power6.
5947 Change instruction sequences to use new attributes.
5948 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
5949 (fix_truncdfsi2_mfpgpr): New.
5950 (floatsidf_ppc64_mfpgpr): New.
5951 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
5952 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
5953 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
5954 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
5955 (fix_truncdfsi2): Use gpc_reg_operand constraint.
5956 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
5957 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
5958 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
5959 cntlz,exts and var_delayed_compare.
5960 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5961 _ARCH_PWR6X, if features enabled.
5962 * config/rs6000/rs6000.opt (mmfpgpr): New.
5963 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
5964 (cached_can_issue_more): New variable.
5965 (processor_costs): Add power6_cost.
5966 (rs6000_sched_init): New function.
5967 (is_dispatch_slot_restricted): Deleted.
5968 (set_to_load_agen): New function.
5969 (is_load_insn,is_store_insn): New functions.
5970 (adjacent_mem_locations): New function.
5971 (insn_must_be_first_in_group): New function.
5972 (insn_must_be_last_in_group): New function.
5973 (rs6000_sched_reorder): New function.
5974 (rs6000_sched_reorder2): New function.
5975 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
5976 TARGET_SCHED_REORDER2): Define.
5977 (processor_target_table): Use PROCESSOR_POWER6 for power6.
5978 Add power6x. Add MASK_MFPGPR for power6x.
5979 (POWERPC_MASKS): Add MASK_MFPGPR.
5980 (rs6000_override_options): Set rs6000_always_hint to false
5981 for power6. Set rs6000_align_branch_targets. Replace
5982 rs6000_sched_groups check with rs6000_align_branch_targets.
5983 Use PROCESSOR_POWER6.
5984 (last_scheduled_insn): New variable.
5985 (load_store_pendulum): New variable.
5986 (rs6000_variable_issue): Set last_scheduled_insn and
5987 cached_can_issue_more.
5988 (rs6000_adjust_cost): Add power6 cost adjustments.
5989 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
5990 with insn_must_be_first_in_group. Add power6 priority adjustments.
5991 (rs6000_issue_rate): Add CPU_POWER6.
5992 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
5993 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
5994 (TARGET_MFPGPR): New.
5995 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
5996 (ASM_CPU_SPEC): Add power6x.
5997 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
5999 * config/rs6000/power6.md: New file.
6001 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6003 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6004 HOST_WIDE_INT_PRINT to print high and low parts. Use
6005 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6006 printing a hexadecimal number prefix it with 0x.
6008 2006-11-01 Chris Johns <chris@contemporary.net.au>
6011 * Makefile.in (install-driver): Use exeext when installing
6012 $target-gcc-$version.
6014 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6016 * c-common.c (flag_cpp0x): New.
6017 * c-common.h (flag_cpp0x): New.
6018 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6019 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6020 * c-opts.c (set_std_cxx0x): New.
6021 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6022 * c.opt (std=c++0x): Document.
6023 (std=gnu++0x): Ditto.
6024 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6025 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6027 2006-11-01 Richard Guenther <rguenther@suse.de>
6029 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6031 (ix86_expand_floorceildf_32): Likewise.
6032 (ix86_expand_floorceil): Likewise.
6033 (ix86_expand_trunc): Likewise.
6035 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6037 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6040 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6042 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6044 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6046 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6048 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6049 * configure.ac (use_cxa_atexit): As a special case, don't test
6050 for libc definition of __cxa_atexit on mingw32
6051 * configure: Regenerate.
6052 * config.gcc (i[34567]86-pc-mingw32): Default to
6053 enable__cxa_atexit=yes.
6055 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6057 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6059 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6062 * c-decl.c (start_struct): Don't create self-containing
6064 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6066 * config/rs6000/rs6000-protos.h
6067 (darwin_rs6000_special_round_type_align): New.
6068 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6069 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6071 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6073 * toplev.c (compile_file): Call final_write_globals
6074 even if there have been errors.
6076 2006-10-31 Eric Christopher <echristo@apple.com>
6077 Falk Hueffner <falk@debian.org>
6079 * doc/extend.texi (__builtin_bswap32): Document.
6080 (__builtin_bswap64): Ditto.
6081 * doc/libgcc.texi (bswapsi2): Document.
6083 * doc/rtl.texi (bswap): Document.
6084 * optabs.c (expand_unop): Don't widen a bswap.
6085 (init_optabs): Init bswap. Set libfuncs explicitly
6086 for bswapsi2 and bswapdi2.
6087 * optabs.h (OTI_bswap): New.
6088 (bswap_optab): Ditto.
6089 * genopinit.c (optabs): Handle bswap_optab.
6090 * tree.h (tree_index): Add TI_UINT32_TYPE and
6092 (uint32_type_node): New.
6093 (uint64_type_node): Ditto.
6094 * tree.c (build_common_tree_nodes_2): Initialize
6095 uint32_type_node and uint64_type_node.
6096 * builtins.c (expand_builtin_bswap): New.
6097 (expand_builtin): Call.
6098 (fold_builtin_bswap): New.
6099 (fold_builtin_1): Call.
6100 * fold-const.c (tree_expr_nonnegative_p): Return true
6102 * builtin-types.def (BT_UINT32): New.
6104 (BT_FN_UINT32_UINT32): Ditto.
6105 (BT_FN_UINT64_UINT64): Ditto.
6106 * builtins.def (BUILT_IN_BSWAP32): New.
6107 (BUILT_IN_BSWAP64): Ditto.
6108 * rtl.def (BSWAP): New.
6109 * genattrtab.c (check_attr_value): New.
6110 * libgcc2.c (__bswapSI2): New.
6111 (__bswapDI2): Ditto.
6112 * libgcc2.h (__bswapSI2): Declare.
6113 (__bswapDI2): Ditto.
6114 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6115 * simplify-rtx.c (simplify_const_unary_operation): Return
6117 * libgcc-std.ver (__bwapsi2): Add.
6118 (__bswapdi2): Ditto.
6119 * reload1.c (eliminate_regs_1): Add bswap.
6120 (elimination_effects): Ditto.
6121 * config/i386/i386.h (x86_bswap): New.
6122 (TARGET_BSWAP): Use.
6123 * config/i386/i386.c (x86_bswap): Set.
6125 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6127 * coverage.c (coverage_checksum_string): Update comment.
6128 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6129 of get_file_function_name.
6130 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6131 of get_file_function_name_long.
6132 * tree.c (get_file_function_name): Rename from
6133 get_file_function_name_long; improve comment; handle 'I' and 'D'
6134 specially when the target has ctor/dtor support; remove special
6136 (get_file_function_name): Remove.
6137 * tree.h (get_file_function_name): Rename from
6138 get_file_function_name_long.
6139 (get_file_function_name): Remove prototype.
6141 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6143 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6144 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6146 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6147 Call dsymutil when compiling and linking one or more source files
6150 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6153 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6155 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6157 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6158 inline static functions in c99 mode.
6161 * doc/extend.texi (Inline): Update.
6162 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6163 * c-decl.c (current_extern_inline): Delete.
6164 (pop_scope): Adjust test for an undefined nested function.
6165 Add warning about undeclared inline function.
6166 (diagnose_mismatched_decls): Update comments. Disallow overriding
6167 of inline functions in a translation unit in C99. Allow inline
6168 declarations in C99 at any time.
6169 (merge_decls): Boolize variables. Handle C99 'extern inline'
6171 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6172 C99 inline semantics.
6173 (start_function): Don't clear current_extern_inline. Don't set
6175 (c_push_function_context): Don't push current_extern_inline.
6176 (c_pop_function_context): Don't restore current_extern_inline.
6179 * c-typeck.c (build_external_ref): Warn about static variables
6180 used in extern inline functions.
6181 * c-decl.c (start_decl): Warn about static variables declared
6182 in extern inline functions.
6184 2006-10-31 Roger Sayle <roger@eyesopen.com>
6187 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6188 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6189 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6190 or y is an even integer.
6192 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6195 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6196 * gthr-posix95.h (__gthread_active_p): Likewise.
6198 2006-10-31 Richard Guenther <rguenther@suse.de>
6200 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6201 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6202 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6203 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6204 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6205 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6206 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6207 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6210 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6212 * opts.c (decode_options): Disable CSE skip blocks.
6214 2006-10-30 Dirk Mueller <dmueller@suse.de>
6216 * c-common.h (strict_aliasing_warning): Fix whitespace.
6217 * c-decl (start_function): Move code for main decl warning ..
6218 * c-common.c (check_main_parameter_types): .. here.
6219 * c-common.h (check_main_parameter_types): Declare.
6221 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6224 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6226 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6228 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6229 be a PARALLEL containing sets. Return false when out_pat is not
6232 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6234 * config/mips/mips.md (mul<mode>3): Split into...
6235 (mulsi3, muldi3): ...these separate patterns.
6237 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6239 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6240 but with each set of options separated by spaces.
6242 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6244 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6245 dwarf_reg_size_table has been initialized.
6247 2006-10-30 Roger Sayle <roger@eyesopen.com>
6249 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6250 * ddg.c (print_ddg_edge): Likewise.
6251 * dwarf2out.c (prune_unused_types_walk): Likewise.
6252 * ifcvt.c (noce_try_cmove_arith): Likewise.
6253 * langhooks.c (add_builtin_function): Likewise.
6254 * reg-stack.c (subst_stack_regs_pat): Likewise.
6255 * tree.c (expanded_location): Likewise.
6256 * tree-dump.c (dequeue_and_dump): Likewise.
6258 2006-10-30 David Daney <ddaney@avtrex.com>
6260 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6262 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6264 PR tree-optimization/29637
6265 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6266 of the innertype is the innertype itself.
6268 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6270 * dwarf2out.c (file_name_acquire): Correct typo.
6272 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6274 * tree.h (tree_value_handle): Remove struct value_set declaration.
6275 Change value_set to bitmap_set.
6276 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6277 * tree-vn.c (get_value_handle): Made inline and moved to
6279 * tree-flow-inline.h: (has_stmt_ann): New function.
6280 * tree-ssa-pre.c (expressions): New variable.
6281 (next_expression_id): Ditto.
6282 (alloc_expression_id): New function.
6283 (struct value_set): Remove.
6284 (get_expression_id): New function.
6285 (get_or_alloc_expression_id): Ditto.
6286 (expression_for_id): Ditto.
6287 (clear_expression_ids): Ditto.
6288 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6289 (bb_value_sets): Renamed to bb_bitmap_sets.
6290 All value sets replaced with bitmap_sets.
6292 (BB_VISITED): New macro.
6293 (postorder): New variable.
6294 (add_to_value): Removed.
6295 (value_exists_in_set_bitmap): Ditto.
6296 (value_insert_into_set_bitmap): Ditto.
6299 (set_remove): Ditto.
6300 (set_contains_value): Ditto.
6301 (insert_into_set): Ditto.
6303 (find_leader): Ditto.
6304 (bitmap_set_subtract_from_value_set): Ditto.
6305 (value_insert_into_set): Ditto.
6306 (print_value_set): Ditto.
6307 (debug_value_set): Ditto.
6308 (constant_expr_p): New function.
6309 (bitmap_remove_from_set): Ditto.
6310 (bitmap_insert_into_set): Ditto.
6311 (bitmap_set_free): Ditto.
6312 (vh_compare): Ditto.
6313 (sorted_array_from_bitmap_set): Ditto.
6314 (bitmap_set_subtract): Ditto.
6315 (bitmap_set_equal): Ditto.
6316 (debug_bitmap_set): Ditto.
6317 (find_leader_in_sets): Ditto.
6318 (bitmap_set_replace_value): Modify for bitmapped sets.
6319 (phi_translate): Ditto.
6320 (phi_translate_set): Ditto.
6321 (bitmap_find_leader): Ditto.
6322 (valid_in_sets): Ditto.
6323 (union_contains_value): Ditto.
6325 (compute_antic_aux): Ditto. Mark changed blocks.
6326 (compute_antic): Ditto. Iterate in postorder and only over
6328 (compute_rvuse_and_antic_safe): Reuse postorder.
6329 (create_component_ref_by_pieces): Modify for bitmapped sets.
6330 (find_or_generate_expression): Ditto.
6331 (create_expression_by_pieces): Ditto.
6332 (insert_into_preds_of_block): Ditto.
6333 (changed_blocks): New variable.
6334 (do_regular_insertion): Broken out from insert_aux.
6335 (insert_aux): Modified for bitmapped sets.
6336 (find_existing_value_expr): New function.
6337 (create_value_expr_from): Use it.
6338 (insert_extra_phis): Removed.
6339 (print_bitmap_set): Renamed from bitmap_print_value_set.
6340 (compute_avail): Handle RETURN_EXPR.
6341 (init_pre): Modify for bitmapped sets.
6342 * tree-flow.h (has_stmt_ann): New function.
6344 2006-10-29 Roger Sayle <roger@eyesopen.com>
6346 * builtins.c (fold_builtin_floor): Check for the availability of
6347 the C99 trunc function before transforming floor into trunc.
6349 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6351 * builtins.c (fold_builtin_hypot): Rearrange recursive
6352 transformation before others, and also do ABS_EXPR. When
6353 necessary, check flag_unsafe_math_optimizations. When necessary,
6356 2006-10-29 Roger Sayle <roger@eyesopen.com>
6358 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6359 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6360 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6361 Fold -X eq/ne -Y as X eq/ne Y.
6363 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6365 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6366 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6367 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6368 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6369 Use an inclusive test for "mult" rather than "mul".
6370 (rotr<mode>3): Depend on ISA_HAS_ROR.
6371 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6373 (GENERATE_MULT3_DI): Delete.
6374 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6375 (ISA_HAS_MUL3): New macro.
6376 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6377 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6378 (ISA_HAS_CLZ_CLO): Likewise.
6379 (ISA_HAS_DCLZ_DCLO): Delete.
6380 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6381 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6382 the VR4120 and VR4130.
6383 (ISA_HAS_MACCHI): Use consistent formatting.
6384 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6385 (ISA_HAS_ROR): ...this new macro.
6386 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6387 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6388 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6390 2006-10-29 Roger Sayle <roger@eyesopen.com>
6392 PR tree-optimization/15458
6393 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6396 2006-10-29 Richard Guenther <rguenther@suse.de>
6398 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6399 (ix86_expand_truncdf_32): Likewise.
6400 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6401 trunc inline for SSE math and -fno-trapping-math and if not
6402 optimizing for size.
6403 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6404 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6405 for expanding btrunc inline for SSE math.
6407 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6409 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6410 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6411 i[34567]86-*-solaris2.1[0-9]*.
6412 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6413 Define conditionally depending on TARGET_64BIT_DEFAULT.
6414 (SPEC_32, SPEC_64): Define.
6415 (LINK_SPEC): Use them.
6416 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6418 2006-10-29 Richard Guenther <rguenther@suse.de>
6420 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6421 (ix86_expand_rounddf_32): Likewise.
6422 * config/i386/i386.c (ix86_expand_round): New function expanding
6423 round inline for SSE math and -fno-trapping-math and if not
6424 optimizing for size.
6425 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6426 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6427 round via ix86_expand_round.
6429 2006-10-29 Richard Guenther <rguenther@suse.de>
6431 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6432 (ix86_expand_floorceildf_32): Likewise.
6433 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6434 static helper function.
6435 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6437 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6438 * config/i386/i386.md (floordf2): Adjust to enable floor
6439 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6440 -fno-trapping-math is enabled and if not optimizing for size.
6441 (floorsf2, ceildf2, ceilsf2): Likewise.
6442 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6443 (sse2_maskcmpdf3): Likewise.
6445 2006-10-29 Richard Guenther <rguenther@suse.de>
6447 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6448 rint in case -fno-trapping-math is enabled.
6449 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6450 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6451 (ix86_expand_sse_fabs): Likewise.
6452 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6453 * config/i386/i386.md (rintdf2): Enable for SSE math if
6454 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6455 (rintsf2): Likewise.
6457 2006-10-29 Richard Guenther <rguenther@suse.de>
6459 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6460 to conversion optabs.
6461 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6462 as conversion optab.
6463 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6464 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6465 (lfloor_optab, lceil_optab): Adjust defines.
6466 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6467 lfloor and lceil optabs now being conversion optabs.
6468 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6469 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6470 New static helper function.
6471 (ix86_expand_lfloorceil): New function to expand lfloor and
6473 * config/i386/i386.md (lfloor<mode>2): Split into ...
6474 (lfloorxf<mode>2): ... x87 variant
6475 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6476 using ix86_expand_lfloorceil.
6477 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6479 * doc/md.texi (lfloorMN, lceilMN): Document.
6481 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6483 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6484 -mno-shared assembler option on mips targets.
6485 * configure, config.in: Regenerate.
6486 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6487 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6488 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6490 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6492 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6493 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6495 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6497 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6498 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6501 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6504 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6505 (fold_builtin_pow): Evaluate constant arguments at compile-time
6507 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6508 (do_mpfr_ckconv): New helper function.
6509 (do_mpfr_arg1): Use do_mpfr_ckconv.
6510 (do_mpfr_arg2): New.
6512 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6515 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6516 (-fdump-rtl-sched): Rename to ..
6517 (-fdump-rtl-sched1): here. Also fix file extension number.
6519 2006-10-28 Richard Guenther <rguenther@suse.de>
6521 * fold-const.c (maybe_canonicalize_comparison): Fix code
6524 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6526 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6527 (NON_QI_REG_P): Use IN_RANGE.
6528 (REX_INT_REGNO_P): Use IN_RANGE.
6529 (FP_REGNO_P): Use IN_RANGE.
6530 (SSE_REGNO_P): Use IN_RANGE.
6531 (REX_SSE_REGNO_P): Use IN_RANGE.
6532 (MMX_REGNO_P): Use IN_RANGE.
6533 (STACK_REGNO_P): New macro.
6534 (STACK_REG_P): Use STACK_REGNO_P.
6535 (NON_STACK_REG_P): Use STACK_REGNO_P.
6536 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6537 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6538 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6539 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6540 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6542 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6544 * except.h (output_function_exception_table): Add 'const char*' param.
6545 * except.c (switch_to_exception_section): Add 'const char*' param.
6546 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6547 and flag_function_sections is set, use a function-specific section.
6548 (output_function_exception_table): Add 'const char*' param.
6549 Adjust call to switch_to_exception_section.
6550 * final.c (rest_of_handle_final): Adjust calls to
6551 output_function_exception_table.
6552 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6553 * config.in: Regenerate.
6554 * configure: Likewise.
6556 2006-10-28 Richard Guenther <rguenther@suse.de>
6559 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6560 for maybe_canonicalize_comparison.
6561 (maybe_canonicalize_comparison): New function for canonicalizing
6563 (fold_comparison): Call it to canonicalize comparisons with
6566 2006-10-28 Richard Guenther <rguenther@suse.de>
6569 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6570 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6571 (expand_builtin): Adjust likewise.
6572 * genopinit.c (optabs[]): Add lround optab.
6573 * optabs.c (init_optabs): Initialize lround_optab.
6574 * optabs.h (enum convert_optab_index): Add COI_lround.
6575 (lround_optab): Define.
6576 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6577 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6579 (ix86_expand_lround): New function.
6580 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6582 * doc/md.texi (lroundMN2): Document.
6584 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6587 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6588 argument to HOST_WIDE_INT. Update function prototype.
6589 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6590 "size" argument to HOST_WIDE_INT. Update function prototype.
6592 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6594 * config/i386/i386.c (output_387_ffreep): Create output from a
6595 template string for !HAVE_AS_IX86_FFREEP.
6597 2006-10-27 Eric Christopher <echristo@apple.com>
6599 * config/darwin.c: Fix formatting and grammar.
6601 2006-10-27 Jan Hubicka <jh@suse.cz>
6603 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6604 to be thrown away soon when IGNORE is set.
6605 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6606 indicating when return value shall not be computed.
6607 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6609 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6611 * config/i386/i386.h (TARGET_GEODE):
6612 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6613 (TARGET_CPU_DEFAULT_geode): New macro.
6614 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6615 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6616 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6617 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6618 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6620 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6621 (processor_type): Add PROCESSOR_GEODE.
6623 * config/i386/i386.md: Include geode.md.
6626 * config/i386/i386.c (geode_cost): New initialized global
6628 (m_GEODE, m_K6_GEODE): New macros.
6629 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6630 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6631 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6632 x86_schedule): Use m_K6_GEODE instead of m_K6.
6633 (x86_movx, x86_cmove): Set up m_GEODE.
6634 (x86_integer_DFmode_moves): Clear m_GEODE.
6635 (processor_target_table): Add entry for geode.
6636 (processor_alias_table): Ditto.
6638 * config/i386/geode.md: New file.
6640 * doc/invoke.texi: Add entry about geode processor.
6642 2006-10-27 Mike Stump <mrs@apple.com>
6644 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6645 __DYNAMIC__ from here back to ...
6646 * config/darwin.h (CPP_SPEC): ... here.
6648 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6649 Nathan Sidwell <nathan@codesourcery.com>
6651 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6652 when choosing the minimum heapsize.
6654 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6656 * gcc/unwind-dw2.h: Move cfa-related variables into
6657 struct frame_state_reg_info to ensure that the CFA is properly
6658 handled when executing DW_CFA_{remember,restore}_state.
6659 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6660 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6661 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6662 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6663 gcc/config/rs6000/linux-unwind.h,
6664 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6665 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6666 Modify to use new cfa_* fields.
6668 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6670 * config/s390/s390.c (s390_init_frame_layout): Check positive
6673 2006-10-26 Ben Elliston <bje@au.ibm.com>
6675 * gimplify.c (get_name): Remove extraneous break.
6676 (gimplify_omp_for): Initialise ret with GS_OK.
6678 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6680 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6681 Add unix98.o to link line.
6683 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6686 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6687 Calculate compile-time constants using MPFR.
6688 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6689 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6691 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6693 * config/xtensa/lib2funcs.S: Use C-style comments.
6695 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6697 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6698 (file_table_relative_p): Likewise.
6699 (dwarf2out_finish): Likewise.
6700 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6702 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6704 * tree-ssa-structalias.c (intra_create_variable_infos):
6705 Don't recreate nonlocal_all if it already exists.
6707 2006-10-25 Richard Guenther <rguenther@suse.de>
6710 * optabs.h (enum optab_index): Remove OTI_lrint.
6711 (enum convert_optab_index): Add COI_lrint.
6712 (lrint_optab): Adjust.
6713 (expand_sfix_optab): Declare.
6714 * optabs.c (expand_sfix_optab): New function.
6715 (init_optabs): Init lrint_optab as conversion optab.
6716 * genopinit.c (lrint_optab): Change to a conversion optab.
6717 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6718 expansion via conversion optab.
6719 * config/i386/i386.md (*fistdi2_1): Remove
6720 flag_unsafe_math_optimizations guard.
6721 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6722 fist<mode>2_with_temp): Likewise.
6723 (lrint<mode>2): Split into...
6724 (lrintxf<mode>2): ... x87 part
6725 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6726 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6727 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6728 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6729 * doc/md.texi (lrintMN2): Document.
6731 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6734 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6735 Use inc and dec instructions for TARGET_USE_INCDEC.
6736 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6737 ("sync_double_compare_and_swap<mode>"): Likewise.
6738 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6739 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6740 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6741 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6742 ("sync_old_add<mode>"): Likewise.
6743 ("sync_lock_test_and_set<mode>"): Likewise.
6744 ("sync_lock_test_and_set<mode>"): Likewise.
6745 ("sync_add<mode>"): Likewise.
6746 ("sync_sub<mode>"): Likewise.
6747 ("sync_ior<mode>"): Likewise.
6748 ("sync_and<mode>"): Likewise.
6749 ("sync_xor<mode>"): Likewise.
6751 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6753 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6754 (remainder_optab): Define corresponding macro.
6755 (drem_optab): Remove.
6756 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6757 drem_optab initialization.
6758 * genopinit.c (optabs): Implement remainder_optab using
6759 remainder?f3 patterns. Remove drem_optab.
6760 * builtins.c (expand_builtin_mathfn_2): Handle
6761 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6762 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6763 expand_builtin_mathfn_2.
6765 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6766 depend on flag_unsafe_math_optimizations.
6768 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6769 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6770 Do not depend on flag_unsafe_math_optimizations. Use
6771 truncxf?f expander instead of truncxf?f_i387_noop.
6773 ("fpremxf4", "fprem1xf4"): Do not depend on
6774 flag_unsafe_math_optimizations.
6775 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6776 flag_unsafe_math_optimizations. Use truncxf?f expander
6777 instead of truncxf?f_i387_noop.
6779 * doc/md.texi (fmod, remainder): Document standard named pattern.
6781 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6782 David Daney <ddaney@avtrex.com>
6785 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6787 2006-10-25 Ben Elliston <bje@au.ibm.com>
6789 * doc/extend.texi (Variable Attributes): Typo fix.
6791 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6793 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6794 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6795 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6796 (FRAME_POINTER_REGNUM): Update register number to 21.
6797 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6798 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6800 * config/i386/i386.c (regclass_map): Add fpcr entry.
6801 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6803 (print_reg): Assert REGNO (x) != FPCR_REG.
6805 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6806 (DIRFLAG_REG): Renumber.
6807 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6808 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6809 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6810 hardcoded SSE register numbers.
6812 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6813 hardcoded MMX register numbers.
6815 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6819 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6821 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
6822 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
6823 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
6824 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
6826 2006-10-24 Richard Guenther <rguenther@suse.de>
6829 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
6830 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
6831 for deciding optimizations in consistency with fold-const.c
6832 (fold_builtin_unordered_cmp): Likewise.
6834 2006-10-24 Richard Guenther <rguenther@suse.de>
6836 * builtins.c (fold_builtin_floor): Fold floor (x) where
6837 x is nonnegative to trunc (x).
6838 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
6839 nonnegative to FIX_TRUNC_EXPR.
6841 2006-10-24 Richard Guenther <rguenther@suse.de>
6843 PR tree-optimization/29567
6844 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
6845 for TRUTH_NOT_EXPR. Clarify comments.
6847 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6850 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
6851 at compile-time using MPFR. Change parameter VALUE to FUNC,
6853 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
6854 for overflow and underflow at all times and avoid folding in
6857 2006-10-24 Ben Elliston <bje@au.ibm.com>
6859 * reload1.c: Formatting fixes.
6861 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
6863 PR tree-optimization/14784
6864 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
6865 * tree-ssa-structalias.c (get_constraint_for,
6866 intra_create_variable_infos): Set is_heapvar.
6867 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
6868 non-heapvar pointer variables specially.
6870 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6873 * builtins.c (fold_builtin_sin, fold_builtin_cos,
6874 fold_builtin_tan): Fold all constant arguments. Take a "type"
6875 argument as necessary.
6876 (do_mpfr_arg1): New.
6877 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
6879 2006-10-23 Bob Wilson <bob.wilson@acm.org>
6881 * config/xtensa/lib1funcs.asm: Use C-style comments.
6883 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
6885 * tree.c (local_define_builtin): Replace calls to
6886 lang_hooks.builtin_function with add_builtin_function.
6887 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
6889 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
6891 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
6892 common code to add_builtin_function.
6893 * langhooks.c (add_builtin_function): New function.
6894 (lhd_builtin_function): New function.
6895 * langhooks.h (struct lang_hooks): Change the signature of
6897 (add_builtin_function): New function.
6898 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
6899 calls to lang_hooks.builtin_function with add_builtin_function.
6900 * c-common.c (decl_builtin_1): Replace calls to
6901 lang_hooks.builtin_function with add_builtin_function.
6902 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
6903 lang_hooks.builtin_function with add_builtin_function.
6904 * config/frv/frv.c (def_builtin): Replace calls to
6905 lang_hooks.builtin_function with add_builtin_function.
6906 * config/s390/s390.c (s390_init_builtins): Replace calls to
6907 lang_hooks.builtin_function with add_builtin_function.
6908 * config/sparc/sparc.c (def_builtin): Replace calls to
6909 lang_hooks.builtin_function with add_builtin_function.
6910 * config/i386/i386.c (def_builtin): Replace calls to
6911 lang_hooks.builtin_function with add_builtin_function.
6912 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
6913 lang_hooks.builtin_function with add_builtin_function.
6914 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
6915 lang_hooks.builtin_function with add_builtin_function.
6916 * config/stormy16/stormy16.c (xstormy16_init_builtins):
6917 Replace calls to lang_hooks.builtin_function with
6918 add_builtin_function.
6919 * config/iq2000/iq2000.c (def_builtin):
6920 Replace calls to lang_hooks.builtin_function with
6921 add_builtin_function.
6922 * config/ia64/ia64.c (def_builtin): Replace calls to
6923 lang_hooks.builtin_function with add_builtin_function.
6924 * config/rs6000/rs6000.c (def_builtin): Replace calls to
6925 lang_hooks.builtin_function with add_builtin_function.
6926 (altivec_init_builtins): Replace calls to
6927 lang_hooks.builtin_function with add_builtin_function.
6928 * config/arm/arm.c (def_mbuiltin): Replace calls to
6929 lang_hooks.builtin_function with add_builtin_function.
6930 (arm_init_tls_builtins): Replace calls to
6931 lang_hooks.builtin_function with add_builtin_function.
6932 * config/mips/mips.c (mips_init_builtins): Replace calls to
6933 lang_hooks.builtin_function with add_builtin_function.
6934 * config/bfin/bfin.c (def_builtin): Replace calls to
6935 lang_hooks.builtin_function with add_builtin_function.
6936 * langhooks-def.h (lhd_builtin_function): New function.
6937 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
6939 2006-10-23 Jakub Jelinek <jakub@redhat.com>
6941 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
6942 BUILT_IN_STRNCAT_CHK.
6944 2006-10-23 Jan Hubicka <jh@suse.cz>
6946 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
6947 don't do conversion from memmove to memcpy here.
6948 (expand_builtin_bcopy, expand_builtin): Update call of
6949 expand_builtin_memmove.
6950 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
6952 2006-10-23 Paul Brook <paul@codesourcery.com>
6954 * stor-layout.c (start_record_layout): maximum_field_alignment
6955 overrides STRUCTURE_SIZE_BOUNDARY.
6957 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
6959 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
6960 nonlocal function symbols if flag_pic.
6962 2006-10-23 Richard Guenther <rguenther@suse.de>
6966 * builtins.c (fold_binary): Remove checks for flag_wrapv
6967 and flag_trapv where negate_expr_p covers these cases.
6969 2006-10-23 Richard Guenther <rguenther@suse.de>
6972 * fold-const.c (fold_plusminus_mult_expr): Check exact power
6973 of two on the absolute value.
6974 (fold_binary): Fold x * -C to -x * C if x is easily negatable
6975 and negating -C does not overflow.
6977 2006-10-23 Richard Guenther <rguenther@suse.de>
6980 * convert.c (convert_to_real): Fold (float)-x to -(float)x
6981 only if not flag_rounding_math.
6983 2006-10-22 Richard Sandiford <richard@codesourcery.com>
6984 Kaz Kojima <kkojima@gcc.gnu.org>
6987 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6988 SImode memory reference for the source of a movua.
6989 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
6990 (movua): Use an unspec instead of sign_extract. Expect the source
6991 to have mode BLKmode.
6992 (extv, insv): Use a BLKmode rather than SImode memory reference
6993 for the source of a movua.
6995 2006-10-22 Jeff Law <law@redhat.com>
6996 Richard Guenther <rguenther@suse.de>
6998 PR tree-optimization/15911
6999 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7000 (register_edge_assert_for_1): Likewise.
7001 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7002 (find_conditional_asserts): Adjust for new function signature.
7003 (find_assert_locations): Likewise.
7005 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7007 * config/i386/tmmintrin.h: Remove the duplicated content.
7009 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7011 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7012 (x86_64-*-*): Likewise.
7014 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7015 (override_options): Check SSSE3.
7016 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7017 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7018 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7019 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7020 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7021 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7022 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7023 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7024 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7025 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7026 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7027 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7028 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7029 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7030 IX86_BUILTIN_PABSD128.
7031 (bdesc_2arg): Add SSSE3.
7032 (bdesc_1arg): Likewise.
7033 (ix86_init_mmx_sse_builtins): Support SSSE3.
7034 (ix86_expand_builtin): Likewise.
7035 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7037 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7038 (UNSPEC_PSIGN): Likewise.
7039 (UNSPEC_PALIGNR): Likewise.
7040 Include mmx.md before sse.md.
7042 * config/i386/i386.opt: Add -mssse3.
7044 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7045 (ssse3_phaddwv4hi3): Likewise.
7046 (ssse3_phadddv4si3): Likewise.
7047 (ssse3_phadddv2si3): Likewise.
7048 (ssse3_phaddswv8hi3): Likewise.
7049 (ssse3_phaddswv4hi3): Likewise.
7050 (ssse3_phsubwv8hi3): Likewise.
7051 (ssse3_phsubwv4hi3): Likewise.
7052 (ssse3_phsubdv4si3): Likewise.
7053 (ssse3_phsubdv2si3): Likewise.
7054 (ssse3_phsubswv8hi3): Likewise.
7055 (ssse3_phsubswv4hi3): Likewise.
7056 (ssse3_pmaddubswv8hi3): Likewise.
7057 (ssse3_pmaddubswv4hi3): Likewise.
7058 (ssse3_pmulhrswv8hi3): Likewise.
7059 (ssse3_pmulhrswv4hi3): Likewise.
7060 (ssse3_pshufbv16qi3): Likewise.
7061 (ssse3_pshufbv8qi3): Likewise.
7062 (ssse3_psign<mode>3): Likewise.
7063 (ssse3_psign<mode>3): Likewise.
7064 (ssse3_palignrti): Likewise.
7065 (ssse3_palignrdi): Likewise.
7066 (abs<mode>2): Likewise.
7067 (abs<mode>2): Likewise.
7069 * config/i386/tmmintrin.h: New file.
7071 * doc/extend.texi: Document SSSE3 built-in functions.
7073 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7075 2006-10-22 Ira Rosen <irar@il.ibm.com>
7077 * tree-vect-transform.c (vectorizable_load): Use the type of the
7078 return value of the mask_for_load builtin to create realign_load
7081 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7083 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7086 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7088 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7089 (UNSPEC_LDDQU): This.
7090 * config/i386/sse.md (sse3_lddqu): Updated.
7092 2006-10-21 Richard Guenther <rguenther@suse.de>
7094 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7095 (expand_builtin): Use it to expand lrint instead of
7096 expand_builtin_mathfn.
7098 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7101 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7102 flag_unsafe_math_optimizations is set.
7104 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7107 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7108 patterns to use memory input operand in x87->mem->XMM
7109 reload sequences. Skip transformation for TARGET_K8.
7111 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7113 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7114 force operand1 to register if both operands are memory operands.
7115 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7116 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7117 if both operands are memory operands.
7118 (truncdfsf2): Do not force operand1 to register if both operands
7119 are memory operands.
7121 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7123 * Makefile.in (LIBS): Add $(GMPLIBS).
7124 * doc/install.texi: Update GMP and MPFR requirements.
7125 * doc/sourcebuild.texi (need_gmp): Delete.
7127 2006-10-21 Richard Guenther <rguenther@suse.de>
7129 PR tree-optimization/3511
7130 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7131 got new invariant arguments during PHI translation.
7133 2006-10-21 Richard Guenther <rguenther@suse.de>
7136 * fold-const.c (fold_comparison): Fold signed comparisons
7137 of the form X +- C1 CMP Y +- C2.
7139 2006-10-21 Richard Guenther <rguenther@suse.de>
7142 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7143 if flag_unsafe_math_optimizations is specified. We have
7144 flag_finite_math_only for that.
7145 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7146 or flag_unsafe_math_optimizations.
7148 2006-10-21 Richard Guenther <rguenther@suse.de>
7150 * builtins.c (fold_builtin_classify): Fix typo.
7152 2006-10-21 Richard Guenther <rguenther@suse.de>
7155 * simplify-rtx.c (simplify_const_relational_operation):
7156 Do not constant-fold ORDERED and UNORDERED for
7157 flag_unsafe_math_optimizations but only we do not need to
7158 honor NaNs for the given mode.
7160 2006-10-21 Richard Guenther <rguenther@suse.de>
7163 * config/i386/i386.c (classify_argument): Remove redundant
7164 walking of the BINFOs.
7165 (contains_128bit_aligned_vector_p): Likewise.
7167 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7169 * BASE-VER: Set to 4.3.0.
7171 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7173 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7174 (tree_decl_with_vis): Remove artificial_pta_var flag.
7175 * tree-flow.h (referenced_var_check_and_insert): Expose.
7176 (nonlocal_all): New prototype.
7177 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7178 (nonlocal_all): Make global.
7179 (nonlocal_lookup): Remove.
7180 (nonlocal_insert): Ditto.
7181 (create_nonlocal_var): Do not call nonlocal_insert.
7182 (get_nonlocal_id_for_type): Remove.
7183 (find_global_initializers): Mark new vars we find for renaming.
7184 (intra_create_variable_infos): Only create one nonlocal.
7185 (expand_nonlocal_solutions): Remove.
7186 (compute_points_to_sets): Don't call it.
7187 (ipa_pta_execute): Ditto.
7188 (init_alias_heapvars): Don't create nonlocal_for_type.
7189 (delete_alias_heapvars): Don't remove it.
7190 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7193 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7195 * doc/install.texi (Downloading GCC): Clarify mention of
7196 Fortran in the "full distribution" description.
7198 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7200 Fix PR tree-optimization/28778
7201 Fix PR tree-optimization/29156
7202 Fix PR tree-optimization/29415
7203 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7204 (tree_decl_with_vis): Add artificial_pta_var flag.
7205 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7206 pushed into callers.
7207 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7208 (nonlocal_all): Ditto.
7209 (struct variable_info): Add directly_dereferenced member.
7210 (var_escaped_vars): New variable.
7211 (escaped_vars_tree): Ditto.
7212 (escaped_vars_id): Ditto.
7213 (nonlocal_vars_id): Ditto.
7214 (new_var_info): Set directly_dereferenced.
7215 (graph_size): New variable
7216 (build_constraint_graph): Use graph_size.
7217 (solve_graph): Don't process constraints that cannot change the
7218 solution, don't try to propagate an empty solution to our
7220 (process_constraint): Set directly_dereferenced.
7221 (could_have_pointers): New function.
7222 (get_constraint_for_component_ref): Don't process STRING_CST.
7223 (nonlocal_lookup): New function.
7224 (nonlocal_insert): Ditto.
7225 (create_nonlocal_var): Ditto.
7226 (get_nonlocal_id_for_type): Ditto.
7227 (get_constraint_for): Allow results vector to be empty in the case
7228 of string constants.
7229 Handle results of calls properly.
7230 (update_alias_info): Update alias info stats on number and type of
7232 (find_func_aliases): Use could_have_pointers.
7233 (make_constraint_from_escaped): Renamed from
7234 make_constraint_to_anything, and changed to make constraints from
7236 (make_constraint_to_escaped): New function.
7237 (find_global_initializers): Ditto.
7238 (create_variable_info_for): Make constraint from escaped to any
7239 global variable, and from any global variable to the set of
7241 (intra_create_variable_infos): Deal with escaped instead of
7242 pointing to anything.
7243 (set_uids_in_ptset): Do type pruning on directly dereferenced
7245 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7246 (init_base_vars): Fix comment, and initialize escaped_vars.
7247 (need_to_solve): Removed.
7248 (find_escape_constraints): New function.
7249 (expand_nonlocal_solutions): Ditto.
7250 (compute_points_to_sets): Call find_escape_constraints and
7251 expand_nonlocal_solutions.
7252 (delete_points_to_sets): Don't fall off the end of the graph.
7253 (init_alias_heapvars): Initialize nonlocal_for_type and
7255 (delete_alias_heapvars): Free nonlocal_for_type and null out
7258 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7260 * fold-const.c (add_double): Rename to add_double_with_sign.
7261 Add 'unsigned_p' parameter and take it into account for the overflow.
7262 (mul_double): Rename to mul_double_with_sign.
7263 Add 'unsigned_p' parameter and take it into account for the overflow.
7264 (fold_div_compare): Call add_double_with_sign instead of add_double
7265 and mul_double_with_sign instead of mul_double, passing them the
7266 unsignedness of the type.
7267 * tree.h (add_double): Macroize.
7268 (add_double_with_sign): New prototype.
7269 (mul_double): Macroize.
7270 (mul_double_with_sign): New prototype.
7272 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7274 * config/score/crti.asm: New file.
7275 * config/score/crtn.asm: New file.
7276 * config/score/elf.h: New file.
7277 * config/score/mac.md: New file.
7278 * config/score/misc.md: New file.
7279 * config/score/mul-div.S: New file.
7280 * config/score/predicates.md: New file.
7281 * config/score/score7.md: New file.
7282 * config/score/score.c: New file.
7283 * config/score/score-conv.h: New file.
7284 * config/score/score.h: New file.
7285 * config/score/score.md: New file.
7286 * config/score/score-mdaux.c: New file.
7287 * config/score/score-mdaux.h: New file.
7288 * config/score/score-modes.def: New file.
7289 * config/score/score.opt: New file.
7290 * config/score/score-protos.h: New file.
7291 * config/score/score-version.h: New file.
7292 * config/score/t-score-elf: New file.
7293 * config.gcc: Add score*-*-* configurations(Update before).
7294 * doc/invoke.texi (Score Options): New section.
7295 * doc/md.texi (Score family): New section to document constraints.
7297 2006-10-19 Nick Clifton <nickc@redhat.com>
7299 * config/arm/arm.c: Fix spelling typo.
7301 2006-10-18 Tom Tromey <tromey@redhat.com>
7303 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7305 2006-10-18 Jan Hubicka <jh@suse.cz>
7308 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7311 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7313 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7314 TSI_SAME_STMT, since that's the desired entity.
7316 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7318 * config/s390/contraints.md: New file.
7319 * config/s390/s390-protos.h (s390_mem_constraint,
7320 s390_O_constraint_str, s390_N_constraint_str,
7321 s390_float_const_zero_p): Function prototypes added.
7322 * config/s390/s390.c (s390_extra_constraint_str,
7323 s390_const_double_ok_for_constraint_p,
7324 s390_const_ok_for_constraint_p): Functions removed.
7325 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7326 s390_float_const_zero_p): New functions.
7327 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7328 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7329 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7330 Macro definitions removed.
7331 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7332 s390_extra_constraint_str): Functions removed.
7334 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7335 Richard Sandiford <richard@codesourcery.com>
7338 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7339 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7341 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7343 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7344 (DWARF2_FRAME_REG_OUT): Likewise.
7345 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7346 (DWARF2_FRAME_REG_OUT): Likewise.
7348 2006-10-17 Paul Brook <paul@codesourcery.com>
7350 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7352 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7354 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7355 Standardize on "GNU Fortran" as the official name of the Fortran
7358 2006-10-16 Mike Stump <mrs@apple.com>
7360 * doc/invoke.texi (Darwin Options): Document -mkernel.
7361 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7363 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7364 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7365 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7366 (OS_MISSING_ALTIVEC): Add.
7367 * config/i386/i386.c (override_options): Add
7368 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7369 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7370 -mkernel, -static or -mdynamic-no-pic is given.
7371 (C_COMMON_OVERRIDE_OPTIONS): Add.
7372 * config/darwin.opt (fapple-kext): Add.
7374 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7375 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7377 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7378 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7379 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7380 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7381 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7382 (flag_mkernel): Add.
7383 (flag_apple_kext): Add.
7384 (TARGET_KEXTABI): Add.
7385 * config/darwin.c (darwin_handle_kext_attribute): Add.
7386 (DARWIN_VTABLE_P): Add.
7387 (darwin_binds_local_p): Add partial support for rebinding vtables
7389 (darwin_kextabi_p): Add.
7390 (darwin_override_options): Add.
7391 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7392 (darwin_kextabi_p): Add.
7393 (darwin_override_options): Add.
7394 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7395 __DYNAMIC__ and __STATIC__ here.
7397 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7399 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7400 Added mention of "make pdf" target, and Texinfo requirements for
7403 2006-10-16 DJ Delorie <dj@redhat.com>
7405 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7406 into the GOT in case we need a subreg of the address.
7408 2006-10-16 Richard Guenther <rguenther@suse.de>
7411 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7412 SSE builtin documentation. Document SSE2 builtins.
7414 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7416 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7417 symbol in the output file for non-shared links when -nostdlib or
7418 -nodefaultlibs isn't specified.
7420 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7421 posix thread support.
7423 2006-10-15 Jan Hubicka <jh@suse.cz>
7426 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7427 declared always_inline even when not inlining.
7429 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7430 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7431 Andrew Pinski <pinskia@gmail.com>
7434 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7436 2006-10-15 Jan Hubicka <jh@suse.cz>
7437 Richard Guenther <rguenther@suse.de>
7440 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7441 process_function_and_variable_attributes on all variables, including
7442 those discovered during cgraph construction phase.
7444 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7446 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7448 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7450 * config/i386/athlon.md (athlon_fist): Add fisttp.
7452 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7453 Ian Lance Taylor <ian@airs.com>
7456 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7457 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7460 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7462 * config/score/score.c, config/score/score.h: Fix comment
7465 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7468 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7471 2006-10-13 Eric Christopher <echristo@apple.com>
7473 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7475 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7478 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7479 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7480 alignment supported by 32-bit ELF.
7482 2006-10-13 Eric Christopher <echristo@apple.com>
7484 * config/darwin.c (darwin_emit_unwind_label): Strip
7485 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7487 2006-10-13 Richard Guenther <rguenther@suse.de>
7489 PR tree-optimization/29446
7490 * tree-vrp.c (fix_equivalence_set): Remove.
7491 (extract_range_from_assert): Do not call fix_equivalence_set.
7492 (debug_value_range): Print a newline.
7493 (compare_name_with_value): For equivalence sets with
7494 inconsistent value ranges conservatively bail out.
7495 (compare_names): Likewise.
7497 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7499 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7500 and MPFR for gfortran.
7502 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7504 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7505 alignment supported by 32-bit ELF.
7507 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7511 * c-typeck.c (digest_init): Always allow initializing vectors
7512 that have static storage duration with compound literals.
7513 * tree.c (build_type_attribute_qual_variant): New, based on
7514 build_type_attribute_variant.
7515 (build_type_attribute_variant): Rewrite using the former.
7516 (make_vector_type): Use build_type_attribute_qual_variant to build
7517 type variants. Use type_hash_canon on the others.
7519 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7520 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7522 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7524 2006-10-12 Jan Hubicka <jh@suse.cz>
7527 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7528 current_function_decl is set but current_function_scope is not.
7530 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7532 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7533 emit_insn to emit eh_return_internal instruction.
7534 (eh_return_internal): Explicitly set pc.
7536 2006-10-11 Richard Guenther <rguenther@suse.de>
7538 PR tree-optimization/28230
7539 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7540 to the correct place.
7542 2006-10-11 Richard Guenther <rguenther@suse.de>
7545 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7548 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7550 * configure.ac: Added pdf to "Make-hooks"
7551 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7552 targets and *.pdf file patterns in cleanup targets.
7553 * configure: Regenerated.
7555 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7557 * config/avr/predicates.md: New file.
7558 * config/avr/avr.md: Include it.
7559 (REG_SP): New constant.
7560 (peepholes): Use predicates.
7561 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7562 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7563 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7565 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7567 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7570 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7573 * builtins.c (var_decl_component_p): New function.
7574 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7575 single entry optimization to variables and components thereof.
7577 2006-10-10 Richard Guenther <rguenther@suse.de>
7579 PR rtl-optimization/29323
7580 * except.c (set_nothrow_function_flags): For functions
7581 that do not bind local bail out early.
7583 2006-10-10 Ben Elliston <bje@au.ibm.com>
7585 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7588 2006-10-09 Richard Henderson <rth@redhat.com>
7590 Revert emutls patch.
7592 2006-10-09 Richard Guenther <rguenther@suse.de>
7595 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7598 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7601 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7602 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7603 * configure: Regenerate.
7604 * config.in: Regenerate.
7606 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7608 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7610 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7612 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7613 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7614 Remove stray newline.
7616 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7618 * config/mips/mips.c (mips_classify_symbol): Do not return
7619 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7620 (mips_in_small_data_p): Tweak comments.
7622 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7624 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7626 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7628 * gimplify.c, sched-int.h: Fix comment typos.
7630 * sched-int.h: Fix comment typos.
7632 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7634 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7636 * sched-ebb.c (begin_schedule_ready): Use them.
7637 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7638 add_to_speculative_block, create_check_block_twin, speculate_insn,
7639 fix_jump_move, move_block_after_check): Ditto.
7640 * sched-rgn.c (new_ready): Ditto.
7642 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7644 PR rtl-optimization/29128
7645 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7646 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7647 allow interblock movement of speculation checks.
7649 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7652 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7653 casted to integer type.
7654 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7655 if they are significantly more expensive than [reg + index] ones.
7657 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7659 PR tree-optimization/29330
7660 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7661 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7662 on newly allocated ddrs.
7663 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7664 to VEC (loop_p, heap) pointer.
7665 (compute_data_dependences_for_loop): Adjust caller.
7666 (free_dependence_relations): Free DDR_LOOP_NEST.
7668 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7669 free DEPENDENCE_RELATIONS and DATAREFS.
7672 * builtins.c (expand_builtin_sync_operation,
7673 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7674 Use convert_to_mode to handle promoted arguments.
7676 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7678 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7680 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7682 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7684 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7686 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7687 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7688 Use <modeconstraint> instead of "r" as operand 1 constraint.
7690 2006-10-06 Olivier Hainque <hainque@adacore.com>
7692 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7693 Don't recurse on the pointed-to type.
7694 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7695 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7696 types with components of variable size.
7698 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7700 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7702 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7704 PR tree-optimization/29290
7705 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7709 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7710 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7713 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7714 the number of vector elements fill the rest with zeros.
7716 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7718 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7719 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7722 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7724 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7725 unnamed pattern into subsi3. Use correct constraints/predicates.
7726 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7727 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7729 2006-10-05 Ira Rosen <irar@il.ibm.com>
7731 * doc/loop.texi: Add data references analysis description.
7733 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7735 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7737 2006-10-04 Richard Henderson <rth@redhat.com>
7738 Jakub Jelinek <jakub@redhat.com>
7740 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7741 * builtin-types.def (BT_WORD): Make unsigned.
7742 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7743 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7744 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7745 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7746 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7747 * cgraph.c (decide_is_variable_needed): Look at force_output.
7748 Recurse for emulated tls.
7749 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7750 checks redundant with decide_is_variable_needed.
7751 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7752 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7754 * expr.c (emutls_var_address): New.
7755 (expand_expr_real_1): Expand emulated tls.
7756 (expand_expr_addr_expr_1): Likewise.
7757 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7758 * output.h (emutls_finish): Declare.
7759 * toplev.c (compile_file): Call it.
7760 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7761 address before wrapping in CONST.
7762 * varasm.c (emutls_htab, emutls_object_type): New.
7763 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7764 (get_emutls_object_name, get_emutls_object_type): New.
7765 (get_emutls_init_templ_addr, emutls_decl): New.
7766 (emutls_common_1, emutls_finish): New.
7767 (assemble_variable): When emulating tls, swap decls; generate
7768 constructor for the emutls objects.
7769 (do_assemble_alias): When emulating tls, swap decl and target name.
7770 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7772 * emutls.c: New file.
7773 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7774 tls_object for real tls.
7776 2006-10-04 Zack Weinberg <zackw@panix.com>
7778 Fix bug in constraint-check generator, reported by Rask Ingemann
7780 * genpreds.c (add_constraint): Don't remove anything from the
7782 (write_tm_constrs_h): Detect whether "op" argument is used, and
7783 mark it ARG_UNUSED if it isn't.
7784 (write_insn_const_int_ok_for_constraint): Skip the part of the
7785 expression that would test whether "op" (which is not available
7786 here) is a CONST_INT.
7788 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7791 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7793 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7795 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7796 current Leopard versions.
7797 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7799 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7801 * doc/install.texi: Fix typos.
7803 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7805 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7806 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7807 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7809 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7811 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7812 arg to be struct mach_header_64* instead.
7814 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7817 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7818 side effects after the outer expression's post side effects.
7820 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
7822 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
7823 comments to reflect actual behavior and relationship between
7824 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
7826 * doc/c-tree.texi (Working with declarations): Fix documentation
7827 of FIELD_DECL likewise.
7829 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
7832 * doc/extend.texi: Add used variable attribute description.
7834 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
7837 * c.opt (Woverride-init): New.
7838 * c-opts.c (c_common_post_options): Default warn_override_init to
7840 * c-typeck.c (add_pending_init, output_init_element): Warn for
7841 overriding initializers without side effects.
7842 * doc/invoke.texi (-Woverride-init): Document.
7845 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
7847 PR rtl-optimization/28096
7848 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
7849 assignment has already been used as a destination earlier in the block.
7851 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
7853 * builtins.c (expand_builtin_setjmp): Delete.
7854 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
7855 <BUILT_IN_SETJMP_SETUP>: New case.
7856 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
7857 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
7858 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
7859 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
7860 (BUILT_IN_SETJMP_RECEIVER): Likewise.
7861 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
7862 (lower_function_body): Initialize it to false. If it is set to true
7863 at the end of the processing, emit the setjmp dispatcher.
7864 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
7865 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
7866 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
7867 on the rhs of the assignment.
7868 (lower_builtin_setjmp): New function.
7869 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
7870 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
7871 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
7872 to detect calls that can go to non-local labels. Use specific
7873 helper to create the abnormal edges associated with them.
7874 <MODIFY_EXPR>: Likewise.
7875 (make_abnormal_goto_edges): New function extracted from...
7876 (make_goto_expr_edges): ...here. Call it for computed gotos.
7877 (simple_goto_p): Minor tweak.
7878 (tree_can_make_abnormal_goto): New predicate.
7879 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
7880 (tree_purge_dead_abnormal_call_edges): New function.
7881 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
7882 (tree_purge_dead_abnormal_call_edges): Likewise.
7883 (make_abnormal_goto_edges): Likewise.
7884 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
7885 Purge all dead abnormal edges if the call was in the last statement.
7886 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
7887 (execute_fixup_cfg): If there are non-local labels in the function,
7888 scan the basic blocks and split them at calls that can go to non-local
7889 labels or add missing abnormal call edges. Write down the CFG in the
7891 (pass_fixup_cfg): Remove TODO_dump_func flag.
7892 * unwind-sjlj.c: Poison setjmp.
7893 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
7894 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
7895 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
7896 (DONT_USE_BUILTIN_SETJMP): Document it.
7898 2006-09-28 Geoffrey Keating <geoffk@apple.com>
7901 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
7902 to 1 when __ppc64__ is defined.
7903 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
7905 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
7907 2006-09-28 Steve Ellcey <sje@cup.hp.com>
7909 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
7910 * config/ia64/unwind-hpux.c: Delete.
7912 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
7914 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
7915 on the element before gimplifying it, instead of punting if it is of
7918 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
7920 * doc/loop.texi: New file.
7921 * doc/gccint.texi: Reference loop.texi.
7922 * Makefile.in (loop.texi): Add.
7924 2006-09-27 Geoffrey Keating <geoffk@apple.com>
7926 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
7928 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7929 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
7931 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
7933 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
7935 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
7937 * doc/install.texi: Document required versions of GMP and MPFR.
7939 2006-09-27 Paul Brook <paul@codesourcery.com>
7942 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
7944 2006-09-27 Richard Sandiford <richard@codesourcery.com>
7946 * reload1.c (alter_reg): Require the alignment of the stack slot to
7947 be at least reg_max_ref_width bytes.
7948 (scan_paradoxical_subregs): Record the largest width in
7951 2006-09-26 Jakub Jelinek <jakub@redhat.com>
7955 * tree-nested.c (struct nesting_info): Added static_chain_added.
7956 (convert_call_expr): Set static_chain_added when adding static
7957 chain. Handle OMP_PARALLEL and OMP_SECTION.
7959 2006-09-25 Matthias Klose <doko@debian.org>
7961 * doc/invoke.texi: Add missing full stop.
7963 2006-09-25 Richard Henderson <rth@redhat.com>
7965 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
7966 before cgraph_function_flags_ready.
7968 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
7969 Adam Nemet <anemet@caviumnetworks.com>
7971 * tree-ssa-loop-ivopts.c (aff_combination_convert,
7972 determine_common_wider_type): New functions.
7973 (get_computation_aff): Use them to simplify arithmetic between
7974 UBASE and CBASE if they are shortened from the same type.
7976 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
7979 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
7980 -2147483647 - 1 instead of 0x80000000.
7982 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
7984 * flags.h (HONOR_NANS): Fix typo in comment.
7986 2006-09-23 Uros Bizjak <uros@kss-loka.si>
7988 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
7990 2006-09-23 Jakub Jelinek <jakub@redhat.com>
7994 * tree.c (merge_attributes, attribute_list_contained): If both
7995 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
7997 * c-typeck.c (comptypes_internal): Don't consider aggregates
7998 in different TUs as compatible if there one set of attributes is
7999 not a subset of the other type's attributes.
8000 (composite_type): Try harder not to create a new aggregate type.
8002 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8004 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8005 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8006 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8007 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8008 than replicating condition above.
8009 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8011 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8012 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8013 the linker by default.
8015 2006-09-22 Mike Stump <mrs@apple.com>
8017 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8020 2006-09-22 Richard Guenther <rguenther@suse.de>
8023 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8024 sort of stack variables stable.
8026 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8029 * explow.c (force_reg): Set REG_POINTER flag according to
8032 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8034 PR tree-optimization/28888
8035 * tree-if-conv.c (combine_blocks): Rewritten.
8036 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8037 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8039 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8041 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8044 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8046 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8048 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8050 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8052 2006-09-21 Roger Sayle <roger@eyesopen.com>
8055 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8056 dw_fde_current_label, to be the start of the function, i.e. the same
8057 value as dw_fde_begin.
8059 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8061 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8062 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8063 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8064 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8065 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8066 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8067 (abs<mode>2, neg<mode>2): Likewise.
8068 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8069 (*mips_abs_ps): New define_insn.
8071 2006-09-20 Josh Conner <jconner@apple.com>
8074 * calls.c (expand_call): Allow reuse of structure return stack
8077 2006-09-20 Paul Brook <paul@codesourcery.com>
8079 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8082 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8084 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8085 clean up terminology.
8087 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8090 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8091 with tablejumps in them.
8093 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8096 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8097 wrap it into TARGET_EXPR.
8099 2006-09-20 Eric Christopher <echristo@apple.com>
8101 * config/i386/i386.c (x86_fisttp): Remove.
8102 * config/i386/i386.h (x86_fisttp): Ditto.
8103 (TARGET_FISTTP): Ditto.
8105 2006-09-19 Eric Christopher <echristo@apple.com>
8107 * doc/tm.texi (OBJC_JBLEN): Describe.
8108 * config/i386/darwin.h (OBJC_JBLEN): Define.
8109 * config/rs6000/darwin.h: Ditto.
8111 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8113 PR rtl-optimization/21299
8114 * reload1.c (reload): Purge invalid ASMs in the final pass.
8116 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8119 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8120 pointers as legitimate constants.
8122 2006-09-19 Paul Brook <paul@codesourcery.com>
8125 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8127 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8129 PR tree-optimization/28887
8130 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8131 component parts from the reference.
8132 (gather_memory_references_ref): Record the reference without the
8133 nonaddressable component parts.
8135 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8138 * c-opts.c (c_common_handle_option): Ignore the -std options
8139 if the input language is assembly.
8141 2006-09-17 Ira Rosen <irar@il.ibm.com>
8144 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8146 (ptr_ptr_may_alias_p): Likewise.
8147 (record_record_differ_p): New function.
8148 (base_object_differ_p): Call record_record_differ_p.
8150 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8153 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8154 away for the expr argument.
8156 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8159 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8160 before using it for dumping after vectorizing loops.
8162 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8163 Jack Howarth <howarth@bromo.med.uc.edu>
8166 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8167 skip on error_mark_node.
8168 (rs6000_darwin64_record_arg_recurse): Likewise.
8170 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8172 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8173 * doc/rtl.texi: Remove related documentation.
8175 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8177 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8180 2006-09-15 Jim Wilson <wilson@specifix.com>
8182 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8183 Handle symbol offsets same as they are handled in ia64_expand_move
8186 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8188 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8189 Add forgotten parameter to the fprintf call.
8191 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8193 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8195 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8197 * doc/contrib.texi: Add my entry.
8199 2006-09-15 Nick Clifton <nickc@redhat.com>
8201 * doc/md.texi (Processor pipeline description): Fix typo in
8202 example of how to use the absence_set directive and reword the
8203 description to make it slightly easier to read.
8205 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8207 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8208 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8209 expanding the number of iterations.
8210 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8212 * cfgrtl.c (emit_insn_at_entry): New function.
8213 * rtl.h (emit_insn_at_entry): Declare it.
8214 * integrate.c (emit_initial_value_sets): Use it.
8216 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8218 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8220 (struct loop_work and related VEC declarations): Delete.
8221 (bfin_dump_loops): Print out new member bad.
8222 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8223 (bfin_scan_loop): Don't recurse.
8224 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8225 loops. No longer need to update outer loops if the current one is
8226 found bad. Move some validitiy checks to bfin_discover_loop.
8227 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8228 but changed not to check for nesting. Also changed to use the new bad
8230 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8231 time. Use bitmap based test to discover loop nesting.
8233 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8235 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8238 2006-09-14 Richard Guenther <rguenther@suse.de>
8239 Kazu Hirata <kazu@codesourcery.com>
8241 PR middle-end/28884.
8242 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8243 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8244 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8245 with TARGET_FUNCTION_VALUE.
8247 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8250 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8252 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8254 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8257 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8260 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8263 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8265 * basic_block.h (bb_has_eh_pred): Fix comment.
8267 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8269 * flow.c (calculate_global_regs_live): Invalidate eh registers
8270 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8271 (propagate_block): Handle eh registers as if they were set at basic
8273 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8275 * global.c (global_conflicts): Make eh registers to conflict with
8276 pseudos live at basic block begin.
8277 * basic_block.h (bb_has_eh_pred): New function.
8279 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8281 PR rtl-optimization/28982
8282 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8283 index of a PRE_MODIFY or POST_MODIFY address.
8284 * reload1.c (inc_for_reload): Use find_replacement on the original
8285 base and index registers.
8287 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8289 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8290 for -Os. Update __m128 alignment requirement.
8292 2006-09-13 Jan Hubicka <jh@suse.cz>
8294 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8296 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8298 PR rtl-optimization/28243
8299 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8300 the insn to which the note was originally attached.
8302 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8303 Roger Sayle <roger@eyesopen.com>
8305 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8306 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8307 on platforms that don't use dwarf for debug info.
8309 2006-09-12 Jason Merrill <jason@redhat.com>
8312 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8313 hard_frame_pointer_rtx after using it to update the frame pointer.
8315 2006-09-12 Roger Sayle <roger@eyesopen.com>
8317 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8318 (TARGET_ASM_CLOSE_PAREN): Likewise.
8319 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8320 (TARGET_ASM_CLOSE_PAREN): Likewise.
8322 2006-09-12 Roger Sayle <roger@eyesopen.com>
8325 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8326 frame information for frames larger than 512 Kbytes on Tru64 when
8327 using the native assembler.
8329 2006-09-12 Roger Sayle <roger@eyesopen.com>
8333 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8334 and symbols. Instead use the implementation from cse.c's hash_rtx.
8336 2006-09-12 Jan Hubicka <jh@suse.cz>
8338 PR rtl-optimization/28071
8339 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8340 (vect_transform_loop): Likewise.
8341 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8342 (new_loop_vec_info): Likewise.
8343 (destroy_loop_vec_info): Likewise.
8344 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8345 (create_stmt_ann): Likewise.
8346 (create_tree_ann): Rename to ...
8347 (create_tree_common_ann): ... this one; allocate only the common part
8349 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8350 (get_value_handle): Likewise.
8351 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8352 get_tree_common_ann.
8353 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8354 (vinfo_for_stmt): Use stmt annotations.
8355 * tree-flow.h (tree_ann_common_t): New type.
8356 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8357 (tree_ann, get_tree_ann, create_tree_ann): New.
8358 * tree-flow-inline.h (get_function_ann): Do more type checking.
8359 (stmt_ann): Likewise.
8360 (tree_ann): Rename to ...
8361 (tree_common_ann): ... this one; return ony common_ann
8362 (get_tree_ann): Rename to ...
8363 (tree_common_ann): This one; return only common_ann.
8364 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8367 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8369 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8370 with_cpu by default.
8372 * dwarf2out.c (dwarf_file_data): New.
8373 (enum dw_val_class): Add dw_val_class_file.
8374 (struct dw_val_struct): Add val_file.
8375 (file_table): Change to a hash table.
8376 (file_table_emitted): Delete.
8377 (file_table_last_lookup_index): Delete.
8378 (emitcount): Delete.
8379 (last_emitted_file): New.
8380 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8381 (init_file_table): Delete.
8382 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8383 (AT_addr): Add comment.
8387 (print_die): Handle dw_val_class_file.
8388 (print_dwarf_line_table): Update for new file table structure.
8389 (attr_checksum): Do checksum a filename.
8390 (same_dw_val_p, same_attr_p): Do compare a filename.
8391 (size_of_die): Handle dw_val_class_file.
8392 (value_format): Likewise.
8393 (output_die): Likewise. Also, call maybe_emit_file here.
8394 (struct file_info): Constify filenames. Make file_idx a pointer
8395 to a struct dwarf_file_data.
8396 (struct dir_info): Constify directory names. Remove 'used' field.
8397 (struct file_name_acquire_data): New.
8398 (file_name_acquire): New.
8399 (output_file_names): Modify to handle new file data structures.
8400 (add_src_coords_attributes): Use add_AT_file.
8401 (add_call_src_coords_attributes): Likewise.
8402 (dwarf2out_imported_module_or_decl): Likewise.
8403 (gen_subprogram_die): Modify for new file data structures.
8404 (gen_variable_die): Likewise.
8405 (file_table_eq): New.
8406 (file_table_hash): New.
8407 (file_table_last_lookup): New.
8408 (lookup_filename): Rewrite to handle new file data structures.
8409 (maybe_emit_file): Rewrite to handle new file data structures.
8410 (dwarf2out_source_line): Always call lookup_filename and
8412 (dwarf2out_init): Create file_table here.
8413 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8414 (file_table_relative_p): New.
8415 (dwarf2out_finish): Change detection of relative filenames
8416 to work with new file data structures. Move output_line_info call
8417 after debug_info output.
8419 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8424 * config/i386/i386.c (override_options): Always default to 16
8425 byte stack boundary.
8427 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8430 * var-tracking.c (dump_dataflow_set): Start dumping at
8432 (clobber_variable_part): Kill only the variable part in
8433 registers holding it, leaving other variables alone.
8435 2006-09-11 Josh Triplett <josh@freedesktop.org>
8437 * doc/extend.texi (Other Builtins): Actually use the macro
8438 argument in the documentation example for
8439 __builtin_types_compatible_p.
8441 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8443 PR rtl-optimization/28726
8444 * sched-deps.c (sched_analyze_reg): New function extracted from...
8445 (sched_analyze_1): ...here. Call it to analyze references to
8446 registers. Treat again writes to a stack register as writing to the
8448 (sched_analyze_2): ...and here. Call it to analyze references to
8449 registers. Treat again reads of a stack register as reading the
8452 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8453 David Edelsohn <edelsohn@gnu.org>
8456 * config/rs6000/spe.md (frob_df_di): Remove %H.
8457 (frob_di_df): Remove %H. Change evmergelo to mr.
8458 (frob_di_df_2): Remove %H. Change evldd to two loads.
8460 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8462 * doc/cpp.texi: Fix names of charset options.
8464 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8467 * config/i386/i386.c (override_options): Use 128-bit
8468 stack boundary always for 64bits.
8470 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8472 PR rtl-optimization/28636
8473 * combine.c (force_to_mode): Test for side-effects before
8474 substituting by zero.
8475 (simplify_shift_const): Likewise for zero or other constants.
8477 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8480 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8483 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8486 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8487 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8488 returned by mode_for_size, rather than the mode of src itself,
8489 to choose between 32-bit and 64-bit patterns.
8490 (mips_mem_fits_mode_p): New function.
8491 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8492 that the size of the source matches the size of the destination.
8493 (mov_<store>l, mov_<store>r): Likewise.
8495 2006-09-10 Eric Christopher <echristo@apple.com>
8497 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8500 2006-09-09 Eric Christopher <echristo@apple.com>
8503 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8506 2006-09-09 Roger Sayle <roger@eyesopen.com>
8507 Nicolas Setton <setton@adacore.com>
8509 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8511 2006-09-10 Andreas Schwab <schwab@suse.de>
8513 * config/m68k/m68k.md (bungt_rev): New pattern.
8515 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8516 Dale Johannesen <dalej@apple.com>
8519 * regclass.c (struct reg_pref): Update documentation.
8520 (regclass): Set prefclass to NO_REGS if memory is the best option.
8521 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8523 2006-09-08 Eric Christopher <echristo@apple.com>
8525 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8526 * config/t-slibgcc-darwin: Support x86_64 multilib.
8527 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8528 Return 1 for x86_64-darwin.
8529 * config/i386/t-darwin: Add m64 multilib.
8530 (LIB2_SIDITI_CONV_FUNCS): Use.
8531 (LIB2FUNCS_EXTRA): Ditto.
8532 * config/i386/darwin.h: Support x86_64.
8533 * config/i386/i386.c (override_options): Turn on flag_pic
8534 for x86_64-darwin. Disable flag_omit_pointer.
8535 (get_pc_thunk_name): Assert !TARGET_64BIT.
8536 (legitimate_address_p): Disable machopic addressing for
8538 (legitimize_pic_address): Ditto.
8539 (ix86_expand_move): Ditto.
8540 (ix86_expand_call): Ditto.
8541 (machopic_output_stub): Ditto.
8542 * config/darwin.c (machopic_select_section): Support literal16.
8543 (machopic_select_rtx_section): Ditto.
8544 * config/darwin-sections.def: Ditto.
8545 * config/darwin-64.c: New.
8547 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8550 * c-tree.h (struct c_arg_info): Add pending_sizes.
8551 * c-parser.c (c_parser_parms_declarator,
8552 c_parser_parms_list_declarator): Initialize pending_sizes.
8553 * c-decl.c (get_parm_info): Initialize pending_sizes.
8554 (get_parm_info): Set pending_sizes.
8555 (grokdeclarator): Call put_pending_sizes for parameters for
8556 function definition only.
8558 2006-09-07 Jason Merrill <jason@redhat.com>
8561 * varasm.c (output_constant): Only strip actual no-op conversions.
8564 * config/i386/i386.c (override_options): Use 128-bit
8565 stack boundary if -msse.
8567 2006-09-07 Eric Christopher <echristo@apple.com>
8569 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8571 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8574 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8576 * dwarf2out.c: Remove strange characters from comment above
8577 dwarf2out_frame_debug_expr.
8579 2006-09-07 Eric Christopher <echristo@apple.com>
8581 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8582 * config/darwin.h: ... to here.
8584 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8586 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8588 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8589 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8591 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8592 TARGET_PARTIAL_FLAG_REG_STALL.
8593 (*ashldi3_cconly_rex64): Likewise.
8594 (*ashlsi3_cmp): Likewise.
8595 (*ashlsi3_cconly): Likewise.
8596 (*ashlsi3_cmp_zext): Likewise.
8597 (*ashlhi3_cmp): Likewise.
8598 (*ashlhi3_cconly): Likewise.
8599 (*ashlqi3_cmp): Likewise.
8600 (*ashlqi3_cconly): Likewise.
8601 (*ashrdi3_cmp_rex64): Likewise.
8602 (*ashrdi3_cconly_rex64): Likewise.
8603 (*ashrsi3_cmp): Likewise.
8604 (*ashrsi3_cconly): Likewise.
8605 (*ashrsi3_cmp_zext): Likewise.
8606 (*ashrhi3_cmp): Likewise.
8607 (*ashrhi3_cconly): Likewise.
8608 (*ashrqi3_cmp): Likewise.
8609 (*ashrqi3_cconly): Likewise.
8610 (*lshrdi3_cmp_rex64): Likewise.
8611 (*lshrdi3_cconly_rex64): Likewise.
8612 (*lshrsi3_cmp): Likewise.
8613 (*lshrsi3_cconly): Likewise.
8614 (*lshrsi3_cmp_zext): Likewise.
8615 (*lshrhi3_cmp): Likewise.
8616 (*lshrhi3_cconly): Likewise.
8617 (*lshrqi2_cmp): Likewise.
8618 (*lshrqi2_cconly): Likewise.
8620 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8623 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8624 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8625 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8626 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8627 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8628 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8629 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8630 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8631 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8632 implement only CC setting effects of shift instructions.
8634 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8636 * doc/contrib.texi: Add myself.
8638 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8641 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8642 was set by the user.
8644 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8647 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8648 (divsi_inv_m1): Use them.
8649 (UNSPEC_DIV_INV_TABLE): New constant.
8651 2006-09-06 James E Wilson <wilson@specifix.com>
8654 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8655 then call count_or_remove_death_notes.
8657 2006-09-06 Jason Merrill <jason@redhat.com>
8660 * tree-inline.c (copy_result_decl_to_var): New fn.
8661 (declare_return_variable): Use it. Call declare_inline_vars here.
8662 (expand_call_inline): Not here.
8664 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8666 * doc/contrib.texi: Update my entry.
8668 2006-09-06 Nick Clifton <nickc@redhat.com>
8670 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8672 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8675 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8676 (canonicalize_induction_variables): Likewise.
8677 (tree_unroll_loops_completely): Likewise.
8678 (tree_ssa_prefetch_arrays): Likewise.
8679 (remove_empty_loops): Likewise.
8680 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8681 TODO_cleanup_cfg instead of directly calling
8682 cleanup_tree_cfg_loop.
8683 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8685 (tree_unroll_loops_completely): Likewise.
8686 (remove_empty_loops): Likewise.
8687 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8688 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8689 of tree_ssa_unswitch_loops.
8690 (tree_ssa_loop_ivcanon): Use the return value of
8691 canonicalize_induction_variables.
8692 (tree_ssa_empty_loop): Use the return value of
8694 (tree_complete_unroll): Use the return value of
8695 tree_unroll_loops_completely.
8696 (tree_ssa_loop_prefetch): Use the return value of
8697 tree_ssa_prefetch_arrays.
8698 * passes.c (execute_todo): Before Cleanup CFG, set
8699 updating_used_alone and after cleanup CFG, call
8700 recalculate_used_alone.
8702 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8705 * tree-vect-transform.c (vectorizable_condition): Move the check
8706 for the type after the check for simple condition.
8708 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8709 Kaz Kojima <kkojima@gcc.gnu.org>
8712 * mode-switching.c (optimize_mode_switching): Make the destination
8713 block of an abnormal edge have no anticipatable mode. Don't
8714 insert mode switching code at the end of the source block of
8717 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8719 PR rtl-optimization/26847
8720 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8721 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8722 (simplify_plus_minus): Count n_constants while filling ops. Replace
8723 qsort with insertion sort. Before going through the array to simplify
8724 pairs, sort it. Delay early exit until after the first sort, exiting
8725 only if no swaps occurred. Simplify pairs in reversed order, without
8726 special-casing the first iteration. Pack ops after simplifying pairs.
8728 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8730 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8731 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8732 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8733 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8735 2006-09-05 Richard Guenther <rguenther@suse.de>
8737 PR tree-optimization/28900
8738 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8739 compound conditional before creating COND_EXPR condition.
8741 2006-09-05 Richard Guenther <rguenther@suse.de>
8743 PR tree-optimization/28905
8744 * tree-vrp.c (fix_equivalence_set): Manually implement
8745 !value_ranges_intersect_p to also handle symbolic ranges.
8747 2006-09-05 Richard Guenther <rguenther@suse.de>
8750 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8753 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8755 PR rtl-optimization/27616
8756 * cse.c (table_size): New static variable.
8757 (new_basic_block): Initialize it to 0.
8758 (remove_from_table): Decrement it.
8759 (insert): Increment it.
8760 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8761 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8762 fold_rtx_mem_1 if under the cap.
8763 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8764 the lookup of the equivalent expression and test for equality of the
8765 first operand of the equivalent expression before in turn looking up
8766 an equivalent constant for the second operand.
8768 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8771 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8772 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8773 pointer, instead of assuming it is possible to derive the
8774 correct args size from a call insn.
8776 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8779 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8780 (fold_builtin_mempcpy): Rename to...
8781 (fold_builtin_memory_op): ... this. Optimize one element copy
8783 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8785 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8786 (expand_builtin_memcpy, expand_builtin_mempcpy,
8787 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8788 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8789 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8790 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8792 2006-09-01 DJ Delorie <dj@redhat.com>
8794 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8795 (stzx_16): Likewise.
8796 ("stzx_24_<mode>"): Likewise.
8797 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8798 ("cmp<mode>_op"): New.
8799 (cmp<mode>): Change to expander; just save operands.
8801 (b<code>): Change to expander, emit compare here.
8802 (s<code>_op): Change to use split and expander.
8803 (s<code>_24_op): Likewise.
8804 (s<code>_<mode>): New.
8805 (s<code>_<mode>_24): New.
8806 (movqicc_<code>_<mode): New.
8807 (movhicc_<code>_<mode>): New.
8810 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8811 (m32c_pend_compare): New.
8812 (m32c_unpend_compare): New.
8813 (m32c_expand_scc): New.
8814 (m32c_expand_movcc): Emit the compare also.
8815 * config/m32c/predicates.md (mra_nopp_operand): New.
8817 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8818 Richard Guenther <rguenther@suse.de>
8819 Adam Nemet <anemet@caviumnetworks.com>
8822 * builtins.c (get_pointer_alignment): Handle more forms
8823 of base addresses that can be used to derive more precise
8824 information about alignment.
8826 2006-09-01 Jason Merrill <jason@redhat.com>
8829 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
8832 * gimplify.c (voidify_wrapper_expr): Handle null type.
8834 2006-09-01 Josh Conner <jconner@apple.com>
8837 * tree-nrv.c (dest_safe_for_nrv_p): New function.
8838 (execute_return_slot_opt): Use it.
8840 2006-08-31 Josh Conner <jconner@apple.com>
8843 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
8844 returning aggregates.
8846 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
8848 PR tree-optimization/28839
8849 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
8850 blocks in that phi arguments appear.
8852 2006-08-31 Roger Sayle <roger@eyesopen.com>
8855 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
8856 NULL, otherwise use an advance_loc4 to adjust relative to the
8858 (output_cfi) <DW_CFA_set_loc>: Update the current label.
8859 (dwarf2out_switch_text_section): Reset the current label to avoid
8860 using advance_loc4 over section boundaries.
8862 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
8865 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
8866 r12 + SYMBOLIC_CONST.
8868 2006-08-30 Richard Guenther <rguenther@suse.de>
8870 * Makefile.in (see.o): Add $(EXPR_H) dependency.
8872 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
8874 PR rtl-optimization/27735
8875 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
8876 Add new argument to keep track of whether an irreducible region
8877 was affected. All callers changed.
8878 (fix_irreducible_loops): Removed.
8879 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
8880 flags were invalidated.
8882 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
8884 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
8885 instead of SF operands.
8886 (*fop_df_comm_sse): Likewise.
8887 (*fop_df_comm_i387): Likewise.
8888 (*fop_df_1_mixed): Likewise.
8889 (*fop_df_1_sse): Likewise.
8891 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
8892 J"orn Rennecke <joern.rennecke@st.com>
8894 PR tree-optimization/17506
8895 * tree-ssa.c (warn_uninit): If warning about a location outside of
8896 the current function, note where the variable was declared.
8898 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
8900 PR tree-optimization/28411
8901 * double-int.c (double_int_div): Use double_int_divmod.
8902 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
8903 double_int_mod, double_int_smod, double_int_umod): New functions.
8904 * double-int.h (double_int_divmod, double_int_sdivmod,
8905 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
8907 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
8909 (get_computation_aff, get_computation_cost_at): Handle double_int
8910 return type of constant_multiple_of.
8912 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
8915 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
8916 an implicit conversion.
8918 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
8920 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
8922 2006-08-27 Roger Sayle <roger@eyesopen.com>
8924 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
8927 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
8929 * config/i386/crtfastmath.c: Fix a comment typo.
8931 2006-08-26 Roger Sayle <roger@eyesopen.com>
8933 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
8934 temporary visit flags on CASE_LABEL_EXPRs.
8935 * c-common.c (match_case_to_enum): Add function comment. Avoid
8936 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
8937 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
8938 CASE_HIGH_SEEN for enumerated types. If the switch expression is
8939 a constant, only warn if that constant value isn't handled.
8941 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
8944 * input.h (restore_input_file_stack): Declare.
8945 (INPUT_FILE_STACK_BITS): Define.
8946 * toplev.c (fs_p, input_file_stack_history,
8947 input_file_stack_restored, restore_input_file_stack): New.
8948 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
8949 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
8950 (pop_srcloc): Don't free old state of stack.
8952 2006-08-26 David Edelsohn <edelsohn@gnu.org>
8955 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
8956 (PowerPC Type Attributes): New.
8958 2006-08-26 Bob Wilson <bob.wilson@acm.org>
8960 * config/xtensa/xtensa.c (function_arg_boundary): New.
8961 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
8963 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
8964 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
8966 2006-08-26 Jakub Jelinek <jakub@redhat.com>
8969 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
8972 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8974 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
8975 (verify_local_live_at_start): Likewise.
8977 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8980 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
8981 omp_add_variable): Treat sizes as variable whenever not
8984 2006-08-26 Richard Guenther <rguenther@suse.de>
8987 * fold-const.c (fold_binary): Fold temporary to correct
8988 type before constructing new comparison.
8990 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
8993 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
8994 variable again if DECL_SEEN_IN_BIND_EXPR_P.
8996 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
8999 * c-decl.c (start_function): Don't try to process prototype
9000 information from old declaration that isn't a function.
9002 2006-08-25 Jan Hubicka <jh@suse.cz>
9005 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9007 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9010 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9013 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9015 PR tree-optimization/16876
9016 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9017 exit if PARM doesn't match VALUE.
9019 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9021 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9022 literal_prefix directive.
9023 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9024 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9025 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9027 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9030 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9031 predicate to general_operand. Add 0->y and I->r alternatives.
9033 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9035 * doc/tm.texi: Fix a typo.
9036 * predict.c: Fix comment typos.
9038 2006-08-25 Nick Clifton <nickc@redhat.com>
9040 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9041 assertions of "cpu" and "machine".
9043 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9046 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9047 the access through a base which has an alias set of 0 cannot
9050 2006-08-24 Bill Wendling <wendling@apple.com>
9052 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9054 2006-08-24 Jan Hubicka <jh@suse.cz>
9056 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9058 2006-08-24 Jan Hubicka <jh@suse.cz>
9061 * cgraph.c: Fix comments.
9062 (cgraph_varpool_mark_needed_node): Mark only variables not already
9064 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9065 (cgraph_varpool_assembled_nodes_queue): New static variable.
9066 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9067 (cgraph_varpool_output_debug_info): New function.
9068 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9069 * Makefile.in: Add gt-cgraphunit.h
9071 2006-08-24 Jan Hubicka <jh@suse.cz>
9073 * predict.c (probability_reliable_p): New predicate.
9074 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9075 (predict_loops): Do not predict loop exit with less than 2%
9077 * basic-block.h (edge_probability_reliable_p,
9078 br_prob_note_reliable_p): Declare.
9079 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9080 prediction when static predictor is not reliable.
9081 * rs6000.c (output_cbranch): Likewise.
9083 2006-08-23 Stuart Hastings <stuart@apple.com>
9086 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9087 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9089 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9092 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9093 complex values, nor for generic vector values.
9095 2006-08-22 Richard Guenther <rguenther@suse.de>
9098 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9099 parameter. Convert arguments to arithmetic expression to the
9101 (analyze_scalar_evolution_1): Adjust caller.
9103 2006-08-22 Jan Hubicka <jh@suse.cz>
9105 Patch by Paolo Bonzini
9106 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9109 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9111 PR tree-optimization/28003
9112 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9113 before grouping aliases.
9115 2006-08-22 Roger Sayle <roger@eyesopen.com>
9117 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9118 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9120 2006-08-21 Jason Merrill <jason@redhat.com>
9123 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9124 wrapper. Loop to handle nested wrappers.
9125 (gimplify_bind_expr): Remove temp parameter.
9126 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9127 and STATEMENT_LIST on the rhs.
9128 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9129 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9130 (gimplify_target_expr): Remove special BIND_EXPR handling.
9132 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9134 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9137 2006-08-21 Olivier Hainque <hainque@adacore.com>
9139 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9140 Arrange for the temporary captures of components overlapping the lhs
9141 to happen before the lhs is possibly cleared.
9143 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9145 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9146 necessary places to pass the correct "number of registers" values
9149 2006-08-20 Jan Hubicka <jh@suse.cz>
9151 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9152 (create_name_tags): Instead of quadratic checking use hashtable.
9153 * bitmap.h: Include hashtab.h.
9154 (bitmap_hash): Declare.
9155 * bitmap.c (bitmap_hash): New function.
9157 2006-08-20 Jan Hubicka <jh@suse.cz>
9159 PR rtl-optimization/28071
9160 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9162 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9163 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9164 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9165 cgraph_decide_inlining_incrementally): Update use of
9166 cgraph_check_inline_limits.
9167 * cgraph.c (edge_hash, edge_eq): New function.
9168 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9169 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9170 cgraph_remove_node): Maintain call site hash.
9171 * cgraph.h (struct cgraph_node): Add call_site_hash.
9172 (cgraph_set_call_stmt): New function.
9174 2006-08-20 Jan Hubicka <jh@suse.cz>
9176 PR rtl-optimization/28071
9177 * reload1.c (reg_has_output_reload): Turn into regset.
9178 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9179 choose_reload_regs, emit_reload_insns): Update to new
9180 reg_has_output_reload.
9182 2006-08-20 Jan Hubicka <jh@suse.cz>
9185 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9186 function body sizes.
9187 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9189 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9192 * tree.c (handle_dll_attribute): Return early if not a
9193 var or function decl.
9195 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9198 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9199 alignment of SPE vector types.
9201 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9203 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9205 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9208 * cgraph.h (struct cgraph_node): Remove externally_visible
9210 * cgraphunit.c (process_function_and_variable_attributes): Set
9211 local.externally_visible rather than externally_visible.
9214 * c-common.c (handle_externally_visible_attribute): First look
9215 at TREE_CODE and only if it is function or var decl, check for
9216 non-public objects. Don't warn for DECL_EXTERNAL.
9217 * cgraphunit.c (process_function_and_variable_attributes): Warn
9218 if externally_visible attribute is used on non-public object.
9220 2006-08-17 Jan Hubicka <jh@suse.cz>
9222 PR tree-optimization/27865
9223 * reload1.c (forget_marked_reloads): New function.
9224 (forget_old_reloads_1): When data are passed, just mark the registers
9226 (reload_as_needed): Use the new mechanizm.
9228 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9231 * reload.h (reg_equiv_alt_mem_list): New declaration.
9232 * reload1.c (reg_equiv_alt_mem_list): New definition.
9233 (reload): Initialize it and release it.
9234 (delete_output_reload): Use it.
9235 * reload.c (push_reg_equiv_alt_mem): New function.
9236 (find_reloads_toplev): Call it.
9237 (find_reloads_address, find_reloads_address_1): Likewise.
9238 (find_reloads_subreg_address): Likewise.
9240 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9242 PR rtl-optimization/28489
9243 * sched-ebb.c (begin_schedule_ready): Create basic block
9245 (advance_target_bb): Skip empty blocks.
9246 * haifa-sched.c (bb_note): Make global.
9247 * sched-int.h (bb_note): Add prototype.
9249 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9251 PR tree-optimization/27865
9252 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9254 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9255 fold_used_pointer, pointer_used_p): New functions.
9256 (analyze_scalar_evolution_1): Use fold_used_pointer.
9257 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9258 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9261 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9264 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9265 or the INTEGER_CST. Fail on a CALL_EXPR.
9266 (fold_offsetof): Pass new argument to fold_offsetof_1.
9267 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9268 operand into an INDIRECT_REF.
9269 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9271 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9273 PR gcov/profile/26570
9274 * value-prof.c (static_values): Removed.
9275 (tree_find_values_to_profile): Do not set static_values.
9276 (find_values_to_profile): Do not free static_values.
9277 * profile.c (instrument_values): Do not free the values.
9278 (branch_prob): Free the values.
9280 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9282 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9284 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9287 * c-typeck.c (build_component_ref): Combine qualifiers of
9288 structure or union and field.
9290 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9292 PR rtl-optimization/28071
9293 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9294 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9295 * tree-into-ssa.c (struct dom_dfsnum): New.
9296 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9298 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9299 compute_global_livein.
9300 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9301 in phi nodes in the correct blocks.
9303 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9305 PR tree-optimization/28364
9306 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9308 (fold_affine_expr): New function.
9309 (may_eliminate_iv): Use fold_affine_expr.
9311 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9314 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9317 2006-08-16 Mike Stump <mrs@apple.com>
9319 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9320 * doc/cppopts.texi (-MD): Likewise.
9322 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9325 * c-common.c (handle_weak_attribute): Ignore and warn if
9326 not a FUNCTION_ or VAR_DECL.
9328 2006-07-15 Mike Stump <mrs@apple.com>
9331 * c-parser.c (c_parser_typeof_specifier): Don't use
9332 c_finish_expr_stmt, open code desired semantics instead.
9334 2006-08-15 Nick Clifton <nickc@redhat.com>
9336 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9337 fragment to tmake_file only if threads are enabled.
9338 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9339 * config/i386/t-gthr-win32: New file. ... here.
9341 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9344 * c-parser.c (c_parser_compound_statement_nostart): Reset
9345 parser->error after each statement.
9347 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9350 * omp-low.c (lower_omp_parallel): Convert t to
9351 receiver_decl's type.
9352 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9353 source before comparison.
9356 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9357 to itype in assignment to oldival2.
9359 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9363 * c-typeck.c (build_compound_expr): If the second expression
9364 is an error mark, then just return an error mark instead of
9365 creating a COMPOUND_EXPR.
9367 2006-07-14 Mike Stump <mrs@apple.com>
9369 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9371 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9373 * c-decl.c, var-tracking.c: Fix comment typos.
9375 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9377 PR rtl-optimization/28634
9378 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9379 for floating-point modes unless flag_unsafe_math_optimizations.
9381 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9382 Andrew Pinski <pinskia@physics.uc.edu>
9385 * tree.c (build_array_type): Unify array types with
9386 unspecified index_type.
9387 * c-decl.c (grokdeclarator): Make sure we do not modify a
9388 unified incomplete array type.
9389 * c-typeck.c (store_init_value): Create distinct type before
9390 filling in the index type in an initializer from a compound
9393 * c-decl.c (grokdeclarator): Remove code where we copy the
9396 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9398 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9399 into account for TODO_dump_cgraph.
9400 (TODO_update_ssa_no_phi): Likewise.
9401 (TODO_update_ssa_full_phi): Likewise.
9402 (TODO_update_ssa_only_virtuals): Likewise.
9403 (TODO_remove_unused_locals): Likewise.
9404 (TODO_set_props): Likewise.
9405 (TODO_update_stmt_usage): Likewise.
9407 2006-08-13 Dirk Mueller <dmueller@suse.de>
9409 * c-common.c (strict_aliasing_warning): Fix formatting.
9411 2006-08-13 Matthias Klose <doko@debian.org>
9413 * doc/invoke.texi: Fix spelling errors.
9415 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9417 PR rtl-optimization/23454
9418 * reorg.c (relax_delay_slots): Update comment.
9420 2006-08-11 Richard Guenther <rguenther@suse.de>
9423 * simplify-rtx.c (simplify_const_relational_operation):
9424 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9427 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9429 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9430 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9432 2006-08-10 Paul Brook <paul@codesourcery.com>
9434 * final.c (final_scan_insn): Clear current_insn_predicate before
9435 outputting inline asm.
9437 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9439 PR tree-optimization/26197
9440 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9441 get_ref_base_and_extent and overlap_subvar to add only relevant
9442 subvars as may-aliases.
9443 (add_may_alias_for_new_tag): New function, factored out of
9445 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9446 with additional argument.
9447 * tree-flow.h (new_type_alias): Takes additional argument.
9449 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9451 * gcov.c (no_data_file): New flag.
9452 (read_count_file): Set it if data file not present. Assume counts
9454 (output_lines): Don't name the data file, if there wasn't one.
9456 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9458 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9459 (rs6000_generate_compare): Tweak comments.
9460 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9462 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9464 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9465 (var_debug_decl): New function.
9466 (var_reg_set): Follow debug decl link. Add location even if
9467 reg is already known to hold some other variable.
9468 (var_mem_set): Follow debug decl link.
9469 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9470 decl link. Delete other known locations of the variable part
9472 (var_reg_delete, var_mem_delete): Delete other known locations
9473 of the variable part if requested.
9474 (same_variable_part_p): New function.
9475 (add_stores): Select MO_COPY when appropriate.
9476 (vt_initialize): Handle it.
9477 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9478 known locations for MO_SET and MO_CLOBBER.
9479 (find_variable_location_part): New function.
9480 (set_variable_part, delete_variable_part): Use it.
9481 (clobber_variable_part): New function.
9482 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9485 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9487 PR tree-optimization/26969
9488 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9489 with an empty list of PHIs.
9491 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9495 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9498 2006-08-06 Andreas Schwab <schwab@suse.de>
9500 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9501 string. Whitespace and comment fixup.
9503 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9506 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9510 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9513 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9515 2006-08-04 Jan Hubicka <jh@suse.cz>
9519 * reload.c (push_reload): Patch out the mismatching instruction;
9521 (find_reload): Bail out if the instruction was patched out.
9523 2006-08-04 Jan Hubicka <jh@suse.cz>
9525 PR tree-optimization/24888
9526 * tree-inline.c (expand_call_inline): Do not re-record variables.
9527 (declare_inline_vars): Add variable to unexpanded_var_list.
9529 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9530 Roger Sayle <roger@eyesopen.com>
9532 PR rtl-optimization/26244
9533 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9534 inner_const are negative or greater than or equal to the bitsize of
9535 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9536 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9537 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9538 CONST0_RTX (mode) when the new shift count is greater than or equal to
9539 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9542 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9544 * tree-cfg.c: Fix a comment typo.
9546 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9549 * varasm.c (output_constant): Give the front end another chance to
9550 expand constants, after stripping NOPs.
9552 2006-08-03 Jan Hubicka <jh@suse.cz>
9554 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9557 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9559 PR tree-optimization/27770
9560 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9561 declaration removed (moved to tree-flow.h).
9562 (vect_can_force_dr_alignment_p): Likewise.
9563 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9564 (moved from tree-vectorizer.h).
9565 (vect_can_force_dr_alignment_p): Likewise.
9566 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9567 from outside the vectorizer - in particular from cgraph stage.
9568 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9569 the alignment of global arrays when -fsection-anchors is enabled.
9570 * cgraphunit.c (cgraph_increase_alignment): New function.
9571 (cgraph_optimize): Call cgraph_increase_alignment.
9573 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9576 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9577 not reload a SPE symbol_ref into a lo_sum address.
9579 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9582 * dwarf2out.c (prune_unused_types_prune): Move call to
9583 prune_unused_types_update_strings to cover the parent DIE also.
9585 2006-08-02 Jan Hubicka <jh@suse.cz>
9587 PR gcov/profile/28480
9588 * tree-cfg.c (change_bb_for_stmt): New function.
9589 (tree_merge_blocks, tree_split_blocks): Use it.
9591 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9597 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9598 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9599 (cgraph_optimize): Likewise.
9601 2006-08-01 Stuart Hastings <stuart@apple.com>
9603 * rtl.h (UINTVAL) New.
9604 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9605 * testsuite/gcc.dg/20060801-1.c: New.
9607 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9610 * c-typeck.c (build_external_type): Mark used enum types.
9611 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9613 (gen_subprogram_die): Whitespace fix.
9615 2006-08-01 Jan Hubicka <jh@suse.cz>
9617 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9618 bitmap when not needed.
9619 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9622 2006-08-01 Dirk Mueller <dmueller@suse.de>
9624 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9626 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9628 * Makefile.in: Revert part of previous patch:
9629 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9632 2006-07-30 Eric Christopher <echristo@apple.com>
9635 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9636 (PowerPC Variable Attributes): New section.
9638 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9640 PR target/28126 (partial fix)
9641 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9643 2006-07-28 Jan Hubicka <jh@suse.cz>
9645 PR rtl-optimization/28071
9646 * cfgrtl.c (rtl_delete_block): Free regsets.
9647 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9649 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9651 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9652 and variables used in dependencies.
9654 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9656 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9657 %fs for -mcmodel=kernel.
9658 (stack_tls_protect_test_di): Likewise.
9660 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9662 * Makefile.in: Use mkinstalldirs.
9664 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9667 * opts-common.c (prune_options): Skip joined switches.
9669 2006-07-27 Jan Hubicka <jh@suse.cz>
9671 PR rtl-optimization/28071
9672 * cselib.c (cselib_process_insn): Don't remove useless values too
9673 often for very large hashtables.
9675 2006-07-27 Jan Hubicka <jh@suse.cz>
9677 PR rtl-optimization/28071
9678 * global.c (greg_obstack): New obstack.
9679 (allocate_bb_info): Use it.
9680 (free_bb_info): Likewise.
9681 (modify_reg_pav): Likewise.
9683 2006-07-27 Roger Sayle <roger@eyesopen.com>
9685 * builtins.c (fold_fixed_mathfn): When long and long long are the
9686 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9687 functions to their lceil*, lfloor*, lround* and lrint* forms.
9689 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9692 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9694 (rev_branch_insn): Likewise.
9696 2006-07-27 Jan Hubicka <jh@suse.cz>
9698 PR rtl-optimization/28071
9699 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9700 (reg_set_in_bb, max_reg_computed): New static variables.
9701 (regmove_optimize): Free the new array.
9702 (fixup_match_1): Update call of reg_is_remote_constant_p.
9704 2006-07-26 Jan Hubicka <jh@suse.cz>
9706 PR tree-optimization/27882
9707 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9709 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9711 (cgraph_analyze_compilation_unit): Likewise.
9712 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9713 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9714 (cgraph_early_inlinine): Make order garbage collected.
9715 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9717 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9719 * dbxout.c (output_types_sort): Add a comment.
9720 (output_used_types): Free the VEC.
9722 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9724 * function.c (reorder_fix_fragments): Delete.
9725 (reorder_blocks): Don't call it.
9726 (reorder_blocks_1): Put all subblocks under the origin block.
9728 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9730 PR rtl-optimization/27907
9731 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9734 2006-07-25 Roger Sayle <roger@eyesopen.com>
9737 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9738 bar(x) check that bar's result type can represent all the values of T.
9740 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9742 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9744 2006-07-25 Nick Clifton <nickc@redhat.com>
9746 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9747 size_lookup[] array.
9748 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9749 (ggc_pch_count_object): Likewise.
9750 (ggc_pch_alloc_object): Likewise.
9751 (ggc_pch_write_object): Likewise.
9752 (init_ggc): Do not attempt to initialize entries in the
9753 size_lookup[] array for objects whose size is greater than than
9754 the length of the array.
9756 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9758 * dbxout.c (output_used_types_helper): Push queued types
9760 (output_types_sort): New.
9761 (output_used_types): Collect used types on a VEC and sort them
9764 2006-07-24 Richard Guenther <rguenther@suse.de>
9767 * cgraph.c (cgraph_remove_node): Do not check if dumps
9769 * cgraphunit.c (cgraph_optimize): Likewise.
9771 2006-07-24 Jan Hubicka <jh@suse.cz>
9773 PR rtl-optimization/28071
9774 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9775 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9776 splitting before first stmt.
9778 2006-07-24 Jan Hubicka <jh@suse.cz>
9780 PR rtl-optimization/28071
9781 * ipa-inline.c (update_caller_keys): Remove edges that
9782 are no longer inline candidates.
9784 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9787 * dbxout.c (output_used_types_helper, output_used_types): New.
9788 (dbxout_symbol): Call output_used_types.
9790 2006-07-23 Jan Hubicka <jh@suse.cz>
9794 * cgraph.c (cgraph_varpool_nodes): Export.
9795 (decide_is_variable_needed): Ignored "used" attribute in
9796 unit-at-a-time mode.
9797 * cgraph.h (cgraph_varpool_nodes): Declare.
9798 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9799 unit-at-a-time mode.
9801 2006-07-23 Roger Sayle <roger@eyesopen.com>
9804 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9805 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9806 the __gthrw form of thr_keycreate.
9807 (__gthread_key_delete): Silence the unused argument warning.
9809 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9812 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9813 Cache the last found '\0' marker to avoid quadratic behavior.
9815 2006-07-23 Jan Hubicka <jh@suse.cz>
9817 * i386.md (subsi_3_zext): Fix output template.
9819 2006-07-21 Mike Stump <mrs@apple.com>
9821 * doc/invoke.texi (C++ Dialect Options): Note that
9822 -fvisibility-inlines-hidden doesn't affect explicitly
9823 instantiationed inline methods.
9825 2006-07-20 Roger Sayle <roger@eyesopen.com>
9827 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
9828 if the target assembler is GNU binutils' gas.
9829 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
9830 whether to pass GNU gas or native as command line options.
9832 2006-07-20 Jason Merrill <jason@redhat.com>
9834 * tree.c (remove_attribute): New fn.
9835 * tree.h: Declare it.
9837 2006-07-20 Paul Brook <paul@codesourcery.com>
9840 * cse.c (cse_insn): Add destination addresses to hash table. Check if
9841 they are invalidated by this instruction.
9843 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
9846 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
9848 2006-07-20 Eric Christopher <echristo@apple.com>
9851 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
9853 2006-07-19 Eric Christopher <echristo@apple.com>
9855 * config/t-slibgcc-darwin (stmp-lipo): Remove.
9856 Rewrite dependencies for libgcc_s.1.dylib.
9858 2006-07-19 Jakub Jelinek <jakub@redhat.com>
9860 * except.c (duplicate_eh_regions_1): Clear next_peer.
9862 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
9864 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
9865 -mlongcall does not guarantee all calls will be long.
9866 * doc/extend.texi (long_call/short_call): Document that longcall
9867 does not guarantee a long call will be used.
9868 (longcall/shortcall): Likewise.
9870 2006-07-18 Roger Sayle <roger@eyesopen.com>
9873 * expmed.c (expand_shift): Additionally check that the shift_cost
9874 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
9875 before implementing a LSHIFT_EXPR as a sequence of additions.
9876 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
9877 middle-end that DImode shifts need to be synthesized by expand.
9879 2006-07-18 Diego Novillo <dnovillo@redhat.com>
9882 * tree-ssa-operands.c (access_can_touch_variable): Update
9884 Return true if ALIAS is .GLOBAL_VAR.
9886 2006-07-18 David Daney <ddaney@avtrex.com>
9888 * gcc.c (display_help): Fix typo in help text.
9890 2006-07-18 Olivier Hainque <hainque@adacore.com>
9892 * tree.h (categorize_ctor_elements): Adjust prototype and add
9893 descriptive comment, both in accordance with the interface change
9895 * varasm.c (constructor_static_from_elts_p): New function.
9896 Whether a constructor node is a valid static constant initializer
9897 if all its elements are.
9898 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
9899 * output.h: Declare it.
9900 * expr.c (categorize_ctor_elements_1): Return whether the constructor
9901 is a valid constant initializer instead of computing the number of
9902 non-constant elements. Use constructor_static_from_elts_p for this
9903 purpose. Replace the head comment with an indication that this is a
9904 helper for categorize_ctor_elements.
9905 (categorize_ctor_elements): Same interface change as for the _1
9906 helper. Former head comment from this helper moved here, adjusted to
9907 account for the interface changes.
9908 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
9909 (all_zeros_p): Likewise.
9910 * gimplify.c (gimplify_init_constructor): Decide whether we can make
9911 static versions of the constructor from the categorize_ctor_elements
9912 return value instead of the formerly computed number of non-constant
9915 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
9917 * configure: Regenerate.
9918 * Makefile.in (build_libsubdir): New configure substitution
9919 (build_libobjdir): New variable.
9920 (BUILD_LIBIBERTY): Use it.
9922 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9925 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
9927 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
9930 * c-common.c (handle_weakref_attribute): Ignore attribute in
9931 the same conditions the alias attribute is ignored.
9933 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
9935 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
9936 (dbxout_begin_prologue): Increment scope_labelno.
9938 2006-07-17 Richard Henderson <rth@redhat.com>
9941 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
9944 2006-07-17 Roger Sayle <roger@eyesopen.com>
9945 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9947 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
9948 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
9949 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
9950 functions such as sbrk, write, etc.. Add function prototypes.
9951 Convert function declarations from K&R to ISO C. Cast pointers
9952 to "long" and "unsigned long" instead of "int" and "unsigned int".
9953 Convert tokens following #endif into comments.
9955 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
9957 * invoke.texi: Remove mention of f77; Reformat table for
9958 inline parameter options correctly; mention that -malign-double
9959 is default on x86-64 targets.
9961 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
9963 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
9964 (convert_affine_scev, chrec_convert_aggressive): Use
9965 avoid_arithmetics_in_type_p. Do not check for the subtypes
9968 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9971 * optabs.c (expand_doubleword_shift): Wrap the call to
9972 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
9974 2006-07-17 Richard Sandiford <richard@codesourcery.com>
9977 * optabs.c (expand_binop): Pass next_methods rather than methods
9978 to expand_doubleword_shift.
9980 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
9983 * tree.h (dump_addr): Declare.
9984 * print-tree.c (dump_addr): New function.
9985 (print_node_brief, print_node): Use it.
9986 * print-rtl.c (print_rtx): Likewise.
9987 * common.opt (-fdump-noaddr): New option.
9988 * doc/invoke.texi (-fdump-noaddr): Document.
9989 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
9990 (ve_info_hash): Likewise.
9992 2006-07-13 Andrew Haley <aph@redhat.com>
9994 PR tree-optimization/19505
9995 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
9996 edge leaving this block, make sure that the destination of this
9997 block has only one predecessor.
9999 2006-07-17 Richard Guenther <rguenther@suse.de>
10001 PR tree-optimization/28238
10002 * tree-inline.c (copy_bb): Check if we produced valid
10003 gimple copying and substituting a stmt. If not, gimplify
10006 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10008 * optabs.c (maybe_encapsulate_block): New function extracted from...
10009 (emit_libcall_block): ...here. Invoke it on the block of insns to
10010 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10011 (emit_no_conflict_block): Likewise.
10013 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10015 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10017 2006-07-15 Roger Sayle <roger@eyesopen.com>
10019 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10020 a new NOP_EXPR case of the switch statement.
10022 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10024 PR middle-end/28160
10025 * stor-layout.c (place_field): Take the bit field with
10026 an excessive size into account in the ms-bitfiled case.
10028 PR middle-end/28161
10029 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10030 the previous bit field.
10032 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10035 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10037 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10039 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10040 signal frames correctly even when the signal was installed with
10043 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10045 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10046 (dbxout_function_end): Use local label LFBB. Remove hook
10048 (dbxout_source_line): Use local label LFBB.
10049 (dbxout_block): Likewise.
10050 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10051 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10052 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10053 and DBX_OUTPUT_NFUN.
10055 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10057 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10059 2006-07-13 Jan Hubicka <jh@suse.cz>
10061 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10063 * output.h (align_variable): Declare.
10064 * varasm.c (align_variable): Export.
10065 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10066 when basic block changed.
10068 2006-07-13 Nick Clifton <nickc@redhat.com>
10070 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10071 walking the LOG_LINKS chain.
10073 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10075 * doc/invoke.texi (C++ Dialect Options): Explain difference
10076 between -fvisibility-inlines-hidden and setting hidden
10077 visibility explicitly.
10079 2006-07-12 Eric Christopher <echristo@apple.com>
10081 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10082 (stmp-lipo): Depend on libgcc.a.
10084 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10086 * tree.c: Fix a comment typo.
10088 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10090 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10092 (umulhisi3_r): Likewise.
10094 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10097 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10098 x < 19, vs wchar_t support.
10100 2006-07-12 Nick Clifton <nickc@redhat.com>
10102 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10103 instead of -isa=sh4.
10105 2006-07-12 Mike Stump <mrs@apple.com>
10107 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10109 2006-07-10 Eric Christopher <echristo@apple.com>
10111 * config/t-slibgcc-darwin: Rewrite.
10113 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10116 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10119 2006-07-08 Matthias Klose <doko@debian.org>
10121 * doc/sourcebuild.texi: Fix typo.
10123 2006-07-07 Mike Stump <mrs@apple.com>
10125 * toplev.c (process_options): Don't give -ffunction-sections may
10126 affect debugging warning for Mach-O.
10128 2006-07-07 James E Wilson <wilson@specifix.com>
10130 * config/mips/mips.md (cpu): Add sb1a.
10131 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10132 addition to sb1. Adjust comments to clarify SB-1A differences from
10134 (ir_sb1a_load): New. Modify bypasses to use it.
10135 (ir_sb1a_simple_alu): Likewise.
10136 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10137 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10138 (mips_issue_rate): Add PROCESSOR_SB1A.
10139 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10140 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10141 (TARGET_SB1): Add PROCESSOR_SB1A check.
10142 (TUNE_SB1): Likewise.
10144 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10145 * config/mips/mips.c (mips_store_data_bypass_p): New.
10146 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10147 store_data_bypass_p.
10149 2006-07-08 Paul Brook <paul@codesourcery.com>
10152 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10154 2006-07-07 Richard Guenther <rguenther@suse.de>
10156 PR middle-end/28268
10157 * tree.h (build_one_cst): Declare.
10158 * tree.c (build_one_cst): New function.
10159 * tree-ssa-math-opts.c (get_constant_one): Remove.
10160 (insert_reciprocals): Use build_one_cst.
10161 * fold-const.c (fold_plusminus_mult): Likewise.
10163 2006-07-07 Roger Sayle <roger@eyesopen.com>
10165 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10166 * cfgloopanal.c (dump_graph): Likewise.
10167 * dojump.c (discard_pending_stack_adjust): Likewise.
10168 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10170 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10171 * function.c (finalize_block_changes): Likewise.
10172 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10173 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10174 * rtl.c (dump_rtx_statistics): Likewise.
10175 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10177 * varray.c (dump_varray_statistics): Likewise.
10178 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10179 decode_decimal64, encode_decimal128, decode_decimal128,
10180 decimal_real_to_decimal): Likewise.
10182 2006-07-07 Richard Guenther <rguenther@suse.de>
10184 PR tree-optimization/28187
10185 * tree-vrp.c (vrp_operand_equal_p): New function.
10186 (vrp_bitmap_equal_p): Likewise.
10187 (update_value_range): Use them to compare old and new
10188 max and min values.
10190 2006-07-06 Roger Sayle <roger@eyesopen.com>
10192 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10193 a default case to switch statement to silence compiler warnings.
10195 2006-07-06 Roger Sayle <roger@eyesopen.com>
10198 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10199 the configured assembler supports the x87's ffreep mnemonic.
10200 * configure: Regenerate.
10201 * config.in: Regenerate.
10203 * config/i386/i386.c (output_387_ffreep): New function.
10204 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10205 (output_387_reg_move): Likewise.
10207 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10209 Port to hosts whose 'sort' and 'tail' implementations
10210 treat operands with leading '+' as file names, as POSIX
10211 has required since 2001. However, make sure the code still
10212 works on pre-POSIX hosts.
10213 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10214 which says you should use "tail -c +N" rather than "tail +Nc".
10215 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10217 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10219 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10222 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10225 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10226 PRE_{INC,DEC} of TFmode.
10228 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10229 Alan Modra <amodra@bigpond.net.au>
10232 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10235 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10238 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10239 Remove duplicate gtu.
10241 2006-07-05 Jason Merrill <jason@redhat.com>
10245 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10246 * c-common.c (handle_packed_attribute): So don't copy it here.
10247 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10249 2006-07-05 Mike Stump <mrs@apple.com>
10251 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10253 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10256 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10258 2006-07-05 Richard Guenther <rguenther@suse.de>
10261 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10262 TARGET_SSE2 targets if using SSE math.
10263 (*absdf2_1): Likewise.
10265 2006-07-05 Richard Guenther <rguenther@suse.de>
10267 PR tree-optimization/28162
10268 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10269 make sure to convert the operands to the correct type.
10271 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10273 PR tree-optimization/28218
10275 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10276 to calculate and free the dominator information.
10278 2006-07-04 Peter O'Gorman <peter@pogma.com>
10280 * mklibgcc.in: chmod 644 before ranlib during install.
10282 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10283 J"orn Rennecke <joern.rennecke@st.com>
10285 * configure.ac (.eh_frame data check): Use diff -b.
10287 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10290 * Makefile.in (BUILD_RTL): Add build/vec.o.
10291 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10292 (build/genextract): Delete.
10293 (build/genautomata): Likewise.
10295 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10298 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10299 128-bit IBM long doubles for ABI_V4.
10301 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10303 * tree.c (range_in_array_bounds_p): New predicate.
10304 * tree.h (range_in_array_bounds_p): Declare it.
10305 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10306 return a less conservative answer.
10307 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10308 and flag 'is_group'.
10309 (IS_ELEMENT_FOR_GROUP): New macro.
10310 (FOR_EACH_ACTUAL_CHILD): Likewise.
10311 (next_child_for_group): New helper function.
10312 (can_completely_scalarize_p): Take into account groups.
10313 (sra_hash_tree): Handle RANGE_EXPR.
10314 (sra_elt_eq): Likewise.
10315 (lookup_element): Be prepared for handling groups.
10316 (is_valid_const_index): Delete.
10317 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10318 instead of is_valid_const_index.
10319 <ARRAY_RANGE_REF>: New case.
10320 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10321 is_valid_const_index.
10322 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10323 (scan_dump): Dump info for groups too.
10324 (decide_instantiation_1): Likewise.
10325 (decide_block_copy): Assert that the element is not a group.
10326 Propagate decision to groups.
10327 (generate_one_element_ref): Handle RANGE_EXPR.
10328 (mark_no_warning): Iterate over actual childs.
10329 (generate_copy_inout): Likewise.
10330 (generate_element_copy): Likewise.
10331 (generate_element_zero): Likewise.
10332 (generate_element_init_1): Likewise.
10333 (dump_sra_elt_name): Handle RANGE_EXPR.
10335 2006-07-03 Roger Sayle <roger@eyesopen.com>
10337 PR tree-optimization/26251
10338 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10339 (thread_block): When optimizing for size refuse to thread jumps
10340 that would require duplication of blocks other than redirection
10343 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10345 * configure.ac: Fix thinko in previous check-in.
10346 * configure: Regenerate.
10348 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10351 * configure.ac (for lang...): Simplify nesting of conditionals.
10352 Test subdir_requires for non-enabled languages. Move processing
10353 of lang_opt_files and lang_tree_fiels below that test.
10354 * configure: Regenerate.
10355 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10357 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10359 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10361 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10363 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10366 2006-06-29 Jason Merrill <jason@redhat.com>
10373 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10374 * c-common.c (c_determine_visibility): Handle it here.
10375 * c-decl.c (finish_decl): Call c_determine_visibility for
10377 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10378 * tree.h: Likewise.
10379 * varasm.c (default_assemble_visibility): Likewise.
10380 * c-common.c (handle_visibility_attribute): Complain about trying
10381 to give visibility to an already defined class, or trying to change
10382 declared visibility. Always attach the attribute.
10387 * attribs.c (decl_attributes): Ignore type-in-place attributes
10388 once the type has been defined.
10390 2006-06-29 Roger Sayle <roger@eyesopen.com>
10392 PR middle-end/27428
10393 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10394 to indicate the cpplib has issued an error message for us.
10396 2006-06-29 Asher Langton <langton2@llnl.gov>
10399 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10400 insert a label at the end of an function under Mach-O.
10402 2006-06-29 Eric Christopher <echristo@apple.com>
10403 Evan Cheng <evan.cheng@apple.com>
10405 * predicates.md (vector_all_ones_operand): New.
10406 (nonimmediate_or_sse_const_operand): Ditto.
10407 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10408 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10409 (standard_sse_mode_p): Ditto.
10410 (standard_sse_constant_p): Add case for -1 vector.
10411 (ix86_expand_vector_move): Try to use.
10412 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10413 Call standard_sse_constant_opcode.
10414 (*movv4sf_internal): Ditto.
10415 (*movv2df_internal): Ditto.
10417 2006-06-29 Roger Sayle <roger@eyesopen.com>
10419 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10420 of XEXP to extract the operands of a MATCH_CODE rtx.
10422 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10424 * tree.c (tree_size): Do not waste tail padding in
10425 struct tree_string and make the size be the same as
10426 build_string will generate.
10428 2006-06-28 Jason Merrill <jason@redhat.com>
10431 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10432 may_aliases already in the tag's annotations to the bitmap.
10434 2006-06-28 Roger Sayle <roger@eyesopen.com>
10436 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10438 2006-06-28 Roger Sayle <roger@eyesopen.com>
10440 * genpreds.c (generate_switch_p): New function.
10441 (add_mode_tests): Push the new mode test down inside an AND expr
10442 if this allows the switch-suitable MATCH_CODE to be near the root.
10443 (write_match_code_switch): New function to write a MATCH_CODE as
10444 a switch statement.
10445 (write_predicate_stmts): New function to write a predicate RTX
10446 expression as a sequence of statements.
10447 (write_one_predicate_function): Use write_predicate_stmts.
10448 (write_tm_constrs_h): Likewise.
10450 2006-06-26 Fred Fish <fnf@specifix.com>
10452 * config/mips/t-sb1: New file.
10453 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10456 2006-06-26 DJ Delorie <dj@redhat.com>
10458 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10460 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10461 Jayant Sonar <jayants@kpitcummins.com>
10462 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10464 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10465 (subsi3, subsi3_1, subsi3_2): New.
10466 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10467 * config/m32c/mov.md (SI mov peephole): New.
10468 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10469 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10471 2006-06-26 Olivier Hainque <hainque@adacore.com>
10473 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10474 a CALL_EXPR target function declaration.
10476 2006-06-26 Richard Guenther <rguenther@suse.de>
10478 * tree.c (build_string): Do not waste tail padding in
10479 struct tree_string.
10481 2006-06-26 Richard Guenther <rguenther@suse.de>
10483 * ggc-page.c (init_ggc): Add missing element to size_lookup
10487 2006-06-23 Richard Guenther <rguenther@suse.de>
10489 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10490 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10491 alignment requests instead. Add verification code.
10492 Add struct tree_function_decl and struct tree_binfo size to
10493 extra_order_size_table. Add missing element to size_lookup
10496 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10498 PR middle-end/28151
10499 * fold-const.c (const_binop): Be prepared for self returning zero.
10500 Simplify code handling complex values.
10502 2006-06-24 Olivier Hainque <hainque@adacore.com>
10504 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10505 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10508 2006-06-24 Olivier Hainque <hainque@adacore.com>
10510 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10511 ARRAY_REF, so have the callback called for the low bound expression.
10513 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10515 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10516 * c-typeck.c (c_common_type): Disallow operations on decimal float
10517 types and other float types.
10518 * convert.c (convert_to_real): Don't ignore conversions involving
10519 decimal float types.
10521 2006-06-23 Olivier Hainque <hainque@adacore.com>
10523 * tree.c (max_int_size_in_bytes): New function, inspired from
10524 code in function.c:assign_temp.
10525 * tree.h (max_int_size_in_bytes): Declare.
10526 * function.c (assign_temp): Use it.
10527 * gimplify.c (create_tmp_var): Relax the assertions on the type
10528 properties, not mandating constant size any more.
10529 (force_constant_size): New static function.
10530 (gimple_add_tmp_var): Use it, forcing variable size to a
10531 constant upper bound if it is not constant on entry.
10533 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10536 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10537 for initialization and setting of one_only flag to ...
10538 (i386_pe_encode_section_info): ...here.
10539 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10540 Recheck that the symbol has not been defined.
10542 2006-06-23 Richard Guenther <rguenther@suse.de>
10544 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10545 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10546 alignment requests instead. Add verification code.
10547 Add struct tree_function_decl and struct tree_binfo size to
10548 extra_order_size_table. Add missing element to size_lookup
10551 2006-06-22 Roger Sayle <roger@eyesopen.com>
10552 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10554 PR middle-end/28131
10555 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10556 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10558 2006-06-23 Ben Elliston <bje@au.ibm.com>
10560 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10561 negate dn -- manipulate it directly.
10563 2006-06-22 Roger Sayle <roger@eyesopen.com>
10564 Steven Bosscher <stevenb.gcc@gmail.com>
10567 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10568 generated by gen_move_insn to add REG_LABEL notes if necessary.
10570 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10572 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10573 (leaf_entry): Remove use of MIN_ESA.
10575 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10577 PR rtl-optimization/28121
10578 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10581 2006-06-21 DJ Delorie <dj@redhat.com>
10583 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10585 (mulhisi3_r): Likewise.
10587 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10589 PR middle-end/28034
10590 * coverage.c (coverage_counter_alloc): Leave the index type
10592 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10595 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10597 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10598 section from the "Options for Code Generation Conventions".
10600 2006-06-21 Richard Henderson <rth@redhat.com>
10604 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10606 (global_symbolic_operand): Allow weak symbols, even if local_p.
10608 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10610 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10611 (find_interesting_uses_address): Punt if above function returns true.
10613 2006-06-21 Richard Guenther <rguenther@suse.de>
10615 * configure: Regenerated.
10617 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10619 * config/mips/mips.c (function_arg): Where one part of a
10620 complex argument is in registers and the other part in the stack,
10621 return a REG not a PARALLEL.
10623 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10625 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10626 when cross-compiling. Do not substitute libstdcxx_incdir.
10627 * configure: Regenerated.
10629 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10631 * varasm.c (mergeable_string_section): Check for embedded NULs and
10632 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10633 rather than TREE_STRING_LENGTH bytes.
10635 2006-06-21 Richard Guenther <rguenther@suse.de>
10637 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10638 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10641 2006-06-21 Richrad Guenther <rguenther@suse.de>
10643 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10644 Limit iteration over the dominators.
10646 2006-06-20 Roger Sayle <roger@eyesopen.com>
10648 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10649 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10651 2006-06-20 Richard Guenther <rguenther@suse.de>
10652 Michael Matz <matz@suse.de>
10654 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10656 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10657 * et-forest.h (et_free_pools): Prototype new function.
10658 * et-forest.c (et_free_tree_force): Free parent occurrence.
10659 (et_free_pools): New function.
10660 * dominance.c (free_dominance_info): Free et-forest alloc
10663 2006-06-20 Roger Sayle <roger@eyesopen.com>
10665 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10666 integer modes, attempt to directly construct an integer constant.
10668 * fold-const.c (native_encode_vector): Determine the size of each
10669 element from the vector type instead of the first vector element.
10671 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10672 if all of its elements/components are constant.
10673 (build_constructor_from_list): Likewise.
10675 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10677 PR tree-optimization/27331
10678 * tree-data-ref.c (free_data_ref): New function.
10679 (create_data_ref): Fail if the data reference has unknown access
10681 (free_data_refs): Use free_data_ref.
10683 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10685 PR middle-end/28075
10686 * tree-inline.c (setup_one_parameter): Strip useless
10687 type conversion before adding it to the IR.
10688 (declare_return_variable): Likewise.
10690 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10693 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10695 2006-06-19 Mike Stump <mrs@apple.com>
10697 * tree.c (variably_modified_type_p): VM arguments don't make the
10700 2006-06-19 Richard Guenther <rguenther@suse.de>
10702 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10703 type conversions after folding.
10705 2006-06-19 Richard Guenther <rguenther@suse.de>
10707 * ggc-page.c (extra_order_size_tab): Add entries with
10708 size of struct function and basic_block.
10709 (size_lookup): Extend to cover sizes up to 511.
10710 (ggc_alloc_stat): Adjust user.
10711 (ggc_pch_count_object): Likewise.
10712 (ggc_pch_alloc_object): Likewise.
10713 (ggc_pch_write_object): Likewise.
10715 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10717 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10718 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10721 2006-06-19 Denis Chertykov <denisc@overta.ru>
10723 * config/avr/libgcc.S : Correct my wrong previous commit.
10725 2006-06-19 Roger Sayle <roger@eyesopen.com>
10728 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10729 have stripped a SUBREG from the shift count, so we may need to
10730 convert_to_mode back to the type's mode before calling make_tree.
10731 Use new_amount instead of amount to avoid expanding a tree twice.
10733 2006-06-19 Richard Guenther <rguenther@suse.de>
10735 PR middle-end/28045
10736 * fold-const.c (operand_equal_p): Check if the argument types
10737 have the same precision before stripping NOPs.
10739 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10741 Fix PR tree-optimization/27341
10742 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10744 * tree-complex.c (pass_lower_complex): Update SMT usage.
10746 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10748 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10749 Add a new alternative to the constraint strings. Add move of
10750 operand 1 to 3 to the splitter definition.
10751 ("doloop_si_long"): Second contraint alternative removed.
10753 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10755 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10756 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10758 (AVR_HAVE_MOVW) Define.
10759 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10760 (ASM_SPEC): Add avr25.
10761 (LINK_SPEC): Add avr25.
10762 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10763 (base_arch_s): Add new member 'have_movw_lpmx'.
10764 (avr_arch_types): Init 'have_movw_lpmx'.
10765 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10766 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10767 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10768 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10769 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10771 (avr_file_start): Do not output '.arh' derective.
10772 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10773 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10774 * config/avr/avr.md (mcu_enhanced): Delete.
10775 (mcu_have_movw): Define.
10776 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10777 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10778 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10779 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10780 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10781 attiny861 and at86rf401 devices.
10783 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10785 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10788 2006-06-17 Karl Berry <karl@gnu.org>
10790 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10791 doc/gccint.texi, doc/install.texi (@dircategory): Use
10792 "Software development" instead of "Programming", following
10793 the Free Software Directory.
10795 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10797 * config/i386/i386.c (legitimate_tls_address)
10798 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10799 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10800 (*tls_dynamic_gnu2_combine_64): Likewise.
10802 2006-06-16 Richard Guenther <rguenther@suse.de>
10804 PR middle-end/27116
10805 * fold-const.c (negate_expr_p): Do not introduce undefined
10806 overflow in negating INTEGER_CSTs.
10807 (fold_negate_expr): Rename from negate_expr. Revert last
10808 change for folding BIT_NOT_EXPR. Change semantics to
10809 return NULL_TREE for non-simplified negations. Do not
10810 strip type conversions and unify type handling.
10811 (negate_expr): New function, wrap around fold_negate_expr
10812 but ensure building a tree always. Strip type conversions
10813 here, fold to result type.
10814 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10816 2006-06-16 Roger Sayle <roger@eyesopen.com>
10818 PR middle-end/27802
10819 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10820 that (would) return their results in stack registers.
10822 2006-06-16 Michael Matz <matz@suse.de>
10823 Richard Guenther <rguenther@suse.de>
10825 * fold-const.c (fold_truthop): Only return new tree node if
10826 we canonicalized something.
10828 2006-06-16 Richard Guenther <rguenther@suse.de>
10830 * function.h (enum function_frequency): Move declaration
10831 out of struct function.
10832 (struct function): Move bool fields and the enum to the bitfield
10833 section. Reorder elements to avoid padding. Remove unused
10834 fields left over from the RTL inliner removal.
10835 * function.c (free_after_compilation): Do not zero removed fields.
10836 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
10837 (ipa-type-escape.o): Likewise.
10839 2006-06-16 Richard Guenther <rguenther@suse.de>
10841 * cgraph.h (struct cgraph_local_info): Turn bool elements
10843 (struct cgraph_node): Likewise.
10844 (struct cgraph_varpool_node): Likewise.
10846 2006-06-15 Richard Guenther <rguenther@suse.de>
10848 * fold-const.c (fold_truth_not_expr): Rename from
10849 invert_truthvalue. Give it fold_* semantics to avoid
10850 generating garbage.
10851 (invert_truthvalue): New function. Wrapper around
10852 fold_truth_not_expr.
10853 (optimize_minmax_comparison): Avoid creating garbage.
10854 (fold_unary): Use fold_truth_not_expr for folding
10856 (fold_ternary): Replace uses of invert_truthvalue with
10857 fold_truth_not_expr where applicable.
10858 * tree.h (fold_truth_not_expr): Prototype.
10860 2006-06-16 Richard Guenther <rguenther@suse.de>
10862 PR tree-optimization/27781
10863 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
10864 * ipa-pure-const.c (target.h): Include.
10865 (analyze_function): Do not analyze functions that do not
10868 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
10870 PR middle-end/27793
10871 * tree-dfa.c (referenced_vars_dup_list): Remove.
10872 (find_referenced_vars): Remove assert.
10873 (referenced_var_check_and_insert): Replace dup list with assert.
10874 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
10875 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
10877 2006-06-15 Richard Guenther <rguenther@suse.de>
10879 * tree-ssa-structalias.c (alias_get_name): Avoid creating
10880 extra unused identifiers if not dumping.
10881 (create_variable_info_for): Likewise.
10883 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
10885 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
10886 (derive_constant_upper_bound): Derive more precise upper bound in
10887 common cases. Return type changed to double_int.
10888 (record_estimate): Reflect the changed return type of
10889 derive_constant_upper_bound.
10890 * double-int.c (double_int_zext, double_int_sext): Fix.
10892 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
10894 * configure.ac (CFLAGS): Get them from the toplevel or from the
10895 configure invocation.
10896 * configure: Regenerate.
10897 * Makefile.in (CFLAGS): Substitute value provided by configure.
10899 2006-06-14 Mark Mitchell <mark@codesourcery.com>
10902 * c-common.h (c_finish_omp_atomic): Adjust declaration.
10903 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
10904 rather than calling add_stmt on it.
10905 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
10907 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
10909 PR middle-end/27959
10910 * reload1.c (reload): Remove registers returned by update_eliminables
10911 from used_spill_regs.
10913 2006-06-13 DJ Delorie <dj@redhat.com>
10915 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
10917 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
10919 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
10920 html__strip_dir, html__mkdir_p. Enhance install-html target.
10921 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
10922 * configure: Regenerate.
10924 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
10926 * fold-const.c (fold_cond_expr_with_comparison): Check for
10927 Objective-C++ as language in deciding COND_EXPR transformation.
10929 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
10932 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
10933 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
10934 * config/sh/lib1funcs.h (SL, SL1): Define.
10935 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
10936 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
10937 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
10938 (OBJS_Os_4_200): New variable.
10939 ($(T)libgcc-Os-4-200.a): Use it.
10940 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
10941 when dividing 1 and/or by 0.
10943 2006-06-13 Roger Sayle <roger@eyesopen.com>
10945 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
10946 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
10947 * configure: Regenerate.
10949 2006-06-13 Jie Zhang <jie.zhang@analog.com>
10951 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
10952 for real instruction.
10954 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10956 PR middle-end/26807
10957 * haifa-sched.c (check_cfg): Handle special case.
10959 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
10962 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
10963 Add debug_info parameter. Chain the vars to the BLOCK instead
10964 of the BIND_EXPR if debug info are requested for them.
10965 (pop_gimplify_context): Adjust for above change.
10966 (gimple_add_tmp_var): Likewise.
10967 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
10968 Add bool parameter.
10969 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
10970 (convert_local_reference): Likewise.
10971 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
10972 (finalize_nesting_tree_1): Request that debug info be emitted
10973 for debug_var_chain.
10975 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10977 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
10978 for PR target/27863.
10980 2006-06-13 Richard Guenther <rguenther@suse.de>
10982 PR middle-end/27536
10983 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
10985 2006-06-13 Richard Guenther <rguenther@suse.de>
10987 PR tree-optimization/27830
10988 * tree-inline.c (copy_body_r): For copying the operand
10989 of an ADDR_EXPR make sure to fold &* afterwards.
10991 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
10993 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
10994 lvalues in the fb_none case with side-effects.
10996 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
10998 * tree-flow.h: Remove the prototype for
10999 compute_phi_arg_on_exit.
11000 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11001 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11004 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11006 * builtins.c (expand_builtin_return_addr): Only use
11007 frame_pointer_rtx when count == 0 and we are expanding
11008 __builtin_return_address.
11010 2006-06-12 Fred Fish <fnf@specifix.com>
11012 * config/mips/mips.c (mips_file_start): Create special section
11013 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11015 2006-06-11 Eric Christopher <echristo@apple.com>
11017 PR middle-end/27948
11018 * stor-layout.c (place_field): Remove check for
11019 remaining_in_alignment when aligning at the end of a run.
11021 2006-06-11 Eric Christopher <echristo@apple.com>
11024 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11027 2006-06-11 Roger Sayle <roger@eyesopen.com>
11030 Revert incorrect fix for PR target/27158
11031 2006-05-08 Roger Sayle <roger@eyesopen.com>
11032 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11033 of a reg_equiv_constant if the result is a legitimate constant.
11035 2006-06-11 Roger Sayle <roger@eyesopen.com>
11038 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11039 extract a CONST_VECTOR element and interpret it as an integer.
11040 (vspltis_constant): Use const_vector_elt_as_int instead of the
11041 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11042 * config/rs6000/predicates.md (easy_vector_const): Consider
11043 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11045 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11047 PR middle-end/27942
11048 * stor-layout.c (update_alignment_for_field): Don't add extra
11049 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11052 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11054 * config/mips/t-rtems: Add EL/EB multilib variants.
11056 2006-06-09 Mike Stump <mrs@apple.com>
11058 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11060 2006-06-09 David Daney <ddaney@avtrex.com>
11062 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11064 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11066 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11068 2006-06-09 Richard Guenther <rguenther@suse.de>
11070 PR tree-optimization/26998
11071 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11072 of signed types, only TYPE_MIN_VALUE is special, but for both,
11073 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11074 in this case, as is -fwrapv.
11076 2006-06-08 Mike Stump <mrs@apple.com>
11079 * config/darwin.c (darwin_asm_output_anchor): Disable
11080 -fsection-anchors on darwin for now.
11081 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11082 * rs6000/rs6000.c (optimization_options): Likewise.
11084 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11087 * config/i386/i386.c (classify_argument): Skip fields with invalid
11090 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11092 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11093 (cse_insn): Likewise for the stack_pointer_rtx.
11095 2006-06-08 Roger Sayle <roger@eyesopen.com>
11097 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11098 conditions from floating point comparisons.
11100 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11102 PR middle-end/27733
11103 * expmed.c (struct alg_hash_entry): Fix type of field T
11104 to match synth_mult argument.
11105 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11107 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11110 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11113 2006-06-08 Richard Guenther <rguenther@suse.de>
11115 PR middle-end/27116
11116 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11117 only, if overflow is defined and not trapping.
11118 (negate_expr): Likewise.
11120 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11122 PR tree-optimization/27872
11123 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11124 flag on the new exit edge of the unrolled loop.
11126 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11128 PR rtl-optimization/26449
11129 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11131 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11133 PR middle-end/27793
11134 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11135 referenced_variables with matching DECL_UID's.
11136 (find_referenced_vars): Make sure duplicate list is empty to start.
11137 (referenced_var_p): Remove.
11138 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11139 Check if var is in the list, and add if needed. Update the duplicate
11140 list if a different var is in the list with the same DECL_UID.
11141 (add_referenced_var): Call routine to check and insert.
11142 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11143 * tree-flow.h (referenced_vars_dup_list): External declaration.
11145 2006-06-07 Fred Fish <fnf@specifix.com>
11147 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11150 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11153 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11154 the imaginary and real parts of a clobbered register.
11155 Emit insn to set the imaginary part.
11157 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11159 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11160 in lieu of unwind-dw2-fde.c.
11162 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11164 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11166 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11169 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11170 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11171 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11172 V4SImode temporaries and operations instead.
11174 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11176 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11179 2006-06-06 Mike Stump <mrs@apple.com>
11181 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11182 installing during build.
11184 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11186 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11188 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11189 * config/ia64/ia64.c (params.h): New header.
11190 (ia64_optimization_options): New function to adjust parameters.
11191 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11192 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11193 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11195 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11197 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11199 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11202 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11204 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11205 Victor Kaplansky <victork@il.ibm.com>
11207 PR tree-optimization/26360
11208 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11211 2006-06-04 Roger Sayle <roger@eyesopen.com>
11212 Andrew Pinski <pinskia@physics.uc.edu>
11214 PR middle-end/27382
11215 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11216 for LABEL_DECL before calling DECL_WEAK.
11219 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11220 LABEL_DECL and PARM_DECL.
11222 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11226 * c-decl.c (grokdeclarator): Disallow variably modified types at
11227 file scope. Avoid marking shared array type of constant size as
11230 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11233 * c-common.c (fold_offsetof_1): Handle static members.
11235 2006-06-04 Eric Christopher <echristo@apple.com>
11237 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11238 (debug_rli): Output value for remaining_in_alignment.
11239 (update_alignment_for_field): Unconditionalize
11240 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11241 extra alignment code.
11242 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11243 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11244 * tree.h (record_layout_info_s): Remove prev_packed.
11245 * doc/extend.texi (ms_struct): Add documentation of format.
11247 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11249 * tree.h: Declare folding_initializer.
11250 * builtins.c (fold_builtin_constant_p): Give definite answer
11251 if folding inside an initializer.
11252 * fold-const.c: Define folding_initializer.
11253 (START_FOLD_INIT): Save and then set folding_initializer.
11254 (END_FOLD_INIT): Restore folding_initializer.
11256 2006-06-04 Richard Guenther <rguenther@suse.de>
11258 PR tree-optimization/27039
11259 * fold-const.c (fold_comparison): Handle pointer comparison
11260 again for all comparison codes. Compare offsets in signed
11262 (fold_binary): Move code from here.
11264 2006-06-03 Roger Sayle <roger@eyesopen.com>
11267 * config/i386/i386.c (construct_container): Split static issued_error
11268 flag into issued_sse_arg_error, issued_sse_ret_error and
11269 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11270 requires the use of x87 registers and the user explicitly
11271 specified the -mno-80387 command line option.
11273 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11275 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11276 HAVE_DECL_SIGALTSTACK.
11278 (segv_handler): Use MC_FLD.
11279 * configure.ac: Check for a sigaltstack declaration.
11280 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11281 * configure: Regenerate.
11282 * config.in: Regenerate.
11284 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11287 * Makefile.in (stmp-fixinc): Fix typo.
11289 2006-06-02 Roger Sayle <roger@eyesopen.com>
11291 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11292 are type correct. Clean-up.
11293 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11294 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11296 2006-06-01 DJ Delorie <dj@redhat.com>
11298 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11299 shift, as we've disabled the "switch" insn that needs it.
11301 2006-06-01 Per Bothner <bothner@bothner.com>
11303 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11304 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11305 * c-ppoutput.c (cb_define): Don't increment line 0.
11307 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11309 * doc/invoke.texi: Add cpu_type power6.
11310 * config.gcc: Add cpu_type power6.
11311 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11312 to power5+ with Altivec.
11313 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11314 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11316 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11318 * config/avr/avr.h (SET_ASM_OP): Define.
11320 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11322 * config/bfin/bfin.c: Fix comment typos.
11324 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11327 * doc/install.texi: Document --enable-bootstrap and
11328 --disable-bootstrap.
11330 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11332 * doc/install.texi: Document that InfoZIP can replace jar.
11334 2006-05-31 Roger Sayle <roger@eyesopen.com>
11336 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11337 isn't available, directly generate the simpler x87 patterns without
11338 the (use (const_int 0)).
11339 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11340 implementation isn't available.
11341 (*negdf2_1): Likewise.
11342 (*negxf2_1): XF mode negation is always done using the x87.
11343 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11345 2006-05-31 Roger Sayle <roger@eyesopen.com>
11347 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11348 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11350 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11352 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11354 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11355 * config/bfin/bfin.c (basic-block.h): Include.
11356 (struct machine_function): New.
11357 (bfin_init_machine_status): New.
11358 (override_options): Initialize init_machine_status.
11359 (bfin_hardware_loop): New.
11360 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11361 (DEF_VEC_P (loop_info)): New.
11362 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11363 (struct loop_info): New.
11364 (loop_info): New typedef.
11365 (struct loop_work): New.
11366 (loop_work): New typedef.
11367 (DEF_VEC_O (loop_work)): New.
11368 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11369 (bfin_dump_loops): New.
11370 (bfin_bb_in_loop): New.
11371 (bfin_scan_loop): New.
11372 (bfin_optimize_loop): New.
11373 (bfin_reorg_loops): New.
11374 (bfin_reorg): Use bfin_reorg_loops.
11375 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11377 (I_REGNO_P): Simplify.
11378 (DP_REGNO_P, DPREG_P): New macros.
11379 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11380 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11381 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11382 Add LT_REGS, LC_REGS, LB_REGS.
11383 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11385 (REGNO_REG_CLASS): Deal with loop registers.
11386 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11388 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11389 New constants for loop registers.
11390 (UNSPEC_LSETUP_END): New.
11391 (seq_insns): New define_attr. Set it for appropriate insns.
11392 (movsi_insn): Add alternatives for move from/to
11393 loop count registers.
11394 (doloop_end): New define_expand.
11395 (loop_end): New define_insn.
11396 (define_split for bad doloop_end): New.
11397 (lsetup_with_autoinit): New define_insn.
11398 (lsetup_without_autoinit): New define_insn.
11399 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11400 * config/bfin/predicates.md (lc_register_operand): New.
11401 (lt_register_operand): New.
11402 (lb_register_operand): New.
11403 (nondp_register_operand): New.
11404 (nondp_reg_or_memory_operand): New.
11405 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11407 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11409 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11410 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11412 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11414 * Makefile.in (CATALOGS): Add po/ prefix.
11415 * configure: Regenerated.
11417 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11420 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11421 a shift operand before calling shift_op. Avoid redundant call of
11424 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11425 DJ Delorie <dj@redhat.com>
11427 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11428 we're inserting is a singlt-bit constant.
11430 2006-05-30 Roger Sayle <roger@eyesopen.com>
11432 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11433 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11435 2006-05-30 Roger Sayle <roger@eyesopen.com>
11437 PR tree-optimization/23452
11438 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11439 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11440 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11441 complex values and with -ffast-math for FP complex values.
11443 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11445 * c-common.h: Remove the prototype for yyparse.
11446 * rtl.h: Remove the prototype for init_loop.
11448 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11450 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11453 2006-05-30 Roger Sayle <roger@eyesopen.com>
11455 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11457 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11458 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11460 2006-05-30 Dirk Mueller <dmueller@suse.de>
11463 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11464 for CONSTANT_CLASS_P expresisons.
11466 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11469 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11471 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11473 PR tree-optimization/27779
11474 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11475 initial_condition instead of CHREC_LEFT.
11477 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11479 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11480 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11481 Make prototypes ISO C90.
11483 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11484 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11486 * see.c (see_analyze_one_def): Correct check.
11487 (see_get_extension_data): Check if extension is parallel.
11488 (see_get_extension_reg): Likewise.
11490 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11493 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11494 into register for (code == GTU).
11496 2006-05-29 Roger Sayle <roger@eyesopen.com>
11498 PR tree-optimization/24964
11499 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11500 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11501 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11502 abs(x)*abs(x) as x*x for scalar floating point modes.
11504 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11506 PR middle-end/27745
11507 * lambda-code.c (perfect_nestify): Don't copy statements
11508 in the inner loop: move them to the inner loop header.
11510 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11513 * c-tree.texi: Document OpenMP directives and clauses.
11515 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11517 * varasm.c (globalize_decl): Fix indentation.
11519 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11522 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11523 pass_fre, pass_store_ccp, pass_copy_prop,
11524 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11525 pass_return_slot, pass_object_size, pass_lim,
11526 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11527 pass_loop_prefetch and pass_stdarg.
11529 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11531 * config/bfin/bfin.opt (mfdpic): New option.
11532 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11533 (EXTRA_MULTILIB_PARTS): Likewise.
11534 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11535 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11537 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11538 (CRT_CALL_STATIC_FUNCTION): New.
11539 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11541 (CRT_CALL_STATIC_FUNCTION): New.
11542 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11544 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11545 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11546 (initialize_trampoline): Changed to handle FD-PIC code generation.
11547 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11548 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11549 (override_options): Disallow -mid-shared-library -mfdpic combination.
11550 Can't do unaligned ops if FD-PIC.
11551 Turn off flag_pic if trying to generate non-id-shared-library
11552 non-fdpic code, since it's not supported.
11553 (bfin_assemble_integer): New function.
11554 (TARGET_ASM_INTEGER): Define.
11555 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11557 * config/bfin/crtn.s: Restore them.
11558 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11560 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11561 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11562 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11563 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11564 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11566 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11567 FDPIC_REGS and FDPIC_FPTR_REGS.
11568 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11569 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11570 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11571 (load_funcdescsi): New pattern.
11572 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11573 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11574 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11576 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11578 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11581 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11583 * tree-flow.h: Remove the prototype for add_type_alias.
11584 * tree-ssa-alias.c (add_type_alias): Remove.
11586 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11588 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11589 config/fr30/fr30.md, config/i386/i386-interix.h,
11590 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11591 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11592 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11593 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11594 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11595 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11596 Follow spelling conventions.
11597 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11598 Follow spelling conventions.
11600 2006-05-27 Richard Guenther <rguenther@suse.de>
11602 PR middle-end/27773
11603 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11604 to produce a constant of value 1 of generic type.
11606 2006-05-27 Dirk Mueller <dmueller@suse.de>
11608 * cgraphunit.c (decide_is_function_needed): Fix wrong
11611 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11613 PR rtl-optimization/27661
11614 * reload.c (find_reloads): When reloading a VOIDmode constant
11615 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11616 use Pmode as mode of the reload register.
11618 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11620 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11621 is enabled at -O and above.
11623 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11626 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11629 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11632 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11633 for anonymous variables explicitly declared by front ends.
11635 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11637 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11638 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11639 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11640 ref-all pointers, run a finalization pass for them.
11641 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11642 (finalize_ref_all_pointers): New function.
11643 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11644 regular pointer type to a ref-all pointer type.
11645 (get_tmt_for): Return the special memory tag for ref-all pointers.
11647 2006-05-25 Richard Guenther <rguenther@suse.de>
11649 PR middle-end/27743
11650 * fold-const.c (fold_binary): Do not look at the stripped
11651 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11653 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11655 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11656 for LT and GT if the computed range is effectively empty.
11658 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11661 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11662 mips_quad_format formats instead of ieee_single_format,
11663 ieee_double_format and ieee_quad_format formats, respectively.
11665 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11667 PR tree-optimization/27639
11668 PR tree-optimization/26719
11669 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11670 call to scev_probably_wraps_p.
11671 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11672 used_in_pointer_arithmetic_p, convert_step): Removed.
11673 (nowrap_type_p): New function.
11674 (scev_probably_wraps_p): Rewritten.
11675 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11676 chrec_convert if chrec_convert_aggressive might have been used.
11677 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11678 scev_direction): New functions.
11679 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11680 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11681 instead of convert_step.
11682 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11683 (convert_step): Declaration removed.
11684 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11686 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11688 * df-core.c: Added to header comments.
11689 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11690 df_ur_bb_info, df_urec_bb_info): Added comments.
11691 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11692 urec, ri problems): Fixed header comments.
11693 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11694 code from df_rd_transfer_function.
11696 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11698 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11699 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11700 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11702 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11704 * expr.c (undefined_operand_subword_p): New.
11705 (emit_move_multi_word): Do not generate move from undefined bits
11706 of a paradoxical subreg.
11708 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11710 PR rtl-optimization/27736
11711 * combine.c (replaced_rhs_value): New variable.
11712 (combine_instructions): Set it.
11713 (distribute_notes): When distributing a note in replaced_rhs_insn,
11714 check whether the value was used in replaced_rhs_value.
11716 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11719 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11720 add_referenced_var instead of add_referenced_tmp_var.
11721 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11722 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11723 add_referenced_var.
11724 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11725 tree_optimize_tail_calls_1): Use add_referenced_var.
11726 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11727 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11728 Use add_referenced_var.
11729 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11730 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11731 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11732 Use add_referenced_var.
11733 * tree-dfa.c (struct walk_state): Remove.
11734 (find_referenced_vars): Remove walk state and vars_found hash table.
11735 (make_rename_temp): Use add_referenced_var.
11736 (find_vars_r): Pass less parameters to add_referenced_var.
11737 (referenced_var_p): New. Is var in referenced_var hash table.
11738 (referenced_var_insert): Assert var isn't already in hash table.
11739 (add_referenced_var): Don't need walk_state parameter. Add var if it
11740 isn't already in the hash table.
11741 (add_referenced_tmp_var): Remove.
11742 (find_new_referenced_vars_1): Use add_referenced_var.
11743 * tree-ssa-pre.c (create_expression_by_pieces,
11744 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11745 Use add_referenced_var.
11746 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11747 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11748 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11749 add_referenced_var.
11750 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11751 vect_create_data_ref_ptr, vect_create_destination_var,
11752 vect_init_vector, vect_build_loop_niters,
11753 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11754 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11755 Use add_referenced_var.
11756 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11757 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11758 (add_referenced_var): Add prototype.
11759 * tree-ssa-structalias.c (get_constraint_for,
11760 intra_create_variable_infos): Use add_referenced_var.
11762 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11764 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11765 big-endian paradoxical subregs.
11766 * var-tracking.c (struct micro_operation_def): Document that,
11767 for modify micro operations, insn is the subsequent instruction.
11768 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11769 (var_reg_set, var_mem_set): ... new functions.
11770 (add_stores): Record subsequent insn.
11771 (compute_bb_dataflow): Use new functions for MO_USE.
11772 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11773 notes after the insn, and modify notes before the insn known
11774 to be the subsequent one.
11775 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11777 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11780 * config/i386/i386.c (ix86_expand_builtin): Use
11781 gen_sse3_monitor64 for TARGET_64BIT.
11783 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11785 PR rtl-optimization/26375
11786 PR rtl-optimization/26855
11787 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11789 (df_ru_bb_local_compute): Reversed statements and removed bogus
11790 comment explaining why they should be in wrong order.
11791 (df_ru_dump, df_rd_dump): Enhanced debug info.
11792 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11794 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11795 reaching uses and fixed space problem.
11797 2006-05-23 Jan Hubicka <jh@suse.cz>
11799 * cgraphunit.c (decide_is_function_needed): Also nested functions
11800 and functions declared inline can be optimized out at -O0.
11802 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11804 * doc/install.texi (Configuration): Remove reference to CrossGCC
11805 FAQ which was gone.
11808 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11811 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11812 ix86_compare_emitted is non-NULL.
11814 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11817 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11820 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11822 PR rtl-optimization/25514
11823 * combine.c (replaced_rhs_insn): New variable.
11824 (combine_instructions): Set replaced_rhs_insn when trying to replace
11825 a SET_SRC with a REG_EQUAL note.
11826 (distribute_notes): Use replaced_rhs_insn when determining the live
11827 range of a REG_DEAD register.
11829 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
11830 Anatoly Sokolov <aesok@post.ru>
11832 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
11833 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
11834 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
11835 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
11836 atmega3290, atmega649, atmega6490, atmega406, atmega640,
11837 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
11838 at90usb647, at90usb1286 and at90usb1287 devices.
11839 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11840 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11842 2006-05-22 Richard Sandiford <richard@codesourcery.com>
11844 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
11846 2006-05-22 Richard Guenther <rguenther@suse.de>
11849 2006-01-31 Richard Guenther <rguenther@suse.de>
11850 Paolo Bonzini <bonzini@gnu.org>
11852 * doc/install.texi (--disable-libgcc-math): Document.
11854 2006-05-22 Richard Guenther <rguenther@suse.de>
11857 2006-01-31 Richard Guenther <rguenther@suse.de>
11859 * doc/invoke.texi (-msselibm): Document.
11860 * target.h (expand_library_builtin): New target hook.
11861 * builtins.c (expand_builtin): Use expand_library_builtin.
11862 (default_expand_library_builtin): New function.
11863 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11864 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11865 (link_gcc_math_spec): Declare.
11866 (static_specs): Add link_gcc_math_spec.
11867 * expr.h (default_expand_library_builtin): Declare.
11868 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11869 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11870 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11871 * config/i386/i386.opt (msselibm): New target option.
11872 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11873 (ix86_init_sse_abi_builtins): New function.
11874 (ix86_expand_library_builtin): Likewise.
11875 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11876 (override_options): Handle error conditions wrt -msselibm.
11877 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11878 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11879 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11882 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11885 * c-common.c (self_promoting_args_p): Skip erroneous args.
11888 * c-decl.c (finish_struct): Skip erroneous fields.
11890 2006-05-22 Nick Clifton <nickc@redhat.com>
11892 * config/cris/cris.opt (march): Remove VarExists attribute.
11893 (max-stackframe=): Likewise.
11895 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11897 * doc/rtl.texi: Fix a typo.
11898 * see.c: Fix comment typos.
11900 * tree-ssa-structalias.h (alias_info): Remove num_references.
11902 2006-05-21 Mike Stump <mrs@apple.com>
11904 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
11906 (darwin_pragma_options): Use BAD instead.
11907 (darwin_pragma_unused): Likewise.
11908 (darwin_pragma_ms_struct): Likewise.
11910 2006-05-21 David Edelsohn <edelsohn@gnu.org>
11912 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
11914 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
11916 PR rtl-optimization/27671
11917 * simplify-rtx.c (simplify_relational_operation_1): Fix
11918 simplifications of (eq/ne (xor x y) y) and
11919 (eq/ne (xor x y) x).
11921 PR tree-optimization/26622.
11922 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
11925 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11927 * tree-cfg.c: Prune whitespace.
11928 (debug_tree_cfg): Point to correct header containing the
11931 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
11933 PR middle-end/25776
11934 * cgraphunit.c (verify_cgraph_node): Typo in error message.
11936 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
11938 PR middle-end/25776
11939 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
11940 or sorry count is non zero.
11942 2006-05-20 Andreas Schwab <schwab@suse.de>
11944 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
11946 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
11947 Kenneth Zadeck <zadeck@naturalbridge.com>
11949 PR rtl-optimization/26855
11951 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
11953 (df_scan_alloc): Added code to properly handle multiword hard
11954 registers and add all_blocks parameter.
11955 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
11956 code to properly handle multiword hard registers.
11957 (df_rescan_blocks): Added code to remove deleted blocks from
11959 (df_ref_create_structure, df_ref_record): Added code to properly
11961 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
11962 and set DF_REF_PARTIAL.
11963 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
11964 (df_uses_record): Added DF_REF_PARTIAL for subreg.
11965 (df_scan_add_problem): Added flags parameter.
11966 (df_ref_create_structure): Changed switching structure.
11967 (df_bb_refs_record): Fixed case where duplicate artificial refs
11968 were created. Changed location of flags.
11969 (df_record_entry_block_defs): Added code to make stack pointer
11970 live in entry block. Refined cases where frame pointer is needed.
11971 Changed location of flags.
11972 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
11973 (df_set_state): Removed function.
11974 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
11975 df_insn_create_insn_record, df_insn_refs_delete,
11976 df_ref_create_structure): Formatting changes.
11977 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
11978 df_delete_basic_block): New function.
11979 (df_init): Changed location of flags.
11980 (df_add_problem): Added flags parameter and the way flags are
11982 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
11983 debug_df_chain): Improved debugging output.
11984 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
11985 (df_refs_chain_dump): Removed df parameter.
11986 (df_iterative_dataflow): Added consistency check.
11987 (df_prune_to_subcfg): Made public.
11988 (df_analyze_problem): Added blocks_to_init parameter and made
11990 (df_ref_record, df_bb_refs_record, df_mark_reg,
11991 df_record_exit_block_uses): Whitespace changes.
11992 (df_dump): Whitespace changes.
11993 * df.h: Some reordering to remove forward references.
11994 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
11995 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
11996 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
11997 (dataflow.flags): New field.
11998 (df.flag): Deleted field.
11999 (df_alloc_function): Added additional bitmap parameter.
12000 (df_dependent_problem_function): New type.
12001 (df_problem.changeable_flags): New field.
12002 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12003 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12004 (df_mw_hardreg): New struct.
12005 (DF_INSN_UID_MWS): New macro.
12006 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12008 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12009 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12010 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12011 (df_set_state): Removed function.
12012 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12013 * df-problems.c (df_chain_dump): Removed df parameter.
12014 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12015 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12017 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12018 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12019 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12020 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12021 DF_REF_MUST_CLOBBER cases.
12022 (df_ru_bb_local_compute_process_def,
12023 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12024 df_lr_bb_local_compute, df_ur_bb_local_compute,
12025 df_chain_create_bb): Made subreg aware.
12026 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12027 df_lr_bb_local_compute, df_lr_bb_local_compute,
12028 df_chain_create_bb): Cleanup to use proper macros.
12029 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12030 code to fixup bitvectors.
12031 (df_ri_alloc): Cleared lifetime.
12032 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12033 df_create_unused_note): New function.
12034 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12035 REG_DEAD and REG_UNUSED notes as well as register information.
12036 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12037 df_chains_dump): Fixed crash if problem was never run.
12038 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12039 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12040 df_ri_add_problem): Processes flags in uniform manner.
12041 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12042 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12043 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12044 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12045 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12046 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12047 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12048 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12049 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12050 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12051 * see.c (see_initialize_data): Ditto.
12052 * final.c (rest_of_clean_state) Added regstack_completed.
12053 * rtl.h (regstack_completed): Ditto.
12054 * reg-stack.c (regstack_completed): Ditto.
12056 2006-05-19 Mike Stump <mrs@apple.com>
12058 * c-tree.h (default_conversion): Remove.
12059 * c-common.h (default_conversion): Add.
12061 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12063 * tree-vrp.c (valid_value_p): New function.
12064 (adjust_range_with_scev): Fail if the value of bound is not
12067 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12069 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12070 (mips_fallback_frame_state): Use syscall numbers to determine
12071 the appropriate li instruction for the current ABI. Only use
12072 __NR_sigreturn for o32.
12074 2006-05-19 Nicolas Setton <setton@adacore.com>
12076 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12077 * langhooks.c (lhd_dwarf_name): New function.
12078 * langhooks-def.h (lhd_dwarf_name): Declare.
12079 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12080 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12082 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12084 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12086 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12087 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12088 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12089 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12090 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12091 determine the size of Wtype, etc.
12092 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12093 (swfloatfuncs): New variable.
12094 (dwfloatfuncs): Likewise.
12095 (lib2funcs): Remove floating-point conversion functions from
12096 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12097 the set of conversion routines needed. Allow entries to specify
12098 an object name, filename and word size. Update users accordingly.
12099 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12100 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12104 2006-02-08 Roger Sayle <roger@eyesopen.com>
12107 * config/fixtfdi.c: New libgcc source file.
12108 * config/fixunstfdi.c: New source file.
12109 * config/floatditf.c: New source file.
12110 * config/floatunditf.c: New souce file.
12111 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12112 files above instead of config/mips/_tilib.c.
12113 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12115 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12117 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12118 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12120 2006-05-18 Mike Stump <mrs@apple.com>
12122 Fix up vla, vm and [*] sematics.
12128 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12129 (c_vla_unspec_p): Add.
12130 (c_vla_type_p): Add.
12131 * c-decl.c (struct c_scope): Add had_vla_unspec.
12132 (build_array_declarator): Add support for [*].
12133 (grokdeclarator): Likewise.
12134 (grokparms): Likewise.
12135 (get_parm_info): Likewise.
12136 * c-objc-common.c (c_vla_unspec_p): Likewise.
12137 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12138 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12139 typeof when argument is a variably modified type not inside sizeof or alignof.
12140 (c_parser_direct_declarator_inner): Propagate errors.
12141 (c_parser_sizeof_expression): Add support for [*].
12142 (c_parser_parms_declarator): Initialize had_vla_unspec.
12143 (c_parser_parms_list_declarator): Likewise.
12144 * c-typeck.c (c_vla_type_p): Add.
12145 (composite_type): Add support for vla compositing.
12146 (comptypes_internal): Add support for vla compatibility.
12147 (c_expr_sizeof_expr): Evaluate vla arguments.
12148 * tree.c (variably_modified_type_p): Update comment for [*].
12150 2006-05-18 Michael Matz <matz@suse.de>
12153 * config.host: Make assignments to host_xmake_file cumulative.
12154 * config.host (*-darwin*): Test $host, not $target.
12156 2006-05-12 Stuart Hastings <stuart@apple.com>
12158 * config/i386/i386.opt (-mstackrealign): New flag.
12159 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12160 (ix86_handle_cconv_attribute): Emit error when
12161 force_align_arg_pointer attribute collides with too many regparms.
12162 (ix86_function_regparm): Limit regparms when used with
12163 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12164 Support stack-realigning prologue in non-main functions. Emit
12165 warning for nested functions under -mstackrealign, emit error for
12166 nested functions with force_align_arg_pointer attribute.
12167 * doc/extend.texi (force_align_arg_pointer): Document it.
12168 * doc/invoke.texi (-mstackrealign): Document it.
12170 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12172 PR rtl-optimization/27477
12173 * combine.c (try_combine): Don't split a parallel consisting
12174 of two sets into two individual sets if both sets reference
12177 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12179 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12180 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12182 * doc/options.texi (VarExists): Updated.
12184 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12186 * unwind-dw2.c: Add declarations for uw_update_context and
12187 uw_frame_state_for.
12188 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12189 detected, advance frame state and context once to skip over stub.
12191 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12193 PR middle-end/20256
12194 PR middle-end/26435
12195 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12196 Call rewrite_into_loop_closed_ssa only when something changed.
12197 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12198 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12199 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12200 Test for perfect_nest_p here. Fix formating.
12201 (replace_uses_equiv_to_x_with_y): Fix formating.
12202 (stmt_uses_op): Removed.
12203 (can_convert_to_perfect_nest): Removed loopivs parameter.
12204 Complete the test by checking the scalar dependences.
12205 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12208 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12211 From Dan Kegel <dank@kegel.com>:
12212 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12214 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12216 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12217 if the element type is variably modified without recursing.
12219 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12221 PR middle-end/27332
12222 * tree-loop-linear.c (try_interchange_loops): Test for
12223 no data dependences.
12225 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12227 PR tree-optimization/27548
12228 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12229 range of ssa names that appear on abnormal edges.
12230 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12231 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12233 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12235 PR middle-end/27620
12236 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12238 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12240 PR middle-end/27415
12241 * tree.h (OMP_PARALLEL_COMBINED): Define.
12242 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12243 (new_omp_context): Add is_combined_parallel argument.
12244 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12245 new_omp_context caller.
12246 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12247 Adjust gimplify_scan_omp_clauses callers.
12248 (omp_is_private): Issue errors if iteration variable is firstprivate
12249 or reduction in the current context.
12250 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12251 on combined parallel workshare constructs.
12253 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12255 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12256 (gcc-options.o): New rule.
12258 * optc-gen.awk: Protect variables for gcc-options.o with
12259 #ifdef GCC_DRIVER/#endif.
12261 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12263 Fix PR tree-optimization/27373
12264 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12265 (forward_propagate_addr_expr): Update call.
12267 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12269 * doc/options.texi: Move the Negative option.
12271 2006-05-16 Richard Guenther <rguenther@suse.de>
12273 PR tree-optimization/22303
12274 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12276 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12277 ccp_fold did not simplify the statement.
12279 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12282 * Makefile.in (GCC_OBJS): New.
12283 (OBJS-common): Add opts-common.o.
12284 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12285 (cpp$(exeext)): Likewise.
12286 (gcc.o): Also depend on opts.h.
12287 (opts-common.o): New.
12289 * common.opt (gcoff): Add Negative(gdwarf-2).
12290 (gdwarf-2): Add Negative(gstabs).
12291 (gstabs): Add Negative(gstabs+).
12292 (gstabs+): Add Negative(gvms).
12293 (gvms): Add Negative(gxcoff).
12294 (gxcoff): Add Negative(gxcoff+).
12295 (gxcoff+): Add Negative(gcoff).
12296 * config/i386/i386.opt (m32): Add Negative(m64).
12297 (m64): Add Negative(m32).
12299 * doc/options.texi: Document the Negative option.
12301 * gcc.c: Include "opts.h".
12302 (main): Call prune_options after expandargv.
12304 * optc-gen.awk: Generate common declarations for all flag
12305 variables in options.c. Output the neg_index field.
12307 * opts.c (find_opt): Moved to ...
12308 * opts-common.c: Here. New file.
12310 * opts.h (cl_option): Add a neg_index field.
12312 (prune_options): Likewise.
12314 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12316 PR middle-end/27573
12317 * omp-low.c (expand_omp_parallel): Don't assert
12318 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12319 instead search for it.
12322 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12325 2006-05-16 Andreas Schwab <schwab@suse.de>
12327 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12330 2006-05-15 Roger Sayle <roger@eyesopen.com>
12333 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12334 integer constants other than zero are only legitimate on TARGET_64BIT.
12335 <CONST_VECTOR> Only zero vectors are legitimate.
12336 (ix86_cannot_force_const_mem): Integral and vector constants can
12337 always be put in the constant pool.
12339 2006-05-16 DJ Delorie <dj@redhat.com>
12341 * crtstuff.c (__dso_handle): Set section from
12342 TARGET_LBIGCC_SDATA_SECTION if defined.
12343 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12344 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12346 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12349 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12352 2006-05-16 Ben Elliston <bje@au.ibm.com>
12354 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12356 2006-05-15 Per Bothner <per@bothner.com>
12358 * tree.c: (last_annotated_node): Use source_locus typedef.
12359 This permits bootstrapping with --enable-mapped-location.
12361 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12363 PR tree-optimization/26830
12364 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12365 (info_for_ssa_name, current_info_for_ssa_name_age,
12366 blocks_to_update): New variables.
12367 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12368 (clear_ssa_name_info, initialize_flags_in_bb,
12369 mark_block_for_update): New functions.
12370 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12371 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12372 prepare_def_site_for): Use mark_block_for_update.
12373 (mark_def_interesting): Assert that the processed block is marked in
12374 blocks_to_update. Do not take blocks argument.
12375 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12377 (rewrite_update_init_block, rewrite_update_stmt): Only process
12378 blocks with statements to rewrite.
12379 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12380 (update_ssa): Initialize and free blocks_to_update. Do not
12381 clear flags on statements. Do not use blocks bitmap.
12382 * tree.h (SSA_NAME_AUX): Removed.
12383 (struct tree_ssa_name): Removed aux field.
12384 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12386 2006-05-15 Richard Guenther <rguenther@suse.de>
12388 PR tree-optimization/27603
12389 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12390 Do computations in original type.
12392 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12394 * see.c: Code style changes such as redundant paranthesis,
12395 redundant intialization of local variables etc.
12396 (see_main): Declared now as static.
12397 * doc/invoke.texi: Update that -fsee is not enabled by
12400 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12402 * omp-low.c (check_omp_nesting_restrictions): New function.
12403 (scan_omp_1): Call it.
12405 PR middle-end/27416
12406 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12407 construct, return *VAR.
12409 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12411 PR rtl-optimization/27406
12412 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12415 2006-05-14 Roger Sayle <roger@eyesopen.com>
12417 PR rtl-optimization/27538
12418 * combine.c (expand_compound_operation): Call gen_lowpart
12419 before calling simplify_shift_const.
12421 2006-05-14 Roger Sayle <roger@eyesopen.com>
12423 PR rtl-optimization/22563
12424 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12425 a fixed width bitfield, always force the intermediates into psuedos.
12427 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12430 * mkconfig.sh: Use operator = instead of == for test.
12432 2006-05-13 Nick Clifton <nickc@redhat.com>
12434 * dwarf2out.c (dbx_reg_number): Check return value from
12435 LEAF_REG_REMAP and only use it if it is valid.
12436 (multiple_reg_loc_descriptor): Likewise.
12438 2006-05-13 Richard Guenther <rguenther@suse.de>
12440 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12443 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12445 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12446 information attached to non-INSNs such as NOTEs.
12447 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12449 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12451 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12453 * config/s390/s390.md: Adjust comment describing On constraint.
12455 2006-05-11 Jan Hubicka <jh@suse.cz>
12457 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12458 to be output at -O0.
12460 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12462 PR middle-end/27384
12463 * fold-const.c (size_binop): Move sanity check for arguments to
12464 the beginning of the function.
12466 PR middle-end/27488
12467 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12470 2006-05-11 Richard Guenther <rguenther@suse.de>
12472 PR middle-end/27529
12473 * fold-const.c (fold_unary): Handle intermediate conversion
12474 to a pointer type like intermediate conversion to an integer
12475 type in folding of (T1)(T2)var to var.
12476 Match the code to the comment in the final conversion for
12477 (T1)(T2)var to (T1)var regarding to type precision. Rather
12478 than disallow T1 being of pointer type, assert that both T1
12479 and var are of pointer type or not. Make sure not to fall
12480 over the frontends lazyness wrt array to pointer decay though.
12482 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12484 * arm.c (arm_struct_value_rtx): Delete.
12485 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12486 (arm_init_cumulative_args): Always initialize nregs to zero.
12488 2006-05-10 Richard Guenther <rguenther@suse.de>
12490 PR tree-optimization/27532
12491 * tree-object-size.c (plus_expr_object_size): Fix typo.
12493 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12496 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12497 ashrdi_const, ashrdi3): Use a scratch register.
12499 2006-05-10 Richard Guenther <rguenther@suse.de>
12501 PR tree-optimization/27302
12502 * fold-const.c (operand_equal_p): For two comparisons,
12503 try comparison of one comparison code swapped if that yields
12506 2006-05-10 Ben Elliston <bje@au.ibm.com>
12508 * tree-pretty-print.c (pretty_print_string): No need to handle
12509 '\0' as a special character.
12511 * tree.h: Include "hashtab.h".
12512 (iterative_hash_expr): Use hashval_t in its prototype.
12513 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12515 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12518 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12519 (hppa*64*-*-hpux11*): Ditto.
12520 (hppa[12]*-*-hpux11*): Ditto.
12522 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12525 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12527 2006-05-09 Michael Matz <matz@suse.de>
12529 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12530 host_extra_gcc_objs and host_xmake_file.
12531 (<*-*-linux*>): Don't overwrite host_xmake_file.
12532 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12533 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12534 (host_detect_local_cpu): Declare.
12535 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12536 * config/i386/i386.c (override_options): Handle -mtune=native
12538 * config/i386/x-i386: New file.
12539 * config/i386/driver-i386.c: New file.
12540 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12543 2006-05-09 Dirk Mueller <dmueller@suse.de>
12544 Richard Guenther <rguenther@suse.de>
12546 PR middle-end/27498
12547 * fold-const.c (fold_read_from_constant_string): Relax check
12548 for matching types to matching modes.
12550 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12552 PR rtl-optimization/27335
12553 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12556 2006-05-08 Chao-ying Fu <fu@mips.com>
12557 Richard Sandiford <richard@codesourcery.com>
12559 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12560 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12561 * config/mips/mips.md (UNSPEC_SCC): New constant.
12562 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12563 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12564 (mips_emit_compare): Use it.
12565 (mips_expand_vcondv2sf): New function.
12567 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12569 Fix PR tree-optimization/27093
12570 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12571 renaming when they become not-used_alone.
12573 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12575 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12576 relocation and relocation stubs.
12578 2006-05-08 Eric Christopher <echristo@apple.com>
12580 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12583 2006-05-08 Jan Hubicka <jh@suse.cz>
12585 PR middle-end/24561
12586 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12587 unused static functions are needed.
12589 2006-05-08 Roger Sayle <roger@eyesopen.com>
12592 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12593 of a reg_equiv_constant if the result is a legitimate constant.
12595 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12598 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12599 standard 80387 constants, raise the cost to prevent
12600 compress_float_constant() to generate load from memory.
12602 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12604 * config/arm/constraints.md (c): Fix a typo.
12606 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12609 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12612 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12614 (_mm_mwait): Likewise.
12616 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12618 (sse3_monitor): Make it 32bit only.
12619 (sse3_monitor64): New. 64bit monitor.
12621 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12624 * config/i386/i386.c (classify_argument): Skip fields with invalid
12627 2006-05-07 Richard Guenther <rguenther@suse.de>
12629 PR tree-optimization/27409
12630 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12631 Do not try to find zero-sized subvars.
12633 2006-05-07 Richard Guenther <rguenther@suse.de>
12635 PR tree-optimization/27136
12636 * tree-ssa-loop-niter.c (get_val_for): Correct function
12637 comment, assert requirements.
12638 (loop_niter_by_eval): Stop processing if the iterated
12639 value did not simplify.
12641 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12643 * opts.c (flag_see): remove its setting at -O3.
12645 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12647 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12648 * arm/constraints.md: New file.
12649 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12650 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12651 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12652 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12653 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12654 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12655 * arm.md: Include constraints.md.
12656 (thumb_movsi_insn): Use satisfies_constraint_J.
12657 (movhi, movqi): Use satisfies_constraint_I.
12659 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12661 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12662 for atmeg a645 device.
12664 2006-05-06 Richard Guenther <rguenther@suse.de>
12666 PR tree-optimization/27151
12667 * tree-vect-transform.c (vectorizable_condition): Punt on
12668 values that have a different type than the condition.
12670 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12673 * c-parser.c (c_parser_cast_expression): Only insert casts into
12674 hash table if pointer.
12675 * function.c (used_types_insert_helper): Rename from
12677 (used_types_insert): Call used_types_insert_helper.
12678 * function.h (used_types_insert): Accept only one argument.
12680 2006-05-05 David Edelsohn <edesohn@gnu.org>
12682 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12683 scratch with output modifier.
12685 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12688 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12689 with output modifier.
12691 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12694 * config/mips/mips.c (mips_symbolic_address_p): Return true
12695 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12696 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12698 2006-05-04 Richard Guenther <rguenther@suse.de>
12700 PR tree-optimization/14287
12701 PR tree-optimization/14844
12702 PR tree-optimization/19792
12703 PR tree-optimization/21608
12704 PR tree-optimization/27090
12705 * tree-ssa-pre.c (try_combine_conversion): New function.
12706 (compute_avail): After constructing the value-handle
12707 expression, use try_combine_conversion to combine NOP_EXPRs
12708 with previous value-handle expressions and use the result if it
12711 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12713 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12715 2006-05-04 Jan Hubicka <jh@suse.cz>
12717 PR middle-end/25962
12718 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12720 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12722 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12723 that this only matches CONST_INTs. All users changed to VOIDmode
12726 * config/bfin/bfin.c: Include "optabs.h".
12727 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12729 (enum bfin_builtins): Add a number of fractional and vector builtins.
12730 (bfin_init_builtins): Likewise.
12731 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12732 (safe_vector_operand, bfin_expand_binop_builtin,
12733 bfin_expand_unop_builtin): New functions.
12734 (bfin_expand_builtin): Handle the new builtins.
12735 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12738 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12741 * Makefile.in (OBJS-common): Add see.o.
12742 (see.o): Add dependencies.
12743 * common.opt (fsee): New flag for the see optimization was added.
12744 * opts.c (flag_see): Initialized.
12745 * passes.c (init_optimization_passes, pass_see): New pass.
12746 * rtl.h (see_main): Declaration as extern.
12747 * timevar.def (TV_SEE): New.
12748 * tree-pass.h (pass_see): Declaration as extern.
12749 * invoke.texi (-fsee): Document.
12750 * recog.c (validate_simplify_insn): New function.
12751 * recog.h (validate_simplify_insn): Declaration as extern.
12752 * df-problems.c (df_chain_dump): Check for NULL.
12754 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12755 Daniel Berlin <dberlin@dberlin.org>
12757 * cfgrtl.c (insert_insn_bb_end_new): New function.
12758 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12760 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12762 * df.h (struct web_entry): Moved from web.c.
12763 (union_defs): Declaration as extern.
12764 (unionfind_root): Likewise.
12765 (unionfind_union): Likewise.
12766 * web.c (struct web_entry): Moved to df.h.
12767 (unionfind_root): Remove static declaration.
12768 (unionfind_union): Likewise.
12769 (union_defs): Likewise and generalize to use callback function.
12770 (web_main): Update arguments for union_defs function call.
12772 2006-05-04 Richard Guenther <rguenther@suse.de>
12774 PR tree-optimization/26447
12775 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12776 produce SSA_NAME copies before the store stmt to avoid
12777 breaking exception handling.
12779 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12781 PR middle-end/27388
12782 * gimplify.c (omp_is_private): If var is shared in some outer context,
12783 return false instead of true. Stop searching on parallel context
12786 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12789 * coverage.c: Use get_gcov_unsigned_t() instead of
12790 unsigned_type_node all over.
12792 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12794 PR tree-optimization/27381
12795 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12796 maintain the same immediate_use links.
12797 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12798 node rather than segfaulting.
12800 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12803 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12804 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12805 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12807 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12809 Fix PR tree-optimization/26626
12810 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12812 * tree-ssa-operands.c (access_can_touch_variable): Allow
12813 typecasting through union pointers.
12815 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12818 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12819 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12820 to find if var will be a global variable even in the nested context.
12821 (omp_copy_decl): Only check for global variable at the end, it might
12822 be overridden in outer contexts.
12823 (scan_sharing_clauses): For global variables don't create a field.
12824 (lower_rec_input_clauses): Do nothing for global shared variables.
12825 Emit a barrier at the end of ILIST if there were any decls in both
12826 firstprivate and lastprivate clauses.
12827 (lower_send_clauses): Do nothing for global variables except for
12830 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
12832 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
12833 of the correct signedness is returned.
12835 2006-05-02 Jeff Law <law@redhat.com>
12837 PR tree-optimization/27364
12838 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
12839 multiply expressions.
12841 2006-05-02 Tom Tromey <tromey@redhat.com>
12843 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
12845 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
12848 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
12849 -mthumb -fPIC are used.
12851 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
12852 Joshua Kinard <kumba@gentoo.org>
12855 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
12856 with 64-bit pointers.
12858 2006-05-02 Paul Brook <paul@codesourcery.com>
12860 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
12862 (create_fix_barrier): Check that a suitable barrier location is
12864 (arm_reorg): Include ftmp->address in allowable range of addresses.
12866 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
12869 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
12872 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12874 PR middle-end/27337
12875 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
12876 around RESULT_DECL for result passed by reference.
12877 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
12878 * omp-low.c (use_pointer_for_field): Don't look at
12879 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
12880 (scan_omp_1): Call remap_decl on RESULT_DECLs.
12881 (lower_rec_input_clauses): Don't allocate VLA memory for the second
12882 time or var for passing by reference for
12883 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
12884 TREE_ADDRESSABLE variables when passing by reference.
12886 * omp-low.c (dump_omp_region): Fix output formatting.
12888 PR middle-end/27328
12889 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
12890 (expand_omp_parallel): Likewise.
12891 * tree-cfg.c (move_sese_region_to_fn): Likewise.
12893 PR middle-end/27325
12894 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
12895 on statement list containing also constructors and destructors.
12896 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
12898 PR middle-end/27310
12899 * except.c (duplicate_eh_regions): Fix clearing of
12900 cfun->eh->region_array entries.
12902 2006-05-01 DJ Delorie <dj@redhat.com>
12904 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
12906 (gcc_cv_objdump): Likewise.
12907 * configure: Regenerated.
12909 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
12912 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
12913 templates for case 3 and 4.
12915 2006-05-01 DJ Delorie <dj@redhat.com>
12917 * vec.c: Include bconfig.h when appropriate.
12918 * Makefile.in (build/vec.o): Adjust dependencies.
12919 * mkconfig.sh: Make sure config.h isn't used for build machine
12922 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12924 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
12926 (mark_phi_for_rewrite): New function.
12927 (insert_phi_nodes_for, mark_use_interesting): Call
12928 mark_phi_for_rewrite.
12929 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
12930 (update_ssa): Initialize and free phis_to_rewrite.
12932 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12934 PR rtl-optimization/27291
12935 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
12936 folded to a constant.
12938 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12940 PR tree-optimization/27283
12941 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
12942 not whole # of iteration descriptions.
12943 (niter_for_exit): Return just # of iterations. Fail if # of iterations
12944 uses abnormal ssa name.
12945 (niter_for_single_dom_exit): Ditto.
12946 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
12947 return just the number of iterations.
12949 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
12951 PR tree-optimization/27144
12952 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
12953 (record_estimate): Only record constant upper bound.
12954 (infer_loop_bounds_from_undefined): Call
12955 compute_estimated_nb_iterations just once.
12956 (proved_non_wrapping_p): Renamed to ...
12957 (n_of_executions_at_most): ... this. Expect bound to be a constant.
12958 (convert_step_widening, scev_probably_wraps_p): Call
12959 n_of_executions_at_most instead of proved_non_wrapping_p.
12960 (substitute_in_loop_info): Do not replace values in bounds.
12961 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
12964 2006-05-01 Richard Henderson <rth@redhat.com>
12967 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
12968 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
12971 2006-05-01 Roger Sayle <roger@eyesopen.com>
12973 * c-typeck.c (parser_build_binary_op): Don't call the function
12974 unsigned_conversion_warning to spot operand/result type overflow.
12975 (build_binary_op): Instead, call convert_and_check instead of
12976 convert to report the problem when the operands are promoted.
12977 * c-common.c (unsigned_conversion_warning): Make static.
12978 * c-common.h (unsigned_conversion_warning): Delete prototype.
12980 2006-05-01 Richard Guenther <rguenther@suse.de>
12982 PR tree-optimization/26726
12983 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
12985 (find_interesting_uses_address): ... we work around here
12986 by folding INDIRECT_REFs in the substituted base.
12988 2006-05-01 Diego Novillo <dnovillo@redhat.com>
12990 * omp-low.c (dump_omp_region): Add newlines.
12992 2006-04-30 Roger Sayle <roger@eyesopen.com>
12994 * common.opt (Woverflow): New command line option.
12995 * c-common.c (constant_expression_warning): Check warn_overflow.
12996 (overflow_waring): Pass OPT_Woverflow to warning.
12997 (unsigned_conversion_warning): Likewise.
12998 (convert_and_check): Likewise.
12999 * doc/invoke.texi: Document new command line option.
13001 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13003 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13004 TARGET_NO_FP_IN_TOC for section anchors.
13005 (optimization_options): Enable section anchors for all
13006 non-"Objective" languages.
13008 2006-04-28 Eric Christopher <echristo@apple.com>
13010 * config/darwin-c.c (darwin_ms_struct): Move this
13011 (darwin_set_default_type_attributes): and this...
13012 * config/darwin.c: ... here.
13013 * config/darwin.h (darwin_ms_struct): Declare.
13015 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13017 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13019 2006-04-28 Roger Sayle <roger@eyesopen.com>
13022 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13023 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13024 an unsigned HOST_WIDE_INT.
13025 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13027 (really_start_incremental_init): No need to call convert because
13028 bitsize_zero_node is already of type bitsizetype.
13029 (push_init_level): Extract the value of constructor_index as an
13030 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13031 (process_init_element): Likewise.
13033 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13035 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13036 value before passing to make_relative_prefix.
13038 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13040 PR middle-end/27260
13041 * builtins.c (expand_builtin_memset): Expand val in original mode.
13043 2006-04-27 Eric Christopher <echristo@apple.com>
13045 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13046 with #ifndef/#endif.
13047 * config/darwin-c.c (darwin_ms_struct): New.
13048 (darwin_pragma_ms_struct): Ditto.
13049 (darwin_set_default_type_attributes): Ditto.
13050 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13051 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13052 Register ms_struct pragma.
13053 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13054 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13055 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13056 darwin_set_default_type_attributes if TARGET_MACHO.
13058 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13060 PR tree-optimization/26854
13061 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13062 * doc/tree-ssa.texi: Update immuse iterator documentation.
13063 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13064 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13065 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13066 first_safe_imm_use, next_safe_imm_use): Remove.
13067 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13068 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13069 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13070 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13071 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13072 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13073 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13074 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13075 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13076 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13077 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13078 (perfect_nestify): Use new iterator.
13079 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13081 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13082 (next_imm_name): New field in struct immediate_use_iterator_d.
13083 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13084 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13085 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13086 * tree-cfg.c (replace_uses_by): Use new iterator.
13087 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13088 * tree-ssa-operands.c (correct_use_link): Remove.
13089 (finalize_ssa_use_ops): No longer call correct_use_link.
13091 2006-04-27 Stuart Hastings <stuart@apple.com>
13093 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13094 * config/t-darwin (crt3.o): Use it.
13095 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13096 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13097 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13098 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13099 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13102 2006-04-27 Roger Sayle <roger@eyesopen.com>
13104 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13105 size, force the intermediate into a new pseudo rather instead of
13106 performing both a bitwise AND and a bitwise IOR in memory.
13108 2006-04-27 Richard Guenther <rguenther@suse.de>
13110 PR rtl-optimization/26685
13111 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13112 this one "max-flow-memory-locations".
13114 2006-04-27 Richard Guenther <rguenther@suse.de>
13116 PR tree-optimization/25148
13117 * tree-vrp.c (compare_values): Remove code dealing with
13118 comparisons against type min/max value. Honour overflow
13119 and negative constants in code dealing with comparisons
13120 of plus and minus expressions.
13121 (value_inside_range): Use fold_binary with LE_EXPR and
13122 GE_EXPR rather than compare_values.
13124 2006-04-27 Dirk Mueller <dmueller@suse.de>
13126 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13129 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13131 * basic-block.h (safe_insert_insn_on_edge): Removed.
13132 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13134 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13135 Paolo Bonzini <bonzini@gnu.org>
13137 PR middle-end/27282
13138 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13139 (simplify_and_const_int): Same.
13141 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13143 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13145 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13148 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13149 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13150 cgraph_global_info_ready.
13152 PR middle-end/26913
13153 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13156 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13157 either decl or init is error_mark_node.
13159 PR middle-end/25989
13160 * tree-flow.h (struct omp_region): Add sched_kind.
13161 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13162 instead of extracting omp for data.
13163 (expand_omp_for): Save extracted sched_kind.
13165 2006-04-25 Roger Sayle <roger@eyesopen.com>
13167 * expmed.c (store_bit_field): Also check whether the bitsize is
13168 valid for the machine's "insv" instruction before moving the
13169 target into a pseudo for use with the insv.
13170 * config/i386/predicates.md (const8_operand): New predicate.
13171 * config/i386/i386.md (extv, extzv, insv): Use the new
13172 const8_operand predicate where appropriate.
13174 2006-04-25 DJ Delorie <dj@redhat.com>
13176 * doc/install.texi (Specific): Clarify that this is not a list of
13177 supported hosts or targets.
13179 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13181 PR rtl-optimization/26725
13182 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13183 block's BB_DIRTY flag.
13185 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13187 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13190 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13191 to print an integer.
13193 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13195 * varasm.c (align_variable): New function.
13196 (get_block_for_decl): Apply align_variable to DECL before
13197 calculating section information.
13198 (assemble_variable): Split out alignment computation.
13200 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13202 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13205 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13207 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13208 MODE_PARTIAL_INT mode.
13209 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13210 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13212 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13213 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13215 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13217 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13219 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13220 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13221 MACFLAG_IH): Likewise.
13222 (movstricthi_1): Renamed from "*movstricthi".
13223 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13224 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13225 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13226 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13227 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13228 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13229 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13230 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13231 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13232 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13233 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13234 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13235 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13236 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13237 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13239 * doc/rtl.texi (ss_ashift): Improve wording.
13241 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13243 * dwarf2out.c (verify_marks_clear): New.
13244 (prune_unused_types): Call verify_marks_clear initially, not
13247 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13249 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13250 * doc/rtl.texi: Document them.
13251 * simplify-rtx.c (simplify_unary_operation,
13252 simplify_binary_operation_1): Don't abort when we see them.
13254 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13257 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13258 * configure.ac: Completely disregard languages that are not
13260 * configure: Regenerated.
13262 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13263 Richard Guenther <rguenther@suse.de>
13265 PR tree-optimization/27236
13266 * tree-inline.c (copy_body_r): Make sure to copy
13267 TREE_THIS_VOLATILE flag.
13269 2006-04-24 Richard Guenther <rguenther@suse.de>
13271 PR middle-end/26869
13272 * tree-complex.c (update_parameter_components): Don't handle
13273 unused parameters which have no default def.
13275 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13276 Richard Guenther <rguenther@suse.de>
13278 PR tree-optimization/27218
13279 * tree-inline.c (expand_call_inline): Strip useless type
13280 conversions for the return slot address.
13282 2006-04-24 Richard Guenther <rguenther@suse.de>
13284 * cfgloop.h (struct loops): Remove unused field array. Reorder
13286 (LOOP_PREFETCH): Remove.
13288 2006-04-24 Richard Guenther <rguenther@suse.de>
13290 PR tree-optimization/22525
13291 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13292 variable, adjust types of generated expressions.
13294 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13296 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13297 (tree-vect-patterns.o): Likewise.
13298 (jump.o): Likewise.
13299 (cselib.o): Likewise.
13300 (loop-doloop.o): Likewise.
13301 (regclass.o): Likewise.
13302 (reload1.o): Likewise.
13303 (explow.o): Replace target.h with $(TARGET_H).
13304 (ipa-prop.o): Likewise.
13305 (ipa-cp.o): Likewise.
13306 (ipa-inline.o): Likewise.
13307 (reorg.o): Likewise.
13308 (reg-stack.o): Likewise.
13310 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13312 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13314 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13316 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13318 * configure.ac: Completely disregard languages that are not
13320 * configure: Regenerated.
13323 * c-common.h (c_build_bitfield_integer_type): Declare.
13324 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13325 * c-common.c (c_build_bitfield_integer_type): ... here.
13327 2006-04-23 Roger Sayle <roger@eyesopen.com>
13330 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13331 a SImode SUBREG of a floating point register after no_new_pseudos.
13333 2006-04-23 Roger Sayle <roger@eyesopen.com>
13335 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13336 identify potentially eliminable registers to additionally catch
13337 VIRTUAL_INCOMING_ARGS_REGNUM.
13338 (addsi3): Update the conditions on when to use addsi_small_int.
13340 2006-04-23 Roger Sayle <roger@eyesopen.com>
13343 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13344 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13345 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13347 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13349 * fold-const.c (range_predecessor): Use operand_equal_p
13350 as the predicate for equality.
13351 (range_successor): Likewise.
13353 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13356 * config/soft-fp/op-common.h: Fix a typo.
13358 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13360 PR libmudflap/26864
13361 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13362 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13364 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13366 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13368 * doc/tm.texi: Fix a typo.
13370 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13372 * dwarf2out.c (struct die_struct): Document that die_sib makes
13373 a circular linked list.
13374 (FOR_EACH_CHILD): New.
13375 (reverse_die_lists): Delete.
13376 (reverse_all_dies): Delete.
13377 (add_dwarf_attr): Correct documentation.
13378 (remove_child_with_prev): New.
13379 (remove_child_TAG): Update for change to die_struct, use
13380 remove_child_with_prev.
13381 (add_child_die): Update for change to die_struct.
13382 (splice_child_die): Use remove_child_with_prev and add_child_die.
13383 (print_die): Use FOR_EACH_CHILD.
13384 (die_checksum): Likewise.
13385 (assign_symbol_names): Likewise.
13386 (output_location_lists): Likewise.
13387 (build_abbrev_table): Likewise.
13388 (calc_die_sizes): Likewise.
13389 (mark_dies): Likewise.
13390 (unmark_dies): Likewise.
13391 (unmark_all_dies): Likewise.
13392 (output_die): Likewise.
13393 (prune_unused_types_mark): Likewise.
13394 (prune_unused_types_walk): Likewise.
13395 (same_die_p): Update for change to die_struct.
13396 (break_out_includes): Likewise.
13397 (prune_unused_types_prune): Likewise.
13398 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13399 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13400 it's already clear.
13401 (dwarf2out_finish): Don't call reverse_all_dies.
13403 2006-04-21 Eric Christopher <echristo@apple.com>
13405 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13406 in comments and function names.
13408 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13411 * c-typeck.c (digest_init): Robustify.
13413 * c-typeck.c (pop_init_level): Simplify.
13415 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13417 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13419 2006-04-21 Paul Brook <paul@codesourcery.com>
13421 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13422 hardware floating point.
13424 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13426 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13429 2006-04-21 Nick Clifton <nickc@redhat.com>
13431 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13434 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13437 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13438 C++ lang type in traceback table for Objective-C++.
13440 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13442 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13444 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13446 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13449 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13450 were errors. Remove check for erroneous objects.
13452 2006-04-20 Jeff Law <law@redhat.com>
13454 PR tree-optimization/26854
13455 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13456 checking for zero or one use.
13457 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13458 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13459 * tree-ssa-reassoc.c (negate_value): Similarly.
13460 (reassociate_bb): Similarly.
13462 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13465 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13466 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13467 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13469 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13471 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13472 fp regs if the last fp arg doesn't fit in regs.
13474 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13477 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13478 that the last insn has the REG_INC note.
13480 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13481 Nathan Sidwell <nathan@codesourcery.com>
13484 * stor-layout.c (update_alignment_for_field): Do not align
13486 (place_union_field): Place union field at the start of the union.
13487 (place_field): Move ERROR_MARK check later, and use the current
13488 allocation position to maintain monotonicity.
13490 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13492 * dominance.c: Include timevar.h.
13493 (calculate_dominance_info): Use TV_DOMINANCE.
13494 * timevar.def (TV_DOMINANCE): New timevar.
13495 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13497 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13499 PR rtl-optimization/14261
13500 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13501 move would be an INSV insn.
13502 (noce_process_if_block): Don't optimize if the destination is a
13503 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13505 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13507 * config/s390/s390.md: Add comments with the instructions emitted
13508 by an insn pattern if macros are used.
13510 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13512 PR rtl-optimization/26026
13513 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13514 is a known power of two shifted left a variable amount.
13516 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13518 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13519 to hash table twice when the debug_str section has SECTION_MERGE.
13521 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13523 * config/soft-fp: New directory. From glibc.
13524 * config/soft-fp/t-softfp: New.
13525 * config/soft-fp/README: New.
13526 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13527 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13528 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13529 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13530 * config.gcc: Use rs6000/t-fprules-fpbit or
13531 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13533 * config/rs6000/sfp-machine.h: New. Based on glibc.
13534 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13536 * config/rs6000/t-fprules: Remove fp-bit rules.
13537 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13538 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13539 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13540 (softfp_wrap_start, softfp_wrap_end): New.
13542 2006-04-18 DJ Delorie <dj@redhat.com>
13544 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13546 2006-04-18 Devang Patel <dpatel@apple.com>
13548 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13550 2006-04-18 Nick Clifton <nickc@redhat.com>
13552 * config/sh/t-symbian: Add rule to build sh-c.o
13553 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13554 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13555 (sh_symbian_encode_section_info): Likewise.
13557 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13559 * builtins.c (expand_builtin_strcmp): Cover label definition of
13560 do_libcall with HAVE_cmpstrnsi.
13562 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13564 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13566 * function.h (temp_slot_p): New.
13567 (function): Change the type of x_used_temp_slots to
13568 VEC(temp_slot_p,gc) *.
13570 2006-04-18 Nick Clifton <nickc@redhat.com>
13572 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13573 flag_strength_reduce.
13575 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13577 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13581 Partial revert of revision 112637
13582 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13583 Dale Johannesen <dalej@apple.com>
13586 * regclass.c (struct reg_pref): Update documentation.
13587 (regclass): Set prefclass to NO_REGS if memory is the best option.
13588 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13590 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13592 PR tree-optimization/26821
13593 * tree-ssa-math-opts.c (get_constant_one): New.
13594 (insert_reciprocals): Use it.
13596 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13598 * dwarf2out.c (free_AT): Delete.
13599 (remove_AT): Update string ref counts.
13600 (remove_child_TAG): Don't call free_die.
13601 (free_die): Delete.
13602 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13603 or DW_TAG_GNU_EINCL.
13604 (prune_unused_types_walk_attribs): Reset string refcounts.
13605 (prune_unused_types_update_strings): New.
13606 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13607 call free_die. Do call prune_unused_types_update_strings.
13608 (prune_unused_types): Empty debug_str_hash.
13610 2006-04-17 Roger Sayle <roger@eyesopen.com>
13612 * expr.c (expand_assignment): Optimize away no-op moves where the
13613 source and destination are equal and have no side-effects.
13615 2006-04-17 Richard Guenther <rguenther@suse.de>
13618 * reload.c (push_reload): Guard calls to get_secondary_mem
13619 for memory subregs.
13621 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13623 * alias.c (reg_base_value, old_reg_base_value): Change the
13624 type to VEC(rtx,gc) *.
13625 (REG_BASE_VALUE, find_base_value, record_set,
13626 init_alias_analysis): Use VEC instead of VARRAY.
13628 * alias.c (alias_sets): Change the type to
13629 VEC(alias_set_entry,gc) *.
13630 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13631 VEC instead of VARRAY.
13632 (last_alias_set): Remove.
13634 * cgraph.h (cgraph_edge_p): New.
13635 Update the prototype of cgraph_function_versioning.
13636 * cgraphunit.c (cgraph_copy_node_for_versioning,
13637 cgraph_function_versioning): Use VEC instead of VARRAY.
13638 * ipa-cp.c (ipcp_insert_stage): Likewise.
13640 2006-04-16 Roger Sayle <roger@eyesopen.com>
13643 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13644 "A op B" or "A op C", we may need to convert A to the type of B and C.
13646 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13648 * target.h (struct gcc_target): Add mode_rep_extended.
13649 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13650 (init_num_sign_bit_copies_in_rep): Initialize it using
13652 (truncate_to_mode): Use it.
13653 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13654 * targhooks.h (default_mode_rep_extended): Declare it.
13655 * targhooks.c (default_mode_rep_extended): Define it.
13656 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13657 default_mode_rep_extended.
13658 (TARGET_INITIALIZER): Include it.
13659 * doc/tm.texi (Misc): Document it.
13660 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13661 (mips_truncated_to_mode): New function.
13663 2006-04-16 Roger Sayle <roger@eyesopen.com>
13665 PR middle-end/25474
13666 * expr.c (compress_float_constant): Copy the narrow constant into
13667 a new pseudo before extending it to its final width.
13669 2006-04-16 Roger Sayle <roger@eyesopen.com>
13670 Andrew Pinski <pinskia@gcc.gnu.org>
13671 Dale Johannesen <dalej@apple.com>
13674 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13675 special case code to implement V8HImode and V16QImode with SSE2.
13677 2006-04-15 Roger Sayle <roger@eyesopen.com>
13679 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13680 trees are constructed with a suitable tree type.
13682 2006-04-15 Roger Sayle <roger@eyesopen.com>
13684 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13685 (integer_onep): Likewise.
13686 (integer_all_onesp): Likewise.
13687 (integer_pow2p): Likewise.
13688 (integer_nonzerop): Likewise.
13689 (real_zerop): Likewise.
13690 (real_onep): Likewise.
13691 (real_twop): Likewise.
13692 (real_minus_onep): Likewise.
13693 (int_size_in_bytes): Likewise.
13694 (host_integerp): Likewise.
13696 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13698 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13699 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13700 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13702 * tree-ssa-structalias.h (alias_info): Remove num_references.
13704 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13706 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13707 (output_bvb patterns): Likewise.
13708 * pa.c (output_bb): Use 'bb' insn for long branch case.
13709 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13710 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13711 1. Correct length operand for alternatives 1 and 2.
13712 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13713 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13715 2006-04-14 Roger Sayle <roger@eyesopen.com>
13717 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13718 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13719 were accidentally reverted by r112959.
13721 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13723 PR middle-end/26823
13724 * except.h (eh_region_outermost): New prototype.
13725 * except.c (eh_region_outermost): New function.
13726 * tree-cfg.c (find_outermost_region_in_block): Use it.
13728 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13730 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13732 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13733 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13734 (init_reload, reload): Use VEC instead of VARRAY.
13735 * reload.h: Update the prototype for
13736 reg_equiv_memory_loc_varray.
13738 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13739 Eric Botcazou <ebotcazou@libertysurf.fr>
13741 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13742 register save area.
13744 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13746 PR middle-end/27134
13747 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13748 to expand fallback builtin function call.
13750 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13752 PR middle-end/27095
13753 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13754 and emit libcall here in case the builtin fails.
13755 (expand_builtin_strcmp): Always emit the libcall here on failure.
13757 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13759 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13760 * flow.c (reg_n_info): Change the type to
13761 VEC(reg_info_p,heap) *.
13762 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13764 * regs.h (reg_info_p): New.
13765 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13766 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13767 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13770 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13772 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13774 * params.h (MAX_SCHED_READY_INSNS): New macro.
13775 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13776 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13777 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13778 the ready list for 1 cycle during the first scheduling pass.
13779 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13781 2006-04-13 Richard Henderson <rth@redhat.com>
13784 * gimple-low.c (lower_omp_directive): Remove dead code.
13785 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13786 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13787 * omp-low.c (struct omp_region): Move to tree-flow.h.
13788 (root_omp_region): Export.
13789 (omp_regions, lookup_omp_region): Remove.
13790 (determine_parallel_type): Update for struct omp_region changes.
13791 (dump_omp_region): Dump regions with block numbers.
13792 (new_omp_region): Take type and block instead of stmt; malloc
13794 (free_omp_region_1, free_omp_regions): New.
13795 (expand_parallel_call): Take entry_stmt as argument; update for
13796 changes to omp_region.
13797 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13798 (remove_exit_barriers): New.
13799 (expand_omp_parallel): Update for struct omp_region changes.
13800 (expand_omp_synch): Likewise.
13801 (expand_omp): Likewise.
13802 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13803 (expand_omp_for_static_chunk): Likewise.
13804 (expand_omp_for): Likewise.
13805 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13806 (expand_omp_sections): Similarly, with GOMP_sections_end.
13807 (expand_omp_single): New.
13808 (build_omp_regions_1): Update for OMP_CONTINUE.
13809 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13810 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13811 OMP_SECTIONS_SECTIONS.
13812 (lower_omp_single_simple): Don't emit barrier here.
13813 (lower_omp_single_copy): Likewise.
13814 (lower_omp_single): Fix bindings, and lower to straightline now.
13815 (lower_omp_master, lower_omp_ordered): Likewise.
13816 (lower_omp_critical): Likewise.
13817 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13818 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13819 omp edges, free it afterward.
13820 (make_omp_sections_edges): Remove.
13821 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
13822 (move_stmt_r): Handle OMP_CONTINUE.
13823 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
13824 statement pointers to basic blocks. Add type member.
13825 (root_omp_region, new_omp_region, free_omp_regions): Declare.
13826 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
13827 * tree-inline.c (estimate_num_insns_1): Likewise.
13828 * tree-pretty-print.c (dump_generic_node): Likewise.
13829 * tree-ssa-operands.c (get_expr_operands): Likewise.
13830 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
13831 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
13832 (OMP_CONTINUE): New.
13833 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
13834 (OMP_SECTIONS_SECTIONS): Remove.
13835 (OMP_SECTION_LAST): New.
13836 (OMP_RETURN_NOWAIT): New.
13838 2006-04-13 Roger Sayle <roger@eyesopen.com>
13840 * fold-const.c (native_encode_vector, native_interpret_real):
13841 Correct obvious mistakes in the previous check-in.
13843 2006-04-13 Roger Sayle <roger@eyesopen.com>
13845 * fold-const.c (native_encode_expr): New function to encode
13846 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
13847 or VECTOR_CST into a specified buffer.
13848 (native_encode_int): New function.
13849 (native_encode_real): New function.
13850 (native_encode_complex): New function.
13851 (native_encode_vector): New function.
13852 (native_interpret_expr): Inverse of native_encode_expr to convert
13853 a target representation into an INTEGER_CST, REAL_CST etc...
13854 (native_interpret_int): New function.
13855 (native_interpret_real): New function.
13856 (native_interpret_complex): New function.
13857 (native_interpret_vector): New function.
13858 (fold_view_convert_expr): New function to constant fold/evaluate
13859 a VIEW_CONVERT_EXPR of a suitable constant expression.
13860 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
13861 Change call of build1 to fold_build1 when constructing a
13864 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
13865 Ulrich Weigand <uweigand@de.ibm.com>
13868 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
13871 2006-04-13 Alan Modra <amodra@bigpond.net.au>
13874 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
13875 optimize to lo_sum for DFmode if !TARGET_FPRS.
13877 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13879 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
13880 delete_alias_info, compute_flow_sensitive_aliasing,
13881 group_aliases): Use VEC instead of VARRAY.
13882 * tree-ssa-structalias.c (update_alias_info): Likewise.
13883 * tree-ssa-structalias.h (alias_info): Change the type of
13884 processed_ptrs to VEC(tree,heap) *.
13886 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
13889 * config/sh/lib1funcs.h: New file, broken out of:
13890 * config/sh/lib1funcs.asm.
13891 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
13893 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
13894 * config/sh/lib1funcs-Os-4-200.asm: New file.
13895 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
13896 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
13897 (EXTRA_MULTILIB_PARTS): Include it.
13898 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
13899 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
13900 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
13901 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
13904 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
13906 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
13907 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
13908 tpa_compact, root_var_init, type_var_init): Use VEC instead of
13910 * tree-ssa-live.h: Include vecprim.h.
13911 (tree_partition_associator_d): Change the type of
13912 first_partition to VEC(int,heap) *.
13913 (tpa_first_partition): Use VEC instead of VARRAY.
13915 * Makefile.in (GTFILES): Move functions.h after tree.h.
13916 * function.c (reset_block_changes, record_block_change,
13917 check_block_change, free_block_changes): Use VEC instead of
13919 * function.h (function): Change the type of
13920 ib_boundaries_block to VEC(tree,gc) *.
13921 * tree-inline.c (copy_cfg_body): Initialize
13922 ib_boundaries_block to NULL instead of (varray_type) 0.
13924 2006-04-12 Roger Sayle <roger@eyesopen.com>
13926 * expr.c (emit_group_store): Correct operand order in call to
13927 subreg_lowpart_offset. Always create paradoxical SUBREGs with
13928 a SUBREG_BYTE of zero.
13930 2006-04-12 Richard Guenther <rguenther@suse.de>
13932 * profile.c (compute_branch_probabilities): Remove code
13933 encapsulated in !ir_type (), which are remanents of the
13934 removed RTL profiling code.
13935 * rtl-profile.c: Remove.
13937 2006-04-12 Alan Modra <amodra@bigpond.net.au>
13939 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
13940 magic NULL_RTX comment.
13941 (function_arg): Store entire fp arg to mem if any part should go
13943 (rs6000_arg_partial_bytes): Adjust for above change.
13945 2006-04-11 Roger Sayle <roger@eyesopen.com>
13947 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
13948 if it hasn't been initialized by dwarf2out_init.
13950 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
13952 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
13953 symbolic constants in branch patterns.
13955 2006-04-11 Roger Sayle <roger@eyesopen.com>
13957 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
13959 2006-04-11 Richard Sandiford <richard@codesourcery.com>
13961 PR rtl-optimization/27073
13962 * gcse.c (try_replace_reg): Revert last change. Continue to search
13963 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
13966 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
13968 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
13969 aggregate types other than record and union types.
13970 (function_arg): Likewise.
13971 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
13973 (function_value): In 64-bit mode, return objects that require it
13976 2006-04-11 Roger Sayle <roger@eyesopen.com>
13978 * dwarf2out.c (premark_used_types): Remove problematic prototype.
13980 2006-04-11 Jakub Jelinek <jakub@redhat.com>
13982 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
13984 2006-04-03 Jeff Law <law@redhat.com>
13987 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
13988 alias information too.
13990 2006-04-10 Mike Frysinger <vapier@gentoo.org>
13992 * Makefile.in (gcc-cross): Add $(exeext) to target name.
13994 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
13997 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
13998 (premark_used_types_helper): New.
13999 (premark_used_types): New.
14000 (gen_subprogram_die): Call premark_used_types.
14001 (prune_unused_types_walk): Do not prune perennial dies.
14002 * function.c (used_types_insert): New.
14003 * function.h (struct function): Add used_types_hash field.
14004 (used_types_insert): Add prototype.
14005 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14006 * c-parser.c (c_parser_cast_expression): Save casted types in used
14009 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14012 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14013 rs6000_explicit_options.float_gprs.
14015 2006-04-10 Roger Sayle <roger@eyesopen.com>
14017 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14018 from ix86_expand_vector_init_low_nonzero. Take an additional
14019 one_var argument indicating which element is non-zero. Support
14020 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14021 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14022 with one_var instead of ix86_expand_vector_init_low_nonzero.
14024 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14026 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14027 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14028 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14029 build/genextract.o): Depend on vecprim.h.
14030 * cfglayout.c, df-problems.c, function.c, genextract.c,
14031 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14032 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14036 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14038 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14039 Declare VECs of this type.
14040 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14041 (remove_children): Delete.
14042 (add_dwarf_attr): Use VEC routines.
14043 (add_AT_flag): Update for changes to add_dwarf_attr.
14044 (add_AT_int): Likewise.
14045 (add_AT_unsigned): Likewise.
14046 (add_AT_long_long): Likewise.
14047 (add_AT_vec): Likewise.
14048 (add_AT_string): Likewise.
14049 (add_AT_die_ref): Likewise.
14050 (add_AT_fde_ref): Likewise.
14051 (add_AT_loc): Likewise.
14052 (add_AT_loc_list): Likewise.
14053 (add_AT_addr): Likewise.
14054 (add_AT_lbl_id): Likewise.
14055 (add_AT_lineptr): Likewise.
14056 (add_AT_macptr): Likewise.
14057 (add_AT_offset): Likewise.
14058 (add_AT_range_list): Likewise.
14059 (get_AT): Use VEC_iterate.
14060 (remove_AT): Use VEC_ordered_remove.
14061 (free_die): Fold remove_children into here; have it use VEC_iterate.
14062 (print_die): Use VEC_iterate on attrs.
14063 (reverse_die_lists): Don't reverse attr lists.
14064 (die_checksum): Use VEC_iterate on attrs.
14065 (same_die_p): Likewise.
14066 (output_location_lists): Likewise.
14067 (build_abbrev_table): Likewise.
14068 (size_of_die): Likewise.
14069 (unmark_all_dies): Likewise.
14070 (output_abbrev_section): Likewise.
14071 (output_die): Likewise.
14072 (prune_unused_types_walk_attribs): Likewise.
14074 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14076 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14078 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14081 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14083 2006-04-09 Roger Sayle <roger@eyesopen.com>
14085 * expr.c (store_constructor): Don't bother clearing target if
14086 we're about to assign a vector to it using vec_init_optab.
14088 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14090 * tree-ssa-alias.c (lhs_may_store_to): New function.
14091 (recalculate_used_alone): Handle LHS of calls.
14093 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14097 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14098 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14099 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14100 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14101 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14102 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14103 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14104 stubs. Add ".align 8" directives before all ".dword" directives.
14105 (GTHREAD_USE_WEAK): Revise comment.
14106 (TARGET_ATTRIBUTE_WEAK): Define.
14107 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14108 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14109 * stublib.c: New file.
14114 * pa.md (cbranch patterns): Revise arguments used in calls to
14115 output_cbranch, output_bb and output_bvd. Add long branch length
14117 (fbranch patterns): Handle long branches.
14118 (jump): Revise length check. Revise arguments for output_lbranch call.
14119 Add long branch length attributes.
14120 (decrement_and_branch_until_zero): Add long branch length attributes.
14121 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14122 Likewise. Revise arguments for output_parallel_addb and
14123 output_parallel_movb calls.
14124 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14125 output_parallel_movb and output_parallel_addb): Update prototypes.
14126 * pa.c (output_cbranch): Revise arguments. Correct handling of
14127 nullification in long branches.
14128 (output_lbranch): Add new argument to control extraction of delay
14130 (output_bb): Handle long branches.
14131 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14132 output_parallel_addb): Likewise.
14134 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14136 PR rtl-optimization/27073
14137 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14140 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14142 * tree.h (tree_memory_tag): Add old_used_alone.
14143 (SMT_OLD_USED_ALONE): New macro.
14144 * tree-ssa-alias.c (recalculate_used_alone): Stop
14145 marking things for renaming unnecessarily.
14147 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14149 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14150 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14151 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14152 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14153 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14154 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14155 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14156 spelling convensions.
14157 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14158 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14159 typos. Follow spelling conventions.
14161 2006-04-07 DJ Delorie <dj@redhat.com>
14163 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14164 passed on the stack.
14165 (m32c_init_cumulative_args): When a function returns a structure,
14166 always pass the pointer to that return area on the stack.
14167 (m32c_function_arg_advance): Don't increment the parameter number
14168 if we're processing the returned structure pointer.
14169 (pushm_info): Reverse order of registers.
14171 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14173 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14174 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14175 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14176 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14177 build_int_cst_type.
14178 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14179 chrec_fold_multiply): Same.
14180 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14181 force_expr_to_var_cost): Same.
14182 * tree-mudflap.c (mf_xform_derefs_1): Same.
14183 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14185 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14187 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14188 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14191 2006-04-07 Jan Hubicka <jh@suse.cz>
14193 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14195 2006-04-07 Richard Guenther <rguenther@suse.de>
14197 PR tree-optimization/26135
14198 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14199 loads for store copy-prop.
14200 (copy_prop_visit_stmt): Likewise.
14202 2006-04-05 Robert Millan <robertmh@gnu.org>
14204 * config/i386/linux.h: Add a comment to mark macros that are
14205 being overriden in config/k*bsd-gnu.h.
14206 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14208 * config/knetbsd-gnu.h: Ditto.
14210 2006-04-06 Jan Hubicka <jh@suse.cz>
14214 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14217 2006-04-06 Mike Stump <mrs@apple.com>
14219 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14220 for HAVE_nonlocal_goto to be consistent.
14221 (expand_builtin_nonlocal_goto): Likewise.
14222 (expand_builtin_strcmp): Use #ifdef instead of #if
14223 for HAVE_cmpstrnsi to be consistent.
14225 2006-04-05 DJ Delorie <dj@redhat.com>
14227 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14230 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14232 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14233 got-relative addressing for anything but SImode.
14235 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14236 even if the calling function doesn't modify them.
14238 2006-04-05 Richard Guenther <rguenther@suse.de>
14240 PR tree-optimization/26919
14241 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14242 to cgraph_estimate_size_after_inlining.
14244 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14246 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14248 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14250 PR tree-optimization/26996
14251 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14252 VECTOR_TYPE variables.
14254 2006-04-05 Richard Guenther <rguenther@suse.de>
14256 PR tree-optimization/26763
14257 * fold-const.c (fold_comparison): Move folding of
14258 PTR + CST CMP PTR + CST ...
14259 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14261 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14263 * doc/install.texi (Prerequisites): Refine some wording on
14264 bootstrapping and ksh.
14265 Move the version numbers of DejaGnu here from the testing section
14266 and fix casing of names.
14267 Fix markup and clarify wording for autogen requirements.
14268 Refer to GCJ instead of just java.
14269 Refer to SVN instead of CVS.
14270 Describe diffutils as useful instead of necessary.
14271 (Downloading the source): Refer to SVN instead of CVS.
14272 Adjust a link to our web site accordingly.
14273 (Configuration): Fix casing of Bison.
14274 (Building): Refer to SVN instead of CVS.
14275 Fix a sentence on the use of Bison and remove duplicate (and
14276 incorrect) version number of Bison requirement.
14277 Remove one redundant list of packages needed for building.
14278 (Specific): Avoid reference to CVS.
14280 2006-04-04 Eric Christopher <echristo@apple.com>
14282 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14283 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14284 (rs6000_handle_struct_attribute): New.
14285 (rs6000_ms_bitfield_layout_p): Ditto.
14287 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14289 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14290 NULL for dso parameter to atexit_common.
14292 2006-04-04 Eric Christopher <echristo@apple.com>
14294 * config/i386/i386.c (machopic_output_stub): Output \t
14295 between instructions and operands.
14297 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14299 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14300 satisfies_constraint_[IL] to explicit tests on value.
14302 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14304 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14305 set_nb_iterations_in_loop): Use build_int_cst instead of
14306 build_int_cst_type.
14307 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14308 build_int_cst instead of convert.
14310 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14312 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14313 new value 2 for incoming.
14314 * function.c (expand_function_start): Call struct_value_rtx
14315 with incoming as 2.
14316 * config/sparc/sparc.md: Comment updated_return.
14317 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14318 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14319 struct return if sparc_std_struct_return and incoming is 2.
14320 (print_operand): Do not adjust return if
14321 sparc_std_struct_return.
14323 2006-04-04 Roger Sayle <roger@eyesopen.com>
14325 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14326 convert in the middle-end.
14327 * expr.c (store_expr, store_constructor, get_inner_reference,
14328 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14330 * tree.c (build_range_type): Likewise.
14332 2006-04-04 Tom Tromey <tromey@redhat.com>
14334 * doc/install.texi (Prerequisites): Mention jar.
14336 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14338 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14341 2006-04-04 Matthias Klose <doko@debian.org>
14343 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14347 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14350 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14352 * doc/extend.texi (Function Attributes): Rewrite visibility
14353 attribute documentation.
14354 * doc/invoke.texi (C++ Dialect Options): Rewrite
14355 -fvisibility-inlines-hidden documentation to describe something
14356 entirely different, although in practise compatible.
14357 (Code Gen Options): Warn about system headers in -fvisibility=
14360 * doc/extend.texi (Other Builtins): Document that
14361 __builtin_nan is a compile-time constant only when its argument
14364 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14366 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14367 trying to remove TRUNCATE check if all bits outside the new mode
14368 are identical to the sign bit.
14370 2006-04-03 Jeff Law <law@redhat.com>
14372 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14373 and operand scanning in some common cases.
14375 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14376 Dale Johannesen <dalej@apple.com>
14379 * regclass.c (struct reg_pref): Update documentation.
14380 (regclass): Set prefclass to NO_REGS if memory is the best option.
14381 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14382 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14383 into account. For non-registers, equate an empty preferred
14384 reload class to a `!' in the constraint; move the if clause to
14385 do so after those that reject the insn.
14386 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14388 (find_dummy_reload): Likewise.
14389 * doc/tm.texi (Register Classes): Document what it means
14390 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14391 * config/i386/i386.c (ix86_preferred_reload_class): Force
14392 using SSE registers (and return NO_REGS for floating-point
14393 constants) if math is done with SSE.
14394 (ix86_preferred_output_reload_class): New.
14395 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14396 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14397 * config/i386/i386.md: Remove # register preferences.
14399 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14402 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14403 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14404 the type of nb_iter.
14405 (instantiate_parameters_1): Convert the operands before calling
14406 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14407 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14409 2006-04-02 Roger Sayle <roger@eyesopen.com>
14411 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14412 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14413 instead of convert.
14414 * dojump.c (do_jump): Likewise.
14415 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14416 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14417 gimplify_boolean_expr): Likewise.
14418 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14419 * varasm.c (array_size_for_constructor): Likewise.
14420 * tree-object-size.c (compute_object_offset): Likewise.
14422 2006-04-02 Roger Sayle <roger@eyesopen.com>
14424 PR middle-end/26977
14425 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14426 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14428 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14430 PR tree-optimization/26939
14431 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14433 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14435 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14436 at_stmt. Convert the type of operands before calling
14437 build_polynomial_chrec.
14438 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14439 add_to_evolution_1.
14440 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14441 (instantiate_parameters_1): Convert the type of operands before calling
14442 build_polynomial_chrec.
14443 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14444 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14445 reset_evolution_in_loop): Insert asserts to check the types of the
14447 (chrec_type): Moved...
14448 (eq_evolutions_p): Use operand_equal_p.
14449 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14450 the types of the operands.
14451 (chrec_type): ...here.
14452 * tree-data-ref.c (create_data_ref): Convert the operands before
14453 calling chrec_replace_initial_condition.
14454 (same_access_functions, analyze_subscript_affine_affine,
14455 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14456 (compute_subscript_distance, analyze_ziv_subscript,
14457 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14458 analyze_miv_subscript): Convert the operands before calling
14459 chrec_fold_minus or chrec_fold_plus.
14461 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14463 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14464 the dependence_relations vector.
14465 (compute_data_dependences_for_loop): Adjust call to
14466 compute_all_dependences.
14468 2006-04-01 Roger Sayle <roger@eyesopen.com>
14469 Richard Henderson <rth@redhat.com>
14471 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14472 gimple_boolify on the condition before calling gimplify_expr.
14474 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14476 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14477 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14478 the frame size. Update to use the new macros.
14479 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14480 * config/xtensa/ieee754-df.S: Likewise.
14482 2006-03-31 Richard Henderson <rth@redhat.com>
14484 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14485 (make_edges): ... here. Control fallthru creation with a local
14486 variable. Do not play with fake edges.
14487 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14488 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14491 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14493 * dwarf2.h (DW64_CIE_ID): Define.
14494 * dwarf2out.c (DWARF_CIE_ID): Define.
14495 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14496 length header. Use DWARF_CIE_ID.
14497 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14498 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14500 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14502 * config/sh/linux-atomic.asm: New file.
14503 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14505 2006-03-31 DJ Delorie <dj@redhat.com>
14507 * config/m32c/cond.md: Set condition flags properly throughout.
14508 * config/m32c/minmax.md: Likewise.
14509 * config/m32c/prologue.md: Likewise.
14510 * config/m32c/bitops.md: Likewise.
14511 * config/m32c/muldiv.md: Likewise.
14512 * config/m32c/mov.md: Likewise.
14513 * config/m32c/addsub.md: Likewise.
14514 * config/m32c/m32c.md: Likewise.
14515 * config/m32c/jump.md: Likewise.
14516 * config/m32c/shift.md: Likewise.
14518 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14519 conditionally output the pattern for this.
14520 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14521 (m32c_compare_redundant): New.
14522 (m32c_output_compare): New.
14523 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14525 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14526 dest, not src. Allow other 4-byte modes.
14528 2006-03-30 Denis Chertykov <denisc@overta.ru>
14530 * doc/md.texi: Refer to avr/constraints.md instead of
14533 2006-03-30 Roger Sayle <roger@eyesopen.com>
14535 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14536 signed vs. unsigned comparison failures on some hosts.
14538 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14541 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14542 change to FLOAT_REGS.
14544 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14545 (rs6000_override_options): Use it.
14546 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14547 only for -mabi=spe/no-spe and -mabi=altivec.
14549 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14551 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14554 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14556 * Makefile.in: Rename docdir to gcc_docdir.
14558 2006-03-30 Roger Sayle <roger@eyesopen.com>
14561 * expr.c (emit_group_store): Optimize group stores into a pseudo
14562 register by using a paradoxical subreg to initialize the destination
14563 if the first or last member of the group specifies a "low part".
14565 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14568 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14569 * target.h (struct gcc_target.speculate_insn): Change type of the
14570 second parameter to 'int'.
14571 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14572 the second operand of the DEPS_LIST.
14573 (copy_DEPS_LIST_list): Update reference to the second operand of the
14575 * rtl.h (alloc_DEPS_LIST): Update signature.
14576 * sched-int.h (ds_t): Change typedef to 'int'.
14577 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14579 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14581 * haifa-sched.c (try_ready): Change condition to restore
14582 non-speculative pattern of the instruction.
14583 (process_insn_depend_be_in_spec): Code to keep probability of the
14584 speculative dependence non-decreasing.
14586 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14588 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14589 (single_move_for_movmem): ... this. Also change all uses.
14590 (bfin_expand_strmov): Renamed to...
14591 (bfin_expand_movmem): ... this. Also change all uses.
14592 * config/bfin/bfin.md (movstrsi): Renamed to...
14593 (movstrsi): ...this.
14595 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14597 PR tree-optimization/26830
14599 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14600 (copy_prop_visit_stmt): Remove write-only variable ann.
14601 (init_copy_prop): Check variable loop depth here. Do not simulate
14602 memory-tag and virtual operand PHIs except for store copy prop.
14604 2006-03-30 Richard Guenther <rguenther@suse.de>
14606 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14607 variants with double arguments.
14609 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14611 * genpreds.c (write_tm_constrs_h): Delete variable p.
14612 * genconditions.c (write_header): Add tm-constrs.h to included
14614 * genpeep.c (main): Add toplev.h to included headers.
14615 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14616 (build/genpeep.o): Add toplev.h dependency.
14617 * config/rs6000/constraints.md: Add "W" constraint.
14619 2006-03-29 Roger Sayle <roger@eyesopen.com>
14621 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14622 sizes by correctly testing whether the size fits a host integer.
14623 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14624 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14625 SImode range for the default sizetype and bitsizetype.
14627 2006-03-29 Roger Sayle <roger@eyesopen.com>
14629 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14630 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14631 quickly if the argument is already of the correct type.
14632 Call fold_build1 instead of build1. Tidy up blank lines.
14634 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14636 * genemit.c (main): Add tm-constrs.h to included headers.
14637 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14638 * genpeep.c (main): Add tm-constrs.h to included headers.
14639 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14640 (write_tm_constrs_h): this and write complete file.
14641 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14642 (write_insn_preds_c): Add tm-constrs.h to included headers.
14643 (gen_constrs): New variable.
14644 (parse_option): Parse "-c".
14645 (main): Invoke write_tm_constrs_h.
14646 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14647 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14648 (object_out_file): Add tm-constrs.h dependency.
14649 (insn-emit.o): Same.
14650 (insn-output.o): Same.
14651 (insn-peep.o): Same.
14652 (insn-preds.o): Same.
14653 (insn-recog.o): Same.
14654 (tm-constsr.h): New target.
14655 (s-constrs-h): New target.
14657 * config/rs6000/constraints.md: New file.
14658 * config/rs6000/rs6000.c: Include tm-constrs.h.
14659 (num_insn_constant_wide): Convert to satisfies_constraint.
14660 (rs6000_rtx_costs): Convert to satisfies_constraint.
14661 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14662 (CONST_OK_FOR_LETTER_P): Delete.
14663 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14664 (EXTRA_CONSTRAINT): Delete.
14665 (EXTRA_MEMORY_CONSTRAINT): Delete.
14666 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14667 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14668 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14669 satisfies_constraint.
14671 * config/i386/i386.c: Include tm-constrs.h.
14673 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14675 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14676 * tree-data-ref.c (find_data_references_in_loop,
14677 compute_data_dependences_for_loop): Use pointers to VEC.
14678 (analyze_all_data_dependences): Adjust calls.
14679 * tree-data-ref.h (find_data_references_in_loop,
14680 compute_data_dependences_for_loop): Adjust declarations.
14681 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14682 compute_data_dependences_for_loop.
14684 2006-03-29 Paul Brook <paul@codesourcery.com>
14686 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14687 (movdf_vfp): Ditto.
14689 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14691 PR tree-optimization/26859
14692 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14694 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14695 for the step after fold_convert.
14697 2006-03-29 Paul Brook <paul@codesourcery.com>
14699 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14700 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14702 2006-03-29 Paul Brook <paul@codesourcery.com>
14704 PR middle-end/23623
14705 * targhooks.c (default_narrow_bitfield): New fuction.
14706 * targhooks.h (default_narrow_bitfield): add prototype.
14707 * target.h (gcc_target): Add narrow_volatile_bitfield.
14708 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14709 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14710 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14711 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14713 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14715 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14717 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14718 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14719 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14720 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14721 (s390_function_arg_float): Allow SDmode and DDmode values to be
14722 passed in floating point registers.
14723 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14724 check with SCALAR_FLOAT_MODE_P.
14725 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14727 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14729 PR tree-optimization/25985
14730 * tree-ssa-loop-niter.c (number_of_iterations_le,
14731 number_of_iterations_ne): Make comments more precise.
14732 (number_of_iterations_cond): Add only_exit argument. Use the
14733 fact that signed variables do not overflow only when only_exit
14735 (loop_only_exit_p): New.
14736 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14737 number_of_iterations_cond.
14739 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14741 PR tree-optimization/26643
14742 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14745 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14747 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14748 (divsi3_i4_int): Likewise.
14750 2006-03-28 Roger Sayle <roger@eyesopen.com>
14752 * expr.c (emit_group_store): Only create a new pseudo reg if the
14753 quantity it needs to hold isn't already a suitable pseudo.
14755 2006-03-28 Jeff Law <law@redhat.com>
14757 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14758 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14760 2006-03-28 Roger Sayle <roger@eyesopen.com>
14762 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14763 the equivalent ~X & Y, and the symmetry related transformations.
14764 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14765 ~X & Y, and symmetry related transforms.
14767 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14769 Revert my 2006-03-27 patches.
14771 2006-03-28 Roger Sayle <roger@eyesopen.com>
14773 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14774 ~(T1)X, when T1 and T2 are integer types of the same precision
14775 and (T2)X isn't an extension.
14777 2006-03-28 Jeff Law <law@redhat.com>
14779 PR tree-optimization/26796
14780 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14781 need EH edge cleanups rather than purging them immediately.
14782 (eliminate_degenerate_phis): Handle queued EH cleanups.
14784 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14786 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14789 2006-03-27 Roger Sayle <roger@eyesopen.com>
14791 PR middle-end/22524
14792 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14793 cast BIT_NOT_EXPR operand to the correct type.
14795 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14797 * tree-loop-linear.c: Don't include varray.h.
14798 (gather_interchange_stats, try_interchange_loops,
14799 linear_transform_loops): Use VEC instead of VARRAY.
14800 * lambda-mat.c: Don't include varray.h.
14801 * tree-chrec.c: Same.
14802 * lambda-trans.c: Same.
14803 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14804 VEC instead of VARRAY.
14805 * tree-vectorizer.h: Idem.
14806 * tree-data-ref.c (dump_data_references,
14807 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14808 initialize_data_dependence_relation, finalize_ddr_dependent,
14809 compute_all_dependences, find_data_references_in_loop,
14810 compute_data_dependences_for_loop, analyze_all_data_dependences,
14811 free_dependence_relation, free_dependence_relations,
14812 free_data_refs): Idem.
14813 * tree-data-ref.h (data_reference_p, subscript_p): New.
14814 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14815 VEC instead of VARRAY.
14816 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14817 (find_data_references_in_loop, compute_data_dependences_for_loop,
14818 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14819 dump_data_dependence_relations, free_dependence_relations,
14820 free_data_refs): Adjust declaration.
14821 (lambda_transform_legal_p): Move declaration here...
14822 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
14823 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
14824 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
14825 vect_analyze_data_refs): Use VEC instead of VARRAY.
14826 * lambda.h (lambda_transform_legal_p): ...from here.
14827 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
14828 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
14829 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
14830 tree-chrec.o): Don't depend on VARRAY_H.
14832 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14834 * rtl.def (Copyright): Update date.
14835 (DEPS_LIST): Change type of the second operand to 'int'.
14836 * target.h (Copyright): Update date.
14837 (struct gcc_target.speculate_insn): Change type of the second parameter
14839 * lists.c (Copyright): Update date.
14840 (alloc_DEPS_LIST): Change signature. Update reference to the second
14841 operand of the DEPS_LIST.
14842 (copy_DEPS_LIST_list): Update reference to the second operand of the
14844 * rtl.h (Copyright): Update date.
14845 (alloc_DEPS_LIST): Update signature.
14846 * sched-int.h (Copyright): Update date.
14847 (ds_t): Change typedef to 'int'.
14848 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14850 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14852 * haifa-sched.c (Copyright): Update date.
14853 (try_ready): Change condition to restore non-speculative pattern
14854 of the instruction.
14855 (process_insn_depend_be_in_spec): Code to keep probability of the
14856 speculative dependence non-decreasing.
14858 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
14860 * regrename.c (replace_oldest_value_addr): Initialize a variable to
14861 shut up the compiler.
14863 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
14865 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
14866 to use lib prefix for target.
14867 ($(T)libic_invalidate_array_4-200.a): Likewise.
14868 ($(T)libic_invalidate_array_4a.a): Likewise.
14870 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
14871 J"orn Rennecke <joern.rennecke@st.com>
14873 * superh.opt: New file.
14874 * sh.c (boardtype, osruntime): Remove.
14875 * superh.h (SUBTARGET_OPTIONS): Remove.
14876 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
14878 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
14879 arguments with ^ and/or [].
14881 * config.gcc (sh-*-*): Add quoting to account for quirk of
14883 Replace == with = in enable_incomplete_targets test.
14885 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
14886 with MASK_LITTLE_ENDIAN.
14888 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
14889 * config/sh/sh.opt: Added to some comments.
14890 * config/sh/superh.h: Removed some chaff.
14892 * config/sh/sh.opt: Add m4-[1234]00* options.
14893 * config/sh/sh.c (sh_handle_option): Likewise.
14894 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
14895 (ic_invalidate_array_4-100.o): New rule.
14896 ($(T)libic_invalidate_array_4-100.a): Likewise.
14897 (ic_invalidate_array_4-200.o): Likewise.
14898 ($(T)libic_invalidate_array_4-200.a): Likewise.
14899 (ic_invalidate_array_4a.o): Likewise.
14900 ($(T)libic_invalidate_array_4a.a): Likewise.
14901 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
14902 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
14904 * config/sh/crt1.asm: Merged in profiling code.
14905 * config/sh/superh.h (STARTFILE_SPEC): Override.
14906 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
14907 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
14908 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
14910 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
14911 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
14912 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
14914 * sh.opt (mpretend-cmove): New option.
14915 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
14916 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
14917 (movsicc): Add TARGET_PRETEND_CMOVE code.
14919 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
14921 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
14922 s390_class_max_nregs): New function prototypes.
14923 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
14924 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
14925 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
14926 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
14928 2006-03-26 Geoffrey Keating <geoffk@apple.com>
14930 * dwarf2out.c (add_location_or_const_value_attribute): Call
14931 tree_add_const_value_attribute if nothing else works.
14932 (reference_to_unused): New.
14933 (rtl_for_decl_init): Use reference_to_unused to decide whether
14934 to output an initializer.
14936 2006-03-27 Alan Modra <amodra@bigpond.net.au>
14939 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
14940 peephole removing spe frob_di_df_2.
14942 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
14944 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
14945 (subscript_dependence_tester_1): Declared.
14946 (print_dir_vectors, print_dist_vectors): New.
14947 (debug_data_dependence_relation): New.
14948 (dump_data_dependence_relation): Print more details.
14949 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
14950 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
14951 (save_dist_v, save_dir_v, add_outer_distances,
14952 build_classic_dist_vector_1): New.
14953 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
14954 Don't test for lambda_vector_lexico_pos.
14955 (same_access_functions, add_multivariate_self_dist,
14956 add_other_self_distances, dir_from_dist): New.
14957 (build_classic_dir_vector): Replace implementation almost identical to
14958 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
14960 (subscript_dependence_tester_1): New.
14961 (subscript_dependence_tester): Handle the lexicographically negative
14962 distance vectors by recomputing the dependence relation.
14963 (compute_affine_dependence): Remove parameter loop_nest_depth.
14964 (compute_self_dependence): Don't call compute_subscript_distance.
14965 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
14966 Add a parameter for the loop_nest.
14967 (find_loop_nest_1, find_loop_nest): New.
14968 (compute_data_dependences_for_loop): Compute the loop nest, and give
14969 up if the nest is not well formed.
14970 * tree-data-ref.h (loop_p): New.
14971 (struct data_dependence_relation): Replace size_vect field with
14972 loop_nest, a vec of loops.
14973 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
14974 (DDR_LOOP_NEST): New.
14975 (print_dir_vectors, print_dist_vectors,
14976 debug_data_dependence_relation): Declared.
14977 (index_in_loop_nest): New.
14978 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
14979 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
14982 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
14984 * simplify-rtx.c (simplify_relational_operation): Call
14985 simplify_relational_operation_1 even if mode is VOIDmode.
14987 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
14989 PR tree-optimization/26804
14990 * tree.h (DECL_CALL_CLOBBERED): New macro.
14991 (tree_decl_common): Add call_clobbered_flag.
14992 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
14993 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
14994 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
14995 (mark_non_addressable): Ditto.
14996 * tree-ssa.c (verify_call_clobbered): New function.
14997 (verify_alias_info): Use it.
14998 * tree-pass.h (pass_reset_cc_flags): New prototype.
14999 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15000 (reset_cc_flags): New function.
15001 * passes.c (init_optimization_passes): Call reset_cc_flags after
15002 initializing referenced_vars.
15004 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15005 Roger Sayle <roger@eyesopen.com>
15007 PR middle-end/26717
15008 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15009 to 1.0 for non-real operands. Implement A / A optimization for
15012 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15014 * config/i386/i386.c (size_cost): Correct the comment for
15015 cost of storing fp registers.
15016 (i386_cost): Likewise.
15017 (i486_cost): Likewise.
15018 (pentium_cost): Likewise.
15019 (pentiumpro_cost): Likewise.
15020 (k6_cost): Likewise.
15021 (athlon_cost): Likewise.
15022 (k8_cost): Likewise.
15023 (pentium4_cost): Likewise.
15024 (nocona_cost): Likewise.
15025 (generic64_cost): Likewise.
15026 (generic32_cost): Likewise.
15028 2006-03-24 Denis Chertykov <denisc@overta.ru>
15030 * config/avr/avr-protos.h (extra_constraint): Delete.
15031 (extra_constraint_Q): New declaration.
15032 * config/avr/constraints.md: New file.
15033 * config/avr/avr.md: Include it.
15034 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15035 (TMP_REGNO, ZERO_REGNO): Likewise.
15036 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15037 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15038 (extra_constraint): Delete.
15039 (extra_constraint_Q): Test for memory constraint 'Q'.
15040 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15041 (REG_CLASS_FROM_LETTER): Delete.
15042 (CONST_OK_FOR_LETTER_P): Delete.
15043 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15044 (EXTRA_CONSTRAINT): Delete.
15045 (TMP_REGNO): Delete.
15046 (ZERO_REGNO): Delete.
15048 2006-03-24 Jeff Law <law@redhat.com>
15050 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15051 directly. Call mark_new_vars_to_rename slightly earlier.
15053 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15055 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15056 (is_cxx): Likewise.
15057 (gen_compile_unit_die): Use new language types for Objective-C and
15059 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15060 DW_LANG_C_plus_plus.
15063 * config/t-darwin (crt3.o): Work around bug 26840.
15064 * config/darwin-crt3.c: Rewrite.
15065 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15067 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15069 * doc/invoke.texi: Document -femit-class-debug-always
15070 * common.opt: Add -femit-class-debug-always.
15072 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15074 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15075 index and base register.
15076 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15077 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15078 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15079 REGNO_OK_FOR_INDEX_P.
15080 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15082 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15083 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15084 REG_OK_FOR_BASE_P): Definitions removed.
15086 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15088 PR middle-end/26611
15089 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15090 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15091 set yet or weren't marked as local yet.
15093 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15095 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15098 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15100 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15101 (rs6000_legitimate_small_data_p): Delete.
15102 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15103 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15104 and make static. Add forward declaration. Update uses.
15105 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15106 of offsettable_memref_p.
15107 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15108 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15110 2006-03-24 Jeff Law <law@redhat.com>
15112 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15113 around bug in immediate-use iterator.
15115 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15118 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15119 or __LITTLE_ENDIAN__.
15121 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15123 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15124 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15125 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15126 * config/sh/sh.opt (mdiv=): Amend description.
15127 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15128 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15129 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15130 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15131 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15132 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15133 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15134 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15135 TARGET_DIVIDE_CALL_FP.
15137 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15139 * haifa-sched.c (choose_ready): Fix type of the local variable.
15140 Move local variables. Add comment.
15141 (check_reg_live): Change signature. Make callable from debugger.
15142 * sched-int.h (check_reg_live): Update signature.
15143 * sched-ebb.c (check_reg_live): Update parameters.
15144 * sched-rgn.c (check_reg_live): Ditto.
15145 (region_head_or_leaf_p): Check pointer before dereferencing.
15146 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15147 before reload on optimization levels below 1.
15149 2006-03-23 Richard Henderson <rth@redhat.com>
15151 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15155 * config/alpha/predicates.md (local_symbolic_operand): Reject
15158 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15161 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15162 expressions which have overflowed constants.
15164 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15166 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15168 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15170 * cfgloopmanip.c (create_loop_notes): Removed.
15171 * final.c (final_scan_insn): Do not handle loop notes.
15172 * jump.c (squeeze_notes): Ditto.
15173 * cfglayout.c (skip_insns_after_block,
15174 duplicate_insn_chain): Ditto.
15175 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15177 * cfgloop.h (create_loop_notes): Declaration removed.
15179 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15181 * varasm.c (output_constant_pool): Restore fnname and fndecl
15183 (assemble_start_function): Adjust call accordingly.
15184 (assemble_end_function): Likewise.
15186 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15189 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15192 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15194 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15197 * system.h (ICE_EXIT_CODE): New macro.
15198 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15199 (diagnostic_action_after_output): Likewise.
15200 * gcc.c (fatal_ice): New function.
15201 (execute): Use it instead of fatal.
15202 (fancy_abort): Likewise.
15203 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15205 2006-03-22 Jeff Law <law@redhat.com>
15207 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15208 iv_analyze_result returning false.
15210 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15212 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15214 2006-03-22 Richard Henderson <rth@redhat.com>
15216 PR middle-end/26084
15217 * except.c (duplicate_eh_regions_0): New.
15218 (duplicate_eh_region_1): Duplicate the children of the node as
15219 well as the node itself. Link them up properly.
15220 (duplicate_eh_region_2): Merge into ...
15221 (duplicate_eh_regions): ... here. Take copy_region argument, and
15222 copy only a sub-tree if asked. Simplify copying and fixup.
15223 (eh_region_outer_p): New.
15224 * except.h (duplicate_eh_regions): Update decl.
15225 (eh_region_outer_p): Declare.
15226 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15227 (lower_omp_master): Likewise.
15228 (lower_omp_ordered): Likewise.
15229 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15230 (move_stmt_r): Use it to remap labels. Handle recursion vs
15231 remap_decls_p properly.
15232 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15233 (find_outermost_region_in_block): New.
15234 (new_label_mapper): New.
15235 (move_sese_region_to_fn): Copy eh information to the new function
15237 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15239 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15242 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15244 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15245 into shared libraries.
15247 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15249 * doc/md.texi: Refer to i386/constraints.md instead of
15250 i386/predicates.md.
15251 * config/i386/constraints.md: New file, extracted from...
15252 * config/i386/predicates.md: ...here.
15253 * config/i386/i386.md: Include constraints.md.
15255 2006-03-21 Jason Merrill <jason@redhat.com>
15257 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15259 PR middle-end/20297
15260 * expr.c (init_block_move_fn): Force default visibility.
15261 (init_block_clear_fn): Likewise.
15262 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15263 * targhooks.c (default_external_stack_protect_fail): Likewise.
15265 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15267 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15268 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15269 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15270 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15271 (loadgp): Use mips_current_loadgp_style.
15272 (loadgp_noshared): New pattern.
15273 (sibcall_internal): Use MIPS_CALL.
15274 (sibcall_value_internal): Likewise.
15275 (sibcall_value_multiple_internal): Likewise.
15276 (call_internal): Likewise.
15277 (call_value_internal): Likewise.
15278 (call_value_multiple_internal): Likewise.
15279 (call_split): Use MIPS_CALL and add an 'S' constraint.
15280 (call_value_split): Likewise.
15281 (call_value_multiple_split): Likewise.
15282 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15283 (-mshared): New option.
15284 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15285 (mips_current_loadgp_style): Declare.
15286 * config/mips/mips.c (mips_classify_symbol): Avoid using
15287 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15288 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15289 TARGET_ABSOLUTE_ABICALLS.
15290 (override_options): Adjust comments. Improve the warning that is
15291 issued when -mabicalls and -G are used together.
15292 (mips_file_start): Remove comment.
15293 (mips_current_loadgp_style): New function.
15294 (mips_gnu_local_gp): New variable.
15295 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15297 (mips_output_function_prologue): Use mips_current_laodgp_style.
15298 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15299 the cprestore instruction.
15300 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15301 live for TARGET_ABSOLUTE_ABICALLS.
15302 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15303 (ASM_SPEC): Pass down -mshared and -mno-shared.
15304 (MIPS_CALL): New macro.
15305 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15307 * doc/invoke.texi (-mabicalls): Update documentation.
15308 (-mshared): Document.
15310 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15312 * config/ia64/unwind-hpux.c: New file.
15313 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15315 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15318 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15320 2006-03-21 Jeff Law <law@redhat.com>
15322 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15323 type conversions of a VR_VARYING source to a wider type.
15325 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15327 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15328 tm_file on Solaris 10 and later.
15329 (sparc64-*-solaris2*): Likewise.
15330 (sparc-*-solaris2*): Likewise.
15331 * config/sol26.h: Rename to config/sol2-6.h.
15332 * config/sol2-10.h: New file.
15334 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15337 * tree-ssa-pre.c (create_component_ref_by_pieces):
15340 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15343 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15344 return it immediately.
15346 2006-03-21 Michael Matz <matz@suse.de>
15348 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15350 (remove_arc, add_arc): Update num_out_arcs member.
15351 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15353 (cache_presence): New function.
15354 (compare_states_for_equiv): New function.
15355 (state_is_differed): Don't take number of outargs, adjust callers.
15356 Use new invariant for speeding up.
15357 (init_equiv_class): Create initial classes based on sorted
15359 (partition_equiv_class): Don't track out_arcs_num.
15360 (evaluate_equiv_classes): Call cache_presence on all states and
15363 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15365 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15366 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15367 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15368 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15370 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15371 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15372 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15373 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15374 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15376 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15377 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15378 (REGNO_REG_CLASS): ARGP is in PREGS.
15379 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15381 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15382 to deal with those addresses.
15383 * addresses.h: New file.
15384 * caller-save.c: Include "addresses.h".
15385 (init_caller_save): Use new base_reg_class function.
15386 * rtl-factoring.c: Include "addresses.h".
15387 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15388 * recog.c: Include "addresses.h".
15389 (preprocess_constraints): Use new base_reg_class function.
15390 * regrename.c: Include "addresses.h".
15391 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15392 functions. Keep track of a new var INDEX_CODE to compute valid
15394 (replace_oldest_value_addr): Likewise.
15395 (replace_oldest_value_mem): Use base_reg_class.
15396 * reload.c: Include "addresses.h".
15397 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15398 (find_reloads): Use new base_reg_class function.
15399 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15400 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15401 all callers and prototype changed.
15402 * reload1.c: Include "addresses.h".
15403 (maybe_fix_stack_asms): Use base_reg_class.
15404 * regclass.c: Include "addresses.h".
15405 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15406 (init_reg_autoinc): Use new base_reg_class function.
15407 (record_reg_classes): Likewise.
15408 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15409 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15410 Use new args to compute necessary class.
15412 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15413 regrename.o, rtl-factoring.o): Update dependencies.
15414 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15415 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15416 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15417 REG_OK_FOR_INDEX_P): Delete documentation.
15419 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15421 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15422 from V7 to V9 for Solaris 7 and above.
15424 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15426 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15427 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15428 argument pointers may not alias any other storage.
15429 * common.opt: Define option -fargument-noalias-anything.
15430 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15431 alias semantics is specified by flag_argument_noalias > 2.
15433 2006-03-20 Jeff Law <law@redhat.com>
15435 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15436 (pass_phi_only_cprop): Declare.
15437 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15438 with phi_only_cprop
15439 * tree-ssa-dom.c (degenerate_phi_result): New function.
15440 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15441 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15442 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15443 (eliminate_degenerate_phis): Likewise.
15444 (pass_phi_only_cprop): New pass descriptor.
15445 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15446 support code. Callers updated.
15447 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15448 (store_copy_prop): Likewise.
15449 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15451 2006-03-20 Jason Merrill <jason@redhat.com>
15454 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15455 (push_visibility, pop_visibility): Likewise.
15456 * c-pragma.h: Declare them.
15458 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15460 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15462 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15463 parameter and use get_ebb_head_tail.
15464 (sh_md_init_global): Adjust uses of find_regmode_weight.
15466 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15468 * function.h (struct function) <x_tail_recursion_reentry>:
15469 Rename to x_stack_check_probe_note.
15470 (tail_recursion_reentry): Rename to stack_check_probe_note.
15471 * function.c: Replace tail_recursion_reentry with
15472 stack_check_probe_note everywhere.
15473 (expand_function_start): Only emit a note for
15474 stack_check_probe_note with -fstack-protect.
15475 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15477 * emit-rtl.c (remove_unnecessary_notes): Remove.
15478 (pass_remove_unnecessary_notes): Remove.
15479 * rtl.h (remove_unnecessary_notes): Remove prototype.
15480 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15481 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15482 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15484 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15487 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15488 (valid_in_set): Handle ARRAY_REF.
15489 Change "if min_variant or VH" to asserts.
15490 (create_component_ref_by_pieces): Handle ARRAY_REF.
15491 (create_expression_by_pieces): Likewise.
15492 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15494 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15496 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15497 is operand of switch, not str[0].
15499 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15501 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15502 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15504 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15506 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15507 end of insn_extra_address_constraint declaration.
15509 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15511 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15512 (no-sum-in-toc): Same.
15513 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15515 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15516 NO_FP_IN_TOC for -fPIC instead of mask.
15518 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15519 (BOOT_LDFLAGS): Delete.
15521 * config/rs6000/t-aix52: Same.
15523 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15524 (stmsi[345678]_power): New.
15526 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15528 * config/ia64/ia64.opt: Add empty line to end of file.
15530 2006-03-17 Richard Guenther <rguenther@suse.de>
15532 PR middle-end/26721
15533 * builtins.c (get_pointer_alignment): For component style references
15534 adjust alignment to the component type alignment. Make sure
15535 to adjust alignment for component access of constants.
15537 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15539 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15540 unconditional jump.
15542 2006-03-17 Paul Brook <paul@codesourcery.com>
15544 * doc/install.texi: Docuemnt --with-mode.
15545 * config.gcc: Add --with-mode for arm*-*-*.
15546 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15548 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15550 * sh.c (max_labelno_before_reorg): New variable.
15551 (sh_reorg): Initialize it.
15552 (find_barrier): Check max_labelno_before_reorg before using
15553 label_to_alignment. Take length of explicit alignment insns
15554 into account. When seeing a UNSPECV_CONST_END, return it.
15556 * sh.c (fixup_mova): Set mode of affected label to QImode.
15557 (untangle_mova): New function.
15558 (find_barrier): Use it. Check mode of label before decrementing
15560 (sh_reorg): Likewise.
15561 Set mode of all insns back to VOIDmode.
15563 * sh.c (MOVA_LABELREF): New macro.
15564 (mova_p, fixup_mova, sh_reorg): Use it.
15565 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15566 ADDR_DIFF_VEC matches mova.
15568 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15570 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15571 with ATTRIBUTE_UNUSED.
15573 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15575 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15576 pointer, instead of assuming it is possible to derive the
15577 correct args size from a call insn.
15579 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15581 * rtl.h (CONST_INT_P): Define.
15582 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15583 instead of GET_CODE(x) == CONST_INT.
15584 (vax_rtx_costs): Likewise.
15585 (vax_output_int_move): Likewise.
15586 (vax_output_int_add): Likewise.
15587 (legitimate_constant_address_p): Likewise.
15588 (index_term_p): Likewise.
15589 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15590 * config/vax/vax.md (and<mode>3): Likewise.
15591 (ashrsi3): Likewise.
15593 (movstricthi): Likewise.
15594 (movstrictqi): Likewise.
15595 (rotrsi3): Likewise.
15596 (five unnamed insns): Likewise.
15598 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15600 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15601 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15602 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15603 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15604 Pass to ASM_OUTPUT_DWARF_OFFSET.
15605 * dwarf2out.c (debug_frame_section): New.
15606 (output_call_frame_info): Use debug_frame_section. Pass it to
15607 dw2_asm_output_offset.
15608 (output_die): Pass appropriate section to dw2_asm_output_offset.
15609 (output_compilation_unit_header): Likewise.
15610 (output_pubnames): Likewise.
15611 (output_aranges): Likewise.
15612 (enum dw_val_class): Break dw_val_class_lbl_offset into
15613 dw_val_class_lineptr and dw_val_class_macptr.
15614 (add_AT_lbl_offset): Delete.
15615 (add_AT_lineptr): New.
15616 (add_AT_macptr): New.
15617 (AT_lbl): Expect a lineptr or macptr.
15618 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15619 (attr_checksum): Likewise.
15620 (same_dw_val_p): Likewise.
15621 (size_of_die): Likewise.
15622 (value_format): Likewise.
15623 (output_die): Likewise.
15624 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15626 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15627 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15628 * config/darwin-protos.h (darwin_file_start): New.
15629 (darwin_asm_output_dwarf_offset): New.
15630 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15631 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15633 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15634 if not EH section; simplify.
15635 (darwin_file_start): New.
15636 (darwin_asm_output_dwarf_offset): New.
15637 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15639 (DEBUG_INFO_SECTION): Likewise.
15640 (DEBUG_ABBREV_SECTION): Likewise.
15641 (DEBUG_ARANGES_SECTION): Likewise.
15642 (DEBUG_MACINFO_SECTION): Likewise.
15643 (DEBUG_LINE_SECTION): Likewise.
15644 (DEBUG_LOC_SECTION): Likewise.
15645 (DEBUG_PUBNAMES_SECTION): Likewise.
15646 (DEBUG_STR_SECTION): Likewise.
15647 (DEBUG_RANGES_SECTION): Likewise.
15648 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15649 (ASM_OUTPUT_DWARF_OFFSET): New.
15651 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15653 * config.gcc (tm_defines): Always add to previous value rather
15656 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15658 * config/mips/predicates.md (splittable_const_int_operand): New,
15659 split from move_operand.
15660 (splittable_symbolic_operand): New.
15661 (move_operand): Add commentary. Use splittable_const_int_operand.
15662 Inline mips_atomic_symbolic_constant_p.
15663 * config/mips/mips.md: Add combine splitters for handling moves
15664 of splittable_const_int_operands and splittable_symbolic_operands.
15665 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15666 (mips_split_symbol): Declare.
15667 (mips_move_integer): Declare.
15668 * config/mips/mips.c (mips_split_p): Make global.
15669 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15670 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15671 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15672 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15673 (mips_offset_within_object_p): Handle block symbols.
15674 (mips_atomic_symbolic_constant_p): Delete.
15675 (mips_cannot_force_const_mem): Return false for constants that
15676 mips_legitimize_move can handle.
15677 (mips_use_blocks_for_constant_p): New function.
15678 (mips_split_symbol): Make global.
15679 (mips_move_integer): Likewise. Add a temporary register argument.
15680 (mips_legitimize_const_move): Use splittable_const_int_operand and
15681 splittable_symbolic_operand.
15682 (mips_use_anchors_for_symbol_p): New function.
15683 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15684 (mips_split_p): Declare.
15686 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15688 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15689 (mips*-*-linux*): Likewise.
15691 2006-03-16 Roger Sayle <roger@eyesopen.com>
15692 Daniel Speyer <dspeyer@wam.umd.edu>
15694 PR middle-end/18259
15695 * tree-dump.c (dump_real): New function.
15696 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15697 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15698 (tree-dump.o): Add $(REAL_H) to the dependencies.
15700 2006-03-16 Roger Sayle <roger@eyesopen.com>
15702 PR middle-end/21781
15703 * real.c (real_from_string): If the mantissa is zero, don't bother
15704 parsing the exponent as the result should always be zero.
15706 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15708 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15710 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15712 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15713 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15714 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15715 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15716 ia64_sched_finish_global): New static functions to implement
15717 hooks from gcc_target.sched.
15718 (spec_check_no, max_uid, pending_data_specs): New static variables.
15719 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15720 ia64_spec_check_src_p): New static functions.
15721 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15722 (TARGET_SCHED_ADJUST_COST): Removed.
15723 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15724 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15725 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15726 TARGET_SCHED_GEN_CHECK,
15727 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15728 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15729 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15730 Fixed to handle speculation checks.
15731 (rtx_needs_barrier): Fixed to handle speculative loads and
15733 (ia64_variable_issue): Added code to count speculative loads and their
15735 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15737 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15739 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15741 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15742 (ia64_reorg): Reset stops_p to NULL after it is freed.
15743 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15744 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15745 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15747 (data_speculative, control_speculative, check_load): New attributes.
15748 (mov<mode>_advanced, mov<mode>_speculative,
15749 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15750 zero_extend<mode>di2_speculative,
15751 zero_extend<mode>di2_speculative_advanced): New patterns for
15752 data and control speculative loads.
15753 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15755 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15756 New pattern for data and control speculation checks.
15757 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15758 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15759 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15760 Auxiliary definitions for the patterns.
15761 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15762 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15764 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15766 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15767 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15768 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15769 New resource constraints.
15770 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15772 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15773 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15774 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15775 msched-in-control-spec, msched-ldc, msched-control-ldc,
15776 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15777 msched-prefer-non-control-spec-insns,
15778 msched-count-spec-in-critical-path): New flags to tune speculative
15780 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15781 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15782 msched-in-control-spec, msched-ldc, msched-control-ldc,
15783 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15784 msched-prefer-non-control-spec-insns,
15785 msched-count-spec-in-critical-path): Document new flags.
15787 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15789 * target.h (struct spec_info_def): New opaque declaration.
15790 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15791 speculate_insn, needs_block_p, gen_check,
15792 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15793 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15794 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15795 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15796 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15797 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15799 (TARGET_SCHED): Use new macros.
15800 * rtl.h (copy_DEPS_LIST_list): New prototype.
15801 * sched-int.h (struct sched_info): Change signature of new_ready field,
15802 adjust all initializations. New fields: add_remove_insn,
15803 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15804 region_head_or_leaf_p.
15805 (struct spec_info_def): New structure declaration.
15806 (spec_info_t): New typedef.
15807 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15808 recovery_block, orig_pat.
15809 (glat_start, glat_end): New variables declaraions.
15810 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15812 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15813 DETACH_LIFE_INFO, USE_GLAT.
15814 (enum SPEC_SCHED_FLAGS): New enumeration.
15815 (NOTE_NOTE_BB_P): New macro.
15816 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15817 attach_life_info, debug_spec_status, check_reg_live): New functions.
15818 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15819 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15821 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
15822 * ddg.c (get_block_head_tail): Adjust all uses.
15823 * modulo-sched.c (get_block_head_tail): Adjust all uses.
15824 (sms_sched_info): Initialize new fields.
15825 (contributes_to_priority): Removed.
15826 * haifa-sched.c (params.h): New include.
15827 (get_block_head_tail): Adjust all uses.
15828 (ISSUE_POINTS): New macro.
15829 (glat_start, glat_end): New global variables.
15830 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
15831 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
15832 old_last_basic_block, before_recovery, current_sched_info_var,
15833 rgn_n_insns, luid): New static variables.
15834 (insn_cost1): New function. Move logic from insn_cost to here.
15835 (find_insn_reg_weight1): New function. Move logic from
15836 find_insn_reg_weight to here.
15837 (reemit_notes, move_insn, max_issue): Change signature.
15838 (move_insn1): Removed.
15839 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
15840 extend_bb): New static functions to support extension of scheduler's
15842 (generate_recovery_code, process_insn_depend_be_in_spec,
15843 begin_speculative_block, add_to_speculative_block,
15844 init_before_recovery, create_recovery_block, create_check_block_twin,
15845 fix_recovery_deps): New static functions to support
15846 generation of recovery code.
15847 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
15848 restore_bb_notes, move_block_after_check, move_succs): New static
15849 functions to support ebb scheduling.
15850 (init_glat, init_glat1, attach_life_info1, free_glat): New static
15851 functions to support handling of register live information.
15852 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
15853 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
15854 add_jump_dependencies): New static functions.
15855 (check_cfg, has_edge_p, check_sched_flags): New static functions for
15856 consistancy checking.
15857 (debug_spec_status): New function to call from debugger.
15858 (priority): Added code to handle speculation checks.
15859 (rank_for_schedule): Added code to distinguish speculative instructions.
15860 (schedule_insn): Added code to handle speculation checks.
15861 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
15862 Fixed to handle ebbs.
15863 (move_insn): Added code to handle ebb scheduling.
15864 (max_issue): Added code to use ISSUE_POINTS of instructions.
15865 (choose_ready): Added code to choose between speculative and
15866 non-speculative instructions.
15867 (schedule_block): Added code to handle ebb scheduling and scheduling of
15868 speculative instructions.
15869 (sched_init): Initialize new variables.
15870 (sched_finish): Free new variables. Print statistics.
15871 (try_ready): Added code to handle speculative instructions.
15872 * lists.c (copy_DEPS_LIST_list): New function.
15873 * sched-deps.c (extend_dependency_caches): New function. Move logic
15874 from create_dependency_caches to here.
15875 (get_dep_weak, ds_merge): Make global.
15876 * genattr.c (main): Code to output prototype for
15877 dfa_clear_single_insn_cache.
15878 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
15879 (output_dfa_clean_insn_cache_func): Code to output
15880 dfa_clear_single_insn_cache function.
15881 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
15883 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
15885 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
15886 New static variables.
15887 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
15888 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
15890 (ebb_sched_info): Initialize new fields.
15891 (get_block_head_tail): Adjust all uses.
15892 (compute_jump_reg_dependencies): Fixed to use glat_start.
15893 (schedule_ebb): Code to remove unreachable last block.
15894 (schedule_ebbs): Added code to update register live information.
15895 * sched-rgn.c (region_sched_info): Initialize new fields.
15896 (get_block_head_tail): Adjust all uses.
15897 (last_was_jump): Removed. Adjust users.
15898 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
15899 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
15900 Implement new hooks.
15901 (check_dead_notes1): New static function.
15902 (struct region): New fields: dont_calc_deps, has_real_ebb.
15903 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
15904 (BB_TO_BLOCK): Fixed to handle EBBs.
15905 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
15906 (ebb_head): New static variable.
15907 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
15908 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
15910 (compute_dom_prob_ps): New assertion.
15911 (check_live_1, update_live_1): Fixed to work with glat_start instead of
15912 global_live_at_start.
15913 (init_ready_list): New assertions.
15914 (can_schedule_ready_p): Split update code to begin_schedule_ready.
15915 (new_ready): Add support for BEGIN_CONTROL speculation.
15916 (schedule_insns): Fixed code that updates register live information
15918 (schedule_region): Fixed to handle EBBs.
15919 (init_regions): Use extend_regions and check_dead_notes1.
15920 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
15921 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
15922 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
15923 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15924 TARGET_SCHED_GEN_CHECK,
15925 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15926 TARGET_SCHED_SET_SCHED_FLAGS): Document.
15927 * doc/invoke.texi (max-sched-insn-conflict-delay,
15928 sched-spec-prob-cutoff): Document.
15930 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15932 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
15933 inter_tick, queue_index.
15934 (struct sched_info): Change signature of init_ready_list field.
15935 Adjust all initializations.
15936 (RESOLVED_DEPS): New access macro.
15937 (ready_add): Remove prototype.
15938 (try_ready): Add prototype.
15939 * sched-rgn.c (init_ready_list): Use try_ready.
15940 (schedule_region): Initialize
15941 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
15942 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
15943 (init_ready_list): Use try_ready.
15944 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
15945 * lists.c (remove_list_elem): Remove `static'.
15946 (remove_free_INSN_LIST_elem): New function.
15947 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
15948 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
15949 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
15951 (readyp): New variable.
15952 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
15953 change_queue_index, resolve_dep): New static functions.
15954 (try_ready): New function. Adjust callers in sched-rgn.c and
15955 sched-ebb.c to use it instead of ready_add.
15956 (clock_var): Move at the begining of file.
15957 (rank_for_schedule): Fix typo.
15958 (queue_insn): Add assertion. Handle QUEUE_INDEX.
15959 (ready_lastpos): Enforce assertion.
15960 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
15961 update all callers.
15962 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
15963 (schedule_insn): Rewrite to use try_ready and resolve_dep.
15964 (queue_to_ready): Use free_INSN_LIST_list.
15965 (early_queue_to_ready): Fix typo.
15966 (schedule_block): Init readyp. Move init_ready_list call after the
15967 initialization of clock_var. Fix error in rejecting insn by
15968 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
15969 that previously corrected INSN_TICKs. Add code for handling
15971 (set_priorities): Fix typo.
15972 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
15973 Clarify comment and code that keeps current_sched_info->next_tail
15976 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15978 * sched-rgn.c (extend_rgns): New static function.
15979 (find_rgns): Use it.
15980 (gather_region_statistics, print_region_statistics): New static
15982 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
15983 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
15985 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15986 Andrey Belevantsev <abel@ispras.ru>
15988 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
15989 * lists.c (unused_deps_list): New variable.
15990 (free_list): Add assertions to verify the proper distinguishing
15991 between INSN_LISTs and DEPS_LISTs.
15992 (find_list_elem, remove_list_elem, remove_list_node): New static
15994 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
15995 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
15996 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
15997 (alloc_INSN_LIST): Assert that the list we're working on is indeed
15999 (free_INSN_LIST_node): Likewise.
16000 * modulo-sched.c (current_sched_info): Initialize flags field.
16001 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16002 * rtl.def (DEPS_LIST): Define.
16003 * rtl.h: Declare new functions from lists.c.
16004 * sched-deps.c (spec_dependency_cache): New static variable.
16005 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16006 (add_dependence): Change return type to void. Move the logic to ...
16007 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16008 (delete_all_dependences): Add comment about forward_dependency_cache.
16009 Handle spec_dependency_cache. Handle DEPS_LISTs.
16010 (fixup_sched_groups): Clarify the change of priority of output
16011 and anti dependencies.
16012 (sched_analyze_2): Adjust add_dependence calls to create data
16013 speculative dependence.
16014 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16015 Adjust all callers. Handle DEPS_LISTS.
16016 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16017 presence of speculation.
16018 (init_dependency_caches, free_dependency_caches):
16019 Handle spec_dependency_cache.
16020 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16021 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16022 New static functions.
16023 (add_or_update_back_dep, add_or_update_back_forw_dep,
16024 add_back_forw_dep, delete_back_forw_dep): New functions.
16025 * sched-int.h (ds_t, dw_t): New typedefs.
16026 (struct sched_info): Add new field flags.
16027 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16028 Prototype new sched-deps.c functions.
16029 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16030 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16031 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16032 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16033 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16034 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16036 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16038 * sched-rgn.c (current_sched_info): Initialize flags field.
16039 (schedule_insns): Initialize current_sched_info before the sched_init
16041 * sched-ebb.c (current_sched_info): Initialize flags field.
16042 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16043 Call add_or_update_back_dep instead of add_dependence.
16044 Create control speculative dependencies.
16045 (schedule_insns): Initialize current_sched_info before the sched_init
16048 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16050 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16052 (sh_fallback_frame_state): Likewise.
16054 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16056 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16057 Do switch on default_use_cxa_atexit.
16058 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16059 * config/darwin-crt3.o: New.
16060 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16061 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16062 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16064 * config/rs6000/t-darwin: Move crt2.o building to here.
16065 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16066 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16069 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16071 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16072 from '! xxx' to '!xxx' for coding-style conformance.
16073 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16074 (EXTRA_CONSTRAINT): Likewise.
16075 * config/vax/vax.md (four unnamed insns): Likewise.
16077 2006-03-15 Paul Brook <paul@codesourcery.com>
16079 * config/arm/arm.c (minipool_pad): New.
16080 (add_minipool_forward_ref): Include pool alignment padding in address
16082 (push_minipool_fix): Set minipool_pad.
16083 (minipool_pad): Ditto.
16085 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16087 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16088 instead of GET_CODE() == MEM and REG_P() instead of
16090 (print_operand_address): Likewise.
16091 (vax_address_cost): Likewise.
16092 (vax_rtx_costs): Likewise.
16093 (vax_notice_update_cc): Likewise.
16094 (vax_output_int_add): Likewise.
16095 (INDEX_REGISTER_P): Likewise.
16096 (BASE_REGISTER_P): Likewise.
16097 (nonindexed_address_p): Likewise.
16098 (vax_mode_dependent_address_p): Likewise.
16099 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16100 (PRINT_OPERAND): Likewise.
16101 * config/vax/vax.md (ashlsi3): Likewise.
16102 (ashlsi3): Likewise.
16103 (some more unnamed insns): Likewise.
16105 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16107 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16108 iterator-style macro.
16109 (mark_control_dependent_edges_necessary): Update the use of
16110 EXECUTE_IF_CONTROL_DEPENDENT.
16112 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16114 * config/sh/predicates.md (cache_address_operand): Special.
16115 (ua_address_operand): Likewise.
16117 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16119 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16121 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16123 2006-03-15 Andreas Schwab <schwab@suse.de>
16125 * gensupport.c (identify_predicable_attribute): Don't free p_false
16126 when it is still in use.
16128 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16130 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16131 the default setting here.
16133 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16135 * tree-pass.h (pass_cfg): Remove.
16136 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16137 * passes.c (pass_cfg): Don't run it.
16139 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16141 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16142 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16144 (stack_regs_mentioned): Update the uses of
16145 stack_regs_mentioned_data. Don't access the array beyond its
16147 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16148 Don't include gt-reg-stack.h.
16150 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16151 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16153 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16155 PR middle-end/26684
16156 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16159 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16161 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16163 2006-03-14 Richard Guenther <rguenther@suse.de>
16165 PR tree-optimization/26672
16166 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16169 2006-03-14 Richard Guenther <rguenther@suse.de>
16171 PR tree-optimization/26667
16172 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16173 node for the callees. Always allow inlining if it will shrink
16176 2006-03-14 Richard Guenther <rguenther@suse.de>
16178 PR middle-end/26659
16179 * builtins.c (get_pointer_alignment): Prefer alignment
16180 information from decls over that from types.
16182 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16185 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16187 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16189 * config/rs6000/rs6000.opt (mdlmzb): New option.
16190 (msched-prolog, msched-epilog): Use Var not Mask.
16191 * doc/invoke.texi (-mdlmzb): Document.
16192 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16194 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16195 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16197 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16199 PR rtl-optimization/25739
16200 * bt-load.c (augment_live_range): Free tos pointer.
16202 * gensupport.c (identify_predicable_attribute): Free
16204 * gcov.c (create_file_names): Free name pointer.
16206 2006-03-13 Roger Sayle <roger@eyesopen.com>
16208 PR middle-end/26557
16209 * stmt.c (emit_case_nodes): Handle the case where the index is a
16210 CONST_INT, where the comparison mode is specified by the index type.
16212 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16214 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16217 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16219 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16220 (*branch_fp_inverted): Likewise.
16222 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16224 PR middle-end/25989
16225 * omp-low.c (expand_omp_for_generic): Mark istart0
16226 and iend0 as addressable.
16228 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16230 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16232 2006-03-13 Jeff Law <law@redhat.com>
16234 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16235 virtual operands are interesting.
16236 (vrp_visit_stmt): Corresponding changes.
16238 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16240 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16242 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16243 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16244 * config/bfin/crti.S: Use it instead of __PIC__.
16245 * config/bfin/crtn.S: Likewise.
16247 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16248 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16250 Lose 'G' modifier for call operand.
16251 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16252 recognize 'G' modifier.
16254 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16256 PR middle-end/18859
16257 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16258 * stmt.c (expand_case): Likewise.
16260 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16262 PR rtl-optimization/26254
16263 * loop-invariant.c (seq_insns_valid_p): New function.
16264 (move_invariant_reg): Only emit new code if it is valid.
16266 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16268 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16270 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16271 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16272 (commit_one_edge_insertion): Do not look for loop notes.
16274 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16276 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16277 flag_test_coverage out of loop.
16279 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16281 * final.c (shorten_branches): Remove outdated comment, and turn
16282 the if branch that guards it to continue.
16284 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16286 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16287 * cfgloop.h (struct loop): Remove unused fields.
16289 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16291 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16292 (-dL, -fdump-rtl-loop2): Update the dump file names
16294 * doc/invoke.texi: Update dump file names.
16296 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16298 * predict.c (estimate_probability): Remove.
16299 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16300 * basic-block.h (estimate_probability): Remove prototype.
16301 * passes.c (finish_optimization_passes): Dump branch prediction or
16302 profiling heuristics to the .profile tree dump.
16303 (init_optimization_passes): Unqueue pass_branch_prob.
16305 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16307 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16309 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16310 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16312 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16314 * function.h (frame_offset_overflow): Declare.
16315 * function.c (frame_offset_overflow): New function.
16316 (assign_stack_local_1): Call it to detect that the offset overflows.
16317 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16319 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16321 * config/sh/sh.c: Include alloc-pool.h.
16322 (label_ref_list_pool): New alloc pool.
16323 (label_ref_list_t): New type for lists of labels.
16324 (struct pool_node): Make wend a label_ref_list_t.
16325 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16327 (dump_table): Likewise.
16328 (sh_reorg): Set up the alloc pool before using add_constant and
16329 dump_table, and destroy it when finishing.
16331 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16333 * config/mips/mips.c: Remove redundant comment.
16335 2006-03-10 Jason Merrill <jason@redhat.com>
16338 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16339 the target was declared 'register'.
16341 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16343 * genpreds.c (write_insn_constraint_len): Change definition of
16344 insn_constraint_len to return size_t to match the declaration.
16346 2006-03-10 DJ Delorie <dj@redhat.com>
16348 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16350 (m32c_expand_insv): Fix test for an AND mask.
16352 2006-03-10 Richard Guenther <rguenther@suse.de>
16354 PR middle-end/26565
16355 * builtins.c (get_pointer_alignment): Handle component
16356 references for field alignment.
16358 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16360 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16361 when building with libgloss.
16362 (sh*elf): Implement --without-fp option.
16363 (sh64-superh-linux*): Don't multilib.
16365 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16367 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16369 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16371 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16372 Set it when one of the replacement functions returned true.
16373 Return TODO_cleanup_cfg if cfgchanged is true.
16374 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16376 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16378 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16379 instead of gen_lowpart.
16381 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16383 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16385 (mips_output_order_conditional_branch): Declare.
16386 * config/mips/mips.h (MIPS_BRANCH): New macro.
16387 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16388 for the comparison. Use gen_condjump.
16389 (mips_output_conditional_branch): Rework interface to take the
16390 asm templates for a direct branch and the inverse of a direct branch.
16391 (mips_output_order_conditional_branch): New function.
16392 (mips_builtin_branch_and_move): New function.
16393 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16394 branch condition. Use gen_single_cc as the condition for
16395 __builtin_mips_upper_* or __builtin_mips_lower_*.
16396 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16397 Use VOIDmode for the branch condition.
16398 * config/mips/predicates.md (order_operator): New predicate.
16399 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16400 (branch_fp): Rename to...
16401 (*branch_fp): ...this. Remove mode from comparison operator.
16402 Use new mips_output_conditional_branch interface.
16403 (branch_fp_inverted): Rename to...
16404 (*branch_fp_inverted): ...this and update as for *branch_fp.
16405 (*branch_zero<mode>): Rename to...
16406 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16407 Use mips_output_order_conditional_branch. Only accept ordered
16409 (*branch_zero<mode>_inverted): Rename to...
16410 (*branch_order<mode>_inverted): ...this and update as for
16411 *branch_order<mode>.
16412 (*branch_equality<mode>): Accept zero as the second operand to
16413 the equality operator. Use the new mips_output_conditional_branch
16415 (*branch_equality<mode>_inverted): Likewise.
16416 (condjump): New expander.
16417 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16419 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16420 (bc1any2t, bc1any2f): Likewise.
16421 (single_cc): New expander.
16422 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16424 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16426 * doc/md.texi: Update documentation of MIPS constraints.
16427 * config/mips/constraints.md: New file.
16428 * config/mips/mips.md: Include it.
16429 * config/mips/mips.c (mips_char_to_class): Delete.
16430 (override_options): Don't initialize mips_char_to_class.
16431 * config/mips/mips.h (mips_char_to_class): Delete.
16432 (REG_CLASS_FROM_LETTER): Delete.
16433 (CONST_OK_FOR_LETTER_P): Delete.
16434 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16435 (EXTRA_CONSTRAINT_Y): Delete.
16436 (EXTRA_CONSTRAINT_STR): Delete.
16437 (CONSTRAINT_LEN): Delete.
16438 (EXTRA_MEMORY_CONSTRAINT): Delete.
16440 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16442 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16443 original fn's eh regions.
16445 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16447 * fold-const.c (build_range_check): Make sure to use a valid type to
16448 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16451 (range_predecessor): New static function.
16452 (range_successor): Likewise.
16453 (merge_ranges): Use them to compute predecessors and successors of
16456 2006-03-09 Roger Sayle <roger@eyesopen.com>
16458 PR middle-end/26561
16459 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16460 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16462 2006-03-08 DJ Delorie <dj@redhat.com>
16464 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16465 (addpsi3): Expand to include memory operands. Remove
16466 reload-specific splits.
16467 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16468 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16469 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16470 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16471 (shift1_qi, shift1_hi, insv): New.
16472 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16473 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16474 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16476 * config/m32c/m32c-protos.h: Update as needed.
16477 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16478 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16479 Fail for unrecognized R* constraints.
16480 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16481 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16482 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16484 (m32c_init_libfuncs): New.
16485 (m32c_legitimate_address_p): Add debug wrapper.
16486 (m32c_rtx_costs): New.
16487 (m32c_address_cost): New.
16488 (conversions): Add 'B' prefix.
16489 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16490 operands, or word regnames for QI operands. 'B' prints bit
16492 (m32c_expand_setmemhi): New.
16493 (m32c_expand_movmemhi): New.
16494 (m32c_expand_movstr): New.
16495 (m32c_expand_cmpstr): New.
16496 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16497 (m32c_expand_neg_mulpsi3): Handle non-ints.
16498 (m32c_cmp_flg_0): New.
16499 (m32c_expand_movcc): New.
16500 (m32c_expand_insv): New.
16501 (m32c_scc_pattern): New.
16502 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16503 a0/a1 out of SIregs.
16504 (STORE_FLAG_VALUE): New.
16505 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16508 * config/m32c/mov.md: Make constraints more liberal.
16509 (zero_extendqihi2): Optimize r0/r1 case.
16510 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16511 * config/m32c/predicates.md (m32c_any_operand): New.
16512 (m32c_nonimmediate_operand): New.
16513 (m32c_hl_operand): New.
16514 (m32c_r3_operand): New.
16517 (memsym_operand): New.
16518 (memimmed_operand): New.
16519 (a_qi_operand): New.
16520 (m32c_eqne_operator): New.
16521 (m32c_1bit8_operand): New.
16522 (m32c_1bit16_operand): New.
16523 (m32c_1mask8_operand): New.
16524 (m32c_1mask16_operand): New.
16525 * config/m32c/blkmov.md: New file.
16526 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16528 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16530 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16531 unsigned to fix signed/unsigned comparison issue in
16532 DWARF2_FRAME_REG_OUT.
16533 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16534 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16536 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16537 of ptr into the ENABLE_CHECKING section.
16539 2006-03-08 Jeff Law <law@redhat.com>
16541 * tree-vrp.c (infer_value_range): Only count pointer uses
16542 and dereferences if -fdelete-null-pointer-checks is enabled.
16544 * tree-vrp.c (find_assert_locations): Infer value ranges for
16545 single use pointers, but do not create ASSERT_EXPRs for them.
16546 When a non-null range is inferred for a pointer, backwards
16547 propagate that range to other equivalent pointers through the
16550 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16553 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16554 language hook targets.
16555 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16556 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16557 if language hook targets were missing.
16559 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16561 * tree-ssa-opfinalize.h: Removed.
16562 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16564 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16565 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16566 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16567 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16568 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16569 finalize_ssa_v_must_def_ops): New.
16571 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16573 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16574 block as parameter.
16576 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16578 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16580 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16581 addresses with offsets; reorganize.
16583 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16584 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16585 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16587 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16590 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16592 2006-03-08 Ben Elliston <bje@au.ibm.com>
16594 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16596 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16599 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16602 2006-03-07 Richard Guenther <rguenther@suse.de>
16604 PR tree-optimization/26587
16605 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16607 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16609 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16611 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16613 * hooks.c (hook_bool_mode_rtx_true): New function.
16614 * hooks.h (hook_bool_mode_rtx_true): Declare.
16615 * toplev.c (compile_file): Call output_shared_constant_pool.
16616 * varasm.c (shared_constant_pool): New variable.
16617 (assemble_start_function, assemble_end_function): Remove arguments
16618 from call to output_constant_pool.
16619 (create_constant_pool): New function, split out from...
16620 (init_varasm_status): ...here.
16621 (force_const_mem): Choose between the shared and per-function constant
16622 pools. Set current_function_uses_const_pool when reusing old entries
16623 as well as when creating new ones.
16624 (mark_constant): Ignore data argument.
16625 (mark_constants): Remove pool argument.
16626 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16627 to decide whether the function uses a constant pool.
16628 (output_constant_pool_contents): New function, split out from...
16629 (output_constant_pool): ...here.
16630 (output_shared_constant_pool): New function.
16631 (init_varasm_once): Initialize shared_constant_pool.
16632 * output.h (output_constant_pool): Delete.
16633 (output_shared_constant_pool): Declare.
16634 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16635 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16637 2006-03-06 Nick Clifton <nickc@redhat.com>
16639 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16640 flag_strength_reduce.
16642 2006-03-06 Ben Elliston <bje@au.ibm.com>
16644 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16645 x86_64-*-linux* configurations.
16647 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16648 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16650 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16652 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16654 * basic-block.h: Remove the extern for
16655 rediscover_loops_after_threading.
16657 * cfgloop.c (cancel_loop): Make it static.
16658 * cfgloop.h: Remove the prototype for cancel_loop.
16660 * flow.c (recompute_reg_usage): Make it static.
16661 * rtl.h: Remove the prototype for recompute_reg_usage.
16663 * function.c (use_return_register): Make it static.
16664 * function.h: Remove the prototype.
16666 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16668 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16670 * recog.h: Remove the prototype for
16671 validate_change_maybe_volatile.
16673 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16675 * rtlanal.c (replace_reg): Remove.
16676 * rtl.h: Remove the prototype for replace_reg.
16678 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16680 * regclass.c (reg_scan_update): Remove.
16681 (reg_scan_mark_refs): Remove the last argument.
16682 * rtl.h: Remove the prototype for reg_scan_update.
16684 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16686 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16687 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16688 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16689 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16690 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16691 loop-invariant.c, omp-low.c, opts.c, passes.c,
16692 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16693 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16694 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16695 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16696 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16697 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16699 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16701 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16702 * dwarf2out.h: Remove the prototype for
16703 dwarf2out_add_library_unit_info.
16705 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16707 * tree.c (add_var_to_bind_expr): Remove.
16708 * tree.h: Remove the prototype for add_var_to_bind_expr.
16710 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16712 * regclass.c (n_non_fixed_regs): Remove.
16713 (init_reg_sets_1, globalize_reg): Remove all uses of
16715 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16717 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16719 * rtlanal.c (insns_safe_to_move_p): Remove.
16720 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16722 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16724 * expmed.c (expand_mult_add): Remove.
16725 * expr.h: Remove the prototype for expand_mult_add.
16727 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16729 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16730 and REG_SAVED_VAL_EXP constants.
16731 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16732 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16733 Handle regs stored by value.
16734 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16735 (execute_cfa_program): Handle DW_CFA_val_offset,
16736 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16737 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16738 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16739 (uw_install_context_1): Handle target regs stored by value.
16741 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16743 * tree-sra.c (tree_sra): Return todoflags;
16744 (generate_one_element): Set TODO_update_smt_usage if needed.
16745 (pass_sra): Remove TODO_update_smt_usage.
16746 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16748 (tree_ssa_forward_propagate_single_use_vars): Return
16749 TODO_update_smt_usage if we need to update SMT usage.
16750 (pass_forwprop): Remove TODO_update_smt_usage.
16752 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16754 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16755 (correct_use_link): Remove reference to get_stmt_operands.
16756 (update_stmt_operands): Likewise.
16757 (get_modify_expr_operands): New function factored out of
16758 parse_ssa_operands and get_expr_operands.
16759 Try to create V_MUST_DEFs for LHS by default.
16760 (get_expr_operands) <case MODIFY_EXPR>: Call
16761 get_modify_expr_operands.
16762 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16763 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16764 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16765 get_modify_expr_operands.
16767 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16769 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16770 * tree-flow.h: Remove the prototype for
16771 referenced_var_lookup_if_exists.
16773 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16775 PR rtl-optimization/26345
16777 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16779 2006-03-03 Roger Sayle <roger@eyesopen.com>
16781 PR tree-optimization/26524
16782 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16783 fold_convert to create a constant of the appropriate type.
16785 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16787 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16788 SYMBOL_REF_IN_BLOCK_P.
16789 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16790 of SYMBOL_FLAG_IN_BLOCK.
16791 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16792 instead of SYMBOL_REF_IN_BLOCK_P.
16793 * explow.c (use_anchored_address): Likewise.
16794 * rtl.c (rtx_size): Likewise.
16795 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16796 instead of SYMBOL_FLAG_IN_BLOCK.
16797 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16798 SYMBOL_REF_IN_BLOCK_P.
16799 (assemble_variable): Likewise.
16800 (output_constant_def_contents): Likewise.
16801 (output_constant_pool): Likewise.
16802 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16803 instead of SYMBOL_FLAG_IN_BLOCK.
16804 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16805 SYMBOL_REF_IN_BLOCK_P.
16806 (SYMBOL_REF_BLOCK): Likewise.
16807 (SYMBOL_REF_OFFSET): Likewise.
16808 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16809 SYMBOL_REF_IN_BLOCK_P.
16810 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16811 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16812 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16813 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16815 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16817 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16819 2006-03-02 Roger Sayle <roger@eyesopen.com>
16821 * simplify-rtx.c (simplify_unary_operation): When simplifying
16822 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
16823 that we perform the right shift in the appropriate mode, and
16824 then extend or truncate the result to requested mode.
16826 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
16828 * gengtype.c (main): Handle double_int type.
16829 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
16830 * double-int.c: New file.
16831 * double-int.h: New file.
16832 * system.h: Include doubleint.h.
16833 * Makefile.in (SYSTEM_H): Include double-int.h.
16834 (double-int.o): Add.
16836 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
16839 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
16842 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16844 * tree-vrp.c (remove_range_assertions): Do not update statements
16847 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16849 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
16851 * gcse.c (rest_of_handle_gcse): Ditto.
16852 * except.c (gate_handle_eh): Ditto.
16853 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
16854 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
16856 2006-03-02 Eric Christopher <echristo@apple.com>
16858 * config/i386/i386.c (machopic_output_stub): Add indirection to
16861 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
16865 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
16867 Sun Niagara specific optimizations.
16868 * config.gcc: Recognize niagara as target.
16869 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
16870 (TARGET_CPU_niagara): Define.
16871 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
16872 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
16873 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16874 (ASM_CPU_SPEC): Likewise.
16875 (PROCESSOR_NIAGARA): New enum entry.
16876 (REGISTER_MOVE_COST): Handle Niagara.
16877 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
16878 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
16879 (sparc_override_options): Recognize "niagara", set appropriate
16880 default MASK_* values for it, and align functions to 32-bytes
16881 by default just like ULTRASPARC/ULTRASPARC3.
16882 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
16883 (sparc64_initialize_trampoline): Likewise.
16884 (sparc_use_sched_lookahead): Use zero for niagara.
16885 (sparc_issue_rate): Use one for niagara.
16886 * config/sparc/niagara.md: New file.
16887 * config/sparc/sparc.md: Include it.
16888 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
16889 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
16890 when default cpu is niagara.
16891 (CPP_CPU_SPEC): Handle -mcpu=niagara.
16892 (ASM_CPU_SPEC): Likewise.
16893 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
16894 when default cpu is niagara.
16895 (ASM_CPU_SPEC): Handle -mcpu=niagara.
16896 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
16897 just like v9/ultrasparc/ultrasparc3.
16898 * doc/invoke.texi: Add documentation for "niagara" and improve
16899 existing documentation for ultrasparc variants.
16901 2006-03-02 Diego Novillo <dnovillo@redhat.com>
16903 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
16905 2006-03-02 Richard Sandiford <richard@codesourcery.com>
16907 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
16908 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
16909 and say that only one is needed.
16910 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
16911 * target.h (have_switchable_bss_sections): New hook.
16912 * explow.c (use_anchored_address): Check that the symbol is in a block.
16913 * varasm.c (tls_comm_section, comm_section, lcomm_section)
16914 (bss_noswitch_section): New variables.
16915 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
16916 (get_noswitch_section): New function.
16917 (get_block_for_section): Allow SECT to be null.
16918 (unlikely_text_section_p): Use SECTION_STYLE.
16919 (bss_initializer_p): New function.
16920 (get_variable_section): Move earlier in file. Take a new argument,
16921 prefer_noswitch_p. Move bss checks from assemble_variable to here.
16922 Return one of the new *_sections in such cases.
16923 (get_block_for_decl): New function, extracting some logic from
16924 use_blocks_for_decl_p.
16925 (change_symbol_section): Remove in favor of...
16926 (change_symbol_block): ...this new function.
16927 (use_blocks_for_decl_p): Remove checks now performed by
16928 get_block_for_decl.
16929 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
16930 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
16931 (emit_local, emit_bss, emit_common): ...these new functions.
16932 Return true if the alignment was honored.
16933 (emit_tls_common): New function.
16934 (asm_emit_uninitialised): Delete.
16935 (assemble_variable_noswitch): New function, split out from...
16936 (assemble_variable): ...here. Don't make decisions about common
16937 variables here. Globalize all public decls that go into non-common
16938 sections. Check whether SYMBOL_REF_BLOCK is null.
16939 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
16940 (output_constant_pool): Likewise.
16941 (init_varasm_once): Initialize the new section variables.
16942 (have_global_bss_p): New function.
16943 (categorize_decl_for_section): Use bss_initializer_p.
16944 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
16945 (place_block_symbol): Assert that the symbol must be in a block.
16946 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
16947 (TARGET_INITIALIZER): Include it.
16948 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
16949 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
16950 (SECTION_MACH_DEP): Bump by two.
16951 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
16952 (unnamed_section): Mention SECTION_UNNAMED in comment.
16953 (named_section): Likewise SECTION_NAMED.
16954 (noswitch_section_callback): New type.
16955 (noswitch_section): New structure.
16956 (section): Add a noswitch_section alternative.
16957 (SECTION_STYLE): New macro.
16958 (tls_comm_section, comm_section, lcomm_section): Declare.
16959 (bss_noswitch_section, have_global_bss_p): Declare.
16960 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16961 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16963 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
16964 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
16967 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
16969 * tree-vrp.c (execute_vrp): Return value.
16970 * regrename.c (rest_of_handle_regrename): Ditto.
16971 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
16972 * tree-complex.c (tree_lower_complex): Ditto.
16973 (tree_lower_complex_O0): Ditto.
16974 * tracer.c (rest_of_handle_tracer): Ditto.
16975 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
16976 * postreload.c (rest_of_handle_postreload): Ditto.
16977 * tree-tailcall.c (execute_tail_recursion): Ditto.
16978 (execute_tail_calls): Ditto.
16979 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16980 * tree.h (init_function_for_compilation): Ditto.
16981 * ipa-cp.c (ipcp_driver): Ditto.
16982 * tree-scalar-evolution.c (scev_const_prop): Ditto.
16983 * tree-scalar-evolution.h (scev_const_prop): Ditto.
16984 * final.c (compute_alignments): Ditto.
16985 (rest_of_handle_final): Ditto.
16986 (rest_of_handle_shorten_branches): Ditto.
16987 (rest_of_clean_state): Ditto.
16988 * omp-low.c (execute_expand_omp): Ditto.
16989 (execute_lower_omp): Ditto.
16990 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
16991 * ipa-reference.c (static_execute): Ditto.
16992 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
16993 * reorg.c (rest_of_handle_delay_slots): Ditto.
16994 (rest_of_handle_machine_reorg): Ditto.
16995 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
16996 * flow.c (recompute_reg_usage): Ditto.
16997 (rest_of_handle_remove_death_notes): Ditto.
16998 (rest_of_handle_life): Ditto.
16999 (rest_of_handle_flow2): Ditto.
17000 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17001 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17002 (do_ssa_store_ccp): Ditto.
17003 (execute_fold_all_builtins): Ditto.
17004 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17005 * modulo-sched.c (rest_of_handle_sms): Ditto.
17006 * ipa-pure-const.c (static_execute): Ditto.
17007 * cse.c (rest_of_handle_cse): Ditto.
17008 (rest_of_handle_cse2): Ditto.
17009 * web.c (rest_of_handle_web): Ditto.
17010 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17011 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17012 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17013 * tree-nrv.c (tree_nrv): Ditto.
17014 (execute_return_slot_opt): Ditto.
17015 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17016 (create_structure_vars): Ditto.
17017 * loop-init.c (rtl_loop_init): Ditto.
17018 (rtl_loop_done): Ditto.
17019 (rtl_move_loop_invariants): Ditto.
17020 (rtl_unswitch): Ditto.
17021 (rtl_unroll_and_peel_loops): Ditto.
17022 (rtl_doloop): Ditto.
17023 * gimple-low.c (lower_function_body): Ditto.
17024 (mark_used_blocks): Ditto.
17025 * tree-ssa-sink.c (execute_sink_code): Ditto.
17026 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17027 (cgraph_early_inlining): Ditto.
17028 * global.c (rest_of_handle_global_alloc): Ditto.
17029 * jump.c (cleanup_barriers): Ditto.
17030 (purge_line_number_notes): Ditto.
17031 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17032 (rest_of_handle_if_after_reload): Ditto.
17033 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17034 (tree_ssa_loop_im): Ditto.
17035 (tree_ssa_loop_unswitch): Ditto.
17036 (tree_vectorize): Ditto.
17037 (tree_linear_transform): Ditto.
17038 (tree_ssa_loop_ivcanon): Ditto.
17039 (tree_ssa_empty_loop): Ditto.
17040 (tree_ssa_loop_bounds): Ditto.
17041 (tree_complete_unroll): Ditto.
17042 (tree_ssa_loop_prefetch): Ditto.
17043 (tree_ssa_loop_ivopts): Ditto.
17044 (tree_ssa_loop_done): Ditto.
17045 * predict.c (tree_estimate_probability): Ditto.
17046 * recog.c (split_all_insns_noflow): Ditto.
17047 (rest_of_handle_peephole2): Ditto.
17048 (rest_of_handle_split_all_insns): Ditto.
17049 * tree-eh.c (lower_eh_constructs): Ditto.
17050 * regmove.c (rest_of_handle_regmove): Ditto.
17051 (rest_of_handle_stack_adjustments): Ditto.
17052 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17053 * function.c (instantiate_virtual_regs): Ditto.
17054 (init_function_for_compilation): Ditto.
17055 (rest_of_handle_check_leaf_regs): Ditto.
17056 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17057 (rest_of_handle_gcse): Ditto.
17058 * ipa-type-escape.c (type_escape_execute): Ditto.
17059 * alias.c (rest_of_handle_cfg): Ditto.
17060 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17061 * profile.c (rest_of_handle_branch_prob): Ditto.
17062 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17063 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17064 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17065 * tree-dfa.c (find_referenced_vars): Ditto.
17066 * except.c (set_nothrow_function_flags): Ditto.
17067 (convert_to_eh_region_ranges): Ditto.
17068 (rest_of_handle_eh): Ditto.
17069 * emit-rtl.c (unshare_all_rtl): Ditto.
17070 (remove_unnecessary_notes): Ditto.
17071 * except.h (set_nothrow_function_flags): Ditto.
17072 (convert_to_eh_region_ranges): Ditto.
17073 * cfgexpand.c (tree_expand_cfg): Ditto.
17074 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17075 * tree-ssa-pre.c (do_pre): Ditto.
17076 (execute_fre): Ditto.
17077 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17078 (rest_of_handle_jump2): Ditto.
17079 * tree-sra.c (tree_sra): Ditto.
17080 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17081 (execute_mudflap_function_decls): Ditto.
17082 * tree-ssa-copy.c (do_copy_prop): Ditto.
17083 (do_store_copy_prop): Ditto.
17084 * ipa-prop.h (ipcp_driver): Ditto.
17085 * cfglayout.c (insn_locators_initialize): Ditto.
17086 * tree-ssa-forwprop.c
17087 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17088 * cfglayout.h (insn_locators_initialize): Ditto.
17089 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17090 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17091 (execute_late_warn_uninitialized): Ditto.
17092 * rtl.h (cleanup_barriers): Ditto.
17093 (split_all_insns_noflow): Ditto.
17094 (purge_line_number_notes): Ditto.
17095 (unshare_all_rtl): Ditto.
17096 (remove_unnecessary_notes): Ditto.
17097 (recompute_reg_usage): Ditto.
17098 (variable_tracking_main): Ditto.
17099 * integrate.c (emit_initial_value_sets): Ditto.
17100 * integrate.h (emit_initial_value_sets): Ditto.
17101 * tree-optimize.c (execute_free_datastructures): Ditto
17102 (execute_free_cfg_annotations): Ditto.
17103 (execute_fixup_cfg): Ditto.
17104 (execute_cleanup_cfg_pre_ipa): Ditto.
17105 (execute_cleanup_cfg_post_optimizing): Ditto.
17106 (execute_init_datastructures): Ditto.
17107 * tree-object-size.c (compute_object_sizes): Ditto.
17108 * combine.c (rest_of_handle_combine): Ditto.
17109 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17110 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17111 (rest_of_handle_reorder_blocks): Ditto.
17112 (rest_of_handle_partition_blocks): Ditto.
17113 * var-tracking.c (variable_tracking_main): Ditto.
17114 * tree-profile.c (tree_profiling): Ditto.
17115 * tree-vect-generic.c (expand_vector_operations): Ditto.
17116 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17117 * sched-rgn.c (rest_of_handle_sched): Ditto.
17118 (rest_of_handle_sched2): Ditto.
17119 * basic-block.h (free_bb_insn): Ditto.
17120 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17121 * tree-cfg.c (execute_build_cfg): Ditto.
17122 (remove_useless_stmts): Ditto.
17123 (split_critical_edges): Ditto.
17124 (execute_warn_function_return): Ditto.
17125 (execute_warn_function_noreturn): Ditto.
17126 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17127 * cfgrtl.c (free_bb_for_insn): Ditto.
17128 * passes.c (execute_one_pass): Run additional
17129 todos returned by execute function.
17130 * tree-pass.h (struct tree_opt_pass): Make execute
17133 2006-03-02 Richard Guenther <rguenther@suse.de>
17135 * tree-ssa-alias.c (find_used_portions): Consider taking
17136 the address as making the variable not write-only.
17138 2006-03-02 Nick Clifton <nickc@redhat.com>
17140 * config.gcc (default_use_cxa_atexit): Extend the description of
17141 this configure variable. Set its default value to "yes" for
17142 Linux, NetBSD and ELF targets on the assumption that they will
17143 use C libraries with the __cxa_atexit function.
17145 2006-03-02 Ben Elliston <bje@au.ibm.com>
17147 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17148 parameter as unused to suppress a build warning.
17150 2006-03-02 Ben Elliston <bje@au.ibm.com>
17152 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17155 2006-03-01 Roger Sayle <roger@eyesopen.com>
17158 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17159 declared name, the weak reference name, and the typeof name.
17160 (__gthrw): Avoid expanding the declared name suffix.
17161 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17163 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17165 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17167 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17168 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17169 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17170 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17171 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17172 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17173 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17174 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17175 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17176 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17177 (DW_END_default, DW_END_big, DW_END_little): New.
17178 (DW_END_lo_user, DW_END_hi_user): Define.
17179 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17180 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17181 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17184 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17186 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17188 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17190 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17192 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17194 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17195 to 'symbol_mem_tag'.
17197 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17200 2006-03-01 Roger Sayle <roger@eyesopen.com>
17202 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17204 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17207 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17208 MACHO_DYNAMIC_NO_PIC_P.
17209 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17211 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17214 * config/darwin-protos.h (darwin_asm_output_anchor):
17216 * config/darwin-sections.def (cstring_section):
17217 Add SECTION_MERGE to the flags.
17218 (literal4_section): Likewise.
17219 (literal8_section): Likewise.
17220 (objc_selector_refs_section): Likewise.
17221 (objc_cls_refs_section): Likewise.
17222 * config/darwin.c (darwin_asm_output_anchor): New
17224 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17226 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17228 Fix PR tree-optimization/26443
17229 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17230 to todo and PROP_tmt_usage to properties_destroyed.
17231 * tree-ssa-ccp.c (pass_ccp): Ditto.
17232 (pass_store_ccp): Ditto.
17233 * tree-ssa-dom.c (pass_dominator): Ditto.
17235 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17237 * tree-ssa-operands.c: Cleanup whitespace.
17238 (get_asm_expr_operands): Move before first invocation.
17239 (get_indirect_ref_operands): Likewise.
17240 (get_tmr_operands): Likewise.
17241 (get_call_expr_operands): Likewise.
17242 (append_def): Likewise.
17243 (append_use): Likewise.
17244 (append_v_may_def): Likewise.
17245 (append_v_must_def): Likewise.
17246 (add_call_clobber_ops): Likewise.
17247 (add_call_read_ops): Likewise.
17248 (add_stmt_operand): Likewise.
17249 (add_virtual_operand): Likewise.
17250 (build_ssa_operands): Likewise.
17252 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17254 PR middle-end/26022
17256 PR middle-end/24437
17257 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17258 with a call expr to ...
17259 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17261 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17263 * tree-vrp.c (extract_range_from_assert): Remove special
17264 handling for types with super-types.
17266 2006-03-01 Ben Elliston <bje@au.ibm.com>
17268 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17269 and powerpc64-*-linux* configurations.
17270 * config/t-dfprules: New file.
17272 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17273 Compile dfp-bit.c from the source directory using -DWIDTH and
17274 $DFP_CFLAGS to control the compilation of that file, rather than
17275 generating width-specific versions in the build directory.
17276 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17277 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17279 2006-02-28 Zack Weinberg <zackw@panix.com>
17281 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17284 2006-02-28 Eric Christopher <echristo@apple.com>
17286 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17287 Set up IN_LIBGCC definition of TARGET_64BIT.
17288 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17290 2006-02-28 Roger Sayle <roger@eyesopen.com>
17292 PR middle-end/14752
17293 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17294 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17295 cases via the construction of "expr != 0".
17297 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17299 * alias.c (alias_invariant, alias_invariant_size): Remove.
17300 (record_base_value): Remove.
17301 (memrefs_conflict_p): Don't look at alias_invariant.
17302 (end_alias_analysis): Don't free it.
17303 * alias.h (record_base_value): Remove prototype.
17305 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17306 Adam Nemet <anemet@caviumnetworks.com>
17308 * rtl.h (truncated_to_mode): Declare it.
17309 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17310 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17311 (RTL_HOOKS_INITIALIZER): Include it.
17312 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17313 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17314 reg_truncated_to_mode.
17315 * rtlanal.c (truncated_to_mode): Define it.
17316 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17318 2006-02-28 Jeff Law <law@redhat.com>
17320 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17321 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17322 the range allowed by TYPE_PRECISION.
17324 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17326 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17328 PR tree-optimization/26419
17329 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17332 2006-02-27 Zack Weinberg <zackw@panix.com>
17334 * doc/md.texi: Fix typo in previous change.
17336 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17340 2006-02-27 Zack Weinberg <zackw@panix.com>
17342 * rtl.def (define_constraint, define_register_constraint)
17343 (define_memory_constraint, define_address_constraint): New MD forms.
17344 * gensupport.c (process_rtx): Put define_constraint etc on the
17346 * genpreds.c (process_define_predicate): Adjust comment. Validate
17347 the name, and call validate_exp to validate the expression.
17348 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17349 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17350 all callers changed.
17351 (validate_exp, needs_variable, struct constraint_data)
17352 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17353 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17354 (const_dbl_constraints, constraint_max_namelen)
17355 (have_register_constraints, have_memory_constraints)
17356 (have_address_constraints, have_address_constraints)
17357 (have_extra_constraints, have_const_int_constraints)
17358 (have_const_dbl_constraints, mangle, add_constraint)
17359 (process_define_constraint, process_define_register_constraint)
17360 (write_enum_constraint_num, write_lookup_constraint)
17361 (write_insn_constraint_len, write_regclass_for_constraint)
17362 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17363 (write_insn_extra_memory_constraint)
17364 (write_insn_extra_address_constraint)
17365 (write_satisfies_constraint_fns): New.
17366 (write_tm_preds_h): If we have new-style constraint definitions,
17367 prototype the functions generated from them, and define the
17368 old constraint interface (still used by generic code) in terms of
17370 (write_insn_preds_c): If we have new-style constraint definitions,
17371 generate all relevant functions from those definitions.
17372 (main): Handle define_constraint etc.
17373 * genoutput.c (struct constraint_data, indep_constraints)
17374 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17375 (mdep_constraint_len): New data structures and functions, defined
17376 #ifdef USE_MD_CONSTRAINTS.
17377 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17378 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17379 use new logic to validate operand constraints against constraint
17381 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17383 * defaults.h: If none of the old-style constraint macros are
17384 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17385 old-style macros; and poison REG_CLASS_FROM_LETTER,
17386 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17388 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17389 * doc/md.texi: Document new constraint-definition mechanism and the
17390 C interface it provides. Remove references to old mechanism
17391 elsewhere in the document.
17392 (Machine Constraints): Use pathnames relative to gcc directory,
17393 i.e. config/ARCH/FILE. Change i386 section to refer to
17394 config/i386/predicates.md; update that section to match docstrings.
17395 * doc/tm.texi: Move all documentation of the old constraint-
17396 definition macros to their own section, clearly mark as obsolete.
17398 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17399 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17401 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17402 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17403 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17404 constraint strings.
17405 (splits and peepholes): Use satisfies_constraint_*.
17406 * config/i386/i386.c (memory_address_length)
17407 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17409 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17411 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17412 scalar operation to be put back into the loop.
17414 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17417 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17418 (extract_cie_info): Handle S flag in augmentation string.
17419 (execute_cfa_program): If context->signal_frame, execute also
17420 fs->pc == context->ra instructions.
17421 (uw_frame_state_for): If context->signal_frame, don't subtract one
17422 from context->ra to find FDE.
17423 (uw_update_context_1): Set context->signal_frame to
17425 (_Unwind_GetIPInfo): New function.
17426 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17427 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17429 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17430 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17431 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17432 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17433 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17434 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17435 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17436 x86_64_fallback_frame_state): Set fs->signal_frame.
17437 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17438 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17439 (frob_update_context): Likewise. Workaround missing S flag in
17440 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17441 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17442 Remove the psw_addr + 1 hack.
17444 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17446 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17447 with aggregates here.
17448 (find_func_aliases): Remove code for &<aggregate> from here.
17450 2006-02-26 Roger Sayle <roger@eyesopen.com>
17452 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17453 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17454 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17455 as (X & C) ne/eq 0.
17457 2006-02-26 Roger Sayle <roger@eyesopen.com>
17459 PR middle-end/19983
17460 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17462 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17464 * opts.c (decode_options): Do not handle flag_strength_reduce.
17465 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17466 and OPT_fstrength_reduce.
17467 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17468 flag_prefetch_loop_arrays for being nonzero.
17469 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17471 (fprefetch-loop-arrays-rtl): Removed.
17472 (flag_prefetch_loop_arrays): Do not specify the value.
17474 * doc/passes.texi: Update documentation of loop optimizer
17476 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17477 -frerun-loop-opt): Remove.
17479 2006-02-26 Richard Guenther <rguenther@suse.de>
17481 PR tree-optimization/26421
17482 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17483 in function calls that are ADDR_EXPRs as using the whole structure.
17485 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17487 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17488 * tree-pass.h (pass_loop_optimize): Remove.
17489 * passes.c (pass_loop_optimize): Never run it.
17490 * toplev.c (backend_init): Don't call init_loop.
17491 * opts.c (flag_loop_optimize_set): Remove.
17492 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17493 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17494 the old RTL loop optimizer when profiling enabled.
17495 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17496 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17497 pre-headers for the sake of the old RTL loop optimizer.
17498 * Makefile.in: Remove all references to loop.o.
17500 * doc/invoke.texi: Remove all references to -floop-optimize
17501 and -frerun-loop-opt.
17503 2006-02-26 Zack Weinberg <zackw@panix.com>
17505 * doc/md.texi (Machine Constraints): Refer to all files with paths
17506 relative to gcc directory (i.e. config/CPU/file). Add missing
17507 @table @code ... @end table to M32C subsection.
17509 2006-02-26 Roger Sayle <roger@eyesopen.com>
17511 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17513 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17515 2006-02-26 Roger Sayle <roger@eyesopen.com>
17516 James A. Morrison <phython@gcc.gnu.org>
17518 PR middle-end/21137
17519 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17520 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17521 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17522 signedness of the shift operation.
17524 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17526 PR tree-optimization/26359
17527 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17529 2006-02-25 Roger Sayle <roger@eyesopen.com>
17531 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17532 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17533 as X == 0, and some symmetry related transformations.
17534 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17536 2006-02-25 Roger Sayle <roger@eyesopen.com>
17538 PR middle-end/23673
17539 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17540 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17541 symmetry related transformations. Fold (X^C1) == C2 as
17544 2006-02-25 Juergen Weigert <jw@suse.de>
17545 Richard Guenther <rguenther@suse.de>
17547 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17549 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17551 * combine.c (gen_lowpart_or_truncate): Call
17552 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17554 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17556 * doc/invoke.texi: Move -fopenmp description to "Options for
17558 Remove reference to -lgomp.
17560 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17562 * doc/install.texi: Require GNU tar version 1.14.
17564 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17566 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17567 * doc/invoke.texi (C++ Dialect Options): Document
17568 -fno-use-cxa-get-exception-ptr.
17569 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17570 * configure: Regenerate.
17571 * c.opt (fuse-cxa-get-exception-ptr): New.
17572 * c-opts.c (c_common_handle_option): Handle
17573 OPT_fuse_cxa_get_exception_ptr.
17574 * c-common.c (flag_use_cxa_atexit): Update documentation.
17575 (flag_use_cxa_get_exception_ptr): New.
17576 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17577 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17579 (C_COMMON_OVERRIDE_OPTIONS): New.
17581 2006-02-24 Roger Sayle <roger@eyesopen.com>
17583 PR middle-end/24952
17584 * combine.c (try_combine): Explicitly check whether GET_CODE is
17585 a SET or a CLOBBER, instead on checking that it isn't a USE.
17587 2006-02-24 Roger Sayle <roger@eyesopen.com>
17589 * fold-const.c (fold_comparison): New subroutine of fold_binary
17590 containing transformations common to both the equality and
17591 ordering relational operators, factored out of fold_binary.
17592 (fold_binary): Separate out the equality operators (EQ_EXPR
17593 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17594 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17595 transformations common to both.
17596 (fold_div_compare): Fix latent bugs in the previously unreachable
17597 LT_EXPR and GE_EXPR cases.
17599 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17601 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17602 decl libname for clog to __clog on AIX.
17604 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17606 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17609 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17610 output traceback table for thunks. Localise rs6000_stack_info call.
17612 2006-02-23 Roger Sayle <roger@eyesopen.com>
17613 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17615 * gthr-posix.h (__gthrw): Fix typo in comment.
17617 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17619 * doc/cpp.texi (Character sets): Document that we do support
17620 input files to be in any character set.
17622 2006-02-23 Jeff Law <law@redhat.com>
17624 * tree.h (PHI_ARG_NONZERO): Remove.
17625 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17626 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17627 node to the new node.
17629 PR tree-optimization/26425
17630 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17631 min/max, then assume its varying.
17633 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17635 PR rtl-optimization/26316
17636 * rtlanal.c (enum may_trap_p_flags): New.
17637 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17638 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17639 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17640 (may_trap_after_code_motion_p): New function.
17641 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17642 (find_invariant_insn): Use may_trap_after_code_motion_p.
17643 * rtl.h (may_trap_after_code_motion_p): Declare.
17645 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17647 * emit-rtl.c (immed_double_const): Cleanup.
17649 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17651 Fix PR tree-optimization/26376
17652 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17655 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17657 PR middle-end/26412
17658 * gimplify.c (omp_add_variable): Guard variable size decl test with
17659 DECL_SIZE (decl) check.
17661 2006-02-23 Richard Guenther <rguenther@suse.de>
17663 PR middle-end/26439
17664 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17665 like aggregate types.
17667 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17669 * configure.ac: Add --with{,out}-long-double-128 configure option.
17670 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17671 * configure: Rebuilt.
17672 * config.in: Rebuilt.
17673 * doc/install.texi (Options specification): Document
17674 --with-long-double-128.
17676 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17677 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17678 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17679 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17681 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17683 * config/s390/s390.c (override_options): Handle
17684 TARGET_DEFAULT_LONG_DOUBLE_128.
17686 * config/alpha/alpha.c (override_options): Handle
17687 TARGET_DEFAULT_LONG_DOUBLE_128.
17689 * config/sparc/sparc.c (sparc_override_options): Handle
17690 TARGET_DEFAULT_LONG_DOUBLE_128.
17692 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17694 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17695 (real-install-headers-tar, real-install-headers-cpio)
17696 (real-install-headers-cp): New targets.
17698 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17700 * tree.h (variable_section): Delete.
17701 * varasm.c (variable_section): Delete.
17703 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17705 * install.texi: Add notes on install.texi2html.
17706 (Building in parallel): Do not use footnotes.
17708 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17711 * doc/install.texi (Configuration): Document --disable-libgomp.
17713 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17715 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17717 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17719 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17720 (vec_extractv2df_0_sse): New.
17722 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17724 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17725 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17726 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17727 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17728 to the result of the expression.
17729 (def_cfa_1): Adjust.
17730 (frame_pointer_cfa_offset): Rename to...
17731 (frame_pointer_fb_offset): ... this. Adjust all uses.
17732 (convert_cfa_to_loc_list): Rename to...
17733 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17734 Pass it on to build_cfa_loc.
17735 (compute_frame_pointer_to_cfa_displacement): Rename to...
17736 (compute_frame_pointer_to_fb_displacement): ... this. New
17737 offset parameter. Use it in computation.
17738 (gen_subprogram_die): Compute cfa_fb_offset with the new
17739 macro, and use it to compute the fb loc list and the
17742 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17744 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17745 replaced with register_operand.
17746 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17747 non-DREG is expensive.
17748 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17749 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17752 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17754 * doc/install.texi2html: Use set -e.
17756 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17758 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17759 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17760 * doc/invoke.texi (-fshared-data): Delete.
17761 * common.opt (fshared-data): Delete.
17762 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17763 (assemble_static_space): Remove #if 0 code.
17764 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17765 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17766 * config/cris/cris.h: Remove FIXME.
17768 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17770 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17773 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17775 PR middle-end/26379
17776 * combine.c (simplify_shift_const_1): Disable nested shifts
17777 optimization for vector shifts.
17779 2006-02-20 Roger Sayle <roger@eyesopen.com>
17781 PR tree-optimization/26361
17782 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17783 of unsigned integer types.
17785 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17787 * tree-chrec.c (eq_evolutions_p): New.
17788 * tree-chrec.h (eq_evolutions_p): Declared.
17789 * tree-data-ref.c: Fix formatting.
17790 (datadep_stats, dependence_stats): New.
17792 (print_direction_vector): New.
17793 (dump_data_dependence_relation): Use print_direction_vector.
17794 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17795 (compute_subscript_distance): Static.
17796 (initialize_data_dependence_relation): Static. Get the number
17797 of loops surrounding the references from the callers, and initialize
17798 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17799 base_object_differ_p analyzers.
17800 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17801 compute_overlap_steps_for_affine_1_2,
17802 analyze_subscript_affine_affine): Count the classified dependences.
17803 Print a message when a test failed.
17804 (can_use_analyze_subscript_affine_affine): New.
17805 (analyze_siv_subscript): Compute the data dependences on symbolic
17806 scevs that verify can_use_analyze_subscript_affine_affine.
17807 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17808 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17809 Handle symbolic scevs.
17810 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17812 (subscript_dependence_tester): Moved...
17813 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17814 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17815 DDR_SIZE_VECT instead of getting it in parameter.
17816 (subscript_dependence_tester): ... here. Take as a parameter
17817 loop_nest_depth. Call build_classic_dist_vector and
17818 build_classic_dir_vector.
17819 (compute_affine_dependence): Update subscript_dependence_tester
17820 parameters. Update datadep_stats counters. Call
17821 compute_subscript_distance.
17822 (compute_self_dependence): Save the dist and dir vectors. Call
17823 compute_subscript_distance.
17824 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
17825 (compute_all_dependences): Reorder parameters as they were before
17826 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
17827 compute_subscript_distance. Update the use of
17828 compute_affine_dependence and initialize_data_dependence_relation.
17829 (find_data_references_in_loop): Handle COMPONENT_REF.
17830 (compute_data_dependences_for_loop): Initialize dependence_stats.
17831 Don't call build_classic_dist_vector and build_classic_dir_vector.
17832 Update the parameters of initialize_data_dependence_relation and
17833 compute_all_dependences. Print the statistics from datadep_stats.
17834 (analyze_all_data_dependences): Static. Not used until the pass for
17835 checking the data dependences is contributed.
17836 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
17837 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
17838 (initialize_data_dependence_relation, compute_affine_dependence,
17839 analyze_all_data_dependences, compute_subscript_distance): Removed.
17840 (print_direction_vector): New.
17841 * lambda.h (gcd): ... here.
17842 (lambda_vector_gcd): Moved here from gcd_vector.
17843 * lambda-code.c (gcd, gcd_vector): Removed.
17844 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
17845 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
17847 2006-02-20 Diego Novillo <dnovillo@redhat.com>
17849 * ipa-type-escape.c: Tidy some comments and white space.
17850 * tree-ssa-operands.c: Likewise.
17852 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
17855 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
17856 (dump_decl_name): Do not walk the decl tree chains.
17857 * tree-pass.h (TDF_CHAIN): Remove.
17859 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17861 * Makefile.in (C): Remove
17863 (.PHONY): Remove C and PROTO
17865 2006-02-20 Roger Sayle <roger@eyesopen.com>
17867 PR middle-end/26236
17868 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
17869 deprecated CHAR_TYPE tree code.
17871 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17873 * configure.ac (target_list): Add install-info, dvi, html.
17874 * configure: Regenerate.
17876 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
17877 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
17878 treelang/Make-lang.in: Do not use double-colon rules.
17880 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
17882 * tree.h (struct tree_memory_tag): Add is_used_alone member.
17883 (TMT_USED_ALONE): New macro.
17884 * tree-pass.h (PROP_tmt_usage): New property.
17885 (TODO_update_tmt_usage): New todo.
17886 * tree-ssa-alias.c (updating_used_alone): New variable.
17887 (recalculate_used_alone): New function.
17888 (compute_may_aliases): Set updating_used_alone, call
17889 recalculate_used_alone.
17890 * tree-sra.c (pass_sra): Note that this pass destroys
17891 PROP_tmt_usage, and add TODO_update_tmt_usage.
17892 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
17893 * tree-flow.h (updating_used_alone): Prototype.
17894 (recalculate_used_alone): Ditto.
17895 * passes.c (execute_todo): Add code to set updating_used_alone,
17896 and call recalculate.
17897 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
17898 for clobber if used alone, and add assert to verify used_alone
17901 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
17903 * config/s390/s390.c (legitimize_pic_address): Assertions checking
17904 for non tls symbols added.
17905 (legitimize_address): Do nothing for PLUS expressions if one of the
17906 addends is a tls symbol reference.
17908 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
17912 * Makefile.in (LDFLAGS): Define from autoconf substitution.
17914 * Makefile.in (BOOTSTRAPPING): New.
17915 (quickstrap): New definition if BOOTSTRAPPING=yes.
17917 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
17918 * configure.ac: Substitute all_selected_languages with the languages
17919 that were configured. For all the other variables except
17920 lang_specs_files, include all the languages in the tree.
17921 * configure: Regenerate.
17923 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
17924 if there is one. Run the commands to run fixincludes in the same
17927 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
17928 * doc/install.texi: Document exact conventions for searching target tools.
17929 Document --with-build-time-tools. Document toplevel bootstrap. Document
17930 something more about building an Ada cross-compiler. Don't list GNU Make
17931 requirements which affect all platforms.
17933 2006-02-19 Roger Sayle <roger@eyesopen.com>
17935 PR middle-end/19543
17936 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
17937 only equivalent if the have both the same mode and precision.
17939 2006-02-20 Ben Elliston <bje@au.ibm.com>
17941 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
17943 2006-02-19 Roger Sayle <roger@eyesopen.com>
17944 Steven Bosscher <stevenb.gcc@gmail.com>
17946 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
17947 constant pool references to identify stack mode constants.
17948 * rtlanal.c (constant_pool_constant_p): New predicate to check
17949 whether operand is a floating point constant in the pool.
17950 * rtl.h (constant_pool_constant_p): Prototype here.
17951 * loop.c (scan_loop): Avoid hoisting constants from the constant
17952 pool on STACK_REGS targets.
17953 (load_mems): Likewise.
17954 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
17955 loads into x87 registers expensive in terms of register pressure.
17957 2006-02-19 Roger Sayle <roger@eyesopen.com>
17959 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
17960 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
17962 2006-02-19 David Edelsohn <edelsohn@gnu.org>
17964 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17965 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
17967 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
17969 * doc/invoke.texi: Document -fipa-pta.
17970 * common.opt: Add ipa-pta option.
17971 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
17972 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
17973 (do_ds_constraint): Ditto.
17974 (get_constraint_for): Only add to referenced_vars if
17975 referenced_vars exists.
17976 (insert_into_field_list): Rewrite to do this unsorted.
17977 (insert_into_field_list_sorted): Rename old insert_into_field_list
17979 (create_function_info_for): Use insert_into_field_list_sorted.
17980 (create_variable_info_for): Rewrite so it uses unsorted version,
17981 since the field list is sorted.
17982 (intra_create_variable_infos): Only add to referenced_vars if
17983 referenced_vars exists.
17984 (ipa_pta_execute): Init heapvars, and delete when done.
17985 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
17987 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17989 * doc/install.texi: Add missing `@samp'.
17991 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
17993 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
17996 2006-02-18 Mark Wielaard <mark@klomp.org>
17998 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
17999 who added new 4.1 features, bug fixes and integration support.
18001 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18004 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18005 MEM for ABI_V4 pic.
18007 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18009 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18010 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18011 (copy_insn_1): Likewise. Don't copy each field individually.
18013 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18015 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18016 * rtl.c (rtx_size): Rename variable to...
18017 (rtx_code_size): ...this.
18018 (rtx_size): New function.
18019 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18020 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18022 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18023 * rtl.h (rtx_code_size): New variable.
18024 (rtx_size): Change from a variable to a function.
18025 (RTX_SIZE): Rename to...
18026 (RTX_CODE_SIZE): ...this.
18029 PR tree-optimization/17106
18030 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18031 (Anchored Addresses): New section.
18032 * doc/invoke.texi (-fsection-anchors): Document.
18033 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18034 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18035 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18036 * hooks.c (hook_bool_mode_rtx_false): New function.
18037 * hooks.h (hook_bool_mode_rtx_false): Declare.
18038 * gengtype.c (create_optional_field): New function.
18039 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18040 SYMBOL_REF_IN_BLOCK_P is true.
18041 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18042 (min_anchor_offset, max_anchor_offset): Likewise.
18043 (use_anchors_for_symbol_p): New hook.
18044 * toplev.c (compile_file): Call output_object_blocks.
18045 (target_supports_section_anchors_p): New function.
18046 (process_options): Check that -fsection-anchors is only used on
18047 targets that support it and when -funit-at-a-time is in effect.
18048 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18049 if the decl doesn't have one.
18050 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18051 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18052 of force_const_mem through use_anchored_address.
18053 (expand_expr_constant): New function.
18054 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18055 calling expand_expr for INDIRECT_REF.
18056 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18057 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18058 * expr.h (use_anchored_address): Declare.
18059 * loop-unroll.c: Don't declare rtx vectors here.
18060 * explow.c: Include output.h.
18061 (validize_mem): Call use_anchored_address.
18062 (use_anchored_address): New function.
18063 * common.opt (-fsection-anchors): New switch.
18064 * varasm.c (object_block_htab, anchor_labelno): New variables.
18065 (hash_section, object_block_entry_eq, object_block_entry_hash)
18066 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18067 (use_blocks_for_decl_p, change_symbol_section): New functions.
18068 (get_variable_section): New function, split out from assemble_variable.
18069 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18070 use_blocks_for_decl_p say so. Use change_symbol_section if the
18071 symbol has already been created.
18072 (assemble_variable_contents): New function, split out from...
18073 (assemble_variable): ...here. Don't output any code for
18074 block symbols; just pass them to place_block_symbol.
18075 Use get_variable_section and assemble_variable_contents.
18076 (get_constant_alignment, get_constant_section, get_constant_size): New
18077 functions, split from output_constant_def_contents.
18078 (build_constant_desc): Create a block symbol if use_object_blocks_p
18079 says so. Or into SYMBOL_REF_FLAGS.
18080 (assemble_constant_contents): New function, split from...
18081 (output_constant_def_contents): ...here. Don't output any code
18082 for block symbols; just pass them to place_section_symbol.
18083 Use get_constant_section and get_constant_alignment.
18084 (force_const_mem): Create a block symbol if use_object_blocks_p and
18085 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18086 (output_constant_pool_1): Add an explicit alignment argument.
18087 Don't switch sections here.
18088 (output_constant_pool): Adjust call to output_constant_pool_1.
18089 Switch sections here instead. Don't output anything for block symbols;
18090 just pass them to place_block_symbol.
18091 (init_varasm_once): Initialize object_block_htab.
18092 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18093 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18094 (place_block_symbol, get_section_anchor, output_object_block)
18095 (output_object_block_htab, output_object_blocks): New functions.
18096 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18097 (TARGET_ASM_OUT): Include it.
18098 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18099 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18100 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18101 (TARGET_INITIALIZER): Include them.
18102 * rtl.c (rtl_check_failed_block_symbol): New function.
18103 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18104 (block_symbol, object_block): New structures.
18105 (rtx_def): Add a block_symbol field to the union.
18106 (BLOCK_SYMBOL_CHECK): New macro.
18107 (rtl_check_failed_block_symbol): Declare.
18108 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18109 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18110 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18111 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18112 * output.h (output_section_symbols): Declare.
18113 (object_block): Name structure.
18114 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18115 (default_use_anchors_for_symbol_p): Declare.
18116 * Makefile.in (RTL_BASE_H): Add vec.h.
18117 (explow.o): Depend on output.h.
18118 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18119 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18120 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18121 (rs6000_use_blocks_for_constant_p): New function.
18123 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18125 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18127 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18130 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18133 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18135 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18139 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18141 PR middle-end/26334
18142 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18143 instead of DECL_REGISTER.
18145 2006-02-18 Olivier Hainque <hainque@adacore.com>
18148 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18150 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18153 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18154 * opth-gen.awk: Handle Var and InverseMask together.
18155 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18156 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18157 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18158 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18160 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18161 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18162 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18163 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18164 LINUX_DYNAMIC_LINKER): Define.
18165 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18166 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18168 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18169 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18170 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18172 (TARGET_C99_FUNCTIONS): Don't define.
18173 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18174 GLIBC_DYNAMIC_LINKER.
18175 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18176 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18177 GLIBC_DYNAMIC_LINKER64): Define.
18178 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18179 LINUX_DYNAMIC_LINKER64.
18180 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18181 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18182 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18183 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18184 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18186 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18187 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18188 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18190 and LINUX_DYNAMIC_LINKER32.
18191 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18192 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18193 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18195 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18197 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18198 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18199 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18200 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18201 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18202 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18203 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18204 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18205 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18206 LINUX_DYNAMIC_LINKER): Define.
18207 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18208 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18209 GLIBC_DYNAMIC_LINKER64): Define.
18210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18211 LINUX_DYNAMIC_LINKER64.
18212 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18213 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18214 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18215 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18216 LINUX_DYNAMIC_LINKER): Define.
18217 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18218 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18219 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18220 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18221 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18222 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18223 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18224 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18225 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18226 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18227 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18228 * doc/invoke.texi (-muclibc): Remove caveat about supported
18231 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18233 * doc/cpp.texi (__TIMESTAMP__): Document.
18235 2006-02-17 Roger Sayle <roger@eyesopen.com>
18237 PR middle-end/25600
18238 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18239 C is one less than the width of X (and related transformations).
18240 * simplify-rtx.c (simplify_unary_operation_1): Transform
18241 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18242 depending on STORE_FLAG_VALUE, were C is one less then the
18245 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18247 Fix PR tree-optimization/26341
18248 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18249 about NAME_MEMORY_TAG's.
18251 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18254 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18255 with hardware float support, and software float support. Add fcpy
18256 alternative to hardware patterns. Add alternatives to copy between
18257 general and floating-point registers to the 32-bit pattern.
18258 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18259 secondary reload to load a QI or HI mode constant into a floating
18261 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18262 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18264 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18267 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18269 (load_macho_picbase_di): Likewise.
18271 2006-02-16 Jeff Law <law@redhat.com>
18273 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18274 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18275 (ssa_name_nonzero_p): Likewise.
18276 (get_value_range): Return NULL if VRP is not running.
18277 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18278 VRP routines do not discover a range.
18279 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18280 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18281 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18282 (tree_expr_nonnegative_p): Similarly.
18283 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18284 (restore_nonzero_vars_to_original_value): Remove.
18285 (unsafe_associative_fp_binop): Remove.
18286 (tree_ssa_dominator_optimize): Remove initialization and
18287 finalization of nonzero_vars and nonzero_vars_stack.
18288 (dom_opt_initialize_block): No longer push marker on
18289 nonzero_vars_stack.
18290 (dom_opt_finalize_block): No longer call
18291 restore_nonzero_vars_to_original_value.
18292 (record_equivalences_from_phis): No longer look for
18293 nonzero PHI arguments.
18294 (cprop_into_successor_phis): No longer propagate nonzero
18295 property into PHI arguments. Lose unused argument. Caller
18297 (record_equivalences_from_stmt): No longer record nonzero
18298 values for SSA_NAMEs.
18299 (lookup_avail_expr): No longer use nonzero_vars.
18301 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18302 for sizetype when sizetype is unsigned.
18304 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18306 PR rtl-optimization/25603
18307 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18308 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18309 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18310 with new meaning of SETS.
18312 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18317 * config/linux.opt: New file.
18318 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18319 LINUX_DYNAMIC_LINKER): Define.
18320 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18321 * config.gcc (*-*-linux*): Define extra_options.
18322 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18323 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18324 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18325 GLIBC_DYNAMIC_LINKER.
18326 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18327 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18328 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18330 * doc/invoke.texi (GNU/Linux Options): New section.
18332 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18334 * config/sparc/sparc.md (setjmp): Rewrite.
18335 (setjmp_32): Delete.
18336 (setjmp_64): Likewise.
18338 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18340 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18343 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18345 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18348 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18350 PR rtl-optimization/26296
18351 * Makefile.in (loop-invariant.c): Add except.h dependency.
18352 * loop-invariant.c: Include except.h.
18353 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18355 2005-02-16 Paul Brook <paul@codesourcery.com>
18357 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18360 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18362 PR rtl-optimization/25636
18363 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18364 when deciding whether an insn is an initializing insn.
18366 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18368 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18369 (tree_code_size): Ditto.
18370 * tree.h (struct tree_memory_tag): Remove parent_var.
18371 (struct tree_struct_field_tag): New.
18374 (union tree_node): Add sft member.
18375 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18377 (create_sft): Add size and offset argument, set SFT_OFFSET and
18379 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18380 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18381 * tree-flow-inline.h (get_subvar_at): Update for
18382 SFT_OFFSET/SFT_SIZE.
18383 (var_can_have_subvars): Ditto.
18384 (overlap_subvar): Ditto.
18385 * print-tree.c (print_node): Print out interesting things for
18387 * tree-flow.h (struct subvar): Remove offset and size members.
18388 * tree-ssa-operands.c (get_expr_operands): Update for
18389 get_indirect_ref_operands changes.
18390 (get_indirect_ref_operands): Call add_virtual_operand instead of
18391 add_stmt_operand. Only recurse on base var if requested.
18392 (access_can_touch_variable): New function.
18393 (add_stmt_operand): Split virtual operand handling into ...
18394 (add_virtual_operand): Here. Add offset, size, and for_clobber
18395 arguments. Prune alias sets.
18396 (add_call_clobber_ops): Call add_virtual_operand.
18398 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18400 PR middle-end/26300
18401 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18403 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18404 than TREE_CODE as index into omp_clause_num_ops array.
18406 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18408 PR rtl-optimization/26184
18409 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18411 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18412 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18413 must_precede, must_follow and tobe_scheduled.
18416 * opts.c (common_handle_option): Free new_option pointer.
18417 * df-core.c (df_analyze): Free postorder pointer.
18419 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18421 * Makefile.in: Fix the examples about the use of stamps
18423 2006-02-15 Michael Matz <matz@suse.de>
18425 PR middle-end/22275
18427 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18428 influenced by maximum_field_alignment or DECL_PACKED.
18429 (update_alignment_for_field): Ditto.
18430 (place_field): Ditto.
18431 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18434 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18436 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18437 (debug_flow_info): Pass it.
18438 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18439 * bb-reorder.c (reorder_basic_blocks): Likewise.
18440 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18441 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18442 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18443 * gcse.c (gcse_main, bypass_jumps): Likewise.
18444 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18445 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18446 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18447 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18448 * rtl.h (dump_flow_info): Adjust prototype.
18449 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18450 * var-tracking.c (variable_tracking_main): Likewise.
18451 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18452 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18455 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18457 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18460 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18462 PR tree-optimization/26209
18463 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18464 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18466 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18468 2006-02-14 Roger Sayle <roger@eyesopen.com>
18470 PR middle-end/23670
18471 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18472 (X,Y) and the corresponding symmetry related transformations.
18473 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18474 (X,Y) and its symmetry related transformations.
18476 2006-02-14 Roger Sayle <roger@eyesopen.com>
18478 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18481 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18483 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18485 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18488 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18489 support COMDAT group.
18490 * configure: Regenerate.
18492 2006-02-14 Roger Sayle <roger@eyesopen.com>
18494 PR middle-end/26279
18495 PR middle-end/26280
18496 PR middle-end/26283
18497 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18499 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18501 Fix PR tree-optimization/26260
18503 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18505 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18506 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18507 * tree-ssa-structalias.c (create_variable_info_for): Use
18508 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18510 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18512 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18514 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18515 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18516 of the ending condition.
18517 * tree-ssa-loop-manip.c: Include params.h.
18518 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18519 tree_unroll_loop): New functions.
18520 * tree-pass.h (pass_loop_prefetch): Declare.
18521 * loop.c (rest_of_handle_loop_optimize): Test for
18522 -fprefetch-loop-arrays-rtl.
18523 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18524 * timevar.def (TV_TREE_PREFETCH): New timevar.
18525 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18526 pass_loop_prefetch): New.
18527 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18528 (cleanup_tree_cfg_loop): Call scev_reset.
18529 * common.opt (fprefetch-loop-arrays-rtl): Add.
18530 * tree-ssa-loop-prefetch.c: New file.
18531 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18532 (new_temp_expr_table): Initialize expr_vars.
18533 (free_temp_expr_table): Cleanup expr_vars.
18534 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18535 expressions from being merged into one.
18536 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18537 (struct tree_niter_desc): Add control, bound and cmp fields.
18538 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18540 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18541 (tree-cfgcleanup.o): Add SCEV_H dependency.
18542 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18543 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18545 2006-02-14 Richard Guenther <rguenther@suse.de>
18547 PR tree-optimization/26258
18548 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18549 in PHI argument processing.
18551 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18553 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18554 new expression in the requested machine mode.
18556 2006-02-13 Roger Sayle <roger@eyesopen.com>
18558 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18559 directly, instead let do_compare_rtx_and_jump handle this for us.
18560 * expr.c (expand_expr_real_1): Likewise.
18561 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18562 before do_jump_by_parts_greater.
18563 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18564 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18566 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18568 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18570 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18572 PR rtl-optimization/26235
18573 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18574 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18577 2006-02-13 Jeff Law <law@redhat.com>
18579 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18582 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18584 PR middle-end/26092
18585 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18586 twice if decl is a builtin. When trying again, call get_callee_fndecl
18587 first to verify it is still a builtin.
18589 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18591 * dwarf2out.c (base_type_die): Don't add AT_name here.
18592 (subrange_type_die): Don't add AT_name here.
18593 (modified_type_die): Rearrange code flow. Do add AT_name here.
18595 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18597 PR rtl-optimization/26247
18598 PR rtl-optimization/26248
18599 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18601 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18603 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18604 * config/fixtfdi.c: Likewise.
18605 * config/fixunstfdi.c: Likewise.
18606 * config/floatditf.c: Likewise.
18608 2006-02-13 Roger Sayle <roger@eyesopen.com>
18610 PR middle-end/24427
18611 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18612 into (X,C2) if C1 is a subset of the bits of C2. Transform
18613 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18615 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18617 2006-02-13 Josh Conner <jconner@apple.com>
18620 * varasm.c (function_section): Check for section name before
18621 calling select_section on targets that define
18622 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18623 unlikely_text_section instead of hot_function_section if
18624 first_function_block_is_cold.
18626 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18628 PR middle-end/25335
18629 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18631 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18633 PR rtl-optimization/26222
18634 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18635 after tree->rtl expansion.
18636 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18637 before passing it to emit_move_insn.
18639 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18641 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18643 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18644 Clarify documentation.
18645 * c-common.h (warn_write_strings): Remove.
18646 * c-common.c (warn_write_strings): Likewise.
18647 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18650 2006-02-12 Roger Sayle <roger@eyesopen.com>
18652 PR middle-end/25724
18653 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18654 (do_jump_parts_zero_rtx): New function renamed from
18655 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18656 (do_jump_parts_equality_rtx): New function split out from
18657 do_jump_parts_equality. Old implementation renamed as above.
18658 Call do_jump_parts_zero_rtx if either operand is zero.
18659 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18660 do all of the heavy lifting.
18661 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18662 calling either do_jump_by_parts_greater_rtx or
18663 do_jump_by_parts_equality_rtx.
18664 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18665 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18666 moved to do_compare_rtx_and_jump, call it directly.
18667 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18668 mode argument. Call do_compare_rtx_and_jump.
18669 (emit_case_nodes): Update calls to do_jump_if_equal.
18671 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18673 PR rtl-optimization/26225
18674 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18676 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18678 PR rtl-optimization/26232
18679 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18681 2006-02-11 Jason Merrill <jason@redhat.com>
18684 * tree-inline.c (declare_return_variable): Just don't use the
18685 modify target if it's a gimple complex reg and the return slot
18688 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18690 * doc/contrib.texi: Update my entry.
18692 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18694 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18696 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18698 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18701 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18703 * doc/invoke.texi (-floop-optimize2): Removed.
18704 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18705 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18706 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18707 * common.opt (floop-optimize2): Removed.
18708 (fmove-loop-invariants): Enabled by default.
18710 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18712 * tree-if-conv.c (combine_blocks): Free the result of
18713 get_loop_exit_edges.
18715 2006-02-10 Jeff Law <law@redhat.com>
18717 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18719 PR tree-optimization/26213
18720 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18721 loop trying to follow SSA_NAME_VALUE chains.
18723 2006-02-10 Richard Guenther <rguenther@suse.de>
18725 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18726 deal with structures that end in implicitly variable sized arrays.
18728 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18730 PR rtl-optimization/24762
18731 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18734 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18736 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18737 (struct ivopts_data): Add regs_used field.
18738 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18739 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18740 instead of loop_data->regs_used;
18741 (free_loop_data): Do not free aux fields for loops.
18742 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18743 and tree_ssa_iv_optimize_finalize.
18745 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18747 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18749 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18752 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18753 computing the effective result type.
18755 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18757 PR inline-asm/16194
18758 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18759 (tree_overlaps_hard_reg_set): Declare.
18760 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18761 type and signature to match function type expected by walk_tree.
18762 (tree_overlaps_hard_reg_set): New function.
18763 (decl_conflicts_with_clobbers_p): Rename to:
18764 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18765 Use tree_overlaps_hard_reg_set. Changed caller.
18766 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18767 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18768 * cris.c (cris_md_asm_clobbers): Likewise.
18770 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18772 * reload1.c (emit_input_reload_insns): Delete code that tries to
18773 inherit using find_equiv_reg.
18775 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18777 * c-common.h (flag_const_strings): Don't declare.
18778 * c-common.c (flag_const_strings): Remove.
18779 * c.opt (fconst_strings): Remove.
18780 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18781 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18782 (c_common_init_options): Don't set flag_const_strings.
18783 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18785 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18787 * arm.md (tlobits_cbranch): New pattern.
18788 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18789 testing a single bit.
18791 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18794 * tree-ssa-pre.c (create_component_ref_by_pieces):
18795 Handle RETURN_DECL like VAR_DECL.
18797 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18799 PR middle-end/26134
18800 * fold-const.c (fold_indirect_ref_1): Fold
18801 "*(foo *)&complexfoo" to "__real__ complexfoo"
18802 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18804 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18806 * tree-flow-inline.h (var_can_have_subvars):
18807 Volatile variables should not have subvariables.
18809 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18812 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18813 multiplying unsigned values.
18816 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18818 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18820 2006-02-08 Jason Merrill <jason@redhat.com>
18823 * tree.def: Elaborate on difference from MODIFY_EXPR.
18824 * doc/c-tree.texi (INIT_EXPR): Likewise.
18825 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
18826 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
18827 (gimplify_target_expr): Likewise.
18828 (gimplify_cond_expr): Remove target handling.
18829 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
18830 (gimplify_expr): Clobber it here.
18831 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
18832 Do return slot optimization if we have an INIT_EXPR.
18835 * tree-inline.c (declare_return_variable): Also clear
18836 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
18839 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
18841 PR middle-end/22439
18842 * gimplify.c (gimplify_one_sizepos): Fix typo.
18844 2006-02-08 Jeff Law <law@redhat.com>
18846 PR tree-optimization/21417
18847 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
18848 across a backedge if the control statement at the end of the
18849 block is data dependent on other statements in the same block.
18850 (record_temporary_equivalences_from_stmts): Remove over-conservative
18851 test for threading across backedges.
18853 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
18854 control statement, handle all three special cases in the same
18855 manner as they all have the same desired solution. No longer
18856 special case edge flag updating when the post dominator is
18859 2006-02-08 Roger Sayle <roger@eyesopen.com>
18861 * tree.def (CHAR_TYPE): Remove.
18862 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
18863 * dwarf2out.c (base_type_die, is_base_type): Likewise.
18864 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
18865 (gen_string_type_die): Delete unreachable function.
18867 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
18868 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
18869 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
18870 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
18871 * builtins.c (type_to_class): Likewise.
18872 * fold-const.c (fold_convert, build_range_check,
18873 merge_ranges): Likewise.
18874 * expr.c (count_type_elements): Likewise.
18875 * c-pretty-print.c (pp_c_type_specifier): Likewise.
18876 * stor-layout.c (layout_type): Likewise.
18877 * ipa-type-escape.c (type_to_consider): Likewise.
18878 * gimplify.c (omp_firstprivatize_type_sizes,
18879 gimplify_type_sizes): Likewise.
18880 * explow.c (promote_mode): Likewise.
18881 * tree-sra.c (is_sra_scalar_type): Likewise.
18882 * varasm.c (output_constant): Likewise.
18883 * tree-inline.c (remap_type_1): Likewise.
18884 * convert.c (convert_to_pointer, convert_to_real,
18885 convert_to_integer, convert_to_complex): Likewise.
18887 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
18889 * df-scan.c (df_def_record_1): A set destination may
18890 be a parallel regardless of mode.
18892 2006-02-08 Roger Sayle <roger@eyesopen.com>
18895 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
18896 * config/mips/_tilib.c: Remove.
18897 * config/fixtfdi.c: New libgcc source file.
18898 * config/fixunstfdi.c: New source file.
18899 * config/floatditf.c: New source file.
18900 * config/floatunditf.c: New souce file.
18901 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
18902 files above instead of config/mips/_tilib.c.
18903 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
18905 2006-02-08 Jeff Law <law@redhat.com>
18907 PR tree-optimization/26169
18908 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
18911 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
18913 * df.h (DF_REG_SIZE): Return the length of the initialized
18916 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
18918 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
18919 __muldf3): Return a correctly signed zero.
18921 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
18923 * passes.c (register_one_dump_file): Accept the current properties
18924 instead of pass number. Adjust call to dump_register. Remove
18926 (register_dump_files): Now a wrapper around...
18927 (register_dump_files_1): ... this one. Do not modify the pass
18929 (next_pass_1): Cosmetic fix.
18930 (execute_todo): Keep second parameter only. Use curr_properties
18931 instead of fetching it from the pass structure. Check and set
18933 (execute_one_pass): Handle TODO_set_props. Use curr_properties
18934 instead of fetching it from the pass structure. Fix calls to
18935 execute_todo. Update curr_properties and initialize .vcg RTL dump
18936 after running the pass. Reset last_verified.
18937 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
18939 (FIRST_AUTO_NUMBERED_DUMP): New.
18940 (dump_register): Remove "num" parameter, assign it within the
18942 (get_dump_file_name): Modify template for dumps.
18943 * tree-dump.h (dump_register): Adjust prototype.
18944 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
18945 (PROP_trees): Add PROP_gimple_lomp.
18946 (TODO_set_props): New.
18947 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
18948 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
18949 * cfgexpand.c (pass_expand): Destroy PROP_trees.
18951 2006-02-08 Jakub Jelinek <jakub@redhat.com>
18953 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
18954 (sparc64-*-linux*): Likewise.
18955 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
18956 * config/sparc/t-linux: New file.
18957 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
18958 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
18959 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
18960 -m32 -mlong-double-128.
18962 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
18963 * config/alpha/t-linux: New file.
18964 * config/alpha/libgcc-alpha-ldbl.ver: New file.
18966 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
18967 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
18968 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
18969 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
18970 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
18971 (CPP_ARCH32_SPEC): Remove.
18973 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
18975 PR tree-optimization/26145
18976 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
18979 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18982 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
18983 >= 240000 when generating code for SOM runtime.
18984 (output_indirect_call): Don't use "b,l" instruction for indirect calls
18985 to $$dyncall when generating code for SOM runtime..
18987 2006-02-07 Dirk Mueller <dmueller@suse.com>
18990 * doc/invoke.texi (-Wsequence-point): Update documentation
18991 that -Wsequence-point is implemented for C++ as well.
18993 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
18995 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
18996 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
18997 (LIB_SPEC): Likewise.
18998 * doc/invoke.texi (SPARC options): Document -pthread.
19000 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19002 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19005 2006-02-07 Roger Sayle <roger@eyesopen.com>
19007 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19008 Correct comment describing BOOLEAN_TYPE.
19010 2006-02-07 Dirk Mueller <dmueller@suse.com>
19012 * c.opt: C++ frontend supports -Wdiv-by-zero.
19013 * c-opts.c (c_common_handle_option): Remove dead case.
19015 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19017 * configure.ac (TLS assembler check): Do not enable TLS by
19018 default on SPARC/Solaris before version 10.
19019 * configure: Regenerate.
19021 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19023 * doc/invoke.texi (xl-compat): Document conversion and support
19026 2006-02-07 Jeff Law <law@redhat.com>
19028 * tree-vrp.c (find_conditional_asserts): Update comments.
19029 (simplify_stmt_for_jump_threading): New.
19030 (identify_jump_threads, finalize_jump_threads): New.
19031 (vrp_finalize): Call identify_jump_threads.
19032 (execute_vrp): Call finalize_jump_threads.
19033 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19034 (vrp_element, vrp_data, vrp_element_p): Remove.
19035 (vrp_hash_elt, vrp_variables_stack): Remove.
19036 (vrp_hash, vrp_eq, record_range): Remove.
19037 (simplify_cond_and_lookup_avail_expr): Remove.
19038 (extract_range_from_cond): Remove.
19039 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19040 (simplify_stmt_for_jump_threading): New.
19041 (dom_thread_across_edge): New wrapper.
19042 (tree_ssa_dominator_optimize): No longer initialize or
19043 finalize any of the VRP datastructures. Remove iteration
19044 step and simplify as a result of removal of iteration step.
19045 (pass_dominator): Perform a cfg cleanup after DOM.
19046 (dom_opt_finalize_block): Use the new common routines
19047 for threading jumps. Simplify stack management slightly.
19048 No longer need to unwind VRP state.
19049 (record_equivalences_from_incoming_edge): No longer record
19051 (eliminate_redundant_computations): No longer call
19052 simplify_cond_and_lookup_avail_expr.
19053 * tree-flow.h (potentially_threadable_block): Prototype.
19054 (thread_across_edge): Likewise.
19055 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19056 (tree-ssa-threadedge.o): Add dependencies.
19057 * tree-ssa-threadedge.c: New file.
19058 * passes.c (init_optimization_passes): Merge PHIs before
19059 calling VRP. Run VRP again late in the SSA optimization pipeline.
19061 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19063 * df-core.c (df_set_blocks): Do not dereference function pointers.
19064 (df_finish1): Likewise.
19065 (df_hybrid_search_forward): Likewise.
19066 (df_hybrid_search_backward): Likewise.
19067 (df_iterative_dataflow): Likewise.
19068 (df_analyze_problem): Likewise.
19069 (df_compact_blocks): Likewise.
19070 (df_dump): Likewise.
19071 * df-scan.c (df_rescan_blocks): Likewise.
19072 (df_record_entry_block_defs): Likewise.
19074 * genconditions.c (write_conditions): Guard the definition of
19075 'insn_conditions' with the check on GCC version.
19076 (write_writer): Guard the traversal 'insn_conditions' with
19077 the check on GCC version.
19079 2006-02-07 Richard Guenther <rguenther@suse.de>
19083 2006-01-30 Richard Guenther <rguenther@suse.de>
19085 * gimplify.c (gimplify_target_expr): Handle easy cases
19086 without creating a temporary.
19088 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19090 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19091 use of float in probability computations. Use edge probabilities
19092 in place of statically computed probabilities.
19093 (min_spec_prob): New static variable.
19094 (schedule_insns): Initialize it.
19095 (GET_SRC_PROB): Removed.
19096 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19098 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19101 * config/ia64/unwind-ia64.c: Revert last change.
19102 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19103 (INCOMING_FRAME_SP_OFFSET): Define.
19105 2006-02-06 Roger Sayle <roger@eyesopen.com>
19107 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19109 2006-02-07 Ben Elliston <bje@au.ibm.com>
19111 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19112 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19113 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19114 (ix86_return_in_memory): Handle TDmode.
19115 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19116 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19118 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19120 * reorg.c (dbr_schedule): Use dump_file instead of file.
19122 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19125 * config/ia64/predicates.md (extr_len_operand): New predicate.
19126 * config/ia64/ia64.md (extv): Tighten constraints.
19128 (*tbit_and_2): Ditto.
19129 (*tbit_and_3): Ditto.
19130 (*tbit_or_2): Ditto.
19131 (*tbit_or_3): Ditto.
19132 (*bit_zero): Ditto.
19135 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19138 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19140 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19142 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19143 loop_optimizer_init and loop_optimizer_finalize
19144 * tree-ssa-sink.c (execute_sink_code): Ditto.
19145 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19146 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19147 tree_ssa_loop_done): Ditto.
19148 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19149 * sched-ebb.c: Include output.h.
19150 (schedule_ebbs): Do not use dump argument.
19151 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19152 * loop.c (loop_dump_stream): Removed.
19153 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19155 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19156 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19157 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19158 loop_iterations, strength_reduce, record_biv, record_giv,
19159 final_giv_value, check_final_value, check_ext_dependent_givs,
19160 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19161 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19162 dump_file instead of loop_dump_stream.
19163 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19164 argument dump_file.
19165 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19167 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19168 * haifa-sched.c: Include output.h
19169 (schedule_insns, sched_init): Do not use dump argument.
19170 * mode-switching.c (optimize_mode_switching): Ditto.
19171 * modulo-sched.c (stats_file): Removed.
19172 (print_node_sched_params): Do not call argument dump_file.
19173 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19174 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19176 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19178 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19179 rtl_loop_init, rtl_loop_done): Ditto.
19180 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19181 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19183 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19184 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19185 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19186 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19187 * emit-rtl.c (renumber_insns): Ditto.
19188 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19189 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19190 * regclass.c (regclass): Ditto.
19191 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19192 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19193 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19194 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19196 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19197 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19199 * gcse.c (gcse_file, debug_stderr): Removed.
19200 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19201 rest_of_handle_gcse): Do not use dump argument.
19202 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19203 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19204 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19205 compute_code_hoist_vbeinout, compute_code_hoist_data,
19206 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19207 compute_store_table, build_store_vectors, insert_insn_start_bb,
19208 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19209 store_motion): Use dump_file instead of gcse_file.
19210 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19211 * profile.c (profile_dump_file): Removed.
19212 (branch_prob): Use dump_file instead of profile_dump_file.
19213 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19215 * tree-ssa-copy.c (dump_copy_of): Ditto.
19216 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19217 dump file to life_analysis.
19218 * bt-load.c (branch_target_load_optimize): Ditto.
19219 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19221 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19222 regclass, dbr_schedule): Declaration changed.
19223 * sched-int.h (sched_init): Declaration changed.
19224 * tree-profile.c (tree_profile_dump_file): Removed.
19225 (tree_profile_hooks): Removed profile_dump_file hook.
19226 * rtl-profile (rtl_profile_dump_file): Removed.
19227 (rtl_profile_hooks): emoved profile_dump_file hook.
19228 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19230 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19231 * tree-cfg.c (build_tree_cfg): Ditto.
19232 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19233 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19234 Declaration changed.
19235 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19236 life_analysis and schedule_insns.
19237 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19239 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19241 * config/mips/mips.c (mips_reorg): Ditto.
19242 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19245 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19247 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19248 (s390_mangle_fundamental_type): New.
19249 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19252 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19253 (alpha_mangle_fundamental_type): New.
19254 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19257 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19259 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19261 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19262 (sparc_mangle_fundamental_type): New.
19264 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19266 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19267 (s390x-*-linux*): Likewise.
19268 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19269 * config/s390/t-linux: New file.
19271 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19273 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19274 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19276 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19278 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19279 (ANTIC_SAFE_LOADS): New macro.
19280 (find_or_generate_expression): Add prototype.
19281 (set_contains_value): Allow null set for sake of not always having
19282 to allocate ANTIC_SAFE_LOADS.
19283 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19284 Allow COMPONENT_REF too.
19285 (valid_in_set): Allow COMPONENT_REF.
19286 Check ANTIC_SAFE_LOADS too.
19287 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19288 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19290 (can_PRE_operation): Add COMPONENT_REF.
19291 (create_component_ref_by_pieces): New function.
19292 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19293 (insert_aux): Move AGGREGATE_TYPE_P check here.
19294 (compute_avail): Set bb local stmt uids.
19295 (pass_pre): Use TODO_update_ssa_only_virtuals.
19297 2006-02-06 Ben Elliston <bje@au.ibm.com>
19299 * configure.ac: Unconditionally disable decimal float by default.
19300 * configure: Regenerate.
19302 2006-02-06 Ben Elliston <bje@au.ibm.com>
19304 * read-rtl.c (read_name): Terminate reading on EOF.
19306 2006-02-06 Ben Elliston <bje@au.ibm.com>
19308 * dfp.c (decimal_real_arithmetic): Change second argument type
19309 from int to enum tree_code. Do not always return true, but now
19310 return result of any call to decimal_do helper functions.
19311 * dfp.h (decimal_real_arithmetic): Update prototype.
19313 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19315 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19317 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19320 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19323 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19325 * tree-vrp.c (cfg_loops): Removed.
19326 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19327 Use current_loops instead of cfg_loops. Pass flags to
19328 loop_optimizer_init.
19329 * cfgloopmanip.c (fix_loop_structure): Update only available
19331 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19332 loop_optimizer_init.
19333 * modulo-sched.c (build_loops_structure): Removed.
19334 (sms_schedule): Use loop_optimizer_init.
19335 * loop-init.c (loop_optimizer_init): Use flags to determine
19336 which properties of loops to prepare.
19337 (rtl_loop_init): Pass flags to loop_optimizer_init.
19338 * tree-ssa-sink.c (execute_sink_code): Ditto.
19339 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19340 * tree-ssa-pre.c (init_pre): Ditto.
19341 * cfgloop.h (LOOPS_NORMAL): New.
19342 (loop_optimizer_init): Declaration changed.
19344 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19346 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19347 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19349 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19351 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19353 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19354 * pa/t-pa64: Delete quadlib.c rule.
19355 * pa/x-ada: Revert last change.
19356 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19358 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19360 PR rtl-optimization/26087
19361 * rtlanal.c (canonicalize_condition): Do not cross basic block
19364 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19367 * config/ia64/ia64.c: Include debug.h.
19368 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19369 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19370 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19371 (process_epilogue, process_set, process_for_unwind_directive):
19372 Output unwind info only if requested. Add CFA info if requested.
19373 Add new arguments as needed. Adjust callers.
19374 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19376 (DWARF2_FRAME_INFO): Define to zero.
19377 * config/ia64/unwind-ia64.c: Remove code that compensated for
19378 the CFA offset error fixed above.
19379 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19380 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19381 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19382 -funwind-tables and -fexceptions to enable frame info.
19383 (dwarf2out_frame_init): Define initial CFA even if
19384 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19385 DWARF2_UNWIND_INFO is nonzero, not just defined.
19386 (dwarf2out_frame_finish): Output non-EH call frame info only
19387 if DWARF2_FRAME_INFO is nonzero.
19388 (convert_cfa_to_loc_list,
19389 compute_frame_pointer_to_cfa_displacement): Define even if
19390 unwind info is not supported.
19391 (gen_subprogram_die): Use the above unconditionally. Remove
19392 legacy alternate code.
19393 * toplev.c (compile_file): Compile in call to
19394 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19395 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19397 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19398 Jakub Jelinek <jakub@redhat.com>
19400 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19401 IBM extended float format long double as "g" on powerpc*-linux.
19403 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19406 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19407 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19409 2006-02-03 Jason Merrill <jason@redhat.com>
19412 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19414 PR middle-end/25977
19415 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19416 on the return slot if it's an NRV.
19418 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19420 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19421 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19422 rewrite_use): Do not handle USE_OUTER.
19423 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19424 add_iv_outer_candidates, may_replace_final_value,
19425 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19426 (find_interesting_uses_op): Functionality of
19427 find_interesting_uses_outer_or_nonlin moved here.
19428 (find_interesting_uses_outside): Use find_interesting_uses_op.
19430 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19433 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19435 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19436 Ulrich Weigand <uweigand@de.ibm.com>
19439 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19440 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19441 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19442 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19444 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19445 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19446 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19447 Define secondary reloads for TFmode moves.
19448 (constant_modes): Add TFmode.
19449 (NR_C_MODES): Set to 8.
19450 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19452 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19453 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19454 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19455 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19456 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19457 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19458 (FPR mode macro): Add TFmode.
19459 (DSF mode macro): New.
19460 (<de>, <dee> mode attributes): Removed.
19461 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19462 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19463 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19464 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19465 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19466 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19467 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19468 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19469 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19470 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19471 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19472 "*negabs<mode>2", "sqrt<mode>2"):
19473 Changed <de> to <xde>. R constraint replaced by <Rf>.
19474 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19476 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19477 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19478 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19480 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19481 "extenddftf2", "extendsftf2"): New expanders.
19482 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19483 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19484 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19485 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19487 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19488 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19489 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19490 __floatditf): Add a GCC_4.1.0 symbol version tag.
19491 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19494 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19497 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19498 Use targetm.binds_local_p instead of TREE_PUBLIC.
19500 2006-02-02 Roger Sayle <roger@eyesopen.com>
19502 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19503 on INTEGER_TYPEs to indicate that it denotes a character type.
19504 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19505 signed_char_type_node, unsigned_char_type_node and char_type_node.
19506 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19507 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19508 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19510 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19511 Daniel Berlin <dberlin@dberlin.org>
19513 * tree-tailcall.c (arg_needs_copy_p): New function.
19514 (eliminate_tail_call): Use arg_needs_copy_p.
19515 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19516 (add_virtual_phis): New function.
19518 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19520 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19521 #ignore instead of #scratch for %g7 .register directive.
19523 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19525 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19528 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19530 * flow.c (calculate_global_regs_live): Assert that there aren't any
19533 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19535 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19536 what its name says.
19537 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19538 bsi_after_labels iterator.
19539 * tree-if-conv.c (find_phi_replacement_condition,
19540 replace_phi_with_cond_modify_expr): Likewise.
19541 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19542 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19544 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19546 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19548 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19551 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19552 array after growing it.
19554 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19556 PR middle-end/24901
19557 * fold-const.c (fold_checksum_tree): Change type of buf.
19559 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19561 * reload.c (push_secondary_reload): Initialize t_icode.
19563 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19565 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19566 -msoft-float -mlong-double-128 only issue a warning, but don't
19567 swich to DFmode long double.
19569 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19571 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19572 has a constant equivalent, iterate over equivalents for arg0,
19573 calling simplify_relational_operation and if there's a result
19574 cheaper than X, apply fold_rtx and return the result.
19576 2006-02-01 Jan Hubicka <jh@suse.cz>
19578 * opts.c (no_unit_at_a_time_default): New global variable.
19579 (decode_options): Use it.
19580 * opts.h (no_unit_at_a_time_default): Declare.
19582 2006-02-01 Paul Brook <paul@codesourcery.com>
19584 * function.c (assign_parm_setup_reg): Use function argument promotion
19586 * expr.c (expand_expr_real_1): Use function argument promotion rules
19589 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19591 * gcc.c (process_command): Change j to 'unsigned int'.
19593 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19595 PR middle-end/26001
19596 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19597 Use the corrected index for the character
19598 out of the string constant.
19600 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19602 * mode-switching.c (optimize_mode_switching): Fix size
19603 allocated for bb_info[n_entities].
19605 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19607 * gcc.c (main): Correct type that is allocated for
19608 explicit_link_files.
19610 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19612 * config/s390/s390.c (init_alignment_context): Set
19613 ALIAS_SET_MEMORY_BARRIER on the MEM.
19614 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19616 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19618 PR middle-end/25933
19619 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19621 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19624 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19626 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19627 * regrename.c: Ditto.
19628 * tree-ssa-loop-im.c: Ditto.
19629 * tree-dump.c: Ditto.
19630 * tree-complex.c: Ditto.
19631 * genrecog.c: Ditto.
19632 * tree-ssa-threadupdate.c: Ditto.
19634 * java/class.c: Ditto.
19635 * java/jcf-parse.c: Ditto.
19636 * java/resource.c: Ditto.
19637 * java/except.c: Ditto.
19638 * java/jvspec.c: Ditto.
19639 * java/jcf-write.c: Ditto.
19640 * java/jcf-path.c: Ditto.
19641 * java/gjavah.c: Ditto.
19642 * java/zextract.c: Ditto.
19643 * java/jcf-io.c: Ditto.
19644 * java/jcf.h: Ditto.
19645 * java/buffer.c: Ditto.
19646 * java/lang.c: Ditto.
19647 * java/parse-scan.y: Ditto.
19648 * java/lex.c: Ditto.
19649 * java/lex.h: Ditto.
19650 * cfgloopmanip.c: Ditto.
19651 * postreload-gcse.c: Ditto.
19652 * tree-ssa-loop-manip.c: Ditto.
19653 * postreload.c: Ditto.
19654 * tree-ssa-loop-ch.c: Ditto.
19657 * cppspec.c: Ditto.
19658 * diagnostic.c: Ditto.
19660 * genoutput.c: Ditto.
19662 * cfghooks.c: Ditto.
19663 * cfgloopanal.c: Ditto.
19664 * objc/objc-act.c: Ditto.
19666 * genextract.c: Ditto.
19667 * genautomata.c: Ditto.
19668 * pretty-print.c: Ditto.
19669 * genemit.c: Ditto.
19670 * cgraphunit.c: Ditto.
19672 * df-scan.c: Ditto.
19673 * haifa-sched.c: Ditto.
19674 * dominance.c: Ditto.
19676 * tree-ssa-loop-ivopts.c: Ditto.
19677 * df-core.c: Ditto.
19678 * mode-switching.c: Ditto.
19679 * modulo-sched.c: Ditto.
19681 * ipa-pure-const.c: Ditto.
19683 * fix-header.c: Ditto.
19685 * tree-stdarg.c: Ditto.
19686 * ipa-utils.c: Ditto.
19687 * loop-init.c: Ditto.
19688 * ipa-inline.c: Ditto.
19689 * cfganal.c: Ditto.
19691 * alloc-pool.c: Ditto.
19692 * dwarf2out.c: Ditto.
19694 * genattrtab.c: Ditto.
19695 * tree-ssa-loop-ivcanon.c: Ditto.
19696 * predict.c: Ditto.
19697 * timevar.c: Ditto.
19699 * fortran/gfortranspec.c: Ditto.
19700 * regmove.c: Ditto.
19701 * local-alloc.c: Ditto.
19702 * langhooks.c: Ditto.
19703 * function.c: Ditto.
19704 * tree-vectorizer.c: Ditto.
19706 * ipa-type-escape.c: Ditto.
19708 * tree-if-conv.c: Ditto.
19709 * profile.c: Ditto.
19711 * tree-data-ref.c: Ditto.
19712 * loop-unroll.c: Ditto.
19713 * treelang/treetree.c: Ditto.
19715 * bt-load.c: Ditto.
19716 * ggc-common.c: Ditto.
19718 * coverage.c: Ditto.
19720 * tree-cfgcleanup.c: Ditto.
19721 * tree-ssa-pre.c: Ditto.
19722 * cfgcleanup.c: Ditto.
19723 * loop-invariant.c: Ditto.
19724 * loop-iv.c: Ditto.
19725 * ipa-prop.c: Ditto.
19726 * print-tree.c: Ditto.
19727 * conflict.c: Ditto.
19728 * ggc-page.c: Ditto.
19729 * sched-deps.c: Ditto.
19730 * regclass.c: Ditto.
19731 * tree-object-size.c: Ditto.
19732 * combine.c: Ditto.
19733 * bb-reorder.c: Ditto.
19734 * resource.c: Ditto.
19735 * var-tracking.c: Ditto.
19736 * cfgloop.c: Ditto.
19737 * df-problems.c: Ditto.
19738 * reg-stack.c: Ditto.
19740 * gccspec.c: Ditto.
19741 * sched-rgn.c: Ditto.
19742 * tree-ssa-structalias.c: Ditto.
19743 * tree-ssa-reassoc.c: Ditto.
19744 * config/darwin-c.c: Ditto.
19745 * config/darwin.c: Ditto.
19746 * config/arm/arm.c: Ditto.
19748 * collect2.c: Ditto.
19749 * reload1.c: Ditto.
19751 2006-01-31 Nicolas Pitre <nico@cam.org>
19753 * arm.md (smaxsi3): Make aware of smax_m1.
19756 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19758 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19760 2006-01-31 Richard Guenther <rguenther@suse.de>
19762 * doc/invoke.texi (-msselibm): Document.
19763 * target.h (expand_library_builtin): New target hook.
19764 * builtins.c (expand_builtin): Use expand_library_builtin.
19765 (default_expand_library_builtin): New function.
19766 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19767 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19768 (link_gcc_math_spec): Declare.
19769 (static_specs): Add link_gcc_math_spec.
19770 * expr.h (default_expand_library_builtin): Declare.
19771 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19772 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19773 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19774 * config/i386/i386.opt (msselibm): New target option.
19775 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19776 (ix86_init_sse_abi_builtins): New function.
19777 (ix86_expand_library_builtin): Likewise.
19778 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19779 (override_options): Handle error conditions wrt -msselibm.
19780 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19781 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19782 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19785 2006-01-31 Richard Guenther <rguenther@suse.de>
19786 Paolo Bonzini <bonzini@gnu.org>
19788 * doc/install.texi (--disable-libgcc-math): Document.
19790 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19792 * expr.h (expand_normal): new inline function.
19793 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19794 * dojump.c: use it.
19795 * dwarf2out.c: use it.
19798 * expmed.c: use it.
19799 * except.c: use it.
19800 * config/sparc/sparc.c: use it.
19801 * config/i386/i386.c: use it.
19802 * config/rs6000/rs6000.c: use it.
19803 * config/arm/arm.c: use it.
19804 * config/mips/mips.c: use it.
19805 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19807 2006-01-30 Roger Sayle <roger@eyesopen.com>
19809 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19810 argv to the appropriate type.
19812 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19814 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19817 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19820 * config/s390/s390.c (struct machine_function): New flag
19821 decomposed_literal_pool_addresses_ok_p.
19822 (s390_reorg): Set it before final stage of literal pool transforms.
19823 (s390_decompose_address): Only accept displacements of the form
19824 (minus (label_ref ...) (label_ref ...)) if that flag is set.
19826 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
19828 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
19829 the comparison routine return.
19831 2006-01-30 Michael Matz <matz@suse.de>
19833 * global.c (find_reg): Only evict for global regs.
19834 Take n_refs into account and dump more info.
19836 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
19839 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
19840 (pragma_trap, pragma_nosave_low_regs): Likewise.
19841 (current_function_anonymous_args): Likewise.
19842 (sh_deferred_function_attributes): New variable.
19843 (sh_deferred_function_attributes_tail): Likewise.
19844 (print_operand): For '@', look up trap_exit attribute.
19845 (calc_live_regs): Look up trapa_handler attribute. For trapa
19846 handlers, save/restore fpscr, but don't do any other
19847 interrupt-specific saves.
19848 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
19849 Fix check for partially saved registers to check for SHmedia.
19850 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
19851 (sh_output_function_epilogue): Don't clear any of the removed
19853 (sh_insert_attributes): Don't check pragma_interrupt.
19854 Insert deferred attributes. Check that interrupt attribute is
19855 present for other attributes that require its presence.
19856 (sh_attribute_table): Add new attributes trapa_handler and
19858 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
19859 Don't check for pragma_interrupt. Don't store argument.
19860 * sh.h (pragma_interrupt, sp_switch): Don't declare.
19861 (sh_deferred_function_attributes): Declare.
19862 (sh_deferred_function_attributes_tail): Likewise.
19863 * sh.md (sp_switch_1): Add operand. Change generator caller.
19864 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
19865 (*return_i): Don't use when trap_exit attribute is in effect.
19866 (*return_trapa): New insn pattern.
19867 * sh-c.c: New file.
19868 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
19869 setting c_target_objs and cxx_target_objs.
19870 * t-sh: Add rule for sh-c.o.
19872 2006-01-30 Richard Guenther <rguenther@suse.de>
19875 * gimplify.c (gimplify_target_expr): Handle easy cases
19876 without creating a temporary.
19878 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
19880 * vec.h (safe_grow): Remove duplicated line.
19882 2006-01-29 Diego Novillo <dnovillo@redhat.com>
19885 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
19886 (expand_omp): ... here.
19887 (expand_omp_parallel): Only remove barriers for combined
19888 parallel+workshare constructs.
19890 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
19894 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
19895 * tree.c (build_qualified_type): Chain the new type to the original
19896 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
19897 a POINTER_TYPE or a REFERENCE_TYPE respectively.
19898 (build_pointer_type_for_mode): Only return unqualified types.
19899 (build_reference_type_for_mode): Likewise.
19901 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
19903 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
19904 * Makefile.in (CXX_COMPAT_WARN): Define.
19905 * configure: Regenerate.
19907 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
19910 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
19913 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19915 * toplev.c: Fix thinko.
19917 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
19918 Marcin Dalecki <martin@dalecki.de>
19920 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
19921 (push_srcloc): Use XNEW.
19922 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
19924 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
19926 * df-core.c (df_set_blocks): Deleted all variable.
19928 2006-01-28 Ian Lance Taylor <ian@airs.com>
19930 * cgraphunit.c (cgraph_assemble_pending_functions): Call
19931 cgraph_output_pending_asms.
19933 2006-01-28 Zack Weinberg <zackw@panix.com>
19935 * c.opt: Add -W(no-)overlength-strings.
19936 * doc/invoke.texi: Document it.
19937 * c-opts.c (c_common_handle_option): -pedantic implies
19938 -Woverlength-strings, if not explicitly disabled already.
19939 (c_common_post_options): -Woverlength-strings defaults to off, and
19940 is always off for C++.
19941 * c-common.c (fix_string_type): Issue warning about strings longer
19942 than is portable only if warn_overlength_strings. Rearrange code
19943 a little for clarity.
19944 * configure.in: Check for -Wno-overlength-strings as well before
19945 enabling -pedantic in stage 1.
19946 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
19947 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
19949 * genconditions.c (write_header, write_one_condition)
19950 (write_conditions, write_writer): Consolidate very long strings
19951 that were broken up to fit in C89 portable limit. Don't use
19952 printf when fputs will do.
19954 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
19956 * combine.c (simplify_comparison <AND>): Check
19957 TRULY_NOOP_TRUNCATION before start using a subreg.
19959 * config/mips/mips.md (*branch_zero<mode>,
19960 *branch_zero<mode>_inverted, *branch_equality<mode>,
19961 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
19962 Remove mode check from comparisons.
19964 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
19966 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
19968 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
19970 * expmed.c (const_mult_add_overflow_p): Remove.
19971 * expr.h: Remove the prototype for const_mult_add_overflow_p.
19973 * recog.c (validate_replace_rtx_subexp): Remove.
19974 * recog.h: Remove the prototype for
19975 validate_replace_rtx_subexp.
19977 * integrate.h: Remove the prototype for
19978 copy_decl_for_inlining.
19979 * rtl.h: Remove the prototype for mark_constant_function.
19980 * tree-vectorizer.h: Remove the prototype for
19981 vect_strip_conversion.
19983 * modulo-sched.c (create_partial_schedule,
19984 free_partial_schedule, reset_partial_schedule): Make them
19987 * hooks.c (hook_bool_rtx_int_false): Remove.
19988 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
19990 2006-01-28 David Edelsohn <edelsohn@gnu.org>
19992 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19993 and -mlong-double-128 are incompatible.
19994 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
19995 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
19996 (TARGET_LIBGCC2_CFLAGS): Define.
19997 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
19998 (TARGET_LIBGCC2_CFLAGS): Same.
19999 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20001 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20004 * c-typeck.c (build_binary_op): Perform implicit casts of
20005 operands before shortening them.
20007 * cfgloopmanip.c (split_loop_bb): Remove.
20008 * cfgloop.h: Remove the prototype for split_loop_bb.
20010 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20011 * cfgloop.h: Remove the prototype for
20012 flow_loop_outside_edge_p.
20014 * emit-rtl.c (init_virtual_regs): Make it static.
20015 * function.h: Remove the prototype for init_virtual_regs.
20017 * recog.c (peephole2_optimize): Make it static.
20018 * recog.h: Remove the prototype for peephole2_optimize.
20020 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20022 * df-scan.c (df_record_entry_block_defs): Check if
20023 INCOMING_RETURN_ADDR_RTX is defined.
20025 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20026 Kenneth Zadeck <zadeck@naturalbridge.com>
20028 PR rtl-optimization/24762
20029 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20030 * targhooks.c (hook_void_bitmap): New hook prototype.
20031 * targhoohs.h (hook_void_bitmap): Ditto.
20032 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20033 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20034 * target.h (live_on_entry): New function pointer.
20035 * df-scan.c (df_all_hard_regs): Removed.
20036 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20037 (df_scan_free_internal): Added df->entry_block_defs.
20038 (df_scan_alloc): Ditto.
20039 (df_scan_dump): Ditto.
20040 (df_uses_record): Plumbed flag field properly thru calls.
20041 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20042 This part fixes PR24762.
20043 (df_bb_refs_record): Added code to make the frame and arg
20044 pointers live in EH blocks.
20045 (df_refs_record): Added call to df_record_entry_block_defs.
20046 (df_record_entry_block_defs): New function.
20047 * df-core.c: Added comments to describe new artifical defs.
20048 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20049 (entry_block_defs): New field in struct df.
20050 (df_all_hard_regs): Deleted.
20051 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20052 * df-problems.c (df_ru_bb_local_compute_process_def):
20053 Added code to handle artifical defs in the entry to a function.
20054 (df_ru_bb_local_compute): Ditto.
20055 (df_rd_bb_local_compute_process_def): Ditto.
20056 (df_rd_bb_local_compute): Ditto.
20057 (df_lr_bb_local_compute): Ditto.
20058 (df_ur_bb_local_compute): Ditto.
20059 (df_urec_bb_local_compute): Ditto.
20060 (df_chain_create_bb): Ditto.
20061 (df_ur_local_finalize): Removed entry.
20062 (df_urec_init): Ditto.
20063 (df_urec_local_finalize): Ditto.
20064 (df_ri_bb_compute): Added detection of last use of pseudos.
20065 * Makefile.in (df-scan.o): Updated dependencies.
20066 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20067 * config/mips/mips.c (mips_set_live_on_entry): Added.
20068 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20070 * dce.c (marked_insn_p): Added code to handle artifical defs.
20072 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20074 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20076 (_mm_cvtsi128_si64): Likewise.
20077 (_mm_cvtsd_si64): Likewise.
20078 (_mm_cvttsd_si64): Likewise.
20079 (_mm_cvtsi64_sd): Likewise.
20080 (_mm_cvtsi64_si128): Likewise.
20081 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20082 (_mm_cvtsi64_m64): Likewise.
20083 (_m_to_int64): Likewise.
20084 (_mm_cvtm64_si64): Likewise.
20085 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20086 (_mm_cvttss_si64): Likewise.
20087 (_mm_cvtsi64_ss): Likewise.
20088 (_mm_cvtss_f32): Likewise.
20090 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20092 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20093 for pragma redefine_extname.
20095 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20098 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20099 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20100 -mno-minimal-toc to previous content.
20101 (bispecs): Remove goal.
20102 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20103 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20104 compatibility aliases on powerpc-*-*gnu*.
20105 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20106 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20107 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20108 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20109 (ldblspecs): New goal.
20110 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20111 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20113 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20114 L_sf_to_tf or L_df_to_tf is defined.
20116 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20117 Alan Modra <amodra@bigpond.net.au>
20120 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20121 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20122 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20123 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20124 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20125 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20126 (rs6000_override_options): Initialize rs6000_ieeequad.
20127 Initialize TFmode format to ibm_extended_format if not
20129 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20131 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20132 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20133 (function_arg_advance): IBM long double passed in two FPRs, not
20135 (function_arg): IBM long double passed in FPRs.
20136 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20137 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20138 Only multireg GPR aligned.
20139 (rs6000_init_libfuncs): Enable IBM long double functions if not
20141 (rs6000_generate_compare): Use IBM long double compare if not
20143 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20144 (TARGET_IEEEQUAD): Define.
20145 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20146 not TARGET_IEEEQUAD.
20147 * config/rs6000/rs6000.md: Enable TFmode patterns if
20149 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20150 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20151 and -mlong-double-128 are incompatible.
20152 * doc/invoke.texi (-mabi): Collect options together. Add
20153 ibmlongdouble and ieeelongdouble.
20155 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20157 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20159 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20160 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20161 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20162 * rtl.h (rtunion_def): Remove rt_ptr.
20164 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20165 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20166 * config/i386/winnt.c (i386_pe_mark_dllexport)
20167 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20169 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20171 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20173 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20177 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20178 pthread_key_delete. From John David Anglin. gthrw-ify
20179 pthread_getunique_np only if it it's not a macro. Delete
20181 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20182 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20183 __gthread_objc_condition_signal, __gthread_key_delete): Add
20184 "__attribute__ ((__unused__))" to unused arguments.
20185 (__gthread_recursive_mutex_init_function): Add missing return.
20186 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20187 gthr-posix95.h: Use macro-based approach for name redirection
20188 on targets missing weakref.
20190 2006-01-26 Zack Weinberg <zackw@panix.com>
20192 * genconditions.c (write_header): In generated code, #ifdef out
20193 all includes and fake declarations, except includes of bconfig.h
20194 and system.h, unless GCC_VERSION >= 3001. Do not include
20195 gensupport.h in any case.
20196 (write_conditions): Generate a definition of struct c_test. Add
20197 a comment to the generated #endif.
20198 (write_one_condition): Escape backslashes in string too.
20199 (write_writer): Generated code must escape backslashes and quote
20200 marks (but not newlines) in the strings it writes.
20201 * Makefile.in (build/gencondmd.o): Update dependencies.
20203 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20206 * Makefile.in (insn-automata.o): Add header file dependencies.
20207 * genautomata.c: Add includes.
20209 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20212 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20214 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20216 * configure.ac: Expect target tools paths to be passed from the toplevel
20217 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20219 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20221 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20224 * c.opt (Wpointer-sign): Init to -1.
20225 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20226 OPT_pedantic, to 0 otherwise.
20227 * doc/invoke.texi: Update.
20229 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20231 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20232 constants provided by 80387 instructions in the destination mode.
20234 2006-01-26 Richard Guenther <rguenther@suse.de>
20235 Andrew Pinski <pinskia@physics.uc.edu>
20238 partial PR tree-opt/17064
20239 * tree-ssa-structalias.c (intra_create_variable_infos):
20240 Create heap variables for incoming parameters if
20241 flag_argument_noalias > 1.
20242 (find_what_p_points_to): Look through default defs of
20245 2006-01-26 Jeff Law <law@redhat.com>
20248 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20249 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20250 within the VR_RANGE, use the VR_RANGE as the result, not the
20252 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20253 bounds for the type.
20255 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20257 * tree-ssa-alias.c (maybe_create_global_var): Change
20258 subvar walking to an assertion that we don't have subvar'd variables.
20260 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20263 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20264 Use a new variable, inner. PARM_DECLs are always non-weak.
20266 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20268 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20269 --disable-checking.
20271 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20273 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20275 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20277 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20278 (smax_insn, smin_insn, smax_0, smin_0): New.
20280 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20283 * config/cris/cris.c (cris_order_for_addsi3): New function.
20284 * config/cris/cris-protos.h: Prototype it.
20285 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20286 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20287 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20288 (split for "op.S1 [rx=rx+i],ry (swapped)")
20289 (split for "op(s|u).S1 [rx=rx+i],ry")
20290 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20291 Apply cris_order_for_addsi3 when generating addsi3 insns.
20293 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20295 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20296 (TREE_BLOCK): Add call to EXPR_CHECK.
20298 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20301 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20302 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20303 (dump_omp_clauses): ... here.
20304 (dump_generic_node): Handle OMP_CLAUSE.
20305 * tree.c (omp_clause_num_ops): New.
20306 (omp_clause_code_name): New.
20307 (tree_code_size): Handle OMP_CLAUSE.
20308 (tree_size): Likewise.
20309 (make_node): Document handling of OMP_CLAUSE.
20310 (tree_node_structure): Handle OMP_CLAUSE.
20311 (omp_clause_check_failed): New.
20312 (omp_clause_range_check_failed): New.
20313 (omp_clause_operand_check_failed): New.
20314 (build_omp_clause): New.
20315 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20316 * tree.h (enum omp_clause_code): Declare.
20317 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20318 (OMP_CLAUSE_RANGE_CHECK): Define.
20319 (OMP_CLAUSE_ELT_CHECK): Define.
20320 (omp_clause_check_failed): Declare.
20321 (omp_clause_operand_check_failed): Declare.
20322 (omp_clause_range_check_failed): Declare.
20323 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20324 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20325 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20326 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20327 (OMP_CLAUSE_IF_EXPR): Likewise.
20328 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20329 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20330 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20331 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20332 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20333 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20334 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20335 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20336 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20337 (OMP_CLAUSE_CODE): Define.
20338 (OMP_CLAUSE_SET_CODE): Define.
20339 (OMP_CLAUSE_CODE): Define.
20340 (OMP_CLAUSE_OPERAND): Define.
20341 (struct tree_omp_clause): Declare.
20342 (union tree_node): Add field 'omp_clause'.
20343 * treestruct.def (TS_OMP_CLAUSE): Define.
20344 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20345 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20346 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20347 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20348 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20349 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20350 (OMP_CLAUSE): Define.
20351 * print-tree.c (print_node): Handle OMP_CLAUSE.
20352 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20353 * c-typeck.c: Likewise.
20354 * gimplify.c: Likewise.
20355 * c-omp.c: Likewise.
20356 * tree-nested.c: Likewise.
20357 * tree-inline.c: Likewise.
20358 * c-parser.c: Likewise.
20359 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20362 2006-01-25 Roger Sayle <roger@eyesopen.com>
20364 PR rtl-optimization/25703
20365 * combine.c (try_combine): Handle zero_extract and strict_low_part
20366 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20368 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20370 * global.c: Fix comment typos.
20372 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20375 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20376 Use output_addr_const instead of assemble_name.
20378 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20380 * Makefile.in (sched-vis.o): Update dependencies.
20381 * haifa-sched.c (sched_finish): Clear current_sched_info.
20382 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20383 (dump_flow_info): Call it.
20384 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20386 * basic-block.h (dump_bb_info): Declare.
20387 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20388 option, and apply options only for dump files whose TDF_RTL,
20389 TDF_TREE, or TDF_IPA bits match.
20390 * rtl.h: Declare new functions exported from sched-vis.c.
20391 * sched-vis.c: Enable also if scheduling is not used.
20392 (print_value): Print the mode of registers if not inside scheduling.
20393 (print_insn): Make it work outside the scheduler. Beautify the output
20395 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20397 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20399 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20400 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20401 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20402 depending on the value of CONSTANT_POOL_ADDRESS_P.
20403 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20405 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20406 rather than SYMBOL_REF_DECL.
20407 (rtx_constant_pool): Remove const_rtx_sym_htab.
20408 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20409 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20410 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20411 Remove handling of const_rtx_sym_htab.
20412 (find_pool_constant): Delete.
20413 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20414 rather than find_pool_constant.
20415 (get_pool_constant_for_function): Delete.
20416 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20417 find_pool_constant.
20418 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20419 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20420 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20421 (SYMBOL_REF_CONSTANT): New macro.
20422 (get_pool_constant_for_function): Delete.
20423 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20424 rather than SYMBOL_REF_DECL.
20425 (i386_pe_mark_dllimport): Likewise.
20426 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20427 rather than SYMBOL_REF_DECL.
20428 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20429 (machopic_indirect_call_target): Likewise.
20431 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20433 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20435 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20437 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20439 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20441 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20443 2006-01-24 David Daney <ddaney@avtrex.com>
20446 * configure.ac (enable_tls): New enable option.
20447 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20448 * configure: Regenerate.
20449 * doc/install.texi (--enable-tls): Document new option.
20450 (--disable-tls): Ditto.
20452 2006-01-24 Richard Henderson <rth@redehat.com>
20454 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20455 * alias.c (true_dependence): Respect it.
20456 (canon_true_dependence, write_dependence_p): Likewise.
20457 * builtins.c (get_builtin_sync_mem): Set it.
20459 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20461 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20464 2006-01-24 DJ Delorie <dj@redhat.com>
20466 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20467 for storing constants in single-bit bitfields.
20469 2006-01-25 Ben Elliston <bje@au.ibm.com>
20471 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20473 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20476 * tree-ssa-pre.c (phi_translate): Return NULL
20477 for AGGREGATE_TYPE's.
20479 2006-01-24 Zack Weinberg <zackw@panix.com>
20481 * genautomata.c (process_state_for_insn_equiv_partition):
20482 Use xcalloc for insn_arcs_array.
20483 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20484 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20486 2006-01-24 Richard Henderson <rth@redhat.com>
20488 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20489 update all callers.
20491 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20493 PR rtl-optimization/25890
20494 PR rtl-optimization/25905
20495 * combine.c (expand_compound_operation, expand_field_assignment):
20496 Fail if the bitfield's final position is out of bounds.
20498 2006-01-24 Ian Lance Taylor <ian@airs.com>
20500 PR middle-end/25930
20501 * cgraphunit.c (cgraph_output_in_order): Don't clear
20502 cgraph_asm_nodes until after asm strings have been output.
20504 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20506 * fix-header.c (read_scan_file): Add new parameter imultilib when
20507 calling register_include_chains.
20509 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20511 * omp-low.c: Update documentation.
20513 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20514 Daniel Berlin <dberlin@dberlin.org>
20518 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20519 return from the function.
20521 2006-01-22 Zack Weinberg <zackw@panix.com>
20523 * rtl.def (match_code): Add second argument.
20524 * genpreds.c (write_extract_subexp): New function.
20525 (write_match_code): Add path argument. Use write_extract_subexp.
20526 (write_predicate_expr): Pass path to write_match_code.
20527 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20528 not perform a mode test.
20529 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20530 a subexpression does not constrain the top-level code set.
20531 * read-rtl.c (read_rtx_variadic): New function.
20532 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20533 * doc/md.texi: Document new notation.
20534 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20535 (cmpsi_operand): ... here, using new notation.
20537 2006-01-22 Zack Weinberg <zackw@panix.com>
20539 * varray.c: Remove GENERATOR_FILE #ifdefs.
20541 2006-01-22 Zack Weinberg <zackw@panix.com>
20543 * genautomata.c (output_reserved_units_table): Emit nothing if
20544 description->query_units_num is zero. Remove extra blank line.
20545 (output_cpu_unit_reservation_p): Short circuit
20546 if description->query_units_num is zero.
20548 2006-01-22 Zack Weinberg <zackw@panix.com>
20550 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20551 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20552 nor any of the random handful of variables that used to be necessary
20553 when this program was linked with rtlanal.o. Prune set of forward
20554 function declarations.
20555 (struct attr_desc): Remove static_p field.
20556 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20557 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20558 (attr_string): Do not read the character one past the length of
20560 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20561 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20562 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20563 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20564 (make_automaton_attrs): New.
20565 (main): Do not call into genautomata. Call local gen_bypass
20566 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20567 Remove special case for insn_alts.
20568 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20569 varray.h (leftover from previous change). Prune set of forward
20570 function declarations. Remove state_alts fields from all
20571 structures. Remove state_alts_table from struct automaton.
20572 Make everything except main static. Do not maintain num_dfa_decls.
20573 Do not maintain state_alts fields of various structures.
20574 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20575 (add_arc): Remove state_alts argument. All callers updated.
20576 (output_reserved_units_table): Emit #ifdef here...
20577 (output_tables): ...not here. Don't generate state_alts tables.
20578 (expand_automata): Don't generate attributes.
20579 (write_automata): Don't generate state_alts functions.
20580 (main): New function.
20581 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20582 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20583 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20584 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20585 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20586 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20587 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20588 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20590 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20591 * genattrtab.h: Delete file.
20592 * Makefile.in (OBJS-common): Add insn-automata.o.
20593 (insn-automata.o): New rule.
20594 (simple_generated_c): Add insn-automata.c.
20595 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20596 (genprogmd): Add automata.
20597 (build/genattrtab): Needs no extra objects nor libraries.
20598 (build/genautomata): Needs build/vec.o and -lm.
20600 2006-01-22 Zack Weinberg <zackw@panix.com>
20602 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20603 (output_dfa_max_issue_rate, locked_states_num): Delete.
20604 (struct automaton): Add locked_states field.
20605 (output_dead_lock_vect): Save number of locked states in
20606 automaton->locked_states. If it is zero, don't print anything.
20607 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20608 (output_internal_dead_lock_func): Only test the dead_lock_vect
20609 for automata that have locked states.
20610 (output_statistics): Always print the number of locked states for
20611 each automaton. Calculate total number of locked states here.
20612 (write_automata): Don't call output_dfa_max_issue_rate.
20613 * genattrtab.c: Define length_unit_log as a const variable.
20614 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20615 max_insn_queue_index const.
20616 * final.c (length_unit_log): Declare const.
20617 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20619 2006-01-22 Zack Weinberg <zackw@panix.com>
20621 * genautomata.c: Include vec.h, not varray.h.
20622 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20623 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20624 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20625 VEC_* macros operating on appropriately typed vectors, or to
20626 malloced arrays when the size is known in advance. Const-ify
20627 many char* variables and function arguments. No functional changes.
20628 * Makefile.in (build/varray.o): Delete rule.
20629 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20630 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20632 2006-01-22 Zack Weinberg <zackw@panix.com>
20634 * gensupport.c: Define get_insn_name and record_insn_name here.
20635 (read_md_rtx): Call record_insn_name as appropriate.
20636 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20637 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20638 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20640 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20641 (BUILD_VARRAY): Delete.
20642 (genprognormal): Rename genprogmd. Fold in all programs from
20643 genprognoprint; also attrtab.
20644 (build/genattrtab): Just mention genautomata.o and varray.o.
20645 Reorganize a bit, add comments to make the categories clearer.
20647 2006-01-22 Zack Weinberg <zackw@panix.com>
20649 * genconditions.c (condition_table, add_condition): Delete.
20650 (write_conditions): Don't emit n_insn_conditions nor
20651 insn_elision_unavailable. Issue the gcc version #ifdef here,
20652 inside the table, with no #else clause ...
20653 (write_header): ...not here.
20654 (write_writer): New function.
20655 (main): Don't initialize condition_table. Use add_c_test.
20657 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20658 files on the command line.
20659 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20660 Return -1 if there is no entry in the table, don't abort.
20661 (add_c_test, traverse_c_tests): New functions.
20662 * gensupport.h (insn_elision_unavailable, insn_conditions)
20663 (n_insn_conditions): Delete declarations.
20664 (add_c_test, traverse_c_tests): Declare.
20665 * read-rtl.c: Include gensupport.h.
20666 (read_conditions): New function.
20667 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20668 (read_rtx_1): If we get EOF when we were looking for an initial
20669 open paren, return 0. Call read_conditions when appropriate.
20670 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20671 dummy-conditions.o. Eliminate references to insn-conditions.o,
20672 or change them to build/gencondmd.o, as appropriate. Remove
20673 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20674 from $(simple_generated_c). For all files remaining in those
20675 two lists, add insn-conditions.md to the generator command line.
20676 Give insn-constants.h/s-constants their own rules. Add rules
20677 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20678 (build/read-rtl.o): Depend on gensupport.h.
20679 (genprognormal): Include preds.
20680 (genprogearly): Rename genprognoprint; only difference is now that
20681 they don't link with $(BUILD_PRINT).
20682 * dummy-conditions.c: Delete.
20684 2006-01-22 Zack Weinberg <zackw@panix.com>
20686 * genextract.c: Don't include insn-config.h. Do include vec.h.
20687 Declare vectors of int, char, and locstr.
20688 (locstr): New typedef.
20689 (struct extraction): Make all array fields into bare pointers.
20690 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20691 (insn_code_number): Delete.
20692 (accum_extract): New struct.
20693 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20694 (gen_insn): Take insn_code_number as an argument. Use an
20695 accum_extract structure instead of loading data directly into
20696 a struct extraction, and having to know how big it might get.
20697 (walk_rtx): Operate entirely on an accum_extract structure.
20698 (print_path): Avoid unnecessary use of printf.
20699 (print_header): New function, split out of main. Distinguish
20700 more carefully between an unrecognizable insn and an insn that
20701 has the code number of a define_expand.
20702 (main): Pass insn_code_number to gen_insn. Call print_header
20703 only after parsing. Avoid unnecessary use of printf.
20704 * Makefile.in (build/vec.o): New rule.
20705 (build/genextract): Depend on build/vec.o.
20706 (build/genextract.o): Don't depend on insn-config.h.
20708 2006-01-22 Zack Weinberg <zackw@panix.com>
20710 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20711 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20712 practical. Eliminate per-generator-program link rules.
20714 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20716 PR middle-end/24437
20717 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20718 with a call expr to ...
20719 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20721 2006-01-23 Richard Guenther <rguenther@suse.de>
20723 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20724 before make_edge with conditional EDGE_TRUE_VALUE.
20726 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20727 Jan Hubicka <jh@suse.cz>
20728 Richard Guenther <rguenther@suse.de>
20730 PR rtl-optimization/25654
20731 * cfgexpand.c (aggregate_contains_union_type): New function.
20732 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20733 for structure variables that contain a union type.
20735 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20737 * gengtype.c (new_structure): Return the structure.
20738 (create_option): Add an extra "next" argument.
20739 (create_field): New function.
20740 (adjust_field_rtx_def): Use create_option and create_field.
20741 Remove a now-unnecessary call to find_structure.
20742 (adjust_field_tree_def): Likewise.
20743 (note_yacc_type): Remove an unnecessary call to find_structure.
20744 * gengtype.h (new_structure): Return the structure.
20745 (create_option): Add an extra argument.
20746 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20747 (option): Adjust calls to create_option.
20749 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20751 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20753 2006-01-22 Paul Brook <paul@codesourcery.com>
20754 Peter Barada <peter@the-baradas.com>
20756 * config/m68k/m68k.md: Add Coldfire FPU support.
20757 Define FP mode macro and associated attributes.
20758 Use it for float mode patterns.
20759 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20760 (LIBCALL_VALUE): Use m68k_libcall_value.
20761 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20762 (m68k_function_value): Ditto.
20763 (emit_move_sequence): Ditto.
20764 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20765 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20766 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20767 (MULTILIB_EXCEPTIONS): Ditto.
20768 * config/m68k/m68k.opt: Add mcfv4e.
20769 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20770 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20771 (m68k_output_function_prologue): Save ColdFire FPU registers.
20772 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20773 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20774 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20775 ColdFire FPU registers.
20776 (m68k_libcall_value, m68k_function_value): New functions.
20777 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20778 (LIBCALL_VALUE): Use m68k_libcall_value.
20779 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20780 (MASK_COLDFIRE): Add MASK_CFV4E.
20781 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20782 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20783 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20784 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20785 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20786 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20787 * doc/invoke.tex: Document -mcfv4e on m68k.
20789 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20791 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20794 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20797 * c-opts.c (c_common_handle_option): Don't include
20798 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20799 * doc/invoke.texi (C++ Dialect Options): Document that
20800 -Wnon-virtual-dtor is no longer included in -Wall.
20802 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20804 * gcov.c (print_version), gcov-dump.c (print_version),
20805 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20808 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20810 * df-scan.c (problem_SCAN): Added NULL reset function.
20811 (df_scan_reset_blocks): Added code to call reset block function
20812 (df_bb_refs_delete) Fixed comment.
20813 (df_insn_refs_delete): Made tolerant of deleting non existent info
20814 for dataflow problems that need to be reset.
20815 * df-core.c (df_set_blocks): Ditto.
20816 * df.h (struct df_problem): Added reset_fun.
20817 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20818 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20819 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20820 functions to clear out all references to def-use or use-def chains.
20822 2006-01-21 Ben Elliston <bje@au.ibm.com>
20824 * varasm.c (assemble_real): Initialise data array.
20826 2006-01-20 Paul Brook <paul@codesourcery.com>
20828 Merge from csl-arm-branch.
20829 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
20830 * config/arm/arm.md (movdi): Force operands[1] to a register
20831 if we have a non-register source.
20832 (*arm_movdi, *movdf_soft_insn): Require that one of the
20833 operands be a register.
20834 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
20835 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
20837 2006-01-20 DJ Delorie <dj@redhat.com>
20839 * varasm.c (initializer_constant_valid_p): Allow pointers
20840 initialized from integer constants of lesser precision.
20841 (output_constant): Allow non-int-sized pointer modes to be
20842 initialized from integer constants.
20844 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
20847 * cppdefault.h (struct default_include): Add multilib flag.
20848 * cppdefault.c (cpp_include_defaults): Set it.
20849 * c.opt (-imultilib): New option.
20850 * c-opts.c (imultilib): New.
20851 (c_common_handle_option): Handle -imultilib.
20852 (c_common_post_options): Likewise.
20853 * c-incpath.c (add_standard_paths, register_include_chains):
20855 * c-incpath.h (register_include_chains): Add extra parameter.
20856 * gcc.c (do_spec_1): Generate -imultilib option.
20857 (The Specs Language): Update %I description.
20858 (process_command): Update copyright notice.
20859 * doc/cppopts.texi (-imultilib): Document.
20860 * doc/invoke.texi (-imultilib): Include in option summary.
20861 (%I): Update specs documentation.
20863 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20865 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
20867 2006-01-20 Richard Sandiford <richard@codesourcery.com>
20869 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
20872 2006-01-20 Richard Guenther <rguenther@suse.de>
20873 Steven Bosscher <stevenb.gcc@gmail.com>
20875 PR rtl-optimization/24626
20876 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
20877 EDGE_TRUE_VALUE if in RTL mode.
20880 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
20881 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
20883 2006-01-20 Dirk Mueller <dmueller@suse.com>
20886 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
20887 instead of a special NOP marker.
20888 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
20889 NOP marker handling.
20890 * c-common.h (empty_body_warning): Add forward declaration.
20891 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
20892 Now uses IS_EMPTY_STMT() instead of special NOP markers.
20894 2006-01-20 Paul Brook <paul@codesourcery.com>
20896 * Makefile.in (lang_checks): Keep going if mkdir fails.
20898 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20900 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
20901 be able to clean out basic block when not necessary.
20902 (df_scan_free): Fixed to properly delete information if df is
20903 unused before calling df_finish.
20904 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
20905 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
20907 (df_bb_refs_delete): New function.
20908 (df_refs_delete): Moved per block code to df_bb_refs_delete.
20909 * df-core.c (df_set_blocks): Added code to properly clean out
20910 unused blocks if they are not part of the blocks to consider.
20911 Added additional null check.
20912 (df_compact_blocks): Added basic block parameter to free_bb_fun to
20913 be able to clean out basic block when not necessary
20914 * df.h (df_free_bb_function): Ditto.
20915 (df_bb_refs_delete): New function.
20916 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
20917 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
20918 basic block parameter to be able to clean out basic block when not
20920 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
20921 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
20922 Fixed to properly delete information if df is unused before
20925 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
20927 PR rtl-optimization/25799
20928 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
20929 Corrected confluence operator to remove bits from op2 before oring
20930 with op1 rather than removing bits from op1.
20931 (df_ru_transfer_function): Corrected test on wrong bitmap which
20932 caused infinite loop. Both of these problems were introduced in
20933 the dataflow rewrite.
20935 2006-01-19 DJ Delorie <dj@redhat.com>
20937 * reload1.c (find_reload_regs): Note the details of reload
20938 failures in the dump file.
20939 (spill_failure): Likewise.
20941 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
20943 * loop-iv.c: Include df.h and hashtab.h.
20944 (enum iv_grd_result): New enum.
20945 (DF_REF_IV, DF_REF_IV_SET): New macros.
20946 (struct biv_entry): New.
20947 (df, bivs): New global variables.
20948 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
20949 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
20951 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
20952 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
20953 analyzed_for_bivness_p, record_biv): New functions.
20954 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
20955 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
20956 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
20958 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
20960 (iv_number_of_iterations): Use new interface to iv analysis.
20961 * loop-unroll.c: Do not include varray.h.
20962 (analyze_iv_to_split_insn): Use new interface to iv
20964 * loop-unswitch.c (may_unswitch_on): Ditto.
20965 * df.c (df_bitmaps_free): Only work for bbs for that structures are
20967 (df_bb_modify): Realloc tables to the new index.
20968 (df_find_use): New function.
20969 * df.h (df_find_use): Declare.
20970 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
20972 * cfgloop.h (struct rtx_iv): Remove analysed field.
20973 (iv_get_reaching_def): Removed.
20974 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
20975 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
20976 (loop-iv.o): Add df.h and hashtab.h dependency.
20977 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
20979 2006-01-20 Alan Modra <amodra@bigpond.net.au>
20982 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
20984 (__floatundisf, __floatundidf): Likewise.
20985 * libgcc2.h (IS_IBM_EXTENDED): Define.
20987 2006-01-19 DJ Delorie <dj@redhat.com>
20989 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
20991 2006-01-19 Paul Brook <paul@codesourcery.com>
20993 * config/arm/arm.c (arm_compute_func_type): Treat all functions
20994 as nothrow when unwinding tables are disabled.
20996 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20999 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21000 of bit-field" when in system header.
21002 2006-01-19 DJ Delorie <dj@redhat.com>
21004 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21005 the 16 bit shift limit of the m16c.
21007 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21010 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21011 * config/i386/i386.c (output_set_got): Output the label if we have one
21012 for the TARGET_DEEP_BRANCH_PREDICTION case.
21014 2006-01-19 Jan Hubicka <jh@suse.cz>
21015 H.J. Lu <hongjiu.lu@intel.com>
21016 Evandro Menezes <evandro.menezes@amd.com>
21018 * invoke.texi (generic): Document
21020 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21021 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21022 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21023 (x86_use_incdec, x86_pad_returns): New variables
21024 (TARGET_CPU_DEFAULT_generic): New constant
21025 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21026 (enum processor_type): Add generic32 and generic64.
21027 * i386.md (cpu attribute): Add generic32/generic64
21028 (movhi splitter): Behave sanely when both partial_reg_dependency and
21029 partial_reg_stall are set.
21030 (K8 splitters): Enable for generic as well.
21031 * predicates.md (incdec_operand): Use TARGET_INCDEC
21032 (aligned_operand): Avoid memory mismatch stalls.
21033 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21034 * ppro.md: Enable for generic32
21035 * i386.c (generic64_cost, generic32_cost): New.
21036 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21037 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21038 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21039 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21040 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21041 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21042 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21043 x86_accumulate_outgoing_args, x86_prologue_using_move,
21044 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21045 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21046 Enable for generic.
21047 (x86_use_incdec, x86_pad_returns): New.
21048 (override_options): Add generic32 and generic64, translate "generic"
21049 to generic32/generic64 and "i686" to "generic32", refuse
21050 "generic32"/"generic64" as arch target.
21051 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21052 (ix86_reorg): Honor PAD_RETURNS.
21054 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21056 * tree-pretty-print.c (dump_generic_node): Handle
21057 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21058 * cgraph.c (cgraph_expand_queue): Rename from
21059 cgraph_analyze_queue. Update all users.
21060 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21061 cgraph_expand_queue.
21062 (cgraph_expand_all_functions): Likewise.
21063 (cgraph_finalize_pending_functions): Remove. Update callers.
21065 * tree.h (OMP_DIRECTIVE_P): Define.
21066 (OMP_PARALLEL_FN): Define.
21067 (OMP_PARALLEL_DATA_ARG): Define.
21068 (OMP_SECTIONS_SECTIONS): Define.
21069 * tree-pass.h (pass_expand_omp): Declare.
21070 * omp-low.c (struct omp_region): Declare.
21071 (struct omp_context): Remove fields 'parallel_type',
21072 'parallel_start_ix' and 'parallel_start_additional_args'.
21074 (struct omp_for_data): Rename from struct expand_omp_for_data.
21075 (omp_regions): New static variable.
21076 (root_omp_region): New static variable.
21077 (find_omp_clause): Make static.
21078 (is_in_combined_parallel_ctx): Remove.
21079 (is_combined_parallel): New.
21080 (extract_omp_for_data): Move earlier in the file.
21081 (workshare_safe_to_combine_p): New.
21082 (get_ws_args_for): New.
21083 (determine_parallel_type): Move earlier in the file.
21084 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21086 (omp_copy_decl): Likewise.
21087 (create_omp_child_function): Likewise.
21088 (lookup_omp_region): New.
21089 (dump_omp_region): New.
21090 (debug_omp_region): New.
21091 (debug_all_omp_regions): New.
21092 (new_omp_region): New.
21093 (scan_omp_parallel): If parallel_nesting_level > 1, the
21094 directive is nested within another parallel directive.
21095 Set OMP_PARALLEL_FN.
21096 (scan_omp_for): Do not try to handle combined parallel+for
21098 Remove FIXME comment.
21099 (scan_omp_nested): Remove.
21100 (scan_omp_1): Do not call scan_omp_nested when
21101 parallel_nesting_level is > 1.
21102 Do not change the DECL_CONTEXT of local variables found.
21103 (lookup_decl_in_outer_ctx): New.
21104 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21105 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21106 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21107 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21108 If CTX is nested, lookup VAR in the outer context when
21109 building copy assignment.
21110 (lower_send_clauses): Rename from expand_send_clauses.
21111 If CTX is nested, lookup VAR in the outer context when
21112 building copy assignments.
21113 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21114 If CTX is nested, lookup VAR in the outer context when
21115 building copy assignments.
21116 (expand_parallel_call): Rename from build_parallel_call.
21117 Handle combined parallel+workshare cases.
21118 Re-implement to emit code into the CFG.
21120 (expand_omp_parallel): Re-implement to emit code into the CFG.
21121 Call move_sese_region_to_fn to outline the sub-graph
21122 containing the parallel region.
21123 (expand_omp_for_1): Remove.
21124 (expand_omp_for_generic): Re-implement to emit code into the
21126 (expand_omp_for_static_nochunk): Likewise.
21127 (expand_omp_for_static_chunk): Likewise.
21128 (expand_omp_for): Likewise.
21129 (expand_omp_sections): Likewise.
21130 (remove_exit_barriers): New.
21131 (expand_omp_synch): New.
21133 (build_omp_regions_1): New.
21134 (build_omp_regions): New.
21135 (execute_expand_omp): New.
21136 (gate_expand_omp): New.
21137 (pass_expand_omp): Define.
21138 (lower_omp_sections): Rename from expand_omp_sections.
21139 Set OMP_SECTIONS_SECTIONS.
21140 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21141 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21142 (lower_omp_single): Rename from expand_omp_simple.
21143 (lower_omp_master): Rename from expand_omp_master.
21144 (lower_omp_ordered): Rename from expand_omp_ordered.
21145 (lower_omp_critical): Rename from expand_omp_critical.
21146 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21147 (lower_omp_for): Re-implement.
21148 (lower_omp_parallel): Re-implement.
21149 (lower_regimplify): Rename from expand_regimplify.
21150 (lower_omp_1): Rename from expand_omp_1.
21151 If there are syntax errors in the program, replace every
21152 OpenMP directive with NOP.
21153 Call lower_omp_* instead of expand_omp_*.
21154 (lower_omp): Rename from expand_omp.
21156 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21157 * tree-gimple.h (enum omp_parallel_type): Remove.
21158 (gimple_boolify): Declare extern.
21159 (find_omp_clause, determine_parallel_type): Remove.
21161 * gimple-low.c (lower_omp_directive): New.
21162 (lower_stmt): Call it.
21163 (record_vars_into): Move from ...
21164 (record_vars): ... here.
21165 Call record_vars_into with current_function_decl.
21167 * gimplify.c (struct gimplify_ctx): Remove fields
21168 combined_pre_p and combined_ctxp. Update users.
21169 (get_formal_tmp_var): Add documentation.
21170 (gimple_boolify): Make extern.
21171 (gimplify_expr_in_ctx): Remove. Update callers.
21172 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21173 will always be a BIND_EXPR.
21174 (gimplify_expr): Handle OMP_RETURN_EXPR.
21175 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21176 (OMP_PARALLEL): Add 3 operands.
21177 (OMP_SECTIONS): Add 1 operand.
21178 (OMP_RETURN_EXPR): Define.
21180 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21181 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21182 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21183 creating a circular free list.
21184 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21186 * tree-flow.h (move_sese_region_to_fn): Declare.
21187 (record_vars_into): Declare.
21188 * tree-cfg.c (make_omp_sections_edges): New.
21189 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21190 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21191 OMP_SECTIONS and OMP_SECTION.
21192 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21193 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21194 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21195 (gather_blocks_in_sese_region): New.
21196 (struct move_stmt_d): Declare.
21197 (move_stmt_r): New.
21198 (move_block_to_fn): New.
21199 (move_sese_region_to_fn): New.
21201 * passes.c (init_optimization_passes): Schedule
21202 pass_expand_omp after pass_init_datastructures.
21204 * tree-ssa-operands.c (get_expr_operands): Handle
21205 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21206 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21208 2006-01-19 Jeff Law <law@redhat.com>
21210 * tree-vrp.c (extract_range_from_assert): Refine the result range
21211 if the variable referenced by the ASSERT_EXPR has a range and
21212 either the tentative result range or the previous range is a
21215 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21217 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21219 2006-01-19 Jan Hubicka <jh@suse.cz>
21221 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21223 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21225 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21226 (expand_compound_operation, expand_field_assignment): Fail if the
21227 bit lengths of an extract operation are out of range.
21228 (make_extraction): Compute wanted_inner_mode based on the position
21229 and length of the extraction. Make it extraction_mode for non-constant
21230 positions, and do not modify offset in that case. When generating a
21231 new MEM, use a mode that can hold the extraction while keeping correct
21232 alignment. Remove code that supported MEMs wrapped by USEs.
21233 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21235 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21237 * config/s390/s390.md ("Y", "y"): New mode attribute.
21238 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21239 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21240 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21241 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21242 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21243 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21244 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21245 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21246 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21247 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21248 "addsi3", "subsi3"): Insn patterns removed.
21249 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21250 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21251 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21252 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21253 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21254 "*sub<mode>3_cconly2"): New insn patterns.
21255 ("addsi3", "subsi3"): New expanders.
21257 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21259 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21260 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21261 existing STMT_VINFO_VECTYPE if available.
21262 (vect_mark_relevant): Add special handling for stmts that are
21263 marked as STMT_VINFO_IN_PATTERN_P.
21264 (vect_analyze_loop): Call vect_pattern_recog.
21265 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21266 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21268 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21269 (vect_recog_func_ptr): New function-pointer type.
21270 * tree-vect-patterns.c: New file.
21271 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21272 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21273 (vect_pattern_recog_1): New functions.
21274 (vect_pattern_recog_funcs): New array of function pointers.
21276 * tree-vectorizer.h (ternary_op): New enum value.
21277 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21278 declaration. Revised documentation. Removed redundant dump prints.
21279 Removed redundant argument. Added support for reduction patterns.
21280 (vectorizable_reduction): Added support for reduction patterns.
21281 (vect_transform_stmt): Added support for patterns.
21283 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21284 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21285 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21286 (expand_widen_pattern_expr): New function.
21287 (init_optabs): Initialize new optabs udot_prod_optab,
21289 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21290 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21291 (expand_widen_pattern_expr): New function declaration.
21292 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21294 * tree-inline.c (estimate_num_insns_1): Added cases for new
21295 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21296 * tree-pretty-print.c (dump_generic_node): Likewise.
21297 (op_prio): Likewise.
21298 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21299 * tree-ssa-operands.c (get_expr_operands): Added case for
21301 * tree-vect-patterns.c (widened_name_p): New function.
21302 (vect_recog_dot_prod_pattern): Added function implementation.
21303 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21304 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21305 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21306 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21308 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21309 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21310 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21311 (init_optabs): Initialize new optabs widen_ssum_optab,
21313 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21314 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21315 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21316 use instead of type of def.
21317 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21318 function implementation.
21319 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21320 widen_ssumv8hi): New.
21322 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21325 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21328 * c-decl.c (add_flexible_array_elts_to_size): New function.
21329 (finish_decl): Use it.
21331 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21333 * diagnostic.h: Include options.h.
21334 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21335 dependancies for diagnostic.h.
21336 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21338 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21340 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21341 (ssa_ro_call_cache_valid): Ditto.
21342 * tree-ssa-alias.c (sort_tags_by_id): New function.
21343 (init_transitive_clobber_worklist): Ditto.
21344 (add_to_worklist): Ditto.
21345 (mark_aliases_call_clobbered): Ditto.
21346 (compute_tag_properties): Ditto.
21347 (set_initial_properties): Ditto.
21348 (compute_call_clobbered): Ditto.
21349 (compute_may_aliases): Call compute_call_clobbered and grouping.
21350 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21351 (compute_flow_insensitive_aliasing): Grouping now happens in our
21353 (setup_pointers_and_addressables): Remove clobbering related code.
21354 (add_may_alias): Ditto.
21355 (replace_may_alias): Ditto.
21356 (get_nmt_for): Ditto.
21357 (create_global_var):
21358 (is_escape_site): Return an escape_type enumeration.
21359 * tree-flow-inline.h (is_call_clobbered): Global var does not
21360 imply call clobbered.
21361 (mark_call_clobbered): Take a reason for marking this. Remove
21362 marking of globalness, and cache invalidation.
21363 (clear_call_clobbered): Remove cache invalidation code.
21364 * tree-dfa.c (dump_variable): If details is on, dump the reason
21366 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21368 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21369 (struct var_ann_d): Ditto.
21370 (enum escape_type): New.
21371 (mark_call_clobbered): Adjust prototype.
21372 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21373 are never call clobbered.
21374 Record reasons for escaping.
21375 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21376 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21377 (ssa_ro_call_cache_valid): Ditto.
21378 (clobbered_v_may_defs): Ditto.
21379 (clobbered_vuses): Ditto.
21380 (ro_call_vuses): Ditto.
21381 (clobber_stats): New.
21382 (init_ssa_operands): Zero out clobber stats.
21383 (fini_ssa_operands): Print out clobber stats.
21384 (get_call_expr_operands): Pass callee fndecl to
21385 add_call_read_ops).
21386 (add_call_clobber_ops): Remove use of cache.
21387 Add use of PURE_CONST information.
21388 (add_call_read_ops): Remove use of cache.
21389 Add use of static not_read information.
21391 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21393 Introduce TLS descriptors for i386 and x86_64.
21394 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21395 (TARGET_ANY_GNU_TLS): New macro.
21396 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21397 (struct machine_function): Add tls_descriptor_call_expanded_p.
21398 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21399 (ix86_current_function_calls_tls_descriptor): Likewise.
21400 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21401 (override_options): Introduce gnu2 tls dialect.
21402 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21404 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21406 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21407 (ix86_init_machine_status): Initialize new field.
21408 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21409 (ix86_tls_module_base): New.
21410 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21411 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21412 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21413 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21414 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21415 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21416 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21417 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21418 * config/i386/predicates.md (tls_modbase_operand): New.
21419 (tp_or_register_operand): New.
21421 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21423 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21424 (look_for_address_of): Ditto.
21425 (ipa_init): Walk the function decls.
21426 (static_execute): Don't set readonly on FUNCTION_DECL's.
21428 2006-01-18 Roger Sayle <roger@eyesopen.com>
21430 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21431 for shifts where the source and destination registers are different.
21433 2006-01-18 Paul Brook <paul@codesourcery.com>
21435 Merge from csl-arm-branch.
21436 2005-03-14 Julian Brown <julian@codesourcery.com>
21437 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21438 (aeabi_llsl): Likewise.
21439 (ashrdi3): Likewise.
21440 (aeabi_lasr): Likewise.
21441 (lshrdi3): Likewise.
21442 (aeabi_llsr): Likewise.
21443 2005-03-10 Julian Brown <julian@codesourcery.com>
21444 * config.gcc: Disable shared libgcc for SymbianOS.
21445 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21447 2006-01-18 DJ Delorie <dj@redhat.com>
21449 * c-pragma.c (handle_pragma_diagnostic): New.
21450 (init_pragma): Register it.
21451 * doc/extend.texi: Document it.
21453 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21454 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21455 (diagnostic_context): Add classify_diagnostic[].
21456 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21457 as errors if they're overridden to DK_WARNING.
21458 (diagnostic_initialize): Initialize classify_diagnostic[].
21459 (diagnostic_set_kind_override): New.
21460 (diagnostic_report_diagnostic): Check for kind changes.
21461 * opts.c (common_handle_option): Take lang_mask. Update callers.
21462 Handle OPT_Werror_.
21463 * common.opt (Werror=): New.
21464 * doc/invoke.texi: Document -Werror=*
21466 2006-01-18 Jeff Law <law@redhat.com>
21468 * tree-vrp.c (test_for_singularity): Correct test for new
21469 min limit. Use operand_equal_p rather than pointer equality
21470 for testing if new min/max values are equal.
21472 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21473 using range information until after propagation and folding.
21475 2006-01-18 Richard Henderson <rth@redhat.com>
21476 Aldy Hernandez <aldyh@redhat.com>
21477 Jakub Jelinek <jakub@redhat.com>
21478 Diego Novillo <dnovillo@redhat.com>
21480 * omp-low.c: New file.
21481 * c-omp.c: New file.
21483 2006-01-18 Richard Henderson <rth@redhat.com>
21484 Jakub Jelinek <jakub@redhat.com>
21485 Diego Novillo <dnovillo@redhat.com>
21487 * doc/invoke.texi: Document -fopenmp.
21488 * tree-dump.h (debug_function): Declare.
21489 * hooks.c (hook_bool_tree_bool_false): New function.
21490 (hook_tree_tree_null): Remove.
21491 (hook_tree_tree_tree_null): New.
21492 * hooks.h: Update to match.
21493 * tree-pretty-print.c (debug_tree_chain): New.
21494 (print_generic_expr): Handle TDF_CHAIN.
21495 (dump_generic_node): Handle BLOCK.
21496 Do not abort with incomplete SWITCH_EXPRs.
21497 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21498 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21499 print space after directive name.
21500 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21501 Handle OMP_MASTER and OMP_ORDERED.
21502 Handle printing of OMP_BODY just in one place, goto
21503 dump_omp_body in the rest of OMP_* nodes that have
21505 Don't handle clause nodes here. Update omp statements to
21506 use dump_omp_clauses.
21507 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21508 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21509 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21510 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21511 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21512 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21513 Adjust output for GOMP_PARALLEL.
21514 (dump_omp_clauses): New.
21515 (print_declaration): Dump DECL_VALUE_EXPR.
21516 (op_symbol_1): Split out of op_symbol.
21517 (dumping_stmts): Remove. Update all users.
21518 * cgraph.c (cgraph_analyze_queue): New.
21519 (cgraph_add_new_function): New.
21520 * cgraph.h (cgraph_analyze_queue): Declare.
21521 (cgraph_add_new_function): Declare.
21522 (cgraph_lower_function): Remove.
21523 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21524 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21525 and TYPE_P nodes in its default clause.
21526 (empty_body_p): New.
21527 (tree_range_check_failed): New.
21528 (build5_stat): New.
21529 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21530 OMP_CLAUSE_REDUCTION_MERGE,
21531 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21532 OMP_CLAUSE_PRIVATE_DEBUG,
21533 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21534 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21535 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21536 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21537 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21538 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21539 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21540 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21541 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21542 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21543 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21544 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21545 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21546 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21547 (TREE_RANGE_CHECK): New.
21548 (empty_body_p): Declare.
21549 (enum omp_clause_default_kind): New.
21550 (build_string_literal): Declare.
21551 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21552 (build5_stat, build5): Declare.
21553 * tree-pass.h (TDF_CHAIN): Define.
21554 * tree-pass.h (PROP_gimple_lomp): Define.
21555 (pass_lower_omp): Declare.
21556 * diagnostic.h (debug_tree_chain): Declare.
21557 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21559 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21560 * builtins.c (build_string_literal): Make extern.
21561 * gcc.c (include_spec_function): New.
21562 (static_spec_functions): Add it.
21563 (main): Move load of libgomp.spec ...
21564 (LINK_COMMAND_SPEC): ... here.
21565 (link_gomp_spec): New.
21566 (static_specs): Include it.
21567 (LINK_COMMAND_SPEC): Add link_gomp.
21568 (GOMP_SELF_SPECS): New.
21569 (driver_self_specs): Include it.
21570 (switch_matches): Don't mark inline.
21571 (main): Load libgomp.spec.
21572 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21573 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21574 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21575 * tree-gimple.h (enum omp_parallel): Declare.
21576 (determine_parallel_type): Declare.
21577 (omp_firstprivatize_variable): Declare.
21578 (omp_reduction_init): Declare.
21579 (diagnose_omp_structured_block_errors): Declare.
21580 (struct walk_stmt_info): Add want_return_expr.
21581 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21582 (find_omp_clause): Declare.
21583 (insert_field_into_struct): Declare.
21584 (struct walk_stmt_info): Move from tree-nested.c
21585 (walk_stmts): Declare.
21586 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21588 * cgraphunit.c (cgraph_lower_function): Make static.
21589 (cgraph_finalize_pending_functions): New.
21590 (cgraph_finalize_function): Call it.
21591 (cgraph_finalize_compilation_unit): Likewise.
21592 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21593 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21594 (BT_FN_UINT_UINT): New.
21595 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21596 DEF_FUNCTION_TYPE_VAR_4): Document.
21597 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21598 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21599 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21600 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21601 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21602 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21603 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21604 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21605 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21606 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21607 into separate files.
21608 (DEF_GOMP_BUILTIN): New.
21609 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21610 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21611 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21612 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21613 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21614 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21615 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21616 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21617 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21618 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21619 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21620 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21621 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21622 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21623 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21624 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21625 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21626 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21627 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21628 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21629 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21630 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21631 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21632 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21633 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21634 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21635 * sync-builtins.def: New file, moved from builtins.def.
21636 * omp-builtins.def: New file, moved from builtins.def.
21637 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21638 * gimple-low.c (lower_function_body): Clear data.
21639 (lower_stmt): Do not handle COMPOUND_EXPR.
21640 Remove call to print_node_brief.
21641 * c-tree.h (c_finish_omp_clauses): New prototype.
21642 (C_DECL_THREADPRIVATE_P): Define.
21643 (lookup_name_no_remap, c_omp_remap_private): Remove
21644 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21645 (check_for_loop_decls): Update decl.
21646 (lookup_name_no_remap, c_omp_remap_private): Declare.
21647 (build_indirect_ref, build_modify_expr, pushdecl,
21648 pushdecl_top_level): Move to c-common.h.
21649 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21650 before the switch, but just in the 2 places that need it.
21651 * c-decl.c (diagnose_mismatched_decls): Do not check for
21652 mismatched thread-local attributes when OLDDECL is marked
21653 threadprivate and NEWDECL has no thread-local attributes.
21654 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21655 (c_gimple_diagnostics_recursively): Rename from
21656 c_warn_unused_result_recursively. Invoke
21657 diagnose_omp_structured_block_errors.
21658 (check_for_loop_decls): Return a singular decl found.
21659 * langhooks.c (lhd_omp_predetermined_sharing): Return
21660 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21661 (lhd_omp_firstprivatize_type_sizes): New.
21662 (lhd_omp_assignment): New.
21663 (lhd_omp_predetermined_sharing): New.
21664 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21665 (struct lang_hooks_for_types): Add
21666 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21667 omp_predetermined_sharing, omp_disregard_value_expr,
21668 omp_private_debug_clause, omp_clause_default_ctor,
21669 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21670 (c_finish_omp_clauses): New.
21671 (c_finish_bc_stmt): Diagnose break within omp for.
21672 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21673 (build_unary_op): Return error_mark after reporting
21675 (build_modify_expr): Likewise.
21676 * gimplify.c: Include optabs.h and pointer-set.h.
21677 (enum gimplify_omp_var_data): Declare.
21678 (struct gimplify_omp_ctx): Declare.
21679 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21681 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21682 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21683 (splay_tree_compare_decl_uid): New.
21684 (new_omp_context): New.
21685 (delete_omp_context): New.
21686 (gimple_add_tmp_var): Call omp_add_variable.
21687 (gimplify_bind_expr): Likewise.
21688 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21689 true, disregard DECL_VALUE_EXPR on the decl if any.
21690 (gimplify_expr_in_ctx): New.
21691 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21692 omp_add_variable, omp_notice_variable, omp_is_private
21693 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21694 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21695 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21696 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21697 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21698 gimplify_omp_atomic): New.
21699 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21700 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21701 OMP_CRITICAL and OMP_ATOMIC.
21702 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21703 * c-pragma.h (enum pragma_kind): Add
21704 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21705 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21706 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21707 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21708 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21709 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21710 PRAGMA_OMP_THREADPRIVATE.
21711 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21712 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21713 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21714 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21715 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21716 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21717 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21718 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21719 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21720 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21721 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21722 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21723 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21725 (struct nesting_info): Add field_map,
21726 suppress_expansion, debug_var_chain.
21727 (create_nesting_tree): Initialize them.
21728 (lookup_field_for_decl): Use field_map.
21729 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21730 (convert_local_omp_clauses): New.
21731 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21732 (walk_body): Split out of walk_function.
21733 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21734 (convert_nonlocal_reference): Handle omp statements.
21735 (convert_local_reference): Likewise.
21736 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21737 (unnest_nesting_tree): New.
21738 (lower_nested_functions): Call it.
21739 (insert_field_into_struct): Make extern.
21740 (struct walk_stmt_info): Move to tree-gimple.h.
21741 (walk_stmts): Make extern.
21742 * omp-builtins.def: New file.
21743 * tree-iterator.c (expr_only): Clarify comment.
21744 * c-common.h (pushdecl_top_level, pushdecl,
21745 build_modify_expr, build_indirect_ref,
21746 c_finish_omp_master, c_finish_omp_critical,
21747 c_finish_omp_ordered, c_finish_omp_barrier,
21748 c_finish_omp_atomic, c_finish_omp_flush,
21749 c_finish_omp_for, c_split_parallel_clauses,
21750 omp_clause_default_kind, c_omp_sharing_predetermined,
21751 c_omp_remap_decl): Declare.
21752 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21753 (OBJS-common): Add omp-low.o.
21754 (c-omp.o, omp-low.o): Add.
21755 (gimplify.o): Add dependency on $(OPTABS_H).
21756 (GTFILES): Add omp-low.c.
21757 (gt-stringpool.h): Add.
21758 * tree-cfg.c (set_bb_for_stmt): Do not update the
21759 block-to-labels map if we are currently expanding to RTL.
21760 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21762 Handle IDENTIFIER_NODE.
21763 (tree_verify_flow_info): Do not ICE when emitting error
21764 messages about invalid labels.
21765 (dump_function_to_file): Reset CFUN before emitting the body
21767 (debug_function): New.
21768 * passes.c (init_optimization_passes): Schedule
21770 * langhooks-def.h (lhd_omp_predetermined_sharing,
21771 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21773 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21774 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21775 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21776 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21777 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21778 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21779 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21780 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21781 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21782 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21783 (LANG_HOOK_DECLS): Use them.
21785 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21786 Richard Henderson <rth@redhat.com>
21787 Jakub Jelinek <jakub@redhat.com>
21788 Diego Novillo <dnovillo@redhat.com>
21790 * c-parser.c (pragma_omp_clause): Define.
21791 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21792 (c_parser_compound_statement): Likewise.
21793 (c_parser_statement): Likewise.
21794 (c_parser_pragma): Handle omp pragmas.
21795 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21796 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21797 (c_parser_omp_clause_name, check_no_duplicate_clause,
21798 c_parser_omp_variable_list,
21799 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21800 c_parser_omp_clause_copyprivate,
21801 c_parser_omp_clause_default,
21802 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21803 c_parser_omp_clause_lastprivate,
21804 c_parser_omp_clause_nowait,
21805 c_parser_omp_clause_num_threads,
21806 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21807 c_parser_omp_clause_reduction,
21808 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21809 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21810 c_parser_omp_atomic, c_parser_omp_barrier,
21811 c_parser_omp_critical, c_parser_omp_flush,
21812 c_parser_omp_for_loop, c_parser_omp_for,
21813 c_parser_omp_master, c_parser_omp_ordered,
21814 c_parser_omp_sections_scope, c_parser_omp_sections,
21815 c_parser_omp_parallel, c_parser_omp_single,
21816 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21817 * c-pragma.c (init_pragma): Do omp pragma registration here.
21818 * c.opt (fopenmp): New flag.
21820 2006-01-18 Eric Christopher <echristo@apple.com>
21822 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
21823 * config/darwin.h (GOMP_SELF_SPECS): Define.
21825 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21827 * rtl.h: Remove the prototype for reg_alloc.
21829 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21832 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
21833 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
21834 sjlj and dwarf2 exception handling.
21835 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
21836 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
21837 * pa/pa.c (function_value): Treat complex and vector types as
21839 (function_arg): Likewise. Only pass scalar floats in the floating
21840 point argument registers.
21841 * pa/t-slibgcc-dwarf-ver: New file.
21842 * pa/t-slibgcc-sjlj-ver: New file.
21843 * pa/t-slibgcc-elf-ver: Delete file.
21845 2006-01-19 Alan Modra <amodra@bigpond.net.au>
21847 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
21848 unlikely_test_section_p test.
21850 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21852 * mode-switching.c (optimize_mode_switching): Make it static.
21853 * basic-block.h: Remove the prototype for
21854 optimize_mode_switching.
21856 * modulo-sched.c (sms_schedule): Make it static.
21857 * rtl.h: Remove the prototype for sms_schedule.
21859 * postreload-gcse.c (gcse_after_reload_main): Make it static.
21860 * rtl.h: Remove the prototype for gcse_after_reload_main.
21862 * reg-stack.c (reg_to_stack): Make it static.
21863 * rtl.h: Remove the prototype for reg_to_stack.
21865 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
21867 * rtl.h: Remove the prototypes for regrename_optimize and
21868 copyprop_hardreg_forward.
21870 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
21872 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
21873 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
21874 Test against the appropriate null constant for the mode.
21875 If 'fixup_overlap' is true, swap the operands if they overlap.
21876 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
21877 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
21878 alpha_split_tmode_pair and adjust for above change.
21879 * config/alpha/alpha.md (movtf_internal): Adjust call to
21880 alpha_split_tfmode_pair and rely on it to swap the operands.
21881 (movti_internal): New insn and post-reload splitter.
21882 (movti): New expander.
21884 2006-01-18 Philippe De Muyter <phdm@macqel.be>
21886 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
21889 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
21891 * rtlanal.c (global_reg_mentioned_p_1,
21892 global_reg_mentioned_p): Remove.
21893 * rtl.h: Remove the prototype for global_reg_mentioned_p.
21895 * flow.c (initialize_uninitialized_subregs): Make it static.
21896 * rtl.h: Remove the prototype for
21897 initialize_uninitialized_subregs.
21899 * function.c (instantiate_virtual_regs): Make it static.
21900 * function.h: Remove the prototype for
21901 instantiate_virtual_regs.
21903 * regmove.c (regmove_optimize, combine_stack_adjustments):
21905 * rtl.h: Remove the prototypes for regmove_optimize and
21906 combine_stack_adjustments.
21908 2006-01-17 Roger Sayle <roger@eyesopen.com>
21910 * config/i386/i386.c (COSTS_N_BYTES): New macro.
21911 (size_cost): Encode costs in bytes so that a reg-reg addition is
21912 equivalent to COSTS_N_INSNS(1).
21913 (override_options): Use the size_cost.branch_cost as the default
21914 ix86_branch_cost when optimizing for size.
21916 2006-01-18 Ben Elliston <bje@au.ibm.com>
21918 * Makefile.in (D32PBIT_FUNCS): New.
21919 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
21920 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
21921 D64PBIT_FUNCS and D128PBIT_FUNCS.
21922 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
21923 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
21925 (decnumber_dep): Define.
21926 * doc/libgcc.texi (Decimal float library routines): New node.
21927 * config/dfp-bit.h, config/dfp-bit.c: New files.
21929 2006-01-18 Ben Elliston <bje@au.ibm.com>
21931 * expr.c (emit_move_change_mode): Always adjust addresses, not
21932 just during reload. Copy replacements only during reload.
21933 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
21934 emit_move_via_integer.
21936 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
21938 * Makefile.in (check-%, check-consistency): Use $${srcdir}
21939 instead of $(srcdir) and ${srcdir}.
21941 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
21944 PR middle-end/11135
21945 * arm.h (struct machine_function): Add pic_reg.
21946 * arm.c (arm_pic_register): Make unsigned.
21947 (arm_override_options): Only set arm_pic_register if
21948 TARGET_SINGLE_PIC_BASE.
21949 (use_return_insn): Only test for a pic register if it is fixed.
21950 (arm_compute_save_reg0_reg12_mask): Likewise.
21951 (thumb_compute_save_reg_mask): Likewise.
21952 (legitimate_pic_operand): Factor out some known invariants.
21953 (legitimize_pic_address): If we don't have a fixed pic register,
21954 then set up a pseudo in the function entry sequence. Handle the
21955 pic base being in a pseudo.
21956 (arm_load_pic_register): Handle the pic register being in a pseudo.
21957 (arm_expand_prologue): Only set up the pic register if it is fixed.
21958 (thumb_expand_prologue): Likewise.
21959 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
21960 (pic_load_addr_based_insn): Likewise.
21961 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
21964 2006-01-18 Ben Elliston <bje@au.ibm.com>
21966 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
21967 decimal float modes for all floating point registers.
21969 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
21970 match_code "mem" with match_test "macho_lo_sum_memory_operand".
21972 2006-01-17 Jakub Jelinek <jakub@redhat.com>
21975 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
21976 even when the pointer is not NULL.
21978 2006-01-16 Ian Lance Taylor <ian@airs.com>
21980 * common.opt (ftoplevel-reorder): New option.
21981 * cgraph.c (cgraph_asm_nodes): New global variable.
21982 (cgraph_asm_last_node): New static variable.
21983 (cgraph_order): New global variable.
21984 (cgraph_create_node): Set new order field.
21985 (cgraph_varpool_node): Likewise.
21986 (decide_is_variable_needed): Return true if not
21987 flag_toplevel_reorder.
21988 (cgraph_add_asm_node): New function.
21989 * cgraph.h (struct cgraph_node): Add order field.
21990 (struct cgraph_varpool_node): Add order field.
21991 (struct cgraph_asm_node): Define.
21992 (cgraph_asm_nodes, cgraph_order): Declare.
21993 (cgraph_add_asm_node): Declare.
21994 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
21996 (cgraph_varpool_assemble_pending_decls): Call it.
21997 (cgraph_output_pending_asms): New static function.
21998 (cgraph_finalize_compilation_unit): Call it.
21999 (struct cgraph_order_sort): Define.
22000 (cgraph_output_in_order): New static function.
22001 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22002 !flag_toplevel_reorder case.
22003 * c-parser.c: Include "cgraph.h".
22004 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22006 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22007 than -fno-unit-at-a-time.
22008 * doc/invoke.texi (Option Summary): Mention
22009 -fno-toplevel-reorder.
22010 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22011 -funit-at-a-time documentation.
22013 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22014 Kazu Hirata <kazu@codesourcery.com>
22016 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22018 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22020 * Makefile.in (FUNCTION_H): New. Use it instead of
22021 function.h throughout the file.
22022 * function.h: Include tree.h.
22024 2006-01-17 Ben Elliston <bje@au.ibm.com>
22026 * recog.c: Separate some functions with whitespace.
22028 2006-01-16 Richard Henderson <rth@redhat.com>
22030 Merge from gomp branch:
22031 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22032 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22033 and rename from struct inline_data. Rename callee* to dst*;
22034 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22035 transform_new_cfg, transform_return_to_modify, and
22036 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22038 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22039 (copy_decl_for_dup): Remove.
22040 * tree-inline.c (struct inline_data): Move to header.
22041 (insert_decl_map): Export.
22042 (remap_decl): Update for member name changes. Use copy_decl hook.
22043 Allow for replacement to be a non-decl. Remove dead code.
22044 (remap_type_1): Check for existing mapping.
22045 (remap_type): Export.
22046 (remap_decls): Update for member name changes.
22047 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22048 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22049 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22050 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22051 (tree_function_versioning, build_duplicate_type): Likewise.
22052 (copy_body_r): Likewise. Export.
22053 (copy_decl_for_dup): Split into ...
22054 (copy_decl_for_dup_finish, copy_decl_to_var,
22055 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22056 (replace_ref_tree, inlining_p): Remove.
22058 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22060 * ifcvt.c (if_convert): Make it static.
22061 * rtl.h: Remove the prototype for if_convert.
22063 * local-alloc.c (local_alloc): Make it static.
22064 * rtl.h: Remove the prototype for local_alloc.
22066 * loop.c (loop_optimize): Make it static.
22067 * cfgloop.h: Remove the prototype for loop_optimize.
22070 2006-01-16 DJ Delorie <dj@redhat.com>
22072 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22075 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22077 * pa.md: Disparage copies between general and floating-point registers
22078 in 32-bit move patterns.
22080 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22083 * Makefile.in (check-%): Depend on site.exp instead of
22084 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22087 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22089 * global.c (global_alloc): Make it static.
22090 * rtl.h: Remove the prototype for global_alloc.
22092 2006-01-16 Richard Guenther <rguenther@suse.de>
22094 * tree-ssa-alias.c (struct used_part): Add write_only field.
22095 (get_or_create_used_part_for): Initialize it to true.
22096 (create_overlap_variables_for): Don't create structure variables
22097 for structures that only are written to.
22098 (find_used_portions): Handle MODIFY_EXPR to track whether a
22099 structure is only written to.
22101 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22103 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22105 * basic-block.h: Remove the prototype for
22106 partition_hot_cold_basic_blocks.
22108 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22110 * cppspec.c (lang_specific_spec_functions): Remove.
22111 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22112 * gcc.h (lang_specific_spec_functions): Remove.
22113 * gccspec.c (lang_specific_spec_functions): Remove.
22115 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22117 * combine.c (record_value_for_reg): Invalidate registers
22119 (record_dead_and_set_regs_1): Likewise, by passing them to
22120 record_value_for_reg.
22121 (record_dead_and_set_regs): Invalidate stores made by a
22122 call. We do not combine across a call, but we still
22123 relied on equivalences.
22125 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22127 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22128 vrp_int_const_binop returning non-constant nodes.
22130 2006-01-16 Paul Brook <paul@codesourcery.com>
22132 * config/m68k/m68k.c (output_move_const_into_data_reg):
22133 Output correct mnemonic for mvz and mvs.
22135 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22137 * rtl-factoring.c: Add sequence abstraction algorithm.
22138 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22139 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22141 (block_has_preserve_label): New function.
22142 * common.opt: Register new pass.
22143 * Makefile.in: Ditto.
22145 * timevar.def: Ditto.
22146 * tree-pass.h: Ditto.
22147 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22148 * rtl.h (make_jump_insn_raw): Add forward decl.
22149 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22151 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22152 Roger Sayle <roger@eyesopen.com>
22154 * fold-const.c (fold_minmax): New static function.
22155 (fold_binary) <MIN_EXPR>: Call it.
22156 <MAX_EXPR>: Likewise.
22157 * stor-layout.c (place_field): Use DECL_SIZE consistently
22158 in the computation of the new record size.
22160 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22162 * cse.c (cse_condition_code_reg): Make it static.
22163 * rtl.h: Remove the prototype for cse_condition_code_reg.
22165 * combine.c (combine_instructions): Make it static.
22166 * rtl.h: Remove the prototype for combine_instructions.
22168 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22171 * tree.c (get_file_function_name_long): Concatenate the first global
22172 object name with a string derived from the input filename of the object
22175 2006-01-16 Ben Elliston <bje@au.ibm.com>
22177 * config/i386/winnt-stubs.c: Update FSF address.
22178 * config/xtensa/ieee754-df.S: Ditto.
22179 * config/xtensa/ieee754-sf.S: Ditto.
22181 2006-01-14 Ian Lance Taylor <ian@airs.com>
22183 * ifcvt.c (noce_init_if_info): New static function, broken out of
22184 noce_process_if_block.
22185 (noce_process_if_block): Call noce_init_if_info.
22186 (check_cond_move_block): New static function.
22187 (cond_move_process_if_block): New static function.
22188 (process_if_block): Call cond_move_process_if_block.
22190 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22192 * cselib.c (hash_table): Rename to cselib_hash_table.
22193 (cselib_clear_table, discard_useless_values,
22194 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22195 cselib_init, cselib_finish): Adjust uses of hash_table.
22197 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22199 PR tree-optimization/25485
22200 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22201 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22202 is known to be false and true, respectively.
22204 2006-01-14 Richard Guenther <rguenther@suse.de>
22206 PR tree-optimization/22548
22207 PR tree-optimization/22555
22208 PR tree-optimization/22501
22209 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22210 * params.def (salias-max-array-elements): New parameter.
22211 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22212 * doc/invoke.texi (salias-max-array-elements): Document.
22213 * tree-flow-inline.h (var_can_have_subvars): We also handle
22215 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22217 * tree-ssa-structalias.c (params.h): Include.
22218 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22219 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22220 (get_constraint_for): For ADDR_EXPR operating on something
22221 containing an ARRAY_REF, add all subvars to the solution.
22222 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22223 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22224 for creating MUST_DEFs.
22225 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22227 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22229 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22231 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22232 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22233 number_of_iterations_le): New functions.
22234 (number_of_iterations_special): Removed.
22235 (number_of_iterations_exit): Do not use number_of_iterations_special.
22236 * tree.c (unsigned_type_for): Always return integer type.
22238 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22239 Richard Guenther <rguenther@suse.de>
22241 PR rtl-optimization/24257
22242 * gcse.c (find_moveable_store): Only consider a store movable
22243 when the SET_SRC of the insn can be assigned to a register.
22245 2006-01-14 Ian Lance Taylor <ian@airs.com>
22247 * tree.c (tree_not_class_check_failed): New function.
22248 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22249 (tree_not_class_check_failed): Declare.
22251 2006-01-13 Ian Lance Taylor <ian@airs.com>
22253 * reload1.c (do_output_reload): Add assertion rejecting a
22256 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22258 * combine.c (struct reg_stat): Add new fields truncation_label and
22260 (record_value_for_reg): Reset truncated_to_mode.
22261 (record_truncated_value): New function.
22262 (check_promoted_subreg): Call it. Rename to check_conversions.
22263 (combine_instructions): Rename check_promoted_subreg to
22265 (reg_truncated_to_mode): New function.
22266 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22267 (gen_lowpart_or_truncate): New function.
22268 (force_to_mode): Use it instead of gen_lowpart.
22270 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22272 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22273 VAR is a tag, not its type tag.
22275 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22277 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22278 alternatives to match style of other entries.
22279 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22281 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22283 PR tree-optimization/25771
22284 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22287 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22290 * tree-inline.c (declare_return_variable): If the return variable
22291 was marked as a non gimple complex, set the return slot variable
22292 to be a non gimple comple variable.
22294 2006-01-13 Richard Guenther <rguenther@suse.de>
22296 * builtins.c (expand_builtin_sincos): New function.
22297 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22299 (expand_builtin): Expand sincos using expand_builtin_sincos.
22301 2006-01-12 DJ Delorie <dj@redhat.com>
22303 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22304 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22305 so that constant shifts can be split.
22306 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22307 (m32c_valid_pointer_mode): Make static.
22308 (shift_gen_func_for): New.
22309 (m32c_prepare_shift): Use it. Split large const shifts into
22311 * config/m32c/predicates.md (shiftcount_operand): Allow more
22313 (longshiftcount_operand): New.
22314 * doc/md.texi (Machine Constraints): Document In6.
22316 2006-01-13 Ben Elliston <bje@au.ibm.com>
22318 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22319 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22322 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22324 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22325 to try to avoid clobbering pieces of structures when we know
22326 something about the whole structure.
22327 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22329 2006-01-13 Ben Elliston <bje@au.ibm.com>
22331 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22332 return in memory, as this is no limitation is no longer present.
22334 2006-01-12 DJ Delorie <dj@redhat.com>
22336 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22337 mova with fb, and for fb+0 -> An.
22339 * config/m32c/mov.md (peephole2): Fix enabling logic.
22341 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22342 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22343 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22344 FINI_ARRAY_SECTION_ASM_OP): Define.
22346 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22348 (m32c_legitimize_reload_address): New logic to reload FB to An.
22349 (m32c_output_reg_push): Add newline.
22350 (m32c_output_reg_pop): Likewise.
22352 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22354 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22356 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22358 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22360 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22362 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22365 2006-01-11 Ben Elliston <bje@au.ibm.com>
22367 * rtlanal.c (find_reg_note): Assert insn is not null.
22369 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22371 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22374 2006-01-11 Jeff Law <law@redhat.com>
22376 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22378 (mark_threaded_blocks, register_jump_thread): New functions.
22379 (thread_through_all_blocks): Remove unwanted argument. No
22380 longer rely on e->aux to communicate thread target info.
22381 Call mark_threaded_blocks. Release the threaded_blocks
22382 bitmap and threaded_edges vector when complete.
22383 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22384 (threaded_blocks): Remove.
22385 (tree_ssa_dominator_optimize): Remove initialization and
22386 finalization of threaded_blocks. Simplify call to
22387 thread_through_all_blocks.
22388 (thread_across_edge): Call register_jump_thread rather than
22389 storing thread information into e->aux.
22390 (free_all_edge_infos): Simplify now that e->aux is no longer
22391 used to communicate with thread_through_all_blocks.
22392 * tree-flow.h (thread_through_all_blocks): Update prototype.
22393 (register_jump_thread): Prototype.
22395 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22397 * df-core.c (df_compact_blocks, df_bb_replace): Use
22398 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22400 2006-01-11 Richard Guenther <rguenther@suse.de>
22402 PR tree-optimization/25734
22403 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22404 stop propagation after successful propagation to the LHS.
22406 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22408 * basic-block.h (control_flow_graph): Change the type of
22409 x_basic_block_info to VEC(basic_block,gc) *.
22410 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22412 (SET_BASIC_BLOCK): New.
22413 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22414 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22415 * cfgbuild.c (find_basic_blocks): Likewise.
22416 * cfglayout.c (fixup_reorder_chain): Likewise.
22417 * cfgrtl.c (create_basic_block_structure,
22418 rtl_create_basic_block): Likewise.
22419 * ifcvt.c (find_if_case_1): Likewise.
22420 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22423 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22425 * Makefile.in: Removed rotted odf.c entry.
22427 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22430 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22431 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22432 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22433 output pattern modifier, not %e.
22434 * config/cris/cris.c (cris_op_str): Update comment about pattern
22436 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22437 before falling through into...
22438 <case 'E'>: Redefined from old 'e' case.
22440 2006-01-11 Jan Hubicka <jh@suse.cz>
22443 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22445 2006-01-11 Jan Hubicka <jh@suse.cz>
22447 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22448 * i386.c (x86_decompose_lea): Kill.
22449 (ix86_rtx_costs): Kill.
22451 2006-01-11 Jan Hubicka <jh@suse.cz>
22453 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22454 * cgraph.h (cgraph_node): Add inline_decl.
22455 (cgraph_insert_node_to_hashtable): Declare.
22456 (save_inline_function_body): Declare.
22457 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22459 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22460 (cgraph_function_versioning): Update call of tree_function_versioning.
22461 (save_inline_function_body): New function.
22462 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22463 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22464 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22465 (cgraph_default_inline_p): Likewise.
22466 (cgraph_decide_inlining_incrementally): Likewise.
22467 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22468 (copy_bb): Kill saving; do updating of clones.
22469 (copy_cfg_body): Kill saving.
22470 (initialize_inlined-parameters): Likewise.
22471 (expand_call_inline): Likewise.
22473 (tree_function_versioning): New parameter "update_clones".
22474 (inlining_p): Kill saving.
22475 * tree-inline.h (tree_function_versioning): Update prototype.
22476 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22479 2006-01-11 Ian Lance Taylor <ian@airs.com>
22481 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22482 Allow undoing set of machine mode.
22483 (do_SUBST): Use enums instead of is_int.
22484 (do_SUBST_MODE): New function.
22485 (SUBST_MODE): New macro.
22486 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22487 reg and trying to replace reg_regno_rtx with a new register.
22488 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22489 (simplify_set): Use SUBST_MODE.
22490 (distribute_notes): Remove code that tried to update reg notes
22491 for regno_reg_rtx changes.
22493 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22495 PR tree-optimization/23109
22496 PR tree-optimization/23948
22497 PR tree-optimization/24123
22499 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22500 * tree-cfg.c (single_noncomplex_succ): New.
22501 * tree-flow.h (single_noncomplex_succ): Declare it.
22502 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22503 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22504 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22505 insert_bb, register_division_in, insert_reciprocals,
22506 replace_reciprocal, free_bb): New.
22507 (execute_cse_reciprocals_1): Rewritten.
22508 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22509 Do not commit any edge insertion. Always compute dominators and
22510 create the allocation pool.
22511 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22512 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22513 * targhooks.c (default_min_divistions_for_recip_mul): New.
22514 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22515 * passes.c (init_optimization_passes): Run recip after tree loop
22517 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22519 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22520 Kenneth Zadeck <zadeck@naturalbridge.com>
22522 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22523 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22524 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22525 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22526 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22527 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22528 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22529 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22530 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22531 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22532 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22533 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22534 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22535 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22536 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22537 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22538 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22539 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22540 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22541 DF_SCAN_POST_ALLOC): New macros.
22542 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22543 df_free_bb_function, df_local_compute_function, df_init_function,
22544 df_dataflow_function, df_confluence_function_0,
22545 df_confluence_function_n, df_transfer_function,
22546 df_finalizer_function, df_free_function, df_dump_problem_function,
22547 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22548 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22549 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22550 df_urec_bb_info, ) New types.
22551 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22553 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22554 df_analyze_simple_change_some_blocks,
22555 df_analyze_simple_change_one_block, df_compact_blocks,
22556 df_bb_replace, df_bb_regno_last_use_find,
22557 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22558 df_insn_regno_def_p, df_find_def, df_find_use,
22559 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22560 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22561 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22562 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22563 debug_df_chain, df_get_dependent_problem, df_chain_create,
22564 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22565 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22566 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22567 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22568 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22569 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22570 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22571 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22572 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22573 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22574 df_reorganize_refs, df_set_state, df_hard_reg_init,
22575 df_read_modify_subreg_p) New public functions.
22576 * df-core.c: The core dataflow solver and glue routines for rtl
22578 (df_init, df_add_problem, df_set_blocks, df_finish,
22579 df_hybrid_search_forward, df_hybrid_search_backward,
22580 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22581 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22582 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22583 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22584 df_reg_defined, df_find_use, df_reg_used, df_dump,
22585 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22586 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22587 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22588 debug_df_useno, reset_df_after_reload): New functions.
22589 * df-scan.c: The scanning fuctions, once in df.c, completely
22590 rewritten so that they now fully model the functionality of
22591 register usage at the backend.
22592 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22593 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22594 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22595 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22596 df_get_artificial_defs, df_get_artificial_uses,
22597 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22598 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22599 df_refs_delete, df_reorganize_refs, df_set_state,
22600 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22601 df_def_record_1, df_defs_record, df_uses_record,
22602 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22603 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22604 df_record_exit_block_uses, df_hard_reg_init): New functions.
22606 * df-problems.c: Seven concrete dataflow problems that use the
22607 scanning in df-scan.c and are solved by the engine in df-core.c.
22608 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22609 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22610 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22611 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22612 df_ru_free_bb_info, df_ru_alloc,
22613 df_ru_bb_local_compute_process_def,
22614 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22615 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22616 df_ru_transfer_function, df_ru_free, df_ru_dump,
22617 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22618 df_rd_free_bb_info, df_rd_alloc,
22619 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22620 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22621 df_rd_transfer_function, df_rd_free, df_rd_dump,
22622 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22623 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22624 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22625 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22626 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22627 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22628 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22629 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22630 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22631 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22632 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22633 df_urec_mark_reg_use_for_earlyclobber,
22634 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22635 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22636 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22637 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22638 df_chain_create_bb_process_use, df_chain_create_bb,
22639 df_chain_finalize, df_chain_free, df_chains_dump,
22640 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22641 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22642 df_reg_lifetime): New functions.
22643 * df.c: Deleted file.
22644 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22645 consistent with new df api.
22646 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22647 rest_of_handle_sms): Ditto.
22648 * web.c (unionfind_union, union_defs, entry_register, web_main):
22650 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22651 invariant_expr_equal_p, find_defs, check_dependencies,
22652 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22653 free_inv_motion_data, move_loop_invariants): Ditto.
22654 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22655 Update dependencies.
22656 (odf.c): Added defective entry that was deleted later in day.
22657 * sched-deps.c (sched_analyze_1): Ditto.
22659 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22661 * tree-ssa-operands.c (get_expr_operands): Record addressable
22662 variables directly. Do not call add_stmt_operands for CONST_DECLs
22664 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22665 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22667 2006-01-11 Ben Elliston <bje@au.ibm.com>
22669 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22670 function returns true in the positive case.
22672 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22675 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22676 for SI, DI, SF and DF modes. Add alternatives to copy between
22677 general and floating point registers to the 32-bit patterns.
22678 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22679 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22680 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22681 generating 64-bit code.
22682 * config/pa/pa.c (output_move_double): Handle copies between general
22683 and floating registers.
22685 2006-01-10 Stuart Hastings <stuart@apple.com>
22687 * config/i386/i386.md (set_got): Update.
22688 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22689 (builtin_setjmp_receiver): Mach-O support.
22690 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22691 (GOT_SYMBOL_NAME): Define.
22692 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22693 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22694 * config/i386/i386.c (override_options): Revise for Darwin.
22695 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22696 support. (darwin_x86_file_end): New. (output_set_got): Add label
22697 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22698 * config/i386/i386-protos.h (output_set_got): Likewise.
22699 * config/darwin.c (machopic_legitimize_pic_address): Update
22702 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22704 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22705 when MODE isn't BLKmode.
22707 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22709 PR rtl-optimization/25367
22710 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22712 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22715 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22716 for a negative bound.
22718 2006-01-10 Richard Guenther <rguenther@suse.de>
22720 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22721 Never override with anything constraint.
22723 2006-01-10 Jan Beulich <jbeulich@novell.com>
22725 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22726 256 bits when optimize_size.
22728 2006-01-10 Jan Beulich <jbeulich@novell.com>
22730 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22732 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22733 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22736 2006-01-10 Ben Elliston <bje@au.ibm.com>
22738 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22740 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22741 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22742 (USE_FP_FOR_ARG): Reject decimal float modes.
22743 (function_arg_advance): Likewise.
22744 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22745 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22746 point types in AltiVec vectors.
22747 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22748 (rs6000_libcall_value): Likewise.
22750 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22752 * config/xtensa/ieee754-df.S: New file.
22753 * config/xtensa/ieee754-sf.S: New file.
22754 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22755 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22756 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22758 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22760 * config/sh/predicates.md (binary_float_operator,
22761 binary_logical_operator, commutative_float_operator,
22762 equality_comparison_operator, greater_comparison_operator,
22763 less_comparison_operator, logical_operator,
22764 noncommutative_float_operator, shift_operator,
22765 symbol_ref_operand, unary_float_operator): Remove redundant
22768 2006-01-09 Jeff Law <law@redhat.com>
22770 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22771 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22772 now unused arguments. Callers updated.
22773 (eliminate_redundant_computations): Remove now unused arguments,
22775 (local_fold): Remove, no longer used.
22776 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22778 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22779 (simplify_cond): New function.
22780 (forward_propagate_into_cond): Call simplify_cond.
22782 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22784 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22785 (*vec_extractv2di_1_sse): New.
22787 2006-01-09 Ben Elliston <bje@au.ibm.com>
22789 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22791 2006-01-08 Richard Guenther <rguenther@suse.de>
22793 * tree-ssa-structalias.c (get_constraint_for): Remove
22794 anyoffset argument.
22795 (get_constraint_for_component_ref): Likewise.
22796 (do_deref): Likewise.
22797 (get_constraint_for): Likewise.
22798 (do_structure_copy): Likewise.
22799 (handle_ptr_arith): Likewise.
22800 (find_func_aliases): Likewise. Remove unused need_anyoffset
22803 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22804 Kaz Kojima <kkojima@gcc.gnu.org>
22806 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22807 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22808 (EXTRA_CONSTRAINT_C16): Remove.
22809 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22810 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22811 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22812 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22813 constants of SHmedia. Handle nested constant expressions of
22815 (andcosts): Fix the costs for SHmedia constants.
22816 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22817 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22818 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22819 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22820 (movv4hi_i, movv2si_i): Likewise.
22821 (movsi_const): Adjust the second operand of ior so to match with
22822 the Csu constraint.
22823 (movdi_const, movdi_const_32bit): Likewise.
22824 (movdi_const_16bit+1): Don't sign-extend LOW.
22825 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
22827 (*double_shori): Fix the split condition. Use GEN_INT instead
22828 of get_int_mode calls. Mask lower 16-bit of the argument of
22830 (sym2GOTPLT): Remove.
22831 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
22833 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
22834 instead of EXTRA_CONSTRAINT_C16.
22836 2006-01-07 Ian Lance Taylor <ian@airs.com>
22837 David Edelsohn <edelsohn@gnu.org>
22839 PR rtl-optimization/25662
22840 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
22841 for constant operands instead of simplify_gen_binary.
22842 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
22843 after trying simplify_binary_operation
22845 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
22847 * tree.c (iterative_hash_expr): Hash decls based on UID.
22849 2006-01-06 Eric Christopher <echristo@apple.com>
22851 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
22852 (TARGET_UNWIND_EMIT): Fix spelling.
22853 * target.h (gcc_target): Add except_table_label.
22854 * except.c (output_function_exception_table): Use.
22855 * varasm.c (default_emit_except_table_label): New.
22856 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
22858 (asm_out): Add here.
22859 * output.h (default_emit_except_table_label): Prototype.
22860 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
22861 * config/darwin.c (darwin_emit_except_table_label): Define.
22862 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
22864 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
22866 PR tree-optimization/18527
22867 * tree-ssa-loop-niter.c (number_of_iterations_cond,
22868 number_of_iterations_special, number_of_iterations_exit):
22869 Move base and step of an iv to a single structure. Add
22870 no_overflow flag, and use it in # of iterations analysis.
22871 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
22872 folded_casts argument.
22873 (simple_iv): Pass base and step in a structure. Set no_overflow
22875 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
22876 Evaluate expensiveness of computing # of iterations instead of
22877 the final expression.
22878 * tree-scalar-evolution.h (affine_iv): New structure.
22879 (simple_iv): Declaration changed.
22880 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
22881 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
22882 find_givs_in_stmt): Changed due to simple_iv change.
22884 2006-01-06 Jeff Law <law@redhat.com>
22887 * tree-cfg.c (bsi_replace): Rename final argument from
22888 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
22889 change (stmt -> orig_stmt).
22890 * tree-eh.c (verify_eh_throw_stmt_node): New function.
22891 (bsi_remove): Add new argument. Remove EH information
22893 (verify_eh_throw_table_statements): New function.
22894 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
22896 * tree-optimize.c (execute_free_cfg_annotations): Verify
22897 the EH throw statement table after removing annotations.
22898 * except.h (verify_eh_throw_table_statements): Prototype.
22899 * tree-flow.h (bsi_remove): Update prototype.
22900 * tree-vrp.c (remove_range_assertions): Add new argument to
22902 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
22903 * tree-complex.c (expand_complex_div_wide): Likewise.
22904 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
22905 * tree-tailcall.c (eliminate_tailcall): Likewise.
22906 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
22907 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
22908 * tree-nrv.c (tree_nrv): Likewise.
22909 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
22910 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
22911 (combine_blocks): Likewise.
22912 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
22913 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
22914 (cleanup_control_flow): Likewise.
22915 (remove_forwarder_block): Likewise.
22916 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
22917 * tree-sra.c (sra_replace): Likewise.
22918 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
22919 (forward_propagate_single_use_vars): Likewise.
22920 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
22921 * tree-inline.c (expand_call_inline): Likewise.
22922 * tree-vect-transform.c (vect_transform_loop): Likewise.
22923 * tree-outof-ssa.c (rewrite_trees): Likewise.
22924 * tree-cfg.c (make_goto_expr_edges): Likewise.
22925 (cleanup_dead_labels): Likewise.
22926 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
22927 (bsi_move_before, bsi_move_after): Likewise.
22928 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
22929 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
22931 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
22934 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
22936 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
22937 on non gimple variables. Also add checks at the top for decls and
22939 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
22941 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
22942 and IMAGPART_EXPR for creating MUST_DEFs.
22943 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
22944 and NAME_MEMORY_TAG separately from the DECLs.
22946 2006-01-06 Richard Guenther <rguenther@suse.de>
22948 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
22949 annotation, if necessary.
22950 * tree-ssa-pre.c (create_expression_by_pieces): Remove
22951 redundant calls to update_stmt.
22952 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
22955 2006-01-05 Richard Henderson <rth@redhat.com>
22957 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
22959 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22961 * c-typeck.c: Update copyright date.
22963 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
22965 * c-typeck.c (build_c_cast): Always warn when casting
22966 from a pointer to an integer of different size, even if
22967 the node was constant.
22969 2006-01-05 Richard Guenther <rguenther@suse.de>
22971 PR tree-optimization/22555
22972 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
22973 if one structure field is an array.
22974 * tree-ssa-operands.c (get_expr_operands): Continue scanning
22975 operands even if we found a subvar, but ignore VOPs in this
22977 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
22979 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
22981 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
22983 PR middle-end/24998
22984 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
22986 2006-01-05 Richard Guenther <rguenther@suse.de>
22987 Diego Novillo <dnovillo@redhat.com>
22989 * tree-pass.h (TODO_remove_unused_locals): Define.
22990 * gimple-low.c (expand_var_p, remove_useless_vars,
22991 pass_remove_useless_vars): Remove. Update all users.
22992 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
22993 (remove_unused_locals): New function.
22994 * tree-flow.h (remove_unused_locals): Declare.
22995 * passes.c (execute_todo): Call remove_unused_locals if
22996 TODO_remove_unused_locals is set.
22997 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
22998 * tree-ssa-dce.c (pass_dce): Likewise.
22999 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23001 2006-01-05 Richard Guenther <rguenther@suse.de>
23003 * tree-flow.h (struct fieldoff): Decompose field to
23004 type, size and decl.
23005 * tree-ssa-alias.c (create_sft): Take type as parameter.
23006 (create_overlap_variables_for): Store type, size and decl
23007 in the fieldoff structure.
23008 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23009 of struct fieldoff.
23010 (push_fields_onto_fieldstack): Likewise.
23011 (create_variable_info_for): Likewise. Use offset for the
23012 SFT name if the decl is not available.
23014 2006-01-04 Paul Brook <paul@codesourcery.com>
23016 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23018 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23020 * lambda-code.c (can_put_in_inner_loop): Relax
23022 (can_put_after_inner_loop): New function.
23023 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23024 (perfect_nestify): Change to make copies and modify uses.
23026 2006-01-04 Richard Henderson <rth@redhat.com>
23028 Merge from gomp branch:
23029 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23030 via integer constant.
23031 (pragma_lex): Remove.
23032 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23033 rather than parsing it.
23034 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23035 handle_pragma_extern_prefix): Add %< %> quotes.
23036 (registered_pragmas): New.
23037 (c_register_pragma_1): New.
23038 (c_register_pragma): Use it.
23039 (c_register_pragma_with_expansion): Likewise.
23040 (c_invoke_pragma_handler): New.
23041 (init_pragma): Use cpp_register_deferred_pragma directly for
23043 * c-pragma.h (enum pragma_kind): New.
23044 (pragma_handler): New.
23045 (c_invoke_pragma_handler): Declare.
23046 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23048 * c-common.h (c_common_pch_pragma): Update decl.
23049 * Makefile.in (c-parser.o): Update dependencies.
23050 (GTFILES): Add c-pragma.h.
23051 * c-parser.c (struct c_token): Add pragma_kind.
23052 (struct c_parser): Add in_pragma.
23053 (c_lex_one_token): Always initialize keyword and pragma_kind.
23054 Extract data for CPP_PRAGMA.
23055 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23056 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23057 Don't allow CPP_PRAGMA_EOL if in_pragma.
23058 (c_parser_consume_pragma): New.
23059 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23060 (c_parser_skip_to_end_of_parameter): Likewise.
23061 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23062 (c_parser_skip_to_pragma_eol): New.
23063 (c_parser_external_declaration): Handle CPP_PRAGMA.
23064 (c_parser_compound_statement_nostart): Likewise.
23065 (c_parser_statement_after_labels): Likewise.
23066 (c_parser_pragma): New.
23067 (pragma_lex): Likewise.
23068 (c_parser_pragma_pch_preprocess): New.
23069 (c_parser_new): Merge into ...
23070 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23072 2006-01-04 Jeff Law <law@redhat.com>
23075 * tree-cfg.c (bsi_replace): Remove the original statement
23076 from the EH throw statement table.
23078 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23080 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23081 make the prototype extern "C" and add throw ().
23084 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23085 and pos non-negative and pos + len <= 32.
23086 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23087 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23088 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23091 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23092 as well as sizes not multiple of component size.
23095 * function.c (instantiate_expr): New function.
23096 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23097 walk its DECL_VALUE_EXPR with instantiate_expr.
23099 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23100 DW_OP_deref{,_size} if address isn't going to be added.
23102 2006-01-04 Ben Elliston <bje@au.ibm.com>
23104 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23105 * config/fp-bit.c: Likewise.
23107 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23109 * dominance.c: Add comment about why we use DFS numbering
23112 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23113 Richard Henderson <rth@redhat.com>
23115 Merge from gomp-branch:
23116 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23117 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23119 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23121 PR rtl-optimization/25578
23122 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23123 pass a parameter to simplify_shift_const if changing ASHIFTRT
23126 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23128 * builtins.c (get_builtin_sync_mem): New function.
23129 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23130 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23131 Call get_builtin_sync_mem to generate mem rtx.
23133 2006-01-03 Richard Guenther <rguenther@suse.de>
23136 * stmt.c (add_case_node): Make sure to clear overflow flags
23139 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23141 Merge from gomp-branch.
23142 * config/sparc/sync.md: New file.
23143 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23144 UNSPECV_LDSTUB): New constants.
23145 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23146 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23147 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23150 2006-01-03 Roger Sayle <roger@eyesopen.com>
23152 * combine.c (reg_subword_p): New predicate to test whether the
23153 destination of a set refers to a subword/piece of a register.
23154 (try_combine): Generalize the code to merge the setting of a
23155 pseudo to a constant followed by a set of a subword of that
23156 register to a constant.
23158 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23160 * basic-block.h (control_flow_graph): Change the type of
23161 x_label_to_block_map to VEC(basic_block,gc) *.
23162 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23163 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23165 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23166 VEC(basic_block,heap) *.
23167 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23168 ssa_prop_fini): Adjust the uses of cfg_blocks.
23170 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23172 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23174 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23175 hashing trees instead of a pointer hash.
23176 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23177 compare for MEM_EXPR.
23179 PR rtl-optimization/25130
23180 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23181 when comparing MEMs for GCSE
23183 2006-01-03 Ben Elliston <bje@au.ibm.com>
23185 * targhooks.h (default_decimal_float_supported_p): Declare.
23186 * targhooks.c (default_decimal_float_supported_p): Define.
23187 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23188 `default_decimal_float_supported_p'.
23189 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23191 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23193 * combine.c (apply_distributive_law <SUBREG>): Check
23194 TRULY_NOOP_TRUNCATION.
23196 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23198 * dwarf2out.c (have_switched_text_section): Delete.
23199 (have_multiple_function_sections): New.
23200 (have_location_lists): Make 'bool'.
23201 (add_AT_loc_list): Use 'true' not '1'.
23202 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23203 (output_loc_list): Use have_multiple_function_sections.
23204 (output_ranges): Likewise.
23205 (dwarf2out_begin_function): Set have_multiple_function_sections if
23207 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23208 Check function_section rather than DECL_SECTION_NAME.
23209 (dwarf2out_finish): Use have_multiple_function_sections.
23210 Don't clear have_location_lists.
23212 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23213 Jan Hubicka <jh@suse.cz>
23215 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23216 case of conditional jump jumping to the next instruction.
23217 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23218 cases of conditional jump jumping to the next instruction.
23220 2006-01-02 Jan Hubicka <jh@suse.cz>
23222 * i386.c (*_cost): Add COSTS_N_INSNS.
23223 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23225 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23228 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23230 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23232 * config/arm/arm.c (all_fpus): Fix comment typo.
23233 * config/darwin.c: Likewise.
23234 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23235 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23236 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23238 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23240 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23241 (rs6000_split_compare_and_swapqhi): New.
23242 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23243 (sync_compare_and_swapqhi_internal): New.
23244 * config/rs6000/rs6000-protos.h: Declare.